CN217394394U

CN217394394U - Self-centering pneumatic clamp

Info

Publication number: CN217394394U
Application number: CN202123307587.5U
Authority: CN
Inventors: 孙净
Original assignee: Shenyang Shenyi Cnc Machine Tool Co ltd
Current assignee: Shenyang Shenyi Cnc Machine Tool Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-09-09
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a from centering pneumatic fixture, including mounting panel, cylinder, solid fixed splint and movable splint, four rectangular holes are installed to the symmetry in the mounting panel, a mounting panel lateral wall middle part is provided with the baffle, the baffle with install between the mounting panel the cylinder, the spiral shell head is installed to the flexible end of cylinder, install the L type on the spiral shell head movable splint. Has the advantages that: the utility model discloses a cylinder, movable clamp plate, solid fixed splint, V type groove one, V type groove two, spiral shell head and lock nut's design for it is flexible to control the cylinder through the solenoid valve when this anchor clamps use on vertical machining center, thereby it removes for solid fixed splint to drive movable splint through the cylinder, with the tight location of quick clamp that realizes circular workpiece, improved circular workpiece's the tight fixed efficiency of clamp greatly, avoided rocking of circular workpiece after pressing from both sides tight location simultaneously, ensured the tight fixed quality of clamp of circular workpiece.

Description

Self-centering pneumatic clamp

Technical Field

The utility model relates to a vertical is anchor clamps technical field for the machining center, concretely relates to from centering air jig.

Background

The vertical machining center is a machine tool for realizing milling machining through a structure of vertically arranging main shafts. Due to the vertical arrangement of the spindle, the tool moves up and down along the direction of the spindle and moves along the top end of the workpiece in the horizontal direction. Before a workpiece is machined in a vertical machining center, a clamp is required to clamp and position the workpiece.

However, the cylinder drives the smooth clamping block to move to clamp and fix the circular workpiece at the vertical machining center, so that the circular workpiece is easy to shake before and after being clamped, and the clamping and fixing efficiency and quality of the circular workpiece are greatly reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, the self-centering pneumatic clamp is provided, and the problems that the circular workpiece is easy to shake before and after being clamped, and the clamping fixing efficiency and quality of the circular workpiece are greatly reduced are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a from centering pneumatic fixture, including mounting panel, cylinder, solid fixed splint and movable clamp plate, four rectangular holes are installed to the symmetry in the mounting panel, a mounting panel lateral wall middle part is provided with the baffle, the baffle with install between the mounting panel the cylinder, the spiral shell head is installed to the flexible end of cylinder, install the L type on the spiral shell head movable clamp plate, movable clamp plate one side is provided with lock nut, on the mounting panel with install the one side that the cylinder is relative solid fixed splint, gu fixed splint lateral wall middle part is provided with V type groove one, movable clamp plate is just right be provided with V type groove two on solid fixed splint's the lateral wall, V type groove one with be provided with the circular shape work piece between the V type groove two.

Further, the cylinder with the mounting panel and the baffle all passes through flange joint, the flexible end of cylinder runs through the baffle.

By adopting the technical scheme, the cylinder telescopic end can be ensured to normally slide relative to the partition plate.

Furthermore, the screw head is welded with the telescopic end of the cylinder, the locking nut is screwed with the screw head, and the screw head penetrates through the movable clamping plate.

By adopting the technical scheme, the locking nut and the screw head are screwed to realize the reliable fixation of the movable clamping plate.

Furthermore, the first V-shaped groove is formed in the fixing clamp plate, and the fixing clamp plate is connected with the mounting plate through bolts.

By adopting the technical scheme, the fixing clamp plate can be reliably fixed.

Furthermore, the second V-shaped groove is formed in the movable clamping plate, and the size of the second V-shaped groove is the same as that of the first V-shaped groove.

By adopting the technical scheme, the first V-shaped groove and the second V-shaped groove can reliably clamp the workpiece in a circular shape.

Further, the strip hole is formed in the mounting plate, and the strip hole penetrates through the mounting plate.

Through adopting above-mentioned technical scheme, the rectangular hole can realize the reliable installation of this anchor clamps with the cooperation of outside bolt.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

for solving at present on vertical machining center mainly to drive smooth clamp splice through the cylinder and remove and come to press from both sides tight fixedly to circular workpiece, lead to circular workpiece all to take place to rock around pressing from both sides tightly easily, greatly reduced circular workpiece's the problem of pressing from both sides tight fixed efficiency and quality, the utility model discloses a cylinder, movable clamp plate, solid fixed splint, V type groove one, V type groove two, spiral shell head and lock nut's design for this anchor clamps can come control cylinder flexible through the solenoid valve when using on vertical machining center, thereby drive movable clamp plate through the cylinder and remove for solid fixed splint, fix a position with the quick clamp that realizes circular workpiece presss from both sides, improved circular workpiece's tight fixed efficiency of clamp greatly, avoided rocking of circular workpiece after pressing from both sides tight location simultaneously, ensured the tight fixed quality of clamp of circular workpiece.

Drawings

Fig. 1 is a schematic structural view of a self-centering pneumatic clamp according to the present invention;

fig. 2 is an enlarged view of a position a in the self-centering pneumatic clamp of the present invention.

