CN215394781U

CN215394781U - Expansive force quick-change clamp

Info

Publication number: CN215394781U
Application number: CN202121214021.5U
Authority: CN
Inventors: 李宝生; 高军生; 赵波; 魏金龙; 周峥峥; 王明华; 王兴真; 浮德民; 张远峰
Original assignee: Henan Pingyuan Optical & Electronic Co ltd
Current assignee: Henan Pingyuan Optical & Electronic Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-01-04
Anticipated expiration: 2031-06-01

Abstract

The utility model belongs to the technical field of clamps, and particularly relates to an expansive force quick-change clamp which comprises a connecting rod, wherein the upper end of the connecting rod is connected with an adjusting device through a bolt, the end, away from the connecting rod, of the adjusting device is connected with a clamping device, the adjusting device comprises a fixed seat, a positioning pin is arranged on the fixed seat, the lower end inside the fixed seat is connected with a sliding block in a sliding mode, the top end of the fixed seat is provided with an adjusting seat, the bottom of the adjusting seat is provided with a pin hole, the positioning pin is connected with the pin hole in a sliding mode, the lower end of the sliding block is provided with a mounting hole, the middle of the sliding block is connected with a screw rod in a threaded mode, the middle of the screw rod is sleeved with a movable spring, the bottom of the movable spring is provided with a baffle, the baffle is connected with the mounting hole in a sliding mode, the outer side of the upper end of the fixed seat is connected with a plurality of adjusting screws in a threaded mode, and a plurality of return mechanisms are uniformly distributed on the outer side of the upper end of the fixed seat. The clamping device is simple in structure and convenient to operate, the workpiece is clamped through the clamping device, the center of the workpiece is adjusted through the adjusting device, the workpiece can be clamped quickly, and the center of the workpiece can be adjusted quickly.

Description

Expansive force quick-change clamp

Technical Field

The utility model belongs to the technical field of clamps, and particularly relates to an expansion force quick-change clamp.

Background

The "seeker photoelectric detector" is a key part in seeker series products, and is mainly used for detection and aiming. The photoelectric part is a semi-finished customized standard part, secondary finish machining needs to be carried out on the outer circle by taking the dividing center of a lens of a detector as a reference before assembly and assembly, the coaxiality is required to be within 0-0.02 mm, the part machined by the existing alignment machining method is unstable in precision, cannot meet the technical requirements, is low in efficiency, is high in rejection rate, and cannot meet the production requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an expansion force quick-change clamp, which is used for clamping a workpiece through a clamping device, and an adjusting device is used for adjusting the center of the workpiece, so that the workpiece can be quickly clamped, and the center of the workpiece can be quickly adjusted.

An expansion force quick-change clamp comprises a connecting rod, wherein the upper end of the connecting rod is connected with an adjusting device through a bolt, the end, far away from the connecting rod, of the adjusting device is connected with a clamping device, the adjusting device comprises a fixed seat, a positioning pin is arranged on the fixed seat, a sliding block is arranged at the lower end inside the fixed seat, an adjusting seat is arranged at the top end of the fixed seat, a pin hole is formed in the bottom of the adjusting seat, the positioning pin is in sliding connection with the pin hole, a mounting hole is formed in the lower end of the sliding block, a screw rod is in threaded connection with the middle of the sliding block, a moving spring is sleeved in the middle of the screw rod, a baffle is arranged at the bottom of the moving spring, the baffle is in threaded connection with the screw rod, the baffle is in sliding connection with the mounting hole, the top end of the screw rod is in threaded connection with the adjusting seat, a plurality of adjusting screws are in threaded connection with the outer side of the upper end of the fixed seat, the adjusting screws are evenly distributed, and a plurality of return mechanisms are evenly distributed on the outer side of the upper end of the fixed seat, the return mechanisms and the adjusting screws are distributed at intervals.

The clamping device comprises a supporting block, the supporting block is connected with the adjusting seat through a screw, a sliding hole is formed in the middle of the supporting block, a rotating shaft is connected to the side portion of the supporting block through threads, a cam is arranged at the end, close to the sliding hole, of the rotating shaft, a clamping block is connected in the sliding hole in a sliding mode, a cam hole is formed in the middle of the clamping block and is connected with the cam in a sliding mode, a tensioning mandrel is connected to the top end of the clamping block through threads, the upper end of the tensioning mandrel is conical, an outer mandrel is arranged at the top end of the supporting block, a conical hole is formed in the outer mandrel and is connected with the tensioning mandrel in a sliding mode, a sliding groove is formed in the rotating shaft and is far away from the end of the cam, a connecting rod is connected with the supporting block through threads in a sliding mode, and a fastening device is arranged at the top end of the rotating shaft.

