CN215199989U

CN215199989U - Gear shaping clamp for meeting requirement on gear position

Info

Publication number: CN215199989U
Application number: CN202120849596.8U
Authority: CN
Inventors: 匡彪; 杨岁平; 朱儒学
Original assignee: Shaoguan Group Shaoguan Hongda Gear Co ltd
Current assignee: Shaoguan Group Shaoguan Hongda Gear Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-12-17
Anticipated expiration: 2031-04-23

Abstract

The utility model relates to a gear shaping anchor clamps that is used for having requirement to tooth position, including the anchor clamps base, to tooth upper bracket, the purpose-built uide pin of mistake proofing and spring cover that rises, to the middle part of tooth upper bracket and anchor clamps base being cavity, to the cavity structure formation installation of tooth upper bracket and anchor clamps base and fix the cavity of gear shaft, the gear shaft rises the cover through the spring and installs in the cavity, positioner fixes a position the tooth's socket of positioning gear, the purpose-built uide pin of mistake proofing fixes a position the keyway, confirm the position of waiting to process the tooth's socket with this two points; the utility model discloses possess can be to having to require to the tooth but also can't process through the gear hobbing, especially to contain simultaneously inside and outside tooth also exist to the tooth workpiece of taking the gear shaft that the tooth required carry out gear machining, work piece location reliable and self can provide the characteristics of tooth's socket processing reference standard.

Description

Gear shaping clamp for meeting requirement on gear position

Technical Field

The utility model relates to a gear shaping anchor clamps, more specifically say, it relates to a gear shaping anchor clamps that is used for having the requirement to the tooth position.

Background

In the transmission of equipment, a gear is taken as a commonly used transmission part, so the application range of the gear is wider, the gear can be fixed in a clamp in the process of machining the gear, most of the existing gear machining clamps are used for clamping a single gear, the clamping of the single gear is mainly to sleeve the gear on a mandrel, and then the gear is circumferentially positioned through bolts and the like.

The above scheme has the defects that: when the gear has the gear shaft, the gear shaft can not be fixed to the machining anchor clamps of current gear, leads to taking the gear of gear shaft can not possess good stability in the course of working, and then leads to the production of machining error.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a gear shaping anchor clamps that is used for having a plurality of interior external teeth to the requirement of tooth position, gear shaping anchor clamps are confirmed through two point location to positioning gear and gear shaft keyway and are waited to process the tooth's socket of gear wheel, the utility model discloses a possess can be to having to require to the tooth but also unable gear hobbing processing through the hobbing, especially contain simultaneously in, the external tooth also exists to the tooth of taking the gear shaft that the tooth required and carry out gear machining, the work piece location is reliable and self can provide the characteristics of tooth's socket processing reference standard.

The above technical purpose of the present invention can be achieved by the following technical solutions: a gear shaping clamp for meeting requirements on gear positions comprises a clamp base, a gear upper support, a mistake-proof special guide pin and a spring expansion sleeve, wherein the clamp base is connected with a machine tool, the gear upper support and one end, far away from the machine tool, of the clamp base are connected through screws, the middle of the gear upper support and the clamp base is hollow, a mounting hole is formed in the side wall of the gear upper support, a positioning device used for positioning and positioning a gear is arranged in the mounting hole, the positioning device is clamped in a tooth groove of the positioning gear and stretches along the axial direction of the mounting hole, a key groove is formed in the side wall of a gear shaft, the center of the key groove is aligned with the center of the tooth groove of the positioning gear, a spring sleeve is arranged inside the clamp base, the gear shaft is installed in the clamp base through the spring expansion sleeve, and a guide pin through hole is formed in the spring expansion sleeve, the position of the side wall of the clamp base corresponding to the guide pin through hole is kept away, and the error-proof special guide pin penetrates through the guide pin through hole and is clamped in the key groove.

