CN212907833U - Automatic glue preparing device for diaphragm - Google Patents

Automatic glue preparing device for diaphragm Download PDF

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Publication number
CN212907833U
CN212907833U CN202021599723.5U CN202021599723U CN212907833U CN 212907833 U CN212907833 U CN 212907833U CN 202021599723 U CN202021599723 U CN 202021599723U CN 212907833 U CN212907833 U CN 212907833U
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CN
China
Prior art keywords
block
cylinder
mounting
roller
subassembly
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Active
Application number
CN202021599723.5U
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Chinese (zh)
Inventor
罗二天
严海宏
李根发
黄家园
王玮
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Dongguan Areconn Precision Machinery Co ltd
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Dongguan Areconn Precision Machinery Co ltd
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Priority to CN202021599723.5U priority Critical patent/CN212907833U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The utility model discloses an automatic mucilage binding that is equipped with of diaphragm is put, it includes mounting panel, unwinding mechanism, fixture, compresses tightly subassembly, compression roller mechanism, cutter unit spare, jack-up subassembly and dust removal subassembly, the mounting panel is equipped with a plurality of straight slotted holes and recess, be equipped with in the recess and dismantle magnet, compress tightly the subassembly with be equipped with place the platform between the compression roller mechanism. The utility model discloses realize automatic cutting, ejecting multi-functional automatic work such as pasting and automatic dust removal, reduce artifical intensity of labour, reduce cost to guarantee the specification of the adhesive tape section that cuts, guarantee concatenation effect and outward appearance. The dust removal component is used for removing dust on the upper surface and the lower surface of the adhesive tape, so that dust and other magazines are prevented from falling, and the cleanness of the adhesive tape is ensured, so that the cleanness of the diaphragm exchange roll and the subsequent processing is ensured, and the quality of battery manufacturing is ensured; the consistency of the length of the adhesive tape pulled out is ensured by arranging the clamping mechanism, so that the consistency of the tightness of the subsequent diaphragm splicing is ensured.

