CN218191999U - Workpiece fixing device for automatic punching machine - Google Patents

Abstract

The utility model relates to a piercing press technical field, and an automatic work piece fixing device for punching machine is disclosed, including the equipment main part, both sides open-ended box form around the equipment main part is, equipment main part bottom wall surface four corners position rotates and is connected with four groups of pulleys, be provided with punching device and fixing device in the equipment main part inner chamber, through setting up fixing device, when using this equipment, the flexible end of control cylinder drives the punching press board and moves down, the punching press board drives two sets of first piston blocks through two sets of first slide bars and moves down the air in the two sets of second activity chambeies of compression, the air in the first activity intracavity chamber receives synchronous compression, the second piston block promotes the second slide bar under compression air pressure counteraction in first activity intracavity chamber and shifts up, the second slide bar drives down the anchor clamps through the mounting panel and shifts up, carry out centre gripping fixed operation with last anchor clamps cooperation to the punching material of placing on the centre gripping groove of anchor clamps down, realize the automatic fixed function of this equipment promptly.

Description

Workpiece fixing device for automatic punching machine

Technical Field

The utility model relates to a piercing press technical field especially relates to an automatic work piece fixing device for piercing press.

Background

The back is installed with raw and other materials to the piercing press, under power unit's drive, cut-out press is used in on the material, accomplish a mechanical equipment that punches a hole, the piercing press can carry out sheet processing, the punching press, the mould pressing, the operation that forced metals such as impressed watermark got into the mould, however along with the development of science and technology, the piercing press is also developing to more full automatization direction, and traditional artifical material loading unloading has been unable to follow the development pace of automatic hole punching machine, consequently just need one kind can cooperate automatic hole punching machine synchronous fixed punching material when carrying out punching operation, synchronous release when the punching press is accomplished to the fixed novel automatic work piece fixing device for punching machine of punching a hole material.

Therefore, the workpiece fixing device for the automatic punching machine is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem existing in the prior art and provides a workpiece fixing device for an automatic punching machine.

In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme, an automatic work piece fixing device for punching machine, the main part of the equipment comprises an equipment body, both sides open-ended box form around the main part of the equipment is, the equipment main part bottom wall surface four corners position rotates and is connected with four group's pulleys, be provided with punching device and fixing device in the main part inner chamber of the equipment, punching device includes the cylinder, the punching press board, the joint piece, drift base and drift, fixing device includes two sets of first piston pieces, two sets of first slide bars, two sets of stop collars, U type workstation, the mounting panel, the second piston piece, the second slide bar, lower fixture and last anchor clamps, one side wall central point that lower fixture and last anchor clamps are relative state puts and has seted up the centre gripping groove, the material that punches a hole is placed on the centre gripping groove of lower fixture, equipment main part front side position is provided with draw gear, the one end and the last traction end fixed connection of draw gear of the material that punches a hole.

Preferably, a first movable cavity is formed in the center of the inner portion of the bottom end of the device main body, two groups of second movable cavities are symmetrically formed in the inner portion of the bottom end of the device main body and located on the left side and the right side of the first movable cavity, two groups of link channels are formed between the lower end position of the cavity wall surface in the first movable cavity and the lower end position of the cavity wall surface in the two groups of second movable cavities, and the inner cavity of the first movable cavity is communicated with the inner cavities of the two groups of second movable cavities through the two groups of link channels.

Preferably, the cylinder is in a vertical state and is fixedly connected with the center of the top side wall surface of the inner cavity of the equipment main body, the stamping plate is placed at a position under the cylinder in a horizontal state, a T-shaped clamping groove is formed in the center of the top side wall surface of the stamping plate, the telescopic end of the bottom side of the cylinder is clamped with the T-shaped clamping groove through a clamping block, the top side wall surface of the punch base is fixedly connected with the center of the bottom side wall surface of the stamping plate, and the punch is installed at the center of the bottom side wall surface of the punch base in a vertical state.

Preferably, the two groups of first piston block side wall surfaces are respectively in sealing sliding connection with the two groups of second movable cavity side wall surfaces, the two groups of first slide bars are in a vertical state and respectively penetrate through the center positions of the two groups of second movable cavity inner cavity top side wall surfaces, the lower ends of the two groups of first slide bars are respectively fixedly connected with the two groups of first piston block top side wall surfaces, the upper ends of the two groups of first slide bars are respectively fixedly connected with the left side and the right side of the stamping plate bottom side wall surface, the two groups of limiting sleeves are in a vertical state and are respectively in sliding sleeve connection with the outer wall surfaces of the two groups of first slide bar bodies, and the bottom side wall surfaces of the two groups of limiting sleeves are correspondingly and fixedly connected with the device body inner cavity bottom side wall surfaces.

