Special-shaped piston pin surface treatment equipment

Abstract

The utility model relates to the technical field of metal surface machining, and provides special-shaped piston pin surface treatment equipment which comprises a workbench. The notch is formed in the surface of the center of the workbench; the clamping structure is arranged on the surface of the working table, the clamping structure comprises a stepping motor, the stepping motor is fixedly installed on the surface of the working table through a frame body, and a bidirectional lead screw is arranged at the output end of the stepping motor. The stepping motor is started to work, so that the bidirectional screw rod drives the moving seats on the outer surfaces of the symmetrical positions to transversely move left and right along the inner wall of the notch, the limiting block is in contact with a workpiece by means of the positioning piece on the surface of the connecting rod, and the limiting block is driven to adjust the vertical position along the interior of the trapezoidal groove when being matched with the electric push rod to work; and the two electric push rods can work independently or simultaneously, so that workpieces with different specifications and diameters can be positioned.

Description

Technical Field

[0001] This utility model relates to the field of metal surface processing technology, and in particular to a surface treatment device for irregularly shaped piston pins. Background Technology

[0002] In the traditional piston pin processing, the commonly used surface treatment equipment is mostly general-purpose roller type, hanging type or spray type device, which is only suitable for processing workpieces with regular shapes.

[0003] As engine design becomes more complex, more and more irregularly shaped piston pins are being used. Therefore, when machining their surfaces, the complex geometry can cause some machining equipment to become unstable, affecting the machining quality and potentially damaging the workpiece surface. This issue needs to be addressed. Utility Model Content

[0004] The purpose of this invention is to address the problem in the existing technology that, with the increasing complexity of engine design, more and more irregularly shaped piston pins are being used. As a result, when processing their surfaces, the complex geometric shape can easily cause some processing equipment to be unstable in clamping, thus affecting the processing quality and also causing damage to the workpiece surface.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a surface treatment device for irregularly shaped piston pins, comprising: a worktable; a groove formed on the surface of the center of the worktable; and further comprising:

[0006] A clamping structure is disposed on the surface of the worktable, and the clamping structure includes:

[0007] A stepper motor is fixedly mounted on the surface of the workbench via a frame. The output end of the stepper motor is provided with a bidirectional lead screw. The surfaces of the bidirectional lead screw at symmetrical locations are threaded with movable seats. The two movable seats slide laterally and are embedded in the inside of the slot.

[0008] A polishing assembly, disposed on the surface of the worktable, comprises:

[0009] A support frame is fixedly mounted on the surface of the workbench, and a limit groove is formed on the surface of the support frame.

[0010] Preferably, a connecting plate is fixedly provided on the inner wall of the slot near the center, and a placement seat is fixedly provided on the surface of the connecting plate.

[0011] The technical effect of adopting the above-mentioned further solution is that the placement seat is fixed by the connecting plate on the inner wall of the slot.

[0012] Preferably, the clamping structure further includes: two sets of trapezoidal grooves opened on the inner walls of the two movable seats at symmetrical locations; electric push rods are fixedly provided on the surfaces of the two movable seats; and limit blocks are provided at the output ends of the two electric push rods.

[0013] The technical advantage of the above-mentioned further solution is that the trapezoidal groove opened on the inner wall of the moving seat limits the movement of the limiting block, preventing the limiting block at the output end from tilting under force when the electric push rod is working.

[0014] Preferably, the polishing assembly further includes: a drive motor, which is mounted on the outer surface of the support frame via a frame, and a reciprocating lead screw is provided at the output end of the drive motor. A slider is reciprocally mounted on the outer surface of the reciprocating lead screw, and the slider slides left and right and is embedded in the interior of the limiting groove.

[0015] The technical effect of adopting the above-mentioned further solution is that when the drive motor is working, the reciprocating screw drives the slider on the outer surface to reciprocate along the inside of the limiting groove.

[0016] Preferably, the surfaces of the two limiting blocks opposite each other are provided with connecting rods, and one end of the two connecting rods is fixedly provided with a positioning element.

[0017] The technical effect of adopting the above-mentioned further solution is that the positioning component is fixed by the connecting rod on the surface of the limiting block, the lateral distance is increased, and it is convenient to contact the workpiece.

[0018] Preferably, a mounting box is fixedly provided on one side surface of the slider, and a guide rod is fixedly provided on the inner wall of the mounting box at a symmetrical location.

[0019] The technical effect of adopting the above-mentioned further solution is that when the slider moves, it drives the mounting box to reciprocate, completing the reciprocating processing trajectory.

[0020] Preferably, a movable plate is slidably fitted onto the surfaces of the two guide rods, and one side surface of the movable plate is connected to the inner wall of the mounting box by a spring.

[0021] The technical effect of adopting the above-mentioned further solution is that the guide rod provides a limiting function for the moving plate, while the surface-connected spring provides a resetting function.

