CN210475757U - Gear clamp adopting coaxial positioning auxiliary mode and being suitable for different inner diameters - Google Patents
Gear clamp adopting coaxial positioning auxiliary mode and being suitable for different inner diameters Download PDFInfo
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- CN210475757U CN210475757U CN201921292159.XU CN201921292159U CN210475757U CN 210475757 U CN210475757 U CN 210475757U CN 201921292159 U CN201921292159 U CN 201921292159U CN 210475757 U CN210475757 U CN 210475757U
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Abstract
The utility model provides a gear clamp which adopts a coaxial positioning auxiliary mode and can adapt to different inner diameters, comprising an installation shaft, a positioning and clamping auxiliary part and a clamping part, wherein the installation shaft is vertically installed on a machine tool; the gear that can be applicable to different internal diameters treats the machined part for need not to change the lathe at the gear of processing different internal diameters, application scope is wider, and location centre gripping auxiliary member can make the gear treat the coaxial precision between machined part and the installation axle better simultaneously, even the gear treats that the positional deviation between machined part and the lathe is littleer, in addition, location centre gripping auxiliary member can also assist the clamping piece and press from both sides tightly the gear.
Description
Technical Field
The invention relates to the field of gear machining, in particular to a gear clamp.
Background
In the prior art, generally outwards extend gear fixture upper end for the anchor clamps size can adapt to the gear size of required processing, in order to reach make full use of equipment, and the effect of saving cost, nevertheless so do to have following problem, because the size of anchor clamps is greater than the size of swivel work head in the gear machining equipment, makes anchor clamps edge produce an overturning moment, makes the machining precision of gear not high, and has reduced the machining efficiency of gear, for this reason, the utility model provides a gear fixture, it not only can be suitable for the gear of different internal diameters to treat the clamp of machined part tightly, can also effectively avoid the gear to treat that the condition that the crackle appears in the machined part/outer lane takes place.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a gear clamp which is not only suitable for clamping gears to be machined with different inner diameters, but also capable of effectively avoiding the occurrence of cracks on the inner ring and the outer ring of the gears to be machined.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The gear clamp adopts a coaxial positioning auxiliary mode and is suitable for gear clamps with different inner diameters, and comprises an installation shaft, a positioning clamping auxiliary part and a clamping part, wherein the installation shaft is vertically installed on a machine tool;
the positioning and clamping auxiliary part comprises a positioning body in a ring body structure provided with an inner cavity, and the positioning body is coaxially and fixedly arranged outside the mounting shaft;
the positioning and clamping auxiliary part further comprises a driving body, the driving body is composed of two groups of driving discs in a circular structure and is respectively a first driving disc/a second driving disc, the first driving disc is coaxially and movably arranged outside the inner annular wall of the positioning body through a bearing, the second driving disc and the first driving disc are coaxially arranged, the second driving disc is positioned outside the first driving disc, a linkage area coaxially arranged with the positioning body is formed in an area between an outer ring of the first driving disc and an inner ring of the second driving disc, a fastening support is arranged between lower discs of the first driving disc/the second driving disc, and the first driving disc and the second driving disc are fixedly connected;
the linkage area of the driving body can be divided into three groups of linkage sections with one-third period, each linkage section comprises a first linkage groove, a second linkage groove and a third linkage groove which are sequentially arranged, the three groups of linkage grooves are arc-shaped ring groove structures which are eccentrically arranged with the positioning body and are concave towards the circle center of the positioning body, the maximum distance between the first linkage groove, the second linkage groove and the third linkage groove and the circle center of the positioning body is the first linkage groove, the second linkage groove and the third linkage groove sequentially from small to large, transition grooves which are arc-shaped ring groove structures synchronously arranged with the positioning body are arranged between the first linkage groove, the second linkage groove and the third linkage groove, the adjacent transition grooves are connected through the transition grooves, and the three groups of linkage sections are sequentially connected end to form the;
the upper end surface of the positioning body is coaxially provided with a avoidance hole, the upper end surface of the driving body is coaxially provided with a rotating shaft in a ring body structure, the top end of the rotating shaft penetrates through the avoidance hole and is positioned right above the positioning body, and the top end of the rotating shaft is coaxially fixed with a tightening block which is in a regular hexagon shape and can be tightened by a wrench;
the positioning and clamping auxiliary part also comprises a dial, the dial is coaxially and movably arranged outside the rotating shaft, a fastener is arranged between the dial and the upper end surface of the positioning body and is coaxially and fixedly connected with the dial through the fastener, and a pointer matched with the dial is also arranged outside the rotating shaft;
the excircle face of location body seted up the through hole, location centre gripping auxiliary member still include the supporting rod, the one end of supporting rod is provided with the protruding and interlock of interlock and is located the interlock district of driving body, the other end passes the through hole and stretches out to the location body outside and this end is the conflict end, the supporting rod is provided with three groups along the circumferencial direction array of location body and wears to establish the pore pair and should have seted up three groups, the initial condition of three groups of supporting rods is the protruding head end that corresponds the interlock section that is located three groups respectively of interlock, and the zero point of the directional calibrated scale of pointer this moment.
