CN215966731U - Special machine tool fixture for deburring and loading and unloading parts - Google Patents
Special machine tool fixture for deburring and loading and unloading parts Download PDFInfo
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- CN215966731U CN215966731U CN202121099896.5U CN202121099896U CN215966731U CN 215966731 U CN215966731 U CN 215966731U CN 202121099896 U CN202121099896 U CN 202121099896U CN 215966731 U CN215966731 U CN 215966731U
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Abstract
The utility model provides a special machine tool fixture for deburring and loading and unloading parts, belongs to the technical field of machine tools, does not need to stop when a workpiece is installed, and can realize that a main shaft does not stop to replace the workpiece by lightly dialing a shifting fork by hands to connect an external operating handle. The machine tool clamp comprises a fixing plate, a shifting fork, a handle, an arc-shaped fork plate, a blocking cover, a bearing, an adjusting nut and an internal pull rod; the arc fork plate is fixed with the middle section of the shifting fork; the inner side of the circular arc fork plate is embedded into an annular groove at the periphery of the sliding sleeve; one end of the inner pull rod is connected with the spring chuck in a penetrating way, and the periphery of the other end of the inner pull rod is sleeved with an adjusting nut, a bearing, a stop cover and a sliding sleeve in sequence; a slight left axial force drives the spring chuck to compress, and the workpiece is clamped by the locking force generated by compression; and conversely, the handle 6 is slightly pulled rightwards, so that the spring chuck is loosened under the action of the axial force, and the workpiece can be taken out without stopping.
Description
Technical Field
The utility model belongs to the technical field of machine tools, relates to a special machine tool for deburring of clock gear shaft parts, and particularly relates to a special machine tool clamp for assembling and disassembling gear shaft parts.
Background
At present, the clock gear shaft part deburring machine tool is the Soviet Union processing equipment in the last 50 th century, and is used for deburring of gear shaft parts of products such as companies 217, 820, 822 and 120. The original equipment has two, and after long-term overload operation, one of the mechanical precision is seriously worn and is stopped. The engineering design of the early equipment of the Soviet Union is poor, and the operation and adjustment are complicated. In the deburring process of a single workpiece, a pedal metal pedal is adopted by a traditional process equipment machine tool to apply an axial force to a locking spring of a main shaft pull rod through a pressing block of a link lever, the spring is stressed to push a clamping spring at the end of the pull rod to loosen the workpiece, then a workpiece foot is put in and released from the pedal to clamp the workpiece, and the action is performed once every workpiece foot is done. The labor intensity of operators is high, and the operators cannot meet the production requirements of various, large-batch and high-efficiency production.
Burrs appear after the gear hobbing of the clock gear shaft part, the hardness of the burrs is increased after the surface is quenched, and burrs on the end face need to be removed by using a burr cutter. In the deburring process of a single workpiece, the traditional process equipment adopts a pedal metal pedal to apply a longitudinal force to a locking spring of a main shaft pull rod through a pressing block of a link lever, so that the spring is stressed to push a clamping spring at the end of the pull rod to loosen the workpiece, then a workpiece foot is put in and released from the pedal to clamp the workpiece, and the action is performed once every workpiece foot is done. Because the number of parts needing to be deburred is large (3000 parts in shift production and 70 ten thousand parts need to be processed in 2021), the labor intensity of workers is high, and the deburring efficiency is further reduced.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is as follows: the special fixture is designed and manufactured, the special machine tool fixture for removing burrs of parts is provided, a workpiece can be taken out without stopping, and the workpiece does not need to be stopped when being installed. The shifting fork is slightly pulled by hand to be connected with an external operating handle, so that the main shaft can replace the workpiece without stopping.
