CN210307481U

CN210307481U - Clamping device for machining steel pipe

Info

Publication number: CN210307481U
Application number: CN201921114579.9U
Authority: CN
Inventors: 刘华军; 程东东
Original assignee: China Hebei Hong Peng Pipe Fitting Co
Current assignee: China Hebei Hong Peng Pipe Fitting Co
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-14
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a clamping device for processing steel pipe, include: the connecting seat is provided with two hinged ends which are symmetrically arranged, the two hinged ends are respectively hinged with two clamping jaw assemblies which are consistent in structure and are arranged oppositely, the two clamping jaw assemblies which are arranged oppositely are connected through a hinged opening and closing mechanism on the top end of each clamping jaw assembly, and the two clamping jaw assemblies are driven to move in the opposite direction or in the opposite direction through the opening and closing mechanism so as to clamp or loosen the steel pipe. The utility model discloses a clamping device for processing steel pipe has that simple structure is reasonable, the centre gripping is effectual and application scope is wide advantage.

Description

Clamping device for machining steel pipe

Technical Field

The utility model relates to a steel pipe machining technical field, particularly, in particular to a clamping device for processing steel pipe.

Background

The steel pipe can be used for conveying fluid and powdery solid, exchanging heat energy and manufacturing mechanical parts, can also be used as a container, is also an economic steel, has wider application in the fields of construction and machinery, and can be carried out only by effectively fixing the steel pipe in the machining process of the steel pipe.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. In view of this, the utility model discloses need to provide a simple structure is reasonable, effectual and the wide clamping device who is used for processing the steel pipe of application scope of centre gripping.

The utility model provides a clamping device for processing steel pipe, include: the connecting seat, be equipped with two hinged ends that the symmetry set up on the connecting seat, two articulated respectively on the hinged end have two unanimous and relative clamping jaw assembly that sets up of structure, wherein two of relative setting the clamping jaw group price is connected through articulated mechanism that opens and shuts on top separately, and passes through mechanism that opens and shuts drives two clamping jaw assembly does the motion in opposite directions/dorsad to accomplish the centre gripping or the unclamping to the steel pipe.

According to an embodiment of the utility model, the clamping jaw subassembly include with connecting seat articulated rotating claw and fixture, fixture rotates through adjustment mechanism to be connected on the rotating claw, fixture with relative distance between the rotating claw is adjustable.

According to the utility model discloses an embodiment, adjustment mechanism is including adjusting the pole and rotating the cover, rotate the cover with rotate claw pivot connection, adjust the pole peg graft in rotate and sheathe in.

According to the utility model discloses an embodiment, fixture includes U type connecting plate and grip block, two the grip block sets up relatively the both sides of U type connecting plate, adjust the one end of pole with U type connecting plate is pegged graft, just the rolling bearing who is equipped with the axle center setting is inlayed respectively to the both sides of U type connecting plate, rolling bearing cup joint in on the regulation pole.

According to the utility model discloses an embodiment, the mechanism that opens and shuts is connected including rotating the last axis of rotation of clamping jaw subassembly and the cylinder that opens and shuts, the bottom and the one of cylinder that opens and shuts the axis of rotation is rotated and is connected, the tailpiece of the piston rod end and another of cylinder that opens and shuts on the clamping jaw subassembly the axis of rotation is rotated and is connected.

According to the utility model discloses an embodiment, be equipped with a plurality of centre gripping archs that are the array and arrange on one side of grip block.

According to the utility model discloses an embodiment, be equipped with universal rotary joint on the top surface of connecting seat.

According to the utility model discloses an embodiment, two of connecting seat be equipped with the connecting pipe between the hinged end, the both ends lock joint of connecting pipe has hollow out construction's end cover.

The clamping device for processing the steel pipe drives the two oppositely arranged clamping jaw assemblies on the connecting seat to move in the opposite direction/back direction through the opening and closing mechanism, so that the steel pipe is clamped or loosened; furthermore, the universal rotary joint is arranged on the top surface of the connecting seat, so that the clamping device can be matched with various processing equipment or lifting appliances, and the applicability of the clamping device is improved.

Drawings

Fig. 1 is a perspective view of a clamping device for processing a steel pipe according to the present invention.

Fig. 2 is a front view of a clamping device for machining a steel pipe according to the present invention.

Fig. 3 is a half-sectional view of fig. 2.

Reference numerals: 1-a connecting seat; 2-a jaw assembly; 3-an opening and closing mechanism; 4-universal swivel; 11-a hinged end; 12-a connecting tube; 13-end cap; 21-a rotating claw; 22-a clamping mechanism; 23-an adjustment mechanism; 31-a rotating shaft; 32-an opening and closing cylinder; 221-U-shaped connecting plates; 222-a clamping plate; 223-a rotational bearing; 224-a clamping protrusion; 231-adjusting rod; 232-rotating sleeve.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 3, a clamping device for processing a steel pipe includes: connecting seat 1 is equipped with two hinged ends 11 that the symmetry set up on the connecting seat 1, and it has two unanimous and relative clamping jaw assembly 2 that set up to articulate respectively on two hinged ends 11, and wherein two clamping jaw group price 2 that set up relatively connect through articulated mechanism 3 that opens and shuts on respective top to drive two clamping jaw assembly 2 through mechanism 3 that opens and shuts and do the motion in opposite directions/dorsad, in order to accomplish the centre gripping of steel pipe or loosen.

The clamping device for processing the steel pipe drives the two oppositely arranged clamping jaw assemblies 2 on the connecting seat 1 to move in the opposite direction/back direction through the opening and closing mechanism 3, so that the steel pipe is clamped or loosened, wherein the air cylinder is adopted in the opening and closing mechanism 3 to drive the clamping jaw assemblies, so that the steel pipe is firmly fixed in the clamping device and then processed, and the clamping effect is good; furthermore, the universal rotary joint 4 is arranged on the top surface of the connecting seat 1, so that the clamping device can be matched with various processing equipment or lifting appliances, and the applicability of the clamping device is improved.