Description

Automatic glue preparing device for diaphragm
Technical Field
The utility model relates to a technical field that the battery was made, concretely relates to automatic mucilage binding that is equipped with of diaphragm is put.
Background
With the increasingly wide application of lithium batteries and the increasing demand of the lithium batteries, the rapid development of the lithium batteries is immediately driven, in the production and manufacturing process of the lithium batteries, the discharging mechanisms of the positive and negative pole pieces of the automatic winding machine discharge a material roll, and the positive and negative pole pieces are finally wound into the battery cell through the procedures of tab welding, protective tape sticking, manipulator feeding, diaphragm wrapping, winding head winding and the like. Along with the improvement of automation degree, each processing procedure of the battery is faster and the production efficiency is high, in order to ensure the continuity of production and manufacturing, each procedure is provided with an automatic roll exchanging device, the membrane roll exchanging device is mainly used and has membrane roll wrapping procedures, the existing membrane roll exchanging device needs to splice the head end of a new membrane material and the tail end of an old membrane material together and then realize the automatic roll exchanging action of the membrane material, the existing splicing mostly adopts manual work to stick the gummed paper on the head end of the new membrane material and the tail end of the old membrane material to realize splicing, the manual splicing needs to be operated after stopping the machine, the subsequent production efficiency is influenced, the manual operation cannot ensure the specification of the cut gummed paper section, the splicing effect and the appearance are influenced, and the manual operation can cause fine particle impurities such as dust and the like to be attached to the gummed paper section to influence the cleanliness of the gummed paper section, therefore, the cleanliness of the diaphragm materials after diaphragm splicing is influenced, the manufacture of the diaphragm subsequent processing is influenced, and the quality of battery manufacture is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a to present technique not enough, provide an automatic mucilage binding that is equipped with of diaphragm and put.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
the utility model provides an automatic mucilage binding that is equipped with of diaphragm is put, the automatic mucilage binding that is equipped with of diaphragm includes mounting panel, unwinding mechanism, fixture, compresses tightly the subassembly, compresses tightly roller mechanism, cutter unit spare, jack-up subassembly and dust removal subassembly, the mounting panel is equipped with a plurality of straight slotted holes and recess, the recess sets up the mounting panel back, be equipped with in the recess and dismantle magnet, compress tightly the subassembly with be equipped with place the platform between the roller mechanism of compressing tightly.
The improved structure is characterized in that the unwinding mechanism is arranged at the left end of the mounting plate, the clamping mechanism is arranged at the right end of the mounting plate, the compression roller mechanism is arranged in the middle of the mounting plate, the cutter assembly is arranged on the left side below the compression roller mechanism, the compression assembly is arranged between the compression roller mechanism and the unwinding mechanism, the dust removal assembly is arranged between the unwinding mechanism and the compression assembly, the mounting plate is provided with a platform, and the jacking assembly is arranged on the platform.
The improved structure is characterized in that the mounting plate is provided with a positioning sliding groove, the dust removal assembly comprises a magnetic suction seat, a connecting block and two electrostatic dust collectors, the connecting block is of a structure shaped like the Chinese character 'Contraband', the magnetic suction seat is arranged on the side face of the connecting block, the magnetic suction seat is provided with a convex block, the two electrostatic dust collectors mirror images are oppositely arranged above and below the connecting block, the two electrostatic dust collectors are provided with detachable sponges, and the detachable sponges are provided with a plurality of loose through holes.
The unwinding mechanism is further improved and comprises an installation block, a shaft roller, a baffle and a retaining ring, wherein the shaft roller is arranged on the installation block, the baffle is arranged on one side of the shaft roller, a retaining groove is formed in the end portion of the shaft roller, and the retaining ring is arranged on the retaining groove.
The unwinding mechanism is further improved, a first installation block is arranged below the unwinding mechanism, and a sensor is arranged on the first installation block.
