Plate punching die

Abstract

The utility model belongs to the technical field of plate punching, and particularly relates to a plate punching die which comprises a base, a supporting frame, a telescopic piece, a mounting plate and a punching block, an auxiliary device is arranged above the base, and the auxiliary device comprises a dismounting unit, a clamping unit and a limiting unit. According to the plate punching die, by arranging the dismounting unit, when the punching block is abraded and needs to be replaced, a left pull rod and a right pull rod are pulled outwards to drive a clamping rod to be separated from a clamping groove formed in the punching block, then the punching block is taken down, and then the upper end of a new punching block is placed in a positioning groove formed in the mounting plate; then a pull rod is loosened, a disc is pushed under the action of a spring to drive a clamping rod to be clamped with a clamping groove formed in the punching block, and the punching block is fixed, so that independent replacement of the punching block is completed, the die replacement cost is reduced, and the problems that in the background technology, the whole die needs to be replaced after the punching block is abraded in the using process, and the die replacement cost is reduced are solved. And the die maintenance cost is increased due to the fact that the punching block cannot be replaced independently.

Description

TECHNICAL FIELD

[0001] The utility model relates to plate punching technology field, concretely is a plate punching die. BACKGROUND

[0002] The mold is a tool for molding articles, and the mold is widely used in industrial production and is one of high-efficiency production tools. The punching die is a common and frequently used type of mold. After the production of parts is completed, holes are punched on the parts according to actual needs, so as to facilitate subsequent installation processes.

[0003] In the existing plate punching equipment, the lower punch is fixed, a fixed cavity is formed in the lower punch, the upper punch is provided with two parts, one part is a flattening part for flattening the plate, and the other part is a punching part for punching forming; when the plate is placed on the lower punch, the upper punch directly above is ready to punch down, at this time the flattening part is first displaced downward to press and fit the plate on the lower punch, then the punching part punches the plate through the punching column extending into the flattening part, after punching is completed, the punching part is lifted, then the flattening part is lifted again, and the plate can be taken out. However, when punching multiple holes in a long plate, the long plate cannot be quickly switched between the fixed state and the moving state due to the length of the plate, resulting in low punching efficiency of the long plate.

[0004] The plate punching die disclosed in the publication No. CN220461903U is provided with an auxiliary frame, a threaded hole, a rotating block and a fixing piece. When punching holes in a long plate, the long plate is placed on the base die, then the rotating block is rotated as needed, and the fixing piece is driven by the rotating block to move downward to press the long plate. Then the cylinder can be controlled to punch, when the next position needs to be punched, the rotating block can be taken out from the threaded hole by reversing the rotating block, then the long plate is moved, and the rotating block is rotated into the appropriate threaded hole. The long plate can be conveniently switched between the fixed state and the moving state, the series hole punching work of the long plate is facilitated, and the use is more convenient.

[0005] However, the entire mold needs to be replaced when the punch block is worn during use, the punch block cannot be replaced alone, and the mold maintenance cost is increased.

[0006] Therefore, it is urgent to provide a plate punching die. UTILITY MODEL CONTENTS

[0007] The utility model aims to provide a plate punching die to solve the problem of increasing the mold maintenance cost caused by the need to replace the entire mold when the punch block is worn during use and the inability to replace the punch block alone in the background technology.

[0008] To achieve the above object, the utility model provides following technical scheme: a kind of plate punching die, including pedestal, support frame, telescopic part, mounting plate and punch, the support frame is fixedly installed on pedestal top, the telescopic part is fixedly installed on support frame top, the mounting plate is fixedly installed on telescopic part bottom, the punch is installed on mounting plate bottom, auxiliary device is provided on the pedestal top, the auxiliary device includes dismounting unit, clamping unit and limiting unit.

[0009] The dismounting unit is arranged above the pedestal, the clamping unit is arranged on the top of the pedestal, and the limiting unit is arranged above the pedestal.

