阅读说明：本技术 一种制药生产线用空壳胶囊排除装置 (Empty shell capsule removing device for pharmaceutical production line ) 是由 舒海球 于 2019-09-28 设计创作，主要内容包括：本发明公开的一种制药生产线用空壳胶囊排除装置,包括自左向右的三个储存箱,所述储存箱后侧设有有序输送装置,左侧的所述储存箱后侧端面上固定连接有固定杆,所述固定杆前侧端面上固定连接有位于左侧的所述储存箱右侧筛分箱,所述筛分箱内设有筛分腔,所述筛分腔上设有空壳排出装置,所述筛分腔上设有位于所述空壳排出装置下侧的排出装置,所述排出装置用于排出未装满药剂的胶囊,所述排出装置下侧设有用于排出正常胶囊的胶囊排出装置,所述筛分腔下侧端面上设有锁定装置,本发明具有胶囊筛分精度较高,筛分错误率较低的特点,且能对空胶囊、重量未达标胶囊和正常胶囊进行筛分。(The invention discloses a vacant capsule removing device for a pharmaceutical production line, which comprises three storage boxes from left to right, the rear side of the storage box is provided with an ordered conveying device, the end face of the rear side of the storage box on the left side is fixedly connected with a fixed rod, the end face of the front side of the fixed rod is fixedly connected with the right screening box of the storage box on the left side, a screening cavity is arranged in the screening box, a hollow shell discharging device is arranged on the screening cavity, a discharging device positioned on the lower side of the hollow shell discharging device is arranged on the screening cavity, the ejection device is used for ejecting the capsule which is not filled with the medicament, the lower side of the ejection device is provided with a capsule ejection device used for ejecting the normal capsule, the invention has the characteristics of higher capsule screening precision and lower screening error rate, and can screen empty capsules, capsules with unqualified weight and normal capsules.)

1. A capsule removing device for a pharmaceutical production line comprises three storage boxes from left to right;

the bin rear side is equipped with orderly conveyor, and is left fixedly connected with dead lever on the bin rear end face, fixedly connected with is located on the dead lever front end face left bin right side screening case, be equipped with the screening chamber in the screening case, be equipped with shell eduction gear on the screening chamber, be equipped with on the screening chamber and be located the eduction gear of shell eduction gear downside, eduction gear is used for discharging the capsule that does not fill with the medicament, the eduction gear downside is equipped with the capsule eduction gear that is used for discharging normal capsule, shell eduction gear, eduction gear with all be equipped with a valve body mechanism in the capsule eduction gear, eduction gear with all be equipped with an auxiliary valve body mechanism in the capsule eduction gear, be equipped with locking device on the screening chamber downside terminal surface, locking device includes fixed connection in fixed plate, the fixed plate on the screening case lower side terminal surface, The screening case lower extreme terminal surface on fixedly connected with be located the third valve body of fixed plate front side, set up in third valve body cavity, sliding connection in the third valve body intracavity stop the piece, fixed connection in connecting rod on the end of stopping the piece lower extreme terminal surface, fixed connection in elevator on the connecting rod, rotate connect in on the fixed plate front end terminal surface and forward extension's pivot, fixed connection in epaxial carousel, ten hoop array distribute in the carousel and opening towards keep away from the flexible chamber of center of symmetry one side, sliding connection in slider in the flexible intracavity, the capsule along the screening chamber moves down the in-process, can make the carousel rotates, makes the slider can make under the centrifugal force effect the elevator shifts up to can make valve body mechanism closes, prevents that the capsule from being discharged.

2. The empty capsule removing device for pharmaceutical production line as claimed in claim 1, wherein: the storage box is internally provided with a storage cavity with an upward opening, and the capsule discharging device and the valve body mechanism on the discharging device are bilaterally symmetrical.

3. The empty capsule removing device for pharmaceutical production line as claimed in claim 1, wherein: the ordered conveying device comprises a vibrating disc arranged on the left side of the rear side of the storage box, an auxiliary feeding pipe is connected to the end face of the front side of the vibrating disc in a communicating mode, the auxiliary feeding pipe is connected to the screening cavity in a communicating mode, a motor shaft extending from top to bottom and extending downwards is connected to the inner wall of the lower side of the feeding pipe in a rotating mode, the motor shaft is fixedly connected with a fixing rod which is fixedly connected to the left side of the end face of the rear side of the storage box, and a conveying impeller which is arranged in the feeding pipe is fixedly connected to the motor shaft.

4. The empty capsule removing device for pharmaceutical production line as claimed in claim 2, wherein: the empty shell discharging device comprises a lifting plate which is connected to the inner wall of the screening cavity in a sliding manner, the lower side end face of the lifting plate is fixedly connected with a threaded rod which extends downwards to the outside of the end face of the screening cavity, the lower side end face of the lifting plate is fixedly connected with a rack which extends downwards to the outside of the end face of the screening cavity and is positioned on the right side of the threaded rod, the threaded rod is connected with a nut which is positioned on the lower side of the screening cavity, an extension spring is connected between the nut and the lower side end face of the screening cavity, different initial elasticity of the extension spring can be set by adjusting the position of the nut on the threaded rod, so that empty capsule discharging of capsules with different gravities is realized, the inner wall on the left side of the screening cavity is fixedly connected with a position switch which is positioned on the upper side of the lifting plate, and the right side, the device is characterized in that a first vacuum generator is connected to the end face of the right side of the first discharge pipe in a communicating manner, the first discharge pipe is connected to the suction inlet of the first vacuum generator in a communicating manner, the exhaust port on the lower side of the first vacuum generator is connected to the storage cavity on the right side of the first vacuum generator in a communicating manner, an air pump is fixedly connected to the end face of the left side of the screening cavity, a connecting pipe is connected to the exhaust device in a communicating manner, the connecting pipe is connected to the air inlet of the first vacuum generator in a communicating manner, an auxiliary air pipe is arranged on the auxiliary air pipe, a first valve body is arranged on the lower side of the valve body and fixedly connected to the end face of the lower side of the first discharge pipe on the auxiliary air pipe, a first valve body cavity is arranged in the first valve body and communicated with the auxiliary air pipe, an auxiliary blocking block is connected to the communicating pipe in a sliding manner, and an auxiliary spring is connected between the auxiliary blocking, fixedly connected with extends to on the terminal surface of vice shutoff piece left side the driven lever of screening intracavity, just the driven lever can with the lifter plate butt, when the driven lever is located left spacing department, by vice gas-supply pipe makes the connecting pipe with first vacuum generator does not communicate with each other.

