CN210755690U - Sprocket linear cutting internal tooth processing frock - Google Patents
Sprocket linear cutting internal tooth processing frock Download PDFInfo
- Publication number
- CN210755690U CN210755690U CN201921419670.1U CN201921419670U CN210755690U CN 210755690 U CN210755690 U CN 210755690U CN 201921419670 U CN201921419670 U CN 201921419670U CN 210755690 U CN210755690 U CN 210755690U
- Authority
- CN
- China
- Prior art keywords
- positioning
- pressing
- chain wheel
- shaped
- sprocket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a sprocket linear cutting internal tooth processing frock mainly relates to the frock clamp field. Comprises a tool body and a positioning body; the tool body comprises a square column and a middle hole disc seat arranged on one side of the square column, a positioning body is provided with a chain wheel-shaped center hole matched with the chain teeth of the chain wheel, the positioning body is concentrically fixed on the middle hole disc seat, and the chain wheel is higher than the chain wheel-shaped center hole of the positioning body by 1-2 mm after being placed in the chain wheel-shaped center hole; the upper end and the lower end of the middle hole disc seat are respectively provided with a pressing and holding positioning device, the pressing and holding positioning devices comprise a 7-shaped upright post, a pressing and holding air cylinder and an arc-shaped pressing block, the pressing and holding air cylinder is fixed on the horizontal section of the 7-shaped upright post, and a piston rod of the pressing and holding air cylinder penetrates through the horizontal section of the 7-shaped upright post to be fixed with the arc-shaped pressing block. The beneficial effects of the utility model reside in that: the tool is suitable for machining internal teeth of chain wheel linear cutting with various workpiece models and two machining requirements (tooth machining and skewed tooth machining).
Description
Technical Field
The utility model relates to a frock clamp field specifically is sprocket wire-electrode cutting internal tooth processing frock.
Background
As shown in figures 5 and 6 of the attached drawings of the specification. The sprocket of the racing car generally adopts spline teeth with better matching degree and stability to carry out transmission, and an auxiliary tool needs to be matched for positioning during linear cutting of the inner spline teeth of the sprocket to ensure the precision, so that the titanium material is expensive, and the cost is high when the titanium material is used for part processing.
In addition, the different models of various sprockets, and whether spline teeth and sprocket teeth are processed with opposite teeth or offset teeth, all limit the location of the tooling.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sprocket wire-electrode cutting internal tooth processing frock, it is a sprocket wire-electrode cutting internal tooth processing frock instrument that is applicable to multiple work piece model, two kinds of processing requirements (to tooth processing, skewed tooth processing).
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
the tooling for machining the inner teeth of the sprocket through linear cutting comprises a tooling body and a positioning body; the tool body comprises a square column and a middle hole disc seat arranged on one side of the square column, a positioning body is provided with a chain wheel-shaped center hole matched with the chain teeth of the chain wheel, the positioning body is concentrically fixed on the middle hole disc seat, and the chain wheel is higher than the chain wheel-shaped center hole of the positioning body by 1-2 mm after being placed in the chain wheel-shaped center hole; the upper end and the lower end of the middle hole disc seat are respectively provided with a pressing and holding positioning device, the pressing and holding positioning devices comprise a 7-shaped upright post, a pressing and holding air cylinder and an arc-shaped pressing block, the pressing and holding air cylinder is fixed on the horizontal section of the 7-shaped upright post, and a piston rod of the pressing and holding air cylinder penetrates through the horizontal section of the 7-shaped upright post to be fixed with the arc-shaped pressing block.
The disc seat is provided with an annular step, the annular step is provided with a positioning insertion hole, the positioning body is provided with a positioning insertion column matched with the positioning insertion hole, and the positioning insertion column is inserted into the positioning insertion hole in an inserting mode.
Two groups of positioning insertion holes are arranged, namely tooth aligning positioning holes and eccentric tooth positioning holes.
And each group of positioning jacks is 2-4.
Contrast prior art, the beneficial effects of the utility model reside in that:
after a chain wheel which is not subjected to internal spline tooth processing is placed in a chain wheel-shaped central hole of the positioning body, the chain wheel is 1-2 mm higher than the chain wheel-shaped central hole, so that the piston rod is extended by pressing the air cylinder, so that the arc-shaped pressing block fixes the protruding part of the chain wheel, and the function of limiting in the Z-axis direction (vertical direction) is achieved; the position limitation of the X-axis and Y-axis directions (horizontal directions) is already finished when the chain wheel is placed in the chain wheel-shaped central hole of the positioning body; therefore, the three-axis limiting is completed, and the fixture is a qualified fixture.
