Universal wheel support side hole punching die

Abstract

The utility model discloses a universal wheel support side hole punching die which comprises an upper die and a lower die, the upper die comprises an upper die base, an upper clamping plate and a plurality of punching needles, the upper clamping plate is fixed to the bottom of the upper die base, and the punching needles are fixed to the bottom of the upper clamping plate; the lower die is matched with the upper die, the lower die comprises a lower die base, a lower cushion block, a lower die plate and at least two positioning blocks, the lower die plate is arranged above the lower die base, the lower cushion block is arranged between the lower die base and the lower die plate, at least two positioning holes are uniformly distributed in the lower die plate, and the positioning blocks correspond to the positioning holes in a one-to-one insertion manner; according to the side hole punching die for the universal wheel support, the positioning holes and the positioning blocks are adopted, the side walls of a plurality of workpieces can be punched at a time, the punching efficiency is high, the positioning holes and the positioning blocks are matched in an inserted connection mode and can be rapidly disassembled and assembled, then the workpieces can be rapidly fixed and disassembled, operation is easy and rapid, and the punching efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to a positioning wheel technology, in particular to a side hole punching die for a universal wheel bracket. Background Art

[0002] The universal wheel is the so-called movable caster, and its structure allows 360-degree horizontal rotation; the caster bracket is U-shaped and the wheel body needs to be fixed, so the caster bracket needs to punch side holes on both side walls.

[0003] In the existing side hole punching process of caster brackets, a single workpiece is generally fixed on the lower die by a clamp so that the single side wall is aligned with the upper die. After the single side wall is punched, the worker needs to remove the workpiece, rotate it 180 degrees, and then fix it on the lower die again by a clamp to punch the other side wall. The operation is complicated and only a single workpiece can be processed, resulting in low punching efficiency. Utility Model Content

[0004] In order to solve the defects of the above-mentioned prior art, the utility model provides a side hole punching die for a universal wheel bracket. Through multiple positioning blocks on the lower template, the workpiece can be quickly locked and multiple workpieces can be processed. The fixing operation is simple and the punching efficiency is high.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical scheme: a side hole punching die for a universal wheel bracket, comprising

[0006] The upper die comprises an upper die base, an upper clamping plate and a plurality of punching pins, wherein the upper clamping plate is fixed to the bottom of the upper die base, and the punching pins are fixed to the bottom of the upper clamping plate;

[0007] The lower mold cooperates with the upper mold, and the lower mold includes a lower mold base, a lower cushion block, a lower template and at least two positioning blocks. The lower template is arranged above the lower mold base, and the lower cushion block is arranged between the lower mold base and the lower template. At least two positioning holes are evenly distributed on the lower template, and the positioning blocks are plugged into and correspond to the positioning holes one by one.

[0008] Preferably, a die handle is provided on the top of the upper die base, and the die handle is connected to the hydraulic system.

[0009] Preferably, a column is provided on the lower die base, and the column passes through the upper die base.

[0010] Preferably, guide columns are provided on both sides of the upper clamping plate, the upper clamping plate is provided with a stripping plate, the guide columns pass through the stripping plate and are inserted into guide holes, the guide holes are provided in the lower plate, the punch needle passes through the stripping plate, and a spring is provided between the stripping plate and the upper clamping plate.

[0011] Preferably, the top of the lower pad and the bottom of the stripping plate are both provided with grooves that conform to the side walls of the workpiece.

[0012] Preferably, an upper cushion block is provided between the upper die base and the upper clamping plate.

[0013] Preferably, the positioning block is provided with bolts, and the bolts are used to fix the workpiece to the positioning block.

[0014] In summary, the utility model has achieved the following technical effects:

[0015] The side hole punching die of the universal wheel bracket of the utility model adopts multiple positioning holes and positioning blocks, and can punch the side walls of multiple workpieces at one time, with high punching efficiency. Moreover, the positioning holes and the positioning blocks are plug-in matched and can be quickly disassembled and assembled, thereby realizing rapid fixation and disassembly of the workpieces. The operation is simple and quick, and the punching efficiency is further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the side hole punching die of the universal wheel bracket of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the lower die of the side hole punching die of the universal wheel bracket of the utility model;

[0018] Explanation of the reference numerals in the drawings in the specification: 1. die handle; 2. upper die seat; 3. upper pad; 4. upper clamp; 5. stripper plate; 6. punch pin; 7. guide column; 8. lower die plate; 9. lower pad; 10. positioning block; 11. lower die seat; 12. guide hole; 13. column; 14. workpiece. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0025] The two adjacent positioning holes are axially symmetrically arranged to adapt to the shapes of the side walls of the workpiece 14 .

[0026] Embodiment 1:

[0027] like Figure 1-2 As shown, a side hole punching die for a universal wheel bracket includes an upper die and a lower die, the upper die includes an upper die base 2, an upper clamping plate 4 and a plurality of punching pins 6, the upper clamping plate 4 is fixed to the bottom of the upper die base 2, and the punching pins 6 are fixed to the bottom of the upper clamping plate 4; the lower die cooperates with the upper die, the lower die includes a lower die base 11, a lower cushion block 9, a lower template 8 and two positioning blocks 10, the lower template 8 is arranged above the lower die base 11, the lower cushion block 9 is arranged between the lower die base 11 and the lower template 8, and there are two positioning holes evenly distributed on the lower template 8, and the positioning blocks 10 are plugged into and correspond to the positioning holes one by one.

