Precise-alignment punching machine for machining automobile parts

Abstract

The utility model relates to the field of automobile part machining, and discloses an accurate alignment punching machine for automobile part machining, which comprises a punching machine main body, the outer wall of the punching machine main body is fixedly connected with a workbench, the top of the punching machine main body is provided with a punching mechanism, and the bottom end of the punching mechanism is provided with a punching plate. A die is detachably connected to the bottom of the stamping plate, a motor a is welded to the outer wall of the workbench, a threaded rod a is fixedly connected to an output shaft of the motor a, two sets of clamping plates a are in threaded connection to the outer wall of the threaded rod a, a guide rod a is fixedly connected to the inner wall of the workbench, and a motor b is welded to the outer wall of the workbench; a threaded rod b is fixedly connected to an output shaft of the motor b, two sets of clamping plates b are connected to the outer wall of the threaded rod b through bolts, and a guide rod b is fixedly connected to the inner wall of the workbench. According to the utility model, automobile parts can be fixed in the center of the workbench through the four groups of clamping plates, so that accurate alignment is ensured.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts processing, in particular to a punching machine for automobile parts processing with precise positioning. Background Art

[0002] In the process of precisely aligning automobile parts, punch presses are often used for stamping. A punch press is a machine tool used to perform plastic processing on metal materials. The punch impacts the metal sheet to cause it to undergo plastic deformation and eventually form the desired part shape.

[0003] In the processing of automotive parts, accurate positioning is very important, because the accuracy and quality of parts directly affect the performance and safety of the whole vehicle. By using a punching machine with accurate positioning, it can ensure that the parts are accurately positioned and sized during the processing, thereby ensuring the quality and reliability of the parts.

[0004] At present, the precise positioning of punching machines for processing automobile parts often requires engineers to determine the processing size and position requirements of the parts according to the design drawings, and then adjust the parameters and tooling of the punching machine to ensure that the position and force of the punch on the metal sheet meet the precise requirements. This is troublesome and the manual adjustment error is large. Some devices can fix the automobile parts to the center position through a fixing device, but can only ensure that it is in the center position in a single direction, and the accuracy is not enough. Secondly, the disassembly of the mold requires the use of additional disassembly tools, which is troublesome. Therefore, a precise positioning punching machine for processing automobile parts is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a punching machine for processing automobile parts with precise positioning, aiming to improve the problem in the prior art that the automobile parts cannot be ensured to be in the exact center of the workbench and the mold replacement is troublesome.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a punch press for processing automobile parts with precise positioning, comprising a punch press body, the outer wall of the punch press body is fixedly connected to a workbench, a punching mechanism is arranged on the top of the punch press body, a punching plate is arranged on the bottom end of the punching mechanism, a mold is detachably connected to the bottom of the punching plate, a motor a is welded to the outer wall of the workbench, a threaded rod a is fixedly connected to the output shaft of the motor a, two groups of clamping plates a are threadedly connected to the outer wall of the threaded rod a, a guide rod a is fixedly connected to the inner wall of the workbench, a motor b is welded to the outer wall of the workbench, a threaded rod b is fixedly connected to the output shaft of the motor b, two groups of clamping plates b are bolted to the outer wall of the threaded rod b, and a guide rod b is fixedly connected to the inner wall of the workbench.

[0007] As a further description of the above technical solution:

[0008] The outer wall of the stamping plate is provided with four groups of circular grooves, the top of the mold is fixedly connected with four groups of columnar blocks, the inner wall of the columnar block is slidably connected with a pull rod, the inner wall of the pull rod is slidably connected with two groups of blocks, and the two groups of blocks are elastically connected by a reset spring.

[0009] As a further description of the above technical solution:

[0010] The outer walls at both ends of the threaded rod a are rotatably connected to the inner wall of the workbench, and the inner wall of the clamping plate a is slidably connected to the outer wall of the guide rod a.

[0011] As a further description of the above technical solution:

[0012] The two ends of the threaded rod b are rotatably connected to the inner wall of the workbench, and the outer wall of the guide rod b() is slidably connected to the inner wall of the clamping plate b.

[0013] As a further description of the above technical solution:

[0014] The inner wall of the clamping plate a is slidably connected with the outer wall of the clamping plate b.

[0015] As a further description of the above technical solution:

[0016] The outer wall of the columnar block is plugged into the inner wall of the circular groove.

[0017] As a further description of the above technical solution:

[0018] The two ends of the return spring are respectively fixedly connected to the inner ends of the two groups of clamping blocks.

