CN213970130U - Positioning device for machining gear shaft hole of automobile gearbox - Google Patents
Positioning device for machining gear shaft hole of automobile gearbox Download PDFInfo
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- CN213970130U CN213970130U CN202022202742.6U CN202022202742U CN213970130U CN 213970130 U CN213970130 U CN 213970130U CN 202022202742 U CN202022202742 U CN 202022202742U CN 213970130 U CN213970130 U CN 213970130U
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- slide
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Abstract
The utility model discloses a positioner is used in processing of motor transmission gear shaft hole, include: the fixed disk the middle part of fixed disk is rotated through the bearing frame and is provided with the screw rod, the one end of screw rod is stretched out the fixed disk and is connected with servo gear motor's motor shaft, servo gear motor passes through the fixed one side that sets up at the fixed disk of motor frame the opposite side of fixed disk is provided with the annular groove it is provided with annular slide to slide in the annular groove the annular slide stretches into the inside support that is provided with of one end in the annular groove be provided with the support sliding chamber of mutually supporting with the support in the fixed disk in the annular groove the middle part of support is provided with the swivel nut of mutually supporting with the screw rod fixed disk opposite side in the annular slide is provided with annular fixing base evenly be provided with a plurality of slide bar slide opening in the annular fixing base.
Description
Technical Field
The utility model relates to an auto-parts especially relates to a positioner is used in processing of motor transmission gear shaft hole.
Background
The gearbox is one of important accessories of an automobile, transmission is carried out in the gearbox through gears, and the gearbox gears have the characteristics of large transmission power range, high transmission efficiency and capability of randomly transmitting motion and power between two shafts, so that the effective realization of the transmission efficiency of the gears is ensured. Need carry out various processing to its shaft hole in the automobile transmission gear production process, the gear positioner who uses at present can only carry out the excircle location to the gear teeth of a cogwheel of same diameter to the realization is to the processing in shaft hole, and the location diameter is single, and application scope is little, and simultaneously, the excircle teeth of a cogwheel of bad gear is pressed from both sides easily to current positioner, leads to the gear to scrap, and the location effect is unsatisfactory, and the disability rate is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the positioning device for machining the gear shaft hole of the automobile gearbox is wide in application range.
In order to solve the technical problem, the utility model discloses a technical scheme is: positioner is used in processing of motor transmission gear shaft hole includes: the fixing disc is provided with a screw rod in the middle of the fixing disc in a rotating mode through a bearing seat, one end of the screw rod extends out of the fixing disc and is connected with a motor shaft of a servo speed reduction motor, the servo speed reduction motor is fixedly arranged on one side of the fixing disc through a motor frame, an annular groove is formed in the other side of the fixing disc, an annular sliding seat matched with the annular groove is arranged in the annular groove in a sliding mode, a support is arranged inside one end, extending into the annular groove, of the annular sliding seat, a support sliding cavity matched with the support is formed in the fixing disc in the annular groove, a threaded sleeve matched with the screw rod is arranged in the middle of the support, an annular fixing seat is arranged on the other side of the fixing disc in the annular sliding seat, a plurality of sliding rod sliding holes are uniformly formed in the annular fixing seat outside the sliding rod sliding holes, and limit block sliding holes communicated with the sliding rod sliding holes are formed in the annular fixing seat outside the sliding rod sliding holes respectively, slide bar slide in the slide bar slide opening and be provided with the slide bar rather than mutually supporting the slide bar stretch out one of the annular slide outside and serve and be provided with first slide wedge be provided with on the slide bar in the stopper slide opening with stopper slide opening sliding fit's stopper the cover is equipped with reset spring on the slide bar between stopper and the slide bar slide opening, reset spring's one end offsets with the stopper, reset spring's the other end offsets with annular fixing base the slide bar stretches into and is provided with the arc clamp splice respectively on the inboard other end of annular fixing base, and is a plurality of the arc clamp splice is constituteed one and is equipped with the not closed circular structure of axle center with the fixed disk evenly be provided with a plurality of second slide wedges with first slide wedge one-to-ones on the other end that annular groove was stretched out to the annular slide, the second slide wedge is mutually supported with first slide wedge.
In order to better solve the technical problem, the utility model discloses a further technical scheme is: an arc-shaped plastic pad is arranged on the arc-shaped clamping block.
In order to better solve the technical problem, the utility model discloses a further technical scheme is: the arc-shaped plastic pad is made of polytetrafluoroethylene materials.
