CN214265816U - Automatic change loading attachment of cross cutting machine - Google Patents

Abstract

The utility model discloses an automatic change loading attachment of cross cutting machine, the on-line screen storage device comprises a base, the equal fixedly connected with supporting leg in bottom four corners of base, the bottom of base is inlayed and is equipped with electric telescopic handle, the top movable contact of base has places the board, the top stack of placing the board has placed a plurality of cardboards, electric telescopic handle's output shaft top extends to the top of base and with the bottom fixed connection who places the board, top one side fixedly connected with L shaped plate of base, it is located the L shaped plate to place the board, the top of placing the board is equipped with the rectangle box, the bottom intercommunication of rectangle box is fixed with the silica gel air-collecting cover, the top intercommunication of rectangle box is fixed with the rectangular pipe, set up the first through-hole that the right side set up for the opening on the top inner wall of L shaped plate. The utility model relates to a rationally, be convenient for realize the material loading operation to the cardboard fast through promoting absorbent mode, improve work efficiency when liberating the manpower, satisfy the user demand, be favorable to using.

Description

Automatic change loading attachment of cross cutting machine

Technical Field

The utility model relates to a charging equipment technical field especially relates to an automatic change loading attachment of cross cutting machine.

Background

The die cutting machine is called a beer machine, a cutting machine and a numerical control punching machine, is mainly used for die cutting, indentation and gold stamping laminating operations of corresponding nonmetal materials, non-setting adhesive, EVA (ethylene vinyl acetate), double-sided adhesive, electronics, mobile phone rubber mats and the like, and applies certain pressure through a stamping plate by utilizing a steel knife, a hardware die and a steel wire to roll and cut a printed product or a paperboard into a certain shape, so that the die cutting machine is important equipment for packaging, processing and forming after printing;

when the existing die-cutting machine is used, a plurality of paperboards are sequentially placed on a discharging device of the die-cutting machine in a manual feeding mode mostly, feeding of the paperboards is achieved, the feeding mode is low in working efficiency, labor intensity is high, and using requirements cannot be met, so that the feeding device of the automatic die-cutting machine is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a feeding device of an automatic die-cutting machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a feeding device of an automatic die-cutting machine comprises a base, wherein supporting legs are fixedly connected to four corners of the bottom of the base, an electric telescopic rod is embedded into the bottom of the base, a placing plate is movably contacted with the top of the base, a plurality of paper boards are stacked on the top of the placing plate, the top end of an output shaft of the electric telescopic rod extends to the upper portion of the base and is fixedly connected with the bottom of the placing plate, an L-shaped plate is fixedly connected to one side of the top of the base, the placing plate is positioned in the L-shaped plate, a rectangular box is arranged above the placing plate, the bottom of the rectangular box is communicated and fixed with a silica gel air collecting cover, the top of the rectangular box is communicated and fixed with a rectangular pipe, a first through hole with an opening on the right side is formed in the inner wall of the top of the L-shaped plate, a push rod motor is fixedly connected to the inner wall of the left side of the first through hole, a triangular extrusion block is fixedly connected to the right end of the output shaft of the push rod motor, and one side of the top of the triangular extrusion block is arranged as an inclined plane, the top end of the rectangular tube extends into the first through hole, the bottom of the left side of the rectangular tube is fixedly connected with an L-shaped positioning rod, the inner wall of the top of the L-shaped plate is fixedly connected with an iron guide sleeve, the iron guide sleeve is slidably sleeved on the L-shaped positioning rod, the iron guide sleeve is magnetically sucked and clamped on the left side of the rectangular tube, the rectangular tube is internally and slidably sleeved with a piston in a sealing manner, the top of the piston is fixedly connected with a rectangular rod, the top end of the rectangular rod extends to the upper part of the rectangular tube and is fixedly connected with an L-shaped rod, the inner wall of the top of the L-shaped rod is fixedly connected with a first positioning rod, the rectangular tube is slidably sleeved on the first positioning rod, a cross rod is fixedly connected between the inner walls of two sides of the rectangular tube, the cross rod is slidably sleeved on the rectangular rod, a spring is fixedly connected between the top of the piston and the bottom of the cross rod, the spring is movably sleeved on the rectangular rod, the bottom end of the L-shaped rod is rotatably provided with an extrusion wheel, the bottom of the extrusion wheel is in rolling contact with an inclined plane of the triangular extrusion block, the right side bottom fixedly connected with L shape iron pole of triangle extrusion piece, the right side inner wall of L shape iron pole and the right side active contact of extrusion wheel, the left side fixedly connected with electro-magnet of rectangular pipe, the electro-magnet cooperatees with L shape iron pole.

