A high-precision stamping bearing die

Abstract

The utility model relates to the technical field of stamping bearing molds, and discloses a stamping bearing mold with high precision, including a stamping component and a buffer component, wherein the stamping component includes a workbench, the upper end of the workbench is fixedly connected to a column, the upper end of the column is fixedly connected to an upper base, the upper end of the upper base is fixedly connected to a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected to a lower pressure plate, the lower end of the lower pressure plate is fixedly connected to a template, and a lower template is arranged on the workbench, the buffer component includes a support plate, the lower template is fixedly connected to the support plate, a spring A is arranged at the lower end of the support plate, the lower end of the spring A is fixedly connected to a bottom plate, a connecting column is arranged on the bottom plate, a spring B is sleeved on the outer surface of the connecting column, both ends of the spring B are fixedly connected to a sleeve ring, the upper end of the sleeve ring is movably connected to a connecting rod, and by arranging the buffer component, the pressure received by the support plate is transmitted to the spring A for pressure relief, transmitted to the sleeve ring through the connecting rod, and applied to the spring B for pressure relief through the sleeve ring.

Description

Technical Field

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

[0002] Stamping dies are special process equipment used to process materials (metal or non-metal) into parts (or semi-finished products) during cold stamping. They are called cold stamping dies (commonly known as cold stamping dies). 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 it, thereby obtaining the desired parts.

[0003] Chinese patent document CN214349072U discloses a high-precision bearing stamping die, including a base, a fixed block is fixedly arranged in the middle above the base, guide columns are fixedly arranged at the four corners above the base, a placement plate is sleeved on the guide column, a shock-absorbing spring is sleeved on the guide column between the placement plate and the base, clamping structures are symmetrically arranged on both sides above the placement plate, a stamping block is arranged above the clamping structure, guide column holes are arranged at the four corners of the stamping block, a stamping groove is embedded in the middle of the stamping block, a stripping plate is arranged in the stamping groove, both sides of the stripping plate are fixedly connected to the outer wall of the frame through a connecting rod, the stamping block is fixedly connected to the driving rod above, a driving device is arranged on the upper end of the driving rod, and the driving device is arranged in the frame. The utility model can accurately position the stamping process and facilitate stripping, but although the bearing stamping is designed with a buffer structure, it is only buffered by a single spring, and no corresponding unloading device is designed. The rebound force generated when the vibration amplitude is too large will cause secondary damage to the mold. Utility Model Content

[0004] The purpose of the utility model is to solve the problems of accurate positioning and easy material removal in the existing stamping process. Although a buffer structure is designed for the bearing stamping, it is only buffered by a single spring, and no corresponding force unloading device is designed. The rebound force generated when the vibration amplitude is too large will cause secondary damage to the mold. A high-precision stamping bearing mold is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a stamping bearing mold with high precision, including a stamping assembly, and the stamping assembly is provided with a buffer assembly, the stamping assembly includes a workbench, the upper end of the workbench is fixedly connected to a column, the upper end of the column is fixedly connected to an upper base, the upper end of the upper base is fixedly connected to a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected to a lower pressure plate, the lower end of the lower pressure plate is fixedly connected to a template, the inner surface of the lower pressure plate is movably connected to a guide column, the lower end of the guide column is fixedly connected to a fixed frame, and a lower template is arranged in the fixed frame, the buffer assembly includes a support plate, the outer surface of the support plate is movably connected to the inner side of the fixed frame, the lower template is fixedly connected to the support plate, a spring A is arranged at the lower end of the support plate, the lower end of the spring A is fixedly connected to a bottom plate, the lower end of the bottom plate is movably connected to the workbench, a connecting column is arranged on the bottom plate, and a spring B is sleeved on the outer surface of the connecting column, both ends of the spring B are fixedly connected to a ring, the ring is sleeved on the connecting column, the upper end of the ring is movably connected to a connecting rod, and one end of the connecting rod is movably connected to the support plate.

[0006] Preferably, the lower end of the workbench is fixedly connected with a supporting leg, four groups of supporting legs are provided, and the lower ends of the supporting legs are fixedly connected with a gasket;

[0007] It is used to increase the overall ground contact area of ​​the stamping bearing die and increase the overall stability of the device.

