Stamping positioning mechanism for automobile stamping part

Abstract

The utility model belongs to the technical field of automobile stamping, and particularly relates to an automobile stamping part stamping positioning mechanism which comprises an upper pressing die and a lower pressing die which are correspondingly arranged up and down, a stamping assembly is arranged at the bottom end of the upper pressing die, a buffering assembly is arranged between the upper pressing die and the lower pressing die, and a stamping groove used for containing a stamping part is formed in the top end of the lower pressing die. The stamping groove is located under the stamping assembly, a driving assembly is arranged in the lower pressing die and is in transmission connection with four positioning assemblies used for positioning stamping parts, the positioning assemblies penetrate out of the top face of the lower pressing die and are rotationally connected with the top face of the lower pressing die, and the four positioning assemblies are located at the four corners of the stamping groove correspondingly. When the positioning device is used, the driving assembly drives the four positioning assemblies to position and adjust a stamping part, the stamping part with the position deviation problem is straightened, and the situation that the size of the stamped part does not meet the requirement when the position of the stamping part deviates from the set position is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile stamping, and in particular relates to a stamping positioning mechanism for automobile stamping parts. Background Art

[0002] Stamping dies are special process equipment used to process materials into parts during cold stamping. Stamping is a pressure processing method that uses a die installed on a press to apply pressure to the material at room temperature to separate or plastically deform the material, thereby obtaining the desired parts.

[0003] In terms of positioning, most of the existing stamping dies use positioning rods and positioning grooves to cooperate with each other to position the stamping parts. When the position of the stamping part deviates from the set position, the stamping part cannot be adjusted through the positioning grooves and positioning rods. This causes the stamped part to have dimensions that do not meet the requirements, thereby affecting the quality of the stamping part. Utility Model Content

[0004] The utility model aims to provide a stamping positioning mechanism for automobile stamping parts to solve the above problems.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] A stamping positioning mechanism for automobile stamping parts comprises an upper die and a lower die which are arranged correspondingly from top to bottom, a stamping assembly is arranged at the bottom end of the upper die, a buffer assembly is arranged between the upper die and the lower die, a stamping groove for placing stamping parts is opened at the top end of the lower die, the stamping groove is located directly below the stamping assembly, a driving assembly is arranged in the lower die, the driving assembly is transmission-connected with four positioning assemblies for positioning the stamping parts, the positioning assembly passes through the top surface of the lower die, the positioning assembly is rotationally connected to the top surface of the lower die, and the four positioning assemblies are respectively located at the four corners of the stamping groove.

[0007] Preferably, the driving assembly includes a motor fixedly connected to the inner bottom wall of the lower die, the output shaft of the motor is fixedly connected to the middle end of a driving rod, the driving rod is horizontally arranged, and the opposite ends of the driving rod are hinged with first hinged rods, the two first hinged rods are centrally symmetrically arranged, the first hinged rod is transmission-connected to a driving part, and the driving part is transmission-connected to the positioning assembly.

[0008] Preferably, the driving part includes a slider hinged to the first hinged rod, a first sliding rod is fixedly connected to the inner side wall of the lower die, the slider is slidably connected to the outer side wall of the first sliding rod, both ends of the first sliding rod are fixedly connected to limiting blocks, the second hinged rod is hinged on opposite sides of the slider, the two second hinged rods are symmetrically arranged, the end of the second hinged rod away from the slider is hinged to one end of a third hinged rod, and the other end of the third hinged rod is transmission connected to the positioning assembly.

[0009] Preferably, the positioning assembly includes a rotating rod fixedly connected to the third hinged rod, the rotating rod is vertically arranged, one end of the rotating rod away from the third hinged rod passes through the top wall of the lower die, the rotating rod is rotatably connected to the top wall of the lower die, the top end of the rotating rod is fixedly connected to a fixing rod, and one end of the fixing rod away from the rotating rod is fixedly connected to a positioning rod.

[0010] Preferably, the buffer assembly includes a plurality of vertically arranged sliding sleeves, and the plurality of sliding sleeves are respectively located on two opposite sides of the lower die, the sliding sleeves are slidably connected to a second sliding rod, the top end of the second sliding rod passes through the sliding sleeve and is fixedly connected to the upper die, the bottom end of the second sliding rod is fixedly connected to a slide plate, the slide plate is slidably connected to the inner side wall of the sliding sleeve, and a spring is fixedly connected between the bottom end of the slide plate and the inner bottom wall of the sliding sleeve.

[0011] Preferably, the stamping assembly comprises a stamping block fixedly connected to the bottom end of the upper die, and the stamping block is located directly above the stamping groove and is adapted to the stamping groove.

[0012] Compared with the prior art, the utility model has the following advantages and technical effects:

[0013] When the utility model is used, after the stamping part is placed in the stamping slot, the driving component drives the four positioning components to adjust the positioning of the stamping part, and the stamping part with position deviation is straightened, so that the stamping part is located at the set position, and the size of the stamped part does not meet the requirements when the position of the stamping part deviates from the set position. Then, the stamping is performed through the stamping component on the upper die, and the buffer component can play a buffering role and a positioning role at the same time, ensuring that the stamping component and the stamping slot are always in the corresponding upper and lower positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor:

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 Schematic diagram of the internal structure of the lower die;

[0017] Figure 3 for Figure 2 A partial enlarged view of the middle part;

[0018] Figure 4 A schematic diagram of the structure of the buffer component.