The improved structure comprises a pressing assembly, a cylinder and a roller, wherein the pressing assembly comprises a mounting block II, the cylinder and the roller, the cylinder is arranged on the mounting block II, the roller is arranged below the cylinder, the cylinder is provided with a pressing block, the cutter assembly comprises a cylinder I, a mounting block III and a cutter, the mounting block III and the cylinder I are arranged on the mounting plate, the mounting block III is provided with a guide sleeve, the guide sleeve is provided with a guide pillar, the cylinder I is provided with a movable rod, the movable rod is provided with a platform I, the platform I is provided with a fixing frame, and the cutter is arranged on the fixing frame.
The pressing roller shaft mechanism is further improved and comprises a second air cylinder, a first connecting block and a plurality of pressing rollers, wherein the first connecting block is arranged on the second air cylinder, and the pressing rollers are arranged on the front side face of the first connecting block.
The improved structure is characterized in that the jacking assembly comprises a jacking cylinder and a V-shaped adsorption block, the V-shaped adsorption block is provided with a plurality of through holes, and the V-shaped adsorption block is provided with a connection air nozzle.
Further improvement is made, fixture includes slide rail, slider, connecting block two, propelling movement cylinder and centre gripping cylinder, slide rail and connecting block two set up on the mounting panel, the slider sets up on the slide rail, the propelling movement cylinder sets up on the connecting block two, the slider is equipped with Z type installation piece, the movable rod of propelling movement cylinder one with Z type installation piece is connected, the centre gripping cylinder sets up on the Z type installation piece, the centre gripping cylinder is equipped with the centre gripping finger, the centre gripping finger comprises two grip blocks.
The utility model has the advantages that: the utility model discloses realize automatic cutting, ejecting multi-functional automatic work such as pasting and automatic dust removal, reduce artifical intensity of labour, reduce cost to guarantee the specification of the adhesive tape section that cuts, guarantee concatenation effect and outward appearance. The installation position of the automatic glue preparation device for the diaphragm is convenient to finely adjust by arranging the straight slotted hole, and the detachable magnet is used for initial fixation during installation of the automatic glue preparation device for the diaphragm, so that subsequent screw locking operation is convenient, and manual installation is convenient; the dust removal component is used for removing dust on the upper surface and the lower surface of the adhesive tape, so that dust and other magazines are prevented from falling, and the cleanness of the adhesive tape is ensured, so that the cleanness of the diaphragm exchange roll and the subsequent processing is ensured, and the quality of battery manufacturing is ensured; the sensor, the prompting lamp and the buzzer are arranged, so that the condition of the gummed paper material and the prompting function are conveniently monitored, and the labor intensity of manual monitoring is saved; the consistency of the length of the adhesive tape pulled out is ensured by arranging the clamping mechanism, so that the consistency of the tightness of the subsequent diaphragm splicing is ensured.
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Drawings
Fig. 1 is a schematic front view of the automatic membrane glue preparation device of the present embodiment;
FIG. 2 is a schematic top view of the automatic membrane glue preparation device of the present embodiment;
FIG. 3 is a schematic view of the mounting plate structure of the present embodiment;
fig. 4 is a schematic view of the dust removing assembly of the present embodiment.
In the figure: 1. the automatic glue preparing device comprises a diaphragm automatic glue preparing device, 2 a mounting plate, 3 an unreeling mechanism, 4 a clamping mechanism, 5 a pressing assembly, 6 a pressing roller shaft mechanism, 7 a cutter assembly, 8 a jacking assembly, 9 a dust removing assembly, 10 a placing platform, 20 a straight slotted hole, 21 a groove, 210 a detachable magnet, 22 a platform, 23 a positioning chute, 90 a magnetic suction seat, 91 a connecting block, 92 an electrostatic dust remover, 920 a detachable sponge, 30 a mounting block, 31 a shaft roller, 32 a baffle, 33 a retaining ring, 34 a mounting block I, 35 a sensor, 50 a mounting block II, 51 an air cylinder, 52 a rolling shaft, 510 a pressing block, 70 an air cylinder I, 71 a mounting block III, 72 a cutter, 710 a guide post, 701 a fixing frame, 60 an air cylinder II, 61 a connecting block I, 62 a pressing roller, 80 a jacking air cylinder, 81, a V-shaped adsorption block, 82 a connecting air nozzle, 40, a sliding rail, 41, a sliding block, 42, a second connecting block, 43, a pushing cylinder, 44, a clamping cylinder, 410, a Z-shaped mounting block and 440, and clamping fingers.