5. the empty capsule removing device for pharmaceutical production line as claimed in claim 4, wherein: the discharge device comprises a second discharge pipe which is communicated with the screening cavity and is positioned on the lower side of the first discharge pipe, a second vacuum generator is communicated and connected with the end face of the right side of the second discharge pipe, the second discharge pipe is communicated and connected with the suction inlet of the second vacuum generator, the exhaust port on the lower side of the second vacuum generator is communicated and connected with the middle storage cavity, a connecting pipe is communicated and connected with the air inlet of the second vacuum generator, a second valve body fixedly connected to the front end face of the first discharge pipe is arranged on the connecting pipe, a second valve body cavity communicated with the connecting pipe is arranged in the second valve body, a blocking block is connected in the second valve body cavity in a sliding manner, an auxiliary push rod which extends leftwards to the outside of the end face of the second valve body cavity is fixedly connected to the end face of the first valve body cavity and is fixedly connected to the right side end face of the auxiliary blocking block, the connecting pipe is provided with the valve body mechanism positioned on the lower side of the second valve body, and the connecting pipe is provided with the auxiliary valve body mechanism positioned on the lower side of the valve body mechanism.

6. the empty capsule removing device for pharmaceutical production line as claimed in claim 5, wherein: the capsule discharging device comprises a third discharging pipe which is communicated with the left end face of the screening cavity and is positioned on the left lower side of the second discharging pipe, the left end face of the third discharging pipe is communicated with a third vacuum generator, the third discharging pipe is communicated with the suction inlet of the third vacuum generator, the exhaust port on the lower side of the third vacuum generator is communicated with the left storage cavity and is connected with a third conveying pipe, the connecting pipe is communicated with the air inlet of the second vacuum generator and is connected with an air conveying pipe, the air conveying pipe is provided with one valve body mechanism, three valve body mechanisms are communicated and connected with a three-way pipe, the air conveying pipe is provided with an auxiliary valve body mechanism positioned on the lower side of the valve body mechanism, the two auxiliary valve body mechanisms are communicated and connected with an air pipe, and the lower end face of the screening cavity is fixedly connected with an air cylinder positioned on the left side of the threaded rod, the air cylinder is internally provided with an air cavity, a sliding plug is connected in the air cavity in a sliding mode, a push rod which extends upwards into the screening cavity is fixedly connected to the end face of the upper side of the sliding plug, a push block which is located in the screening cavity is fixedly connected to the push rod, the push block can be abutted against the lifting plate, a spring is connected between the push block and the inner wall of the lower side of the screening cavity, and an auxiliary connecting pipe is communicated and connected between the air cavity and the air pipe.

7. The empty capsule removing device for pharmaceutical production line as claimed in claim 1, wherein: the locking device further comprises a gear which is fixedly connected to the rotating shaft and located on the rear side of the rotary disc, the gear is meshed with the rack, the telescopic cavity is fixedly connected with a slide rod which is far away from the end face of one side of the symmetric center, the slide rod is fixedly connected with a mass block which is located outside the end face of the rotary disc, the lifting block is located on the lower side of the third valve body, the connecting rod extends downwards to the outside of the end face of the stop block, a compression spring is connected between the slide block and the inner wall of the telescopic cavity which is far away from the end face of the symmetric center, the opening of the third valve body faces the right, an L-shaped hole is formed in the stop block, an auxiliary air pipe is communicated and connected between the left end face of the third valve body and the air pump, a connecting pipe is communicated and connected between the right end face of the, when the stop block is located lower limit, the auxiliary air pipe is not communicated with the connecting pipe, the connecting pipe accessible L shape hole with third valve body chamber right side opening communicates with each other, works as when the stop block is located upper limit, the auxiliary air pipe with the connecting pipe communicates with each other, L shape hole with the connecting pipe does not communicate with each other, the stop block with the sliding damping between the third valve body chamber inner wall is great, makes the stop block move down comparatively slowly, when the carousel rotated, the quality piece can promote the elevator block with stop the block shifts up, and makes stop the block and keep near upper limit, promptly the auxiliary air pipe with the connecting pipe communicates with each other, the connecting pipe with L does not communicate with each other.

8. The empty capsule removing device for pharmaceutical production line as claimed in claim 6, wherein: the valve body mechanism comprises a fourth valve body arranged on the gas pipe, the auxiliary gas pipe and the connecting pipe, a reset spring is arranged in the fourth valve body, an auxiliary slide block is connected in a sliding manner in the reset spring, a reset spring is connected between the auxiliary slide block and the inner wall of the right side of the fourth valve body cavity, the left end face of the fourth valve body cavity on the gas pipe is communicated and connected with one end of the three-way pipe, the right end face of the fourth valve body cavity on the auxiliary gas pipe and the connecting pipe is communicated and connected with one end of the three-way pipe, an auxiliary sliding plug is connected in the three-way pipe in a sliding manner, a connecting rod is fixedly connected between the auxiliary sliding plug and the auxiliary slide block, when the auxiliary slide block on the gas pipe is positioned at a right limit position, the gas pipe is not communicated with the auxiliary valve body mechanism, and when the auxiliary slide block on the gas pipe is positioned at a left limit position, the gas, when the connecting pipe and the auxiliary sliding block on the auxiliary gas pipe are positioned at the right limit position, the connecting pipe and the auxiliary gas pipe are not stopped, and when the connecting pipe and the auxiliary sliding block on the auxiliary gas pipe are positioned at the left limit position, the connecting pipe and the auxiliary gas pipe are stopped.

