CN112828071A

CN112828071A - Clout recovery unit is used in punch press production

Info

Publication number: CN112828071A
Application number: CN202011619053.3A
Authority: CN
Inventors: 佘方元; 罗洪涛; 梁达龙
Original assignee: Dongguan Hailuo Industrial Co ltd
Current assignee: Dongguan Hailuo Industrial Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-05-25
Anticipated expiration: 2040-12-30
Also published as: CN112828071B

Abstract

The invention relates to the field of punching, in particular to a surplus material recovery device for punch production, which comprises a base, a punching die assembly, a coil assembly and a material guide assembly, wherein the base is provided with a plurality of guide holes; the stamping die assembly is fixedly arranged at one end of the base; the coil stock assembly is fixedly arranged at the other end of the base; the material guide assembly is fixedly arranged on the base and is positioned between the stamping die assembly and the material rolling assembly; the coil assembly comprises a support plate, a pressing assembly and reel assemblies, and the two groups of reel assemblies are rotatably arranged on the support plate; compress tightly subassembly slidable mounting in the backup pad, just it is located two sets ofly to compress tightly the subassembly between the reel subassembly, through the coil stock subassembly can carry out the coil stock to the corner clout and collect, and the corner clout after the collection passes through the mode of coil stock, can carry out the miniature product of punching press to the corner clout once more, has improved the utilization ratio of panel.

Description

Clout recovery unit is used in punch press production

Technical Field

The invention belongs to the field of punching, and particularly relates to a waste material recovery device for punch production.

Background

The production of the punch press is a processing method which makes the plate directly bear deformation force and deform in a die by the power of conventional or special punch press equipment, thereby obtaining a product with a certain shape.

In the production process, the plate is subjected to punch forming by adopting the maximum cutting size according to the size of a product, so that the utilization rate of the plate is improved, but more leftover materials still exist; to the leftover bits and pieces of panel among the prior art, often adopt the mould to cut into the piece and handle, collect as the waste material after artifical clearance, not only extravagant a large amount of manpowers, do not carry out rational utilization to the leftover bits and pieces simultaneously, cause the waste of resource.

Disclosure of Invention

Aiming at the problems, the invention provides a surplus material recovery device for punch production, which comprises a base, a stamping die assembly, a coil material assembly and a material guide assembly, wherein the base is provided with a plurality of guide holes;

the stamping die assembly is fixedly arranged at one end of the base; the coil stock assembly is fixedly arranged at one end of the base, which is far away from the stamping die assembly; the material guide assembly is fixedly arranged on the base and is positioned between the stamping die assembly and the material rolling assembly;

the coil assembly comprises a supporting plate, a pressing assembly and reel assemblies, wherein the two reel assemblies are rotatably arranged on the supporting plate, and are vertically aligned and arranged in parallel;

the pressing assembly is slidably mounted on the supporting plate and located between the two groups of winding drum assemblies, and the pressing assembly is fixedly connected with the two groups of winding drum assemblies through springs.

Further, the reel assembly comprises a reel and a coil transmission shaft;

the coiling transmission shaft is provided with a convex block, and the coiling block is movably clamped on the convex block;

an annular groove is annularly formed in the outer circular surface of one end of the coil transmission shaft, a buckle ring is movably sleeved on the annular groove, and the buckle ring is elastically connected with the pressing assembly through a spring; the coil stock transmission shaft rotates to be installed in the backup pad, and two sets of the rotation direction of coil stock transmission shaft is opposite.

Further, the winding drum comprises a winding drum body, a first through hole is formed in the winding drum body, and the first through hole is overlapped with the central axis of the winding drum body;

the first through hole is movably sleeved on the coil transmission shaft, a fourth groove is formed in the inner wall of the first through hole, and the lug is movably clamped in the fourth groove.

Further, the pressing assembly comprises a sliding block; two groups of guide holes are formed in the upper end of the sliding block, and the guide holes penetrate through the two ends of the sliding block;

two groups of pressing plates are fixedly arranged on one side of the sliding block, and the two groups of pressing plates are arranged in an up-and-down symmetrical manner; two sets of all fixed mounting has arc portion, every group on one side face of pressure strip the arcwall face of arc portion is towards a set of the outer disc of reel barrel, just the arcwall face orientation of arc portion with the direction of rotation of coil stock transmission shaft is relative.

