CN211939367U - High-precision clamping tool for gear part machining - Google Patents
High-precision clamping tool for gear part machining Download PDFInfo
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- CN211939367U CN211939367U CN201921936258.7U CN201921936258U CN211939367U CN 211939367 U CN211939367 U CN 211939367U CN 201921936258 U CN201921936258 U CN 201921936258U CN 211939367 U CN211939367 U CN 211939367U
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- gear
- clamping
- block
- fixing device
- machining
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Abstract
A high-precision clamping tool for machining gear parts comprises a clamping fixed disc and a gear fixing device; the clamping fixing disc is designed in a circular structure, and the clamping fixing disc is designed in a three-grab chuck structure; the gear fixing device is slidably mounted on the end face of the top side of the clamping fixing disc. The gear fixing device that this high accuracy centre gripping frock of gear parts machining usefulness was equipped with sets up three altogether, and gear fixing device comprises removal stopper and gear grip block two parts to remove the arc massive structure design that stopper and gear grip block are the concentric circles, be favorable to the gear grip block to make the holding head be in the position of directional centre of a circle all the time when removing the stopper removal, thereby can be more accurate aim at the processing gear seam and carry out the centre gripping, effectively improve the fixed precision of centre gripping.
Description
Technical Field
The utility model relates to a gear machining device technical field especially relates to a high accuracy centre gripping frock that gear parts machining used.
Background
Gear refers to a mechanical element on a rim with gears continuously engaged to transmit motion and power. The use of gears in transmissions has long emerged. At the end of the 19 th century, the principle of generating the cutting method and the successive appearance of special machine tools and cutters for cutting teeth by using the principle pay attention to the running stability of gears along with the development of production. The gear transmission is a common transmission mode in people's life, and the application is very extensive, and some gears use the operating mode very abominable, require to operate under the condition of receiving impact force, vibration and overload in succession, and life requires more than 15 years, has proposed higher requirement to the reliability of gear like this, has also proposed higher requirement to the processing of polishing of gear consequently.
The utility model with the prior patent number of 201820441819.5 comprises a circular chuck and a clamping piece for fixing a gear; one side of the chuck is provided with a groove along the diameter, and the other side is provided with a central shaft; the clamping piece comprises a gear shaft, a sleeve and an expansion member; one end of the gear shaft is provided with a boss, and the other end of the gear shaft is slidably arranged in the groove; the gear shaft is detachably connected with the chuck; the boss is provided with a plurality of through grooves along the circumferential direction; the expansion component is slidably arranged in the through groove; the sleeve is sleeved on the gear shaft and is in threaded connection with the expansion member through end face threads. The utility model provides a gear clamping mechanism, during the clamping gear, the teeth of a cogwheel of contactless gear prevents the fish tail gear, improves gear machining's quality.
Based on the above, the high accuracy centre gripping frock structural design that current gear parts machining used is comparatively traditional, and it is relatively poor to use the regulation convenience, can not pass through the not gear of equidimension of regulation centre gripping of stiff end to lead to the application scope of centre gripping gear less, centre gripping precision stability is slightly poor moreover, thereby leads to the machining precision lower.
Therefore, the high-precision clamping tool for machining the gear parts is researched and improved aiming at the existing structure and defects, and the high-precision clamping tool for machining the gear parts is provided, so that the aim of achieving higher practical value is fulfilled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high accuracy centre gripping frock of gear parts machining usefulness to solve the structural design that proposes in the above-mentioned background art comparatively tradition, use and adjust the convenience relatively poor, can not pass through the not gear of equidimension of regulation centre gripping of stiff end, thereby lead to the application scope of centre gripping gear less, centre gripping precision stability is slightly poor moreover, thereby lead to the lower problem of machining precision.
The utility model discloses the purpose and the efficiency of the high accuracy centre gripping frock of gear parts machining usefulness are reached by following specific technological means:
a high-precision clamping tool for machining gear parts comprises a clamping fixed disc and a gear fixing device; the clamping fixing disc is designed in a circular structure, and the clamping fixing disc is designed in a three-jaw chuck structure; the gear fixing device is slidably mounted on the end face of the top side of the clamping fixing disc.
Furthermore, the gear fixing device is provided with three positions, the gear fixing device is composed of a movable limiting block and a gear clamping block, and the movable limiting block and the gear clamping block are designed to be concentric arc-shaped block structures.
Furthermore, an adjusting groove is formed in the movable limiting block, an H-shaped limiting clamping groove matched with the gear clamping block is also formed in the gear clamping block, and the gear clamping block is installed in the adjusting groove of the movable limiting block in a sliding limiting mode through the H-shaped limiting clamping groove.
