CN111660583A - Large-scale PVC union coupling is with location auxiliary device - Google Patents

Abstract

The invention discloses a positioning auxiliary device for connecting large PVC pipes, and relates to the technical field of pipe fitting processing. The invention comprises a base; a first screw rod transmission assembly is fixedly arranged between the inner surfaces of the bases; the peripheral side surface of the first screw rod transmission assembly is provided with a first positive thread part and a first negative thread part respectively; the circumferential side surface of the first screw rod transmission assembly is connected with a clamping assembly at the position corresponding to the first positive thread part and the first reverse thread part; the clamping assembly comprises a moving seat; one surface of the movable seat is connected with the first screw rod transmission assembly. According to the pipe fitting clamping device, through the clamp type design of the clamping mechanism, the pipe fitting can be placed, clamped and positioned quickly, the usability and convenience of the pipe fitting clamping device are improved, through the design of the connecting rod and the linkage seat, the three-point positioning and three-point clamping work of the pipe fitting can be completed automatically through the connecting rod structure in the clamp moving process, and then the stability of the pipe fitting clamped by the pipe fitting clamping device is effectively guaranteed.

Description

Large-scale PVC union coupling is with location auxiliary device

Technical Field

The invention belongs to the technical field of pipe fitting processing, and particularly relates to a positioning auxiliary device for connecting a large PVC pipe.

Background

The PVC pipe is mainly composed of PVC, a material added with other components for enhancing the heat resistance, toughness and ductility of the PVC pipe, the uppermost layer of the surface film is paint, the middle main component is PVC, and the lowermost layer is back-coated adhesive.

PVC tubular product is a synthetic material that is liked, popular and also widely used in the world at present, its global use amount is high second in various synthetic materials, often need use many devices in the in-process of PVC tubular product processing, when carrying out the connection of two pipe fittings, just need use clamping device to carry out spacing centre gripping to two pipe fittings that wait to connect, but current fixture mostly is fixed structure, and it can only assist the processing to go out the pipe fitting that finally is the horizontality, and can not assist the processing to go out the pipe fitting that finally is L form or other form pipe chute, therefore practicality and commonality are limited, and it is adding man-hour, inconvenient upset and the placing of pipe fitting of carrying out the pipe fitting, therefore the ease for use is lower.

Disclosure of Invention

The invention aims to provide a positioning auxiliary device for large PVC pipe connection, which solves the problems that the existing PVC pipe connection auxiliary device is inconvenient for pipe fitting placement and has single function through the design of a clamping mechanism.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a positioning auxiliary device for connecting a large PVC pipe, which comprises a base; a first screw rod transmission assembly is fixedly arranged between the inner surfaces of the bases; the peripheral side surface of the first screw rod transmission assembly is provided with a first positive thread part and a first reverse thread part respectively; the circumferential side surface of the first lead screw transmission assembly is connected with a clamping assembly at the position corresponding to the first positive thread part and the first reverse thread part; the clamping assembly comprises a moving seat; one surface of the moving seat is connected with the first screw rod transmission assembly; the top surface of the movable seat is fixedly connected with a group of electric push rods distributed in a rectangular array; the top ends of the group of electric push rods are fixedly connected with a supporting seat; one surface of the supporting seat is rotatably connected with a turnover frame through a bearing; the position of the supporting seat corresponding to the axis of the turnover frame is fixedly connected with a driving motor; one end of the output shaft of the driving motor is fixedly connected with the overturning frame; a second screw rod transmission assembly is fixedly arranged between the inner surfaces of the turnover frames; the peripheral side surface of the second screw rod transmission assembly is provided with a second positive thread part and a second reverse thread part respectively; the peripheral side surface of the second screw rod transmission assembly and the position corresponding to the second positive thread part are connected with an outer clamp; the peripheral side surface of the second screw rod transmission assembly and the position corresponding to the second reverse thread part are connected with an inner clamp; the inner wall of the outer clamp is hinged with the inner clamp; the inner surfaces of the outer clamp and the inner clamp are rotatably connected with driving rollers; the surfaces of the outer clamp and the inner clamp are fixedly connected with a rotating motor; one end of the output shaft of the two rotating motors is respectively connected with the driving roller at the corresponding position; two side surfaces of the outer clamp and the inner clamp are hinged with connecting rods; the opposite surfaces of the outer clamp and the inner clamp are hinged with a pressure applying seat through a connecting rod; a group of distance adjusting screw rods are fixedly arranged on the surface of the pressure application seat; one end of the distance adjusting screw rod is fixedly connected with a linkage seat; and driven rollers are rotatably connected between the inner surfaces of the linkage seats.