Preferably, tightly decide the device including tightly deciding the pole, tightly decide pole and supporting shoe threaded connection, and tightly decide pole lower pot head and be equipped with tightly deciding the spring, tightly decide the spring bottom and be equipped with tightly deciding the pearl, fix the axis of rotation through tightly deciding the spring and tightly deciding the pearl, prevent the axis of rotation.

Preferably, the return mechanism comprises a return block, the return block is in threaded connection with the fixing base, the return block is close to the middle of the end of the adjusting base and is connected with an extruding head in a sliding mode, the end of the extruding head, far away from the end of the adjusting base, is provided with a return spring, the end of the return spring, far away from the end of the extruding head, is provided with a plug, and the plug is in threaded connection with the return block.

Preferably, the adjusting screw is provided with a rotating ball near the adjusting seat, the rotating ball is rotatably connected with the adjusting seat, and the rotating ball is rotatably connected with the adjusting seat, so that friction is reduced, and the adjusting seat is prevented from being abraded.

The utility model also comprises other components which can ensure that the expansion quick-change clamp can be normally used, and the components are conventional technical means in the field. In addition, the undefined devices or components of the present invention are all those conventionally used in the art.

When the adjustable workpiece dividing device is used, a workpiece is placed at the top end of the outer mandrel, the rotating shaft is rotated, the rotating shaft drives the cam to rotate, the cam drives the tensioning mandrel to move downwards, the tensioning mandrel is used for tensioning the tapered hole to enable the outer mandrel to expand outwards axially to clamp the workpiece, the connecting rod is fixed on processing equipment, the center of a dividing part of the workpiece is verified through a detection instrument, when the center of the workpiece needs to be adjusted, the adjusting screw at the corresponding position is adjusted, the adjusting screw pushes the adjusting seat to move, and when the adjusting seat is opened, the extruding head is pushed by the adjusting seat to be far away from the adjusting seat, so that the position of the workpiece is adjusted.

The clamping device has the beneficial effects that the structure is simple, the operation is convenient, the workpiece is clamped through the clamping device, the center of the workpiece is adjusted through the adjusting device, the workpiece can be quickly clamped, and the center of the workpiece can be quickly adjusted.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings, which are included to illustrate and not to limit the present invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.

Examples

As shown in figure 1, the quick-change expansive force clamp comprises a connecting rod 1, wherein the upper end of the connecting rod 1 is connected with an adjusting device through a bolt, the end of the adjusting device, which is far away from the connecting rod 1, is connected with a clamping device, the adjusting device comprises a fixed seat 2, a positioning pin is arranged on the fixed seat 2, a sliding block 3 is arranged at the lower end inside the fixed seat 2, an adjusting seat 16 is arranged at the top end of the fixed seat, a pin hole is arranged at the bottom of the adjusting seat 16, the positioning pin is in sliding connection with the pin hole, a mounting hole is arranged at the lower end of the sliding block 3, a screw 17 is in threaded connection with the middle of the sliding block 3, a movable spring 19 is sleeved at the middle of the screw 17, a baffle plate 18 is arranged at the bottom of the movable spring 19, the baffle plate 18 is in threaded connection with the screw 17, the baffle plate 18 is in sliding connection with the mounting hole, the top end of the screw 17 is in threaded connection with the adjusting seat 16, a plurality of adjusting screws 15 are in threaded connection with the outer side of the upper end of the fixed seat 2, adjusting screw 15 evenly distributed, 2 upper end outsides equipartitions of fixing base have a plurality of return mechanisms, return mechanism and 15 interval distributions of adjusting screw.

The clamping device comprises a supporting block 8, the supporting block 8 is connected with an adjusting seat 16 through a screw, and the middle part in the supporting block 8 is provided with a sliding hole, and the side part of the supporting block 8 is connected with a rotating shaft 13 through a thread, the rotating shaft 13 is provided with a cam 14 near the end of the sliding hole, a clamping block 20 is connected in the sliding hole in a sliding way, a cam hole is arranged in the middle of the clamping block 20, the cam hole is connected with the cam 14 in a sliding way, the top end of the clamping block 20 is connected with a tensioning mandrel 10 in a threaded way, the upper end of the tensioning mandrel 10 is conical, the top end of the supporting block 8 is provided with an outer mandrel 9, a conical hole is arranged in the outer mandrel 9, the tensioning mandrel 10 is connected with the tapered hole in a sliding manner, a sliding groove is arranged at the end, far away from the cam 14, of the rotating shaft 13, a connecting rod 12 is connected in the sliding groove in a sliding mode, the connecting rod 12 is in threaded connection with the supporting block 8, and a fastening device is arranged at the top end of the rotating shaft 13.

