High-precision automobile part stamping die

Abstract

The utility model relates to a high-precision stamping die for automobile parts, which belongs to the field of stamping dies and comprises a base, and a support frame is fixed on the back of the base. According to the high-precision automobile part stamping die, when an automobile part is stamped, a second handle is rotated to drive a second threaded rod to rotate, then a front-back moving plate moves front and back on the upper surface of a left-right moving plate, the stamping positions of the front side and the rear side of the clamped and fixed automobile part can be adjusted, and high-precision stamping can be conducted; hydraulic cylinders on the left side and the right side can be started at the same time to drive a punching head to move downwards and move into a punching protection frame to punch a clamped and fixed automobile part, the safety during punching can be improved through the punching protection frame, and the situation that workers are hurt due to the fact that the automobile part is ejected out during punching is avoided; the first electric push rods on the left side and the right side are started at the same time to drive the ejection plate to move upwards in the stamping protection frame, and the stamped automobile parts can be pushed out.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a high-precision stamping die for automobile parts. Background Art

[0002] Auto parts are spatially shaped surface or internal parts made of metal sheets such as the engine, chassis, cab, and body. They are generally made by stamping, and stamping requires the use of stamping dies. Stamping dies are a special process equipment that processes materials (metal or non-metal) into parts (or semi-finished products) during cold stamping. They are called cold stamping dies.

[0003] For example, Chinese patent CN218079981U discloses a stamping die for high-precision automotive parts, including a base and a movable plate, one end of a screw rod is fixedly connected to a hand wheel, and the outer side of the screw rod is screwed with a U-shaped plate, both sides of the U-shaped plate are fixedly installed with electric telescopic rods, the output end of the electric telescopic rod passes through the U-shaped plate and is fixedly connected with a clamping plate, both sides of the U-shaped plate are symmetrically fixedly installed with limiting wheels rollingly connected to the limiting groove, a plurality of accommodating grooves are provided at the bottom of the U-shaped plate, and a ball rollingly connected to the rolling groove is provided inside each accommodating groove, and limiting wheels, limiting grooves, balls and rolling grooves are provided between the U-shaped plate and the base in the utility model, which can avoid sliding friction caused by direct contact between the U-shaped plate and the base, and the use of limiting wheels and balls can enhance the smoothness of movement, solve the problem that the moving part is easy to generate friction with the main body when moving, and there is noise pollution, which affects the smoothness of adjusting the position of the moving part and has a poor use effect.

[0004] Although the above patent has limit wheels, limit grooves, balls and rolling grooves between the U-shaped plate and the base to avoid sliding friction caused by direct contact between the U-shaped plate and the base, and the limit wheels and balls can be used to enhance the smoothness of movement, the problem that the moving parts are prone to friction with the main body when moving, which causes noise pollution and affects the smoothness of adjusting the position of the moving parts, resulting in poor use effect, but in this patent, when the punching head punches the auto parts, since the auto parts are exposed on the outside and the left and right sides of the auto parts are clamped and fixed by two clamping plates, the safety during stamping is general, which reduces practicality. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a high-precision automobile parts stamping die, which has the advantages of improving the safety during stamping, etc., and solves the problem that when the punching head stamps the automobile parts, the automobile parts are exposed to the outside and the left and right sides of the automobile parts are clamped and fixed by two clamps, so the safety during stamping is generally poor.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision automobile parts stamping die, comprising a base, a support frame is fixed on the back of the base, two hydraulic cylinders are fixed on the upper surface of the support frame, the outer sides of the two hydraulic cylinder output shafts penetrate the support frame and extend to the inside of the support frame, and punch heads are fixed on the outer sides of the left and right hydraulic cylinder output shafts, and a connecting mechanism is provided on the upper surface of the base;

[0007] The connecting mechanism includes a fixed plate fixed on the upper surface of the base, a fixed groove is opened on the upper surface of the fixed plate, a sliding rod is fixed inside the fixed groove, a sliding block is slidably connected to the outer side of the sliding rod, the sliding block is slidably connected to the inside of the fixed groove, a left and right movable plate is fixed on the upper surface of the sliding block, the lower surface of the left and right movable plate is in contact with the upper surface of the fixed plate, and a first connecting block is fixed on the left side of the upper surface of the fixed plate.