[0019] Among them, 1. lower die; 2. upper die; 3. stamping groove; 4. stamping block; 5. motor; 6. driving rod; 7. first hinged rod; 8. slider; 9. first slide bar; 10. second hinged rod; 11. limit block; 12. third hinged rod; 13. fixed rod; 14. positioning rod; 15. rotating rod; 16. second slide bar; 17. sliding sleeve; 18. spring; 19. slide plate. DETAILED DESCRIPTION

[0020] 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.

[0021] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] Reference Figure 1-Figure 4 The utility model provides a stamping positioning mechanism for automobile stamping parts, including an upper die 2 and a lower die 1 which are correspondingly arranged in the upper and lower parts, a stamping assembly is arranged at the bottom end of the upper die 2, a buffer assembly is arranged between the upper die 2 and the lower die 1, a stamping groove 3 for placing stamping parts is opened at the top of the lower die 1, and the stamping groove 3 is located directly below the stamping assembly, a driving assembly is arranged in the lower die 1, and the driving assembly is transmission-connected with four positioning assemblies for positioning the stamping parts, the positioning assembly passes through the top surface of the lower die 1, the positioning assembly is rotatably connected to the top surface of the lower die 1, and the four positioning assemblies are respectively located at the four corners of the stamping groove 3.

[0023] When the utility model is used, after the stamping part is placed in the stamping slot 3, the driving component drives the four positioning components to adjust the positioning of the stamping part, and the stamping part with position deviation is straightened, so that the stamping part is located at the set position, and the size of the stamped part does not meet the requirements when the position of the stamping part deviates from the set position. Then, the stamping is performed through the stamping component on the upper die, and the buffer component can play a buffering role and a positioning role at the same time, ensuring that the stamping component and the stamping slot 3 are always in the corresponding upper and lower positions.

[0024] A power device is provided at the top of the upper die 2 for providing power to the punching assembly on the upper die 2 .

[0025] A further optimized solution is that the driving assembly includes a motor 5 fixedly connected to the bottom wall inside the lower die, the output shaft of the motor 5 is fixedly connected to the middle end of the driving rod 6, the driving rod 6 is horizontally arranged, and the opposite ends of the driving rod 6 are hinged with first hinged rods 7, the two first hinged rods 7 are centrally symmetrically arranged, the first hinged rods 7 are transmission-connected to the driving part, and the driving part is transmission-connected to the positioning assembly.

[0026] A further optimized solution is that the driving part includes a slider 8 hinged to the first hinged rod 7, a first slide rod 9 is fixedly connected to the inner wall of the lower die 1, the slider 8 is slidably connected to the outer wall of the first slide rod 9, both ends of the first slide rod 9 are fixedly connected to the limiting blocks 11, and the slider 8 is hinged to the second hinged rod 10 on the opposite sides, the two second hinged rods 10 are symmetrically arranged, and the end of the second hinged rod 10 away from the slider 8 is hinged to one end of the third hinged rod 12, and the other end of the third hinged rod 12 is transmission connected to the positioning assembly.

[0027] A further optimized solution is that the positioning assembly includes a rotating rod 15 fixedly connected to the third hinged rod 12, the rotating rod 15 is vertically arranged, and one end of the rotating rod 15 away from the third hinged rod 12 passes through the top wall of the lower die 1, the rotating rod 15 is rotatably connected to the top wall of the lower die 1, the top end of the rotating rod 15 is fixedly connected to the fixing rod 13, and the end of the fixing rod 13 away from the rotating rod 15 is fixedly connected to the positioning rod 14.

[0028] The motor 5 drives the driving rod 6 to rotate forward and reverse, and the first hinged rod 7 at the end of the driving rod 6 rotates. The first hinged rod 7 drives the slider 8 to slide along the first slide rod 9. The slider 8 slides and drives the second hinged rod 10 to drive the third hinged rod 12 to rotate. The third hinged rod 12 is fixedly connected to the rotating rod 15. The rotating rod 15 drives the fixed rod 13 and the positioning rod 14 to rotate. The positioning rod 14 moves the stamping part to adjust the position of the stamping part. The four positioning rods 14 play a positioning role in the stamping part.

[0029] A further optimized solution is that the buffer assembly includes a plurality of vertically arranged sliding sleeves 17, and the plurality of sliding sleeves 17 are respectively located on two opposite sides of the lower die 1. The sliding sleeves 17 are slidably connected to a second sliding rod 16, and the top end of the second sliding rod 16 passes through the sliding sleeve 17 and is fixedly connected to the upper die 2. The bottom end of the second sliding rod 16 is fixedly connected to a slide plate 19, and the slide plate 19 is slidably connected to the inner side wall of the sliding sleeve 17, and a spring 18 is fixedly connected between the bottom end of the slide plate 19 and the inner bottom wall of the sliding sleeve 17.

