CN216326773U

CN216326773U - High-precision hardware part CNC machining clamp

Info

Publication number: CN216326773U
Application number: CN202122716538.0U
Authority: CN
Inventors: 吴文添; 吴振福; 吕炜炎
Original assignee: Shenzhen Baoruifeng Precision Hardware Co ltd
Current assignee: Shenzhen Baoruifeng Precision Hardware Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-19
Anticipated expiration: 2031-11-08

Abstract

The utility model provides a high-precision CNC (computer numerical control) machining clamp for hardware parts, which comprises a main body, wherein an installation plane is fixed on the upper surface of the main body, a clamping platform is fixed on the upper surface of the installation plane, installation plates are fixed on two sides of the clamping platform, a plurality of installation grooves are formed in the upper surface of the clamping platform at equal intervals, and a clamp plate is slidably installed on the upper surface of the clamping platform. The high-precision hardware part CNC machining clamp provided by the utility model is used for clamping and fixing special-shaped workpieces inconveniently in the use process of the clamp of the existing CNC machine tool, the product can clamp and fix opposite workpieces through the two semicircular arc-shaped clamping pieces and the supporting top plate, the CNC machine tool is used for clamping and fixing large workpieces inconveniently, the workpieces can be hung and held by the fixing rod at the middle position of the hanging plate for large workpieces with holes at the middle position, and the positions of the workpieces are fixed by utilizing the first inclined plate and the second inclined plate at the bottom to match and extrude.

Description

High-precision hardware part CNC machining clamp

Technical Field

The utility model relates to the field of machining clamps, in particular to a high-precision CNC machining clamp for hardware parts.

Background

CNC is a processing machine tool, and a fixture is required in the processing process of the processing machine tool, and the fixture refers to a device for fixing a processing object to a correct position in the machine manufacturing process to receive construction or detection, and is also called a fixture.

However, the existing CNC machining clamp for the high-precision hardware parts is inconvenient to clamp and fix special-shaped workpieces and clamp various irregular workpieces in the using process, and the CNC machine tool is inconvenient to clamp and fix large workpieces.

Therefore, it is necessary to provide a high-precision CNC machining fixture for hardware parts to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-precision hardware part CNC machining clamp, which solves the problems that an existing high-precision hardware part CNC machining clamp is inconvenient to clamp and fix special-shaped workpieces, various irregular workpieces cannot be clamped, and a CNC machine tool is inconvenient to clamp and fix large workpieces in the using process.

In order to solve the technical problems, the utility model provides: the utility model provides a high-accuracy hardware component CNC adds clamping apparatus, includes the main part, the last fixed surface of main part has a mounting plane, mounting plane's last fixed surface has double-layered dress platform, the both sides of pressing from both sides dress platform all are fixed with the mounting panel, a plurality of mounting grooves have been seted up to the upper surface equidistance that presss from both sides dress platform, the last sliding surface who presss from both sides dress platform installs the anchor clamps board, the bottom both sides of anchor clamps board all are fixed with the installation lug, and the external dimension of installation lug and the internal dimension looks adaptation of mounting groove.

Preferably, a screw rod installing frame is fixed on one side of the upper surface of the clamp plate, positioning bearings are clamped on inner walls of two sides of the screw rod installing frame, positive and negative screw rods are clamped inside the positioning bearings, and positive threads and negative threads are respectively arranged on two sides of the positive and negative screw rods.

Preferably, a crank is fixed on the surface of the front end of one side of the positive and negative screws, clamping pieces are mounted on two sides of the upper surface of the clamp plate and one side of the clamp plate located on the screw mounting frame, and clamping grooves are formed in two opposite surfaces of the clamping pieces.

Preferably, threaded connection blocks are fixed on one sides of the two clamping pieces, the threaded connection blocks extend into the screw mounting frame and are connected with the positive and negative screws, and supporting rods are fixed on two sides of the upper surface of the clamp plate.

Preferably, the outer portion of the supporting rod is connected with two locking nuts through threads, a supporting top plate is arranged between the two locking nuts and outside the supporting rod, and an adjusting long groove is formed in the middle of the supporting top plate.

Preferably, a hanging piece plate is fixed on one side of the upper surface of the mounting plane, a second inclined plane plate is fixed below the hanging piece plate, and a first inclined plane plate is placed on the upper surface of the second inclined plane plate in a sliding mode.

Preferably, one side of mounting surface's upper surface is fixed with fixed frame, and the inside of fixed frame rotates through the spliced pole and installs the ring cover, one side of ring cover is fixed with the cylinder, and the front end surface of the output shaft of cylinder is connected with one side of first inclined plane board.

