CN214643076U

CN214643076U - Pneumatic clamping fixture for machining gear sleeve

Info

Publication number: CN214643076U
Application number: CN202120828583.2U
Authority: CN
Inventors: 孙岩; 蒋东方; 贾玉龙
Original assignee: Yantai Rileng Electromechanical Technology Co ltd
Current assignee: Yantai Rileng Electromechanical Technology Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-09
Anticipated expiration: 2031-04-22

Abstract

The utility model relates to a pneumatic clamping anchor clamps of tooth cover processing, which comprises a fixing plate and i, the fixed plate top is equipped with the backup pad, first cylinder has set firmly between backup pad and the fixed plate, first cylinder output end fixedly connected with kicking block, the round hole with the kicking block adaptation is seted up to the backup pad, the kicking block passes the round hole and extends to the backup pad top, the kicking block overcoat is equipped with first sleeve, first sleeve is equipped with three groups of tight devices that rise along circumference equidistant, every group tight device that rises includes two tight poles that rise, first sleeve overcoat is equipped with the supporting seat, tip and backup pad fixed connection under the supporting seat, tight pole that rises all with first sleeve sliding connection, the one end that tight pole that rises is located first sleeve is from supreme first sleeve the central axis of being close to gradually down, the difficult emergence of this application tooth cover is rotated, and has improved the machining precision.

Description

Pneumatic clamping fixture for machining gear sleeve

Technical Field

The application relates to the field of clamps, in particular to a pneumatic clamping clamp for machining a gear sleeve.

Background

The transmission is a mechanism for changing the speed and torque of the engine, and the gear sleeve in the transmission is a main transmission connecting piece and achieves the purpose of power transmission mainly through engaging with other spline structures. In order to ensure the precision in the processing, the position of the gear sleeve needs to be positioned and fixed, and the gear sleeve is generally positioned and fixed manually at present.

Referring to fig. 1, there is a tooth cover 1, and tooth cover 1 is the annular, and 1 inner wall of tooth cover has set firmly a plurality of connecting teeth 11 along circumference, and 1 inner wall of tooth cover has set firmly three connecting block 12 along circumference equidistant, and eccentric groove 13 has all been seted up to connecting block 12.

In view of the above related technologies, the inventor believes that large deviation is easily generated in manual positioning, the fixing effect is not good, and the gear sleeve is easy to rotate, which affects the processing precision.

SUMMERY OF THE UTILITY MODEL

In order to improve the machining precision, this application provides the pneumatic clamping anchor clamps of tooth cover processing.

The application provides pneumatic clamping anchor clamps of tooth cover processing adopts following technical scheme:

pneumatic clamping anchor clamps of tooth cover processing, which comprises a fixing plate, the fixed plate top is equipped with the backup pad, first cylinder has set firmly between backup pad and the fixed plate, first cylinder output end fixedly connected with kicking block, the round hole with the kicking block adaptation is seted up to the backup pad, the kicking block passes the round hole and extends to the backup pad top, the kicking block overcoat is equipped with first sleeve, first sleeve is equipped with three groups of tight devices that rise along circumference equidistant, every group tight device that rises includes two tight poles that rise, first sleeve overcoat is equipped with the supporting seat, tip and backup pad fixed connection under the supporting seat, tight pole all with first sleeve sliding connection that rises, the one end that tight pole that rises is located first sleeve is supreme being close to first sleeve the central axis from down gradually.

Through adopting above-mentioned technical scheme, the ejector pad goes up and down is moved in the top of first cylinder top, promotes two tight poles that rise of the same tight device that rises and slides outside first sleeve, rises and tightly rises the both ends of connecting block, and three tight devices that rise tightly rise respectively with three connecting block, make the gear sleeve be difficult for taking place to rotate when processing, improved the machining precision.

Optionally, the supporting seat is provided with three second sleeves at equal intervals along the circumferential direction, the supporting seat is fixedly provided with three rotary pressing cylinders at equal intervals along the circumferential direction, and output ends of the three rotary pressing cylinders respectively penetrate through the three second sleeves to be fixedly provided with pressing blocks.

Through adopting above-mentioned technical scheme, rotatory air cylinder that pushes down drives the briquetting and rotates 90 and compresses tightly the tooth cover from the tooth cover top, and the tooth cover is difficult for taking place to remove in vertical direction, has improved the machining precision.

