CN107720658B

CN107720658B - Cap screwing machine

Info

Publication number: CN107720658B
Application number: CN201711087659.5A
Authority: CN
Inventors: 降富杰
Original assignee: Wenzhou Lianteng Packaging Machinery Co ltd
Current assignee: Wenzhou Lianteng Packaging Machinery Co ltd
Priority date: 2017-11-09
Filing date: 2017-11-09
Publication date: 2023-03-14
Anticipated expiration: 2037-11-09
Also published as: CN107720658A

Abstract

The invention relates to a cap screwing machine, in particular to a cap screwing machine with a simple structure, which comprises a shaft sleeve rotating in a matching way with a motor, wherein the bottom of the shaft sleeve is provided with a check ring for a plurality of connecting columns to pass through, two ends of each connecting column are respectively and symmetrically and fixedly connected with two fixing plates and are divided into an upper fixing plate and a lower fixing plate, and a return spring is arranged at the connecting column position between the check ring and the upper fixing plate; the device comprises a seat body fixedly connected with the bottom of a lower fixed plate, wherein a gear assembly meshed with a clamp is arranged in the seat body, and guide grooves for the motion of the clamp are symmetrically arranged on two sides of the seat body; the bottle cap clamp adopts a structural form that the rack and the gear are matched, the structure is simple, the manufacturing cost is low, meanwhile, the clamp can be adjusted according to different bottle cap sizes, the operation is simple, and the cost is saved.

Description

Cap screwing machine

Technical Field

The invention relates to a cap screwing machine, in particular to a cap screwing machine with a simple structure.

Background

The cap screwing machine is also called a cap sealing machine, a capping machine or a cap locking machine, is mainly used for plastic bottles and glass bottles, and is widely applied.

However, the capping machines on the market at present are generally large in machine type and complex in structure, most capping machines cannot be adjusted according to the size of a bottle cap, and a whole set of clamps is replaced, so that the capping machines are inconvenient to use, and the maintenance cost is increased; and a rubber pad is still put into to some spiral cover machine adopts the motor bottom, carries out the spiral cover through the frictional force at rubber pad and bottle lid top, and this kind of structure work efficiency is low, and the qualification rate is not high, and the spoilage of rubber pad is high, has increased the cost.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a cap screwing machine.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a cap screwing machine is characterized by comprising a shaft sleeve rotating in a matching way with a motor, wherein the bottom of the shaft sleeve is provided with a check ring for a plurality of connecting columns to pass through, two ends of each connecting column are respectively and symmetrically and fixedly connected with two fixing plates and are divided into an upper fixing plate and a lower fixing plate, and a return spring is arranged at the connecting column position between the check ring and the upper fixing plate; the device comprises a seat body fixedly connected with the bottom of a lower fixed plate, wherein a gear assembly meshed with a clamp is arranged in the seat body, and guide grooves for the motion of the clamp are symmetrically arranged on two sides of the seat body; the device comprises a cylinder for reciprocating motion of a sleeve column, wherein the sleeve column penetrates through a shaft sleeve and a lower fixing plate and is matched and rotated with the shaft sleeve, and teeth are arranged at the bottom of the sleeve column and are meshed with a gear assembly.

The teeth on the sleeve column are symmetrically arranged in two rows, the gear assembly comprises two gears, the teeth of the sleeve column are positioned between the two gears and are respectively meshed with the two gears, and the two gears are symmetrically fixed in the seat body through connecting rods.

The clamp comprises two clamping seats and two claw arms, the clamping seats and the claw arms are fixedly connected through screws, and teeth are arranged at the tops of the two clamping seats and are meshed with the bottoms of the two gears respectively.

The claw arm is provided with an adjusting hole for adjusting the relative distance between the claw arm and the clamping seat relative to the fixed connection position of the claw arm and the clamping seat, and the clamping seat and the claw arm adjust the relative distance between the claw arm and the clamping seat through the matching of a screw and the adjusting hole.

And a bearing column for mounting a bearing is arranged at the top of the sleeve column.

And a bearing is arranged on the connecting rod.

