CN215357361U

CN215357361U - Machine part wire-electrode cutting clamping device

Info

Publication number: CN215357361U
Application number: CN202121787017.8U
Authority: CN
Inventors: 张永刚
Original assignee: Chengdu Yongyuan Precision Mould Co ltd
Current assignee: Chengdu Yongyuan Precision Mould Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-12-31
Anticipated expiration: 2031-08-02

Abstract

The utility model provides a clamping device for linear cutting of mechanical parts, which at least comprises a base; a pair of clamps for clamping the machine parts; the pair of clamps are symmetrically arranged at the top of the base at the left and right sides; each clamp at least comprises a sliding plate, wherein one end of the sliding plate is sequentially provided with a first rotating seat, a second rotating seat, a third rotating seat and a fourth rotating seat from front to back, the second rotating seat and the third rotating seat are both connected with sliding seats in a sliding manner, and the sliding seats are fixedly connected with the sliding plate; a cutting tool for cutting a machine part; the cutting tool is arranged above the base. The utility model aims to solve the problems that the clamp in the prior art has poor clamping effect on mechanical parts with irregular shapes, is not firm in fixation, can cause unstable clamping of the mechanical parts, and is easy to move in a wire cutting process.

Description

Machine part wire-electrode cutting clamping device

Technical Field

The utility model relates to the technical field of machining, in particular to a clamping device for linear cutting of mechanical parts.

Background

A device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process is called a jig, for example, a welding jig, an inspection jig, an assembly jig, a machine tool jig, and the like. When a mechanical part is subjected to wire cutting, in order to enable the surface of a workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in a drawing, the workpiece needs to be positioned and clamped firmly before machining. However, the existing clamp has poor clamping effect on some mechanical parts with irregular shapes, is not firm in fixation, can cause unstable clamping of the mechanical parts, and is easy to move in the process of wire cutting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamping device for linear cutting of mechanical parts, and aims to solve the problems that a clamp in the prior art has poor clamping effect and is not firm in fixation on some mechanical parts with irregular shapes, so that the mechanical parts are unstable in clamping and are easy to move in the linear cutting process.

The embodiment of the utility model is realized by the following technical scheme:

a clamping device for linear cutting of mechanical parts at least comprises a base; a pair of clamps for clamping the machine parts; the pair of clamps are symmetrically arranged at the top of the base at the left and right sides; each clamp at least comprises a sliding plate, wherein one end of the sliding plate is sequentially provided with a first rotating seat, a second rotating seat, a third rotating seat and a fourth rotating seat from front to back, the second rotating seat and the third rotating seat are both connected with sliding seats in a sliding manner, and the sliding seats are fixedly connected with the sliding plate; the first rotating seat is rotatably connected with a first connecting rod, the second rotating seat is rotatably connected with two second connecting rods, the third rotating seat is rotatably connected with two third connecting rods, the fourth rotating seat is rotatably connected with a fourth connecting rod, the first connecting rod and one of the second connecting rods are rotatably connected with a first clamping block together, the other second connecting rod and one of the third connecting rods are rotatably connected with a second clamping block together, and the other third connecting rod and the fourth connecting rod are rotatably connected with a third clamping block together; a cutting tool for cutting a machine part; the cutting tool is arranged above the base.

Further, the length of the sliding seat is longer than that of the second rotating seat and that of the third rotating seat.

Further, this anchor clamps still includes a pair of U-shaped seat of fixed connection in this base top, and the U-shaped inslot of each this U-shaped seat all sliding connection has the slide bar, and the one end of two this slide bars is connected in the one end that this slide block was kept away from to this slide plate jointly.

Furthermore, a telescopic cylinder is arranged between the pair of U-shaped seats, the output end of the telescopic cylinder is arranged at one end, away from the sliding seat, of the sliding plate, and the telescopic cylinder is arranged at the top of the base.

Furthermore, the clamping ends of the first clamping block, the second clamping block and the third clamping block are fixedly connected with soft cushion layers.

