CN220446295U - Positioning device for gear machining - Google Patents
Positioning device for gear machining Download PDFInfo
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- CN220446295U CN220446295U CN202322051651.0U CN202322051651U CN220446295U CN 220446295 U CN220446295 U CN 220446295U CN 202322051651 U CN202322051651 U CN 202322051651U CN 220446295 U CN220446295 U CN 220446295U
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- 230000007246 mechanism Effects 0.000 claims abstract description 34
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- 230000000670 limiting effect Effects 0.000 claims description 16
- 244000309464 bull Species 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
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- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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Abstract
The utility model relates to the technical field of gear machining, in particular to a positioning device for gear machining, which comprises a positioning base, a perforation, an external fixing mechanism and an internal fixing mechanism, wherein the internal fixing mechanism slides in the middle of the perforation, the internal fixing mechanism comprises a movable seat, a lifting assembly, a rotating assembly and three internal positioning blocks, the external fixing mechanism comprises three external positioning blocks and three telescopic assemblies, and the external fixing mechanism can tightly support and fix the outer side of a gear through the arrangement of the external fixing mechanism, so that the inner side of the gear is convenient to machine, the inner side of the gear can be tightly supported and fixed through the arrangement of the internal fixing mechanism, the outer shell of the gear is convenient to machine, the integrated positioning of the outer ring and the inner ring of the gear can be realized, the positioning device is not required to be replaced in the machining process, time and labor are saved, and the efficiency of gear machining is improved.
Description
Technical Field
The utility model relates to the technical field of gear machining, in particular to a positioning device for gear machining.
Background
The gear is a mechanical element with teeth on the rim, and can continuously engage and transmit motion and power, and when the gear is processed, the gear needs to be positioned by utilizing the positioning device, so that the stability of the gear in the processing process is ensured, and the normal processing of the gear is further ensured.
The Chinese patent publication No. CN212286168U discloses a positioning device for processing a transmission gear, wherein clamping plates are arranged on two sides of the gear, and the two clamping plates can be contacted with the gear and can be positioned by moving the two clamping plates.
The positioning device for processing the transmission gear is characterized in that the two clamping plates are utilized to process and position the outer ring of the gear, and the positioning device can be used for positioning the gear, but is not beneficial to the processing of the outer ring of the gear when the outer ring of the gear is required to be processed, the positioning device is required to be replaced, the integrated positioning of the processing of the outer ring and the inner ring of the gear cannot be realized, the gear processing efficiency is greatly reduced by continuously replacing the positioning device, and the positioning device for processing the gear is provided for the present.
Disclosure of Invention
The present utility model is directed to a positioning device for gear processing, which solves the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the positioning device for gear machining comprises a positioning base, a perforation, an external fixing mechanism and an internal fixing mechanism;
the inner fixing mechanism slides in the middle of the through hole, the inner fixing mechanism comprises a movable seat, a lifting assembly, a rotating assembly and three inner positioning blocks, the movable seat slides in the through hole, the three inner positioning blocks are annularly and equidistantly arranged at the top end of the movable seat, the rotating assembly is positioned between the movable seat and the three inner positioning blocks, and the lifting assembly is positioned between the movable seat and the positioning base;
the external fixing mechanism comprises three external positioning blocks and three telescopic assemblies, the three external positioning blocks are annularly and equidistantly arranged at the top end of the positioning base, and each telescopic assembly is arranged between the positioning base and one external positioning block.
As a further scheme of the utility model: the rotating assembly comprises a connecting rod, a rotating rod, a motor, a mounting seat, three inner sliding grooves, three inner sliding blocks, three poking rods and three strip-shaped grooves;
the surface of each inner positioning block below the movable seat is provided with an inner sliding groove, each inner sliding block slides in the inner part of one inner sliding groove, each inner positioning block is arranged at the top end of one inner sliding block, each poking rod is arranged at the bottom end of one inner sliding block, each bar-shaped groove is sleeved on one poking rod, and the poking rod slides in the bar-shaped groove;
the bull stick passes through the bearing and rotates in the bottom face of removing the seat, and the mount pad is fixed in the bottom of removing the seat, and the motor is fixed in on the mount pad, and the output of motor and the tip fixed connection of bull stick, connecting rod are fixed in the surface of bull stick, every bar groove all with connecting rod fixed connection.
As a further scheme of the utility model: the lifting assembly comprises a first cylinder, a plurality of guide holes and a plurality of guide rods;
the first cylinder is located the bottom of removing the seat and installs on the positioning base, and the output and the removal seat fixed connection of first cylinder, a plurality of guiding hole are cyclic annular equidistance and offer in the surface of removing the seat, and the inside of every guiding hole all sliding connection has a guide bar, and the top of every guide bar all is with positioning base fixed connection.
