CN215880891U - V5 automobile air conditioner compressor protecgulum center axle sleeve and shaft hole turning anchor clamps - Google Patents
V5 automobile air conditioner compressor protecgulum center axle sleeve and shaft hole turning anchor clamps Download PDFInfo
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- CN215880891U CN215880891U CN202122307659.XU CN202122307659U CN215880891U CN 215880891 U CN215880891 U CN 215880891U CN 202122307659 U CN202122307659 U CN 202122307659U CN 215880891 U CN215880891 U CN 215880891U
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- expansion sleeve
- air conditioner
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Abstract
A V5 automobile air conditioner compressor front cover central shaft sleeve and shaft hole turning clamp comprises a clamp body, a clamp spring pull disc, an elastic expansion sleeve, a positioning mandrel and a workpiece hanging disc, wherein the clamp body is fixedly connected with the positioning mandrel, an expansion ring supporting conical surface is arranged on a circular cone of the positioning mandrel, the elastic expansion sleeve and the workpiece hanging disc are respectively sleeved on the positioning mandrel, a hanging pin is arranged on the workpiece hanging disc, an expansion ring guiding conical surface is arranged on the inner side of a cylinder body of the elastic expansion sleeve, an elastic blind groove and a tensioning block are arranged on the end side of the cylinder body, an embedding groove corresponding to the hanging pin is arranged on the tensioning block, the turning clamp is positioned and preset through the workpiece hanging disc, the V5 automobile air conditioner compressor front cover is tensioned on the elastic expansion sleeve by utilizing the matched expansion of the elastic expansion sleeve and the positioning mandrel, the connection strength can be fully ensured, the limitation of the prior art on the rotating speed of a lathe spindle and the feed quantity of a cutter is overcome, the machining precision and the machining efficiency of the center shaft sleeve and the center shaft hole of the front cover of the V5 automobile air conditioner compressor are improved.
Description
Technical Field
The utility model relates to a turning clamp, in particular to a turning clamp for a center shaft sleeve and a shaft hole of a front cover of a V5 automobile air conditioner compressor.
Background
The shell structure of the automobile air conditioner compressor is generally composed of a front cover, a cylinder body and a rear cover, the important structural components are cast by adopting an aluminum alloy material, a cast blank casting needs to be subjected to multi-process mechanical processing, and the finished product is used for assembling a compressor product after being processed. Fig. 1 shows a front cover structure of a side-mounted V5 automotive air conditioning compressor, in which both an outer annular surface 10 of a center shaft sleeve at a tail end and an inner annular surface 11 of a center shaft hole need to be turned, because the outer annular surface 10 of the center shaft sleeve is a sealing connection surface correspondingly matched with an electromagnetic clutch assembly, and the inner annular surface 11 of the center shaft hole is a sealing matching surface matched with a main shaft of a high-speed rotating compressor, requirements on processing precision and quality are high, and a common lathe is usually used for turning in current production, and a basic method thereof is as follows: after the machining of the front end inner ring surface of the front cover of the V5 automobile air-conditioning compressor is finished, the front end inner ring surface is sleeved on a lathe chuck, and the turning of the tail end outer ring surface 10 of the center shaft sleeve and the inner ring surface 11 of the center shaft hole is implemented by utilizing the outward expansion claws on the lathe chuck to fixedly expand the front cover of the V5 automobile air-conditioning compressor, because the expansion jaw on the lathe chuck has an excessively small expansion contact area, the machined front end inner ring surface is extremely easy to damage, and more importantly, the fixed connection strength of the V5 automobile air conditioner compressor front cover on the lathe chuck is low and the stability is poor due to the small contact area, the spindle speed and tool feed of the lathe must be rigorously defined during machining, this will certainly have a great adverse effect on the machining accuracy and efficiency of the workpiece, and sometimes even the workpiece will fall off to cause a production accident. Therefore, research and improvement are needed to be made on a machining tool for a front cover of a V5 automobile air conditioner compressor, and the machining tool is applied to turning of a central shaft sleeve and a central shaft hole in a matching manner, so that the machining precision and the machining efficiency are improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a V5 automobile air conditioner compressor front cover central shaft sleeve and a shaft hole turning clamp, which can improve the processing precision and the processing work efficiency of workpieces.
