CN217647965U

CN217647965U - Numerical control milling machine workbench fixture positioning device

Info

Publication number: CN217647965U
Application number: CN202221505968.6U
Authority: CN
Inventors: 万丽雯; 陈海松
Original assignee: Shanghai Industrial & Commercial Polytechnic
Current assignee: Shanghai Industrial & Commercial Polytechnic
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-10-25
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses a numerically controlled fraise machine workstation fixture positioner relates to positioner technical field. The device includes workstation main part and sets up the centre gripping locating component who is used for diversified centre gripping at workstation main part upper surface, and the upper surface of workstation main part is equipped with the work piece, and the both sides of workstation main part are provided with the curb plate, and the upper surface of workstation main part is provided with the fixing base. This numerically controlled fraise machine workstation fixture positioner, through two sets of locating splint, positioning screw and workstation main part upper surface mounting's fixing base, make these some devices fix a position the centre gripping to four sides of a set of work piece respectively, thereby make the work piece by stablizing spacing fixing at the upper surface of workstation main part, make the work piece stability when adding man-hour better, positional deviation can not appear, thereby reduce the influence to work piece machining precision.

Description

Numerical control milling machine workbench fixture positioning device

Technical Field

The utility model relates to a positioner technical field specifically is a numerically controlled fraise machine workstation fixture positioner.

Background

The milling machine is a machine tool which mainly uses a milling cutter to process various surfaces on a workpiece, the processing operation is completed through the rotation motion of the milling cutter and the translation motion of the workpiece and a working table surface, and when the workpiece on the surface of the working table is processed by using a numerical control milling machine, a corresponding clamp is required to clamp and fix the workpiece.

When the work piece centre gripping was on the processing mesa, break away from between easy and the anchor clamps under the exogenic action, and when carrying out the centre gripping to the multiunit work piece on the processing mesa, need use the anchor clamps that are located on the processing mesa one by one in proper order to press from both sides tight fixedly to the work piece for the required time that consumes of whole operation is longer, leads to producing the influence to machining efficiency.

The main reason why above-mentioned problem appears lies in that traditional anchor clamps can not fix a position the effect of centre gripping to regular work piece four sides, make one side or both sides of work piece not have corresponding positioner, thereby when using the milling cutter contact of work piece installation on the numerical control milling machine, the condition that position offset appears between the external force effect under and the anchor clamps easily, thereby influence the machining precision of work piece, be in relatively independent state between the multiunit anchor clamps in addition, can not fix a position the regulation simultaneously through a set of controlling means to it, thereby influence whole machining efficiency, to above-mentioned condition, we provide a numerical control milling machine workstation anchor clamps positioner.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model discloses a not enough to prior art, the utility model discloses a numerically controlled fraise machine workstation anchor clamps positioner to solve the problem that the centre gripping can not be fixed a position the work piece that causes and squint easily and can not carry out the location simultaneously between the multiunit anchor clamps to four sides of work piece that propose in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a numerically controlled fraise machine workstation fixture positioner includes: the clamping device comprises a workbench main body and a clamping and positioning assembly which is arranged on the upper surface of the workbench main body and used for multi-directional clamping;

the workpiece is assembled on the upper surface of the workbench main body, side plates are arranged on two sides of the workbench main body, and a fixed seat is arranged on the upper surface of the workbench main body;

the clamping and positioning assembly comprises a positioning assembly and a positioning mechanism, one side of each of the two groups of side plates is provided with the positioning assembly for positioning and clamping one side of a workpiece, one side of each of the two groups of fixing seats is provided with the positioning mechanism for positioning and clamping multiple sides of the workpiece, and the workpiece is positioned and clamped between one group of side plates and the fixing seat;

the positioning mechanism comprises a first threaded rod, a second threaded rod and positioning clamping plates, the first threaded rod and the second threaded rod are arranged in the fixed seat, and the positioning clamping plates for clamping workpieces are arranged on the outer surfaces of the groups of the first threaded rods and the second threaded rods;

the positioning assembly comprises a hollow block, a positioning screw rod and a threaded sleeve.

