CN220427611U - Adjustable clamp for numerical control machine tool machining - Google Patents

Abstract

The utility model discloses an adjustable clamp for machining a numerical control machine tool, which comprises a plurality of clamping groups, wherein each clamping group comprises a fixing device and a clamping device; the working platform is provided with a plurality of threaded holes and is fixedly connected with the numerical control machine tool; the fixing device is fixedly connected with the working platform through bolts, and the clamping device is fixedly connected to one side of the fixing device; the clamping device comprises a fixing seat I, a connecting seat, a connecting table, rollers, a connecting box, a chain wheel I, a bevel gear I, a fixing seat II, a connecting plate, a chain wheel II, a clamping plate I, a clamping plate II, a fixing block, a connecting cylinder, a spring, a clamping plate III, a clamping block, a motor II, a motor III, a hydraulic cylinder, a rotating cylinder and a bevel gear II. The utility model can adjust the angle of clamping the workpiece by the clamp and can stably clamp and fix the polyhedral workpiece by mutually matching different clamps.

Description

Adjustable clamp for numerical control machine tool machining

Technical Field

The utility model belongs to the technical field of numerical control machining, and particularly relates to an adjustable clamp for machining a numerical control machine tool.

Background

The numerical control machine tool needs to enable a workpiece to have an accurate clamping position relative to the machine tool or the cutter in the machining process, so that the workpiece is pressed by an adjustable clamp for machining of the numerical control machine tool, the cutter is prevented from being flicked, and the clamping position of the workpiece is kept unchanged in the machining process;

according to the search, patent number 202320328768.6 discloses a clamp tool for an intelligent numerical control machine tool, which is convenient to replace, the device controls an output shaft to drive a first sliding plate and a second sliding plate to move through a driving motor, and a clamping plate clamping block welded on one side is arranged in a clamping groove on one side of the first sliding plate and the second sliding plate through the matching of a connecting rod, the clamping groove and the clamping plate; the clamp for the adjustable numerical control machine tool has the patent number 202222436201.9, the device controls the transmission shaft to rotate through the rotating control handle, and simultaneously drives the second screw rod to start rotating to drive the moving block to move, under the action of the moving block, the sliding block can move on the sliding rod, the supporting plate drives the clamp body on the first screw rod to transversely move, and the clamp body can be transversely adjusted; when a numerical control machine tool is used for machining a workpiece, the side edge of the workpiece can be required to be machined, but the two devices can only control the clamp to drive the workpiece to transversely move, and the angle of the workpiece can not be adjusted, so that the workpiece can be removed and clamped again after one side of the workpiece is machined, the other surfaces can be machined, the clamp in the device is single in form, and the workpiece of a polyhedron can not be clamped firmly for machining, for example, the polyhedron is a polyhedron formed by planes and arc surfaces; in view of the above, an adjustable clamp for machining a numerical control machine tool is provided, which can adjust the angle of clamping a workpiece by the clamp and can perform stable clamping and fixing on a polyhedral workpiece by mutually matching different clamps.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides an adjustable clamp for machining a numerical control machine tool.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

an adjustable clamp for machining a numerical control machine tool comprises a plurality of clamping groups, wherein each clamping group comprises a fixing device and a clamping device; the working platform is provided with a plurality of threaded holes and is fixedly connected with the numerical control machine tool; the fixing device is fixedly connected with the working platform through bolts, and the clamping device is fixedly connected to one side of the fixing device; the fixing device comprises a mounting box, a mounting plate, a threaded rod, a rotating seat, a gear ring and a motor I; the mounting box is fixedly connected above the working platform, and a pair of mounting plates are arranged in the mounting box; the rotating seats are provided with a plurality of gears, and the rotating seats are rotationally connected between a pair of mounting plates; the threaded rods are provided with a plurality of threaded rods, one ends of the threaded rods are fixedly connected with the connecting table, the other ends of the threaded rods penetrate through holes in the mounting box and are provided with limiting blocks, and the threaded rods are in threaded connection with the rotating seats in the mounting box; the inner side and the outer side of the gear ring are provided with gear teeth, the gear ring is rotationally connected between a pair of mounting plates, and the gear teeth on the outer side of the gear ring are meshed with gears on a plurality of rotating seats; the motor I is fixedly connected inside the installation box through a motor base, and the output end of the motor I is provided with a gear meshed with the gear teeth on the inner side of the gear ring.

