CN212859152U

CN212859152U - Small-size clamping device

Info

Publication number: CN212859152U
Application number: CN202021002991.4U
Authority: CN
Inventors: 刘利平
Original assignee: Guanghzou Hongli Automation Technology Co ltd
Current assignee: Guanghzou Hongli Automation Technology Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-04-02
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses a small-sized clamping device, belonging to the technical field of positioning pin equipment with variable diameter, which comprises a body bracket, a cylinder, a connecting rod shaft, a conical inclined wedge block, an elastic positioning pin and an elastic positioning pin fixing bracket, a through hole is arranged in the middle of the body bracket, the air cylinder is fixedly arranged at the bottom of the body bracket, the output change end of the air cylinder extends to the inner wall of the through hole, the cylinder output is fixedly provided with a transmission rod, one end of the transmission rod, far away from the cylinder, is fixedly provided with the connecting rod shaft, the connecting rod shaft is sleeved on the inner wall of the through hole, the conical inclined wedge block is fixedly arranged at the top of the connecting rod shaft, the structure design of the utility model is scientific and reasonable, parts to be positioned are put in place at the moment, then the cylinder retracts, the positioning pin expands, the locating pin is in big footpath state promptly, fixes the part, and this device can solve the problem that prior art locating pin jamming influences production.

Description

Small-size clamping device

Technical Field

The utility model relates to a but variable diameter's locating pin equipment technical field specifically is a small-size clamping device.

Background

The existing technology is used for positioning a positioning pin with a fixed diameter, the positioning pin is held back after welding deformation of parts, the positioning pin is difficult to take out, a cylinder with an ultra-large cylinder diameter is often required to withdraw the pin, the positioning pin mechanism is large, the occupied space is poor, the effect is poor, and the clamping stagnation is easy to cause faults.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The utility model discloses in view of the problem that exists among the small-size clamping device of current, provided.

Therefore, the utility model aims at providing a small-size clamping device can solve the above-mentioned prior art that proposes and fix a position for fixed diameter locating pin, holds back the locating pin after the part welding warp, leads to the locating pin to take out the difficulty, often needs the cylinder of super large bore to move back the round pin, causes that locating pin mechanism is huge, occupation space and effect are not good, the problem of easy jamming trouble.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a compact clamping device, comprising: the body support is provided with a through hole in the middle, the bottom of the body support is fixedly mounted with the air cylinder, the output end of the air cylinder extends to the inner wall of the through hole, the output end of the air cylinder is fixedly mounted with a transmission rod, the transmission rod is far away from one end of the air cylinder and fixedly mounted with the connection rod shaft, the connection rod shaft is sleeved on the inner wall of the through hole, the top of the connection rod shaft is fixedly mounted with the tapered oblique wedge, the outer wall of the tapered oblique wedge is provided with the elastic positioning pin, the lower part of the outer wall of the elastic positioning pin is sleeved with the elastic positioning pin fixing support, and the bottom of the elastic positioning pin fixing support is fixedly mounted on the body support.

As a preferred scheme of a small-size clamping device, wherein: and an internal thread hole connecting bolt is arranged in the middle of the conical inclined wedge block, and the bottom of the bolt is connected with the connecting rod shaft.

As a preferred scheme of a small-size clamping device, wherein: an outer concave surface is arranged in the middle of the outer wall of the elastic positioning pin, and the bottom of the outer wall of the outer concave surface is connected with the top of the elastic positioning pin fixing support.

As a preferred scheme of a small-size clamping device, wherein: the bottom of the elastic positioning pin is provided with a turnover face, the turnover face is clamped on the inner wall of the groove, and the groove is formed in the bottom of the inner wall of the elastic positioning pin fixing support.

As a preferred scheme of a small-size clamping device, wherein: an inclined plane is arranged above the inner wall of the elastic positioning pin and connected with the outer wall of the conical inclined wedge block.

Compared with the prior art: this kind of small-size clamping device, the locating pin of a section similar spring of existing design, it is elastic in the diameter, accessible toper wedge piece mechanism auxiliarily, reach the changeable purpose of size, can need not move back the round pin, so need not move back the cylinder of round pin yet, the cylinder that only needs general cylinder diameter is used for the locating pin auxiliarily, the core of whole mechanism is an elastically deformable's locating pin, the round pin inboard has the wedge face, through the tensile expansion and the contraction of cylinder, when the cylinder stretches out, the locating pin reduces, the locating pin is in the path state promptly, the part that needs the location this moment puts in place, then the cylinder withdrawal, the locating pin expands, the locating pin is in the big footpath state promptly, fix the part, the problem that prior art locating pin jamming influences production can be solved to this device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic view of the structure of the device of the present invention;

FIG. 2 is an external view of the device of the present invention;

fig. 3 is an effect diagram of the device of the present invention.

In the figure, a body bracket 100, a through hole 110, a cylinder 200, a transmission rod 210, a connecting rod shaft 300, a bolt 310, a tapered wedge block 400, an elastic positioning pin 500, an outer concave surface 510, an overturning surface 520, an inclined surface 530, an elastic positioning pin 600, a fixing bracket and a groove 610 are arranged.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a small-sized clamping device, which has the advantages of simple structure and convenient contraction, and please refer to fig. 1, comprising a body bracket 100, a cylinder 200, a connecting rod shaft 300, a conical inclined wedge block 400, an elastic positioning pin 500 and an elastic positioning pin fixing bracket 600;

referring to fig. 1 and 2, the cylinder 200 is fixedly installed at the bottom of the body bracket 100, the body bracket 100 includes a through hole 110, specifically, the through hole 110 is formed in the middle of the body bracket 100, and internal threaded holes (not labeled in the figures) are formed at both ends of the bottom of the body bracket 100, and the cylinder 200 is installed at the bottom of the body bracket 100 by matching external bolts with the internal threaded holes.

