CN215548023U

CN215548023U - Multi-axis pneumatic tool clamp

Info

Publication number: CN215548023U
Application number: CN202120967419.XU
Authority: CN
Inventors: 陈宗元; 罗文库; 范小成; 谢继忠; 陈锦鸿; 林焕然
Original assignee: Spaco Intelligent Technology Dongguan Co ltd
Current assignee: Spaco Intelligent Technology Dongguan Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-01-18
Anticipated expiration: 2031-05-07

Abstract

The utility model provides a multi-axis pneumatic tool clamp which comprises a three-surface base and a clamp assembly, wherein the three-surface base is provided with three installation inclined planes which are sequentially connected along the circumferential direction of the three-surface base; each installation inclined plane is provided with a clamp assembly, each clamp assembly comprises a shaft center piece, a shell, a shaft sleeve, a ball, a pull nail, a universal connecting assembly and a clamp body, the shaft center piece is arranged on the installation inclined plane and provided with a jack, the side wall of the shaft center piece is provided with a through hole communicated with the jack, the shell is sleeved on the outer side of the shaft center piece, the upper part of the shell is provided with a bulge, an installation space is formed by the installation inclined plane, the shaft center piece and the shell in an enclosing mode, the ball is movably arranged in the through hole, the shaft sleeve is positioned above the air outlet end of the air hole, and the shaft sleeve can be sleeved on the outer side of the shaft center piece in an up-and-down sliding mode; the lower extreme of blind rivet is pegged graft in the jack, and the upper end and the general coupling assembling of blind rivet are connected, and general coupling assembling's bottom is equipped with the recess, and the arch is connected with the recess block, and the anchor clamps body is installed in general coupling assembling's upper portion.

Description

Multi-axis pneumatic tool clamp

Technical Field

The utility model relates to the technical field of tool fixtures, in particular to a multi-axis pneumatic tool fixture.

Background

Vises are common fixtures used to hold workpieces. The vice is arranged on the workbench and used for clamping and stably processing the workpiece, and is a necessary tool for a bench worker workshop. The existing vice has the following defects: 1. the traditional processing adopts vice processing, the vice is large and heavy, and is inconvenient to use and operate; 2. the vice cannot be used universally, and only a single workpiece with a right and a square type surface can be processed; 3. when the vice is used for clamping a workpiece, the vice needs to be adjusted, and the adjustment time is long, so that the production efficiency is influenced; 4. when the vice is used for tooling, external clamping cannot be realized. At present, some frock clamps appear in the market, and this frock clamp ubiquitous has following problem: generally, only one workpiece can be clamped and only one axial degree exists, and the work fixture can only position the workpiece at different angles in the vertical direction, so that the processing requirements of some special angles of customers cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-axis pneumatic tool clamp which can position a workpiece in a multi-axis manner and realize external clamping.

In order to achieve the purpose, the utility model provides a multi-axis pneumatic tool clamp which comprises a three-surface base and a clamp assembly, wherein the three-surface base is provided with three sequentially connected installation inclined surfaces along the circumferential direction of the three-surface base, each installation inclined surface is connected with a gas channel formed in the three-surface base, and the gas outlet end of each gas channel is arranged on the installation inclined surface; each installation inclined plane is provided with the clamp assembly, each clamp assembly comprises a shaft center piece, a shell, a shaft sleeve, a ball, a pull nail, a universal connecting assembly and a clamp body, the shaft center piece is arranged on the installation inclined plane, the shaft center piece is provided with a jack in the vertical direction, the side wall of the shaft center piece is provided with a through hole communicated with the jack, the shell is fixed on the installation inclined plane and sleeved on the outer side of the shaft center piece, the upper part of the shell is provided with a bulge, an installation space is defined by the installation inclined plane, the shaft center piece and the shell, the ball is movably arranged in the through hole, the shaft sleeve is arranged in the installation space and positioned above the air outlet end of the air hole, and the shaft sleeve can be sleeved on the outer side of the shaft center piece in an up-and-down sliding mode; the lower end of the blind rivet is inserted into the jack, the upper end of the blind rivet is connected with the universal connecting component, a groove is formed in the bottom of the universal connecting component, the protrusion is connected with the groove in a clamping mode, and the clamp body is installed on the upper portion of the universal connecting component and used for clamping and fixing a product; the shaft sleeve is abutted against the ball, so that the ball protrudes to the jack and clamps the blind rivet in the jack, or external air enters the air hole to push the shaft sleeve to slide upwards and release the ball, so that the blind rivet is unlocked.

Preferably, the inclination angle of each installation inclined plane relative to the horizontal plane is the same.

Preferably, a positioning column for positioning the housing is arranged on the installation inclined plane.