Preferably, one side of the top of the triangular extrusion block is fixedly connected with a limiting block, and the limiting block is matched with the extrusion wheel.

Preferably, the outside of piston bonds and has the cladding sealing washer, and the outside and the inner wall sliding connection of rectangular pipe of sealing washer.

Preferably, a rectangular groove is formed in one side of the top of the rectangular pipe, and the inner wall of the rectangular groove is in sliding connection with the outer side of the first positioning rod.

Preferably, the bottom of L shape pole is seted up the recess that both sides were the opening setting, has all seted up first circular port on the front side inner wall of recess and the rear side inner wall, and two first circular port internal fixation covers are equipped with same round pin axle, and the front side of extrusion wheel is opened and is equipped with the second circular port, and the circular port internal fixation cover of second is equipped with the bearing, the inboard outside fixed connection with the round pin axle of inner circle of bearing.

Preferably, the top of the cross rod is provided with a rectangular hole, and the inner wall of the rectangular hole is in sliding connection with the outer side of the rectangular rod.

Preferably, the mounting groove has been seted up to the bottom of base, the inner wall of mounting groove and electric telescopic handle's outside fixed connection, has seted up the perforation on the top inner wall of mounting groove, fenestrate inner wall and electric telescopic handle's the output shaft outside active contact.

Preferably, two first magnets are fixedly connected to the left side of the rectangular pipe, two clamping grooves are formed in the right side of the iron guide sleeve, the first magnets are magnetically attracted and clamped in the corresponding clamping grooves, and the sum of the attraction force of the two first magnets and the iron guide sleeve is larger than the sum of the elastic force of the spring compressed and the extrusion friction force of the inclined plane of the triangular extrusion block and the extrusion wheel.

Preferably, the attraction force between the L-shaped iron rod and the electromagnet when the electromagnet is energized is larger than the sum of the elastic force of the spring which is compressed and the extrusion friction force between the inclined surface of the triangular extrusion block and the extrusion wheel.

Compared with the prior art, the beneficial effects of the utility model are that:

by the base, the electric telescopic rod, the placing plate, the L-shaped plate, the first locating rod, the push rod motor, the rectangular box, the silica gel air-collecting cover, the L-shaped locating rod, the rectangular pipe, the iron guide sleeve, the piston, the rectangular rod, the transverse rod, the spring, the L-shaped rod, the triangular extrusion block, the extrusion wheel, the L-shaped iron rod and the electromagnet are matched, when the feeding operation is carried out, the electric telescopic rod is started in the forward direction to drive the placing plate to move upwards, the placing plate drives a plurality of paperboards above the placing plate to move upwards, when the top of the topmost paperboard is in close contact with the bottom of the silica gel air-collecting cover, the push rod motor is started in the forward direction to drive the triangular extrusion block to extrude the extrusion wheel rightwards, so that the extrusion wheel is driven to move upwards, the extrusion wheel drives the rectangular rod to move upwards through the L-shaped rod, the rectangular rod drives the piston to move upwards and sequentially pumps the paperboards through the rectangular box and the silica gel air-collecting cover, so that the paper board is adsorbed at the bottom of the silica gel air collecting cover, the piston moves upwards to compress the spring, the triangular extrusion block drives the L-shaped iron rod to contact with the electromagnet rightwards, the electromagnet is electrified, the electromagnet is adsorbed with the L-shaped iron rod at the moment, the L-shaped iron rod extrudes the rectangular pipe to move rightwards through the electromagnet, the rectangular pipe drives the two first magnets to be separated from the corresponding clamping grooves respectively, the rectangular pipe drives the adsorbed paper board to move rightwards to a material discharge plate on a die cutting machine through the rectangular box and the silica gel air collecting cover sequentially, the electromagnet is disconnected, the adsorption force on the L-shaped iron rod is relieved, then the push rod motor is started reversely to drive the triangular extrusion block to separate leftwards from the electromagnet and release the extrusion force on the extrusion roller, the elasticity of the spring in a compression state drives the piston to move downwards and push gas, and the pushed gas is blown out through the rectangular box and the silica gel air collecting cover, make the cardboard that adsorbs in silica gel air-collecting cover bottom blown down to the blowing board on, triangle extrusion piece drives L shape iron pole when moving left to the right side contact with the squeeze rolls, L shape iron pole is extrudeing the squeeze rolls and is moving left, the squeeze rolls loops through L shape pole, rectangle pole and piston drive rectangular pipe move left, the rectangular pipe passes through the rectangle box and drives the top that silica gel air-collecting cover moved left to a plurality of cardboards, the rectangle box still drives two first magnets and moves respectively to the draw-in groove that corresponds in, first magnet adsorbs mutually with the iron uide bushing, can carry out the next time material loading operation this moment.