The utility model provides a V5 vehicle air conditioner compressor protecgulum center shaft cover and shaft hole turning anchor clamps, includes: the clamp comprises a clamp body, a clamp spring pull disc, an elastic expansion sleeve, a positioning mandrel and a workpiece hanging disc; the clamp is mainThe body is annular disk body structure, has seted up coaxial circular recess on the terminal surface of one side to fixed connection the positioning core axle, opposite side have bolted connection structure for with lathe chuck fixed connection, positioning core axle one end has the ring flange, and the other end is circular cone, the positioning core axle ring flange with the end-face fit threaded connection of end is seted up to the coaxial circular recess of anchor clamps main part, be provided with the ring that rises that inclination is a on the circular cone of positioning core axle and support the conical surface, the jump ring draws the dish to be the ring disk body, by the spacing embedding of positioning core axle is in among the coaxial circular recess of seting up in the anchor clamps main part, the internal thread has on the internal ring surface for be connected with lathe pull rod cooperation, the disk body thickness that the jump ring drawn the dish is less than the degree of depth H of coaxial circular recess1The clamp spring pull disc can have axial reciprocating movement spatial distance in the coaxial circular groove, the elastic expansion sleeve and the workpiece hanging disc are cylindrical structures, one ends of the cylindrical structures are provided with flanges, the cylindrical structures are respectively sleeved on the positioning core shafts, the flanges of the workpiece hanging disc are fixedly connected with the clamp main body, and the structural spatial distance H is kept between the positioning core shafts in the axial direction on the clamp main body2The end of the cylinder end of the workpiece hanging disc is provided with hanging pins distributed along the circumference, the elastic expansion sleeve is arranged between the positioning mandrel and the workpiece hanging disc, the flange plate of the elastic expansion sleeve takes a support sleeve penetrating through the flange plate of the positioning mandrel as a structural body and is connected with the clamp spring pull disc into a whole by utilizing a connecting bolt, and the thickness of the flange plate of the elastic expansion sleeve is smaller than the space interval H between the workpiece hanging disc and the positioning mandrel2The elastic expansion sleeve has a spatial distance for axial reciprocating movement between the workpiece hanging disc and the positioning mandrel, so that a connector of the elastic expansion sleeve and the clamp spring pull disc can perform axial reciprocating movement relative to the clamp main body in a certain spatial range under the action of the machine tool pull rod, an expansion ring guide conical surface with an inclination angle of a is arranged on the inner circumferential surface of the elastic expansion sleeve barrel, the expansion ring guide conical surface and an expansion ring support conical surface on the positioning mandrel form corresponding structural matching, and the elastic expansion sleeve is elastically expandedThe end side of the cylinder body of the sleeve is uniformly distributed with a plurality of axial elastic blind grooves along the circumference, the elastic blind grooves divide the elastic expansion sleeve cylinder body into a plurality of elastic reeds which can generate radial elastic deformation, the outer side surface of the end head on each elastic reed is provided with an expansion block, the expansion block is respectively provided with an embedding groove corresponding to a hanging pin arranged on the workpiece hanging disc, so that the hanging pins are respectively embedded in the embedding grooves in a corresponding matching way, and a certain space gap is kept between the hanging pins and the embedding grooves in the radial direction, when the elastic reeds are under the action of radial expansion force, the expansion block can radially expand relative to the workpiece hanging disc and is expanded and supported on the inner ring surface of the front end edge of the front cover of the automobile air conditioner compressor V5.
Further, in order to ensure the stability of the expansion of the elastic expansion sleeve on the front cover of the V5 automobile air-conditioning compressor and the accuracy of the workpiece hanging disc in positioning the front cover of the V5 automobile air-conditioning compressor, it is preferable that the number of the elastic blind grooves formed in the elastic expansion sleeve is 4-12, the number of the hanging pins arranged on the workpiece hanging disc is the same as the number of the elastic reeds formed by dividing the elastic expansion sleeve, and each hanging pin is arranged corresponding to each elastic reed.
Further, preferably be provided with circular reference column on the circular cone end of positioning mandrel, the structure of circular reference column forms corresponding cooperation with the inboard center shaft hole structure of the air condition compressor protecgulum for corresponding processing V5 car, right V5 air condition compressor protecgulum for car carries out the center location, and it is right to improve the stability of V5 air condition compressor protecgulum for car location.
