CN112427693B

CN112427693B - Disc clamping device

Info

Publication number: CN112427693B
Application number: CN202010995905.2A
Authority: CN
Inventors: 董江荣; 卢圣波; 陆成福; 任威力; 芦凤吕
Original assignee: Hangzhou Jingwei Technology Co ltd
Current assignee: Hangzhou Jingwei Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-11-09
Anticipated expiration: 2040-09-21
Also published as: CN112427693A

Abstract

The invention provides a disc clamping device, and belongs to the technical field of clamps. The disc clamp comprises a base, wherein a lower chuck groove is formed in the base, a lower chuck is detachably arranged in the lower chuck groove through a lower chuck circumferential limiting structure, a lower chuck fixing assembly is further arranged at the bottom of the lower chuck groove, an upper chuck and an upper chuck driving mechanism capable of driving the upper chuck to lift in the vertical direction are further arranged on the base, the upper chuck is positioned on the upper side of the lower chuck, and the upper chuck and the lower chuck are combined to form a plurality of disc clamp grooves; a plurality of disc clamp grooves formed by combining the upper chuck plate and the lower chuck plate can clamp and fix a plurality of disc-shaped products at one time, and the upper chuck plate driving mechanism can drive the upper chuck plate to move to realize automatic clamping and loosening, so that the time spent on loading and unloading during product processing is greatly reduced, and the processing efficiency of the products is effectively improved.

Description

Disc clamping device

Technical Field

The invention belongs to the technical field of clamps, and relates to a disc clamping device.

Background

When the product to the disc type is drilled and the like, the disc-shaped product needs to be clamped and fixed firstly, the disc-shaped product is prevented from being loosened during processing to cause insufficient processing precision, but a disc clamp in the prior art can only clamp one disc-shaped product when clamping the clamp, the clamping is generally carried out manually, the loading and unloading of the product can be carried out at every time, the time is greatly shortened, and the processing efficiency of the product is greatly reduced.

In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a disc punching clamp is disclosed in the chinese patent application No. [ application number: 201410680032.0], including a base and a crown; a disc groove is arranged on the base; a positioning column is arranged at the center of the disc groove; ejector rod holes are uniformly distributed in the disc groove; a clamping block which is connected through a bolt and takes the bolt as a rotating center is arranged on one side of the disc groove; one end of the base is provided with a baffle plate; the ejector rod seat is provided with an ejector rod matched with the ejector rod hole on the disc groove; according to the invention, the positioning column is arranged at the center of the disc groove, the clamping block which is connected through the bolt and takes the bolt as a rotating center is arranged at one side of the disc groove, the disc to be processed is fixedly placed on the positioning column, the clamping block is rotationally adjusted and clamped on the disc, the baffle at one side supports against the disc, the disc is fixed and then punched, and the ejector rod seat is inserted into the ejector rod hole after the punching is completed to eject the disc after the punching is completed, so that the accurate punching of the disc can be realized, the disc can be quickly taken and placed, the quality and the working efficiency of products are improved, but the defects are also existed.

Disclosure of Invention

The present invention is directed to solve the above problems and to provide a disk chucking apparatus.

In order to achieve the purpose, the invention adopts the following technical scheme:

a disc clamping device comprises a base, wherein a lower chuck groove is formed in the base, a lower chuck is detachably arranged in the lower chuck groove through a lower chuck circumferential limiting structure, a lower chuck fixing assembly is further arranged at the bottom of the lower chuck groove, an upper chuck and an upper chuck driving mechanism capable of driving the upper chuck to lift in the vertical direction are further arranged on the base, the upper chuck is located on the upper side of the lower chuck, and the upper chuck and the lower chuck are combined to form a plurality of disc clamping grooves; the lower chuck groove is also internally provided with a plurality of discharging ejection assemblies which are in one-to-one correspondence with the disc chuck grooves, each discharging ejection assembly comprises an ejection groove, the axial lead of the ejection groove is superposed with the axial lead of the disc chuck groove, ejection blocks are connected in the ejection grooves in a sliding manner, the lower chuck is also provided with ejection holes matched with the ejection blocks, the cross sections of the ejection blocks are circular, the outer side walls of the ejection blocks are abutted against the inner side walls of the ejection grooves, and the ejection grooves are also internally provided with elastic pieces capable of driving the ejection blocks to move upwards; the base top still be equipped with two along the circumference setting at least and press from both sides tight piece, just the base on still be equipped with press from both sides tight piece one-to-one and can drive the tight piece of clamp of downward (holding) chuck groove direction motion press from both sides tight piece driver, the tight piece driver of clamp have can follow linear reciprocating motion's output shaft, the output shaft tip of pressing from both sides tight piece driver with press from both sides tight piece and link to each other, the cross-section of pressing from both sides tight piece be trapezoidal and trapezoidal cross-section have with the same arcwall face of (holding) chuck groove radian down near (holding) chuck groove one side.

