CN213646706U

CN213646706U - Hole positioning internal expanding clamp

Info

Publication number: CN213646706U
Application number: CN202022374350.8U
Authority: CN
Inventors: 张凌峰; 李卫华; 张飞; 张景秋; 甘瑶
Original assignee: Dongguan Billion Technology Ltd
Current assignee: Dongguan Billion Technology Ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-07-09
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a hole location internal expanding anchor clamps. This hole location internal expanding anchor clamps include: the clamping assembly comprises an expansion pin and an expansion pin screw arranged on the expansion pin; the shifting assembly comprises a moving component connected with the pin expanding screw and a taper component connected with the moving component, and when the taper component moves perpendicular to the pin expanding screw, the moving component is pushed to move towards the direction far away from or close to the pin expanding screw. The hole positioning internal expansion clamp of the utility model does not need to be made into a profiling clamp, and the device can be adapted to various workpieces, thereby reducing the clamping cost; the workpiece is clamped inside, and the workpiece can be prevented from deforming due to the fact that enough supporting force is provided inside.

Description

Hole positioning internal expanding clamp

Technical Field

The utility model belongs to the technical field of the work piece processing, concretely relates to hole location internal expanding anchor clamps.

Background

The irregular part with holes has irregular appearance, no conventional clamping position, unstable appearance size, inaccurate appearance positioning, high manufacturing cost and long manufacturing time, and is often required to manufacture a profiling clamp. And the special fixture is generally clamped outside the part, the internal supporting force is insufficient, and the deformation is easy to generate.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a hole location internal expanding clamp.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a hole-locating internal-expansion clamp, comprising:

the clamping assembly comprises an expansion pin and an expansion pin screw arranged on the expansion pin;

the shifting assembly comprises a moving component connected with the pin expanding screw and a taper component connected with the moving component, and when the taper component moves perpendicular to the pin expanding screw, the moving component is pushed to move towards the direction far away from or close to the pin expanding screw.

According to the hole positioning inner expanding clamp, the expanding pin is matched with the inner hole of the irregular workpiece in a mode that the expanding pin is matched with the expanding pin screw, so that the workpiece is clamped, a profiling clamp is not required to be manufactured, the device can be adapted to various workpieces, and the clamping cost is reduced; the workpiece is clamped inside, and the workpiece can be prevented from deforming due to the fact that enough supporting force is provided inside.

In one embodiment, the moving part comprises a moving block and a pin connected with the moving block, and the taper part is connected with the pin.

In one embodiment, the tapered member has a ramp that abuts the pin.

In one embodiment, the hole positioning internal expansion clamp further comprises a supporting assembly, the supporting assembly comprises a supporting block, the displacement assembly further comprises an elastic piece, one end of the elastic piece is connected with the moving block, and the other end of the elastic piece is connected with the supporting block.

In one embodiment, the supporting block is provided with a buffering hole, and the elastic member is accommodated in the buffering hole.

In one embodiment, the supporting assembly further includes a mounting block, the mounting block has a receiving channel formed from a side portion toward an inside, and the expanding pin extends from a top surface of the mounting block toward the receiving channel.

In an embodiment, the top surface of the mounting block is provided with a first step and a second step, the first step is provided with a first receiving channel facing the inside of the mounting block, the second step is provided with a second receiving channel facing the inside of the mounting block, and the number of the expansion pins is two and the two expansion pins are respectively located in the first receiving channel and the second receiving channel.

In one embodiment, the mounting block is provided with a third accommodating channel from the side surface to the inside, and the taper part extends from the outside of the mounting block to the inside of the third accommodating channel.

In one embodiment, the taper part is a taper screw.

Drawings

Fig. 1 is a schematic structural view of a hole-positioning internal-expanding jig according to an embodiment of the present invention;

FIG. 2 is a schematic view of the hole-locating internal expansion clamp of FIG. 1 with the workpiece removed;

FIG. 3 is a schematic view of the hole-locating internal expansion clamp of FIG. 2 with the mounting block removed;

FIG. 4 is an exploded view of the hole-locating internal expansion clamp of FIG. 3;

fig. 5 is a schematic structural view of a mounting block of the hole-positioning internal expanding clamp of fig. 1.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 2 and 3, a hole positioning internal expanding fixture 100 according to an embodiment of the present invention includes a clamping assembly 10 and a shifting assembly 20, referring to fig. 1, the clamping assembly 10 is used for clamping a fixed workpiece 30, and the shifting assembly 20 is used for driving a part of the clamping assembly 10 to move, so that the clamping assembly 10 can realize a clamping fixing function.

Referring to fig. 2 and 3, the clamping assembly 10 includes an expansion pin 11 and an expansion pin screw 12 mounted on the expansion pin 11, and when the expansion pin screw 12 moves in the expansion pin 11, the expansion pin 11 is pressed to expand the diameter of the expansion pin 11, thereby clamping the workpiece 30.

The displacement assembly 20 comprises a moving member 21 connected with the pin expanding screw 12 and a taper member 22 connected with the moving member 21, and when the taper member 22 moves perpendicular to the pin expanding 11, the moving member 21 is pushed to move towards the direction far away from or close to the pin expanding 11. In one embodiment, when the taper part 22 pushes the moving part 21 to move away from the expanding pin 11, the expanding pin screw 12 presses the expanding pin 11 to clamp the workpiece 30; when the taper part 22 pushes the moving part 21 to move towards the direction close to the expanding pin 11, the expanding pin screw 12 is reset, and the workpiece 30 is loosened.

