Overlapped bending die

Abstract

The utility model relates to the technical field of bending, and discloses an overlapping bending die which is characterized in that a second telescopic spring is fixedly connected to the interior of a fixing groove, and a bending assembly is arranged below a pressing punch; a forming part can be fixed through a material pressing punch and a material pressing forming punch, a piston rod of an air cylinder drives one end of a bending head to abut against the bottom of the bending part so that the bending part can be bent, a first mounting plate continues to move downwards, and when a side pushing punch abuts against the inclined face of the other end of a material pressing forming sliding block, the bending part can be bent. The piston rod of the air cylinder drives the bending head to reset, at the moment, the side pushing punch pushes the material pressing forming sliding block to move in the sliding groove, one end of the material pressing forming sliding block abuts against one side of the bent part, and therefore one side of the bent part is punched, forming of the part is completed, and through the machining mode of combining bending and punching, the machining efficiency is improved. Machining of bent parts can be rapidly completed, the distance between adjacent parts is shortened, and the part assembling efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bending, in particular to an overlapping bending die. Background Art

[0002] The bending machine mold is a tool used by the bending machine to shape and process sheet materials. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the material being formed. It is a tool used to make the blank into a product with a specific shape and size under the pressure of the bending machine.

[0003] Traditionally, when using a continuous die to process overlapping bending stamping products, the product strip needs to go through multiple processing steps before the product can be formed. Due to the multiple processing steps, the intervals between the formed parts on the product strip are large, which can easily lead to reduced assembly efficiency during subsequent assembly. Therefore, an overlapping bending die is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide an overlapping bending die to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an overlapping bending mold, comprising a first mounting plate, wherein two ejecting pins are arranged inside the first mounting plate, a second mounting plate is installed at the bottom of the first mounting plate, and a third mounting plate is installed at the bottom of the second mounting plate, and a mounting groove is provided at the bottom of the third mounting plate, one end of the two ejecting pins passes through the interior of the second mounting plate and is located inside the mounting groove, one end of the two ejecting pins is fixedly connected to a pressing punch and a pressing forming punch respectively, a guide groove is provided on one side of the pressing punch, a slide groove is provided at the bottom of the pressing punch, a pressing forming slider is slidably connected inside the slide groove, a side pushing punch is provided inside the guide groove, a accommodating groove is provided at the bottom of the pressing forming punch, a fixing groove is provided at one end of the pressing forming slider, a second telescopic spring is fixedly connected inside the fixing groove, and a bending component is provided below the pressing punch.

[0006] Preferably, the end of the side push punch away from the guide groove is slidably connected to one side of the mounting groove, the top of the side push punch is fixedly connected to the bottom of the second mounting plate, one end of the side push punch is located above the other end of the press forming slider, and the other end of the press forming slider is provided with a slope on the upper side.

[0007] Preferably, one end of the second telescopic spring is fixedly connected to the bottom of the fixing groove, and the other end of the second telescopic spring is fixedly connected to one side of the pressing forming punch.

[0008] Preferably, two deep grooves are formed at the bottom of the first mounting plate, the two ejection pins are slidably connected to the inside of the two deep grooves, and a first telescopic spring is fixedly connected between the ejection pins and the deep grooves.

[0009] Preferably, positioning grooves are provided on both sides of the pressing punch, and positioning columns are fixedly connected to both sides of the pressing forming slider, and the positioning columns are located inside the positioning grooves.

[0010] Preferably, the above-mentioned bending assembly includes a first support plate, a second support plate, a third support plate and a bending head, the second support plate is fixedly connected to the top of the first support plate, the third support plate is fixedly connected to the top of the second support plate, and the bending head passes through the bottom of the first support plate, the second support plate and the third support plate in sequence.

[0011] Preferably, a cylinder is installed at the bottom of the first support plate, and a piston rod of the cylinder is fixedly connected to the bottom of the bending head.

[0012] Compared with the prior art, the utility model adopts the above technical scheme and has the following technical effects: the utility model can fix the formed parts through the pressing punch and the pressing forming punch, and drives one end of the bending head to abut against the bottom of the bending part through the piston rod of the cylinder, so as to bend the bending part, and the first mounting plate continues to move downward. When the side push punch abuts against the inclined surface of the other end of the pressing forming slider, the piston rod of the cylinder drives the bending head to reset. At this time, the side push punch pushes the pressing forming slider to move inside the slide groove, and one end of the pressing forming slider abuts against one side of the bending part, so as to stamp one side of the bending part to complete the forming of the part. Through the processing method combining bending and stamping, the processing of the bent parts can be completed quickly, the distance between adjacent parts can be shortened, and the efficiency of parts assembly can be greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

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

[0015] Figure 2 It is a schematic diagram of the downward pressing cross-sectional structure of the material pressing punch and the material pressing and forming punch of the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the side-thrust punch of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the material pressing punch of the utility model;

[0018] Figure 5 This is a schematic diagram of the fixing groove structure of the utility model;

[0019] Figure 6 This is a schematic diagram of the inclined surface structure of the utility model;

[0020] Figure 7 It is a structural schematic diagram of the utility model.