Optionally, a return spring is sleeved on a part of the tension rod, which is located in the first sleeve.

Through adopting above-mentioned technical scheme, after first cylinder shrink, reset spring top moves the tight pole of rising and contracts to first sleeve, is convenient for take off the tooth cover, simple structure convenient operation.

Optionally, an arc-shaped plate is fixedly arranged on one side of the tension rod, which is far away from the top block, and a plurality of tooth-shaped protrusions are fixedly arranged on one side of the arc-shaped plate, which is far away from the tension rod.

Through adopting above-mentioned technical scheme, the inner wall adaptation of arc and tooth cover, dentate arch and the connection tooth meshing of connecting block both sides have improved the machining precision to the tooth cover.

Optionally, one end of the pressing block close to the ejector block is provided with a positioning block, and the positioning block is provided with a positioning groove.

Through adopting above-mentioned technical scheme, the user utilizes the locating piece to fix a position the processing position, and the location is convenient and the precision is higher.

Optionally, the upper end of the first sleeve is closed.

Through adopting above-mentioned technical scheme, the produced piece of processing is difficult for getting into in the first sleeve and causes wearing and tearing to the tight device that rises, is favorable to increase of service life.

Optionally, a plurality of anti-skidding lines are arranged on the upper end face of the supporting seat.

Through adopting above-mentioned technical scheme, the roughness of supporting seat upper surface is great, and is better to the fixed effect of tooth cover, and then improves the machining precision.

Optionally, a driving motor is fixedly arranged between the supporting plate and the fixing plate, a gear is fixedly arranged in the driving motor output shaft extending into the first sleeve, racks are fixedly arranged on the tensioning rods, and the racks of the three tensioning devices are engaged with the gear.

Through adopting above-mentioned technical scheme, driving motor drives the gear and rotates, drives rack and tight pole through first gear and extends outside to first sleeve, follows the not equidirectional eccentric recess chucking with the tooth cover, has improved the machining precision.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the tensioning rods and the jacking blocks, the first cylinder jacks the jacking blocks to lift, two tensioning rods of the same set of tensioning devices are pushed to slide outwards of the first sleeve, two ends of the connecting block are tensioned, three sets of tensioning devices respectively tension the three connecting blocks, so that the gear sleeve is not easy to rotate when being machined, and the machining precision is improved;

2. by arranging the pressing block, the rotary pressing cylinder drives the pressing block to rotate by 90 degrees to tightly press the gear sleeve from the upper part of the gear sleeve, the gear sleeve is not easy to move in the vertical direction, and the processing precision is improved;

3. through setting up arc and dentate arch, the inner wall adaptation of arc and tooth cover, the dentate arch meshes with the connection tooth of connecting block both sides, fixes the tooth cover, has improved the machining precision.

Drawings

Fig. 1 is a schematic view of the overall structure of the gear sleeve.

Fig. 2 is a schematic view of the overall structure of embodiment 1 of the present application.

Fig. 3 is a schematic view of the tensioning device.

Fig. 4 is a schematic view of the overall structure of embodiment 2 of the present application.

Fig. 5 is intended to highlight the schematic position of the first gear and the rack.

Description of reference numerals: 1. a gear sleeve; 11. a connecting tooth; 12. connecting blocks; 13. an eccentric groove; 2. a fixing plate; 3. a support plate; 4. a first cylinder; 41. a top block; 31. a first sleeve; 311. a sealing plate; 5. a tensioning device; 51. a tension rod; 32. a supporting seat; 33. a second sleeve; 6. rotating the pressing cylinder; 61. briquetting; 511. a return spring; 513. an arc-shaped plate; 611. positioning blocks; 6111. positioning a groove; 7. a drive motor; 71. a gear; 52. a rack.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses pneumatic clamping anchor clamps of tooth cover processing.

Example 1

Referring to fig. 1 and 2, pneumatic clamping anchor clamps of tooth cover processing, including fixed plate 2, fixed plate 2 is squarely, supports whole anchor clamps, adds man-hour user and places fixed plate 2 levels, and four extreme angle departments of fixed plate 2 all set up threaded hole, and the user utilizes long bolt etc. to pass the screw hole and fixes fixed plate 2 at specific positions such as workstation, fixes the anchor clamps, avoids anchor clamps moving as a whole to drive tooth cover 1 and removes the influence machining precision in the course of working.