In one embodiment, the positioning device comprises a tooth aligning positioning pin support, a spring compression nut, a spring positioning block, a spring, a tooth aligning positioning pin and a positioning pin handle, one end of the tooth aligning positioning pin support is arranged in a mounting hole of the side wall of the tooth aligning upper support, the middle of the tooth aligning positioning pin support is a through hole, the spring compression nut is arranged at one end of the tooth aligning positioning pin support and is in threaded connection with the through hole, the spring and the tooth aligning positioning pin are both arranged in the through hole, one end of the tooth aligning positioning pin penetrates through the spring and the spring compression nut and is connected with the positioning pin handle, the spring positioning block is matched with the through hole and is coaxially and fixedly connected with the tooth aligning positioning pin, the spring positioning block is arranged at one end of the spring close to the gear shaft, and the spring positioning block and the tooth aligning positioning pin move along the axial direction of the through hole together, one end of the tooth aligning positioning pin, which is close to the spring positioning block, is clamped in a tooth groove of the positioning gear; the spring positioning block and the tooth positioning pin can move together along the axial direction of the through hole, the tooth positioning pin is pushed towards the positioning gear due to the tension of the spring, one end close to the spring positioning block can be clamped in a tooth groove of the positioning gear due to the spring, then the positioning gear is positioned, the positioning device is arranged on the tooth upper support and positions the positioning gear in a sliding mode, and the positioning device has the characteristics of simplicity in operation and convenience in use.

In one embodiment, an open slot is formed in one end, close to the locating pin handle, of the spring compression nut, a pin through hole is formed in the open slot, a locking and fixing pin is vertically arranged on the tooth aligning locating pin and located between the spring compression nut and the locating pin handle, and the locking and fixing pin is matched with the pin through hole; because spring locating piece and receive the effect of spring tension to the tooth locating pin have always to the trend to the motion of tooth upper bracket central point position direction, will shift out the tooth locating pin from the tooth groove of locating gear when need adorn positioning gear to the tooth upper bracket in or from taking out the tooth upper bracket, then locking fixed pin is in spring gland nut's open slot this moment, rotatory locking fixed pin makes its and pin through-hole dislocation, and then will advance nature location to the tooth locating pin, prevent to kick-back and stretch into the hollow structure to the tooth upper bracket because of the tension of spring the tooth locating pin, thereby influence positioning gear's installation or take out.

In one embodiment, the locating pin handle is detachably connected with the pair of tooth locating pins through locking and fixing pins; the detachable positioning pin handle is convenient for the installation and replacement of the components of the positioning device.

In one embodiment, the pair of tooth upper brackets are provided with positioning rings close to the hollow end of the clamp base, and the positioning rings pass through the gear shaft but cannot pass through a positioning gear; the positioning ring supports the positioning gear in a ring surface manner, so that the machined workpiece is more stably fixed.

In one embodiment, the clamp further comprises a tensioning device for tightly sleeving the spring expansion sleeve into the clamp base, after the spring expansion sleeve is sleeved into the clamp base, one end of the spring expansion sleeve, which is far away from the pair of tooth upper brackets, protrudes from one end of the clamp base, which is far away from the pair of tooth upper brackets, a clamping opening of the tensioning device is connected with one end of the spring expansion sleeve, which protrudes from the clamp base, and then the spring expansion sleeve is tensioned in the direction away from the clamp base; the spring expansion sleeve is better sleeved into the clamp base by the pulling-in device, so that the spring expansion sleeve is more convenient and quicker to install.

In one embodiment, the tensioning device comprises a connecting sleeve and a connecting pull rod, one end of the connecting sleeve is provided with a clamping opening matched with one end of the spring expansion sleeve protruding out of the tooth upper support, and the connecting pull rod is connected with the bottom of the connecting sleeve; the connecting pull rod provides a pulling and holding handle for the tensioning device, and the operation of the pulling-in device is convenient.

In one embodiment, the connecting pull rod is detachably connected with the connecting sleeve; the detachable connection facilitates the installation and storage of the drawing-in device.

To sum up, the utility model discloses following beneficial effect has: 1. the gear shaping clamp has the requirement on teeth but cannot process the teeth through hobbing, and particularly provides double clamping and positioning of a positioning gear and a gear shaft for a processing workpiece of a gear shaft with teeth which simultaneously contain inner teeth and outer teeth and have the requirement on the teeth, so that the processing workpiece of the gear shaft with teeth is more stable and reliable to fix; 2. the key groove on the gear shaft and the positioning gear can provide positioning for the key groove processing of the gear to be processed, and the processing reference self-positioning function is realized.

Drawings

Fig. 1 is a schematic diagram of the present invention.

In the figure: 1-a clamp base; 2-pair of tooth upper brackets; 3-positioning the gear; 4-gear to be processed; 5-a key slot; 6-mistake proofing special guide pin; 7-tooth alignment pin support; 8-spring compression nut; 9-a spring positioning block; 10-a spring; 11-a pair of tooth positioning pins; 12-a dowel pin handle; 13-locking the fixing pin; 14-spring expansion sleeve; 15-a positioning ring; 16-a connecting sleeve; 17-connecting pull rod.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

It should be noted that all the directional terms such as "upper" and "lower" referred to herein are used with respect to the view of the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.

