阅读说明：本技术 一种物料瓶口的卷边机构 (Curling mechanism for material bottle mouth ) 是由 史发全 于 2021-06-28 设计创作，主要内容包括：本发明公开了一种物料瓶口的卷边机构,其结构包括机架,其结构还包括：塑料薄膜的传送面：传送面包括从左到右依次设置在机架上的放料轴、若干张紧轴以及收料轴,其中两个张紧轴之间设有卷边工位；位于传送面上方的卷边件：卷边件包括卷边气缸以及可上下活动的电热模具,电热模具的活动方向正面靠近或者远离卷边工位,卷边气缸的输出端和电热模具连接；位于传送面下方的等分旋转工位盘：等分旋转工位盘上设有转盘以及若干呈圆形分布在转盘上的物料瓶放置工位,转盘带动物料瓶放置工位进行转动时,若干物料瓶放置工位依次经过卷边工位的正下方,本发明实现将传送面上的塑料薄膜套在物料瓶口上进行卷边。(The invention discloses a curling mechanism of a material bottle mouth, which structurally comprises a frame and further comprises: transfer side of plastic film: the conveying surface comprises a discharging shaft, a plurality of tensioning shafts and a receiving shaft which are sequentially arranged on the rack from left to right, wherein a curling station is arranged between the two tensioning shafts; a hemming member located above the conveying surface: the curling part comprises a curling cylinder and an electric heating die capable of moving up and down, the front side of the electric heating die in the moving direction is close to or far away from the curling station, and the output end of the curling cylinder is connected with the electric heating die; an aliquot rotary station disk located below the conveying surface: the equally-divided rotary station disc is provided with a rotary disc and a plurality of material bottle placing stations which are circularly distributed on the rotary disc, and when the rotary disc drives the material bottle placing stations to rotate, the material bottle placing stations sequentially pass right below the curling station.)

1. The utility model provides a curling mechanism of material bottleneck, its structure includes frame (101), its characterized in that: its structure still includes:

conveying surface (1) of plastic film: the conveying surface (1) comprises a discharging shaft (11), a plurality of tensioning shafts (12) and a material receiving shaft (13) which are sequentially arranged on the rack (101) from left to right, wherein a curling station (102) is arranged between the two tensioning shafts (12);

a hemming member (2) located above the conveying surface (1): the hemming part (2) comprises a hemming cylinder (21) and an electric heating die (3) capable of moving up and down, the front face of the electric heating die (3) in the moving direction is close to or far away from the hemming station (102), and the output end of the hemming cylinder (21) is connected with the electric heating die (3);

an aliquot rotary station disk (4) located below the conveying surface (1): the material bottle turning device is characterized in that a rotary disc (41) and a plurality of material bottle placing stations (42) which are circularly distributed on the rotary disc (41) are arranged on the equally-dividing rotary station disc (4), and when the rotary disc (41) drives the material bottle placing stations (42) to rotate, the material bottle placing stations (42) sequentially pass through the position right below the edge curling station (102).

2. A crimping mechanism for a material neck finish according to claim 1, wherein: electric heat mould (3) are including sleeve (31) and a plurality of electric heat piece (32), the inside of sleeve (31) is equipped with a plurality of movable plates (5) that can go up and down elastic activity, and is a plurality of movable plate (5) encircle to form interior looping (33), interior looping (33) with sleeve (31) coaxial setting and radius are greater than the radius of material bottleneck, the initial position of movable plate (5) extends the bottom of sleeve (31), and is a plurality of electric heat piece (32) evenly distributed be in on movable plate (5), a plurality of the bottom of movable plate (5) is connected with looping face (34), the diameter of looping face (34) is greater than the diameter of sleeve (31).

3. A crimping mechanism for a material neck finish according to claim 2, wherein: the cover opening surface (34) is conical, and a soft pad (341) is laid at the opening of the cover opening surface (34).

4. A crimping mechanism for a material neck finish according to claim 2, wherein: the inside of sleeve (31) distributes and has a plurality of spouts (51), the side of fly leaf (5) is equipped with slider (52), slider (52) slide and establish the inside of spout (51), the inside top of spout (51) is equipped with buffer spring (103), buffer spring (103) with slider (52) fixed connection.