The clamping device comprises a fixing seat I, a connecting seat, a connecting table, rollers, a connecting box, a sprocket I, a bevel gear I, a fixing seat II, a connecting plate, a sprocket II, a clamping plate I, a clamping plate II, a fixing block, a connecting cylinder, a spring, a clamping plate III, a clamping block, a motor II, a motor III, a hydraulic cylinder, a rotating cylinder and a bevel gear II; the connecting seats are provided with a pair of connecting tables, and the idler wheels are rotationally connected with the connecting tables on the connecting seats below; the connecting box and the motor seat are relatively fixed at two sides of the connecting seat; one side of the chain wheel I is rotationally connected with a connecting seat above the chain wheel I through a connecting shaft, and the other end of the chain wheel I penetrates through a connecting box through the connecting shaft to be fixedly connected with the bevel gear I; the fixing seat II is fixedly connected below the fixing seat I through the cooperation of the bolt and the connecting plate, the fixing seat I and the fixing seat II are rotationally connected between a pair of connecting seats, and the bottom of the fixing seat II is fixedly connected with a chain wheel II through a connecting shaft; the motor II and the motor III are respectively fixedly connected with motor bases on the pair of connecting seats, the output ends of the motor II and the motor III respectively penetrate through connecting boxes on the pair of connecting seats to be fixedly connected with chain wheels, the chain wheels on the output end of the motor II are connected with the chain wheels II through chains, and the chain wheels on the motor III are connected with the chain wheels I through chains; the rotating cylinder is provided with a plurality of bevel gears II which are uniformly and rotatably connected between the fixed seat I and the fixed seat II, and one end of the rotating cylinder is fixedly connected with the bevel gears I; the clamping plate II is provided with a plurality of connecting cylinders, the fixed block is connected in the connecting cylinders in a sliding manner, and the springs are in contact with the bottoms of the fixed blocks in the connecting cylinders; the clamping plate III is provided with a plurality of threaded holes; and a pair of grip blocks pass through bolt fixed connection on grip block III, pneumatic cylinder fixed connection is in rotating a section of thick bamboo, and the end that stretches out of a plurality of pneumatic cylinders is fixedly connected with grip block I, grip block II and grip block III respectively.

Preferably, four groups of clamping groups can be fixedly connected on the working platform through bolts, clamping devices in the four groups of clamping groups extend out through the control hydraulic cylinder to drive clamping blocks on the clamping plate III to be attached to cylindrical workpieces to clamp and fix the cylindrical workpieces, and the clamping plate III and the clamping blocks can clamp the cylindrical workpieces with different diameters by changing the fixing positions of the clamping blocks on the clamping plate III.

Three clamping groups can be fixedly connected on the working platform through bolts, and clamping devices in the three clamping groups extend out through the control hydraulic cylinder to drive the clamping plate I to be attached to the triangular prism workpiece to clamp and fix the triangular prism workpiece.

Two groups of clamping groups can be fixedly connected on the working platform through bolts, clamping devices in one group of clamping groups extend out to drive clamping plates I to be attached to the middle plane of a workpiece through a control hydraulic cylinder, clamping devices in the other group of clamping groups extend out to drive clamping plates II to be attached to the workpiece through the control hydraulic cylinder, and fixing blocks on the clamping plates II are matched with connecting cylinders and springs, so that the fixing blocks can be maximally attached to cambered surfaces with protrusions or depressions in the workpiece, and accordingly the clamping plates I and the clamping plates II are matched to clamp and fix the polyhedral workpiece.