Referring to fig. 1, a gear shaping fixture for use with a demand for tooth position, comprising: the fixture comprises a fixture base 1, a tooth upper support 2, a mistake-proofing special guide pin 6 and a spring expansion sleeve 14, wherein the fixture base 1 is connected with a machine tool, the tooth upper support 2 is connected with one end, far away from the machine tool, of the fixture base 1 through a screw, the middle of the tooth upper support 2 and the fixture base 1 is hollow, a cavity for mounting and fixing a gear shaft is formed in the hollow structure of the tooth upper support 2 and the fixture base 1, a mounting hole is formed in the side wall of the tooth upper support 2, a positioning device for positioning and positioning the gear 3 is arranged in the mounting hole, the positioning device is clamped in a tooth groove of the positioning gear 3 and stretches and retracts along the thickness direction of the tooth upper support 2, a key groove 5 is formed in the side wall of the gear shaft, the center of the key groove 5 is aligned with the center of the tooth groove of the positioning gear 3, the hollow spring expansion sleeve 14 is arranged inside the fixture base 1, the gear shaft is installed inside the clamp base 1 through the spring expansion sleeve 14, a guide pin through hole is formed in the spring expansion sleeve 14, the position, corresponding to the guide pin through hole, of the side wall of the clamp base 1 is kept clear, the error-proof special guide pin 6 penetrates through the guide pin through hole and is clamped in the key groove 5, specifically, the head of the error-proof special guide pin 6 is completely located in the clearance structure of the side wall of the clamp base 1, the gear shaft is sleeved in the spring expansion sleeve, the positioning gear 3 is arranged on the gear shaft and located in the tooth aligning upper support 2, and the gear 4 to be machined is arranged at one end, far away from the clamp base 1, of the gear shaft.

In the above embodiment, when the gear 4 to be processed needs to be processed, the positioning device is moved in the direction away from the central position of the counter upper bracket 2 until the positioning device is completely pulled out of the hollow structure inside the counter upper bracket 2, the positions of the key groove 5 and the guide pin through hole are aligned, one end of the gear shaft away from the gear 4 to be processed is sleeved in the spring expansion sleeve 14 and the key groove 5 is communicated with the guide pin through hole, the clearance structure of the side wall of the clamp base 1 is aligned with the position of the guide pin through hole, the spring expansion sleeve 14 and the processing workpiece are sleeved in the cavity formed by the hollow structures of the counter upper bracket 2 and the clamp base 1 from one end of the counter upper bracket 2, at this time, the spring expansion sleeve 14 is completely sleeved inside the clamp base 1, the positioning gear 3 is sleeved inside the counter upper bracket 2, and the guide pin through hole is communicated with the clearance structure of the key groove 5 and the side wall of the clamp base 1, the error-proof special guide pin 6 is screwed in from the guide pin through hole and finally clamped in the key groove 5, the error-proof special guide pin 6 is fixed on the elastic expansion sleeve and can move up and down between the key groove and the clearance position of the clamp base, the positioning device moves towards the direction of the central position of the gear upper support 2 until the positioning device is clamped in the tooth groove of the positioning gear 3, and then the gear 4 to be processed can be subjected to gear slotting processing.

In one embodiment, the positioning device comprises a tooth alignment pin support 7, a spring compression nut 8, a spring positioning block 9, a spring 10, a tooth alignment pin 11 and a positioning pin handle 12, one end of the tooth alignment pin support 7 is arranged in a mounting hole of the side wall of the tooth alignment upper support 2, the middle of the tooth alignment pin support 7 is a through hole, the spring compression nut 8 is arranged at one end of the tooth alignment pin support 7 and is in threaded connection with the through hole, the spring 10 and the tooth alignment pin 11 are both arranged in the through hole, one end of the tooth alignment pin 11 passes through the spring 10 and the spring compression nut 8 and is connected with the positioning pin handle 12, the spring positioning block 9 is adapted to the through hole and is coaxially and fixedly connected with the tooth alignment pin 11, the spring positioning block 9 is arranged at one end of the spring 10 close to the gear shaft, the spring positioning block 9 and the tooth aligning positioning pin 11 move together along the axial direction of the through hole, and one end of the tooth aligning positioning pin 11 close to the spring positioning block 9 is clamped in the tooth groove of the positioning gear 3; when a processing workpiece is installed in the opposite tooth upper bracket or taken out of the opposite tooth upper bracket, the positioning pin handle 12 is held to pull the opposite tooth positioning pin 11 towards the direction far away from the center of the opposite tooth upper bracket 2, the spring positioning block 9 compresses the spring 10, the tooth positioning pin 11 is pulled out from the hollow structure in the opposite tooth upper bracket 2, and then the processing workpiece is installed or taken out.

