CN214723266U

CN214723266U - Automatic burnishing device of drift

Info

Publication number: CN214723266U
Application number: CN202120771774.XU
Authority: CN
Inventors: 黄志鑫; 梁仁盛; 张勇; 翁惠琳; 孔志坚
Original assignee: Guangdong Huaxing Glass Co
Current assignee: Guangdong Huaxing Glass Co
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-16
Anticipated expiration: 2031-04-15

Abstract

The application provides an automatic burnishing device of drift includes: the device comprises a case, wherein a workbench is arranged on the case; at least one polishing structure, each polishing structure comprising a punch holding assembly and a polishing medium holding assembly; the punch clamping assembly comprises a chuck and a driving motor, the chuck is arranged on the workbench and used for fixing the target polishing punch, and the driving motor is connected with the chuck; the polishing medium clamping assembly comprises a clamping piece and a driving cylinder, the clamping piece is positioned above the chuck, polishing media are fixed at the bottom end of the clamping piece and are abutted with the target polishing punch, and the driving cylinder is connected with the top end of the clamping piece; and the controller is arranged in the case and is electrically connected with the driving motor and the driving cylinder respectively. This application need not the manual work, and the polishing dynamics is balanced, improves the quality of glass bottle, and improves polishing efficiency simultaneously.

Description

Automatic burnishing device of drift

Technical Field

The application relates to the technical field of punch polishing, in particular to an automatic punch polishing device.

Background

In the production process of the glass bottle, a primary mould forming procedure and a moulding forming procedure are required, wherein the primary mould forming procedure is very important for the forming quality of the glass bottle, especially for the large-mouth bottle with the diameter of a bottle mouth being more than or equal to 30 mm. In the process of manufacturing the glass bottle by adopting the pressure blowing method, the primary mould forming procedure uses a pressing method to extend the punch head into the cavity of the primary mould so as to deform the feed liquid and force the feed liquid to enter the neck ring of the primary mould, thereby forming a blank of the glass bottle; and then entering a molding forming procedure, namely moving the blank into a forming cavity of a forming die, and blowing the blank into a glass bottle in a manner of introducing compressed air into a blowing head. Wherein, the smooth finish (i.e. surface roughness) of the mould punch will directly influence the quality of the glass bottle, if the smooth finish of the mould punch does not meet the requirement, the material blank is not separated from the punch effectively, so that the inner surface of the product is not smooth, thereby being difficult to meet the requirement of customers.

Therefore, the surface of the punch needs to be polished to make the punch smooth. However, the polishing method for the punch in the prior art mainly includes the following two methods: firstly, horizontally clamping a punch on a machine, driving the punch to rotate at a high speed by the machine, holding a polishing medium by a worker and attaching the polishing medium to the punch for polishing; and secondly, horizontally installing the clamp with the polishing medium on the machine, driving the polishing medium to rotate at a high speed by the machine, and then holding the punch by a worker to be attached to the polishing medium. The polishing modes are all manufactured by manual polishing, and the surface smoothness of the punch is inconsistent due to unbalanced manual polishing force, so that the inner surface of the glass bottle is not smooth, the quality of the glass bottle is influenced, and the efficiency is low; there are also potential safety hazards.

Therefore, the prior art has defects and needs to be improved urgently.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide an automatic burnishing device of drift solves current automatic polishing equipment and all adopts artifical polishing, and the dynamics is uneven, leads to drift surface smoothness inconsistent, causes glass bottle internal surface unsmooth, influences the problem of glass bottle quality, can improve the polishing quality of drift.

The embodiment of the application provides an automatic burnishing device of drift, includes:

the device comprises a case, wherein a workbench is arranged on the case;

at least one polishing structure, each of said polishing structures comprising a punch holding assembly and a polishing medium holding assembly; the punch clamping assembly comprises a chuck and a driving motor, the chuck is arranged on the workbench and used for fixing the target polishing punch, and the driving motor is connected with the chuck; the polishing medium clamping assembly comprises a clamping piece and a driving cylinder, the clamping piece is positioned above the chuck, polishing media are fixed at the bottom end of the clamping piece and abut against a target polishing punch, and the driving cylinder is connected with the top end of the clamping piece;

the controller is arranged in the case and is electrically connected with the driving motor and the driving cylinder respectively.

