CN219426260U - Synchronizer outer friction ring machining device - Google Patents
Synchronizer outer friction ring machining device Download PDFInfo
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- CN219426260U CN219426260U CN202223115902.9U CN202223115902U CN219426260U CN 219426260 U CN219426260 U CN 219426260U CN 202223115902 U CN202223115902 U CN 202223115902U CN 219426260 U CN219426260 U CN 219426260U
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- positioning block
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- friction ring
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Abstract
The utility model relates to a synchronizer outer friction ring processing device, which comprises a base, a positioning disc, wherein the positioning disc is fixedly connected in the base, the upper end surface of the positioning disc is fixedly connected with three groups of positioning bosses, and each group of positioning bosses consists of a first positioning block and a second positioning block which are opposite to each other in pairs; the upper part of the second positioning block is fixedly connected with a spring steel ball, the steel ball is opposite to the first positioning block, and the rear part of the spring is provided with an adjusting screw. When the device is adopted, when the outer friction ring of the synchronizer is used for processing the inner cone, the three convex keys of the product are clamped and fixed on the corresponding positioning convex tables, the first positioning blocks are used as positioning references, the product is propped between the first positioning blocks and the second positioning blocks through the steel balls on the second positioning blocks, even if the size of the convex keys of the product changes to a certain extent, or the positioning convex tables are worn locally, gaps can be eliminated through the adjusting action of the spring steel balls, and the positioning precision is ensured.
Description
Technical Field
The utility model relates to the technical field of machine tool fixtures, in particular to a machining device for an outer friction ring of a synchronizer.
Background
When the synchronizer outer friction ring is used for processing an inner cone, the inner cone has roundness requirements, the external spline has gear ring runout requirements taking the inner cone as a reference, and the tooth back has runout requirements taking the inner cone as a reference. The processing device is shown in fig. 1 and 2, the positioning disc 2 is fixed in the base through the first screw 3, and three convex keys are adopted for positioning during processing, namely: and (5) processing by using the product three convex keys as positioning references. During processing, the three convex keys of the product are placed into the fixed positioning grooves of the positioning boss 4 on the positioning disc, and then electromagnetic attraction is conducted.
When adopting above-mentioned structure to process, the location accuracy of this frock receives product self protruding key width to influence greatly. If the size of the convex key of the product is smaller, the product is placed on the positioning disc with a gap, and the product shakes more, so that the center of the product is deviated. The inner cone processed after the center of the product deviates is not coaxial with the outer spline, so that the jump is out of tolerance; meanwhile, when the center of the product is deviated during processing, the fluctuation of the cutting amount of the grinding wheel or the cutter when the grinding wheel or the cutter just contacts the product is large (the product is deviated, one side of the grinding wheel or the cutter is large in cutting amount and stressed, one side of the grinding wheel or the cutter is small in cutting amount and stressed, fluctuation is caused by uneven stress), and the product is deformed or shifted on one side of the grinding wheel or the cutter with large cutting amount, so that the roundness of the inner cone is out of tolerance.
In addition, the position of this processingequipment location in long-term use is easy wearing and tearing, and the width grow after wearing and tearing more easily leads to the product processing disqualification. Therefore, the tooling needs to be replaced frequently, and the cost is increased. The tool positioning disc is required to be integrally machined during manufacturing, the positioning boss is machined by the machining center, the material is more wasted, the machining time is long, and the machined tool is low in surface hardness and easy to wear.
In order to solve the influence of the width of the convex key on the quality of the product, a plurality of tools with different sizes are needed to ensure the quality of the product in the production process, so that the tools are required to be classified and managed, the size of the product is classified, the workload is greatly increased, and the quality problem is easy to occur.
In summary, the existing clamping method has the following defects:
defect 1: the fixture positioning and fixing can not meet the convex key sizes of various products, and the product quality is unstable.
Defect 2: the tool wear is rapid, the consumption is high, and the cost is increased.
Defect 3: the tool has high manufacturing cost and great difficulty.
Defect 4: in order to ensure quality, tools with different specifications and product sorting grades are needed, and the workload is increased.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a synchronizer outer friction ring processing device which comprises a base, a positioning disc, wherein the positioning disc is fixedly connected in the base, the upper end surface of the positioning disc is fixedly connected with three groups of positioning bosses, and each group of positioning bosses consists of a first positioning block and a second positioning block which are opposite to each other; the upper part of the second positioning block is fixedly connected with a spring steel ball, the steel ball is opposite to the first positioning block, and the rear part of the spring is provided with an adjusting screw.
When the three-convex key is clamped and fixed on a corresponding positioning convex table during processing of an inner cone of the synchronizer outer friction ring, the first positioning block is used as a positioning reference, a product is propped between the first positioning block and the second positioning block through the steel balls on the second positioning block, even if the size of the convex key of the product changes to a certain extent or the positioning boss is worn out locally, the gap can be eliminated through the adjusting action of the steel balls of the spring, and the positioning precision can be ensured. The processing quality of the product is improved.