The technical scheme of the utility model is as follows: the special machine tool fixture for deburring and loading and unloading parts is characterized by comprising a fixing plate, a shifting fork, a handle, an arc-shaped fork plate, a baffle cover, a bearing, an adjusting nut and an internal pull rod; the upper end of the shifting fork is connected with the handle through threads, the shifting fork is sleeved outside the arc-shaped fork plate, and the arc-shaped fork plate is fixed with the middle section of the shifting fork; the inner side of the circular arc fork plate is embedded into an annular groove at the periphery of the sliding sleeve; one end of the inner pull rod penetrates through a spindle hole of the machine tool and is connected with the spring chuck, and an adjusting nut, a bearing, a stop cover and a sliding sleeve are sequentially sleeved on the periphery of the other end of the inner pull rod; the fixed plate is hinged with the bottom of the shifting fork and fixed on the machine tool spindle body.
Further, the arc-shaped fork plate is in sliding contact with the concave side of the annular groove of the sliding sleeve, and the sliding sleeve is in sliding contact with the inner pull rod.
Further, when the external operating handle is slightly pulled leftwards by hand, the shifting fork drives the arc-shaped fork plate and the sliding sleeve 5 to move leftwards.
Further, the pull rod is connected with the spring chuck through threads.
Further, the spring chuck is fixed with the machine tool spindle body through Morse 5 taper.
Furthermore, the fixing plate is hinged with the bottom of the shifting fork through a positioning pin.
Further, the fixed plate and the machine tool spindle body are fixed on the machine tool body through fastening screws.
Furthermore, the shifting fork is fixedly connected with the arc-shaped fork plate through a screw, and the fixing screw is arranged in the middle of the shifting fork.
Further, the circular arc fork plate is U-shaped.
Further, the sliding sleeve is cylindrical, and the periphery of the sliding sleeve is provided with an annular groove.
The working principle of the utility model is as follows:
a special clamp drives a shifting fork to slightly move leftwards by utilizing a handle, the shifting fork drives an arc-shaped fork plate to move leftwards, and at the moment, the arc-shaped fork plate pushes a sliding sleeve, a bidirectional thrust ball bearing and a bearing blocking cover and also drives a pull rod to move leftwards. The end part of the pull rod is provided with an elastic clamp spring through threads, and the clamp spring is fixed with the machine tool body through Morse No. 5 taper. The tail part of the pull rod is provided with a double-nut mechanism which is mainly used for adjusting the elasticity of the spring chuck. When the pull rod moves leftwards, the elastic clamping spring is stressed to compress and clamp the workpiece, otherwise, the handle is loosened rightwards, the elastic clamping spring expands, the workpiece is taken out without stopping, and the workpiece is not required to be stopped when being installed.
The utility model has the technical effects that:
1. the clamp is simple to install and adjust, the main shaft can be replaced by slightly dialing the handle without stopping, the labor intensity of operators is greatly reduced, and the clamp is completely suitable for the production requirements of multiple varieties, large batch and high efficiency. The utility model adopts a modular design, and when individual parts are worn, corresponding parts can be replaced in time.
2. The tail part of the main shaft pull rod is provided with a double-nut mechanism which is mainly used for adjusting the clamping force of the spring chuck; when the elastic chuck cannot clamp the workpiece tightly in the using process, the locking nut is moved axially through adjustment, so that the pull rod of the pull spindle moves axially inwards, and the workpiece can be locked.
3. The clamp is simple and ingenious in manufacturing process and low in machining cost, and is particularly suitable for deburring machining of large-batch clock gear shaft parts.
