Workpiece positioning device for punching machine

By designing a punch workpiece positioning device including electro-hydraulic push rods, electric push rods and installation components, the problem of positioning difficulties in existing devices when dealing with workpieces of different heights is solved, flexible fixation and height adjustment of the materials processed by the hedge machine are realized, and usability and practicality are improved.

CN222643061UActive Publication Date: 2025-03-21CHONGQING DINGRUIXUAN HARDWARE PRODUCTS CO LTD
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Patent Information

Application Number
CN202421358813.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-03-21
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

The existing workpiece positioning devices for punch presses are difficult to achieve flexible positioning when processing workpieces of different heights, resulting in limited use and unable to meet the diversified market needs.

Method used

A workpiece positioning device for punch press including a base, an electro-hydraulic push rod, an electric push rod, a heat insulation plate, a positioning seat and a mounting assembly are designed. The adjustment seat, slider, composite spring, connecting rod, U-frame and threaded sleeve of the installation component can be fixedly installed on the punch, and the height of the insulation plate is adjusted to accommodate different workpieces through the coordination of electric push rod and electro-hydraulic push rod.

Benefits of technology

It realizes the simple and effective fixed limit of the materials processed by the hedge machine, avoids the slippage of the materials during processing, and improves the height adjustment ability of materials of different specifications, enhancing the usability and practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a workpiece positioning device for a punching machine, which belongs to the technical field of punching machine processing, has a simpler integral structure, is convenient for fixing and limiting materials processed by the punching machine, prevents the materials from sliding during processing, and is convenient for carrying out height adjustment operation on the materials required to be processed according to use requirements compared with the prior art. The device is high in comprehensive practicability and beneficial to popularization and application, and comprises a base, the two electric-hydraulic push rods are fixedly mounted on the base, and the output ends of the two electric-hydraulic push rods are fixedly connected with connecting columns; the two connecting seats are fixedly connected with the connecting column, and heat insulation plates are fixedly connected to the bottoms of the two connecting seats; and the four electric push rods are fixedly installed on the heat insulation plate, every two of the four electric push rods form a group, and the output ends of the two electric push rods located in the same group are fixedly connected with a strip-shaped plate.
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Description

Technical Field

[0001] The present application relates to the technical field of punching machine processing, and in particular to a workpiece positioning device for a punching machine. Background Art

[0002] As we all know, a punch press is a stamping press. In national production, the stamping process has the advantages of saving materials and energy, high efficiency, low technical requirements for operators, and the ability to produce products that cannot be achieved by mechanical processing through various mold applications. Therefore, its use is becoming more and more extensive. Stamping production mainly performs blanking, punching, forming, drawing, trimming, fine blanking, shaping, riveting and extrusion operations on sheet materials, and is widely used in various fields.

[0003] At present, in the relevant technology, after searching, the utility model with patent publication number CN214556837U discloses a workpiece positioning device for a punching machine, including a punching platform, an adjustment platform, a limiting side platform, a clamping piece, a limiting rod, a compression spring and a support platform; the punching platform is located below the punch, and two groups of adjustment platforms are symmetrically distributed and fixed on both sides of the punch; the limiting side platforms for limiting on both sides of the workpiece are fixed on the adjustment platform, and the support platform is also connected thereto through a longitudinally arranged limiting rod; the support platform is used to support the bottom of the workpiece, and a number of compression springs are connected between the support platform and the adjustment platform, and a clamping piece for pressing the workpiece on the support platform is also installed on the limiting side platform, and when the support platform and the adjustment platform are crimped, the bottom of the workpiece fits on the punching platform.

[0004] Regarding the above-mentioned related technologies, although they are convenient for adjusting the punching position, have a high degree of automation and less wear during use, the applicant has found that their overall structure is relatively complex, and in daily production processes, due to the different specifications of the workpieces to be processed, the existing devices are difficult to position workpieces of different heights at any time, which leads to certain limitations in use and makes it difficult to meet the diversified needs of the market.

