CN217749639U - Anti-deformation clamping device for cutting pipe body - Google Patents

Abstract

The utility model discloses a body cutting is with preventing clamping device that deforms, it is including fixing the locating rack on cutting equipment, and detachable location is provided with down hold assembly on the locating rack, still is provided with driver part and last hold assembly on the locating rack to go up hold assembly and hug closely on the body surface along circumference down. The anti-deformation clamping device is tightly attached to the surface of the pipe body along the circumferential direction through the upper clamping part and the lower clamping part, so that the problem of external force deformation caused by line contact clamping of the sawing machine body on the side wall of the pipe body can be effectively solved, the pipe body still has high circular precision after the sawing is finished, and the cutting quality of the pipe body is improved; on the basis of improving the clamping force, the problem of cutting deflection caused by the fact that the saw blade drives the pipe body to rotate when the pipe body is cut due to insufficient clamping force at present can be solved; the replaceable upper clamping part and the replaceable lower clamping part can clamp the pipe bodies with different outer diameters, so that the application range of the clamping device is widened.

Description

Anti-deformation clamping device for cutting pipe body

Technical Field

The utility model relates to a body cutting technical field especially relates to a body cutting is with preventing clamping device that deforms.

Background

The pipe body cutting is to carry out distance cutting or not interval cutting with the pipe body that has longer length according to actual use length, and the pipe body includes metal pipe body and non-metal pipe body usually, adopts more cutting equipment to be bedroom sawing machine.

Because the body is hollow structure to have less wall thickness, when carrying out external force centre gripping through the grip block about the sawing machine is from the area, it is line contact with body side global, and the clamp force is too concentrated, and great clamping-force can cause the body extrusion deformation to become the ellipse shape, leads to the fact the deformation to the appearance of body, also influences the later stage after the cutting and uses. And when reducing the clamp force to the body, the body can drive the body rotation through the single gyration cutting mode of saw blade in cutting process, and then can cause the cutting skew problem of body, influences the use in later stage equally. Therefore, still carry out the centre gripping through great clamp force to the body at present for the body after the cutting has certain elliptic deformation problem.

Disclosure of Invention

To the problem that exists, the utility model aims at providing a body cutting is with preventing clamping device that deforms, hugs closely on the body surface along circumference through last clamping part and lower clamping part, can effectively solve the sawing machine body and press from both sides the problem of pressing from both sides tightly and cause external force to warp to the contact of tubular body lateral wall line, guarantees to saw cut the completion back, and the body still has higher circular precision, also solves simultaneously in cutting process body year saw blade pivoted problem.

In order to realize the purpose, the utility model discloses the technical scheme who adopts as follows: the utility model provides a body cutting is with preventing clamping device that deforms which characterized in that: prevent clamping device that deforms is including fixing the locating rack on cutting equipment detachable location is provided with down hold assembly on the locating rack, still be provided with drive assembly on the locating rack to and be connected and vertically be close to or keep away from with drive assembly hold assembly last hold assembly of hold assembly down, and go up hold assembly and hold assembly down and hug closely on the body surface along circumference.

Preferably, the positioning frame is of an inverted U-shaped structure, positioning portions with positioning through holes extend horizontally outwards from two sides of the bottom end of the positioning frame, and positioning grooves embedded into the lower clamping component are formed in the top of the positioning frame.

Preferably, the lower clamping part is a lower clamping block which is detachably embedded in the positioning groove, and a semicircular arc clamping groove is formed in the top surface of the lower clamping part at an interval.

Preferably, the driving part comprises guide rods symmetrically arranged on two sides of the positioning frame in a penetrating manner, a driving plate is horizontally connected to the bottom ends of the guide rods, a driving cylinder is arranged between the driving plate and the inner bottom surface of the positioning frame, and the upper clamping part is sleeved on the top of each guide rod in an adjustable and detachable manner.

Preferably, the upper clamping part is an upper clamping block, an upper arc clamping groove corresponding to the semi-arc clamping groove is formed in the bottom surface of the upper clamping block, and the circumference of the upper arc clamping groove is smaller than that of the semi-arc clamping groove.