The fixing mode of the positioning boss and the positioning disc is as follows, the positioning disc is provided with a positioning through hole matched with the shapes of the first positioning block and the second positioning block, the lower parts of the first positioning block and the second positioning block are clamped and fixed in the positioning through hole, and the second screw is used for fixing the first positioning block and the second positioning block with the positioning disc from the outer side of the positioning disc. As the positioning boss is a wearing part, the positioning boss and the positioning disk adopt a detachable fixedly connected structure, and when the positioning boss is worn greatly, the positioning boss is fixedly connected with the positioning disk by replacing the corresponding first positioning block and the corresponding second positioning block without replacing the whole positioning disk. Processing cost and tool manufacturing difficulty are reduced. And the fixing mode of the utility model is adopted, so that the fixing connection of the positioning boss and the positioning disk is reliable.
The outer peripheral surface of the positioning disc corresponding to the second screw is a plane. The second screw and the outer peripheral surface of the positioning disc are convenient to have larger contact surfaces, and the connection is more tight.
The positioning boss positioning device has the beneficial effects that in order to eliminate the gap between a product and the positioning boss, positioning blocks which are arranged in a pair of opposite positioning bosses are arranged to be fixed on one side, and a spring and steel ball compacting mode is adopted on one side, so that the gap is eliminated. And the positioning boss is arranged to be detachable, so that the positioning boss is convenient to replace after being worn.
Drawings
Fig. 1 is a cross-sectional view of a prior art synchronizer outer friction ring processing device.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic diagram of an embodiment of the present utility model;
fig. 4 is a left side view of fig. 3.
Fig. 5 is an elevation view of fig. 3.
Fig. 6 is an enlarged schematic view of a portion a of fig. 3.
1. A base; 2. a positioning plate; 3, a first screw; 4. positioning the boss; 5. a first positioning block; 6. steel balls; 7. a spring screw; 8. an adjusting screw; 9. a second positioning block; 10. a second screw; 11. a through hole; 12. a plane.
Detailed Description
In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 3 to 6, an outer friction ring processing device of a synchronizer comprises a base (not shown in the drawings), a positioning disc 2, and the positioning disc is fixedly connected in the base, wherein the upper end surface of the positioning disc is provided with three groups of positioning bosses 4, and each group of positioning bosses consists of a first positioning block 5 and a second positioning block 9 which are opposite to each other in pairs; the upper part of the second positioning block is fixedly connected with a steel ball 6 with a spring 7, the steel ball is opposite to the first positioning block, and an adjusting screw 8 is arranged at the rear part of the spring.
The positioning disc is provided with a positioning through hole 11 which is matched with the shape of the first positioning block and the second positioning block, the lower parts of the first positioning block and the second positioning block are clamped and fixed in the positioning through hole, and the second screw 10 fixedly connects the first positioning block and the second positioning block with the positioning disc from the outer side of the positioning disc. The outer circumferential surface of the positioning disk corresponding to the second screw is a plane 12.
The device of the embodiment of the utility model is characterized in that a first positioning block and a second positioning block are inserted into a positioning through hole of a positioning disc, and the positioning block is connected to the positioning disc by a second fastening screw; the adjusting screw ejects the steel ball out of a part. And then the whole positioning disk is connected to the base through bolts.
The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application day or before the priority date of the present utility model, and can know all the prior art in the field, and have the capability of applying the conventional experimental means before the date, so that a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present application, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.
Claims (3)
1. The utility model provides a synchronizer outer friction ring processingequipment, includes the base, the positioning disk, and the positioning disk links firmly in the base, its characterized in that: the upper end face of the positioning disc is fixedly connected with three groups of positioning bosses, and each group of positioning bosses consists of a first positioning block and a second positioning block which are opposite to each other; the upper part of the second positioning block is fixedly connected with a spring steel ball, the steel ball is opposite to the first positioning block, and the rear part of the spring is provided with an adjusting screw.
2. The synchronizer outer friction ring processing device according to claim 1, wherein: the positioning disc is provided with a positioning through hole matched with the shape of the first positioning block and the second positioning block, the lower parts of the first positioning block and the second positioning block are clamped and fixed in the positioning through hole, and the first positioning block and the second positioning block are fixedly connected with the positioning disc through screws from the outer side of the positioning disc.
3. The synchronizer outer friction ring processing device according to claim 2, wherein: the peripheral surface of the positioning disk corresponding to the screw is a plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223115902.9U CN219426260U (en) | 2022-11-23 | 2022-11-23 | Synchronizer outer friction ring machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223115902.9U CN219426260U (en) | 2022-11-23 | 2022-11-23 | Synchronizer outer friction ring machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219426260U true CN219426260U (en) | 2023-07-28 |
Family
ID=87345565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223115902.9U Active CN219426260U (en) | 2022-11-23 | 2022-11-23 | Synchronizer outer friction ring machining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219426260U (en) |
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2022
- 2022-11-23 CN CN202223115902.9U patent/CN219426260U/en active Active
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