[0005] Therefore, we propose a workpiece positioning device for a punching machine. Utility Model Content

[0006] The purpose of the utility model is to provide a workpiece positioning device for a punching machine to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A workpiece positioning device for a punch press, comprising:

[0009] Pedestal;

[0010] Two electro-hydraulic push rods, the two electro-hydraulic push rods are fixedly mounted on the base, and the output ends of the two electro-hydraulic push rods are fixedly connected with connecting columns;

[0011] Two connecting seats, the connecting seats are fixedly connected to the connecting columns, and the bottoms of the two connecting seats are fixedly connected with heat insulation boards;

[0012] Four electric push rods, each of which is fixedly mounted on the heat insulation board, and the four electric push rods are divided into a group of two, and the output ends of the two electric push rods in the same group are fixedly connected to a strip plate;

[0013] Two positioning seats, the two positioning seats are respectively arranged on the two strip plates;

[0014] The mounting assembly is arranged in the base and is used for fixing the base on the punch press.

[0015] As a further solution of the utility model: the mounting assembly includes two adjustment seats, both of which are arranged in the base through mounting grooves, the adjustment seats are provided with strip grooves, and a slider is slidably connected in the strip grooves, the slider is slidably connected to the strip grooves, one end of the slider is fixedly connected to the inner wall of the strip grooves through a plurality of composite springs, and one end of the slider extends to the outside of the adjustment seat through an adjustment hole and is fixedly connected to two connecting rods, the other ends of the two connecting rods are fixedly connected to a U-shaped frame, a threaded sleeve is fixedly installed in the U-shaped frame, a threaded column is screwed on the inner thread of the threaded sleeve, and a flat suction cup is provided at one end of the threaded column located in the U-shaped frame.

[0016] As a further solution of the utility model: a turntable is fixedly connected to one end of the two threaded columns that is away from the plane suction cup, and a strip handle is fixedly connected to the turntable.

[0017] As a further solution of the utility model: the opposite ends of the two positioning seats are fixedly connected with rubber pads.

[0018] As a further solution of the utility model: an anti-slip pad is fixedly connected to the heat insulation board.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] By setting the installation assembly, the base is fixedly installed on the punching machine body under the cooperation of the adjusting seat, the slider, the composite spring, the connecting rod, the U-shaped frame, the threaded sleeve, the threaded column and the flat suction cup, and then the material to be processed is placed on the insulation board, and at the same time, by starting the electric push rod, the material is fixedly limited on the insulation board under the cooperation of the electric push rod, the strip plate and the positioning seat, and at the same time, by starting the electro-hydraulic push rod, the insulation board is adjusted to a suitable height under the cooperation of the electro-hydraulic push rod, the connecting column and the connecting seat, and at the same time, by starting the punching machine, the purpose of processing the material on the insulation board is achieved, and its overall structure is relatively simple, which is convenient for fixing and limiting the material processed by the punching machine to avoid slippage of the material during processing, and compared with the prior art, it is convenient to adjust the height of the material to be processed according to the use requirements, thereby improving its usability, having good comprehensive practicality, and being conducive to popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall main view of the three-dimensional structure of the utility model;

[0022] Figure 2 It is a schematic diagram of a partially cutaway three-dimensional structure of the utility model;

[0023] Figure 3 For this utility model Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0024] Figure 4 It is a schematic diagram of the overall front view of the planar structure of the utility model.

[0025] In the figure: 1. base; 2. electro-hydraulic push rod; 3. connecting column; 4. connecting seat; 5. heat insulation board; 6. electric push rod; 7. strip plate; 8. positioning seat; 9. adjustment seat; 10. slider; 11. composite spring; 12. connecting rod; 13. U-shaped frame; 14. threaded sleeve; 15. threaded column; 16. flat suction cup; 17. turntable; 18. strip handle; 19. rubber cushion; 20. anti-slip pad. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The present application is further described in detail below in conjunction with the accompanying drawings.