The automatic polishing device for the punch provided by the embodiment of the application is characterized in that at least one polishing structure is arranged on a case, a target polishing punch is fixed through a chuck of the polishing structure, a driving cylinder is controlled by a controller to drive a clamping piece with a polishing medium fixed at the bottom end to reciprocate, the polishing medium abutted against the target polishing punch is driven to reciprocate along the length direction of the target polishing punch so as to perform polishing, and meanwhile, a driving motor is controlled by the controller to drive the chuck to rotate so as to drive the target polishing punch to rotate, so that the polishing position of the target polishing punch is changed, the automatic polishing of the punch is realized, the manual work is not needed, the polishing force is balanced, the quality of a glass bottle is improved, and the polishing efficiency is improved; and the intelligent management, the automatic operation and the conventional execution of the polishing machine can be realized through the controller, so that the equipment is suitable for a standardized production line.

Preferably, in the automatic punch polishing device according to the embodiment of the present application, the chuck includes a mounting seat and a plurality of jaws; the mounting seat is connected with an output shaft of the driving motor, and a deep groove bearing is sleeved between the mounting seat and the output shaft of the driving motor; the jack catch set up in on the mount pad for with target polishing drift looks joint, just the jack catch with the link of mount pad with the terminal surface of mount pad flushes.

Preferably, in the automatic punch polishing device according to the embodiment of the present application, the driving cylinder is a cylinder, and an output shaft of the cylinder is connected to a top end of the clamping member; the controller controls the air cylinder to drive the clamping piece to reciprocate so as to drive the polishing medium to reciprocate along the length direction of the target polishing punch.

Preferably, in the automatic punch polishing device according to the embodiment of the present application, the clamping member includes at least one clamping bracket, each clamping bracket is composed of two clamping sheets arranged oppositely, and each polishing medium is fixed to the bottom ends of the clamping sheets; every be provided with the tension structure on the centre gripping support, the tension structure includes screw rod, set nut and spring, the screw rod passes two of relative setting the holding piece for adjust two of relative setting distance between the holding piece, set nut is used for spacingly the screw rod, the spring housing is located on the screw rod.

Preferably, the automatic punch polishing device according to the embodiment of the present application further includes a magnetic switch, the magnetic switch is disposed on the driving cylinder, and is electrically connected to the controller, and is used for positioning a position of an output shaft of the driving cylinder; the magnetic switch is a magnetic switch with the model of SMA-8M-DS, the magnetic switch is arranged on the driving air cylinder through a U-shaped mounting frame, a clamping portion extends towards the outer side from the open end of the U-shaped mounting frame, the U-shaped mounting frame covers the magnetic switch and is clamped in the dovetail groove of the driving air cylinder through the clamping portion, a limit screw is arranged at the closed end of the U-shaped mounting frame, and the limit screw is used for limiting the magnetic switch.

Preferably, in the automatic burnishing device of drift of this application embodiment, the machine case comprises last box, well box and lower box that from last to feeding through in proper order down, the width of box is greater than down the width of well box with the top surface of box forms down the workstation, driving motor set up in the well box, the width of going up the box is greater than the width of well box, drive actuating cylinder set up in the last box.

Preferably, in the automatic drift polishing device of this application embodiment, the controller set up in the well box, just be provided with the industry human-computer interface touch-sensitive screen on going up the box, the industry human-computer interface touch-sensitive screen with controller electric connection.

Preferably, in the automatic burnishing device of drift of this application embodiment, still include and shut down alarm suggestion subassembly, shut down alarm suggestion subassembly set up in go up on the box, just shut down alarm suggestion subassembly and include warning light and loudspeaker, the warning light with loudspeaker respectively with controller electric connection.

Preferably, in the automatic burnishing device of drift of this application embodiment, still include the button subassembly, the button subassembly includes button case and a plurality of button, the button case protrusion set up in the side of box down, just the top surface of button case is the inclined panel, and is a plurality of the button set up in on the inclined panel, the button with controller electric connection.

