CN212600299U

CN212600299U - Clamp for numerical control machine tool

Info

Publication number: CN212600299U
Application number: CN202021258560.4U
Authority: CN
Inventors: 叶建根; 张超
Original assignee: Suzhou Qunzhi Machinery Equipment Co ltd
Current assignee: Suzhou Qunzhi Machinery Equipment Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-02-26
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses an anchor clamps for digit control machine tool relates to digit control machine tool anchor clamps technical field, for solving current anchor clamps for digit control machine tool when clamping cutter adjustment knife tip height, generally all adjust through the cutter gasket to need a large amount of not unidimensional cutter gaskets, make add the cutter gasket that often needs to look for the size of meeting man-hour, thereby reduce work efficiency's problem. The fixed connecting seat that is provided with in top of fixing base, the fixed control seat that is provided with in top of connecting seat, the dovetail has all been seted up to preceding terminal surface, rear end face and the both sides terminal surface of connecting seat, the inside grafting of dovetail has the grafting seat, the outer wall of grafting seat and the inner wall laminating and the sliding connection of dovetail, the front end of connecting seat, rear end and both sides all are provided with the location platform, location platform and grafting seat fixed connection, the fixed trapezoidal seat that is provided with in below of location platform, the below of trapezoidal seat is provided with control mechanism.

Description

Clamp for numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool anchor clamps technical field specifically is an anchor clamps for digit control machine tool.

Background

The numerical control machine tool fixture is a device for clamping a workpiece and guiding a cutter on a machine tool, the workpiece needs to be turned by the cutter in the numerical control machine tool machining, when the cutter is clamped, the height of a cutter point of the cutter is different due to different types of the cutter and different sizes of the grinded cutter, and when the cutter is machined, the position of the cutter point of the cutter needs to be in the same horizontal line with the central position of the workpiece, so that the height of the cutter point of the cutter needs to be adjusted when a cutter handle of the cutter is loaded on a cutter table.

When the height of a tool nose of an existing clamp for a numerical control machine tool is adjusted by clamping a tool, the tool nose is generally adjusted through a tool gasket, so that a large number of tool gaskets with different sizes are needed, the tool gasket which meets the size is frequently needed to be searched during machining, and the working efficiency is reduced; therefore, the existing requirements are not met, and a clamp for a numerical control machine tool is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anchor clamps for digit control machine tool to the current anchor clamps for digit control machine tool that propose in solving above-mentioned background art generally all adjusts through the cutter gasket when clamping cutter adjustment knife tip height, thereby needs a large amount of not unidimensional cutter gaskets, makes the cutter gasket that often needs to look for the size of fitting with man-hour, thereby reduces work efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a clamp for a numerical control machine tool comprises a fixed seat, wherein a connecting seat is fixedly arranged above the fixed seat, a control seat is fixedly arranged above the connecting seat, dovetail grooves are formed in the front end face, the rear end face and the two side end faces of the connecting seat, an inserting seat is inserted in the dovetail grooves, the outer wall of the inserting seat is attached to the inner wall of the dovetail grooves and is in sliding connection with the inner wall of the dovetail grooves, positioning tables are arranged at the front end, the rear end and the two sides of the connecting seat and are fixedly connected with the inserting seat, a trapezoidal seat is fixedly arranged below the positioning tables, a control mechanism is arranged below the trapezoidal seat, fixing threaded holes are formed in the control seat, sixteen fixing threaded holes are uniformly distributed in the control seat, fixing screw rods are connected to the inner threads of the fixing threaded holes in a threaded manner, and one end of each fixing screw rod extends to the lower side of the control seat, and clamping mechanisms are arranged at the front end, the rear end and the two sides of the fixing seat.

Preferably, control mechanism comprises fixed block, two-way screw rod, removal seat and control screw hole, the fixed block is provided with two, two the equal fixed connection of fixed block is at the up end of fixing base, and the fixed block is located the front end of connecting seat, two-way screw rod is located between the fixed block, and the both ends of two-way screw rod pass through the bearing rotation with the fixed block respectively and be connected, one end of two-way screw rod extends to one side of fixed block, it is provided with two, two to remove the seat and be located the both sides of two-way screw rod respectively, the control screw hole is provided with two, two the inside at the removal seat is all seted up to.

Preferably, the two-way screw rod is inserted in the control threaded hole, the movable seat is in threaded connection with the two-way screw rod through the control threaded hole, the movable seat is symmetrical in opposite directions, the upper end face of the movable seat is a bevel edge, the upper end face of the movable seat is in fit and sliding connection with the lower end faces of two sides of the trapezoidal seat, and the lower end face of the movable seat is in fit and sliding connection with the upper end face of the fixed seat.