Compared with the prior art, the utility model has the beneficial effects that:

1) The motor I controls the gear ring to drive the rotating seat to rotate so as to control the threaded rods on two sides of the mounting box to control the clamping devices to be close to each other, so that the clamping devices move to a position capable of clamping a workpiece to clamp and fix the workpiece, and the workpiece is conveniently machined by the numerical control machine tool;

2) The motor II is controlled to drive the fixing seat II to rotate, the clamping plate I, the clamping plate II or the clamping plate III in the clamping device can be moved to a position corresponding to the workpiece, and then the hydraulic cylinder is controlled to extend out, so that the clamping plate I, the clamping plate II or the clamping plate III can be attached to the workpiece, and the workpiece is clamped and fixed;

3) The chain wheel I can drive the bevel gear I to control the bevel gear II to rotate through the motor III, so that the rotating cylinder control hydraulic cylinder drives the clamping plate I and the clamping plate II to rotate, the inclination angle of a workpiece is changed, and the numerical control machine tool can obliquely machine holes, grooves and the like on the workpiece.

Drawings

FIG. 1 is a schematic diagram of an adjustable clamp for numerical control machine tool machining;

FIG. 2 is a schematic view of the structure of the connection between the clamping groups and the working platform in FIG. 1;

FIG. 3 is a schematic view of the structure of the clamping device of FIG. 2 for clamping a cylindrical workpiece;

FIG. 4 is a schematic view of the structure of the several clamping groups of FIG. 1 connected to the work platform;

FIG. 5 is a schematic view of a structure in which the clamping device in FIG. 4 clamps a triangular prism;

FIG. 6 is a schematic view of the structure of the several clamping groups of FIG. 1 connected to the work platform;

FIG. 7 is a schematic view of a structure in which the clamping device of FIG. 1 clamps a polyhedral workpiece;

FIG. 8 is a schematic view of the attachment structure of the securing device and the clamping device of FIG. 1;

FIG. 9 is a schematic view of the internal structure of the mounting box of FIG. 1;

FIG. 10 is a schematic view of the clamping device of FIG. 1;

FIG. 11 is a schematic diagram of a connection structure between the motor II and the motor III in FIG. 1 and the connection base;

FIG. 12 is a schematic view of the internal structure of the fixing base I and the fixing base II in FIG. 1;

FIG. 13 is a schematic view of the structure of the clamping plate II in FIG. 1;

in the figure: 1. a working platform; 2. a fixing device; 201. a mounting box; 2011. a mounting plate; 202. a threaded rod; 2021. a rotating seat; 203. a gear ring; 204. a motor I; 3. a clamping device; 301. a fixed seat I; 302. a connecting seat; 3021. a connection station; 3022. a roller; 3023. a connection box; 3025. a chain wheel I; 3026. bevel gears I; 303. a fixing seat II; 3031. a connecting plate; 3032. a chain wheel II; 304. a clamping plate I; 305. a clamping plate II; 3051. a fixed block; 3052. a connecting cylinder; 3053. a spring; 306. a clamping plate III; 3061. a clamping block; 307. a motor II; 3071. a motor III; 308. a hydraulic cylinder; 309. a rotating cylinder; 3091. bevel gears II; 4. and (5) a numerical control machine tool.

Detailed Description

The technical scheme of the present utility model will be further specifically described below with reference to fig. 1 to 13 for the convenience of understanding of those skilled in the art.

An adjustable clamp for machining a numerical control machine tool comprises a plurality of clamping groups, wherein each clamping group comprises a fixing device 2 and a clamping device 3; the working platform 1 is provided with a plurality of threaded holes, and the working platform 1 is fixedly connected with the numerical control machine 4; the fixing device 2 is fixedly connected with the working platform 1 through bolts, and the clamping device 3 is fixedly connected to one side of the fixing device 2; the fixing device 2 comprises a mounting box 201, a mounting plate 2011, a threaded rod 202, a rotating base 2021, a gear ring 203 and a motor I204; the installation box 201 is fixedly connected above the working platform 1, and a pair of installation plates 2011 are arranged inside the installation box 201; the rotating base 2021 is provided with a plurality of gears, and the rotating base 2021 is rotatably connected between a pair of mounting plates 2011; the threaded rod 202 is provided with a plurality of threaded rods, one end of the threaded rod 202 is fixedly connected with the connecting table 3021, the other end of the threaded rod 202 passes through a through hole in the mounting box 201 and is provided with a limiting block, and the threaded rod 202 is in threaded connection with the rotating base 2021 inside the mounting box 201; gear teeth are arranged on the inner side and the outer side of the gear ring 203, the gear ring 203 is rotatably connected between a pair of mounting plates 2011, and the gear teeth on the outer side of the gear ring 203 are meshed with gears on a plurality of rotating seats 2021; the motor I204 is fixedly connected inside the installation box 201 through a motor seat, and a gear meshed with the gear teeth on the inner side of the gear ring 203 is arranged at the output end of the motor I204; the motor I204 controls the gear ring 203 to drive the rotating seat 2021 to rotate, so that the threaded rods 202 on two sides of the mounting box 201 are controlled to control the clamping devices 3 to be close to each other, the clamping devices 3 move to a position capable of clamping a workpiece to clamp the workpiece, and the workpiece is clamped and fixed, so that the workpiece can be machined by the numerical control machine tool conveniently.