As shown in fig. 1 and 2, the clamping jaw assembly 2 comprises a rotating jaw 21 and a clamping mechanism 22 which are hinged with the connecting base 1, the clamping mechanism 22 is rotatably connected to the rotating jaw 21 through an adjusting mechanism 23, and the relative distance between the clamping mechanism 22 and the rotating jaw 21 is adjustable, so that the clamping jaw assembly 2 can be used for clamping steel pipes with different diameters, and the applicability is high.

As shown in fig. 1, the adjusting mechanism 23 includes an adjusting lever 231 and a rotating sleeve 232, the rotating sleeve 232 is pivotally connected to the rotating claw 21, the rotating sleeve 232 can move up and down along the opening at the bottom end of the rotating claw 21 and is rotatably connected to the opening, the adjusting lever 231 is inserted into the rotating sleeve 232, and the adjusting lever 231 is used to adjust the relative distance between the clamping mechanism 22 and the rotating claw 21, which is fast and convenient.

As shown in fig. 1 to 3, the clamping mechanism 22 includes a U-shaped connecting plate 221 and clamping plates 222, the two clamping plates 222 are oppositely disposed on two sides of the U-shaped connecting plate 221, one end of the adjusting rod 231 is inserted into the U-shaped connecting plate 221, and two sides of the U-shaped connecting plate 221 are respectively embedded with rotating bearings 223 coaxially disposed, the rotating bearings 223 are sleeved on the adjusting rod 231, the rotating bearings 223 assist in adjusting the adjusting rod 231, and a screwing force and an adjusting time during adjustment are saved.

As shown in fig. 1 to 3, the opening and closing mechanism 3 includes a rotating shaft 31 and an opening and closing cylinder 32 which are rotatably connected to the clamping jaw assembly 2, the bottom end of the opening and closing cylinder 32 is rotatably connected to the rotating shaft 31, the piston rod end of the opening and closing cylinder 32 is rotatably connected to the rotating shaft 31 of the other clamping jaw assembly 2, namely, the clamping jaw assembly 2 is driven to move in the opposite direction/in the opposite direction through the extension and retraction of the opening and closing cylinder 32, the driving process is fast and convenient, and the clamping effect is good.

As shown in fig. 1 to 3, a plurality of clamping protrusions 224 are arranged in an array on one side surface of the clamping plate 222, and it should be understood that the clamping protrusions 224 can increase the clamping force with the steel pipe, thereby facilitating the processing of the steel pipe.

As shown in fig. 1 to 3, a universal swivel joint 4 is disposed on the top surface of the connecting base 1, so as to facilitate connection and cooperation with a processing device or a lifting tool, and improve the application range of the clamping device.

As shown in fig. 2 and 3, a connecting pipe 12 is arranged between two hinged ends 11 of the connecting base 1, and two ends of the connecting pipe 12 are buckled with end covers 13 with hollow structures, so that the quality of the connecting base 1 is reduced, and the attractiveness and the connection strength of the connecting base 2 are improved.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A clamping device for machining a steel pipe, comprising: the connecting seat, be equipped with two hinged ends that the symmetry set up on the connecting seat, its characterized in that, two articulated respectively on the hinged end have two unanimous and relative clamping jaw assembly that sets up of structure, wherein relative two the clamping jaw group price is connected through articulated mechanism that opens and shuts on top separately, and passes through mechanism that opens and shuts drives two clamping jaw assembly is in opposite directions/dorsad motion to accomplish the centre gripping or the unclamping to the steel pipe.

2. The clamping device for processing the steel pipe as claimed in claim 1, wherein the clamping jaw assembly comprises a rotating jaw and a clamping mechanism, the rotating jaw is hinged with the connecting seat, the clamping mechanism is rotatably connected to the rotating jaw through an adjusting mechanism, and the relative distance between the clamping mechanism and the rotating jaw is adjustable.

3. The clamping device for processing the steel pipe as claimed in claim 2, wherein the adjusting mechanism comprises an adjusting lever and a rotating sleeve, the rotating sleeve is connected with the rotating claw shaft pin, and the adjusting lever is inserted on the rotating sleeve.

4. The clamping device for processing the steel pipe as claimed in claim 3, wherein the clamping mechanism comprises a U-shaped connecting plate and clamping plates, the two clamping plates are oppositely arranged on two sides of the U-shaped connecting plate, one end of the adjusting rod is inserted into the U-shaped connecting plate, rotating bearings coaxially arranged are embedded in two sides of the U-shaped connecting plate respectively, and the rotating bearings are sleeved on the adjusting rod.

5. The clamping device for processing the steel pipe as claimed in claim 1, wherein the opening and closing mechanism comprises a rotating shaft and an opening and closing cylinder, the rotating shaft is rotatably connected to the clamping jaw assembly, the bottom end of the opening and closing cylinder is rotatably connected to one rotating shaft, and the piston rod end of the opening and closing cylinder is rotatably connected to the rotating shaft on the other clamping jaw assembly.

6. The clamping device for processing the steel pipe as claimed in claim 4, wherein a plurality of clamping protrusions are arranged in an array on one side surface of the clamping plate.

7. The clamping device for processing the steel pipe as claimed in claim 1, wherein the top surface of the connecting base is provided with a universal swivel joint.

8. The clamping device for processing the steel pipe as claimed in claim 1, wherein a connecting pipe is arranged between the two hinged ends of the connecting base, and two ends of the connecting pipe are buckled with end covers with hollow structures.