CN210046329U

CN210046329U - Clamp for punching steel pipe

Info

Publication number: CN210046329U
Application number: CN201920488035.2U
Authority: CN
Inventors: 侯鑫宇; 廖厚金; 章丽华
Original assignee: Sichuan Wuhuan Petrochemical Equipment Co Ltd
Current assignee: Sichuan Wuhuan Petrochemical Equipment Co Ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-02-11
Anticipated expiration: 2029-04-11

Abstract

The utility model discloses a steel pipe punches and uses anchor clamps, including the base plate, locate the end fixture of base plate upper surface one end and locate the base plate upper surface other end and with end fixture relatively press from both sides a mechanism. The utility model discloses the centre gripping is implemented to the steel pipe to the convenience, easy operation, and convenient easy going can prevent effectively because the steel pipe deformation phenomenon that the clamping-force arouses, can be applicable to the steel pipe centre gripping operation of punching of various sizes, has stronger practicality.

Description

Clamp for punching steel pipe

Technical Field

The utility model relates to a steel pipe machining equipment correlation technique field especially relates to a steel pipe punches and uses anchor clamps.

Background

The steel pipe has a hollow cross section with a length much greater than the diameter or circumference of the steel. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the cross section shape, carbon structural steel pipes, low alloy structural steel pipes, alloy steel pipes and composite steel pipes according to the material quality, steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machine manufacturing, geological drilling, high pressure equipment and the like according to the application, and the steel pipe is divided into a seamless steel pipe and a welded steel pipe according to the production process, wherein the seamless steel pipe is divided into hot rolling and cold rolling (drawing), and the welded steel pipe is divided into a straight seam welded steel pipe and a spiral seam welded steel pipe.

The steel pipe is to various different actual demands, need take the processing of various modes to it, and common processing method is comparatively easy, but to the steel pipe punch, because the surface of steel pipe is fixed inconvenient at first for the cambered surface, the in-process of punching simultaneously leads to the machining efficiency of steel pipe to reduce owing to the fixed displacement in hole that insecure arouses of centre gripping, leads to the steel pipe to scrap even, has increased the cost input of enterprise.

The existing steel pipe punching clamping device generally adopts a universal clamping device, although the clamping device can realize clamping, the steel pipe is deformed due to overlarge clamping force in the clamping process, and after the length of the steel pipe exceeds a certain length, the clamping operation is very inconvenient, so that the steel pipe punching efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a steel pipe anchor clamps for punching to solve above-mentioned prior art not enough, the centre gripping is implemented to the steel pipe to the convenience, easy operation, convenient easy going can prevent effectively because the steel pipe deformation phenomenon that the clamping-force arouses, can be applicable to the steel pipe centre gripping operation of punching of various sizes, has stronger practicality.

In order to realize the purpose of the utility model, the following technologies are adopted:

a steel pipe punching clamp comprises a base plate, an end clamping mechanism arranged at one end of the upper surface of the base plate, and a clamping mechanism arranged at the other end of the upper surface of the base plate and opposite to the end clamping mechanism.

The end clamping mechanism comprises a base arranged at one end of the substrate, a supporting plate arranged on the base, a pair of outer clamping components arranged at the upper end and the lower end of the supporting plate, and a plurality of inner clamping components arranged on the supporting plate and positioned at the inner side of the outer clamping components;

the clamping mechanism comprises a support plate arranged at the other end of the base plate and provided with a through hole, two guide plates arranged on two side walls of the support plate, a pair of clamping components assembled on the guide plates, a clamping cylinder arranged on the outer side of each clamping component, and a fixing plate fixed at the other end of the clamping cylinder and fixed on the outer wall of the guide plate.

Preferably, the upper end and the lower end of the supporting plate are symmetrically provided with a pair of vertical key holes, the vertical key holes are positioned on the central axis of the supporting plate, the upper end and the lower end of the supporting plate are symmetrically provided with two pairs of inclined key holes, an included angle formed by the inclined key holes and the vertical key holes is an acute angle, and the inclined key holes are symmetrically arranged on two sides of the vertical key holes.

Preferably, the outer clamping components are all assembled in the vertical key holes, and the inner clamping components are all assembled in the inclined key holes.

Preferably, the outer clamping component comprises a rotating seat arranged at the center of the outer wall of the supporting plate, a screw assembled at the rotating seat at the middle position, two lifting plates assembled at two ends of the screw and assembled in the vertical keyhole, a knob arranged at the center of the screw and positioned in the rotating seat, an upper clamping piece arranged at the inner side end of the lifting plate at the upper end, a lower clamping piece arranged at the inner side end of the lifting plate at the lower end, convex plates arranged at two ends of the upper clamping piece and grooves arranged at two ends of the lower clamping piece and matched with the convex plates, and the thread rotating direction of the upper end of the screw is opposite to the thread rotating direction of the lower end of the screw.

