CN217914898U - Clamp with adjustable clamping angle - Google Patents

Abstract

The application provides a centre gripping angularly adjustable anchor clamps, includes bottom plate, actuating mechanism and centre gripping module. The clamping module comprises a first clamping part, and the first clamping part comprises a first fixed block, a first sliding block, a second sliding block and a first pressing part. Through the mutual movement and the cooperation among the first fixed block, the first sliding block, the second sliding block and the first pressing part, the first pressing part can be completely attached to the outer contour of a workpiece, and therefore the workpiece, particularly a special-shaped workpiece, can be clamped and fixed. This application anchor clamps easy operation, suitability are strong, degree of automation is high.

Description

Clamp with adjustable clamping angle

Technical Field

The application relates to the field of machinery, especially, relate to a centre gripping angularly adjustable anchor clamps.

Background

In the production process, a fixture is often required to limit and fix some workpieces with irregular shapes. However, most of the existing clamps adopt tools such as a three-jaw chuck or a flat tongs to limit and fix a workpiece, and only the workpiece with a specific size and shape can be limited and fixed, but the workpiece with an irregular surface shape cannot be effectively limited and fixed. The application range of the existing clamp is small, and the clamping requirements of a plurality of special-shaped workpieces cannot be met.

SUMMERY OF THE UTILITY MODEL

In view of this, the application provides a centre gripping angularly adjustable anchor clamps suitable for special-shaped workpiece, and it can adjust the centre gripping angle in clamping process, can satisfy the centre gripping demand of the spare part of various shapes.

An embodiment of the present application provides a clamp with adjustable clamping angle, including: a base plate; the driving mechanism is arranged on the bottom plate; the clamping module is arranged on the bottom plate and comprises a first clamping part and a second clamping part which are oppositely arranged. The first clamping portion includes: the first fixing block is connected with the driving mechanism; the first sliding block is slidably arranged on the first fixed block; at least one second sliding block, wherein the second sliding block is slidably arranged on the first sliding block; and the first pressing part is connected with the second sliding block. The first pressing portion comprises a first pressing block, a first elastic piece and a first supporting column. One end of the first elastic piece is contained in the second sliding block, and the other end of the first elastic piece is connected with the first support. The first pressing block is provided with a first through hole penetrating through the first pressing block, and the first supporting column penetrates out of the first through hole.

In one embodiment, a first sliding groove is formed on the surface, close to the first sliding block, of the first fixed block. The surface of the first sliding block, which is close to the first fixed block, is provided with a first connecting piece, the first connecting piece comprises a first fastening piece connected with the first sliding block and a first sliding piece arranged at one end of the first fastening piece, and the first sliding piece is suitable for sliding in the first sliding groove.

In one embodiment, the first sliding member is hemispherical.

In one embodiment, a second sliding groove is formed on the surface of the first sliding block, which is close to the second sliding block. And a second connecting piece is arranged on the surface, close to the first sliding block, of the second sliding block, the second connecting piece comprises a second fastening piece connected with the second sliding block and a second sliding piece arranged at one end of the second fastening piece, and the second sliding piece is suitable for sliding in the second sliding groove.

In one embodiment, the second slider is hemispherical.

In one embodiment, the second clamping portion comprises: the second fixing block is fixedly arranged on the bottom plate; at least one third sliding block, wherein the third sliding block is slidably arranged on the second fixed block; at least one fourth sliding block, wherein the fourth sliding block is slidably arranged on the third sliding block; and the second pressing part comprises a second pressing block, a second elastic piece and a second support. The second pressing block is connected with the fourth sliding block, one end of the second elastic piece is contained in the fourth sliding block, and the other end of the second elastic piece is connected with the second support. The second pressing block is provided with a second through hole penetrating through the second pressing block, and the second supporting column penetrates out of the second through hole.

In one embodiment, a third sliding groove is formed on the surface, close to the third sliding block, of the second fixed block. The third sliding block is close to the surface of second fixed block is equipped with the third connecting piece, the third connecting piece include with the third fastener that the third sliding block is connected with set up in the third slider of third fastener one end, the third slider is suitable for to slide in the third spout.

In one embodiment, a fourth sliding groove is formed on a surface of the third sliding block, which is close to the fourth sliding block. The surface that the fourth sliding block is close to the third sliding block is equipped with the fourth connecting piece, the fourth connecting piece include with the fourth fastener that the fourth sliding block is connected with set up in the fourth slider of fourth fastener one end, the fourth slider is suitable for to slide in the fourth spout.