Furthermore, in order to prevent the positioning core shaft from possibly damaging the inner central shaft hole in the machining process, a protective outer sleeve is preferably sleeved on the circular positioning column of the positioning core shaft, and the protective outer sleeve is made of a metal material with hardness lower than that of the aluminum alloy casting material.
The utility model has the advantages that the V5 automobile air conditioner compressor front cover central shaft sleeve and the shaft hole turning clamp are provided, the V5 automobile air-conditioning compressor front cover is positioned and preset by a workpiece hanging disc, the V5 automobile air-conditioning compressor front cover is expanded and held on the elastic expansion sleeve by utilizing the matching expansion of the elastic expansion sleeve and the positioning mandrel, because the expansion surface of the elastic expansion sleeve is a ring surface formed by combining the expansion blocks, the bearing area is larger, the connection strength of the front cover of the V5 automobile air-conditioning compressor and the elastic expansion sleeve can be fully ensured, the limitation of the prior art on the rotating speed of a lathe spindle and the feeding amount of a cutter is overcome, the processing precision and the processing efficiency of the center shaft sleeve and the center shaft hole of the front cover of the V5 automobile air-conditioning compressor are improved, meanwhile, the auxiliary positioning of the positioning mandrel is utilized, the positioning stability of the V5 automobile air conditioner compressor can be better ensured, and the machining precision of the V5 automobile air conditioner compressor front cover central shaft sleeve and the central shaft hole is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a front cover of a compressor of an automobile air conditioner of V5.
FIG. 2 is a front view of turning clamp structures for a front cover central shaft sleeve and a shaft hole of a V5 automobile air conditioner compressor.
FIG. 3 is a right side view of the turning fixture structure for the center shaft sleeve and the shaft hole of the front cover of the V5 automobile air conditioner compressor.
Fig. 4 is a partial enlarged view of the point i in fig. 3.
Fig. 5 is a structure view of the elastic expansion sleeve.
FIG. 6 is a schematic view of a clamping state structure of a turning clamp for a front cover central shaft sleeve and a shaft hole of a V5 automobile air conditioner compressor.
Detailed Description
The claimed technical solution is further described below with reference to the following detailed description and the accompanying drawings.
A turning clamp for a front cover central shaft sleeve and a shaft hole of a side-mounted V5 automobile air conditioner compressor is composed of a clamp body 1, a clamp spring pull disc 2, an elastic expansion sleeve 3, a positioning mandrel 4, a workpiece hanging disc 5 and a supporting sleeve 6 as shown in figures 2, 3 and 6; the end face of one side end of the body of the fixture body 1 is provided with a circular groove and is fixedly connected with the positioning core shaft 4, the other side of the body is provided with a bolt hole which is connected and matched with a machine tool chuck, the flange plate at one end of the positioning core shaft 4 is in end face matching threaded connection with the coaxial circular groove of the fixture body 1, and the circular cone at the other end is provided with a circular coneThe clamp is characterized in that an expansion ring supporting conical surface with an inclination angle of a is arranged, a cylindrical positioning rod is arranged on the end, the circular positioning rod can be embedded in a central shaft hole on the inner side of a front cover of a V5 automobile air-conditioning compressor which is correspondingly processed in an extending matching mode, a protective outer sleeve 12 is sleeved on the cylindrical positioning rod, the protective outer sleeve 12 is made of a copper material, a clamp spring pull disc 2 is embedded in a coaxial circular groove formed in a clamp body 1, an internal thread which is matched with a machine tool pull rod in a connecting mode is formed in the inner annular surface, and the thickness of the disc body is smaller than the depth H of the coaxial circular groove1The elastic expansion sleeve 3 and the workpiece hanging disc 5 are cylindrical structures with flange plates at one ends and are respectively sleeved on the positioning core shaft 4, the flange plates of the workpiece hanging disc 5 are also fixedly connected with the clamp body 1 through threads, and structural space intervals H are axially kept between the positioning core shaft 42The end of the cylinder end of the workpiece hanging plate 5 is provided with 6 hanging pins which are uniformly distributed along the circumference, the elastic expansion sleeve 3 is structured as shown in figure 5 and is arranged between the positioning mandrel 4 and the workpiece hanging plate 5, the supporting sleeve 6 is used as a structural body and fixedly connected with the clamp spring pulling plate 2 through bolts, the thickness of the flange plate of the elastic expansion sleeve 3 is smaller than the space interval H between the workpiece hanging plate 5 and the positioning mandrel 42The inner circumferential surface of the cylinder of the elastic expansion sleeve 3 is provided with an expansion ring guide conical surface with an inclination angle a, the end side of the cylinder is provided with 6 axial elastic blind grooves 7 which are uniformly distributed along the circumference, the cylinder of the elastic expansion sleeve 3 is divided into 6 elastic reeds, the outer side surface of the end head of each elastic reed is provided with an expansion block 8, and the expansion blocks 8 are respectively provided with an embedding groove 9.