[0008] Furthermore, the connecting mechanism also includes a first threaded rod screwed to the inside of the first connecting block, the right side of the first threaded rod is rotatably connected to the left side of the left and right movable plates through a bearing, a first handle is fixed to the left side of the first threaded rod, a second connecting plate is fixed to the front side of the left and right movable plates, the internal threads of the second connecting plate are connected to the second threaded rod, a second handle is fixed to the front side of the second threaded rod, and the back side of the second threaded rod is rotatably connected to the front and rear movable plates through bearings, and the lower surface of the front and rear movable plates is in contact with the upper surface of the left and right movable plates.

[0009] Furthermore, the connecting mechanism also includes a stamping protection frame fixed on the upper surface of the front and rear moving plates, a first sliding groove is opened on the left and right sides of the upper surface of the left and right moving plates, a supporting sliding block is slidably connected inside the first sliding groove, the upper surface of the supporting sliding block is fixedly connected to the lower surface of the front and rear moving plates, a second sliding groove is opened on the left and right sides of the upper surface of the left and right moving plates, a supporting sliding rod is slidably connected inside the second sliding groove, the top of the supporting sliding rod is fixedly connected to the lower surface of the stamping protection frame, a first electric push rod is fixed on the left and right sides of the lower surface of the stamping protection frame, and the outer sides of the output shafts of the first electric push rods on the left and right sides pass through the stamping protection frame.

[0010] Furthermore, the connecting mechanism also includes an ejection plate fixed to the outer side of the output shaft of the first electric push rod on the left and right sides, the lower surface of the ejection plate is in contact with the bottom wall of the inner cavity of the stamping protection frame, the left and right sides of the stamping protection frame are fixed with the second electric push rod, the outer side of the output shaft of the second electric push rod on the left and right sides passes through the left and right sides of the stamping protection frame, the outer side of the output shaft of the second electric push rod on the left and right sides is fixed with a clamping plate, and the opposite sides of the clamping plates on the left and right sides are in contact with the left and right side walls of the inner cavity of the stamping protection frame.

[0011] Furthermore, the second connecting plate is located on the longitudinal center axis of the left and right movable plates.

[0012] Furthermore, anti-slip covers are fixed to the outer sides of the first handle and the second handle, and the anti-slip covers are rubber covers.

[0013] Furthermore, the sliding block moves linearly left and right on the outer side of the sliding rod, and the fixing groove is located on the longitudinal center axis of the fixing plate.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] When stamping automobile parts, the high-precision automobile parts stamping die can place the automobile parts to be stamped inside the stamping protection frame and on the upper surface of the ejection plate, and then start the second electric push rods on the left and right sides at the same time to drive the clamping plates on the left and right sides to clamp and fix the automobile parts. At this time, the first threaded rod can be driven to rotate by twisting the first handle, and then the left and right moving plates can be driven to move left and right on the upper surface of the fixed plate to adjust the stamping position of the left and right sides of the automobile parts after clamping and fixing. The second handle can be turned to drive the second threaded rod to rotate, and then the front and rear moving plates can be moved left and right on the upper surface of the fixed plate to adjust the stamping position of the left and right sides of the automobile parts. The upper surface of the movable plate moves back and forth, and can adjust the stamping position of the front and rear sides of the automobile parts after clamping and fixing, and can perform high-precision stamping. After the front, rear, left and right positions are adjusted, the left and right hydraulic cylinders can be started at the same time to drive the stamping head to move downward and move to the inside of the stamping protection frame to stamp the clamped automobile parts. The stamping protection frame can improve the safety during stamping to avoid injuries to workers caused by automobile parts being ejected during stamping. By simultaneously starting the first electric push rods on the left and right sides to drive the ejection plate to move upward inside the stamping protection frame, the stamped automobile parts can be pushed out. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection mechanism of the utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the punching protection frame of the utility model.

