CN216802859U

CN216802859U - Precision grinding device for machining

Info

Publication number: CN216802859U
Application number: CN202122138381.8U
Authority: CN
Inventors: 刘杰
Original assignee: Pinghu Huayang Tourism Products Co ltd
Current assignee: Pinghu Huayang Tourism Products Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-06-24
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a machining precision polishing device, and relates to the technical field of machining; the polishing machine comprises a rack, a workbench and a polishing assembly, wherein a sliding table is arranged at the front upper end of the rack; according to the briquetting through inwards pressing, make according to briquetting inward movement and extrude the toper piece, the toper piece will drive like this and push away a downstream, push away a bottom and will enter into the spacing inslot from the cross recess, because the stopper upper end is the inclined plane, the push away when moving down like this, the bottom will extrude the stopper, make the stopper move in the lateral groove, the stopper shifts out the spacing groove like this, no longer limit the fixture block, at this moment alright lift the chuck through upwards, lift the chuck off from the slider, change the chuck of different styles after that, with this chuck reinserting in the slot downwards, make the stopper reinsert in the spacing inslot, thereby it is fixed with the chuck, when the anchor clamps of renewing like this, just need not the workman to waste time and energy twist down the fixed screw and change, thereby machining efficiency has been improved.

Description

Precision grinding device for machining

Technical Field

The utility model relates to the technical field of machining, in particular to a machining precision polishing device.

Background

Grinding device is the equipment that changes material surface physical properties through friction, and the main objective is in order to obtain specific surface roughness, has played very important effect to the development of modern a plurality of trades, is the favourable auxiliary assembly of spare part processing, and the work piece is adding the processing and need press from both sides tight work piece with anchor clamps and process, and current anchor clamps are not convenient for change, when the anchor clamps that need change new or other types of anchor clamps, need the workman to waste time and energy to unscrew the set screw and change, has reduced machining efficiency.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcome the drawbacks of the prior art and to provide a precision polishing device for machining, so as to solve the problems mentioned in the background art.

A machining precision polishing device comprises a rack, a workbench and a polishing assembly, wherein a sliding table is mounted at the front upper end of the rack, the workbench is positioned at the upper end of the sliding table and is in sliding connection with the sliding table, the polishing assembly is mounted above the workbench, four sliding grooves which are arranged in a cross shape are formed in the upper end of the workbench, sliding blocks are connected in the sliding grooves in a sliding mode, clamping grooves are formed in the upper ends of the sliding blocks, side grooves are formed in the four sides of the inner side of each clamping groove, limiting blocks are connected in the side grooves in a sliding mode, and the inner sides of the limiting blocks extend into the clamping grooves;

the improved clamping fixture is characterized in that clamping heads are arranged at the upper ends of the sliding blocks, clamping blocks are fixedly connected to the bottoms of the clamping heads, the clamping blocks are inserted into the clamping grooves and are connected with the clamping grooves in an inserted mode, slots are formed in the outer sides of the clamping heads, pressing blocks are connected to the inner portions of the slots in a sliding mode, limiting grooves are formed in the four corners of the clamping blocks, cross grooves are formed in the upper ends of the limiting grooves, the outer sides of the bottoms of the cross grooves are communicated with the limiting grooves, cross-shaped pushing frames are connected to the inner portions of the cross grooves in a sliding mode, and the upper ends of the pushing frames extend upwards to penetrate through the conical blocks which are arranged in the slots and fixedly connected with the inner portions of the slots.

Furthermore, the grinding assembly comprises a motor and a grinding wheel, wherein the motor is used for grinding, and the motor is located on the left side of the grinding wheel and is in transmission connection with the grinding wheel.

Furthermore, a second spring is embedded into the side groove, and the inner side and the outer side of the second spring are respectively in contact with the outer side of the limiting block and the bottom of the side groove.

Furthermore, the workbench is internally provided with a spiral chuck at the bottom of the chute, and the spiral chuck is meshed with the four sliding blocks.

Furthermore, the limiting blocks are all inserted into the adjacent limiting grooves.

Furthermore, a spring groove is formed in the middle of the bottom end of the pushing frame, a first spring is embedded in the spring groove, and the upper end and the lower end of the first spring are respectively in contact with the top of the inner wall of the spring groove and the bottom of the cross groove.

Furthermore, the upper end of the limiting block is an inclined plane.