In one embodiment, the second pressing portion is disposed opposite to the first pressing portion.

In one embodiment, the drive mechanism comprises a pneumatic cylinder.

This application centre gripping angularly adjustable anchor clamps through the mutual removal and the cooperation between first fixed block, first sliding block, second sliding block and the first nip portion, enables the outline of first nip portion and work piece and pastes tightly completely to the realization is tight and fixed to the clamp of work piece especially special-shaped work piece. This application anchor clamps easy operation, suitability are strong, degree of automation is high.

Drawings

Fig. 1 is a schematic structural diagram of a clamp with an adjustable clamping angle according to an embodiment of the present application.

Fig. 2 is an exploded view of the first clamping portion of the clamp shown in fig. 1 according to an embodiment.

FIG. 3 is an exploded view of the second clamping portion of the clamp shown in FIG. 1 according to one embodiment.

Description of the main elements

Clamp 100

Base plate 10

Drive mechanism 20

Clamping module 30

First clamping part 31

Second clamping part 32

First fixing block 311

First slider 312

Second slider 313

First pressing part 314

First concave surface 3110

First chute 3111

Second concave surface 3120

First arc surface 3121

First connecting member 3122

First fastener 3123

First slide 3124

Second sliding groove 3125

Second arc surface 3130

First plane 3131

Second connector 3132

Second fastener 3133

Second slider 3134

First blind hole 3135

First pressing block 3141

First elastic member 3142

First strut 3143

First through hole 3144

First protrusion 3145

Second fixing block 321

Third slider 322

Fourth slider 323

The second pressing portion 324

Third concave surface 3210

Third chute 3211

Fourth concave 3220

Third arc surface 3221

Third connecting piece 3222

Third fastener 3223

Third slider 3224

Fourth chute 3225

Fourth arc surface 3230

Second plane 3231

Fourth connector 3232

Fourth fastener 3233

Fourth slider 3234

Second blind hole 3235

Second press block 3241

Second elastic member 3242

Second strut 3243

Second through hole 3244

Second protrusion 3245

The following detailed description will further describe embodiments of the present application in conjunction with the above-described figures.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the embodiments of this application belong. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application.

In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following embodiments and features of the embodiments may be combined with each other without conflict.

Referring to fig. 1, an embodiment of the present application provides a clamp 100 with an adjustable clamping angle, which includes a base plate 10, a driving mechanism 20, and a clamping module 30. The driving mechanism 20 and the clamping module 30 are both disposed on the base plate 10. The clamping module 30 includes a first clamping portion 31 and a second clamping portion 32 disposed opposite to each other, and a workpiece (not shown) is disposed between the first clamping portion 31 and the second clamping portion 32. The first clamping portion 31 is connected to the driving mechanism 20, and the driving mechanism 20 is configured to drive the first clamping portion 31 to move closer to or away from the second clamping portion 32. The driving mechanism 20 may be, but is not limited to, a pneumatic cylinder or the like.

Referring to fig. 2, the first clamping portion 31 includes a first fixing block 311, at least one first sliding block 312, at least one second sliding block 313 and at least one first pressing portion 314. The first fixing block 311 is connected to the driving mechanism 20 (see fig. 1), and the first sliding block 312 is slidably disposed on the first fixing block 311. The second sliding block 313 is slidably disposed on the first sliding block 312, the first pressing part 314 is connected with the second sliding block 313, and the first pressing part 314 is configured to contact with a workpiece.

In this embodiment, the number of the first sliders 312 is 2, and each of the first sliders 312 is slidably connected to two second sliders 313, that is, in this embodiment, the number of the second sliders 313 is 4. Each second sliding block 313 is connected with one first stitching part 314, and the number of the first stitching parts 314 is identical with that of the second sliding blocks 313. In the present embodiment, the number of the first press-fitting portions 314 is also 4. In other embodiments, the number of the first sliding block 312, the second sliding block 313 and the first pressing portion 314 may be changed, and the application is not limited.

As shown in fig. 2, in some embodiments, the first fixed block 311 is a cube with a special-shaped structure, which is obtained after the surface of the cube close to the first sliding block 312 is recessed inward to form two semicircular first concave surfaces 3110. That is, the first fixed block 311 includes two first concave surfaces 3110 having a substantially semicircular shape adjacent to the first sliding block 312. A portion of each first concave surface 3110 is recessed inward to form a first sliding groove 3111. The first sliding groove 3111 extends in a substantially arc shape.

