CN216126878U - Fixture for processing long shaft end face of refrigerator compressor crankshaft - Google Patents
Fixture for processing long shaft end face of refrigerator compressor crankshaft Download PDFInfo
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- CN216126878U CN216126878U CN202122572381.9U CN202122572381U CN216126878U CN 216126878 U CN216126878 U CN 216126878U CN 202122572381 U CN202122572381 U CN 202122572381U CN 216126878 U CN216126878 U CN 216126878U
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- shaped block
- oil cylinder
- support platform
- bearing
- support
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Abstract
The utility model discloses a clamp for processing the end surface of a long shaft of a refrigerator compressor crankshaft, which comprises a base, a fastening element, a V-shaped block, an auxiliary positioning bracket and a supporting oil cylinder, wherein the base is provided with a clamping groove; the base comprises a vertical seat and a horizontal seat; the V-shaped block is arranged at the top end of the vertical seat; the fastening element is arranged on one side of the V-shaped block and is fixed on the vertical seat; an auxiliary positioning bracket is arranged below the V-shaped block; the auxiliary positioning support comprises a support platform, a linear bearing and a spring; two ends of the support platform are respectively connected with one end of a linear bearing, the other end of the linear bearing is fixed on the horizontal seat, and the spring is sleeved on the linear bearing; a groove is formed in the center of the side edge, away from the V-shaped block, of the support platform, and the V-shaped groove of the V-shaped block is opposite to the groove; a support oil cylinder is arranged right below the support platform and is fixed on a horizontal seat of the base; and a supporting oil cylinder is provided with a top block below the platform at the center of the support platform.
Description
Technical Field
The utility model relates to the field of workpiece fixtures, in particular to a fixture for machining the end face of a long shaft of a crankshaft of a refrigerator compressor.
Background
At present, when the end face of a shaft part or a disc part is machined, a numerical control lathe or special 16-shaft equipment is adopted for milling. When a numerically controlled lathe is used for machining, the outer circle of the long shaft of the part is clamped by the collet chuck, the end face of the long shaft is positioned and turned, the collet chuck in the clamp is taken out to be loaded with the workpiece when the workpiece is loaded and unloaded, and then the collet chuck is loaded into the clamp, so that the operation is complex, the improvement of the production efficiency is not facilitated, the machining size cannot be guaranteed, and the equipment cost is high. When the special 16-axis equipment is used for milling the end face of the part, the machining size cannot be ensured due to the fact that the machining datum is inconsistent with the positioning datum, and the equipment cost is high. The two machining modes used at present are complex in operation, large in occupied area of equipment, incapable of guaranteeing the size of machined parts and not beneficial to improving production efficiency and product quality.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a clamp for processing the end surface of the long shaft of the crankshaft of the refrigerator compressor.
The technical means adopted by the utility model are as follows.
A clamp for processing the end surface of a long shaft of a refrigerator compressor crankshaft comprises a base, a fastening element, a V-shaped block, an auxiliary positioning support and a supporting oil cylinder;
the base comprises a vertical seat and a horizontal seat;
the V-shaped block is arranged at the top end of the vertical seat; the fastening element is arranged on one side of the V-shaped block and is fixed on the vertical seat;
the auxiliary positioning bracket is arranged below the V-shaped block; the auxiliary positioning support comprises a support platform, a linear bearing and a spring; the two ends of the support platform are respectively connected with one end of a linear bearing, the other end of the linear bearing is fixed on the horizontal seat, and the spring is sleeved on the linear bearing;
a groove is arranged at the center of the side edge of the support platform, which is far away from the V-shaped block, and the V-shaped groove of the V-shaped block and the groove are positioned on the same vertical line;
the support oil cylinder is arranged below the support platform and is fixed on the horizontal seat; the supporting oil cylinder is provided with a jacking block; the top block is positioned below the center of the support platform, and the top block is in contact with the lower surface of the support platform.
Preferably, the fastening element comprises an oil cylinder, a bearing and a clamping element, the oil cylinder is fixed on the vertical seat, one end of the bearing is connected to the oil cylinder, the clamping element is movably sleeved on the bearing, the other end of the bearing is provided with threads, and the nut is in threaded connection with the bearing to prevent the clamping element from being separated.
The technical effects produced by the utility model are as follows: the fixture for processing the end face of the long shaft of the refrigerator compressor crankshaft provided by the utility model is simple to operate, small in occupied area, controllable and adjustable in part processing size, beneficial to improving the production efficiency and the product quality and reducing the production cost.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a workpiece according to the present invention.
Description of the figure numbers: the device comprises a base 1, a vertical seat 11, a horizontal seat 12, a fastening element 2, an oil cylinder 21, a bearing 22, a clamping element 23, a V-shaped block 3, an auxiliary positioning support 4, a support platform 41, a groove 411, a linear bearing 42, a spring 43, a supporting oil cylinder 5 and a top block 51.
Detailed Description
Fig. 1 is a schematic structural diagram of a fixture for processing an end face of a long shaft of a compressor crankshaft of a refrigerator according to the present invention, which includes a base 1, a fastening element 2, a V-shaped block 3, an auxiliary positioning bracket 4, and a support cylinder 5. The base 1 comprises a vertical seat 11 and a horizontal seat 12. The V-shaped block 3 is arranged at the top end of the vertical seat 11; the fastening element 2 is disposed on one side of the V-block 3, and the fastening element 2 is fixed to the vertical seat 11.