The utility model has the advantages that: the anti-deformation clamping device is tightly attached to the surface of the pipe body along the circumferential direction through the upper clamping part and the lower clamping part, so that the problem of external force deformation caused by line contact clamping of the sawing machine body on the side wall of the pipe body can be effectively solved, the pipe body still has high circular precision after the sawing is finished, and the cutting quality of the pipe body is improved;

on the basis of improving the clamping force, the problem of cutting deflection caused by the fact that the saw blade drives the pipe body to rotate when the pipe body is cut due to insufficient clamping force at present can be solved;

the replaceable upper clamping part and the replaceable lower clamping part can clamp the pipe bodies with different outer diameters, so that the application range of the clamping device is widened.

Drawings

Fig. 1 is a front view structure diagram of the anti-deformation clamping device of the utility model.

Fig. 2 is the utility model discloses prevent deformation clamping device centre gripping body sketch map.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.

Referring to the attached drawings 1-2, the anti-deformation clamping device for cutting the pipe body comprises a positioning frame 1 fixed on cutting equipment (particularly a sawing machine), wherein a lower clamping component is detachably positioned on the positioning frame 1, a driving component is further arranged on the positioning frame 1, the upper clamping component is connected with the driving component and is vertically close to or far away from the lower clamping component, and the upper clamping component and the lower clamping component are tightly attached to the surface of the pipe body along the circumferential direction.

During operation, the anti-deformation clamping device is installed on a workbench of a sawing machine through a positioning frame, a pipe body (shown as 100 in the figure) is placed between the upper clamping part and the lower clamping part and supported on the lower clamping part, the pipe body with the cutting length extends out of the lower clamping part, the cutting position is vertically corresponding to a saw blade of the sawing machine, and then the upper clamping part moves downwards under the driving action of the driving part to clamp the pipe body together with the lower clamping part. Because the upper clamping part and the lower clamping part are tightly attached to the surface of the pipe body along the circumferential direction, the problem that the outer force is deformed due to the fact that the sawing machine body clamps the side wall of the pipe body in a line contact mode can be effectively solved, the pipe body still has high circular precision after the sawing is finished, and the cutting quality of the pipe body is further improved.

Preferably, the upper and lower clamp members are releasably connected so that the apparatus can be adapted to clamp cutting operations of tubular bodies of different external diameters.

Specifically, as shown in fig. 1, the positioning frame 1 is an inverted U-shaped structure, and positioning portions 11 having positioning holes (not shown) are further horizontally and outwardly extended from two sides of the bottom end of the positioning frame, and fastening bolts 7 are inserted into the positioning holes of the positioning portions 11 to mount and fix the positioning frame 1 on a cutting table of a sawing machine. And the top of the positioning frame 1 is provided with a positioning groove 1a embedded into the lower clamping component. The positioning groove 1a can realize the positioning assembly, disassembly and replacement of the lower clamping part, and the application range of the device is improved.

Specifically, as shown in fig. 1, the lower clamping member is a lower clamping block 2 detachably embedded in the positioning groove 1a, and semicircular clamping grooves 2a are formed in the top surface of the lower clamping block at intervals. The body is supported in this semicircle centre gripping groove 2a, can follow the increase of body global support area to the body, at the in-process of applying clamping-force, can effectively avoid line contact and the centre gripping deformation problem that exists.

Specifically, as shown in fig. 1, the driving part includes guide rods 3 symmetrically penetrating through two sides of the positioning frame 1, a driving plate 4 is horizontally connected to the bottom ends of the guide rods 3, a driving cylinder 5 is arranged between the driving plate 4 and the inner bottom surface of the positioning frame 1, and the upper clamping part is detachably sleeved on the top of the guide rods 3. After the pipe body is placed in the semicircular arc clamping groove 2a of the lower clamping block 2 to be supported, the upper clamping component moves downwards under the vertical guiding action of the guide rod 3 through the driving action of the driving cylinder 5, gradually contacts the upper side peripheral surface of the pipe body, and clamps the pipe body together with the lower clamping block 2.