Tightly decide the device including tightly decide pole 11, tightly decide pole 11 and supporting shoe threaded connection, and tightly decide 11 pot heads in the pole and tightly decide the spring, tightly decide the spring bottom and be equipped with tightly decide the pearl, fix axis of rotation 13 through tightly deciding the spring and tightly deciding the pearl, prevent axis of rotation 13 rotation.

Return mechanism includes return block 4, return block 4 and 2 threaded connection of fixing base, and return block 4 is close to 16 end middle part sliding connection of adjustment seat and has extrusion head 7, extrusion head 7 is kept away from 16 ends of adjustment seat and is equipped with return spring 6, return spring 6 is kept away from extrusion head 7 and is held and be equipped with end cap 5, end cap 5 and 4 threaded connection of return block.

Adjusting screw 15 is close to adjustment seat 16 end and is equipped with the rotation pearl, the pearl rotates with adjustment seat 16 and is connected, rotates with adjustment seat 16 through rotating the pearl and is connected, reduces the friction, prevents the wearing and tearing of adjustment seat.

When the device is used, a workpiece is placed at the top end of an outer mandrel 9, a rotating shaft 13 is rotated, the rotating shaft 13 drives a cam 14 to rotate, the cam 14 drives a tensioning mandrel 10 to move downwards, the tensioning mandrel 10 is used for tensioning a conical hole to enable the outer mandrel 9 to expand outwards to clamp the workpiece, a connecting rod 1 is fixed on processing equipment, the center of a workpiece is verified through a detection instrument, when the center of the workpiece needs to be adjusted, an adjusting screw 15 in a corresponding position is adjusted, the adjusting screw 15 pushes an adjusting seat 16 to move, and the adjusting seat 16 pushes an extrusion head 7 to be far away from the adjusting seat 16 when the workpiece is communicated, so that the position of the workpiece is adjusted.

Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides an expansive force quick change anchor clamps, includes the connecting rod, its characterized in that: the upper end of the connecting rod is connected with an adjusting device through a bolt, the end of the adjusting device far away from the connecting rod is connected with a clamping device, the adjusting device comprises a fixed seat, a positioning pin is arranged on the fixed seat, a slide block is arranged at the lower end in the fixed seat, an adjusting seat is arranged at the top end of the fixed seat, a pin hole is arranged at the bottom of the adjusting seat, the positioning pin is connected with the pin hole in a sliding way, a mounting hole is arranged at the lower end of the slide block, and the middle part of the sliding block is in threaded connection with a screw rod, the middle part of the screw rod is sleeved with a movable spring, the bottom of the movable spring is provided with a baffle plate, the baffle plate is in threaded connection with the screw rod, the baffle is connected with the mounting hole in a sliding way, the top end of the screw rod is connected with the adjusting seat in a threaded way, the outer side of the upper end of the fixed seat is connected with a plurality of adjusting screws in a threaded way, the adjusting screws are uniformly distributed, a plurality of return mechanisms are uniformly distributed on the outer side of the upper end of the fixed seat, and the return mechanisms and the adjusting screws are distributed at intervals;

2. The expanding force quick-change clamp according to claim 1, wherein: the tightening device comprises a tightening rod, the tightening rod is in threaded connection with the supporting block, a tightening spring is sleeved at the lower end of the tightening rod, and a tightening bead is arranged at the bottom of the tightening spring.

3. The expanding force quick-change clamp according to claim 1, wherein: the return mechanism comprises a return block, the return block is in threaded connection with the fixing base, the return block is close to the middle of the end of the adjusting base and is connected with an extruding head in a sliding mode, the end, far away from the end of the adjusting base, of the extruding head is provided with a return spring, the end, far away from the end of the extruding head, of the return spring is provided with an end cap, and the end cap is in threaded connection with the return block.

4. The expanding force quick-change clamp according to claim 1, wherein: the adjusting screw is provided with a rotating ball near the adjusting seat, and the rotating ball is rotatably connected with the adjusting seat.