CN211361506U

CN211361506U - Clamp for machining of numerical control milling machine

Info

Publication number: CN211361506U
Application number: CN202020010980.4U
Authority: CN
Inventors: 胡仁平; 曾树华; 张谦
Original assignee: Hunan Vocational College of Railway Technology
Current assignee: Hunan Vocational College of Railway Technology
Priority date: 2020-01-04
Filing date: 2020-01-04
Publication date: 2020-08-28
Anticipated expiration: 2030-01-04

Abstract

The utility model discloses an anchor clamps are used in numerically controlled fraise machine processing relates to anchor clamps technical field, the on-line screen storage device comprises a base, the top both sides of base all are provided with the baffle, the oil tank is installed to the inside bottom one side of base, one side of oil tank just is located the inside bottom of base and is provided with L type pipe. The utility model discloses a set up the oil tank, L type pipe, first piston, U type groove, the second piston, gear and rack isotructure, when other surfaces are processed to needs, only need place the platform and move down, just can drive the first piston downstream in the push rod messenger L type pipe, thereby drive the oil in L type pipe and the oil tank and move, and extrude oil in the U type groove, make and promote the second piston, make the rack rise, and it is rotatory rather than complex gear to drive, thereby it is rotatory to make the pivot, finally make the work piece rotatory, the clamping work piece has been realized promptly, can satisfy rotatory function again, make simple structure, and convenient for maintain, make use cost greatly reduced.

Description

Clamp for machining of numerical control milling machine

Technical Field

The utility model relates to an anchor clamps technical field specifically is an anchor clamps are used in numerically controlled fraise machine processing.

Background

The numerical control machine tool is mainly used for machining parts with complex shapes, the selection of the numerical control milling machine fixture can be firstly determined according to the batch of the produced parts, most of the existing fixtures for machining the numerical control milling machine have single functions, can only realize clamping and cannot rotate to other surfaces, so that the purpose of rapid milling is achieved, and some special fixtures can also rotate in the direction, but have complex structures, are inconvenient to maintain, have high cost and are not suitable for enterprises with small-batch production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the clamp for machining the numerical control milling machine is provided for solving the problems that most of existing clamps for machining the numerical control milling machine are single in function, can only clamp and cannot rotate to other surfaces, and further achieve the purpose of rapid milling, and some special clamps can also rotate in the direction, but are complex in structure, inconvenient to maintain, high in cost and not suitable for small-batch-production enterprises.

In order to achieve the above object, the utility model provides a following technical scheme: a clamp for machining a numerical control milling machine comprises a base, wherein two sides of the top of the base are provided with baffles, one side of the bottom inside the base is provided with an oil tank, one side of the oil tank is provided with an L-shaped pipe which is positioned at the bottom inside the base, a first piston is arranged inside the L-shaped pipe, one side of the L-shaped pipe is provided with a third hydraulic cylinder which is positioned at the bottom inside the base, the top of the L-shaped pipe is provided with a second hydraulic cylinder, the output ends of the second hydraulic cylinder and the third hydraulic cylinder are both connected with a placing table, the middle part of the bottom of the placing table is provided with a push rod, the push rod extends into the L-shaped pipe and is connected with the first piston, the top of the oil tank is provided with a U-shaped groove which extends out of the base, the bottom inside of the U-shaped groove is connected with a spring, the, the utility model discloses a hydraulic cylinder, including base, oil tank, baffle inboard swing joint, the baffle inboard swing joint who keeps away from one side of oil tank of base installs first pneumatic cylinder, the inboard swing joint of baffle of one side of oil tank of base has the pivot, the outside of pivot is provided with the gear with rack matched with, the output of first pneumatic cylinder all is provided with splint with the end of pivot.

Preferably, the top of placing the platform is provided with the spout with splint matched with, and the outside of splint is provided with the anti-skidding membrane.

Preferably, the top of base is provided with the backup pad with pivot matched with, and passes through bearing connection between pivot and the backup pad.

Preferably, the first hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder are all electrically connected with an external switch.

