Taper hole stamping device

Abstract

The utility model relates to a taper hole stamping device which comprises an installation frame, a plurality of fixing plates and a base are fixedly connected to the bottom face of the inner wall of the installation frame, protrusions are integrally formed on the side face of the base, the base is rotationally connected among the fixing plates through the protrusions, and a plurality of workpiece grooves and a stamping assembly are formed in the outer side of the base. Comprising a hydraulic cylinder, a connecting plate and a punching head, the hydraulic cylinder is installed on the surface of an installation frame, the output end of the hydraulic cylinder protrudes to the inner side of the installation frame, the connecting plate is fixedly connected to the output end of the hydraulic cylinder, and the punching head is fixedly connected to the surface of the connecting plate. A plurality of fixing plates are arranged on the hydraulic cylinder, a base with a plurality of workpiece grooves is arranged among the fixing plates, so that a worker can place a next to-be-stamped piston pin when stamping a previous piston pin by using the hydraulic cylinder, and meanwhile, the piston pin can slide off under the action of weight by rotating the base. And the punching efficiency of batch piston pins is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of piston pin taper hole stamping, in particular to a taper hole stamping device. Background Technique

[0002] A piston pin is a small part used to connect a piston and a connecting rod. Its main function is to transmit the movement of the piston to the connecting rod and the movement of the connecting rod to the crankshaft, so as to realize the working cycle of the engine. It is usually made of materials such as steel or alloy steel, which have high strength and wear resistance and can withstand the high-temperature, high-pressure, and high-speed working environment of the engine.

[0003] During the processing of piston pins, it is necessary to perform taper hole stamping on the piston pins, so a taper hole stamping device is required. During the stamping process, the original piston pin to be stamped needs to be placed on the processing base, and the hydraulic cylinder is started to drive the stamping head to move, and the stamping head is used to perform stamping processing on the original piston pin. After the piston pin stamping is completed, it is taken out of the processing base. Through the cycle of the above operations, the stamping processing of multiple piston pins is realized. However, during the stamping process, it is always necessary to wait for the previous piston pin stamping to be completed and taken out before the feeding operation of the next piston pin to be stamped can be realized, and then the subsequent stamping processing is carried out. As a result, the feeding efficiency of the piston pins to be stamped is low, which affects the stamping efficiency of batch piston pins and has poor practicability. Summary of the Utility Model

[0004] Based on the above description, the utility model provides a taper hole stamping device to solve the problem that the stamping efficiency is affected due to the inconvenient high-efficiency feeding of the piston pins to be stamped on the traditional stamping device.

[0005] The technical solution of the utility model to solve the above technical problems is as follows: A taper hole stamping device, including a mounting frame, the bottom surface of the inner wall of the mounting frame is fixedly connected with a plurality of fixing plates, a base, a protrusion is integrally formed on the side surface of the base, and the base is rotationally connected between the plurality of fixing plates through the protrusion. A plurality of workpiece grooves are opened on the outer side of the base, a stamping assembly, including a hydraulic cylinder, a connecting plate and a stamping head, the hydraulic cylinder is installed on the surface of the mounting frame, the output end of the hydraulic cylinder protrudes to the inner side of the mounting frame, the connecting plate is fixedly connected to the output end of the hydraulic cylinder, and the stamping head is fixedly connected to the surface of the connecting plate.

[0006] On the basis of the above technical solution, the utility model can also be improved as follows.

[0007] Furthermore, a plurality of first openings are formed through the surface of the connecting plate. A buffer assembly is arranged between the plurality of first openings. The buffer assembly includes a plurality of limiting rods, a bottom plate and a plurality of springs. The plurality of limiting rods are movably inserted into the first openings. One end of each limiting rod is fixedly connected to a baffle. The bottom plate is fixedly connected between the ends of the plurality of limiting rods away from the baffles. A through opening is formed through the surface of the bottom plate.

[0008] Furthermore, the bottom plate is located directly below the connecting plate. A plurality of limiting grooves are formed on the opposite surfaces of the bottom plate and the connecting plate. The end faces of the plurality of springs are respectively located in the plurality of limiting grooves.

