CN217201095U

CN217201095U - Automatic clamping and feeding device

Info

Publication number: CN217201095U
Application number: CN202123237283.6U
Authority: CN
Inventors: 周鑫金; 吴文凯
Original assignee: Auria Auto Parts Shanghai Co ltd
Current assignee: Auria Auto Parts Shanghai Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-08-16
Anticipated expiration: 2031-12-21

Abstract

The application relates to an automatic clamping and feeding device, relates to the technical field of automotive interior processing equipment, and aims to solve the problem that a large amount of labor force is consumed to frequently move the position of a raw material in the process of improving the heat-pressing treatment of a blank blanket raw material. An automatic clamping and feeding device comprises a bracket and a hot press arranged on the bracket, wherein a hot pressing table is arranged below the hot press, and a feeding platform is arranged at one end of the hot press; sliding rails are arranged on two sides of the hot press and extend along the length direction of the hot press and the feeding platform; the sliding rail is provided with a sliding plate in a sliding mode along the length direction of the sliding rail, a clamping assembly used for clamping raw materials is arranged on the side wall, away from the sliding rail, of the sliding plate, and a driving structure used for driving the sliding plate to move along the length direction of the sliding rail is arranged on one side, away from the sliding plate, of the sliding rail. This application has automatic centre gripping raw materials and carries out the effect of removing.

Description

Automatic clamping and feeding device

Technical Field

The application relates to the technical field of automobile interior ornament processing equipment, in particular to an automatic clamping and feeding device.

Background

Currently, a carpet for automobile ride is an interior article for covering the inner floor of an automobile, which is specifically manufactured according to the inner shape of the automobile. During the production of carpet, the sheet shaped raw carpet material is hot pressed by a hot press to form a specific mold shape.

In the related technology, when the carpet is subjected to a hot pressing process, an operator needs to firstly move the raw material of the embryonic carpet at the feeding platform to the heating table, and preheat the raw material of the embryonic carpet through a heating machine; then, the operator moves the blank blanket raw material after the preheating treatment to a hot pressing table below the hot press, and the blank blanket raw material is subjected to hot pressing treatment through the hot press; after the hot pressing is finished, the embryo carpet raw materials are often adhered to the hot press, and the embryo carpet raw materials after the hot pressing are collected by operators, so that the line production is facilitated.

In view of the above-mentioned related art, the inventors found that at least the following problems exist in the art: in the process of hot-pressing the embryonic carpet raw material, the operator is required to frequently move the position of the raw material, which is very labor-consuming, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that consumes a large amount of labours frequently to remove the raw materials position among the embryo blanket raw materials heat pressing treatment process, this application provides an automatic centre gripping loading attachment.

The application provides an automatic centre gripping loading attachment adopts following technical scheme:

an automatic clamping and feeding device comprises a bracket and a hot press arranged on the bracket, wherein a hot pressing table is arranged below the hot press, and a feeding platform is arranged at one end of the hot press; sliding rails are arranged on two sides of the hot press and extend along the length direction of the hot press and the feeding platform; the sliding rail is provided with a sliding plate in a sliding mode along the length direction of the sliding rail, a clamping assembly used for clamping raw materials is arranged on the side wall, away from the sliding rail, of the sliding plate, and a driving structure used for driving the sliding plate to move along the length direction of the sliding rail is arranged on one side, away from the sliding plate, of the sliding rail.

Through adopting above-mentioned technical scheme, the centre gripping subassembly carries out the centre gripping to the raw materials, and drive structure drive sliding plate removes along slide rail length direction to realize that centre gripping subassembly centre gripping raw materials transports in proper order to the warm table and preheats, and the hot pressing platform carries out the hot pressing process of hot pressing, has reduced the continuous labour who removes the raw materials of operating personnel, and has improved production efficiency.

Preferably, the clamping assembly comprises a supporting frame, a pushing piece, a connecting block and a clamping plate; the supporting frame is arranged on the side wall of the sliding plate far away from the sliding rail, the pushing piece is arranged on the side wall of the supporting frame far away from the sliding plate, the connecting block is arranged at the output end of the pushing piece, and the clamping plate is arranged on the side wall of the connecting block close to the feeding platform; the output end of the pushing piece can drive the clamping plate to move close to the sliding plate so as to clamp the raw materials.

