Disassembling device for axial piston type automobile air conditioner compressor wobble plate assembly
By designing a dedicated disassembly device and using a hydraulic press, the problems of high difficulty and low efficiency in disassembling the rocker assembly were solved, achieving efficient and low-damage disassembly, and promoting the reuse of parts and saving production costs.
Patent Information
- Application Number
- CN202521774168.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-20
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2035-08-20
AI Technical Summary
The lack of specialized tooling in existing technologies makes the disassembly of the axial piston type automotive air conditioning compressor crank assembly difficult, inefficient, and damaging to parts, making effective recycling and reuse impossible.
Design a disassembly device comprising a lower mold frame, a bushing die, and a connecting rod die, which is used in conjunction with a hydraulic press. Through the cooperation of the bushing die and the connecting rod die, the bushing and connecting rod can be quickly disassembled, reducing labor intensity and ensuring the integrity of the parts.
This enables efficient disassembly of bushings and connecting rods, reduces labor intensity, improves disassembly efficiency, ensures the possibility of reusing parts, saves production costs, and meets the requirements of civilized production in enterprises.
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Figure CN223455479U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of automobile air conditioner compressor, concretely relates to a disassembling device of axial piston type automobile air conditioner compressor rocker assembly. BACKGROUND
[0002] The rocker is a key transmission component of the axial piston type automobile air conditioner compressor, and its function is to convert the rotary motion of the main shaft into the reciprocating motion of the piston, so as to realize the compression and delivery of the refrigerant. Figure 1 As shown in the figure, the rocker is usually installed in the automobile air conditioner compressor in the form of a rocker assembly structure composed of cold riveting of the bushing and the connecting rod. In the production and manufacturing process of the automobile air conditioner compressor, sometimes for the purpose of technical analysis, technical statistics, and material or component recycling, etc., the rocker assembly needs to be disassembled, that is, the bushing and the connecting rod are separated from the rocker. In the prior art, due to the lack of matching special tooling, the disassembly of the rocker assembly is mostly manually operated by using original tools such as hand hammer, flat shovel and steel saw. Since the embedding strength of the bushing and the connecting rod with the rocker is high, the disassembly is very difficult, the disassembly process not only consumes a long time and has a large labor intensity, but also has a low disassembly efficiency, and the disassembly process will inevitably cause obvious damage and injury to the bushing and the connecting rod, so that the disassembled bushing and connecting rod cannot be reused, so that the purpose of saving production cost by disassembling the rocker assembly cannot be achieved, and thus there is a technical demand for improving the disassembly method of the rocker assembly in actual production. Therefore, it is necessary to develop a special disassembly device for the rocker structure and its assembly characteristics, which is applied to actual production, reduces the labor intensity of disassembling the rocker assembly, improves the disassembly efficiency, improves the disassembly effect, improves the recycling rate of disassembled components, solves the problems of the prior art, and promotes the enterprise to save cost and reduce consumption. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at providing a disassembling device of axial piston type automobile air conditioner compressor rocker assembly matched with a hydraulic pressure machine, replacing manual operation, reducing labor intensity, improving disassembly efficiency, and improving disassembly effect.
[0004] The utility model provides a kind of disassembly device of axial piston automobile air conditioner compressor rocker assembly, comprising: lower mould frame, bushing mould and connecting rod mould, the lower mould frame is fixedly installed on the lower die plate of hydraulic press, the upper end surface of the lower mould frame is horizontal end surface, corresponding limit insert mould groove with rocker structure is opened on the horizontal end surface and corresponding bushing hole and connecting rod hole are opened, the bushing hole and the connecting rod hole can guarantee that bushing and connecting rod connected on the rocker respectively correspond from the horizontal end surface, so that the rocker can be limit inserted in the limit insert mould groove with the bushing and the connecting rod connection embedded direction downwards spatial orientation limit;The bushing mould and the connecting rod mould are respectively set up with the bushing hole and the connecting rod hole opened on the lower mould frame, and are connected and installed on the upper die plate of the hydraulic press, under the driving of the upper die plate, the lower end surface of the bushing mould can be correspondingly abutted on the upper end surface of the bushing inserted in the rocker on the lower mould frame, and the bushing is pushed off and disassembled from the rocker, and the connecting rod mould can be correspondingly abutted on the back side of connecting rod connecting groove on the rocker, and the connecting rod is pushed off and separated from the connecting rod connecting groove from back side, and the bushing and the connecting rod pushed off and separated naturally fall into the lower space of the horizontal end surface, to realize the disassembly of the rocker.
