CN218946557U

CN218946557U - Clamp for spark machine

Info

Publication number: CN218946557U
Application number: CN202222777696.1U
Authority: CN
Inventors: 王震
Original assignee: Dongguan Pengjian Precision Plastic Co ltd
Current assignee: Dongguan Pengjian Precision Plastic Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-05-02
Anticipated expiration: 2032-10-18

Abstract

The utility model provides a clamp for a spark machine, which relates to the technical field of clamps and comprises a fixed base, wherein a support frame is arranged at the top of the fixed base, a threaded sleeve is movably connected to the top of the support frame, a threaded rod is connected to the inside of the threaded sleeve in a meshed manner, a through hole is formed in the top of the support frame, the threaded rod can slide in the through hole, a connecting block is arranged at the bottom of the threaded rod, a connecting groove is formed in the bottom of the connecting block, a rotating shaft is connected to the connecting groove, a spring washer is connected between two ends of the rotating shaft and the connecting groove, a gear is arranged in the connecting groove, the gear is sleeved on the outer side of the rotating shaft, a pair of sliding grooves are formed in the inner side of the support frame, sliding strips are connected to the inner sides of the sliding grooves in a sliding manner, clamping strips are arranged on one sides of the sliding strips, and the gears are connected with the clamping strips in a meshed manner. The utility model can clamp workpieces with uneven surfaces by using the gears, the spring washers, the clamping strips and the abutting blocks so as to improve the applicability of the clamp for the spark machine.

Description

Clamp for spark machine

Technical Field

The utility model belongs to the technical field of clamps, and particularly relates to a clamp for a spark machine.

Background

The spark machine is a mechanical processing device and is mainly used for electric spark processing. The method is widely applied to the manufacture of various metal molds and mechanical equipment. The spark machine is a special processing method for removing conductive materials by utilizing the electric erosion effect generated during pulse discharge between two electrodes immersed in a working fluid, which is also called electric discharge processing or electric erosion processing, and a clamp is needed to clamp a workpiece in the using process of the spark machine.

Based on the above, the present inventors found that the following problems exist: most of the existing spark machine clamps can only clamp workpieces with smooth surfaces, but the top of part of the workpieces is high at one side and low at the other side, so that the existing spark machine clamps have poor effect in clamping the workpieces.

Accordingly, in view of the above, an object of the present utility model is to provide a clamp for a spark machine, which is improved in view of the conventional structure and the conventional drawbacks, and which is more practical.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a clamp for a spark machine, which aims to solve the problem that the existing clamp for the spark machine has poor effect of clamping a workpiece with uneven surface.

The purpose and the efficacy of the clamp for the spark machine are achieved by the following specific technical means:

the utility model provides a fixture for spark machine, includes unable adjustment base, the support frame is installed at unable adjustment base's top, the top swing joint of support frame has the thread bush, just the inside interlock of thread bush is connected with the threaded rod, the through-hole has been seted up at the top of support frame, just the threaded rod can slide in the through-hole, the connecting block is installed to the bottom of threaded rod, just the spread groove has been seted up to the bottom of connecting block, and the connecting groove in-connection has the pivot, just be connected with spring washer between the both ends of pivot and the spread groove, the inside of spread groove is equipped with the gear, the gear suit is in the outside of pivot, a pair of spout has been seted up to the inboard of support frame, a pair of equal sliding connection of inside of spout has the draw runner, the draw runner is all installed in one side that is close to each other, just the gear is connected with the draw runner interlock, the bottom side of draw runner is all installed and is supported the piece.

Furthermore, a pair of mounting grooves are formed in one side of the sliding strip, the inside of each mounting groove is connected with a directional wheel through a connecting shaft, and the directional wheels can roll on one side of the sliding groove.

Further, the stopper is installed at the top of threaded rod, a pair of gag lever post is installed at the top of support frame, just the stopper can slide in the outside of gag lever post.

Furthermore, limit grooves are formed in two sides of the sliding groove, limit strips are arranged on two sides of the sliding strip, and the limit strips can slide in the limit grooves.

Further, the bottom of supporting the piece has offered the installation cavity, the below of supporting the piece is equipped with and is connected with a plurality of springs between buffer board and the installation cavity.

Further, the support frame is in a convex shape, and the connecting block is in a U shape.

Compared with the prior art, the utility model has the following beneficial effects:

the limiting block at the top of the threaded rod is limited by the limiting rod, so that the threaded rod cannot rotate, the threaded rod can move up and down when the threaded sleeve rotates, meanwhile, due to the use of the spring washer, the friction force between the rotating shaft and the connecting groove can be improved, the rotating shaft cannot rotate easily, the clamping strip and the gear can move up and down together, when one of the supporting blocks presses one side of the protrusion at the top of the workpiece when the workpiece with an uneven surface is clamped, the gear rotates under the action of the clamping strip due to the fact that the sliding strip at one side cannot move, and after the gear rotates, the clamping strip at the other side moves downwards along with the sliding strip at the other side, so that the supporting block is driven to move downwards, the function of clamping the workpiece with the uneven surface is extruded, and the applicability of the clamp for the spark machine is improved.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

