CN221337616U

CN221337616U - Workholding fixtures for engraving machines

Info

Publication number: CN221337616U
Application number: CN202322869604.7U
Authority: CN
Inventors: 王吉山; 党秀菊
Original assignee: Huzhou Xuli Cnc Technology Co ltd
Current assignee: Huzhou Xuli Cnc Technology Co ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-07-16
Anticipated expiration: 2033-10-24

Abstract

The utility model discloses a workpiece clamping fixture for a carving machine, which comprises a fixture table top, wherein a dovetail chute penetrating through the left side and the right side is arranged in the middle of the fixture table top, two dovetail slipways are arranged on the dovetail chute, the dovetail chute is in sliding connection with the dovetail slipways, a plurality of locking threaded holes are formed in the front side surface of the fixture table top, the locking threaded holes penetrate through the front side surface of the fixture table top to the dovetail chute, a locking bolt for locking the dovetail slipways is connected in the locking threaded holes through threads, a circular boss is arranged in the center of the top of the dovetail slipways, and the left dovetail slipway and the right dovetail slipways are rotationally connected with a clamping tool through the circular boss. The clamping tools rotate by taking the rotating shaft as the center, so that the clamping heads or clamping ports of the two clamping tools are screwed after being opposite to each other to clamp the workpiece, different workpiece shapes are applicable to different clamping heads, the pertinence is stronger, the clamping is more stable, and the clamping tools are not required to be replaced and are convenient to use.

Description

Workpiece clamping fixture for engraving machine

Technical Field

The utility model relates to the field of engraving machines, in particular to a workpiece clamping fixture for an engraving machine.

Background

Along with the development of society and the development of science and technology, the manufacturing industry is rapidly developed, milling machines, lathes, drilling machines, engraving machines and the like are not needed to be separated in the finish machining process in the manufacturing industry, particularly the engraving machines are very widely applied, and the engraving of complex patterns can be completed through reasonable programming.

The clamping part of the existing workpiece clamping fixture is of a welded fixing structure, different chucks need to be replaced when square and round workpieces are clamped, the workpiece clamping fixture is inconvenient to replace and use, and the clamping precision can be reduced due to repeated disassembly. Accordingly, a workpiece clamping fixture for an engraving machine is provided by those skilled in the art to solve the problems set forth in the background art described above.

Disclosure of utility model

The present utility model is directed to a workpiece clamping fixture for an engraving machine, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A work piece centre gripping anchor clamps for engraver, including the anchor clamps mesa, anchor clamps mesa middle part is provided with the forked tail spout that runs through the left and right sides, be provided with two forked tail sliding tables on the forked tail spout, forked tail spout and forked tail sliding table sliding connection, the side is provided with a plurality of locking screw hole before the anchor clamps mesa, locking screw hole link up to the forked tail spout from anchor clamps mesa leading flank, locking screw hole has the locking bolt that is used for locking forked tail sliding table through threaded connection, forked tail sliding table top central point puts and is provided with circular boss, two forked tail sliding tables are connected with clamping tool through circular boss rotation about, clamping tool top is provided with the pivot that runs through clamping tool and circular boss, clamping tool one end is installed and is used for the chuck of centre gripping work piece, V type clamp mouth that is used for the centre gripping work piece is offered around the pivot both sides, the top of forked tail sliding table is provided with two location screw holes that correspond with the location screw hole around the both sides of circular boss, pass through behind the location screw hole with location screw hole threaded connection, the mounting panel middle part of anchor clamps mesa rear side is provided with the direction vertically electric push rod with the auxiliary push pedal, the telescopic end of electric push rod passes back fixedly connected with.

Four countersunk threaded holes which are matched with the working table of the engraving machine are uniformly distributed around the top of the clamp table.

The electric push rod is positioned between the two connecting fixing pieces and connected with the connecting fixing pieces through bolts.

Wherein, the V-shaped clamping opening is welded with a hard alloy piece for reinforcing the hardness and strength of the V-shaped clamping opening.

The clamping head 12 is arranged at one end of the clamping tool 9 in a mode of matching a bolt with a screw hole; or the collet 12 is mounted by welding at one end of the clamping tool 9.