[0028] See also Figures 1 to 4In an embodiment of the utility model, a workpiece positioning device for a punch press includes:

[0029] Pedestal;

[0030] Two electro-hydraulic push rods, the two electro-hydraulic push rods are fixedly mounted on the base, and the output ends of the two electro-hydraulic push rods are fixedly connected with connecting columns;

[0031] Two connecting seats, the connecting seats are fixedly connected to the connecting columns, and the bottoms of the two connecting seats are fixedly connected with heat insulation boards;

[0032] Four electric push rods, all of which are fixedly mounted on the heat insulation board, and the four electric push rods are divided into groups of two, and the output ends of the two electric push rods in the same group are fixedly connected with a strip plate;

[0033] Two positioning seats, both positioning seats are correspondingly arranged on the two strip plates;

[0034] An installation component is arranged in the base and is used to fix the base on the punch press.

[0035] The workpiece positioning device for a punch press can be used to set a mounting assembly, and under the action of the mounting assembly, the base can be fixedly mounted on the punch press body, and then the material to be processed can be placed on the heat insulation board, and at the same time, the electric push rod can be started, and the two positioning seats can be closely fitted with the material under the cooperation of the electric push rod, the strip plate and the positioning seat, so that the material can be fixed and limited on the heat insulation board, and at the same time, the electro-hydraulic push rod can be started, and under the cooperation of the electro-hydraulic push rod, the connecting column and the connecting seat, the connecting seat can drive the heat insulation board to move, so that the heat insulation board can be adjusted to a suitable height, and at the same time, the punch press can be started to process the material fixed and limited on the heat insulation board.

[0036] In Figure -: the installation component includes two adjustment seats, both of which are arranged in the base through installation grooves, the adjustment seats are provided with strip grooves, and a slider is slidably connected in the strip groove, the slider is slidably connected to the strip groove, one end of the slider is fixedly connected to the inner wall of the strip groove through a plurality of composite springs, and one end of the slider extends to the outside of the adjustment seat through an adjustment hole and is fixedly connected to two connecting rods, the other ends of the two connecting rods are fixedly connected to a U-shaped frame, a threaded sleeve is fixedly installed in the U-shaped frame, a threaded column is screwed on the inner thread of the threaded sleeve, and a flat suction cup is provided at one end of the threaded column located in the U-shaped frame.

[0037] The workpiece positioning device for a punch press, through the setting of this structure, under the cooperation of the adjusting seat, the slider, the composite spring and the connecting rod, moves the U-shaped frame to a suitable position, so that the U-shaped frame can be adapted to punch presses of different specifications, and then through the mutual cooperation of the U-shaped frame, the threaded sleeve and the threaded column, the flat suction cup is closely fitted with the bottom of the punch press, so as to achieve the purpose of fixing and limiting the U-shaped frame, and then the base can be fixedly installed on the punch press body.

[0038] In the figure: the two threaded columns are fixedly connected to the end away from the flat suction cup with a turntable for driving the threaded columns to rotate, and the turntable is fixedly connected with a bar handle for driving the turntable, and the opposite ends of the two locating seats are fixedly connected with rubber pads that increase the contact friction between the locating seats and the materials to be stamped, while avoiding hard contact between the materials and the locating seats, and the insulation board is fixedly connected with an anti-slip pad that increases the contact friction between the materials and the insulation board to avoid slipping of the materials on the insulation board.

[0039] In this embodiment, the electric push rod and the electro-hydraulic push rod are both well-known equipment purchased directly from the market by technicians in this field. They can be customized or selected according to actual needs. Here we only use them and do not make any structural and functional improvements. We will not go into details here. The electric push rod and the electro-hydraulic push rod are both provided with matching control switches. The installation position of the control switch is selected according to actual use requirements to facilitate the operator to operate and control. The technology is already very mature and can be implemented.

