CN214054413U

CN214054413U - Numerical control machine tool clamp

Info

Publication number: CN214054413U
Application number: CN202022018419.3U
Authority: CN
Inventors: 顾兰智
Original assignee: Hebei Chemical and Pharmaceutical College
Current assignee: Hebei Chemical and Pharmaceutical College
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-08-27
Anticipated expiration: 2030-09-15

Abstract

The utility model provides a numerical control machine tool fixture, a centre gripping of treating the machined part for the lathe adds man-hour, including the anchor clamps seat, the anchor clamps seat includes the splint of vertical setting and the base that the level set up, be equipped with the screw hole on splint, it is equipped with fastening screw to wear through the screw hole, be equipped with two sets of anchor clamps that the symmetry set up on the base, every anchor clamps of group all are in the fastening screw butt, and every anchor clamps of group include the semi-anchor clamps that two symmetries set up, semi-anchor clamps slidable and rotatable locate on the base, be equipped with the half groove of centre gripping of different shapes on four sides of semi-anchor clamps, because of the rotation of semi-anchor clamps, can form the centre gripping groove of different shapes on the anchor clamps that the semi-anchor clamps of two symmetry settings made up. The utility model discloses a digit control machine tool anchor clamps through setting up the half groove of centre gripping of difference on rotatable half anchor clamps and the half anchor clamps, can make up into the centre gripping groove of different shapes to can carry out the centre gripping to the object of different shapes, reduced the change to anchor clamps, it is more convenient to use.

Description

Numerical control machine tool clamp

Technical Field

The utility model relates to a machine tool clamp technical field, in particular to digit control machine tool clamp.

Background

The clamp is used for fixing a processing object in a mechanical manufacturing process to enable the processing object to occupy a correct position so as to receive construction or detection. The clamps may be classified into welding clamps, inspection clamps, assembly clamps, machine tool clamps, etc., with machine tool clamps being the most common. In the machining process, not only workpieces with standard appearance but also a large number of special-shaped workpieces are machined, if product accessories meeting the requirements are required to be obtained, various machining modes need to be comprehensively applied in the machining process, a large amount of manpower and material resources are consumed, and particularly, when a non-matched machine tool clamp is used, indentations sometimes remain on the surfaces of the workpieces, so that the economic benefit is influenced. The existing standard machine tool clamp cannot always have the function of clamping workpieces with different shapes, so that the workpieces need to be replaced according to the shapes of objects to be clamped, and the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a numerical control machine tool fixture, which can clamp objects of different shapes.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a numerically-controlled machine tool fixture for the centre gripping of treating the machined part in machine tool machining, includes anchor clamps seat, anchor clamps seat includes the splint of vertical setting and the base of level setting, in be equipped with the screw hole on the splint, wear through the screw hole is equipped with fastening screw, in be equipped with two sets of anchor clamps that the symmetry set up on the base, every group anchor clamps all with the fastening screw butt, anchor clamps can be close to each other under fastening screw's promotion, every group anchor clamps include the semi-anchor clamps that two symmetries set up, semi-anchor clamps slidable and rotatable locate on the base, be equipped with the half groove of centre gripping of different shapes on four sides of semi-anchor clamps, because of the rotation of semi-anchor clamps, by two symmetries set up semi-anchor clamps make up can form the centre gripping groove of different shapes on the anchor clamps.

Further, half anchor clamps include half anchor clamps of first and half anchor clamps of second, half anchor clamps of first with half anchor clamps of second are the same cuboid form, just half anchor clamps of first with be equipped with the same and bilateral symmetry's of shape centre gripping half groove and fastening half groove on the side that half anchor clamps of second correspond.

Furthermore, a sliding groove is formed in the base, a fixing rod is arranged in the sliding groove in a sliding mode, a first fixing hole is formed in the first half fixture, a second fixing hole is formed in the second half fixture, and the fixing rod penetrates through the first fixing hole and the second fixing hole respectively to fix the first half fixture and the second half fixture on the base respectively.

Furthermore, the dead lever is cylindric, in the top of dead lever is equipped with the fixed block, in the bottom of dead lever is equipped with the cartridge piece of L shape, is equipped with first fixed slot in the top of first half anchor clamps, is equipped with the second fixed slot in the top of second half anchor clamps, because of the fixed block in the card in the first fixed slot is put in order to constitute the dead lever with the fixed of the relative position of first half anchor clamps, because of the fixed block in the card in the second fixed slot is put in order to constitute the dead lever with the fixed of the relative position of second half anchor clamps.

Furthermore, the spout includes that the four sections are the half spout that L shape and interval set up, in every section the same end of half spout is equipped with the confession of L shape the cartridge groove of cartridge piece cartridge, and in the below of spout is equipped with and holds the cartridge piece is along with the gliding holding tank of dead lever.

