CN112677187A - Steel ball replaceable spline shaft nylon shaping tooth side positioning device - Google Patents
Steel ball replaceable spline shaft nylon shaping tooth side positioning device Download PDFInfo
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- CN112677187A CN112677187A CN202011431303.0A CN202011431303A CN112677187A CN 112677187 A CN112677187 A CN 112677187A CN 202011431303 A CN202011431303 A CN 202011431303A CN 112677187 A CN112677187 A CN 112677187A
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- nylon
- steel ball
- shaping cutter
- circumferential positioning
- nylon shaping
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Abstract
The invention discloses a steel ball replaceable spline shaft nylon shaping tooth side positioning device which mainly comprises a nylon shaping cutter die holder and the like, wherein a nylon shaping cutter is arranged in the center of the nylon shaping cutter die holder and is fixed at the upper part by a nylon shaping cutter pressing plate, a lower tip is arranged in a center hole of the nylon shaping cutter die holder, an upper tip is arranged right above the lower tip, a machining part is clamped between the upper tip and the lower tip, the nylon shaping cutter is positioned at the outer side of the machining part, a linear sliding block is arranged at one side of the nylon shaping cutter pressing plate and is connected with a wire inlet sliding rail, the lower part of a circumferential positioning block is connected to the end part of the wire inlet sliding rail, and a circumferential positioning steel ball is fixed on the circumferential positioning block. The invention improves the circumferential positioning stability of the spline shaft surface nylon coating during shaping, improves the wear resistance and maintainability of the device, can realize the repeated use of the positioning steel ball, can keep the positioning precision after replacement, and reduces the adjustment time.
Description
Technical Field
The invention relates to the field of manufacturing of spline shafts, in particular to a nylon shaping tooth side positioning device for a spline shaft with a replaceable steel ball.
Background
In the prior art, the spline tooth side and the nylon cutter tooth side are positioned in a circumferential direction by contacting steel balls with two coated adjacent tooth sides when pushing plastic so as to ensure the stability of the nylon thickness of two sides of a part tooth after pushing nylon. The positioned steel ball is welded on the positioning slide rail. The prior art mainly has the following defects: the steel ball for positioning is fixed on the sliding guide rail in a welding mode, the quenched steel ball is annealed at high temperature during welding to soften the steel ball, the wear resistance of the steel ball is poor, and the service life of the positioning device is influenced after the steel ball is worn; the steel ball is abraded in the using process of the positioning device, the abraded steel ball needs to be removed by cutting and other methods for replacement, welding is carried out again, and the operation is complex.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a steel ball replaceable spline shaft nylon shaping tooth side positioning device.
The purpose of the invention is achieved by the following technical scheme: the steel ball replaceable spline shaft nylon shaping tooth side positioning device mainly comprises an upper center, a processing part, a nylon shaping cutter pressing plate, a nylon shaping cutter die holder, a circumferential positioning block, a steel ball locking screw, a circumferential positioning steel ball, a tension spring, a linear sliding block, a wire inlet sliding rail and a lower center, wherein the nylon shaping cutter is arranged in the center of the nylon shaping cutter die holder and is fixed by the nylon shaping cutter pressing plate at the upper part, the lower center is arranged in the center hole of the nylon shaping cutter die holder, the upper center is arranged right above the lower center, the processing part is clamped between the upper center and the lower center, the nylon shaping cutter is positioned at the outer side of the processing part, the linear sliding block is arranged at one side of the nylon shaping cutter pressing plate, the linear sliding block is connected with the wire inlet sliding rail, the wire inlet sliding rail is tensioned by the tension spring, the lower part of the circumferential positioning block is connected to the end part of the inlet wire slide rail, and the circumferential positioning steel ball is fixed on the circumferential positioning block by a steel ball locking screw rod.
The upper end of the circumferential positioning block is designed to be an inclined plane.
The inlet wire slide rail slides on the linear slide block in a linear mode.
The invention has the beneficial effects that: the invention adopts the steel ball structure fixedly installed by the screw rod, can keep the hardness of the steel ball, and can use the steel ball with higher hardness such as hard alloy and the like for positioning, thereby improving the wear resistance of the positioning steel ball and improving the quality stability of a processed product; when the steel ball is worn and needs to be replaced, the steel ball can be directly replaced by only unscrewing the steel ball locking screw rod, so that the replacement is convenient and quick; the inclined plane at the upper end of the circumferential positioning block has the function of preventing a machined part from colliding with the incoming line slide rail, and the defect that the incoming line slide rail is bent, deformed and damaged due to collision of the machined part with the incoming line slide rail can be overcome; the circumferential positioning stability of the surface of the spline shaft during shaping of the nylon coating is improved, the wear resistance and the maintainability of the device are improved, the repeated use of the positioning steel ball can be realized, the positioning precision can be kept after replacement, and the adjustment time is shortened.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: the device comprises an upper center 1, a processing part 2, a nylon shaping cutter 3, a nylon shaping cutter pressing plate 4, a nylon shaping cutter die holder 5, a circumferential positioning block 6, a steel ball locking screw 7, a circumferential positioning steel ball 8, an extension spring 9, a linear sliding block 10, an incoming line sliding rail 11 and a lower center 12.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example (b): as shown in the attached drawings, the steel ball replaceable spline shaft nylon reshaping tooth side positioning device mainly comprises an upper center 1, a processing part 2, a nylon reshaping cutter 3, a nylon reshaping cutter pressing plate 4, a nylon reshaping cutter die holder 5, a circumferential positioning block 6, a steel ball locking screw 7, a circumferential positioning steel ball 8, a tension spring 9, a linear slider 10, a wire inlet slide rail 11 and a lower center 12, wherein the nylon reshaping cutter 3 is arranged in the nylon reshaping cutter die holder 5 at the center and is fixed by the nylon reshaping cutter pressing plate 4 at the upper part, the lower center 12 is arranged in the central hole of the nylon reshaping cutter die holder 5, the upper center 1 is arranged right above the lower center 12, the processing part 2 is clamped between the upper center 1 and the lower center 12, the nylon reshaping cutter 3 is positioned at the outer side of the processing part 2, the linear slider 10 is arranged at one side of the nylon reshaping cutter pressing plate 4, the linear slider 11 is, the inlet wire slide rail 11 is tensioned by an extension spring 9, two ends of the extension spring 9 are respectively fixed on the inlet wire slide rail 11 and a linear slide block 10, and the inlet wire slide rail 11 slides linearly on the linear slide block 10. The lower part of the circumferential positioning block 6 is welded to the end part of the inlet wire slide rail 11, and the circumferential positioning steel ball 8 is fixed on the circumferential positioning block 6 by a steel ball locking screw 7. The upper end of the circumferential positioning block 6 is designed to be an inclined plane.