[0028] Two of the positioning holes are symmetrically arranged about the center axis of the lower template 8, so that when punching for the second time, the workpiece 14 and the positioning block 10 in the left positioning hole are flipped 180 degrees and inserted into the right positioning hole, and the workpiece 14 and the positioning block 10 in the right positioning hole are flipped 180 degrees and inserted into the left positioning hole.

[0029] A die handle 1 is provided on the top of the upper die base 2, and the die handle 1 is connected to the hydraulic system.

[0030] A column 13 is disposed on the lower die base 11 , and the column 13 penetrates the upper die base 2 .

[0031] Guide posts 7 are provided on both sides of the upper clamping plate, and a stripping plate 5 is provided on the upper clamping plate. The guide posts 7 pass through the stripping plate 5 and are inserted into the guide holes 12. The guide holes 12 are provided on the lower template 8. The punching needle 6 passes through the stripping plate 5. A spring is provided between the stripping plate 5 and the upper clamping plate. During actual punching, the workpiece 14 is easily driven by the punching needle 6 to move upward. The stripping plate 5 can be set to press the workpiece 14 during punching to prevent the workpiece 14 from moving. After the punching is completed, the spring can push the stripping plate 5 back to quickly separate the punching needle 6 and the workpiece 14.

[0032] The top of the lower pad 9 and the bottom of the stripper plate 5 are both provided with grooves that conform to the side wall of the workpiece 14 .

[0033] An upper cushion block 3 is provided between the upper die base 2 and the upper clamping plate 4 .

[0034] The positioning block 10 is provided with bolts, and the bolts are used to fix the workpiece 14 to the positioning block 10 .

[0035] Working principle: First, the worker fixes the workpiece 14 on the positioning block 10, and inserts it into the corresponding positioning hole according to the shape of the workpiece 14 to fix it. Then the hydraulic system drives the upper die base 2 to press down. First, the stripper plate 5, under the action of the spring, cooperates with the lower pad 9 to firmly press the workpiece 14 into the two grooves. The upper die base 2 continues to press down, and the punch pin 6 pushes out the stripper plate 5 to punch the side wall of the workpiece 14. Then the upper die base 2 moves up, and the stripper plate 5 is reset under the action of the spring, so that the punch pin 6 and the workpiece 14 are quickly separated. The worker removes the workpiece 14 and the positioning block 10, flips it 180 degrees, inserts it into another positioning hole, repeats the above punching action, and punches the other side wall of the workpiece 14.

[0036] The side hole punching die of the universal wheel bracket of the utility model adopts a plurality of positioning holes and a positioning block 10, and can punch the side walls of a plurality of workpieces 14 at one time, with high punching efficiency. Moreover, the positioning holes and the positioning blocks 10 are plugged in and matched, and can be quickly assembled and disassembled, thereby realizing rapid fixing and disassembly of the workpiece 14. The operation is simple and quick, and the punching efficiency is further improved.

[0037] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A side hole punching die for a universal wheel bracket, characterized in that: include The upper die comprises an upper die base, an upper clamping plate and a plurality of punching pins, wherein the upper clamping plate is fixed to the bottom of the upper die base, and the punching pins are fixed to the bottom of the upper clamping plate; The lower mold cooperates with the upper mold, and the lower mold includes a lower mold base, a lower cushion block, a lower template and at least two positioning blocks. The lower template is arranged above the lower mold base, and the lower cushion block is arranged between the lower mold base and the lower template. At least two positioning holes are evenly distributed on the lower template, and the positioning blocks are plugged into and correspond to the positioning holes one by one.

2. A side hole punching die for a universal wheel bracket according to claim 1, characterized in that: A die handle is provided on the top of the upper die seat, and the die handle is connected to the hydraulic system.

3. A side hole punching die for a universal wheel bracket according to claim 1, characterized in that: The lower die seat is provided with a column, and the column is penetrated through the upper die seat.

4. A side hole punching die for a universal wheel bracket according to claim 1, characterized in that: Guide posts are arranged on both sides of the upper clamping plate, and the upper clamping plate is provided with a stripping plate. The guide posts pass through the stripping plate and are inserted into guide holes. The guide holes are arranged in the lower plate. The punch needle passes through the stripping plate, and a spring is arranged between the stripping plate and the upper clamping plate.

5. A side hole punching die for a universal wheel bracket according to claim 4, characterized in that: The top of the lower pad and the bottom of the stripping plate are both provided with grooves that match the side wall of the workpiece in a contour.

6. A side hole punching die for a universal wheel bracket according to claim 1, characterized in that: An upper cushion block is arranged between the upper die seat and the upper clamping plate.

7. A side hole punching die for a universal wheel bracket according to claim 1, characterized in that: The positioning block is provided with bolts, and the bolts are used to fix the workpiece to the positioning block.

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