阅读说明：本技术 一种包装瓶铝箔封口机及封口方法 (Packaging bottle aluminum foil sealing machine and sealing method ) 是由 姜德伟 刘周斌 黄转丰 杨玄 郑盛学 董蒋伟 于 2020-12-29 设计创作，主要内容包括：一种包装瓶铝箔封口机及封口方法,其包括机座、前段传送带、夹持传送装置、后段传送带、电磁感应加热模块、支架、废料收集机构和对中调节装置,包装瓶依次通过前段传送带、夹持传送装置和后段传送带,并在通过所述夹持传送装置处时包装瓶口处的铝箔被所述电磁感应加热模块热封在瓶口上,夹持传送装置包括相互平行设置且运行速度不同的第一夹持传送带和第二夹持传送带,包装瓶被置于其间匀速自转而向前传送,对中调节机构使两夹持面间的距离可调,支架和机座均高度可调。本发明通过在瓶子两侧提供夹持力,防止瓶身窜动、晃动或倾倒,提高了整线的生产速度和封口成功率,自转前行的瓶身和瓶口使铝箔受热更加均匀,进一步提高了封口成功率。(A packaging bottle aluminum foil sealing machine and a sealing method comprise a machine base, a front section conveying belt, a clamping conveying device, a rear section conveying belt, an electromagnetic induction heating module, a support, a waste collecting mechanism and a centering adjusting device, wherein packaging bottles sequentially pass through the front section conveying belt, the clamping conveying device and the rear section conveying belt, aluminum foils at bottle openings of the packaging bottles are thermally sealed on the bottle openings by the electromagnetic induction heating module when the packaging bottles pass through the clamping conveying device, the clamping conveying device comprises a first clamping conveying belt and a second clamping conveying belt which are arranged in parallel and have different running speeds, the packaging bottles are placed between the first clamping conveying belt and the second clamping conveying belt, the packaging bottles rotate at a constant speed and are conveyed forwards, the centering adjusting mechanism enables the distance between two clamping surfaces to be. The invention prevents the bottle body from moving, shaking or toppling over by providing clamping force on the two sides of the bottle, improves the production speed of the whole line and the success rate of sealing, and ensures that the aluminum foil is heated more uniformly by the bottle body and the bottle mouth which rotate to move forward, thereby further improving the success rate of sealing.)

1. A packaging bottle aluminum foil sealing machine is used for aluminum foil sealing of cylindrical packaging bottles and is characterized by comprising a machine base, a front section conveying belt, a clamping conveying device, a rear section conveying belt, an electromagnetic induction heating module, a support and a waste material collecting mechanism, wherein the front section conveying belt, the clamping conveying device and the rear section conveying belt are arranged on the machine base and are sequentially connected, the electromagnetic induction heating module is arranged on the support and is positioned above the clamping conveying device, the packaging bottles sequentially pass through the front section conveying belt, the clamping conveying device and the rear section conveying belt, and aluminum foils at packaging bottle openings are thermally sealed on bottle openings by the electromagnetic induction heating module when passing through the clamping conveying device; the clamping and conveying device comprises a first clamping conveying belt and a second clamping conveying belt which are arranged in parallel, the first clamping conveying belt and the second clamping conveying belt have different conveying speeds, and the packaging bottles are placed between the first clamping conveying belt and the second clamping conveying belt to rotate at a constant speed and convey forwards; the waste collecting mechanism is arranged right below the clamping and conveying device and used for collecting rejected unqualified products.

2. The packaging bottle aluminum foil sealing machine as claimed in claim 1, wherein the first clamping conveyor belt comprises a first top plate, a first bottom plate, a middle clamping block, a first synchronous belt, a motor, a belt pulley, a belt, a driving wheel and a driven wheel, the middle clamping block is arranged between the first top plate and the first bottom plate, a part for clamping packaging bottles protrudes out of the first top plate and the first bottom plate, the driving wheel and the driven wheel are respectively arranged at two ends of the middle clamping block, the first synchronous belt is arranged on the driving wheel and the driven wheel and surrounds the side edge of the middle clamping block, so that the first synchronous belt also protrudes out of the first top plate and the first bottom plate, and the motor is connected with the driving wheel through the belt pulley and the belt to drive the driving wheel to rotate;

the motor is arranged at the bottom of the first base plate, the belt wheels comprise a first belt wheel, a second belt wheel and a third belt wheel, the first belt wheel is connected with an output shaft of the motor, the third belt wheel is connected with a wheel shaft of the driving wheel, the output shaft of the motor is perpendicular to the wheel shaft of the driving wheel, the second belt wheel is fixed on the first base plate and is a double-row belt wheel, a rotating shaft of the second belt wheel is perpendicular to the wheel shaft of the driving wheel, and the belt sequentially bypasses the first belt wheel, the second belt wheel and the third belt wheel to transmit the power of the motor to the driving wheel.

3. The packaging bottle aluminum foil sealing machine as claimed in claim 1, wherein the second clamping conveyor belt is of a static structure and comprises a second top plate, a second bottom plate, a baffle, an air cylinder and a compression spring, the second top plate and the second bottom plate are fixed together in an up-down mode, a U-shaped groove extending along the length direction is formed in the joint of the second top plate and the second bottom plate, a rotating shaft mounting hole, an air cylinder mounting groove and a spring mounting groove are further formed in the joint of the second top plate and the second bottom plate, the rotating shaft mounting hole is located at the position close to the end of the second top plate and the second bottom plate, a rotating shaft is arranged on the baffle, the baffle is mounted in the U-shaped groove through the rotating shaft and the rotating shaft mounting hole, and the clamping surface of the baffle protrudes out of the side surfaces of the second top; the spring mounting groove is positioned at one end close to the rotating shaft mounting hole, the cylinder mounting groove is positioned at the other end far away from the rotating shaft mounting hole, the compression spring is mounted in the spring mounting groove, one end of the compression spring is in contact with the inner wall of the spring mounting groove, and the other end of the compression spring is in contact with the back surface of the baffle; the cylinder is installed in the cylinder mounting groove, and it with the back of baffle is connected, and the cylinder orders about the baffle and withdraws when needing to reject the material.

4. The packaging bottle aluminum foil sealing machine as claimed in claim 1, wherein the base is further provided with a centering adjusting device, the centering adjusting device is used for adjusting the mounting position of the clamping and conveying device, so as to adjust the center line position of the clamped packaging bottles to adapt to packaging bottles with different diameters, and the centering adjusting device comprises two distance adjusting mechanisms which are identical in structure and symmetrically arranged; the distance adjusting mechanism comprises a guide rod, a screw rod, a short fixing plate, a long fixing plate, a single-row chain wheel, a double-row chain wheel, a first chain, a left-handed nut, a right-handed nut, a distance scale display and a first hand wheel, the short fixing plate and the long fixing plate are respectively provided with two blocks, the two long fixing plates are fixed on the machine base, the screw rod is rotatably connected on the two long fixed plates, the guide rod is fixed between the two long fixed plates and is parallel to the screw rod, the two short fixed plates are respectively and movably arranged on the screw rod through the left-handed nut and the right-handed nut, the two short fixed plates are simultaneously and respectively arranged on the guide rod through the sliding sleeve in a sliding way, the first clamping conveyor belt and the second clamping conveyor belt are respectively and fixedly connected with the two short fixing plates, the distance between the first clamping conveyor belt and the second clamping conveyor belt is adjusted by adjusting the distance between the two short fixing plates; first hand wheel is installed the one end of lead screw, apart from the scale display set up in on a long fixed plate that is close to first hand wheel on the lead screw, single sprocket is installed the lead screw is kept away from the other end of first hand wheel, double sprocket passes through first chain with single sprocket links to each other, two apart from adjustment mechanism through second chain interconnect.