[0021] Explanation of the reference numerals in the accompanying drawings: 1. first mounting plate; 2. deep groove; 3. ejector pin; 4. first telescopic spring; 5. second mounting plate; 6. third mounting plate; 7. mounting groove; 8. pressing punch; 9. guide groove; 10. slide groove; 11. pressing and forming slider; 12. side push punch; 13. inclined surface; 14. pressing and forming punch; 15. accommodating groove; 16. fixing groove; 17. second telescopic spring; 18. positioning groove; 19. positioning column; 20. first support plate; 21. second support plate; 22. third support plate; 23. bending head; 24. cylinder. DETAILED DESCRIPTION

[0022] 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.

[0023] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0024] Example

[0025] See also Figure 1-7The utility model provides a technical solution: an overlapping bending mold, comprising a first mounting plate 1, two ejector pins 3 are arranged inside the first mounting plate 1, a second mounting plate 5 is installed at the bottom of the first mounting plate 1, a third mounting plate 6 is installed at the bottom of the second mounting plate 5, a mounting groove 7 is provided at the bottom of the third mounting plate 6, and two deep grooves 2 are provided at the bottom of the first mounting plate 1, two ejector pins 3 are slidably connected to the inside of the two deep grooves 2, a first telescopic spring 4 is fixedly connected between the ejector pins 3 and the deep grooves 2, one end of the two ejector pins 3 passes through the inside of the second mounting plate 5 and is located inside the mounting groove 7, during the downward movement of the first mounting plate 1, the side push punch 12 moves inside the guide groove 9, and at the same time, the top end of the ejector pin 3 moves to the inside of the deep groove 2, and the first telescopic spring 4 is in a compressed state;

[0026] In order to ensure the accuracy of bending, one end of the two ejector pins 3 is fixedly connected with a press punch 8 and a press forming punch 14 respectively, a guide groove 9 is provided on one side of the press punch 8, a slide groove 10 is provided at the bottom of the press punch 8, a press forming slider 11 is slidably connected inside the slide groove 10, a side push punch 12 is provided inside the guide groove 9, a receiving groove 15 is provided at the bottom of the press forming punch 14, a fixing groove 16 is provided at one end of the press forming slider 11, a second telescopic spring 17 is fixedly connected inside the fixing groove 16, and a bending component is provided below the press punch 8; the press punch 8 and the press forming punch 14 are driven downward by the first mounting plate 1, so that the press punch 8 and the press forming punch 14 are in contact with the top of the formed part, and the formed part can be fixed by the press punch 8 and the press forming punch 14.

[0027] One end of the side push punch 12 away from the guide groove 9 is slidably connected to one side of the mounting groove 7, the top of the side push punch 12 is fixedly connected to the bottom of the second mounting plate 5, one end of the side push punch 12 is located above the other end of the pressing and forming slider 11, and the other end of the pressing and forming slider 11 is provided with an inclined surface 13 on the upper side, one end of the second telescopic spring 17 is fixedly connected to the bottom of the fixing groove 16, and the other end of the second telescopic spring 17 is fixedly connected to one side of the pressing and forming punch 14, and positioning grooves 18 are provided on both sides of the pressing punch 8, and both sides of the pressing and forming slider 11 are A positioning column 19 is fixedly connected, and the positioning column 19 is located inside the positioning groove 18; the first mounting plate 1 continues to move downward, and the side push punch 12 pushes the pressing and forming slider 11 to move inside the slide groove 10, and the second telescopic spring 17 is in a compressed state. One end of the pressing and forming slider 11 abuts against one side of the bent part, thereby stamping one side of the bent part to complete the forming of the part. Through the processing method of combining bending and stamping, the processing of the bent part can be quickly completed, the distance between adjacent parts is shortened, and the efficiency of part assembly is greatly improved;

[0028] After the parts processing is completed, the first mounting plate 1 is reset, and the pressing punch 8 and the pressing forming punch 14 are separated from the top of the third support plate 22. At this time, the ejector pin 3 will be reset under the action of the first telescopic spring 4, and the side push punch 12 will be separated from the other end of the pressing forming slide block 11. At the same time, the pressing forming slide block 11 will be reset under the action of the second telescopic spring 17 to ensure the next processing of the parts.

[0029] By setting up a bending assembly, the bending processing of the bent parts can be completed quickly; the bending assembly includes a first support plate 20, a second support plate 21, a third support plate 22 and a bending head 23, the second support plate 21 is fixedly connected to the top of the first support plate 20, the third support plate 22 is fixedly connected to the top of the second support plate 21, the bending head 23 passes through the bottom of the first support plate 20, the second support plate 21 and the third support plate 22 in sequence, a cylinder 24 is installed at the bottom of the first support plate 20, and the piston rod of the cylinder 24 is fixedly connected to the bottom of the bending head 23; the bending head 23 is driven by the piston rod of the cylinder 24 to move inside the first support plate 20, the second support plate 21 and the third support plate 22, one end of the bending head 23 is against the bottom of the bent part, thereby bending the bent part, and the protrusion of the bent part is located between the pressing punch 8 and the pressing forming punch 14.