Compared with the prior art, the high-precision hardware part CNC machining clamp provided by the utility model has the following beneficial effects:

the utility model has the beneficial effects that: the clamp is used for clamping and fixing special-shaped workpieces in the using process of the clamp of the existing CNC machine tool, the product can clamp and fix workpieces with different polarities through the two semicircular arc-shaped clamping pieces and the supporting top plate, clamping is fixed and fixed in the CNC machine tool for clamping large workpieces, the large workpieces with holes in the middle positions can be hung and held by the fixing rods in the middle positions of the hanging pieces, and the first inclined plane plate and the second inclined plane plate at the bottom are matched to extrude the positions of the fixed workpieces.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of a CNC machining fixture for high-precision hardware parts according to the present invention;

FIG. 2 is a schematic view of the installation slot of FIG. 1;

FIG. 3 is an enlarged view of the structure at A shown in FIG. 1;

FIG. 4 is a schematic view of the transmission structure of the clamping member shown in FIG. 1;

FIG. 5 is a schematic view of the mounting structure of the clamp mounting plate shown in FIG. 1;

fig. 6 is a schematic view of a cylinder rotation mounting structure shown in fig. 1.

In the figure: 1. a main body; 2. a mounting plane; 3. clamping the platform; 4. mounting a plate; 5. mounting grooves; 6. a clamp plate; 7. mounting a bump; 8. a screw rod mounting frame; 9. a positive and negative screw; 10. a clamping member; 11. a clamping groove; 12. a threaded connection block; 13. positioning the bearing; 14. a crank; 15. a support bar; 16. supporting a top plate; 17. adjusting the long groove; 18. locking the nut; 19. a fixing frame; 20. a circular ring sleeve; 21. a cylinder; 22. a first bevel panel; 23. a hanging plate; 24. a second bevel panel.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, wherein fig. 1 is a schematic structural diagram of a CNC machining fixture for high-precision hardware components according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of the installation slot of FIG. 1; FIG. 3 is an enlarged view of the structure at A shown in FIG. 1; FIG. 4 is a schematic view of the transmission structure of the clamping member shown in FIG. 1; FIG. 5 is a schematic view of the mounting structure of the clamp mounting plate shown in FIG. 1; FIG. 6 is the cylinder rotation mounting structure sketch shown in FIG. 1, a high-accuracy hardware component CNC adds clamping apparatus, including main part 1, the last fixed surface of main part 1 has mounting plane 2, the last fixed surface of mounting plane 2 has double-layered dress platform 3, the both sides of pressing from both sides dress platform 3 all are fixed with mounting panel 4, a plurality of mounting grooves 5 have been seted up to the upper surface equidistance of double-layered dress platform 3, the last surface slidable mounting who presss from both sides dress platform 3 has clamp plate 6, the bottom both sides of clamp plate 6 all are fixed with installation lug 7, and the external dimension of installation lug 7 and the inside dimension looks adaptation of mounting groove 5.

One side of the upper surface of anchor clamps board 6 is fixed with screw rod installing frame 8, the equal block of both sides inner wall of screw rod installing frame 8 has location bearing 13, and location bearing 13's inside block has positive and negative screw rod 9, and positive screw thread and back-off thread have been seted up respectively to positive and negative screw rod 9's both sides, can carry out fixed position to positive and negative screw rod 9 through screw rod installing frame 8, and positive screw thread and back-off thread are seted up respectively to the both sides of positive and negative screw rod 9's intermediate position and are connected with threaded connection piece 12, can adjust the position between two clamping pieces 10 through rotating positive and negative screw rod 9.

The front end surface of one side of positive and negative screw rod 9 is fixed with crank 14, and clamping piece 10 is installed to the both sides of the upper surface of anchor clamps board 6 and the one side that is located screw rod installing frame 8, and centre gripping groove 11 has all been seted up to the relative one side of two clamping pieces 10.

And threaded connecting blocks 12 are fixed on one sides of the two clamping pieces 10, the threaded connecting blocks 12 extend into the screw mounting frame 8 and are connected with the positive and negative screws 9, and supporting rods 15 are fixed on two sides of the upper surface of the clamp plate 6.

The outer portion of the supporting rod 15 is connected with two locking nuts 18 through threads, the number of the locking nuts 18 is two, a supporting top plate 16 is arranged outside the supporting rod 15 and between the two locking nuts 18, an adjusting long groove 17 is formed in the middle of the supporting top plate 16, and the supporting top plate 16 facilitates fixing positions of workpieces inside the two clamping members 10 through the adjusting long groove 17 formed in the surface.

A hanging plate 23 is fixed on one side of the upper surface of the mounting plane 2, a second inclined plate 24 is fixed below the hanging plate 23, and a first inclined plate 22 is slidably placed on the upper surface of the second inclined plate 24.

One side of the upper surface of mounting plane 2 is fixed with fixed frame 19, and fixed frame 19's inside is rotated through the spliced pole and is installed ring cover 20, one side of ring cover 20 is fixed with cylinder 21, and the front end surface of cylinder 21's output shaft is connected with one side of first inclined plane board 22, press from both sides dress platform 3 and carry out fixed convenient not unidimensional clamp dress platform 3 of changing through mounting panel 4 and mounting plane 2, and can hang the work piece through pendant board 23 to great work piece, drive first inclined plane board 22 forward through cylinder 21 and push away to cooperate with second inclined plane board 24 and carry out centre gripping fixed position with the work piece.

