CN211028104U - Shaft sleeve chamfering lathe - Google Patents
Shaft sleeve chamfering lathe Download PDFInfo
- Publication number
- CN211028104U CN211028104U CN201921962345.XU CN201921962345U CN211028104U CN 211028104 U CN211028104 U CN 211028104U CN 201921962345 U CN201921962345 U CN 201921962345U CN 211028104 U CN211028104 U CN 211028104U
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- rear end
- rod
- piston rod
- shaft sleeve
- collet chuck
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Abstract
The utility model discloses an axle sleeve chamfer lathe, include: the frame, be equipped with the headstock in the frame, wear to be equipped with hollow main shaft in the headstock, wear to be equipped with the collet chuck in the front port of main shaft, be equipped with the knife rest in the frame, be equipped with the hollow die clamping cylinder of piston rod on the headstock rear end, both ends stretch out the front and back both ends of cylinder body respectively in the piston rod both ends, wear to be equipped with the pull rod through the support bearing installation in the piston rod, the front end of pull rod inserts the main shaft and is fixed with the collet chuck rear end, the piston rod rear end is worn out backward to the rear end of pull rod, be equipped with on the rear end of pull rod and lean on the platform, lean on and lean on the platform and press the flat face bearing on the piston rod rear end. The lathe adopts the cylinder to pull the collet chuck backwards to clamp the shaft sleeve, so that the clamping efficiency of the shaft sleeve can be greatly improved; in addition, the shaft sleeve chamfering lathe is simple in structure and is specially used for shaft sleeve chamfering, so that the equipment cost and the production cost are greatly reduced.
Description
Technical Field
The utility model relates to an internal-combustion engine slide bearing production facility, concretely relates to axle sleeve chamfer lathe.
Background
The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. Typically, the sleeve is an interference fit with the bearing seat and a clearance fit with the shaft. The chamfer on the end face of the shaft sleeve is usually processed on a common lathe, but the chamfer processed on the shaft sleeve by the common lathe has the following defects: the common lathe usually adopts a manually operated three-jaw chuck to clamp the shaft sleeve, so that the clamping efficiency of the shaft sleeve is lower, and the processing efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: will provide the axle sleeve chamfer lathe that clamping efficiency is high.
In order to solve the above problem, the utility model discloses the technical scheme who adopts does: axle sleeve chamfer lathe includes: a machine support, be provided with the headstock in the frame, wear to be equipped with a main shaft by motor drive rotation in the headstock, main shaft cavity sets up, wear to be equipped with a collet chuck in the front port of main shaft, be provided with on the main shaft front port inside wall can with the collet chuck on the conical surface matched with tighten up the conical surface, make the collet chuck can press from both sides tight axle sleeve after being driven and move backward, still be provided with the guide rail in the frame and install the knife rest on the guide rail, install the cutter that is used for turning the chamfer to the axle sleeve on the knife rest, the knife rest can make the cutter feed towards the axle sleeve that presss from both sides tightly on the main shaft front end after moving along the guide rail, thereby make the cutter can: a clamping cylinder is arranged at the rear end of the main spindle box, a cylinder body of the clamping cylinder is fixed with the main spindle box, a piston rod of the clamping cylinder is arranged in a hollow way, and two ends of the piston rod respectively extend out of the front end and the rear end of the cylinder body, a pull rod penetrates through the piston rod and is arranged in the piston rod through a supporting bearing, so that the pull rod can rotate in the piston rod, the front end of the pull rod penetrates through the spindle box and is inserted into the spindle to be fixed with the rear end of the collet chuck, the rear end of the pull rod penetrates through the rear end of the piston rod backwards, a leaning platform is arranged at the rear end of the pull rod, a plane bearing is sleeved on the pull rod between the leaning platform and the rear end of the piston rod, the leaning platform presses the plane bearing against the rear end of the piston rod, when the clamping cylinder works to enable the piston rod to move backwards, the piston rod can be moved backwards through the plane bearing and the abutment table with the pull rod and the collet chuck, so that the collet chuck can grip the shaft sleeve.