5. A crimping mechanism for a material neck finish according to claim 2, wherein: adjusting screw thread mouth (311) have been seted up at the top of sleeve (31), threaded connection has fixed block (6) on adjusting screw thread mouth (311), the top of fixed block (6) is equipped with stationary plane (61) and extends the top of sleeve (31), stationary plane (61) with the output of turn-up cylinder (21) is connected, the bottom of fixed block (6) is equipped with and pushes down spacing face (62) and extends the entering the inside of interior looping (33), it is located to push down spacing face (62) the central point of interior looping (33) puts.

6. A crimping mechanism for a material neck finish according to claim 5, wherein: spiral positioning grooves (621) are formed in the pressing limiting surface (62), and the size of each spiral positioning groove (621) corresponds to the size of the material bottle opening.

The technical field is as follows:

the invention relates to the technical field of material bottle production equipment, in particular to a material bottle mouth curling mechanism.

Background art:

when the material bottle is applied to packaging of various medicaments, the tightness of a material bottle opening needs to be strictly ensured, at present, the material bottle opening is generally sealed through curling, pasting and sealing, wherein when some automatic curling equipment on the market curl the material bottle opening at present, the phenomenon that the plastic film curls incompletely on the material bottle opening easily occurs, the sealing performance of the material bottle opening is reduced, and secondly, the curling of the plastic film on the material bottle opening is generally realized in a heating and cooling mode, so that the plastic film shrinks at the position of the material bottle opening, and the curling of the material bottle opening is realized.

The invention content is as follows:

the present invention is directed to a crimping mechanism for material necks that solves one or more of the problems set forth above.

In order to solve the technical problem, the invention provides a curling mechanism of a material bottle mouth, which structurally comprises a rack and is characterized in that: its structure still includes:

transfer side of plastic film: the conveying surface comprises a discharging shaft, a plurality of tensioning shafts and a receiving shaft which are sequentially arranged on the rack from left to right, wherein a curling station is arranged between the two tensioning shafts;

a hemming member located above the conveying surface: the curling part comprises a curling cylinder and an electric heating die capable of moving up and down, the front side of the electric heating die in the moving direction is close to or far away from the curling station, and the output end of the curling cylinder is connected with the electric heating die;

an aliquot rotary station disk located below the conveying surface: the equally-divided rotary station disc is provided with a rotary disc and a plurality of material bottle placing stations which are circularly distributed on the rotary disc, and when the rotary disc drives the material bottle placing stations to rotate, the material bottle placing stations sequentially pass through the position under the crimping station.

Further, above-mentioned electric heat mould includes sleeve and a plurality of electric heat piece, and telescopic inside is equipped with a plurality of fly leafs that can elasticity activity from top to bottom, and a plurality of fly leafs encircle to form into interior looping, and interior looping and the coaxial setting of sleeve and radius are greater than the radius of material bottleneck, and telescopic bottom is extended to the initial position of fly leaf, and a plurality of electric heat piece evenly distributed are on the fly leaf, and the bottom of a plurality of fly leafs is connected with the looping face, and the diameter of looping face is greater than telescopic diameter.

Furthermore, the looping surface is conical, and a soft cushion is laid at the opening of the looping surface.

Furthermore, a plurality of sliding grooves are distributed in the sleeve, sliding blocks are arranged on the side faces of the movable plates, the sliding blocks are arranged in the sliding grooves in a sliding mode, buffer springs are arranged at the tops of the sliding grooves, and the buffer springs are fixedly connected with the sliding blocks.

Furthermore, the adjusting threaded opening is formed in the top of the sleeve, the fixing block is connected to the adjusting threaded opening in a threaded mode, the fixing face is arranged at the top of the fixing block and extends out of the top of the sleeve, the fixing face is connected with the output end of the curling cylinder, the bottom of the fixing block is provided with a pressing limiting face and extends into the inner sleeve opening, and the pressing limiting face is located in the center of the inner sleeve opening.

Furthermore, a spiral positioning groove is formed in the pressing limiting surface, and the size of the spiral positioning groove corresponds to the size of the material bottle opening.

The invention has the beneficial effects that:

1. the invention provides a material bottle opening curling mechanism, wherein material bottles are driven by an equally-divided rotary station disc to reach the position right below a curling station one by one, a plastic film is fixed on a discharging shaft and reaches a material receiving shaft through a tensioning shaft, a curling cylinder drives an electric heating die to descend after the material bottles reach the position right below the curling station, and the plastic film on a conveying surface is sleeved on the material bottle opening to curl under the action of the electric heating die.

