CN215747841U

CN215747841U - Clamping and positioning device for machinery

Info

Publication number: CN215747841U
Application number: CN202121299578.3U
Authority: CN
Inventors: 于淑杰; 刘春玲; 刘汝道
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-02-08
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a clamping and positioning device for machinery, which comprises a base, wherein the top of the base is slidably connected with an expansion bracket, the front inside of the expansion bracket is connected with a connecting rod, the bottom of the expansion bracket is connected with a connecting block, the front of the connecting block is provided with a circular through hole, the front of the expansion bracket is connected with a limiting block, the top of the connecting rod is slidably connected with a sliding block, the side surface of the sliding block is connected with an installation block, the top of the sliding block is provided with a fixed shaft, the side surface of the installation block is fixedly connected with an arc-shaped clamping plate, the side surface of the arc-shaped clamping plate is fixedly connected with clamping teeth, the top of the base is provided with a rectangular groove, the side surface of the rectangular groove is in threaded connection with a screw rod, and the side surface of the screw rod is connected with a motor. This machinery is with pressing from both sides tight positioner can be different according to the model of steel pipe, adjusts the interval of two sliders, changes the distance of centre gripping, has the sponge layer to exist simultaneously, makes the dynamics of centre gripping reach the biggest, can die the steel pipe clamp, and the surface has the skid resistant course to be connected with the steel pipe, avoids the steel pipe to drop, and the structure can the steel pipe of the different models of centre gripping and fix a position.

Description

Clamping and positioning device for machinery

Technical Field

The utility model relates to the technical field of machining, in particular to a clamping and positioning device for machinery.

Background

A seamless steel pipe is a long steel bar having a hollow cross section and no seam at the periphery. The steel pipe has a hollow cross section, and is used as a large number of pipes for transporting fluid, and since the circular area is the largest under the condition of equal circumference, more fluid can be transported by the circular pipe. When the section of the circular ring bears the internal or external radial pressure, the stress is uniform, so that most of the steel pipes are circular pipes. In the practical use of the steel pipe, welding is mostly needed so as to obtain a proper length, so that a mechanical clamping and positioning device is needed in the welding process.

Because the size of present work piece is more, the position of work piece takes place to remove easily in the course of working to the work piece for the clamp to the work piece is insecure, and the clamping of most devices and positioner are two devices, and work efficiency is lower when using, so need one to have the device of clamp and location simultaneously.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a clamping and positioning device for machine, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a machinery is with pressing from both sides tight positioner, includes the base, the top fixedly connected with adjustment mechanism of base, adjustment mechanism's side is provided with fixture.

Adjustment mechanism includes the expansion bracket, the inside fixedly connected with connecting rod in front of expansion bracket, circular through-hole has been seted up in the front of connecting block, the positive fixedly connected with stopper of expansion bracket, the top sliding connection of connecting rod has the slider, the side fixedly connected with installation piece of slider, the top of slider are provided with the fixed axle, and the rectangular channel has been seted up at the top of base, the side threaded connection of rectangular channel has the screw rod, the side fixedly connected with motor of screw rod.

The clamping mechanism comprises an arc-shaped clamping plate, wherein clamping teeth are fixedly connected to the side faces of the arc-shaped clamping plate, a sponge layer is fixedly connected to the inner portions of the clamping teeth, an elastic layer is fixedly connected to the side faces of the sponge layer, and an anti-slip layer is fixedly connected to the side faces of the elastic layer.

Preferably, the number of expansion bracket is two, two the expansion bracket is connected respectively in the both sides at base top, and the left side the expansion bracket removes, and the right side the expansion bracket is fixed connection at the top of base.

Preferably, the number of the motors is two, the two motors are both s87 speed reducers, the rated power is 200w, the rated voltage is 220v, the rotating speed is 1400 revolutions, and the two motors rotate synchronously.

Preferably, the aperture size of the circular through hole is consistent with the diameter length of the bottom surface of the screw rod, the size of the connecting block is larger than that of the circular through hole, and the area of the connecting block is completely consistent with that of the rectangular groove.

Preferably, the clamping teeth are internally provided with a sponge layer, an elastic layer and an anti-slip layer, the sponge layer is arranged inside the elastic layer, and the elastic layer is arranged inside the anti-slip layer.

Preferably, the anti-skid layer is arranged at the outer end of the clamping teeth when being clamped, and the sum of the sponge layer, the elastic layer and the anti-skid layer is larger than the length of the clamping teeth.