Furthermore, the first screw rod transmission assembly and the second screw rod transmission assembly respectively comprise a linear motor, two guide rods and a transmission screw rod; and power-off brakes are fixedly arranged in the rotating motor and the driving motor.

Furthermore, the cross sections of the pressure application seat and the linkage seat are both U-shaped structures; a group of limiting rods are fixedly arranged on one surface of the pressure application seat; the peripheral side surfaces of the limiting rods are connected with the inner clamp in a sliding manner; the cross section of the limiting rod is of a T-shaped structure.

Furthermore, the two driving rollers are symmetrically distributed by taking the plane of the center line of the driven roller as an axis; and the circumferential side surfaces of the driving roller and the driven roller are wrapped with rubber friction pads.

Furthermore, the supporting seat is of an L-shaped structure; reinforcing ribs are fixedly arranged at the right angles of the supporting seats; a group of universal brake trundles are fixedly mounted on the bottom surface of the base.

The invention has the following beneficial effects:

1. according to the pipe fitting clamping device, through the clamp type design of the clamping mechanism, the pipe fitting can be placed, clamped and positioned quickly, the usability and convenience of the pipe fitting clamping device are improved, through the design of the connecting rod and the linkage seat, the three-point positioning and three-point clamping work of the pipe fitting can be completed automatically through the connecting rod structure in the clamp moving process, and then the stability of the pipe fitting clamped by the pipe fitting clamping device is effectively guaranteed.

2. According to the invention, through the angle-adjustable design of the clamping mechanism, the device can carry out butt joint connection of various pipe fittings, so that the processing range of the device is further improved, and meanwhile, through the design of the rotatable driving roller, the switching of the connection angle or the connection position of the pipe fittings can be rapidly completed during clamping, so that the device can conveniently and rapidly process the pipe fittings, and the versatility of the device is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a positioning auxiliary device for connecting large PVC pipes;

FIG. 2 is a schematic structural view of a clamping assembly;

FIG. 3 is a schematic front view of the structure of FIG. 2;

FIG. 4 is a schematic cross-sectional view of FIG. 3;

FIG. 5 is a schematic structural view of the pressing seat, the pitch adjusting screw, the linkage seat and the driven roller;

in the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-first screw rod transmission component, 3-clamping component, 4-moving seat, 5-electric push rod, 6-supporting seat, 7-overturning frame, 8-driving motor, 9-second screw rod transmission component, 10-outer clamp, 11-inner clamp, 12-driving roller, 13-rotating motor, 14-connecting rod, 15-pressing seat, 16-distance adjusting screw rod, 17-linkage seat, 18-driven roller and 19-limiting rod.

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. 1-5, the present invention is a positioning auxiliary device for connecting large PVC pipes, comprising a base 1; a first screw rod transmission assembly 2 is fixedly arranged between the inner surfaces of the bases 1; the peripheral side surface of the first screw rod transmission component 2 is respectively provided with a first positive thread part and a first reverse thread part; the circumferential side surface of the first screw rod transmission component 2 and the positions corresponding to the first positive thread part and the first reverse thread part are both connected with clamping components 3, and through the design of the first positive thread part and the first reverse thread part, the two clamping components 3 can synchronously move relatively or synchronously move in the same direction, so that the distance between the two clamping components 3 is rapidly reduced or enlarged;

the clamping assembly 3 comprises a moving seat 4; one surface of the movable seat 4 is connected with the first screw rod transmission assembly 2; the top surface of the movable seat 4 is fixedly connected with a group of electric push rods 5 distributed in a rectangular array, the nature of the electric push rods 5 is an electric push rod, and the electric push rods 5 are arranged to change the height of the clamping assembly 3 at the corresponding positions;

the top ends of the group of electric push rods 5 are fixedly connected with a supporting seat 6; one surface of the supporting seat 6 is rotatably connected with a turnover frame 7 through a bearing; the position of the supporting seat 6 corresponding to the axis of the turnover frame 7 is fixedly connected with a driving motor 8, and the driving motor 8 is used for changing the angle of the turnover frame 7;

one end of an output shaft of the driving motor 8 is fixedly connected with the overturning frame 7; a second screw rod transmission assembly 9 is fixedly arranged between the inner surfaces of the turnover frames 7; the peripheral side surface of the second screw rod transmission assembly 9 is respectively provided with a second positive thread part and a second reverse thread part;