[0010] The dismounting unit includes a fixed plate, a spring, a disc, a clamping rod and a pull rod, the fixed plate is fixedly installed on the left and right sides of the mounting plate bottom, the spring is fixedly installed on the adjacent side of the left and right two fixed plates, the disc is fixedly installed on the end of the spring away from the fixed plate, the clamping rod is fixedly installed on the side of the disc away from the spring, and the pull rod is fixedly installed on the side of the front and rear two discs away from the clamping rod.

[0011] Preferably, a positioning groove is formed in the lower surface of the mounting plate, and the width of the positioning groove is equal to the width of the punch.

[0012] Preferably, a clamping groove is formed in the left and right sides of the punch, and the diameter of the clamping groove is equal to the diameter of the clamping rod, the clamping rod is connected with the clamping groove, and after the punch is installed on the bottom of the mounting plate through the positioning groove, the clamping rod is connected with the clamping groove, so as to fix the punch on the bottom of the mounting plate.

[0013] Preferably, the clamping unit includes a support plate, a motor, a threaded rod, a moving frame, a bolt and a pressing plate, the support plate is fixedly installed on the left and right sides of the bottom of the pedestal, the motor is fixedly installed on the right side of the right support plate, the threaded rod is fixedly installed on the output end of the motor, the moving frame is threadedly connected to the left and right ends outside the threaded rod, the bolt is threadedly connected to the inside of the moving frame, and the pressing plate is fixedly installed on the bottom of the bolt.

[0014] Preferably, the threaded grooves formed in the left and right sides of the threaded rod are opposite in direction, a limiting groove is formed in the upper surface of the pedestal, and the lower end of the moving frame is slidingly connected inside the limiting groove, the threaded rod is rotated by starting the motor, and the left and right moving frames are threadedly connected, so as to make the left and right moving frames move linearly along the limiting groove, adjust the distance between the two moving frames, and fix the plate with different lengths.

[0015] Preferably, the limiting unit includes a side plate and a limiting rod, the side plate is fixedly installed on the front and rear sides of the mounting plate, and the limiting rod is fixedly installed on the top of the side plate.

[0016] Preferably, the support frame upper surface is provided with guide holes on the front and rear sides, the limiting rods penetrate the guide holes, and the guide holes and the limiting rods cooperate to guide the movement of the punch block and prevent the punch block from deviating.

[0017] Compared with the prior art, the utility model has the advantages of:

[0018] 1. The plate punching die, by setting up the dismounting unit, when the punch block needs to be replaced due to wear, the left and right two pull rods are pulled outwards to drive the clamping rods to be separated from the clamping grooves of the punch block, then the punch block is taken down, the upper end of the new punch block is placed in the positioning groove of the mounting plate, then the pull rod is loosened and pushed under the action of the spring to drive the disc to drive the clamping rods to be clamped with the clamping grooves of the punch block, so that the punch block is fixed, thereby the replacement of the punch block is completed, the replacement cost of the die is reduced, and the problem that the whole die needs to be replaced when the punch block is worn during use in the background art is solved.

[0019] 2. The plate punching die, by setting up the clamping unit, the threaded rods are rotated and screwed with the left and right two moving frames under the action of the motor, so that the left and right two moving frames move linearly along the limiting grooves, the distance between the two moving frames is adjusted, and the plate of different lengths is fixed. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a mounting plate and punch block connection structure schematic view of the utility model;

[0022] Figure 3 It is a dismounting unit structure exploded view of the utility model;

[0023] Figure 4 It is a clamping unit structure schematic view of the utility model.