2. The invention provides a material bottle mouth crimping mechanism, after a material bottle moves to a position right above a crimping station along with a material bottle placing station, a crimping cylinder pushes a sleeve to move downwards, a sleeve mouth surface preferentially acts on a plastic film on a conveying surface, the sleeve mouth surface presses the plastic film downwards and is attached to the position of the material bottle mouth, according to the diameter setting of the sleeve mouth surface, the diameter of the sleeve mouth surface and the plastic film is larger than that of an inner sleeve mouth, the diameter of the inner sleeve mouth is larger than that of the material bottle mouth, along with the continuous downward movement of the sleeve mouth surface, the sleeve mouth surface and the plastic film are gradually sleeved on the outer side of the material bottle mouth, redundant plastic films are gradually extruded into the inner sleeve mouth, and in the extrusion process of the plastic films towards the inner sleeve mouth, the movable plate is limited by the plastic film and the material bottle mouth surface and performs upward elastic movement, so that continuous rigid contact between the sleeve mouth surface and the plastic film is avoided, the phenomenon of damaging the plastic film is caused, the plastic film can be completely extruded into the inner sleeve opening, then the electric heating block is heated, the electric heating block generates heat, the plastic film sleeved on the outer side of the material bottle opening can be curled on the material bottle opening, and the curling mode improves the integrity of curling of the plastic film on the material bottle opening.

3. The invention provides a curling mechanism of a material bottleneck, wherein when a plastic film is extruded to enter an inner sleeve opening and is sleeved at the position of the material bottleneck, a pressing limiting surface presses a contact surface of the plastic film and the material bottleneck in the inner sleeve opening, the pressing can keep the contact surface of the plastic film and the material bottleneck flat, and excessive wrinkles are avoided when the contact surface of the plastic film and the material bottleneck is heated, so that the sealing performance of the plastic film to the interior of the material bottleneck after the material bottleneck is curled is ensured.

Description of the drawings:

FIG. 1 is a schematic side view of the present invention.

Fig. 2 is an enlarged view of a portion a of the present invention.

Fig. 3 is a bottom cross-sectional view of the sleeve of the present invention.

The specific implementation mode is as follows:

for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

Fig. 1 to fig. 3 show an embodiment of the present invention, which structurally includes a frame 101, and further includes:

conveying surface 1 of plastic film: the conveying surface 1 comprises a discharging shaft 11, a plurality of tensioning shafts 12 and a receiving shaft 13 which are sequentially arranged on a rack 101 from left to right, wherein a curling station 102 is arranged between the two tensioning shafts 12;

hemmer 2 located above the conveying surface 1: the hemming part 2 comprises a hemming cylinder 21 and an electric heating die 3 capable of moving up and down, the front face of the electric heating die 3 in the moving direction is close to or far away from the hemming station 102, and the output end of the hemming cylinder 21 is connected with the electric heating die 3;

an aliquot rotary station disk 4 located below the conveying surface 1: the equally-divided rotary station disc 4 is provided with a turntable 41 and a plurality of material bottle placing stations 42 which are circularly distributed on the turntable 41, and when the turntable 41 drives the material bottle placing stations 42 to rotate, the material bottle placing stations 42 sequentially pass through the position right below the hemming station 102.

The working principle of curling the plastic film on the material bottle opening is as follows, the material bottles reach under a curling station 102 one by one under the drive of an equally-divided rotary station disc 4, the plastic film is fixed on a discharging shaft 11 and reaches a material receiving shaft 13 through a tensioning shaft 12, after the material bottles reach under the curling station 102, a curling cylinder 21 drives an electric heating die 3 to descend, the plastic film on a conveying surface 1 is sleeved on the material bottle opening to curl under the action of the electric heating die 3, after a cutting cylinder ascends, the material receiving shaft 13 rotates by a specified angle, the used plastic film is pulled away from the curling station 102 to wait for next use

In the present invention, as a preferable scheme, the specific structure of the electric heating mold 3 is as follows: the electric heating mold 3 comprises a sleeve 31 and a plurality of electric heating blocks 32, a plurality of movable plates 5 which can elastically move up and down are arranged inside the sleeve 31, the movable plates 5 are surrounded to form an inner sleeve opening 33, the inner sleeve opening 33 and the sleeve 31 are coaxially arranged, the radius of the inner sleeve opening is larger than that of a material bottle opening, the bottom of the sleeve 31 extends out of the initial position of the movable plates 5, the electric heating blocks 32 are uniformly distributed on the movable plates 5, the bottoms of the movable plates 5 are connected with a sleeve opening surface 34, and the diameter of the sleeve opening surface 34 is larger than that of the sleeve 31.