Further, the shaft sleeve chamfering lathe comprises: the rear end of the piston rod is provided with a limiting plate, after the clamping cylinder stops working and enables the collet chuck to move forwards without being pulled by the pull rod to loosen the shaft sleeve, the limiting plate can abut against the rear end of the cylinder body of the clamping cylinder to prevent the collet chuck from moving forwards continuously.
Further, the shaft sleeve chamfering lathe comprises: the limiting plate is provided with a limiting column which is fixed with the rear end of the clamping cylinder body in a penetrating manner, the limiting column is provided with a limiting block, and the limiting plate can move backwards to abut against the limiting block when the shaft sleeve is clamped by the collet chuck.
Further, the shaft sleeve chamfering lathe comprises: the limiting column is a limiting bolt in threaded connection with the rear end of the clamping cylinder body, and the limiting block is composed of two nuts which are in threaded connection with the limiting column and are mutually fastened and a spring washer positioned between the two nuts.
Further, the shaft sleeve chamfering lathe comprises: the rear end of the clamping cylinder body is provided with a rotation stopping hole, and a rotation stopping rod inserted into the rotation stopping hole and used for stopping the rotation of the piston rod is fixedly arranged on the limiting plate.
Further, the shaft sleeve chamfering lathe comprises: the abutting table is composed of a combining cap, a backing ring and a pressing cap which are sleeved on the pull rod, the combining cap and the pressing cap are in threaded connection with the pull rod, the cap is pressed on the plane bearing, the pressing cap presses the backing ring on the combining cap, and the pressing cap is also in threaded connection with a locking screw which is pressed on the backing ring.
Further, the shaft sleeve chamfering lathe comprises: the machine frame is also provided with a feeding driving device for driving the tool rest to move along the guide rail, and the structure of the feeding driving device is as follows: the rotary table is arranged on the rack, a handle used for driving the rotary table to rotate is arranged on one side of the rotary table, a driving rod is arranged between the rotary table and the knife rest, one end of the driving rod is hinged to the knife rest, the other end of the driving rod is hinged to one side of the rotary table, and the rotary table can push and pull the knife rest through the driving rod after being rotated, so that the knife rest moves along the guide rail.
Further, the shaft sleeve chamfering lathe comprises: belt pulleys are fixedly sleeved on the main shaft and the output shaft of the motor, and the motor drives the main shaft to rotate through the belt.
Further, the shaft sleeve chamfering lathe comprises: the tool rest is in threaded connection with an ejector rod, the ejector rod is located between the tool rest and the spindle box, the ejector rod can abut against the spindle box after the shaft sleeve is turned and chamfered by a tool, so that the tool is prevented from continuing to feed, and a driving block which is convenient for rotating the ejector rod is arranged on the ejector rod.
The utility model has the advantages that: the shaft sleeve chamfering lathe of the utility model adopts the cylinder to pull the collet chuck backwards to clamp the shaft sleeve, so that the clamping efficiency of the shaft sleeve can be greatly improved, and the processing efficiency of shaft sleeve chamfering is greatly improved; additionally, axle sleeve chamfer lathe simple structure, be used for the axle sleeve chamfer specially for equipment cost and manufacturing cost greatly reduced.
Drawings
Fig. 1 is the structure schematic diagram of the shaft sleeve chamfering lathe of the present invention.
Fig. 2 is a schematic top view of the structure of fig. 1.