[0019] In the figure: 1 base, 2 support frame, 3 hydraulic cylinder, 4 punch head, 5 connecting mechanism, 501 fixed plate, 502 fixed groove, 503 sliding rod, 504 slider, 505 left and right moving plate, 506 first connecting block, 507 first threaded rod, 508 first handle, 509 second connecting plate, 510 second threaded rod, 511 second handle, 512 front and rear moving plate, 513 punching protection frame, 514 first sliding groove, 515 supporting sliding block, 516 second sliding groove, 517 supporting sliding rod, 518 first electric push rod, 519 ejection plate, 520 second electric push rod, 521 clamping 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] See also Figure 1 In this embodiment, a high-precision automobile part stamping die includes a base 1, a support frame 2 is fixed to the back of the base 1, two hydraulic cylinders 3 are fixed to the upper surface of the support frame 2, the outer sides of the output shafts of the two hydraulic cylinders 3 penetrate the support frame 2 and extend to the inside of the support frame 2, and punch heads 4 are fixed to the outer sides of the output shafts of the left and right hydraulic cylinders 3. A connecting mechanism 5 is provided on the upper surface of the base 1, and the connecting mechanism 5 improves the safety during stamping.

[0022] See also Figure 2-3 In order to improve the safety during stamping, in this embodiment, the connecting mechanism 5 includes a fixed plate 501 fixed on the upper surface of the base 1, and a fixed groove 502 is opened on the upper surface of the fixed plate 501. A sliding rod 503 is fixed inside the fixed groove 502. A slider 504 is slidably connected to the outer side of the sliding rod 503. The slider 504 is slidably connected to the inside of the fixed groove 502. A left and right movable plate 505 is fixed on the upper surface of the slider 504. The lower surface of the left and right movable plate 505 is in contact with the upper surface of the fixed plate 501. A first connecting block 506 is fixed on the left side of the upper surface of the fixed plate 501.

[0023] In this embodiment, the connecting mechanism 5 also includes a first threaded rod 507 screwed to the inside of the first connecting block 506, the right side of the first threaded rod 507 is rotatably connected to the left side of the left and right movable plate 505 through a bearing, a first handle 508 is fixed to the left side of the first threaded rod 507, a second connecting plate 509 is fixed to the front of the left and right movable plate 505, the internal thread of the second connecting plate 509 is connected to the second threaded rod 510, the front of the second threaded rod 510 is fixed to the second handle 511, and the back of the second threaded rod 510 is rotatably connected to the front and rear movable plate 512 through a bearing.

[0024] In this embodiment, the lower surface of the front and rear movable plates 512 is in contact with the upper surface of the left and right movable plates 505, and the connecting mechanism 5 also includes a stamping protection frame 513 fixed on the upper surface of the front and rear movable plates 512. After the front, rear, left and right positions are adjusted, the left and right hydraulic cylinders 3 can be started at the same time and drive the stamping head 4 to move downward and move to the inside of the stamping protection frame 513 and stamp the clamped automobile parts. The stamping protection frame 513 can improve the safety during stamping to avoid injuries to workers caused by the ejection of automobile parts during stamping. The left and right sides of the upper surface of the left and right movable plates 505 are provided with first slide grooves 514, and the interior of the first slide groove 514 is slidably connected with a support sliding block 515. The upper surface of the support sliding block 515 is fixedly connected to the lower surface of the front and rear movable plates 512, and the left and right sides of the upper surface of the left and right movable plates 505 are provided with second slide grooves 516.