Preferably, the number of the telescopic frames is two, the distance between the two telescopic frames is the same as the distance between the two screw rods, and the telescopic frames are connected with the screw rods through threads.

Compared with the prior art, the utility model has the beneficial effects that:

1. this machinery is with pressing from both sides tight positioner can be different according to the model of steel pipe, adjusts the interval between two sliders, changes the distance of centre gripping, and specific operation is as, opens the motor earlier, and the screw rod rotates, makes the expansion bracket can reciprocate on the screw rod, changes the interval between the upper and lower arc splint to change the centre gripping distance.

2. This machinery is with pressing from both sides tight positioner, through being provided with the slider, remove the slider, the interval between two arc splint about the change, press from both sides tight tooth and can press from both sides the steel pipe tight the time, press down the fixed axle, it is fixed with the slider, at this moment, press from both sides the structure in the tight tooth and in the extrusion, because the sponge layer inwards extrudees can't be at the extrusion, make the dynamics of centre gripping reach the biggest, can die the steel pipe clamp, and simultaneously, there is the skid resistant course on the surface to be connected with the steel pipe, avoid the steel pipe to drop, the structure can the steel pipe of the different models of centre gripping and fix a position.

Drawings

FIG. 1 is a schematic structural view in elevation of the present invention;

FIG. 2 is a schematic structural view in elevation section of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic structural view of the arc splint of the present invention;

FIG. 5 is a schematic view of a clamping tooth according to the present invention;

fig. 6 is a schematic structural view in front view of the connecting block of the present invention.

In the figure: 1. a base; 2. an adjustment mechanism; 201. a fixed shaft; 202. mounting blocks; 203. a motor; 204. A screw; 205. a rectangular groove; 206. a telescopic frame; 207. a limiting block; 208. a slider; 209. a connecting rod; 210. connecting blocks; 211. a circular through hole; 3. a clamping mechanism; 301. an arc-shaped splint; 302. a clamping tooth; 303. a sponge layer; 304. an elastic layer; 305. and an anti-slip layer.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-6, the present invention provides a technical solution: a clamping and positioning device for machinery comprises a base 1, wherein the top of the base 1 is slidably connected with an expansion bracket 206, the front inside of the expansion bracket 206 is fixedly connected with a connecting rod 209, the number of the expansion brackets 206 is two, the two expansion brackets 206 are respectively connected with the left side and the right side of the top of the base 1, the expansion bracket 206 can move up and down, so that the height of an arc-shaped clamping plate 301 can be changed, the left expansion bracket 206 can move, the right expansion bracket 206 is fixedly connected with the top of the base 1, the bottom of the expansion bracket 206 is fixedly connected with a connecting block 210, the number of the expansion brackets 206 is two, the distance between the two expansion brackets 206 is the same as the distance between two screw rods 204, the screw rods 204 can enable the expansion bracket 206 to move to be close to the distance between the two arc-shaped clamping plates 301, the expansion bracket 206 is connected with the screw rods 204 through threads, the front of the connecting block 210 is provided with a circular through hole 211, the inside of the circular through hole 211 penetrates through the screw rod 204 to enable the telescopic frame 206 to move, the aperture size of the circular through hole 211 is consistent with the diameter length of the bottom surface of the screw rod 204, the size of the connecting block 210 is larger than that of the circular through hole 211, the area of the connecting block 210 is completely consistent with that of the rectangular groove 205, the front surface of the telescopic frame 206 is fixedly connected with the limiting block 207, the top of the connecting rod 209 is slidably connected with the sliding block 208, the side surface of the sliding block 208 is fixedly connected with the mounting block 202, the sliding block 208 moves on the connecting rod 209 to change the distance between the left arc-shaped clamping plate 301 and the right arc-shaped clamping plate 301, the top of the sliding block 208 is provided with the fixing shaft 201, the side surface of the mounting block 202 is fixedly connected with the arc-shaped clamping plate 301, the side surface of the arc-shaped clamping plate 301 is fixedly connected with the clamping teeth 302, the clamping teeth 302 are used for clamping steel pipes of different types, and the sponge layer 303 is fixedly connected inside the clamping teeth 302, there is sponge layer 303 inside of pressing from both sides tight tooth 302, elastic layer 304, skid resistant course 305, sponge layer 303 is in the inside of elastic layer 304, skid resistant course 305 is in the outer end of pressing from both sides tight tooth 302 in the position of pressing from both sides when tight, sponge layer 303, elastic layer 304, skid resistant course 305 three adds up and will be greater than the length of pressing from both sides tight tooth 302, elastic layer 304 is in the inside of skid resistant course 305, the side fixedly connected with elastic layer 304 of sponge layer 303, the side fixedly connected with skid resistant course 305 of elastic layer 304, rectangular channel 205 has been seted up at the top of base 1, the side threaded connection of rectangular channel 205 has screw rod 204, the side fixedly connected with motor 203 of screw rod 204, the effect of motor 203 is used for the drive, make expansion bracket 206 can reciprocate, the quantity of motor 203 is two, the model of two motors 203 all is the speed reducer of s87, rated power is 200w, rated voltage is 220v, rotational speed 1400 changes, and two motors 203 synchronous rotations.

