CN212371638U - Clamp for machining eccentric shaft of gear shaping machine - Google Patents
Clamp for machining eccentric shaft of gear shaping machine Download PDFInfo
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- CN212371638U CN212371638U CN202020857897.0U CN202020857897U CN212371638U CN 212371638 U CN212371638 U CN 212371638U CN 202020857897 U CN202020857897 U CN 202020857897U CN 212371638 U CN212371638 U CN 212371638U
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Abstract
The utility model discloses an anchor clamps of processing gear shaping machine eccentric shaft, including the left eccentric cover and the right eccentric cover of coaxial arrangement, wherein, be equipped with outer round hole in the left side of eccentric shaft and the outer round hole in the right side of eccentric shaft on the excircle about the eccentric shaft respectively, eccentric shaft dress clamp is in eccentric cover in a left side and the right eccentric cover, eccentric cover is inboard open-ended tubular structure in a left side, eccentric axle trepanning has been seted up to the excircle position of eccentric cover in a left side, the downthehole holding screw that is equipped with of eccentric axle, eccentric axle trepanning corresponds with the position of the outer round hole in the left side of the eccentric shaft, the outer terminal surface of eccentric cover in a left side is equipped with the centre bore, the centre bore has the same eccentricity with the eccentric shaft, right eccentric cover is the same with left eccentric cover structure, the eccentric axle trepanning of. The utility model provides high product precision and production efficiency can apply to the automated production flow, have alleviateed workman's work load, have reduced the requirement to the workman level, and make things convenient for the installation and the dismantlement in the course of working.
Description
Technical Field
The utility model belongs to the eccentric shaft processing field of technology equipment, concretely relates to anchor clamps of processing gear shaping machine eccentric shaft.
Background
With the continuous development of the gear machining industry, the precision required by the gear shaping machine is higher and higher. On the premise of ensuring the precision of each part of the gear shaping machine, how to rapidly and effectively machine the parts is required to maintain relative precision is a very important work.
Fig. 1 and 2 are views of eccentric shaft parts of a Y5120CNC gear shaping machine, the eccentric shaft is an important component of the Y5120CNC gear shaping machine, the machining precision of the eccentric shaft can not be guaranteed accurately all the time, under the condition that the eccentric distance of the eccentric shaft is too small, secondary center hole drilling can not be carried out on a workpiece, if a method of machining the eccentric part and machining the excircle of the normal center line is adopted, whether the machined eccentric excircle is accurate or not can not be guaranteed, and under the condition that the eccentric distance is too small, two center holes can not be drilled, so that the design of the clamp for the eccentric shaft is particularly important, the workload for workers to machine the eccentric shaft product is reduced, the precision and the production efficiency of the product are improved, and the requirement of the normally required goods ordering amount is.
SUMMERY OF THE UTILITY MODEL
The technical purpose is as follows: to the problem that exists among the prior art, the utility model discloses an anchor clamps of processing gear shaping machine eccentric shaft makes things convenient for the workman to process, improves production efficiency, for the Y5120CNC gear shaping machine of batch production prepares, also provides novel solution for the eccentric shaft that the eccentricity is little of other types of gear shaping machines of batch production simultaneously.
The technical scheme is as follows: the utility model adopts the following technical scheme: a clamp for processing an eccentric shaft of a gear shaping machine is characterized by comprising a left eccentric sleeve and a right eccentric sleeve which are coaxially arranged; the eccentric shaft is arranged on the left outer circle and the right outer circle of the eccentric shaft respectively, the eccentric shaft is mounted and clamped in a left eccentric sleeve and a right eccentric sleeve, the left eccentric sleeve is of a cylindrical structure with an opening at the inner side, a left eccentric sleeve hole is formed in the outer circle of the left eccentric sleeve, a set screw is arranged in the left eccentric sleeve hole, the left eccentric sleeve hole corresponds to the left outer circle of the eccentric shaft, a center hole is formed in the outer end face of the left eccentric sleeve, the center hole and the eccentric shaft have the same eccentric distance, the right eccentric sleeve is identical to the left eccentric sleeve in structure, a right eccentric sleeve hole is formed in the outer circle of the right eccentric sleeve, and the right eccentric sleeve hole corresponds to the right outer circle of the eccentric shaft.
Preferably, the set screws are screwed down to be respectively arranged in the left outer round hole of the eccentric shaft and the right outer round hole of the eccentric shaft.