The utility model has the advantages that: above-mentioned positioner is used in processing of motor transmission gear shaft hole, novel structure can carry out the excircle location to the motor transmission gear teeth of a cogwheel of different diameters to the realization is to the processing in shaft hole, and the location diameter is diversified, and application scope is wide, and simultaneously, the arc clamp splice inboard adopts polytetrafluoroethylene arc plastic pad to press from both sides tightly, can effectively protect the excircle of gear teeth of a cogwheel, and location effect is good, reduces the disability rate.
Drawings
Fig. 1 is the utility model discloses positioner is used in processing of motor transmission gear shaft hole's structural schematic.
Fig. 2 is a left side view of the structure of fig. 1.
In the figure: 1. the device comprises a fixed disc, 2, a bearing seat, 3, a screw rod, 4, a servo speed reduction motor, 5, a motor shaft, 6, a motor frame, 7, an annular groove, 8, an annular sliding seat, 9, a support, 10, a support sliding cavity, 11, a thread sleeve, 12, an annular fixed seat, 13, a sliding rod sliding hole, 14, a limiting block sliding hole, 15, a sliding rod, 16, a first wedge, 17, a limiting block, 18, a reset spring, 19, an arc-shaped clamping block, 20, a second wedge, 21 and an arc-shaped plastic pad.
Detailed Description
The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the positioning device for machining the gear shaft hole of the automobile gearbox comprises: the fixing disc 1 is provided with a screw 3 in the middle of the fixing disc 1 through a bearing seat 2 in a rotating manner, one end of the screw 3 extends out of the fixing disc 1 and is connected with a motor shaft 5 of a servo speed reduction motor 4, the servo speed reduction motor 4 is fixedly arranged on one side of the fixing disc 1 through a motor frame 6, an annular groove 7 is arranged on the other side of the fixing disc 1, an annular sliding seat 8 matched with the annular groove 7 is arranged in the annular groove 7 in a sliding manner, a support 9 is arranged in one end of the annular sliding seat 8 extending into the annular groove 7, a support sliding cavity 10 matched with the support 9 is arranged in the fixing disc 1 in the annular groove 7, a threaded sleeve 11 matched with the screw 3 is arranged in the middle of the support 9, an annular fixing seat 12 is arranged on the other side of the fixing disc 1 in the annular sliding seat 8, and a plurality of sliding rod sliding holes 13 are uniformly arranged in the annular fixing seat 12, the annular fixed seat 12 outside the slide bar slide hole 13 is internally provided with a limited block slide hole 14 communicated with the slide bar slide hole 13, the slide bar slide hole 13 is internally provided with a slide bar 15 matched with the slide bar slide hole, one end of the slide bar 15 extending out of the annular slide seat 8 is provided with a first wedge 16, the slide bar 15 inside the limited block slide hole 14 is provided with a limited block 17 matched with the limited block slide hole 14 in a sliding way, the slide bar 15 between the limited block 17 and the slide bar slide hole 13 is sleeved with a reset spring 18, one end of the reset spring 18 is abutted against the limited block 17, the other end of the reset spring 18 is abutted against the annular fixed seat 12, the other end of the slide bar 15 extending into the annular fixed seat 12 is provided with an arc-shaped clamping block 19, and the arc-shaped clamping blocks 19 form an unsealed circular structure coaxial with the fixed disk 1, a plurality of second wedges 20 which correspond to the first wedges 16 one by one are uniformly arranged at the other end of the annular sliding seat 8 extending out of the annular groove 7, and the second wedges 20 are matched with the first wedges 16.
As shown in fig. 1 and 2, in this example, an arc-shaped plastic pad 21 is disposed on the arc-shaped clamp block 19.
As shown in fig. 1 and 2, in this example, the arc-shaped plastic pad 21 is made of teflon.
When the positioning device for processing the gear shaft hole of the automobile gearbox is used, a gear is placed in a circle formed by a plurality of arc-shaped clamping blocks 19, a servo speed reducing motor 4 is started, a motor shaft 5 of the servo speed reducing motor 4 drives a screw rod 3 to rotate in a fixed disc 1 through a bearing seat 2, the screw rod 3 drives a screw sleeve 11 matched with the screw rod 3 to move leftwards, the screw sleeve 11 drives a support 9 to slide leftwards in a support sliding cavity 10, the support 9 drives an annular sliding seat 8 to slide leftwards in an annular groove 7, the annular sliding seat 8 drives a plurality of second wedges 20 to move leftwards, the second wedges 20 push a plurality of first wedges 16 matched with the second wedges to move towards the axis direction of the fixed disc 1, the plurality of first wedges 16 drive corresponding slide rods 15 to slide towards the axis direction of the fixed disc 1 in slide rod sliding holes 13, the slide rods 15 drive arc-shaped plastic pads 21 on the corresponding arc-shaped clamping blocks 19 to tightly grasp the gear teeth of the gear, meanwhile, the slide rod 15 drives the limiting block 17 to slide towards the axis direction of the fixed disc 1 in the limiting block slide hole 14 and extrude the reset spring 18, the shaft hole of the gear can be processed after clamping, after processing is completed, the servo speed reduction motor 4 reversely rotates and resets, the reset spring 18 resets, and the arc-shaped plastic pad 21 on the arc-shaped clamping block 19 is separated from the gear to realize unloading.
