Stretching die structure

By designing the operation of positioning first and then stretching in the tensile mold, combined with components such as T-shaped plate, press plate, cross-shaped block and spring, the problems of low efficiency and poor safety in the existing tensile mold structure are solved. A more efficient and safe metal sheet stretching process is achieved.

CN222429049UActive Publication Date: 2025-02-07ZHEJIANG HONGCHENG PRECISION MOLD CO LTD
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Patent Information

Application Number
CN202420970157.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2025-02-07
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

The existing tensile mold structure lacks a protective structure, which causes the residual material of the metal sheet to be caught on the outside of the mold and needs to be removed manually, which is inefficient and easy to cut the hands.

Method used

A tensile mold structure was designed. By first positioning and then stretching the metal sheet, the T-shaped plate, pressing plate, cross-shaped block and spring are used to effectively position and stretch the metal sheet, and through The coordination between the limiting plate and the positioning frame ensures the smooth removal of the remaining material.

Benefits of technology

By positioning first and then stretching, the low material removal efficiency and the risk of cutting hands are effectively avoided, and the safety and efficiency of the stretching process of metal sheets are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a drawing die structure, which relates to the technical field of drawing dies, and comprises a base, a top plate fixedly arranged above the end part of the base, a concave die arranged at the lower end of the top plate and capable of vertically lifting, a mounting seat fixedly arranged in the middle of the upper end of the base, a convex die fixedly arranged in the middle of the upper end of the mounting seat, and T-shaped plates symmetrically arranged on two sides of the upper end part of the mounting seat, a cross-shaped block is arranged in one end of the T-shaped plate, a spring is arranged at the bottom end of the cross-shaped block, a pressing plate is arranged at the upper end of the cross-shaped block and can vertically ascend and descend, a connecting plate is arranged between the two cross-shaped blocks, a positioning frame is arranged at the lower end of the connecting plate, and a limiting plate is arranged on one side of the positioning frame and can do reciprocating linear motion in the horizontal direction; according to the utility model, a metal plate is firstly positioned and then is stretched, so that excess materials can be conveniently taken out, and the conditions of low material taking efficiency and hand cutting injury are effectively avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of stretching dies, in particular to a stretching die structure. Background Art

[0002] Stretching is an important forming method for metal sheets. In conventional stretching dies, the characteristics are that the die is in the upper die part and the punch is fixed on the lower die base.

[0003] The existing stretching die structure does not have a protective structure. After the metal sheet is stretched, the remaining material is usually stuck on the outside of the die, and the remaining material is in a broken state. It is usually removed by manual hands, which is inefficient and easy to cut the hands.

[0004] In view of the above problems, the utility model provides a stretching die structure. Utility Model Content

[0005] The purpose of the utility model is to provide a stretching die structure, which facilitates the removal of excess material by first positioning the metal plate and then performing the stretching operation, effectively avoiding low material removal efficiency and hand cuts, thereby solving the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stretching mold structure, including a base, a top plate fixedly provided above the end of the base, a vertically liftable concave mold arranged at the lower end of the top plate, a mounting seat fixedly provided at the middle of the upper end of the base, a punch fixedly provided at the middle of the upper end of the mounting seat, T-plates symmetrically provided at both sides of the upper end of the mounting seat, a cross block provided inside one end of the T-plate, a spring provided at the bottom end of the cross block, a pressure plate provided at the upper end of the cross block, the pressure plate can be vertically lifted, a connecting plate provided between the two cross blocks, a positioning frame provided at the lower end of the connecting plate, a limiting plate provided at one side of the positioning frame, and the limiting plate can reciprocate linearly in the horizontal direction.

[0007] Furthermore, the bottom end of the T-shaped plate is fixedly connected to the upper end of the mounting seat, a cross-shaped groove is opened on one side of the upper end of the T-shaped plate, a cross-shaped block is slidably connected to the inner surface of the cross-shaped groove, the bottom end of the cross-shaped block is fixedly connected to a spring, the bottom end of the spring is fixedly connected to the inner bottom surface of the cross-shaped groove, the upper end of the cross-shaped block is fixedly connected to a connecting column, and the upper end of the connecting column is fixedly connected to a pressure plate.

[0008] Furthermore, both ends of the connecting plate are fixedly connected to the side of the cross block, a positioning frame is fixedly connected to the middle of the bottom end of the connecting plate, and a fixing frame is also fixedly connected to the upper end of the mounting seat. A limiting plate is slidably connected inside the fixed frame, and the limiting plate is slidably connected to the inside of the positioning frame.

[0009] Furthermore, a handle is fixedly connected to one end of the limiting plate, and an outer side of the handle is processed with anti-slip patterns.

[0010] Furthermore, a buffer gasket is attached to the bottom end of the pressing plate.