9. The empty capsule removing device for pharmaceutical production line as claimed in claim 8, wherein: the auxiliary valve body mechanism comprises a fifth valve body arranged on the gas pipe and the connecting pipe, a fifth valve body cavity communicated with the gas pipe or the connecting pipe is arranged in the fifth valve body, the right end face of the fifth valve body cavity is communicated with the gas pipe, an auxiliary stopping block is slidably connected in the fifth valve body cavity, a piston is slidably connected in the gas pipe, and an auxiliary connecting rod is fixedly connected between the piston and the auxiliary stopping block.

Technical Field

The invention relates to the technical field of empty shell capsule removal, in particular to an empty shell capsule removal device for a pharmaceutical production line.

Background

During the production of capsule medicines, the medicine powder is filled into the capsule by a filling machine, in the process, the medicine powder in the capsule can be scattered due to the vibration of the machine or debugging errors, empty capsules and capsules with substandard weight are produced, so the empty capsules and the capsules with substandard weight need to be discharged, the capsules with different weights can be blown into different storage places for storage due to the fact that the condition in the capsule cannot be directly observed, the existing screening device mainly applies transverse force to the falling capsules through air flow, so that the capsules with different weights have different parabolic motion tracks, but the included angle between the air flow and the falling capsule is not fixed, so that the force generated by the air flow to the capsules with the same weight is not necessarily the same, the capsule screening process is not accurate enough, and the screening error rate is high, the present invention sets forth an apparatus that solves the above problems.

Disclosure of Invention

The technical problem is as follows: the current screening device mainly screens the capsules through blowing, and because the capsules fall, an included angle between the capsules and air flow is not fixed, the capsule screening process is not accurate enough, and a large screening error rate exists.

In order to solve the problems, the embodiment designs the empty shell capsule removing device for the pharmaceutical production line, the empty shell capsule removing device for the pharmaceutical production line comprises three storage boxes from left to right, the rear side of each storage box is provided with an ordered conveying device, the rear end face of the left storage box is fixedly connected with a fixing rod, the front end face of the fixing rod is fixedly connected with a screening box positioned at the right side of the left storage box, a screening cavity is arranged in the screening box, an empty shell discharging device is arranged on the screening cavity, a discharging device positioned at the lower side of the empty shell discharging device is arranged on the screening cavity, the discharging device is used for discharging capsules which are not filled with medicaments, a capsule discharging device used for discharging normal capsules is arranged at the lower side of the discharging device, and a valve body mechanism is arranged in each of the empty shell discharging device, the discharging device and the capsule discharging device, the discharging device and the capsule discharging device are both internally provided with an auxiliary valve body mechanism, the lower side end face of the screening cavity is provided with a locking device, the locking device comprises a fixed plate fixedly connected to the lower side end face of the screening box, a third valve body fixedly connected to the lower side end face of the screening box and positioned at the front side of the fixed plate, a third valve body cavity arranged in the third valve body, a stop block slidably connected to the third valve body cavity, a connecting rod fixedly connected to the lower side end face of the stop block, a lifting block fixedly connected to the connecting rod, a rotating shaft rotatably connected to the front side end face of the fixed plate and extending forwards, a rotating disc fixedly connected to the rotating shaft, ten telescopic cavities distributed in the rotating disc in a circumferential array mode and provided with openings facing away from one side of a symmetric center, and a sliding block slidably connected to the telescopic cavities, in the process that the capsule moves downwards along the sieving cavity, the rotating disc can be rotated, so that the sliding block can move the lifting block upwards under the action of centrifugal force, the valve body mechanism can be closed, and the capsule is prevented from being discharged.

Preferably, a storage cavity with an upward opening is arranged in the storage box, and the capsule discharging device and the valve body mechanism on the discharging device are bilaterally symmetrical.

Wherein, orderly conveyor is including setting up in the left vibration dish of bin rear side, communicate with each other on the vibration dish front end face and be connected with vice conveying pipe, vice conveying pipe with it is connected with the conveying pipe to communicate with each other between the screening chamber, it extends and downwardly extending to rotate on the inner wall of conveying pipe downside the motor shaft outside the conveying pipe end face, power connection has fixed connection in the left on the motor shaft the dead lever on the bin rear end face, fixedly connected with is located on the motor shaft conveying impeller in the conveying pipe.

Wherein, the empty shell eduction gear includes sliding connection in the lifter plate on the inner wall of screening chamber, fixed connection has downwardly extending to the threaded rod outside the end face of screening chamber on the lower side end face of lifter plate, fixed connection has downwardly extending to the rack outside the end face of screening chamber and on the right side of the threaded rod on the lower side end face of lifter plate, threaded connection has the nut on the threaded rod and on the lower side of screening chamber, the nut and the end face of screening chamber lower side are connected with extension spring, through adjusting the position of the nut on the threaded rod, different initial elasticity of extension spring can be set, thereby realizing the empty capsule discharge to the capsule of different gravity, fixedly connected with on the inner wall of screening chamber left side is located the position switch of lifter plate upside, fixedly connected with on the end face of screening chamber right side with the communicating first discharge pipe in screening chamber, the device is characterized in that a first vacuum generator is connected to the end face of the right side of the first discharge pipe in a communicating manner, the first discharge pipe is connected to the suction inlet of the first vacuum generator in a communicating manner, the exhaust port on the lower side of the first vacuum generator is connected to the storage cavity on the right side of the first vacuum generator in a communicating manner, an air pump is fixedly connected to the end face of the left side of the screening cavity, a connecting pipe is connected to the exhaust device in a communicating manner, the connecting pipe is connected to the air inlet of the first vacuum generator in a communicating manner, an auxiliary air pipe is arranged on the auxiliary air pipe, a first valve body is arranged on the lower side of the valve body and fixedly connected to the end face of the lower side of the first discharge pipe on the auxiliary air pipe, a first valve body cavity is arranged in the first valve body and communicated with the auxiliary air pipe, an auxiliary blocking block is connected to the communicating pipe in a sliding manner, and an auxiliary spring is connected between the auxiliary blocking, fixedly connected with extends to on the terminal surface of vice shutoff piece left side the driven lever of screening intracavity, just the driven lever can with the lifter plate butt, when the driven lever is located left spacing department, by vice gas-supply pipe makes the connecting pipe with first vacuum generator does not communicate with each other.