[0040] The implementation principle of the workpiece positioning device for a punching machine in the embodiment of the present application is as follows: first, the base 1 is placed on the punching machine body, and then the U-shaped frame 13 is moved to a suitable position through the mutual cooperation of the adjustment seat 9, the slider 10, the composite spring 11 and the connecting rod 12, and then the U-shaped frame 13, the threaded sleeve 14 and the threaded column 15 are mutually cooperated, and the turntable 17 is driven to rotate through the provided bar handle 18, and then the plane suction cup 16 is tightly fitted with the bottom of the punching machine body through the mutual cooperation of the threaded column 15 and the threaded sleeve 14, so as to achieve the U-shaped frame 1 3 is used for the purpose of fixing and limiting, so that the base 1 can be fixedly installed on the punching machine body and then the material to be processed can be placed on the heat insulation board 5. At the same time, the electric push rod 6 can be started, and the two positioning seats 8 can be closely fitted with the material on the heat insulation board 5 under the cooperation of the electric push rod 6, the strip plate 7 and the positioning seat 8, so that the material can be fixed and limited on the heat insulation board 5. Then, the electro-hydraulic push rod 2 can be started, and the heat insulation board 5 can be adjusted to a suitable height under the cooperation of the electro-hydraulic push rod 2, the connecting column 3 and the connecting seat 4, and then the punching machine can be started to process the material on the heat insulation board 5.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A workpiece positioning device for a punch press, characterized in that: include: Base (1); Two electro-hydraulic push rods (2), the two electro-hydraulic push rods (2) are fixedly mounted on the base (1), and the output ends of the two electro-hydraulic push rods (2) are fixedly connected to a connecting column (3); Two connecting seats (4), wherein the connecting seats (4) are fixedly connected to the connecting pillars (3), and the bottoms of the two connecting seats (4) are fixedly connected to heat insulation boards (5); Four electric push rods (6), each of which is fixedly mounted on the heat insulation board (5), and the four electric push rods (6) are divided into two groups, and the output ends of the two electric push rods (6) in the same group are fixedly connected to a strip plate (7); Two positioning seats (8), the two positioning seats (8) are respectively arranged on the two strip plates (7); A mounting assembly is arranged in the base (1) and is used to fix the base (1) on the punch press.

2. A workpiece positioning device for a punching machine according to claim 1, characterized in that: The mounting assembly comprises two adjustment seats (9), the two adjustment seats (9) are both arranged in the base (1) through the mounting groove, the adjustment seat (9) is provided with a strip groove, and a slider (10) is slidably connected in the strip groove, the slider (10) is slidably connected to the strip groove, one end of the slider (10) is fixedly connected to the inner wall of the strip groove through a plurality of composite springs (11), and one end of the slider (10) extends to the outside of the adjustment seat (9) through the adjustment hole and is fixedly connected to two connecting rods (12), the other ends of the two connecting rods (12) are fixedly connected to a U-shaped frame (13), a threaded sleeve (14) is fixedly installed in the U-shaped frame (13), a threaded column (15) is screwed on the inner thread of the threaded sleeve (14), and a plane suction cup (16) is arranged at one end of the threaded column (15) located in the U-shaped frame (13).

3. A workpiece positioning device for a punching machine according to claim 2, characterized in that: A rotating disk (17) is fixedly connected to the ends of the two threaded columns (15) and the plane suction cup (16) that are away from each other, and a strip handle (18) is fixedly connected to the rotating disk (17).

4. A workpiece positioning device for a punching machine according to claim 1, characterized in that: The opposite ends of the two positioning seats (8) are both fixedly connected with rubber cushions (19).

5. The workpiece positioning device for a punching machine according to claim 1, characterized in that: An anti-slip pad (20) is fixedly connected to the heat insulation board (5).