Automobile part double-layer material stamping die

Abstract

The utility model relates to the technical field of stamping dies, in particular to an automobile part double-layer material stamping die which comprises a lower die base and an upper die base, the lower die base and the upper die base are matched with each other through a guide column and a guide sleeve, and vertical supporting plates are fixedly connected to the centers of the two sides of the top face of the lower die base. A middle plate is fixedly connected between the adjacent side walls of the two vertical supporting plates, and first mold core grooves are formed in the centers of the top face and the bottom face of the middle plate correspondingly. Under the linkage action of the hollow gear and the rack, the two stamping bottom plates can conduct synchronous and reverse stamping motion, mutual extrusion between the second mold core groove and the first mold core groove is achieved, synchronous stamping of double-layer materials of automobile parts is achieved, one stamping bottom plate is fixed to the upper die base under the action of the L-shaped lifting frame, and the other stamping bottom plate is fixed to the lower die base under the action of the L-shaped lifting frame. In this way, the stamping production work of the double-layer material die can be achieved through the stamping work of a conventional stamping machine on the upper die base, and then the applicability of the device is improved.

Description

Technical Field

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

[0002] Automotive stamping parts are metal stamping parts that constitute automotive components. There are many varieties, such as automobile shock absorber stamping parts, spring trays, spring seats, spring brackets, brackets, etc., all of which belong to automotive stamping parts. Double-layer material stamping dies are special tools used to manufacture double-layer material stamping parts. The design and structure of this mold need to be customized according to specific product requirements and material properties.

[0003] For example, the existing patent announcement number CN220049728U provides a double-layer material stamping die for automobile parts; it includes a frame, a middle-layer seat is fixedly installed in the middle of the frame, the upper surface and the lower surface of the middle-layer seat are respectively fixedly installed with a first middle-layer die and a second middle-layer die, the top and the bottom of the frame are respectively fixedly installed with a first punching device and a second punching device, and the output shaft ends of the first punching device and the second punching device are respectively connected to the upper die and the lower die. The utility model forms a double-layer die by forming a first middle-layer die, a second middle-layer die, an upper die and a lower die, which can achieve the purpose of double-layer simultaneous stamping, has a simple structure, and effectively improves production efficiency; through the coordinated action of the vertical guide column, the first spring, the second spring, the first ejector plate and the second ejector plate, after the stamping process, under the rebound action of the first spring and the second spring, automatic unloading is achieved, which greatly reduces the labor intensity of the staff.

[0004] However, in the above-mentioned device, the synchronous telescopic movement of the stamping hydraulic levers installed on the upper and lower positions provides pressure for the mutual extrusion between the upper mold, the lower mold and the middle mold, so as to realize the synchronous stamping and forming of the double-layer material, while the stamping method of the existing presses is mostly unidirectional hydraulic stamping, resulting in the need for a specific stamping machine to perform the stamping work, which makes the application scope of the device relatively small.

[0005] Therefore, in view of the above problems, a double-layer stamping die for automobile parts is proposed. Utility Model Content

[0006] In order to make up for the shortcomings of the existing technology and solve the problem that the stamping method of the existing presses is mostly unidirectional hydraulic stamping, which requires a specific stamping machine to perform stamping work, making the application range of the device small, a double-layer material stamping die for automotive parts is proposed.

[0007] The technical solution adopted by the utility model to solve its technical problems is: a double-layer material stamping die for automobile parts described in the utility model comprises a lower die seat and an upper die seat, the lower die seat and the upper die seat cooperate with each other through guide columns and guide sleeves, vertical support plates are fixedly connected to the centers of both sides of the top surface of the lower die seat, a middle plate is fixedly connected between adjacent side walls of the two vertical support plates, a first core groove is opened at the centers of the top and bottom surfaces of the middle plate, a clearance opening is opened at the top surface of the middle plate near the two end edges, a middle shaft is fixedly connected to the inside of the clearance opening, a circular ring groove is opened at the center of the outer wall of the middle shaft, a hollow gear is clamped between the inner walls of the circular ring groove, stamping components are arranged above and below the middle plate, and the two stamping components are rotationally symmetrical along the axis where the middle shaft is located.

[0008] Preferably, the stamping assembly includes a stamping base plate, and racks are vertically fixed on both sides of the top surface of the stamping base plate near the center, the two racks are rotationally symmetrical along the center line of the top surface of the stamping base plate, and the two racks are respectively meshed with two hollow gears.

[0009] Preferably, a second core groove is formed at the center of the opposite surfaces of the two stamping bottom plates.

[0010] Preferably, the side walls of the clearance opening are symmetrically fixed with the limiting protrusions, the rear wall of the rack is provided with a strip-shaped slot, and the inner wall of the strip-shaped slot is engaged with the outer wall of the limiting protrusion.

[0011] Preferably, an L-shaped hanging frame is symmetrically fixed to the top surface of one of the stamping bottom plates, and the L-shaped hanging frame is fixed to the bottom surface of the upper die seat by bolts.