Wherein, the discharging device comprises a second discharging pipe which is communicated with the screening cavity and is positioned at the lower side of the first discharging pipe, the right end face of the second discharging pipe is communicated with a second vacuum generator, the second discharging pipe is communicated with the suction inlet of the second vacuum generator, the exhaust outlet at the lower side of the second vacuum generator is communicated with the middle storage cavity and is connected with a second conveying pipe, the connecting pipe is communicated with the air inlet of the second vacuum generator, the connecting pipe is provided with a second valve body which is fixedly connected with the front end face of the first discharging pipe, the second valve body is internally provided with a second valve body cavity which is communicated with the connecting pipe, the second valve body cavity is internally and slidably connected with a blocking block, the left end face of the blocking block is fixedly connected with an auxiliary push rod which extends leftwards to the outer end face of the second valve body cavity, and the auxiliary push rod extends into the first valve body cavity and is fixedly connected with the right end face of the auxiliary blocking block, the connecting pipe is provided with the valve body mechanism positioned on the lower side of the second valve body, and the connecting pipe is provided with the auxiliary valve body mechanism positioned on the lower side of the valve body mechanism.

Wherein, the capsule discharging device comprises a third discharging pipe which is communicated and connected with the left end face of the screening cavity and is positioned at the lower side of the left side of the second discharging pipe, the left end face of the third discharging pipe is communicated and connected with a third vacuum generator, the third discharging pipe is communicated and connected with the suction inlet of the third vacuum generator, the exhaust port at the lower side of the third vacuum generator is communicated and connected with the left storage cavity and is connected with a third conveying pipe, the connecting pipe is communicated and connected with the air inlet of the second vacuum generator and is provided with a valve body mechanism, a three-way pipe is communicated and connected between the three valve body mechanisms, an auxiliary valve body mechanism positioned at the lower side of the valve body mechanism is arranged on the air conveying pipe, an air pipe is communicated and connected between the two auxiliary valve body mechanisms, a threaded rod positioned at the left side is fixedly connected with the lower end face of the screening cavity, the air cylinder is internally provided with an air cavity, a sliding plug is connected in the air cavity in a sliding mode, a push rod which extends upwards into the screening cavity is fixedly connected to the end face of the upper side of the sliding plug, a push block which is located in the screening cavity is fixedly connected to the push rod, the push block can be abutted against the lifting plate, a spring is connected between the push block and the inner wall of the lower side of the screening cavity, and an auxiliary connecting pipe is communicated and connected between the air cavity and the air pipe.

Wherein, the locking device also comprises a gear fixedly connected on the rotating shaft and positioned at the rear side of the rotary disc, the gear is meshed with the rack, the telescopic cavity is fixedly connected with a slide rod which is far away from the end surface of one side of the symmetric center, the slide rod is fixedly connected with a mass block which is positioned outside the end surface of the rotary disc, the lifting block is positioned at the lower side of the third valve body, the connecting rod extends downwards to the end surface of the stop block, a compression spring is connected between the slide block and the inner wall of the telescopic cavity which is far away from the symmetric center, the opening of the third valve body faces to the right, an L-shaped hole is arranged in the stop block, an auxiliary air pipe is communicated and connected between the left end surface of the third valve body and the air pump, a connecting pipe is communicated and connected between the right end surface of the third valve body and the three-way, when the stop block is located lower limit, the auxiliary air pipe is not communicated with the connecting pipe, the connecting pipe accessible L shape hole with third valve body chamber right side opening communicates with each other, works as when the stop block is located upper limit, the auxiliary air pipe with the connecting pipe communicates with each other, L shape hole with the connecting pipe does not communicate with each other, the stop block with the sliding damping between the third valve body chamber inner wall is great, makes the stop block move down comparatively slowly, when the carousel rotated, the quality piece can promote the elevator block with stop the block shifts up, and makes stop the block and keep near upper limit, promptly the auxiliary air pipe with the connecting pipe communicates with each other, the connecting pipe with L does not communicate with each other.

Wherein, the valve body mechanism comprises a fourth valve body arranged on the gas pipe, the auxiliary gas pipe and the connecting pipe, a reset spring is arranged in the fourth valve body, an auxiliary slide block is connected in the reset spring in a sliding way, a reset spring is connected between the auxiliary slide block and the inner wall of the right side of the fourth valve body cavity, the end surface of the left side of the fourth valve body cavity on the gas pipe is communicated and connected with one end of the three-way pipe, the end surface of the right side of the fourth valve body cavity on the auxiliary gas pipe and the connecting pipe is communicated and connected with one end of the three-way pipe, an auxiliary sliding plug is connected in the three-way pipe in a sliding way, a connecting rod is fixedly connected between the auxiliary sliding plug and the auxiliary slide block, when the auxiliary slide block on the gas pipe is positioned at a right limit position, the gas pipe is not communicated with the auxiliary valve body mechanism, and when the, the air delivery pipe is communicated with the auxiliary valve body mechanism, the connecting pipe and the auxiliary air delivery pipe are not stopped when the auxiliary sliding block on the connecting pipe and the auxiliary air delivery pipe is positioned at a right limit position, and the connecting pipe and the auxiliary air delivery pipe are stopped when the auxiliary sliding block on the connecting pipe and the auxiliary air delivery pipe is positioned at a left limit position.

the auxiliary valve body mechanism comprises a fifth valve body arranged on the gas pipe and the connecting pipe, a fifth valve body cavity communicated with the gas pipe or the connecting pipe is arranged in the fifth valve body, the right end face of the fifth valve body cavity is communicated with the gas pipe, an auxiliary stopping block is connected in the fifth valve body cavity in a sliding mode, a piston is connected in the gas pipe in a sliding mode, and an auxiliary connecting rod is fixedly connected between the piston and the auxiliary stopping block.