[0005] The disassembling device of the axial piston automobile air conditioner compressor rocker assembly further comprises an upper die holder horizontally arranged as a plate, which is slidably and suspendingly connected to a guide rod vertically fixed on the upper die plate and vertically moves within a limited stroke range under the cooperation and guidance of the guide rod, and a plate surface through hole corresponding to the bushing hole and the connecting rod hole respectively formed on the lower die holder is formed on the upper die holder, the bushing die and the connecting rod die are respectively arranged and installed on the upper die holder in a cooperation and hanging mode through the plate surface through hole, and vertically move relative to the upper die holder under the cooperation and guidance of the upper die holder, the bushing die and the connecting rod die are indirectly connected in a split type between the upper die holder and the upper die plate, the upper die holder is released from the suspension connection with the guide rod and naturally placed on the upper end of the rocker before the bushing die and the connecting rod die perform the stamping action on the rocker, the gravity of the upper die holder is fully applied to the rocker inlaid in the limiting inlaid die groove, the stability of the inlaid arrangement of the rocker is increased, when the bushing die and the connecting rod die perform the subsequent stamping action, the punch end of the bushing die and the connecting rod die limits and guides the bushing die and the connecting rod die, the bushing die and the connecting rod die keep accurate stamping direction, the reliability of the impact and disassembly of the bushing and the connecting rod is ensured, at the same time, the bushing die and the connecting rod die as the core load bearing members are installed in a non-fixed connection mode, which is more conducive to the maintenance and replacement of the bushing die and the connecting rod die, reduces the labor intensity, and significantly improves the production application efficiency.
[0006] Preferably, elastic rubber pads are respectively arranged between the connecting rod die and the upper die holder to slow down the inertial impact of the connecting rod die on the upper die holder when the connecting rod die breaks through the rocker body and pushes out the connecting rod from the connecting rod connecting groove, reduce or avoid the collision damage between the connecting rod die and the upper die holder, and improve the service life of the components.
[0007] Preferably, the connecting rod pressing die is a T-shaped structure composed of a die stem and a die cap, a smooth transition area with continuously increasing diameter from bottom to top is arranged at the connecting end of the die stem and the die cap, the minimum diameter of the transition area is greater than the inner hole diameter of the elastic rubber pad, when the connecting rod pressing die is pressed downward relative to the upper die frame under the pressure of the upper die plate to press the rocker plate and the connecting rod in the disassembled state, the transition area on the die stem can be pushed into the inner hole of the elastic rubber pad and make the elastic rubber pad expand radially, when the connecting rod pressing die completes the pressing disassembly of the connecting rod and the hydraulic pressure applied by the upper die plate is released, the radial contraction elastic force of the elastic rubber pad acts on the transition area on the die stem to extrude the die stem and make the transition area pop up from the inner hole of the elastic rubber pad, the upward movement of the connecting rod pressing die relative to the upper die frame can make the connecting rod pressing die separate and pull out from the broken hole on the rocker plate under the axial limiting cooperation of the upper die frame on the rocker plate, thereby avoiding the hooking phenomenon between the rocker plate and the connecting rod pressing die when lifting the upper die plate, ensuring the continuous and smooth performance of the disassembly process, and improving the disassembly efficiency.