The utility model relates to a rationally, be convenient for realize the material loading operation to the cardboard fast through promoting absorbent mode, improve work efficiency when liberating the manpower, satisfy the user demand, be favorable to using.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a feeding device of an automatic die-cutting machine according to the present invention;

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

fig. 3 is the utility model provides a left side view structure schematic diagram of a loading attachment's of automatic change cross cutting machine L shaped plate.

In the figure: 1 base, 2 electric telescopic handle, 3 place board, 4L shaped plates, 5 first locating levers, 6 push rod motors, 7 rectangle boxes, 8 silica gel wind-collecting cover, 9L shape locating lever, 10 rectangle pipes, 11 iron uide bushing, 12 pistons, 13 rectangle poles, 14 horizontal poles, 15 springs, 16L shape pole, 17 triangle extrusion piece, 18 extrusion wheels, 19L shape iron pole, 20 electro-magnets.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a feeding device of an automatic die-cutting machine comprises a base 1, wherein the four corners of the bottom of the base 1 are fixedly connected with supporting legs, the bottom of the base 1 is embedded with an electric telescopic rod 2, the top of the base 1 is movably contacted with a placing plate 3, the top of the placing plate 3 is overlapped with a plurality of paper boards, the top end of an output shaft of the electric telescopic rod 2 extends to the upper part of the base 1 and is fixedly connected with the bottom of the placing plate 3, one side of the top of the base 1 is fixedly connected with an L-shaped plate 4, the placing plate 3 is positioned in the L-shaped plate 4, a rectangular box 7 is arranged above the placing plate 3, the bottom of the rectangular box 7 is communicated and fixed with a silica gel air-collecting cover 8, the top of the rectangular box 7 is communicated and fixed with a rectangular pipe 10, a first through hole with an opening on the right side is arranged on the inner wall of the top of the L-shaped plate 4, a push rod motor 6 is fixedly connected on the inner wall of the left side of the first through hole, a triangular extrusion block 17 is fixedly connected to the right end of an output shaft of the push rod motor 6, one side of the top of the triangular extrusion block 17 is provided with an inclined plane, the top end of a rectangular tube 10 extends into a first through hole, an L-shaped positioning rod 9 is fixedly connected to the bottom of the left side of the rectangular tube 10, an iron guide sleeve 11 is fixedly connected to the inner wall of the top of the L-shaped plate 4, the iron guide sleeve 11 is slidably sleeved on the L-shaped positioning rod 9, the iron guide sleeve 11 is magnetically clamped on the left side of the rectangular tube 10, a piston 12 is hermetically and slidably sleeved in the rectangular tube 10, a rectangular rod 13 is fixedly connected to the top of the piston 12, the top end of the rectangular rod 13 extends to the upper side of the rectangular tube 10 and is fixedly connected with an L-shaped rod 16, a first positioning rod 5 is fixedly connected to the inner wall of the top of the L-shaped rod 16, the rectangular tube 10 is slidably sleeved on the first positioning rod 5, a cross rod 14 is fixedly connected between the inner walls of two sides of the rectangular tube 10, and the cross rod 14 is slidably sleeved on the rectangular rod 13, fixedly connected with spring 15 between the top of piston 12 and the bottom of horizontal pole 14, spring 15 movable sleeve is established on rectangular rod 13, and extrusion wheel 18 is installed in the rotation of the bottom of L shape pole 16, and extrusion wheel 18's bottom and the inclined plane rolling contact of triangle extrusion piece 17, and the right side bottom fixedly connected with L shape iron pole 19 of triangle extrusion piece 17, the right side inner wall of L shape iron pole 19 and extrusion wheel 18's right side movable contact, the left side fixedly connected with electro-magnet 20 of rectangular pipe 10, electro-magnet 20 and L shape iron pole 19 cooperate, the utility model relates to a rationally, be convenient for realize the material loading operation to the cardboard fast through promoting absorbent mode, improve work efficiency when liberating the manpower, satisfy the user demand, be favorable to using.