Furthermore, a limiting bolt is fixed at the middle position of the top side of the movable limiting block in a threaded manner, and a bolt limiting groove matched with the bottom end of the limiting bolt is also formed in the gear clamping block.
Furthermore, clamping heads are arranged in the middle of the end faces of the inner sides of the gear clamping blocks, and the heads of the clamping heads are designed to be pointed equilateral triangle structures.
Compare with current structure under, the utility model discloses following beneficial effect has:
the gear fixing device that is equipped with sets up three altogether, and gear fixing device comprises removal stopper and gear clamping block two parts to remove stopper and gear clamping block and be the arc massive structure design of concentric circles, be favorable to the gear clamping block to make the clamping head be in the position of directional centre of a circle all the time when removing the stopper removal, thereby can be more accurate aim at the processing gear seam and carry out the centre gripping, effectively improve the fixed precision of centre gripping.
The adjusting groove is formed in the moving limiting block, the H-shaped limiting clamping groove matched with the gear clamping block is formed in the gear clamping block, the gear clamping block is installed in the adjusting groove of the moving limiting block in a sliding limiting mode through the H-shaped limiting clamping groove, the gear clamping block can be adjusted in a moving mode through gears clamping different tooth pitches and different sizes, and therefore the clamping head on the gear clamping block always points to the tooth seam of the machining gear.
The top side intermediate position department that is equipped with the removal stopper still thread tightening has spacing bolt, and set up on the gear grip block equally with spacing bolt bottom end assorted bolt spacing groove, be favorable to that spacing bolt is better to fix the gear grip block to it destroys the sliding surface of spacing draw-in groove because of spacing bolt top is tight still effectively to prevent the gear grip block, thereby influence the sliding operation of gear grip block in the middle of removing the stopper.
All be provided with the clamping head on the medial surface intermediate position of gear grip block that is equipped with, and the head of clamping head is most advanced equilateral triangle structural design, is favorable to being suitable for not gear structure of equidimension, makes the more accurate stability of centre gripping.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of the present invention;
FIG. 2 is a schematic top view of the present invention;
fig. 3 is a schematic three-dimensional structure diagram of the gear fixing device of the present invention;
FIG. 4 is a schematic view of the three-dimensional structure of the movable limiting block of the present invention;
fig. 5 is the three-dimensional structure diagram of the gear clamping block of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. clamping the fixed disc; 2. a gear fixing device; 201. moving the limiting block; 201a, a limit bolt; 201b, an adjusting groove; 202. a gear clamping block; 202a, a bolt limiting groove; 202b, a clamping head; 202c and a limit card slot.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 5:
the utility model provides a high accuracy centre gripping frock that gear parts machining used, including: the clamping fixing disc 1 and the gear fixing device 2 are clamped; the clamping fixed disk 1 is designed in a circular structure, and the clamping fixed disk 1 is designed in a three-jaw chuck structure; the gear fixing device 2 is slidably mounted on the top end face of the clamping fixing disc 1, the gear fixing device 2 is provided with three positions, the gear fixing device 2 is composed of a moving limiting block 201 and a gear clamping block 202, the moving limiting block 201 and the gear clamping block 202 are designed into concentric arc-shaped block structures, so that the gear clamping block 202 enables a clamping head 202b to be located at a position pointing to the circle center all the time when the moving limiting block 201 moves, the gear seam of a machining gear can be clamped more accurately, the clamping and fixing precision is effectively improved, an adjusting groove 201b is formed in the moving limiting block 201, an H-shaped limiting clamping groove 202c matched with the gear clamping block 202 is also formed in the gear clamping block 202, the gear clamping block 202 is slidably limited and mounted in the adjusting groove 201b of the moving limiting block 201 through the H-shaped limiting clamping groove 202c, and the gear clamping block 202 can be moved and adjusted through clamping gears with different tooth pitches and sizes, so that the clamping head 202b on the gear clamping block 202 always points to the gear gap of the machining gear; a limiting bolt 201a is further fixed at the middle position of the top side of the movable limiting block 201 in a threaded manner, and a bolt limiting groove 202a matched with the bottom end of the limiting bolt 201a is also formed in the gear clamping block 202, so that the limiting bolt 201a can better fix the gear clamping block 202, and the gear clamping block 202 is effectively prevented from damaging the sliding surface of the limiting clamping groove 202c due to the fact that the limiting bolt 201a abuts against the sliding surface, and the sliding operation of the gear clamping block 202 in the movable limiting block 201 is influenced; wherein, all be provided with clamping head 202b on the medial surface intermediate position of the medial extremity of gear clamping piece 202, and clamping head 202 b's head is most advanced equilateral triangle structural design, is convenient for be suitable for not gear structure of equidimension, makes the more accurate stability of centre gripping.