[0022] Preferably, a polishing motor is fixedly mounted on the other side surface of the movable plate, and a polishing head is mounted on the output end of the polishing motor.

[0023] The technical effect of adopting the above-mentioned further solution is that the polishing motor is fixed by the moving plate, and when the polishing motor is working, the polishing head on the surface contacts the workpiece to complete the polishing and other processing work.

[0024] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0025] 1. In this utility model, when the stepper motor is started, the bidirectional lead screw drives the moving seat on the outer surface of the symmetrical part to move laterally left and right along the inner wall of the groove, so that the limiting block contacts the workpiece with the positioning part on the surface of the connecting rod. At the same time, when the electric push rod works, it drives the limiting block to adjust its position up and down along the inside of the trapezoidal groove. The two electric push rods can work individually or simultaneously, thereby positioning workpieces of different diameters.

[0026] 2. In this utility model, before the drive motor starts working, the two electric push rods are started to work synchronously, which drives the workpiece clamped on the surface of the positioning component to move upward and contact the surface of the polishing head, applying pressure to the polishing motor, so that the moving plate moves along the surface of the connecting rod. At this time, the spring remains taut. When the drive motor starts working, the reciprocating screw drives the slider to move laterally back and forth inside the limiting groove, thereby polishing the workpiece. When the surface of the workpiece is uneven or irregular, the elastic force provided by the spring makes the polishing head fit against the surface of the irregular workpiece, completing the polishing work and improving the applicability of the device. Attached Figure Description

[0027] Figure 1 This utility model provides a top view of a surface treatment device for irregularly shaped piston pins.

[0028] Figure 2 This utility model provides a partially unfolded structural diagram of a surface treatment device for irregularly shaped piston pins;

[0029] Figure 3 This utility model provides a partial cross-sectional structural diagram of a surface treatment device for irregularly shaped piston pins;

[0030] Figure 4 This utility model proposes a surface treatment device for irregularly shaped piston pins. Figure 2 Enlarged structural diagram at point A in the middle.

[0031] Legend:

[0032] 1. Workbench; 101. Groove; 1011. Connecting plate; 1012. Placement seat; 102. Stepper motor; 1021. Bidirectional lead screw; 1022. Moving seat; 1023. Trapezoidal groove; 1024. Electric push rod; 1025. Limit block; 1026. Connecting rod; 1027. Positioning component; 103. Support frame; 1031. Limit groove; 1032. Drive motor; 1033. Reciprocating lead screw; 1034. Slider; 1035. Mounting box; 1036. Guide rod; 1037. Moving plate; 1038. Spring; 104. Polishing motor; 1041. Polishing head. Detailed Implementation

[0033] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0034] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0035] Example 1, such as Figure 1-4 As shown, this utility model provides a surface treatment device for irregularly shaped piston pins, including: a worktable 1, with a slot 101 at the center of its upper surface for accommodating the moving parts of a clamping structure; the clamping structure includes a stepper motor 102 fixedly mounted on the worktable 1, with a bidirectional lead screw 1021 connected to its output end, and two moving seats 1022 respectively threaded onto the two ends of the lead screw and able to slide laterally within the slot 101 to achieve automatic clamping of the workpiece; the polishing assembly includes a support frame 103 with a limiting groove 1031 for guiding the polishing head 1041 to move up and down, thereby completing the surface polishing operation of the workpiece in the clamped state.

[0036] In this embodiment, the stepper motor 102 is started, causing the bidirectional lead screw 1021 to drive the movable seat 1022 on the outer surface of the symmetrical part to move laterally left and right along the inner wall of the slot 101. This allows the limiting block 1025 to contact the workpiece with the positioning part 1027 on the surface of the connecting rod 1026. At the same time, when the electric push rod 1024 works, it drives the limiting block 1025 to adjust its vertical position along the inside of the trapezoidal slot 1023. The two electric push rods 1024 can work individually or simultaneously, thereby positioning workpieces of different diameters.

[0037] In Example 2, a connecting plate 1011 is provided in the central area of ​​the slot 101, on which a placement seat 1012 is fixedly installed for preliminary positioning and support of the workpiece; the clamping structure includes two movable seats 1022, the inner wall of which is provided with a trapezoidal groove 1023, and the limit block 1025 is driven by an electric push rod 1024 to drive the connecting rod 1026 to move, thereby controlling the positioning component 1027 to clamp the workpiece; the polishing assembly includes a reciprocating lead screw 1033 driven by a drive motor 1032, which drives the slider 1034 to slide laterally along the limit groove 1031, and elastic floating polishing is achieved through the guide rod 1036 and the movable plate 1037 structure in the mounting box 1035, and finally the polishing head 1041 is driven by the polishing motor 104 to complete the surface treatment operation.