Further, the cutting tool at least comprises a cutting blade, a motor is arranged at one end of the cutting blade, a hydraulic cylinder is arranged at the top of the motor, and the hydraulic cylinder is fixedly connected to the top of the base through a supporting plate.

Further, this backup pad includes vertical plate and horizontal board, and the bottom fixed connection of this vertical plate is in the rear end of this base, and the rear end fixed connection of this horizontal board is in the top of this vertical plate, and this pneumatic cylinder sets up in the bottom of this horizontal board.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:

the clamping device is reasonable in design, and by arranging the sliding plate, the first rotating seat, the second rotating seat, the third rotating seat, the fourth rotating seat, the sliding seat, the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod, the first clamping block, the second clamping block and the third clamping block, a good clamping effect can be provided for the irregular surface of a mechanical part, so that the clamping force of the three clamping blocks at different positions of a concave part or a convex part can be adjusted in real time through the sliding of the sliding seat and the rotation of the six connecting rods, the dynamic adjustment clamping effect is realized, the good clamping effect can be realized on the mechanical part with the irregular shape, the fixation is firm, and the mechanical part is prevented from moving in the cutting process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a clamping device for linear cutting of a mechanical part according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 2;

icon: 1-base, 2-clamp, 21-U-shaped seat, 22-sliding rod, 23-sliding plate, 231-first rotating seat, 232-second rotating seat, 233-third rotating seat, 234-fourth rotating seat, 235-sliding seat, 24-first connecting rod, 25-second connecting rod, 26-third connecting rod, 27-fourth connecting rod, 3-first clamping block, 4-second clamping block, 5-third clamping block, 6-cutting tool, 61-cutting blade, 62-motor, 63-hydraulic cylinder, 7-telescopic cylinder, 8-cushion layer, 91-vertical plate and 92-transverse plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present embodiment, as shown in fig. 1 to 3, a clamping device for wire cutting of mechanical parts at least comprises a base 1; a pair of clamps 2 for clamping the machine parts; the pair of clamps 2 are symmetrically arranged at the top of the base 1 from left to right; each fixture 2 at least comprises a sliding plate 23, wherein one end of the sliding plate 23 is sequentially provided with a first rotating seat 231, a second rotating seat 232, a third rotating seat 233 and a fourth rotating seat 234 from front to back, the second rotating seat 232 and the third rotating seat 233 are both connected with a sliding seat 235 in a sliding manner, and the sliding seat 235 is fixedly connected with the sliding plate 23; the first rotating base 231 is rotatably connected with a first connecting rod 24, the second rotating base 232 is rotatably connected with two second connecting rods 25, the third rotating base 233 is rotatably connected with two third connecting rods 26, the fourth rotating base 234 is rotatably connected with a fourth connecting rod 27, the first connecting rod 24 and one of the second connecting rods 25 are rotatably connected with a first clamping block 3 together, the other second connecting rod 25 and one of the third connecting rods 26 are rotatably connected with a second clamping block 4 together, and the other third connecting rod 26 and the fourth connecting rod 27 are rotatably connected with a third clamping block 5 together; a cutting tool 6 for cutting the machine part; the cutting tool 6 is disposed above the base 1. Specifically, the worker places the mechanical part between the pair of clamps 2, and because the surface of the mechanical part is irregular and uneven, the clamp 2 is designed, the worker drives the pair of clamps 2 to approach each other, the first clamping block, the second clamping block 4 and the third clamping block 5 are clamped at different positions of the surface of the mechanical part, and because the surface is uneven, a concave part and a convex part exist, the concave part needs a longer moving distance, the convex part is opposite, the moving distance is shortened, the sliding seat 235 can slide according to actual conditions, and then different moving distances of the first clamping block 3, the second clamping block 4 and the third clamping block 5 are adjusted. For example, as shown in fig. 2, the second clamping block 4 clamps the concave, the first clamping block 3 and the third clamping block 5 clamps the convex, the second clamping block 4 needs a longer moving distance, the two sliding seats 235 can approach each other, so that the intersection angle between the second connecting rod 25 and the third connecting rod 26 on the second clamping block 4 becomes smaller, the second clamping block 4 obtains an increased moving distance, and the first clamping block 3 and the third clamping block 5 are consistent, and the distance between the first clamping block 3 and the second clamping rod 25 on the first clamping block 3 is larger, the moving distance obtained by the first clamping block 3 is reduced, so that the concave and the convex on the surface of the mechanical part can be better adapted, and good self-locking can be realized.