Preferably, the U-shaped workbench is placed at the center of the bottom side wall surface of the inner cavity of the equipment main body in an inverted U shape, the bottom side wall surface of the U-shaped workbench is fixedly connected with the corresponding position of the bottom side wall surface of the inner cavity of the equipment main body, a first abdicating hole is formed in the center of the top side wall surface of the U-shaped workbench in a penetrating mode and corresponds to the position of the punch, multiple groups of sliding grooves are symmetrically formed in the left side wall surface and the right side wall surface of the inner cavity of the U-shaped workbench, the mounting plate is placed in the inner cavity of the U-shaped workbench in a horizontal state, multiple groups of sliding ends are symmetrically arranged at the left end and the right end of the mounting plate and correspond to the multiple groups of sliding grooves respectively in a position, and the mounting plate is connected to the multiple groups of sliding grooves through the multiple groups of sliding ends in a sliding mode.

Preferably, the side wall surface of the second piston block is in sliding connection with the side wall surface of the inner cavity of the first movable cavity in a sealing mode, the second slide rod vertically penetrates through the center of the side wall surface of the top of the inner cavity of the first movable cavity, the lower end of the second slide rod is fixedly connected with the top side wall surface of the second piston block, the upper end of the second slide rod is fixedly connected with the bottom side wall surface of the mounting plate, the bottom side wall surface of the lower clamp is fixedly connected with the center of the top side wall surface of the mounting plate, the top side wall surface of the upper clamp is fixedly connected with the center of the side wall surface of the bottom of the inner cavity of the U-shaped workbench, and a second abdicating hole is formed in the top side wall surface of the upper clamp in a penetrating mode and corresponds to the position of the first abdicating hole.

Advantageous effects

The utility model provides an automatic work piece fixing device for punching machine. The method has the following beneficial effects:

(1) The workpiece fixing device for the automatic punching machine is characterized in that the fixing device is arranged, when the automatic punching machine is used, the telescopic end of the control cylinder drives the punching plate to move downwards, the punching plate drives two groups of first piston blocks to move downwards through two groups of first sliding rods to compress air in two groups of second movable cavities, the inner cavity of the first movable cavity is respectively communicated with the inner cavities of the two groups of second movable cavities through two groups of linking channels, so that the air in the inner cavity of the first movable cavity is synchronously compressed, the second piston blocks push the second sliding rods to move upwards under the reaction of the compressed air pressure in the inner cavity of the first movable cavity, the second sliding rods drive the lower clamp to move upwards through the mounting plate, the lower clamp is matched with the upper clamp to clamp and fix punching materials placed on the clamping groove of the lower clamp, and at the moment, the punching plate drives the lower punch to punch the punching materials in the clamping and fixing state through the punch base, when the punching operation is completed, the telescopic end of the control cylinder drives the punching plate to move upwards, the punching plate drives the two groups of first piston blocks to move upwards through the two groups of first sliding rods to compress air in the two groups of second movable cavities to expand, the air in the inner cavity of the first movable cavity is synchronously expanded, the second piston blocks pull the second sliding rods to move downwards under the action of the suction force of the expanded air in the inner cavity of the first movable cavity, the clamping and fixing state of the lower clamp and the upper clamp on the punching material is released, the traction end of the traction device is controlled to pull the punching material to a proper position at the moment, the next punching operation can be performed, the punching material is synchronously fixed when the punching operation is performed by matching the equipment through the fixing device, the fixing of the punching material is synchronously released when the punching operation is completed, and the automatic fixing function of the equipment is realized.

(2) This automatic work piece fixing device for piercing mill through setting up lower anchor clamps and last anchor clamps, changes lower anchor clamps and the last anchor clamps that have the matching centre gripping groove according to the appearance of the material that punches a hole, can punch a hole the operation to the material that punches a hole of different shapes, strengthens the suitability of this equipment, the popularization of this equipment of being convenient for.