Preferably, go up the holder and be the structure of falling V font, lower holder is positive V font structure, goes up all to be equipped with on holder inner wall, flange inner wall and the lower holder inner wall on the soft layer of antiskid.

Preferably, the inner clamping assembly comprises two pairs of mounting plates which are arranged on the support plate and are coaxial with the inclined key hole, two pairs of end clamping air cylinders which are arranged on the mounting plates, telescopic plates which are arranged on the action ends of the end clamping air cylinders and are assembled in the inclined key hole, and inner supporting pieces which are arranged on the inner side ends of the telescopic plates.

Preferably, the outer wall of the inner support member is an arc surface, and an anti-skid rubber pad is arranged on the arc surface of the outer wall.

Preferably, all be equipped with the square hole of motion one section on the baffle, press from both sides a subassembly including the fastener of assembling in the baffle, locate the grip block of fastener inner wall, locate two of the clamp extension boards on one of them grip block inner wall, all locate the board of exerting oneself of pressing from both sides the extension board other end, locate two of the splint on another grip block inner wall, locate on the splint and with the groove of stepping down of exerting oneself mutually supporting of board and wear in the square hole of motion and be fixed in two push pedal of pressing from both sides a cylinder effect end.

Preferably, the clamping support plate is obliquely arranged on the inner wall of one of the clamping blocks, and an included angle formed by the clamping support plate and the clamping block is an acute angle; the supporting plate is obliquely arranged on the inner wall of the other clamping block, and the included angle formed by the supporting plate and the clamping block is equal to the included angle formed by the clamping supporting plate and the clamping block.

Preferably, the inner walls of the force application plates and the inner walls of the supporting plates are provided with anti-skid rubber pads.

The technical scheme has the advantages that:

1. the end clamping mechanism is mainly used for supporting and clamping one end of a steel pipe, an inner clamping assembly and an outer clamping assembly are arranged for improving the supporting and clamping effects, wherein the inner clamping assembly mainly plays a role in supporting one end of the steel pipe, the operation is simple, and the supporting effect of the inner clamping assembly on the steel pipe can be realized only through the end clamping cylinder; the outer clamping assembly is used for being matched with the inner clamping assembly to further clamp one end of the steel pipe, so that one end of the steel pipe is stably clamped, in order to reasonably utilize the space of the supporting plate, the clamping of the outer clamping assembly is completed by utilizing a screw, and the upper clamping piece and the lower clamping piece are relatively moved under the rotation of the knob through the screws with opposite thread rotation directions;

2. the clamping and supporting mechanism is mainly used for clamping the extending end of the steel pipe, wherein the through hole is convenient for the steel pipe to pass through one side of the end clamping mechanism from one side of the through hole, the guide plate can play a role in supporting and guiding the movement of a clamping action piece, and the main clamping action piece in the mechanism is a clamping and supporting plate and a supporting plate which are matched with each other to clamp and support the steel pipes with different diameters;

3. the utility model discloses the centre gripping is implemented to the steel pipe to the convenience, easy operation, and convenient easy going can prevent effectively because the steel pipe deformation phenomenon that the clamping-force arouses, can be applicable to the steel pipe centre gripping operation of punching of various sizes, has stronger practicality.

Drawings

Fig. 1 shows a top left isometric view of the present invention.

Fig. 2 shows an isometric view of the present invention from the top right.

Fig. 3 shows a close-up view of the end gripping mechanism.

Detailed Description

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

As shown in fig. 1 to 3, a steel pipe punching jig includes a base plate 1, an end holding mechanism 2 provided at one end of an upper surface of the base plate 1, and a clamping mechanism 3 provided at the other end of the upper surface of the base plate 1 and opposed to the end holding mechanism 2.