[0009] Furthermore, a plurality of concave grooves are formed at equal intervals along the circumference on the side surface of the base. A convex plate is integrally formed on the surface of the fixing plate away from the mounting frame. A second opening is formed through the side surfaces of the convex plate. A spring telescopic rod is mounted on the side surface of the convex plate.

[0010] Furthermore, a connecting rod is provided at the end of the protrusion away from the base. A plurality of support rods are arranged at equal intervals along the circumference on the outer side of the connecting rod. A metal ring is arranged in a circle between the ends of the plurality of support rods away from the connecting rod.

[0011] Furthermore, the output end of the spring telescopic rod protrudes into the concave groove. The output end of the spring telescopic rod is designed in a semi-circular structure. The shape of the concave groove is adapted to the output end of the spring telescopic rod.

[0012] Furthermore, the fixing plate is designed with a kind of alloy steel material.

[0013] Furthermore, the plurality of metal rings are respectively located on the sides of the plurality of fixing plates away from each other. A space is left between the plurality of metal rings and the plurality of fixing plates respectively.

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

[0015] By providing the mounting frame and the fixing plate, and arranging a base with a plurality of workpiece grooves between the plurality of fixing plates, when the staff uses the hydraulic cylinder to punch the previous piston pin, the placement of the next piston pin to be punched can be realized, and there is no need to take the piston pin after punching. By rotating the base, the piston pin can automatically slide down under the action of gravity, thereby effectively improving the punching efficiency of a batch of piston pins. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0017] Figure 2Schematic front view structure of the present utility model;

[0018] Figure 3 Schematic connection structure between the stamping component and the buffer component of the present utility model;

[0019] Figure 4 Schematic three-dimensional structure of the stamping component of the present utility model;

[0020] Figure 5 Schematic three-dimensional structure of the base of the present utility model;

[0021] Figure 6 Schematic connection structure between the spring telescopic rod and the convex plate of the present utility model.

[0022] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0023] 1. Mounting frame; 11. Fixed plate; 2. Base; 21. Protrusion; 22. Workpiece groove; 23. Concave groove; 3. Stamping component; 31. Hydraulic cylinder; 32. Connecting plate; 321. First opening; 33. Stamping head; 4. Buffer component; 41. Limiting rod; 411. Baffle; 42. Bottom plate; 421. Through hole; 43. Spring; 5. Connecting rod; 51. Support rod; 52. Metal ring; 6. Convex plate; 61. Second opening; 7. Spring telescopic rod; 8. Limiting groove. Detailed implementation manners

[0024] For the convenience of understanding the present application, the present application will be described more comprehensively below with reference to the relevant attached drawings. Embodiments of the present application are shown in the attached drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present application belongs. The terms used in the specification of the present application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application.

[0026] This embodiment provides a taper hole stamping device, which is more conducive to the staff to realize the loading and unloading operation of the piston pin during use. Specifically, as Figures 1-6As shown in the figure, it includes a mounting bracket 1, a base 2 and a stamping assembly 3. On the bottom surface of the inner wall of the mounting bracket 1, two fixing plates 11 are fixedly connected. The fixing plates 11 are designed with a kind of alloy steel material, making the fixing plates 11 have stronger compressive capacity and preventing easy deformation. There is a space between the two fixing plates 11. The base 2 is designed with a cylindrical structure. At the central positions on the left and right sides of the base 2, there are integrally formed cylindrical protrusions 21. The base 2 is rotatably connected between the two fixing plates 11 through the protrusions 21. A plurality of workpiece grooves 22 for restricting the placement of piston pins are opened at equal intervals along the circumference on the outer side of the base 2. The length of the workpiece grooves 22 is less than the overall length of the piston pins to be stamped. The stamping assembly 3 includes a hydraulic cylinder 31, a connecting plate 32 and a stamping head 33. The hydraulic cylinder 31 is installed on the surface of the mounting bracket 1. The hydraulic cylinder 31 is a kind of HSG welded oil cylinder. The output end of the hydraulic cylinder 31 protrudes to the inner side of the mounting bracket 1. The output end of the hydraulic cylinder 31 is movably connected with the mounting bracket 1. The connecting plate 32 is fixedly connected to the output end of the hydraulic cylinder 31. The stamping head 33 is fixedly connected to the central position on the bottom surface of the connecting plate 32. So that the staff can insert the piston pins to be stamped into the workpiece grooves 22 and rotate the base 2, making the piston pins located directly below the stamping head 33. During the process of using the stamping assembly 3 to stamp the piston pins, another piston pin to be stamped can be inserted into the next workpiece groove 22, and the stamped piston pins fall downward as the base 2 rotates, realizing blanking. Thus, the loading and unloading operations of the staff during the stamping process of the piston pins are more convenient and rapid, effectively improving the stamping efficiency of batch piston pins.

