CN218746383U

CN218746383U - Clamping mechanism for numerical control machining center

Info

Publication number: CN218746383U
Application number: CN202222991614.3U
Authority: CN
Inventors: 潘亮亮; 张海洋
Original assignee: Anhui Hongsai Automation Equipment Co ltd
Current assignee: Anhui Hongsai Automation Equipment Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-28
Anticipated expiration: 2032-11-10

Abstract

The utility model relates to a fixture for numerical control machining center, including the mount, the inside fixedly connected with outer loop of mount, the inside fixedly connected with inner column of outer loop, be provided with the cylinder directly behind the inner column, the output fixedly connected with push plate of cylinder, the front side fixedly connected with extrusion post placed in the middle of the push plate, and the front side of push plate leans on the side equidistance to be provided with a set of extrusion pole, the inside equidistance of outer loop is provided with a set of extrusion groove one, the inside of extrusion groove one runs through and is provided with grip block one, the inside of inner column is provided with extrusion groove two placed in the middle of, extrusion groove two runs through and is provided with a set of grip block two, the junction of grip block one and outer loop leans on the front end and the junction of grip block two and inner column leans on the front end to all be provided with stop gear; through setting up grip block one and grip block two and mutually supporting, both can carry out even centre gripping to the pipe fitting, enlarged the centre gripping area simultaneously, improved the centre gripping effect.

Description

Clamping mechanism for numerical control machining center

Technical Field

The application relates to the technical field of numerical control machining centers, in particular to a clamping mechanism for a numerical control machining center.

Background

The numerical control machining center is a high-efficiency automatic machine tool which is composed of mechanical equipment and a numerical control system and is suitable for machining complex parts, and in the process of machining the parts, the parts need to be limited and fixed through a clamping mechanism, so that the stability of the parts is improved.

Chinese utility model patent like publication No. CN212496625U3 discloses a work piece positioning mechanism for numerical control machining center, its characterized in that includes base, electric cylinder, linking arm, goes up centre gripping subassembly and lower centre gripping subassembly, electric cylinder is installed on the base left side, electric cylinder passes through bolted connection with the base.

To the correlation technique among the above-mentioned, the inventor thinks there is the limited problem of clamping face, and the anchor clamps among the comparison document carry out angle modulation through the rotation of strong point, realize the centre gripping of pipe fitting fixed, but the one end that the anchor clamps kept away from the strong point can contact with the pipe fitting, and the one end that is close to the strong point then can not be fine contact with the pipe fitting, and the clamping pressure of anchor clamps both ends to the pipe fitting is inhomogeneous simultaneously, and certain probability causes the damage of pipe fitting.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the present application provides a clamping mechanism for a numerical control machining center.

The application provides a fixture for numerical control machining center adopts following technical scheme:

the utility model provides a fixture for numerical control machining center, includes the mount, the inside fixedly connected with outer loop of mount, the inside fixedly connected with inner prop of outer loop, be provided with the cylinder behind the inner prop, the output fixedly connected with slurcam of cylinder, the front side fixedly connected with extrusion post placed in the middle of the slurcam, and the front side of slurcam leans on the side equidistance to be provided with a set of extrusion pole, the inside equidistance of outer loop is provided with a set of extrusion groove one, it is provided with grip block one to extrude a inside running through of groove, the inside of inner prop is provided with extrusion groove two placed in the middle, extrusion groove two runs through and is provided with a set of grip block two, grip block one leans on front end and grip block two and the junction of inner prop to lean on the front end to be provided with stop gear with the junction of outer loop.

Through adopting above-mentioned technical scheme, drive the slurcam through the cylinder and remove to the mount direction, extrude grip block one and grip block two, carry out centre gripping work to the pipe fitting.

Preferably, stop gear includes the sliding block, and one side fixedly connected with guide arm of sliding block, the outside of guide arm are provided with reset spring, and the one end fixedly connected with anticreep ring of guide arm.

Through adopting above-mentioned technical scheme, when making the sliding block carry out the vertical sliding through the guide arm, guarantee that the slip direction is stable unchangeable.

Preferably, the bottom of the first clamping block and the top of the second clamping block are both arranged in an inclined manner, and the cross section of the top of the first clamping block and the cross section of the bottom of the second clamping block are both arranged in an arc manner.

Through adopting above-mentioned technical scheme, set up the centre gripping of grip block one and grip block two and personally submit the arc setting, make better and the pipe fitting surface laminating of grip block one and grip block two.

Preferably, the number of the first clamping blocks is the same as that of the second clamping blocks, the first clamping blocks are matched with the extrusion rod, and the second clamping blocks are matched with the extrusion column.

