CN220805794U

CN220805794U - Pneumatic jig for spark machine

Info

Publication number: CN220805794U
Application number: CN202322711067.3U
Authority: CN
Inventors: 乐初芽; 邹木养
Original assignee: Xiamen Jierongda Industry And Trade Co ltd
Current assignee: Xiamen Jierongda Industry And Trade Co ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-04-19
Anticipated expiration: 2033-10-10

Abstract

The utility model discloses a pneumatic jig for a spark machine, which belongs to the technical field of jigs for spark machines and comprises a fixing frame and a special-shaped workpiece, wherein the top of the fixing frame is provided with an opening, the bottom end of the special-shaped workpiece is abutted against the inner wall of the fixing frame, the top end of the fixing frame is provided with a plurality of annular equidistant adjusting assemblies, the top of each adjusting assembly is provided with a clamping assembly, each clamping assembly comprises an L-shaped plate, the top end of each L-shaped plate is provided with a cylinder, the output end of each cylinder penetrates through the side wall of each L-shaped plate to be fixedly connected with a clamping plate, the rotation of a worm and a screw rod can be controlled, so that the clamping plates can be adjusted in angle and position according to the shape of the special-shaped workpiece, and the clamping plates can be in parallel and tight contact with the outer surfaces of the special-shaped workpiece, so that the special-shaped workpiece can be effectively fixed and stabilized to adapt to the workpiece with the irregular shape, the jig is not required to be frequently replaced, and the production cost is reduced.

Description

Pneumatic jig for spark machine

Technical Field

The utility model relates to the technical field of spark machine jigs, in particular to a pneumatic jig of 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. It is a special processing method for removing conductive material by utilizing the electric erosion effect produced by pulse discharge between two electrodes immersed in working liquid, also called electric discharge processing or electric erosion processing. The existing spark electrode is required to fix the workpiece when machining the workpiece, so that the position deviation of the workpiece during machining is avoided.

Chinese patent grant bulletin number: CN206779638U discloses a pneumatic clamping jig for drilling holes on a spark machine, which can clamp and fix a workpiece well by arranging a pneumatic clamp, so as to avoid position deviation during workpiece processing and cause workpiece electrolytic corrosion failure.

However, in the above scheme, only the workpiece with regular shape can be clamped and fixed, and certain limitation exists in the use process, when the workpiece processed by the spark machine is in an irregular shape, the clamping plate cannot be attached to the outer surface of the workpiece, so that the workpiece is difficult to stably clamp, the jig needs to be customized and replaced according to the shape of the workpiece, and the production cost is increased, so that the pneumatic jig for the spark machine is provided for the problem.

Disclosure of utility model

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide a pneumatic jig for a spark machine, which can enable a clamping plate to adjust angles and positions according to the shape of a special-shaped workpiece by controlling the rotation of a worm and a screw rod so as to ensure that the clamping plate can be parallel to and closely contacted with the outer surface of the special-shaped workpiece, thus the special-shaped workpiece can be effectively fixed and stabilized to adapt to the workpiece with an irregular shape, the jig is not required to be replaced frequently, and the production cost is reduced.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a pneumatic tool of spark machine, includes fixed frame and abnormal shape work piece, the top of fixed frame is the opening setting, the bottom of abnormal shape work piece and the inner wall looks butt of fixed frame, the top of fixed frame is equipped with a plurality of adjusting part that are annular equidistance and arrange, the top of adjusting part is equipped with clamping assembly, clamping assembly includes the L template, the cylinder is installed on the top of L template, the lateral wall fixedly connected with grip block that the output of cylinder runs through the L template.

Further, the adjusting part comprises a fixed box, the fixed box is fixed to the inner wall of the fixed frame, the top of the fixed box is provided with a fixed block, the top of the fixed block is provided with a sliding groove, the bottom of the L-shaped plate is provided with a sliding block matched with the sliding groove, and the sliding block is in sliding connection with the sliding groove.

Further, the inner wall of fixed block rotates and is connected with the lead screw, the inside of slider is offered and is mateed with the lead screw through-hole, the lead screw runs through the through-hole, the lateral wall and the fixedly connected with first handle of fixed block are run through to the one end of lead screw.

Further, the inner wall of the fixed box is rotatably connected with a rotating shaft, and the upper end of the rotating shaft penetrates through the side wall of the fixed box and is fixedly connected with the fixed block.

Further, the outer end of the rotating shaft is fixedly connected with a worm wheel which is positioned in the inner cavity of the fixed box, the inner wall of the fixed box is rotationally connected with a worm which is meshed with the worm wheel, and one end of the worm penetrates through the side wall of the fixed box and is fixedly connected with a second handle.

Further, the arc dish is installed to the outer end of fixed box, the arc wall has been seted up on the top of arc dish, the one end fixedly connected with connecting rod that is close to the arc dish of fixed block, the movable block with arc wall assorted is installed to the bottom of connecting rod, movable block and arc wall sliding connection.