As a further improvement of the present solution.
The conflict end of supporting rod be fixed with grip block and grip block correspondence and be provided with three groups, the grip block is the arc plate structure and three groups of grip blocks that are coaxial arrangement with the location body and constitute the complete ring plate structure with the coaxial arrangement of the location body jointly.
As a further improvement of the present solution.
The clamping part comprises a clamping bolt and a clamping disc, the clamping disc is coaxially and fixedly arranged outside the positioning body and is positioned below the clamping plate, the clamping bolt and the outer circular surface of the positioning body are arranged in a threaded connection mode, and the clamping bolt is positioned above the clamping plate.
Compared with the prior art, the positioning and clamping auxiliary piece has the advantages that the positioning and clamping auxiliary piece is applicable to gears with different inner diameters to be machined, so that the machine tool does not need to be replaced when the gears with different inner diameters are machined, the application range is wider, meanwhile, the positioning and clamping auxiliary piece can enable the coaxial precision between the gear to be machined and the installation shaft to be better, and even if the position deviation between the gear to be machined and the machine tool is smaller, the positioning and clamping auxiliary piece can also assist the clamping piece to clamp the gears.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following embodiments will be provided
The drawings that need to be used are briefly introduced, it being clear that the drawings in the following description are only some embodiments of the invention, and that further drawings can be derived from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the positioning and clamping auxiliary member of the present invention.
Fig. 3 is a schematic structural view of the driving body and the clamping rod according to the present invention.
Labeled as:
10. installing a shaft;
20. positioning and clamping auxiliary parts; 21. a drive body; 211. a first linkage groove; 212. a second linkage groove; 213. a third linkage groove; 214. a transition groove; 22. a clamping rod; 23. a clamping plate; 24. a rotating shaft; 25. screwing the block; 26. a dial scale;
30. clamping the disc; 40. and clamping the bolt.
Detailed Description
The technical scheme in the embodiment of the invention will be clear and complete by combining the attached drawings in the embodiment of the invention
In the description, it is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the gear clamp which adopts a coaxial positioning auxiliary manner and is adaptable to gear clamps with different inner diameters includes an installation shaft 10, a positioning clamping auxiliary member 20, and a clamping member, wherein the installation shaft 10 is vertically installed on a machine tool, the positioning clamping auxiliary member 20 is coaxially installed outside the installation shaft 10 and is used for coaxially positioning and clamping to gear workpieces with different inner diameters, and the clamping member is used for clamping the gear workpieces after coaxial positioning.
As shown in fig. 2-3, the positioning and clamping auxiliary member 20 includes a positioning body in a circular ring structure with an inner cavity, and the positioning body is coaxially and fixedly mounted outside the mounting shaft 10.
The positioning and clamping auxiliary member 20 further comprises a driving body 21, the driving body 21 is composed of two sets of driving discs in a circular structure and is respectively a first driving disc/a second driving disc, specifically, the first driving disc is coaxially and movably mounted outside the inner annular wall of the positioning body through a bearing, the second driving disc and the first driving disc are coaxially arranged and are positioned outside the first driving disc, an interlocking area coaxially arranged with the positioning body is formed in an area between an outer ring of the first driving disc and an inner ring of the second driving disc, a fastening support is arranged between lower discs of the first driving disc/the second driving disc, and the first driving disc and the second driving disc are fixedly connected through the fastening support.
The driving body 21 has a first driving section including a first driving groove 211, a second driving groove 212, and a third driving groove 213, wherein the first driving groove 211, the second driving groove 212, and the third driving groove 213 are sequentially disposed, and are arc-shaped annular groove structures that are eccentrically disposed with the positioning body and are concave toward the center of the positioning body, the maximum distance between the first driving groove/second/third driving groove and the center of the positioning body is sequentially from small to large, the first driving groove 211, the second driving groove 212, and the third driving groove 213 are disposed between the first driving groove/second driving groove and the positioning body, and a transition groove 214 having an arc-shaped annular groove structure that is synchronously disposed with the positioning body is disposed between the first driving groove/second driving groove and the positioning body and is connected and communicated through the transition groove 214, and the three driving sections are sequentially connected and communicated end.