Preferably, the universal connecting assembly comprises a bottom plate and a positioning piece, the positioning piece is arranged below the bottom plate and is provided with an elastic structure, the upper end of the blind rivet is inserted into the bottom plate, the groove is formed in the bottom of the positioning piece and is in interference fit with the protrusion, and the clamp body is arranged on the upper portion of the bottom plate.

Preferably, a positioning block is arranged at the upper part of the shell, and the protrusion is arranged on the positioning block.

Preferably, the socket extends through the hub.

Preferably, a plurality of the through holes are distributed on the side wall of the axle center piece along the circumferential direction of the axle center piece, and each through hole is provided with the ball.

Preferably, the inner side of the shaft sleeve is provided with a driving inclined plane for pushing or releasing the ball.

Preferably, the side wall of the blind rivet is provided with a clamping groove for clamping the ball.

Preferably, the multi-axis pneumatic tool clamp further comprises elastic members for restoring the shaft sleeve, and the elastic members are respectively arranged between the shaft sleeve and the housing along the sliding direction of the shaft sleeve.

Compared with the prior art, the multi-axial pneumatic tool clamp has the advantages that the three-surface base is arranged, the three mounting inclined surfaces which are sequentially connected are arranged in the side surface direction of the three-surface base, so that the three clamp assemblies are mounted on the corresponding mounting inclined surfaces at different axial degrees, and the clamp assemblies fix and position a plurality of products at different angles of the tool clamp; and the ball is abutted by the shaft sleeve, so that the ball protrudes to the jack and clamps the blind rivet positioned in the jack, the blind rivet is fixedly installed on the clamp body of the universal connecting component, or the external air enters the air hole to push the shaft sleeve to slide upwards and release the ball, and the blind rivet is released, so that the universal connecting component and the clamp body can be quickly detached, the original manual vice clamping is replaced, the external clamping is realized, the pneumatic quick-change clamping speed is higher, the clamping is convenient and fast, the flexibility and the universality are strong, the universal simple and easy-to-operate clamping is realized, the air valve is opened to install the tool and then the air valve is closed to finish the charging operation, the time is saved, the tool adjusting preparation period is shortened, the operation difficulty is reduced, and the clamp design standard module and the mode of a plurality of machines can be opened by one person are realized simultaneously, and the advantages of convenience in manufacture, low cost, high efficiency and the like are realized.

Drawings

Figure 1 is a top view of a multi-axis pneumatic tool holder of the present invention.

Figure 2 is a front view of the multi-axis pneumatic tool holder of the present invention.

Fig. 3 is a sectional view taken in the direction of a-a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 2.

Fig. 5 is an enlarged view at C in fig. 3.

FIG. 6 is an exploded view of one of the clamp assemblies of FIG. 2.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 6, a multi-axis pneumatic tool clamp 100 of the present invention includes a three-sided base 1 and a clamp assembly 2. The three-sided base 1 is provided with three installation inclined planes 11 which are sequentially connected along the circumferential direction of the three-sided base, each installation inclined plane 11 is connected with a gas channel 12 formed in the three-sided base 1, the gas outlet end of the gas channel 12 is arranged on the installation inclined plane 11, and the gas inlet end of the gas channel 12 is arranged on the side wall of the three-sided base 1, but not limited to the above. Each mounting ramp 11 is provided with a clamp assembly 2. The clamp assembly 2 comprises a shaft core piece 21, a shell 22, a shaft sleeve 23, a ball 24, a blind rivet 25, a universal connecting assembly 26 and a clamp body 27; the axle center piece 21 is arranged on the installation inclined plane 11, the axle center piece 21 is provided with an insertion hole 211 along the up-down direction, the insertion hole 211 penetrates through the axle center piece 21, the side wall of the axle center piece 21 is provided with a through hole 212 communicated with the insertion hole 211, the shell 22 is fixed on the installation inclined plane 11 and sleeved on the outer side of the axle center piece 21, the upper part of the shell 22 is provided with a bulge 221a, an installation space is surrounded by the installation inclined plane 11, the axle center piece 21 and the shell 22, the ball 24 is movably arranged in the through hole 212, the axle sleeve 23 is arranged in the installation space and positioned above the air outlet end of the air hole, and the axle sleeve 23 can be sleeved on the outer side of the axle center piece 21 in an up-down sliding manner; the lower end of the rivet 25 is inserted into the insertion hole 211, the upper end of the rivet 25 is connected with the universal connecting assembly 26, the bottom of the universal connecting assembly 26 is provided with a groove 262a, the protrusion 221a is connected with the groove 262a in a clamping manner, and the clamp body 27 is arranged on the upper portion of the universal connecting assembly 26 and used for clamping and fixing the product 200; the ball 24 protrudes into the insertion hole 211 and clamps the rivet 25 in the insertion hole 211 by the sleeve 23 abutting against the ball 24, so as to be fixedly mounted on the clamp body 27 of the universal connection assembly 26, or the external air enters the air hole to push the sleeve 23 to slide upwards and release the ball 24, so as to release the rivet 25, so that the universal connection assembly 26 and the clamp body 27 can be quickly detached.

