CN210498663U

CN210498663U - Novel short arc milling machine frock clamp

Info

Publication number: CN210498663U
Application number: CN201921140191.6U
Authority: CN
Inventors: 胡国玉; 张立; 周建平; 刘凯
Original assignee: Xinjiang University
Current assignee: Xinjiang University
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-05-12
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a tool clamp belonging to the technical field of tool clamps, in particular to a novel tool clamp for a short arc milling machine, which comprises a clamp body and clamp fingers positioned above the clamp body, T-shaped guide rail grooves are respectively arranged at the left side and the right side of the top of the clamp body, T-shaped guide rails are movably inserted in the T-shaped guide rail grooves, a T-shaped chute is formed between the T-shaped guide rails at the left side and the right side, the top of the T-shaped guide rail is connected with the clamp fingers, the top of the clamp body is connected with a gland through screws, the gland is positioned at the top of the T-shaped chute, a vertical chute is arranged in the middle of an inner cavity of the clamp body, a wedge-shaped slider mechanism is movably inserted at the upper part of the vertical chute, a piston is movably inserted at the lower part of the vertical chute, the wedge-shaped slider mechanism, easy to operate and safer.

Description

Novel short arc milling machine frock clamp

Technical Field

The utility model relates to a frock clamp technical field specifically is a novel short arc is frock clamp for milling machine.

Background

Short arc discharge machining is an electric cutting method for removing conductive metal by using a gas-liquid mixture with a certain proportion of pressure as a working medium and utilizing instantaneous high temperature generated by short arc discharge groups between electrodes. Short electric arc milling process technique is as an important processing mode of short electric arc discharge machining technique, when short electric arc milling process work piece, the prerequisite that can accurately carry out processing to the work piece is exactly that to carry out stable fixed to the work piece, so just need carry out necessary improvement to the frock clamp of traditional short electric arc milling machine to promote the stability of work piece centre gripping, and then improve the yields of work piece processing.

However, the conventional tool clamp for the short arc milling machine has the problems that only a simple regular hexahedron can be clamped, the condition for clamping workpieces in other shapes is not met, the application range is narrow, and the electrode is fixed at the chuck end of the clamp body in an exposed mode through the positioning bolt, so that certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel frock clamp for short arc milling machine to solve the just hexahedron that only can the clamping be comparatively simple that proposes in the above-mentioned background, do not possess the condition of the other shape work pieces of clamping, application scope is narrower, and the electrode is fixed in pressing from both sides specific chuck end through positioning bolt with naked mode, has the problem of certain potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: a novel tool clamp for a short arc milling machine comprises a clamp body and clamp fingers positioned above the clamp body, wherein T-shaped guide rail grooves are formed in the left side and the right side of the top of the clamp body, T-shaped guide rails are movably inserted in the T-shaped guide rail grooves in a sliding mode, a T-shaped sliding groove is formed between the T-shaped guide rails on the left side and the right side, the top of each T-shaped guide rail is connected with the clamp fingers, a pressing cover is connected to the top of the clamp body through screws and positioned at the top of the T-shaped sliding groove, a vertical sliding groove is formed in the middle of an inner cavity of the clamp body, a wedge-shaped slider mechanism is movably inserted in the upper portion of the vertical sliding groove, a piston is movably inserted in the lower portion of the vertical sliding groove, the wedge-shaped slider mechanism is fixedly inserted in the center of the top of the piston, a retaining force, the top of the retention spring is sleeved with a fixed sleeve ring, the fixed sleeve ring is connected to the top of the vertical sliding groove through a screw, a screw rod is arranged at the center of the bottom of the piston, a bottom cover is connected to the joint of the screw rod and the bottom of the inner cavity of the vertical sliding groove through threads, a workpiece electrode pressing block is connected to the bottom of the bottom cover through a screw, the workpiece electrode pressing block is connected to the bottom of the clamp body through a bolt, a straight-inserting hole capable of being directly inserted with an electrode tip is formed in the left end of the body of the workpiece electrode pressing block, a hand wheel is sleeved at the bottom of the screw rod, and a hand wheel.

Preferably, the bottom of the clamp finger is provided with a first screw hole, the top of the T-shaped guide rail is provided with a second screw hole corresponding to the first screw hole, and the first screw hole and the second screw hole are connected through a clamp finger fastening screw in a threaded manner.

Preferably, the slope of the top of the wedge sled mechanism is the same as the slope of the T-shaped chute.

Preferably, a screw shaft sleeve is arranged at the joint of the screw and the bottom cover.