The invention has the beneficial effects that: the clamp adopts a structural form that the rack is matched with the gear, has simple structure and low manufacturing cost, can be adjusted according to different bottle cap sizes, is simple to operate, and saves the cost.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cooperating structure of the clamp, the shaft sleeve, the fixing plate, the gear assembly and the sleeve column of the present invention;

FIG. 3 is a front elevational view of the clamp, bushing, mounting plate, gear assembly and bushing of the present invention in combination;

fig. 4 is a schematic view of the claw arm structure of the present invention.

Detailed Description

As shown in fig. 1 to 4, a cap screwing machine includes a shaft sleeve 100 rotating in cooperation with a motor, a retainer ring 110 for a plurality of connecting columns 230 to pass through is disposed at the bottom of the shaft sleeve 100, two ends of the connecting columns 230 are respectively and symmetrically fixedly connected with two fixing plates 200 and are divided into an upper fixing plate 210 and a lower fixing plate 220, and a return spring 240 is disposed at the connecting column 230 between the retainer ring 110 and the upper fixing plate 210; the gear assembly comprises a seat body 300 fixedly connected with the bottom of a lower fixing plate 220, wherein a gear assembly 500 meshed with a clamp 400 is arranged in the seat body 300, and guide grooves 310 for the motion of the clamp 400 are symmetrically arranged on two sides of the seat body 300; the telescopic column comprises a cylinder for the reciprocating motion of the telescopic column 600, the top of the base body 300 is provided with a through hole for the telescopic column 600 to enter, the telescopic column 600 penetrates through the shaft sleeve 100 and the lower fixing plate 220 and is matched with the shaft sleeve 100 to rotate, the bottom of the telescopic column 600 is provided with teeth and is meshed with the gear assembly 500, under the action of the return spring 240, the fixing plate 200 has elastic restoring force, the shaft sleeve 100, the fixing plate 200 and the base body 300 are connected with each other to enable the telescopic column 600 and the clamp 400 to rotate simultaneously under the driving of a motor, and the telescopic column 600 reciprocates in the shaft sleeve 100 under the required condition in the rotating process.

The teeth on the column sleeve 600 are arranged in two symmetrical rows, the gear assembly 500 comprises two gears 510, the teeth of the column sleeve 600 are positioned between the two gears 510 and are respectively meshed with the two gears 510, the two gears 510 are symmetrically fixed in the base 300 through the connecting rod 520, and the column sleeve 600 drives the two gears 510 to reversely rotate when reciprocating up and down.

The clamp 400 comprises two clamping seats 410 and two claw arms 420, the clamping seats 410 and the claw arms 420 are fixedly connected through screws, teeth are arranged at the tops of the two clamping seats 410 and are respectively meshed with the bottoms of the two gears 510, in order to increase the connection reliability of the clamping seats 410 and the claw arms 420, the clamping seats 410 and the claw arms 420 can be matched and fixed in a bolt mode through concave-convex structures and are fastened through screws, and the two claw arms 420 are provided with anti-skidding teeth to increase the friction force between the claw arms 420 and a bottle cap.

The claw arms 420 are provided with adjusting holes 421 for adjusting the relative distance between the claw arms 420 and the clamping seats 410 relative to the fixed connection positions of the clamping seats 410, the clamping seats 410 and the claw arms 420 adjust the relative distance between the claw arms 420 and the clamping seats 410 through the matching of screws and the adjusting holes 421, and the adjusting holes 421 are used for adjusting the relative distance between the two claw arms 420 to adapt to bottle caps with different diameters, so that the fine adjustment effect is achieved.

The top of the sleeve column 600 is provided with a bearing column 610 for mounting a bearing, the bearing column 610 is used for mounting a bearing, and the bearing is connected with the cylinder, so that the sleeve column 600 can rotate along with the shaft sleeve 100 while reciprocating.

The connecting rod 520 is provided with a bearing to allow the gear 510 to operate better, and one side of the base 300 is provided with a mounting hole 320 for mounting the connecting rod 520.