[0012] Preferably, the bottom surface of the center plate and the bottom surface near the corner are fixedly connected with guide rods through brackets, and the outer walls of the guide rods are respectively engaged with the inner walls of the through holes on the top surface of the center plate.

[0013] Preferably, a first clearance groove is formed on the top surface of the lower die seat, and a second clearance groove is formed symmetrically on the top surface of the upper die seat.

[0014] Beneficial effects of the utility model:

[0015] In the utility model, the lower die base is installed on the center plate through a vertical support plate, the stamping components are respectively installed on the upper and lower sides of the center plate, and the two upper and lower cores are respectively fixed on the first core groove and the second core groove. Under the linkage action of the hollow gear and the rack, the two stamping base plates can perform synchronous reverse stamping movements to achieve mutual extrusion between the second core groove and the first core groove, thereby achieving synchronous stamping of double-layer materials of automotive parts, and one of the stamping base plates is fixed to the upper die base under the action of the L-shaped lifting frame, which enables the conventional stamping machine to achieve the stamping production work of the double-layer material mold by the stamping work of the upper die base, thereby increasing the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the lower die base in the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the upper die seat in the utility model;

[0020] Figure 4 It is a three-dimensional diagram of the center plate in the utility model;

[0021] Figure 5 It is a three-dimensional diagram of the rack linkage in the utility model;

[0022] Legend:

[0023] 1. Lower die base; 2. Upper die base; 11. Vertical support plate; 3. Center plate; 31. First core groove; 32. Clearance opening; 33. Center shaft; 34. Circular ring groove; 4. Hollow gear; 5. Stamping assembly; 51. Stamping bottom plate; 52. Rack; 53. Second core groove; 35. Limiting protrusion; 54. Bar slot; 55. L-shaped hanging frame; 36. Guide rod; 12. First clearing groove; 21. Second clearing groove. DETAILED DESCRIPTION

[0024] 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 of 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.

[0025] Specific examples are given below.

[0026] See also Figure 1-Figure 5 The utility model provides a double-layer material stamping die for automobile parts, including a lower die base 1 and an upper die base 2, the lower die base 1 and the upper die base 2 cooperate with each other through guide pillars and guide sleeves, vertical support plates 11 are fixedly connected at the centers of both sides of the top surface of the lower die base 1, a middle plate 3 is fixedly connected between the adjacent side walls of the two vertical support plates 11, a first core groove 31 is opened at the centers of the top and bottom surfaces of the middle plate 3, a clearance opening 32 is opened at the top surface of the middle plate 3 near the two end edges, a middle shaft rod 33 is fixedly connected inside the clearance opening 32, a circular ring groove 34 is opened at the center of the outer wall of the middle shaft rod 33, and the circular ring groove 34 is opened at the center of the outer wall of the middle shaft rod 33. A hollow gear 4 is clamped between the inner walls of the groove 34, and a stamping assembly 5 is arranged above and below the middle plate 3. The two stamping assemblies 5 are rotationally symmetrical along the axis of the middle shaft 33. The middle plate 3 is installed by the lower die seat 1 with the cooperation of the vertical support plate 11, and the mold core is installed through the first core groove 31, and the opening 32 is opened to install the middle shaft 33. The middle shaft 33 is installed on the hollow gear 4 through the annular groove 34, and the linkage of the stamping assemblies 5 at the upper and lower positions is realized through the hollow gear 4, so that the two stamping assemblies 5 can perform synchronous and reverse stamping movements;

[0027] like Figure 1 and Figure 3 As shown, the stamping assembly 5 includes a stamping bottom plate 51, and racks 52 are vertically fixed on both sides of the top surface of the stamping bottom plate 51 near the center. The two racks 52 are rotationally symmetrical along the center line of the top surface of the stamping bottom plate 51, and the two racks 52 are respectively meshed with two hollow gears 4. The stamping bottom plate 51 is meshed with the hollow gear 4 through the racks 52;

[0028] like Figure 5 As shown, the centers of the opposite surfaces of the two stamping bottom plates 51 are provided with second core grooves 53, and the stamping bottom plates 51 are used to install the mold core through the second core grooves 53;

[0029] like Figure 4 and Figure 5 As shown, the side wall of the clearance opening 32 is symmetrically fixed with the limiting protrusion 35, and the rear wall of the rack 52 is provided with a strip-shaped slot 54, and the inner wall of the strip-shaped slot 54 is engaged with the outer wall of the limiting protrusion 35. The clearance opening 32 is engaged with the limiting protrusion 35 and the strip-shaped slot 54 on the rack 52 to increase the linkage stability between the stamping assembly 5 and the middle plate 3;

[0030] like Figure 1 and Figure 5As shown, an L-shaped hanging frame 55 is symmetrically fixed to the top surface of one of the stamping bottom plates 51, and the L-shaped hanging frame 55 is fixed to the bottom surface of the upper die seat 2 by bolts. Under the hanging of the L-shaped hanging frame 55, the upper die seat 2 is hung and fixed to one of the stamping bottom plates 51, and the two stamping assemblies 5 are synchronously and reversely extruded to the center plate 3 by following the up and down movement of the upper die seat 2. After the cores are respectively installed in the first core groove 31 and the second core groove 53, the double-layer material stamping parts are synchronously and reversely stamped and formed;