Furthermore, a push-pull ring is arranged at the upper end of the fixing block.

Furthermore, an installation rod is arranged on the bottom surface of the clamp seat.

Compared with the prior art, the utility model discloses following advantage has:

(1) a digit control machine tool anchor clamps, through setting up half groove of centre gripping of difference on rotatable half anchor clamps and the half anchor clamps, can make up into the centre gripping groove of different shapes to can carry out the centre gripping to the object of different shapes, reduced the change to anchor clamps, it is more convenient to use.

(2) The clamping grooves can be formed by splicing the first half clamp and the second half clamp by arranging the clamping half grooves with the same shape and bilateral symmetry on the side faces corresponding to the first half clamp and the second half clamp.

(3) Through setting up the spout on the base, set up the dead lever in the spout, set up first fixed orifices on first half anchor clamps, set up the second fixed orifices on second half anchor clamps for first half anchor clamps and second half anchor clamps slide to be located on the base.

(4) The fixing block is arranged on the top end of the fixing rod, the first fixing groove is arranged on the top end of the first half fixture, the second fixing groove is arranged on the top end of the second half fixture, the first half fixture cannot fix the relative fixing rod to rotate due to the fact that the fixing block is clamped in the first fixing groove, and the second half fixture cannot fix the relative fixing rod to rotate due to the fact that the fixing block is clamped in the second fixing groove.

(5) The bottom through at the dead lever sets up the cartridge piece to bottom in the spout sets up the holding tank, makes the dead lever can be when the spout is gliding, the displacement of the vertical direction of base relatively.

(6) Through setting up the push-pull ring, can be convenient for dead lever in the extraction and the insertion of fixed orifices to can be convenient for first half anchor clamps and second remove the rotation and the fixing of anchor clamps.

(7) The installation rod is arranged on the bottom surface of the clamp seat, so that the clamp seat can be conveniently fixed and installed on a machine tool.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic structural view of a numerical control machine tool fixture according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a clamp seat according to an embodiment of the present invention;

fig. 3 is a schematic front structural view of a first half fixture according to an embodiment of the present invention;

fig. 4 is a schematic view of a reverse structure of a first half fixture according to an embodiment of the present invention;

fig. 5 is a schematic front view of a second half fixture according to an embodiment of the present invention;

fig. 6 is a schematic view of a reverse structure of a second half clamp according to an embodiment of the present invention;

fig. 7 is a schematic view of a fixing rod structure according to an embodiment of the present invention;

description of reference numerals:

1-a clamp seat, 11-a clamping plate, 111-a threaded hole, 12-a fastening screw, 13-a mounting rod and 14-a sliding groove;

2-first half clamp, 21-second half clamp, 22-clamping groove, 221-first clamping half groove, 222-second clamping half groove, 223-third clamping half groove, 224-fourth clamping half groove, 225-fifth clamping half groove, 226-sixth clamping half groove, 227-seventh clamping half groove, 228-eighth clamping half groove, 23-first fixing groove, 231-second fixing groove, 24-fastening half groove, 25-first fixing hole, 251-second fixing hole;

3-fixed rod, 31-fixed block, 32-pushing ring and 33-plug-in block.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," "sixth," "seventh," and "eighth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a numerical control machine tool clamp, including the anchor clamps seat, locate fastening screw and four half anchor clamps on the anchor clamps seat, through setting up half groove of the centre gripping of difference on rotatable half anchor clamps and the half anchor clamps, can make up into the centre gripping groove of different shapes to can carry out the centre gripping to the object of different shapes, reduce the change to anchor clamps, it is more convenient to use

Based on the above design concept, an exemplary structure of a numerical control machine tool clamp of the present embodiment is shown in fig. 1, and includes a clamp seat 1, a fastening screw 12, two clamps and a fixing rod 3. The structure of the clamp seat 1 is as shown in fig. 2, and the clamp seat 1 is U-shaped and comprises a horizontally arranged base and a vertically arranged clamping plate 11. Four threaded holes 111 are formed in the clamping plate 11, wherein the number of the threaded holes 111 in the left clamping plate and the number of the threaded holes 111 in the right clamping plate are two, and the threaded holes 111 in each clamping plate 11 are arranged at intervals in the vertical direction. A fastening screw 12 is screwed in the threaded hole 111. One end of the fastening screw 12 is provided with a rotary handle, and the other end of the fastening screw 12 is provided with a fastening circular plate.

The base is provided with a sliding chute 14, the sliding chute 14 comprises four L-shaped half sliding chutes which are symmetrically arranged, and the top end of the part of each half sliding chute arranged along the width direction of the base is provided with an L-shaped inserting groove. In order to facilitate the installation of the clamp base 1, an installation rod 13 is arranged on the bottom surface of the base.