[0025] In this embodiment, the second slide groove 516 is internally slidably connected with a support sliding rod 517, the top of the support sliding rod 517 is fixedly connected to the lower surface of the stamping protection frame 513, and the left and right sides of the lower surface of the stamping protection frame 513 are fixed with a first electric push rod 518. By rotating the second handle 511, the second threaded rod 510 is driven to rotate, and then the front and rear moving plate 512 moves forward and backward on the upper surface of the left and right moving plate 505, and the left and right support sliding blocks 515 and the support sliding rod 517 are respectively on the left and right first push rods 518. The inside of the slide groove 514 and the second slide groove 516 can slide back and forth, and can adjust the stamping position of the front and rear sides of the automobile parts after clamping and fixing, and can perform high-precision stamping. The outer side of the output shaft of the first electric push rods 518 on the left and right sides passes through the stamping protection frame 513. The connecting mechanism 5 also includes an ejector plate 519 fixed to the outer side of the output shaft of the first electric push rods 518 on the left and right sides. The lower surface of the ejector plate 519 is in contact with the bottom wall of the inner cavity of the stamping protection frame 513, and the second electric push rods 520 are fixed on both sides of the stamping protection frame 513.

[0026] In this embodiment, when stamping automobile parts, the automobile parts to be stamped can be placed inside the stamping protection frame 513 and on the upper surface of the ejection plate 519, and then the second electric push rods 520 on the left and right sides are started at the same time to drive the clamping plates 521 on the left and right sides to clamp and fix the automobile parts. At this time, the first threaded rod 507 can be driven to rotate by twisting the first handle 508, and then the left and right movable plates 505 are driven to move left and right on the upper surface of the fixed plate 501 and adjust the stamping position of the left and right sides of the automobile parts after clamping and fixing.

[0027] In this embodiment, the outer sides of the output shafts of the left and right second electric push rods 520 pass through the left and right sides of the stamping protection frame 513, and the outer sides of the output shafts of the left and right second electric push rods 520 are fixed with clamping plates 521. The opposite sides of the left and right clamping plates 521 are both in contact with the left and right side walls of the inner cavity of the stamping protection frame 513. The second connecting plate 509 is located on the longitudinal center axis of the left and right movable plates 505. The outer sides of the first handle 508 and the second handle 511 are fixed with anti-slip sleeves, which are rubber sleeves. The slider 504 moves linearly left and right on the outer side of the slide rod 503, and the fixed groove 502 is located on the longitudinal center axis of the fixed plate 501.

[0028] It should be noted that the stamped automobile parts can be ejected by simultaneously starting the first electric push rods 518 on the left and right sides to drive the ejection plate 519 to move upward inside the stamping protection frame 513.

[0029] The working principle of the above embodiment is:

[0030] When stamping automobile parts, the automobile parts to be stamped can be placed inside the stamping protection frame 513 and on the upper surface of the ejection plate 519, and then the second electric push rods 520 on the left and right sides are started at the same time to drive the clamping plates 521 on the left and right sides to clamp and fix the automobile parts. At this time, the first threaded rod 507 can be driven to rotate by twisting the first handle 508, and then the left and right movable plates 505 can be driven to move left and right on the upper surface of the fixed plate 501 and adjust the stamping position of the left and right sides of the automobile parts after clamping and fixing. The second threaded rod 510 is driven to rotate by turning the second handle 511, and then the front and rear movable plates 512 move back and forth on the upper surface of the left and right movable plates 505, and the left and right supporting sliding blocks 515 and the supporting sliding rod 517 slide forward and backward inside the first sliding groove 514 and the second sliding groove 516 on the left and right sides respectively, and can adjust the stamping position of the front and rear sides of the automobile parts after clamping and fixing, and can perform high-precision stamping. After the front, rear, left and right positions are adjusted, the left and right hydraulic cylinders 3 can be started at the same time and drive the punching head 4 to move downward and move to the inside of the punching protection frame 513 to punch the clamped automobile parts. The stamping protection frame 513 can improve the safety during stamping to avoid injuries to workers caused by automobile parts being ejected during stamping. By simultaneously starting the first electric push rods 518 on the left and right sides to drive the ejection plate 519 to move upward inside the punching protection frame 513, the stamped automobile parts can be pushed out.