The up end of location body still coaxial the having seted up dodge the hole, the up end coaxial of driving body 21 be provided with pivot 24 that is the torus structure and the top of pivot 24 pass dodge the hole and lie in the location body directly over to the coaxial tightening block 25 that is regular hexagon and can be screwed up by the spanner that is fixed with in the top of pivot 24.
Location centre gripping auxiliary 20 still include calibrated scale 26, the coaxial movable mounting of calibrated scale 26 is in the pivot 24 outsidely, be provided with the fastener between calibrated scale 26 and the location body up end and carry out coaxial fixed connection through the fastener between the two, the outside of pivot 24 still is provided with calibrated scale 26 assorted pointer.
The excircle face of the location body seted up the through hole, location centre gripping auxiliary member 20 still include supporting rod 22, supporting rod 22's one end is provided with that the interlock is protruding and the interlock is protruding to be located the interlock district of driving body 21, the other end passes the through hole and stretches out to the location external portion and this end is the conflict end, supporting rod 22 is provided with three groups along the circumferencial direction array of the location body and wears to establish the pore pair and has seted up three groups, three groups of supporting rod 22's initial condition is that the interlock is protruding to correspond the head end that is located three groups of interlock sections respectively to the zero point of pointer directional calibrated scale 26 this moment.
The conflict end of supporting rod 22 be fixed with grip block 23 and correspond and be provided with three groups, grip block 23 is the arc plate structure of coaxial arrangement and three groups of grip block 23 constitute the complete ring plate structure with the coaxial arrangement of the locating body jointly with the locating body.
As shown in fig. 1, the clamping member includes a clamping bolt 30, a clamping disk 40, the clamping disk 40 is coaxially and fixedly mounted on the outer portion of the positioning body, the clamping disk 40 is located below the clamping plate 23, the clamping bolt 30 is threadedly mounted on the outer circumferential surface of the positioning body, and the clamping bolt 30 is located above the clamping plate 23.
When the actual gear is clamped, a worker horizontally places a gear to-be-machined part on the clamping disc 30, the gear to-be-machined part is positioned outside the positioning and clamping auxiliary part 20, then the worker cooperates with the tightening block 25 through a wrench and other existing tools to rotate the rotating shaft 24, the rotating shaft 24 rotates and pulls the driving body 21 to synchronously rotate, the driving body 21 rotates for a proper degree according to the inner diameter of the gear to-be-machined part and by reading the numerical value of the dial 26, finally the interlocking protrusions are positioned at the points of the interlocking grooves I/II/III farthest from the circle center of the positioning body, the clamping plate 23 abuts against the inner ring of the gear to-be-machined part, meanwhile, the whole gear clamp is axially vertical to the ground, so that the positioning and clamping auxiliary part 20 does not shake after abutting against the inner ring of the gear to-be-machined part in the gear machining process, and then the gear to-be-machined part can, after the gear teeth are machined, the gear can be taken out by reversely screwing the screwing block 25/the clamping bolt 40; the positioning and clamping auxiliary 20 has the significance that the positioning and clamping auxiliary 20 can be applied to gears to be machined with different inner diameters, so that the machine tool does not need to be replaced when the gears with different inner diameters are machined, the application range is wider, meanwhile, the positioning and clamping auxiliary 20 can enable the coaxial precision between the gear to be machined and the mounting shaft 10 to be better, and even if the position deviation between the gear to be machined and the machine tool is smaller, the positioning and clamping auxiliary 20 can also assist a clamping part to clamp the gear; the gear clamp can be used for clamping and tightly supporting the gears with three different inner diameters to be machined, and the clamping and tightly supporting of the gears with different inner diameters to be machined can be realized by increasing and decreasing the number of the linkage grooves in the driving body 21 through the actual conditions of workers.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (5)
1. The gear clamp is characterized by comprising an installation shaft, a positioning and clamping auxiliary part and a clamping part, wherein the installation shaft is vertically installed on a machine tool;
the positioning and clamping auxiliary part comprises a positioning body in a ring body structure provided with an inner cavity, and the positioning body is coaxially and fixedly arranged outside the mounting shaft;
the positioning and clamping auxiliary part further comprises a driving body, the driving body is composed of two groups of driving discs in a circular structure and is respectively a first driving disc/a second driving disc, the first driving disc is coaxially and movably arranged outside the inner annular wall of the positioning body through a bearing, the second driving disc and the first driving disc are coaxially arranged, the second driving disc is positioned outside the first driving disc, a linkage area coaxially arranged with the positioning body is formed in an area between an outer ring of the first driving disc and an inner ring of the second driving disc, a fastening support is arranged between lower discs of the first driving disc/the second driving disc, and the first driving disc and the second driving disc are fixedly connected;