In foretell disc clamping device, the fixed subassembly of lower (holding) chuck including set up in the base and through connecting the annular negative pressure runner and No. two annular negative pressure runners of runner intercommunication each other, the ring footpath of No. two annular negative pressure runners is greater than the ring footpath of an annular negative pressure runner, annular negative pressure runner and No. two annular negative pressure runners on all be equipped with a plurality of negative pressure holes that set up along circumference, the vertical setting of negative pressure hole and top and lower (holding) chuck groove intercommunication, negative pressure hole and disc clamp groove dislocation set, connecting runner middle part still even have the main negative pressure runner that the cross-section is the L type, main negative pressure runner tip pass through the hose and link to each other with the negative pressure machine.

In a disc clamping device of the aforesaid, the disc clamp groove include a plurality of upper limit structure and a plurality of disc circumference limit structure of setting on the (holding) chuck under of setting that set up on the (holding) chuck, just a plurality of upper limit structure and a plurality of disc circumference limit structure one-to-ones, upper (holding) chuck and lower (holding) chuck between still be equipped with location structure, the cross-section of upper (holding) chuck and lower (holding) chuck all be circular, a plurality of upper limit structure on the upper (holding) chuck include one set up at the upper limit structure of (holding) chuck center department and a plurality of upper limit structure that set up along this upper limit structure even circumference, a plurality of disc circumference limit structure on the (holding) chuck include one set up under the (holding) chuck center department and a plurality of disc circumference limit structure that set up along this disc circumference limit structure even circumference.

In the above disc clamping device, the disc circumferential limiting structure includes an inner limiting seat which is arranged on the lower chuck plate and protrudes outwards, the cross section of the inner limiting seat is circular, the side part of the circular cross section of the inner limiting seat is provided with an inwards-recessed lower limiting step, the disc circumferential limiting structure further includes an outer limiting seat which is arranged outside the inner limiting seat, the cross section of the outer limiting seat is annular, the shortest distance from each part of the inner side wall of the outer limiting seat to the outer side wall of the inner limiting seat is equal, the outer limiting seat and the inner limiting seat are combined to form a limiting groove with an annular cross section, the outer limiting seat is further provided with a disc positioning groove, and the disc positioning groove in the disc circumferential limiting structure at the outer side is arranged at the disc circumferential limiting structure which is closest to the inner side of the outer limiting seat;

the upper limiting structure comprises a disc processing groove arranged on the upper clamping plate, a plurality of limiting blocks which are arranged along the circumferential direction and the end parts of which point to the circle center of the disc processing groove are arranged on one side of the disc processing groove, and the end parts of the limiting blocks are inserted into the disc processing groove; the positioning structure comprises two upper chuck positioning grooves arranged on an upper chuck and two upper chuck positioning blocks arranged on a lower chuck and matched with the upper chuck positioning grooves, the cross section of each upper chuck positioning groove is rectangular, one side of the rectangular cross section is provided with a cambered surface, and the two upper chuck positioning grooves are symmetrically arranged along the central line of the upper chuck.

In the above disc clamping device, the upper chuck driving mechanism includes four upper chuck drivers circumferentially arranged at the bottom of the base, a rectangular ring driver mounting part is arranged at the outer side of the bottom of the base, the four upper chuck drivers are all arranged on the driver mounting part, each upper chuck driver has a lifting shaft capable of lifting along the vertical direction, and the top of the lifting shaft penetrates through the base and is connected with the top of the upper chuck through a connecting block;

the connecting block is hinged with the lifting shaft and is detachably connected with the upper clamping plate through a bolt;

the outer side of the top of the upper chuck is provided with an inward sunken connecting block mounting part with an annular cross section, and the top of the connecting block is flush with the top of the upper chuck.

In the above disc clamping device, the lower chuck circumferential limiting structure includes a lower chuck positioning block disposed on the side wall of the lower chuck groove, the lower chuck positioning block has a semicircular cross section, and the lower chuck is provided with a lower chuck positioning groove adapted to the lower chuck positioning block.

In the above disc clamping device, the elastic member is a compression spring, and two ends of the compression spring are respectively fixedly connected with the bottom of the ejection slot and the lower end surface of the ejection block; the base on still be equipped with a plurality of groups and press from both sides the spacing spout of tight piece one-to-one, every spacing spout of group includes two inside sunken spacing spouts, two spacing spouts set up along the central line symmetry that presss from both sides tight piece, the tight piece bottom of clamp be equipped with two insert respectively to two spacing spouts in and with spacing spout sliding connection's spacing slider.

Compared with the prior art, the invention has the advantages that:

1. a plurality of disc clamp grooves formed by combining the upper chuck plate and the lower chuck plate can clamp and fix a plurality of disc-shaped products at one time, and the upper chuck plate driving mechanism can drive the upper chuck plate to move to realize automatic clamping and loosening, so that the time spent on loading and unloading during product processing is greatly reduced, and the processing efficiency of the products is effectively improved.