The clamping tools rotate by taking the rotating shaft as the center, so that the clamping heads or clamping ports of the two clamping tools are screwed after being opposite to each other to clamp the workpiece, different workpiece shapes are applicable to different clamping heads, the pertinence is stronger, the clamping is more stable, and the clamping tools are not required to be replaced and are convenient to use. The two positioning bolts are used for positioning the direction of the working chuck of the clamping tool, so that the positioning device is safe and reliable, the auxiliary positioning function of the auxiliary pushing plate is achieved, the positioning precision of the clamping tool is improved, and the engraving machine is convenient to process and engrave.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a clamping tool according to the present utility model;

Fig. 3 is a schematic cross-sectional view of a clamping tool according to the present utility model.

In the figure: 1. a clamp table top; 2. dovetail grooves; 3. connecting with the countersunk threaded hole; 4. an electric push rod; 5. connecting a fixing piece; 6. an auxiliary push plate; 7. a locking bolt; 8. dovetail sliding table; 9. a clamping tool; 10. a rotating shaft; 11. positioning bolts; 12. a square chuck; 13. a circular chuck; 14. positioning the through hole; 15. and positioning the threaded hole.

Detailed Description

Referring to fig. 1-3, a workpiece clamping fixture for a carving machine comprises a fixture table top 1, wherein a dovetail chute 2 penetrating through the left side and the right side is arranged in the middle of the fixture table top 1, two dovetail sliding tables 8 are arranged on the dovetail chute 2, the dovetail chute 2 is in sliding connection with the dovetail sliding tables 8, the dovetail chute 2 is arranged to ensure the linear motion of the dovetail sliding tables 8, the precision of clamping is improved, a plurality of locking threaded holes are arranged on the front side surface of the fixture table top 1, the locking threaded holes penetrate through the front side surface of the fixture table top 1 to the dovetail chute, locking bolts 7 used for locking the dovetail sliding tables 8 are connected in the locking threaded holes through threads, after the workpiece is clamped by the dovetail sliding tables 8, the positions of the dovetail sliding tables 8 can be locked through the locking bolts 7, the movement of the dovetail sliding tables 8 is prevented, a circular boss is arranged at the center position of the top of the dovetail sliding tables 8, the left and the right dovetail sliding tables 8 are rotationally connected with a clamping tool 9 through the circular boss, the top of the clamping tool 9 is provided with a rotating shaft 10 penetrating through the clamping tool 9 and the circular boss, the clamping tool 9 is connected with the clamping tool 9 through the circular boss, the contact area between the clamping tool 9 and the dovetail sliding table 8 is reduced, the clamping tool 9 is convenient to rotate, a clamping head 12 for clamping a workpiece is arranged at one end of the clamping tool 9, a V-shaped clamping opening 13 for clamping the workpiece is arranged at the other end of the clamping tool 9, the clamping head 12 or the V-shaped clamping opening 13 is replaced through the rotating clamping tool 9 so as to adapt to workpieces to be clamped in different shapes, the pertinence is stronger, the clamping is firmer, the clamping tool does not need to be replaced frequently, the use is convenient, the clamping tool 9 is provided with two positioning through holes 14 around two sides of the rotating shaft 10, two positioning threaded holes 15 corresponding to the positioning through holes 14 are arranged around two sides of the circular boss at the top of the dovetail sliding table 8, through positioning bolt 11 run through behind the positioning through-hole 14 with positioning screw hole 15 threaded connection, carry out fixed cooperation pivot 10's positioning action to clamping tool 9 with positioning bolt 11, improve clamping tool 9's positioning accuracy, the mounting panel middle part of anchor clamps mesa 1 rear side is provided with the perpendicular electric push rod 4 of direction with dovetail chute 2, electric push rod 4's flexible end passes behind the mounting panel fixedly connected with auxiliary push plate 6, moves back and forth through electric push rod 4 takes auxiliary push plate 6, the auxiliary positioning of being convenient for wait to grasp the work piece.

Four connecting countersunk threaded holes 3 which are matched with the working table of the engraving machine are uniformly distributed around the top of the fixture table 1. The fixture table top 1 can be fixed on the working table top of the engraving machine by connecting the countersunk head threaded holes 3, and the engraving machine is convenient to detach and reliable to connect.

The rear side of the mounting plate is welded with a left connecting fixing piece 5 and a right connecting fixing piece 5, and the electric push rod 4 is positioned between the two connecting fixing pieces 5 and connected with the connecting fixing pieces 5 through bolts. The electric push rod 4 is convenient to detach and maintain in a bolt connection mode.