[0024] In the drawing: 1, base; 2, support frame; 3, telescopic part; 4, mounting plate; 5, punch block; 601, fixed plate; 602, spring; 603, disc; 604, clamping rod; 605, pull rod; 701, support plate; 702, motor; 703, threaded rod; 704, moving frame; 705, bolt; 706, pressing plate; 801, side plate; 802, limiting rod. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-4 The present application provides a technical scheme:

[0027] Embodiment one: a plate punching die, comprising a base 1, a support frame 2, a telescopic piece 3, a mounting plate 4 and a punch 5, the support frame 2 is fixedly installed on the top of the base 1, the telescopic piece 3 is fixedly installed on the top of the support frame 2, the telescopic piece 3 comprises a hydraulic cylinder and a hydraulic rod, the hydraulic cylinder is fixedly installed on the top of the support frame 2, the hydraulic rod is installed on the output end of the hydraulic cylinder, the mounting plate 4 is fixedly installed on the bottom of the telescopic piece 3, a positioning groove is formed on the lower surface of the mounting plate 4, and the width of the positioning groove is equal to the width of the punch 5, the positioning groove plays a positioning role in the installation of the punch 5, the punch 5 is installed on the bottom of the mounting plate 4, an auxiliary device is arranged above the base 1, and the auxiliary device comprises a dismounting unit, a clamping unit and a limiting unit.

[0028] The dismounting unit is arranged above the base 1, the clamping unit is arranged on the top of the base 1, and the limiting unit is arranged above the base 1.

[0029] The dismounting unit comprises a fixed plate 601, a spring 602, a disc 603, a clamping rod 604 and a pull rod 605, the fixed plate 601 is fixedly installed on the bottom of the mounting plate 4 and left and right sides, the spring 602 is fixedly installed on the front and back ends of the side adjacent to the left and right two fixed plates 601, the disc 603 is fixedly installed on the end of the spring 602 away from the fixed plate 601, the clamping rod 604 is fixedly installed on the side of the disc 603 away from the spring 602, the punch 5 is provided with a clamping groove on the left and right sides, and the diameter of the clamping groove is equal to the diameter of the clamping rod 604, the clamping rod 604 is clamped with the clamping groove, after the punch 5 is installed on the bottom of the mounting plate 4 through the positioning groove, the clamping rod 604 is clamped with the clamping groove, so that the punch 5 is fixed on the bottom of the mounting plate 4, the pull rod 605 is fixedly installed on the side of the front and back two discs 603 away from the clamping rod 604, the clamping rod 604 is driven to be separated from the clamping groove formed in the punch 5 by pulling the pull rod 605, so that the punch 5 is dismounted.

[0030] The clamping unit comprises a supporting plate 701, a motor 702, a threaded rod 703, a moving frame 704, a bolt 705 and a pressing plate 706. The supporting plate 701 is fixedly installed at the bottom of the base 1 on the left and right sides. The motor 702 is fixedly installed on the right side of the right supporting plate 701. The threaded rod 703 is fixedly installed at the output end of the motor 702. The threaded grooves formed in the left and right sides of the threaded rod 703 are opposite in direction. A limiting groove is formed in the upper surface of the base 1. The lower end of the moving frame 704 is slidingly connected inside the limiting groove. The rotation of the threaded rod 703 driven by the motor 702 is threadedly connected with the left and right moving frames 704, so that the left and right moving frames 704 move linearly along the limiting groove, the distance between the two moving frames 704 is adjusted, the plate materials with different lengths are fixed, the moving frame 704 is threadedly connected to the left and right ends outside the threaded rod 703, the bolt 705 is threadedly connected to the inside of the moving frame 704, and the pressing plate 706 is fixedly installed at the bottom of the bolt 705. The plate material to be punched is pressed by the pressing plate 706.

[0031] In the embodiment three, the limiting unit comprises a side plate 801 and a limiting rod 802. The side plate 801 is fixedly installed on the front and back of the mounting plate 4. The limiting rod 802 is fixedly installed on the top of the side plate 801. The guiding holes are formed in the front and back of the upper surface of the supporting frame 2. The limiting rod 802 penetrates through the guiding holes. The movement of the punch block 5 is guided by the cooperation of the guiding holes and the limiting rod 802, so that the deviation of the punch block 5 is prevented.