As a further scheme of the utility model: each telescopic component comprises an outer sliding groove, an outer sliding block and a second cylinder;
the outer sliding groove is formed in the surface of the positioning base, the outer sliding block slides in the outer sliding groove, the outer positioning block is arranged at the top end of the outer sliding block, the second air cylinder is arranged on one side of the positioning base, and the output end of the second air cylinder penetrates through the positioning base and is fixedly connected with the outer sliding block.
As a further scheme of the utility model: and a limiting tooth is arranged on one side of the outer positioning block, which is far away from the second cylinder.
As a further scheme of the utility model: the outer positioning block is detachably connected with the outer sliding block through bolts.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the positioning device for gear machining, the outer side of the gear can be abutted and fixed through the outer fixing mechanism, so that the inner side of the gear can be machined conveniently, the inner side of the gear can be abutted and fixed through the inner fixing mechanism, the outer shell of the gear can be machined conveniently, the outer ring and the inner ring of the gear can be machined integrally, the positioning device does not need to be replaced in the machining process, time and labor are saved, and the gear machining efficiency is improved.
2. According to the positioning device for gear machining, the limiting teeth are arranged on one side, close to the gears, of the outer positioning blocks, when the gears are positioned, the limiting teeth can be clamped into the meshing grooves between two teeth in the gears, the limiting effect is achieved, the gears are prevented from rotating in the middle of the three outer positioning blocks, the positioning effect on the gears is improved, and normal machining work is facilitated.
3. According to the positioning device for gear machining, the outer positioning block and the outer sliding block are detachably connected through the bolts, so that the outer positioning block is convenient to replace, the limiting teeth are convenient to replace, the corresponding limiting teeth can be replaced according to the shapes of the teeth on the gear, and the application range of the positioning device is favorably improved.
4. According to the positioning device for gear machining, when the inner side of the gear is positioned, the positioning block is contacted with the inner side wall of the gear, the transverse abutting force is applied to the gear, and meanwhile, under the action of the lifting assembly, the positioning block can move downwards, so that the surface of the positioning block can be contacted with the end face of the gear, the vertical abutting force is applied to the gear, and the positioning of the gear is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic view of the working state of the internal fixing mechanism in the present utility model.
Fig. 3 is a schematic view of the working state of the external fixing mechanism in the utility model.
Fig. 4 is a schematic structural view of an internal fixing mechanism in the present utility model.
Fig. 5 is a schematic structural diagram of an internal fixing mechanism in the present utility model.
Fig. 6 is an enlarged schematic view of the portion a of fig. 5 according to the present utility model.
Fig. 7 is a schematic structural view of an external fixing mechanism in the present utility model.
Fig. 8 is an enlarged schematic view of the portion B of fig. 7 according to the present utility model.
Wherein: 11. positioning a base; 12. perforating; 13. a movable seat; 14. an inner chute; 15. an inner slide; 16. positioning blocks; 17. a toggle rod; 18. a bar-shaped groove; 19. a connecting rod; 20. a rotating rod; 21. a motor; 22. a mounting base; 23. a first cylinder; 24. an outer chute; 25. an outer slider; 26. an outer positioning block; 27. limit teeth; 28. a guide hole; 29. a guide rod; 30. and a second cylinder.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
The present utility model provides the following preferred embodiments:
in the first embodiment, as shown in fig. 1 to 8, a positioning device for gear processing comprises a positioning base 11, a perforation 12, an external fixing mechanism and an internal fixing mechanism;
the inner fixing mechanism slides in the middle of the through hole 12, the through hole 12 provides avoidance space for the inner fixing mechanism, the inner fixing mechanism comprises a movable seat 13, a lifting assembly, a rotating assembly and three inner positioning blocks 16, the movable seat 13 slides in the through hole 12, the three inner positioning blocks 16 are annularly and equidistantly arranged at the top end of the movable seat 13, the rotating assembly is positioned between the movable seat 13 and the three inner positioning blocks 16, and the lifting assembly is positioned between the movable seat 13 and the positioning base 11; the rotating component is used for driving the three positioning blocks 16 to move, so that the positioning blocks 16 can be in contact with the inner sides of the gears and can be used for realizing the abutting and fixing of the gears, and the lifting component is used for driving the rotating component, the moving seat 13 and the three positioning blocks 16 to move and move to the inner sides of the positioning bases 11, so that the inner sides of the positioning bases 11 can be conveniently machined subsequently;
the outer fixing mechanism comprises three outer positioning blocks 26 and three telescopic components, the three outer positioning blocks 26 are annularly and equidistantly arranged at the top end of the positioning base 11, each telescopic component is arranged between the positioning base 11 and one outer positioning block 26, each telescopic component can drive one outer positioning block 26 to move, when the outer positioning block 26 moves towards one side close to the gear, the outer side of the gear can be abutted and fixed, the inner side of the gear is convenient to process, when the outer side of the gear is required to be processed, the inner fixing mechanism works to fix the inner side of the gear, meanwhile, the telescopic components drive the outer positioning blocks 26 to move, so that the outer positioning blocks 26 move towards one side far away from the gear, the outer side of the gear is far away from the gear, and the outer side of the gear is convenient to process;
through setting up external fixation mechanism, can support tightly fixedly to the outside of gear to be convenient for process the inboard of gear, through setting up internal fixation mechanism, can support tightly fixedly to the inboard of gear, thereby be convenient for process the shell of gear, can realize the integration location to gear outer lane and inner circle processing, need not to change positioner in the course of working, labour saving and time saving is favorable to improving the efficiency of gear processing.