[0019] As a further description of the above technical solution:

[0020] The bottom of the clamping block is clamped with the outer wall above the stamping plate, and the outer wall of the clamping block is in contact with the inner wall of the columnar block.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by setting motor a and motor b, the motor a is driven to make two sets of clamps a fix the automobile parts to the left and right center of the workbench, and then the motor b is driven to make two sets of clamps b fix the automobile parts to the front and back direction of the workbench. The two sets of clamps cooperate with each other to fix the parts in the center of the workbench and are accurately aligned.

[0023] 2. In the utility model, by setting the card blocks and the pull rod, after pressing the two groups of card blocks inward, the pull rod is pulled upward to make the card blocks completely retracted and pressed against the inner wall of the columnar block. After that, the mold can be removed. When installing, the columnar block can be aligned with the circular groove and pushed in. The installation and disassembly are relatively simple and no additional disassembly tools are required. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall front view of a punching machine for processing automobile parts with precise alignment proposed by the utility model;

[0025] Figure 2 This is a front view of a clamping plate of a punching machine for processing automobile parts with precise alignment proposed by the utility model;

[0026] Figure 3 The utility model discloses a cross-sectional schematic diagram of a columnar block of a punching machine for processing automobile parts with precise alignment.

[0027] Legend:

[0028] 1. Punch machine body; 2. Workbench; 3. Punching mechanism; 4. Punching plate; 5. Die; 6. Motor a; 7. Threaded rod a; 8. Guide rod a; 9. Clamp a; 10. Motor b; 11. Threaded rod b; 12. Clamp b; 13. Guide rod b; 14. Column block; 15. Round groove; 16. Pull rod; 17. Return spring; 18. Block. DETAILED DESCRIPTION

[0029] 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.

[0030] Reference Figure 1-Figure 2The utility model provides an embodiment: a punching machine for accurately positioning automobile parts processing, comprising a punching machine body 1, the outer wall of the punching machine body 1 is fixedly connected to a workbench 2, a punching mechanism 3 is arranged on the top of the punching machine body 1, a punching plate 4 is arranged at the bottom of the punching mechanism 3, a mold 5 is detachably connected to the bottom of the punching plate 4, and the punching mechanism 3 is used to control the mold 5 to process the automobile parts placed on the workbench 2, a motor a6 is welded to the outer wall of the workbench 2, a threaded rod a7 is fixedly connected to the output shaft of the motor a6, the outer walls of the two ends of the threaded rod a7 are rotatably connected to the inner wall of the workbench 2, the motor a6 drives the threaded rod a7 to rotate along the inner wall of the workbench 2, the outer wall of the threaded rod a7 is threadedly connected to two groups of splints a9, the inner walls of the two groups of splints a9 are arranged to be reverse threads, and they move closer to or separate from each other as the threaded rod a7 rotates, the inner wall of the workbench 2 is fixedly connected to a guide rod a8, and the inner wall of the splint a9 is connected to the guide rod The outer wall of a8 is slidably connected, and two groups of clamping plates a9 are moved closer to each other along the guide rod a8 to fix the auto parts placed on the workbench 2 to the left and right. A motor b10 is welded to the outer wall of the workbench 2, and a threaded rod b11 is fixedly connected to the output shaft of the motor b10. The two ends of the threaded rod b11 are rotatably connected to the inner wall of the workbench 2. Two groups of clamping plates b12 are bolted to the outer wall of the threaded rod b11. The inner walls of the two groups of clamping plates b12 are also provided with two groups of reverse threads. The inner wall of the workbench 2 is fixedly connected to the guide rod b13. The outer wall of the guide rod b(13) is slidably connected to the inner wall of the clamping plate b12. The motor b10 drives the threaded rod b11 to rotate, so that the two groups of clamping plates b12 are moved closer to each other along the guide rod b13 to fix the auto parts in the front and back directions. The auto parts can be fixed at the center of the workbench 2 from four directions to ensure precise processing. The inner wall of the clamping plate a9 is slidably connected to the outer wall of the clamping plate b12.