Further, one end of the connecting rod, which is far away from the fixed block, is fixedly connected with a pointer, and an angle scale mark is carved on the top end of the arc-shaped disc and close to the edge.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

According to the scheme, the worm and the screw rod are controlled to rotate, so that the clamping plate can be adjusted in angle and position according to the shape of the special-shaped workpiece, the clamping plate can be enabled to be parallel to the outer surface of the special-shaped workpiece and in close contact with the outer surface of the special-shaped workpiece, the special-shaped workpiece can be effectively fixed and stabilized, the special-shaped workpiece is adapted to the irregular-shaped workpiece, the jig is not required to be replaced frequently, and the production cost is reduced.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of an adjustment assembly and clamping assembly of the present utility model;

fig. 3 is a schematic perspective sectional structure of the fixing case of the present utility model.

The reference numerals in the figures illustrate:

1. A fixed frame; 2. a special-shaped workpiece; 3. an adjustment assembly; 31. a fixed box; 32. a fixed block; 33. a screw rod; 34. an arc-shaped disc; 35. a connecting rod; 36. an arc-shaped groove; 37. a moving block; 38. a rotating shaft; 39. a worm wheel; 310. a worm; 4. a clamping assembly; 41. an L-shaped plate; 42. a cylinder; 43. and a clamping plate.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," 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 "mounted," "configured to," "engaged with," "connected to," and the like 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, and can be communication between two elements. 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:

Referring to fig. 1-2, a pneumatic fixture for a spark machine comprises a fixing frame 1 and a special-shaped workpiece 2, wherein the top of the fixing frame 1 is provided with an opening, the bottom end of the special-shaped workpiece 2 is abutted against the inner wall of the fixing frame 1, the top end of the fixing frame 1 is provided with a plurality of adjusting assemblies 3 which are annularly and equidistantly arranged, the top of each adjusting assembly 3 is provided with a clamping assembly 4, each clamping assembly 4 comprises an L-shaped plate 41, the top end of each clamping assembly 4 is provided with an air cylinder 42, the output end of each air cylinder 42 penetrates through the side wall of each L-shaped plate 41 to be fixedly connected with a clamping plate 43, the workpiece is placed on the inner wall of the fixing frame 1, and the air cylinders 42 are ventilated, so that the clamping plates 43 are attached to the outer surface of the special-shaped workpiece 2 and are extruded, the special-shaped workpiece 2 is fixed, and then the spark machine is started, electrodes are operated, and electric corrosion work is performed, so that the special-shaped workpiece 2 is processed.

Referring to fig. 2, the adjusting component 3 includes a fixing box 31, the fixing box 31 is fixed to an inner wall of the fixing frame 1, a fixing block 32 is disposed at a top of the fixing box 31, a sliding groove is formed at a top end of the fixing block 32, a sliding block matched with the sliding groove is mounted at a bottom end of the L-shaped board 41, and the sliding block is slidably connected with the sliding groove, so that a movement track of the clamping component 4 can be limited.

The inner wall rotation of fixed block 32 is connected with lead screw 33, the through-hole with lead screw 33 assorted is seted up to the inside of slider, lead screw 33 runs through the through-hole, the one end of lead screw 33 runs through the lateral wall of fixed block 32 and fixedly connected with first handle, accessible first handle control lead screw 33 rotates, drive the slider and slide at the spout inner wall, thereby drive clamping assembly 4 and carry out the removal of horizontal direction, can adjust clamping plate 43's position according to the shape of abnormal shape work piece 2, make clamping plate 43 can contact with abnormal shape work piece 2 surface centering position.

Referring to fig. 3, a rotating shaft 38 is rotatably connected to an inner wall of the fixed box 31, and an upper end of the rotating shaft 38 penetrates through a side wall of the fixed box 31 and is fixedly connected to the fixed block 32, so that the fixed block 32 and the fixed box 31 can rotate relatively.

The outer end of the rotating shaft 38 and the inner cavity of the fixed box 31 are fixedly connected with a worm wheel 39, the inner wall of the fixed box 31 is rotationally connected with a worm 310 meshed with the worm wheel 39, one end of the worm 310 penetrates through the side wall of the fixed box 31 and is fixedly connected with a second handle, the worm 310 can be controlled to rotate through the second handle, the fixed block 32 and the clamping assembly 4 above are driven to rotate under the meshing connection effect of the worm 310 and the worm wheel 39, and accordingly the angle of the clamping plate 43 can be adjusted according to the shape of the special-shaped workpiece 2, the clamping plate 43 can be leveled with the outer surface of the special-shaped workpiece 2, and the clamping plate 43 can be stably clamped with the special-shaped workpiece 2.