By adopting the technical scheme, the pushing piece and the clamping plate are suspended by the supporting frame so as to reserve a gap for vertical displacement of the clamping plate; the output end of the pushing piece extends out, and the clamping plate is driven by the connecting block to move close to the sliding plate so as to clamp the raw materials by the clamping plate and the sliding plate; the output end of the pushing piece contracts, and the clamping plate is driven by the connecting block to move away from the sliding plate, so that the clamping plate is separated from clamping the raw material.

Preferably, the driving structure comprises a driving motor, a positioning seat, a rotating shaft, a driving gear, a connecting plate and a transmission rack; the driving motor is arranged on one side, away from the sliding plate, of one sliding rail, and the positioning seat is arranged on one side, away from the sliding plate, of the other sliding rail; the rotating shaft is arranged between the output end of the driving motor and the positioning seat, and the driving gear is arranged on the outer edge of the rotating shaft; the connecting plate is arranged on the side wall of the sliding plate close to the sliding rail, and the transmission rack is arranged at one end of the connecting plate far away from the sliding plate; the transmission rack is meshed with the driving gear.

By adopting the technical scheme, the output end of the driving motor rotates forwards, the rotating shaft drives the driving gear to rotate forwards, and the driving gear drives the transmission rack to move towards the direction far away from the feeding platform, so that the sliding plate can be moved to the heating platform and the hot pressing platform in sequence; the output end of the driving motor rotates reversely to drive the rotating shaft to rotate reversely, the driving gear is driven to rotate reversely after the driving motor rotates, the driving gear drives the transmission rack to move towards the direction close to the feeding platform so as to drive the sliding plate to move towards the direction close to the feeding platform, and therefore the driving structure is driven to drive the sliding plate to move along the length direction of the sliding rail.

Preferably, a positioning rod is arranged on the outer side wall of the support, and a guide wheel which abuts against the transmission rack is arranged at one end, close to the transmission rack, of the positioning rod.

By adopting the technical scheme, when the transmission rack moves along the length direction of the sliding plate, the guide wheel is abutted against the transmission rack so as to reduce the phenomenon that the transmission rack is separated from the driving gear.

Preferably, the hot press is provided with a blanking frame at the end far away from the feeding platform, the blanking frame is provided with a discharging plate in a sliding manner, the end, close to the sliding plate, of the discharging plate is fixedly connected with the sliding plate, and one side, far away from the hot press, of the hot press platform is provided with a telescopic piece used for driving the hot press platform to lift.

Through adopting above-mentioned technical scheme, the output of extensible member contracts, drives the hot pressing platform and descends, and at this moment, the sliding plate drives the stripper orientation and is close to the direction of loading platform, moves to hot pressing bench top to in accept the raw materials that hot pressing finishes on the hot press.

Preferably, one end of the discharging plate, which is close to the discharging frame, is rotatably provided with a roller, and the side wall of the discharging frame, which is close to the roller, is provided with a pulley groove for the roller to move along the length direction of the discharging frame.

Through adopting above-mentioned technical scheme, when the stripper shifted along unloading frame length direction, the gyro wheel slided in the pulley groove, had been transformed into rolling friction with the plane friction between stripper and the unloading platform, had reduced the frictional resistance between stripper and the unloading platform to the stripper removes.

Preferably, one end of the sliding plate, which is far away from the hot press, is provided with a telescopic belt, one end of the telescopic belt is connected with the sliding plate, and the other end of the telescopic belt is connected with one end of the sliding rail, which is far away from the hot press.

Through adopting above-mentioned technical scheme, the flexible area that is rich in elasticity can stretch out and draw back along the removal of sliding plate to the flexible area covers the slide rail upper surface, has reduced debris and has dropped to the slide rail in to the removal of sliding plate cause the interference.

Preferably, one side of the sliding plate, which is far away from the feeding platform, is provided with a protective crawler belt, and one end of the sliding plate, which is far away from the hot press, is provided with a connecting rod; one end of the protection crawler belt, which is far away from the hot press, is connected with the connecting rod, and one end of the protection crawler belt, which is close to the hot press, is fixedly connected to the ground; the protective crawler belt can be wound towards the direction close to the hot press.