Detailed Description
The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
In the embodiment, referring to fig. 1 to 4 of the drawings, an automatic membrane glue preparation device 1 includes a mounting plate 2, an unreeling mechanism 3, a clamping mechanism 4, a pressing assembly 5, a pressing roller mechanism 6, a cutter assembly 7, a jacking assembly 8 and a dust removal assembly 9, the mounting plate 2 is provided with a plurality of straight slots 20 and grooves 21, the grooves 21 are formed in the back of the mounting plate 2, detachable magnets 210 are arranged in the grooves 21, the detachable magnets 210 are adhered to the grooves 21 through glue, a placement platform 10 is arranged between the pressing assembly 5 and the pressing roller mechanism 6, the straight slots 20 facilitate fine adjustment of the mounting position of the mounting plate 2, and the detachable magnets 210 are initially fixed when being used for mounting the mounting plate 2, so that subsequent screw locking operation is facilitated.
Unwinding mechanism 3 sets up 2 left ends of mounting panel, fixture 4 sets up 2 right-hand members of mounting panel, hold down roller mechanism 6 sets up in the middle of the mounting panel 2, cutter unit spare 7 sets up hold down roller mechanism 6 below left side, it sets up to compress tightly subassembly 5 compress tightly between roller mechanism 6 and the unwinding mechanism 3, dust removal component 9 sets up unwinding mechanism 3 and compress tightly between subassembly 5, mounting panel 2 is equipped with platform 22, jack-up subassembly 8 sets up on the platform 22.
The mounting plate 2 is provided with a positioning chute 23, the dust removing component 9 comprises a magnetic suction seat 90, a connecting block 91 and two electrostatic dust collectors 92, the connecting block 90 is in a structure like Contraband, the magnetic attraction seat 90 is arranged on the side surface of the connecting block 91, the magnetic attraction seat 90 is provided with a convex block which is convenient for fast matching connection with the positioning chute 23, thereby ensuring that the dust removing component 9 can not move up and down, the two electrostatic dust collectors 92 are arranged above and below the connecting block 91 in a mirror image manner, the two electrostatic dust collectors 92 are fixed on the connecting block 91 in a mode of adhesive tape or screws, and the like, the two electrostatic dust collectors 92 are both provided with detachable sponges 920, can dismantle sponge 920 and all be equipped with a plurality of loose through-holes, dust removal component 90 is used for removing dust to the upper and lower surface of adhesive tape and handles, prevents that the dust from falling into, guarantees the clean of adhesive tape to guarantee the clean of diaphragm exchange book and follow-up processing.
Unwinding mechanism 3 is including installation piece 30, beam barrel 31, baffle 32 and buckle 33, beam barrel 31 sets up installation piece 30 is last, baffle 32 sets up beam barrel 31 one side, beam barrel 31 tip is equipped with the catching groove, buckle 33 sets up on the catching groove, unwinding mechanism 3 is used for placing of adhesive tape, buckle 33 is used for fixing of baffle 32, and the subsequent change of being convenient for, unwinding mechanism 3 below is equipped with installation piece 34, installation piece 34 is equipped with sensor 35, sensor 35 is connected with warning light and bee calling organ, sensor 35 is used for monitoring the adhesive tape material condition, warning light and bee calling organ are used for playing the adhesive tape material and lack the material suggestion effect.
The pressing assembly 5 comprises a second mounting block 50, an air cylinder 51 and a roller 52, the air cylinder 51 is arranged on the second mounting block 50, the roller 52 is arranged below the cylinder 51, the cylinder 51 is provided with a pressing block 510, the pressing component 5 is used for fixing the gummed paper when the cutter component 7 cuts the gummed paper and preventing the gummed paper from shifting, the cutter component 7 comprises a cylinder I70, a mounting block III 71 and a cutter 72, the mounting block III 71 and the cylinder I70 are arranged on the mounting plate 2, the mounting block III 71 is provided with a guide sleeve, the guide sleeve is provided with a guide post 710, the guide post 710 moves up and down along the guide sleeve, the first air cylinder 70 is provided with a movable rod, the movable rod is provided with a first platform 700, the first platform 700 is provided with a fixed frame 701, the cutter 72 is arranged on the fixing frame 701, and the first air cylinder 70 drives the platform to move up and down, so that the cutter 72 is controlled to perform cutting action.
