CN213794974U

CN213794974U - Synchronous welded pipe clamping jaw

Info

Publication number: CN213794974U
Application number: CN202021958026.4U
Authority: CN
Inventors: 钟俊超; 李骏棋; 张玲
Original assignee: Foshan Yuren Intelligent Technology Co ltd
Current assignee: Foshan Yuren Intelligent Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-07-27
Anticipated expiration: 2030-09-09

Abstract

The utility model provides a synchronous welded tube jack catch for centre gripping pipeline component has fixture, drive mechanism and power unit, fixture passes through drive mechanism with power unit connects, fixture contains N holder, and N is greater than or equal to 3, N holder is 360 degrees circumference distributions around same axle center, the exposed core of N holder can shrink or open around same axle center, the link of holder with drive mechanism connects, power unit passes through drive mechanism controls clamping mechanism, realizes the shrink of exposed core or open. The pipeline member clamping device solves the problems that in the prior art, a pipeline member welding port is deviated, welding defects exist and a small-size pipeline member is difficult to clamp.

Description

Synchronous welded pipe clamping jaw

Technical Field

The utility model relates to the field of mechanical equipment, concretely relates to synchronous welded tube jack catch.

Background

In the application of pipeline components, various pipeline components are frequently required to be welded, and in the case of PVC, quartz or other components which need to be heated to a molten state for butt joint, the molten components flow downwards due to gravity, so that the deviation of a welding interface part is formed, and welding defects can occur. Rotating the components at a certain speed during the welding process can improve the problem, but the rotation speed of the two components is consistent without relative rotation, otherwise the twist-shaped corrugation defect can be generated due to the angular displacement difference during the welding, and the clamping of the small-size pipeline component is difficult because the clamping of the large pipeline component is mostly involved in the prior art and the clamping of the small-size pipeline component is seldom involved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a synchronous welded tube jack catch has solved among the prior art component melt interface position skew, has butt fusion defect and the difficult problem of small-size pipeline component centre gripping.

The technical scheme of the utility model is realized like this:

a synchronous welded pipe clamping jaw is used for clamping a pipeline component and is provided with a clamping mechanism, a transmission mechanism and a power mechanism, wherein the clamping mechanism is connected with the power mechanism through the transmission mechanism, the clamping mechanism comprises N clamping pieces, N is more than or equal to 3, the N clamping pieces are distributed circumferentially at 360 degrees around the same axis, clamping ends of the N clamping pieces shrink or stretch around the same axis, a connecting end of each clamping piece is connected with the transmission mechanism, and the power mechanism controls a clamping mechanism through the transmission mechanism to achieve the shrinking or stretching of the clamping ends.

Preferably, a synchronous welded tube jack catch, the exposed arc structure of holding end of holder, N the holder is 360 degrees circumference evenly distributed around same axle center.

Preferably, the synchronous welded pipe clamping jaw comprises a connecting rod and a rotating shaft, a connecting rod flange is arranged at the head end of the connecting rod, a groove is correspondingly arranged at the connecting end of the clamping piece, and the connecting rod flange is matched and fixed with the groove;

the interior of the rotating shaft is of a hollow structure, the connecting rod is installed in the rotating shaft, and the connecting rod stretches and slides in the rotating shaft; the head end of the rotating shaft extends forwards to form N slope type slide grooves, the N slope type slide grooves are circumferentially distributed in 360 degrees around the same axis, the N slope type slide grooves point to the same central point, the N clamping pieces are correspondingly installed in the N slope type slide grooves respectively, and the connecting rod drives the clamping pieces to slide in the slope type slide grooves by utilizing a connecting rod flange to act on grooves of the clamping pieces so as to realize the contraction or expansion of clamping ends of the clamping pieces.

Preferably, the power mechanism comprises an air cylinder and a pneumatic assembly, wherein the air cylinder is connected with the tail end of the connecting rod through the pneumatic assembly to drive the connecting rod to telescopically slide in the rotating shaft.

Preferably, a synchronous welded tube jack catch still have rotary mechanism, rotary mechanism contains motor I and synchronous pulley subassembly, the synchronous pulley subassembly is installed the tail end of rotation axis, the output of motor passes through the synchronous pulley subassembly and drives the rotation axis is rotatory.