the peripheral side surface of the second screw rod transmission assembly 9 and the position corresponding to the second positive thread part are connected with an outer clamp 10; the peripheral side surface of the second screw rod transmission assembly 9 and the position corresponding to the second reverse thread part are connected with an inner clamp 11; the inner wall of the outer clamp 10 is hinged with the inner clamp 11, and the second positive thread part and the second negative thread part are arranged to synchronously expand the angle or reduce the angle of the outer clamp 10 and the inner clamp 11, so that the clamping operation or the loosening operation can be quickly carried out;

a driving roller 12 is rotatably connected between the inner surfaces of the outer clamp 10 and the inner clamp 11; the surfaces of the outer clamp 10 and the inner clamp 11 are fixedly connected with a rotating motor 13; one end of the output shaft of the two rotating motors 13 is respectively connected with the driving roller 12 at the corresponding position; two side surfaces of the outer clamp 10 and the inner clamp 11 are hinged with a connecting rod 14; a pressing seat 15 is hinged between the opposite surfaces of the outer clamp 10 and the inner clamp 11 through a connecting rod 14; a group of distance adjusting screw rods 16 are fixedly arranged on the surface of the pressure application seat 15; one end of the group of distance adjusting screw rods 16 is fixedly connected with a linkage seat 17; the driven roller 18 is rotatably connected between the inner surfaces of the linkage seats 17, and the distance adjusting screw 16 is used for adjusting the distance between the linkage seats 17 and the pressing seat 15, so that various pipe fittings can be clamped and positioned.

The first screw rod transmission assembly 2 and the second screw rod transmission assembly 9 respectively comprise a linear motor, two guide rods and a transmission screw rod; the rotating motor 13 and the driving motor 8 are both fixedly provided with power-off brakes, and the power-off brakes are used for guaranteeing the automatic braking capacity of output shafts of the motors when the motors are powered off, so that the related mechanisms are automatically limited.

As shown in fig. 5, the cross sections of the pressing seat 15 and the linkage seat 17 are both U-shaped structures; a group of limiting rods 19 are fixedly arranged on one surface of the pressure application seat 15; the peripheral side surfaces of the group of limiting rods 19 are in sliding connection with the inner clamp 11; the cross section of the limiting rod 19 is of a T-shaped structure.

Wherein, the two driving rollers 12 are symmetrically distributed by taking the plane of the central line of the driven roller 18 as an axis; the rubber friction pads are wrapped on the circumferential side faces of the two driving rollers 12 and the driven roller 18, the rubber friction pads are used for enhancing the friction force on the surfaces of the driving rollers 12 and the driven roller 18 and simultaneously performing soft clamping on the pipe fitting when clamping is guaranteed, and hard damage to the surface of the pipe fitting is avoided when clamping is performed.

Wherein, the supporting seat 6 is an L-shaped structure; a reinforcing rib is fixedly arranged at the right angle of the supporting seat 6; a group of universal brake trundles are fixedly arranged on the bottom surface of the base 1.

One specific application of this embodiment is: the application range of the device comprises the butt joint connection between two straight pipes, the butt joint connection between the straight pipes and the L-shaped bent pipes, the butt joint connection between the two L-shaped bent pipes and the butt joint connection between other inclined pipes;

when two straight pipes are connected in a butt joint mode, the device is arranged in a state shown in figure 1, during clamping, the second lead screw transmission assembly 9 can drive the clamping assembly 3 to work, and then clamping work of the pipe fitting is completed, and when the outer clamp 10 and the inner clamp 11 work, the pressing base 15 can be driven to move along the direction of the limiting rod 19 through the connecting rod 14 and then are matched with the two driving rollers 12 to complete three-point positioning work on the surface of the pipe fitting, and in use, the pipe fitting can be driven to change a set angle during clamping through the two rotating motors 13, so that the connection position of the two pipe fittings or the connection angle can be conveniently switched;

when butt joint connection of a straight pipe and an L-shaped bent pipe is carried out, one clamping assembly 3 is in a state shown in figure 1, the other clamping assembly 3 is kept horizontal to the ground, and the heights of the two clamping assemblies 3 can be respectively changed through the electric push rods 5, so that butt joint of the pipe fitting can be rapidly completed;

when the two L-shaped bent pipes are connected in a butt joint mode, the device can be arranged to be in the state shown in figure 1 according to the specification of the pipe fitting, and the two clamping assemblies 3 can also be arranged to be in the state parallel to the ground, so that the device is suitable for the pipe fittings with different lengths;

when other non-horizontal pipe fittings are required to be connected, the two clamping assemblies 3 can be driven to change in adaptive angle through the driving motor 8, so that the two pipe fittings can be conveniently connected.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (8)