The working process of the invention is as follows: and the part 2 to be processed is driven by the upper tip 1 and the lower tip 12, and redundant nylon materials on the surface of the part 2 to be processed are removed through the nylon shaping cutter 3, so that the nylon shaping processing is completed. The incoming line slide rail 11 is fixed in the linear slide block 10 on the nylon shaping cutter pressing plate 4, the circumferential positioning steel balls 8 are always in close contact with two sides of the spline tooth groove of the processing part 2, the rotation of the processing part 2 is prevented, the phase positions of the outer spline tooth of the processing part 2 and the inner spline groove of the nylon shaping cutter 3 are kept stable, and the uniform thickness of nylon on the spline surface of the processing part 2 on two sides of the tooth is ensured. In the process of machining the spline shaft in the downward running process, after the step surface of the machined part 2 is in contact with the inclined surface at the upper end of the circumferential positioning block 6, the inclined surface of the machined part 2 can drive the wire inlet slide rail 11 to move back outwards, so that the step surface of the machined part 2 is prevented from colliding with the circumferential positioning block 6, and the wire inlet slide rail 11 is prevented from being damaged due to bending deformation.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (3)
1. The utility model provides a steel ball interchangeable formula integral key shaft nylon profile tooth side positioner which characterized in that: mainly comprises an upper tip (1), a processing part (2), a nylon shaping cutter (3), a nylon shaping cutter pressing plate (4), a nylon shaping cutter die holder (5), a circumferential positioning block (6), a steel ball locking screw (7), a circumferential positioning steel ball (8), a tension spring (9), a linear slider (10), an incoming line slide rail (11) and a lower tip (12), wherein the nylon shaping cutter (3) is arranged in the inner center of the nylon shaping cutter die holder (5) and is fixed by the nylon shaping cutter pressing plate (4) at the upper part, the lower tip (12) is arranged in the center hole of the nylon shaping cutter die holder (5), the upper tip (1) is arranged right above the lower tip (12), the processing part (2) is clamped between the upper tip (1) and the lower tip (12), the nylon shaping cutter (3) is positioned at the outer side of the processing part (2), the linear slider (10) is arranged at one side of the nylon shaping cutter, the wire inlet sliding rail (11) is connected to the linear sliding block (10), the wire inlet sliding rail (11) is tensioned by the stretching spring (9), two ends of the stretching spring (9) are fixed to the wire inlet sliding rail (11) and the linear sliding block (10) respectively, the lower portion of the circumferential positioning block (6) is connected to the end portion of the wire inlet sliding rail (11), and the circumferential positioning steel ball (8) is fixed to the circumferential positioning block (6) through the steel ball locking screw (7).
2. The steel ball replaceable spline shaft nylon profile tooth side positioning device according to claim 1, characterized in that: the upper end of the circumferential positioning block (6) is designed to be an inclined plane.
3. The steel ball replaceable spline shaft nylon profile tooth side positioning device according to claim 1, characterized in that: the incoming line slide rail (11) slides on the linear slide block (10) in a linear mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011431303.0A CN112677187A (en) | 2020-12-09 | 2020-12-09 | Steel ball replaceable spline shaft nylon shaping tooth side positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011431303.0A CN112677187A (en) | 2020-12-09 | 2020-12-09 | Steel ball replaceable spline shaft nylon shaping tooth side positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112677187A true CN112677187A (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011431303.0A Pending CN112677187A (en) | 2020-12-09 | 2020-12-09 | Steel ball replaceable spline shaft nylon shaping tooth side positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112677187A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894568A (en) * | 2021-09-01 | 2022-01-07 | 宜昌长机科技有限责任公司 | Phase control device and method for gear shaft machining |
-
2020
- 2020-12-09 CN CN202011431303.0A patent/CN112677187A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894568A (en) * | 2021-09-01 | 2022-01-07 | 宜昌长机科技有限责任公司 | Phase control device and method for gear shaft machining |
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