In the utility model, one side of the top of the triangular extrusion block 17 is fixedly connected with a limiting block, the limiting block is matched with the extrusion wheel 18, the outer side of the piston 12 is bonded and coated with a sealing ring, the outer side of the sealing ring is connected with the inner wall of the rectangular tube 10 in a sliding way, one side of the top of the rectangular tube 10 is provided with a rectangular groove, the inner wall of the rectangular groove is connected with the outer side of the first locating rod 5 in a sliding way, the bottom of the L-shaped rod 16 is provided with a groove with two sides both of which are provided with openings, the inner wall of the front side and the inner wall of the rear side of the groove are both provided with first circular holes, two first circular holes are fixedly sleeved with the same pin shaft, the front side of the extrusion wheel 18 is provided with a second circular hole, the second circular hole is fixedly sleeved with a bearing, the inner ring of the bearing is fixedly connected with the outer side of the pin shaft, the top of the cross rod 14 is provided with a rectangular hole, the inner wall of the rectangular hole is connected with the outer side of the rectangular rod 13 in a sliding way, the bottom of the base 1 is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with the outer side of the electric telescopic rod 2, the inner wall of the top of the mounting groove is provided with a perforation, the inner wall of the perforation is in movable contact with the outer side of the output shaft of the electric telescopic rod 2, the left side of the rectangular tube 10 is fixedly connected with two first magnets, the right side of the iron guide sleeve 11 is provided with two clamping grooves, the first magnets are magnetically attracted and clamped in the corresponding clamping grooves, the attraction force between the two first magnets and the iron guide sleeve 11 is larger than the compressed elastic force of the spring 15 and the sum of the extrusion friction force of the inclined plane of the triangular extrusion block 17 and the extrusion friction force of the extrusion wheel 18, the attraction force between the L-shaped iron rod 19 and the electromagnet 20 when being electrified is larger than the compressed elastic force of the spring 15 and the sum of the extrusion friction force of the inclined plane of the triangular extrusion block 17 and the extrusion friction force of the extrusion wheel 18, the utility model has reasonable design, is convenient for realizing the loading operation of paper board rapidly by pushing the adsorption mode, and improves the working efficiency when releasing manpower, the use requirement is met, and the use is facilitated.