[0008] Preferably, in the disassembled state, the height of the upper end surface of the bushing pressing die is higher than the height of the upper end surface of the connecting rod pressing die, so that the upper die plate can apply disassembly pressure to the bushing pressing die first and then to the connecting rod pressing die, the bushing pressing die first presses the bushing to loosen the embedded connection between the bushing and the rocker plate, and the embedded connection force between the rocker plate is greatly released, then the connecting rod pressing die breaks the rocker plate and separates the connecting rod, finally the connecting rod and the bushing are separated from the rocker plate, effectively reducing the disassembly pressure required for synchronous force application to the connecting rod and the bushing, solving the problem of uneven distribution of disassembly pressure caused by too many synchronous force application points, reducing the change gradient of disassembly pressure in the disassembly process, reducing the vibration tendency, ensuring the stability and reliability of the disassembly process, improving the disassembly effect and disassembly efficiency.
[0009] The utility model discloses an advantageous effect is, provide a kind of axial piston type automobile air conditioner compressor rocker assembly's disassembling device, matched application with hydraulic press, can complete the split of bushing and 5 connecting rods simultaneously in one hydraulic stroke process, average only uses time seconds, relative to prior art manual operation mode can substantially reduce labor intensity, significantly improve disassembly efficiency, and disassembly process has no obvious damage to the bushing and connecting rod of disassembly separation, can fully guarantee the original structure of bushing and connecting rod and its use function, also have good split effect, the bushing and connecting rod of vast majority proportion structure intact after split can be recycled in automobile air conditioner compressor production, it is advantageous to save manufacturing cost, reduce production consumption, with the outstanding characteristics of resource-saving and environment-friendly, meet the requirements of enterprise civilization production, satisfy efficient production demand, well solve the prior art problem. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is automobile air conditioner compressor rocker assembly structure front view.
[0011] Figure 2 It is automobile air conditioner compressor rocker assembly structure plan view.
[0012] Figure 3 It is axial piston type automobile air conditioner compressor rocker assembly's disassembling device basic structure state diagram.
[0013] Figure 4 For Figure 3 It is A-A section view.
[0014] Figure 5 It is axial piston type automobile air conditioner compressor rocker assembly's disassembling device disassembly structure state diagram.
[0015] Wherein: 1 is lower die holder, 2 is bushing press mould, 3 is connecting rod press mould, 4 is upper die holder, 5 is elastic rubber pad, 6 is guide rod, 7 is elastic collar, 8 is upper die plate, 9 is lower die plate, 10 is rocker, 11 is bushing, 12 is connecting rod, 13 is bushing hole, 14 is connecting rod hole, 15 is storage window. DETAILED DESCRIPTION
[0016] Further, in combination with specific embodiment and its drawings, the technical scheme of the utility model claimed is specifically described.
[0017] A kind of axial piston type automobile air conditioner compressor rocker assembly's disassembling device, matched with hydraulic press, as shown in Figure 3 And Figure 5As shown, the lower die frame 1, bushing die 2, connecting rod die 3, upper die frame 4, elastic rubber pad 5 and guide rod 6; the lower die frame 1 is a cylindrical frame body, fixedly installed on the lower die plate 9 on the hydraulic press, the cylindrical inner space can accommodate the bushing 11 and connecting rod 12 separated from the swing disc 10, the cylinder wall is provided with a receiving window 15 for collecting the bushing 11 and the connecting rod 12, and the horizontal end face provided at the upper end is provided with a limiting insert die groove corresponding to the structure of the swing disc 10 and corresponding to a bushing hole 13 and five connecting rod holes 14; four guide rods 6 are vertically arranged and fixedly connected to the upper die plate 8 on the hydraulic press, the upper die frame 4 is a horizontally arranged plate, which is slidingly connected to the guide rods 6, can be guided by the guide rods 6 to move vertically within a limited stroke range, and is provided with a bushing die hanging hole and five connecting rod die hanging holes, the bushing die hanging hole and the connecting rod die hanging hole are vertically and correspondingly provided with the bushing hole 13 and the connecting rod hole 14, the bushing die 2 is fitted in the bushing die hanging hole, the upper end is limited and hung by the elastic ring 7, the lower end is provided with an annular pushing surface corresponding to the structure of the upper end face of the bushing 11 and is provided with a matching flange which can be extended into the inner hole of the bushing 11, the matching flange and the inner circumferential surface of the bushing 11 can ensure the reliability of