The turning processing is carried out on the central shaft sleeve and the central shaft hole at the tail end of the front cover of the side-mounted V5 automobile air-conditioning compressor by applying the central shaft sleeve and the shaft hole turning clamp of the front cover of the side-mounted V5 automobile air-conditioning compressor, as shown in figure 6, the turning processing method comprises the following steps: the fixture main body 1 is firmly bolted to a machine tool chuck, meanwhile, a clamp spring pull disc 2 is in threaded fit connection with a machine tool pull rod, then, a positioning mandrel 4 is sequentially in bolted connection with the fixture main body 1, an elastic expansion sleeve 3 is in bolted connection with the clamp spring pull disc 2, a workpiece hanging disc 5 is in bolted connection with the fixture main body 1, embedding grooves formed in expansion blocks of the elastic expansion sleeve 3 correspond to hanging pins arranged on the workpiece hanging disc 5, the hanging pins are correspondingly embedded in the embedding grooves respectively, and after the fact that connection among all components is firm is checked, installation of the fixture tool is completed; the machine tool draw bar is arranged at the front position, the front end port of the front cover 20 of the V5 automobile air-conditioning compressor to be processed is sleeved on the workpiece hanging disc 5 in a matching way, the position is adjusted, the end surface of the workpiece hanging disc 5 is abutted against the inner convex shoulder at the front end of the front cover 20 of the V5 automobile air-conditioning compressor, after the reliable matching connection is confirmed, the machine tool pull rod is pulled to reset, the clamp spring pull disc and the elastic expansion sleeve which are connected into a whole are pulled by the machine tool pull rod to be positioned at a locking station, the elastic reeds on the elastic expansion sleeve 3 are expanded under the action of the positioning mandrel 4, the expansion blocks at the ends of the elastic reeds are respectively expanded from the slotted holes on the workpiece hanging disc 5 and are expanded and supported on the inner annular surface of the front end port of the V5 automobile air-conditioning compressor front cover 20, and the V5 automobile air-conditioning compressor front cover 20 is fixedly arranged on the workpiece hanging disc 5; at this time, the machine tool power is started to enable the machine tool chuck to rotate, turning processing of the inner ring surface of the central shaft hole and the outer ring surface of the central shaft sleeve on the outer side of the front cover 20 of the V5 automobile air conditioner compressor can be carried out, the machine tool power is turned off after processing is finished to stop the rotation of the machine tool chuck, the front machine tool pull rod is pushed again, the clamp spring pull disc and the elastic expansion sleeve which are connected into a whole are driven by the machine tool pull rod to be located at a release station, the elastic expansion sleeve 3 is loosened and connected with the front cover 20 of the V5 automobile air conditioner compressor, the processed front cover 20 of the V5 automobile air conditioner compressor is taken down, a next front cover of the V5 automobile air conditioner compressor to be processed is installed again, and the processing operation is carried out repeatedly, so that the processing is carried out repeatedly.