By adopting the technical scheme, the lead of the pushing piece is fixedly connected to the protective track through the binding belt, when the sliding plate moves along the length direction of the length of the sliding rail, the protective track can follow the sliding plate to wind towards the direction close to the hot press, so that the interference of the lead clamped inside the device when the whole device works is reduced, and the interference to the operation of the whole device is caused.

Preferably, guide plates for limiting the moving path of the protection crawler are arranged on two sides of the protection crawler in the width direction, and the guide plates extend along the length direction of the sliding plate.

By adopting the technical scheme, the guide plate limits the moving path of the protection crawler, reduces the occurrence of the deflection phenomenon of the protection crawler, and improves the stability of the directional rolling of the protection crawler.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the output end of the pushing piece extends out to drive the clamping plate to abut against the sliding plate so as to clamp the raw material; the output end of the driving motor rotates, the rotating shaft drives the driving gear to rotate, and the driving gear drives the transmission rack to move so as to achieve the purpose that the device clamps the raw material to move, and labor force of operators is reduced.

2. The hot pressing table is descended through the contraction of the output end of the telescopic piece; the discharging plate is driven to move towards the direction close to the feeding platform on the discharging frame through the sliding plate so as to move the discharging plate to the lower part of the hot press and be used for receiving materials which are subjected to hot pressing by the hot press; move near the unloading frame direction through the sliding plate orientation for the unloading plate drives the material that hot pressing finishes and removes to unloading frame department, thereby has reduced the artifical labour of carrying the material of operating personnel, has also improved the production efficiency of material.

Drawings

Fig. 1 is a schematic structural diagram of an automatic clamping and feeding device according to an embodiment of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of section B of FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along line C-C of FIG. 1;

fig. 5 is a schematic view of the connection for embodying the discharge frame and the discharge plate structure.

Description of reference numerals:

1. a support; 11. a hot press; 111. a hot-pressing table; 1111. a telescoping member; 12. a heating stage; 121. a heater; 13. a feeding platform; 14. positioning a rod; 141. a guide wheel; 15. a blanking frame; 151. a pulley groove; 2. a slide rail; 21. a sliding plate; 211. a stretchable band; 212. a connecting rod; 3. a clamping assembly; 31. a support frame; 32. a pusher member; 33. connecting blocks; 34. a clamping plate; 341. saw teeth; 4. a drive structure; 41. a drive motor; 42. positioning seats; 43. a rotating shaft; 44. a drive gear; 45. a connecting plate; 46. a drive rack; 5. a stripper plate; 51. a roller; 6. a protective crawler belt; 61. a guide plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an automatic clamping and feeding device.

Referring to fig. 1 and 2, the automatic clamping and feeding device comprises a support 1 erected on the ground and a hot press 11 connected to the support 1 through an oil cylinder, and a hot pressing table 111 is placed on the ground below the hot press 11. Be connected with the extensible member 1111 that drives hot pressing platform 111 lift between hot pressing platform 111 and the ground, in this embodiment, extensible member 1111 is for promoting the hydro-cylinder. A heating stage 12 for preheating the raw material is placed on the ground at one end of the hot-pressing stage 111.

Referring to fig. 1 and 2, a heater 121 is fixedly connected to a side wall of the bracket 1 near the heating table 12 through an oil cylinder, and the oil cylinder can drive the heater 121 to move up and down. One end of the heating table 12 far away from the hot-pressing table 111 is connected with a feeding platform 13 so as to facilitate the laying of raw materials by operators.

Referring to fig. 1 and 2, two sets of slide rails 2 are oppositely built on two sides of the hot pressing table 111 in the width direction through foot supports, and each set of slide rails 2 extends along the length direction from the hot press 11 to the feeding platform 13. The upper surface of each slide rail 2 is connected with a sliding plate 21 along the length direction of the slide rail 2, and one end of each sliding plate 21 close to the feeding platform 13 is inclined towards the direction close to the slide rail 2, so that the two ends of the raw material in the width direction are abutted against the sliding plates 21. Each sliding plate 21 is kept away from the lateral wall of slide rail 2 and is connected with two sets of centre gripping subassemblies 3, and two sets of centre gripping subassemblies 3 all set up along the length direction of sliding plate 21, and slide rail 2 is kept away from the subaerial drive structure 4 that is provided with of sliding plate 21.