In fig. 2, the first sliding block 312 is a shaped structure obtained by recessing a half cylinder from a surface close to the second sliding block 313 inward to form two half-circular second concave surfaces 3120. The first sliding block 312 includes a first circular arc surface 3121 adjacent to the first fixed block 311, and the shape of the first circular arc surface 3121 is matched with the shape of the first concave surface 3110 of the first fixed block 311, so that the first sliding block 312 can be embedded into the first concave surface 3110 of the first fixed block 311. The first circular arc surface 3121 is provided with a first connecting member 3122, and the first connecting member 3122 includes a first fastening member 3123 fixedly connected to the first circular arc surface 3121 and a first sliding member 3124 disposed at an end of the first fastening member 3123 away from the first sliding block 312. The first sliding member 3124 is adapted to slide within the first sliding groove 3111 of the first fixing block 311. A portion of each of the second concave surfaces 3120 is inwardly depressed to form a second sliding groove 3125, and the second sliding groove 3125 extends in a substantially arc shape.

Further, the first sliding member 3124 is substantially hemispherical and adapted to slide in the first sliding groove 3111. The first fastener 3123 may be, but is not limited to, a screw, and the like.

With reference to fig. 2, in some embodiments, the second sliding block 313 is a substantially semi-cylinder having a second circular arc surface 3130 close to the first sliding block 312 and a first plane 3131 close to the first pressing portion 314. The second circular arc surface 3130 is provided with a second connecting element 3132, the second connecting element 3132 comprises a second fastening element 3133 fixedly connected to the second circular arc surface 3130, and a second sliding element 3134 arranged at an end of the second fastening element 3133 remote from the second sliding block 313, the second sliding element 3134 is adapted to slide in the second sliding groove 3125 of the first sliding block 312. The first plane 3131 may further be provided with at least one first blind hole 3135.

Further, the second sliding member 3134 is substantially hemispherical and adapted to slide within the second sliding groove 3125. The second fastener 3133 may be, but is not limited to, a screw, etc.

As shown in fig. 2, the first pressing portion 314 includes a first pressing block 3141, a first elastic member 3142, and a first supporting post 3143. The first pressing block 3141 is fixedly connected to the second sliding block 313, one end of the first elastic member 3142 is received in the first blind hole 3135 of the second sliding block 313, and the other end is connected to the first pillar 3143. The first pressing block 3141 has a substantially cubic shape, and is provided with a first through hole 3144 penetrating the first pressing block 3141 in the thickness direction. The position of the first supporting beam 3143 corresponds to the position of the first through hole 3144, and the first supporting beam 3143 can pass through the first through hole 3144. One end part of the first supporting column 3143 close to the first elastic member 3142 protrudes outwards to form an annular first protruding part 3145, and the first protruding part 3145 is used for limiting the first supporting column 3143, so that the first supporting column 3143 can be always clamped in the first pressing block 3141.

Further, the first elastic member 3142 may be, but is not limited to, a spring, etc.

Referring to fig. 3, in some embodiments, the second clamping portion 32 includes a second fixing block 321, at least one third sliding block 322, at least one fourth sliding block 323, and at least one second pressing portion 324. The first fixing block 311 is fixedly disposed on the bottom plate 10 (see fig. 1), and the third sliding block 322 is slidably disposed on the second fixing block 321. The fourth sliding block 323 is slidably disposed on the third sliding block 322, and the second pressing portion 324 is connected to the fourth sliding block 323. The second pressing portion 324 is disposed opposite to the first pressing portion 314, and the second pressing portion 324 is used for contacting a workpiece.

In the present embodiment, the number of the third sliders 322 is 2, and each of the third sliders 322 is slidably connected to two fourth sliders 323, that is, in the present embodiment, the number of the fourth sliders 323 is 4. Each of the fourth sliding blocks 323 is connected to a second press-fit portion 324, and the number of the second press-fit portions 324 is equal to the number of the fourth sliding blocks 323. In the present embodiment, the number of the second pressing portions 324 is also 4. In other embodiments, the numbers of the third sliding block 322, the fourth sliding block 323, and the second pressing portion 324 may be changed, and the application is not limited.