[0027] As Figures 1-4 shown, in this embodiment, on the top surface of the connecting plate 32 and respectively near the positions on the left and right sides, there are through openings 321. A buffer assembly 4 is arranged between the two openings 321. The buffer assembly 4 includes two limit rods 41, a bottom plate 42 and two springs 43. The two limit rods 41 are vertically and movably inserted into the openings 321. At the top ends of the limit rods 41, there are fixedly connected baffles 411. The bottom surface of the baffle 411 is in contact with the top surface of the connecting plate 32. The bottom plate 42 is fixedly connected between the ends of the two limit rods 41 far away from the baffles 411. A through opening 421 is formed through the surface of the bottom plate 42. The through opening 421 is located directly below the stamping head 33. The bottom plate 42 is located directly below the connecting plate 32. Limiting grooves 8 are opened on the opposite surfaces of the bottom plate 42 and the connecting plate 32. The end faces of the two springs 43 are respectively located in a plurality of limiting grooves 8. So that during the starting and running process of the hydraulic cylinder 31, it can drive the connecting plate 32 and the stamping head 33 to move, making the bottom plate 42 first contact the surface of the piston pin, and the springs 43 are compressed and contracted. Thus, when the stamping head 33 contacts the end face of the piston pin through the through opening 421, a buffering effect is achieved.

[0028] As Figure 1, Figure 2 , Figure 5 and Figure 6 As shown in Figure 2 , Figure 5 , and Figure 6 , in this embodiment, a plurality of recessed grooves 23 are equidistantly arranged in a ring shape at positions near the edges on the left and right sides of the base 2. The plurality of recessed grooves 23 are respectively in the same plane as the plurality of workpiece grooves 22. A convex plate 6 is integrally formed on the surface of the fixing plate 11 away from the mounting bracket 1. An opening two 61 is penetrated between the side surfaces of the convex plate 6. A spring telescopic rod 7 is installed on the side surface of the convex plate 6. The output end of the spring telescopic rod 7 protrudes into the recessed groove 23 opened in the base 2 through the opening two 61. The output end of the spring telescopic rod 7 is designed with a semi-circular structure. The shape of the recessed groove 23 is adapted to the shape of the output end of the spring telescopic rod 7. The surfaces of the base 2 and the output end of the spring telescopic rod 7 are both set as smooth surfaces, so that the base 2 can effectively utilize the cooperation of the spring telescopic rod 7 and the recessed groove 23 to achieve a limiting effect during the rotation process, thereby ensuring that the workpiece groove 22 is always located directly below the punching head 33 after the base 2 rotates, facilitating the precise punching process of the piston pin.

[0029] As Figure 1 , Figure 2 and Figure 5 As shown in Figure 1 , Figure 2 , and Figure 5 , in this embodiment, a connecting rod 5 is provided at one end of the protrusion 21 away from the base 2. A plurality of support rods 51 are arranged equidistantly in a ring shape on the outer side of the connecting rod 5. A metal ring 52 is arranged in a ring shape between the ends of the plurality of support rods 51 away from the connecting rod 5. Anti-slip lines are engraved on the surface of the metal ring 52. The two metal rings 52 are respectively located on the sides of the two fixing plates 11 away from each other. Spaces are left between the two metal rings 52 and the two fixing plates 11 respectively, so that when the staff needs to rotate the base 2, the metal ring 52 can be grasped for rotation and pressing operations, making the operation and treatment of the base 2 more convenient.