[0031] Reference Figure 1 and Figure 3The outer wall of the stamping plate 4 is provided with four groups of circular grooves 15, and the top of the mold 5 is fixedly connected with four groups of columnar blocks 14. The outer wall of the columnar block 14 is plugged into the inner wall of the circular groove 15. The columnar block 14 is aligned with the circular groove 15 and inserted, and the mold 5 is fixed on the stamping plate 4. The inner wall of the columnar block 14 is slidably connected with a pull rod 16, and the inner wall of the pull rod 16 is slidably connected with two groups of card blocks 18. The interval between the two groups of card blocks 18 is elastically connected by a reset spring 17. The two ends of the reset spring 17 are respectively fixedly connected to the inner end of the two groups of card blocks 18. The surface of the card block 18 is set to an inclined surface. In the process of inserting the columnar block 14 into the circular groove 15, the circular groove The inner wall of 15 squeezes the inclined surface of the card block 18 to squeeze the reset spring 17 and retract it. At the same time, the elastic force generated by the deformation of the reset spring 17 gives the two groups of card blocks 18 an outward thrust to reset them. After the column block 14 is fully inserted into the circular groove 15, the bottom of the card block 18 is engaged with the outer wall above the stamping plate 4 to fix the mold 5 on the stamping plate 4. After the card block 18 is pressed into the pull rod 16, the pull rod 16 is pulled upward to make the card block 18 press against the inner wall of the column block 14 to prevent it from popping out. The outer wall of the card block 18 is in contact with the inner wall of the column block 14. At this time, the column block 14 and the mold 5 can be removed from the stamping plate 4.

[0032] Working principle: Place auto parts on the workbench 2, start the motor a6, rotate the threaded rod a7, drive the two sets of clamps a9 to move closer to each other along the guide rod a8, and fix the auto parts to the center position of the left and right sides of the workbench 2, then start the motor b10, rotate the threaded rod b11 and drive the two sets of clamps b12 to move closer to each other along the guide rod b13, and fix the auto parts to the center position of the front and back of the workbench 2. The four sets of clamps cooperate with each other to fix the auto parts to the center of the workbench 2 to ensure precise processing. When the mold 5 needs to be replaced, press the two sets of blocks 18 inward, and then pull the pull rod 16 upward so that the pull rod 16 drives the block 18 to move upward together. When the block 18 is fully retracted, the outer wall of the block 18 abuts against the inner wall of the columnar block 14 to prevent it from popping out. Then the mold 5 can be removed. When installing, directly align the columnar block 14 with the circular groove 15 and insert it.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A punching machine for processing automobile parts with precise positioning, comprising a punching machine body (1), characterized in that: The outer wall of the punching machine body (1) is fixedly connected to a workbench (2); a punching mechanism (3) is arranged on the top of the punching machine body (1); a punching plate (4) is arranged at the bottom of the punching mechanism (3); a mold (5) is detachably connected to the bottom of the punching plate (4); a motor a (6) is welded to the outer wall of the workbench (2); a threaded rod a (7) is fixedly connected to the output shaft of the motor a (6); two groups of clamping plates a (9) are threadedly connected to the outer wall of the threaded rod a (7); a guide rod a (8) is fixedly connected to the inner wall of the workbench (2); a motor b (10) is welded to the outer wall of the workbench (2); a threaded rod b (11) is fixedly connected to the output shaft of the motor b (10); two groups of clamping plates b (12) are bolted to the outer wall of the threaded rod b (11); and a guide rod b (13) is fixedly connected to the inner wall of the workbench (2).

2. The punch press for processing automobile parts with precise alignment according to claim 1, characterized in that: The outer wall of the stamping plate (4) is provided with four groups of circular grooves (15), the top of the mold (5) is fixedly connected with four groups of columnar blocks (14), the inner wall of the columnar block (14) is slidably connected with a pull rod (16), the inner wall of the pull rod (16) is slidably connected with two groups of clamping blocks (18), and the two groups of clamping blocks (18) are elastically connected at intervals via a reset spring (17).

3. The punch press for processing automobile parts with precise alignment according to claim 1, characterized in that: The outer walls at both ends of the threaded rod a (7) are rotatably connected to the inner wall of the workbench (2), and the inner wall of the clamping plate a (9) is slidably connected to the outer wall of the guide rod a (8).

4. The punch press for processing automobile parts with precise alignment according to claim 1 is characterized in that: The two ends of the threaded rod b (11) are rotatably connected to the inner wall of the workbench (2), and the outer wall of the guide rod b (13) is slidably connected to the inner wall of the clamping plate b (12).

5. The punch press for processing automobile parts with precise alignment according to claim 1, characterized in that: The inner wall of the clamping plate a (9) is slidably connected to the outer wall of the clamping plate b (12).

6. The punch press for processing automobile parts with precise alignment according to claim 2, characterized in that: The outer wall of the columnar block (14) is plugged into the inner wall of the circular groove (15).

7. The punch press for processing automobile parts with precise alignment according to claim 2, characterized in that: The two ends of the return spring (17) are respectively fixedly connected to the inner ends of the two groups of clamping blocks (18).

8. The punch press for processing automobile parts with precise alignment according to claim 2, characterized in that: The bottom of the clamping block (18) is clamped with the upper outer wall of the stamping plate (4), and the outer wall of the clamping block (18) is in contact with the inner wall of the columnar block (14).

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