[0032] In use, the plate material to be punched is placed on the top of the base 1. Then the threaded rod 703 is rotated and threadedly connected with the left and right moving frames 704 driven by the motor 702, so that the left and right moving frames 704 move linearly along the limiting groove to the appropriate position. Then the pressing plate 706 is lowered by rotating the bolt 705 and abuts against the upper surface of the plate material, the plate material is pressed, the retractable piece 3 pushes the mounting plate 4 and drives the punch block 5 to move downward to punch the plate material. When the punch block 5 needs to be replaced due to wear, the left and right pull rods 605 are pulled outward to drive the clamping rods 604 to disengage from the clamping grooves formed in the punch block 5. Then the punch block 5 is taken down. The upper end of the new punch block 5 is placed in the positioning groove formed in the mounting plate 4. Then the pull rod 605 is loosened and pushed by the spring 602 to drive the disc 603 and the clamping rod 604 to be clamped with the clamping groove of the punch block 5, so that the punch block 5 is fixed, and the replacement of the punch block 5 is completed.

[0033] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. A plate punching die, comprising a base (1), a support frame (2), an extension piece (3), a mounting plate (4) and a punch block (5), the support frame (2) is fixedly installed on the top of the base (1), the extension piece (3) is fixedly installed on the top of the support frame (2), the mounting plate (4) is fixedly installed on the bottom of the extension piece (3), and the punch block (5) is installed on the bottom of the mounting plate (4), characterized in that: The base (1) is provided with an auxiliary device above, which comprises a dismounting unit, a clamping unit and a limiting unit. ​ The dismounting unit is arranged above the base (1), the clamping unit is arranged on the top of the base (1), and the limiting unit is arranged above the base (1). The dismounting unit comprises a fixed plate (601), a spring (602), a disc (603), a clamping rod (604) and a pull rod (605), the fixed plate (601) is fixedly installed on the left and right sides of the bottom of the mounting plate (4), the spring (602) is fixedly installed on the front and back ends of the side adjacent to the left and right two fixed plates (601), the disc (603) is fixedly installed on the end of the spring (602) away from the fixed plate (601), the clamping rod (604) is fixedly installed on the side of the disc (603) away from the spring (602), and the pull rod (605) is fixedly installed on the side of the front and back two discs (603) away from the clamping rod (604).

2. A sheet piercing die according to claim 1, characterized in that: The lower surface of the mounting plate (4) is provided with a positioning groove, and the width of the positioning groove is equal to the width of the punch (5).

3. A plate piercing die according to claim 1, wherein: The left and right sides of the punch (5) are provided with clamping grooves, and the diameter of the clamping grooves is equal to the diameter of the clamping rod (604), and the clamping rod (604) is clamped with the clamping grooves.

4. A sheet material piercing die according to claim 1 wherein: The clamping unit comprises a support plate (701), a motor (702), a threaded rod (703), a moving frame (704), a bolt (705) and a pressing plate (706), the support plate (701) is fixedly installed on the left and right sides of the bottom of the base (1), the motor (702) is fixedly installed on the right side of the right support plate (701), the threaded rod (703) is fixedly installed on the output end of the motor (702), the moving frame (704) is threadedly connected to the left and right ends outside the threaded rod (703), the bolt (705) is threadedly connected to the inside of the moving frame (704), and the pressing plate (706) is fixedly installed on the bottom of the bolt (705).

5. A sheet piercing die according to claim 4, wherein: The threaded grooves arranged on the left and right sides of the threaded rod (703) are opposite in direction, the upper surface of the base (1) is provided with a limiting groove, and the lower end of the moving frame (704) is slidably connected in the limiting groove.

6. A sheet piercing die according to claim 1, characterized in that: The limiting unit comprises a side plate (801) and a limiting rod (802), the side plate (801) is fixedly installed on the front and back sides of the mounting plate (4), and the limiting rod (802) is fixedly installed on the top of the side plate (801).

7. A sheet piercing die according to claim 6, wherein: The upper surface of the support frame (2) is provided with guide holes on the front and back sides, and the limiting rod (802) penetrates through the guide holes.

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