Preferably, in the automatic burnishing device of drift of this application embodiment, still include lubricating oil assembly, lubricating oil assembly includes oil tank, lubricating oil burette, oil level gaugember and oil return tank, the oil tank set up in the well box, the lubricating oil burette with the oil tank intercommunication stretch out in the well box is outer and aim at polishing medium, the oil level gaugember set up in on the well box, and with controller electric connection, be provided with the oil gallery on the workstation, lubricating oil in the oil gallery is carried extremely through returning oil pipe the oil return tank, a plurality of oil return pipes communicate with each other through tee bend pipe fitting connection.

Drawings

Fig. 1 is a schematic structural diagram of an automatic punch polishing apparatus in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a polishing structure of an automatic punch polishing device in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a U-shaped mounting frame of an automatic punch polishing device in an embodiment of the present application.

Fig. 4 is a schematic flow chart of an automatic punch polishing method in an embodiment of the present application.

Description of reference numerals: 100. a chassis; 101. a work table; 110. an upper box body; 120. a middle box body; 200. polishing the structure; 300. a magnetic switch; 400. an industrial human-machine interface touch screen; 500. a button assembly; 130. a lower box body; 10. a punch clamping assembly; 11. a chuck; 111. a mounting seat; 112. a claw; 20. a polishing medium holding assembly; 21. a clamping member; 211. clamping the bracket; 2111. a clamping piece; 212. a tensioning structure; 2121. a screw; 2122. positioning a nut; 2123. a spring; 31. a clamping part; 32. a fiber screw; 510. a button box; 511. a bezel; 520. a button.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

In the description of the present application, it should be noted that the terms "top end", "bottom end", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, are only used for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.

It should also be noted that, unless expressly stated or limited otherwise, the terms "disposed" and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1-2, fig. 1 is a schematic structural diagram of an automatic punch polishing apparatus according to an embodiment of the present disclosure; fig. 2 is a schematic structural diagram of a polishing structure of an automatic punch polishing device in an embodiment of the present application. This drift automatic burnishing device includes:

a case 100, wherein a workbench 101 is arranged on the case 100;

at least one polishing structure 200, each polishing structure 200 comprising a punch holding assembly 10 and a polishing medium holding assembly 20; the punch clamping assembly 10 comprises a chuck 11 and a driving motor, the chuck 11 is arranged on the workbench 101 and used for fixing a target polishing punch, and the driving motor is connected with the chuck 11; the polishing medium clamping assembly 20 comprises a clamping piece 21 and a driving cylinder, the clamping piece 21 is positioned above the chuck 11, the polishing medium is fixed at the bottom end of the clamping piece 21 and is abutted against a target polishing punch, and the driving cylinder is connected with the top end of the clamping piece 21;

and the controller is arranged in the case 100, is respectively electrically connected with the driving motor and the driving cylinder, and is used for controlling the driving motor to drive the chuck 11 to drive the target polishing punch to rotate and simultaneously controlling the driving cylinder to drive the clamping piece 21 to reciprocate so as to drive the polishing medium to reciprocate along the length direction of the target polishing punch.

It should be noted that the automatic punch polishing device provided by the embodiment of the present application, at least one polishing structure 200 is disposed on the machine box 100, the target polishing punch is fixed by the chuck 11 of the polishing structure 200, and the controller controls the driving cylinder to drive the clamping piece 21 with the polishing medium fixed at the bottom end to reciprocate, so as to drive the polishing medium abutted to the target polishing punch to reciprocate along the length direction of the target polishing punch for polishing, and simultaneously, the controller controls the driving motor to drive the chuck 11 to rotate so as to drive the target polishing punch to rotate, so as to replace the polishing position of the target polishing punch, so as to achieve automatic polishing of the punch, without manual work, the polishing force is balanced, the quality of a glass bottle is improved, and the polishing efficiency is improved.

Specifically, the automatic burnishing device of drift that this application embodiment provided still can control through the controller and drive actuating cylinder drive holder and drive polishing medium along the length direction reciprocating motion settlement time of target polishing drift to carry out vertical polishing, then control driving motor drive chuck through the controller and drive the target polishing drift rotatory settlement distance, with the polishing position of changing target polishing drift, repeat above-mentioned step until the roughness of target polishing drift reaches the setting value, in order to realize the vertical polishing of drift, can eliminate the horizontal line that produces at the drift surface in the polishing process, when reducing the drift and stretching into the primary mould die cavity resistance with the feed liquid, improve material embryo shaping efficiency.