In addition, in order to adapt to different workpiece models, the positioning body and the middle hole disc seat are detachably arranged in an inserting mode, workpieces of different models correspond to different positioning bodies, and therefore the device can be suitable for the chain wheel linear cutting internal tooth machining tool of various workpiece models by replacing the positioning bodies.
In addition, in order to adapt to two processing requirements (gear processing and eccentric gear processing), two groups of positioning insertion holes are arranged, namely a gear positioning hole and an eccentric gear positioning hole; as shown in the attached figure 3 of the specification, the positioning inserted column is used for processing the eccentric teeth when being inserted into the eccentric tooth positioning hole; as shown in the attached figure 4 of the specification, the positioning inserted column is used for machining the tooth when being inserted into the tooth positioning hole.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an assembly schematic diagram of the fixture body III formed after the positioning body I and the fixture body II are assembled.
Fig. 3 is a schematic structural view of the present invention during the process of machining the eccentric teeth.
Fig. 4 is a schematic structural view of the present invention when the gear is processed.
FIG. 5 is a schematic view of a sprocket work piece construction.
Fig. 6 is a sectional view taken along a line a-a in fig. 5.
Reference numerals shown in the drawings:
1. a tool body; 2. a positioning body; 3. a square column; 4. a middle hole disc seat; 5. a sprocket-shaped central bore; 6. a 7-shaped upright post; 7. a pressure holding cylinder; 8. an arc-shaped pressing block; 9. an annular step; 10. positioning the jack; 11. positioning the inserted column; 12. aligning the tooth positioning holes; 13. and (6) positioning the eccentric tooth.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
The utility model relates to a sprocket linear cutting inner tooth processing tool, the main structure of which comprises a tool body 1 and a positioning body 2; the tool body 1 comprises a square column 3 and a middle hole disc seat 4 arranged on one side of the square column 3, and the square column 3 is used for positioning the tool.
The positioning body 2 is provided with a chain wheel-shaped central hole 5 matched with the chain teeth of the chain wheel, the positioning body 2 is concentrically fixed on the central hole disc seat 4, and the chain wheel is higher than the chain wheel-shaped central hole 5 of the positioning body 2 by 1-2 mm after being placed in the central hole; the upper end and the lower end of the middle hole disc seat 4 are respectively provided with a pressing and holding positioning device, the pressing and holding positioning device comprises a 7-shaped upright post 6, a pressing and holding air cylinder 7 and an arc-shaped pressing block 8, the pressing and holding air cylinder 7 is fixed on the horizontal section of the 7-shaped upright post 6, and a piston rod of the pressing and holding air cylinder 7 penetrates through the horizontal section of the 7-shaped upright post 6 to be fixed with the arc-shaped pressing block 8. After a chain wheel which is not subjected to internal spline tooth processing is placed in the chain wheel-shaped central hole 5 of the positioning body 2, the chain wheel is higher than the chain wheel-shaped central hole by 51-2 mm, so that the piston rod is extended by pressing the cylinder 7, the arc-shaped pressing block 8 fixes the protruding part of the chain wheel, and the function of limiting in the Z-axis direction (vertical direction) is achieved; the position limitation of the X-axis and the Y-axis directions (horizontal directions) is already finished when the chain wheel is placed in the chain wheel-shaped central hole 5 of the positioning body 2; therefore, the three-axis limiting is completed, and the fixture is a qualified fixture.
In order to enable the tool to adapt to different workpiece models, the disc seat is provided with an annular step 9, the annular step 9 is provided with a positioning insertion hole 10, the positioning body 2 is provided with a positioning insertion column 11 matched with the positioning insertion hole 10, and the positioning insertion column 11 is inserted into the positioning insertion hole 10 in an inserting mode. The positioning body 2 and the middle hole disc seat 4 are detachably arranged in an inserting mode, namely a positioning inserting column 11 and a positioning inserting hole 10 are inserted, workpieces of different types correspond to different positioning bodies 2, and therefore the device is suitable for chain wheel linear cutting internal tooth machining tools of various workpiece types by replacing the positioning bodies 2.
In order to enable the tool to adapt to two machining requirements (tooth machining and offset tooth machining), two groups of positioning insertion holes 10 are arranged, namely a tooth positioning hole 12 and an offset tooth positioning hole 13. Every group location jack 10 sets up 2 ~ 4, and this embodiment is equipped with 4. Two groups of positioning insertion holes 10 are respectively a pair tooth positioning hole 12 and an eccentric tooth positioning hole 13; as shown in the attached drawing of the specification and fig. 3, the positioning inserted column 11 is used for eccentric tooth processing when being inserted into the eccentric tooth positioning hole 13; as shown in the attached fig. 4 of the specification, the positioning inserting column 11 is used for machining the tooth when being inserted into the tooth positioning hole 12.