5. The packaging bottle aluminum foil sealing machine as claimed in any one of claims 1 to 4, wherein the waste collecting mechanism is arranged below the clamping and conveying device and comprises a base plate, a waste collecting hopper and a drawer, a material receiving port is formed in the middle of the base plate, the waste collecting hopper is arranged below the base plate and right faces the material receiving port, an opening is formed in the bottom end of the side face of the waste collecting hopper, and the drawer can be dragged to be arranged in the waste collecting hopper through the opening.

6. The aluminum foil sealing machine for the packaging bottles as claimed in any one of claims 1 to 4, wherein the bracket is of a height-adjustable structure and comprises a bottom fixing seat, a second hand wheel, an end cover sleeve, a transmission screw rod, a cover tube, a transmission nut, an adjusting block, a supporting plate and a hanging plate, the bottom fixing seat is fixed on the base, the cover tube is vertically fixed on the bottom fixing seat, one end of the transmission screw rod is inserted into the cover tube, the other end of the transmission screw rod is rotatably connected with the cover tube through the end cover sleeve, the end of the transmission screw rod exposed out of one end of the cover tube is connected with the second hand wheel, and the transmission nut is screwed on the transmission screw rod in the cover tube; the side surface of the cover pipe is provided with an axial limiting groove, the adjusting block is sleeved outside the cover pipe and can slide up and down along the cover pipe, and the adjusting block is fixedly connected with the transmission nut from the limiting groove, so that the adjusting block moves up and down outside the cover pipe along the direction of the limiting groove along with the transmission nut; the supporting plate is fixedly connected with the adjusting block from the side face, the hanging plate is vertically installed on the supporting plate, and the electromagnetic induction heating module is fixedly connected with the hanging plate so as to adjust the height of the electromagnetic induction heating module.

7. The packaging bottle aluminum foil sealing machine as claimed in claim 6, wherein the transmission nut includes a nut and a guide block, the nut is screwed with the transmission screw rod, the guide block is fixedly arranged on the outer side surface of the nut, the shape of the guide block is matched with that of the limit groove, so that the guide block can move up and down in the limit groove, and the adjusting block is fixedly connected with the guide block, so that the adjusting block can move up and down along the limit groove.

8. The packaging bottle aluminum foil sealing machine as claimed in any one of claims 1 to 4, wherein the base is of a height-adjustable structure, and comprises a frame base and a height adjusting system arranged on the frame base, wherein the frame base is provided with a fixing plate in a horizontal direction, and the height adjusting system comprises a main transmission mechanism and an adjusting actuator; the main transmission mechanism comprises a third hand wheel, a driving gear shaft, a driving gear, a driven gear shaft, a main synchronizing wheel, a first slave synchronizing wheel, a second slave synchronizing wheel, a tension wheel and a second synchronous belt, the third hand wheel, the driving gear shaft, the driving gear, the driven gear shaft and the main synchronizing wheel are sequentially connected, the main synchronizing wheel, the first slave synchronizing wheel, the second slave synchronizing wheel and the tension wheel are sequentially connected through the second synchronous belt, and the rotation of the third hand wheel is converted into the synchronous rotation of the main synchronizing wheel, the first slave synchronizing wheel and the second slave synchronizing wheel; the adjusting and executing mechanism comprises a first adjusting screw rod, a first adjusting nut, a first adjusting base, a second adjusting screw rod, a second adjusting nut and a second adjusting base, the first adjusting screw rod is connected with the first driven synchronizing wheel, the first adjusting nut is in threaded connection with the first adjusting screw rod, the first adjusting base is fixedly connected with the first adjusting nut, one end of the first adjusting rod is fixed on the first adjusting base, and the other end of the first adjusting rod penetrates through a fixing plate on the frame base through a sliding sleeve and is connected with a supporting plate of the sealing machine; the second adjusting screw rod is connected with the second driven synchronizing wheel, the second adjusting nut is in threaded connection with the second adjusting screw rod, the second adjusting base is fixedly connected with the second adjusting nut, one end of the second adjusting rod is fixed on the second adjusting base, and the other end of the second adjusting rod penetrates through a sliding sleeve to penetrate through a fixing plate on the frame base and be connected with a supporting plate of the sealing machine.

9. The packaging bottle aluminum foil sealing machine as claimed in claim 8, wherein the frame base is provided with supporting legs and universal wheels; the first adjusting rod and the second adjusting rod are both provided with limiting sleeves; the driving gear and the driven gear are bevel gears which are matched with each other; and the third hand wheel, the driving gear shaft, the driven gear shaft, the first adjusting screw rod and the second adjusting screw rod are respectively connected with the fixing plate on the frame base through sliding sleeves.

10. The packaging bottle aluminum foil sealing method which applies the packaging bottle aluminum foil sealing machine according to any one of claims 1 to 9 is characterized by comprising the following steps:

s1, after a packaging bottle with an aluminum foil placed between a bottle mouth and a bottle cap enters a front section conveyor belt, the packaging bottle reaches a position between a first clamping conveyor belt and a second clamping conveyor belt of a clamping conveyor device, and due to the fact that the speeds of the first clamping conveyor belt and the second clamping conveyor belt are different, the packaging bottle automatically rotates forwards at a constant speed under the combined action of the first clamping conveyor belt and the second clamping conveyor belt on the clamping conveyor device;

s2, when the packaging bottle reaches the lower part of the electromagnetic induction heating module, the electromagnetic induction coil is electrified to generate an electromagnetic field, the aluminum foil on the bottle mouth in the electromagnetic field instantly heats, the hot melt adhesive on the aluminum foil or the plastic contacting with the bottle mouth part is melted, the hot melt adhesive or the plastic is fully melted due to the rotation of the bottle mouth, and after the packaging bottle leaves the electromagnetic field, the aluminum foil and the bottle mouth of the packaging bottle are bonded together;

when production is unusual, adjust the distance between first centre gripping conveyer belt and the second centre gripping conveyer belt and make the packing bottle of centre gripping drop the production line, prevent to seal bad bottle and get into next process.

Technical Field

The invention relates to the technical field of packaging, in particular to a packaging bottle aluminum foil sealing machine and a sealing method.

Background

The sealing process of the packaging bottle (such as a plastic bottle, a glass bottle and the like) is that an aluminum foil is arranged between a bottle opening and a bottle cap, the aluminum foil is tightly pressed at the bottle opening through the screwed bottle cap, the bottle is erected on a conveying belt capable of horizontally conveying, and an electromagnetic induction heating module is arranged above the conveying belt; be provided with the induction coil board on the electromagnetic induction heating module, can produce the electromagnetic field after this coil board circular telegram, the aluminium foil through this electromagnetic field can be in spontaneous production of heat in the twinkling of an eye, aluminium foil passes through the hot melt adhesive of heat conduction principle with self heat transfer for bottleneck portion or its self adhesion, make the partial plastics or the hot melt adhesive of bottleneck portion melt, treat that the aluminium foil of bottleneck leaves behind the induction coil board of electromagnetic induction heating module, molten plastics or hot melt adhesive will cool off, the cooling back aluminium foil bonds with the plastics bottleneck and is in the same place, thereby reach the sealed effect of bottleneck. At present, the production process for sealing the plastic bottle is that a packaging bottle is driven by a conveyor belt which runs linearly to sequentially pass through the lower part of a heating plate of an electromagnetic induction module at a certain speed, after the plastic bottle enters, passes and leaves the lower part of the heating plate, molten plastic is rapidly cooled, and a bottle opening is bonded with an aluminum foil piece to achieve a sealing completion state.