Compared with the prior art, the utility model has the following beneficial effects: the machining precision grinding device has the advantages that by pressing the pressing block inwards, the pressing block moves inwards and presses the conical block, thus the conical block drives the pushing frame to move downwards, the bottom of the pushing frame enters the limiting groove from the cross groove, because the upper end of the limiting block is an inclined plane, when the push frame moves downwards, the bottom part of the push frame extrudes the limiting block to enable the limiting block to move towards the side groove, so that the limiting block moves out of the limiting groove, so that the clamping block is not limited any more, the clamping head can be lifted upwards to be detached from the sliding block, then the chucks with different styles are replaced, the chucks are downwards reinserted into the slots, so that the limiting blocks are reinserted into the limiting grooves, therefore, the chuck is fixed, and when a new clamp or other types of clamps are replaced, workers do not need to unscrew the fixing screws for replacement, which wastes time and labor, so that the machining efficiency is improved.

Drawings

FIG. 1 is a general schematic of the present invention;

FIG. 2 is a cutaway view of the chuck of the present invention;

FIG. 3 is a cut-away view of the fixture block of the present invention;

FIG. 4 is a cut away view of the slider of the present invention.

In the figure: the device comprises a rack-1, a sliding table-2, a workbench-3, a sliding chute-4, a polishing assembly-5, a chuck-6, a clamping block-7, a slot-8, a pressing block-9, a conical block-10, a pushing frame-11, a limiting groove-12, a cross groove-13, a spring groove-14, a spring I-15, a sliding block-16, a clamping groove-17, a side groove-18, a limiting block-19 and a spring II-20.

Detailed Description

Referring to fig. 1-4, the present invention provides a technical solution: a machining precision grinding device comprises a rack 1, a workbench 3 and a grinding assembly 5, wherein the front upper end of the rack 1 is provided with a sliding table 2, the workbench 3 is positioned at the upper end of the sliding table 2 and is in sliding connection with the sliding table, the grinding assembly 5 is arranged above the workbench 3, the upper end of the workbench 3 is provided with four sliding grooves 4 which are arranged in a cross shape, the sliding grooves 4 are internally and uniformly connected with a sliding block 16 in a sliding manner, the upper end of the sliding block 16 is provided with a clamping groove 17, four sides of the inner side of the clamping groove 17 are respectively provided with a side groove 18, the inner side of the side groove 18 is respectively and slidably connected with a limiting block 19, the inner side of the limiting block 19 extends into the clamping groove 17, the upper end of the sliding block 16 is respectively provided with a clamping head 6, the bottom of the clamping head 6 is respectively and fixedly connected with a clamping block 7, the clamping block 7 is inserted into and connected with the clamping groove 17, the grinding assembly 5 comprises a motor and a grinding wheel for grinding, the motor is positioned at the left side of the grinding wheel and is in transmission connection with the grinding wheel, the workbench 3 and is positioned at the bottom of the sliding groove 4 and is provided with a spiral chuck, the spiral chuck and the four sliding blocks 16 are in a meshed state;

a workpiece to be polished is placed at the upper end of the workbench 3, then the spiral chuck is rotated, so that the sliding block meshed with the spiral chuck can slide inwards along the sliding groove 4, the clamping block 7 and the clamping heads 6 move inwards, the four clamping heads 6 moving inwards clamp the workpiece, and then the motor is started to drive the grinding wheel to polish the workpiece;

the outer side of the chuck 6 is provided with a slot 8, the inside of the slot 8 is connected with a pressing block 9 in a sliding manner, four corners of the fixture block 7 are provided with limit grooves 12, the inside of the fixture block 7 and the upper end of the limit groove 12 are provided with cross grooves 13, the outer side of the bottom of each cross groove 13 is communicated with the corresponding limit groove 12, the inside of each cross groove 13 is connected with a cross push frame 11 in a sliding manner, the upper end of each push frame 11 extends upwards to penetrate into the inside of the corresponding slot 8 and is fixedly connected with a conical block 10, a spring II 20 is embedded into each side groove 18, the inner side and the outer side of each spring II 20 are respectively contacted with the outer side of each limit block 19 and the bottom of each side groove 18, each limit block 19 is inserted into the adjacent limit groove 12, the middle part of the bottom end of each push frame 11 is provided with a spring groove 14, a spring I15 is embedded into each spring groove 14, the upper end and the lower end of each spring I15 are respectively contacted with the top of the inner wall of each spring groove 14 and the bottom of each cross groove 13, and the upper end of each limit block 19 is an inclined plane;