Wherein, the clamping head 12 is arranged at one end of the clamping tool 9 in a mode of matching the bolt with the screw hole; or the collet 12 is mounted by welding at one end of the clamping tool 9.

Wherein, the welding of V type clamping mouth department has the alloy piece of stereoplasm for strengthen hardness and the intensity of V type clamping mouth, improve life.

The working principle of the utility model is as follows: the clamp table top 1 can be fixed on the working table top of the engraving machine through connecting the countersunk head threaded holes 3, the corresponding clamp chucks are selected according to the type of the workpiece to be clamped, after the positioning bolts 11 are taken down, the clamping tools 9 are rotated, the chucks or V-shaped clamping ports which are required to be used are oppositely arranged, after the positioning bolts 11 penetrate through the positioning through holes 14 on the clamping tools 9, the positioning bolts 11 are in threaded connection with the positioning threaded holes 15 on the dovetail sliding table 8, the positioning bolts 11 are tightly attached to the tops of the clamping tools 9, after that, the dovetail sliding table 8 is pushed to enable the two clamping tools 9 to be close to, the locking bolts 7 of one dovetail sliding table 8 are locked, at least two locking bolts 7 penetrating through the side surfaces of the dovetail sliding table 2 are in contact with the dovetail sliding table 8 to be locked when the dovetail sliding table 8 is locked, the electric push rod 4 is started, the auxiliary push plate 6 is pushed to be close to the workpiece to be clamped, after the electric push rod 4 is adjusted to a proper position, finally, the unlocked dovetail sliding table 8 is pushed to be close to the locked, the dovetail sliding table 8 is enabled to be in threaded connection, the workpiece to be clamped is simultaneously fixed by the two clamping tools 9 and the auxiliary push plate 6, after the workpiece is firmly clamped, and the engraving machine is firmly clamped, and the workpiece is required to be clamped by the engraving machine, and the engraving machine is moved when the clamping bolts are required to be firmly.

Claims

1. A workpiece clamping fixture for an engraving machine, comprising a fixture table (1), characterized in that: a dovetail slide groove (2) penetrating the left and right sides is arranged in the middle of the fixture table (1), two dovetail slides (8) are arranged on the dovetail slide groove (2), the dovetail slide groove (2) is slidably connected to the dovetail slide (8), a plurality of locking threaded holes are arranged on the front side of the fixture table (1), the locking threaded holes pass through the front side of the fixture table (1) to the dovetail slide groove, a locking bolt (7) for locking the dovetail slide (8) is threadedly connected in the locking threaded holes, a circular boss is arranged at the center position of the top of the dovetail slide (8), the left and right dovetail slides (8) are rotatably connected to a clamping tool (9) through the circular boss, and a clamping tool (9) penetrating the clamping tool ( 9) and the rotating shaft (10) of the circular boss, one end of the clamping tool (9) is equipped with a chuck (12) for clamping the workpiece, and the other end of the clamping tool (9) is provided with a V-shaped clamp (13) for clamping the workpiece, the clamping tool (9) is provided with two positioning through holes (14) on both sides around the rotating shaft (10), and the top of the dovetail slide (8) is provided with two positioning threaded holes (15) corresponding to the positioning through holes (14) on both sides around the circular boss, and the positioning through holes (14) are penetrated by positioning bolts (11) and then threadedly connected with the positioning threaded holes (15), and an electric push rod (4) perpendicular to the direction of the dovetail slide groove (2) is provided in the middle of the mounting plate on the rear side of the fixture table (1), and the telescopic end of the electric push rod (4) passes through the mounting plate and is fixedly connected with an auxiliary push plate (6).

2. The workpiece clamping fixture for an engraving machine according to claim 1 is characterized in that: four countersunk threaded holes (3) for connection and mounting in cooperation with the working table of the engraving machine are evenly distributed around the top of the fixture table (1).

3. The workpiece clamping fixture for an engraving machine according to claim 1 is characterized in that two left and right connecting fixings (5) are welded on the rear side of the mounting plate, and the electric push rod (4) is located between the two connecting fixings (5) and connected to the connecting fixings (5) by bolts.

4. The workpiece clamping fixture for an engraving machine according to claim 1 is characterized in that: the chuck (12) is installed on one end of the clamping tool (9) by means of a bolt and a screw hole; or the chuck (12) is installed on one end of the clamping tool (9) by welding.