Preferably, the fixed positioning screw that is provided with of one end that two-way screw is located fixed block one side, positioning screw's outside threaded connection has fixed cover, a side end face of fixed cover and a side end face laminating of fixed block, hexagonal spanner groove has been seted up to the inside one side of positioning screw, fixedly on the outer wall of two-way screw being provided with the locating piece, and the locating piece is provided with four.

Preferably, the fixing seat is fixedly provided with a mounting seat below the front end face and the rear end face of the fixing seat, and a mounting through hole is formed in the mounting seat.

Preferably, clamping mechanism has connecting block, locating plate, clamping screw, spliced pole, positioning seat and constant head tank to constitute, the connecting block is provided with two, two the preceding terminal surface of connecting block difference fixed connection at the removal seat, the locating plate is provided with two, two the front end of locating plate difference fixed connection at the connecting block, clamping screw is provided with two, two clamping screw is the below of fixed connection terminal surface before the locating plate respectively, the spliced pole is provided with two, two the both sides of terminal surface before the fixing base are fixed connection respectively to the spliced pole, positioning seat fixed connection is at the front end of spliced pole, the inside at the positioning seat is seted up to the constant head tank.

Preferably, the front end face of the positioning plate is attached to and slidably connected with the rear end face of the positioning seat, the positioning plate is located between the connecting columns, one end of the clamping screw is located inside the positioning groove, one end of the clamping screw extends to the front end of the positioning seat, a fixing nut is connected to the outer wall of one end of the clamping screw in a threaded mode, and the fixing nut is located on the front end face of the positioning seat.

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

1. the utility model is provided with a control mechanism, a dovetail groove, an inserting seat, a positioning platform and a trapezoidal seat, so that when the cutter is clamped, the cutter handle of the cutter is directly placed on the positioning table, then the two-way screw rod drives the two movable seats to move oppositely by rotating the two-way screw rod, then the movable seats move, the upper end surfaces of the movable seats move the trapezoidal seats upwards, thereby the positioning table moves upwards, the positioning table drives the cutter to move upwards, the height of the cutter point of the cutter is adjusted, the height of the cutter point of the cutter and the center of the workpiece are positioned on the same horizontal line, therefore, when the height of the tool tip of the tool is adjusted, the operation can be finished only by rotating the bidirectional screw without preparing a large number of tool gaskets for standby, and need not to look for the cutter gasket that accords with the size when the clamping cutter and carry out the clamping for look for the cutter gasket when the clamping cutter and waste time.

2. By arranging the clamping mechanism, the fixing sleeve, the positioning screw and the hexagonal wrench groove, after the height of the tool nose of the tool is adjusted, the fixing sleeve is rotated to enable one side end face of the fixing sleeve to be attached to one side end face of the fixing block, so that the bidirectional screw is fixed through the fixing sleeve and cannot rotate, thereby avoiding the moving seat from moving, then the moving seat is fixed with the fixing seat through the clamping mechanism and cannot move, thereby enabling the fixing of the moving seat to be more firm through the double fixing of the clamping mechanism and the fixing sleeve, avoiding the moving seat from moving when a machine tool runs, thereby causing the processing and scrapping of workpieces due to the change of the height of the tool, and by arranging the hexagonal wrench groove, when the bidirectional screw is rotated, only the hexagonal wrench needs to be inserted into the hexagonal wrench groove to rotate, thereby avoiding the need of additionally arranging a rotating handle, avoid the handle that rotates to occupy too big space.

Drawings

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

FIG. 2 is a schematic view of the enlarged structure of the part A of the present invention;

FIG. 3 is a schematic view of a top-down structure of the connecting seat of the present invention;

FIG. 4 is a schematic view of the positioning screw according to the present invention;

FIG. 5 is a schematic structural view of the control mechanism of the present invention;

FIG. 6 is a schematic view of the right side of the movable seat of the present invention;

fig. 7 is a schematic top view of the control seat of the present invention;

in the figure: 1. a fixed seat; 2. a connecting seat; 3. a control seat; 4. a dovetail groove; 5. positioning a screw rod; 6. a socket; 7. a positioning table; 8. a trapezoidal base; 9. a control mechanism; 10. fixing the threaded hole; 11. fixing the screw rod; 12. a clamping mechanism; 13. fixing a sleeve; 14. a hexagonal wrench groove; 15. positioning blocks; 16. a mounting seat; 17. mounting a through hole; 901. a fixed block; 902. a bidirectional screw; 903. a movable seat; 904. controlling the threaded hole; 1201. connecting blocks; 1202. positioning a plate; 1203. connecting columns; 1204. positioning seats; 1205. clamping the screw rod; 1206. positioning a groove; 1207. and (5) fixing the screw cap.