Referring to fig. 2 and 3, support shafts are fixedly mounted at four end corners of the fixed plate 2, the support shafts are vertically arranged, the upper end portions of the support shafts are in threaded connection with fixing bolts, a support plate 3 is mounted above the fixed plate 2, the four fixing bolts respectively penetrate through the four end corners of the support plate 3 and are screwed with the corresponding support shafts, and the relative positions of the support plate 3 and the fixed plate 2 are fixed so as to ensure that the support plate 3 is not easy to move in the machining process; the supporting seat 32 is fixedly installed at the middle position of the upper end portion of the top block 41, the supporting seat 32 is annular, solid metal materials are adopted, and the supporting seat is not prone to deformation and long in service life.

Referring to fig. 1 and 2, a user manually places the gear sleeve 1 to be processed on the supporting seat 32, the upper end surface of the supporting seat 32 is provided with a plurality of anti-slip lines, the anti-slip lines increase the roughness of the surface of the supporting seat 32, so that the friction force of the supporting seat 32 on the gear sleeve 1 is increased, and the gear sleeve 1 is not easy to slide relative to the supporting seat 32.

Referring to fig. 2 and 3, a first cylinder 4 is fixedly installed between the supporting plate 3 and the fixing plate 2, the first cylinder 4 is vertically arranged, an output end of the first cylinder 4 is vertically upward, an ejector block 41 is fixedly installed at the output end of the first cylinder 4 penetrating through the wall thickness of the supporting plate 3, a user starts the first cylinder 4, and an output shaft of the first cylinder 4 slides relative to the supporting plate 3 and drives the ejector block 41 to move up and down; the first sleeve 31 is sleeved outside the top block 41, the lower end part of the first sleeve 31 is fixedly installed on the supporting plate 3, the upper end part of the first sleeve 31 is closed, and the top block 41 is driven by the first cylinder 4 to slide up and down in the first sleeve 31.

Referring to fig. 2 and 3, three sets of tensioning devices 5 are installed at equal intervals along the circumferential direction of the first sleeve 31, the three sets of tensioning devices 5 respectively correspond to the three connecting blocks 12 of the gear sleeve 1 (refer to fig. 1), each set of tensioning device 5 includes two tensioning rods 51, an included angle is formed between the two tensioning rods 51, and one ends of the two tensioning rods 51, which are located in the first sleeve 31, gradually approach each other; the tensioning rods 51 are slidably connected with the first sleeve 31, and one end of each set of tensioning devices 5, which is close to each other, of each tensioning rod 51 abuts against the top block 41.

Referring to fig. 2 and 3, one end of the tension rod 51 located in the first sleeve 31 is gradually distant from the central axis of the first sleeve 31 from bottom to top, the upper end of the ejector block 41 is in a truncated cone shape, when the first cylinder 4 drives the ejector block 41 to move upwards, the upper end of the ejector block 41 pushes the tension rod 51 contacting with the upper end of the ejector block outwards towards the first sleeve 31, one side of the tension rod 51 departing from the ejector block 41 is fixedly provided with an arc-shaped plate 513, the radius of the arc-shaped plate 513 is the same as the radius of an inner ring of the gear sleeve 1 (refer to fig. 1), one side of the arc-shaped plate 513 departing from the tension rod 51 is fixedly provided with a plurality of tooth-shaped protrusions, the arc-shaped plate 513 moves along with the tension rod 51 towards a direction away from the first sleeve 31, two arc-shaped plates 513 of the same tension device 5 respectively extend to two sides of the same connecting block 12 (refer to fig. 1), the tooth-shaped protrusions are engaged with the connecting teeth 11 (refer to fig. 1), and the tooth-shaped protrusions of the three tension device 5 respectively clamp the two sides of the three connecting blocks 12 (refer to fig. 1) of the gear sleeve 1) The sleeve gear 1 (see fig. 1) is effectively fixed, and the sleeve gear 1 (see fig. 1) is less likely to rotate, thereby improving the machining accuracy.