The invention has the beneficial effects that: the invention can realize orderly feeding of single capsules by the vibrating disk and the feeding mechanism, the screening device drives the lifting plate to move downwards by the gravity of the capsules, the capsules with different weights move downwards to different adsorption channels, and the lifting plate can be locked by the locking mechanism to rotate in the downward moving process, so that the negative pressure adsorption device is not communicated with the air pump, the capsules are prevented from being adsorbed by the negative pressure adsorption device by mistake, when the capsules move to the corresponding negative pressure adsorption device by the gravity, the valve body at the corresponding negative pressure adsorption device is triggered to open, the capsules are adsorbed and discharged to the corresponding storage position by the corresponding negative pressure adsorption device, the empty capsules, the capsules with substandard weight and the normal capsules can be screened by the three negative pressure adsorption devices, the problem of low accuracy in the capsule screening by single air flow blowing is avoided, therefore, the invention has higher capsule screening accuracy, the screening error rate is low, and empty capsules, capsules with substandard weight and normal capsules can be screened.

drawings

for ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view showing the overall structure of a vacant capsule removing apparatus for pharmaceutical production line according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;

FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 2;

FIG. 5 is an enlarged view of the structure at "D" of FIG. 1;

FIG. 6 is an enlarged view of the structure at "E" of FIG. 5;

FIG. 7 is an enlarged view of the structure at "F" of FIG. 5;

FIG. 8 is an enlarged view of the structure at "G" of FIG. 5;

Fig. 9 is an enlarged view of the structure at "H" of fig. 5.

Detailed Description

the present invention will be described in detail with reference to fig. 1 to 9, and for the sake of convenience of description, the following orientations will be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a vacant capsule removing device for a pharmaceutical production line, which is mainly applied to the removal of vacant capsules, and the invention is further explained by combining the attached drawings of the invention:

The invention relates to a vacant shell capsule removing device for a pharmaceutical production line, which comprises three storage boxes 11 from left to right, wherein the rear sides of the storage boxes 11 are provided with orderly conveying devices 101 for orderly arranging and conveying capsules, the rear side end face of the storage box 11 on the left side is fixedly connected with a fixed rod 88, the front side end face of the fixed rod 88 is fixedly connected with a screening box 15 on the right side of the storage box 11 on the left side, a screening cavity 16 is arranged in the screening box 15, a vacant shell discharging device 102 for discharging vacant capsules is arranged on the screening cavity 16, a discharging device 103 arranged on the lower side of the vacant shell discharging device 102 is arranged on the screening cavity 16, the discharging device 103 is used for discharging capsules which are not filled with medicaments, a capsule discharging device 104 for discharging normal capsules is arranged on the lower side of the discharging device 103, and a valve body mechanism 106 is arranged in each of the vacant shell discharging device 102, the discharging device 103 and the capsule discharging device 104, the discharging device 103 and the capsule discharging device 104 are both provided with an auxiliary valve body mechanism 107, the screening chamber 16 is provided with a locking device 105 on the lower end face, the locking device 105 comprises a fixing plate 63 fixedly connected to the lower end face of the screening box 15, a third valve body 24 fixedly connected to the lower end face of the screening box 15 and located at the front side of the fixing plate 63, a third valve body cavity 57 arranged in the third valve body 24, a stop block 59 slidably connected to the third valve body cavity 57, a connecting rod 61 fixedly connected to the lower end face of the stop block 59, a lifting block 62 fixedly connected to the connecting rod 61, a rotating shaft 47 rotatably connected to the front end face of the fixing plate 63 and extending forwards, a rotating disc 41 fixedly connected to the rotating shaft 47, and ten telescopic cavities 45 with openings facing away from the symmetrical center side and distributed in the rotating disc 41 and with ten circumferential arrays, The sliding block 46 is slidably connected in the telescopic cavity 45, and the rotating disc 41 can be rotated during the capsule moving down along the sieving cavity 16, so that the sliding block 46 can move the lifting block 62 up under the action of centrifugal force, and the valve body mechanism 106 can be closed to prevent the capsule from being discharged.

advantageously, the storage chamber 12 is provided with an upward opening in the storage box 11, and the capsule discharge device 104 and the valve body mechanism 106 of the discharge device 103 are bilaterally symmetrical.

According to the embodiment, the ordered delivery device 101 is described in detail below, the ordered delivery device 101 includes a vibration tray 89 disposed at the rear side of the left storage box 11, a secondary feeding pipe 85 is connected to the front end face of the vibration tray 89, a feeding pipe 84 is connected between the secondary feeding pipe 85 and the screening chamber 16, a motor shaft 86 extending up and down and extending down to the end face of the feeding pipe 84 is rotatably connected to the inner wall of the lower side of the feeding pipe 84, a fixing rod 88 fixedly connected to the rear end face of the left storage box 11 is connected to the motor shaft 86 by power, a delivery impeller 83 located in the feeding pipe 84 is fixedly connected to the motor shaft 86, capsules in the vibration tray 89 can be orderly arranged and delivered to the secondary feeding pipe 85 and fall into the feeding pipe 84 by the vibration tray 89, and the motor shaft 86 and the delivery impeller 83 are driven by the motor 87 to rotate a quarter turn to achieve full-round Now the function of delivering capsules individually in sequence.