[0031] 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. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A high-precision automobile parts stamping die, comprising a base (1), characterized in that: A support frame (2) is fixed on the back of the base (1), two hydraulic cylinders (3) are fixed on the upper surface of the support frame (2), the outer sides of the output shafts of the two hydraulic cylinders (3) penetrate the support frame (2) and extend into the interior of the support frame (2), punching heads (4) are fixed on the outer sides of the output shafts of the left and right hydraulic cylinders (3), and a connecting mechanism (5) is provided on the upper surface of the base (1); The connection mechanism (5) comprises a fixed plate (501) fixed on the upper surface of the base (1); a fixed groove (502) is provided on the upper surface of the fixed plate (501); a sliding rod (503) is fixed inside the fixed groove (502); a sliding block (504) is slidably connected to the outer side of the sliding rod (503); the sliding block (504) is slidably connected to the inside of the fixed groove (502); a left-right movable plate (505) is fixed on the upper surface of the sliding block (504); the lower surface of the left-right movable plate (505) is in contact with the upper surface of the fixed plate (501); and a first connecting block (506) is fixed on the left side of the upper surface of the fixed plate (501).

2. A high-precision automobile parts stamping die according to claim 1, characterized in that: The connection mechanism (5) further comprises a first threaded rod (507) screwed to the inside of the first connection block (506); the right side of the first threaded rod (507) is rotatably connected to the left side of the left-right movable plate (505) via a bearing; a first handle (508) is fixed to the left side of the first threaded rod (507); a second connection plate (509) is fixed to the front side of the left-right movable plate (505); the second threaded rod (510) is connected to the inner thread of the second connection plate (509); a second handle (511) is fixed to the front side of the second threaded rod (510); the back side of the second threaded rod (510) is rotatably connected to the front-rear movable plate (512) via a bearing; the lower surface of the front-rear movable plate (512) is in contact with the upper surface of the left-right movable plate (505).

3. A high-precision automobile parts stamping die according to claim 2, characterized in that: The connecting mechanism (5) also includes a stamping protection frame (513) fixed on the upper surface of the front and rear moving plates (512); first sliding grooves (514) are provided on the left and right sides of the upper surface of the left and right moving plates (505); a supporting sliding block (515) is slidably connected inside the first sliding groove (514); the upper surface of the supporting sliding block (515) is fixedly connected to the lower surface of the front and rear moving plates (512); second sliding grooves (516) are provided on the left and right sides of the upper surface of the left and right moving plates (505); a supporting sliding rod (517) is slidably connected inside the second sliding groove (516); the top end of the supporting sliding rod (517) is fixedly connected to the lower surface of the stamping protection frame (513); first electric push rods (518) are fixed on the left and right sides of the lower surface of the stamping protection frame (513); and the outer sides of the output shafts of the first electric push rods (518) on the left and right sides pass through the stamping protection frame (513).

4. A high-precision automobile parts stamping die according to claim 3, characterized in that: The connecting mechanism (5) also includes an ejection plate (519) fixed to the outer side of the output shaft of the first electric push rods (518) on the left and right sides, the lower surface of the ejection plate (519) is in contact with the bottom wall of the inner cavity of the stamping protection frame (513), and the second electric push rods (520) are fixed to the left and right sides of the stamping protection frame (513), and the outer side of the output shaft of the second electric push rods (520) on the left and right sides passes through the left and right sides of the stamping protection frame (513), and the outer side of the output shaft of the second electric push rods (520) on the left and right sides is fixed to the clamping plate (521), and the opposite sides of the clamping plates (521) on the left and right sides are in contact with the left and right side walls of the inner cavity of the stamping protection frame (513).

5. The high-precision automobile parts stamping die according to claim 2, characterized in that: The second connecting plate (509) is located on the longitudinal center axis of the left and right movable plates (505).

6. A high-precision automobile parts stamping die according to claim 2, characterized in that: Anti-slip covers are fixed to the outer sides of the first handle (508) and the second handle (511), and the anti-slip covers are rubber covers.

7. The high-precision automobile parts stamping die according to claim 1, characterized in that: The sliding block (504) moves linearly left and right on the outer side of the sliding rod (503), and the fixing groove (502) is located on the longitudinal center axis of the fixing plate (501).

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