Specifically, as shown in fig. 3, the sliding seat 235 has a length longer than the second rotating seat 232 and the third rotating seat 233. Specifically, the structure of the clamp 2 is refined, and the second rotating seat 232 and the third rotating seat 233 can have enough adjusting sliding space to avoid being locked.

Further, as shown in fig. 2, the clamp 2 further includes a pair of U-shaped seats 21 fixedly connected to the top of the base 1, a sliding rod 22 is slidably connected in the U-shaped groove of each U-shaped seat 21, and one end of each sliding rod 22 is commonly connected to one end of the sliding plate 23 away from the sliding seat 235. Specifically, the structure of the clamp 2 is refined, the U-shaped seat 21 and the sliding rod 22 can form a sliding structure, the pair of clamps 2 can move away from or close to each other to realize the loosening or clamping function, the structure is simple, and the stability is good.

Further, as shown in fig. 2, a telescopic cylinder 7 is disposed between the pair of U-shaped seats 21, an output end of the telescopic cylinder 7 is disposed at an end of the sliding plate 23 away from the sliding seat 235, and the telescopic cylinder 7 is disposed at the top of the base 1. Specifically, this is the refinement to 2 power source structures of anchor clamps, and telescopic cylinder 7 can control anchor clamps 2 and realize anchor clamps 2 or loosen the function, and mechanized control improves work efficiency, reduces manual operation.

Further, as shown in fig. 2, the clamping ends of the first clamping block 3, the second clamping block 4 and the third clamping block 5 are fixedly connected with cushion layers 8. Specifically, the structure of the clamp 2 is refined, and the cushion layer 8 can directly contact with the mechanical part in the clamping process of the clamp 2, so that unnecessary abrasion of the mechanical part by the clamp 2 can be avoided.

Further, as shown in fig. 1, the cutting tool 6 at least comprises a cutting blade 61, one end of the cutting blade 61 is provided with a motor 62, the top of the motor 62 is provided with a hydraulic cylinder 63, and the hydraulic cylinder 63 is fixedly connected to the top of the base 1 through a supporting plate. Specifically, the structure of the cutting tool 6 is refined, the hydraulic cylinder 63 can drive the cutting blade 61 to move up and down, and the motor 62 can drive the cutting blade 61 to rotate for cutting, so that the cutting blade 61 is mechanically controlled to cut, the working efficiency is improved, and the accuracy is high.

Further, as shown in fig. 1, the supporting plate includes a vertical plate 91 and a horizontal plate 92, the bottom of the vertical plate 91 is fixedly connected to the rear end of the base 1, the rear end of the horizontal plate 92 is fixedly connected to the top of the vertical plate 91, and the hydraulic cylinder 63 is disposed at the bottom of the horizontal plate 92. Specifically, this is a refinement of the support plate structure, and by providing the vertical plate 91 and the horizontal plate 92, the space can be utilized reasonably, and the space utilization rate can be improved.

In summary, the working principle of the utility model is as follows:

the working personnel place the machine part between a pair of anchor clamps 2, because the surface of machine part is anomalous, unevenness, therefore, the utility model designs anchor clamps 2, the working personnel drive a pair of anchor clamps 2 to be close to each other, first centre gripping, second grip block 4 and third grip block 5 can be pressed from both sides in the different positions on the machine part surface, because the surface is unevenness, can have depressed place and protruding department, the depressed place needs longer travel distance, the protruding department is opposite, can shorten travel distance, sliding seat 235 can slide according to actual conditions, and then adjust the different travel distances of first grip block 3, second grip block 4 and third grip block 5 three. For example, as shown in fig. 2, the second clamping block 4 clamps the concave, the first clamping block 3 and the third clamping block 5 clamps the convex, the second clamping block 4 needs a longer moving distance, the two sliding seats 235 can approach each other, so that the intersection angle between the second connecting rod 25 and the third connecting rod 26 on the second clamping block 4 becomes smaller, the second clamping block 4 obtains an increased moving distance, and the first clamping block 3 and the third clamping block 5 are consistent, and the distance between the first clamping block 3 and the second clamping rod 25 on the first clamping block 3 is larger, the moving distance obtained by the first clamping block 3 is reduced, so that the concave and the convex on the surface of the mechanical part can be better adapted, and good self-locking can be realized.