By adopting the technical scheme, the extrusion rod extrudes the clamping block to move vertically inwards, the extrusion column extrudes the clamping block to move vertically outwards, so that the clamping surface of the first clamping block is attached to the outer surface of the pipe fitting, and the clamping surface of the second clamping block is attached to the inner surface of the pipe fitting.

Preferably, the sliding block is fixedly connected with the corresponding clamping block I or clamping block II, and the guide rod penetrates through the corresponding outer ring or inner column.

Through adopting above-mentioned technical scheme, the removal of grip block drives the removal of sliding block and guide arm, and then extrudees reset spring.

Preferably, one end of the return spring is fixedly connected with the sliding block, and one end of the return spring is fixedly connected with the inner surface of the corresponding outer ring or the inner surface of the inner column.

Through adopting above-mentioned technical scheme, reset by reset spring deformation, the grip block that backward extrusion corresponds resets.

To sum up, the application comprises the following beneficial technical effects:

through the arrangement that the first clamping block and the second clamping block are matched with each other, when the push plate moves towards the direction of the fixing frame, the extrusion rod extrudes the clamping blocks to vertically move towards the inner side, the extrusion column extrudes the clamping blocks to vertically move towards the outer side, the clamping surface of the first clamping block is attached to the outer surface of the pipe fitting, the clamping surface of the second clamping block is attached to the inner surface of the pipe fitting, the clamping work is completed, the pipe fitting is uniformly clamped through multi-point multi-surface limiting, and the problem of damage to the pipe fitting is reduced;

through setting up stop gear, because the sliding block receives the extrusion with the grip block one or the two fixed connection of grip block that correspond, through sliding block cooperation guide arm, make the grip block carry out the slip of vertical direction, simultaneously because the arc setting is personally submitted with the centre gripping of grip block two to grip block one, make grip block one with grip block two better with the laminating of pipe fitting surface, through vertical movement's centre gripping mode, the centre gripping area has been enlarged, the centre gripping effect is improved, the numerical control of pipe fitting has been made things convenient for.

Drawings

FIG. 1 is a schematic overall structure diagram of a clamping mechanism for a CNC machining center according to an embodiment of the present disclosure;

FIG. 2 is a cross-sectional view of an outer ring and an inner column of a clamping mechanism for a CNC machining center according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a limiting mechanism of a clamping mechanism for a numerical control machining center in an embodiment of the present application.

Description of reference numerals: 1. a fixed mount; 2. an outer ring; 3. an inner column; 4. a cylinder; 5. a push plate; 6. extruding the column; 7. an extrusion stem; 8. extruding a first groove; 9. a first clamping block; 10. a second extrusion groove; 11. a second clamping block; 12. a limiting mechanism; 13. a slider; 14. a guide bar; 15. a return spring; 16. the anticreep ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses fixture for numerical control machining center. Referring to fig. 1-3, a fixture for numerical control machining center, including mount 1, the inside fixedly connected with outer loop 2 of mount 1, the inside fixedly connected with inner column 3 of outer loop 2, be provided with cylinder 4 directly behind inner column 3, the output end fixedly connected with slurcam 5 of cylinder 4, the front side fixedly connected with extrusion post 6 placed in the middle of slurcam 5, and the front side of slurcam 5 is provided with a set of extrusion pole 7 by the side equidistance, the inside equidistance of outer loop 2 is provided with a set of extrusion groove 8, the inside of extrusion groove 8 runs through and is provided with grip block one 9, the inside of inner column 3 is provided with extrusion groove two 10 placed in the middle, extrusion groove two 10 runs through and is provided with a set of grip block two 11, the junction of grip block one 9 and outer loop 2 is by the front end and the junction of grip block two 11 and inner column 3 is by the front end and all is provided with stop gear 12.

The pushing plate 5 is driven by the air cylinder 4 to move towards the fixing frame 1, the first clamping block 9 and the second clamping block 11 are extruded, and clamping work is conducted on the pipe fitting.

As shown in fig. 3, the limiting mechanism 12 includes a sliding block 13, a guide rod 14 is fixedly connected to one side of the sliding block 13, a return spring 15 is disposed outside the guide rod 14, and an anti-drop ring 16 is fixedly connected to one end of the guide rod 14.

When the sliding block 13 is vertically slid by the guide rod 14, the sliding direction is ensured to be stable and unchanged.

As shown in fig. 2, the bottom of the first clamping block 9 and the top of the second clamping block 11 are both disposed in an inclined manner, and the cross section of the top of the first clamping block 9 and the cross section of the bottom of the second clamping block 11 are both disposed in an arc shape.

The clamping surfaces of the first clamping block 9 and the second clamping block 11 are arranged in an arc shape, so that the first clamping block 9 and the second clamping block 11 are better attached to the surface of the pipe fitting.

