CN219275605U

CN219275605U - Location centre gripping frock

Info

Publication number: CN219275605U
Application number: CN202223109477.2U
Authority: CN
Inventors: 郭守军; 许纲; 刘英华; 杨杨
Original assignee: Shenyang Huahang Precision Manufacturing Co ltd
Current assignee: Shenyang Huahang Precision Manufacturing Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-06-30
Anticipated expiration: 2032-11-23

Abstract

The utility model provides a positioning and clamping tool. The positioning and clamping tool comprises: the bottom plate, the top of bottom plate rotates and installs the support column, the top fixed mounting of support column has the medium plate, the top fixed mounting of medium plate has a plurality of risers, a plurality of one side that the riser is close to each other rotates and installs same back shaft, fixed cover is equipped with the pivoted plate on the back shaft, fixed mounting has the grip slipper on the pivoted plate; the clamping mechanism is arranged on the clamping seat; the two locating mechanisms are arranged on the clamping mechanism. The positioning and clamping tool provided by the utility model has the advantages of clamping force control function, convenience in adjusting the direction and angle of a workpiece and convenience in operation.

Description

Location centre gripping frock

Technical Field

The utility model belongs to the technical field of workpiece machining, and particularly relates to a positioning and clamping tool.

Background

A workpiece, a product component in the manufacturing process. Also called parts, pieces, courseware, hardware, etc. When the workpiece is machined, the workpiece is clamped and fixed by using a positioning clamping tool.

In the aircraft part manufacturing process, the push-pull quick clamp positioning clamping tool is required to be used for fixing, but the push-pull quick clamp needs higher proficiency to control the clamping force, so that the clamping force is slightly careless, and certain fragile workpieces are deformed and damaged after being clamped, so that the clamping force is inconvenient.

Therefore, it is necessary to provide a new positioning and clamping tool to solve the above technical problems.

Disclosure of Invention

The utility model solves the technical problem of providing a positioning and clamping tool which has a clamping force control function, is convenient for adjusting the direction and angle of a workpiece and is convenient to operate.

In order to solve the technical problems, the positioning and clamping tool provided by the utility model comprises: the bottom plate, the top of bottom plate rotates and installs the support column, the top fixed mounting of support column has the medium plate, the top fixed mounting of medium plate has a plurality of risers, a plurality of one side that the riser is close to each other rotates and installs same back shaft, fixed cover is equipped with the pivoted plate on the back shaft, fixed mounting has the grip slipper on the pivoted plate; the clamping mechanism is arranged on the clamping seat; the two locating mechanisms are arranged on the clamping mechanism.

As a further scheme of the utility model, a plurality of limiting grooves are formed in the inner wall of the bottom of the clamping seat, and a plurality of sliding grooves are formed in the top of the clamping seat.

As a further scheme of the utility model, the clamping mechanism comprises a double-shaft motor, two screws, two sliding plates and two mounting plates, wherein the double-shaft motor is fixedly arranged on the inner wall of the clamping seat, the two screws are respectively and fixedly arranged on two output shafts of the double-shaft motor, the two screws are respectively and rotatably connected with the inner wall of the clamping seat, the two sliding plates are respectively and threadedly sleeved on the two screws, the bottoms of the two sliding plates respectively extend to the inner parts of the two limiting grooves, the two sliding plates are respectively and slidably connected with the inner walls of the two sides of the two sliding grooves, and the two mounting plates are respectively and fixedly arranged on the two sliding plates.

As a further scheme of the utility model, the positioning mechanism comprises a plurality of sliding rods, a clamping plate, a plurality of springs and a plurality of annular pressure sensors, wherein the sliding rods are all slidably mounted on the mounting plate, the clamping plate is fixedly mounted at one ends of the sliding rods, the springs are respectively sleeved on the sliding rods in a sliding manner, the annular pressure sensors are respectively sleeved on the sliding rods in a sliding manner, and limiting blocks are fixedly mounted at the other ends of the sliding rods.

As a further scheme of the utility model, the top of the middle plate is fixedly provided with a stepping motor, and an output shaft of the stepping motor is fixedly connected with the supporting shaft.

As a further scheme of the utility model, a servo motor is fixedly arranged at the top of the bottom plate, a driving bevel gear is fixedly arranged on an output shaft of the servo motor, a driven bevel gear is fixedly sleeved on the support column, and the driving bevel gear is meshed with the driven bevel gear.

As a further scheme of the utility model, a controller is arranged on one side of the clamping seat, and the controller is electrically connected with the double-shaft motor, the annular pressure sensors, the stepping motor and the servo motor.