2. The circumferential limiting structure on the lower chuck plate can circumferentially limit the product, so that the processing precision of the product is prevented from being deteriorated due to circumferential rotation of the product during processing, the positioning structure can position the upper chuck plate, the product is prevented from being crushed due to deviation when the upper chuck plate moves downwards, the upper limiting structure on the upper chuck plate can compress a plurality of products on the lower chuck plate, and the product is prevented from shaking up and down during processing; the disc clamp groove can greatly reduce the area of a required chuck plate under the condition of clamping and fixing a plurality of products simultaneously by the mode, and the manufacturing cost of the chuck plate is saved.

3. After the disc-shaped product is processed, the negative pressure machine is opened, the negative pressure machine can suck out the main negative pressure flow channel, the connecting flow channel, the first annular negative pressure flow channel, the second annular negative pressure flow channel and the gas in the negative pressure hole, so that the negative pressure is formed at the lower side of the lower chuck plate, the lower chuck plate is fixed in the lower chuck plate groove through the atmospheric pressure, and the lower chuck plate can be prevented from being separated from the lower chuck plate groove when the disc is unloaded.

4. The method can clamp and fix a plurality of disc-shaped products at one time, and the upper chuck driving mechanism can drive the upper chuck to move to realize automatic clamping and loosening, thereby greatly reducing the time spent on loading and unloading materials during product processing, and effectively improving the processing efficiency of the products.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a schematic view of the structure of the base;

FIG. 3 is a three-dimensional schematic view of the upper chuck;

FIG. 4 is a three-dimensional schematic view of the lower chuck;

FIG. 5 is a schematic view of the structure of the upper chuck;

FIG. 6 is a schematic view of the structure of the upper chuck;

FIG. 7 is a schematic cross-sectional view of a base;

fig. 8 is an enlarged schematic view at a in fig. 2.

Detailed Description

As shown in fig. 1-7, a disc clamping device comprises a base 1, the base 1 is provided with a lower chuck groove 2, the lower chuck groove 2 is provided with a lower chuck 4 detachably through a lower chuck circumferential limiting structure 3, the bottom of the lower chuck groove 2 is further provided with a lower chuck fixing component 5, the base 1 is further provided with an upper chuck 6 and an upper chuck driving mechanism 7 capable of driving the upper chuck 6 to lift along the vertical direction, the upper chuck 6 is positioned on the upper side of the lower chuck 4, and the upper chuck 6 and the lower chuck 4 are combined to form a plurality of disc clamping grooves 8.

In this embodiment, a plurality of disc clamp grooves 8 formed by combining the upper chuck plate 6 and the lower chuck plate 4 can clamp and fix a plurality of disc-shaped products at a time, and the upper chuck plate driving mechanism 7 can drive the upper chuck plate to move to realize automatic clamping and loosening, so that the time spent on loading and unloading during product processing is greatly reduced, and the processing efficiency of the products is effectively improved.

The lower chuck groove 2 can circumferentially limit the lower chuck through the lower chuck circumferential limiting structure 3, so that the lower chuck is prevented from circumferentially rotating during machining, the lower chuck 4 is detachably arranged in the lower chuck groove 2, and can be conveniently detached and replaced, so that the working efficiency is improved; the lower chuck fixing component 5 can fix the lower chuck when unloading, and the lower chuck is prevented from being separated from the lower chuck groove when unloading.

Preferably, as shown in fig. 1, 2 and 7, a plurality of unloading ejection assemblies 36 corresponding to the disc clamp slots 8 one by one are further disposed in the lower chuck plate slot 2, each unloading ejection assembly 36 includes an ejection slot 37, an axial line of the ejection slot 37 coincides with an axial line of the disc clamp slot 8, an ejection block 38 is slidably connected in the ejection slot 37, the lower chuck plate 4 is further provided with an ejection hole 39 adapted to the ejection block 38, a cross section of the ejection block 38 is circular, an outer side wall of the ejection block 38 abuts against an inner side wall of the ejection slot 37, and the ejection slot 37 is further provided with an elastic member 40 capable of driving the ejection block 38 to move upward. The discharging and ejecting assembly 36 can automatically eject the disc upwards for a certain distance when the disc anti-falling mechanism and the disc side clamping mechanism loosen the disc, so that discharging is convenient, and the working efficiency can be effectively improved. Specifically, after the upper chuck 6 is separated from the lower chuck 4, the elastic member 40 in the ejection slot 37 can push the ejection block 38 through the lower chuck 4 and eject the disc-shaped product upward.

Preferably, as shown in fig. 1 and fig. 2, the top of the base 1 is further provided with at least two clamping blocks 41 arranged along the circumferential direction, the base 1 is further provided with a clamping block driver 42 which is in one-to-one correspondence with the clamping blocks 41 and can drive the clamping blocks 41 to move in the direction of the lower chuck slot 2, the clamping block driver 42 is provided with an output shaft which can reciprocate along a straight line, the end of the output shaft of the clamping block driver 42 is connected with the clamping blocks 41, and the section of the clamping block 41 is trapezoidal, and one side of the trapezoidal section, which is close to the lower chuck slot 2, is provided with an arc surface 43 having the same radian as the lower chuck slot 2. Press from both sides tight piece driver 42 and can drive to press from both sides tight piece 41 and support with last (holding) chuck 6 and lower (holding) chuck 4 to move to being close to lower (holding) chuck groove 2 direction and lean on, thereby can press from both sides tight fixedly to the lateral part of going up (holding) chuck and lower (holding) chuck when disc product processing, prevent that two results in the product machining precision variation of translation about going up (holding) chuck and lower (holding) chuck from appearing, arcwall face 43 can improve the area of contact who presss from both sides tight piece and last (holding) chuck and lower (holding) chuck, thereby can improve and press from both sides tight effect.