According to the embodiment, the empty shell discharging device 102 is described in detail below, the empty shell discharging device 102 comprises a lifting plate 17 slidably connected to the inner wall of the sieving chamber 16, a threaded rod 32 extending downward from the end surface of the sieving chamber 16 is fixedly connected to the lower end surface of the lifting plate 17, a rack 33 extending downward from the end surface of the sieving chamber 16 and located at the right side of the threaded rod 32 is fixedly connected to the lower end surface of the lifting plate 17, a nut 48 located at the lower side of the sieving chamber 16 is threadedly connected to the threaded rod 32, an extension spring 49 is connected between the nut 48 and the lower end surface of the sieving chamber 16, different initial elastic forces of the extension spring 49 can be set by adjusting the position of the nut 48 on the threaded rod 32, so as to realize the empty capsule discharging of different weights, a position switch 30 located at the upper side of the lifting plate 17 is fixedly connected to the inner wall at the left side of the sieving chamber 16, fixedly connected with on the terminal surface of the right side of screening chamber 16 with the communicating first exhalant line 18 in screening chamber 16, communicate with each other on the terminal surface of the right side of first exhalant line 18 and be connected with first vacuum generator 37, just first exhalant line 18 with the suction inlet of first vacuum generator 37 communicates with each other and is connected, the gas vent of first vacuum generator 37 downside and right side store chamber 12 and communicate with each other and be connected with first conveyer pipe 38, fixedly connected with air pump 27 on the terminal surface of the left side of screening chamber 16, air pump 27 with eduction gear 103 communicate with and be connected with connecting pipe 28, connecting pipe 28 with first vacuum generator 37 air inlet communicates with and is connected with vice gas-supply pipe 35, be equipped with one on vice gas-supply pipe 35 valve body mechanism 106, be equipped with on vice gas-supply pipe 35 be located valve body mechanism 106 downside and fixed connection with first valve body 75 on the terminal surface of the downside of first exhalant line 18, a first valve body cavity 76 communicated with the auxiliary air pipe 35 is arranged in the first valve body 75, an auxiliary blocking block 78 is connected in the communicating pipe 67 in a sliding manner, an auxiliary spring 77 is connected between the auxiliary blocking block 78 and the inner wall of the right side of the first valve body cavity 76, a driven rod 79 extending into the screening cavity 16 is fixedly connected to the left end face of the auxiliary plugging block 78, and the driven rod 79 can be abutted with the lifting plate 17, when the driven rod 79 is positioned at the left limit position, the auxiliary gas pipe 35 is cut off to prevent the connecting pipe 28 from communicating with the first vacuum generator 37, the air pump 27 generates air flow which is conveyed into the first vacuum generator 37 through the connecting pipe 28 and the auxiliary air conveying pipe 35 to enable the first discharge pipe 18 to generate negative pressure to adsorb empty capsules, thereby achieving the discharge of the empty capsule to the right through the first delivery tube 38 into the storage chamber 12.

according to the embodiment, the discharging device 103 is described in detail below, the discharging device 103 includes a second discharging pipe 19 connected to the sieving chamber 16 and located below the first discharging pipe 18, a second vacuum generator 40 is connected to a right side end surface of the second discharging pipe 19, the second discharging pipe 19 is connected to a suction port of the second vacuum generator 40, a discharge port of the second vacuum generator 40 is connected to the storage chamber 12, a second delivery pipe 20 is connected to a lower side end surface of the second vacuum generator 40, the connecting pipe 28 is connected to a suction port of the second vacuum generator 40, a second valve body 36 fixedly connected to a front end surface of the first discharging pipe 18 is provided on the connecting pipe 28, a second valve body chamber 80 connected to the connecting pipe 28 is provided in the second valve body 36, and a blocking block 81 is slidably connected to the second valve body chamber 80, an auxiliary push rod 74 extending leftwards to the outside of the end face of the second valve body cavity 80 is fixedly connected to the left end face of the blocking block 81, the auxiliary push rod 74 extends into the first valve body cavity 76 and is fixedly connected with the right end face of the auxiliary blocking block 78, a valve body mechanism 106 located on the lower side of the second valve body 36 is arranged on the connecting pipe 28, an auxiliary valve body mechanism 107 located on the lower side of the valve body mechanism 106 is arranged on the connecting pipe 28, the air pump 27 generates air flow and transmits the air flow into the second vacuum generator 40 through the connecting pipe 28, so that the second discharge pipe 19 generates negative pressure to adsorb a capsule which is not filled with a set weight medicament, and the capsule is discharged into the storage cavity 12 in the middle through the second delivery pipe 20.

According to the embodiment, the capsule discharging device 104 is described in detail below, the capsule discharging device 104 includes a third discharging pipe 13 connected to the left end surface of the sieving chamber 16 and located at the left lower side of the second discharging pipe 19, a third vacuum generator 14 is connected to the left end surface of the third discharging pipe 13, the third discharging pipe 13 is connected to the suction inlet of the third vacuum generator 14, the exhaust outlet at the lower side of the third vacuum generator 14 is connected to the left storage chamber 12, a third conveying pipe 26 is connected to the connecting pipe 28, an air pipe 29 is connected to the air inlet of the second vacuum generator 40, one valve body mechanism 106 is provided on the air pipe 29, a three-way pipe 21 is connected to the three valve body mechanisms 106, an auxiliary valve body mechanism 107 located at the lower side of the valve body mechanism 106 is provided on the air pipe 29, an air pipe 22 is connected between the two auxiliary valve body mechanisms 107, an air cylinder 51 positioned on the left side of the threaded rod 32 is fixedly connected on the lower side end face of the sieving cavity 16, an air cavity 52 is arranged in the air cylinder 51, a sliding plug 53 is connected in the air cavity 52 in a sliding manner, a push rod 54 extending upwards into the sieving cavity 16 is fixedly connected on the upper side end face of the sliding plug 53, a push block 56 positioned in the sieving cavity 16 is fixedly connected on the push rod 54, the push block 56 can be abutted against the lifting plate 17, a spring 55 is connected between the push block 56 and the lower side inner wall of the sieving cavity 16, an auxiliary connecting pipe 50 is connected between the air cavity 52 and the air pipe 22 in a communicating manner, the air pump 27 generates air flow, and the air flow is conveyed into the third vacuum generator 14 through the connecting pipe 28 and the air pipe 29, so that the third discharge pipe 13 generates negative pressure to adsorb normal capsules, so as to effect the ejection of the capsules into the storage chamber 12 on the left through the third delivery duct 26.