The clamping device 3 comprises a fixing seat I301, a connecting seat 302, a connecting table 3021, a roller 3022, a connecting box 3023, a chain wheel I3025, a bevel gear I3026, a fixing seat II 303, a connecting plate 3031, a chain wheel II 3032, a clamping plate I304, a clamping plate II 305, a fixing block 3051, a connecting cylinder 3052, a spring 3053, a clamping plate III 306, a clamping block 3061, a motor II 307, a motor III 3071, a hydraulic cylinder 308, a rotating cylinder 309 and a bevel gear II 3091; the connecting seat 302 is provided with a pair of connecting seats 302, the connecting seat 302 is provided with a connecting table 3021, and the roller 3022 is rotatably connected with the connecting table 3021 on the lower connecting seat 302; the connecting box 3023 and the motor base are relatively fixed at two sides of the connecting base 302; one side of the chain wheel I3025 is rotationally connected with the connecting seat 302 above through a connecting shaft, and the other end of the chain wheel I3025 passes through the connecting box 3023 through the connecting shaft to be fixedly connected with the bevel gear I3026; the fixed seat II 303 is fixedly connected below the fixed seat I301 through the matching of bolts and the connecting plate 3031, the fixed seat I301 and the fixed seat II 303 are rotatably connected between a pair of connecting seats 302, and the bottom of the fixed seat II 303 is fixedly connected with a chain wheel II 3032 through a connecting shaft; the motor II 307 and the motor III 3071 are respectively and fixedly connected with motor bases on the pair of connecting bases 302, the output ends of the motor II 307 and the motor III 3071 respectively penetrate through connecting boxes 3023 on the pair of connecting bases 302 to be fixedly connected with chain wheels, the chain wheels on the output end of the motor II 307 are connected with the chain wheels II 3032 through chains, and the chain wheels on the motor III 3071 are connected with the chain wheels I3025 through chains; the rotating cylinder 309 is provided with a plurality of bevel gears II 3091 which are uniformly and rotatably connected between the fixed seat I301 and the fixed seat II 303, and one end of the rotating cylinder 309 is fixedly connected with a bevel gear I3026; the clamping plate II 305 is provided with a plurality of connecting cylinders 3052, the fixed block 3051 is slidably connected in the connecting cylinders 3052, and the springs 3053 are in contact with the bottoms of the fixed blocks 3051 in the connecting cylinders 3052; the clamping plate III 306 is provided with a plurality of threaded holes, and a pair of clamping blocks 3061 are fixedly connected to the clamping plate III 306 through bolts; the hydraulic cylinders 308 are fixedly connected in the rotating cylinder 309, and the extending ends of the hydraulic cylinders 308 are respectively and fixedly connected with a clamping plate I304, a clamping plate II 305 and a clamping plate III 306; the control motor II 307 drives the fixing seat II 303 to rotate, the clamping plate I304, the clamping plate II 305 or the clamping plate III 306 in the clamping device 3 can be moved to a position corresponding to the workpiece, and then the hydraulic cylinder 308 is controlled to extend, so that the clamping plate I304, the clamping plate II 305 or the clamping plate III 306 can be attached to the workpiece, and the workpiece is clamped and fixed.