Preferably, as shown in fig. 2 and 7, the lower chuck fixing assembly 5 includes a first annular negative pressure flow channel 28 and a second annular negative pressure flow channel 29 which are arranged in the base 1 and are communicated with each other through a connecting flow channel 27, the ring diameter of the second annular negative pressure flow channel 29 is greater than that of the first annular negative pressure flow channel 28, a plurality of negative pressure holes 30 which are circumferentially arranged are respectively arranged on the first annular negative pressure flow channel 28 and the second annular negative pressure flow channel 29, the negative pressure holes 30 are vertically arranged and the top of the negative pressure holes are communicated with the lower chuck clamping groove 2, the negative pressure holes 30 and the disk clamping grooves 8 are arranged in a staggered manner, a main negative pressure flow channel 31 with an L-shaped cross section is further connected to the middle of the connecting flow channel 27, and the end of the main negative pressure flow channel 31 is connected to a negative pressure machine 33 through a hose 32. After the disc-shaped product is processed, the negative pressure machine 33 is opened, the negative pressure machine 33 can suck out the gas in the main negative pressure flow passage 31, the connecting flow passage 27, the first annular negative pressure flow passage 28, the second annular negative pressure flow passage 29 and the negative pressure hole 30, so that negative pressure is formed at the lower side of the lower chuck plate 4, the lower chuck plate 4 is fixed in the lower chuck plate groove 2 through atmospheric pressure, and the lower chuck plate can be prevented from being separated from the lower chuck plate groove when the disc is unloaded.

Preferably, as shown in connection with fig. 3-6, the disc chucking groove 8 includes a plurality of upper limit structures 9 provided on the upper chuck 6 and a plurality of disc circumferential limit structures 10 provided on the lower chuck 4, the upper limiting structures 9 and the disc circumferential limiting structures 10 are in one-to-one correspondence, a positioning structure 11 is arranged between the upper chuck 6 and the lower chuck 4, the cross-section of last (holding) chuck 6 and lower (holding) chuck 4 all be circular, go up a plurality of upper limit structure 9 on (holding) chuck 6 and include that one sets up the upper limit structure 9 of 6 center departments at (holding) chuck and a plurality of upper limit structure 9 that set up along this upper limit structure 9 even circumference, a plurality of disc circumference limit structure 10 on (holding) chuck 4 include that one sets up the disc circumference limit structure 10 of 4 center departments at (holding) chuck down and a plurality of disc circumference limit structure 10 that set up along this disc circumference limit structure 10 even circumference.

The circumferential limiting structure on the lower chuck plate 4 can circumferentially limit the products, so that the products are prevented from circumferentially rotating during processing to cause the processing precision of the products to be poor, the positioning structure can position the upper chuck plate to prevent the products from being crushed due to the fact that the upper chuck plate deviates when moving downwards, and the upper limiting structure on the upper chuck plate 6 can compress a plurality of products on the lower chuck plate, so that the products are prevented from shaking up and down during processing; the disc clamp groove 8 can greatly reduce the area of a required chuck plate under the condition of clamping and fixing a plurality of products simultaneously by the mode, and the manufacturing cost of the chuck plate is saved.

Preferably, as shown in fig. 4 and 6, the disc circumferential limiting structure 10 includes an inner limiting seat 12 disposed on the lower chuck plate 4 and protruding outward, a lateral portion of the inner limiting seat 12 having a circular cross section is provided with an inward recessed lower limiting step 13, the disc circumferential limiting structure 10 further includes an outer limiting seat 14 disposed outside the inner limiting seat 12, the cross section of the outer limiting seat 14 is annular, the shortest distance from each portion of the inner side wall of the outer limiting seat 14 to the outer side wall of the inner limiting seat 12 is equal, the outer limiting seat 14 and the inner limiting seat 12 are combined to form a limiting groove 15 having an annular cross section, the outer limiting seat 14 is further provided with a disc positioning groove 16, and the disc positioning groove 16 in the disc circumferential limiting structure 10 on the outer side is disposed at a position of the disc circumferential limiting structure 10 where the outer limiting seat 14 is closest to the inner side. The bottom of the disc-shaped product can be embedded into a limiting groove formed by combining the inner limiting seat and the outer limiting seat, and the lower limiting step on the inner limiting seat can limit the product; the lug of disc constant head tank cooperation product bottom can fix a position the product, prevents that the product from placing the irregularity and leading to the machining precision variation.