However, the conveying belt which runs linearly has the specific defects of large vibration, single transmission direction, difficulty in reversing and the like, so that the bottle body is easily affected by vibration in the process of running along with the conveying belt, the bottle body shakes and moves, the relative distance between the bottle mouth and the heating plate is unstable, the bottle mouth is heated unevenly, and the sealing and bonding effects are poor; simultaneously, because the body quality of plastic bottle is little, when the conveyer belt is with higher speed, the body can be emptyd backward because the inertia of self and air resistance's influence to make fortune bottle speed limited, further the promotion of sealing speed has also received the restriction.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a packaging bottle aluminum foil sealing mechanical device with self-restraint bottle body freedom degree and bottle body supporting function, uniform heating, high sealing success rate and high bottle conveying speed and a novel aluminum foil sealing production process method.

The invention is realized by the following technical scheme:

a packaging bottle aluminum foil sealing machine is used for aluminum foil sealing of cylindrical packaging bottles (including plastic bottles or glass bottles), aluminum foils are placed between bottle caps and bottle mouths of the packaging bottles in advance, the packaging bottle aluminum foil sealing machine comprises a machine base, a front section conveying belt, a clamping conveying device, a rear section conveying belt, an electromagnetic induction heating module, a support and a waste collecting mechanism, the front section conveying belt, the clamping conveying device and the rear section conveying belt are arranged on the machine base and are connected in sequence, the electromagnetic induction heating module is arranged on the support and located above the clamping conveying device, the packaging bottles sequentially pass through the front section conveying belt, the clamping conveying device and the rear section conveying belt, and the aluminum foils at the bottle mouth of the packaging bottles are thermally sealed on the bottle mouths through the electromagnetic induction heating module when the packaging bottles pass through; the clamping and conveying device comprises a first clamping conveying belt and a second clamping conveying belt which are arranged in parallel, the first clamping conveying belt and the second clamping conveying belt have different conveying speeds, package bottles are enabled to rotate due to the fact that the two conveying belts run at different speeds, and the package bottles are placed between the first clamping conveying belt and the second clamping conveying belt to rotate at a constant speed and are conveyed forwards; the waste collecting mechanism is arranged right below the clamping and conveying device and used for collecting rejected unqualified products. Anterior segment conveyer belt and back end conveyer belt can be general straight conveyer belt, and the packing bottle transmits through the frictional force between the bottle end and the conveyer belt, and the department changes into through the body centre gripping and conveying when reacing centre gripping conveyer, can not rock or empty, and the rotation can improve the homogeneity that the aluminium foil was heated simultaneously, makes the aluminium foil paste firmly.

The preferable scheme of the first clamping conveying belt is that the first clamping conveying belt comprises a first top plate, a first bottom plate, a middle clamping block, a first synchronous belt, a motor, a belt wheel, a belt, a driving wheel and a driven wheel, wherein the middle clamping block is arranged between the first top plate and the first bottom plate and used for clamping a packaging bottle partially protruding out of the first top plate and the first bottom plate, the driving wheel and the driven wheel are respectively arranged at two ends of the middle clamping block, the first synchronous belt is arranged on the driving wheel and the driven wheel and surrounds the side edge of the middle clamping block, so that the first synchronous belt also protrudes out of the first top plate and the first bottom plate, the motor is connected with the driving wheel through the belt wheel and the belt to drive the driving wheel to rotate, and the driving wheel rotates to drive the first synchronous belt and the driven wheel to operate. The first clamping conveyor belt can also be of similar structures with the same other principles, particularly the transmission form between the motor and the driving wheel is various, and the first clamping conveyor belt can be used in the invention.

Aiming at the transmission between a motor and a driving wheel in a first clamping conveying belt, the improved scheme is that the motor is arranged at the bottom of a first base plate, the belt wheels comprise a first belt wheel, a second belt wheel and a third belt wheel, the first belt wheel is connected with an output shaft of the motor, the third belt wheel is connected with a wheel shaft of the driving wheel, the output shaft of the motor is perpendicular to the wheel shaft of the driving wheel, the second belt wheel is fixed on the first base plate and is a double-row belt wheel, a rotating shaft of the second belt wheel is perpendicular to the wheel shaft of the driving wheel, and the belt sequentially bypasses the first belt wheel, the second belt wheel and the third belt wheel to transmit the power of the motor to the driving wheel. Therefore, the direction of power output of the motor is changed, and the installation of equipment is facilitated.

The second clamping conveyor belt has a different conveying speed from the first clamping conveyor belt, and may have a similar structure to the first clamping conveyor belt but at a different speed. As a development of the invention, the second holding conveyor may be a stationary structure, i.e. the speed of the second holding conveyor is zero, and it is structurally without a conveyor, only a holding structure. As one of the structures, the second clamping conveyor belt comprises a second top plate, a second bottom plate, a baffle, an air cylinder and a compression spring, the second top plate and the second bottom plate are fixed together up and down, a U-shaped groove extending along the length direction is formed at the joint of the second top plate and the second bottom plate, a rotating shaft mounting hole, an air cylinder mounting groove and a spring mounting groove are further formed at the joint of the second top plate and the second bottom plate, the rotating shaft mounting hole is located at the end close to the second top plate and the second bottom plate, a rotating shaft is arranged on the baffle, the baffle is mounted in the U-shaped groove through the rotating shaft and the rotating shaft mounting hole, and the clamping surface of the baffle protrudes out of the side surfaces of the second top plate and the second bottom; the spring mounting groove is positioned at one end close to the rotating shaft mounting hole, the cylinder mounting groove is positioned at the other end far away from the rotating shaft mounting hole, the compression spring is mounted in the spring mounting groove, one end of the compression spring is in contact with the inner wall of the spring mounting groove, and the other end of the compression spring is in contact with the back surface of the baffle; the cylinder is installed in the cylinder mounting groove, and it with the back of baffle is connected, and the cylinder orders about the baffle and withdraws when needing to reject the material. The spring takes the rotating shaft as a fulcrum to form a lever, so that the two ends of the baffle can move within a certain range, the distance between the baffle and the synchronous belt is finely adjusted, and the clamping force of the packaging bottle can be adjusted. In the scheme, the first synchronous belt and the baffle are two clamping surfaces of the packaging bottle. The cylinder withstands baffle centre gripping packing bottle during normal work, and when the packing bottle of centre gripping need be rejected to the work anomaly, the cylinder drive baffle is retreated and is made the distance between baffle and the hold-in range enlarge, and the packing bottle falls into the waste material of below promptly and rejects the mechanism.