As shown in fig. 1-8, the rotating assembly comprises a connecting rod 19, a rotating rod 20, a motor 21, a mounting seat 22, three inner sliding grooves 14, three inner sliding blocks 15, three toggle rods 17 and three bar-shaped grooves 18;
an inner sliding groove 14 is formed in the surface of the movable seat 13 below each inner positioning block 16, each inner sliding block 15 slides in one inner sliding groove 14, each inner positioning block 16 is arranged at the top end of one inner sliding block 15, each toggle rod 17 is arranged at the bottom end of one inner sliding block 15, each bar-shaped groove 18 is sleeved on one toggle rod 17, the toggle rod 17 slides in the bar-shaped groove 18, and the bar-shaped grooves 18 are obliquely arranged;
the rotating rod 20 rotates on the bottom end surface of the movable seat 13 through a bearing, the mounting seat 22 is fixed on the bottom end of the movable seat 13, the motor 21 is fixed on the mounting seat 22, the output end of the motor 21 is fixedly connected with the end part of the rotating rod 20, the connecting rod 19 is fixed on the surface of the rotating rod 20, and each bar-shaped groove 18 is fixedly connected with the connecting rod 19;
when the inner side of the gear needs to be positioned, firstly, the lifting assembly is utilized, so that three inner positioning blocks 16 can pass through the through holes 12 to move to the inner side of the gear, then the motor 21 is controlled to work, the motor 21 can drive the rotating rod 20 to rotate, the rotating rod 20 drives the bar-shaped groove 18 to rotate through the connecting rod 19, and since the toggle rod 17 slides in the bar-shaped groove 18, the bar-shaped groove 18 is obliquely arranged, when the bar-shaped groove 18 rotates, the toggle rod 17 can be driven to move along the length direction of the inner sliding groove 14, and then the inner sliding block 15 can be driven to slide in the inner sliding groove 14, the inner sliding block 15 can drive the inner positioning blocks 16 to move, so that the inner positioning blocks 16 can be contacted with the inner side walls of the gear, transverse abutting force can be applied to the gear, meanwhile, under the action of the lifting assembly, the inner positioning blocks 16 can also realize downward movement, so that the surface of the inner positioning blocks 16 can be contacted with the end faces of the gear, vertical abutting force can be applied to the gear, and the positioning of the gear is favorably improved.
As shown in fig. 1 to 8, the lifting assembly includes a first cylinder 23, a plurality of guide holes 28, and a plurality of guide bars 29;
the first cylinder 23 is located the bottom of removing seat 13 and installs on positioning base 11, the output and the removal seat 13 fixed connection of first cylinder 23, a plurality of guiding hole 28 are cyclic annular equidistance and offer in the surface of removing seat 13, the inside of every guiding hole 28 is all sliding connection has a guide bar 29, the top of every guide bar 29 all with positioning base 11 fixed connection, when needs make removal seat 13 go up and down, control first cylinder 23 work, first cylinder 23 can drive removal seat 13 and go up and down, when removal seat 13 goes up and down, utilize the sliding connection between guiding hole 28 and the guide bar 29, can realize the guide effect when going up and down to removal seat 13, stability in the removal process of removal seat 13 is improved.
As shown in fig. 1-8, each telescoping assembly includes an outer chute 24, an outer slide 25, and a second cylinder 30;
the outer sliding groove 24 is formed in the surface of the positioning base 11, the outer sliding block 25 slides in the outer sliding groove 24, the outer positioning block 26 is arranged at the top end of the outer sliding block 25, the second air cylinder 30 is arranged at one side of the positioning base 11, and the output end of the second air cylinder 30 passes through the positioning base 11 and is fixedly connected with the outer sliding block 25;
when the outer side of the gear needs to be fixed, the second air cylinder 30 is controlled to work, the second air cylinder 30 can drive the outer sliding block 25 to slide in the outer sliding groove 24, the outer sliding block 25 can drive the outer positioning block 26 to move, the outer positioning block 26 can tightly prop against the limiting teeth 27, and the gear is fixed.