The working principle is as follows: when the device is used, during feeding operation, the electric telescopic rod 2 is started in a forward direction, the output shaft of the electric telescopic rod 2 drives the placing plate 3 to move upwards, the placing plate 3 drives the plurality of paper boards above the placing plate 3 to move upwards, when the top of the paper board positioned at the top is in close contact with the bottom of the silica gel air collecting cover 8, the push rod motor 6 is started in the forward direction, the output shaft of the push rod motor 6 drives the triangular extrusion block 17 to move rightwards, the extrusion wheel 18 is extruded when the triangular extrusion block 17 moves rightwards, the extrusion force drives the extrusion wheel 18 to move upwards, the extrusion wheel 18 drives the L-shaped rod 16 to move upwards, the L-shaped rod 16 drives the rectangular rod 13 to move upwards, the rectangular rod 13 drives the piston 12 to move upwards, the piston 12 compresses the spring 15 while moving upwards, the piston 12 generates suction force while moving upwards under the action of the sealing ring, the piston 12 sucks the inside of the silica gel air collecting cover 8 through the rectangular box 7, under the action of suction force, the silica gel air collecting cover 8 adsorbs the paper board positioned at the top, so that the paper board is adsorbed at the bottom of the silica gel air collecting cover 8, the triangular extrusion block 17 continuously moves rightwards, the triangular extrusion block 17 drives the L-shaped iron rod 19 to move rightwards to be contacted with the electromagnet 20, the electromagnet 20 is electrified, at the moment, the electromagnet 20 is adsorbed with the L-shaped iron rod 19, the L-shaped iron rod 19 continuously moves and extrudes the rectangular tube 10 to move rightwards through the electromagnet 20, the rectangular tube 10 drives the two first magnets to be respectively separated from the corresponding clamping grooves, the rectangular tube 10 drives the rectangular box 7 to move rightwards, the rectangular box 7 drives the L-shaped positioning rod 9 to slide rightwards in the iron guide sleeve 11, the rectangular box 7 drives the silica gel air collecting cover 8 to move rightwards, when the silica gel air collecting cover 8 drives the adsorbed paper board to move rightwards to the discharge plate on the die cutting machine, at the moment, the inner wall of the left side of the L-shaped positioning rod 9 is movably contacted with the left side of the iron guide sleeve 11, the electromagnet 20 is disconnected, at the moment, the magnetic force of the electromagnet 20 disappears, the L-shaped iron rod 19 is removed from being adsorbed, the push rod motor 6 is reversely started, the output shaft of the push rod motor 6 drives the triangular extrusion block 17 to move leftwards, the triangular extrusion block 17 drives the L-shaped iron rod 19 to separate from the electromagnet 20 leftwards, the extrusion force on the extrusion roller 16 is gradually released while the triangular extrusion block 17 moves leftwards, at the moment, the spring 15 in a compression state gradually resets, the elastic force of the spring 15 drives the piston 12 to move downwards, the piston 12 gradually pushes out gas while moving downwards, the pushed gas enters the silica gel air collecting hood 8 through the rectangular box 7 and is blown out through the silica gel air collecting hood 8, under the action of blowing force, the paper board adsorbed at the bottom of the silica gel air collecting hood 8 is blown down onto the discharge plate, and when the triangular extrusion block 17 drives the L-shaped iron rod 19 to move leftwards to be in contact with the right side of the extrusion roller 16, l shape iron pole 19 continues to move left and extrudees squeeze roll 16 and moves left, squeeze roll 16 drives L shape pole 16 and moves left, L shape pole 16 loops through rectangle pole 13 and piston 12 and drives rectangular pipe 10 and move left, rectangular pipe 10 drives the top that silica gel air-collecting cover 8 moved left to a plurality of cardboards through rectangular box 7, rectangular box 7 drives two first magnets and moves respectively to the draw-in groove that corresponds in simultaneously, first magnet adsorbs mutually with iron uide bushing 11, can carry out next time material loading operation this moment, make be convenient for realize the material loading operation to the cardboard fast through promoting absorbent mode, improve work efficiency when liberating the manpower.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (9)