Fig. 3 is an enlarged schematic view of a portion a in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
As shown in fig. 1 and 3, a shaft sleeve chamfering lathe includes: a frame 1, a main shaft box 2 is arranged on the frame 1, a main shaft 3 driven by a motor 31 to rotate is arranged in the main shaft box 2 in a penetrating way, the main shaft 3 is arranged in a hollow way, a collet chuck 4 is arranged in the front port of the main shaft 3 in a penetrating way, a tightening conical surface matched with the conical surface on the collet chuck 4 is arranged on the inner side wall of the front port of the main shaft 3, so that the collet chuck 4 can clamp a shaft sleeve after being driven to move backwards, a guide rail 5 and a tool rest 6 arranged on the guide rail 5 are also arranged on the frame 1, a tool used for turning and chamfering the shaft sleeve is arranged on the tool rest 6, the tool rest 6 can feed the tool to the shaft sleeve clamped on the front end of the main shaft 3 after moving along the guide rail 5, so that the tool can turn and chamfer the shaft sleeve, a clamping cylinder 7 is arranged on the rear end of the main shaft box 2, the, and two ends of the piston rod 71 respectively extend out of the front end and the rear end of the cylinder body, a pull rod 8 penetrates through the piston rod 71, the pull rod 8 is installed in the piston rod 71 through a supporting bearing 81, so that the pull rod 8 can rotate in the piston rod 71, the supporting shaft sleeve 81 can be a rolling bearing or a sliding bearing, the front end of the pull rod 8 penetrates through the spindle box 2 to be inserted into the spindle 3 and fixed with the rear end of the collet chuck 4, the rear end of the pull rod 8 penetrates out of the rear end of the piston rod 71 backwards, an abutting table 9 is arranged on the rear end of the pull rod 8, a plane bearing 91 is sleeved on the pull rod 8 between the abutting table 9 and the rear end of the piston rod 71, the abutting table 9 presses the plane bearing 91 against the rear end of the piston rod 71, a worker can enable the clamping cylinder 7 to work after stepping on a control pedal of the clamping cylinder 7, when the clamping cylinder 7 works to enable the piston rod 71 to move backwards, the piston rod 71 can drive, thereby enabling the collet 4 to grip the sleeve. After the machining is finished, a worker needs to loosen the control pedal so that the collet chuck 4 can loosen the shaft sleeve.
In this embodiment, a stop plate 92 is provided at the rear end of the piston rod 71, and after the clamping cylinder 7 stops working and the collet 4 moves forward to release the sleeve without being pulled by the pull rod 8, the stop plate 92 will stop the collet 4 from moving forward by abutting against the rear end of the cylinder body of the clamping cylinder 7. This is provided, on the one hand, to prevent the collet 4 from moving forward out of the spindle 3 and, on the other hand, to enable the collet 4 to grip the spindle sleeve with a quick response.
A limiting column 93 fixed with the rear end of the cylinder body of the clamping cylinder 7 penetrates through the limiting plate 92, a limiting block 94 is arranged on the limiting column 93, and the limiting plate 92 moves backwards to abut against the limiting block 94 when the collet chuck 4 clamps the shaft sleeve. This is provided to prevent the collet 4 from clamping the deformed sleeve due to excessive pulling force of the cylinder.
The limiting post 93 is a limiting bolt screwed on the rear end of the cylinder body of the clamping cylinder 7, and the limiting block 94 is composed of two nuts 941 screwed on the limiting post 94 and tightly jointed with each other, and a spring washer 942 arranged between the two nuts 941. The limiting block 94 is arranged in such a way that the front and rear positions of the limiting block 94 can be adjusted.
A rotation stop hole 72 is provided at the rear end of the cylinder body of the clamp cylinder 7, and a rotation stop rod 73 inserted into the rotation stop hole 72 to stop the rotation of the piston rod 71 is fixedly provided to the stopper plate 92. During turning, the spindle 3 rotates with the collet 4, the sleeve and the pull rod 8, the pull rod 8 cannot rotate with the piston rod 71 due to the plane bearing 91 and the support bearing 81 arranged between the pull rod 8 and the piston rod 71, but the piston rod 71 is not fixed, so that the piston rod 71 can slowly rotate under the driving of friction force in the bearings, and the rotation stopping rod 73 and the rotation stopping hole 72 are arranged for preventing the piston rod 71 from rotating.