[0008] Preferably, a groove is provided on the fixing frame, the groove corresponds to the lower template, and a template is provided directly above the lower template;

[0009] The hand used for punching fixes the position of the punched part through the groove so that the punched part is located directly under the template.

[0010] Preferably, the lower end of the support plate is fixedly connected with a guide telescopic column, the lower end of the guide telescopic column is fixedly connected to the bottom plate, and four groups of guide telescopic columns are provided;

[0011] It is used to fix the movement direction of spring A to prevent spring A from deforming when the pressure of the buffer support plate is applied.

[0012] Preferably, four groups of springs A23 are provided, and are respectively sleeved on the outer surface of the guide telescopic column 221;

[0013] Used to increase the overall buffering performance of the buffer device.

[0014] Preferably, the connecting columns are provided in two groups and are symmetrically mounted on the bottom plate;

[0015] Used to increase the overall shock absorption of the stamping device.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model proposes a high-precision stamping bearing die. By setting a buffer component, part of the pressure on the support plate is directly transmitted to the spring A for pressure relief, and most of it is transmitted to the ring through the connecting rod, and finally applied to the spring B through the ring for pressure relief.

[0018] 2. The utility model proposes a high-precision stamping bearing mold, which increases the overall ground contact area of ​​the stamping device and the overall stability of the stamping device by setting a stamping component and arranging a gasket on the support leg. At the same time, a guide column is arranged to prevent a slight deviation from occurring during the movement of the lower pressure plate, thereby affecting the final stamping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a high-precision stamping bearing die proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the overall structure of a stamping assembly of a high-precision stamping bearing die proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the overall structure of a lower pressing plate and a template of a high-precision stamping bearing die proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the overall structure of a buffer assembly of a high-precision stamping bearing die proposed by the utility model;

[0023] Figure 5 This is an exploded schematic diagram of a buffer component of a high-precision stamping bearing die proposed by the utility model;

[0024] Legend:

[0025] 1. Stamping assembly; 11. Workbench; 12. Leg; 121. Gasket; 13. Column; 14. Upper base; 15. Hydraulic cylinder; 16. Lower pressure plate; 17. Template; 18. Guide column; 19. Fixed frame; 191. Groove; 2. Buffer assembly; 21. Lower template; 22. Support plate; 221. Guide telescopic column; 23. Spring A; 24. Bottom plate; 25. Connecting column; 26. Spring B; 27. Ring; 28. Connecting rod. DETAILED DESCRIPTION

[0026] 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.

[0027] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does 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 cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Reference Figure 1-5 The utility model provides an embodiment: a high-precision stamping bearing mold, including a stamping component 1, and a buffer component 2 movably connected to the upper end of the stamping component 1, the stamping component 1 includes a workbench 11, the upper end of the workbench 11 is fixedly connected to a column 13, the upper end of the column 13 is fixedly connected to an upper base 14, the upper end of the upper base 14 is fixedly connected to a hydraulic cylinder 15 to provide power for stamping, the output end of the hydraulic cylinder 15 is fixedly connected to a lower pressing plate 16, the lower end of the lower pressing plate 16 is fixedly connected to a template 17, the inner surface of the lower pressing plate 16 is movably connected to a guide column 18 to determine the movement range of the lower pressing plate 16 to prevent deviation when moving downward, and the lower end of the guide column 18 is fixed A fixed frame 19 is connected, a lower template 21 is arranged inside the fixed frame 19, the buffer assembly 2 includes a support plate 22, the outer surface of the support plate 22 is movably connected to the inner side of the fixed frame 19, the lower template 21 is fixedly connected to the support plate 22, a spring A23 is arranged at the lower end of the support plate 22, a bottom plate 24 is fixedly connected to the lower end of the spring A23, the lower end of the bottom plate 24 is movably connected to the workbench 11, a connecting column 25 is arranged on the bottom plate 24, a spring B26 is sleeved on the outer surface of the connecting column 25, both ends of the spring B26 are fixedly connected to a ring 27, the ring 27 is sleeved on the connecting column 25, the upper end of the ring 27 is movably connected to a connecting rod 28, and one end of the connecting rod 28 is movably connected to the support plate 22.