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.

Referring to fig. 1-7, the present invention provides an embodiment: a clamp for a numerical control machine tool comprises a fixed seat 1, a connecting seat 2 is fixedly arranged above the fixed seat 1, a control seat 3 is fixedly arranged above the connecting seat 2, dovetail grooves 4 are respectively arranged on the front end surface, the rear end surface and the two side end surfaces of the connecting seat 2, an inserting seat 6 is inserted in the dovetail grooves 4, the outer wall of the inserting seat 6 is attached to the inner wall of the dovetail groove 4 and is in sliding connection with the inner wall of the dovetail groove 4, a positioning table 7 is in sliding connection with the connecting seat 2 through the inserting seat 6 and the dovetail grooves 4, therefore, the sliding fit between the positioning table 7 and the connecting seat 2 can be more stable through the inserting seat 6 and the dovetail grooves 4, the positioning table 7 can be positioned through the inserting seat 6 and the dovetail grooves 4, the separation of the positioning table 7 and the connecting seat 2 is avoided, positioning tables 7 are respectively arranged at the front end, the rear end and the two sides of the connecting seat 2, the below of trapezoidal seat 8 is provided with control mechanism 9, and fixed screw hole 10 has been seted up to the inside of control seat 3, and fixed screw hole 10 is provided with sixteen, and sixteen fixed screw hole 10 evenly distributed are inside control seat 3, and the inside threaded connection of fixed screw hole 10 has clamping screw 11, and clamping screw 11's one end extends to the below of control seat 3, and front end, rear end and both sides of fixing base 1 all are provided with clamping mechanism 12.

Further, control mechanism 9 is by fixed block 901, two-way screw 902, remove seat 903 and control screw hole 904 and constitute, fixed block 901 is provided with two, two equal fixed connection of fixed block 901 are at the up end of fixing base 1, and fixed block 901 is located the front end of connecting seat 2, two-way screw 902 is located between the fixed block 901, through setting up two-way screw 902, thereby make two removal seats 903 can move in opposite directions simultaneously, and two ends of two-way screw 902 pass through the bearing rotation with fixed block 901 respectively and be connected, one end of two-way screw 902 extends to one side of fixed block 901, it is provided with two to remove seat 903, two removal seats 903 are located two sides of two-way screw 902 respectively, control screw hole 904 is provided with two, two control screw holes 904 all set up in the inside that removes seat.

Further, two-way screw rod 902 is pegged graft in the inside of control screw hole 904, remove seat 903 and two-way screw rod 902 through control screw hole 904 threaded connection, two remove seat 903 symmetry in opposite directions, the up end that removes seat 903 is the hypotenuse, and the up end that removes seat 903 and the lower terminal surface laminating and sliding connection of trapezoidal seat 8 both sides, the lower terminal surface laminating and sliding connection of the up end that removes seat 903 and fixing base 1, the hypotenuse angle of the up end that two removed seat 903 is the same with the hypotenuse angle of the lower terminal surface of trapezoidal seat 8 both sides respectively.

Further, the fixed positioning screw 5 that is provided with of one end that two-way screw 902 is located fixed block 901 one side, positioning screw 5's outside threaded connection has fixed cover 13, a side end face of fixed cover 13 and a side end face laminating of fixed block 901, hexagonal spanner groove 14 has been seted up to the inside one side of positioning screw 5, the fixed locating piece 15 that is provided with on two-way screw 902's the outer wall, and locating piece 15 is provided with four, two locating pieces 15 are located two-way screw 902's both ends, two locating pieces 15 are located two-way screw 902's centre, locating piece 15 can play spacing effect to removing seat 903, thereby break away from two-way screw 902 when avoiding removing seat 903 and removing.

Further, all fixedly below terminal surface and the rear end face before fixing base 1 is provided with mount pad 16, and mounting through-hole 17 has been seted up to the inside of mount pad 16, through mount pad 16 and mounting through-hole 17 with device fixed mounting on numerical control lathe's cutter platform.