Preferably, the anti-skid grains are carved at one end of the left and right sides close to the fingers of the clamp.

Preferably, the bottom of the hand wheel is connected with a hand wheel handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the device can clamp regular polyhedrons and cylindrical and spherical parts with different diameters, and can adjust the stroke of the fingers of the clamp by adopting a wedge-shaped sliding block mechanism and ensure the synchronous movement of the fingers of the clamp so as to better clamp workpieces;

2) the clamp body is internally provided with a retention spring as an energy storage mechanism so as to maintain the clamping force, and the left end of the workpiece electrode pressing block is provided with a straight-inserting hole capable of directly inserting the electrode tip for connecting and fixing the electrode tip, so that the safety protection effect is achieved;

3) the screw transmission is adopted, the structure is simple, the installation and the operation are easy, and meanwhile, the positioning error can be reduced.

Drawings

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

FIG. 2 is a left side view of the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

fig. 4 is a top view of the present invention;

fig. 5 is a schematic view of the wedge-shaped slider mechanism of the present invention.

In the figure: the clamp comprises a clamp body 1, a wedge-shaped sliding block mechanism 2, a 3T-shaped guide rail, a gland 4, a fixing lantern ring 5, a retaining force spring 6, a piston 7, a bottom cover 8, a screw shaft sleeve 9, a screw rod 10, a hand wheel 11, a hand wheel handle 12, a hand wheel fastening screw 13, a workpiece electrode pressing block 14, a clamp finger 15 and a clamp finger fastening screw 16.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a novel frock clamp for short arc milling machine, includes anchor clamps body 1 and the anchor clamps finger 15 that is located 1 top of anchor clamps body, T shape guide rail groove has all been seted up to the left and right sides at 1 top of anchor clamps body, and T shape guide rail inslot activity is slided and is pegged graft and have T shape guide rail 3, controls and constitutes T shape spout between the side T shape guide rail 3, and the top of T shape guide rail 3 is connected with anchor clamps finger 15, and anchor clamps finger 15 removes along with T shape guide rail 3's slip and presss from both sides the work piece tightly.

The top of the clamp body 1 is connected with a gland 4 through a screw, the gland 4 is positioned at the top of the T-shaped sliding groove, the gland 4 limits the upper limit of the movement of the wedge-shaped sliding block mechanism 2, the bottom of the T-shaped sliding groove limits the lower limit of the movement of the wedge-shaped sliding block mechanism 2, the middle part of the inner cavity of the clamp body 1 is provided with a vertical sliding groove, the upper part of the vertical sliding groove is movably inserted with the wedge-shaped sliding block mechanism 2, the wedge-shaped sliding block mechanism 2 can move up and down in the T-shaped sliding groove, the wedge-shaped sliding block mechanism 2 jacks up the clamp fingers 15 so that the clamp fingers 15 on the left side and the right side are close to the T-shaped guide rail 3 so as to clamp a workpiece, the lower part of the vertical sliding groove is movably inserted with a piston 7, the wedge-shaped sliding block mechanism 2, the top of a holding force spring 6 is sleeved with a fixed lantern ring 5, the fixed lantern ring 5 is connected to the top of a vertical chute through a screw, the center of the bottom of a piston 7 is provided with a screw rod 10, the top of the screw rod 10 can rotate and rise in an inner cavity at the bottom of the piston 7 to jack the piston 7, the joint of the screw rod 10 and the bottom of the inner cavity of the vertical chute is connected with a bottom cover 8 through threads, the piston 7 is driven to extrude the holding force spring 6 to move upwards through the rotation of the screw rod 10, the holding force spring 6 serves as an energy storage mechanism to be convenient for holding clamping force and simultaneously drives a wedge-shaped sliding block mechanism 2 at the center of the top of the piston 7 to move upwards, the bottom of the bottom cover 8 is connected with a workpiece electrode pressing block 14 through a screw, the workpiece electrode pressing block 14 is connected to the bottom of a clamp body 1 through a bolt, the, a hand wheel fastening screw 13 is connected between the hand wheel 11 and the bottom of the screw rod 10, and the hand wheel 11 is fastened to the bottom of the screw rod 10 through the hand wheel fastening screw 13.

Wherein, the first screw has been seted up to the bottom of anchor clamps finger 15, and the second screw that corresponds with first screw position is seted up at the top of T

shape guide rail

3, and 16 spiro unions are pointed through anchor clamps between first screw and the second screw, consolidate the stability that anchor clamps finger 15 and T shape guide rail 3 are connected.