Furthermore, a first groove is formed in the surface of one side of the support plate, and two groups of guide rods are arranged on the inner wall of the first groove in the vertical direction; the guide holes are sleeved on the guide rods in a sliding mode, and the pressing assembly can slide in the first groove through the two groups of guide rods and the guide holes;

two groups of servo motors are mounted on the other side of the plate surface of the supporting plate, and the output end of each group of servo motors is in transmission connection with one group of coil material transmission shafts through a coupler; and the two groups of coil transmission shafts are respectively positioned at two ends of the first groove.

Furthermore, a plurality of groups of long grooves are formed in the outer circular surface of the winding drum body along the central axis; the plurality of groups of long-shaped grooves are distributed on the outer circular surface of the drum body in an annular array; the length direction of the long-shaped groove is parallel to the central axis of the winding drum body;

two groups of third grooves are formed in the long groove and are respectively close to two ends of the winding drum body; a plurality of groups of buckling blocks are arranged on the outer circle surface of the winding drum body at equal intervals along the central axis, and the plurality of groups of buckling blocks are movably clamped in the third groove through a telescopic spring; each group of the buckling blocks are respectively clamped in a group of the long grooves.

Further, the material guiding assembly comprises a material guiding support plate;

a material guide plate is hinged to one side surface of the material guide supporting plate, and a feeding plate is clamped to one side surface of the material guide supporting plate, which is far away from the material guide plate; the upper surface and the lower surface of the material guide plate are fixedly connected with one side surface of the material guide supporting plate through elastic pieces.

Furthermore, an arc-shaped groove is formed in one side face of the guide supporting plate, an opening at the long end of the arc-shaped groove faces the guide plate, a second through hole is formed in the bottom of the arc-shaped groove, and the second through hole is communicated with the inside of the arc-shaped groove; the inner walls of the two sides of the second through hole are provided with cutters;

a fifth groove is formed in one side face, far away from the material guide plate, of the material guide supporting plate and is communicated with the second through hole; one end of the feeding plate is clamped in the fifth groove;

one end of the material guide plate is fixedly provided with an arc-shaped connecting part, and the arc-shaped connecting part is movably hinged in the arc-shaped groove; a first feeding channel is formed in the material guide plate, penetrates through the arc-shaped connecting portion and is communicated with the second through hole.

Furthermore, a second feeding channel is arranged in the feeding plate, and the first feeding channel is communicated with the second feeding channel.

The invention has the beneficial effects that:

1. the corner leftover stamping device is provided with the coiling assembly, the corner leftover can be coiled and collected through the coiling assembly, the collected corner leftover can be stamped into a miniature product again through a coiling mode, and the utilization rate of plates is improved;

2. according to the invention, the compressing assembly is arranged in the material rolling assembly, and the leftover materials can be compressed while being rolled in the material rolling process through the compressing assembly, so that the occupied volume of the material rolling is reduced, and the management of the leftover materials in a warehouse is facilitated;

3. the invention is provided with the guide assembly, the leftover bits and pieces can be rolled and collected while being produced in the stamping production process through the guide assembly, when a roll of leftover bits and pieces is collected for a certain volume, the leftover bits and pieces can be automatically switched to the next rolling shaft, the rolling shaft does not need to be switched after the stamping equipment is stopped, the production efficiency of products is improved, and the collection efficiency of the leftover bits and pieces is improved.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 shows a schematic structural diagram of a scrap recycling apparatus according to an embodiment of the present invention;

FIG. 2 shows a schematic structural view of a coil assembly according to an embodiment of the invention;

FIG. 3 shows a cross-sectional schematic view of a spool assembly according to an embodiment of the present invention;

FIG. 4 shows a schematic structural view of a spool according to an embodiment of the present invention;

FIG. 5 shows a schematic structural diagram of a hold-down assembly according to an embodiment of the present invention;

FIG. 6 shows a schematic structural diagram of a support plate according to an embodiment of the invention;

figure 7 shows a schematic cross-sectional view of a guide assembly according to an embodiment of the invention;

fig. 8 shows an enlarged schematic view of portion a of fig. 6.