The pressing roller shaft mechanism 6 comprises a second air cylinder 60, a first connecting block 61 and a plurality of pressing rollers 62, the first connecting block 61 is arranged on the second air cylinder 60, the plurality of pressing rollers 62 are arranged on the front side surface of the first connecting block 61, the pressing roller shaft mechanism 6 is used for fixing the part of the gummed paper to be cut, preventing displacement and facilitating stable falling of the cut part of the gummed paper on the jacking assembly 8.
Jack-up subassembly 8 adsorbs piece 81 including jack-up cylinder 80 and V type, V type adsorbs piece 81 and is equipped with a plurality of through-holes, V type adsorbs piece 81 and is equipped with connection air cock 82, connection air cock 82 is used for being connected with outside air compression equipment to the realization is inhaled and is put the adhesive tape section.
Fixture 4 includes slide rail 40, slider 41, two 42, propelling movement cylinders 43 of connecting block and centre gripping cylinder 44, slide rail 40 and two 42 settings of connecting block on the mounting panel 2, slider 41 sets up on the slide rail 40, propelling movement cylinders 43 sets up on two 42 of connecting block, slider 41 is equipped with Z type installation piece 410, propelling movement cylinders 43's movable rod one with Z type installation piece 410 is connected, centre gripping cylinders 44 sets up on Z type installation piece 410, centre gripping cylinders 44 is equipped with centre gripping finger 440, the centre gripping finger comprises two grip blocks, propelling movement cylinders 43 is used for controlling centre gripping cylinders 44 and removes or returns toward the adhesive tape direction, centre gripping cylinders 44 are used for carrying out the centre gripping action of pulling out to the adhesive tape head end.
The utility model discloses a theory of operation: the automatic glue preparing device of the diaphragm is installed near the automatic exchange rolling device of the diaphragm of the battery production equipment, the head of the adhesive tape is stretched to a placing platform, when the automatic glue preparing device works, a pressing assembly loosens, a dust removing assembly moves to remove dust, a pushing cylinder moves a clamping cylinder towards the adhesive tape, after the automatic glue preparing device moves in place, the clamping cylinder controls a clamping finger to move to clamp the head of the adhesive tape, the pushing cylinder resets to pull the adhesive tape, after the automatic glue preparing device resets, the pressing assembly moves to press the adhesive tape, a cylinder II of a pressing roller mechanism drives a connecting block I to press downwards, a plurality of press rollers on the connecting block I press the adhesive tape, a jacking assembly jacks a V-shaped adsorption block to contact the adhesive tape, a cutter assembly cuts off the adhesive tape, then the clamping cylinder loosens, the adhesive tape section is adsorbed on the V-shaped adsorption block, the jacking assembly continues to rise to convey the adhesive tape section to the automatic exchange rolling device of the diaphragm to process of, then all the structures and parts are reset, and the next adhesive tape section is cut to prepare.
The utility model discloses realize automatic cutting, ejecting multi-functional automatic work such as pasting and automatic dust removal, reduce artifical intensity of labour, reduce cost to guarantee the specification of the adhesive tape section that cuts, guarantee concatenation effect and outward appearance. The installation position of the automatic glue preparation device for the diaphragm is convenient to finely adjust by arranging the straight slotted hole, and the detachable magnet is used for initial fixation during installation of the automatic glue preparation device for the diaphragm, so that subsequent screw locking operation is convenient, and manual installation is convenient; the dust removal component is used for removing dust on the upper surface and the lower surface of the adhesive tape, so that dust and other magazines are prevented from falling, and the cleanness of the adhesive tape is ensured, so that the cleanness of the diaphragm exchange roll and the subsequent processing is ensured, and the quality of battery manufacturing is ensured; the sensor, the prompting lamp and the buzzer are arranged, so that the condition of the gummed paper material and the prompting function are conveniently monitored, and the labor intensity of manual monitoring is saved; the consistency of the length of the adhesive tape pulled out is ensured by arranging the clamping mechanism, so that the consistency of the tightness of the subsequent diaphragm splicing is ensured.
The utility model discloses be not limited to above-mentioned embodiment, adopt with the same or similar structure or device of the above-mentioned embodiment of the utility model, and the other that obtain is used for the diaphragm to be equipped with mucilage binding automatically and puts, all is within the protection scope of the utility model.