Referring to fig. 1, an output end of a cylinder 200 is fixedly installed on a transmission rod 210, the cylinder 200 includes the transmission rod 210, specifically, an output end of the cylinder 200 extends to an inner wall of a through hole 110, the transmission rod 210 is fixedly installed at the output end of the cylinder 200 through a hoop (not marked in the figure), a connecting rod shaft 300 is fixedly installed at one end of the transmission rod 210 away from the cylinder 200, the cylinder 200 guides a cylindrical metal part of which a piston performs linear reciprocating motion in the cylinder, air is expanded in an engine cylinder to convert thermal energy into mechanical energy, gas is compressed by the piston in a compressor cylinder to increase pressure, the cylinder 200 has a moving effect on the connecting rod shaft 300, and the transmission rod 210 has a transmission effect on the.

Referring to fig. 1 and 2, the connecting rod shaft 300 is sleeved on the inner wall of the through hole 110, the connecting rod shaft 300 includes a bolt 310, specifically, the connecting rod shaft 300 is sleeved on the inner wall of the through hole 110, a conical tapered wedge block 400 is fixedly mounted on the top of the connecting rod shaft 300, an internal threaded hole is formed in the middle of the conical tapered wedge block 400 to connect the bolt 310, the bottom of the bolt 310 is connected with the connecting rod shaft 300, the through hole 110 has a guiding effect on the connecting rod shaft 300, and the connecting rod shaft 300 has a moving effect on the conical tapered wedge block 400.

The body bracket 100 is made of a metal material.

When the device is used specifically, a person skilled in the art puts the air cylinder 200 into communication with compressed air, the device is operated, the air cylinder 200 extends out, the air cylinder 200 drives the connecting rod shaft 300 to extend, the conical inclined wedge block 400 extends out by the connecting rod shaft 300, the elastic positioning pin 500 rebounds and shrinks, the sleeve type part needing positioning can be assembled or disassembled at the moment, the device is operated, the air cylinder 200 retracts, the conical inclined wedge block 400 retracts by the connecting rod shaft 300, the elastic positioning pin 500 expands and becomes large, and the positioning part expands and tightly.

In order to make the device have the telescopic function on the elastic positioning pin 500, the outer wall of the conical wedge block 400 is provided with the elastic positioning pin 500, specifically, the inner wall of the elastic positioning pin 500 is sleeved on the body support 100, the elastic positioning pin fixing support 600 is sleeved below the outer wall of the elastic positioning pin 500, the bottom of the elastic positioning pin fixing support 600 is fixedly arranged on the body support 100, the middle of the outer wall of the elastic positioning pin 500 is provided with an outer concave surface 510, the bottom of the outer wall of the outer concave surface 510 is connected with the top of the elastic positioning pin fixing support 600, the bottom of the elastic positioning pin 500 is provided with a turning surface 520, the turning surface 520 is clamped on the inner wall of a groove 610, the groove 610 is arranged at the bottom of the inner wall of the elastic positioning pin fixing support 600, the upper part of the inner wall of the elastic positioning pin 500 is provided with an inclined surface 530, the inclined surface, the turnover surface 520 is connected with the groove 610, so that the elastic positioning pin 500 is fixed on the inner wall of the elastic positioning pin fixing bracket 600.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A small-size clamping device which characterized in that: the device comprises a body support (100), a cylinder (200), a connecting rod shaft (300), a conical inclined wedge block (400), an elastic positioning pin (500) and an elastic positioning pin fixing support (600), wherein a through hole (110) is formed in the middle of the body support (100), the cylinder (200) is fixedly installed at the bottom of the body support (100), the output changing end of the cylinder (200) extends to the inner wall of the through hole (110), a fixedly installed transmission rod (210) is output and changed by the cylinder (200), one end of the transmission rod (210) is far away from the connecting rod shaft (300) which is fixedly installed at one end of the cylinder (200), the connecting rod shaft (300) is sleeved on the inner wall of the through hole (110), the conical inclined wedge block (400) is fixedly installed at the top of the connecting rod shaft (300), the elastic positioning pin (500) is arranged on the outer wall of the conical inclined wedge block (400), and the elastic positioning pin fixing support (, the bottom of the elastic positioning pin fixing support (600) is fixedly arranged on the body support (100).

2. The small-sized clamping device as claimed in claim 1, wherein the tapered wedge block (400) is provided with a connecting bolt (310) with an internal threaded hole in the middle, and the bottom of the bolt (310) is connected with the connecting rod shaft (300).

3. A small clamping device as claimed in claim 1, wherein the elastic positioning pin (500) is provided with an outer concave surface (510) at the middle of the outer wall, and the bottom of the outer wall of the outer concave surface (510) is connected with the top of the elastic positioning pin fixing bracket (600).

4. A small holding device as claimed in claim 1, wherein the bottom of the elastic positioning pin (500) is provided with a turning surface (520), the turning surface (520) is clamped on the inner wall of the groove (610), and the groove (610) is arranged at the bottom of the inner wall of the elastic positioning pin fixing bracket (600).

5. A compact clamping device as claimed in claim 1, characterized in that the inner wall of the resilient locating pin (500) is provided with an inclined surface (530), and the inclined surface (530) connects the outer wall of the tapered wedge block (400).