CN213470797U

CN213470797U - Clamping device of water mill

Info

Publication number: CN213470797U
Application number: CN202022306654.0U
Authority: CN
Inventors: 马运发
Original assignee: Yantai Feima Machinery Parts Co ltd
Current assignee: Yantai Feima Machinery Parts Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-18
Anticipated expiration: 2030-10-16

Abstract

The utility model relates to a clamping device of a water mill bed, which comprises a frame and a workbench, wherein an electromagnetic chuck is fixedly arranged on the workbench; the electromagnetic chuck is provided with a clamping mechanism; the clamping mechanism comprises a base, a fixed block, a movable block and a screw rod; the fixed block is fixedly connected with the base; the movable block is connected with the base in a sliding manner; the base is provided with a guide groove; the screw rod is rotationally connected in the guide groove; one end of the screw rod penetrates through the movable block and is in threaded connection with the movable block; and the movable block and the fixed block are respectively provided with a steering and pressing assembly. The utility model discloses have and realize through movable block and fixed block that the part is pressed from both sides tightly, the rethread turns to and compresses tightly the part that the subassembly can fix a position different shapes, improves machining efficiency's effect.

Description

Clamping device of water mill

Technical Field

The utility model belongs to the technical field of flat grinder's technique and specifically relates to a water mill clamping device is related to.

Background

At present, a water mill is a material processing device, a workpiece is ground by rotating a grinding wheel so as to achieve the required flatness, the working table of the water mill is generally a magnetic sucker, the working table is horizontal and is suitable for processing parts with one or more reference surfaces parallel to the processed surface, and the reference surfaces can be directly sucked on the working table; however, during the machining process, a plurality of irregular parts are not easily fixed or are not firmly fixed, so that the machining cannot be carried out or the machining quality is unstable.

In the prior art, reference may be made to an invention patent with application publication number CN108527034A, which discloses a positioning mechanism of a surface grinding machine, comprising a workbench, wherein the top of the workbench is provided with a first chute, an inner cavity of the first chute is connected with a sliding block in a sliding manner, the top of the sliding block is fixedly connected with a first electric telescopic rod, the bottom of the right side of the first electric telescopic rod is fixedly connected with the workbench, the right side of the top of a material placing table is connected with a first clamping plate in a sliding manner, the right side of a shop at the top of the material placing table is connected with a second clamping plate in a sliding manner, and the right side of the second; the invention can position and clamp parts with different thicknesses, improves the processing efficiency and reduces the production cost and the rejection rate.

The above prior art solutions have the following drawbacks: a plurality of irregular parts are often generated in the machining process, and the structure can only position the parts in regular shapes, so that the singularity is strong, the irregular parts are not firmly positioned, and the machining quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a terrazzo bed clamping device, realize pressing from both sides tightly the part through movable block and fixed block, the rethread turns to and compresses tightly the subassembly and can fix a position the part of different shapes, improves machining efficiency to prior art exists not enough.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a clamping device of a water mill comprises a frame and a workbench, wherein an electromagnetic chuck is fixedly arranged on the workbench; the electromagnetic chuck is provided with a clamping mechanism; the clamping mechanism comprises a base, a fixed block, a movable block and a screw rod; the fixed block is fixedly connected with the base; the movable block is connected with the base in a sliding manner; the base is provided with a guide groove; the screw rod is rotationally connected in the guide groove; one end of the screw rod penetrates through the movable block and is in threaded connection with the movable block; and the movable block and the fixed block are respectively provided with a steering and pressing assembly.

By adopting the technical scheme, the screw rod is rotated, and the movable block is driven to slide on the base through the torque force of the screw rod, so that the distance between the movable block and the fixed block is controlled, and the clamping and releasing of parts are realized; the steering pressing assembly can realize the clamping effect on parts of different shapes, and the processing efficiency is improved.

The present invention may be further configured in a preferred embodiment as: the steering compression assembly comprises a support rod, a connector and a sleeve; the support rod is fixedly connected with the connector; the connector is of a spherical structure; a groove matched with the connector is formed in the sleeve; the sleeve is in ball joint with the connector; and one end of the sleeve is fixedly provided with a pressing plate.

By adopting the technical scheme, the sleeve moves annularly on the outer surface of the connector, so that the sleeve can be fully attached to parts with different planes, the clamping of irregular parts is realized, and the practicability is increased; the pressure strip can increase the area of contact between fixture and the part, improves the stability of part centre gripping.