In order to conveniently adjust the distance between two clamping surfaces in the clamping and conveying device to adapt to packaging bottles with different diameters, the improved scheme is that the base is further provided with a centering adjusting device, the centering adjusting device is used for adjusting the installation position of the clamping and conveying device so as to adjust the center line position of the clamped packaging bottles to adapt to packaging bottles with different diameters, the centering adjusting device comprises two distance adjusting mechanisms with the same structure, and the two distance adjusting mechanisms are symmetrically positioned at the feeding end and the discharging end of the clamping and conveying device; the distance adjusting mechanism comprises a guide rod, a screw rod, two short fixing plates, two long fixing plates, a single-row chain wheel, two double-row chain wheels, a first chain, a left-handed nut, a right-handed nut, a distance scale display and a first hand wheel, wherein the short fixing plates and the long fixing plates are respectively provided with two blocks, the two long fixing plates are fixed on the machine base, the screw rod is rotatably connected onto the two long fixing plates, the screw rod is divided into two sections, one section is a left-handed transmission thread, the other section is a right-handed transmission thread, the left-handed nut is screwed onto the left-handed transmission thread, the right-handed nut is screwed onto the right-handed transmission thread, and the two short fixing plates are respectively and fixedly connected with the left-handed nut and the right-; the guide rod is fixed between the two long fixed plates and is parallel to the screw rod, the two short fixed plates are simultaneously sleeved on the guide rod through sliding sleeves respectively, the first clamping conveyor belt and the second clamping conveyor belt are fixedly connected with the two short fixed plates respectively, and the distance between the first clamping conveyor belt and the second clamping conveyor belt is adjusted by adjusting the distance between the two short fixed plates; the first hand wheel is installed the one end of lead screw, fix on a long fixed plate near first hand wheel apart from the scale display, can show the displacement of adjusting apart from the scale display, calculate the distance between two clamping surfaces of department to convenient accurate regulation, single sprocket is installed the lead screw is kept away from the other end of first hand wheel, double sprocket passes through first chain with single sprocket links to each other, two distance adjustment mechanism pass through second chain connection double sprocket on it separately and interconnect.

The working principle of the centering adjusting device is as follows: rotating any first hand wheel left-handed or right-handed to drive the corresponding screw rod to rotate left or right, and driving the short fixing plate connected with the screw rod to move by the screw rod through a left-handed nut or a right-handed nut; the rotation of the screw rod simultaneously drives the single-row chain wheel to rotate, the single-row chain wheel drives the double-row chain wheel to rotate through the first chain, the double-row chain wheel drives the double-row chain wheel in the other distance adjusting mechanism to rotate through the second chain, and the single-row chain wheel, the screw rod and the short fixing plate are driven to rotate by the same principle; two short fixing plates on the same side in the two distance adjusting mechanisms move simultaneously so as to drive the first clamping conveying belt or the second clamping conveying belt connected with the two distance adjusting mechanisms to move, and thus the distance between the first clamping conveying belt and the second clamping conveying belt is adjusted; the left rotation or the right rotation of the first hand wheel respectively correspond to the movement of the short fixing plates on different sides, and the short fixing plates on different sides are respectively and correspondingly connected with the first clamping conveying belt or the second clamping conveying belt.

The improved waste collecting mechanism is characterized in that the waste collecting mechanism is arranged below the clamping and conveying device and comprises a base plate, a waste collecting hopper and a drawer, a material receiving opening is formed in the middle of the base plate, the waste collecting hopper is arranged below the base plate and right opposite to the material receiving opening, an opening is formed in the bottom end of the side face of the waste material collecting hopper, and the drawer can be dragged and arranged in the waste material collecting hopper through the opening.

The support is of a structure with adjustable height and comprises a bottom fixing seat, a second hand wheel, an end face cover sleeve, a transmission screw rod, a cover pipe, a transmission nut, an adjusting block, a supporting plate and a hanging plate, wherein the bottom fixing seat is fixed on the base, the cover pipe is vertically fixed on the bottom fixing seat, one end of the transmission screw rod is inserted into the cover pipe, the other end of the transmission screw rod is rotatably connected with the cover pipe through the end face cover sleeve, the end of the transmission screw rod exposed out of one end of the cover pipe is connected with the second hand wheel, and the transmission nut is screwed on the transmission screw rod in the cover pipe; the side surface of the cover pipe is provided with an axial limiting groove, the adjusting block is sleeved outside the cover pipe and can slide up and down along the cover pipe, and the adjusting block is fixedly connected with the transmission nut from the limiting groove, so that the adjusting block moves up and down outside the cover pipe along the direction of the limiting groove along with the transmission nut; the supporting plate is fixedly connected with the adjusting block from the side face, the hanging plate is vertically installed on the supporting plate, and the electromagnetic induction heating module is fixedly connected with the hanging plate so as to adjust the height of the electromagnetic induction heating module.

The working principle of the height-adjustable support is as follows: and the second hand wheel is rotated to drive the screw rod to rotate, so that the transmission nut is driven to move up and down, the adjusting block connected with the transmission nut on the cover pipe is driven to move up and down along the limiting groove, and the supporting plate, the hanging plate and the electromagnetic induction heating module which are fixedly connected with the adjusting block are driven to move up and down.

In the above scheme, a further improvement is that the transmission nut comprises a nut and a guide block, the nut is in threaded connection with the transmission screw rod, the guide block is fixedly arranged on the outer side surface of the nut, the shape of the guide block is matched with that of the limiting groove, so that the guide block can move up and down in the limiting groove, and the adjusting block is fixedly connected with the guide block, so that the adjusting block can move up and down along the limiting groove.

The machine base is of a structure with adjustable height and comprises a frame base and a height adjusting system arranged on the frame base, wherein a fixing plate in the horizontal direction is arranged on the frame base, and the height adjusting system comprises a main transmission mechanism and an adjusting execution mechanism; the main transmission mechanism comprises a third hand wheel, a driving gear shaft, a driving gear, a driven gear shaft, a main synchronizing wheel, a first slave synchronizing wheel, a second slave synchronizing wheel, a tension wheel and a second synchronous belt, the third hand wheel, the driving gear shaft, the driving gear, the driven gear shaft and the main synchronizing wheel are sequentially connected, the main synchronizing wheel, the first slave synchronizing wheel, the second slave synchronizing wheel and the tension wheel are sequentially connected through the second synchronous belt, and the rotation of the third hand wheel is converted into the synchronous rotation of the main synchronizing wheel, the first slave synchronizing wheel and the second slave synchronizing wheel; the adjusting and executing mechanism comprises a first adjusting screw rod, a first adjusting nut, a first adjusting base, a second adjusting screw rod, a second adjusting nut and a second adjusting base, the first adjusting screw rod is connected with the first driven synchronizing wheel, the first adjusting nut is in threaded connection with the first adjusting screw rod, the first adjusting base is fixedly connected with the first adjusting nut, one end of the first adjusting rod is fixed on the first adjusting base, and the other end of the first adjusting rod penetrates through a fixing plate on the frame base through a sliding sleeve and is connected with a supporting plate of the sealing machine; the second adjusting screw rod is connected with the second driven synchronizing wheel, the second adjusting nut is in threaded connection with the second adjusting screw rod, the second adjusting base is fixedly connected with the second adjusting nut, one end of the second adjusting rod is fixed on the second adjusting base, and the other end of the second adjusting rod penetrates through a sliding sleeve to penetrate through a fixing plate on the frame base and be connected with a supporting plate of the sealing machine.

The improved structure is characterized in that the frame base is provided with supporting legs and universal wheels; the first adjusting rod and the second adjusting rod are both provided with limiting sleeves; the driving gear and the driven gear are bevel gears which are matched with each other; and the third hand wheel, the driving gear shaft, the driven gear shaft, the first adjusting screw rod and the second adjusting screw rod are respectively connected with the fixing plate on the frame base through sliding sleeves.

The working principle of the height-adjustable engine base is as follows: and rotating a third hand wheel to sequentially drive the driving gear, the driven gear and the main synchronizing wheel to rotate so as to drive the first slave synchronizing wheel, the second slave synchronizing wheel, the tensioning wheel and the second synchronous belt to move, wherein the first slave synchronizing wheel and the second slave synchronizing wheel respectively drive the first adjusting screw rod and the second adjusting screw rod to rotate, and the first adjusting screw rod and the second adjusting screw rod respectively drive the first adjusting rod and the second adjusting rod to move up and down so as to enable a supporting plate of a sealing machine connected with the first adjusting screw rod and the second adjusting screw rod to move up and down so as to adjust the height of a working part arranged on the supporting plate.