The abutting table 9 is composed of a combining cap 95, a backing ring 96 and a pressing cap 97 which are sleeved on the pull rod 8, the combining cap 95 and the pressing cap 97 are in threaded connection with the pull rod 8, the cap 95 is pressed on the plane bearing 91, the pressing cap 97 presses the backing ring 96 on the combining cap 95, and the pressing cap 97 is further in threaded connection with a locking screw 971 which is pressed on the backing ring 96. This is provided in order for the abutment table 9 to reliably press the flat bearing 91 against the rear end of the piston rod 71.
In the present embodiment, the machine frame 1 is further provided with a feed driving device for driving the tool post 6 to move along the guide rail 5, and as shown in fig. 1 and 2, the feed driving device has a structure that: a rotary table 61 is provided on the frame 1, a handle 62 for driving the rotary table 61 to rotate is provided on one side of the rotary table 61, a driving rod 63 is provided between the rotary table 61 and the tool post 6, one end of the driving rod 63 is hinged to the tool post 6, and the other end of the driving rod 63 is hinged to one side of the rotary table 61, so that the tool post 6 can be pushed or pulled by the driving rod 63 after the rotary table 61 rotates, thereby moving the tool post 6 along the guide rail 5. After the arrangement, a worker can conveniently drive the tool rest 6 to feed in a labor-saving manner, and the lathe is simple in structure, so that the cost of the lathe is greatly reduced.
The belt pulley 32 is fixedly sleeved on the output shafts of the main shaft 3 and the motor 31, and the motor 31 drives the main shaft 3 to rotate through the belt 33, so that the cost of the lathe can be greatly reduced after the arrangement.
The tool rest 1 is in threaded connection with an ejector rod 64, the ejector rod 64 is located between the tool rest 6 and the spindle box 2, after a tool turns and chamfers a shaft sleeve, the ejector rod 64 can abut against the spindle box 2, so that the tool is prevented from continuing to feed, a driving block 65 which is convenient for rotating the ejector rod 64 is arranged on the ejector rod 64, and the driving block 65 is arranged for facilitating the wrench to rotate the ejector rod 64 so as to adjust the position of the rear end of the ejector rod 64.
Claims (9)
1. Axle sleeve chamfer lathe includes: a machine support, be provided with the headstock in the frame, wear to be equipped with a main shaft by motor drive rotation in the headstock, main shaft cavity sets up, wear to be equipped with a collet chuck in the front port of main shaft, be provided with on the main shaft front port inside wall can with the collet chuck on the conical surface matched with tighten up the conical surface, make the collet chuck can press from both sides tight axle sleeve after being driven and move backward, still be provided with the guide rail in the frame and install the knife rest on the guide rail, install the cutter that is used for turning the chamfer to the axle sleeve on the knife rest, the knife rest can make the cutter feed towards the axle sleeve that presss from both sides tightly on the main shaft front end after moving along the guide rail, thereby make the cutter can: a clamping cylinder is arranged at the rear end of the main spindle box, a cylinder body of the clamping cylinder is fixed with the main spindle box, a piston rod of the clamping cylinder is arranged in a hollow way, and two ends of the piston rod respectively extend out of the front end and the rear end of the cylinder body, a pull rod penetrates through the piston rod and is arranged in the piston rod through a supporting bearing, so that the pull rod can rotate in the piston rod, the front end of the pull rod penetrates through the spindle box and is inserted into the spindle to be fixed with the rear end of the collet chuck, the rear end of the pull rod penetrates through the rear end of the piston rod backwards, a leaning platform is arranged at the rear end of the pull rod, a plane bearing is sleeved on the pull rod between the leaning platform and the rear end of the piston rod, the leaning platform presses the plane bearing against the rear end of the piston rod, when the clamping cylinder works to enable the piston rod to move backwards, the piston rod can be moved backwards through the plane bearing and the abutment table with the pull rod and the collet chuck, so that the collet chuck can grip the shaft sleeve.