The slope of the top of the T-shaped sliding groove is the same as that of the top of the wedge-shaped sliding block mechanism 2, so that the wedge-shaped sliding block mechanism 2 can ascend and descend more smoothly.

The screw shaft sleeve 9 is arranged at the joint of the screw 10 and the bottom cover 8, so that the screw 10 can rotate more smoothly.

The anti-slip lines are carved on the ends, close to the left and right clamp fingers 15, of the clamp fingers to assist in improving the clamping tightness of the clamp fingers 15.

The bottom of the hand wheel 11 is connected with a hand wheel handle 12, and the hand wheel 11 is rotated by the hand wheel handle 12 to save more labor.

The working principle is as follows: connect whole device on the milling machine, rotate hand wheel 11 through hand wheel handle 12, thereby make screw rod 10 pass through the screw thread rotation of bottom 8, it extrudes holding power spring 6 upward movement to drive piston 7 through the rotation of screw rod 10, drive 2 upward movements of wedge slider mechanism at piston 7 top center simultaneously, thereby 2 jack-up anchor clamps fingers 15 of wedge slider mechanism make anchor clamps fingers 15 on left and right sides be close to along with T shape guide rail 3 mutually, thereby with the work piece centre gripping, holding power spring 6 is as energy storage mechanism so that keep the clamp force, the stability of anchor clamps fingers 15 when having guaranteed the centre gripping work piece, thereby hand wheel handle 12 drives screw rod 10 and rotates and drive 2 and 15 synchronous motion of wedge slider mechanism and anchor clamps fingers, the precision of clamping has been guaranteed.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel frock clamp for short arc milling machine, includes anchor clamps body (1) and is located anchor clamps finger (15) of anchor clamps body (1) top, its characterized in that: the clamp comprises a clamp body (1), wherein T-shaped guide rail grooves are formed in the left side and the right side of the top of the clamp body (1), a T-shaped guide rail (3) is movably inserted in the T-shaped guide rail grooves in a sliding mode, a T-shaped sliding groove is formed between the T-shaped guide rails (3) on the left side and the right side, a clamp finger (15) is connected to the top of the T-shaped guide rail (3), a gland (4) is connected to the top of the clamp body (1) through a screw, the gland (4) is located at the top of the T-shaped sliding groove, a vertical sliding groove is formed in the middle of an inner cavity of the clamp body (1), a wedge-shaped sliding block mechanism (2) is movably inserted in the upper portion of the vertical sliding groove, a piston (7) is movably inserted in the lower portion of the vertical sliding groove, the wedge-shaped sliding block mechanism (2) is, and the holding force spring (6) is sleeved outside the wedge-shaped sliding block mechanism (2), the top of the holding force spring (6) is sleeved with a fixed lantern ring (5), the fixed lantern ring (5) is connected to the top of the vertical chute through a screw, a screw rod (10) is arranged at the center of the bottom of the piston (7), the connection part of the screw rod (10) and the bottom of the inner cavity of the vertical chute is connected with a bottom cover (8) through threads, the bottom of the bottom cover (8) is connected with a workpiece electrode pressing block (14) through a screw, the workpiece electrode pressing block (14) is connected to the bottom of the clamp body (1) through a bolt, the left end of the body of the workpiece electrode pressing block (14) is provided with a straight-inserting hole for inserting the electrode head directly, the hand wheel (11) is sleeved at the bottom of the screw rod (10), and a hand wheel fastening screw (13) is connected between the bottom of the hand wheel (11) and the bottom of the screw rod (10).

2. The novel tool clamp for the short arc milling machine according to claim 1, characterized in that: the bottom of the clamp finger (15) is provided with a first screw hole, the top of the T-shaped guide rail (3) is provided with a second screw hole corresponding to the first screw hole, and the first screw hole and the second screw hole are connected through a clamp finger fastening screw (16) in a threaded mode.

3. The novel tool clamp for the short arc milling machine according to claim 1, characterized in that: the slope of the top of the T-shaped sliding groove is the same as that of the top of the wedge-shaped sliding block mechanism (2).

4. The novel tool clamp for the short arc milling machine according to claim 1, characterized in that: and a screw shaft sleeve (9) is arranged at the joint of the screw (10) and the bottom cover (8).

5. The novel tool clamp for the short arc milling machine according to claim 1, characterized in that: anti-skid grains are carved at one end of the left side and the right side, which is close to the clamp fingers (15).

6. The novel tool clamp for the short arc milling machine according to claim 1, characterized in that: the bottom of the hand wheel (11) is connected with a hand wheel handle (12).