Other parts in the invention, such as a front section conveyor belt, a rear section conveyor belt and an electromagnetic induction heating module, can adopt the prior art.

A packaging bottle aluminum foil sealing method is applied to the packaging bottle aluminum foil sealing machine, and comprises the following steps:

s1, after the packaging bottles with the aluminum foils placed between the bottle openings and the bottle caps enter the front section conveyor belt, the packaging bottles reach between the first clamping conveyor belt and the second clamping conveyor belt of the clamping conveyor device, and due to the fact that the speeds of the first clamping conveyor belt and the second clamping conveyor belt are different, the packaging bottles rotate forwards at a constant speed under the combined action of the first clamping conveyor belt and the second clamping conveyor belt on the clamping conveyor device.

S2, when the packaging bottle reaches the lower part of the electromagnetic induction heating module, the electromagnetic induction coil is electrified to generate an electromagnetic field, the aluminum foil on the bottle mouth in the electromagnetic field instantly heats, the hot melt adhesive on the aluminum foil or the plastic contacting with the bottle mouth part is melted, the hot melt adhesive or the plastic is fully melted due to the rotation of the bottle mouth, and after the packaging bottle leaves the electromagnetic field and is cooled, the aluminum foil and the bottle mouth of the packaging bottle can be firmly bonded together. When the plastic bottle is a plastic bottle and the plastic of the plastic bottle is easy to melt, the plastic melt of the plastic bottle mouth can be utilized to be adhered with the aluminum foil; when the bottle is a glass bottle or a plastic bottle which is not easy to melt plastics, an aluminum foil gasket with hot melt adhesive can be adopted, and the aluminum foil gasket is adhered to the bottle mouth through the melting of the hot melt adhesive on the aluminum foil gasket.

When production is unusual, adjust the distance between first centre gripping conveyer belt and the second centre gripping conveyer belt and make the packing bottle of centre gripping drop the production line, prevent to seal bad bottle and get into next process.

The packaging bottle aluminum foil sealing machine and the sealing method have the advantages that: (1) the clamping conveyor belt is additionally arranged between the two sections of horizontal conveyor belts, and clamping force is provided on the two sides of the bottle, so that the freedom degree restraint and the support on the bottle body are increased when the packaging bottle runs, the bottle body is prevented from moving, shaking or toppling over due to the influence of vibration of the mechanical device, the success rate of sealing is improved, and the production speed of the whole line can be improved; (2) the clamping conveyor belts on the two sides of the bottle body are set to be different in conveying speed, so that the bottle body moves forwards at a constant speed and simultaneously rotates with the bottle mouth at a constant speed in the process of passing through the heating plate, and therefore compared with the state that the bottle body does not rotate, the aluminum foil at the bottle mouth is heated more uniformly, and the sealing success rate is further improved; (3) by arranging the clamping conveyor belt on one side to be a retractable structure, when a factory workshop suffers from power failure, gas cut or abnormal failure shutdown of a production line, the bottles fall into the recovery device by retracting the clamping conveyor belt, so that the bottles running on the mechanical device are automatically removed, and the bottles with poor sealing are prevented from entering a subsequent process; (4) the distance between the two clamping surfaces is adjustable by arranging the centering adjusting mechanism, the height of the electromagnetic induction heating module is adjustable by arranging the support with adjustable height, and the height of the whole machine is adjustable by arranging the base with adjustable height so as to adapt to bottles with different diameters and different heights and production lines with different height requirements.

Drawings

Fig. 1 is a schematic structural view of an existing packaging bottle aluminum foil sealing machine.

Fig. 2 is a schematic view of the overall structure of the embodiment of the invention.

FIG. 3 is a schematic structural diagram of a first clamping conveyor in an embodiment of the invention.

FIG. 4 is a top cross-sectional view of a first clamp conveyor in an embodiment of the invention.

FIG. 5 is a side view of a first clamp conveyor in an embodiment of the invention.

Fig. 6 is a sectional view a-a in fig. 5.

Fig. 7 is a sectional view taken along line B-B in fig. 5.

FIG. 8 is a schematic diagram of a second clamp conveyor according to an embodiment of the invention.

FIG. 9 is a schematic diagram of a second bottom plate of the second clamping conveyer according to the embodiment of the invention.

FIG. 10 is a schematic view of a baffle of a second holding conveyor according to an embodiment of the invention.

FIG. 11 is a schematic view of the assembly of the second base plate and the blocking plate in the second clamping conveyor according to the embodiment of the invention.

Fig. 12 is a schematic structural diagram of a centering adjustment device in an embodiment of the present invention.

FIG. 13 is a top cross-sectional view of a centering adjustment mechanism in an embodiment of the present invention.

Figure 14 is an exploded view of a waste collection mechanism in an embodiment of the present invention.

FIG. 15 is a schematic structural diagram of a stent in an embodiment of the invention.

Fig. 16 is an exploded view of a bracket according to an embodiment of the invention.

FIG. 17 is an exploded view of the drive nut in the bracket according to an embodiment of the present invention.

FIG. 18 is a schematic view of the assembly of the drive nut, the support plate and the adjustment block in the embodiment of the present invention.

FIG. 19 is a side view of a bracket according to an embodiment of the present invention.

Fig. 20 is a cross-sectional view of section a-a in fig. 19.

Fig. 21 is a schematic structural diagram of an electromagnetic induction heating module in an embodiment of the invention.

Fig. 22 is a schematic structural diagram of a base in an embodiment of the invention.

Fig. 23 is a schematic structural diagram of a frame base in a stand according to an embodiment of the invention.

Fig. 24 is a schematic structural view of a height adjusting system in an embodiment of the present invention.

FIG. 25 is a schematic view of a front conveyor or a rear conveyor according to an embodiment of the invention.

FIG. 26 is a schematic view of another angle of the front conveyor or the rear conveyor in an embodiment of the invention.

Reference numerals: 1-packaging bottles; 2-a frame; 3-a conveyor belt; 4-an electromagnetic induction heating module; 5-a machine base; 6-front section conveyor belt; 7-a first holding conveyor belt; 8-a second clamping conveyor belt; 9-rear conveyor belt; 10-a scaffold; 11-a waste collection mechanism; 12-centering adjustment means; 41-a host; 42-a binding post; 43-electromagnetic induction heating plate; 51-a frame base; 52-a height adjustment system; 5101-fixing plate; 5102 supporting feet; 5103-universal wheel; 5201-a third handwheel; 5202-driving gear shaft; 5203-a drive gear; 5204-a driven gear; 5205-driven gear shaft; 5206-a primary synchronizing wheel; 5207-a first slave synchronizing wheel; 5208-a second slave synchronizing wheel; 5209-a tensioning wheel; 5210-a first adjusting screw; 5211-first adjusting lever; 5212-a first adjustment mount; 5213-a first adjusting nut; 5214-a second adjusting screw; 5215-a second adjusting lever; 5216-a second adjustment mount; 5217-a second adjusting nut; 5218-a polish rod; 5219-stop collar; 5220-a second timing belt; 61-a conveyor belt; 62-a drive motor; 63-a support plate; 701-a driving wheel; 702-a driven wheel; 703-a first synchronization belt; 704-an intermediate clamp block; 705-electric machine; 706-a first top panel; 707-a first floor; 708-a first pulley; 709-a second pulley; 710-a third pulley; 711-a belt; 801-second top panel; 802-a second backplane; 803-a baffle; 804-a cylinder; 805-compression springs; 806-U-shaped groove; 8021-cylinder mounting groove; 8022-mounting holes for rotating shaft; 8023-spring mounting groove; 8031-a rotating shaft; 8032-sponge; 1001-bottom fixed seat; 1002-a cover tube; 1003-transmission screw rod; 1004-drive nut; 10041-nut; 10042-a guide block; 1005-end cover sleeve; 1006-a second hand wheel; 1007-a limiting groove; 1008-adjustment blocks; 1009-support plate; 1010-hanger 1101-substrate; 11011-receiving port; 1102-a waste collection hopper; 11021-opening; 1103-drawer; 1201-a first hand wheel; 1202-Long fixed plate; 1203-short fixing plate; 1204-a lead screw; 1205-a guide bar; 1206-single row sprocket; 1207-first chain; 1208-double-row chain wheel; 1209-a second chain; 1210-distance scale display; 1211-left-handed nut; 1212-right-hand nut.