Further, the clamping mechanism 12 comprises two connecting blocks 1201, two positioning plates 1202, two clamping screws 1205, two connecting columns 1203, two positioning seats 1204 and two positioning grooves 1206, the two connecting blocks 1201 are respectively and fixedly connected to the front end face of the movable base 903, the two positioning plates 1202 are respectively and fixedly connected to the front ends of the connecting blocks 1201, the two clamping screws 1205 are respectively and fixedly connected to the lower portions of the front end faces of the two clamping screws 1202, the two connecting columns 1203 are respectively and fixedly connected to the two sides of the front end face of the fixed base 1, the positioning seats 1204 are fixedly connected to the front ends of the connecting columns 1203, the positioning grooves 1206 are arranged inside the positioning seats 1204, the clamping mechanism 12 and the fixed sleeve 13 are dually fixed on the movable base 903 by arranging the clamping mechanism 12, and the movable base 903 is more firmly fixed, the phenomenon that when the machine tool runs, the movable seat 903 moves, so that the height of the cutter is changed to cause workpiece processing and scrapping is avoided.

Further, the preceding terminal surface of locating plate 1202 and the rear end face laminating and sliding connection of positioning seat 1204, locating plate 1202 is located between spliced pole 1203, the one end of clamping screw 1205 is located the inside of constant head tank 1206, and clamping screw 1205's one end extends to the front end of positioning seat 1204, threaded connection has fixing nut 1207 on the outer wall of clamping screw 1205 one end, fixing nut 1207 is located the preceding terminal surface of positioning seat 1204, through fixing nut 1207 and clamping screw 1205 locking, thereby make locating plate 1202 and fixing nut 1207 press from both sides the positioning seat 1204 tightly, make and remove seat 903 and fixed seat 1 fixed.

The working principle is as follows: when in use, firstly, the tool holder of the tool is placed on the upper end surface of the positioning table 7, then the hexagon wrench is inserted into the hexagon wrench groove 14 to rotate the bidirectional screw 902, because the movable seat 903 is in threaded connection with the bidirectional screw 902 through the control threaded hole 904, and the lower end surface of the movable seat 903 is in fit and sliding connection with the upper end surface of the fixed seat 1, the two movable seats 903 are driven by the bidirectional screw 902 to move towards each other through the principle of thread transmission, because the upper end surfaces of the movable seats 903 are in fit and sliding connection with the lower end surfaces on two sides of the trapezoid seat 8, and the trapezoid seat 8 is in sliding connection with the connecting seat 2 through the inserting seat 6 and the dovetail groove 4, when the movable seat 903 moves, the trapezoid seat 8 is pushed upwards, the trapezoid seat 8 moves upwards, the positioning table 7 and the tool move upwards, so as to adjust the height of the tool, when the position of the tool tip and the center of the workpiece are positioned on the same horizontal line, the fixing sleeve 13 is rotated, the fixing sleeve 13 is in threaded connection with the positioning screw 5, so that the fixing sleeve 13 moves like one side of the fixing block 901 when rotating, then one side end face of the fixing sleeve 13 is attached to one side of the fixing block 901, so that the bidirectional screw 902 is fixed through the fixing sleeve 13, then the fixing screw 11 is rotated, so that the lower end face of the fixing screw 11 is attached to the upper end face of the cutter handle, so that the cutter is fixed through the four fixing screws 11, when the moving seat 903 moves, the positioning plate 1202 on the front end face of the moving seat 903 also moves, the positioning plate 1202 drives the clamping screw 1205 to move inside the positioning groove 1206, so that the fixing nut 1207 can be locked with the clamping screw 1205, so that the rear end face of the fixing nut 1207 is attached to the front end face of the positioning seat 1204, the clamping screw 1205 is fixed to the positioning seat 1204 through the fixing nut 1207, so that the positioning plate 1202 and the, so that the movable seat 903 cannot move, and then other tools are clamped at the rear end and two sides of the connecting seat 2 by the same operation method, thereby completing the clamping of the tools.