[0011] Furthermore, columns are fixedly connected on both sides of the upper end of the base, and both sides of the top plate are fixedly connected to the outer sides of the upper ends of the columns. A hydraulic cylinder is fixedly installed on the upper end of the top plate, and the output end of the hydraulic cylinder extends downward through the top plate and is fixedly connected to a die.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model provides a stretching die structure, which passes the metal sheet through the T-plates and the pressure plate on both sides, and places it on the upper end of the punch, and then presses the connecting plate downward, the connecting plate drives the cross-shaped blocks on both sides to move vertically downward and squeeze the spring, and then drives the pressure plates on both sides to move downward and press the metal sheet, then move the limit plate and insert it into the positioning frame to fix the connecting plate, at this time the metal sheet is fixed, then the die moves vertically downward to stretch the metal sheet through the punch, after the stretching is completed, take out the finished product, finally move the limit plate and leave the positioning frame, under the upward push of the spring, the pressure plates on both sides move upward to reset, and then take out the remaining material, or move the remaining material and repeat the above operation. The purpose of this design is to first position the metal sheet and then perform the stretching operation, so as to facilitate the removal of the remaining material, and effectively avoid the low material taking efficiency and hand cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the upper end portion of the mounting seat in the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the T-shaped plate in the utility model;

[0017] Figure 4 It is a schematic diagram of the connecting plate structure in the utility model.

[0018] In the figure: 1. base; 2. column; 3. top plate; 4. hydraulic cylinder; 5. mounting seat; 6. punch; 7. die; 8. T-plate; 9. cross groove; 10. cross block; 11. spring; 12. connecting column; 13. pressure plate; 14. connecting plate; 15. positioning frame; 16. fixing frame; 17. limit plate; 18. handle. DETAILED DESCRIPTION

[0019] 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.

[0020] In order to solve the problem of how to effectively protect technology, such as Figure 1-4 As shown, the following preferred technical solutions are provided:

[0021] A stretching die structure comprises a base 1, a top plate 3 is fixedly arranged above the end of the base 1, a concave die 7 which can be lifted vertically is arranged at the lower end of the top plate 3, a mounting seat 5 is fixedly arranged at the middle of the upper end of the base 1, a punch 6 is fixedly arranged at the middle of the upper end of the mounting seat 5, T-plates 8 are symmetrically arranged on both sides of the upper end of the mounting seat 5, a cross block 10 is arranged inside one end of the T-plate 8, a spring 11 is arranged at the bottom end of the cross block 10, a pressing plate 13 is arranged at the upper end of the cross block 10, the pressing plate 13 can be lifted vertically, a connecting plate 14 is arranged between the two cross blocks 10, a positioning frame 15 is arranged at the lower end of the connecting plate 14, a limiting plate 17 is arranged at one side of the positioning frame 15, and the limiting plate 17 can reciprocate linearly in the horizontal direction.

[0022] Specifically, the metal sheet is passed through the T-plates 8 and the pressure plate 13 on both sides, and is placed on the upper end of the punch 6. Then the connecting plate 14 is pressed downward. The connecting plate 14 drives the cross-shaped blocks 10 on both sides to move vertically downward and squeeze the spring 11, thereby driving the pressure plates 13 on both sides to move downward and press the metal sheet. Then the limit plate 17 is moved and inserted into the positioning frame 15 to fix the connecting plate 14. At this time, the metal sheet is fixed. Then the die 7 is moved vertically downward through the punch 6 to stretch the metal sheet. After the stretching is completed, the finished product is taken out. Finally, the limit plate 17 is moved and leaves the positioning frame 15. Under the upward push of the spring 11, the pressure plates 13 on both sides move upward and reset, and then the remaining material can be taken out, or the remaining material can be moved and the above operation is repeated. The purpose of this design is to facilitate the removal of the remaining material by first positioning the metal sheet and then performing the stretching operation, effectively avoiding low material removal efficiency and cutting hands.

[0023] Further, such as Figure 1-3 As shown, the following preferred technical solutions are provided:

[0024] The bottom end of the T-shaped plate 8 is fixedly connected to the upper end of the mounting seat 5, a cross groove 9 is provided on one side of the upper end of the T-shaped plate 8, a cross block 10 is slidably connected to the inner surface of the cross groove 9, the bottom end of the cross block 10 is fixedly connected to a spring 11, the bottom end of the spring 11 is fixedly connected to the inner bottom surface of the cross groove 9, the upper end of the cross block 10 is fixedly connected to a connecting column 12, and the upper end of the connecting column 12 is fixedly connected to a pressing plate 13. The purpose of this design is to ensure that the cross block 10 is pressed to drive the pressing plate 13 to move vertically downward, and under the push of the spring 11, the cross block 10 drives the pressing plate 13 to rise vertically and reset.

[0025] Further, such as Figure 2 and Figure 4 As shown, the following preferred technical solutions are provided:

[0026] Both ends of the connecting plate 14 are fixedly connected to the side of the cross block 10, a positioning frame 15 is fixedly connected to the middle of the bottom end of the connecting plate 14, and a fixing frame 16 is also fixedly connected to the upper end of the mounting seat 5. A limiting plate 17 is slidably connected inside the fixing frame 16, and the limiting plate 17 is slidably connected to the inside of the positioning frame 15. The purpose of this design is to insert the limiting plate 17 into the positioning frame 15 to fix the position of the connecting plate 14.