Preferably, as shown in fig. 3 and 5, the upper limiting structure 9 includes a disc processing groove 17 disposed on the upper chuck 6, a plurality of limiting blocks 18 disposed along the circumferential direction and having ends pointing to the center of the disc processing groove 17 are disposed on one side of the disc processing groove 17, and the ends of the limiting blocks 18 are inserted into the disc processing groove 17; disc product can pass disc processing groove, conveniently processes, and at last (holding) chuck motion to support by the back with lower (holding) chuck, go up a plurality of stoppers in the limit structure and can compress tightly a plurality of products on the lower (holding) chuck to the product shake about preventing to add man-hour appears.

Preferably, as shown in fig. 1 and fig. 3 to fig. 6, the positioning structure 11 includes two upper chuck positioning grooves 19 disposed on the upper chuck 6 and two upper chuck positioning blocks 20 disposed on the lower chuck 4 and adapted to the upper chuck positioning grooves 19, the upper chuck positioning grooves 19 have a rectangular cross section, one side of the rectangular cross section is provided with an arc surface 21, and the two upper chuck positioning grooves 19 are symmetrically disposed along a center line of the upper chuck 6. The upper chuck positioning groove is matched with the upper chuck positioning block to limit the upper chuck, so that the upper chuck is prevented from deviating and crushing products when moving downwards.

Preferably, as shown in fig. 1, 2 and 7, the upper chuck driving mechanism 7 includes four upper chuck drivers 22 circumferentially disposed at the bottom of the base 1, a rectangular ring-shaped driver mounting portion 23 is disposed at an outer side of the bottom of the base 1, the four upper chuck drivers 22 are disposed on the driver mounting portion 23, the upper chuck drivers 22 have a lifting shaft 24 capable of lifting in a vertical direction, and a top of the lifting shaft 24 penetrates through the base 1 and is connected to a top of the upper chuck 6 through a connecting block 25. The four upper chuck plate drivers 22 can synchronously drive the lifting shaft 24 to ascend or descend, the lifting shaft can drive the connecting block and the upper chuck plate to ascend or descend, the disc-shaped product does not need to be manually clamped, and the processing efficiency of the product is effectively improved. It will be appreciated by those skilled in the art that the upper chuck actuator 22 may be an air cylinder or a hydro cylinder.

Preferably, as shown in fig. 1, 2 and 7, the connecting block 25 is hinged to the lifting shaft 24, the connecting block 25 is detachably connected to the upper chuck 6 through a bolt, so that the lower chuck can be conveniently detached and maintained, and the connecting block 25 is hinged to the lifting shaft 24, so that the connecting block can be conveniently rotated to adjust the angle, and the upper chuck can be conveniently taken out.

Preferably, as shown in fig. 1, 3 and 5, the outer side of the top of the upper chuck 6 is provided with an inwardly recessed connecting block mounting part 26 with an annular cross section, and the top of the connecting block 25 is flush with the top of the upper chuck 6. The arrangement of the connecting block mounting part 26 enables the connecting block to be mounted without protruding out of the top of the upper chuck, and the connecting block is prevented from colliding with workers during feeding and discharging.

Preferably, as shown in fig. 2, 4, 6 and 8, the lower chuck circumferential limiting structure 3 includes a lower chuck positioning block 34 disposed on the sidewall of the lower chuck slot 2, the lower chuck positioning block 34 has a semicircular cross section, and the lower chuck 4 is provided with a lower chuck positioning slot 35 adapted to the lower chuck positioning block 34. The lower chuck 4 is arranged in the lower chuck groove 2, the upper chuck positioning block 34 and the lower chuck positioning block 34 on the side wall of the lower chuck groove 2 are clamped into the lower chuck positioning groove 35 on the side part of the lower chuck 4, and the lower chuck positioning block 34 is matched with the lower chuck positioning groove 35 to circumferentially limit the lower chuck.

Preferably, as shown in fig. 7, the elastic member 40 is a compression spring, and two ends of the compression spring are fixedly connected to the bottom of the ejection slot 37 and the lower end surface of the ejection block 38, respectively. The compression spring can push the ejection block 38 to penetrate through the lower chuck 4 and eject the disc-shaped product upwards, so that the discharging is convenient, and the working efficiency can be effectively improved.

Preferably, as shown in fig. 1 and fig. 2, the base 1 is further provided with a plurality of sets of limiting sliding grooves 44 corresponding to the clamping blocks 41 one to one, each set of limiting sliding grooves 44 includes two inward recessed limiting sliding grooves 44, the two limiting sliding grooves 44 are symmetrically arranged along a central line of the clamping block 41, and two limiting sliding blocks inserted into the two limiting sliding grooves 44 respectively and slidably connected with the limiting sliding grooves 44 are arranged at the bottom of the clamping block 41. The limiting sliding groove 44 is matched with the limiting sliding block to limit the clamping block, and the clamping block can be prevented from being deviated during movement.