As shown in FIG. 2, the number of the first clamping blocks 9 is the same as that of the second clamping blocks 11, the first clamping blocks 9 are matched with the extrusion rod 7, and the second clamping blocks 11 are matched with the extrusion column 6.

The first clamping block 9 is extruded by the extruding rod 7 to move vertically inwards, the second clamping block 11 is extruded by the extruding column 6 to move vertically outwards, so that the clamping surface of the first clamping block 9 is attached to the outer surface of the pipe fitting, and the clamping surface of the second clamping block 11 is attached to the inner surface of the pipe fitting.

As shown in fig. 3, the sliding block 13 is fixedly connected to the corresponding clamping block one 9 or clamping block two 11, and the guide rod 14 penetrates through the corresponding outer ring 2 or inner column 3.

The movement of the clamping block causes the movement of the sliding block 13 and the guide rod 14, which in turn compresses the return spring 15.

As shown in fig. 3, one end of the return spring 15 is fixedly connected to the sliding block 13, and one end of the return spring 15 is fixedly connected to the inner surface of the outer ring 2 or the inner surface of the inner column 3.

The reset spring 15 is deformed to reset, and the corresponding clamping block is reversely extruded to reset.

The implementation principle of the clamping mechanism for the numerical control machining center is as follows: the outer ring 2, the inner column 3, the pushing plate 5, the extrusion column 6, the extrusion rod 7, the first clamping block 9, the second clamping block 11 and the limiting mechanism 12 form the main part of the clamping mechanism, when a pipe fitting needs to be machined, the pipe fitting is inserted into the opposite surface of the outer ring 2 and the inner column 3, then the air cylinder 4 pushes the pushing plate 5 to move towards the direction of the fixing frame 1, the first clamping block 9 is extruded by the extrusion rod 7 to move vertically towards the inner side, the second clamping block 11 is extruded by the extrusion column 6 to move vertically towards the outer side, the clamping surface of the first clamping block 9 is attached to the outer surface of the pipe fitting, the clamping surface of the second clamping block 11 is attached to the inner surface of the pipe fitting, clamping work is completed, then the pipe fitting is machined by a numerical control machine tool of a numerical control machining center, and when the clamping blocks move, the sliding block 13 and the guide rod 14 are driven to move, further the reset spring 15 is extruded, after the pushing plate 5 is reset, the reset spring 15 resets, the clamping blocks corresponding to the reverse extrusion, and the machined pipe fitting can be taken down.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fixture for numerical control machining center which characterized in that: including mount (1), the inside fixedly connected with outer loop (2) of mount (1), post (3) in the inside fixedly connected with of outer loop (2), be provided with cylinder (4) behind inner column (3), the output fixedly connected with slurcam (5) of cylinder (4), fixedly connected with extrusion post (6) placed in the middle of the front side of slurcam (5), and the front side of slurcam (5) is leaned on the side equidistance and is provided with a set of stripper bar (7), the inside equidistance of outer loop (2) is provided with a set of extrusion groove (8), extrusion groove (8) inside is run through and is provided with grip block (9), the inside of inner column (3) is placed in the middle and is provided with extrusion groove (10), extrusion groove (10) run through and is provided with a set of grip block (11), grip block (9) and the junction of outer loop (2) lean on the front end and the junction of grip block (11) and inner column (3) all are provided with stop gear (12) by the front end.

2. The clamping mechanism for the numerical control machining center according to claim 1, characterized in that: the limiting mechanism (12) comprises a sliding block (13), a guide rod (14) is fixedly connected to one side of the sliding block (13), a return spring (15) is arranged on the outer side of the guide rod (14), and an anti-falling ring (16) is fixedly connected to one end of the guide rod (14).

3. The clamping mechanism for the numerical control machining center according to claim 1, characterized in that: the bottom of the first clamping block (9) and the top of the second clamping block (11) are both in inclined arrangement, and the top cross section of the first clamping block (9) and the bottom cross section of the second clamping block (11) are both in arc arrangement.

4. The clamping mechanism for the numerical control machining center according to claim 1, characterized in that: the number of the first clamping blocks (9) is the same as that of the second clamping blocks (11), the first clamping blocks (9) are matched with the extrusion rod (7), and the second clamping blocks (11) are matched with the extrusion column (6).

5. The clamping mechanism for the numerical control machining center according to claim 2, characterized in that: the sliding block (13) is fixedly connected with the corresponding clamping block I (9) or the corresponding clamping block II (11), and the guide rod (14) penetrates through the corresponding outer ring (2) or the corresponding inner column (3).

6. The clamping mechanism for the numerical control machining center according to claim 2, characterized in that: one end of the return spring (15) is fixedly connected with the sliding block (13), and one end of the return spring (15) is fixedly connected with the inner surface of the corresponding outer ring (2) or the inner surface of the inner column (3).