2. The shaft sleeve chamfering lathe according to claim 1, wherein: the rear end of the piston rod is provided with a limiting plate, after the clamping cylinder stops working and enables the collet chuck to move forwards without being pulled by the pull rod to loosen the shaft sleeve, the limiting plate can abut against the rear end of the cylinder body of the clamping cylinder to prevent the collet chuck from moving forwards continuously.
3. The shaft sleeve chamfering lathe according to claim 2, wherein: the limiting plate is provided with a limiting column which is fixed with the rear end of the clamping cylinder body in a penetrating manner, the limiting column is provided with a limiting block, and the limiting plate can move backwards to abut against the limiting block when the shaft sleeve is clamped by the collet chuck.
4. The shaft sleeve chamfering lathe according to claim 3, wherein: the limiting column is a limiting bolt in threaded connection with the rear end of the clamping cylinder body, and the limiting block is composed of two nuts which are in threaded connection with the limiting column and are mutually fastened and a spring washer positioned between the two nuts.
5. The shaft sleeve chamfering lathe according to claim 2, wherein: the rear end of the clamping cylinder body is provided with a rotation stopping hole, and a rotation stopping rod inserted into the rotation stopping hole and used for stopping the rotation of the piston rod is fixedly arranged on the limiting plate.
6. The shaft sleeve chamfering lathe according to claim 1, 2, 3, 4 or 5, wherein: the abutting table is composed of a combining cap, a backing ring and a pressing cap which are sleeved on the pull rod, the combining cap and the pressing cap are in threaded connection with the pull rod, the cap is pressed on the plane bearing, the pressing cap presses the backing ring on the combining cap, and the pressing cap is also in threaded connection with a locking screw which is pressed on the backing ring.
7. The shaft sleeve chamfering lathe according to claim 1, 2, 3, 4 or 5, wherein: the machine frame is also provided with a feeding driving device for driving the tool rest to move along the guide rail, and the structure of the feeding driving device is as follows: the rotary table is arranged on the rack, a handle used for driving the rotary table to rotate is arranged on one side of the rotary table, a driving rod is arranged between the rotary table and the knife rest, one end of the driving rod is hinged to the knife rest, the other end of the driving rod is hinged to one side of the rotary table, and the rotary table can push and pull the knife rest through the driving rod after being rotated, so that the knife rest moves along the guide rail.
8. The shaft sleeve chamfering lathe according to claim 1, 2, 3, 4 or 5, wherein: belt pulleys are fixedly sleeved on the main shaft and the output shaft of the motor, and the motor drives the main shaft to rotate through the belt.
9. The shaft sleeve chamfering lathe according to claim 1, 2, 3, 4 or 5, wherein: the tool rest is in threaded connection with an ejector rod, the ejector rod is located between the tool rest and the spindle box, the ejector rod can abut against the spindle box after the shaft sleeve is turned and chamfered by a tool, so that the tool is prevented from continuing to feed, and a driving block which is convenient for rotating the ejector rod is arranged on the ejector rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921962345.XU CN211028104U (en) | 2019-11-14 | 2019-11-14 | Shaft sleeve chamfering lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921962345.XU CN211028104U (en) | 2019-11-14 | 2019-11-14 | Shaft sleeve chamfering lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211028104U true CN211028104U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921962345.XU Active CN211028104U (en) | 2019-11-14 | 2019-11-14 | Shaft sleeve chamfering lathe |
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| Country | Link |
|---|---|
| CN (1) | CN211028104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211055A (en) * | 2022-01-11 | 2022-03-22 | 合肥波林新材料股份有限公司 | Self-lubricating axle sleeve chamfer device |
-
2019
- 2019-11-14 CN CN201921962345.XU patent/CN211028104U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211055A (en) * | 2022-01-11 | 2022-03-22 | 合肥波林新材料股份有限公司 | Self-lubricating axle sleeve chamfer device |
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