According to the embodiment, the locking device 105 is described in detail below, the locking device 105 further includes a gear 82 fixedly connected to the rotating shaft 47 and located at the rear side of the rotating disc 41, the gear 82 is engaged with the rack 33, the telescopic cavity 45 is fixedly connected with a slide rod 43 on the end surface of the side away from the center of symmetry, the slide rod 43 is fixedly connected with a mass block 42 located outside the end surface of the rotating disc 41, the elevator block 62 is located at the lower side of the third valve body 24, the connecting rod 61 extends downward out of the end surface of the cut-off block 59, a compression spring 44 is connected between the slide block 46 and the inner wall of the telescopic cavity 45 on the side away from the center of symmetry, the third valve cavity 57 is opened to the right, an L-shaped hole 58 is formed in the cut-off block 59, a secondary air pipe 60 is connected between the left end surface of the third valve cavity 57 and the air pump 27, a connecting pipe 23 is connected between the right end surface of the, the connecting tube 23 is located at the lower side of the right opening of the third valve chamber 57, the cut-off block 59 is located at the lower limit position, the auxiliary air tube 60 is not communicated with the connecting tube 23, the connecting tube 23 can be communicated with the right opening of the third valve chamber 57 through the L-shaped hole 58, when the cut-off block 59 is located at the upper limit position, the auxiliary air tube 60 is communicated with the connecting tube 23, the L-shaped hole 58 is not communicated with the connecting tube 23, the sliding damping between the cut-off block 59 and the inner wall of the third valve chamber 57 is large, so that the cut-off block 59 moves downwards slowly, when the rotating disc 41 rotates, the mass block 42 can push the lifting block 62 and the cut-off block 59 to move upwards and keep the cut-off block 59 near the upper limit position, namely, the auxiliary air tube 60 is communicated with the connecting tube 23, and the connecting tube 23 is not communicated with the L-shaped hole 58, in the process that the rack 33 moves downwards, the gear 82 is driven to rotate through meshing connection, so that the turntable 41 is driven to rotate, the mass block 42 moves towards one side away from the symmetry center and pushes the lifting block 62 to move upwards by the centrifugal force generated by the rotation of the turntable 41, the auxiliary air pipe 60 pushes the lifting block 62 to move upwards so that the auxiliary air pipe 60 is communicated with the connecting pipe 23, the air flow generated by the air pump 27 is conveyed into the valve body mechanism 106 through the auxiliary air pipe 60, the connecting pipe 23 and the three-way pipe 21, the valve body mechanism 106 is closed, the air flow cannot enter the third vacuum generator 14, the second vacuum generator 40 and the first vacuum generator 37, and the capsule is prevented from being adsorbed and discharged by negative pressure in the process that the lifting plate 17 is driven to move downwards by gravity.

According to the embodiment, the valve body mechanism 106 is described in detail below, the valve body mechanism 106 includes a fourth valve body 34 disposed on the air pipe 29, the auxiliary air pipe 35 and the connecting pipe 28, a return spring 69 is disposed in the fourth valve body 34, an auxiliary slider 70 is slidably connected to the return spring 69, the return spring 69 is connected between the auxiliary slider 70 and the right inner wall of the fourth valve body cavity 68, the left end surface of the fourth valve body cavity 68 on the air pipe 29 is connected to one end of the three-way pipe 21, the right end surface of the fourth valve body cavity 68 on the auxiliary air pipe 35 and the connecting pipe 28 is connected to one end of the three-way pipe 21, an auxiliary sliding plug 72 is slidably connected to the three-way pipe 21, a connecting rod 71 is fixedly connected between the auxiliary sliding plug 72 and the auxiliary slider 70, when the auxiliary slider 70 on the air pipe 29 is located at the limit position, the air pipe 29 is not communicated with the auxiliary valve body mechanism 107, when the auxiliary slide block 70 on the air pipe 29 is positioned at a left limit position, the air pipe 29 is communicated with the auxiliary valve body mechanism 107, when the auxiliary slide block 70 on the connecting pipe 28 and the auxiliary air pipe 35 is positioned at a right limit position, the connecting pipe 28 and the auxiliary air pipe 35 are not cut off, when the auxiliary slide block 70 on the connecting pipe 28 and the auxiliary air pipe 35 is positioned at a left limit position, the connecting pipe 28 and the auxiliary air pipe 35 are cut off, air flow is conveyed into the fourth valve body 34 through the three-way pipe 21, the auxiliary slide block 70 on the air pipe 29 is pushed to move to the right limit position, when the connecting pipe 28 and the auxiliary slide block 70 on the auxiliary air pipe 35 are positioned at the left limit position, the air pipe 29, the connecting pipe 28 and the auxiliary air pipe 35 are in a cut-off state, so that the air flow in the air pump 27 cannot enter the third vacuum generator 14, the second vacuum generator 40 and the first vacuum generator 37.

according to the embodiment, the following detailed description will be made on the sub valve body mechanism 107, where the sub valve body mechanism 107 includes a fifth valve body 64 disposed on the air pipe 29 and the connecting pipe 28, a fifth valve body cavity 66 communicated with the air pipe 29 or with the connecting pipe 28 is disposed in the fifth valve body 64, a right end face of the fifth valve body cavity 66 is communicated with the air pipe 22, a sub stop block 65 is slidably connected in the fifth valve body cavity 66, a piston 73 is slidably connected in the air pipe 22, a sub link rod 39 is fixedly connected between the piston 73 and the sub stop block 65, when the sub stop block 65 on the air pipe 29 is located at a left limit position, the air pipe 29 is stopped, when the sub stop block 65 on the connecting pipe 28 is located at a right limit position, the connecting pipe 28 is stopped, when the sub stop block 65 on the air pipe 29 is located at a right limit position, the air pipe 29 is not cut off, and when the auxiliary cut-off block 65 on the connecting pipe 28 is positioned at the left limit position, the connecting pipe 28 is not cut off.

The use steps of a capsule removing device for empty capsule in pharmaceutical production line are described in detail below with reference to fig. 1 to 9:

At the beginning, the nut 48 is manually adjusted on the threaded rod 32, the initial elasticity of the extension spring 49 is set, under the action of the extension spring 49, the lifting plate 17 is positioned at the upper limit and is contacted with the position switch 30, under the action of the return spring 69, the auxiliary blocking block 78 and the blocking block 81 are positioned at the left limit to stop the auxiliary air pipe 35, the connecting pipe 28 is communicated with the fourth valve cavity 68 on the connecting pipe 28, the auxiliary sliding block 70 on the air pipe 29 is positioned at the left limit, the connecting pipe 28 and the auxiliary sliding block 70 on the auxiliary air pipe 35 are positioned at the right limit, the spring 55 enables the push block 56 to be positioned at the upper limit, the auxiliary blocking block 65 on the air pipe 29 is positioned at the left limit, the auxiliary blocking block 65 on the connecting pipe 28 is positioned at the left limit, under the action of the compression spring 44, the sliding block 46 is positioned at the limit at the side close to the symmetric center, and the blocking block 59 is positioned.