Preferably, one side of the side plate, which is close to the fixed seat, is provided with a connecting groove for mounting the hollow blocks, and one end of the positioning screw rod is inserted into the plurality of groups of hollow blocks.

Preferably, one end of the positioning screw rod, which extends out of the hollow block, is provided with a supporting plate, and one side of the supporting plate movably supports against one side of the workpiece.

Preferably, a threaded sleeve for rotationally adjusting the positioning screw is arranged at the groove opening of the connecting groove, and one end of the positioning screw is inserted into the threaded sleeve.

Preferably, two sets of bar groove has been seted up to one side of fixing base, the multiunit first threaded rod and second threaded rod rotate in the inside in bar groove.

Preferably, a connecting seat for separating and connecting is arranged between the first threaded rod and the second threaded rod which are adjacent to each other, and a rotating rod for driving the second threaded rod to rotate is arranged at one end of one group of the second threaded rods.

The utility model discloses a numerically controlled fraise machine workstation fixture positioner, its beneficial effect who possesses as follows:

1. this numerically controlled fraise machine workstation fixture positioner, through two sets of locating splint, positioning screw and workstation main part upper surface mounting's fixing base, make these some devices fix a position the centre gripping to four sides of a set of work piece respectively, thereby make the work piece by stablizing spacing fixing at the upper surface of workstation main part, make the work piece stability when adding man-hour better, positional deviation can not appear, thereby reduce the influence to work piece machining precision.

2. This numerically controlled fraise machine workstation anchor clamps positioner, the internally mounted of fixing base has first threaded rod and the second threaded rod that multiunit surface thread groove is opposite, and a set of first threaded rod and second threaded rod be a whole, and then when rotating the bull stick, can drive it and rotate simultaneously to make the multiunit locating clip board that its surface imagined remove simultaneously, so that satisfy the operation of carrying out the location centre gripping simultaneously to different work pieces, it is easy and simple to handle.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the side plate and the fixing base of the present invention;

FIG. 3 is a schematic view of the structure of the threaded sleeve and the positioning screw of the present invention;

fig. 4 is a schematic structural view of the first threaded rods and the second threaded rods of the present invention.

In the figure: 1. a table main body; 2. a side plate; 3. a fixed seat; 4. a workpiece; 5. connecting grooves; 6. a hollow block; 7. positioning a screw rod; 8. a threaded sleeve; 9. a resisting plate; 10. a strip-shaped groove; 11. a positioning mechanism; 111. a first threaded rod; 112. a second threaded rod; 113. positioning the clamping plate; 12. a rotating rod; 13. a connecting seat.

Detailed Description

The embodiment of the utility model discloses numerical control milling machine workstation fixture positioner, as shown in fig. 1-4, include: workstation main part 1 and the centre gripping locating component who is used for diversified centre gripping of setting at workstation main part 1 upper surface, the upper surface of workstation main part 1 is equipped with multiunit work piece 4, and the both sides of workstation main part 1 are provided with curb plate 2, and the upper surface of workstation main part 1 is provided with fixing base 3.

According to the attached drawings 1-2, the device comprises a clamping and positioning assembly, the clamping and positioning assembly comprises a positioning assembly and a positioning mechanism 11, one side of each of two groups of side plates 2 is provided with the positioning assembly used for positioning and clamping one side of a workpiece 4, one side of each of two groups of fixing seats 3 is provided with the positioning mechanism 11 used for positioning and clamping the multiple sides of the workpiece 4, the workpiece 4 is positioned and clamped between one group of side plates 2 and the fixing seats 3, and the positioning assembly and the positioning mechanism 11 are used for clamping and fixing the multiple sides of the workpiece 4 respectively.