Detailed Description

The structure of the existing packaging bottle aluminum foil sealing machine is shown in fig. 1, and comprises a conveyor belt 3, a rack 2 and an electromagnetic induction heating module 4, wherein a packaging bottle 1 is placed on the conveyor belt 3 for conveying, and when the packaging bottle reaches the electromagnetic induction heating module 4, the aluminum foil in the bottle cap is heated and thermally sealed.

The invention relates to a packaging bottle aluminum foil sealing machine, which is used for sealing an aluminum foil of a round packaging bottle 1 (comprising a plastic bottle or a glass bottle) as shown in figure 2, wherein the aluminum foil is arranged between a bottle cap and a bottle mouth of the packaging bottle 1 in advance, which comprises a machine base 5, a front section conveyor belt 6, a clamping and conveying device, a rear section conveyor belt 9, an electromagnetic induction heating module 4, a support 10, a waste collecting mechanism 11 and a centering and adjusting device 12 which are arranged on the machine base 5, the front section conveyor belt 6, the clamping conveyor device and the rear section conveyor belt 9 are connected in sequence, the electromagnetic induction heating module 4 is arranged on the bracket 10, and is positioned above the clamping and conveying device, the packaging bottles 1 sequentially pass through the front section conveying belt 6, the clamping and conveying device and the rear section conveying belt 9, when the aluminum foil passes through the clamping and conveying device, the aluminum foil at the opening of the packaging bottle 1 is thermally sealed on the opening of the packaging bottle by the electromagnetic induction heating module 4; the clamping and conveying device comprises a first clamping and conveying belt 7 and a second clamping and conveying belt 8 which are arranged in parallel, the first clamping and conveying belt 7 and the second clamping and conveying belt 8 have different conveying speeds, the packaging bottles 1 are enabled to rotate due to the fact that the two conveying belts run at different speeds, and the packaging bottles 1 are placed between the first clamping and conveying belt 7 and the second clamping and conveying belt 8 and are conveyed forwards in a constant-speed rotating mode; the waste collecting mechanism 11 is arranged right below the clamping and conveying device and used for collecting rejected unqualified products. In this embodiment, anterior segment conveyer belt 6 and back end conveyer belt 9 are straight conveyer belt 3, and packing bottle 1 transmits through the frictional force between the bottle end and the conveyer belt 3, and the department changes into through the body centre gripping and conveying when reacing centre gripping conveyer, can not rock or empty, and the rotation can improve the homogeneity that the aluminium foil was heated simultaneously, makes the aluminium foil paste firmly.

As shown in fig. 3 to 7, the first clamping conveyor belt 7 includes a first top plate 706, a first bottom plate 707, an intermediate clamp block 704, a first synchronous belt 703, a motor 705, a pulley, a belt 711, a driving pulley 701 and a driven pulley 702, the middle clamping block 704 is arranged between the first top plate 706 and the first bottom plate 707 and the part for clamping the packaging bottle 1 protrudes out of the first top plate 706 and the first bottom plate 707, the driving pulley 701 and the driven pulley 702 are respectively installed at both ends of the middle clamping block 704, the first timing belt 703 is installed on the driving wheel 701 and the driven wheel 702 and surrounds the side of the middle clamping block 704, so that the first timing belt 703 also protrudes from the first top plate 706 and the first bottom plate 707, the motor 705 is connected with the driving wheel 701 through a belt wheel and a belt 711 to drive the driving wheel 701 to rotate, and the driving wheel 701 rotates to drive the first synchronous belt 703 and the driven wheel 702 to run. The first clamping conveyor belt 7 can also be of similar structure with the same principle, and especially the transmission form between the motor 705 and the driving wheel 701 is various and can be used in the invention.

As an embodiment of transmission between the motor 705 and the capstan 701 in the first nip belt 7, as shown in fig. 3, the motor 705 is installed at the bottom of the first bottom plate 707, the pulleys include a first pulley 708, a second pulley 709 and a third pulley 710, the first pulley 708 is connected to an output shaft of the motor 705, the third pulley 710 is connected to an axle of the capstan 701, the output shaft of the motor 705 is perpendicular to the axle of the capstan 701, the second pulley 709 is fixed on the first bottom plate 707 and is a double-row pulley, a rotation shaft of the second pulley 709 is perpendicular to the axle of the capstan 701, and the belt sequentially passes around the first pulley 708, the second pulley 709 and the third pulley 710 to transmit the power of the motor 705 to the capstan 701. Therefore, the power output direction of the motor 705 is changed, and the installation of the equipment is convenient.

As shown in fig. 8 to 11, the second holding conveyor 8 has a different conveying speed from the first holding conveyor 7, and may have a similar structure to the first holding conveyor 7, but at a different speed. As a development of the invention, the second holding conveyor 8 can be of a stationary configuration, i.e. the speed of the second holding conveyor 8 is zero, and it is structurally without conveyor, only a holding configuration. As one of the structures, the second clamping conveyor belt 8 includes a second top plate 801, a second bottom plate 802, a baffle 803, an air cylinder 804 and a compression spring 805, the second top plate 801 and the second bottom plate 802 are fixed together in an up-down manner, a U-shaped groove 806 extending along the length direction is formed at the joint of the second top plate 801 and the second bottom plate 802, a rotating shaft mounting hole 8022, an air cylinder mounting groove 8021 and a spring mounting groove 8023 are further formed at the joint of the second top plate 801 and the second bottom plate 802, the rotating shaft mounting hole 8022 is located at the end close to the second top plate 801 and the second bottom plate 802, a rotating shaft 8031 is arranged on the baffle 803, the baffle 803 is mounted in the U-shaped groove 806 through the rotating shaft 8031 and the rotating shaft mounting hole 8022, and the clamping surface of the baffle 803 protrudes out of the side surfaces of the second top plate; the spring mounting groove 8023 is located at one end close to the rotating shaft mounting hole 8022, the cylinder mounting groove 8021 is located at the other end far from the rotating shaft mounting hole 8022, the compression spring 805 is mounted in the spring mounting groove 8023, one end of the compression spring contacts with the inner wall of the spring mounting groove 8023, and the other end of the compression spring contacts with the back surface of the baffle 803; the cylinder 804 is installed in the cylinder installation groove 8021, and is connected with the back of the baffle 803, and when the material needs to be removed, the cylinder 804 drives the baffle 803 to retract. The spring forms a lever with the rotating shaft 8031 as a fulcrum, so that the two ends of the baffle 803 can move within a certain range, and the distance between the baffle 803 and the synchronous belt can be finely adjusted, so that the clamping force of the packaging bottle 1 can be adjusted.