Referring to fig. 1 and 2, each set of clamping assemblies 3 includes three sets of supporting frames 31, three sets of pushing members 32, three sets of connecting blocks 33 and clamping plates 34; in this embodiment, the pushing element 32 is a pushing cylinder, and the supporting frame 31, the pushing element 32 and the connecting block 33 are all in one-to-one correspondence. Each supporting frame 31 is fixedly connected to the side wall of the sliding plate 21 far away from the sliding rail 2 through a bolt, and each pushing piece 32 is welded and fixed to the side wall of the supporting frame 31 far away from the sliding plate 21, so that a gap is reserved between the output end of the pushing piece 32 and the sliding plate 21.

Referring to fig. 1 and 2, each connecting block 33 is fixedly welded to the output end of the pushing member 32, and the output end of the pushing member 32 can drive the connecting block 33 to move up and down when stretching. The clamping plate 34 is fixedly connected to the side wall of the three groups of connecting blocks 33 close to the feeding platform 13 in a welding manner, a plurality of saw teeth 341 are integrally formed on the side wall of the clamping plate 34 close to the sliding plate 21, and all the saw teeth 341 are distributed along the length direction of the clamping plate 34; when the output end of the pushing element 32 extends, the connecting block 33 and the clamping plate 34 are driven to move close to the sliding plate 21, so that the saw teeth 341 and the sliding plate 21 clamp the raw material, and the clamping stability of the clamping plate 34 on the raw material is increased.

Referring to fig. 3 and 4, the driving structure 4 includes a driving motor 41, a positioning seat 42, a rotating shaft 43, a driving gear 44, a connecting plate 45 and a transmission rack 46; in the present embodiment, the positioning seat 42 is a bearing seat. The driving motor 41 and the positioning seat 42 are oppositely arranged at two sides of the hot pressing table 111 in the width direction, the driving motor 41 is fixedly connected to the ground of one of the slide rails 2 far away from the sliding plate 21, and the positioning seat 42 is fixedly connected to the ground of the other slide rail 2 far away from the sliding plate 21.

Referring to fig. 3 and 4, the rotating shaft 43 is connected between the driving motor 41 and the positioning seat 42, one end of the rotating shaft 43 is fixedly connected with the output end of the driving motor 41, and the other end of the rotating shaft 43 is rotatably connected with the positioning seat 42 through a bearing. The driving gears 44 are fixedly connected to the outer edge of the rotating shaft 43, and the driving gears 44 are respectively located at both ends of the rotating shaft 43 in the length direction.

Referring to fig. 3 and 4, the connecting plate 45 is welded and fixed to the side wall of the sliding plate 21 close to the sliding rail 2, the transmission rack 46 is welded and fixed to one end of the connecting plate 45 far away from the sliding plate 21, and the transmission rack 46 is meshed with the driving gear 44. When the output end of the driving motor 41 rotates, the rotating shaft 43 drives the driving gear 44 to rotate, and the driving gear 44 drives the transmission rack 46 to move.

Referring to fig. 3 and 4, a positioning rod 14 is welded and fixed on the outer side wall of the bracket 1, one end of the positioning rod 14, which is close to the transmission rack 46, is rotatably connected with a guide wheel 141 through a bearing, and the guide wheel 141 abuts against the side wall of the transmission rack 46, which is far away from the heating table 12, so as to position the transmission rack 46 and reduce the occurrence of the phenomenon of deviation of the transmission rack 46.

Referring to fig. 1 and 2, two telescopic belts 211 are adhesively connected to one end of each sliding plate 21 away from the hot press 11, and one end of each telescopic belt 211 away from the sliding plate 21 is fixedly connected to the iron plate at one end of the sliding rail 2 away from the hot press 11. When the sliding plate 21 moves along the length direction of the sliding rail 2, the sliding plate 21 can drive the telescopic belt 211 to extend and retract.

Referring to fig. 1 and 2, two guide plates 61 are fixedly connected to the ground on one side of each sliding plate 21 away from the loading platform 13 through bolts, and all the guide plates 61 extend along the length direction of the sliding plate 21. A protective crawler belt 6 is arranged between the two guide plates 61, and one end of the antiskid crawler belt is fixedly connected with one ends of the two guide plates 61 close to the hot press 11.