The present invention may be further configured in a preferred embodiment as: the sleeve is provided with a locking hole; the locking hole is internally threaded with a positioning pin; the lower end of the positioning pin is abutted to the outer surface of the connector.

The bronze drum adopts above-mentioned technical scheme, and after sleeve and part surface laminating, the locating pin of screwing makes the lower terminal surface of locating pin offset with the surface of connector, can prevent that the sleeve from rotating.

The present invention may be further configured in a preferred embodiment as: a plurality of first friction salient points are uniformly and fixedly arranged on the outer ring surface of the connector; and a plurality of second friction bumps are uniformly and fixedly arranged on one end surface of the pressing plate.

By adopting the technical scheme, the first friction bump can increase the friction force between the sleeve and the connector; the second friction salient point can increase the friction between the pressing plate and the part, and the clamping stability is improved.

The present invention may be further configured in a preferred embodiment as: trapezoidal grooves are formed in two sides of the base; the lower end of the movable block is fixedly provided with a dovetail block which is connected in the dovetail groove in a sliding manner.

Through adopting above-mentioned technical scheme, the forked tail piece of movable block slip in-process lower extreme can not be inside the dovetail groove, can prevent that the movable block from perk and rocking at the slip in-process.

The present invention may be further configured in a preferred embodiment as: the bottom end of the dovetail block is rotatably connected with a plurality of balls.

Through adopting above-mentioned technical scheme, the movable block slides on the base, and the ball is inconsistent with the dovetail groove, can reduce the frictional force between movable block and the base, is convenient for the slip of movable block.

The present invention may be further configured in a preferred embodiment as: a first gear is rotatably connected to one side wall of the fixed block; a first movable plate meshed with the first gear is arranged on the fixed block; a second gear is rotatably connected to one side wall of the movable block; a second movable plate meshed with the second gear is arranged on the movable block; a first clamping groove is formed in the side wall of the fixed block; a second clamping groove is formed in the side wall of the movable block; the first clamping groove and the second clamping groove are both provided with a limiting clamping plate; the limiting clamping plate is respectively meshed with the first gear and the second gear; and limiting pins are inserted into the upper ends of the fixed block and the movable block.

By adopting the technical scheme, the movable plate I and the movable plate II are lifted up and down, so that the height of the clamping mechanism can be adjusted, and the clamping requirements of parts with different thicknesses are met; the limiting clamping plate can clamp the first gear and the second gear to prevent the first movable plate and the second movable plate from sliding.

The present invention may be further configured in a preferred embodiment as: threaded holes are formed in the first movable plate and the second movable plate; and the steering compaction assembly is in threaded connection with the first movable plate and the second movable plate respectively.

Through adopting above-mentioned technical scheme, when needs carry out the centre gripping to irregular part, can compress tightly the subassembly and be connected to fly leaf one and fly leaf two on, threaded connection is convenient for turn to the dismantlement and the installation that compress tightly the subassembly, can satisfy the centre gripping requirement of different parts.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the screw rod is rotated, and the movable block is driven to slide on the base through the torque force of the screw rod, so that the distance between the movable block and the fixed block is controlled, and the clamping and releasing of parts are realized; the steering compression assembly can realize the clamping effect on parts with different shapes, and the processing efficiency is improved;

2. after the sleeve is attached to the surface of the part, the positioning pin is screwed to enable the lower end face of the positioning pin to be abutted against the outer surface of the supporting rod, so that the sleeve can be prevented from rotating; the anti-loosening gasket has the technical effect of preventing the positioning pin from loosening;

3. the fixed block and the movable block are respectively provided with a first movable plate and a second movable plate, the first movable plate and the second movable plate respectively lift along the fixed block and the movable block, the height of the clamping mechanism can be adjusted, and the clamping requirements of parts with different thicknesses are met.

Drawings

FIG. 1 is a schematic view showing the overall structure of a water mill in the embodiment;

FIG. 2 is a schematic view showing the structure of the clamping mechanism;

FIG. 3 is a partial schematic view of the clamping mechanism;

FIG. 4 is an enlarged partial schematic view of portion A of FIG. 2;

fig. 5 is a cross-sectional structural schematic view of the steering hold-down assembly.