In the above scheme, the first synchronous belt 703 and the baffle 803 are two clamping surfaces of the packaging bottle 1. During normal work cylinder 804 withstands baffle 803 centre gripping packing bottle 1, and when work unusual packing bottle 1 that need reject the centre gripping, system control cylinder 804 drives baffle 803 and retreats and makes the distance between baffle 803 and the hold-in range enlarge, and packing bottle 1 falls into the waste material of below promptly and rejects the mechanism.

In this embodiment, the first top plate 706, the first bottom plate 707, the second top plate 801, the second bottom plate 802, the middle clamping block 704, the first synchronization belt 703 and the baffle 803 are all made of non-metal materials, so as to prevent heating by electromagnetic induction, for example, the baffle 803 may be made of nylon material; a sponge 8032 is arranged on the clamping surface of the baffle 803.

In order to adjust the distance between the two clamping surfaces of the clamping and conveying device conveniently to adapt to packaging bottles 1 with different diameters, the centering adjusting device 12 is used for adjusting the installation position of the clamping and conveying device, so that the center line position of the clamped packaging bottles 1 is adjusted to adapt to packaging bottles 1 with different diameters, as shown in fig. 12 and 13, the centering adjusting device 12 comprises two distance adjusting mechanisms with the same structure, and the two distance adjusting mechanisms are symmetrically positioned at the feeding end and the discharging end of the clamping and conveying device; the distance adjusting mechanism comprises a guide rod 1205, a screw rod 1204, a short fixing plate 1203, a long fixing plate 1202, a single-row chain wheel 1206, a double-row chain wheel 1208, a first chain 1207, a left-handed nut 1211, a right-handed nut 1212, a distance scale display 1210 and a first hand wheel 1201, wherein the short fixing plate 1203 and the long fixing plate 1202 are respectively two, the two long fixing plates 1202 are fixed on the base 5, the screw rod 1204 is rotatably connected to the two long fixing plates 1202, the screw rod 1204 is divided into two sections, one section is a left-handed transmission thread, the other section is a right-handed transmission thread, the left-handed nut 1211 is screwed on the left-handed transmission thread, the right-handed nut 1212 is screwed on the right-handed transmission thread, and the two short fixing plates 1203 are respectively fixedly connected with the left-handed nut 1211 and the right-handed nut 1212; the guide rod 1205 is fixed between the two long fixing plates 1202 and is parallel to the screw 1204, the two short fixing plates 1203 are sleeved on the guide rod 1205 through sliding sleeves respectively, the first clamping conveyor belt 7 and the second clamping conveyor belt 8 are fixedly connected with the two short fixing plates 1203 respectively, and the distance between the first clamping conveyor belt 7 and the second clamping conveyor belt 8 is adjusted by adjusting the distance between the two short fixing plates 1203; the first hand wheel 1201 is installed at one end of the screw 1204, the distance scale display 1210 is fixed on a long fixing plate 1202 close to the first hand wheel 1201, and the distance scale display 1210 has a scale value, and the distance between the two clamping conveyor belts is obtained by reading the scale for precise distance adjustment. Distance scale display 1210 is a commercially available standard, such as a SIKO position indicator, including dial displays and electronic numeric displays, that can be used in the present invention.

The single-row chain wheel 1206 is installed at the other end of the screw 1204 far away from the first hand wheel 1201, the double-row chain wheel 1208 is connected with the single-row chain wheel 1206 through the first chain 1207, and the two distance adjusting mechanisms are connected with the double-row chain wheel 1208 on the two chain wheels through the second chain 1209.

The working principle of the centering adjusting device 12 is as follows: rotating any one first hand wheel 1201 leftwards or rightwards to drive the corresponding screw 1204 to rotate leftwards or rightwards, and driving the short fixing plate 1203 connected with the screw 1204 to move through a left-handed nut 1211 or a right-handed nut 1212; the rotation of the screw 1204 drives the single-row chain wheel 1206 to rotate at the same time, the single-row chain wheel 1206 drives the double-row chain wheel 1208 to rotate through the first chain 1207, the double-row chain wheel 1208 drives the double-row chain wheel 1208 in the other distance adjusting mechanism to rotate through the second chain 1209, and the single-row chain wheel 1206, the screw 1204 and the short fixing plate 1203 are driven to rotate and move by the same principle; two short fixing plates 1203 on the same side in the two distance adjusting mechanisms move simultaneously, so that a first clamping conveyor belt 7 or a second clamping conveyor belt 8 connected with the short fixing plates are driven to move, and the distance between the first clamping conveyor belt 7 and the second clamping conveyor belt 8 is adjusted; the first hand wheel 1201 rotates left or right correspondingly to the movement of the short fixing plates 1203 on different sides, and the short fixing plates 1203 on different sides are correspondingly connected with the first clamping conveyor belt 7 or the second clamping conveyor belt 8 respectively. The left-handed nut 1211 and the right-handed nut 1212 are respectively fixed with the short fixing plate 1203 by jackscrews, the sliding sleeve adopts a universal piece, the outer ring is provided with an oil groove, the through hole is formed in the outer ring to introduce lubricating oil into the inner ring, and the lubricating oil is fixed by the jackscrews.

As shown in fig. 14, the scrap collecting mechanism 11 is disposed below the clamping and conveying device, and includes a substrate 1101, a scrap collecting hopper 1102 and a drawer 1103, a material receiving opening 11011 is formed in the middle of the substrate 1101, the scrap collecting hopper 1102 is disposed below the substrate 1101 and faces the material receiving opening 11011, an opening 11021 is formed in a bottom end of a side surface of the scrap collecting hopper, and the drawer 1103 is disposed in the scrap collecting hopper through the opening 11021 in a dragging manner.

As shown in fig. 15 to 20, the support 10 is a structure with adjustable height, and includes a bottom fixing base 1001, a second hand wheel 1006, an end cover sleeve 1005, a transmission screw 1003, a cover tube 1002, a transmission nut 1004, an adjusting block 1008, a support plate 1009, and a hanger plate 1010, the bottom fixing base 1001 is fixed on the base 5, the cover tube 1002 is vertically fixed on the bottom fixing base 1001, one end of the transmission screw 1003 is inserted into the cover tube 1002, the other end of the transmission screw 1003 is rotatably connected with the cover tube 1002 through the end cover sleeve 1005, and an end of the transmission screw 1003 exposed at one end of the cover tube 1002 is connected with the second hand wheel 1006. The side surface of the cover tube 1002 is provided with an axial limiting groove 1007, and the adjusting block 1008 is sleeved outside the cover tube 1002 and can slide up and down along the cover tube 1002. The transmission nut 1004 comprises a nut 10041 and a guide block 10042, the nut 10041 is in threaded connection with the transmission screw 1003 positioned in the cover tube 1002, the guide block 10042 is fixedly arranged on the outer side surface of the nut 10041, the shape of the guide block 10042 is matched with that of the limit groove 1007, so that the guide block 10042 can move up and down in the limit groove 1007, the adjusting block 1008 is fixedly connected with the guide block 10042, the adjusting block 1008 is connected with the nut 10041 through the guide block 10042, and the adjusting block 1008 moves up and down outside the cover tube 1002 along the direction of the limit groove 1007 along with the transmission nut 1004.

The supporting plate 1009 is fixedly connected with the adjusting block 1008 from the side, the hanging plate 1010 is vertically installed on the supporting plate 1009, and the electromagnetic induction heating module 4 is fixedly connected with the hanging plate 1010 to adjust the height of the electromagnetic induction heating module 4. In this embodiment, the top of the electromagnetic induction heating module 4 is installed at the bottom of the hanging plate 1010, which is convenient for the installation of the main machine 41 and the work of the electromagnetic induction heating plate 43.