Drawings
FIG. 1 is a schematic view of a relaxed three-dimensional structure of a special machine tool fixture for deburring and assembling clock gear shaft parts, provided by the utility model;
FIG. 2 is an exploded view of the three-dimensional structure of the tool holder for removing burrs of the parts of the timepiece gear shaft
FIG. 3 is a three-dimensional structural diagram of the special machine tool fixture for deburring and assembling clock gear shaft parts, provided by the utility model;
FIG. 4 is an exploded view of the three-dimensional structure of the special machine tool fixture for deburring and loading and unloading the parts of the clock gear shaft;
FIG. 5 is a two-dimensional assembly diagram of the special machine tool fixture for deburring and assembling the parts of the clock gear shaft;
wherein the components in fig. 5 are detailed:
1: a fixing plate; 2: a shifting fork; 3: a pull rod; 4: a blocking cover; 5: a sliding sleeve; 6: a handle; 7: a circular arc fork plate; 8: positioning pins; 9: fastening the screw 10: bearing 11: adjusting the nut 12: machine tool spindle body 13: spring chuck
Detailed Description
The technical scheme of the utility model is further described in detail by combining the accompanying drawings as follows:
the special machine tool fixture for loading and unloading the part for deburring comprises a fixing plate 1, a shifting fork 2, a handle 6, an arc-shaped fork plate 7, a blocking cover 4, a bearing 10, an adjusting nut 12 and an internal pull rod 3; the upper end of the shifting fork 2 is connected with the handle 6 through threads, the shifting fork 2 is sleeved outside the arc-shaped fork plate 7, and the arc-shaped fork plate 7 is fixed with the middle section of the shifting fork 2; the inner side of the circular arc fork plate 7 is embedded into an annular groove at the periphery of the sliding sleeve 5; one end of the inner pull rod 3 penetrates through a spindle hole of a machine tool and is in threaded connection with a collet chuck 13, and the periphery of the other end of the inner pull rod 3 is sleeved with an adjusting nut 12, a bearing 10, a stop cover 4 and a sliding sleeve 5 in sequence; the fixed plate 1 is hinged with the bottom of the shifting fork 2, and the fixed plate 1 is fixed on the machine tool spindle body 12.
The technical scheme of the utility model is described in detail as follows:
as shown in fig. 2 and 4, the special machine tool fixture mechanism for deburring and assembling the clock gear shaft part comprises: the external control module, the internal tie rod module connected with the external control module, and the base fixing module.
As shown in fig. 2, the external manipulation module includes: the shifting fork 2 and an external operating handle 6 which are connected together through threads; and a circular arc fork plate 7 for applying an axial force to the inner module pull rod. One end of the arc fork plate 7 is hinged with the shifting fork 2 through a screw 9, and the other end of the arc fork plate is in contact with the inner side of the sliding sleeve 5 of the inner pull rod module;
the internal steering link module includes: a baffle cover 4, a bearing 10, an adjusting nut 12 and an inner pull rod 3. One end of the inner pull rod 3 is in threaded connection with a spring chuck 13, the sliding sleeve 5 is in contact with a circular arc fork plate 7 in the external control module, and the sliding sleeve 5 is in sliding contact with the inner pull rod 3.
The base fixes the module. The method comprises the following steps: a fixed plate 1 and a machine tool main shaft body 12; the fixed plate 1 is hinged with the bottom of a shifting fork 2 of an external control module through a positioning pin 9, and the fixed plate 1 and a machine tool spindle body 12 are fixed on the machine tool body through fastening screws.
An operating handle 6 in the external control module is fixedly connected with the top of a shifting fork 2 through threads, the shifting fork 2 is fixedly connected with a circular arc fork plate 7 through a screw 8, and a fixing screw is arranged in the middle of the shifting fork 2; the shifting fork 2 is fixedly connected with the fixing plate 1 through a positioning pin 9, and the position of the positioning pin 9 is arranged at the bottom of the shifting fork 2. When the operating handle 6 is pulled, the shifting fork 2, the arc-shaped fork plate 7 and the positioning pin 9 keep tiny follow-up, and the fixing plate 1 is not moved. The arc-shaped fork plate 7 keeps sliding contact with the concave side of the sliding sleeve 5 of the inner pull rod module, and the sliding sleeve 5 keeps sliding contact with the inner pull rod 3, so that the external operating handle 6, the shifting fork 2, the arc-shaped fork plate 7, the sliding sleeve 5, the bearing 10, the blocking cover 4 and the pull rod 3 are linked together; when the external operating handle 6 is slightly pulled leftwards by hand, the shifting fork 2 drives the arc-shaped fork plate 7, the sliding sleeve 5, the bearing 10, the stop cover 4 and the pull rod 3 to move leftwards. The pull rod 3 is connected with a spring chuck 13 through threads, and the chuck is fixed with a machine tool spindle body through Morse 5 taper. A slight left axial force drives the spring chuck to compress, and the workpiece is clamped by the locking force generated by compression; and conversely, the handle 6 is slightly pulled rightwards, so that the spring chuck is loosened under the action of the axial force, and the workpiece can be taken out without stopping.