1. The utility model provides a large-scale PVC union coupling is with location auxiliary device, includes base (1), its characterized in that:

a first screw rod transmission assembly (2) is fixedly arranged between the inner surfaces of the bases (1); the peripheral side surface of the first screw rod transmission assembly (2) is provided with a first positive thread part and a first reverse thread part respectively; the circumferential side surface of the first screw rod transmission assembly (2) and the positions corresponding to the first positive thread part and the first negative thread part are both connected with a clamping assembly (3);

the clamping assembly (3) comprises a moving seat (4); one surface of the movable seat (4) is connected with the first screw rod transmission assembly (2); the top surface of the movable seat (4) is fixedly connected with a group of electric push rods (5) distributed in a rectangular array; the top ends of the group of electric push rods (5) are fixedly connected with a supporting seat (6); one surface of the supporting seat (6) is rotatably connected with a turnover frame (7) through a bearing; the supporting seat (6) is fixedly connected with a driving motor (8) corresponding to the position of the axle center of the turnover frame (7); one end of an output shaft of the driving motor (8) is fixedly connected with the overturning frame (7); a second screw rod transmission assembly (9) is fixedly arranged between the inner surfaces of the turnover frames (7); the peripheral side surface of the second screw rod transmission assembly (9) is provided with a second positive thread part and a second reverse thread part respectively;

an outer clamp (10) is connected to the peripheral side surface of the second screw rod transmission assembly (9) and corresponds to the position of the second positive thread part; the peripheral side surface of the second screw rod transmission assembly (9) and the position corresponding to the second reverse thread part are connected with an inner clamp (11); the inner wall of the outer clamp (10) is hinged with the inner clamp (11);

the inner surfaces of the outer clamp (10) and the inner clamp (11) are rotatably connected with a driving roller (12); the surfaces of the outer clamp (10) and the inner clamp (11) are fixedly connected with a rotating motor (13); one end of the output shaft of the two rotating motors (13) is respectively connected with the driving roller (12) at the corresponding position; two side surfaces of the outer clamp (10) and the inner clamp (11) are hinged with connecting rods (14); a pressing seat (15) is hinged between the opposite surfaces of the outer clamp (10) and the inner clamp (11) through a connecting rod (14); a group of distance adjusting screw rods (16) are fixedly arranged on the surface of the pressure application seat (15); one end of the distance adjusting screw (16) is fixedly connected with a linkage seat (17); and driven rollers (18) are rotatably connected between the inner surfaces of the linkage seats (17).

2. The positioning auxiliary device for connecting the large PVC pipes according to claim 1, wherein the first screw transmission assembly (2) and the second screw transmission assembly (9) comprise a linear motor, two guide rods and a transmission screw.

3. The positioning auxiliary device for connecting the large PVC pipes as claimed in claim 1, wherein the rotating motor (13) and the driving motor (8) are both fixedly provided with power-off brakes.

4. The positioning auxiliary device for connecting the large PVC pipes as claimed in claim 1, wherein the cross sections of the pressing seat (15) and the linkage seat (17) are both U-shaped structures; a group of limiting rods (19) are fixedly arranged on one surface of the pressure application seat (15); the peripheral side surfaces of the limiting rods (19) are connected with the inner clamp (11) in a sliding mode.

5. The positioning auxiliary device for connecting the large PVC pipe as claimed in claim 4, wherein the cross section of the limiting rod (19) is of a T-shaped structure.

6. The positioning auxiliary device for connecting the large PVC pipe according to claim 1, wherein the two driving rollers (12) are symmetrically distributed by taking the plane of the midline of the driven roller (18) as an axis; rubber friction pads are wrapped on the peripheral side surfaces of the two driving rollers (12) and the driven rollers (18).

7. The positioning auxiliary device for connecting the large PVC pipe according to claim 1, wherein the supporting seat (6) is L-shaped; and reinforcing ribs are fixedly arranged at the right angle of the supporting seat (6).

8. The positioning auxiliary device for connecting the large PVC pipe according to claim 1, wherein a group of universal brake casters is fixedly installed on the bottom surface of the base (1).

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