the pushing cooperation between the annular pushing surface and the upper end face of the bushing 11, the connecting rod die 3 is a T-shaped structure, the die rod is respectively fitted with the elastic rubber pad 5, the rod body is fitted in the connecting rod die hanging hole, and the connecting end with the die cap is provided with an arc transition area with increasing diameter from bottom to top. Figure 3 As shown, the upper die plate 8 is lifted to separate the upper die frame 4 from the swing disc 10 inserted in the lower die frame 1, the upper die frame 4 is suspended by the guide rods 6 at the lower end of the guide rods 6, and the bushing die 2 and the connecting rod die 3 are hung on the upper die frame 4 in a natural state; in the disassembled structure, as shown in Figure 5As shown, the upper die plate 8 is lowered sufficiently, so that the upper die frame 4 is placed on the upper end of the rocker 10 inlaid on the lower die frame 1, and supported by the rocker 10 out of the traction of the guide rod 6, the self-gravity of the upper die frame 4 is fully applied to the rocker 10, the matching flange at the lower end of the bushing die 2 is matched and extended into the inner hole of the bushing 11, the annular push face corresponds to the upper end face of the bushing 11 to form a contact matching, at the same time, the lower end face of the connecting rod die 3 also simultaneously forms a contact matching with the upper end face of the rocker 10, under the corresponding support of the bushing 11 and the rocker 10, the bushing die 2 and the connecting rod die 3 are simultaneously moved upward relative to the upper die frame 4 and sequentially released the hanging matching between them, at this time, the upper end face of the bushing die 2 has a height difference Δh higher than the upper end face of the connecting rod die 3.
[0018] The disassembling device of the rocker assembly of the axial piston type automobile air conditioner compressor described in this embodiment is applied to disassemble the rocker assembly as shown in Figure 1 and Figure 2 The specific method is: first, in the basic structure state of the disassembling device of the rocker assembly of the axial piston type automobile air conditioner compressor, as shown in Figure 3 , take the rocker assembly to be disassembled, align the five connecting rods 12 in the rocker assembly with the five connecting rod holes 14 opened on the lower die frame 1 respectively and make each connecting rod 12 pass through the connecting rod hole 14 at the same time, then inlay the rocker 10 in the rocker assembly in the limiting inlay die groove opened on the lower die frame 1, after determining the accurate matching and placing stably, start the hydraulic press to send the upper die plate 8 downward, so that the upper die frame 4 suspended on the guide rod 6 and the bushing die 2 and the connecting rod die 3 hung on the upper die frame 4 follow the downward movement, when the upper die frame 4 is lowered to the upper end of the rocker 10 and supported by the rocker 10 out of the suspension traction of the guide rod 6, as shown in Figure 5As shown, the disassembling device of the axial piston automobile air conditioner compressor rocker assembly changes into a disassembling structure state, at this time, the matching flange at the lower end of the bushing die 2 extends into the inner hole of the bushing 11, the annular pushing surface has been in contact with the upper end surface of the bushing 11, at the same time, the lower end surface of the connecting rod die 3 is also in contact with the upper end surface of the rocker 10, in the disassembling structure state, since the upper die frame 4 has been naturally borne on the rocker 10, the upper die plate 8 continues to move downward to apply disassembling pressure to the bushing die 2 and the connecting rod die 3 in turn, that is, the upper die plate 8 first presses the bushing die 2, pushes the bushing die 2 to stamp the bushing 11 to loosen the embedded connection between the bushing 11 and the rocker 10, and then continues to send the upper die plate 8 downward by △h height, the upper die plate 8 will press the connecting rod die 3 at the same time, so that the connecting rod die 3 breaks the rocker 10 and then stamps the connecting rod 12, and then continues to send the upper die plate 8 to separate the bushing 11 and the connecting rod 12 from the rocker 10 at the same time and fall into the inner cavity of the lower die frame 1, after that, control the upper die plate 8 and the upper die frame 4 to rise together to make the disassembling device of the axial piston automobile air conditioner compressor rocker assembly return to the basic structure state, take off the disassembled rocker 10 from the lower die frame 1, and take out the disassembled bushing 11 and connecting rod 12 from the inner cavity of the lower die frame 1, then the disassembling of a set of rocker assembly is completed; the whole disassembling process takes an average of only a few seconds, the action process is continuous, stable and smooth, and there is no vibration phenomenon caused by sudden load change during the process, which meets the requirements of civilized production of enterprises, and the above operation process can be repeated to disassemble other rocker assemblies in turn.