As shown in fig. 3, in some embodiments, the second fixed block 321 is a cube having a special-shaped structure after the surface of the cube close to the third sliding block 322 is recessed inward to form two semicircular third concave surfaces 3210. That is, the second fixed block 321 includes two third concave surfaces 3210 having a substantially semicircular shape adjacent to the third sliding block 322. A portion of each of the third concave surfaces 3210 is recessed inward to form a third sliding groove 3211. The third sliding slot 3211 extends substantially in an arc shape.

In fig. 3, the third sliding block 322 is a shaped structure formed by two semicircular fourth concave surfaces 3220 formed by inward recessing of the surfaces of the semicircular cylinders close to the fourth sliding block 323. The third slider 322 includes a third circular arc surface 3221 near the second fixed block 321, and the shape of the third circular arc surface 3221 is matched with the shape of the third concave surface 3210 of the second fixed block 321, so that the third slider 322 can be embedded into the third concave surface 3210 of the second fixed block 321. The third circular arc surface 3221 is provided with a third connecting element 3222, and the third connecting element 3222 includes a third fastening element 3223 fixedly connected to the third circular arc surface 3221, and a third sliding element 3224 arranged at an end of the third fastening element 3223 far away from the third sliding block 322. The third sliding member 3224 is adapted to slide in the third sliding groove 3211 of the second fixing block 321. A portion of each fourth concave surface 3220 is concave inwardly to form a fourth sliding slot 3225, and the fourth sliding slot 3225 extends in a substantially arc shape.

Further, the third sliding member 3224 is substantially hemispherical and is adapted to slide within the third sliding slot 3211. The third fastening member 3223 may be, but is not limited to, a screw, etc.

Referring to fig. 3, in some embodiments, the fourth sliding block 323 is a substantially half cylinder having a fourth arc surface 3230 adjacent to the third sliding block 322 and a second plane surface 3231 adjacent to the second pressing portion 324. The fourth arc surface 3230 is provided with a fourth connecting element 3232, the fourth connecting element 3232 includes a fourth fastening element 3233 fixedly connected to the fourth arc surface 3230, and a fourth sliding element 3234 disposed at an end of the fourth fastening element 3233 far from the fourth sliding block 323, and the fourth sliding element 3234 is adapted to slide in the fourth sliding slot 3225 of the third sliding block 322. The second plane 3231 may further be provided with at least one second blind hole 3235.

Further, the fourth slider 3234 has a substantially hemispherical shape and is adapted to slide in the fourth sliding groove 3225. The fourth fastener 3233 may be, but is not limited to, a screw, etc.

As shown in fig. 3, the second pressing portion 324 includes a second pressing piece 3241, a second elastic piece 3242 and a second supporting column 3243. The second pressing block 3241 is fixedly connected to the fourth sliding block 323, one end of the second elastic element 3242 is received in the second blind hole 3235 of the fourth sliding block 323, and the other end is connected to the second supporting rod 3243. The second presser block 3241 has a substantially cubic shape, and is provided with a second through hole 3244 penetrating the second presser block 3241 in the thickness direction. The second support 3243 is positioned to correspond to the second through hole 3244, and the second support 3243 can pass through the second through hole 3244. An end portion of the second support column 3243 close to the second resilient member 3242 protrudes outward to form a second protrusion 3245 in a ring shape, and the second protrusion 3245 is used for limiting the second support column 3243, so that the second support column 3243 can be always held in the second pressing block 3241.

Further, the second elastic member 3242 may be, but is not limited to, a spring, etc.

The method of using the clip 100 described herein will now be described. In the initial state, the driving mechanism 20 drives the first clamping portion 31 to move in a direction away from the second clamping portion 32, so that a workpiece placing space is reserved between the first clamping portion 31 and the second clamping portion 32. After the workpiece is placed, the driving mechanism 20 drives the first clamping portion 31 to move toward the workpiece, so that the first pressing portion 314 of the first clamping portion 31 and the second pressing portion 324 of the second clamping portion 32 are both in contact with the workpiece, and the driving mechanism 20 stops driving. After the first elastic element 3142 and the second elastic element 3242 are compressed, the second sliding block 313 moves in the second sliding slot 3125 of the first sliding block 312, the fourth sliding block 323 moves in the fourth sliding slot 3225 of the third sliding block 322 under the action of the reaction force of the workpiece and the pressure of the elastic element, and the reaction force is further transmitted to the first sliding block 312 and the third sliding block 322, so that the first sliding block 312 moves in the first sliding slot 3111 of the first fixed block 311 and the third sliding block 322 moves in the third sliding slot 3211 of the second fixed block 321, until the first pressing portion 314 and the second pressing portion 324 are completely attached to the outer contour of the workpiece, thereby clamping and fixing the workpiece.