Compared with the related art, the positioning and clamping tool provided by the utility model has the following beneficial effects:

the utility model provides a positioning and clamping tool which comprises: can rotate the support to the centering plate through the support column, can install the rotation board through the back shaft, can carry out the centre gripping to the work piece fixedly through fixture, can monitor the clamping strength of work piece through two positioning mechanism, thereby prevent to lead to the circumstances that the work piece warp because of the clamping strength is too big, can be spacing two sliding plates through a plurality of spacing grooves and a plurality of spout, can drive the back shaft through step motor and rotate, thereby adjust the angle of work piece, can drive the support column through servo motor, initiative bevel gear and driven bevel gear and rotate, thereby adjust the direction of work piece, can control the device through the controller.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

FIG. 1 is a schematic diagram of a positioning and clamping tool according to a preferred embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;

fig. 3 is an enlarged schematic view of the portion B in fig. 1.

In the figure: 1. a bottom plate; 2. a support column; 3. a middle plate; 4. a riser; 5. a support shaft; 6. a rotating plate; 7. a clamping seat; 8. a limit groove; 9. a chute; 10. a biaxial motor; 11. a screw; 12. a sliding plate; 13. a mounting plate; 14. a slide bar; 15. a clamping plate; 16. a spring; 17. an annular pressure sensor; 18. a stepping motor; 19. a servo motor; 20. a drive bevel gear; 21. a driven bevel gear; 22. and a controller.

Detailed Description

Referring to fig. 1, fig. 2, and fig. 3 in combination, fig. 1 is a schematic front sectional view of a preferred embodiment of a positioning and clamping tool according to the present utility model; FIG. 2 is an enlarged schematic view of the portion A in FIG. 1; fig. 3 is an enlarged schematic view of the portion B in fig. 1. The location centre gripping frock includes: the bottom plate 1, the top of bottom plate 1 rotates and installs support column 2, the top of support column 2 fixedly installs medium plate 3, the top of medium plate 3 fixedly installs a plurality of risers 4, a plurality of one side that riser 4 is close to each other rotates and installs same back shaft 5, fixed cover is equipped with rotating plate 6 on the back shaft 5, fixed mounting has grip slipper 7 on the rotating plate 6; the clamping mechanism is arranged on the clamping seat 7; the two positioning mechanisms are arranged on the clamping mechanism, the supporting column 2 can rotate and support the middle plate 3, the supporting shaft 5 can be used for installing the rotating plate 6, the workpiece can be clamped and fixed through the clamping mechanism, and the clamping force of the workpiece can be monitored through the two positioning mechanisms, so that the deformation of the workpiece caused by overlarge clamping force is prevented.

A plurality of limiting grooves 8 are formed in the inner wall of the bottom of the clamping seat 7, a plurality of sliding grooves 9 are formed in the top of the clamping seat 7, and two sliding plates 12 can be limited through the limiting grooves 8 and the sliding grooves 9.

The clamping mechanism comprises a double-shaft motor 10, two screw rods 11, two sliding plates 12 and two mounting plates 13, wherein the double-shaft motor 10 is fixedly installed on the inner wall of a clamping seat 7, the two screw rods 11 are respectively fixedly installed on two output shafts of the double-shaft motor 10, the two screw rods 11 are both rotationally connected with the inner wall of the clamping seat 7, the two sliding plates 12 are respectively sleeved on the two screw rods 11 in a threaded manner, the bottoms of the two sliding plates 12 are respectively extended to the interiors of the two limiting grooves 8, the two sliding plates 12 are respectively in sliding connection with the two inner walls of two sides of a sliding groove 9, and the two mounting plates 13 are respectively fixedly installed on the two sliding plates 12 and can clamp and fix workpieces through the clamping mechanism.

The positioning mechanism comprises a plurality of sliding rods 14, a clamping plate 15, a plurality of springs 16 and a plurality of annular pressure sensors 17, wherein the sliding rods 14 are slidably mounted on the mounting plate 13, the clamping plate 15 is fixedly mounted at one ends of the sliding rods 14, the springs 16 are slidably sleeved on the sliding rods 14 respectively, the annular pressure sensors 17 are slidably sleeved on the sliding rods 14 respectively, limiting blocks are fixedly mounted at the other ends of the sliding rods 14, and clamping force of a workpiece can be monitored through the two positioning mechanisms, so that deformation of the workpiece caused by overlarge clamping force is prevented.

The top of the middle plate 3 is fixedly provided with a stepping motor 18, an output shaft of the stepping motor 18 is fixedly connected with the supporting shaft 5, and the supporting shaft 5 can be driven to rotate through the stepping motor 18, so that the angle of a workpiece is adjusted.

The top of the bottom plate 1 is fixedly provided with a servo motor 19, an output shaft of the servo motor 19 is fixedly provided with a drive bevel gear 20, the support column 2 is fixedly sleeved with a driven bevel gear 21, the drive bevel gear 20 is meshed with the driven bevel gear 21, and the support column 2 can be driven to rotate through the servo motor 19, the drive bevel gear 20 and the driven bevel gear 21, so that the direction of a workpiece is adjusted.

One side of the clamping seat 7 is provided with a controller 22, the controller 22 is electrically connected with the double-shaft motor 10, the annular pressure sensors 17, the stepping motor 18 and the servo motor 19, and the device can be controlled through the controller 22.