when workpieces with other shapes are ground, chucks with different styles need to be replaced, so that the workpieces can be clamped conveniently, the workpieces are prevented from being placed unstably, the grinding quality is reduced, the pressing block 9 is moved inwards and extrudes the conical block 10 by pressing the pressing block 9 inwards, the conical block 10 is extruded by the pressing block 9 and moves downwards, the pushing frame 11 moves downwards, the spring 15 contracts once, when the pushing frame 11 moves downwards, the bottom of the pushing frame enters the limiting groove 12 from the cross groove 13, because the upper end of the limiting block 19 is an inclined surface, when the pushing frame 11 moves downwards, the bottom of the pushing frame extrudes the limiting block 19, the limiting block 19 moves towards the side groove 18, the spring two 20 contracts along with the pushing frame, the limiting block 19 moves out of the limiting groove 12, the clamping block 7 is not limited any more, at this time, the chucks 6 can be dismounted from the sliding block 16 by lifting the chucks upwards, then, the clamping heads 6 with different styles are replaced, the clamping heads 6 are downwards reinserted into the slots 17, the limiting blocks 19 are reinserted into the limiting grooves 12, and the clamping heads 6 are fixed, so that when a new clamp or other types of clamps are replaced, workers do not need to unscrew fixing screws for replacement, time and labor are wasted, and machining efficiency is improved.

Claims

1. The utility model provides a precision grinding device of machining, includes frame (1), workstation (3) and polishing subassembly (5), slip table (2) are installed to the upper end before frame (1), workstation (3) are located slip table (2) upper end and sliding connection with it, install in workstation (3) top, its characterized in that in polishing subassembly (5):

four sliding grooves (4) which are arranged in a cross manner are formed in the upper end of the workbench (3), sliding blocks (16) are connected to the inner portions of the sliding grooves (4) in a sliding mode, clamping grooves (17) are formed in the upper ends of the sliding blocks (16), side grooves (18) are formed in four sides of the inner sides of the clamping grooves (17), limiting blocks (19) are connected to the inner portions of the side grooves (18) in a sliding mode, and the inner sides of the limiting blocks (19) extend into the clamping grooves (17);

the improved clamping fixture is characterized in that a clamping head (6) is arranged at the upper end of the sliding block (16), a clamping block (7) is fixedly connected to the bottom of the clamping head (6), the clamping block (7) is inserted into the clamping groove (17) and is connected with the clamping groove in an inserted mode, a slot (8) is formed in the outer side of the clamping head (6), a pressing block (9) is connected to the inner portion of the slot (8) in a sliding mode, limiting grooves (12) are formed in four corners of the clamping block (7), a cross groove (13) is formed in the upper end of the limiting groove (12), the outer side of the bottom of the cross groove (13) is communicated with the limiting groove (12), a cross-shaped pushing frame (11) is connected to the inner portion of the cross groove (13) in a sliding mode, and the upper end of the pushing frame (11) extends upwards to penetrate through the inner portion of the slot (8) and is fixedly connected with a conical block (10).

2. A machining precision grinding apparatus as claimed in claim 1, wherein: the grinding assembly (5) comprises a motor and a grinding wheel, wherein the motor is used for grinding, and the motor is located on the left side of the grinding wheel and is in transmission connection with the grinding wheel.

3. A machining precision grinding apparatus as claimed in claim 1, wherein: a second spring (20) is embedded into the side groove (18), and the inner side and the outer side of the second spring (20) are respectively contacted with the outer side of the limiting block (19) and the bottom of the side groove (18).

4. A machining precision grinding apparatus as claimed in claim 1, wherein: the spiral chuck is installed to workstation (3) inside and being located spout (4) bottom, spiral chuck and four slider (16) are the engaged state.

5. A machining precision grinding apparatus as claimed in claim 1, wherein: the limiting blocks (19) are all inserted into the adjacent limiting grooves (12).

6. A machining precision grinding apparatus as claimed in claim 1, wherein: the middle of the bottom end of the pushing frame (11) is provided with a spring groove (14), a first spring (15) is embedded into the spring groove (14), and the upper end and the lower end of the first spring (15) are respectively contacted with the top of the inner wall of the spring groove (14) and the bottom of the inner wall of the cross groove (13).

7. A machining precision grinding apparatus as claimed in claim 1, wherein: the upper end of the limiting block (19) is an inclined plane.