Claims (4)
1. Sprocket wire-electrode cutting internal tooth processing frock, its characterized in that: comprises a tool body (1) and a positioning body (2); the tool body (1) comprises a square column (3) and a middle hole disc seat (4) arranged on one side of the square column (3), a chain wheel-shaped center hole (5) matched with chain teeth of a chain wheel is formed in the positioning body (2), the positioning body (2) is concentrically fixed on the middle hole disc seat (4), and the chain wheel is higher than the middle hole disc seat (4) by 1-2 mm after being placed in the chain wheel-shaped center hole (5) of the positioning body (2); the upper end and the lower end of the middle hole disc seat (4) are respectively provided with a pressing and holding positioning device, the pressing and holding positioning device comprises a 7-shaped upright post (6), a pressing and holding air cylinder (7) and an arc-shaped pressing block (8), the pressing and holding air cylinder (7) is fixed on the horizontal section of the 7-shaped upright post (6), and a piston rod of the pressing and holding air cylinder (7) penetrates through the horizontal section of the 7-shaped upright post (6) to be fixed with the arc-shaped pressing block (8).
2. The sprocket linear cutting internal tooth processing frock of claim 1, characterized in that: be equipped with annular step (9) on the disk seat, be equipped with location jack (10) on annular step (9), be equipped with on location body (2) and insert post (11) with location jack (10) matched with location, post (11) are inserted with location jack (10) grafting in the location.
3. The sprocket linear cutting internal tooth processing tool according to claim 2, characterized in that: the positioning insertion holes (10) are provided with two groups, namely a tooth aligning positioning hole (12) and a tooth deflection positioning hole (13).
4. The sprocket linear cutting internal tooth processing frock of claim 3, characterized in that: and each group of positioning jacks (10) is 2-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921419670.1U CN210755690U (en) | 2019-08-28 | 2019-08-28 | Sprocket linear cutting internal tooth processing frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921419670.1U CN210755690U (en) | 2019-08-28 | 2019-08-28 | Sprocket linear cutting internal tooth processing frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210755690U true CN210755690U (en) | 2020-06-16 |
Family
ID=71056305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921419670.1U Expired - Fee Related CN210755690U (en) | 2019-08-28 | 2019-08-28 | Sprocket linear cutting internal tooth processing frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210755690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227174A (en) * | 2021-12-30 | 2022-03-25 | 浙江博民机电股份有限公司 | Manufacturing method of spline shaft and spline shaft sleeve |
-
2019
- 2019-08-28 CN CN201921419670.1U patent/CN210755690U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227174A (en) * | 2021-12-30 | 2022-03-25 | 浙江博民机电股份有限公司 | Manufacturing method of spline shaft and spline shaft sleeve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2912879Y (en) | Small taper hole large reference round gear teeth clamp | |
| CN210755690U (en) | Sprocket linear cutting internal tooth processing frock | |
| CN105945624B (en) | One kind processing thin-walled disk-like accessory clamping device | |
| CN206982231U (en) | Numerical control end-face milling drill centres machine tool clamp floating click-on mechanism | |
| CN204700390U (en) | The numerical control gear-hobbing clamp of gear shaft | |
| CN1486810A (en) | Machining process of spline inside blind hole in shaft end | |
| CN104625811A (en) | Device applying bench drill for machining precise-pitch holes and machining method of device | |
| CN203541754U (en) | Internal gear shaping fixture | |
| CN105328482A (en) | Clamp for turning inner hole of spiral bevel gear | |
| CN206083990U (en) | Through shaft terminal surface spline broaching machine | |
| CN105522336A (en) | Machining method for main drum of winch | |
| CN204893530U (en) | A anchor clamps for rotor class parts machining | |
| CN209936395U (en) | Clamp for processing inner hole of driving gear | |
| CN210255195U (en) | Frock of supplementary ejector pin processing | |
| CN103551808B (en) | The method of a kind of gantry pentahedron Digit Control Machine Tool processing rotor class part | |
| CN203019084U (en) | High-accuracy plate wheel turning machining tool | |
| CN201529902U (en) | Milling fixture for rolling shaft semi-circular surfaces | |
| CN219598295U (en) | Quick-change gear hobbing clamp | |
| CN204622961U (en) | A kind of tool for the production of date stamp product | |
| CN109551272B (en) | Radial centering combined clamping fixture positioned by conical pin and application method thereof | |
| CN210499356U (en) | Straight bevel gear flank of tooth positioning fixture | |
| CN211162925U (en) | Machining machine tool capable of clamping shaft parts conveniently | |
| CN205184303U (en) | Smooth claw helicla flute processingequipment of fluted disc | |
| CN204935031U (en) | Locomotive under repairing driven gear press-fits to support measures frock | |
| CN102166719A (en) | Clamp and process for machining welding yoke of automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20210828 |