Fig. 3 is a perspective view of the slide bar of the present utility model.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 3 according to the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a fixed base; 2. a support frame; 3. a thread sleeve; 4. a threaded rod; 5. a connecting block; 6. a gear; 7. a rotating shaft; 8. clamping strips; 9. a slide bar; 10. abutting blocks; 11. a limit groove; 12. a chute; 13. a limit bar; 14. a directional wheel; 15. a buffer plate; 16. a spring; 17. a limiting block; 18. and a limit rod.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1 to 4:

the utility model provides a fixture for a spark machine, which comprises a fixed base 1, wherein a support frame 2 is arranged at the top of the fixed base 1, a thread bush 3 is movably connected at the top of the support frame 2, a threaded rod 4 is connected in a meshed manner in the thread bush 3, a through hole is formed at the top of the support frame 2, the threaded rod 4 can slide in the through hole, a connecting block 5 is arranged at the bottom of the threaded rod 4, a connecting groove is formed at the bottom of the connecting block 5, a rotating shaft 7 is connected in the connecting groove, a spring washer is connected between two ends of the rotating shaft 7 and the connecting groove, a gear 6 is arranged in the connecting groove, the gear 6 is sleeved outside the rotating shaft 7, a pair of sliding grooves 12 are formed at the inner side of the support frame 2, sliding strips 9 are connected in a sliding manner in the inner parts of the pair of sliding grooves 12, clamping strips 8 are arranged at one sides close to each other, and gear 6 and card strip 8 interlock are connected, the piece 10 of supporting is all installed to the bottom side of draw runner 9, when thread bush 3 rotates, threaded rod 4 can reciprocate, simultaneously, because of the use of spring washer, can improve the frictional force between pivot 7 and the spread groove, make pivot 7 can not rotate easily, thereby make card strip 8 and gear 6 reciprocate together, when the work piece of grip surface unevenness, when one of them piece 10 extrudes the bellied one side in work piece top, follow the continuation of threaded rod 4 moves down, because of the draw runner 9 of one side can't move, lead to gear 6 to rotate under the effect of draw runner 8, after gear 6 rotates, the card strip 8 of opposite side will move down along with it, thereby drive and support the piece 10 and move down, with the one side of extrusion work piece top recess.

Wherein, a pair of mounting groove has been seted up to one side of draw runner 9, and the inside of a pair of mounting groove is all connected with directional wheel 14 through the connecting axle, and directional wheel 14 can roll in one side of spout 12, reduces the frictional force between draw runner 9 and the spout 12.

The top of the threaded rod 4 is provided with a limiting block 17, the top of the supporting frame 2 is provided with a pair of limiting rods 18, and the limiting block 17 can slide outside the limiting rods 18, so that the threaded rod 4 cannot rotate.

The two sides of the sliding groove 12 are provided with limiting grooves 11, the two sides of the sliding bar 9 are provided with limiting bars 13, and the limiting bars 13 can slide in the limiting grooves 11 to prevent the sliding bar 9 from shaking.

Wherein, the bottom of supporting piece 10 has offered the installation chamber, and the below of supporting piece 10 is equipped with between buffer board 15 and the installation chamber and is connected with a plurality of springs 16.

Wherein, the support frame 2 is a convex shape, and the connecting block 5 is a U shape.

Specific use and action of the embodiment:

when the product is used, firstly, whether the joint of the product is fastened or not is detected, after the product is ensured to be intact, the product is placed at a designated position, then a workpiece is placed on the fixed base 1, the threaded sleeve 3 is rotated to enable the threaded rod 4 to move up and down, meanwhile, due to the use of a spring washer, the friction force between the rotating shaft 7 and the connecting groove can be improved, the rotating shaft 7 cannot easily rotate, the clamping strip 8 and the gear 6 can move up and down together, when one of the supporting blocks 10 presses one side of the top protrusion of the workpiece, the gear 6 rotates under the action of the clamping strip 8 as the threaded rod 4 moves down continuously, and after the gear 6 rotates, the clamping strip 8 on the other side moves down, so that the supporting block 10 moves down to press one side of the top recess of the workpiece, and finally the fixing of the whole workpiece is completed.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a fixture for spark machine which characterized in that: including unable adjustment base (1), support frame (2) are installed at the top of unable adjustment base (1), the top swing joint of support frame (2) has thread bush (3), just the inside interlock of thread bush (3) is connected with threaded rod (4), the through-hole has been seted up at the top of support frame (2), just threaded rod (4) can slide in the through-hole, connecting block (5) are installed to the bottom of threaded rod (4), just the spread groove has been seted up to the bottom of connecting block (5), and be connected with pivot (7) in the spread groove, just be connected with spring washer between the both ends of pivot (7) and the spread groove, the inside of spread groove is equipped with gear (6), gear (6) suit is in the outside of pivot (7), a pair of spout (12) have been seted up to the inboard of support frame (2), a pair of equal sliding connection of inside of spout (12) has draw-bar (9), draw-bar (8) are all installed in one side that is close to each other, just gear (6) are connected with draw-bar (8), bottom (10) are all installed to the bottom side of draw-bar (9).

2. The clip for a spark machine according to claim 1, wherein: a pair of mounting grooves are formed in one side of the sliding strip (9), the inside of each mounting groove is connected with a directional wheel (14) through a connecting shaft, and the directional wheels (14) can roll on one side of the sliding groove (12).

3. The clip for a spark machine according to claim 1, wherein: the top of threaded rod (4) is installed stopper (17), a pair of gag lever post (18) are installed at the top of support frame (2), just stopper (17) can slide in the outside of gag lever post (18).

4. The clip for a spark machine according to claim 1, wherein: limiting grooves (11) are formed in two sides of the sliding groove (12), limiting strips (13) are arranged on two sides of the sliding strip (9), and the limiting strips (13) can slide in the limiting grooves (11).

5. The clip for a spark machine according to claim 1, wherein: the bottom of the supporting block (10) is provided with a mounting cavity, and a buffer plate (15) is arranged below the supporting block (10) and a plurality of springs (16) are connected between the buffer plate and the mounting cavity.

6. The clip for a spark machine according to claim 1, wherein: the support frame (2) is in a convex shape, and the connecting block (5) is in a U shape.