Referring to fig. 1 and 6, in the present embodiment, the inclined angles of the installation inclined surfaces 11 are the same with respect to the horizontal plane, and the three installation inclined surfaces 11 are uniformly distributed along the circumferential direction of the three-sided base 1. Furthermore, the mounting inclined plane 11 is provided with a positioning column 111 for positioning the housing 22. The housing 22 is inserted into the positioning post 111, so that the housing 22 can be quickly mounted on the installation slant 11.

Referring to fig. 2 to 4, the universal connecting assembly 26 includes a bottom plate 261 and a positioning plate 262, the positioning plate 262 is disposed below the bottom plate 261, the positioning plate 262 has an elastic structure, the upper end of the rivet 25 is inserted into the bottom plate 261, a groove 262a is disposed at the bottom of the positioning plate 262, the groove 262a is in interference fit with the protrusion 221a, and the clamp body 27 is mounted on the upper portion of the bottom plate 261. Because the positioning plate 262 has an elastic structure, the protrusion 221a on the upper portion of the outer shell 22 is engaged with the groove 262a of the positioning plate 262 to form an interference fit, and the positioning plate 262 naturally deforms upwards, so that the connection stability of the positioning plate 262 and the outer shell 22 is fully ensured.

Referring to fig. 4, a positioning block 221 is disposed on the upper portion of the housing 22, and a protrusion 221a is disposed on the positioning block 221. Specifically, the positioning blocks 221 are uniformly distributed on the housing 22 along the same circumferential direction. In the present embodiment, the number of the positioning blocks 221 is four, but not limited thereto.

Referring to fig. 5 and 6, a plurality of through holes 212 are distributed on the sidewall of the core member 21 along the circumferential direction of the core member 21, and each through hole 212 is provided with a ball 24. By providing a plurality of balls 24, the blind rivet 25 is clamped more firmly. The inner side of the sleeve 23 is provided with a driving slope 231 for pushing or releasing the balls 24. By driving the sleeve 23 to slide upwards, the sleeve 23 releases the balls 24 by the driving inclined plane 231 and no longer abuts against the balls 24, and by driving the sleeve 23 to slide downwards, the sleeve 23 abuts against the balls 24 by the driving inclined plane 231, so that the sleeve 23 finally abuts against the balls 24 to extend out of the insertion hole 211. The inner side of the sleeve 23 may be provided with a chute having the driving slope 231, but not limited thereto. Further, the side wall of the blind rivet 25 is provided with a clamping groove 251 for clamping the ball 24.

Referring to fig. 3 and 6, the multi-axis pneumatic tooling fixture 100 of the present invention further includes an elastic member 28 for restoring the shaft sleeve 23, and the elastic members 28 are respectively disposed between the shaft sleeve 23 and the housing 22 along the sliding direction of the shaft sleeve 23. When the external air pump supplies air to the air hole, the air pushes the shaft sleeve 23 to slide upwards and compress the elastic element 28. After the external air pump is disconnected to supply air to the air hole, the shaft sleeve 23 can slide downwards to be reset under the elastic restoring force of the elastic piece 28. But not limited thereto, for example, the sleeve 23 may slide downward under its own weight. Wherein, the shaft sleeve 23 and the shell 22 can be provided with a slot hole for the elastic element 28 to be inserted.

With reference to fig. 1 to 6, the general mounting base for the pneumatic tool has the following specific working principle:

air is supplied to the air hole through an external air pump to push the shaft sleeve 23 to slide upwards and release the ball 24, the universal connecting assembly 26 is inserted into the insertion hole 211 of the shaft core piece 21 through the pull nail 25, and the protrusion 221a on the shell 22 is in clamping connection with the groove 262a of the positioning piece 262 of the universal connecting assembly 26. Then the external air pump is disconnected to supply air to the air hole, the shaft sleeve 23 slides downwards under the action of the elastic restoring force of the elastic piece 28 and pushes against the ball 24 again, so that the ball 24 protrudes to the insertion hole 211 and clamps the blind rivet 25, and the universal connecting assembly 26 and the clamp body 27 mounted on the universal connecting assembly 26 are fixedly positioned.