In the figure: 1. a base; 2. a stamping die assembly; 3. a coil assembly; 31. a support plate; 311. a first groove; 312. a guide bar; 313. a servo motor; 314. an electric push rod; 32. a compression assembly; 321. a slider; 322. a guide hole; 323. a compression plate; 3231. an arc-shaped portion; 33. a spool assembly; 34. a reel; 341. a drum body; 342. a first through hole; 343. a long-shaped groove; 344. a third groove; 345. a buckling block; 346. a fourth groove; 35. a coil stock drive shaft; 351. a bump; 352. a buckle ring; 4. a material guiding assembly; 41. a material guide plate; 411. a first feed channel; 412. an arc-shaped connecting part; 42. a material guiding support plate; 421. an arc-shaped slot; 422. a second through hole; 423. a fifth groove; 424. a cutter; 43. a feeding plate; 431. a second feed channel; 44. an elastic member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention provides a surplus material recovery device for punch production, which comprises a base 1, a stamping die assembly 2, a coil assembly 3 and a material guide assembly 4. Illustratively, as shown in fig. 1, the stamping die assembly 2 is fixedly mounted at one end of the base 1; the coil stock component 3 is fixedly arranged at one end of the base 1 far away from the stamping die component 2; the material guide assembly 4 is fixedly installed on the base 1 and is located between the stamping die assembly 2 and the material rolling assembly 3.

The leftover bits and pieces produced after stamping production in the stamping die component 2 enter the material guide component 4 through a material outlet end on one side of the stamping die component 2, the material guide component 4 conveys the leftover bits and pieces to the coil component 3, and the leftover bits and pieces are coiled and collected through the coil component 3; set for the number of turns of coil stock in coil stock subassembly 3, motor stall after reaching the coil stock number of turns that has set for, the staff utilizes lifting device to put the whole coil of clout with the corner clout that has rolled up this moment and send to the warehouse after neatly and manage, right but corner clout reuse stamping die produces miniature product, has not only improved the utilization ratio of corner clout, and resources are saved has reduced manufacturing cost simultaneously.

The roll assembly 3 includes a support plate 31, a hold-down assembly 32, and a spool assembly 33. Illustratively, as shown in fig. 2, two groups of reel assemblies 33 are rotatably mounted on the support plate 31, and the two groups of reel assemblies 33 are vertically aligned and arranged in parallel; the pressing assembly 32 is slidably mounted on the support plate 31, and the pressing assembly 32 is located between the two sets of reel assemblies 33; the pressing assemblies 32 are fixedly connected with the two groups of winding drum assemblies 33 through springs respectively.

The spool assembly 33 includes a spool 34 and a roll drive shaft 35. Illustratively, as shown in fig. 3 and 4, a projection 351 is provided on the roll material transmission shaft 35, and the winding drum 34 is movably clamped on the projection 351. An annular groove is annularly formed in the outer circular surface of one end of the coil transmission shaft 35, a buckle ring 352 is movably sleeved on the annular groove, and the buckle ring 352 is elastically connected with the pressing assembly 32 through a spring; the coil stock transmission shaft 35 is rotatably installed on the support plate 31, and the rotating directions of the two groups of coil stock transmission shafts 35 are opposite.

Specifically, the winding drum 34 includes a winding drum body 341, a first through hole 342 is formed in the winding drum body 341, and the first through hole 342 coincides with a central axis of the winding drum body 341; the first through hole 342 is movably sleeved on the coil transmission shaft 35, a fourth groove 346 is formed in the inner wall of the first through hole 342, and the projection 351 is movably clamped in the fourth groove 346;

a plurality of groups of long grooves 343 are formed on the outer circular surface of the drum body 341 along the central axis; a plurality of groups of the elongated grooves 343 are distributed on the outer circumferential surface of the drum body 341 in an annular array; the length direction of the elongated groove 343 is parallel to the central axis of the roll body 341;

two groups of third grooves 344 are formed in the elongated groove 343, and the two groups of third grooves 344 are respectively close to two ends of the drum body 341; a plurality of groups of buckling blocks 345 are arranged on the outer circular surface of the winding drum body 341 at equal intervals along the central axis, and the plurality of groups of buckling blocks 345 are movably clamped in the third groove 344 through a telescopic spring; each set of the locking blocks 345 is locked in one set of the elongated slots 343.