The working principle of the CNC machining clamp for the high-precision hardware parts is as follows;

will be placed in the inside of two clamping pieces 10 by the work piece through rotating crank 14, drive positive and negative screw rod 9 and rotate, positive and negative screw rod 9 is connected with clamping piece 10 through threaded connection piece 12, carry out the centre gripping to the work piece through the cooperation of two clamping pieces 10 with supporting roof 16, conveniently carry out centre gripping fixed to different nature work piece, and anchor clamps board 6 conveniently slides through cooperation between mounting groove 5 and the installation lug 7 and presss from both sides dress platform 3 and dismantle, conveniently change different anchor clamps, and it fixes through mounting panel 4 and mounting surface 2 and conveniently changes not unidimensional dress platform 3 to press from both sides, and can hang the work piece through pendant board 23 to great work piece and hold, drive first inclined plane board 22 and push forward through cylinder 21 and cooperate with second inclined plane board 24 and carry out centre gripping fixed position with the work piece, make things convenient for CNC lathe to process.

Compared with the prior art, the high-precision hardware part CNC machining clamp provided by the utility model has the following beneficial effects: a workpiece is placed inside the two clamping pieces 10, the crank 14 is rotated to drive the positive and negative screws 9 to rotate, the positive and negative screws 9 are connected with the clamping pieces 10 through the threaded connecting blocks 12, the workpiece is clamped through the matching of the two clamping pieces 10 and the supporting top plate 16, the opposite-type workpiece is conveniently clamped and fixed, the clamp plate 6 is conveniently slidingly disassembled from the clamping platform 3 through the matching between the mounting groove 5 and the mounting lug 7, and different clamps are conveniently replaced;

for a large workpiece with a through hole at the middle position, the workpiece can be hung and held by the fixing rod at the middle position of the hanging plate 23, the first inclined plane plate 22 is driven by the air cylinder 21 to be pushed forwards to be matched with the second inclined plane plate 24 to clamp and fix the workpiece, and the CNC machine tool can conveniently process the workpiece.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a high-accuracy hardware component CNC adds clamping apparatus, includes main part (1), its characterized in that, the last fixed surface of main part (1) has mounting plane (2), the last fixed surface of mounting plane (2) has double-layered dress platform (3), the both sides of pressing from both sides dress platform (3) all are fixed with mounting panel (4), a plurality of mounting grooves (5) have been seted up to the upper surface equidistance of pressing from both sides dress platform (3), the last sliding surface who presss from both sides dress platform (3) installs anchor clamps board (6), the bottom both sides of anchor clamps board (6) all are fixed with installation lug (7), and the inside dimension looks adaptation of the external dimension of installation lug (7) and mounting groove (5).

2. The high-precision CNC (computer numerical control) hardware part machining clamp as claimed in claim 1, wherein a screw mounting frame (8) is fixed on one side of the upper surface of the clamp plate (6), positioning bearings (13) are clamped on inner walls of two sides of the screw mounting frame (8), positive and negative screws (9) are clamped inside the positioning bearings (13), and positive threads and negative threads are respectively arranged on two sides of the positive and negative screws (9).

3. The high-precision CNC machining clamp for hardware parts is characterized in that a crank (14) is fixed to the surface of the front end of one side of the positive and negative screw rods (9), clamping pieces (10) are installed on two sides of the upper surface of the clamp plate (6) and one side of the screw rod installation frame (8), and clamping grooves (11) are formed in the opposite surfaces of the two clamping pieces (10).

4. A high-precision CNC machining clamp for hardware parts as claimed in claim 3, characterized in that two clamping pieces (10) are fixed with threaded connection blocks (12) on one side, the threaded connection blocks (12) extend to the inside of the screw mounting frame (8) to be connected with the positive and negative screws (9), and support rods (15) are fixed on two sides of the upper surface of the clamp plate (6).

5. The CNC machining clamp for the high-precision hardware parts is characterized in that locking nuts (18) are connected to the outer portion of the supporting rod (15) through threads, the number of the locking nuts (18) is two, a supporting top plate (16) is installed between the two locking nuts (18) and the outer portion of the supporting rod (15), and an adjusting long groove (17) is formed in the middle of the supporting top plate (16).

6. A high-precision hardware part CNC machining clamp according to claim 1, characterized in that a hanging plate (23) is fixed on one side of the upper surface of the installation plane (2), a second inclined plate (24) is fixed below the hanging plate (23), and a first inclined plate (22) is slidably placed on the upper surface of the second inclined plate (24).

7. A high-precision hardware part CNC machining clamp according to claim 1, characterized in that one side of the upper surface of the installation plane (2) is fixed with a fixing frame (19), the inside of the fixing frame (19) is rotatably installed with a circular ring sleeve (20) through a connecting column, one side of the circular ring sleeve (20) is fixed with a cylinder (21), and the front end surface of the output shaft of the cylinder (21) is connected with one side of a first inclined plane plate (22).