According to the attached drawings 2-3, the device comprises a positioning assembly, the positioning assembly comprises a hollow block 6, a positioning screw 7 and a threaded sleeve 8, one side of each side plate 2, which is close to the corresponding fixed seat 3, is provided with a connecting groove 5 for mounting the hollow block 6, one end of each positioning screw 7 is inserted into each group of hollow blocks 6, one end, extending out of the corresponding hollow block 6, of each positioning screw 7 is provided with a resisting plate 9, one side of each resisting plate 9 movably resists against one side of the corresponding workpiece 4, a threaded sleeve 8 used for rotatably adjusting the positioning screw 7 is arranged at a notch of the corresponding connecting groove 5, one end of each positioning screw 7 is inserted into the corresponding threaded sleeve 8 in a threaded manner, the corresponding threaded sleeve 8 is rotatably arranged on one side of the corresponding side plate 2 and is always kept in a connection state with the corresponding side plate 2, one end of the corresponding positioning screw 7 can be moved under the effect of threaded connection by rotating the corresponding threaded sleeve 8, and one end, of the corresponding positioning screw 7, provided with the corresponding resisting plate 9, can be positioned and fixed on one side of the corresponding workpiece 4.

According to the attached

drawing

2, 4 is shown, the device includes positioning mechanism 11, positioning mechanism 11 includes first threaded rod 111, second threaded rod 112 and locating clip board 113, bar groove 10 has been seted up to one side of two sets of fixing bases 3, multiunit first threaded rod 111 and second threaded rod 112 rotate the inside at bar groove 10, multiunit first threaded rod 111 and second threaded rod 112's surface all is provided with the locating clip board 113 that is used for centre gripping work piece 4, work piece 4 offsets with the side of fixing base 3 with the relative one side of locating screw 7, and two sets of locating clip board 113 that two sets of threaded rod surfaces set up carry out the centre gripping respectively to work piece 4 both sides that are not close to fixing base 3 side fixedly, thereby make this operation of all carrying out the location centre gripping to four sides of work piece 4.

According to the figure 4, a connecting seat 13 for separating connection is arranged between a group of adjacent first threaded rods 111 and a group of adjacent second threaded rods 112, one end of the group of second threaded rods 112 is provided with a rotating rod 12 for driving the group of second threaded rods to rotate, thread grooves formed in the outer surfaces of the first threaded rods 111 and the second threaded rods 112 are opposite, two groups of positioning clamping plates 113 arranged on the outer surfaces of the first threaded rods 111 and the second threaded rods 112 can move towards the middle or towards two sides simultaneously, and the group of first threaded rods 111 and the group of second threaded rods 112 in the device are integrated, so that a group of workpieces 4 can be positioned and clamped through a group of positioning screws 7 opposite to the first threaded rods 111 and the second threaded rods 112.

The working principle is as follows:

this numerical control milling machine workstation anchor clamps positioner is when initial condition, and two sets of locating splint 113 are located the both ends of first threaded rod 111 and second threaded rod 112 respectively, and the interval between two sets of locating splint 113 is in the maximum condition this moment, and the one end that positioning screw 7 was pegged graft in hollow block 6 inside offsets with the inside wall of the spread groove 5 that the curb plate 2 side was seted up for the interval that positioning screw 7 was located between the outside one end of curb plate 2 and the fixing base 3 this moment is in the maximum condition.

Further, when the plurality of groups of clamping and positioning components are used for fixedly clamping a plurality of groups of workpieces 4 on the workbench of the numerically controlled milling machine, firstly, the plurality of groups of workpieces 4 are respectively placed on the upper surface of the workbench main body 1, and at the moment, the plurality of groups of workpieces 4 are respectively positioned between the positioning clamping plates 113 arranged on the outer surfaces of the first threaded rod 111 and the second threaded rod 112.

