CN222885943U - A kind of instrument processing flip fixture - Google Patents

Abstract

The utility model provides an instrument processing overturning clamp, which relates to the technical field of instrument processing clamps and comprises a mounting box and a clamping mechanism arranged on the outer side of the end part of the mounting box, wherein the clamping mechanism comprises a motor, the motor is arranged on the inner side of one end of the mounting box, a rotating shaft is fixedly connected to the outer side of a main shaft of the motor, a hollow shaft is slidably connected to the outer side of the rotating shaft, the clamping box is arranged on the outer side of one end of the rotating shaft, and the clamping action of a clamping plate on an instrument can be automatically realized by starting a telescopic cylinder through linkage of a series of components such as a rack, a second gear, a first gear, a hollow shaft and a clamping gear, manual operations such as manual adjustment of the distance between clamping heads are not needed, manual operations are reduced, manual operation errors are reduced, and the consistency and stability of clamping are ensured.

Description

Instrument processing overturning clamp

Technical Field

The utility model relates to the technical field of instrument processing clamps, in particular to an instrument processing overturning clamp.

Background

The instrument processing clamp is process equipment for fixing, positioning and clamping instruments in the instrument processing process, and has the main effects of ensuring that the instruments keep correct positions and postures during processing and preventing the instruments from being displaced or vibrated under the action of external forces such as cutting force, gravity and the like.

The traditional instrument processing overturning fixture is used for realizing the clamping of the instrument by mostly relying on manual adjustment of the distance between the clamping heads, so that not only is labor-consuming, but also the clamping consistency of each time is difficult to ensure due to the difference of manual operation, the situation that the clamping is too loose or too tight easily occurs, the position of the instrument is unstable in the processing process, the processing precision is influenced, meanwhile, the risk of human misoperation is increased, the traditional instrument processing overturning fixture is only designed for instruments with specific shapes and specific mounting modes, and the fixture is required to be replaced frequently when different types of instruments are processed, so that the processing efficiency is influenced.

Disclosure of utility model

The utility model aims to provide an instrument processing overturning clamp which can rapidly switch instrument processing surfaces, meet the requirements of processing different surfaces of an instrument in a complex processing technology, greatly shorten the processing period and improve the overall processing efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme that the instrument processing overturning clamp comprises an installation box, a clamping box and clamping plates, wherein the clamping box is rotatably arranged at one end of the installation box, and the two clamping plates are connected with the clamping box in a sliding manner;

The motor and the telescopic cylinder are arranged in the mounting box, the clamping assembly which drives the two clamping plates to slide relatively is arranged in the clamping box, the output end of the motor is connected with a rotating shaft, the outer side of the rotating shaft is connected with a hollow shaft in a sliding manner, the end part of the rotating shaft penetrates through the hollow shaft and then is fixedly connected with the clamping box, and the two ends of the hollow shaft are respectively connected with the telescopic cylinder and the clamping assembly.

Preferably, the clamping assembly comprises a screw rod and a clamping gear, the screw rod is rotatably arranged in the clamping box, the clamping gear is fixedly arranged in the middle of the screw rod, a toothed structure meshed with the clamping gear is arranged on the outer side of the hollow shaft, the clamping plate is in threaded connection with the end part of the screw rod, and the directions of threads at the two ends of the screw rod are opposite.

Preferably, the rack is fixedly connected with the outer side of a piston rod of the telescopic cylinder, a connecting shaft which is rotatably arranged is arranged on the inner side of the mounting box, a first gear and a second gear are rotatably connected on the connecting shaft, the rack is meshed with the second gear, and a toothed structure meshed with the first gear is arranged on the outer side of the hollow shaft.

Preferably, two ends of the connecting shaft are respectively connected with a second gear, and the first gear is arranged in the middle of the connecting shaft.

Preferably, the number of teeth of the first gear is greater than the number of teeth of the second gear.

Preferably, a heat dissipation cover is fixedly connected to one side of the installation box, and the installation box is communicated with the outside through the heat dissipation cover.

Preferably, the inner side of the clamping plate is provided with a first clamping block and a second clamping block, the first clamping block and the second clamping block are mutually perpendicular, and the inner sides of the first clamping block and the second clamping block are arc-shaped structures.