the linkage area of the driving body can be divided into three groups of linkage sections with one-third period, each linkage section comprises a first linkage groove, a second linkage groove and a third linkage groove which are sequentially arranged, the three groups of linkage grooves are arc-shaped ring groove structures which are eccentrically arranged with the positioning body and are concave towards the circle center of the positioning body, the maximum distance between the first linkage groove, the second linkage groove and the third linkage groove and the circle center of the positioning body is the first linkage groove, the second linkage groove and the third linkage groove sequentially from small to large, transition grooves which are arc-shaped ring groove structures synchronously arranged with the positioning body are arranged between the first linkage groove, the second linkage groove and the third linkage groove, the adjacent transition grooves are connected through the transition grooves, and the three groups of linkage sections are sequentially connected end to form the;
the up end of location body still coaxial the having seted up dodge the hole, the up end of driving body coaxial be provided with the pivot that is the torus structure and the top of pivot pass dodge the hole and lie in the location body directly over to the top coaxial be fixed with of pivot be regular hexagon and can be by the tightening piece that the spanner was screwed up.
2. The gear clamp which adopts the coaxial positioning auxiliary mode and can adapt to the gear clamps with different inner diameters as claimed in claim 1, wherein the positioning clamping auxiliary piece further comprises a dial, the dial is coaxially and movably arranged outside the rotating shaft, a fastening piece is arranged between the dial and the upper end surface of the positioning body and is coaxially and fixedly connected with the dial through the fastening piece, and a pointer matched with the dial is further arranged outside the rotating shaft.
3. The gear clamp adopting the coaxial positioning assistance manner and being adaptable to different inner diameters as claimed in claim 2, wherein a through hole is formed in an outer circumferential surface of the positioning body, the positioning and clamping assistance member further comprises a clamping rod, one end of the clamping rod is provided with three sets of interlocking protrusions, the interlocking protrusions are located in the interlocking area of the driving body, the other end of the clamping rod penetrates through the through hole and extends out of the positioning body, the end of the clamping rod is a contact end, the clamping rod is provided with three sets of through holes corresponding to the three sets of the interlocking protrusions along a circumferential direction array of the positioning body, the three sets of the clamping rods are in an initial state, the interlocking protrusions are respectively located at head ends of the three sets of the interlocking sections, and the pointer points to a zero.
4. The gear clamp adopting the coaxial positioning auxiliary mode and being adaptable to different inner diameters as claimed in claim 3, wherein clamping plates are fixed to the abutting ends of the clamping rods and three groups of clamping plates are correspondingly arranged, the clamping plates are arc plate structures coaxially arranged with the positioning body, and the three groups of clamping plates jointly form a complete circular plate structure coaxially arranged with the positioning body.
5. The gear clamp which adopts the coaxial positioning auxiliary mode and can adapt to the gear clamps with different inner diameters is characterized in that the clamping piece comprises a clamping bolt and a clamping disc, the clamping disc is coaxially and fixedly arranged on the outer portion of the positioning body and is positioned below the clamping plate, the clamping bolt is arranged between the outer circular surface of the positioning body and the outer circular surface of the positioning body in a threaded connection mode, and the clamping bolt is positioned above the clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292159.XU CN210475757U (en) | 2019-08-12 | 2019-08-12 | Gear clamp adopting coaxial positioning auxiliary mode and being suitable for different inner diameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292159.XU CN210475757U (en) | 2019-08-12 | 2019-08-12 | Gear clamp adopting coaxial positioning auxiliary mode and being suitable for different inner diameters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210475757U true CN210475757U (en) | 2020-05-08 |
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ID=70536098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921292159.XU Active CN210475757U (en) | 2019-08-12 | 2019-08-12 | Gear clamp adopting coaxial positioning auxiliary mode and being suitable for different inner diameters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210475757U (en) |
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2019
- 2019-08-12 CN CN201921292159.XU patent/CN210475757U/en active Active
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