(3) This automatic work piece fixing device for punching machine through setting up two sets of stop collars, and two sets of stop collars are injectd the punching press board through two sets of first slide bars, and is more steady when making the punching press board reciprocate, drives drift skew influence quality of punching a hole when avoiding the punching press board to move down, strengthens the operating stability of this equipment.

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. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a perspective view of a workpiece fixing device for an automatic punching machine of the present invention;

fig. 2 is a perspective view of the workpiece fixing device for the automatic punching machine of the present invention;

fig. 3 is a perspective view of the U-shaped worktable of the present invention.

Illustration of the drawings: 10. an apparatus main body; 11. a pulley; 12. a first movable chamber; 13. a second movable chamber; 14. a link channel; 15. a cylinder; 16. stamping a plate; 17. a T-shaped clamping groove; 18. a clamping block; 19. a punch base; 20. a punch; 21. a first piston block; 22. a first slide bar; 23. a limiting sleeve; 24. a U-shaped workbench; 25. a first abdicating hole; 26. a sliding groove; 27. mounting a plate; 28. a sliding end; 29. a second piston block; 30. a second slide bar; 31. a lower clamp; 32. an upper clamp; 33. the second hole of stepping down.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A workpiece fixing device for an automatic punching machine is shown in figures 1-3 and comprises an equipment main body 10, wherein the equipment main body 10 is in a box shape with openings at the front side and the rear side, four groups of pulleys 11 are rotatably connected at four corners of the side wall surface at the bottom of the equipment main body 10, a first movable cavity 12 is arranged at the center position inside the bottom of the equipment main body 10, two groups of second movable cavities 13 are symmetrically arranged at the left side and the right side of the first movable cavity 12 inside the bottom of the equipment main body 10, two groups of linking channels 14 are arranged between the lower end position of the inner cavity wall surface of the first movable cavity 12 and the lower end position of the inner cavity surface of the two groups of second movable cavities 13, the inner cavity of the first movable cavity 12 is respectively communicated with the inner cavities of the two groups of second movable cavities 13 through the two groups of linking channels 14, a punching device and a fixing device are arranged in the inner cavity of the equipment main body 10, the punching device comprises an air cylinder 15, a punching plate 16, a clamping block 18, a punch base 19 and a punch 20, the air cylinder 15 is fixedly connected with the center of the top side wall surface of the inner cavity of the equipment main body 10 in a vertical state, the stamping plate 16 is horizontally placed under the air cylinder 15, the center of the top side wall surface of the stamping plate 16 is provided with a T-shaped clamping groove 17, the telescopic end of the bottom side of the air cylinder 15 is clamped with the T-shaped clamping groove 17 through a clamping block 18, the top side wall surface of the punch base 19 is fixedly connected with the center of the bottom side wall surface of the stamping plate 16, the punch 20 is vertically installed at the center of the bottom side wall surface of the punch base 19, the fixing device comprises two groups of first piston blocks 21, two groups of first slide bars 22, two groups of limiting sleeves 23, a U-shaped workbench 24, an installation plate 27, second piston blocks 29, second slide bars 30, a lower clamp 31 and an upper clamp 32, the side wall surfaces of the two groups of first piston blocks 21 are respectively connected with the side wall surfaces of the inner cavity of the two groups of second movable cavities 13 in a sealing and sliding mode, and the two groups of first slide bars 22 respectively penetrate through the center of the top side wall surfaces of the inner cavity of the two groups of second movable cavities 13 in a vertical state The lower ends of two groups of first sliding rods 22 are respectively fixedly connected with the top side wall surface of two groups of first piston blocks 21, the upper ends of two groups of first sliding rods 22 are respectively fixedly connected with the left side and the right side of the bottom side wall surface of the stamping plate 16, two groups of limiting sleeves 23 are respectively sleeved on the outer wall surface of the rods of the two groups of first sliding rods 22 in a vertical state in a sliding manner, the bottom side wall surfaces of the two groups of limiting sleeves 23 are fixedly connected with the corresponding positions of the bottom side wall surface of the inner cavity of the main body 10 of the equipment, a U-shaped worktable 24 is placed at the central position of the bottom side wall surface of the inner cavity of the main body 10 in an inverted U shape, the bottom side wall surface of the U-shaped worktable 24 is fixedly connected with the corresponding positions of the bottom side wall surface of the inner cavity of the main body 10 of the equipment, a first abdicating hole 25 is arranged at the central position of the top side wall surface of the U-shaped worktable 24 and corresponds to the position of the punch 20, a plurality of sliding grooves 26 are symmetrically arranged on the left side and the right side wall surface of the inner cavity of the U-shaped worktable 24, and a mounting plate 27 is placed in a horizontal state in the inner cavity of the U-shaped worktable 24, the left end and the right end of the mounting plate 27 are symmetrically provided with a plurality of groups of sliding ends 28 and respectively correspond to a plurality of groups of sliding grooves 26, the mounting plate 27 is connected on the plurality of groups of sliding grooves 26 in a sliding manner through the plurality of groups of sliding ends 28, the side wall surface of the second piston block 29 is connected with the side wall surface of the inner cavity of the first movable cavity 12 in a sealing and sliding manner, the second sliding rod 30 vertically penetrates through the center position of the top side wall surface of the inner cavity of the first movable cavity 12, the lower end of the second sliding rod 30 is fixedly connected with the top side wall surface of the second piston block 29, the upper end of the second sliding rod 30 is fixedly connected with the bottom side wall surface of the mounting plate 27, the bottom side wall surface of the lower clamp 31 is fixedly connected with the center position of the top side wall surface of the mounting plate 27, the top side wall surface of the upper clamp 32 is fixedly connected with the center position of the bottom side wall surface of the inner cavity of the U-shaped worktable 24, the top side wall surface of the upper clamp 32 is provided with a second abdicating hole 33 and corresponds to the first abdicating hole 25, the centre position of one side wall face that lower fixture 31 and upper fixture 32 are relative state has seted up the centre gripping groove, and the material that punches a hole is placed on the centre gripping groove of lower fixture 31, and equipment main part 10 front side position is provided with draw gear, and draw gear is prior art, and no longer the repeated description, and the one end of the material that punches a hole and the last draw end fixed connection of draw gear.