Preferably, rectangular through grooves are formed in the inner sides of the first clamping block and the second clamping block.

Preferably, a clamping pad is fixed on the inner side of the rectangular through groove, and the clamping pad is made of rubber.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. Can hollow shaft and clamping component drive grip block relative movement through the start telescopic cylinder, realize the grip block to the centre gripping action of instrument, need not manual operation such as manual regulation chuck interval, reduce manual intervention, reduce manual misoperation, ensure the uniformity and the stability of centre gripping, when needs upset instrument, start the motor, just can drive centre gripping case and instrument upset rapidly through the rotation axis, can switch instrument machining face fast, satisfy the demand to instrument different face processing in the complicated processing technology, greatly shorten processing cycle, improve whole machining efficiency, the user only need install the device at appointed position, just can develop follow-up instrument centre gripping and processing work, the installation is simple, professional skill requirement to operating personnel is low, can put into use fast, reduce equipment debugging time.

2. When the clamping device is used, the first clamping block and the second clamping block which are vertically designed on the inner side of the clamping plate can adapt to the requirements of various clamping orientations such as horizontal and vertical, different placing requirements on the instrument can be met under the conventional installation posture, or the rectangular through grooves on the inner side of the first clamping block and the second clamping block can be used for adapting to square instruments, so that the universality of the clamp on various instrument shapes and installation modes is greatly improved, and the frequency of replacing the clamp due to the instrument difference is reduced.

3. The clamping pad is made of rubber, can effectively buffer in the clamping process, avoid damage such as scraping and colliding with the instrument caused by rigid contact, practically protect the surface of the instrument, ensure the integrity of the instrument before and after processing, and improve the yield of products.

Drawings

Fig. 1 is a schematic diagram of a front view structure of an instrument processing turning clamp provided by the utility model.

Fig. 2 is a cross-sectional view of a mounting box and a holding box in an instrument processing turning clamp provided by the utility model.

Fig. 3 is a schematic structural view of a clamping gear and a clamping plate in the instrument processing overturning clamp.

Fig. 4 is an enlarged view of a portion a in fig. 2 of an instrument processing turning jig according to the present utility model.

Legend description:

1. Mounting box, 2, clamping box, 21, motor, 22, rotation shaft, 23, hollow shaft, 24, heat dissipation cover, 25, telescopic cylinder, 26, rack, 27, connection shaft, 28, first gear, 29, second gear, 210, screw rod, 211, clamping gear, 212, clamping plate, 213, first clamping block, 214, second clamping block, 215 and clamping pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the instrument processing turning clamp of the present embodiment includes an installation box 1, a clamping box 2 and clamping plates 212, wherein the clamping box 2 is rotatably disposed at one end of the installation box 1, and the two clamping plates 212 are slidably connected with the clamping box 2. One side of the installation box 1 is fixedly connected with a heat dissipation cover 24, the installation box 1 is communicated with the outside through the heat dissipation cover 24, and the heat dissipation cover 24 increases the heat dissipation performance of the device.

Referring to fig. 2-4, a motor 21 and a telescopic cylinder 25 are arranged in the installation box 1, a clamping assembly for driving two clamping plates 212 to slide relatively is arranged in the clamping box 2, an output end of the motor 21 is connected with a rotary shaft 22, a hollow shaft 23 is connected to the outer side of the rotary shaft 22 in a sliding manner, the end part of the rotary shaft 22 penetrates through the hollow shaft 23 and then is fixedly connected with the clamping box 2, two ends of the hollow shaft 23 are respectively connected with the telescopic cylinder 25 and the clamping assembly, and the telescopic cylinder 25 drives the two clamping plates 212 to move relatively through the hollow shaft 23 and the clamping assembly.

The circular through hole formed on one side of the clamping box 2 can be used for the hollow shaft 23 to extend into the clamping box, and the motor 21 drives the clamping box 2 and the clamping plate 212 to rotate through the rotating shaft 22.