The working principle of the height-adjustable support 10 is as follows: the second hand wheel 1006 is rotated to drive the screw rod to rotate, so as to drive the transmission nut 1004 to move up and down, and drive the adjusting block 1008 connected with the transmission nut 1004 on the cover tube 1002 to move up and down along the limiting groove 1007, and drive the supporting plate 1009, the hanging plate 1010 and the electromagnetic induction heating module 4 which are fixedly connected with the adjusting block 1008 to move up and down.

The machine base 5 is a structure with adjustable height, as shown in fig. 22 to 24, and includes a frame base 51 and a height adjusting system 52 disposed on the frame base 51, the frame base 51 is provided with a horizontal fixing plate 5101, and the height adjusting system 52 includes a main transmission mechanism and an adjusting execution mechanism; the main transmission mechanism comprises a third hand wheel 5201, a driving gear shaft 5202, a driving gear 5203, a driven gear 5204, a driven gear shaft 5205, a main synchronizing wheel 5206, a first driven synchronizing wheel 5207, a second driven synchronizing wheel 5208, a tension wheel 5209 and a second synchronous belt 5220, wherein the third hand wheel 5201, the driving gear shaft 5202, the driving gear 5203, the driven gear 5204, the driven gear shaft 5205 and the main synchronizing wheel 5206 are sequentially connected, the main synchronizing wheel 5206, the first driven synchronizing wheel 5207, the second driven synchronizing wheel 5208 and the tension wheel 5209 are sequentially connected through the second synchronous belt 5220, and the rotation of the third hand wheel 5201 is converted into the synchronous rotation of the main synchronizing wheel 5206, the first driven synchronizing wheel 5207 and the second driven synchronizing wheel 5208; the adjusting actuator comprises a first adjusting screw 5210, a first adjusting rod 5211, a first adjusting nut 5213, a first adjusting base 5212, a second adjusting screw 5214, a second adjusting rod 5215, a second adjusting nut 5217 and a second adjusting base 5216, the first adjusting screw 5210 is connected with the first driven synchronizing wheel 5207, the first adjusting nut 5213 is in threaded connection with the first adjusting screw 5210, the first adjusting base 5212 is fixedly connected with the first adjusting nut 5213, one end of the first adjusting rod 5211 is fixed on the first adjusting base 5212, and the other end of the first adjusting rod 5211 penetrates through a fixing plate 5101 on the frame base 51 through a sliding sleeve to be connected with a supporting plate of the sealing machine; the second adjusting screw 5214 is connected to the second slave synchronizing wheel 5208, the second adjusting nut 5217 is screwed to the second adjusting screw 5214, the second adjusting base 5216 is fixedly connected to the second adjusting nut 5217, one end of the second adjusting rod 5215 is fixed to the second adjusting base 5216, and the other end of the second adjusting rod passes through the fixing plate 5101 on the frame base 51 through a sliding sleeve and is connected to the support plate of the sealing machine.

The frame base 51 is provided with supporting feet 5102 and universal wheels 5103; the first adjusting rod 5211 and the second adjusting rod 5215 are both provided with a stop collar 5219; the driving gear 5203 and the driven gear 5204 are bevel gears matched with each other; the third hand wheel 5201, the driving gear shaft 5202, the driven gear shaft 5205, the first adjusting screw 5210 and the second adjusting screw 5214 are respectively connected with the fixing plate 5101 on the frame base 51 through sliding sleeves. In this embodiment, a polished rod 5218 is further disposed between the first adjusting rod 5211 and the second adjusting rod 5215 to balance the driving force, the polished rod 5218 is fixed to the pallet in the next year, and a stop collar 5219 is further disposed on the polished rod 5218.

The working principle of the height-adjustable engine base 5 is as follows: the third hand wheel 5201 is rotated to drive the driving gear 5203, the driven gear 5204 and the main synchronizing wheel 5206 to rotate in turn, so as to drive the first slave synchronizing wheel 5207, the second slave synchronizing wheel 5208, the tension wheel 5209 and the second synchronous belt 5220 to move, the first slave synchronizing wheel 5207 and the second slave synchronizing wheel 5208 respectively drive the first adjusting screw 5210 and the second adjusting screw 5214 to rotate, and the first adjusting screw 5210 and the second adjusting screw 5214 respectively drive the first adjusting rod 5211 and the second adjusting rod 5215 to move up and down, so that the support plate of the sealing machine connected with the support plate is moved up and down to adjust the height of the working component mounted on the support plate.

Other parts in the invention such as the front section conveyor belt 6, the rear section conveyor belt 9 and the electromagnetic induction heating module 4 can adopt the prior art. The front-stage conveyor belt 6 and the rear-stage conveyor belt 9 of the present embodiment have the same structure, and as shown in fig. 25 and fig. 26, each of the front-stage conveyor belt and the rear-stage conveyor belt includes a driving motor 62, a driving roller shaft (not shown), a driven roller shaft (not shown), a conveyor belt 61, and a support plate 63, the conveyor belt 61 runs horizontally, and the driving motor 70562 drives the driving roller shaft and the driven roller shaft to rotate, so as to drive the conveyor belt 61 to run.

As shown in fig. 21, the electromagnetic induction heating module 4 includes a main machine 41, a terminal 42 and an electromagnetic induction heating plate 43 (tunnel type), a fan, a main circuit board, a display screen, a control panel and the like are installed in the main machine 41, the electromagnetic induction heating plate 43 is connected with the main machine 41 through the terminal 42, and a bottle mouth of the packaging bottle 1 is placed in a cavity on the tunnel type electromagnetic induction heating plate 43.

A packaging bottle aluminum foil sealing method is applied to the packaging bottle aluminum foil sealing machine, and comprises the following steps:

s1, after the packaging bottles 1 placed with the aluminum foils between the bottle mouths and the bottle caps enter the front section conveyor belt 6, the packaging bottles reach between the first clamping conveyor belt 7 and the second clamping conveyor belt 8 of the clamping conveyor device, and due to the fact that the speeds of the first clamping conveyor belt 7 and the second clamping conveyor belt 8 are different, the packaging bottles 1 rotate forwards at a constant speed under the combined action of the first clamping conveyor belt 7 and the second clamping conveyor belt 8 on the clamping conveyor device.

S2, when the packaging bottle 1 reaches the lower part of the electromagnetic induction heating module 4, the electromagnetic induction coil is electrified to generate an electromagnetic field, the aluminum foil on the bottle mouth in the electromagnetic field instantly heats, the hot melt adhesive on the aluminum foil or the plastic contacted with the bottle mouth part is melted, the hot melt adhesive or the plastic is fully melted due to the rotation of the bottle mouth, and after the packaging bottle 1 leaves the electromagnetic field and is cooled, the aluminum foil and the bottle mouth of the packaging bottle 1 are firmly bonded together. When the plastic bottle is a plastic bottle and the plastic of the plastic bottle is easy to melt, the plastic melt of the plastic bottle mouth can be utilized to be adhered with the aluminum foil; when the bottle is a glass bottle or a plastic bottle which is not easy to melt plastics, an aluminum foil gasket with hot melt adhesive can be adopted, and the aluminum foil gasket is adhered to the bottle mouth through the melting of the hot melt adhesive on the aluminum foil gasket.

When production is abnormal, the distance between the first clamping conveyor belt 7 and the second clamping conveyor belt 8 is adjusted to enable the clamped packaging bottles 1 to fall off the production line, and the bottles with bad sealing are prevented from entering the next procedure.

The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.