The reference numerals are explained below:

1. a partition plate; 2. a workpiece; 3. mounting a plate; 4. fixing the clamping plate; 5. a first V-shaped groove; 6. a V-shaped groove II; 7. a movable splint; 8. a cylinder; 9. locking the nut; 10. a screw head; 11. and (4) a long hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-2, the self-centering pneumatic clamp in this embodiment includes a mounting plate 3, an air cylinder 8, a fixed clamp plate 4, and a movable clamp plate 7, four elongated holes 11 are symmetrically installed in the mounting plate 3, a partition plate 1 is disposed in the middle of a side wall of the mounting plate 3, the air cylinder 8 is installed between the partition plate 1 and the mounting plate 3, the air cylinder 8 can achieve convenient extension and retraction of the movable clamp plate 7, a screw head 10 is installed at an extension end of the air cylinder 8, an L-shaped movable clamp plate 7 is installed on the screw head 10, a locking nut 9 is disposed on one side of the movable clamp plate 7, the locking nut 9 is matched with the screw head 10 to achieve reliable fixed installation of the movable clamp plate 7, the fixed clamp plate 4 is installed on a side of the mounting plate 3 opposite to the air cylinder 8, a V-shaped groove one 5 is disposed in the middle of a side wall of the fixed clamp plate 4, and a V-shaped groove two 6 is disposed on a side wall of the movable clamp plate 7 opposite to the fixed clamp plate 4, a circular workpiece 2 is arranged between the first V-shaped groove 5 and the second V-shaped groove 6, and the first V-shaped groove 5 is matched with the second V-shaped groove 6 to reliably clamp the workpiece 2.

As shown in fig. 1-2, in this embodiment, the cylinder 8 is connected to the mounting plate 3 and the partition plate 1 through flanges, the telescopic end of the cylinder 8 penetrates through the partition plate 1, so as to ensure the normal sliding of the telescopic end of the cylinder 8 relative to the partition plate 1, the screw head 10 is welded to the telescopic end of the cylinder 8, the locking nut 9 is screwed to the screw head 10, the screw head 10 penetrates through the movable clamping plate 7, the locking nut 9 is screwed to the screw head 10 to realize the reliable fixing of the movable clamping plate 7, the V-shaped groove one 5 is formed on the fixed clamping plate 4, and the fixed clamping plate 4 is connected to the mounting plate 3 through bolts, so as to realize the reliable fixing of the fixed clamping plate 4.

As shown in fig. 1-2, in this embodiment, a second V-shaped groove 6 is formed on the movable clamp plate 7, the size of the second V-shaped groove 6 is the same as that of the first V-shaped groove 5, a long hole 11 is formed on the mounting plate 3, the long hole 11 penetrates through the mounting plate 3, and the long hole 11 is matched with an external bolt to achieve reliable mounting of the clamp.

The specific implementation process of this embodiment is as follows: when the clamp is used, one side of a long hole 11 in the mounting plate 3 is placed downwards on a workbench of a vertical machining center, the clamp is reliably fixed through the cooperation of an external bolt and the long hole 11, then an electromagnetic valve arranged on the air cylinder 8 is connected with an external power supply, and the air cylinder 8 is connected with an external air station, so that the clamp can be put into use, wherein the on-off state of an air path of the air cylinder 8 is changed through the electromagnetic valve in the using process to realize the telescopic control of the air cylinder 8, the air cylinder 8 can loosen or clamp the circular workpiece 2 through the movable clamping plate 7 while being telescopic, and the V-shaped groove I5 is matched with the V-shaped groove II 6, so that the clamp can reliably position the workpiece 2 after clamping the circular workpiece 2, and ensure that the workpiece 2 cannot shake in the subsequent machining process.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a from centering pneumatic fixture which characterized in that: comprises a mounting plate (3), a cylinder (8), a fixed clamp plate (4) and a movable clamp plate (7), wherein four strip holes (11) are symmetrically installed in the mounting plate (3), a baffle plate (1) is arranged in the middle of one side wall of the mounting plate (3), the cylinder (8) is installed between the baffle plate (1) and the mounting plate (3), a screw head (10) is installed at the telescopic end of the cylinder (8), the movable clamp plate (7) of an L type is installed on the screw head (10), a locking nut (9) is arranged on one side of the movable clamp plate (7), the fixed clamp plate (4) is installed on one side of the mounting plate (3) opposite to the cylinder (8), a V-shaped groove I (5) is arranged in the middle of one side wall of the fixed clamp plate (4), the movable clamp plate (7) is right opposite to a V-shaped groove II (6) arranged on the side wall of the fixed clamp plate (4), and a circular workpiece (2) is arranged between the first V-shaped groove (5) and the second V-shaped groove (6).

2. The self-centering pneumatic clamp of claim 1, wherein: the cylinder (8) with mounting panel (3) and baffle (1) all pass through flange joint, the flexible end of cylinder (8) runs through baffle (1).

3. The self-centering pneumatic clamp of claim 1, wherein: the screw head (10) is welded with the telescopic end of the air cylinder (8), the locking nut (9) is screwed with the screw head (10), and the screw head (10) penetrates through the movable clamping plate (7).

4. The self-centering pneumatic clamp of claim 1, wherein: the V-shaped groove I (5) is formed on the fixed clamping plate (4), and the fixed clamping plate (4) is connected with the mounting plate (3) through bolts.

5. The self-centering pneumatic clamp of claim 1, wherein: the V-shaped groove II (6) is formed on the movable clamping plate (7), and the size of the V-shaped groove II (6) is the same as that of the V-shaped groove I (5).

6. The self-centering pneumatic clamp of claim 1, wherein: rectangular hole (11) shaping in on mounting panel (3), rectangular hole (11) run through mounting panel (3).