The outer side of the hollow shaft 23 in the embodiment is of a toothed structure, a rack 26 is fixedly connected to the outer side of a piston rod of the telescopic cylinder 25, a connecting shaft 27 which is rotatably arranged is arranged on the inner side of the mounting box 1, a first gear 28 and a second gear 29 are rotatably connected to the connecting shaft 27, the rack 26 is meshed with the second gear 29, the first gear 28 is meshed with teeth on the hollow shaft 23, the telescopic cylinder 25 drives the second gear 29 to rotate through the rack 26, and then the first gear 28 is driven to rotate, so that the hollow shaft 23 is pushed to slide on the rotary shaft 22.

Two ends of the connecting shaft 27 in the embodiment are respectively connected with a second gear 29, and the first gear 28 is arranged in the middle of the connecting shaft 27, so as to ensure that the first gear 28 and the hollow shaft 23 are stressed stably. And the number of teeth of the first gear 28 is larger than that of the second gear 29, so that the purpose of deceleration can be achieved.

In other embodiments, the piston rod of the telescopic cylinder 25 can be directly connected with the hollow shaft 23 through a connecting rod, so that the structure is simpler. But telescopic cylinder 25 is in one side of hollow shaft 23, and in the in-process of promoting hollow shaft 23 removal, the junction atress is uneven, and in the repeated course of working, the junction of connecting rod and hollow shaft 23 takes place the fracture easily, so telescopic cylinder 25 preferably adopts the mode drive hollow shaft 23 of gear to remove, promotes hollow shaft 23 removal through the gear rotation, and is comparatively balanced for direct connection, the atress, life is longer.

The clamping assembly in this embodiment includes a screw 210 and a clamping gear 211, the screw 210 is rotatably disposed in the clamping box 2, the clamping gear 211 is fixedly disposed in the middle of the screw 210, teeth on the hollow shaft 23 are meshed with the clamping gear 211, the clamping plates 212 are in threaded connection with the ends of the screw 210, and the directions of the threads at the two ends of the screw 210 are opposite, so that when the clamping gear 211 drives the screw 210 to rotate, the two clamping plates 212 can move relatively.

The clamping plate 212 in this embodiment is of a T-shaped structure, and a first clamping block 213 and a second clamping block 214 are fixedly connected to the inner side of the clamping plate 212, the first clamping block 213 and the second clamping block 214 are perpendicular to each other, and the inner sides of the first clamping block 213 and the second clamping block 214 are of arc structures, so as to clamp a circular instrument.

Rectangular through grooves are formed in the inner sides of the first clamping block 213 and the second clamping block 214, clamping pads 215 are fixed on the inner sides of the rectangular through grooves of the first clamping block 213, the clamping pads 215 are made of rubber, the clamping process can be effectively buffered, damage such as scraping and collision to an instrument caused by rigid contact is avoided, the surface of the instrument is practically protected, the integrity of the instrument before and after machining is ensured, and the product yield is improved.

The instrument can be clamped in multiple directions through the first clamping block 213 and the second clamping block 214, when the device is horizontally installed, the instrument is required to be horizontally clamped on one side of the first clamping block 213, the instrument is required to be vertically clamped on one side of the second clamping block 214, the instrument is required to be clamped on the other side of the instrument, the instrument is arranged inside the rectangular through groove formed in the inner sides of the first clamping block 213 and the second clamping block 214, the rubber clamping pad 215 can prevent the instrument from being damaged, the first clamping block 213 and the second clamping block 214 which are vertically designed in the inner sides of the clamping plates 212 can adapt to the requirements of various clamping positions such as horizontal and vertical, and the like, whether the instrument is required to be placed in different places under the conventional installation posture, or the rectangular through groove is required to be matched on the inner sides of the square instrument, the shape and the installation mode of the instrument are greatly improved, and the frequency of the instrument is reduced due to the difference of the instrument.

The device is arranged at a designated position by a user, at the moment, the user can place an instrument to be clamped at the inner side of a first clamping block 213 or a second clamping block 214, meanwhile, a telescopic cylinder 25 is started, the telescopic cylinder 25 drives a rack 26 to move towards the direction of a clamping box 2, teeth on one side of the rack 26 drive a second gear 29 to rotate, the second gear 29 rotates and simultaneously drives a first gear 28 fixedly connected with the second gear 29 to rotate, the first gear 28 can continuously stir a toothed ring structure on the outer side of the hollow shaft 23, the hollow shaft 23 is pushed to slide on a rotating shaft 22, the hollow shaft 23 can drive the clamping gear 211 to rotate through contact with the outer side of the clamping gear 211 when the inner side of the clamping box 2 moves, screws 210 on the two sides of the clamping gear 211 are driven to rotate, and then, two clamping plates 212 are driven to move towards the middle, and a rectangular through groove formed on one side of the clamping box 2 limits the moving track of the clamping plate 212, so that the instrument can be clamped by a chuck assembly on the outer side of the clamping plate 212.