The working principle of the positioning and clamping tool provided by the utility model is as follows:

when the clamping device is used, a workpiece is placed between two clamping plates 15, a double-shaft motor 10 is started through a controller 22, the double-shaft motor 10 drives two screws 11 to rotate, the two screws 11 rotate to drive two sliding plates 12, two mounting plates 13 and two clamping plates 15 to be close to each other, the workpiece is clamped and positioned through the two clamping plates 15 to be close to each other, clamping force is monitored through a plurality of annular pressure sensors 17 in the clamping and positioning process, and when the clamping force exceeds a preset threshold value, the controller 22 controls the double-shaft motor 10 to be closed, so that the workpiece is prevented from being deformed and damaged;

when the angle of a workpiece needs to be adjusted, starting a stepping motor 18, wherein the stepping motor 18 drives a supporting shaft 5 to rotate, the supporting shaft 5 drives a rotating plate 6 to rotate, and the rotating plate 6 drives a clamping seat 7 to rotate so as to adjust the angle of the workpiece;

when the direction of a workpiece needs to be adjusted, the servo motor 19 is started, the servo motor 19 drives the driving bevel gear 20 to rotate, the driving bevel gear 20 drives the driven bevel gear 21 to rotate, the driven bevel gear 21 drives the support column 2 to rotate, and the workpiece can be indirectly driven to rotate through the rotation of the support column 2, so that the angle of the workpiece is adjusted, and the device can also be used for machining aircraft parts and mechanical parts.

the utility model provides a positioning and clamping tool, which can rotationally support a middle plate 3 through a support column 2, can be provided with a rotating plate 6 through a support shaft 5, can clamp and fix a workpiece through a clamping mechanism, can monitor the clamping force of the workpiece through two positioning mechanisms, so as to prevent the deformation of the workpiece caused by overlarge clamping force, can limit two sliding plates 12 through a plurality of limiting grooves 8 and a plurality of sliding grooves 9, can drive the support shaft 5 to rotate through a stepping motor 18, so as to adjust the angle of the workpiece, can drive the support column 2 to rotate through a servo motor 19, a drive bevel gear 20 and a driven bevel gear 21, so as to adjust the direction of the workpiece, and can control the device through a controller 22.

It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents, and in other related technical fields, which are equally encompassed by the scope of the present utility model.

Claims

1. Location centre gripping frock, its characterized in that includes:

the bottom plate, the top of bottom plate rotates and installs the support column, the top fixed mounting of support column has the medium plate, the top fixed mounting of medium plate has a plurality of risers, and a plurality of one side that the riser is close to each other rotates and installs same back shaft, fixed cover is equipped with the rotor plate on the back shaft, fixed mounting has the grip block on the rotor plate, a plurality of spacing grooves have been seted up on the bottom inner wall of grip block, a plurality of spouts have been seted up at the top of grip block;

the clamping mechanism is arranged on the clamping seat and comprises a double-shaft motor, two screw rods, two sliding plates and two mounting plates, wherein the double-shaft motor is fixedly arranged on the inner wall of the clamping seat, the two screw rods are respectively and fixedly arranged on two output shafts of the double-shaft motor, the two screw rods are both rotationally connected with the inner wall of the clamping seat, the two sliding plates are respectively sleeved on the two screw rods in a threaded manner, the bottoms of the two sliding plates respectively extend to the interiors of the two limiting grooves, the two sliding plates are respectively and slidably connected with the inner walls of the two sides of the two sliding grooves, and the two mounting plates are respectively and fixedly arranged on the two sliding plates;

the two locating mechanisms are arranged on the clamping mechanism.

2. The positioning and clamping tool according to claim 1, wherein the positioning mechanism comprises a plurality of sliding rods, a clamping plate, a plurality of springs and a plurality of annular pressure sensors, the sliding rods are slidably mounted on the mounting plate, the clamping plate is fixedly mounted at one ends of the sliding rods, the springs are slidably sleeved on the sliding rods respectively, the annular pressure sensors are slidably sleeved on the sliding rods respectively, and limiting blocks are fixedly mounted at the other ends of the sliding rods.

3. The positioning and clamping tool according to claim 2, wherein a stepping motor is fixedly installed on the top of the middle plate, and an output shaft of the stepping motor is fixedly connected with the supporting shaft.

4. The positioning and clamping tool according to claim 3, wherein a servo motor is fixedly arranged at the top of the bottom plate, a driving bevel gear is fixedly arranged on an output shaft of the servo motor, a driven bevel gear is fixedly sleeved on the support column, and the driving bevel gear is meshed with the driven bevel gear.

5. The positioning and clamping tool according to claim 4, wherein a controller is arranged on one side of the clamping seat, and the controller is electrically connected with the double-shaft motor, the plurality of annular pressure sensors, the stepping motor and the servo motor.