Preferably, the tail end of the rotating shaft is connected with a grating disc for feeding back angular position information.

Preferably, a synchronous welded tube jack catch, still have base, supporting seat and feeding device, feeding device is equipped with on the base, the supporting seat is installed on feeding device, fixture, drive mechanism and power unit are all installed on the supporting seat, feeding device contains screw rod mechanism and motor II, motor II drives the supporting seat through screw rod mechanism and removes.

Preferably, the synchronous welded pipe clamping jaw is characterized in that a sliding block is arranged at the bottom of the supporting seat, a sliding rail is arranged on the surface of the base, and the supporting seat slides on the sliding rail through the sliding block.

Preferably, the synchronous welded pipe clamping jaw is characterized in that the outer diameter size range of the clamping end of the clamping mechanism capable of clamping the pipeline member is 10-50 mm.

The utility model has the advantages that:

1. the utility model provides a clamping mechanism contains N holder, and N is greater than or equal to 3, and N holder is 360 degrees circumference distributions around same axle center, and the exposed core of N holder can contract or open around same axle center, is particularly useful for the centre gripping of pipeline component, and the link and the drive mechanism of holder are connected, and power unit realizes contracting or opening the control of clamping mechanism through driving drive mechanism, realizes the simplified operation of centre gripping process. The clamping end of the clamping piece is of a convex arc structure, the structure not only can clamp pipeline components with conventional sizes, but also can be suitable for clamping pipeline components with smaller sizes, and the use range of the clamping size of the clamping piece is effectively expanded.

2. The utility model discloses a rotary mechanism that is equipped with can drive fixture and realize synchronous revolution, and the grating dish that the rotary mechanism end was equipped with also can feed back angular position information to guaranteed pipeline component's butt fusion quality, in addition, feeding device also facilitates for pipeline component spatial position's change, ensures that pipeline component can dock smoothly, and the slide rail that the below was equipped with also makes feeding device's operation become light smooth.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 exercise.

FIG. 1 is a schematic structural view of a synchronous welded pipe clamping jaw of the present invention;

FIG. 2 is a partial structural view of a synchronous welded pipe jaw;

FIG. 3 is a schematic view of a rotating mechanism for synchronously welding pipe jaws;

fig. 4 is a partial structure diagram of a synchronous welded pipe clamping jaw.

In the figure: the device comprises a clamping piece 1, a pipeline component 2, a pressure plate 3, a rotating shaft 4, an air cylinder 5, a motor I6, a motor support 7, a pneumatic component 8, an air cylinder support 9, a pneumatic support 10, a connecting rod 11, a supporting seat 12, a screw rod nut 13, a right supporting plate 14, a motor II 15, a sliding block 16, a screw rod 17, a left supporting plate 18, a bottom plate 19, a sliding rail 20, a base 21, a grating disc 22, a groove 23 and a connecting rod flange 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a synchronous welded pipe clamping jaw is used for clamping a pipeline component 2 and comprises a clamping mechanism, a transmission mechanism and a power mechanism, wherein the clamping mechanism is connected with the power mechanism through the transmission mechanism, the clamping mechanism comprises three clamping pieces 1, the selected number N of the clamping pieces 1 is not less than 3, the three clamping pieces 1 are circumferentially and uniformly distributed around the same axis in 360 degrees, the clamping ends of the three clamping pieces 1 can contract or expand around the same axis, the connecting end of the clamping piece 1 is connected with the transmission mechanism, and the power mechanism controls the contraction or expansion of the clamping mechanism through driving the transmission mechanism.

Preferably, as shown in fig. 2, the clamping ends of the clamping members 1 are convex circular arc structures, and the clamping members 1 are uniformly distributed in the circumferential direction of 360 degrees around the same axis, so that the clamping members can clamp not only the pipe members 2 with the conventional size, but also the pipe members 2 with the small size.