In summary, the multi-axial pneumatic tool clamp 100 of the present invention is provided with the three-sided base 1, and the three mounting inclined planes 11 connected in sequence are arranged in the side direction of the three-sided base 1, so that the three clamp assemblies 2 are mounted on the corresponding mounting inclined planes 11 at different axial degrees, and the clamp assemblies 2 fix and position a plurality of products 200 at different angles of the tool clamp, therefore, the multi-axial pneumatic tool clamp 100 of the present invention can position a workpiece at multiple axial degrees, thereby satisfying the processing requirements of customers; in addition, the shaft sleeve 23 is abutted against the ball 24, so that the ball 24 protrudes to the jack 211 and clamps the rivet 25 positioned in the jack 211, and the rivet is fixedly installed on the clamp body 27 of the universal connecting component 26, or external air enters the air hole to push the shaft sleeve 23 to slide upwards and release the ball 24, so that the rivet 25 is locked and released, the universal connecting component 26 and the clamp body 27 can be quickly detached, the original manual vice clamping is replaced, the machine external clamping is realized, the pneumatic quick-change clamping speed is higher, convenience and convenience are realized, the flexibility is strong, the universal quick-change clamping operation is realized, the clamping is realized, the loading operation is completed by opening the air valve to load the tool and then closing the air valve, the time is saved, the tool adjusting preparation period is shortened, the operation difficulty is reduced, the standard module of the clamp design and the mode of opening several machines by one person are realized at the same time, and the advantages of convenience in manufacture, low cost, high efficiency and the like are realized.

The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the utility model, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the utility model.

Claims

1. The multi-axis pneumatic tool clamp is characterized by comprising a three-surface base and a clamp assembly, wherein the three-surface base is provided with three sequentially connected installation inclined surfaces along the circumferential direction of the three-surface base, each installation inclined surface is connected with a gas channel formed in the three-surface base, and the gas outlet end of each gas channel is arranged on the installation inclined surface; each installation inclined plane is provided with the clamp assembly, each clamp assembly comprises a shaft center piece, a shell, a shaft sleeve, a ball, a pull nail, a universal connecting assembly and a clamp body, the shaft center piece is arranged on the installation inclined plane, the shaft center piece is provided with a jack in the vertical direction, the side wall of the shaft center piece is provided with a through hole communicated with the jack, the shell is fixed on the installation inclined plane and sleeved on the outer side of the shaft center piece, the upper part of the shell is provided with a bulge, an installation space is defined by the installation inclined plane, the shaft center piece and the shell, the ball is movably arranged in the through hole, the shaft sleeve is arranged in the installation space and positioned above the air outlet end of the air hole, and the shaft sleeve can be sleeved on the outer side of the shaft center piece in an up-and-down sliding mode; the lower end of the blind rivet is inserted into the jack, the upper end of the blind rivet is connected with the universal connecting component, a groove is formed in the bottom of the universal connecting component, the protrusion is connected with the groove in a clamping mode, and the clamp body is installed on the upper portion of the universal connecting component and used for clamping and fixing a product; the shaft sleeve is abutted against the ball, so that the ball protrudes to the jack and clamps the blind rivet in the jack, or external air enters the air hole to push the shaft sleeve to slide upwards and release the ball, so that the blind rivet is unlocked.

2. The multi-axis pneumatic tool fixture of claim 1, wherein the mounting ramps are inclined at the same angle relative to a horizontal plane.

3. The multi-axis pneumatic tooling fixture of claim 1, wherein the mounting ramps have locating posts thereon for locating the housing.

4. The multi-axis pneumatic tool clamp of claim 1, wherein the universal connecting assembly comprises a bottom plate and a positioning piece, the positioning piece is arranged below the bottom plate and is provided with an elastic structure, the upper end of the pull nail is inserted into the bottom plate, the groove is arranged at the bottom of the positioning piece and is in interference fit with the protrusion, and the clamp body is arranged on the upper portion of the bottom plate.

5. The multi-axis pneumatic tool clamp of claim 1, wherein a locating block is provided on an upper portion of the housing, and the protrusion is provided on the locating block.

6. The multi-axis pneumatic tool clamp of claim 1, wherein the socket extends through the hub.

7. The multi-axis pneumatic tooling fixture of claim 1 wherein a plurality of said perforations are circumferentially distributed about said mandrel member on a sidewall thereof, each of said perforations being provided with said ball bearing.

8. The multi-axis pneumatic tooling fixture of claim 1, wherein the inner side of the bushing is provided with a driving bevel for pushing or releasing the balls.

9. The multi-axis pneumatic tool fixture of claim 1, wherein the side walls of the pull stud are provided with clamping grooves for the balls to clamp.

10. The multi-axis pneumatic tool clamp of claim 1, further comprising elastic members for restoring the bushing, wherein the elastic members are respectively disposed between the bushing and the housing along a sliding direction of the bushing.