The clamp 100 with the adjustable clamping angle can enable the first pressing part 314 to be completely attached to the outer contour of a workpiece through mutual movement and matching among the first fixing block 311, the first sliding block 312, the second sliding block 313 and the first pressing part 314, so that clamping and fixing of the workpiece, particularly a special-shaped workpiece, are realized. This application anchor clamps 100 easy operation, suitability are strong, degree of automation is high.

The above description is a few specific embodiments of the present application, but in practical applications, the present application is not limited to these embodiments. Other modifications and variations to the technical concept of the present application should fall within the scope of the present application for those skilled in the art.

Claims (10)

1. The utility model provides a centre gripping angularly adjustable anchor clamps which characterized in that includes:

a base plate;

the driving mechanism is arranged on the bottom plate; and

the clamping module is arranged on the bottom plate and comprises a first clamping part and a second clamping part which are oppositely arranged;

wherein the first clamping portion includes:

the first fixing block is connected with the driving mechanism;

the first sliding block is slidably arranged on the first fixed block;

at least one second sliding block, wherein the second sliding block is arranged on the first sliding block in a sliding way; and

the first pressing part comprises a first pressing block, a first elastic piece and a first support column; the first pressing block is connected with the second sliding block; one end of the first elastic piece is accommodated in the second sliding block, and the other end of the first elastic piece is connected with the first support column; the first pressing block is provided with a first through hole penetrating through the first pressing block, and the first supporting column penetrates out of the first through hole.

2. The clamping angle adjustable clamp of claim 1, wherein the surface of the first fixed block near the first sliding block is provided with a first sliding slot, the surface of the first sliding block near the first fixed block is provided with a first connecting piece, the first connecting piece comprises a first fastening piece connected with the first sliding block and a first sliding piece arranged at one end of the first fastening piece, and the first sliding piece is suitable for sliding in the first sliding slot.

3. The adjustable gripping angle clamp of claim 2, wherein the first slide is hemispherical.

4. The adjustable clamping fixture as claimed in claim 1, wherein said first sliding block has a second sliding groove formed on a surface thereof adjacent to said second sliding block, said second sliding block has a second connecting member formed on a surface thereof adjacent to said first sliding block, said second connecting member includes a second fastening member connected to said second sliding block and a second sliding member disposed at an end of said second fastening member, said second sliding member is adapted to slide in said second sliding groove.

5. The adjustable gripping angle clamp of claim 4, wherein the second slide is hemispherical.

6. The adjustable clamping angle clamp of claim 1, wherein said second clamping portion comprises:

the second fixing block is fixedly arranged on the bottom plate;

the third sliding block is slidably arranged on the second fixed block;

at least one fourth sliding block, wherein the fourth sliding block is slidably arranged on the third sliding block; and

the second pressing part comprises a second pressing block, a second elastic piece and a second support; the second pressing block is connected with the fourth sliding block; one end of the second elastic piece is accommodated in the fourth sliding block, and the other end of the second elastic piece is connected with the second support; the second pressing block is provided with a second through hole penetrating through the second pressing block, and the second support penetrates out of the second through hole.

7. The adjustable clamping angle fixture as claimed in claim 6, wherein the second fixed block has a third sliding groove on a surface thereof adjacent to the third sliding block, and the third sliding block has a third connecting member on a surface thereof adjacent to the second fixed block, the third connecting member including a third fastening member connected to the third sliding block and a third sliding member disposed at an end of the third fastening member, the third sliding member being adapted to slide in the third sliding groove.

8. The adjustable clamping fixture as claimed in claim 6, wherein said third sliding block has a fourth sliding groove formed on a surface thereof adjacent to said fourth sliding block, said fourth sliding block has a fourth connecting member formed on a surface thereof adjacent to said third sliding block, said fourth connecting member includes a fourth fastening member connected to said fourth sliding block and a fourth sliding member disposed at an end of said fourth fastening member, said fourth sliding member is adapted to slide in said fourth sliding groove.

9. The angularly adjustable clamp of claim 6, wherein said second engaging portion is disposed opposite said first engaging portion.

10. The adjustable gripping angle chuck according to claim 1, wherein the actuating mechanism includes an air cylinder.

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