Preferably, a sealing ring is arranged between the L-shaped pipe and the push rod, and a sealing ring is also arranged between the oil tank and the rack.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the oil tank, L type pipe, first piston, U type groove, the second piston, gear and rack isotructure, when other surfaces are processed to needs, only need place the platform and move down, just can drive the first piston downstream in the push rod messenger L type pipe, thereby drive the oil in L type pipe and the oil tank and move, and extrude oil in the U type groove, make and promote the second piston, make the rack rise, and it is rotatory rather than complex gear to drive, thereby it is rotatory to make the pivot, finally make the work piece rotatory, the clamping work piece has been realized promptly, can satisfy rotatory function again, make simple structure, and convenient for maintain, make use cost greatly reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention.

In the figure: 1. a base; 2. a baffle plate; 3. a first hydraulic cylinder; 4. a splint; 5. an oil tank; 6. an L-shaped pipe; 7. a first piston; 8. a push rod; 9. a second hydraulic cylinder; 10. a third hydraulic cylinder; 11. a spring; 12. a second piston; 13. a U-shaped groove; 14. a gear; 15. a rack; 16. a support plate; 17. a rotating shaft; 18. a placing table; 19. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a clamp for numerical control milling machine processing comprises a base 1, wherein two sides of the top of the base 1 are respectively provided with a baffle 2, one side of the bottom end inside the base 1 is provided with an oil tank 5, one side of the oil tank 5 and the bottom end inside the base 1 are provided with an L-shaped pipe 6, the inside of the L-shaped pipe 6 is provided with a first piston 7, one side of the L-shaped pipe 6 and the bottom end inside the base 1 are provided with a third hydraulic cylinder 10, the top of the L-shaped pipe 6 is provided with a second hydraulic cylinder 9, the output ends of the second hydraulic cylinder 9 and the third hydraulic cylinder 10 are both connected with a placing table 18, the middle part of the bottom of the placing table 18 is provided with a push rod 8, the push rod 8 extends to the inside of the L-shaped pipe 6 and is connected with the first piston 7, the top of the oil tank 5 is provided with a U-, the top of second piston 12 is connected with and extends at the outside rack 15 of U type groove 13, and first pneumatic cylinder 3 is installed to 2 inboards of baffle of one side that base 1 kept away from

oil tank

5, and 2 inboard swing joint of baffle of one side that base 1 kept away from oil tank 5 have pivot 17, and the outside of pivot 17 is provided with and rack 15 matched with gear 14, and the output of first pneumatic cylinder 3 all is provided with splint 4 with the end of pivot 17.

The utility model discloses an oil tank 5 has been set up, L type pipe 6, first piston 7, U type groove 13, second piston 12, gear 14 and rack 15 isotructure, when other surfaces are processed to needs, only need to place platform 18 downstream, just can drive first piston 7 downstream in push rod 8 messenger L type pipe 6, thereby drive the oil in L type pipe 6 and the oil tank 5 and move, and extrude oil in U type groove 13, make and promote second piston 12, make rack 15 rise, and it is rotatory rather than complex gear 14 to drive, thereby it is rotatory to make pivot 17, finally make the work piece rotatory, the clamping work piece has been realized promptly, can satisfy rotatory function again, make simple structure, be convenient for maintain, make use cost greatly reduced.

Please refer to fig. 1, fig. 2 and fig. 3, the top of the placing table 18 is provided with a sliding groove 19 matching with the clamping plate 4, and the outer side of the clamping plate 4 is provided with an anti-slip film, the sliding groove 19 is provided for facilitating the movement of the clamping plate 4, and the anti-slip film is provided for avoiding slipping when clamping the workpiece.

Please refer to fig. 1, fig. 2 and fig. 3, a supporting plate 16 is disposed at the top of the base 1 and is matched with the rotating shaft 17, and the rotating shaft 17 is connected to the supporting plate 16 through a bearing, the supporting plate 16 is disposed in order to better support the rotating shaft 17 and stabilize the operation.

Please refer to fig. 1 and fig. 2, the first hydraulic cylinder 3, the second hydraulic cylinder 9 and the third hydraulic cylinder 10 are all electrically connected to the external switch, so that the electrical components are electrically connected to the external switch, which is convenient for the operator to control the electrical devices.