[0030] According to a further optimized solution, the stamping assembly includes a stamping block 4 fixedly connected to the bottom end of the upper die 2 , and the stamping block 4 is located directly above the stamping slot 3 and is adapted to the stamping slot 3 .

[0031] The working process of the utility model is as follows:

[0032] After the stamping part is placed in the stamping slot 3, the motor 5 drives the driving rod 6 to rotate forward and reverse, and the first hinged rod 7 at the end of the driving rod 6 rotates. The first hinged rod 7 drives the slider 8 to slide along the first slide rod 9. The slider 8 slides and drives the second hinged rod 10 to drive the third hinged rod 12 to rotate. The third hinged rod 12 is fixedly connected to the rotating rod 15. The rotating rod 15 drives the fixed rod 13 and the positioning rod 14 to rotate. The positioning rod 14 moves the stamping part to adjust the position of the stamping part. The four positioning rods 14 play a positioning role for the stamping part.

[0033] The power device at the top of the upper die 2 provides power for the punching block 4 on the upper die 2 to perform punching. The sliding sleeve 17 and the second slide bar 16 play an auxiliary positioning role to ensure that the punching block 4 and the punching groove 3 are always in corresponding upper and lower positions. The elastic force of the spring 18 can drive the second slide bar 16 to restore its original position.

[0034] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to 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.

[0035] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A stamping positioning mechanism for automobile stamping parts, characterized in that: The invention comprises an upper die (2) and a lower die (1) which are arranged correspondingly in the upper and lower parts, a stamping assembly is arranged at the bottom end of the upper die (2), a buffer assembly is arranged between the upper die (2) and the lower die (1), a stamping groove (3) for placing a stamping part is opened at the top end of the lower die (1), the stamping groove (3) is located directly below the stamping assembly, a driving assembly is arranged in the lower die (1), the driving assembly is transmission-connected with four positioning assemblies for positioning the stamping part, the positioning assembly passes through the top surface of the lower die (1), the positioning assembly is rotationally connected with the top surface of the lower die (1), and the four positioning assemblies are respectively located at the four corners of the stamping groove (3).

2. The automobile stamping part stamping positioning mechanism according to claim 1, characterized in that: The driving assembly comprises a motor (5) fixedly connected to the inner bottom wall of the lower die, the output shaft of the motor (5) being fixedly connected to the middle end of a driving rod (6), the driving rod (6) being arranged horizontally, the two opposite ends of the driving rod (6) being hinged with first hinged rods (7), the two first hinged rods (7) being arranged symmetrically with respect to the center, the first hinged rod (7) being transmission-connected to a driving part, and the driving part being transmission-connected to the positioning assembly.

3. The automobile stamping part stamping positioning mechanism according to claim 2, characterized in that: The driving part comprises a slider (8) hinged to the first hinged rod (7); a first slide rod (9) is fixedly connected to the inner side wall of the lower die (1); the slider (8) is slidably connected to the outer side wall of the first slide rod (9); both ends of the first slide rod (9) are fixedly connected to limit blocks (11); the slider (8) is hinged to second hinged rods (10) on opposite sides; the two second hinged rods (10) are symmetrically arranged; one end of the second hinged rod (10) away from the slider (8) is hinged to one end of a third hinged rod (12); the other end of the third hinged rod (12) is transmission-connected to the positioning assembly.

4. The automobile stamping part stamping positioning mechanism according to claim 3, characterized in that: The positioning assembly comprises a rotating rod (15) fixedly connected to the third hinge rod (12), the rotating rod (15) being vertically arranged, one end of the rotating rod (15) away from the third hinge rod (12) passing through the top wall of the lower die (1), the rotating rod (15) being rotatably connected to the top wall of the lower die (1), the top end of the rotating rod (15) being fixedly connected to a fixing rod (13), and one end of the fixing rod (13) away from the rotating rod (15) being fixedly connected to a positioning rod (14).

5. The automobile stamping part stamping positioning mechanism according to claim 1, characterized in that: The buffer assembly comprises a plurality of vertically arranged sliding sleeves (17), wherein the plurality of sliding sleeves (17) are respectively located on opposite sides of the lower die (1), the sliding sleeve (17) is slidably connected to a second sliding rod (16), the top end of the second sliding rod (16) passes through the sliding sleeve (17) and is fixedly connected to the upper die (2), the bottom end of the second sliding rod (16) is fixedly connected to a slide plate (19), the slide plate (19) is slidably connected to the inner side wall of the sliding sleeve (17), and a spring (18) is fixedly connected between the bottom end of the slide plate (19) and the inner bottom wall of the sliding sleeve (17).

6. The automobile stamping part stamping positioning mechanism according to claim 1, characterized in that: The punching assembly comprises a punching block (4) fixedly connected to the bottom end of the upper die (2); the punching block (4) is located directly above the punching groove (3) and is adapted to the punching groove (3).

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