The specific use mode and function of the embodiment are as follows: when the high-precision clamping tool for machining the gear parts is used, the clamping fixing disc 1 needs to be adjusted manually to adapt to the size of a gear, then the gear clamping head 202b can accurately point to a gear tooth seam structure by loosening the limiting bolt 201a and limiting and rotating the gear clamping block 202, and then the gear fixing device 2 is clamped in the middle of a gear seam of a machining gear through the clamping disc set of the clamping fixing disc 1, so that the gear is firmly fixed.
In summary, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments or equivalent replacements may be made to some technical features of the embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a high accuracy centre gripping frock that gear parts machining used which characterized in that: comprises a clamping fixed disc (1) and a gear fixing device (2); the clamping fixed disc (1) is designed in a circular structure, and the clamping fixed disc (1) is designed in a three-jaw chuck structure; the gear fixing device (2) is slidably mounted on the end face of the top side of the clamping fixing disc (1).
2. The high-precision clamping tool for machining the gear part according to claim 1, characterized in that: the gear fixing device (2) is provided with three positions, the gear fixing device (2) is composed of a movable limiting block (201) and a gear clamping block (202), and the movable limiting block (201) and the gear clamping block (202) are designed to be concentric arc-shaped block structures.
3. The high-precision clamping tool for machining the gear part according to claim 2, characterized in that: an adjusting groove (201b) is formed in the movable limiting block (201), an H-shaped limiting clamping groove (202c) matched with the gear clamping block is also formed in the gear clamping block (202), and the gear clamping block (202) is installed in the adjusting groove (201b) of the movable limiting block (201) in a sliding limiting mode through the H-shaped limiting clamping groove (202 c).
4. The high-precision clamping tool for machining the gear part according to claim 2, characterized in that: a limiting bolt (201a) is further fixed at the middle position of the top side of the movable limiting block (201) in a threaded manner, and a bolt limiting groove (202a) matched with the bottom end of the limiting bolt (201a) is also formed in the gear clamping block (202).
5. The high-precision clamping tool for machining the gear part according to claim 2, characterized in that: all be provided with clamping head (202b) on the medial surface intermediate position of gear centre gripping piece (202), and the head of clamping head (202b) is most advanced equilateral triangle structural design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921936258.7U CN211939367U (en) | 2019-11-11 | 2019-11-11 | High-precision clamping tool for gear part machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921936258.7U CN211939367U (en) | 2019-11-11 | 2019-11-11 | High-precision clamping tool for gear part machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211939367U true CN211939367U (en) | 2020-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921936258.7U Expired - Fee Related CN211939367U (en) | 2019-11-11 | 2019-11-11 | High-precision clamping tool for gear part machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211939367U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916757A (en) * | 2021-01-25 | 2021-06-08 | 泉州惠建精密科技有限公司 | Fixing clamp for forging and pressing automobile cylindrical gear |
| CN115255973A (en) * | 2022-08-09 | 2022-11-01 | 共青科技职业学院 | Disc workpiece clamping tool |
| CN116926305A (en) * | 2023-09-15 | 2023-10-24 | 徐州乐来工程机械有限公司 | Post-forming heat treatment equipment for engineering machinery fittings |
-
2019
- 2019-11-11 CN CN201921936258.7U patent/CN211939367U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916757A (en) * | 2021-01-25 | 2021-06-08 | 泉州惠建精密科技有限公司 | Fixing clamp for forging and pressing automobile cylindrical gear |
| CN115255973A (en) * | 2022-08-09 | 2022-11-01 | 共青科技职业学院 | Disc workpiece clamping tool |
| CN115255973B (en) * | 2022-08-09 | 2023-09-12 | 共青科技职业学院 | Disc workpiece clamping tool |
| CN116926305A (en) * | 2023-09-15 | 2023-10-24 | 徐州乐来工程机械有限公司 | Post-forming heat treatment equipment for engineering machinery fittings |
| CN116926305B (en) * | 2023-09-15 | 2023-11-21 | 徐州乐来工程机械有限公司 | Post-forming heat treatment equipment for engineering machinery fittings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 Termination date: 20211111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |