Air conditioner compressor crankshaft machining device
The air conditioning compressor crankshaft machining device with multi-structure collaborative clamping solves the problems of unstable crankshaft clamping and poor versatility, and realizes high-precision and flexible crankshaft machining, improving machining quality and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI HONGTIAN MASCH MFG CO LTD
- Filing Date
- 2025-07-21
- Publication Date
- 2026-05-05
AI Technical Summary
Existing air conditioning compressor crankshaft machining equipment has poor clamping and fixing effects, resulting in crankshaft position displacement, reduced machining accuracy, and poor versatility, making it difficult to adapt to different crankshaft specifications, thus affecting machining efficiency and quality.
The multi-structure collaborative clamping method is adopted, including a first clamping block, a second clamping block, a slide rod, a first fastening nut, a clamping assembly, a rotating rod, a rotating block, a limiting block, etc. The crankshaft is stably clamped by the triangular structure of the fixed seat and the fixed column, and the multi-directional fixation and flexible adjustment are achieved in conjunction with the adjustment of the slide groove and the slide seat.
It improves the stability and precision of crankshaft machining, enhances the versatility of the device, adapts to crankshafts of different specifications, simplifies adjustment operations, and improves machining efficiency and quality.
Smart Images
Figure CN224196399U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of crankshaft machining technology, specifically to a crankshaft machining device for an air conditioning compressor. Background Technology
[0002] In the manufacturing process of air conditioner compressors, the crankshaft is one of the core components, and its machining accuracy directly affects the performance and operational stability of the air conditioner compressor. When machining the crankshaft of an air conditioner compressor, a reliable machining device is required to stably clamp the crankshaft to ensure machining quality.
[0003] However, existing air conditioning compressor crankshaft processing devices still have some drawbacks in actual use: for example, the clamping and fixing effect on different parts of the crankshaft is not good, it is difficult to adapt to the special structure of the crankshaft, and the crankshaft position is prone to shift during processing, resulting in a decrease in processing accuracy; at the same time, the device has poor versatility, low adaptability to crankshafts of different specifications, and the adjustment operation is cumbersome, affecting processing efficiency and processing quality, and failing to meet the needs of efficient and precise processing.
[0004] To address this issue, we designed a crankshaft machining device for air conditioning compressors. Utility Model Content
[0005] The purpose of this invention is to provide an air conditioner compressor crankshaft machining device to solve the problems mentioned in the background art.
[0006] To solve the above-mentioned technical problems, this utility model provides an air conditioner compressor crankshaft processing device, including a fixed table and a crankshaft body. A machining center for processing the crankshaft body is provided on one side of the fixed table. The fixed table includes a mounting base, and a mounting plate is slidably disposed on the top of the mounting base. A first clamping block is fixedly connected to the top of the mounting plate. Two sliding rods are symmetrically fixedly connected to the end of the first clamping block away from the mounting plate. A second clamping block is slidably connected to the two sliding rods. A first fastening nut is provided at the end of each of the two sliding rods away from the first clamping block. The side of the first clamping block and the first fastening nut that are close to each other forms an opening for clamping the front section of the crankshaft body. A clamping assembly for fixing the lower half of the crankshaft body is provided on the top of the fixed table.
[0007] Furthermore, the clamping assembly includes two rotating rods, which are rotatably mounted on the top surface of the mounting base. A rotating block is fixedly connected to the top end of the rotating rod. A movable rod is slidably disposed on the top of the crankshaft body. The movable rod passes longitudinally through the rotating block and is rotatably connected to the rotating block. A limiting block for limiting the crank pin portion of the crankshaft body is fixedly connected to the end of the rotating block away from the rotating rod. A second fastening nut is disposed at the top end of the movable rod.
[0008] Furthermore, the clamping assembly also includes a side plate, which is slidably mounted on the top of the mounting base, and an abutment is fixedly connected to one side of the top of the side plate.
[0009] Furthermore, the top surface of the mounting base is provided with a first sliding groove, and a first sliding block is slidably disposed in the first sliding groove, and the mounting plate is fixedly installed on the top surface of the first sliding block.
[0010] Furthermore, the top surface of the mounting base is symmetrically provided with two second sliding grooves, and a second sliding block is slidably disposed in each of the two second sliding grooves. The two moving rods are respectively fixedly installed on the top surface of the two second sliding blocks.
[0011] Furthermore, a third sliding groove is provided on the top surface of the mounting base, and a third sliding block is slidably disposed in the third sliding groove, with the side plate fixedly installed on the top surface of the third sliding block.
[0012] Furthermore, a fixing seat is fixedly connected to the top surface of the mounting base, and a plurality of fixing posts are provided on the top surface of the fixing seat.
[0013] Furthermore, the number of fixing posts is three, and the three fixing posts form a triangular structure for clamping the main journal portion of the crankshaft body.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] 1. In this utility model, the first clamping block, the second clamping block, the slide rod, and the first fastening nut cooperate to quickly and stably clamp the front section of the crankshaft body. At the same time, the clamping assembly is used to fix the lower half of the crankshaft, including the crank pin and the main journal, in multiple directions, limiting the crankshaft from multiple parts, effectively preventing the crankshaft from shifting during processing and improving processing accuracy.