Referring to fig. 3, in an embodiment, the moving member 21 includes a moving block 23 and a pin 24 connected to the moving block 23, and the taper member 22 is connected to the pin 24. When the taper part 22 moves perpendicular to the direction of the expansion pin 11, the pin 24 is pushed to move, and the pin 24 drives the moving block 23 to move. With such a structural arrangement, the moving part 21 is more stable in moving, and the tapered part 22 can push the moving part 21 to move more easily.

Referring to fig. 4, in one embodiment, the tapered member 22 has a slope 25, and the slope 25 abuts the pin 24. The pin 24 is moved by the tapered member 22 moving a short distance in a ramped manner.

In one embodiment, the tapered member 22 is a tapered screw. Of course, in other embodiments, the tapered member 22 may be other beveled members to accomplish its purpose.

Referring to fig. 1, in an embodiment, the hole positioning internal expansion fixture 100 further includes a support assembly 40, the support assembly 40 includes a support block 41, referring to fig. 3, the displacement assembly 20 further includes an elastic member 26, one end of the elastic member 26 is connected to the moving block 23, and the other end is connected to the support block 41. The elastic piece 26 is adopted to connect the moving block 23 and the supporting block 41, so that the moving block 23 can be buffered when moving, excessive displacement is prevented, and the stability of movement is ensured. The elastic member 26 may be a spring, a leaf spring, or other elastic members. In this embodiment, the elastic member 26 is a spring.

Referring to fig. 3 and 4, in an embodiment, the supporting block 41 is provided with a buffering hole 42, and the elastic member 26 is accommodated in the buffering hole 42. The use of the relief hole 42 ensures that the resilient member 26 is not deflected in its sound-emitting position.

Referring to fig. 1, in an embodiment, the supporting assembly 40 further includes a mounting block 43, the mounting block 43 has a receiving channel 44 from a side portion toward an inside portion, and referring to fig. 2, the expanding pin 11 extends from a top surface of the mounting block 43 toward the receiving channel 44. The installation block 43 is adopted to accommodate all parts, so that the appearance of the whole device is attractive and the operation is stable.

Referring to fig. 5, in an embodiment, the top surface of the mounting block 43 is provided with a first step 45 and a second step 46, the first step 45 is provided with a first receiving channel 440 facing the inside of the mounting block 43, the second step 46 is provided with a second receiving channel 441 facing the inside of the mounting block 43, and the number of the expanding pins 12 is two and is respectively located in the first receiving channel 440 and the second receiving channel 441.

In one embodiment, the mounting block 43 defines a third receiving channel 442 from a side surface toward an inside, and the tapered member 22 extends from an outside of the mounting block 43 into the third receiving channel 442. The tapered member 22 is housed in the mounting block 43, and the stability of movement of the tapered member 22 can be ensured.

When the hole positioning internal expansion clamp 100 works, a workpiece 30 is firstly installed on an expansion pin 11, the expansion pin 11 extends into a hole of the workpiece 30, a taper screw 22 is rotated to press a pin 24 to move downwards, the pin 24 drives a moving block 23 to move downwards, an expansion pin screw 12 moves downwards along with the pin, and the expansion pin 11 is extruded to clamp the workpiece 30; after the machining is completed, the taper screw 22 is reset by rotating, and the workpiece 30 is loosened.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a hole location internal expanding anchor clamps which characterized in that includes:

2. The hole-locating internal expanding clamp of claim 1, wherein the moving member comprises a moving block and a pin connected to the moving block, and the tapered member is connected to the pin.

3. The hole-locating internal expansion clamp of claim 2, wherein the tapered member has a ramp surface that abuts the pin.

4. The hole positioning internal expanding clamp according to claim 2 or 3, further comprising a support assembly, wherein the support assembly comprises a support block, the displacement assembly further comprises an elastic member, one end of the elastic member is connected with the moving block, and the other end of the elastic member is connected with the support block.

5. The hole-positioning internal expansion clamp of claim 4, wherein the supporting block is provided with a buffering hole, and the elastic member is accommodated in the buffering hole.

6. The hole-positioning internal expanding clamp of claim 4, wherein the support assembly further comprises a mounting block, the mounting block is provided with a receiving channel from the side part to the inside, and the expanding pin extends from the top surface of the mounting block to the inside of the receiving channel.

7. The hole-positioning internal expanding clamp of claim 6, wherein the top surface of the mounting block is provided with a first step and a second step, the first step is provided with a first receiving channel facing the inside of the mounting block, the second step is provided with a second receiving channel facing the inside of the mounting block, and the number of the expanding pins is two, and the two expanding pins are respectively located in the first receiving channel and the second receiving channel.

8. The hole-positioning internal expansion clamp of claim 6, wherein the mounting block is provided with a third receiving channel from the side surface towards the inside, and the taper part extends from the outside of the mounting block to the inside of the third receiving channel.

9. The hole-locating internal expansion clamp of claim 1, wherein the tapered member is a tapered screw.