1. The feeding device of the automatic die-cutting machine comprises a base (1), wherein supporting legs are fixedly connected to four corners of the bottom of the base (1), and the feeding device is characterized in that an electric telescopic rod (2) is embedded in the bottom of the base (1), a placing plate (3) is movably contacted with the top of the base (1), a plurality of paperboards are stacked on the top of the placing plate (3), the top end of an output shaft of the electric telescopic rod (2) extends to the upper portion of the base (1) and is fixedly connected with the bottom of the placing plate (3), an L-shaped plate (4) is fixedly connected to one side of the top of the base (1), the placing plate (3) is positioned in the L-shaped plate (4), a rectangular box (7) is arranged above the placing plate (3), the bottom of the rectangular box (7) is communicated and fixed with a silica gel air collecting cover (8), the top of the rectangular box (7) is communicated and fixed with a rectangular pipe (10), a first through hole with the right side of which is arranged for opening is formed in the inner wall of the top of the L-shaped plate (4), a push rod motor (6) is fixedly connected to the inner wall of the left side of the first through hole, a triangular extrusion block (17) is fixedly connected to the right end of an output shaft of the push rod motor (6), an inclined plane is arranged on one side of the top of the triangular extrusion block (17), the top end of the rectangular tube (10) extends into the first through hole, an L-shaped positioning rod (9) is fixedly connected to the bottom of the left side of the rectangular tube (10), an iron guide sleeve (11) is fixedly connected to the inner wall of the top of the L-shaped plate (4), the iron guide sleeve (11) is slidably sleeved on the L-shaped positioning rod (9), the iron guide sleeve (11) is magnetically clamped to the left side of the rectangular tube (10), a piston (12) is hermetically and slidably sleeved in the rectangular tube (10), a rectangular rod (13) is fixedly connected to the top of the piston (12), the top end of the rectangular rod (13) extends to the upper side of the rectangular tube (10) and is fixedly connected with an L-shaped rod (16), a first locating rod (5) is fixedly connected to the inner wall of the top of the L-shaped rod (16), a rectangular pipe (10) is slidably sleeved on the first locating rod (5), a cross rod (14) is fixedly connected between the inner walls of two sides of the rectangular pipe (10), the cross rod (14) is slidably sleeved on the rectangular rod (13), a spring (15) is fixedly connected between the top of a piston (12) and the bottom of the cross rod (14), the spring (15) is movably sleeved on the rectangular rod (13), an extrusion wheel (18) is rotatably installed at the bottom end of the L-shaped rod (16), the bottom of the extrusion wheel (18) is in rolling contact with an inclined plane of a triangular extrusion block (17), an L-shaped iron rod (19) is fixedly connected to the bottom of the right side of the triangular extrusion block (17), the inner wall of the right side of the L-shaped iron rod (19) is in movable contact with the right side of the extrusion wheel (18), an electromagnet (20) is fixedly connected to the left side of the rectangular pipe (10), the electromagnet (20) is matched with the L-shaped iron rod (19).

2. The feeding device of the automatic die cutting machine according to claim 1, wherein a limiting block is fixedly connected to one side of the top of the triangular extrusion block (17), and the limiting block is matched with the extrusion wheel (18).

3. The feeding device of the automatic die cutting machine according to claim 1, wherein a sealing ring is bonded and coated on the outer side of the piston (12), and the outer side of the sealing ring is slidably connected with the inner wall of the rectangular pipe (10).

4. The feeding device of the automatic die-cutting machine according to claim 1, wherein a rectangular groove is formed in one side of the top of the rectangular tube (10), and the inner wall of the rectangular groove is slidably connected with the outer side of the first positioning rod (5).

5. The feeding device of the automatic die-cutting machine according to claim 1, wherein a groove is formed in the bottom end of the L-shaped rod (16), the two sides of the groove are both provided with openings, first circular holes are formed in the front inner wall and the rear inner wall of the groove, the same pin shaft is fixedly sleeved in the two first circular holes, a second circular hole is formed in the front side of the extrusion wheel (18), a bearing is fixedly sleeved in the second circular hole, and the inner side of the inner ring of the bearing is fixedly connected with the outer side of the pin shaft.

6. The feeding device of the automatic die cutting machine according to claim 1, wherein a rectangular hole is formed in the top of the cross bar (14), and the inner wall of the rectangular hole is slidably connected with the outer side of the rectangular bar (13).

7. The feeding device of the automatic die-cutting machine according to claim 1, wherein a mounting groove is formed in the bottom of the base (1), an inner wall of the mounting groove is fixedly connected with the outer side of the electric telescopic rod (2), a through hole is formed in the inner wall of the top of the mounting groove, and the inner wall of the through hole is in movable contact with the outer side of the output shaft of the electric telescopic rod (2).

8. The feeding device of the automatic die-cutting machine according to claim 1, wherein two first magnets are fixedly connected to the left side of the rectangular pipe (10), two clamping grooves are formed in the right side of the iron guide sleeve (11), the first magnets are magnetically attracted and clamped in the corresponding clamping grooves, and the sum of the attraction force of the two first magnets and the iron guide sleeve (11) is larger than the sum of the elastic force of the spring (15) which is compressed and the extrusion friction force of the inclined surface of the triangular extrusion block (17) and the extrusion wheel (18).

9. The feeding device of the automatic die cutting machine according to claim 1, wherein the attraction force between the L-shaped iron rod (19) and the electromagnet (20) is larger than the sum of the compressed elastic force of the spring (15) and the extrusion friction force between the inclined surface of the triangular extrusion block (17) and the extrusion wheel (18).

Images