The action process and principle of the utility model are as follows:
the special machine tool fixture for deburring and assembling the clock gear shaft parts is fixed on the main shaft base body. When the handle 6 is not moved, the shifting fork 2, the arc-shaped fork plate 7, the sliding sleeve 5, the bearing 10 and the pull rod 3 do not displace. The collet chuck 11 is fixed with the machine tool main shaft body through Morse No. 5 taper without compression, the clamp mechanism is in a relaxed state, and a workpiece can be installed by hand at this time; when the external operating handle 6 is slightly pulled leftwards by the left hand, the handle 6 drives the shifting fork 2, the arc-shaped fork plate 7, the sliding sleeve 5, the bearing 10, the stop cover 4 and the pull rod 3 to move leftwards; the spring chuck 13 connected with the end of the pull rod and the main shaft body are matched with the conical surface to be compressed inwards, so that a workpiece arranged on the spring chuck is in a clamping state. Then the tailstock connecting rod mechanism provided with the burr cutter is dialed by the right hand to contact with the workpiece to remove the end surface burrs. On the contrary, the handle 6 is slightly pulled rightwards by the left hand, the handle 6 drives the shifting fork 2, the arc-shaped fork plate 7, the sliding sleeve 5, the bearing 10, the blocking cover 4 and the pull rod 3 to move rightwards, the spring chuck 13 connected with the end part of the pull rod and the machine tool spindle body 12 are matched with the conical surface to expand outwards, the workpiece can be taken out without stopping, then the workpiece is manually placed on or placed off, and the actions are repeated.
The special machine tool fixture mechanism for deburring and assembling the clock gear shaft part has the following specific working states:
1. clamping operation
An external operating handle 6 is slightly pulled leftwards, and the handle 6 drives a shifting fork 2, an arc-shaped fork plate 7, a sliding sleeve 5, a bearing 10, a blocking cover 4 and a pull rod 3 to move leftwards; the collet chuck 13 connected with the end of the pull rod and the machine tool spindle body 12 are compressed inwards in a matching conical surface, so that a workpiece arranged on the collet chuck is in a clamping state, as shown in fig. 3 and 4.
2. Relaxing operation
The handle 6 is slightly pulled rightwards, the handle 6 drives the shifting fork 2, the arc-shaped fork plate 7, the sliding sleeve 5, the bearing 10, the blocking cover 4 and the pull rod 3 to move rightwards, the spring chuck connected with the end part of the pull rod and the matched conical surface of the main shaft body expand outwards, and a workpiece can be taken out in a loosening mode without stopping, as shown in figures 1 and 2.
3. Regulating operation
The tail part of the pull rod is provided with a double-nut mechanism which is mainly used for adjusting the clamping force of the spring chuck. When a workpiece is not clamped tightly in the using process, the two adjusting nuts 11 are utilized, axial pre-tightening force generated by relative axial displacement is utilized, the inner pull rod 3 slightly moves outwards along the axial direction through the baffle cover 4, the bearing 10 and the sliding sleeve 5 in the inner control pull rod module, and the spring chuck 13 connected with the end part of the pull rod and the machine tool spindle body 12 are matched with the conical surface to compress inwards so as to increase the locking force and play a role in clamping the workpiece.