The utility model has at least the following beneficial effects:

through setting up slide plate 23, first rotation seat 231, second rotation seat 232, third rotation seat 233, fourth rotation seat 234, sliding seat 235, first connecting rod 24, second connecting rod 25, third connecting rod 26, fourth connecting rod 27, first grip block 3, second grip block 4 and third grip block 5, can provide good centre gripping effect to machine part's irregular surface, make the three grip block at the different positions of depressed part or prominent department, the centre gripping dynamics of three grip block is adjusted in real time through the slip of sliding seat 235 and the rotation of six connecting rods, realize the effect of dynamic adjustment centre gripping, and then can realize good clamping effect to machine part of irregular shape, it is fixed firm, avoid producing the removal at the in-process machine part of cutting.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a machine part wire-electrode cutting clamping device which characterized in that: at least comprises the following steps of,

a base;

a pair of clamps for clamping the machine parts; the pair of clamps are symmetrically arranged at the top of the base at the left and right sides; each clamp at least comprises a sliding plate, wherein one end of the sliding plate is sequentially provided with a first rotating seat, a second rotating seat, a third rotating seat and a fourth rotating seat from front to back, the second rotating seat and the third rotating seat are both connected with sliding seats in a sliding manner, and the sliding seats are fixedly connected with the sliding plate; the first rotating seat is rotatably connected with a first connecting rod, the second rotating seat is rotatably connected with two second connecting rods, the third rotating seat is rotatably connected with two third connecting rods, the fourth rotating seat is rotatably connected with a fourth connecting rod, the first connecting rod and one of the second connecting rods are rotatably connected with a first clamping block together, the other second connecting rod and one of the third connecting rods are rotatably connected with a second clamping block together, and the other third connecting rod and the fourth connecting rod are rotatably connected with a third clamping block together;

a cutting tool for cutting a machine part; the cutting tool is arranged above the base.

2. The clamping device for the wire-electrode cutting of mechanical parts according to claim 1, wherein: the length of the sliding seat is longer than that of the second rotating seat and that of the third rotating seat.

3. The clamping device for the wire-electrode cutting of mechanical parts according to claim 1, wherein: the clamp further comprises a pair of U-shaped seats fixedly connected to the top of the base, a sliding rod is connected in a sliding mode in each U-shaped groove of each U-shaped seat, and one end of each sliding rod is connected to one end, far away from the sliding seat, of the sliding plate.

4. The clamping device for the wire-electrode cutting of mechanical parts according to claim 3, wherein: a telescopic cylinder is arranged between the pair of U-shaped seats, the output end of the telescopic cylinder is arranged at one end, away from the sliding seat, of the sliding plate, and the telescopic cylinder is arranged at the top of the base.

5. The clamping device for the wire-electrode cutting of mechanical parts according to claim 1, wherein: the clamping ends of the first clamping block, the second clamping block and the third clamping block are fixedly connected with soft cushion layers.

6. The clamping device for the wire-electrode cutting of mechanical parts according to claim 1, wherein: the cutting tool at least comprises a cutting blade, a motor is arranged at one end of the cutting blade, and a hydraulic cylinder is arranged at the top of the motor and fixedly connected to the top of the base through a supporting plate.

7. The clamping device for the wire-electrode cutting of mechanical parts according to claim 6, wherein: the supporting plate comprises a vertical plate and a transverse plate, the bottom of the vertical plate is fixedly connected to the rear end of the base, the rear end of the transverse plate is fixedly connected to the top of the vertical plate, and the hydraulic cylinder is arranged at the bottom of the transverse plate.