Referring to fig. 1 and 2, the supporting seat 32 is provided with three rotary pressing cylinders 6 at equal intervals along the circumferential direction, the rotary pressing cylinders 6 are located between the supporting plate 3 and the fixing plate 2, the output ends of the rotary pressing cylinders 6 penetrate through the wall thickness of the supporting plate 3 and extend to the upper side of the supporting plate 3, the rotary pressing cylinders 6 can drive the output ends of the rotary pressing cylinders to rotate by 90 degrees and slide up and down simultaneously, the output ends of the rotary pressing cylinders 6 are provided with press blocks 61 respectively, when the gear sleeve 1 is installed, the press blocks 61 are perpendicular to the diameter direction of the supporting seat 32, the gear sleeve 1 can not be arranged on a supporting seat by a user, the user starts the rotary pressing cylinders 6 to drive the press blocks 61 to rotate by 90 degrees and slide down simultaneously, the gear sleeve 1 is pressed down from the upper side of the gear sleeve 1, the press blocks 61 are matched with the supporting seat 32 to press the gear sleeve 1, and the fixing effect on the gear sleeve 1 is improved.

Referring to fig. 1 and 2, after the pressing block 61 is pressed down, a positioning block 611 is installed at one end close to the ejector block 41 (refer to fig. 3), positioning grooves 6111 are formed in the positioning blocks 611, after the pressing block 61 presses the gear sleeve 1, a user starts the processing equipment to process the gear sleeve 1, the user clamps the processing equipment into the positioning grooves 6111 to abut against the positioning blocks 611 and rotate relatively, the user is assisted in positioning the processing position, and the processing precision is high.

Referring to fig. 1 and 2, the supporting seat 32 is provided with three second sleeves 33 at equal intervals along the circumferential direction, the three second sleeves 33 are respectively sleeved outside the output ends of the three rotary pressing cylinders 6, the lower end parts of the second sleeves 33 are fixedly connected with the supporting plate 3, the output ends of the rotary pressing cylinders 6 are guided, the output ends of the rotary pressing cylinders 6 are not prone to tilting, abrasion in the working process of the output ends of the rotary pressing cylinders 6 is reduced, and the service life is prolonged.

Referring to fig. 2 and 3, a return spring 511 is installed on a portion, located in the first sleeve 31, of the tension rod 51, one end of the return spring 511 is fixedly connected with the inner wall of the first sleeve 31, the other end of the return spring 511 is fixedly connected with one end, close to the top block 41, of the tension rod 51, when the tension rod 51 is pushed out of the first sleeve 31 by the top block 41, the return spring 511 is compressed, after the processing is completed, a user starts the first cylinder 4 to drive the top block 41 and the top block 41 to descend, the tension rod 51 slides in the sleeve under the action of the return spring 511 and does not tension the gear sleeve 1 (refer to fig. 1), the pressing block 61 is driven to ascend by rotating the pressing cylinder 6 and simultaneously restores the state perpendicular to the tension rod 51, and the user can take out the processed gear sleeve 1 (refer to fig. 1) conveniently.

The implementation principle of the pneumatic clamping fixture for machining the gear sleeve of the embodiment of the application is as follows: the user arranges tooth cover 1 in on supporting seat 32, start first cylinder 4 and drive kicking block 41 and kicking block 41 rebound, kicking block 41 upper end promotes tight pole 51 outside first sleeve 31 with rising, arc 513 follows tight pole 51 and removes to the direction of keeping away from first sleeve 31 that rises, two arcs 513 of same tight device 5 that rises extend to the both ends of same connecting block 12 respectively, the cusp is protruding to be meshed with engaging tooth 11, effectively fix tooth cover 1, tooth cover 1 is difficult for taking place rotatoryly, start rotatory push down cylinder 6 and drive the rotatory 90 simultaneously lapse of briquetting 61, push down tooth cover 1 from tooth cover 1 top, briquetting 61 presss from both sides tooth cover 1 with supporting seat 32 cooperation, tooth cover 1 is difficult for taking place to remove in vertical direction, the machining precision is higher.