Preferably, as shown in fig. 2-4, the transmission mechanism comprises a connecting rod 11 and a rotating shaft 4, a connecting rod flange 24 is arranged at the head end of the connecting rod 11, a groove 23 is correspondingly arranged at the connecting end of the clamping member 1, and the connecting rod flange 24 is matched and fixed with the groove 23;

the inside of the rotating shaft 4 is of a hollow structure, the connecting rod 11 is installed in the rotating shaft 4 through clearance fit, and the connecting rod 11 stretches and slides in the rotating shaft 4; three slope type slide way groove extends forward to the head end of rotation axis 4, three slope type slide way groove is 360 degrees circumference distributions around same axle center, and directional same central point in three slope type slide way groove, three holder 1 corresponds respectively and installs in three slope type slide way inslot, connecting rod 11 utilizes connecting rod flange 24 to act on recess 23 of holder 1, it slides in slope type slide way to drive holder 1, realize the shrink of 1 holder of holder or open, and the head end external surface of rotation axis 4 still is equipped with the screw, rotation axis 4 passes through the screw and is connected with the clamp plate 3 of peripheral hardware, the effect of preventing holder 1 drunkenness has been played.

Preferably, as shown in fig. 1, the power mechanism includes a cylinder 5 and a pneumatic assembly 8, the cylinder 5 is connected to the end of the connecting rod 11 through the pneumatic assembly 8, and drives the connecting rod 11 to slide in the rotating shaft 4 in a telescopic manner.

Furthermore, a rotating mechanism is further provided, the rotating mechanism comprises a motor I6 and a synchronous pulley component, the synchronous pulley component is arranged at the tail end of the rotating shaft 4, the output end of the motor I6 drives the rotating shaft 4 to rotate through the synchronous pulley component, and the purpose of enabling the clamping mechanism to rotate synchronously is achieved.

Furthermore, as shown in fig. 1, the rotating shaft 4 is installed in the upper through hole of the supporting seat 12 through a bearing, the cylinder support 9 is installed on the front side of the supporting seat 12 through a bolt, the cylinder 5 is installed on the cylinder support 9 through a bolt, the cylinder support 9 is connected with the guide block i through a bolt, guide grooves are symmetrically arranged at the upper end and the lower end of the guide block i, the guide grooves are matched with the guide block ii provided with protrusions to play a role in guiding sliding, the guide block ii is installed on the pneumatic support 10 on the outer side through a bolt, the pneumatic assembly 8 is embedded into the front end of the pneumatic support 10, and the tail end of the pneumatic support 10 extends to the connecting rod 11. Motor support 7 is installed on the top of supporting seat 12, motor I6 passes through bolt fixed mounting on motor support 7, synchronous pulley subassembly is by synchronous pulley I, synchronous pulley II and driving chain are constituteed, synchronous pulley I is installed through interference fit to the output of motor I6, there is synchronous pulley II at the right-hand member of rotation axis 4 through interference fit, synchronous pulley II is located synchronous pulley I under, motor I6 drives rotation axis 4 through belt drive and carries out synchronous revolution.

Preferably, the end of the rotating shaft 4 is screwed with a grating disk 22, and the grating disk 22 is used for feeding back angular position information, so as to provide further guarantee for welding of the pipe member 2.

Preferably, a feeding device is arranged below the clamping mechanism, the movement of the spatial position of the clamping mechanism can be realized, and the smooth welding of the pipeline component 2 is facilitated, the feeding device comprises a screw rod mechanism 17 and a motor II 15, a through hole is formed in the lower portion of the supporting seat 12, a screw nut 13 is installed on the right side of the through hole through a bolt, the left end of the screw rod mechanism 17 is fixedly connected to a left supporting plate 18 through a bearing, the screw thread portion of the screw rod mechanism 17 is matched with the screw nut 13, the right end of the screw rod mechanism 17 is fixed to a right supporting plate 14 through a bearing, the motor II 15 is installed on the right side of the right supporting plate 14, the right end of the screw rod mechanism 17 is connected with the motor II 15 through a connecting assembly, the left supporting plate 18 and the right supporting plate 14 are installed on a bottom plate 19 arranged below through bolts, and the bottom plate 19 is installed on a base 21 below through bolts.

More preferably, the bottom of the supporting seat 12 is provided with a slider 16, the supporting seat 12 is connected with the slider 16 through a bolt, the surface of the base 21 is provided with a slide rail 20, and the supporting seat 12 can slide on the slide rail 20 through the slider 16, so that the friction force during the working process of the feeding device is reduced, and the feeding process becomes smoother.