As shown in fig. 1-8, a method for using a disc clamping device includes the following steps: the lower chuck 4 is arranged in the lower chuck groove 2, the upper chuck positioning block 34 and the lower chuck positioning block 34 on the side wall of the lower chuck groove 2 are clamped into the lower chuck positioning groove 35 on the side part of the lower chuck 4, and the lower chuck positioning block 34 is matched with the lower chuck positioning groove 35 to circumferentially limit the lower chuck; the upper clamping plate 6 is placed on the lower clamping plate 4, the connecting block 25 is driven to ascend to the bottom of the connecting block 25 to be flush with the connecting block mounting part 26 through the upper clamping plate driver 22, the connecting block 25 is rotated to be aligned with a screw hole in the connecting block mounting part 26, and the connecting blocks 25 and the upper clamping plate 6 are fixed in sequence through bolts, so that the lower clamping plate can be conveniently detached and maintained, the connecting block 25 is hinged to the lifting shaft 24, the connecting block can be conveniently rotated to adjust the angle, and the upper clamping plate can be conveniently taken out;

step two: the connecting block 25 and the upper chuck 6 are driven to ascend through the upper chuck driver 22, disc-shaped products are sequentially placed into the disc clamp groove 8, the upper chuck 6 is driven to move downwards through the upper chuck driver 22 to abut against the lower chuck 4, at the moment, the upper chuck 6 drives the disc-shaped products and the ejection block 38 to move downwards through the limiting blocks 18 and tightly press the disc-shaped products, the disc-shaped products can penetrate through the disc processing groove and are convenient to process, and after the upper chuck moves to abut against the lower chuck, the limiting blocks in the upper limiting structure can tightly press a plurality of products on the lower chuck, so that the products are prevented from shaking up and down during processing;

step three; the clamping block driver 42 drives the clamping block 41 to move towards the direction close to the lower chuck groove 2 until the clamping block 41 abuts against the upper chuck 6 and the lower chuck 4, the clamping block driver 42 can drive the clamping block 41 to move towards the direction close to the lower chuck groove 2 until the clamping block 41 abuts against the upper chuck 6 and the lower chuck 4, so that the side parts of the upper chuck and the lower chuck can be clamped and fixed during processing of a disc-shaped product, the phenomenon that the processing precision of the product is poor due to the fact that the upper chuck and the lower chuck translate left and right is avoided, the arc-shaped surface 43 can improve the contact area of the clamping block with the upper chuck and the lower chuck, and the clamping effect can be improved;

step four: after the disc-shaped products are processed, the connecting block 25 and the upper chuck 6 are driven to ascend by the upper chuck driver 22, the disc-shaped products in the disc clamp groove 8 are sequentially taken out and unloaded, and unprocessed disc-shaped products are put in again.

In the embodiment, the method can clamp and fix a plurality of disc-shaped products at one time, and the upper chuck driving mechanism 7 can drive the upper chuck to move to realize automatic clamping and loosening, so that the time spent on loading and unloading during product processing is greatly reduced, and the processing efficiency of the products is effectively improved.

Preferably, as shown in fig. 2 and 7, in the fourth step, after the disc-shaped product is processed, the negative pressure machine 33 is turned on, and the negative pressure machine 33 can suck out the gas in the main negative pressure flow passage 31, the connecting flow passage 27, the first annular negative pressure flow passage 28, the second annular negative pressure flow passage 29 and the negative pressure hole 30, so that the negative pressure is formed at the lower side of the lower chuck plate 4, and the lower chuck plate 4 is fixed in the lower chuck groove 2 by the atmospheric pressure, and the lower chuck plate can be prevented from being separated from the lower chuck groove when the disc is unloaded.

Preferably, as shown in fig. 1, 2 and 7, in step four, after the upper chuck 6 is separated from the lower chuck 4, the elastic member 40 in the ejection slot 37 can push the ejection block 38 to pass through the lower chuck 4 and eject the disc-shaped product upward by 10-20mm, so that the unloading can be conveniently performed, thereby improving the working efficiency.