Specifically, as shown in fig. 1, the upper clamping member is an upper clamping block 6, the bottom surface of the upper clamping member is provided with an upper arc clamping groove 6a corresponding to the semi-arc clamping groove 2a, the pipe body is subjected to wrapping type clamping operation through the combined action of the upper clamping member and the lower clamping member, and the rotation problem of the pipe body in the clamping deformation and sawing process is avoided under the action of improving the clamping force. Preferably, the guide rods 3 on the upper and lower sides of the upper clamping block 6 are provided with adjusting bolts 8, which can adjust the clamping position of the upper clamping block 6 and replace the upper clamping block 6. Preferably, the inner walls of the upper arc clamping grooves 6a corresponding to the semi-arc clamping grooves 2a can be provided with anti-slip pads (not shown in the figure), so that the contact wear caused on the circumferential surface of the pipe body can be effectively avoided on the basis of improving the anti-slip effect.

Preferably, the circumference of the upper arc clamping groove 6a is smaller than that of the semi-arc clamping groove 2a, and the upper arc clamping groove 6a and the semi-arc clamping groove 2a have a contact gap (shown as a in fig. 2) therebetween after clamping the pipe body together, so that the problem that the end faces of the upper arc clamping groove 6a and the semi-arc clamping groove 2a are contacted in advance to affect the clamping force on the pipe body is avoided, and the effective clamping force on the pipe body is ensured.

The principle of the utility model is that: during operation, the anti-deformation clamping device is installed on a workbench of a sawing machine through a positioning frame 1, a pipe body is placed between an upper clamping block 6 and a lower clamping block 2 and is supported in a semicircular arc clamping groove 2a, the pipe body cut by the pipe body partially extends out of the lower clamping block 2, meanwhile, the cutting position vertically corresponds to a saw blade of the sawing machine, then the upper clamping block 6 moves downwards under the vertical guiding action of a guide rod 3 through the driving action of a driving cylinder 5 and gradually contacts the upper side peripheral surface of the pipe body, and the pipe body is clamped tightly together with the lower clamping block 2.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a body cutting is with preventing clamping device that deforms which characterized in that: prevent clamping device that deforms is including fixing locating rack (1) on cutting equipment detachable location is provided with down clamping component on locating rack (1), still be provided with drive part on locating rack (1) to and be connected and vertically be close to or keep away from with drive part clamping component's last clamping component down, and go up clamping component and hug closely on the body surface along circumference with lower clamping component.

2. The anti-deformation clamping device for cutting the pipe body according to claim 1, wherein: the positioning frame (1) is of an inverted U-shaped structure, positioning parts (11) with positioning through holes extend outwards horizontally on two sides of the bottom end of the positioning frame, and positioning grooves (1 a) embedded into the lower clamping part are formed in the top of the positioning frame (1).

3. The anti-deformation clamping device for cutting the pipe body as claimed in claim 2, wherein: the lower clamping component is a lower clamping block (2) which is detachably embedded in the positioning groove (1 a), and a semi-circular arc clamping groove (2 a) is formed in the top surface of the lower clamping component at intervals.

4. A deformation-preventing holding device for cutting a pipe body as claimed in claim 3, wherein: the driving part comprises guide rods (3) symmetrically arranged on two sides of the positioning frame (1) in a penetrating mode, a driving plate (4) is horizontally connected to the bottom ends of the guide rods (3), a driving cylinder (5) is arranged between the driving plate (4) and the inner bottom surface of the positioning frame (1), and the top of each guide rod (3) is sleeved with the upper clamping part in an adjustable and detachable mode.

5. The anti-deformation clamping device for pipe cutting as claimed in claim 4, wherein: the upper clamping component is an upper clamping block (6), an upper arc clamping groove (6 a) corresponding to the semi-arc clamping groove (2 a) is formed in the bottom surface of the upper clamping component, and the circumference of the upper arc clamping groove (6 a) is smaller than that of the semi-arc clamping groove (2 a).

Images