As shown in fig. 2 of the drawings of the specification, four groups of clamping groups can be fixedly connected on the working platform 1 through bolts, and as shown in fig. 3, the clamping devices 3 in the four groups of clamping groups extend out through the control hydraulic cylinders 308 to drive the clamping blocks 3061 on the clamping plate III 306 to be attached to cylindrical workpieces to clamp and fix the cylindrical workpieces, and the clamping plate III 306 and the clamping blocks 3061 can clamp the cylindrical workpieces with different diameters by changing the fixing positions of the clamping blocks 3061 on the clamping plate III 306.

As shown in fig. 4 of the drawings, three groups of clamping groups can be fixedly connected on the working platform 1 through bolts, and as shown in fig. 5, the clamping devices 3 in the three groups of clamping groups drive the clamping plate I304 to be attached to the triangular prism workpiece to clamp and fix the triangular prism workpiece through controlling the hydraulic cylinder 308 to extend.

As shown in fig. 6 in the drawings of the specification, two groups of clamping groups can be fixedly connected on the working platform 1 through bolts, and as shown in fig. 7, the clamping devices 3 in one group of clamping groups extend out through the control hydraulic cylinder 308 to drive the clamping plate I304 to be attached to the middle plane of the workpiece, the clamping devices 3 in the other group of clamping groups extend out through the control hydraulic cylinder 308 to drive the clamping plate II 305 to be attached to the workpiece, and the fixing block 3051 on the clamping plate II 305 is matched with the connecting cylinder 3052 and the spring 3053, so that the fixing block 3051 can be maximally attached to the workpiece and provided with a convex or concave cambered surface, and the clamping plate I304 and the clamping plate II 305 are matched to clamp and fix the polyhedral workpiece; the motor III 3071 can drive the chain wheel I3025 to drive the bevel gear I3026 to control the bevel gear II 3091 to rotate, so that the rotating cylinder 309 controls the hydraulic cylinder 308 to drive the clamping plate I304 and the clamping plate II 305 to rotate, the inclination angle of a workpiece is changed, and the numerical control machine tool can obliquely machine holes, grooves and the like on the workpiece.

An adjustable clamp for numerical control machine tool machining, the working process is as follows:

a plurality of clamping groups are fixed on the working platform 1 through bolts, the motor I204 controls the gear ring 203 to drive the rotating seat 2021 to rotate, so that the threaded rods 202 on two sides of the mounting box 201 are controlled to control the clamping devices 3 to be close to each other, and the clamping devices 3 are moved to a position capable of clamping workpieces; then the motor II 307 is controlled to drive the fixing seat II 303 to rotate, the clamping plate I304, the clamping plate II 305 or the clamping plate III 306 in the clamping device 3 is moved to a position corresponding to the workpiece, and then the hydraulic cylinder 308 is controlled to extend, so that the clamping plate I304, the clamping plate II 305 or the clamping plate III 306 is attached to the workpiece to clamp and fix the workpiece, and the chain wheel I3025 can be driven by the motor III 3071 to drive the bevel gear I3026 to control the bevel gear II 3091 to rotate, so that the rotating cylinder 309 is controlled by the hydraulic cylinder 308 to drive the clamping plate I304 and the clamping plate II 305 to rotate, the inclination angle of the workpiece is changed, and the numerical control machine tool can obliquely machine holes, grooves and the like on the workpiece.

The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.

Claims (4)

1. An adjustable clamp for machining a numerical control machine tool comprises a plurality of clamping groups, wherein each clamping group comprises a fixing device and a clamping device; the working platform is provided with a plurality of threaded holes and is fixedly connected with the numerical control machine tool; the fixing device is fixedly connected with the working platform through bolts, and the clamping device is fixedly connected to one side of the fixing device;

the device is characterized by comprising a mounting box, a mounting plate, a threaded rod, a rotating seat, a gear ring and a motor I; the mounting box is fixedly connected above the working platform, and a pair of mounting plates are arranged in the mounting box; the rotating seats are provided with a plurality of gears, and the rotating seats are rotationally connected between a pair of mounting plates; the threaded rods are provided with a plurality of threaded rods, one ends of the threaded rods are fixedly connected with the connecting table, the other ends of the threaded rods penetrate through holes in the mounting box and are provided with limiting blocks, and the threaded rods are in threaded connection with the rotating seats in the mounting box; the inner side and the outer side of the gear ring are provided with gear teeth, the gear ring is rotationally connected between a pair of mounting plates, and the gear teeth on the outer side of the gear ring are meshed with gears on a plurality of rotating seats;