In addition, intelligent management, automatic operation and conventional execution of the polishing machine can be realized through the controller, so that the equipment is suitable for a standardized production line. In practical application, the rotating speed of an output shaft of the driving motor can be adjusted through the controller to adapt to the polishing degree required by the punch, so that rough polishing or fine polishing is realized; the controller can control the start and stop of the driving motor and the driving cylinder to control the polishing running time, the equipment can automatically stop polishing within set time, the polishing progress does not need to be monitored constantly, and labor is saved.

In practical applications, if a plurality of polishing structures 200 are disposed on the worktable 101, the plurality of polishing structures 200 can be controlled by the controller at the same time, so as to realize multi-station polishing. Specifically, the polishing is generally performed by adopting a mode of combining two polishing structures 200, for example, in the embodiment shown in fig. 1, four polishing structures 200 are arranged on the worktable 101, two polishing structures 200 are combined in pairs, and the middle is sealed by glass cement, so that the difficulty of the length machining center of the worktable and the stroke of the surface grinder can be solved, and the flowing and the backflow of the lubricating oil used in the polishing process of the worktable 101 are facilitated while the working effect of the worktable 101 is not influenced. Meanwhile, manual polishing is completely replaced by the four-station punch polishing machine, after the target polishing punch is fixed, the rotating speed of an output shaft of a driving motor and polishing time are set, automatic polishing can be achieved, an operator can carry out operation across posts or multiple posts, and manpower resources are saved.

As shown in fig. 2, in the automatic punch polishing device according to the embodiment of the present invention, the chuck 11 includes a mounting seat 111 and a plurality of jaws 112, the mounting seat 111 is connected to an output shaft of a driving motor, and the jaws 112 are disposed on the mounting seat 111 and are used for being engaged with a target polishing punch. In practical applications, the number of jaws 112 is 3.

Further, a bearing is sleeved between the mounting seat 111 and the output shaft of the driving motor, and the bearing can reduce friction between the output shaft and the mounting seat 11 to further generate vibration, which affects the stability of the device. In practical application, the bearing may be an end face bearing, but preferably, in the automatic punch polishing device according to the embodiment of the present application, the bearing employs a deep groove bearing, which may further increase stability, so that the output shaft of the driving motor does not loosen during operation, and rotates smoothly.

Preferably, in the automatic punch polishing device according to the embodiment of the application, the connecting end of the clamping jaw 112 and the mounting seat 111 is flush with the end surface of the mounting seat 112, so that potential safety hazards caused by the fact that the clamping jaw 112 protrudes out of the mounting seat 112 in the operation process can be avoided. In practical application, the diameter of the mounting seat 112 is preferably 100mm, so that the mounting seat can be well adapted to a light punch, does not occupy an assembly area, and is convenient to operate.

It should be noted that, in the automatic punch polishing device according to the embodiment of the present application, the holding member 21 includes at least one holding bracket 211, each holding bracket 211 is formed by two holding pieces 2111 arranged oppositely, and each polishing medium is fixed to the bottom end of the holding piece 2111. In practice, the polishing medium may be oilstone.

Preferably, each clamping bracket 211 is provided with a tensioning structure 212, the tensioning structure 212 includes a screw rod 2121, a positioning nut 2122 and a spring 2123, the screw rod 2121 penetrates through the two oppositely arranged clamping pieces 2111 for adjusting the distance between the two oppositely arranged clamping pieces 2111, the positioning nut 2122 is used for limiting the screw rod 2121, and the spring 2123 is sleeved on the screw rod 2121. In practical application, the tightness degree between the polishing medium on the two clamping pieces 2111 and the target polishing punch can be adjusted by adjusting the distance between the two clamping pieces 2111 which are oppositely arranged, so that the polishing efficiency and quality of the punch can be adjusted timely according to requirements.