Referring to fig. 1 and 2, a connecting rod 212 is fixed to the side wall of the sliding plate 21 close to the sliding rail 2 in a welding manner, the connecting rod 212 is located at one end of the sliding plate 21 far away from the hot press 11, and one end of the guard track 6 far away from the hot press 11 is fixed to the connecting rod 212 in an adhering manner. The wires connected with all the pushing pieces 32 are fixedly connected to the protective track 6 through the binding belts, and when the sliding plate 21 moves towards the direction close to the hot press 11, one end of the protective track 6 far away from the hot press 11 can be wound towards the direction close to the hot press 11.

Referring to fig. 1 and 5, one end of the hot pressing platform 111, which is far away from the feeding platform 13, is connected with a discharging frame 15, and the upper surface of the discharging frame 15 is connected with a discharging plate 5 in a sliding manner. One end of the stripper plate 5 close to the sliding plates 21 is fixedly connected with the two sliding plates 21 through connecting rods. One end of the discharging plate 5, which is far away from the sliding plate 21, is rotatably connected with a roller 51, and a pulley groove 151 is formed in the side wall of the discharging frame 15, which is close to the roller 51, so that the roller 51 can slide in the pulley groove 151 along the length direction of the pulley groove 151.

The implementation principle of the automatic clamping and feeding device in the embodiment of the application is as follows:

when the automatic feeding device works, an operator lays raw materials on the feeding platform 13 and controls the output end of the pushing piece 32 to extend out; the output end of the pushing member 32 drives the connecting block 33 and the clamping plate 34 to move in the direction close to the sliding plate 21, and the saw teeth 341 and the sliding plate 21 clamp the raw material.

The output end of the driving motor 41 is controlled to rotate positively, the rotating shaft 43 drives the driving gear 44 to rotate positively, and the transmission rack 46 drives the sliding plate 21 to slide towards the direction close to the blanking frame 15, so that two pairs of clamping components 3 respectively clamp one raw material and sequentially transport the raw material to the heating table 12 and the hot pressing table 111.

The oil cylinder drives the heater 121 to preheat the raw material on the heating table 12, and the preheated raw material is clamped by the clamping assembly 3 and moves to the hot-pressing table 111 through the sliding plate 21; the output end of the pushing member 32 contracts, which drives the connecting block 33 and the clamping plate 34 to move away from the sliding plate 21, and the saw teeth 341 are disengaged from clamping the raw material.

The oil cylinder pushes the hot press 11 to carry out hot pressing on the raw materials, and after the hot pressing is finished, the raw materials move along with the hot press 11 towards the direction far away from the hot pressing table 111; the output end of the telescopic member 1111 is controlled to contract, so as to drive the hot pressing table 111 to move towards the direction far away from the hot press 11.

The output end of the driving motor 41 rotates reversely, the rotating shaft 43 drives the driving gear 44 to rotate reversely, the transmission rack 46 drives the sliding plate 21 to slide towards the direction far away from the blanking frame 15, the sliding plate 21 drives the discharging plate 5 to move to the lower side of the hot press 11, and the hot press 11 drops the raw materials onto the discharging plate 5 through the inner ejector pins. At this point, the pair of gripper assemblies 3 remote from the discharge frame 15 is moved to the loading platform 13, ready to move a new feedstock.

After the pair of clamping assemblies 3 far away from the blanking frame 15 clamps the new raw material, the operator controls the output end of the driving motor 41 to rotate forward, and the pair of clamping assemblies 3 far away from the blanking frame 15 drives the new raw material to move to the heating table 12 for preheating; a pair of clamping components 3 close to the blanking frame 15 drives the preheated raw material to move to the hot-pressing table 111, and the output end of the telescopic piece 1111 is controlled to stretch out to drive the hot-pressing table 111 to ascend so as to prepare for placing the preheated raw material on the hot-pressing table 111 to perform hot-pressing treatment.

Meanwhile, the sliding plate 21 drives the discharging plate 5 to move towards the discharging frame 15, and the discharging plate 5 drives the hot-pressed raw materials to move to the discharging frame 15, so that the operator can collect the hot-pressed raw materials conveniently.