Before use, the clamping seat 410 and the claw arms 420 are matched with each other through screws and adjusting holes 421 to adjust the relative distance between the claw arms 420 and the clamping seat 410 so as to adapt to bottle caps with different diameters; when the bottle cap screwing machine works, the whole set of the bottle cap screwing machine is controlled by a hydraulic rod to reciprocate up and down, when a bottle cap falls into the projection center of the whole set of the bottle cap screwing machine, the hydraulic rod enables the whole set of the bottle cap screwing machine to move towards the bottle cap, at the moment, the whole set of the bottle cap screwing machine is driven by a motor to rotate continuously, a sleeve column 600 rotates along with a shaft sleeve 100 under the matching of a bearing, when a clamp 400 reaches the bottle cap surface, the hydraulic rod stops working, the sleeve column 600 moves upwards in the shaft sleeve 100 under the action of an air cylinder, the clamp 400 rotates continuously to screw the bottle cap because teeth of a clamp seat 410 and the sleeve column 600 are meshed with two gears 510, the clamp 400 is tightened inwards under the action of the sleeve column 600, when the clamp 400 is tightened to the opening and closing angle of a rotatable bottle cap, the sleeve column 600 stops moving, the clamp 400 rotates to screw the bottle cap continuously, in the process that the clamp 400 screws the bottle cap and a bottle cap opening are matched with threads, a height difference is formed, the clamp seat 400, the clamp seat 300 and the fixed plate 200 and the shaft sleeve 100 and the spring seat 240 deform, the clamp 400 gradually deforms inwards, and increases the friction force for screwing the bottle cap, and tells that the bottle cap screwing force is larger the bottle cap needs to be screwed to return; after the work of rotating the bottle lid is accomplished, the sleeve column 600 moves downwards, the clamp 400 opens gradually, at this moment, because the return spring 240 deforms, the lower fixing plate 220 is forced to draw close to the direction of the retainer ring 110 to enable the lower fixing plate 220 to be attached to the retainer ring 110, the next cycle work is waited, and the hydraulic rod enables the whole set of cap screwing machine to move upwards to the initial height.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and substitutions may be made by one of ordinary skill in the art without departing from the spirit and scope of the invention.

Claims

1. A cap screwing machine is characterized by comprising a shaft sleeve rotating in a matched manner with a motor, wherein the bottom of the shaft sleeve is provided with a retaining ring for a plurality of connecting columns to pass through, two ends of each connecting column are respectively and symmetrically and fixedly connected with two fixing plates and are divided into an upper fixing plate and a lower fixing plate, and a return spring is arranged at the connecting column position between the retaining ring and the upper fixing plate; the device comprises a seat body fixedly connected with the bottom of a lower fixed plate, wherein a gear assembly meshed with a clamp is arranged in the seat body, and guide grooves for the motion of the clamp are symmetrically arranged on two sides of the seat body; including supplying the cylinder of cover post reciprocating motion, the cover post link up axle sleeve and bottom plate and with the axle sleeve cooperation rotation, the bottom of cover post is equipped with the tooth and meshes with the gear assembly.

2. The cap screwing machine as claimed in claim 1, wherein the teeth of the sleeve column are arranged in two symmetrical rows, the gear assembly comprises two gears, the teeth of the sleeve column are positioned between the two gears and are respectively engaged with the two gears, and the two gears are symmetrically fixed in the seat body through the connecting rod.

3. The cap screwing machine as claimed in claim 2, wherein the clamp comprises two clamping seats and two claw arms, the clamping seats and the claw arms are fixedly connected through screws, and the tops of the two clamping seats are provided with teeth and are respectively meshed with the bottoms of the two gears.

4. The lid screwing machine as claimed in claim 3, wherein the claw arm is provided with an adjusting hole for adjusting the relative distance between the claw arm and the holder with respect to the fixed connection with the holder, and the holder and the claw arm adjust the relative distance between the claw arm and the holder by the cooperation of the screw and the adjusting hole.

5. A cap screwing machine according to claim 1 wherein the top of the sleeve column is provided with a bearing column for bearing mounting.

6. A cap screwing machine according to claim 2 wherein said connecting rod is provided with bearings.