The working principle of the invention is as follows: the upper chuck 6 and the lower chuck 4 are combined to form a plurality of disc clamp grooves 8 which can clamp and fix a plurality of disc-shaped products at one time, and the upper chuck driving mechanism 7 can drive the upper chuck to move to realize automatic clamping and loosening, so that the time spent on loading and unloading materials during product processing is greatly reduced, and the processing efficiency of the products is effectively improved; the lower chuck groove 2 can circumferentially limit the lower chuck through the lower chuck circumferential limiting structure 3, so that the lower chuck is prevented from circumferentially rotating during machining, the lower chuck 4 is detachably arranged in the lower chuck groove 2, and can be conveniently detached and replaced, so that the working efficiency is improved; the lower chuck fixing assembly 5 can fix the lower chuck during unloading, so that the lower chuck is prevented from being separated from a lower chuck groove during unloading of a disc, a circumferential limiting structure on the lower chuck 4 can circumferentially limit a product, and the product is prevented from circumferentially rotating during processing to cause the processing precision of the product to be poor, the positioning structure can position the upper chuck, the upper chuck is prevented from deviating and crushing the product during downward movement, and the upper limiting structure on the upper chuck 6 can compress a plurality of products on the lower chuck, so that the product is prevented from shaking up and down during processing; the disc clamp groove 8 can greatly reduce the area of a required chuck plate under the condition of simultaneously clamping and fixing a plurality of products by the arrangement of the above mode, the manufacturing cost of the chuck plate is saved, the bottom of the disc-shaped product can be embedded into a limiting groove formed by combining an inner limiting seat and an outer limiting seat, and a lower limiting step on the inner limiting seat can limit the product; the disc positioning grooves are matched with the bumps at the bottoms of the products to position the products, so that the processing precision is prevented from being poor due to uneven placement of the products, the disc-shaped products can penetrate through the disc processing grooves and are convenient to process, and after the upper clamping plate moves to abut against the lower clamping plate, a plurality of limiting blocks in the upper limiting structure can compress a plurality of products on the lower clamping plate, so that the products are prevented from shaking up and down during processing; go up the (holding) chuck locating piece in (holding) chuck constant head tank cooperation and can carry on spacingly to the (holding) chuck, appear the skew and crush the product when preventing the (holding) chuck downstream, four (holding) chuck drivers 22 can 24 rises or descend of synchronous drive lift axle, the lift axle can drive connecting block and go up the (holding) chuck and rise or descend, need not manually to press from both sides tightly the disc product, the machining efficiency of product has been improved effectively, it can be automatic with disc jack-up one section distance upwards when disc anti-disengaging mechanism and disc side clamping mechanism loosen the disc to unload ejecting subassembly 36, conveniently unload, can effectively improve work efficiency. Specifically, after the upper chuck 6 is separated from the lower chuck 4, the elastic member 40 in the ejection groove 37 can push the ejection block 38 to pass through the lower chuck 4 and eject the disc-shaped product upwards, the clamping block driver 42 can drive the clamping block 41 to move towards the direction close to the lower chuck groove 2 until the clamping block 41 abuts against the upper chuck 6 and the lower chuck 4, so that the side portions of the upper chuck and the lower chuck can be clamped and fixed during processing of the disc-shaped product, the upper chuck and the lower chuck are prevented from translating left and right to cause the product processing precision to be poor, the arc-shaped surface 43 can improve the contact area between the clamping block and the upper chuck and the lower chuck, and the clamping effect can be improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A disc clamping device comprises a base (1) and is characterized in that a lower chuck groove (2) is formed in the base (1), a lower chuck (4) is detachably arranged in the lower chuck groove (2) through a lower chuck circumferential limiting structure (3), a lower chuck fixing assembly (5) is further arranged at the bottom of the lower chuck groove (2), an upper chuck (6) and an upper chuck driving mechanism (7) capable of driving the upper chuck (6) to lift in the vertical direction are further arranged on the base (1), the upper chuck (6) is located on the upper side of the lower chuck (4), and the upper chuck (6) and the lower chuck (4) are combined to form a plurality of disc clamping grooves (8); the lower chuck clamping groove (2) is also internally provided with a plurality of discharging ejection assemblies (36) which are in one-to-one correspondence with the chuck clamping grooves (8), each discharging ejection assembly (36) comprises an ejection groove (37), the axial line of each ejection groove (37) is superposed with the axial line of each chuck clamping groove (8), each ejection groove (37) is internally connected with an ejection block (38) in a sliding manner, each lower chuck plate (4) is also provided with an ejection hole (39) matched with the ejection block (38), the cross section of each ejection block (38) is circular, the outer side wall of each ejection block (38) is abutted against the inner side wall of each ejection groove (37), and each ejection groove (37) is also internally provided with an elastic piece (40) capable of driving each ejection block (38) to move upwards; base (1) top still be equipped with two tight piece (41) of clamp that set up along circumference at least, just base (1) on still be equipped with press from both sides tight piece (41) one-to-one and can drive and press from both sides tight piece (41) and press from both sides tight piece driver (42) of the downward motion of dish groove (2) direction of clamp, press from both sides tight piece driver (42) and have an output shaft that can follow straight reciprocating motion, the output shaft tip that presss from both sides tight piece driver (42) links to each other with pressing from both sides tight piece (41), the cross-section of pressing from both sides tight piece (41) be trapezoidal and trapezoidal cross-section be close to down and press from both sides the same arcwall face (43) of dish groove (2) radian down.

2. A disc clamping device according to claim 1, wherein the lower chuck fixing assembly (5) comprises a first annular negative pressure flow passage (28) and a second annular negative pressure flow passage (29) which are arranged in the base (1) and are communicated with each other through a connecting flow passage (27), the diameter of the second annular negative pressure flow passage (29) is larger than that of the first annular negative pressure flow passage (28), a plurality of negative pressure holes (30) arranged along the circumferential direction are arranged on the first annular negative pressure flow passage (28) and the second annular negative pressure flow passage (29), the negative pressure hole (30) is vertically arranged, the top of the negative pressure hole is communicated with the lower chuck groove (2), the negative pressure holes (30) and the disc clamping grooves (8) are arranged in a staggered manner, the middle part of the connecting flow passage (27) is also connected with a main negative pressure flow passage (31) with an L-shaped section, the end part of the main negative pressure flow passage (31) is connected with a negative pressure machine (33) through a hose (32).