Then, each jig is composed of a first half jig 2 and a second half jig 21, and as shown in fig. 3 and 4, the first half jig 2 has a rectangular parallelepiped shape, and both end surfaces of the rectangular parallelepiped are in the positive direction. The first clamping half groove 221, the second clamping half groove 222, the third clamping half groove 223 and the fourth clamping half groove 224 are sequentially arranged on four side faces of the first half clamp 2, the side face of the first clamping half groove 221 is a part of a spherical surface, the side face of the second clamping half groove 222 is a part of a cylindrical arc-shaped side face, the side face of the third clamping half groove 223 is rectangular, the side face of the fourth clamping half groove 224 is semicircular, and the first clamping half groove 221, the second clamping half groove 222, the third clamping half groove 223 and the fourth clamping half groove 224 are all arranged along the left side face of the first half clamp 2. Semicircular fastening half grooves 24 are formed in the upper end and the lower end of each side face of the first half clamp 2, and the diameter of each fastening half groove 24 is overlapped with the long edge of the right side of the side face of the first half clamp 2.

As shown in fig. 5 and 6, the first half jig 2 has a rectangular parallelepiped shape, and both end surfaces of the rectangular parallelepiped shape are in the positive direction. A fifth clamping half groove 225, a sixth clamping half groove 226, a seventh clamping half groove 227 and an eighth clamping half groove 228 are sequentially formed on four side surfaces of the second half clamp 21, the side surface of the fifth clamping half groove 225 is a part of a spherical surface, the side surface of the sixth clamping half groove 226 is a part of a cylindrical arc-shaped side surface, the side surface of the seventh clamping half groove 227 is rectangular, the side surface of the eighth clamping half groove 228 is semicircular, and the fifth clamping half groove 225, the sixth clamping half groove 226, the seventh clamping half groove 227 and the eighth clamping half groove 228 are all arranged along the right side of the side surface of the second half clamp 21. Semicircular fastening half grooves 24 are formed in the upper end and the lower end of each side face of the second half clamp 21, and the diameter of each fastening half groove 24 is overlapped with the left long edge of the side face of the first half clamp 2.

After the first half fixture 2 and the second half fixture 21 are abutted, the first clamping half groove 221 and the fifth clamping half groove 225 are combined into a clamping groove 22 for clamping a sphere, the second clamping half groove 222 and the sixth clamping half groove 226 are combined into a clamping groove 22 for clamping a cylindrical arc-shaped side surface, the third clamping half groove 223 and the seventh clamping half groove 227 are combined into a clamping groove 22 for clamping a cuboid, and the fourth clamping half groove 224 and the eighth clamping half groove 228 are combined into a clamping groove 22 for clamping a cylindrical end surface. After the adjacent first half clamp 2 and the adjacent second half clamp 21 are abutted, a fastening groove for accommodating a fastening circular plate is formed on the back surface of the adjacent first half clamp 2 and the adjacent second half clamp 21, so that the clamp composed of the first half clamp 2 and the second half clamp 21 can move under the pushing of the fastening screw 12, and therefore the two clamps are close to each other and clamp an object to be clamped.

In order to fix the first half clamp 2 and the second half clamp 21 on the clamp seat 1, a first fixing hole 25 penetrating through the whole first half clamp 2 is formed in the first half clamp 2 along the vertical direction, a fixing rod 3 is arranged in the first fixing hole 25, a cross-shaped first fixing groove 23 is formed in the upper end of the first fixing hole 25, the first half clamp 2 cannot rotate relative to the fixing rod 3 due to the fact that the fixing block 31 is clamped in the first fixing groove 23, and meanwhile the first half clamp 2 cannot displace relative to the fixing rod 3 along the vertical direction. A second fixing hole 251 penetrating through the entire second half clamp 21 is formed in the second half clamp 21 in the vertical direction, the fixing rod 3 is disposed in the second fixing hole 251, and a cross-shaped second fixing groove 231 is formed in the upper end of the second fixing hole 251, so that the second half clamp 21 cannot rotate relative to the fixing rod 3 due to the fixing block 31 being clamped in the second fixing groove 231, and the second half clamp 21 cannot displace relative to the fixing rod 3 in the vertical direction.