The fastening element 2 comprises an oil cylinder 21, a bearing 22 and a clamping element 23, wherein the oil cylinder 21 is fixed on the vertical seat 11, one end of the bearing 22 is connected to the oil cylinder 21, the clamping element 23 is movably sleeved on the bearing 22, the other end of the bearing 22 is provided with a thread, and the nut is in threaded connection with the bearing 22 to prevent the clamping element 23 from being separated.
The auxiliary positioning bracket 4 is disposed below the V-shaped block 3, and the auxiliary positioning bracket 4 includes a bracket platform 41, a linear bearing 42 and a spring 43. The two ends of the supporting platform 41 are respectively connected to one end of a linear bearing 42, the other end of the linear bearing 42 is fixed on the horizontal base 12, and the spring 43 is sleeved on the linear bearing 42.
The support platform 41 is provided with a groove 411 at the center of the side edge far away from the V-shaped block 3, the V-shaped groove of the V-shaped block 3 and the groove 411 are located on the same perpendicular bisector, and the two are used for placing a workpiece to be processed.
The support cylinder 5 is arranged below the support platform 41, the support cylinder 5 is fixed on the horizontal base 12, the support cylinder 5 is provided with a top block 51, the top block 51 is positioned below the center of the support platform 41, and the top block 51 is in contact with the lower surface of the support platform 41.
The carriage platform 41 is pressed down so that the springs 43 contract and the long axis of the workpiece to be machined is now held against the V-grooves of the V-block 3, the leaves of the workpiece resting on the carriage platform 41 thereby supporting the workpiece, the short axis of the workpiece resting in the recess 411 of the carriage platform 41, as shown in fig. 1. After the spring rebounds, the fan blades of the workpiece abut against the V-shaped block 3, and positioning is finished.
After the workpiece is positioned, the clamping element 23 is rotated to be horizontally placed, then the oil cylinder 21 moves to drive the bearing 22 to retract, so that the clamping element 23 clamps the long shaft of the workpiece, and the workpiece is fixed and cannot be separated from the V-shaped groove of the V-shaped block 3 in the milling process. After the long shaft of the workpiece is fixed, the supporting oil cylinder 5 acts, and the jacking block 51 pushes the supporting bracket platform 41 upwards, so that the bracket platform 41 and the V-shaped block 3 clamp the fan blades of the workpiece, the workpiece is fixed, and the workpiece cannot be separated from a machining position in the milling process.
The utility model reduces the occupied area, has controllable and adjustable part processing size, reduces the error generated in the milling process, improves the production efficiency and the product quality, and reduces the production cost.
Claims (2)
1. A clamp for processing the end face of a long shaft of a crankshaft of a refrigerator compressor is characterized by comprising a base (1), a fastening element (2), a V-shaped block (3), an auxiliary positioning support (4) and a supporting oil cylinder (5);
the base (1) comprises a vertical seat (11) and a horizontal seat (12) which are vertically arranged;
the V-shaped block (3) is arranged at the top end of the vertical seat (11); the fastening element (2) is arranged on one side of the V-shaped block (3), and the fastening element (2) is fixed on the vertical seat (11);
the auxiliary positioning bracket (4) is arranged below the V-shaped block (3); the auxiliary positioning support (4) comprises a support platform (41), a linear bearing (42) and a spring (43); two ends of the support platform (41) are respectively connected with one end of a linear bearing (42), the other end of the linear bearing (42) is fixed on the horizontal seat (12), and the spring (43) is sleeved on the linear bearing (42);
a groove (411) is formed in the center of the side edge of the support platform (41) far away from the V-shaped block (3), and the V-shaped groove of the V-shaped block (3) and the groove (411) are located on the same vertical line;
the support oil cylinder (5) is arranged below the support platform (41), and the support oil cylinder (5) is fixed on the horizontal seat (12); the supporting oil cylinder (5) is provided with a top block (51); the top block (51) is positioned below the center of the support platform (41), and the top block (51) is in contact with the lower surface of the support platform (41).
2. The fixture for processing the end face of the long shaft of the crankshaft of the refrigerator compressor according to claim 1, wherein the fastening element (2) comprises an oil cylinder (21), a bearing (22) and a clamping element (23), the oil cylinder (21) is fixed on the vertical seat (11), one end of the bearing (22) is connected to the oil cylinder (21), the clamping element (23) is movably sleeved on the bearing (22), the other end of the bearing (22) is provided with a thread, and a nut is connected to the bearing (22) in a threaded manner to prevent the clamping element (23) from being disengaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122572381.9U CN216126878U (en) | 2021-10-25 | 2021-10-25 | Fixture for processing long shaft end face of refrigerator compressor crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122572381.9U CN216126878U (en) | 2021-10-25 | 2021-10-25 | Fixture for processing long shaft end face of refrigerator compressor crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216126878U true CN216126878U (en) | 2022-03-25 |
Family
ID=80773381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122572381.9U Active CN216126878U (en) | 2021-10-25 | 2021-10-25 | Fixture for processing long shaft end face of refrigerator compressor crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216126878U (en) |
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2021
- 2021-10-25 CN CN202122572381.9U patent/CN216126878U/en active Active
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