When the capsule sorting machine works, the air pump 27 is started, the vibrating disc 89 is started to orderly arrange capsules and then convey the capsules into the 8 telescopic cavities 45, the starting motor 87 drives the motor shaft 86 and the conveying impeller 83 to rotate for a quarter turn to convey one capsule into the screening cavity 16 and fall onto the lifting plate 17, the capsules drive the lifting plate 17 to move downwards under the action of gravity, the lifting plate 17 is connected with the gear 82 to rotate through meshing in the downward moving process, the gear 82 drives the rotating shaft 47 and the rotating disc 41 to rotate, the centrifugal force generated by the rotation of the rotating disc 41 enables the mass block 42 to move towards one side far away from the symmetric center and pushes the lifting block 62 to move upwards, the lifting block 62 drives the stopping block 59 to move upwards to the vicinity of the upper limit position through the connecting rod 61, the auxiliary air pipe 60 is communicated with the connecting pipe 23, part of air flow generated by the air pump 27 is conveyed into the three-way pipe 21 through the auxiliary air pipe 60 and the connecting pipe 23, so that the auxiliary slide block 70 on the air pipe 29 moves to the right limit position, the air pipe 29 is stopped, the connecting pipe 28 and the auxiliary slide block 70 on the auxiliary air pipe 35 move to the left limit position, the connecting pipe 28 and the auxiliary air pipe 35 are stopped, the air flow in the air pump 27 cannot enter the third vacuum generator 14, the second vacuum generator 40 and the first vacuum generator 37, if the capsule is empty, the lifting plate 17 moves downwards until the driven rod 79 abuts against the empty capsule, the rack 33 stops moving downwards, the slide block 46 resets under the action of the compression spring 44, the stop block 59 moves downwards and resets, the compressed air in the three-way pipe 21 is discharged through the connecting pipe 23, the L-shaped hole 58 and the opening on the right side of the third body cavity 57, the auxiliary slide block 70 resets under the action of the reset spring 69, the lifting plate 17 pushes the driven rod 79 to move to the right limit position, the driven rod 79 drives the sealing block 81 to move to the right limit position through the auxiliary push rod 74, the connecting tube 28 is not communicated with the fourth valve cavity 68 on the connecting tube 28, the air flow in the air pump 27 is conveyed into the first vacuum generator 37 through the connecting tube 28, the fourth valve cavity 68 on the auxiliary air conveying pipe 35, the first valve cavity 76 and the auxiliary air conveying pipe 35, so that the first vacuum generator 37 and the first exhaust pipe 18 are communicated to generate negative pressure, empty capsules in the sieving cavity 16 are adsorbed into the first vacuum generator 37 through the first exhaust pipe 18 and conveyed into the storage cavity 12 on the right side through the first conveying pipe 38 to be stored, the empty capsules are discharged, if the weight of the capsules is not reached, the lifting plate 17 moves downwards to the opening of the second exhaust pipe 19 on the lower side of the driven rod 79, the auxiliary sealing block 78 and the sealing block 81 are positioned at the left limit position, the connecting tube 28 is not communicated with the first vacuum generator 37, the connecting tube 28 is communicated with the second vacuum generator 40, and the air flow in the air pump 27 is communicated with the connecting tube 28, the second valve cavity 80 and the second valve cavity 80, The fourth valve body cavity 68 on the connecting pipe 28 and the fifth valve body cavity 66 on the connecting pipe 28 are conveyed into the second vacuum generator 40, so that the second discharge pipe 19 generates negative pressure to adsorb capsules, and the capsules are conveyed into the storage cavity 12 in the middle through the second conveying pipe 20, so as to realize the discharge of the capsules with unqualified weight, if the capsules are normal weight capsules, the lifting plate 17 moves to the lower limit position to be abutted against the push block 56 and drive the push block 56 to move downwards to the lower limit position, the sliding plug 53 moves downwards in the air cavity 52 to generate air flow which is conveyed into the air pipe 22 through the auxiliary connecting pipe 50 and push the piston 73 and the auxiliary connecting rod 39 to move rightwards to the right limit position, so that the air pump 27 is communicated with the third vacuum generator 14, the connecting pipe 28 is not communicated with the second vacuum generator 40, the air flow in the air pump 27 is conveyed into the third vacuum generator 14 through the air conveying pipe 29, the fourth valve body cavity 68 on the air conveying pipe 29 and the fifth valve body cavity 66 on the, the third discharge pipe 13 generates negative pressure to adsorb capsules and conveys the capsules into the left storage cavity 12 through the third conveying pipe 26, so that empty capsules and capsules with unqualified weight can be screened and removed, the air pump 27 stops rotating after the capsules are discharged, the lifting plate 17 moves upwards under the action of the extension spring 49 to reset, the lifting plate 17 is in contact with the position switch 30 after resetting, and the position switch 30 generates a signal to enable the vibration disc 89 and the motor 87 to work again to carry out the next screening work.

The invention has the beneficial effects that: the invention can realize orderly feeding of single capsules by the vibrating disk and the feeding mechanism, the screening device drives the lifting plate to move downwards by the gravity of the capsules, the capsules with different weights move downwards to different adsorption channels, and the lifting plate can be locked by the locking mechanism to rotate in the downward moving process, so that the negative pressure adsorption device is not communicated with the air pump, the capsules are prevented from being adsorbed by the negative pressure adsorption device by mistake, when the capsules move to the corresponding negative pressure adsorption device by the gravity, the valve body at the corresponding negative pressure adsorption device is triggered to open, the capsules are adsorbed and discharged to the corresponding storage position by the corresponding negative pressure adsorption device, the empty capsules, the capsules with substandard weight and the normal capsules can be screened by the three negative pressure adsorption devices, the problem of low accuracy in the capsule screening by single air flow blowing is avoided, therefore, the invention has higher capsule screening accuracy, the screening error rate is low, and empty capsules, capsules with substandard weight and normal capsules can be screened.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.