[0016] 2. In this utility model, the rotating rod, rotating block, limiting block and other structures of the clamping assembly can flexibly adjust the limiting angle and position of the crankshaft crank pin part. The triangular structure formed by the fixed column stably clamps the main journal. The side plate and the abutment joint assist in fixing from the side. The synergistic effect of multiple structures ensures the stability of the crankshaft during processing in all aspects, which helps to improve the processing quality of the air conditioning compressor crankshaft.
[0017] 3. In this utility model, the first slide groove, the second slide groove, and the third slide groove provided on the mounting base, together with the corresponding slide block, allow the mounting plate, the moving rod, the side plate, etc., to be slidably adjusted in position, which can be adapted to air conditioning compressor crankshafts of different specifications, with strong versatility and simple adjustment operation, which can effectively improve the applicability and processing efficiency of the processing device. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the fixed platform part of this utility model;
[0020] Figure 3 This is a schematic diagram of a portion of the fixed platform clamping assembly of this utility model;
[0021] Figure 4 This is a schematic diagram of the top surface of the fixing platform of this utility model;
[0022] Figure 5 This is a schematic diagram of the external three-dimensional structure of the crankshaft of this utility model.
[0023] In the diagram: 1. Fixed platform; 2. Machining center; 3. Crankshaft body; 4. Mounting seat; 5. Mounting plate; 6. First clamping block; 7. Slide rod; 8. Second clamping block; 9. First fastening nut; 10. Rotating rod; 11. Rotating block; 12. Moving rod; 13. Limiting block; 14. Second fastening nut; 15. Side plate; 16. Abutment joint; 17. First slide groove; 18. First slide block; 19. Second slide groove; 20. Second slide block; 21. Third slide groove; 22. Third slide block; 23. Fixed seat; 24. Fixed column. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1 and Figure 2This utility model provides a technical solution: an air conditioner compressor crankshaft processing device, including a fixed table 1 and a crankshaft body 3. A processing center 2 for processing the crankshaft body 3 is provided on one side of the fixed table 1. The fixed table 1 includes a mounting base 4. A mounting plate 5 is slidably provided on the top of the mounting base 4. A first clamping block 6 is fixedly connected to the top of the mounting plate 5. Two sliding rods 7 are symmetrically fixedly connected to the end of the first clamping block 6 away from the mounting plate 5. A second clamping block 8 is slidably connected to the two sliding rods 7. A first fastening nut 9 is provided at the end of each of the two sliding rods 7 away from the first clamping block 6. The side of the first clamping block 6 and the first fastening nut 9 that are close to each other forms an opening for clamping the front section of the crankshaft body 3. A clamping assembly for fixing the lower half of the crankshaft body 3 is provided on the top of the fixed table 1. A fixed seat 23 is fixedly connected to the top surface of the mounting base 4. A plurality of fixed posts 24 are provided on the top surface of the fixed seat 23. The number of fixed posts 24 is three. The three fixed posts 24 form a triangular structure for clamping the main journal part of the crankshaft body 3.
[0026] In practice, the crankshaft body 3 is first placed on the mounting base 4. The main journal of the crankshaft body 3 is initially positioned using the fixing base 23 and the fixing column 24. The three fixing columns 24 form a triangular structure to stably clamp the main journal. Then, the position of the first slide block 18 in the first slide groove 17 is slid to adjust the position of the mounting plate 5 and the first clamping block 6 so that the front section of the crankshaft body 3 is between the first clamping block 6 and the second clamping block 8. The position of the second clamping block 8 on the slide rod 7 is slid to adapt to the size of the front section of the crankshaft. Then, the first fastening nut 9 is tightened to fix the second clamping block 8, thus completing the clamping of the front section of the crankshaft.
[0027] See Figures 3-5 The clamping assembly includes two rotating rods 10, which are rotatably mounted on the top surface of the mounting base 4. A rotating block 11 is fixedly connected to the top of the rotating rod 10. A moving rod 12 is slidably arranged on the top of the crankshaft body 3. The moving rod 12 passes longitudinally through the rotating block 11 and is rotatably connected to the rotating block 11. A limiting block 13 for limiting the crank pin portion of the crankshaft body 3 is fixedly connected to the end of the rotating block 11 away from the rotating rod 10. A second fastening nut 14 is provided at the top of the moving rod 12. The clamping assembly also includes a side plate 15, which is slidably mounted on the top of the mounting base 4. An abutment 16 is fixedly connected to one side of the top of the side plate 15.
[0028] The top surface of the mounting base 4 is provided with a first sliding groove 17, and a first sliding block 18 is slidably disposed in the first sliding groove 17. The mounting plate 5 is fixedly installed on the top surface of the first sliding block 18. The top surface of the mounting base 4 is symmetrically provided with two second sliding grooves 19, and a second sliding block 20 is slidably disposed in each of the two second sliding grooves 19. Two moving rods 12 are respectively fixedly installed on the top surface of the two second sliding blocks 20. The top surface of the mounting base 4 is provided with a third sliding groove 21, and a third sliding block 22 is slidably disposed in the third sliding groove 21. The side plate 15 is fixedly installed on the top surface of the third sliding block 22.