Claims (5)
1. The utility model provides a V5 vehicle air conditioner compressor protecgulum center shaft cover and shaft hole turning anchor clamps which characterized in that includes: the clamp comprises a clamp body (1), a clamp spring pull disc (2), an elastic expansion sleeve (3), a positioning mandrel (4) and a workpiece hanging disc (5); the clamp body (1) isAnnular disk body structure, coaxial circular recess has been seted up on the terminal surface of one side to fixed connection positioning core axle (4), opposite side have bolted connection structure, positioning core axle (4) one end has the ring flange, and the other end is circular cone, positioning core axle (4) ring flange with the end-face fit threaded connection of end is seted up to the coaxial circular recess of anchor clamps main part (1), be provided with the ring that rises that inclination is a on the circular cone of positioning core axle (4) and support the conical surface, jump ring drawing disc (2) is the ring disk body, by positioning core axle (4) is spacing to be inlayed and is put among the coaxial circular recess of seting up on anchor clamps main part (1), the internal thread has on the internal ring face, the disk body thickness of jump ring drawing disc (2) is less than the degree of depth H of coaxial circular recess1The elastic expansion sleeve (3) and the workpiece hanging disc (5) are cylindrical structures with flange plates at one ends, and are respectively sleeved on the positioning core shafts (4), the flange plates of the workpiece hanging disc (5) are fixedly connected with the clamp body (1) and are connected with the clamp body (1) in common, structural space intervals H are kept between the positioning core shafts (4) in the axial direction2The workpiece hanging plate is characterized in that hanging pins distributed along the circumference are arranged at the end of the cylinder end of the workpiece hanging plate (5), the elastic expansion sleeve (3) is arranged between the positioning core shaft (4) and the workpiece hanging plate (5), the flange plate of the elastic expansion sleeve (3) penetrates through the support sleeve (6) of the flange plate of the positioning core shaft (4) as a structural body, the connection bolt is utilized to connect the clamping spring drawing plate (2) into a whole, the thickness of the flange plate of the elastic expansion sleeve (3) is smaller than that of the workpiece hanging plate (5) and the space interval H between the positioning core shaft (4)2The elastic expansion sleeve is characterized in that an expansion ring guide conical surface with an inclination angle of a is arranged on the inner circumferential surface of the cylinder body of the elastic expansion sleeve (3), the expansion ring guide conical surface and an expansion ring support conical surface on the positioning core shaft (4) form corresponding structural matching, axial elastic blind grooves (7) are uniformly distributed on the end side of the cylinder body of the elastic expansion sleeve (3) along the circumference, the elastic blind grooves (7) divide the cylinder body of the elastic expansion sleeve (3) into a plurality of elastic reeds capable of generating radial elastic deformation, and the outer side surface of the end on each elastic reed is provided with an elastic reedAnd the expansion block (8) is provided with embedding grooves (9) corresponding to the pendant pins arranged on the workpiece hanging disc (5), so that the pendant pins are respectively embedded in the embedding grooves (9) in a corresponding fit manner, and a space gap is reserved between the pendant pins and the embedding grooves (9) in the radial direction.
2. The turning fixture for the center shaft sleeve and the shaft hole of the front cover of the V5 automobile air conditioner compressor as claimed in claim 1, wherein: the number of the elastic blind grooves in the elastic expansion sleeve (3) is 4-12, the number of the hanging pins on the workpiece hanging disc (5) is the same as the number of the elastic reeds formed by cutting the elastic expansion sleeve (3), and each hanging pin is arranged corresponding to each elastic reed.
3. The turning fixture for the center shaft sleeve and the shaft hole of the front cover of the V5 automobile air conditioner compressor as claimed in claim 1, wherein: and a circular positioning column is arranged on the circular cone end of the positioning mandrel (4).
4. The turning fixture for the center shaft sleeve and the shaft hole of the front cover of the V5 automobile air conditioner compressor as claimed in claim 3, wherein: and a protective outer sleeve (12) is sleeved on the round positioning column of the positioning mandrel (4).
5. The turning fixture for the center shaft sleeve and the shaft hole of the front cover of the V5 automobile air conditioner compressor as claimed in claim 4, wherein: the protective outer jacket (12) is made of a copper material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122307659.XU CN215880891U (en) | 2021-09-24 | 2021-09-24 | V5 automobile air conditioner compressor protecgulum center axle sleeve and shaft hole turning anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122307659.XU CN215880891U (en) | 2021-09-24 | 2021-09-24 | V5 automobile air conditioner compressor protecgulum center axle sleeve and shaft hole turning anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215880891U true CN215880891U (en) | 2022-02-22 |
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ID=80349217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122307659.XU Active CN215880891U (en) | 2021-09-24 | 2021-09-24 | V5 automobile air conditioner compressor protecgulum center axle sleeve and shaft hole turning anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215880891U (en) |
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2021
- 2021-09-24 CN CN202122307659.XU patent/CN215880891U/en active Active
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