In the invention, after the material bottle moves to the position right above the curling station 102 along with the material bottle placing station 42, the curling cylinder 21 pushes the sleeve 31 to move downwards, the sleeve opening surface 34 acts on the plastic film on the conveying surface 1 preferentially, the sleeve opening surface 34 presses the plastic film downwards and is attached to the position of the material bottle opening, according to the diameter setting of the sleeve opening surface 34, the contact surface between the sleeve opening surface 34 and the plastic film is larger than the diameter of the sleeve 31 and larger than the diameter of the inner sleeve opening 33 and larger than the diameter of the material bottle opening, along with the continuous downward movement of the sleeve opening surface 34, the contact surface between the sleeve opening surface 34 and the plastic film can be gradually sleeved on the outer side of the material bottle opening, the redundant plastic film can be gradually extruded into the inner sleeve opening 33, and in the extrusion process of the plastic film to the inner sleeve opening 33, the movable plate 5 is limited by the contact surface between the plastic film and the material bottle opening, and performs upward elastic movement, thereby avoid appearing the lasting rigid contact between cover mouthful face 34 and the plastic film, the phenomenon of damaging the plastic film appears, ensure that the plastic film can extrude the inside that gets into interior cover mouthful 33 completely, heat electric heat piece 32 afterwards, electric heat piece 32 produces the heat, make the plastic film who overlaps the material bottleneck outside can the turn-up on the material bottleneck, the integrality of plastic film turn-up on the material bottleneck has been improved to this kind of turn-up mode, after follow-up turn-up cylinder 21 drives electric heat mould 3 upward movement to the primary importance, fly leaf 5 resumes to the primary importance under the elastic action, wait for the turn-up of next time.

In the present invention, preferably, the cuff surface 34 is conical, a soft pad 341 is laid at the opening of the cuff surface 34, and the soft pad 341 is provided to facilitate the contact surface between the cuff surface 34 and the plastic film, so as to protect the plastic film.

In the present invention, preferably, a plurality of sliding grooves 51 are distributed in the sleeve 31, a sliding block 52 is disposed on a side surface of the movable plate 5, the sliding block 52 is slidably disposed in the sliding grooves 51, a buffer spring 103 is disposed on a top portion of the inside of the sliding grooves 51, and the buffer spring 103 is fixedly connected to the sliding block 52.

In the present invention, when the movable plate 5 elastically moves up and down, the slider 52 presses the buffer spring 103 to freely move in the sliding groove 51, and after the hemming cylinder 21 drives the electric heating mold 3 to move up to the original position, the slider 52 is restored to the original position under the restoring action of the buffer spring 103.

In the present invention, as a preferable scheme, an adjusting threaded hole 311 is formed at the top of the sleeve 31, a fixing block 6 is connected to the adjusting threaded hole 311 in a threaded manner, a fixing surface 61 is arranged at the top of the fixing block 6 and extends out of the top of the sleeve 31, the fixing surface 61 is connected to the output end of the curling cylinder 21, a downward pressing limiting surface 62 is arranged at the bottom of the fixing block 6 and extends into the inner sleeve opening 33, and the downward pressing limiting surface 62 is located at the center of the inner sleeve opening 33.

In the invention, when the plastic film is extruded into the inner sleeve opening 33 and sleeved at the material bottle opening, the press limiting surface 62 presses the contact surface of the plastic film and the material bottle opening in the inner sleeve opening 33, the press can keep the contact surface of the plastic film and the material bottle opening flat, and excessive wrinkles are avoided when the contact surface of the plastic film and the material bottle opening is heated, so that the sealing performance of the plastic film to the interior of the material bottle after the material bottle opening is curled is ensured.

In the present invention, as a preferred scheme, the pressing limiting surface 62 is provided with a spiral positioning groove 621, and the size of the spiral positioning groove 621 corresponds to the size of the material bottle opening.

In the invention, when the pressing limiting surface 62 presses the contact surface between the plastic film and the material bottle opening, the spiral positioning groove 621 is clamped in the material bottle opening, the size of the spiral positioning groove 621 enables the plastic film to be completely attached to the position of the material bottle opening, and the sealing performance of the plastic film after the material bottle opening is curled is further improved.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.