Referring to fig. 2, an arc disc 34 is installed at the outer end of the fixed box 31, an arc groove 36 is formed in the top end of the arc disc 34, a connecting rod 35 is fixedly connected to one end, close to the arc disc 34, of the fixed block 32, a moving block 37 matched with the arc groove 36 is installed at the bottom end of the connecting rod 35, the moving block 37 is slidably connected with the arc groove 36, the fixed block 32 rotates and simultaneously drives the connecting rod 35 to synchronously rotate, and the moving block 37 at the bottom of the connecting rod 35 can slide in the arc groove 36, so that stability of the clamping assembly 4 is improved.

The end of the connecting rod 35, which is far away from the fixed block 32, is fixedly connected with a pointer, and the top end of the arc-shaped disc 34, which is close to the edge, is carved with angle scale marks, so that the angle of the clamping assembly 4 can be accurately adjusted according to the numerical value of the corresponding angle scale marks pointed by the pointer.

Working principle: according to the shape of the special-shaped workpiece 2, the position angle of the clamping plate 43 is adjusted, the worm 310 can be controlled by the second handle to rotate, the worm 310 is used for being connected with the worm gear 39 in a meshed mode, the fixed block 32 and the clamping assembly 4 above are driven to rotate, accordingly, the angle of the clamping plate 43 can be adjusted according to the shape of the special-shaped workpiece 2, the clamping plate 43 can be leveled with the outer surface of the special-shaped workpiece 2, then the first handle is used for controlling the screw 33 to rotate, the sliding block is driven to slide on the inner wall of the sliding groove, the clamping assembly 4 is driven to move in the horizontal direction, the position of the clamping plate 43 can be adjusted according to the shape of the special-shaped workpiece 2, the clamping plate 43 can be contacted with the central position of the outer surface of the special-shaped workpiece 2, then the special-shaped workpiece 2 is placed on the inner wall of the fixed frame 1, the air cylinder 42 is ventilated, the clamping plate 43 is attached to the outer surface of the special-shaped workpiece 2 and extruded, the special-shaped workpiece 2 is fixed, then a spark machine is started, an electrode is operated, and electrolytic corrosion work is carried out, and the special-shaped workpiece 2 is processed.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a pneumatic tool of spark machine, includes fixed frame (1) and abnormal shape work piece (2), its characterized in that: the top of fixed frame (1) is the opening setting, the bottom of abnormal shape work piece (2) and the inner wall looks butt of fixed frame (1), the top of fixed frame (1) is equipped with a plurality of regulation subassembly (3) that are annular equidistance and arrange, the top of regulation subassembly (3) is equipped with clamping assembly (4), clamping assembly (4) are including L template (41), cylinder (42) are installed on the top of L template (41), the output of cylinder (42) runs through lateral wall fixedly connected with grip block (43) of L template (41).

2. The pneumatic jig for a spark machine according to claim 1, wherein: the adjusting component (3) comprises a fixed box (31), the fixed box (31) is fixed to the inner wall of the fixed frame (1), a fixed block (32) is arranged at the top of the fixed box (31), a sliding groove is formed in the top end of the fixed block (32), a sliding block matched with the sliding groove is arranged at the bottom end of the L-shaped plate (41), and the sliding block is in sliding connection with the sliding groove.

3. The pneumatic jig for a spark machine according to claim 2, wherein: the inner wall rotation of fixed block (32) is connected with lead screw (33), the inside of slider is seted up with lead screw (33) assorted through-hole, lead screw (33) run through the through-hole, the lateral wall and the fixedly connected with first handle of fixed block (32) are run through to one end of lead screw (33).

4. The pneumatic jig for a spark machine according to claim 2, wherein: the inner wall of the fixed box (31) is rotatably connected with a rotating shaft (38), and the upper end of the rotating shaft (38) penetrates through the side wall of the fixed box (31) and is fixedly connected with the fixed block (32).

5. The pneumatic jig for a spark machine according to claim 4, wherein: the outer end of the rotating shaft (38) is fixedly connected with a worm wheel (39) in an inner cavity of the fixed box (31), the inner wall of the fixed box (31) is rotatably connected with a worm (310) meshed with the worm wheel (39), and one end of the worm (310) penetrates through the side wall of the fixed box (31) and is fixedly connected with a second handle.

6. The pneumatic jig for a spark machine according to claim 2, wherein: the outer end of fixed box (31) is installed arc dish (34), arc wall (36) have been seted up on the top of arc dish (34), the one end fixedly connected with connecting rod (35) that is close to arc dish (34) of fixed block (32), movable block (37) with arc wall (36) assorted are installed to the bottom of connecting rod (35), movable block (37) and arc wall (36) sliding connection.

7. The pneumatic jig for a spark machine according to claim 6, wherein: one end of the connecting rod (35) far away from the fixed block (32) is fixedly connected with a pointer, and the top end of the arc-shaped disc (34) is provided with angle scale marks at positions close to the edge.