The utility model discloses automatic work piece fixing device for punch press's theory of operation: by arranging the fixing device, when the device is used, the telescopic end of the control cylinder 15 drives the punching plate 16 to move downwards, the punching plate 16 drives the two groups of first piston blocks 21 to move downwards through the two groups of first sliding rods 22 to compress air in the two groups of second movable cavities 13, the inner cavity of the first movable cavity 12 is respectively communicated with the inner cavities of the two groups of second movable cavities 13 through the two groups of linking channels 14, so that the air in the inner cavity of the first movable cavity 12 is synchronously compressed, the second piston block 29 pushes the second sliding rod 30 to move upwards under the reaction of the compressed air pressure in the inner cavity of the first movable cavity 12, the second sliding rod 30 drives the lower clamp 31 to move upwards through the mounting plate 27 to be matched with the upper clamp 32 to clamp and fix punching materials placed on the clamping groove of the lower clamp 31, at the moment, the punching plate 16 drives the punch 20 to move downwards through the punch base 19 to punch the punching materials in a clamping and fixing state, when the punching operation is completed, the telescopic end of the control cylinder 15 drives the punching plate 16 to move upwards, the punching plate 16 drives the two groups of first piston blocks 21 to move upwards through the two groups of first sliding rods 22 to compress air in the two groups of second movable cavities 13 to expand, the air in the inner cavity of the first movable cavity 12 is synchronously expanded, the second piston block 29 pulls the second sliding rod 30 to move downwards under the reaction of the suction force of the expanded air in the inner cavity of the first movable cavity 12, the clamping and fixing state of the punching material by the lower clamp 31 and the upper clamp 32 is released, the traction end of the traction device is controlled to pull the punching material to a proper position, the next punching operation can be performed, the punching material is synchronously fixed when the punching operation is performed by the fixing device, and the fixing of the punching material is synchronously released when the punching is completed, so that the automatic fixing function of the punching device is realized.

Through setting up lower anchor clamps 31 and upper clamp 32, change lower anchor clamps 31 and upper clamp 32 that have the matching centre gripping groove according to the appearance of punching material, can carry out the operation of punching a hole to the punching material of different shapes, strengthen the suitability of this equipment, the popularization of this equipment of being convenient for.