The above are all preferred embodiments of the present application, and do not sequentially limit the scope of the present application, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An automatic clamping and feeding device comprises a support (1) and a hot press (11) arranged on the support (1), wherein a hot pressing table (111) is arranged below the hot press (11), and a feeding platform (13) is arranged at one end of the hot press (11); the method is characterized in that: the two sides of the hot press (11) are provided with slide rails (2), and the slide rails (2) extend along the length direction of the hot press (11) and the feeding platform (13); the sliding rail (2) is provided with a sliding plate (21) in a sliding mode along the length direction of the sliding rail (2), the side wall, away from the sliding rail (2), of the sliding plate (21) is provided with a clamping assembly (3) used for clamping raw materials, and one side, away from the sliding plate (21), of the sliding rail (2) is provided with a driving structure (4) used for driving the sliding plate (21) to move along the length direction of the sliding rail (2).

2. The automatic clamping and feeding device as claimed in claim 1, wherein: the clamping assembly (3) comprises a supporting frame (31), a pushing piece (32), a connecting block (33) and a clamping plate (34); the supporting frame (31) is arranged on the side wall, far away from the sliding rail (2), of the sliding plate (21), the pushing piece (32) is arranged on the side wall, far away from the sliding plate (21), of the supporting frame (31), the connecting block (33) is arranged at the output end of the pushing piece (32), and the clamping plate (34) is arranged on the side wall, close to the feeding platform (13), of the connecting block (33); the output end of the pushing piece (32) can drive the clamping plate (34) to move close to the sliding plate (21) so as to clamp the raw materials.

3. The automatic clamping and feeding device as claimed in claim 1, wherein: the driving structure (4) comprises a driving motor (41), a positioning seat (42), a rotating shaft (43), a driving gear (44), a connecting plate (45) and a transmission rack (46); the driving motor (41) is arranged on one side, away from the sliding plate (21), of one sliding rail (2), and the positioning seat (42) is arranged on one side, away from the sliding plate (21), of the other sliding rail (2); the rotating shaft (43) is arranged between the output end of the driving motor (41) and the positioning seat (42), and the driving gear (44) is arranged on the outer edge of the rotating shaft (43); the connecting plate (45) is arranged on the side wall, close to the sliding rail (2), of the sliding plate (21), and the transmission rack (46) is arranged at one end, far away from the sliding plate (21), of the connecting plate (45); the transmission rack (46) is meshed with the driving gear (44).

4. The automatic clamping and feeding device as claimed in claim 3, wherein: the outer side wall of the support (1) is provided with a positioning rod (14), and one end, close to the transmission rack (46), of the positioning rod (14) is provided with a guide wheel (141) which is abutted against the transmission rack (46).

5. The automatic clamping and feeding device of claim 2, wherein: one end, far away from loading platform (13), of hot press (11) is provided with unloading frame (15), unloading frame (15) is provided with stripper (5) in a sliding manner, the one end, close to sliding plate (21), of stripper (5) is fixedly connected with sliding plate (21), one side, far away from hot press (11), of hot press platform (111) is provided with extensible member (1111) for driving hot press platform (111) to lift.

6. The automatic clamping and feeding device as claimed in claim 5, wherein: one end, close to the blanking frame (15), of the discharging plate (5) is rotatably provided with a roller (51), and a pulley groove (151) for the roller (51) to move along the length direction of the blanking frame (15) is formed in the side wall, close to the roller (51), of the blanking frame (15).

7. The automatic clamping and feeding device as claimed in claim 1, wherein: one end, far away from the hot press (11), of the sliding plate (21) is provided with a telescopic belt (211), one end of the telescopic belt (211) is connected with the sliding plate (21), and the other end of the telescopic belt (211) is connected with one end, far away from the hot press (11), of the sliding rail (2).

8. The automatic clamping and feeding device as claimed in claim 1, wherein: a protective crawler belt (6) is arranged on one side of the sliding plate (21) far away from the feeding platform (13), and a connecting rod (212) is arranged at one end of the sliding plate (21) far away from the hot press (11); one end, far away from the hot press (11), of the protective crawler (6) is connected with the connecting rod (212), and one end, close to the hot press (11), of the protective crawler (6) is fixedly connected to the ground; the protective crawler (6) can be wound towards the direction close to the hot press (11).

9. The automatic clamping and feeding device as claimed in claim 8, wherein: and guide plates (61) used for limiting the moving path of the protective crawler (6) are arranged on two sides of the protective crawler (6) in the width direction, and the guide plates (61) extend along the length direction of the sliding plate (21).