Above-mentioned positioner is used in processing of motor transmission gear shaft hole, novel structure can carry out the excircle location to the motor transmission gear teeth of a cogwheel of different diameters to the realization is to the processing in shaft hole, and the location diameter is diversified, and application scope is wide, and simultaneously, the arc clamp splice inboard adopts polytetrafluoroethylene arc plastic pad to press from both sides tightly, can effectively protect the excircle of gear teeth of a cogwheel, and location effect is good, reduces the disability rate.
Claims (3)
1. Positioner is used in processing of motor transmission gear shaft hole, its characterized in that: the method comprises the following steps: the fixing disc (1), a screw (3) is rotatably arranged in the middle of the fixing disc (1) through a bearing seat (2), one end of the screw (3) extends out of the fixing disc (1) and is connected with a motor shaft (5) of a servo speed reduction motor (4), the servo speed reduction motor (4) is fixedly arranged on one side of the fixing disc (1) through a motor frame (6), an annular groove (7) is formed in the other side of the fixing disc (1), an annular sliding seat (8) matched with the annular groove (7) is arranged in the annular groove (7) in a sliding mode, a support (9) is arranged inside one end, extending into the annular groove (7), of the annular sliding seat (8), a support sliding cavity (10) matched with the support (9) is formed in the fixing disc (1) in the annular groove (7), a threaded sleeve (11) matched with the screw (3) is arranged in the middle of the support (9), the annular slide seat is characterized in that an annular fixed seat (12) is arranged on the other side of a fixed disc (1) in the annular slide seat (8), a plurality of slide rod slide holes (13) are uniformly arranged in the annular fixed seat (12), stopper slide holes (14) communicated with the slide rod slide holes (13) are respectively arranged in the annular fixed seat (12) outside the slide rod slide holes (13), slide rods (15) matched with the slide rod slide holes (13) are arranged in the slide rod slide holes (13) in a sliding manner, one ends of the slide rods (15) extending out of the annular slide seat (8) are provided with first inclined wedges (16), stopper blocks (17) matched with the stopper slide holes (14) in a sliding manner are arranged on the slide rods (15) in the stopper slide holes (14), reset springs (18) are sleeved on the slide rods (15) between the stopper blocks (17) and the slide rod slide holes (13), one ends of the reset springs (18) are abutted against the stopper blocks (17), the other end of reset spring (18) offsets with annular fixing base (12) slide bar (15) stretch into and are provided with arc clamp splice (19) respectively on the other end of annular fixing base (12) inboard, a plurality of arc clamp splice (19) are constituteed one with fixed disk (1) with the axle center do not seal circular structure annular slide (8) evenly are provided with second slide wedge (20) a plurality of and first slide wedge (16) one-to-one on stretching out the other end of annular groove (7), second slide wedge (20) and first slide wedge (16) mutually support.
2. The positioning device for machining the gear shaft hole of the automobile gearbox as recited in claim 1, wherein: an arc-shaped plastic pad (21) is arranged on the arc-shaped clamping block (19).
3. The positioning device for machining the gear shaft hole of the automobile gearbox as recited in claim 2, wherein: the arc-shaped plastic pad (21) is made of polytetrafluoroethylene materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022202742.6U CN213970130U (en) | 2020-09-30 | 2020-09-30 | Positioning device for machining gear shaft hole of automobile gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022202742.6U CN213970130U (en) | 2020-09-30 | 2020-09-30 | Positioning device for machining gear shaft hole of automobile gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213970130U true CN213970130U (en) | 2021-08-17 |
Family
ID=77255375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022202742.6U Active CN213970130U (en) | 2020-09-30 | 2020-09-30 | Positioning device for machining gear shaft hole of automobile gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213970130U (en) |
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2020
- 2020-09-30 CN CN202022202742.6U patent/CN213970130U/en active Active
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