Please refer to fig. 1, fig. 2 and fig. 3, a sealing ring is disposed between the L-shaped pipe 6 and the push rod 8, and a sealing ring is also disposed between the oil tank 5 and the rack 15, so that the sealing ring is disposed to enhance the air tightness between the L-shaped pipe 6 and the oil tank 5, and the transmission effect is better.

The working principle is as follows: when the device is used, a workpiece is placed on the placing table 18, then the first hydraulic cylinder 3 is started, the clamping plate 4 is pushed to firmly clamp the workpiece, after the upper surface of the workpiece is processed, another surface needs to be processed, at the moment, the second hydraulic cylinder 9 and the third hydraulic cylinder 10 are started simultaneously, the placing table 18 is pulled downwards stably, the push rod 8 is driven simultaneously, the first piston 7 in the L-shaped pipe 6 is driven to move downwards, the L-shaped pipe 6 and oil in the oil tank 5 are driven to move, the oil is extruded into the U-shaped groove 13, the second piston 12 is driven to lift the rack 15, the spring 11 is stretched and drives the gear 14 matched with the spring to rotate, the rotating shaft 17 is driven to rotate, finally, the two groups of clamping plates 4 and the clamped workpiece rotate to the other surface together, when the other surface is stably exposed in a processing area, the second hydraulic cylinder 9 and the third hydraulic cylinder 10 are stopped, then, the surface is machined, and the other surfaces are machined in the same step; after the machining is completed, the second hydraulic cylinder 9 and the third hydraulic cylinder 10 are actuated to lift the mount table 18, and the second piston 12 is pulled back by the restitution of the spring 11 to lift the first piston 7 and push the push rod 8 back to the original position.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a clamp for numerically controlled fraise machine processing, includes base (1), its characterized in that: the oil tank is characterized in that baffles (2) are arranged on two sides of the top of the base (1), an oil tank (5) is mounted on one side of the bottom inside the base (1), an L-shaped pipe (6) is arranged on one side of the oil tank (5) and located at the bottom inside the base (1), a first piston (7) is arranged inside the L-shaped pipe (6), a third hydraulic cylinder (10) is mounted on one side of the L-shaped pipe (6) and located at the bottom inside the base (1), a second hydraulic cylinder (9) is mounted at the top of the L-shaped pipe (6), the output ends of the second hydraulic cylinder (9) and the third hydraulic cylinder (10) are both connected with a placing table (18), a push rod (8) is arranged in the middle of the bottom of the placing table (18), the push rod (8) extends to the inside of the L-shaped pipe (6) and is connected with the first piston (7), a U-shaped groove (13) extending, the inside bottom in U type groove (13) is connected with spring (11), the top of spring (11) is connected with second piston (12), the top of second piston (12) is connected with and extends in the outside rack (15) of U type groove (13), baffle (2) inboard of one side of oil tank (5) is kept away from in base (1) is installed first pneumatic cylinder (3), baffle (2) inboard swing joint of one side of oil tank (5) is kept away from in base (1) has pivot (17), the outside of pivot (17) is provided with gear (14) with rack (15) matched with, the output of first pneumatic cylinder (3) all is provided with splint (4) with the end of pivot (17).

2. The jig for numerical control milling machine machining according to claim 1, characterized in that: the top of the placing table (18) is provided with a sliding groove (19) matched with the clamping plate (4), and the outer side of the clamping plate (4) is provided with an anti-skid film.

3. The jig for numerical control milling machine machining according to claim 1, characterized in that: the top of the base (1) is provided with a supporting plate (16) matched with the rotating shaft (17), and the rotating shaft (17) is connected with the supporting plate (16) through a bearing.

4. The jig for numerical control milling machine machining according to claim 1, characterized in that: the first hydraulic cylinder (3), the second hydraulic cylinder (9) and the third hydraulic cylinder (10) are electrically connected with external switches.

5. The jig for numerical control milling machine machining according to claim 1, characterized in that: a sealing ring is arranged between the L-shaped pipe (6) and the push rod (8), and a sealing ring is also arranged between the oil tank (5) and the rack (15).