Through setting up two sets of stop collars 23, two sets of stop collars 23 are injectd the punching press board 16 through two sets of first slide bars 22, make punching press board 16 more steady when reciprocating, avoid driving drift 20 skew when punching press board 16 moves down to influence the punching quality, strengthen the operating stability of this equipment.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides an automatic work piece fixing device for punching machine, includes equipment main part (10), its characterized in that: the punching device comprises a cylinder (15), a punching plate (16), a clamping block (18), a punch base (19) and a punch (20), the fixing device comprises two groups of first piston blocks (21), two groups of first sliding rods (22), two groups of limiting sleeves (23), a U-shaped workbench (24), a mounting plate (27), a second piston block (29), a second sliding rod (30), a lower clamp (31) and an upper clamp (32), a clamping groove is formed in the center position of one side wall face of the lower clamp (31) and the upper clamp (32) which are in a relative state, punching materials are placed on the clamping groove of the lower clamp (31), a traction device is arranged at the front side position of the equipment main body (10), and one end of each punching material is connected with traction on the traction device in a fixed mode.

2. The workpiece fixing device for the automatic punching machine according to claim 1, characterized in that: the inner center position of the bottom end of the equipment main body (10) is provided with a first movable cavity (12), the inner part of the bottom end of the equipment main body (10) is positioned at the left side and the right side of the first movable cavity (12) and is symmetrically provided with two groups of second movable cavities (13), two groups of linking channels (14) are arranged between the lower end position of the inner cavity wall surface of the first movable cavity (12) and the lower end position of the inner cavity wall surface of the two groups of second movable cavities (13), and the inner cavity of the first movable cavity (12) is respectively communicated with the inner cavities of the two groups of second movable cavities (13) through the two groups of linking channels (14).

3. The workpiece fixing device for the automatic punching machine according to claim 1, characterized in that: cylinder (15) are vertical state and equipment main body (10) inner chamber top side wall central point and put fixed connection, punching press board (16) are horizontal state and place under cylinder (15) position department, punching press board (16) top side wall central point puts and is provided with T type draw-in groove (17), cylinder (15) bottom side flexible end passes through joint piece (18) and T type draw-in groove (17) joint, drift base (19) top side wall and punching press board (16) bottom side wall central point put fixed connection, drift (20) are vertical state and install in drift base (19) bottom side wall central point and put the department.

4. The workpiece fixing device for the automatic punching machine according to claim 2, characterized in that: two sets of first piston block (21) side wall face respectively with two sets of second activity chamber (13) inner chamber side wall face sealing sliding connection, two sets of first slide bars (22) are vertical state and run through two sets of second activity chamber (13) inner chamber side wall face central point respectively and put, the lower extreme of two sets of first slide bars (22) respectively with two sets of first piston block (21) top side wall face fixed connection, the upper end of two sets of first slide bars (22) respectively with ram-press board (16) bottom side wall face left and right sides position fixed connection, two sets of stop collar (23) are vertical state and slide respectively and cup joint on two sets of first slide bar (22) pole body outer wall face, the bottom side wall face and the equipment main part (10) inner chamber bottom side wall face of two sets of stop collar (23) correspond position fixed connection.

5. The workpiece fixing device for the automatic punching machine according to claim 1, characterized in that: u type workstation (24) are the shape of falling the U type and place at equipment main part (10) inner chamber bottom wall central point and put, U type workstation (24) bottom wall surface corresponds position fixed connection with equipment main part (10) inner chamber bottom wall surface, U type workstation (24) top side wall central point puts and runs through and has seted up first hole of stepping down (25) and correspond with drift (20) position, multiunit sliding tray (26) have been seted up to side wall surface symmetry about U type workstation (24) inner chamber, mounting panel (27) are the horizontality and place in the inner chamber of U type workstation (24), both ends symmetry is provided with multiunit sliding end (28) and corresponds with multiunit sliding tray (26) position respectively about mounting panel (27), mounting panel (27) are through multiunit sliding end (28) sliding connection on multiunit sliding tray (26).

6. The work holding device for an automatic punching machine according to claim 5, wherein: second piston block (29) side wall face and the sealed sliding connection of first activity chamber (12) inner chamber side wall face, second slide bar (30) are vertical state and run through first activity chamber (12) inner chamber top side wall central point and put, the lower extreme and second piston block (29) top side wall fixed connection of second slide bar (30), the upper end and the mounting panel (27) bottom side wall fixed connection of second slide bar (30), lower anchor clamps (31) bottom side wall and mounting panel (27) top side wall central point put fixed connection, go up anchor clamps (32) top side wall and U type workstation (24) inner chamber bottom side wall central point put fixed connection, it steps down hole (33) and corresponds with first hole (25) position of stepping down to run through on anchor clamps (32) top side wall.

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