Claims
1. A disassembly device for a wobble plate assembly of an axial piston automotive air conditioning compressor, characterized in that The application relates to a hydraulic pressure machine bushing and connecting rod dismounting device. The device comprises a lower die frame (1), a bushing die (2) and a connecting rod die (3), the lower die frame (1) is fixedly installed on a lower die plate (9) of a hydraulic pressure machine, the upper end surface of the lower die frame (1) is a horizontal end surface, a limiting embedding die groove corresponding to the structure of a rocker (10) is arranged on the horizontal end surface, and a bushing hole (13) and a connecting rod hole (14) penetrating through the horizontal end surface are arranged correspondingly, the bushing hole (13) and the connecting rod hole (14) can ensure that a bushing (11) and a connecting rod (12) connected to the rocker (10) respectively pass through the horizontal end surface correspondingly, the rocker (10) can be limitedly embedded in the limiting embedding die groove in a space orientation with the bushing (11) and the connecting rod (12) connected and embedded downwards, the bushing die (2) and the connecting rod die (3) are correspondingly arranged with the bushing hole (13) and the connecting rod hole (14) arranged on the lower die frame (1), and are connected and installed on an upper die plate (8) of the hydraulic pressure machine, under the driving of the upper die plate (8), the lower end surface of the bushing die (2) can correspondingly abut against the upper end surface of the bushing (11) embedded in the rocker (10) on the lower die frame (1), the bushing (11) is pushed off and disassembled from the rocker (10), and the connecting rod die (3) can correspondingly abut against the back side surface of a connecting rod connecting groove on the rocker (10), and the connecting rod (12) is pushed off and separated from the connecting rod connecting groove from the back side.
2. A disassembly device for a wobble plate assembly of an axial piston automotive air conditioning compressor as set forth in claim 1, characterized in that The device further comprises an upper die frame (4), the upper die frame (4) is a horizontally arranged plate, is slidably and movably hung on a guide rod (6) vertically and fixedly arranged on the upper die plate (8), can vertically move in a limited stroke range under the cooperation and guidance of the guide rod (6), and plate surface through holes corresponding to the bushing hole (13) and the connecting rod hole (14) arranged on the lower die frame (1) are arranged on the upper die frame (4), the bushing die (2) and the connecting rod die (3) are correspondingly arranged and installed on the upper die frame (4) in a cooperation and hanging mode through the plate surface through holes, and can vertically move relative to the upper die frame (4) under the cooperation and guidance of the upper die frame (4).
3. The disassembly device of the wobble plate assembly of an axial piston automotive air conditioning compressor of claim 2, characterized in that: Elastic rubber pads (5) are arranged between the connecting rod die (3) and the upper die frame (4).
4. The disassembly device of the wobble plate assembly of an axial piston automotive air conditioning compressor of claim 3, characterized in that: The connecting rod die (3) is a T-shaped structure formed by a die rod and a die cap, a smooth transition region with a diameter continuously increasing from bottom to top is arranged at the connecting end of the die rod and the die cap, and the minimum diameter in the transition region is greater than the inner hole diameter of the elastic rubber pad (5).
5. A disassembly device for a wobble plate assembly of an axial piston automotive air conditioning compressor according to any one of claims 1 to 4, characterized in that: The height of the upper end surface of the bushing die (2) is higher than that of the upper end surface of the connecting rod die (3) in a disassembled structure state.