As shown in fig. 1-8, a limiting tooth 27 is arranged on one side, far away from the second cylinder 30, of the outer positioning block 26, when the gear is positioned, the outer positioning block 26 can drive the limiting tooth 27 to move when moving, so that the limiting tooth 27 is clamped into the inside of a meshing groove between two teeth in the gear, the limiting effect is achieved, the gear is prevented from rotating in the middle of the three outer positioning blocks 26, the positioning effect on the gear is improved, and normal processing of processing work is facilitated.
As shown in fig. 1-8, the outer positioning block 26 and the outer sliding block 25 are detachably connected through bolts, the outer positioning block 26 is convenient to replace, the limiting teeth 27 are convenient to replace, the corresponding limiting teeth 27 can be replaced according to the shape of the teeth on the gear, for example, when the bevel gear is required to be positioned, the limiting teeth 27 can be replaced into a shape matched with the meshing grooves between two teeth on the bevel gear, and the application range of the positioning device is favorably improved.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.
Claims (6)
1. The positioning device for gear machining comprises a positioning base (11), and is characterized by further comprising a perforation (12), an external fixing mechanism and an internal fixing mechanism;
the inner fixing mechanism slides in the middle of the through hole (12), the inner fixing mechanism comprises a movable seat (13), a lifting assembly, a rotating assembly and three inner positioning blocks (16), the movable seat (13) slides in the through hole (12), the three inner positioning blocks (16) are annularly and equidistantly arranged at the top end of the movable seat (13), the rotating assembly is positioned between the movable seat (13) and the three inner positioning blocks (16), and the lifting assembly is positioned between the movable seat (13) and the positioning base (11);
the external fixing mechanism comprises three external positioning blocks (26) and three telescopic assemblies, the three external positioning blocks (26) are annularly and equidistantly arranged at the top end of the positioning base (11), and each telescopic assembly is arranged between the positioning base (11) and one external positioning block (26).
2. The positioning device for gear machining according to claim 1, wherein the rotating assembly comprises a connecting rod (19), a rotating rod (20), a motor (21), a mounting seat (22), three inner slide grooves (14), three inner slide blocks (15), three toggle rods (17) and three bar-shaped grooves (18);
an inner sliding groove (14) is formed in the surface of the movable seat (13) below each inner positioning block (16), each inner sliding block (15) slides in one inner sliding groove (14), each inner positioning block (16) is arranged at the top end of one inner sliding block (15), each poking rod (17) is arranged at the bottom end of one inner sliding block (15), each bar-shaped groove (18) is sleeved on one poking rod (17), and each poking rod (17) slides in one bar-shaped groove (18);
the bull stick (20) rotate in the bottom face of removing seat (13) through the bearing, and mount pad (22) are fixed in the bottom of removing seat (13), and motor (21) are fixed in on mount pad (22), and the output of motor (21) and the tip fixed connection of bull stick (20), connecting rod (19) are fixed in the surface of bull stick (20), and every bar groove (18) all is connected with connecting rod (19) fixed.
3. A positioning device for gear machining according to claim 2, characterized in that the lifting assembly comprises a first cylinder (23), a number of guide holes (28) and a number of guide rods (29);
the first air cylinder (23) is located the bottom of removing seat (13) and installs on location base (11), and the output of first air cylinder (23) is with remove seat (13) fixed connection, and a plurality of guiding hole (28) are cyclic annular equidistance and are seted up on the surface of removing seat (13), and the inside of every guiding hole (28) all sliding connection has a guide bar (29), and the top of every guide bar (29) all is with location base (11) fixed connection.
4. A positioning device for gear machining according to claim 3, characterized in that each telescopic assembly comprises an outer chute (24), an outer slide (25), and a second cylinder (30);
the outer sliding groove (24) is formed in the surface of the positioning base (11), the outer sliding block (25) slides in the outer sliding groove (24), the outer positioning block (26) is arranged at the top end of the outer sliding block (25), the second air cylinder (30) is arranged on one side of the positioning base (11), and the output end of the second air cylinder (30) penetrates through the positioning base (11) and is fixedly connected with the outer sliding block (25).
5. The positioning device for gear machining according to claim 4, wherein the side of the outer positioning block (26) away from the second cylinder (30) is provided with a limiting tooth (27).
6. The positioning device for gear machining according to claim 5, wherein the outer positioning block (26) and the outer slide block (25) are detachably connected by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322051651.0U CN220446295U (en) | 2023-08-01 | 2023-08-01 | Positioning device for gear machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322051651.0U CN220446295U (en) | 2023-08-01 | 2023-08-01 | Positioning device for gear machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220446295U true CN220446295U (en) | 2024-02-06 |
Family
ID=89736336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322051651.0U Active CN220446295U (en) | 2023-08-01 | 2023-08-01 | Positioning device for gear machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220446295U (en) |
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2023
- 2023-08-01 CN CN202322051651.0U patent/CN220446295U/en active Active
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