When the user needs to overturn the instrument, the motor 21 is started, the clamping box 2 and the instrument on one side of the clamping box can be driven to overturn through the rotating shaft 22, the instrument machining surface can be rapidly switched, the requirements on machining different surfaces of the instrument in a complex machining process are met, the machining period is greatly shortened, the overall machining efficiency is improved, the user only needs to install the device at a designated position, the subsequent instrument clamping and machining work can be carried out, the installation process is simple, the professional skill requirement on operators is low, the equipment debugging time is shortened.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matter of the present utility model will still fall within the protection scope of the technical solution of the present utility model.

Claims (9)

1. The instrument processing overturning clamp is characterized by comprising a mounting box (1), clamping boxes (2) and clamping plates (212), wherein the clamping boxes (2) are rotatably arranged at one end of the mounting box (1), and the two clamping plates (212) are in sliding connection with the clamping boxes (2);

Be equipped with motor (21) and flexible cylinder (25) in install bin (1), be equipped with in centre gripping case (2) and drive two grip block (212) relative slip's centre gripping subassembly, the output of motor (21) is connected with rotation axis (22), the outside sliding connection of rotation axis (22) has hollow shaft (23), the tip of rotation axis (22) passes behind hollow shaft (23) fixed connection centre gripping case (2), flexible cylinder (25) and centre gripping subassembly are connected respectively at the both ends of hollow shaft (23).

2. The instrument processing overturning clamp as claimed in claim 1, wherein the clamping assembly comprises a screw rod (210) and a clamping gear (211), the screw rod (210) is rotatably arranged in the clamping box (2), the clamping gear (211) is fixedly arranged in the middle of the screw rod (210), a toothed structure meshed with the clamping gear (211) is arranged on the outer side of the hollow shaft (23), the clamping plate (212) is in threaded connection with the end part of the screw rod (210), and the directions of threads at the two ends of the screw rod (210) are opposite.

3. The instrument processing overturning clamp as claimed in claim 1, wherein a rack (26) is fixedly connected to the outer side of a piston rod of the telescopic cylinder (25), a connecting shaft (27) which is rotatably arranged is arranged on the inner side of the installation box (1), a first gear (28) and a second gear (29) are rotatably connected to the connecting shaft (27), the rack (26) is meshed with the second gear (29), and a toothed structure meshed with the first gear (28) is arranged on the outer side of the hollow shaft (23).

4. The instrument processing overturning clamp as claimed in claim 3, wherein two ends of the connecting shaft (27) are respectively connected with a second gear (29), and the first gear (28) is arranged in the middle of the connecting shaft (27).

5. A meter machining overturning clamp as claimed in claim 3 or 4, wherein the number of teeth of said first gear (28) is greater than the number of teeth of said second gear (29).

6. The instrument processing overturning clamp as claimed in claim 1, wherein one side of the installation box (1) is fixedly connected with a heat dissipation cover (24), and the installation box (1) is communicated with the outside through the heat dissipation cover (24).

7. The instrument processing overturning clamp as claimed in claim 1, wherein a first clamping block (213) and a second clamping block (214) are arranged on the inner side of the clamping plate (212), the first clamping block (213) and the second clamping block (214) are arranged perpendicular to each other, and the inner sides of the first clamping block (213) and the second clamping block (214) are arc-shaped structures.

8. The instrument processing turnover fixture of claim 7, wherein the inner sides of the first clamping block (213) and the second clamping block (214) are respectively provided with a rectangular through groove.

9. The instrument processing overturning clamp as claimed in claim 8, wherein a clamping pad (215) is fixed on the inner side of the rectangular through groove, and the clamping pad (215) is made of rubber.