[0031] like Figure 4 As shown, the bottom surface of the middle plate 3 and the bottom surface near the corner are fixed with guide rods 36 through brackets, and the outer walls of the guide rods 36 are respectively engaged with the inner walls of the through holes on the top surface of the middle plate 3, so that the stability of the two stamping bottom plates 51 in the process of synchronous reverse movement is increased by the guide rods 36;

[0032] like Figure 2 and Figure 3 As shown, the top surface of the lower die base 1 is provided with a first clearance groove 12, and the top surface of the upper die base 2 is symmetrically provided with a second clearance groove 21. The first clearance groove 12 and the second clearance groove 21 are provided so that when the lower die base 1 and the upper die base 2 are close to each other within a certain range, the guide rod 36 will not interfere with them.

[0033] Working principle: The middle plate 3 is installed by the lower die seat 1 with the cooperation of the vertical support plate 11, and the mold core is installed through the first core groove 31, and the opening 32 is opened to install the middle shaft 33, and the middle shaft 33 is installed on the hollow gear 4 through the annular groove 34, and the linkage of the upper and lower stamping assemblies 5 is realized through the hollow gear 4, so that the two stamping assemblies 5 can perform synchronous and reverse stamping movements, and the stamping bottom plate 51 is meshed with the hollow gear 4 through the rack 52, and the stamping bottom plate 51 is installed on the mold core through the second core groove 53, and the opening 32 is meshed with the upper rack 52 through the limiting protrusion 35. The L-shaped card grooves 54 are engaged with each other to increase the linkage stability between the stamping assembly 5 and the center plate 3. The upper die base 2 is hoisted and fixed to one of the stamping base plates 51 under the hoisting of the L-shaped hoisting frame 55, and the two stamping assemblies 5 are synchronously and reversely extruded to the center plate 3 by following the up and down movement of the upper die base 2. After the cores are respectively installed in the first core groove 31 and the second core groove 53, the synchronous reverse stamping forming of the double-layer material stamping parts is realized. The opening of the first make way groove 12 and the second make way groove 21 ensures that the guide rod 36 will not interfere with the lower die base 1 and the upper die base 2 when they are close to each other within a certain range.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A double-layer stamping die for automobile parts, characterized in that: The invention comprises a lower die base (1) and an upper die base (2), wherein the lower die base (1) and the upper die base (2) cooperate with each other through a guide column and a guide sleeve, vertical support plates (11) are fixedly connected at the centers of both sides of the top surface of the lower die base (1), a middle plate (3) is fixedly connected between adjacent side walls of the two vertical support plates (11), a first core groove (31) is opened at the centers of the top and bottom surfaces of the middle plate (3), and the top surface of the middle plate (3) is close to the two ends. A clearance opening (32) is provided at the edge, a central shaft (33) is fixedly connected inside the clearance opening (32), a circular groove (34) is provided at the center of the outer wall of the central shaft (33), a hollow gear (4) is clamped between the inner walls of the circular groove (34), and stamping assemblies (5) are provided above and below the central plate (3), and the two stamping assemblies (5) are rotationally symmetrical along the axis of the central shaft (33).

2. The double-layer stamping die for automobile parts according to claim 1, characterized in that: The stamping assembly (5) comprises a stamping base plate (51), and racks (52) are vertically fixedly connected to both sides of the top surface of the stamping base plate (51) near the center, and the two racks (52) are rotationally symmetrical along the center line of the top surface of the stamping base plate (51), and the two racks (52) are respectively meshed with two hollow gears (4).

3. The double-layer stamping die for automobile parts according to claim 2, characterized in that: A second core groove (53) is provided at the center of the opposite surfaces of the two stamping bottom plates (51).

4. The double-layer stamping die for automobile parts according to claim 3, characterized in that: The side walls of the clearance opening (32) are symmetrically fixed to the limiting protrusion (35), and the rear wall of the rack (52) is provided with a strip-shaped slot (54), and the inner wall of the strip-shaped slot (54) is mutually engaged with the outer wall of the limiting protrusion (35).

5. The double-layer stamping die for automobile parts according to claim 4, characterized in that: An L-shaped hanging frame (55) is symmetrically fixedly connected to the top surface of one of the stamping bottom plates (51), and the L-shaped hanging frame (55) is fixedly connected to the bottom surface of the upper die seat (2) via bolts.

6. The double-layer stamping die for automobile parts according to claim 1, characterized in that: The bottom surface of the middle plate (3) and the bottom surface near the corner are fixedly connected to guide rods (36) through brackets, and the outer walls of the guide rods (36) are respectively engaged with the inner walls of the through holes on the top surface of the middle plate (3).

7. The double-layer stamping die for automobile parts according to claim 1, characterized in that: The top surface of the lower die seat (1) is provided with a first clearance groove (12), and the top surface of the upper die seat (2) is symmetrically provided with a second clearance groove (21).

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