In an initial state, the outer circle diameters of the plurality of groups of the buckling blocks 345 are larger than the outer circle diameter of the winding drum body 341, when the plurality of groups of the buckling blocks 345 are squeezed, the telescopic springs in the third groove compress, the plurality of groups of the buckling blocks 345 are clamped in the third groove 344, and the outer circle diameters formed by the plurality of groups of the buckling blocks 345 are the same as the outer circle diameter of the winding drum body 341.

Further, the pressing assembly 32 includes a slider 321. For example, as shown in fig. 5, two groups of guide holes 322 are formed in the upper end of the sliding block 321, and the guide holes 322 penetrate through two ends of the sliding block 321; the sliding block 321 is slidably connected with the supporting plate 31 through the guide hole 322; two groups of pressing plates 323 are fixedly arranged on one side of the sliding block 321, and the two groups of pressing plates 323 are arranged in an up-and-down symmetrical manner; arc-shaped parts 3231 are fixedly mounted on one side plate surface of each group of the pressing plates 323, the arc-shaped surface of each group of the arc-shaped parts 3231 faces the outer circular surface of one group of the winding drum body 341, and the arc-shaped surface of each group of the arc-shaped parts 3231 faces the rotating direction of one group of the coil transmission shafts 35; when the corner clout is followed when the rotation direction of coil stock transmission shaft 35 carries out the coil stock, through arc portion 3231's arcwall face, the corner clout coil stock is more smooth and easy during, the jamming phenomenon can not appear.

For example, as shown in fig. 6, a first groove 311 is formed in a plate surface of one side of the support plate 31, and two sets of guide rods 312 are arranged on an inner wall of the first groove 311 in the vertical direction; the guide hole 322 is slidably sleeved on the guide rod 312, and the pressing component 32 can slide in the first groove 311 through two sets of guide rods 312 and the guide hole 322.

Two groups of servo motors 313 are arranged on the other side of the plate surface of the supporting plate 31, and the output ends of the servo motors 313 are in transmission connection with a group of coil transmission shafts 35 through couplers; the two groups of coil transmission shafts 35 are respectively positioned at the upper end and the lower end of the first groove 311.

The supporting plate 31 is close to still install two sets of electric putter 314 on one side of coil stock transmission shaft 35, and is a set of electric putter 314 is located another group electric putter 314's top, electric putter 314 be used for with reel subassembly 33 is followed the central line orientation of coil stock transmission shaft 35 is kept away from the direction of supporting plate 31 removes, and the cooperation lifting device shifts the corner clout of rolling up to the warehouse.

The servo motor 313 drives the coil stock transmission shaft 35 to rotate, the coil stock transmission shaft 35 drives the winding drum 34 to rotate, and when the leftover bits and pieces enter the winding drum assembly 33 through the material guide assembly 4, the winding drum assembly 33 curls the leftover bits and pieces;

the stub bar of the leftover material enters a gap between the buckling block 345 and the drum body 341 along the outer circular surface of the drum 34, at this time, the buckling block 345 is pressed by the pressing plate 323 of the pressing assembly 32 under the elastic action of the spring, and the buckling block 345 drives the stub bar of the leftover material to enter the third groove 344, so that the stub bar of the leftover material is pressed; the winding drum 34 starts to roll the leftover materials, and the plurality of groups of the buckling blocks 345 are all buckled in the third groove 344 under the extrusion of the leftover materials in the material rolling process.

When the winding thickness of the leftover bits and pieces is increased along the outer circular surface of the winding drum body 341, the pressing plate 323 is extruded by the turned edge of the leftover bits and pieces, the pressing plate 323 passes through the sliding block 321 to move downwards, the pressing plate 323 plays a reverse pressure to the turned edge of the leftover bits and pieces under the action of the spring tension, the turned edge of the leftover bits and pieces can be rolled and extruded simultaneously, and the compression volume of each circle of rolled materials is improved.

It should be noted that the distance between the two sets of reel assemblies 33 can be adjusted adaptively according to the size of the leftover material in the actual production process.