Preferably, the pipe member 2 which can be clamped by the clamping mechanism has an outer diameter ranging from 10 mm to 50 mm.

The clamping mechanism in the embodiment comprises three clamping pieces, the selected number N of the clamping pieces is more than or equal to 3, the three clamping pieces are distributed circumferentially in 360 degrees around the same axis, the clamping ends of the three clamping pieces can contract or expand around the same axis, the clamping mechanism is particularly suitable for clamping pipeline components, the connecting end of each clamping piece is connected with the transmission mechanism, the power mechanism controls the contraction or expansion of the clamping mechanism by driving the transmission mechanism, and the simplified operation of the clamping process is realized. The clamping end of the clamping piece is of a convex arc structure, the structure not only can clamp pipeline components with conventional sizes, but also can be suitable for clamping pipeline components with smaller sizes, and the use range of the clamping size of the clamping piece is effectively expanded. The rotary mechanism can drive the clamping mechanism to synchronously rotate, the grating disc arranged at the tail end of the rotary mechanism can also feed back angular position information, so that the welding quality of the pipeline components is ensured, in addition, the feeding device also provides convenience for the change of the spatial position of the pipeline components, the pipeline components can be ensured to be smoothly butted, and the sliding rail arranged below the feeding device also enables the operation of the feeding device to be easy and smooth.

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 be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

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

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A synchronous welded pipe clamping jaw is used for clamping a pipeline component and is provided with a clamping mechanism, a transmission mechanism and a power mechanism, wherein the clamping mechanism is connected with the power mechanism through the transmission mechanism, and the synchronous welded pipe clamping jaw is characterized in that the clamping mechanism comprises N clamping pieces, N is more than or equal to 3, the N clamping pieces are circumferentially distributed in 360 degrees around the same axis, clamping ends of the N clamping pieces contract or expand around the same axis, a connecting end of each clamping piece is connected with the transmission mechanism, and the power mechanism controls a clamping mechanism through the transmission mechanism to realize the contraction or expansion of the clamping ends.

2. The synchronous welded pipe clamping jaw as recited in claim 1, wherein the clamping ends of said clamping members are convex circular arc structures, and N of said clamping members are circumferentially and uniformly distributed at 360 degrees around a same axis.

3. The synchronous welded pipe clamping jaw according to claim 1, wherein the transmission mechanism comprises a connecting rod and a rotating shaft, a connecting rod flange is arranged at the head end of the connecting rod, a groove is correspondingly arranged at the connecting end of the clamping piece, and the connecting rod flange is matched and fixed with the groove;

4. The synchronous welded pipe clamping jaw according to claim 3, wherein the power mechanism comprises an air cylinder and a pneumatic assembly, the air cylinder is connected with the tail end of the connecting rod through the pneumatic assembly, and the connecting rod is driven to slide in the rotating shaft in a telescopic mode.

5. The synchronous welded pipe clamping jaw according to claim 3, characterized by further comprising a rotating mechanism, wherein the rotating mechanism comprises a motor I and a synchronous pulley assembly, the synchronous pulley assembly is mounted at the tail end of the rotating shaft, and the output end of the motor drives the rotating shaft to rotate through the synchronous pulley assembly.

6. The synchronous welded pipe clamping jaw as recited in claim 5, wherein a grating disk for feeding back angular position information is connected to the tail end of the rotating shaft.

7. The synchronous welded pipe clamping jaw as claimed in claim 1, further comprising a base, a supporting seat and a feeding device, wherein the feeding device is mounted on the base, the supporting seat is mounted on the feeding device, the clamping mechanism, the transmission mechanism and the power mechanism are mounted on the supporting seat, the feeding device comprises a screw mechanism and a motor II, and the motor II drives the supporting seat to move through the screw mechanism.

8. The synchronous welded pipe clamping jaw as recited in claim 7, wherein a sliding block is disposed at the bottom of said supporting seat, a sliding rail is disposed on the surface of said base, and said supporting seat slides on said sliding rail through said sliding block.

9. The synchronous welded pipe clamping jaw as recited in claim 1, wherein the outer diameter of the pipe member which can be clamped by the clamping end of the clamping mechanism is in the range of 10-50 mm.