Claims (9)

1. The utility model provides an automatic mucilage binding that prepares of diaphragm is put which characterized in that: the automatic glue device that is equipped with of diaphragm includes mounting panel, unwinding mechanism, fixture, compresses tightly subassembly, compression roller mechanism, cutter unit spare, jack-up subassembly and dust removal subassembly, the mounting panel is equipped with a plurality of straight slot holes and recess, the recess sets up the mounting panel back, be equipped with in the recess and dismantle magnet, compress tightly the subassembly with be equipped with place the platform between the compression roller mechanism.
2. The automatic membrane glue preparing device according to claim 1, characterized in that: unwinding mechanism sets up the mounting panel left end, fixture sets up the mounting panel right-hand member, hold-down roller mechanism sets up in the middle of the mounting panel, cutter unit sets up hold-down roller mechanism below left side, hold-down assembly sets up between hold-down roller mechanism and the unwinding mechanism, the subassembly that removes dust sets up between unwinding mechanism and the hold-down assembly, the mounting panel is equipped with the platform, the jack-up subassembly sets up on the platform.
3. The automatic membrane glue preparing device according to claim 2, characterized in that: the mounting panel is equipped with the location spout, the dust removal subassembly includes that the magnetism inhales seat, connecting block and two electrostatic precipitator, the connecting block is "Contraband" word structure, the setting is inhaled to the magnetism is in the connecting block side, the magnetism is inhaled the seat and is equipped with the lug, two the electrostatic precipitator mirror image sets up relatively the top and the below of connecting block, two the electrostatic precipitator all is equipped with can dismantle the sponge, can dismantle the sponge and all be equipped with a plurality of loose through-holes.
4. The automatic membrane glue preparing device according to claim 3, characterized in that: the unwinding mechanism comprises an installation block, a shaft roller, a baffle and a retaining ring, wherein the shaft roller is arranged on the installation block, the baffle is arranged on one side of the shaft roller, a retaining groove is formed in the end part of the shaft roller, and the retaining ring is arranged on the retaining groove.
5. The automatic membrane glue preparing device according to claim 4, characterized in that: the unwinding mechanism is provided with a first mounting block below, and the first mounting block is provided with a sensor.
6. The automatic membrane glue preparing device according to claim 5, characterized in that: the pressing assembly comprises a second mounting block, a cylinder and a roller, the cylinder is arranged on the second mounting block, the roller is arranged below the cylinder, the cylinder is provided with a pressing block, the cutter assembly comprises a first cylinder, a third mounting block and a cutter, the third mounting block and the first cylinder are arranged on the mounting plate, the third mounting block is provided with a guide sleeve, the guide sleeve is provided with a guide pillar, the first cylinder is provided with a movable rod, the movable rod is provided with a first platform, the first platform is provided with a fixing frame, and the cutter is arranged on the fixing frame.
7. The automatic membrane glue preparing device according to claim 6, characterized in that: the compression roller mechanism comprises a second cylinder, a first connecting block and a plurality of compression rollers, wherein the first connecting block is arranged on the second cylinder, and the compression rollers are arranged on the front side face of the first connecting block.
8. The automatic membrane glue preparing device according to claim 7, characterized in that: the jacking assembly comprises a jacking cylinder and a V-shaped adsorption block, the V-shaped adsorption block is provided with a plurality of through holes, and the V-shaped adsorption block is provided with a connection air faucet.
9. The automatic membrane glue preparing device according to claim 8, characterized in that: the clamping mechanism comprises a slide rail, a slide block, a second connecting block, a pushing cylinder and a clamping cylinder, wherein the slide rail and the second connecting block are arranged on the mounting plate, the slide block is arranged on the slide rail, the pushing cylinder is arranged on the second connecting block, the slide block is provided with a Z-shaped mounting block, a first movable rod of the pushing cylinder is connected with the Z-shaped mounting block, the clamping cylinder is arranged on the Z-shaped mounting block, the clamping cylinder is provided with a clamping finger, and the clamping finger consists of two clamping blocks.
CN202021599723.5U 2020-08-05 2020-08-05 Automatic glue preparing device for diaphragm Active CN212907833U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021599723.5U CN212907833U (en) 2020-08-05 2020-08-05 Automatic glue preparing device for diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021599723.5U CN212907833U (en) 2020-08-05 2020-08-05 Automatic glue preparing device for diaphragm

Publications (1)

Publication Number Publication Date
CN212907833U true CN212907833U (en) 2021-04-06

Family

ID=75236830

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021599723.5U Active CN212907833U (en) 2020-08-05 2020-08-05 Automatic glue preparing device for diaphragm

Country Status (1)

Country Link
CN (1) CN212907833U (en)

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