3. A disc clamping device according to claim 1 or 2, wherein the disc clamping groove (8) comprises a plurality of upper limit structures (9) arranged on the upper chuck (6) and a plurality of disc circumferential limit structures (10) arranged on the lower chuck (4), the upper limit structures (9) and the disc circumferential limit structures (10) are in one-to-one correspondence, a positioning structure (11) is further arranged between the upper chuck (6) and the lower chuck (4), the cross sections of the upper chuck (6) and the lower chuck (4) are circular, the upper limit structures (9) on the upper chuck (6) comprise an upper limit structure (9) arranged at the center of the upper chuck (6) and a plurality of upper limit structures (9) uniformly circumferentially arranged along the upper limit structure (9), and the disc circumferential limit structures (10) on the lower chuck (4) comprise a disc circumferential limit structure (10) arranged at the center of the lower chuck (4) The disc circumferential limiting structures (10) are uniformly and circumferentially arranged on the limiting structures (10) and the plurality of disc circumferential limiting structures (10).

4. A disc clamping device according to claim 3, wherein the disc circumferential limiting structure (10) includes an inner limiting seat (12) disposed on the lower chuck plate (4) and protruding outward, the inner limiting seat (12) has a circular cross section, the side portion of the circular cross section of the inner limiting seat (12) is provided with an inward recessed lower limiting step (13), the disc circumferential limiting structure (10) further includes an outer limiting seat (14) disposed outside the inner limiting seat (12), the cross section of the outer limiting seat (14) is annular, the shortest distances from each portion of the inner side wall of the outer limiting seat (14) to the outer side wall of the inner limiting seat (12) are equal, the outer limiting seat (14) and the inner limiting seat (12) are combined to form a limiting groove (15) having an annular cross section, the outer limiting seat (14) is further provided with a disc positioning groove (16), the disc positioning groove (16) in the disc circumferential limiting structure (10) on the outer side is disposed on the outer limiting seat (14) closest to the inner side of the outer limiting seat (14) A disc circumferential limiting structure (10);

the upper limiting structure (9) comprises a disc processing groove (17) arranged on the upper chuck plate (6), a plurality of limiting blocks (18) which are arranged along the circumferential direction and the end parts of which point to the circle center of the disc processing groove (17) are arranged on one side of the disc processing groove (17), and the end parts of the limiting blocks (18) are inserted into the disc processing groove (17); the positioning structure (11) comprises two upper chuck positioning grooves (19) arranged on an upper chuck (6) and two upper chuck positioning blocks (20) arranged on a lower chuck (4) and matched with the upper chuck positioning grooves (19), the cross section of each upper chuck positioning groove (19) is rectangular, one side of the rectangular cross section is provided with an arc surface (21), and the two upper chuck positioning grooves (19) are symmetrically arranged along the central line of the upper chuck (6).

5. A disc clamping device according to claim 1 or 2, wherein the upper chuck driving mechanism (7) comprises four upper chuck drivers (22) arranged at the bottom of the base (1) along the circumferential direction, a driver mounting part (23) in a rectangular ring shape is arranged at the outer side of the bottom of the base (1), the four upper chuck drivers (22) are all arranged on the driver mounting part (23), the upper chuck drivers (22) are provided with lifting shafts (24) capable of lifting along the vertical direction, and the tops of the lifting shafts (24) penetrate through the base (1) and are connected with the tops of the upper chucks (6) through connecting blocks (25);

the connecting block (25) is hinged with the lifting shaft (24), and the connecting block (25) is detachably connected with the upper chuck plate (6) through a bolt;

go up (6) top outside be equipped with inside sunken and the cross-section is annular connecting block installation department (26), connecting block (25) top flush with last (6) top of holding.

6. A disc clamping device according to claim 1 or 2, wherein the lower chuck circumferential limiting structure (3) comprises a lower chuck positioning block (34) arranged on the side wall of the lower chuck slot (2), the cross section of the lower chuck positioning block (34) is semicircular, and a lower chuck positioning slot (35) matched with the lower chuck positioning block (34) is arranged on the lower chuck (4).

7. A disc clamping device according to claim 1 or 2, wherein the elastic member (40) is a compression spring, and two ends of the compression spring are fixedly connected with the bottom of the ejecting groove (37) and the lower end surface of the ejecting block (38) respectively; the base (1) on still be equipped with a plurality of groups and press from both sides spacing spout (44) of tight piece (41) one-to-one, every spacing spout of group (44) includes two inside sunken spacing spouts (44), two spacing spouts (44) are along pressing from both sides the central line symmetry setting of tight piece (41), press from both sides tight piece (41) bottom be equipped with two and insert respectively in two spacing spouts (44) and with spacing spout (44) sliding connection's spacing slider.