the clamping device comprises a fixing seat I, a connecting seat, a connecting table, rollers, a connecting box, a sprocket I, a bevel gear I, a fixing seat II, a connecting plate, a sprocket II, a clamping plate I, a clamping plate II, a fixing block, a connecting cylinder, a spring, a clamping plate III, a clamping block, a motor II, a motor III, a hydraulic cylinder, a rotating cylinder and a bevel gear II; the connecting seats are provided with a pair of connecting tables, and the idler wheels are rotationally connected with the connecting tables on the connecting seats below; the connecting box and the motor seat are relatively fixed at two sides of the connecting seat; one side of the chain wheel I is rotationally connected with a connecting seat above the chain wheel I through a connecting shaft, and the other end of the chain wheel I penetrates through a connecting box through the connecting shaft to be fixedly connected with the bevel gear I; the fixing seat II is fixedly connected below the fixing seat I through the cooperation of the bolt and the connecting plate, the fixing seat I and the fixing seat II are rotationally connected between a pair of connecting seats, and the bottom of the fixing seat II is fixedly connected with a chain wheel II through a connecting shaft; the motor II and the motor III are respectively fixedly connected with motor bases on the pair of connecting seats, the output ends of the motor II and the motor III respectively penetrate through connecting boxes on the pair of connecting seats to be fixedly connected with chain wheels, the chain wheels on the output end of the motor II are connected with the chain wheels II through chains, and the chain wheels on the motor III are connected with the chain wheels I through chains; the rotating cylinder is provided with a plurality of bevel gears II which are uniformly and rotatably connected between the fixed seat I and the fixed seat II, and one end of the rotating cylinder is fixedly connected with the bevel gears I; the clamping plate II is provided with a plurality of connecting cylinders, the fixed block is connected in the connecting cylinders in a sliding manner, and the springs are in contact with the bottoms of the fixed blocks in the connecting cylinders; the clamping plate III is provided with a plurality of threaded holes; and a pair of grip blocks pass through bolt fixed connection on grip block III, pneumatic cylinder fixed connection is in rotating a section of thick bamboo, and the end that stretches out of a plurality of pneumatic cylinders is fixedly connected with grip block I, grip block II and grip block III respectively.

2. The adjustable clamp for machining the numerical control machine tool according to claim 1, wherein four groups of clamping groups are fixedly connected to the working platform through bolts, clamping devices in the four groups of clamping groups extend out through the control hydraulic cylinder to drive clamping blocks on the clamping plate III to be attached to cylindrical workpieces to clamp and fix the cylindrical workpieces, and the clamping plate III and the clamping blocks clamp the cylindrical workpieces with different diameters by changing the fixing positions of the clamping blocks on the clamping plate III.

3. The adjustable clamp for machining the numerical control machine tool according to claim 1, wherein three groups of clamping groups are fixedly connected to the working platform through bolts, and clamping devices in the three groups of clamping groups drive the clamping plate I to be attached to a triangular prism workpiece to clamp and fix the triangular prism workpiece through controlling the hydraulic cylinder to extend.

4. The adjustable clamp for machining the numerical control machine tool according to claim 1, wherein two groups of clamping groups are fixedly connected on the working platform through bolts, clamping devices in one group of clamping groups extend out through the control hydraulic cylinder to drive the clamping plate I to be attached to the middle plane of the workpiece, clamping devices in the other group of clamping groups extend out through the control hydraulic cylinder to drive the clamping plate II to be attached to the workpiece, and fixing blocks on the clamping plate II are matched with the connecting cylinder and the springs, so that the fixing blocks are attached to the workpiece and are provided with protruding or recessed cambered surfaces, and the clamping plate I and the clamping plate II are matched to clamp and fix the polyhedral workpiece.