[0038] In this embodiment, before the drive motor 1032 starts working, the two electric push rods 1024 are started to work synchronously, which drives the workpiece held on the surface of the positioning member 1027 to move upward and contact the surface of the polishing head 1041, applying pressure to the polishing motor 104, so that the moving plate 1037 moves along the surface of the connecting rod 1026. At this time, the spring 1038 remains taut. When the drive motor 1032 starts working, the reciprocating screw 1033 drives the slider 1034 to move laterally back and forth inside the limiting groove 1031, thereby polishing the workpiece. When the surface of the workpiece is uneven or irregular, the polishing head 1041 is attached to the surface of the irregular workpiece by means of the elastic force provided by the spring 1038, completing the polishing work and improving the applicability of the device.

[0039] Working principle: During use, the workpiece is placed on the placement seat 1012 for support. The stepper motor 102 is started, causing the bidirectional lead screw 1021 to drive the symmetrically positioned moving seat 1022 on its outer surface to move laterally left and right along the inner wall of the slot 101. This allows the limiting block 1025 to contact the workpiece via the positioning element 1027 on the surface of the connecting rod 1026. Simultaneously, when the electric push rod 1024 works, it drives the limiting block 1025 to adjust its vertical position along the inside of the trapezoidal slot 1023. The two electric push rods 1024 can work individually or simultaneously, thus positioning workpieces of different diameters. Before the drive motor 1032 starts working, the two push rods are started... The electric push rods 1024 work synchronously, causing the workpiece held on the surface of the positioning member 1027 to move upward and contact the surface of the polishing head 1041. This applies pressure to the polishing motor 104, causing the moving plate 1037 to move along the surface of the connecting rod 1026. At this time, the spring 1038 remains taut. When the drive motor 1032 is started, the reciprocating screw 1033 drives the slider 1034 to move laterally back and forth inside the limiting groove 1031, thereby polishing the workpiece. When the surface of the workpiece is uneven or irregular, the polishing head 1041 is made to fit against the surface of the irregular workpiece by means of the elastic force provided by the spring 1038, thus completing the polishing work and improving the applicability of the device.

[0040] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A surface treatment device for irregularly shaped piston pins, comprising: Workbench (1); A slot (101) is formed on the surface of the center of the worktable (1); characterized in that it further includes: A clamping structure is disposed on the surface of the worktable (1), and the clamping structure includes: A stepper motor (102) is fixedly mounted on the surface of the workbench (1) by a frame. The output end of the stepper motor (102) is provided with a bidirectional lead screw (1021). The surface of the bidirectional lead screw (1021) is threaded with a movable seat (1022) at the symmetrical part. The two movable seats (1022) slide laterally and are embedded in the slot (101). A polishing assembly is disposed on the surface of the worktable (1), and the polishing assembly includes: A support frame (103) is fixedly installed on the surface of the workbench (1), and a limiting groove (1031) is provided on the surface of the support frame (103).

2. The surface treatment equipment for irregularly shaped piston pins according to claim 1, characterized in that: A connecting plate (1011) is fixedly installed on the inner wall near the center of the slot (101), and a placement seat (1012) is fixedly installed on the surface of the connecting plate (1011).

3. The surface treatment equipment for irregularly shaped piston pins according to claim 1, characterized in that: The clamping structure further includes: two sets of trapezoidal grooves (1023) opened on the inner walls of the two movable seats (1022) at symmetrical locations; electric push rods (1024) are fixedly provided on the surfaces of the two movable seats (1022); and limit blocks (1025) are provided at the output ends of the two electric push rods (1024).

4. The surface treatment equipment for irregularly shaped piston pins according to claim 1, characterized in that: The polishing assembly further includes a drive motor (1032), which is mounted on the outer surface of the support frame (103) via a frame. The output end of the drive motor (1032) is provided with a reciprocating lead screw (1033). The outer surface of the reciprocating lead screw (1033) is reciprocally fitted with a slider (1034), which slides left and right and is embedded in the inside of the limiting groove (1031).

5. The surface treatment equipment for irregularly shaped piston pins according to claim 3, characterized in that: A connecting rod (1026) is provided on the surface of the two limiting blocks (1025) opposite to each other, and a positioning member (1027) is fixedly provided at one end of the two connecting rods (1026).

6. The surface treatment equipment for irregularly shaped piston pins according to claim 4, characterized in that: A mounting box (1035) is fixedly provided on one side surface of the slider (1034), and a guide rod (1036) is fixedly provided on the inner wall of the mounting box (1035) at a symmetrical location.

7. The surface treatment equipment for irregularly shaped piston pins according to claim 6, characterized in that: The surfaces of the two guide rods (1036) are slidably fitted with a movable plate (1037), and one side surface of the movable plate (1037) is connected to the inner wall of the mounting box (1035) by a spring (1038).

8. The surface treatment equipment for irregularly shaped piston pins according to claim 7, characterized in that: A polishing motor (104) is fixedly installed on the other side surface of the movable plate (1037), and a polishing head (1041) is installed at the output end of the polishing motor (104).

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