End fixture 2 is including the base 20 of locating 1 one end of base plate, locate base 20's backup pad 21, locate backup pad 21 about both ends outer clamping component 22 a pair and locate backup pad 21 and be located outer clamping component 22 inboard interior clamping component 23 a plurality of, both ends are equipped with vertical keyhole 210 a pair symmetrically about backup pad 21, vertical keyhole 210 is located backup pad 21's axis, both ends are all equipped with oblique keyhole 211 two pairs symmetrically about backup pad 21, the contained angle that oblique keyhole 211 and vertical keyhole 210 become is the acute angle and vertical keyhole 211 locates vertical keyhole 210 both sides symmetrically. The outer clamping components 22 are all fitted in the vertical keyholes 210 and the inner clamping components 23 are all fitted in the diagonal keyholes 211. The outer clamping assembly 22 includes a rotating base 220 disposed at the center of the outer wall of the supporting plate 21, a screw 221 disposed at the rotating base 220 at the middle position, two lifting plates 222 disposed at the two ends of the screw 221 and mounted in the vertical key hole 210, a knob 223 disposed at the center of the screw 221 and located in the rotating base 220, an upper clamping member 224 disposed at the inner side end of the lifting plate 222 at the upper end, a lower clamping member 225 disposed at the inner side end of the lifting plate 222 at the lower end, protruding plates 226 disposed at the two ends of the upper clamping member 224, and grooves 227 disposed at the two ends of the lower clamping member 225 and engaged with the protruding plates 226. Go up holder 224 and be the structure of falling V font, lower holder 225 is positive V font structure, all is equipped with the soft layer of antiskid on last holder 224 inner wall, flange 226 inner wall and the lower holder 225 inner wall. The inner clamping assembly 23 comprises two pairs of mounting plates 230 which are arranged on the support plate 21 and are coaxial with the inclined key hole 211, two pairs of end clamping cylinders 231 which are arranged on the mounting plates 230, an expansion plate 232 which is arranged at the action end of the end clamping cylinders 231 and is assembled in the inclined key hole 211, and inner support members 233 which are arranged at the inner side ends of the expansion plate 232. The outer wall of the inner support member 233 is a cambered surface, and an anti-slip rubber pad is disposed on the cambered surface of the outer wall, and the rotation direction of the thread at the upper end of the screw rod 221 is opposite to the rotation direction of the thread at the lower end of the screw rod 221.

The clamping mechanism 3 includes a support plate 30 provided at the other end of the substrate 1 and having a through hole 300, two guide plates 31 provided on both side walls of the support plate 30, a pair of clamping assemblies 32 assembled to the guide plates 31, a clamping cylinder 34 provided outside the clamping assemblies 32, and a fixing plate 33 fixed to the other end of the clamping cylinder 34 and fixed to the outer wall of the guide plate 31. The guide plate 31 is provided with a section of moving square hole 310, the clamping component 32 comprises a clamping piece 320 assembled on the guide plate 31, clamping blocks 321 arranged on the inner walls of the clamping piece 320, two clamping support plates 322 arranged on the inner wall of one of the clamping blocks 321, a force plate 323 arranged at the other end of the clamping support plate 322, two support plates 324 arranged on the inner wall of the other clamping block 321, a yielding groove 325 arranged on the support plate 324 and matched with the force plate 323, and two push plates 326 penetrating through the moving square hole 310 and fixed at the action ends of the clamping cylinders 34. The clamping plate 322 is obliquely arranged on the inner wall of one of the clamping blocks 321, and an included angle formed by the clamping plate 322 and the clamping block 321 is an acute angle; the supporting plate 324 is obliquely arranged on the inner wall of the other clamping block 321, and the included angle formed by the supporting plate 324 and the clamping block 321 is equal to the included angle formed by the clamping plate 322 and the clamping block 321. The inner walls of the forcing plate 323 and the supporting plate 324 are provided with anti-skid rubber pads.

The utility model discloses specific embodiment as follows:

firstly, a steel pipe is penetrated from the through hole 300, and one end of the steel pipe is positioned at the end clamping mechanism 2;

secondly, starting the end clamping cylinder 231 to enable each inner support member 233 to move outwards until the inner support member 233 supports one end of the steel pipe;

thirdly, the screw rod 221 is rotated through the knob 223, under the action of the mutually reverse threads, the upper clamping piece 224 and the lower clamping piece 225 simultaneously move inwards until the upper side and the lower side of one end of the steel pipe are clamped, at the moment, the inner part of one end of the steel pipe is supported by the inner supporting piece 233, and the outer part of the steel pipe is clamped by the V-shaped upper clamping piece 224 and the lower clamping piece 225;

fourthly, starting the clamping support cylinder 34 to enable the two clamping blocks 321 to move towards the position of the steel pipe until the clamping support plate 322 and the force application plate 323 clamp the steel pipe;

and fifthly, starting to implement the punching operation.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a steel pipe punches and uses anchor clamps, includes base plate (1), locate base plate (1) upper surface one end hold fixture (2) and locate base plate (1) upper surface other end and with hold fixture (2) relatively press from both sides a mechanism (3), its characterized in that:

the end clamping mechanism (2) comprises a base (20) arranged at one end of the substrate (1), a support plate (21) arranged on the base (20), a pair of outer clamping components (22) arranged at the upper end and the lower end of the support plate (21) and a plurality of inner clamping components (23) arranged on the support plate (21) and positioned at the inner side of the outer clamping components (22);

the clamping and supporting mechanism (3) comprises two support plates (30) which are arranged at the other end of the base plate (1) and provided with through holes (300), guide plates (31) which are arranged on two side walls of the support plates (30), a pair of clamping and supporting assemblies (32) which are assembled on the guide plates (31), clamping and supporting cylinders (34) which are arranged on the outer sides of the clamping and supporting assemblies (32) and fixing plates (33) which are fixed at the other ends of the clamping and supporting cylinders (34) and fixed on the outer walls of the guide plates (31).

2. The steel pipe punching clamp according to claim 1, wherein a pair of vertical key holes (210) are symmetrically formed in the upper end and the lower end of the support plate (21), the vertical key holes (210) are located on the central axis of the support plate (21), two pairs of inclined key holes (211) are symmetrically formed in the upper end and the lower end of the support plate (21), an included angle formed by the inclined key holes (211) and the vertical key holes (210) is an acute angle, and the inclined key holes (211) are symmetrically formed in two sides of the vertical key holes (210).

3. The steel pipe perforating jig as recited in claim 2, characterized in that the outer clamping members (22) are fitted in the vertical key holes (210) and the inner clamping members (23) are fitted in the diagonal key holes (211).

4. The steel pipe perforating jig as claimed in claim 3, wherein the outer clamping unit (22) comprises a rotary base (220) provided at the center of the outer wall of the support plate (21), a screw (221) assembled at the rotary base (220) at the middle position, two lifting plates (222) assembled at both ends of the screw (221) and assembled in the vertical key hole (210), a knob (223) provided at the center of the screw (221) and located in the rotary base (220), the screw rod clamping device comprises an upper clamping piece (224) arranged at the inner side end of a lifting plate (222) at the upper end, a lower clamping piece (225) arranged at the inner side end of the lifting plate (222) at the lower end, convex plates (226) arranged at two ends of the upper clamping piece (224) and grooves (227) arranged at two ends of the lower clamping piece (225) and matched with the convex plates (226), wherein the rotating direction of the screw thread at the upper end of the screw rod (221) is opposite to that of the screw thread at the lower end of the screw rod (221).

5. The steel pipe boring jig according to claim 4, wherein the upper clamping member (224) has an inverted V-shaped structure, the lower clamping member (225) has a regular V-shaped structure, and the inner wall of the upper clamping member (224), the inner wall of the convex plate (226), and the inner wall of the lower clamping member (225) are provided with soft anti-slip layers.

6. The steel pipe punching jig according to claim 3, wherein the inner clamping assembly (23) comprises two pairs of mounting plates (230) which are provided on the support plate (21) and are coaxial with the inclined key hole (211), two pairs of end clamp cylinders (231) which are provided on the mounting plates (230), a telescopic plate (232) which is provided on the action end of the end clamp cylinders (231) and is assembled to the inclined key hole (211), and inner stays (233) which are provided on the inner end of the telescopic plate (232).

7. The steel pipe punching clamp according to claim 6, wherein the outer wall of the inner support member (233) is a cambered surface, and an anti-skid rubber pad is disposed on the cambered surface of the outer wall.

8. The steel pipe punching clamp according to claim 1, wherein one section of the moving square hole (310) is arranged on each guide plate (31), each clamping assembly (32) comprises a clamping piece (320) assembled on each guide plate (31), two clamping blocks (321) arranged on the inner wall of each clamping piece (320), two clamping support plates (322) arranged on the inner wall of one clamping block (321), a force applying plate (323) arranged on the other end of each clamping support plate (322), two clamping plates (324) arranged on the inner wall of the other clamping block (321), a abdicating groove (325) arranged on each clamping plate (324) and matched with the force applying plate (323), and two pushing plates (326) penetrating through the moving square holes (310) and fixed at the acting ends of the clamping cylinders (34).

9. The steel pipe punching clamp according to claim 8, wherein the clamping plate (322) is obliquely arranged on the inner wall of one of the clamping blocks (321), and an included angle formed by the clamping plate (322) and the clamping block (321) is an acute angle; the supporting plate (324) is obliquely arranged on the inner wall of the other clamping block (321), and the included angle formed by the supporting plate (324) and the clamping block (321) is equal to the included angle formed by the clamping plate (322) and the clamping block (321).

10. The steel pipe perforating jig as claimed in claim 8, wherein the inner walls of the forcing plate (323) and the support plate (324) are provided with anti-slip rubber pads.