The material guiding assembly 4 comprises a material guiding support plate 42. For example, as shown in fig. 7 and 8, a material guide plate 41 is hinged to one side surface of the material guide support plate 42, and a material feeding plate 43 is snap-fitted to one side surface of the material guide support plate 42 away from the material guide plate 41; the upper surface and the lower surface of the material guide plate 41 are fixedly connected with one side surface of the material guide support plate 42 through an elastic piece 44;

further, an arc-shaped groove 421 is formed in one side surface of the material guide supporting plate 42, an opening of a long end of the arc-shaped groove 421 faces the material guide plate 41, a second through hole 422 is formed in the bottom of the arc-shaped groove 421, and the second through hole 422 is communicated with the inside of the arc-shaped groove 421; cutters 424 are mounted on the inner walls of the two sides of the second through hole 422, and the cutters 424 are used for cutting the leftover bits and pieces.

A fifth groove 423 is formed in one side surface of the material guide supporting plate 42 away from the material guide plate 41, and the fifth groove 423 is communicated with the second through hole 422; one end of the feeding plate 43 is engaged with the fifth groove 423.

An arc-shaped connecting part 412 is fixedly installed at one end of the material guide plate 41, and the arc-shaped connecting part 412 is movably hinged in the arc-shaped groove 421; a first feeding channel 411 is formed in the material guide plate 41, and the first feeding channel 411 penetrates through the arc-shaped connecting portion 412 and is communicated with the second through hole 422.

A second feeding channel 431 is arranged in the feeding plate 43, the first feeding channel 411 is communicated with the second feeding channel 431, and the leftover materials enter the reel cylinder 341 through the second feeding channel 431 and the first feeding channel 411.

When a set of during the turn-up thickness of the leftover bits on the reel barrel 341 is crescent gradually, the turn-up extrusion of coil stock the stock guide 41 moves down, works as when the leftover bits number of turns on the reel barrel 341 reaches the number of turns of settlement, the leftover bits in the first pay-off passageway 411 with cutter 424 on the second through-hole 422 inner wall extrudees, cutter 424 will the leftover bits cut, and is a set of this moment the reel barrel 341 accomplishes the coil stock work of a set of leftover bits.

The material guide plate 41 moves downwards to the other group of the reel cylinder 341 under the action of the elastic member 44, the leftover bits and pieces enter the other group of the reel cylinder 341 through the second feeding channel 431 and the first feeding channel 411 to start the material rolling work, when the thickness of the curled edge is gradually increased, the curled edge extrudes the material guide plate 41 to move upwards, when the material rolling reaches the set number of turns, the leftover bits and pieces in the first feeding channel 411 and the cutter 424 on the inner wall of the second through hole 422 extrude, the cutter 424 cuts the leftover bits and pieces, and at this time, the material rolling work is completed; the guide plate 41 reciprocates up and down through the curled edge thickness of the corner excess material on the drum body 341 in the material rolling process, so that the automatic material rolling switching is realized, the shutdown of the stamping die assembly 2 is not needed for material rolling switching, and the production efficiency is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a clout recovery unit is used in punch press production which characterized in that: the excess material recovery device comprises a base (1), a stamping die assembly (2), a coil assembly (3) and a material guide assembly (4);

the stamping die assembly (2) is fixedly arranged at one end of the base (1); the coil stock component (3) is fixedly arranged at the other end of the base (1); the material guide assembly (4) is fixedly arranged on the base (1) and is positioned between the stamping die assembly (2) and the material rolling assembly (3);

the coil assembly (3) comprises a support plate (31), a pressing assembly (32) and reel assemblies (33), wherein the two groups of reel assemblies (33) are rotatably arranged on the support plate (31), and the two groups of reel assemblies (33) are vertically aligned and arranged in parallel;

the pressing assembly (32) is slidably mounted on the supporting plate (31), the pressing assembly (32) is located between the two groups of winding drum assemblies (33), and the pressing assembly (32) is fixedly connected with the two groups of winding drum assemblies (33) through springs.

2. The excess material recycling device for punch production according to claim 1, wherein: the reel assembly (33) comprises a reel (34) and a roll material transmission shaft (35);

a convex block (351) is arranged on the coil transmission shaft (35), and the winding drum (34) is movably clamped on the convex block (351);

an annular groove is annularly formed in the outer circular surface of one end of the coil transmission shaft (35), a buckle ring (352) is movably sleeved on the annular groove, and the buckle ring (352) is elastically connected with the pressing assembly (32) through a spring; the coil stock transmission shaft (35) is rotatably arranged on the support plate (31), and the rotating directions of the two groups of coil stock transmission shafts (35) are opposite.