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 anchor clamps for digit control machine tool, includes fixing base (1), its characterized in that: the fixing device is characterized in that a connecting seat (2) is fixedly arranged above the fixing seat (1), a control seat (3) is fixedly arranged above the connecting seat (2), dovetail grooves (4) are formed in the front end face, the rear end face and the two side end faces of the connecting seat (2), an inserting seat (6) is inserted in the dovetail grooves (4), the outer wall of the inserting seat (6) is attached to the inner wall of the dovetail grooves (4) and is in sliding connection with the inner wall of the dovetail grooves, positioning tables (7) are arranged at the front end, the rear end and the two sides of the connecting seat (2), the positioning tables (7) are fixedly connected with the inserting seat (6), a trapezoidal seat (8) is fixedly arranged below the positioning tables (7), a control mechanism (9) is arranged below the trapezoidal seat (8), fixing threaded holes (10) are formed in the control seat (3), and sixteen fixing threaded holes (10) are formed in the control, sixteen fixing thread hole (10) evenly distributed is inside control seat (3), the inside threaded connection of fixing thread hole (10) has clamping screw (11), the one end of clamping screw (11) extends to the below of control seat (3), front end, rear end and both sides of fixing base (1) all are provided with clamping mechanism (12).

2. The jig for numerical control machine tools according to claim 1, characterized in that: the control mechanism (9) consists of a fixed block (901), a bidirectional screw (902), a movable seat (903) and a control threaded hole (904), two fixing blocks (901) are arranged, the two fixing blocks (901) are fixedly connected to the upper end face of the fixing seat (1), the fixing block (901) is positioned at the front end of the connecting seat (2), the bidirectional screw (902) is positioned between the fixing blocks (901), and two ends of the bidirectional screw rod (902) are respectively connected with the fixed block (901) in a rotating way through bearings, one end of the bidirectional screw rod (902) extends to one side of the fixed block (901), two moving seats (903) are arranged, the two moving seats (903) are respectively positioned at two sides of the bidirectional screw rod (902), the two control threaded holes (904) are formed, and the two control threaded holes (904) are formed in the movable base (903).

3. The jig for numerical control machine tools according to claim 2, characterized in that: two-way screw rod (902) are pegged graft in the inside of control screw hole (904), remove seat (903) and two-way screw rod (902) through control screw hole (904) threaded connection, two remove seat (903) symmetry in opposite directions, the up end that removes seat (903) is the hypotenuse, and the up end that removes seat (903) and trapezoidal seat (8) both sides laminating and sliding connection, the up end laminating and sliding connection of the lower terminal surface that removes seat (903) and fixing base (1).

4. The jig for numerical control machine tools according to claim 2, characterized in that: the positioning device is characterized in that a positioning screw (5) is fixedly arranged at one end, located on one side of the fixing block (901), of the bidirectional screw (902), a fixing sleeve (13) is connected to the outer portion of the positioning screw (5) in a threaded mode, one side end face of the fixing sleeve (13) is attached to one side end face of the fixing block (901), a hexagonal wrench groove (14) is formed in one side of the inner portion of the positioning screw (5), positioning blocks (15) are fixedly arranged on the outer wall of the bidirectional screw (902), and four positioning blocks (15) are arranged.

5. The jig for numerical control machine tools according to claim 1, characterized in that: the fixing base is characterized in that mounting bases (16) are fixedly arranged below the front end face and the rear end face of the fixing base (1), and mounting through holes (17) are formed in the mounting bases (16).

6. The jig for numerical control machine tools according to claim 1, characterized in that: the clamping mechanism (12) is composed of a connecting block (1201), a positioning plate (1202), a clamping screw rod (1205), a connecting column (1203), a positioning seat (1204) and a positioning groove (1206), two connecting blocks (1201) are arranged, the two connecting blocks (1201) are respectively and fixedly connected with the front end surface of the movable seat (903), two positioning plates (1202) are arranged, the two positioning plates (1202) are respectively and fixedly connected with the front end of the connecting block (1201), two clamping screws (1205) are arranged, the two clamping screws (1205) are respectively and fixedly connected below the front end surface of the positioning plate (1202), two connecting columns (1203) are arranged, the two connecting columns (1203) are respectively and fixedly connected with the two sides of the front end surface of the fixed seat (1), the positioning seat (1204) is fixedly connected to the front end of the connecting column (1203), and the positioning groove (1206) is formed in the positioning seat (1204).

7. The jig for numerical control machine tools according to claim 6, characterized in that: the utility model discloses a positioning seat, including locating plate (1202), clamping screw (1205), threaded connection has fixing nut (1207), fixing nut (1207) are located the preceding terminal surface of locating seat (1204), the preceding terminal surface laminating and sliding connection of locating plate (1202) and the rear end face of locating seat (1204), locating plate (1202) are located between spliced pole (1203), the one end of clamping screw (1205) is located the inside of constant head tank (1206), and the one end of clamping screw (1205) extends to the front end of locating seat (1204), threaded connection has fixing nut (1207) on the outer wall of clamping screw (.