Further, in the automatic punch polishing device in the embodiment of the application, a magnetic switch 300 is further included, and the magnetic switch 300 is disposed on the driving cylinder and is used for positioning the position of the output shaft of the driving cylinder. In practical application, the magnetic switch 300 is electrically connected with the controller, and the polishing stroke is positioned and controlled by the controller by sensing the position of the piston in the driving cylinder.

The model of the magnetic switch can be CS1-J, but the magnetic switch of CS1-J has weak magnetism, which may cause positioning failure and the like. Therefore, in the punch automatic polishing device of the embodiment of the application, the magnetic switch is a magnetic switch with the model of SMA-8M-DS. The magnetic switch of the type has the advantages of high magnetism, good sensitivity and good use effect. In practical application, the magnetic switch of the type can be manufactured into a fixed piece through a spring piece, and the magnetic switch of the type SMA-8M-DS is arranged on a dovetail groove of a driving air cylinder and can move up and down. Preferably, the automatic punch polishing device according to the embodiment of the present application is a U-shaped mounting bracket specially used for a magnetic switch of SMA-8M-DS type, please refer to fig. 3 at the same time, and fig. 3 is a schematic structural diagram of the U-shaped mounting bracket of the automatic punch polishing device according to the embodiment of the present application. Specifically, the open end of U type mounting bracket has joint portion 31 towards outside extension, and U type mounting bracket covers magnetic switch and passes through joint portion 31 joint in the dovetail of driving actuating cylinder. Furthermore, a limit screw 32 is further arranged at the closed end of the U-shaped mounting frame, and the magnetic switch can be limited by adjusting the tightening degree of the fiber screw.

The automatic burnishing device of drift that this application embodiment provided can adjust the rotational speed of driving motor's output shaft and the frequency of the output shaft of actuating cylinder etc. through the controller, combines tensioning structure 212 to the adjustment of the elasticity degree between polishing medium and the target polishing drift, from this, can adjust the polishing efficiency and the quality of drift in good time as required. And the drift burnishing machine of this application embodiment can polish once more to the drift that is difficult to polish after the oxidation, retrieves and recycles, can the energy saving, reduces extravagantly.

Preferably, in the automatic punch polishing device according to the embodiment of the present application, the housing 100 is composed of an upper housing 110, a middle housing 120, and a lower housing 130 which are sequentially connected from top to bottom, a width of the lower housing 130 is greater than a width of the middle housing 120 to form the working table 101 on a top surface of the lower housing 130, the driving motor is disposed in the middle housing 120, a width of the upper housing 110 is greater than a width of the middle housing 120, and the driving cylinder is disposed in the upper housing 110 and sealed by a cylinder cover plate.

In practical application, the multi-station driving motors are arranged inside the left side of the middle box body 120 in parallel, power lines of the drivers are arranged orderly, the setting height and the setting position are reasonable, and daily use observation, cleaning and future maintenance are facilitated; the controller is arranged on the insulating plate and vertically arranged in the electric cabinet, the electric cabinet is arranged inside the right side of the middle box body 120, and the operator and the maintainer stand to perform daily use observation, cleaning and future maintenance with high arm operation.

Further, in the automatic punch polishing device according to the embodiment of the present application, the industrial human-machine interface touch screen 400 is disposed on the upper case 130, the industrial human-machine interface touch screen 400 is electrically connected to the controller, and the rotation speed, the polishing operation time and the like of each station driving motor can be controlled and set by setting on the industrial human-machine interface touch screen 400, so that the operation is convenient.

Preferably, in the automatic punch polishing device of the embodiment of the present application, a shutdown alarm prompting component (not shown in the figure) is further included, the shutdown alarm prompting component is disposed on the upper box body 110, the shutdown alarm prompting component includes an alarm lamp and a horn, and the alarm lamp and the horn are respectively electrically connected to the controller. Through shutting down warning suggestion subassembly, in time let operating personnel know that certain station in the automatic polishing of burnishing machine has accomplished the setting time polishing and shut down, can be convenient for the operating personnel leave the post and carry out the operation of many posts.

Specifically, the automatic punch polishing device according to the embodiment of the present application further includes a button assembly 500, the button assembly 500 includes a button box 510 and a plurality of buttons 520, the button box 510 is convexly disposed at a side of the lower case 130, a top surface of the button box 510 is a slanted panel 511, the plurality of buttons 520 are disposed on the slanted panel 511, the buttons 520 are electrically connected to the controller, and the slanted panel 511 facilitates daily operations of the switches and the buttons 520.