[0029] The lower end of the workbench 11 is fixedly connected to a support leg 12, and four groups of support legs 12 are provided. A gasket 121 is fixedly connected to the lower end of the support leg 12 to increase the ground contact area of ​​the entire stamping device and thus increase stability. A groove 191 is provided on the fixed frame 19, and the groove 191 corresponds to the lower template 21. A guide telescopic column 221 is fixedly connected to the lower end of the support plate 22, and the lower end of the guide telescopic column 221 is fixedly connected to the bottom plate 24. Four groups of guide telescopic columns 221 are provided, and the outer surface of the guide telescopic column 221 is sleeved with a spring A23 for fixing the range of motion of the spring A23 to prevent it from being displaced and deformed when subjected to the pressure of the support plate 22. Four groups of springs A23 are provided, and are respectively sleeved on the outer surface of the guide telescopic columns 221. Two groups of connecting columns 25 are provided, and are symmetrically installed on the bottom plate 24 to increase the overall shock absorption of the stamping device.

[0030] Working principle: first, place the bearing parts to be stamped on the lower template 21, and then start the hydraulic cylinder 15 to apply downward pressure to the template 17. At the same time, the guide column 18 fixes the movement range of the lower pressure plate 16 to prevent deviation during movement. When the template 17 passes through the groove 191 and contacts the bearing stamping parts for stamping, part of the pressure is transferred to the spring A23 through the support plate 22 for pressure relief. At the same time, most of the pressure is transferred to the ring 27 through the connecting rod 28, and then the spring B26 is squeezed by two sets of rings 27 for pressure relief. After stamping, the hydraulic cylinder 15 drives the template 17 to move upward. Under the action of the spring A23 and the spring B26, the support plate 22 and the lower template 21 are pushed upward, and then the stamped bearing can be removed.

[0031] 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 high-precision stamping bearing die, comprising a stamping component (1) and a buffer component (2), characterized in that: The punching assembly (1) comprises a workbench (11), the upper end of the workbench (11) is fixedly connected to a column (13), the upper end of the column (13) is fixedly connected to an upper base (14), the upper end of the upper base (14) is fixedly connected to a hydraulic cylinder (15), the output end of the hydraulic cylinder (15) is fixedly connected to a lower pressing plate (16), the lower end of the lower pressing plate (16) is fixedly connected to a template (17), the inner surface of the lower pressing plate (16) is movably connected to a guide column (18), the lower end of the guide column (18) is fixedly connected to a fixed frame (19), the fixed frame (19) is arranged on the upper surface of the workbench (11), and a lower template (21) is arranged in the fixed frame (19), and the buffer assembly (2) comprises a support plate (22) The outer surface of the support plate (22) is movably connected to the inner side of the fixed frame (19), the lower template (21) is fixedly connected to the support plate (22), a spring A (23) is arranged at the lower end of the support plate (22), the lower end of the spring A (23) is fixedly connected to the bottom plate (24), the lower end of the bottom plate (24) is movably connected to the workbench (11), a connecting column (25) is arranged on the bottom plate (24), the outer surface of the connecting column (25) is sleeved with a spring B (26), both ends of the spring B (26) are fixedly connected to a sleeve ring (27), the sleeve ring (27) is sleeved on the connecting column (25), the upper end of the sleeve ring (27) is movably connected to a connecting rod (28), and one end of the connecting rod (28) is movably connected to the support plate (22).

2. A high-precision stamping bearing die according to claim 1, characterized in that: The lower end of the workbench (11) is fixedly connected to a support leg (12), four groups of the support legs (12) are provided, and the lower end of the support leg (12) is fixedly connected to a gasket (121).

3. The high-precision stamping bearing die according to claim 1, characterized in that: The fixing frame (19) is provided with a groove (191), and the groove (191) corresponds to the lower template (21).

4. The high-precision stamping bearing die according to claim 1, characterized in that: The lower end of the support plate (22) is fixedly connected to a guide telescopic column (221), the lower end of the guide telescopic column (221) is fixedly connected to the bottom plate (24), and four groups of guide telescopic columns (221) are provided.

5. The high-precision stamping bearing die according to claim 1, characterized in that: The springs A (23) are provided in four groups and are respectively sleeved on the outer surface of the guide telescopic column (221).

6. The high-precision stamping bearing die according to claim 1, characterized in that: The connecting columns (25) are provided in two groups and are symmetrically mounted on the bottom plate (24).

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