[0029] In specific implementation, for further fixing of the lower half of the crankshaft, the second slide block 20 is slid in the position of the second slide groove 19, the position of the moving rod 12 and the rotating block 11 is adjusted, the rotating block 11 is rotated so that the limiting block 13 corresponds to the crank pin part of the crankshaft body 3, the moving rod 12 is slid so that the limiting block 13 fits against the crank pin, the second fastening nut 14 is tightened to fix the moving rod 12, at the same time, the third slide block 22 is slid in the position of the third slide groove 21, the position of the side plate 15 is adjusted so that the abutment 16 abuts against the side of the crankshaft for auxiliary fixing, and then the machining center 2 is started to perform machining operations on the crankshaft body 3.
[0030] Working principle:
[0031] The main journal of the crankshaft body 3 is initially positioned by the fixed seat 23 and the fixed column 24; the front section of the crankshaft is clamped by the first clamping block 6, the second clamping block 8, the slide rod 7 and the first fastening nut 9; the crankshaft crank pin part is fixed by means of the rotating rod 10, rotating block 11, limiting block 13, moving rod 12 and other structures of the clamping assembly, in conjunction with the second slide groove 19 and the second slide seat 20; the crankshaft is further fixed from the side by the side plate 15, the abutment joint 16 and the third slide groove 21 and the third slide seat 22.
[0032] The coordinated action of multiple parts and structures enables stable clamping of the air conditioning compressor crankshaft, ensuring precise machining in machining center 2, effectively improving the machining accuracy and quality of the crankshaft, and through the cooperation of various slides and grooves, it can be adapted to crankshafts of different specifications, enhancing the versatility of the device.
[0033] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A crankshaft machining device for an air conditioning compressor, comprising a fixed table (1) and a crankshaft body (3), characterized in that, A machining center (2) for machining the crankshaft body (3) is provided on one side of the fixed platform (1). The fixed platform (1) includes a mounting base (4). A mounting plate (5) is slidably provided on the top of the mounting base (4). A first clamping block (6) is fixedly connected to the top of the mounting plate (5). Two slide rods (7) are symmetrically fixedly connected to the end of the first clamping block (6) away from the mounting plate (5). A second clamping block (8) is slidably connected to the two slide rods (7). A first fastening nut (9) is provided at the end of the two slide rods (7) away from the first clamping block (6). The side of the first clamping block (6) and the first fastening nut (9) that are close to each other forms an opening for clamping the front section of the crankshaft body (3). A clamping assembly for fixing the lower half of the crankshaft body (3) is provided on the top of the fixed platform (1).
2. The air conditioner compressor crankshaft machining device as described in claim 1, characterized in that, The clamping assembly includes two rotating rods (10), which are rotatably mounted on the top surface of the mounting base (4). A rotating block (11) is fixedly connected to the top of the rotating rod (10). A moving rod (12) is slidably provided on the top of the crankshaft body (3). The moving rod (12) passes longitudinally through the rotating block (11) and is rotatably connected to the rotating block (11). A limiting block (13) for limiting the crank pin portion of the crankshaft body (3) is fixedly connected to the end of the rotating block (11) away from the rotating rod (10). A second fastening nut (14) is provided at the top of the moving rod (12).
3. The air conditioner compressor crankshaft machining device as described in claim 2, characterized in that, The clamping assembly also includes a side plate (15), which is slidably mounted on the top of the mounting base (4), and an abutment (16) is fixedly connected to one side of the top of the side plate (15).
4. The air conditioner compressor crankshaft machining device as described in claim 3, characterized in that, The top surface of the mounting base (4) is provided with a first sliding groove (17), and a first sliding block (18) is slidably disposed in the first sliding groove (17). The mounting plate (5) is fixedly installed on the top surface of the first sliding block (18).
5. The air conditioner compressor crankshaft machining device as described in claim 4, characterized in that, The mounting base (4) has two second sliding grooves (19) symmetrically opened on its top surface. A second sliding block (20) is slidably arranged in each of the two second sliding grooves (19). The two moving rods (12) are respectively fixedly installed on the top surface of the two second sliding blocks (20).
6. The air conditioner compressor crankshaft machining device as described in claim 5, characterized in that, The top surface of the mounting base (4) is provided with a third sliding groove (21), and a third sliding block (22) is slidably arranged in the third sliding groove (21). The side plate (15) is fixedly installed on the top surface of the third sliding block (22).
7. The air conditioner compressor crankshaft machining device as described in claim 6, characterized in that, The top surface of the mounting base (4) is fixedly connected to a fixing base (23), and the top surface of the fixing base (23) is provided with multiple fixing posts (24).
8. The air conditioner compressor crankshaft machining device as described in claim 7, characterized in that, The number of fixed posts (24) is three, and the three fixed posts (24) form a triangular structure to clamp the main journal part of the crankshaft body (3).