In practical application, the whole case 100 is formed by bending stainless steel sheets of cover plates and doors of the case shell by using a bending machine, and the welded polishing case is attractive in appearance and convenient to clean daily. The frame constituting the chassis 100 is formed by a stainless steel square tube of 50 x 2, and a middle vertical column square tube is eliminated, so that the weight of the frame material is reduced.

In addition, the fonts on the case 100, such as fonts on the side of the button 520, factory marks on the cylinder cover plate, station serial numbers, equipment names, manufacturing departments and the like, are printed by laser, so that the signboard is clear and attractive, is convenient to clean daily, and does not fall off.

Preferably, in the automatic drift polishing device of this application embodiment, still include the lubricating oil subassembly, the lubricating oil subassembly includes the oil tank, the lubricating oil burette, oil level gaugember and oil return tank, the oil tank sets up in well box 120, the lubricating oil burette communicates with the oil tank to stretch out in well box 120 outside in order to aim at polishing medium, the oil level gaugember sets up on well box 120, and with controller electric connection, be provided with the oil return groove on the workstation 101, lubricating oil in the oil return groove is carried to the oil return tank through returning oil pipe, a plurality of oil return pipes communicate with each other through tee bend pipe fitting connection. In practice, the oil return tank is generally disposed in the lower case 130.

Referring to fig. 4, fig. 4 is a schematic flow chart illustrating an automatic punch polishing method according to an embodiment of the present application. The automatic polishing method of the punch adopts the automatic polishing device of the punch; the method comprises the following steps:

s1, controlling the polishing medium to reciprocate along the length direction of the target polishing punch for a set time so as to carry out longitudinal polishing;

s2, controlling the target polishing punch to rotate for a set distance so as to replace the polishing position of the target polishing punch;

and S3, repeating the steps S1 to S2 until the surface roughness of the target polishing punch reaches the set value.

It should be noted that, in the automatic punch polishing method provided in the embodiment of the present application, after the polishing medium is controlled to reciprocate along the length direction of the target polishing punch for a set time, the target polishing punch is controlled to rotate for a set distance to change the polishing position of the target polishing punch, and then the above steps are repeated until the surface roughness of the target polishing punch reaches a set value, so as to achieve longitudinal polishing of the punch, and eliminate transverse grains generated on the outer surface of the punch during the polishing process.

Specifically, the driving cylinder is controlled by the controller to drive the clamping piece 21 to drive the polishing medium to reciprocate for a set time along the length direction of the target polishing punch so as to perform longitudinal polishing, then the controller controls the driving motor to drive the chuck 11 to drive the target polishing punch to rotate for a set distance so as to replace the polishing position of the target polishing punch, the steps are repeated until the surface roughness of the target polishing punch reaches a set value so as to achieve longitudinal polishing of the punch, transverse grains generated on the outer surface of the punch in the polishing process can be eliminated, the resistance between the punch and a feed liquid when the punch extends into a primary die cavity is reduced, and the forming efficiency of a blank is improved. The setting time of the reciprocating motion of the polishing medium along the length direction of the target polishing punch, the setting distance of the rotation of the target polishing punch and the setting value of the surface roughness of the target polishing punch can be set according to the actual situation, and are not limited herein.

In practical application, the steps are realized through programming inside the controller.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic punch polishing device is characterized by comprising:

the device comprises a case (100), wherein a workbench (101) is arranged on the case (100);

at least one polishing structure (200), each polishing structure (200) comprising a punch clamping assembly (10) and a polishing medium clamping assembly (20); the punch clamping assembly (10) comprises a chuck (11) and a driving motor, the chuck (11) is arranged on the workbench (101) and used for fixing a target polishing punch, and the driving motor is connected with the chuck (11); the polishing medium clamping assembly (20) comprises a clamping piece (21) and a driving cylinder, the clamping piece (21) is positioned above the chuck (11), polishing media are fixed at the bottom end of the clamping piece (21), the polishing media are abutted with a target polishing punch, and the driving cylinder is connected with the top end of the clamping piece (21);

the controller is arranged in the case (100) and is electrically connected with the driving motor and the driving cylinder respectively.