[0030] Working principle or structural principle, when in use, the first mounting plate 1 drives the pressing punch 8 and the pressing forming punch 14 to move downward, so that the pressing punch 8 and the pressing forming punch 14 abut against the top of the formed part, and the formed part can be fixed by the pressing punch 8 and the pressing forming punch 14. At this time, the solenoid valve of the cylinder 24 can be controlled by the switch group, and the piston rod of the cylinder 24 drives the bending head 23 to move inside the first support plate 20, the second support plate 21 and the third support plate 22, and one end of the bending head 23 abuts against the bottom of the bending part, thereby bending the bending part, and the protrusion of the bending part is located between the pressing punch 8 and the pressing forming punch 14;

[0031] The first mounting plate 1 continues to move downward, so that the side push punch 12 moves inside the guide groove 9, and at the same time, the top end of the ejector pin 3 moves to the inside of the deep groove 2, and the first telescopic spring 4 is in a compressed state. When the side push punch 12 contacts the inclined surface 13 at the other end of the pressing and forming slide block 11, the piston rod of the cylinder 24 drives the bending head 23 to reset. At this time, the pressing and forming slide block 11 is pushed to move inside the slide groove 10 by the side push punch 12, and the second telescopic spring 17 is in a compressed state. One end of the pressing and forming slide block 11 contacts one side of the bent part, thereby stamping one side of the bent part to complete the forming of the part. By combining bending and stamping, the processing of the bent parts can be completed quickly, the distance between adjacent parts can be shortened, and the efficiency of part assembly is greatly improved.

[0032] When the first mounting plate 1 is reset, the press punch 8 and the press forming punch 14 are separated from the top of the third support plate 22. At this time, the ejector pin 3 is reset under the action of the first telescopic spring 4, and the side push punch 12 is separated from the other end of the press forming slider 11. At the same time, the press forming slider 11 is reset under the action of the second telescopic spring 17 to ensure the next processing of the parts.

[0033] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

Claims

1. An overlapping bending die, comprising a first mounting plate (1), characterized in that: Two ejector pins (3) are arranged inside the first mounting plate (1); a second mounting plate (5) is installed at the bottom of the first mounting plate (1); a third mounting plate (6) is installed at the bottom of the second mounting plate (5); a mounting groove (7) is provided at the bottom of the third mounting plate (6); one end of the two ejector pins (3) passes through the inside of the second mounting plate (5) and is located inside the mounting groove (7); one end of the two ejector pins (3) is fixedly connected to a pressing punch (8) and a pressing forming punch (14), respectively; the pressing punch A guide groove (9) is provided on one side of the pressing punch (8), a slide groove (10) is provided at the bottom of the pressing punch (8), a pressing and forming slider (11) is slidably connected inside the slide groove (10), a side push punch (12) is arranged inside the guide groove (9), a receiving groove (15) is provided at the bottom of the pressing and forming punch (14), a fixing groove (16) is provided at one end of the pressing and forming slider (11), a second telescopic spring (17) is fixedly connected inside the fixing groove (16), and a bending component is arranged below the pressing punch (8).

2. The overlapping bending die according to claim 1, characterized in that: One end of the side push punch (12) away from the guide groove (9) is slidably connected to one side of the mounting groove (7), the top of the side push punch (12) is fixedly connected to the bottom of the second mounting plate (5), one end of the side push punch (12) is located above the other end of the pressing and forming slider (11), and the upper side of the other end of the pressing and forming slider (11) is provided with an inclined surface (13).

3. The overlapping bending die according to claim 1, characterized in that: One end of the second telescopic spring (17) is fixedly connected to the bottom of the fixing groove (16), and the other end of the second telescopic spring (17) is fixedly connected to one side of the pressing forming punch (14).

4. The overlapping bending die according to claim 1, characterized in that: Two deep grooves (2) are provided at the bottom of the first mounting plate (1), and the two ejector pins (3) are slidably connected inside the two deep grooves (2). A first telescopic spring (4) is fixedly connected between the ejector pins (3) and the deep grooves (2).

5. The overlapping bending die according to claim 1, characterized in that: Positioning grooves (18) are provided on both sides of the pressing punch (8), and positioning columns (19) are fixedly connected to both sides of the pressing forming slider (11), and the positioning columns (19) are located inside the positioning grooves (18).

6. The overlapping bending die according to claim 1, characterized in that: The bending assembly comprises a first support plate (20), a second support plate (21), a third support plate (22) and a bending head (23); the second support plate (21) is fixedly connected to the top of the first support plate (20); the third support plate (22) is fixedly connected to the top of the second support plate (21); and the bending head (23) passes through the bottoms of the first support plate (20), the second support plate (21) and the third support plate (22) in sequence.

7. The overlapping bending die according to claim 6, characterized in that: A cylinder (24) is installed at the bottom of the first support plate (20), and a piston rod of the cylinder (24) is fixedly connected to the bottom of the bending head (23).

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