Reference numerals: 1. a frame; 2. a work table; 3. a column; 4. a grinding wheel; 5. a hand wheel; 6. an electromagnetic chuck; 7. a clamping mechanism; 71. a base; 711. a guide groove; 712. a trapezoidal groove; 72. a fixed block; 721. a first gear; 722. a first movable plate; 723. a first clamping groove; 724. a limiting clamping plate; 7241. teeth; 725. a spacing pin; 73. a movable block; 731. a dovetail block; 7311. a ball bearing; 733. a second movable plate; 74. a screw rod; 8. a steering compression assembly; 81. a support bar; 82. a connector; 821. a first friction bump; 83. a sleeve; 831. positioning pins; 832. a compression plate; 8321. and a second friction bump.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the clamping device for the water mill, disclosed by the utility model, comprises a frame 1 and a workbench 2 which is arranged on the frame 1 and can slide along the frame 1 in a reciprocating manner; an upright post 3 is arranged above the workbench 2, the lower end of the upright post 3 is fixedly connected with the rack 1, and a grinding wheel 4 is rotatably connected on the front end surface; a grinding wheel motor capable of driving the grinding wheel 4 to rotate and a hand wheel 5 capable of adjusting the height of the grinding wheel 4 are arranged on the upright post 3; an electromagnetic chuck 6 is fixedly arranged on the workbench 2, and a clamping mechanism 7 is arranged on the electromagnetic chuck 6.

Referring to fig. 2, the clamping mechanism 7 includes a base 71, a fixed block 72, a movable block 73, and a lead screw 74; the fixed block 72 is fixedly connected with the base 71; a guide groove 711 is formed in the middle of the base 71 along the length direction of the base; the screw rod 74 is arranged in the guide groove 711 and is rotationally connected with the guide groove 711; one end of the screw rod 74 penetrates through the movable block 73 and is in threaded connection with the movable block 73; by rotating the screw rod 74, the screw rod 74 can drive the movable block 73 to slide in the guide groove 711.

Referring to fig. 2 and 3, trapezoidal grooves 712 are formed in both sides of the base 71 along the length direction thereof, dovetail blocks 731 matched with the trapezoidal grooves 712 are fixedly arranged at the lower ends of the movable blocks 73, and the dovetail blocks 731 are inserted into the trapezoidal grooves 712 and are slidably connected with the trapezoidal grooves 712; the bottom end of the dovetail block 731 is rotatably connected with a plurality of balls 7311, and the balls 7311 are abutted against the trapezoidal groove 712, so that the friction force of the movable block 73 in the sliding process can be reduced, and the sliding of the movable block 73 is facilitated.

Referring to fig. 2 and 4, a first movable plate 722 is disposed on the fixed block 72, a first gear 721 is rotatably connected to a side wall of the fixed block 72, and the first gear 721 is engaged with the first movable plate 722; a second movable plate is arranged on the movable block 73, a second gear is rotatably connected to one side wall of the movable block 73 and is meshed with the second movable plate 733, and the first movable plate 722 and the second movable plate 733 are lifted up and down along the fixed block 72 and the movable block 73 respectively to clamp parts with different thicknesses; a first clamping groove 723 is formed in the side wall of the fixed block 72, and a second clamping groove is formed in the side wall of the movable block 73; a limiting clamping plate 724 is inserted into the first clamping groove 723 and the second clamping groove; one side of the limiting clamping plate 724 is fixedly provided with teeth 7241, the limiting clamping plate 724 is respectively meshed with the first gear 721 and the second gear, and the first gear 721 and the second gear can be clamped tightly by inserting the limiting clamping plate 724 to prevent the first gear and the second gear from rotating; the upper ends of the fixed block 72 and the movable block 73 are both provided with a limit pin 725, the lower end of the limit pin 725 is inserted into the limit clamping plate 724, and the limit clamping plate 724 can be fixed.

Referring to fig. 2 and 5, threaded holes are formed in the first movable plate 722 and the second movable plate 733, and the steering and pressing assembly 8 is connected to the threaded holes in a threaded manner; the steering compression assembly 8 comprises a support rod 81, a connector 82 and a sleeve 83; the connector 82 is of a spherical structure and is fixedly connected with the support rod 81; a groove matched with the connector 82 is formed in the sleeve 83, and the sleeve 83 is in ball joint with the connector 82; the sleeve 83 is provided with a locking hole, the locking hole is internally threaded with a positioning pin 831, and the lower end of the positioning pin 831 abuts against the outer surface of the supporting rod 81 to prevent the sleeve 83 from rotating.