3. The excess material recycling device for punch production according to claim 2, wherein: the winding drum (34) comprises a winding drum body (341), a first through hole (342) is formed in the winding drum body (341), and the first through hole (342) is overlapped with the central axis of the winding drum body (341);

the first through hole (342) is movably sleeved on the coil transmission shaft (35), a fourth groove (346) is formed in the inner wall of the first through hole (342), and the lug (351) is movably clamped in the fourth groove (346).

4. The excess material recycling device for punch production according to claim 3, wherein: the hold-down assembly (32) comprises a slider (321); two groups of guide holes (322) are formed in the upper end of the sliding block (321), and the guide holes (322) penetrate through the two ends of the sliding block (321);

two groups of pressing plates (323) are fixedly arranged on one side of the sliding block (321), and the two groups of pressing plates (323) are arranged in an up-down symmetrical manner; arc parts (3231) are fixedly mounted on the plate surface of one side of the two groups of pressing plates (323), each group of arc surfaces of the arc parts (3231) face one group of outer circular surfaces of the winding drum body (341), and the arc surfaces of the arc parts (3231) face opposite to the rotating direction of the coil transmission shaft (35).

5. The excess material recycling device for punch production according to claim 4, wherein: a first groove (311) is formed in the surface of one side of the support plate (31), and two groups of guide rods (312) are arranged on the inner wall of the first groove (311) along the vertical direction; the guide hole (322) is sleeved on the guide rod (312) in a sliding manner, and the pressing component (32) can slide in the first groove (311) through two groups of guide rods (312) and the guide hole (322);

two groups of servo motors (313) are mounted on the other side of the plate surface of the support plate (31), and the output end of each group of servo motors (313) is in transmission connection with one group of coil transmission shafts (35) through a coupler; the two groups of coil transmission shafts (35) are respectively positioned at two ends of the first groove (311).

6. The excess material recycling device for punch production according to claim 3, wherein: a plurality of groups of long grooves (343) are formed in the outer circular surface of the winding drum body (341) along the central axis; a plurality of groups of the long-shaped grooves (343) are distributed on the outer circle along the drum body (341) in an annular array; the length direction of the long-shaped groove (343) is parallel to the central axis of the reel cylinder (341);

two groups of third grooves (344) are formed in the long groove (343), and the two groups of third grooves (344) are respectively close to two ends of the winding drum body (341); a plurality of groups of buckling blocks (345) are arranged on the outer circular surface of the winding drum body (341) at equal intervals along the central axis, and the plurality of groups of buckling blocks (345) are movably clamped in the third groove (344) through a telescopic spring; each group of the buckling blocks (345) are respectively buckled in a group of the long grooves (343).

7. The excess material recycling device for punch production according to claim 1, wherein: the material guide assembly (4) comprises a material guide supporting plate (42);

a material guide plate (41) is hinged to one side surface of the material guide support plate (42), and a feeding plate (43) is clamped to one side surface of the material guide support plate (42) far away from the material guide plate (41); the upper surface and the lower surface of the material guide plate (41) are fixedly connected with one side surface of the material guide support plate (42) through elastic pieces (44).

8. The excess material recycling device for punch production according to claim 7, wherein: an arc-shaped groove (421) is formed in one side face of the material guide supporting plate (42), the opening of the long end of the arc-shaped groove (421) faces the material guide plate (41), a second through hole (422) is formed in the bottom of the arc-shaped groove (421), and the second through hole (422) is communicated with the inside of the arc-shaped groove (421); the inner walls of the two sides of the second through hole (422) are provided with cutters (424);

a fifth groove (423) is formed in one side surface, away from the material guide plate (41), of the material guide supporting plate (42), and the fifth groove (423) is communicated with the second through hole (422); one end of the feeding plate (43) is clamped in the fifth groove (423);

one end of the material guide plate (41) is fixedly provided with an arc-shaped connecting part (412), and the arc-shaped connecting part (412) is movably hinged in the arc-shaped groove (421); a first feeding channel (411) is formed in the material guide plate (41), and the first feeding channel (411) penetrates through the arc-shaped connecting portion (412) and is communicated with the second through hole (422).

9. The excess material recycling device for punch production according to claim 8, wherein: a second feeding channel (431) is arranged in the feeding plate (43), and the first feeding channel (411) is communicated with the second feeding channel (431).