[0027] Further, such as Figure 2 As shown, the following preferred technical solutions are provided:

[0028] One end of the limiting plate 17 is fixedly connected to a handle 18 , and the outer side of the handle 18 is processed with anti-slip grooves. The purpose of such design is to facilitate the reciprocating movement of the limiting plate 17 .

[0029] Further, such as Figure 2 As shown, the following preferred technical solutions are provided:

[0030] A buffer pad is attached to the bottom end of the pressing plate 13. The purpose of this design is to increase the clamping stability of the pressing plate 13 through extrusion deformation and to protect the metal sheet at the same time.

[0031] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:

[0032] Both sides of the upper end of the base 1 are fixedly connected to the columns 2, both sides of the top plate 3 are fixedly connected to the outer sides of the upper ends of the columns 2, and a hydraulic cylinder 4 is fixedly installed on the upper end of the top plate 3. The output end of the hydraulic cylinder 4 extends downward through the top plate 3 and is fixedly connected to a die 7. The purpose of this design is to drive the die 7 to rise and fall vertically through the hydraulic cylinder 4 to complete the stretching of the metal sheet.

[0033] To summarize: the metal sheet is passed through the T-plates 8 and the pressure plate 13 on both sides, and is placed on the upper end of the punch 6, and then the connecting plate 14 is pressed downward. The connecting plate 14 drives the cross-shaped blocks 10 on both sides to move vertically downward and squeeze the spring 11, thereby driving the pressure plates 13 on both sides to move downward and press the metal sheet, and then the limiting plate 17 is moved and inserted into the positioning frame 15 to fix the connecting plate 14. At this time, the metal sheet is fixed, and then the die 7 is moved vertically downward through the punch 6 to stretch the metal sheet. After the stretching is completed, the finished product is taken out, and finally the limiting plate 17 is moved and leaves the positioning frame 15. Under the upward push of the spring 11, the pressure plates 13 on both sides move upward and reset, and then the remaining material can be taken out, or the remaining material can be moved and the above operation is repeated. The purpose of this design is to facilitate the removal of the remaining material by first positioning the metal sheet and then performing the stretching operation, effectively avoiding low material removal efficiency and hand cuts.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although the 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 stretching die structure, characterized in that: The utility model comprises a base (1), wherein a top plate (3) is fixedly arranged above the end of the base (1), a concave die (7) which can be lifted vertically is arranged at the lower end of the top plate (3), a mounting seat (5) is fixedly arranged at the middle part of the upper end of the base (1), a convex die (6) is fixedly arranged at the middle part of the upper end of the mounting seat (5), T-shaped plates (8) are symmetrically arranged on both sides of the upper end of the mounting seat (5), a cross block (10) is arranged inside one end of the T-shaped plate (8), a spring (11) is arranged at the bottom end of the cross block (10), a pressing plate (13) is arranged at the upper end of the cross block (10), and the pressing plate (13) can be lifted vertically, a connecting plate (14) is arranged between the two cross blocks (10), a positioning frame (15) is arranged at the lower end of the connecting plate (14), a limiting plate (17) is arranged on one side of the positioning frame (15), and the limiting plate (17) can reciprocate linearly in the horizontal direction.

2. A stretching die structure according to claim 1, characterized in that: The bottom end of the T-shaped plate (8) is fixedly connected to the top end of the mounting seat (5); a cross-shaped groove (9) is provided on one side of the top end of the T-shaped plate (8); a cross-shaped block (10) is slidably connected to the inner surface of the cross-shaped groove (9); a spring (11) is fixedly connected to the bottom end of the cross-shaped block (10); the bottom end of the spring (11) is fixedly connected to the inner bottom surface of the cross-shaped groove (9); a connecting column (12) is fixedly connected to the top end of the cross-shaped block (10); and a pressing plate (13) is fixedly connected to the top end of the connecting column (12).

3. A stretching die structure according to claim 1, characterized in that: Both ends of the connecting plate (14) are fixedly connected to the side of the cross-shaped block (10); a positioning frame (15) is fixedly connected to the middle of the bottom end of the connecting plate (14); a fixing frame (16) is also fixedly connected to the upper end of the mounting seat (5); a limiting plate (17) is slidably connected inside the fixing frame (16); and the limiting plate (17) is slidably connected to the inside of the positioning frame (15).

4. A stretching die structure according to claim 1, characterized in that: One end of the limit plate (17) is fixedly connected to a handle (18), and the outer side of the handle (18) is processed with anti-slip patterns.

5. A stretching die structure according to claim 1, characterized in that: A buffer pad is attached to the bottom end of the pressing plate (13).

6. A stretching die structure according to claim 1, characterized in that: The upper end of the base (1) is fixedly connected to columns (2) on both sides, the top plate (3) is fixedly connected to the outer sides of the upper ends of the columns (2) on both sides, the upper end of the top plate (3) is fixedly mounted with a hydraulic cylinder (4), the output end of the hydraulic cylinder (4) extends downward through the top plate (3) and is fixedly connected to a concave mold (7).