Preferably, the eccentric shaft left outer round hole and the eccentric shaft right outer round hole are concave parts or holes formed in the outer circles of the left end and the right end of the eccentric shaft.
Preferably, the part of the eccentric shaft, which is in contact with the left eccentric sleeve, is in interference fit with the left eccentric sleeve; the part of the eccentric shaft, which is contacted with the right eccentric sleeve, is in interference fit with the right eccentric sleeve.
Preferably, the side sections of the left eccentric sleeve and the right eccentric sleeve are tangent circles.
Preferably, a positioning pin hole is formed in the outer side end face of the left eccentric sleeve or the right eccentric sleeve, and the center of the positioning pin hole and the normal center line of the eccentric shaft are located on the same horizontal plane.
Has the advantages that: compared with the prior art, the utility model, following beneficial effect has:
1. the utility model provides a rationalization improvement to the eccentric shaft product that the processing eccentricity is minimum and require the precision to be higher, can process the eccentric shaft of the minimum eccentricity, the design is simple but very practical and high-efficient, avoided the imprecision that bore the centre bore before and reprocess the eccentric excircle, improved product precision and production efficiency extremely, can directly apply to the automated production flow, do the bedding for automated production in the future, can satisfy the normally required volume of ordering needs;
2. the utility model reduces the workload of workers for teaching machine tools and processing eccentric shaft products, and directly reduces the requirement on the level of technical workers;
3. the utility model simplifies each part of the clamp, and is convenient for installation and disassembly in the processing process;
4. the utility model discloses a side cross-section has solved the eccentric shaft and has added the uneven problem of anchor clamps back counter weight for cutting the circle.
Drawings
FIG. 1 is a schematic structural diagram of an eccentric shaft of a Y5120CNC gear shaping machine;
FIG. 2 is a left side view of the Y5120CNC gear shaping machine eccentric shaft;
FIG. 3 is a schematic structural view of the left eccentric sleeve of the present invention;
FIG. 4 is a cross-sectional view of the left eccentric sleeve of the present invention;
FIG. 5 is a schematic structural view of the right-center eccentric sleeve of the present invention;
FIG. 6 is a cross-sectional view of the right-center eccentric sleeve of the present invention;
fig. 7 is a schematic view of the fixing assembly of the present invention;
fig. 8 is a sectional view of the left eccentric sleeve in the fixed assembly of the present invention;
the eccentric shaft comprises a left eccentric sleeve 1, a right eccentric sleeve 2, a left binding face 3, a right binding face 4, an eccentric shaft 5, a positioning pin hole 6, an eccentric shaft left outer circle hole 7, an eccentric shaft right outer circle hole 8, a left eccentric shaft sleeve hole 9, a right eccentric shaft sleeve hole 10, a set screw 11 and a center hole 12.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model discloses a clamp for processing an eccentric shaft of a gear shaping machine, as shown in figure 3, the clamp comprises a left eccentric sleeve 1 and a right eccentric sleeve 2, wherein the left eccentric sleeve 1 and the right eccentric sleeve 2 are both of a cylindrical structure with an inner side opening, the openings of the left eccentric sleeve 1 and the right eccentric sleeve 2 are just opposite and coaxially arranged, an eccentric shaft 5 is clamped in the left eccentric sleeve 1 and the right eccentric sleeve 2, a contact surface matched by the eccentric shaft 5 and the left eccentric sleeve 1 is a left binding surface 3, the contact part of the eccentric shaft 5 and the left eccentric sleeve 1 adopts G6/G6 interference fit, a left eccentric sleeve hole 9 is arranged at the excircle position of the left eccentric sleeve 1, an eccentric shaft left excircle hole 7 is arranged on the excircle at the left end of the eccentric shaft 5, a tightening screw 11 capable of being screwed is arranged in the left eccentric sleeve hole 9, the position of the left eccentric sleeve hole 9 needs to correspond to the position of the eccentric shaft left excircle hole 7, the left eccentric shaft hole 7 is a fixed hole at the left excircle position of the eccentric shaft 5, the set screw 11 is screwed down to enable the set screw 11 to be arranged in the eccentric shaft left outer round hole 7, the left eccentric sleeve 1 and the left end outer circle of the eccentric shaft 5 located on the outer portion of the left binding face 3 are not interfered with each other, a left eccentric sleeve hole 9 is formed, a central hole 12 with the same eccentric distance as the eccentric shaft 5 is formed in the outer end face of the left eccentric sleeve 1, and the central hole 12 is located right below the normal central line of the eccentric shaft 5.