2. The automatic punch burnishing apparatus of claim 1, wherein the chuck (11) comprises a mount (111) and a plurality of jaws (112); the mounting seat (111) is connected with an output shaft of the driving motor, and a deep groove bearing is sleeved between the mounting seat (111) and the output shaft of the driving motor; the clamping jaw (112) is arranged on the mounting seat (111) and is used for being clamped with a target polishing punch, and the connecting end of the clamping jaw (112) and the mounting seat (111) is flush with the end face of the mounting seat (111).

3. The automatic punch burnishing apparatus according to claim 1, wherein the clamping member (21) comprises at least one clamping bracket (211), each clamping bracket (211) is composed of two clamping pieces (2111) disposed oppositely, and each burnishing medium is fixed to the bottom ends of the clamping pieces (2111); each clamping support (211) is provided with a tensioning structure (212), each tensioning structure (212) comprises a screw rod (2121), a positioning nut (2122) and a spring (2123), each screw rod (2121) penetrates through two clamping pieces (2111) which are oppositely arranged and is used for adjusting the distance between the two clamping pieces (2111) which are oppositely arranged, each positioning nut (2122) is used for limiting the corresponding screw rod (2121), and each spring (2123) is sleeved on the corresponding screw rod (2121).

4. The automatic punch polishing device according to claim 1, further comprising a magnetic switch (300), wherein the magnetic switch (300) is disposed on the driving cylinder and electrically connected to the controller for positioning the output shaft of the driving cylinder.

5. The automatic punch polishing device according to claim 4, wherein the magnetic switch (300) is a magnetic switch (300) with the model of SMA-8M-DS, the magnetic switch (300) is arranged on the driving cylinder through a U-shaped mounting frame, a clamping portion (31) extends towards the outer side from the opening end of the U-shaped mounting frame, the U-shaped mounting frame covers the magnetic switch (300) and is clamped in a dovetail groove of the driving cylinder through the clamping portion (31), a limiting screw (32) is arranged at the closed end of the U-shaped mounting frame, and the limiting screw (32) is used for limiting the magnetic switch (300).

6. The automatic punch polishing device according to claim 1, wherein the case (100) is composed of an upper case (110), a middle case (120) and a lower case (130) which are sequentially communicated from top to bottom, the width of the lower case (130) is greater than that of the middle case (120) so as to form the worktable (101) on the top surface of the lower case (130), the driving motor is disposed in the middle case (120), the width of the upper case (110) is greater than that of the middle case (120), and the driving cylinder is disposed in the upper case (110).

7. The automatic punch polishing device according to claim 6, wherein the controller is disposed in the middle box (120), and an industrial human-machine interface touch screen (400) is disposed on the upper box (110), wherein the industrial human-machine interface touch screen (400) is electrically connected to the controller.

8. The automatic punch polishing device according to claim 6, further comprising a shutdown alarm prompting component, wherein the shutdown alarm prompting component is arranged on the upper box body (110), and comprises an alarm lamp and a horn, and the alarm lamp and the horn are respectively electrically connected with the controller.

9. The automatic punch polishing device according to claim 6, further comprising a button assembly (500), wherein the button assembly (500) comprises a button box (510) and a plurality of buttons (520), the button box (510) is convexly disposed on a side of the lower case (130), a top surface of the button box (510) is a sloped panel (511), the plurality of buttons (520) are disposed on the sloped panel (511), and the buttons (520) are electrically connected to the controller.

10. The automatic punch polishing device according to claim 6, further comprising a lubricating oil assembly, wherein the lubricating oil assembly comprises an oil tank, a lubricating oil dropper, an oil level indicator and an oil return tank, the oil tank is disposed in the middle box body (120), the lubricating oil dropper is communicated with the oil tank, protrudes out of the middle box body (120) and is aligned with a polishing medium, the oil level indicator is disposed on the middle box body (120) and is electrically connected with the controller, an oil return groove is disposed on the workbench (101), lubricating oil in the oil return groove is conveyed to the oil return tank through an oil return pipe, and a plurality of oil return pipes are connected and communicated through a tee pipe.