[0030] During the use of the above conical hole stamping device, the staff can first insert the piston pin to be stamped into the workpiece groove 22 near the front and upper part of the base 2. A part of the surface of the piston pin protrudes outside the base 2. Then, hold the metal ring 52 and use the support rod 51 and the connecting rod 5 to drive the base 2 to rotate upward between the two fixing plates 11, so that the piston pin to be stamped is located directly below the stamping head 33 and the through hole 421. Subsequently, start the hydraulic cylinder 31 and use the hydraulic cylinder 31 to drive the stamping assembly 3 to move downward. During the movement, the bottom surface of the bottom plate 42 first contacts the protruding surface of the piston pin, and the spring 43 is compressed and contracted. The stamping head 33 contacts the surface of the piston pin through the through hole 421, thereby realizing the stamping operation on the piston pin. During the stamping process, the staff can insert the next piston pin to be stamped into the next workpiece groove 22. After the stamping process of the previous piston pin is completed, the hydraulic cylinder 31 drives the stamping assembly 3 to reset, and then use the metal ring 52 again to realize the rotation operation of the base 2, so that the next piston pin to be stamped moves directly below the stamping head 33, and repeat the above operation, so that the piston pin rotates with the base 2 and slides downward under its own weight. Before the piston pin slides down, the staff can place the external material receiving tool between the mounting frames 1 of the two fixing plates 11, thereby realizing the collection operation of the stamped piston pin.

[0031] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A conical hole stamping device, comprising a mounting frame (1), characterized in that, The bottom surface of the inner wall of the mounting frame (1) is fixedly connected with a plurality of fixing plates (11); A base (2), a protrusion (21) is integrally formed on the side surface of the base (2), and the base (2) is rotatably connected between a plurality of fixing plates (11) through the protrusion (21), and a plurality of workpiece grooves (22) are formed on the outer side of the base (2); A stamping assembly (3), including a hydraulic cylinder (31), a connecting plate (32) and a stamping head (33), the hydraulic cylinder (31) is installed on the surface of the mounting frame (1), the output end of the hydraulic cylinder (31) protrudes to the inner side of the mounting frame (1), the connecting plate (32) is fixedly connected to the output end of the hydraulic cylinder (31), and the stamping head (33) is fixedly connected to the surface of the connecting plate (32).

2. The conical hole stamping device according to claim 1, characterized in that, A plurality of openings one (321) are formed through the surface of the connecting plate (32), and a buffer assembly (4) is arranged between the plurality of openings one (321). The buffer assembly (4) includes a plurality of limiting rods (41), a bottom plate (42) and a plurality of springs (43). The plurality of limiting rods (41) are movably inserted into the openings one (321), one end of the limiting rod (41) is fixedly connected with a baffle (411), the bottom plate (42) is fixedly connected between the ends of the plurality of limiting rods (41) far away from the baffle (411), and a through hole (421) is formed through the surface of the bottom plate (42).

3. The conical hole stamping device according to claim 2, characterized in that, The bottom plate (42) is located directly below the connecting plate (32), and a plurality of limiting grooves (8) are formed on the opposite surfaces of the bottom plate (42) and the connecting plate (32). The end faces of the plurality of springs (43) are respectively located in the plurality of limiting grooves (8).

4. A tapered hole stamping device according to claim 1, characterized in that, A plurality of concave grooves (23) are formed on the side surface of the base (2) at equal intervals along the circumference. A convex plate (6) is integrally formed on the surface of the fixing plate (11) away from the mounting frame (1). An opening two (61) is formed through between the side surfaces of the convex plate (6), and a spring telescopic rod (7) is installed on the side surface of the convex plate (6).

5. A taper hole stamping device according to claim 1, characterized in that, One end of the protrusion (21) away from the base (2) is provided with a connecting rod (5). A plurality of support rods (51) are arranged on the outer side of the connecting rod (5) at equal intervals along the circumference. A metal ring (52) is arranged along the circumference between the ends of the plurality of support rods (51) away from the connecting rod (5).

6. A tapered hole stamping device according to claim 4, wherein, The output end of the spring telescopic rod (7) protrudes into the concave groove (23). The output end of the spring telescopic rod (7) is designed with a semi-circular structure, and the shape of the concave groove (23) is adapted to the output end of the spring telescopic rod (7).

7. A conical hole stamping device according to claim 1, characterized in that, The fixing plate (11) is designed with a kind of alloy steel material.

8. A tapered hole stamping device according to claim 5, characterized in that, The plurality of metal rings (52) are respectively located on one side of the plurality of fixing plates (11) away from each other, and a space is left between the plurality of metal rings (52) and the plurality of fixing plates (11).

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