Example 2

Referring to fig. 4 and 5, the difference between this embodiment and embodiment 1 is that a driving motor 7 is fixedly installed between the supporting plate 3 and the fixing plate 2, an output shaft of the driving motor 7 vertically penetrates the wall thickness of the supporting plate 3 upwards and is rotatably connected with the supporting plate 3, a user starts the driving motor 7 to drive the output shaft of the driving motor 7 to rotate relative to the supporting plate 3, an output shaft of the driving motor 7 is fixedly installed with a first gear 71, and the first gear 71 rotates synchronously with the output shaft of the driving motor 7.

Referring to fig. 4 and 5, racks 52 are fixedly mounted at one ends of the tension rods 51 close to the first gear 71, the racks 52 mounted on two tension rods 51 of the same tension device 5 are matched with each other, a strip-shaped hole is formed in the middle of one rack 52 in the width direction, the other rack 52 penetrates through the strip-shaped hole, the racks 52 of different tension devices 5 are positioned at different heights and are meshed with the first gear 71, the first gear 71 rotates to drive the tension rod 51 to move towards the outside of the first sleeve 31 through the rack 52, connecting blocks 12 corresponding to the tension device 5 are clamped, and the three tension devices 5 clamp the three connecting blocks 12 respectively, so that the fixing effect is good, and the processing precision is improved; after the processing, the user controls the driving motor 7 to rotate reversely, so as to drive the tension rod 51 to slide in the first sleeve 31, and the gear sleeve 1 is not clamped, so that the user can take down the gear sleeve 1 conveniently.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Pneumatic clamping anchor clamps of tooth cover processing, including fixed plate (2), its characterized in that: fixed plate (2) top is equipped with backup pad (3), first cylinder (4) have set firmly between backup pad (3) and fixed plate (2), first cylinder (4) output end fixedly connected with kicking block (41), the round hole with kicking block (41) adaptation is seted up in backup pad (3), kicking block (41) pass the round hole and extend to backup pad (3) top, kicking block (41) overcoat is equipped with first sleeve (31), first sleeve (31) are equipped with three groups of tight devices (5) that rise along circumference equidistant, every group tight device (5) that rise includes two tight poles (51), first sleeve (31) overcoat is equipped with supporting seat (32), tip and backup pad (3) fixed connection under supporting seat (32), tight pole (51) all with first sleeve (31) sliding connection rise, the one end that tight pole (51) are located first sleeve (31) is supreme being close to first sleeve (31) the central axis from down gradually.

2. The gear sleeve machining pneumatic clamping fixture as claimed in claim 1, characterized in that: the supporting seat (32) is equipped with three second sleeve (33) along circumference equidistant, and three rotatory air cylinder (6) are pushed down to supporting seat (32) along circumference equidistant setting, and three rotatory output of pushing down air cylinder (6) passes three second sleeve (33) respectively and has set firmly briquetting (61).

3. The gear sleeve machining pneumatic clamping fixture as claimed in claim 1, characterized in that: the part of the tension rod (51) positioned in the first sleeve (31) is sleeved with a return spring (511).

4. The gear sleeve machining pneumatic clamping fixture as claimed in claim 1, characterized in that: one side of the tension rod (51) departing from the jacking block (41) is fixedly provided with an arc-shaped plate (513), and one side of the arc-shaped plate (513) departing from the tension rod (51) is fixedly provided with a plurality of dentate bulges.

5. The gear sleeve machining pneumatic clamping fixture as claimed in claim 2, characterized in that: one end of the pressing block (61) close to the ejector block (41) is provided with a positioning block (611), and the positioning block (611) is provided with a positioning groove (6111).

6. The gear sleeve machining pneumatic clamping fixture as claimed in claim 1, characterized in that: and a sealing plate (311) is fixedly arranged at the upper end part of the first sleeve (31).

7. The gear sleeve machining pneumatic clamping fixture as claimed in claim 1, characterized in that: the upper end surface of the supporting seat (32) is provided with a plurality of anti-skid lines.

8. The gear sleeve machining pneumatic clamping fixture as claimed in claim 1, characterized in that: a driving motor (7) is fixedly arranged between the supporting plate (3) and the fixing plate (2), a gear (71) is fixedly arranged in the driving motor (7) with an output shaft extending into the first sleeve (31), racks (52) are fixedly arranged on the tensioning rods (51), and the racks (52) of the three groups of tensioning devices (5) are engaged with the gear (71).