Further, after work piece 4 was placed at the upper surface of workstation main part 1, the bull stick 12 of fixing base 3 one side can be rotated earlier this moment, make bull stick 12 drive the multiunit and be in the first threaded rod 111 and the second threaded rod 112 of connected state and rotate, thereby under the condition that two sets of threaded rod surface thread grooves are opposite, make two sets of locating clamping plate 113 remove to the centre simultaneously, and then make one side of two sets of locating clamping plate 113 offset with the both sides of work piece 4, so that the both sides of keeping away from fixing base 3 to work piece 4 carry out the centre gripping location.

Further, after the positioning clamping plates 113 position and clamp two sides of the workpiece 4, the threaded sleeve 8 mounted on one side of the side plate 2 can be rotated at the time, so that under the effect of threaded connection, one end of the positioning screw 7, which is provided with the supporting plate 9, moves to one side close to the workpiece 4 until one side of the supporting plate 9 abuts against one side, corresponding to the workpiece 4 and the fixing seat 3, of the workpiece 4, and the workpiece 4 is clamped between the two sets of positioning clamping plates 113, the supporting plate 9 and the fixing seat 3 in a limiting manner at the time.

Finally, a plurality of groups of workpieces 4 positioned and clamped on the upper surface of the workbench main body 1 can be processed.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a numerically controlled fraise machine workstation fixture positioner which characterized in that includes: the clamping device comprises a workbench main body (1) and a clamping and positioning assembly which is arranged on the upper surface of the workbench main body (1) and used for multi-directional clamping;

the workpiece-assembling device comprises a workbench main body (1), wherein a workpiece (4) is assembled on the upper surface of the workbench main body (1), side plates (2) are arranged on two sides of the workbench main body (1), and a fixed seat (3) is arranged on the upper surface of the workbench main body (1);

the clamping and positioning assembly comprises a positioning assembly and a positioning mechanism (11), one side of each of two groups of side plates (2) is provided with the positioning assembly for positioning and clamping one side of a workpiece (4), one side of each of two groups of fixing seats (3) is provided with the positioning mechanism (11) for positioning and clamping multiple sides of the workpiece (4), and the workpiece (4) is positioned and clamped between one group of side plates (2) and the fixing seats (3);

the positioning mechanism (11) comprises a first threaded rod (111), a second threaded rod (112) and a positioning clamp plate (113), the first threaded rod (111) and the second threaded rod (112) are arranged inside the fixed seat (3), and the outer surfaces of the first threaded rods (111) and the second threaded rods (112) are provided with the positioning clamp plate (113) used for clamping the workpiece (4);

the positioning assembly comprises a hollow block (6), a positioning screw rod (7) and a threaded sleeve (8).

2. A numerically controlled fraise machine table clamp positioning device according to claim 1, characterized in that: one side of each side plate (2) close to the corresponding fixing seat (3) is provided with a connecting groove (5) for mounting the hollow blocks (6), and one ends of the positioning screws (7) are inserted into the multiple groups of the hollow blocks (6).

3. A numerically controlled fraise machine table clamp positioning device according to claim 2, characterized in that: one end of the positioning screw rod (7) extending out of the hollow block (6) is provided with a supporting plate (9), and one side of the supporting plate (9) is movably abutted against one side of the workpiece (4).

4. A numerically controlled fraise machine table clamp positioning device according to claim 3, characterized in that: the connecting groove (5) is provided with a threaded sleeve (8) used for rotationally adjusting the positioning screw (7), and one end of the positioning screw (7) is inserted in the threaded sleeve (8).

5. The numerically controlled milling machine table clamp positioning device according to claim 1, wherein: two sets of bar groove (10) have been seted up to one side of fixing base (3), the multiunit first threaded rod (111) and second threaded rod (112) rotate in the inside of bar groove (10).

6. The numerically controlled milling machine table clamp positioning device according to claim 5, wherein: a connecting seat (13) for separating and connecting is arranged between the first threaded rod (111) and the second threaded rod (112) which are adjacent to each other, and a rotating rod (12) for driving the second threaded rod (112) to rotate is arranged at one end of the second threaded rod (112).