The fixing rod 3 is slidably disposed in the sliding groove 14, and the structure thereof is as shown in fig. 7. Dead lever 3 is columniform round bar, and the lower extreme of dead lever 3 is equipped with the L shape cartridge piece 33 with cartridge groove looks adaptation, for the convenience of dead lever 3 slip in spout 14, is equipped with the holding tank that supplies cartridge piece 33 to hold in the below of spout 14. So that the fixing lever 3 can be inserted through the insertion slot and then slid in the direction of the slide slot 14. Due to the clamping action of the insertion block 33, the fixing rod 3 cannot rotate relative to the clamp seat 1 and cannot move in the vertical direction relative to the clamp seat. The upper end of the fixed rod 3 is provided with a fixed block 31, and in order to facilitate the insertion and extraction of the fixed rod 3, the upper end of the fixed block 31 is welded with a push-pull ring 32 for holding.

The utility model discloses a digit control machine tool anchor clamps are when using, will be fixed with 1 installation of anchor clamps seat earlier, then insert the dead lever 3 of half anchor clamps 2 of first and half anchor clamps 21 of second through the cartridge groove, then promote half anchor clamps 2 of first or half anchor clamps 21 of second and slide in the spout, make up into anchor clamps until half anchor clamps 2 of first and half anchor clamps 21 butt of second. At this time, the fastening circular plate of the fastening screw 12 abuts against the fastening groove of the clamp, and then the sliding groove 14 arranged along the length direction of the clamp base 1 is moved by the driving of the fastening screw 12 until the two clamps clamp the object to be clamped. When objects in different shapes need to be clamped, the fixing rod 3 of the first half clamp 2 and the fixing rod 3 of the second half clamp are respectively moved into the corresponding insertion grooves, then the fixing rod 3 is lifted, the fixing block 31 extends out of the fixing groove, the first half clamp 2 and the second half clamp 21 are rotated until the proper clamping grooves 22 are combined, and then the operation is repeated.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a digit control machine tool anchor clamps for the centre gripping of treating the machined part during machine tool machining, its characterized in that includes: a clamp seat (1), the clamp seat (1) comprises a clamp plate (11) which is vertically arranged and a base which is horizontally arranged, a threaded hole (111) is arranged on the clamp plate (11), a fastening screw rod (12) is arranged through the threaded hole (111), two groups of clamps which are symmetrically arranged are arranged on the base, each group of clamps is abutted against the fastening screw rod (12), the clamps can be mutually close under the push of a fastening screw rod (12), each group of the clamps comprises two symmetrically arranged half clamps, the semi-clamp is slidably and rotatably arranged on the base, clamping semi-grooves with different shapes are arranged on four side faces of the semi-clamp, and the clamping grooves (22) with different shapes can be formed on the clamp formed by combining the two symmetrically-arranged semi-clamps due to the rotation of the semi-clamp.

2. The numerical control machine tool clamp of claim 1, wherein: half anchor clamps include half anchor clamps of first (2) and half anchor clamps of second (21), half anchor clamps of first (2) with half anchor clamps of second (21) are the same cuboid form, just half anchor clamps of first (2) with be equipped with the half groove of centre gripping and half groove of fastening (24) of the same and bilateral symmetry of shape on the side that half anchor clamps of second (21) correspond.

3. The numerical control machine tool clamp of claim 2, wherein: the base is provided with a sliding groove (14), a fixing rod (3) is arranged in the sliding groove (14) in a sliding mode, a first fixing hole (25) is formed in the first half fixture (2), a second fixing hole (251) is formed in the second half fixture (21), and the fixing rod (3) penetrates through the first fixing hole (25) and the second fixing hole (251) respectively to fix the first half fixture (2) and the second half fixture (21) on the base respectively.

4. A numerically controlled machine tool clamp according to claim 3, wherein: the dead lever (3) are cylindric, in the top of dead lever (3) is equipped with fixed block (31), in the bottom of dead lever (3) is equipped with L shape cartridge piece (33), is equipped with first fixed slot (23) on the top of first half anchor clamps (2), is equipped with second fixed slot (231) on the top of second half anchor clamps (21), because of fixed block (31) in card in first fixed slot (23) is put in order to constitute dead lever (3) with the fixed of the relative position of first half anchor clamps (2), because of fixed block (31) in card in second fixed slot (231) is put in order to constitute dead lever (3) with the fixed of the relative position of second half anchor clamps (21).

5. The numerical control machine tool clamp of claim 4, wherein: the sliding groove (14) comprises four half sliding grooves which are L-shaped and are arranged at intervals, L-shaped inserting grooves for inserting the inserting blocks (33) are formed in the same end of each half sliding groove, and accommodating grooves for accommodating the inserting blocks (33) along with the fixing rods (3) are formed in the lower portion of the sliding groove (14).

6. The numerical control machine tool clamp of claim 5, wherein: and a push-pull ring (32) is arranged at the upper end of the fixed block (31).

7. The numerical control machine tool clamp of claim 6, wherein: and a mounting rod (13) is arranged on the bottom surface of the clamp seat.