In one embodiment, an open slot is formed in one end, close to the locating pin handle 12, of the spring compression nut 8, a pin through hole is formed in the open slot, a locking and fixing pin 13 is vertically arranged on the tooth aligning locating pin 11, the locking and fixing pin 13 is located between the spring compression nut 8 and the locating pin handle 12, and the locking and fixing pin 13 is matched with the pin through hole; in the initial state, a processing workpiece is clamped in a gear shaping clamp, a tooth positioning pin 11 is clamped in a tooth groove of a positioning gear 3, the processing workpiece is detached from the clamp at present, an error-proof special guide pin 6 is detached firstly, a positioning pin handle 12 is held to pull a tooth positioning pin 11 towards the direction far away from the center of an upper tooth support 2, a spring 10 is in a compressed state, a locking fixing pin 13 penetrates to one end, close to the positioning pin handle 12, of the locking fixing pin 13 from one end, far away from the positioning pin through hole, of the positioning pin handle 12 and is positioned in an open groove of a spring pressing nut 8, the tooth positioning pin 11 is completely pulled out from a hollow structure in the positioning pin handle 12 at the moment, the positioning pin handle 12 is rotated by 90 degrees, the locking fixing pin 13 rotates along with the positioning pin handle 12, then locking fixing pin 13 joint is on the open slot, and spring 10 can not kick-back, can further dismantle the processing work piece from anchor clamps this moment.

In one embodiment, the locating pin handle 12 is detachably connected with the pair of tooth locating pins 11 through locking and fixing pins; the detachable positioning pin handle 12 facilitates assembly and replacement of the components of the positioning device.

In one embodiment, the upper contra-tooth bracket 2 is provided with a positioning ring 15 near the hollow end of the clamp base 1, and the positioning ring passes through the gear shaft but cannot pass through the positioning gear 3; the positioning ring provides support for positioning the gear 3.

In one embodiment, the clamp further comprises a tensioning device for tightly sleeving the spring expansion sleeve 14 into the clamp base 1, after the spring expansion sleeve 14 is sleeved into the clamp base 1, one end of the spring expansion sleeve 14, which is far away from the pair of tooth upper brackets 2, protrudes from one end of the clamp base 1, which is far away from the pair of tooth upper brackets 2, a clamping opening of the tensioning device is connected with one end of the spring expansion sleeve 14, which protrudes from the clamp base 1, and then the spring expansion sleeve 14 is tensioned in the direction opposite to the direction far away from the clamp base 1; because the spring expansion sleeve 14 is tightly sleeved inside the tight sleeve clamp base 1, the spring expansion sleeve 14 can be better assembled with the clamp base 1 by virtue of the tensioning device.

In one embodiment, the tensioning device comprises a connecting sleeve 16 and a connecting pull rod 17, one end of the connecting sleeve 16 is provided with a clamping opening matched with one end of the spring expansion sleeve 14 protruding out of the paired tooth upper brackets 2, and the connecting pull rod 17 is connected with the bottom of the connecting sleeve 16; specifically, the clamping opening of the connecting sleeve 16 is connected with one end of the spring expansion sleeve 14 protruding from the clamp base 1, then the connecting pull rod 17 is pulled to tighten the spring expansion sleeve 14 in the direction away from the clamp base 1, and finally the spring expansion sleeve 14 is tightly sleeved in the clamp base 1.