A plurality of first friction bumps 821 are uniformly and fixedly arranged on the outer surface of the connector 82 to increase the friction force between the connector 82 and the sleeve 83; the other end of the sleeve 83 is fixedly provided with the pressing plate 832, and a plurality of second friction bumps 8321 are uniformly and fixedly arranged on one end surface of the pressing plate 832, so that the friction force between the pressing plate 832 and the part can be increased, and the clamping stability is improved.

The implementation principle of the embodiment is as follows: when the clamping mechanism is used, firstly, the clamping mechanism 7 is placed on the electromagnetic chuck 6 of the workbench 2, and the electromagnetic chuck 6 generates magnetic force to adsorb a chassis of the clamping mechanism 7; then, the part is placed between the fixed block 72 and the movable block 73, the screw rod is rotated to drive the movable block 73 to slide along the trapezoidal groove 712 on the base 71, and the part is clamped through the cooperation of the movable block 73 and the fixing block; rotating a hand wheel 5 on the upright post 3 to adjust the height of the grinding wheel 4 to a height suitable for processing; finally, starting a motor of the grinding wheel 4 for processing; when the part to be clamped is irregular, the support rod 81 of the steering and pressing assembly 8 is connected to the threaded holes of the first movable plate 722 and the second movable plate 733 in a threaded manner, and the sleeve 83 moves circularly on the surface of the connector 82 and can be attached to parts on different planes; tightening the retaining pin 831 can secure the sleeve 83 to the support rod 81 and prevent the sleeve 83 from rotating.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A clamping device of a water mill comprises a frame (1) and a workbench (2), wherein an electromagnetic chuck (6) is fixedly arranged on the workbench (2); the method is characterized in that: a clamping mechanism (7) is arranged on the electromagnetic chuck (6); the clamping mechanism (7) comprises a base (71), a fixed block (72), a movable block (73) and a screw rod (74); the fixed block (72) is fixedly connected with the base (71); the movable block (73) is connected with the base (71) in a sliding manner; a guide groove (711) is formed in the base (71); the screw rod (74) is rotatably connected in the guide groove (711); one end of the screw rod (74) penetrates through the movable block (73) and is in threaded connection with the movable block (73); and the movable block (73) and the fixed block (72) are respectively provided with a steering and pressing assembly (8).

2. A watermill clamping device according to claim 1, characterised in that: the steering compression assembly (8) comprises a support rod (81), a connector (82) and a sleeve (83); the supporting rod (81) is fixedly connected with the connector (82); the connector (82) is of a spherical structure; a groove matched with the connector (82) is formed in the sleeve (83); the sleeve (83) is in ball joint with the connector (82); one end of the sleeve (83) is fixedly provided with a pressing plate (832).

3. A watermill clamping device according to claim 2, characterised in that: the sleeve (83) is provided with a locking hole; a positioning pin (831) is connected with the locking hole in a threaded manner; the lower end of the positioning pin (831) is abutted against the outer surface of the supporting rod (81).

4. A watermill clamping device according to claim 2, characterised in that: a plurality of first friction salient points (821) are uniformly and fixedly arranged on the outer annular surface of the connector (82); and a plurality of second friction bumps (8321) are uniformly and fixedly arranged on one end surface of the pressing plate (832).

5. A watermill clamping device according to claim 1, characterised in that: trapezoidal grooves (712) are formed in two sides of the base (71); the lower end of the movable block (73) is fixedly provided with a dovetail block (731) which is connected in a sliding way in the trapezoidal groove (712).

6. The clamping device of the water mill as claimed in claim 5, wherein: the bottom end of the dovetail block (731) is rotatably connected with a plurality of balls (7311).

7. A watermill clamping device according to claim 1, characterised in that: a first gear (721) is rotatably connected to one side wall of the fixed block (72); a first movable plate (722) meshed with the first gear (721) is arranged on the fixed block (72); a second gear is rotatably connected to one side wall of the movable block (73); a second movable plate (733) meshed with the second gear is arranged on the movable block (73); a first clamping groove (723) is formed in the side wall of the fixing block (72); a second clamping groove is formed in the side wall of the movable block (73); the first clamping groove (723) and the second clamping groove are both provided with a limiting clamping plate (724); the limiting clamping plate (724) is meshed with the first gear (721) and the second gear respectively; and limiting pins (725) are inserted into the upper ends of the fixed block (72) and the movable block (73).

8. The clamping device of the water mill as claimed in claim 7, wherein: threaded holes are formed in the first movable plate (722) and the second movable plate (733); the steering pressing assembly (8) is in threaded connection with the first movable plate (722) and the second movable plate (733) respectively.