The working principle is as follows: this machinery is with pressing from both sides tight positioner, can be different according to the model of steel pipe, adjust the interval between two sliders 208, change the distance of centre gripping, specific operation is, open motor 203 earlier, screw rod 204 rotates, make expansion bracket 206 can reciprocate on screw rod 204, change the interval between the arc splint 301 about the change, and simultaneously, remove slider 208, change the interval between the two arc splint 301 about, when pressing from both sides tight tooth 302 and can press from both sides the steel pipe, press down fixed axle 201, it is fixed with slider 208, at this moment, press from both sides the structure in the tooth 302 and in the extrusion, because sponge layer 303 inwards extrudees to be unable in the extrusion, make the dynamics of centre gripping reach the biggest, can die the steel pipe clamp, and simultaneously, the surface has skid resistant course 305 to be connected with the steel pipe, avoid the steel pipe to drop.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a machinery is with pressing from both sides tight positioner, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with an adjusting mechanism (2), and a clamping mechanism (3) is arranged on the side surface of the adjusting mechanism (2);

the adjusting mechanism (2) comprises an expansion bracket (206), the top of the base (1) is provided with a rectangular groove (205), the front inside of the expansion bracket (206) is fixedly connected with a connecting rod (209), the bottom of the expansion bracket (206) is fixedly connected with a connecting block (210), the front of the connecting block (210) is provided with a circular through hole (211), the front of the expansion bracket (206) is fixedly connected with a limiting block (207), the top of the connecting rod (209) is slidably connected with a sliding block (208), the side surface of the sliding block (208) is fixedly connected with an installation block (202), the top of the sliding block (208) is provided with a fixed shaft (201), the side surface of the rectangular groove (205) is in threaded connection with a screw rod (204), and the side surface of the screw rod (204) is fixedly connected with a motor (203);

fixture (3) are including arc splint (301), the side fixedly connected with of arc splint (301) presss from both sides tight tooth (302), the inside fixedly connected with sponge layer (303) of pressing from both sides tight tooth (302), the side fixedly connected with elastic layer (304) of sponge layer (303), the side fixedly connected with skid resistant course (305) of elastic layer (304).

2. A clamping and positioning device for machinery, as set forth in claim 1, wherein: the quantity of expansion bracket (206) is two, two expansion bracket (206) are connected respectively in the both sides at base (1) top, and the left side expansion bracket (206) remove, and the right side expansion bracket (206) are fixed connection at the top of base (1).

3. A clamping and positioning device for machinery, as set forth in claim 1, wherein: the number of the motors (203) is two, the models of the two motors (203) are s87 speed reducers, the rated power is 200w, the rated voltage is 220v, the rotating speed is 1400 revolutions, and the two motors (203) rotate synchronously.

4. A clamping and positioning device for machinery, as set forth in claim 1, wherein: the aperture size of the circular through hole (211) is consistent with the diameter length of the bottom surface of the screw (204), the size of the connecting block (210) is larger than that of the circular through hole (211), and the area of the connecting block (210) is completely consistent with that of the rectangular groove (205).

5. A clamping and positioning device for machinery, as set forth in claim 1, wherein: the clamping teeth (302) are internally provided with a sponge layer (303), an elastic layer (304) and an anti-slip layer (305), the sponge layer (303) is arranged inside the elastic layer (304), and the elastic layer (304) is arranged inside the anti-slip layer (305).

6. A clamping and positioning device for machinery, as set forth in claim 1, wherein: the anti-slip layer (305) is arranged at the outer end of the clamping teeth (302) when being clamped, and the sum of the sponge layer (303), the elastic layer (304) and the anti-slip layer (305) is larger than the length of the clamping teeth (302).

7. A clamping and positioning device for machinery, as set forth in claim 1, wherein: the number of the telescopic frames (206) is two, the distance between the two telescopic frames (206) is the same as the distance between the two screw rods (204), and the telescopic frames (206) are connected with the screw rods (204) through threads.