Similarly, the contact surface of the eccentric shaft 5 matched with the right eccentric sleeve 2 is a right binding surface 4, the contact part of the eccentric shaft 5 and the right eccentric sleeve 2 is in interference fit with G6/G6, the outer circle position of the right eccentric sleeve 2 is provided with a right eccentric shaft sleeve hole 10, the outer circle at the right end of the eccentric shaft 5 is provided with an eccentric shaft right outer circle hole 8, the right eccentric shaft sleeve hole 10 is internally provided with a tightening screw 11 which can be tightened, the position of the right eccentric shaft sleeve hole 10 needs to correspond to the position of the eccentric shaft right outer circle hole 8, the eccentric shaft right outer circle hole 8 is a fixed hole at the right end outer circle of the eccentric shaft 5, the tightening screw 11 enables the tightening screw 11 to be arranged in the eccentric shaft right outer circle hole 8, the right eccentric sleeve 2 is not interfered with the right end outer circle of the eccentric shaft 5 positioned at the outer part of the right binding surface 4, only one right eccentric shaft sleeve hole 10 is provided, the outer end surface of the right eccentric sleeve 2 is provided with a center hole 12, and the central hole 12 is located directly below the normal centre line of the eccentric shaft 5.
The eccentric shaft left outer circle hole 7 and the eccentric shaft right outer circle hole 8 are holes with certain depth formed in the outer circles of the left end and the right end of the eccentric shaft 5, if the outer circles of the left end and the right end of the eccentric shaft 5 have certain requirements, a small concave part can be milled on the outer circles of the two ends to clamp and fix the eccentric shaft 5, at the moment, the eccentric shaft 5 does not need to be punched, and the requirements for the eccentric shaft 5 can be flexibly changed.
And a positioning pin hole 6 is formed in the outer side end face of the left eccentric sleeve 1 or the right eccentric sleeve 2, and the center of the positioning pin hole 6 and the normal center line of the eccentric shaft 5 are located on the same horizontal plane.
Considering that the eccentric shaft 5 is unevenly weighted after the left eccentric sleeve 1 and the right eccentric sleeve 2 are added, the side sections of the left eccentric sleeve 1 and the right eccentric sleeve 2 are both secant circles, and the eccentric shaft is obtained by milling the lower end of a cylinder with a circular section to a certain size. After the lower ends of the left eccentric sleeve 1 and the right eccentric sleeve 2 are milled to be partially, the balance weights at the upper ends of the left eccentric sleeve 1 and the right eccentric sleeve 2 are larger than those at the lower ends, and the balance weights at the upper ends of the left eccentric sleeve 1 and the right eccentric sleeve 2 can be properly offset with the weight of the outer circle of the eccentric shaft 5 due to the fact that the center hole is located right below the normal center line of the eccentric shaft 5 and the weight of the outer circle of the eccentric shaft 5 is deviated to the lower end, so that the balance weights in the machining process are more balanced.
When the eccentric shaft fixing device is used, the eccentric shaft is placed into the matched holes in the left eccentric sleeve and the right eccentric sleeve in the fixture, the eccentric shaft sleeve hole of the left eccentric sleeve and the left outer circular hole of the eccentric shaft as well as the eccentric shaft sleeve hole of the right eccentric sleeve and the right outer circular hole of the eccentric shaft are respectively in one-to-one correspondence, and the eccentric shaft is positioned and screwed through 2 set screws, so that the eccentric shaft is matched with the holes in the left eccentric sleeve and the right eccentric sleeve and is positioned through the set screws, and the eccentric shaft of the gear shaping machine is fixed with the fixture; the center of the machine tool clamps the eccentric shaft through clamping the center holes at the two ends of the left eccentric sleeve and the right eccentric sleeve, and meanwhile, the normal center line of the eccentric shaft is found through the pin hole of the positioning pin on the outer side end face of the left eccentric sleeve or the right eccentric sleeve, so that the excircle of the normal center line is machined.