Claims (10)
1. The special machine tool clamp for removing burrs of parts is characterized by comprising a fixing plate (1), a shifting fork (2), a handle (6), an arc-shaped fork plate (7), a blocking cover (4), a bearing (10), an adjusting nut (12) and an internal pull rod (3);
the upper end of the shifting fork (2) is connected with the handle (6) through threads, the shifting fork (2) is sleeved outside the arc-shaped fork plate (7), and the arc-shaped fork plate (7) is fixed with the middle section of the shifting fork (2); the inner side of the circular arc fork plate (7) is embedded into an annular groove at the periphery of the sliding sleeve (5);
one end of the inner pull rod (3) penetrates through a spindle hole of a machine tool and is connected with a collet chuck (13), and an adjusting nut (12), a bearing (10), a stop cover (4) and a sliding sleeve (5) are sleeved on the periphery of the other end of the inner pull rod (3) in sequence;
the fixed plate (1) is hinged with the bottom of the shifting fork (2), and the fixed plate (1) is fixed on the machine tool spindle body (12).
2. The special machine tool fixture for part deburring loading and unloading according to claim 1, wherein the arc-shaped fork plate (7) is in sliding contact with the concave side of the annular groove of the sliding sleeve (5), and the sliding sleeve (5) is in sliding contact with the inner pull rod (3).
3. The special machine tool fixture for part deburring loading and unloading as claimed in claim 1, wherein when the external operating handle is slightly pulled leftwards by hand, the shifting fork drives the circular arc fork plate and the sliding sleeve 5 to move leftwards.
4. The special machine tool clamp for part deburring loading and unloading of claim 1, wherein the pull rod is connected with the spring chuck through threads.
5. The special machine tool fixture for part deburring loading and unloading as claimed in claim 1, wherein the collet chuck is fixed with the machine tool spindle body through morse 5 taper.
6. The special machine tool clamp for part deburring loading and unloading of claim 1, wherein the fixing plate is hinged with the bottom of the shifting fork through a positioning pin.
7. The special machine tool fixture for part deburring loading and unloading as claimed in claim 1, wherein the fixing plate and the machine tool spindle body are fixed on the machine tool body through fastening screws.
8. The special machine tool clamp for part deburring loading and unloading of claim 1, wherein the shifting fork is fixedly connected with the circular arc-shaped fork plate through a screw, and the fixing screw is arranged in the middle of the shifting fork.
9. The special machine tool fixture for part deburring loading and unloading according to claim 1, wherein the circular arc-shaped fork plate (7) is U-shaped.
10. The special machine tool fixture for part deburring loading and unloading as claimed in claim 1, wherein the sliding sleeve (5) is cylindrical and has an annular groove on the periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121099896.5U CN215966731U (en) | 2021-05-21 | 2021-05-21 | Special machine tool fixture for deburring and loading and unloading parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121099896.5U CN215966731U (en) | 2021-05-21 | 2021-05-21 | Special machine tool fixture for deburring and loading and unloading parts |
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| Publication Number | Publication Date |
|---|---|
| CN215966731U true CN215966731U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121099896.5U Active CN215966731U (en) | 2021-05-21 | 2021-05-21 | Special machine tool fixture for deburring and loading and unloading parts |
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| CN (1) | CN215966731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116852214A (en) * | 2023-08-11 | 2023-10-10 | 无锡市海峰海林精密轴承有限公司 | Device and method for grinding inclined groove of swing rod bearing |
-
2021
- 2021-05-21 CN CN202121099896.5U patent/CN215966731U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116852214A (en) * | 2023-08-11 | 2023-10-10 | 无锡市海峰海林精密轴承有限公司 | Device and method for grinding inclined groove of swing rod bearing |
| CN116852214B (en) * | 2023-08-11 | 2024-02-13 | 无锡市海峰海林精密轴承有限公司 | Device and method for grinding inclined groove of swing rod bearing |
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