In one embodiment, the connecting pull rod 17 is detachably connected with the connecting sleeve 16; specifically, concrete connecting sleeve 16 middle part is equipped with the through-hole that can pass through connecting pull rod 17, and connecting pull rod 17 one end is equipped with the joint boss that the diameter ratio through-hole is big, and connecting pull rod 17 one end passes the through-hole from connecting sleeve 16 is inside, and the joint boss joint drives overspeed device tensioner in through-hole one end at last through-hole one end, and then the cover 14 that rises of tight spring of cover is connected to the pulling connecting pull rod 17.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a gear shaping anchor clamps for having requirement to tooth position, its characterized in that includes anchor clamps base (1), to tooth upper bracket (2), mistake proofing special guide pin (6) and spring cover (14) that rises, anchor clamps base (1) is connected with the lathe, to tooth upper bracket (2) with the lathe was kept away from to anchor clamps base (1) one end is through bolted connection, to tooth upper bracket (2) with the middle part of anchor clamps base (1) is cavity, be equipped with the mounting hole on the lateral wall to tooth upper bracket (2), be equipped with the positioner who is used for fixing a position location gear (3) in the mounting hole, the positioner joint is in the tooth's socket of location gear (3) and follows the axial of mounting hole is flexible, is equipped with keyway (5) on the lateral wall of gear shaft, the center of keyway (5) with the center of the tooth's socket of location gear (3) aligns, the inside of anchor clamps base (1) is equipped with spring cover (14) that rises, the gear shaft is installed through spring cover (14) that rises the inside of anchor clamps base (1), be equipped with the uide pin through-hole on spring cover (14) that rises, the position of the lateral wall correspondence uide pin through-hole of anchor clamps base (1) is kept away the sky, and mistake proofing special uide pin (6) pass the uide pin through-hole and the joint is in keyway (5).

2. The gear shaping fixture with requirement on gear position according to claim 1, wherein the positioning device comprises a gear positioning pin support (7), a spring compression nut (8), a spring positioning block (9), a spring (10), a gear positioning pin (11) and a positioning pin handle (12), one end of the gear positioning pin support (7) is arranged in a mounting hole of the side wall of the gear upper support (2), the gear positioning pin support (7) is a through hole in the middle, the spring compression nut (8) is arranged at one end of the gear positioning pin support (7) and is in threaded connection with the through hole, the spring (10) and the gear positioning pin (11) are both arranged in the through hole, one end of the gear positioning pin (11) passes through the spring (10) and the spring compression nut (8) and is connected with the positioning pin handle (12), spring locating piece (9) with through-hole adaptation and with to the coaxial fixed connection of tooth locating pin (11), spring locating piece (9) are established spring (10) are close to the one end of gear shaft, spring locating piece (9) with along together to tooth locating pin (11) the axial direction motion of through-hole, be close to tooth locating pin (11) the one end joint of spring locating piece (9) is in the tooth's socket of positioning gear (3).

3. The gear shaping fixture with the requirement on the tooth position as claimed in claim 2, wherein an open slot is provided at one end of the spring compression nut (8) close to the locating pin handle (12), a pin through hole is provided in the open slot, a locking and fixing pin (13) is vertically provided on the tooth locating pin (11), the locking and fixing pin (13) is located between the spring compression nut (8) and the locating pin handle (12), and the locking and fixing pin (13) is adapted to the pin through hole.

4. A gear shaping clamp for setting a tooth position requirement according to claim 3, characterized in that the detent pin handle (12) is detachably connected to the tooth detent pin (11) by means of a locking detent pin.

5. The clamp for shaping gears with requirements for tooth position according to any of claims 1-4, characterized in that the upper counter-tooth support (2) is provided with a positioning ring (15) near the hollow end of the clamp base (1), said positioning ring passing through the gear shaft but not through the positioning gear (3).

6. The gear shaping clamp with the requirement on the tooth position according to claim 1, further comprising a tensioning device for tightly sleeving the spring expansion sleeve (14) into the clamp base (1), wherein after the spring expansion sleeve (14) is sleeved into the clamp base (1), one end of the spring expansion sleeve (14) far away from the tooth upper bracket (2) protrudes from one end of the clamp base (1) far away from the tooth upper bracket (2), a clamping opening of the tensioning device is connected with one end of the spring expansion sleeve (14) protruding from the clamp base (1), and then the spring expansion sleeve (14) is tensioned in the direction away from the clamp base (1).

7. The gear shaping jig for having requirement for tooth position according to claim 6 wherein the tension device comprises a connecting sleeve (16) and a connecting pull rod (17), one end of the connecting sleeve (16) is provided with a clamping mouth adapted to one end of the spring expansion sleeve (14) protruding out of the upper bracket (2) of the pair of teeth, and the connecting pull rod (17) is connected to the bottom of the connecting sleeve (16).

8. The gear shaping clamp for a gear position requirement according to claim 7, characterized in that the connecting rod (17) is detachably connected to the connecting sleeve (16).