The fixture is clamped by the tip of the machine tool through the center hole, each part of the fixture is simplified, the fixture is convenient to mount and dismount in the machining process, and high machining precision and machining efficiency can be effectively guaranteed. Workers can process the holes only by aligning the center of the center hole, and compared with the previous process of processing the eccentric part and then processing the excircle of the normal center line, the precision can be improved, the production progress can be improved, and the requirement of ordering quantity can be met. The design is not limited to the eccentric shaft of the gear shaping machine in one type, and if other eccentric shafts are machined, similar design methods are adopted.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (6)
1. A clamp for processing an eccentric shaft of a gear shaping machine is characterized by comprising a left eccentric sleeve (1) and a right eccentric sleeve (2) which are coaxially arranged; wherein, the left outer circle and the right outer circle of the eccentric shaft (5) are respectively provided with an eccentric shaft left outer round hole (7) and an eccentric shaft right outer round hole (8), the eccentric shaft (5) is clamped in the left eccentric sleeve (1) and the right eccentric sleeve (2), the left eccentric sleeve (1) is of a cylindrical structure with an opening at the inner side, a left eccentric shaft sleeve hole (9) is formed in the outer circle position of the left eccentric sleeve (1), a set screw (11) is arranged in the left eccentric shaft sleeve hole (9), the left eccentric shaft sleeve hole (9) corresponds to the left outer round hole (7) of the eccentric shaft in position, the outer end face of the left eccentric sleeve (1) is provided with a central hole (12), the central hole (12) and the eccentric shaft (5) have the same eccentricity, the right eccentric sleeve (2) is identical to the left eccentric sleeve (1) in structure, a right eccentric shaft sleeve hole (10) is formed in the outer circle position of the right eccentric sleeve (2), and the right eccentric shaft sleeve hole (10) corresponds to the right outer circular hole (8) of the eccentric shaft in position.
2. A clamp for machining eccentric shafts of gear shaping machines according to claim 1, characterized in that tightening the set screw (11) causes the set screw (11) to be placed in the eccentric shaft left outer circular hole (7) and the eccentric shaft right outer circular hole (8), respectively.
3. The clamp for machining the eccentric shaft of the gear shaping machine according to claim 1, wherein the eccentric shaft left outer circular hole (7) and the eccentric shaft right outer circular hole (8) are recesses or holes formed on the outer circles of the left and right ends of the eccentric shaft (5).
4. The clamp for machining the eccentric shaft of the gear shaping machine according to the claim 1, characterized in that the part of the eccentric shaft (5) in contact with the left eccentric sleeve (1) is in interference fit with the left eccentric sleeve (1); the part of the eccentric shaft (5) which is contacted with the right eccentric sleeve (2) is in interference fit with the right eccentric sleeve (2).
5. The clamp for machining the eccentric shaft of the gear shaping machine according to claim 1, wherein the side sections of the left eccentric sleeve (1) and the right eccentric sleeve (2) are respectively a secant circle.
6. The clamp for machining the eccentric shaft of the gear shaping machine according to claim 1, wherein a positioning pin hole (6) is formed in the outer side end face of the left eccentric sleeve (1) or the right eccentric sleeve (2), and the center of the positioning pin hole (6) and the normal center line of the eccentric shaft (5) are located on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857897.0U CN212371638U (en) | 2020-05-21 | 2020-05-21 | Clamp for machining eccentric shaft of gear shaping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857897.0U CN212371638U (en) | 2020-05-21 | 2020-05-21 | Clamp for machining eccentric shaft of gear shaping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212371638U true CN212371638U (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020857897.0U Active CN212371638U (en) | 2020-05-21 | 2020-05-21 | Clamp for machining eccentric shaft of gear shaping machine |
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| CN (1) | CN212371638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681040A (en) * | 2021-08-31 | 2021-11-23 | 贵州群建精密机械有限公司 | Eccentric shaft machining tool and machining method |
| CN114110044A (en) * | 2021-10-13 | 2022-03-01 | 三一重能股份有限公司 | Radial braking device, motor and wind driven generator |
-
2020
- 2020-05-21 CN CN202020857897.0U patent/CN212371638U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681040A (en) * | 2021-08-31 | 2021-11-23 | 贵州群建精密机械有限公司 | Eccentric shaft machining tool and machining method |
| CN114110044A (en) * | 2021-10-13 | 2022-03-01 | 三一重能股份有限公司 | Radial braking device, motor and wind driven generator |
| CN114110044B (en) * | 2021-10-13 | 2024-03-12 | 三一重能股份有限公司 | Radial braking device, motor and wind driven generator |
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