Pipeline blank clamping tool of sawing machine

Abstract

The pipeline blank clamping tool of the sawing machine comprises a U-shaped frame, hydraulic rods are fixedly connected to the two opposite side faces of the U-shaped frame, first clamping plates are fixedly connected to the movable ends of the hydraulic rods, L-shaped plates are fixedly connected to the lower surfaces of the first clamping plates, and vertical plates are fixedly connected to the ends, away from the first clamping plates, of the L-shaped plates. Second clamping plates are fixedly connected to the opposite faces of the two vertical plates correspondingly, sliding grooves with concave cross sections are formed in the upper sides of the opposite faces of the two vertical plates and the lower sides of the opposite faces of the two vertical plates correspondingly, pressing pieces are slidably connected into the two sliding grooves correspondingly, and abutting plates are fixedly connected to the sides, away from the sliding grooves, of the vertical plates. The abutting plate is in sliding contact with the pressing piece on the opposite side. The pressing plates are in sliding contact with the abutting plates on the opposite sides, when the first clamping plate clamps a pipeline blank, the second clamping plate moves towards the pipe fitting and clamps the pipe fitting, the two pressing plates make contact with the pipe fitting and longitudinally press the pipe fitting, and therefore use of a clamping device is saved.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of sawing machines, in particular to a pipeline blank clamping tool for sawing machines. Background Art

[0002] Pipe blank is a material used for processing tubular workpieces. The pipe blank is mainly transported to a cutting device through a conveyor belt, clamped by a clamping device, and then cut to the required length.

[0003] When the pipe blank is being cut, it is necessary to clamp and fix the pipe blank. In order to ensure that the cut end does not bend when the cutting is about to end, a clamping and fixing device is provided at the cut end for clamping and fixing. This results in the need for multiple clamping devices, which increases the cost of cutting the pipe blank. Therefore, a new type of pipe blank clamping tooling for a sawing machine is needed. Utility Model Content

[0004] The technical solution of the utility model is aimed at the technical problem that the existing technical solution is too single, and provides a solution that is significantly different from the existing technology. It mainly provides a pipe blank clamping tool for a sawing machine to solve the technical problem proposed in the above background technology that the pipe blank needs multiple clamping devices to fix it when cutting.

[0005] The technical solution adopted by the utility model to solve the above technical problems is:

[0006] A pipe blank clamping tool for a sawing machine comprises a U-shaped frame fixed on the sawing machine, hydraulic rods are connected and fixed to two opposite side surfaces of the U-shaped frame, a first clamping plate for clamping the uncut end of the pipe fitting is connected and fixed to the movable end of the hydraulic rod, an L-shaped plate is connected and fixed to the lower surface of the first clamping plate, an end of the L-shaped plate away from the first clamping plate is connected and fixed to a vertical plate, and second clamping plates for clamping the cut end of the pipe fitting are connected and fixed to the opposite sides of the two vertical plates, and sliding grooves with a "concave"-shaped cross-section are respectively provided on the upper sides of the opposite sides of the two vertical plates and the lower sides of the opposite sides of the two vertical plates, and clamping pieces are slidably connected in the two sliding grooves, and a holding plate is connected and fixed to the side of the vertical plate away from the sliding groove, and the holding plate is in sliding contact with the holding piece on the opposite side.

[0007] Preferably, the clamping member includes a slider with a "convex"-shaped cross-section, the slider is slidably connected in the slide groove, the end of the slider facing outside the slide groove is connected and fixed with a pressure plate with a triangular cross-section, the pressure plate is in contact with the opposite side support plate, and the slider is connected and fixed with a telescopic member on the side away from the second clamping plate in the slide groove, and the end of the telescopic member away from the slider is connected and fixed in the slide groove.

[0008] Preferably, the telescopic member includes a tube sleeve, the tube sleeve is connected and fixed to the slider, a movable rod is inserted into the end of the tube sleeve away from the slider, the end of the movable rod away from the tube sleeve is connected and fixed in the slide groove, the end of the movable rod in the slide groove is connected and fixed to an elastic member, and the end of the elastic member away from the movable rod is connected and fixed to the tube sleeve.

[0009] Preferably, the sliding block is provided with a plurality of small holes on one side of the sliding groove, and balls are rollingly connected in the small holes, and the balls are in sliding contact with the inner wall of the sliding groove.

[0010] Preferably, arc-shaped grooves matching the pipe fittings are formed on opposite sides of the two pressing plates.

[0011] Preferably, a round hole for inserting pipes is provided on the back of the U-shaped frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By sliding the pressure plate and the opposite side holding plate in contact, when the first clamping plate clamps the pipe blank, the second clamping plate moves toward the pipe fitting and clamps it, so that the holding plate contacts and squeezes the pressure plate, so that the two pressure plates contact the pipe fitting and press the pipe fitting longitudinally, thereby saving the use of the clamping device.

[0014] 2. Using a telescopic structure composed of a pipe sleeve, a movable rod and an elastic member, the pressure plate is pulled away from the second clamping plate by the telescopic structure, thereby preventing the pressure plate from contacting the pipe fitting before the second clamping plate contacts the pipe fitting, thereby preventing a collision.

[0015] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of a vertical plate of the utility model;

[0018] Figure 3 For the utility model Figure 2 A magnified schematic diagram of center A.

[0019] 1. U-shaped frame; 2. round hole; 3. first clamping plate; 4. hydraulic rod; 5. L-shaped plate; 6. vertical plate; 7. slider; 8. pressure plate; 9. second clamping plate; 10. supporting plate; 11. pipe sleeve; 12. movable rod; 13. elastic member; 14. ball bearing. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field of the present invention. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0023] Please refer to the attached Figure 1-3 A pipe blank clamping tool for a sawing machine comprises a U-shaped frame 1 fixed on the sawing machine, a round hole 2 for inserting a pipe fitting is provided on the back of the U-shaped frame 1, a fixed hydraulic rod 4 is connected to two opposite sides of the U-shaped frame 1, a movable end of the hydraulic rod 4 is connected to a fixed first clamping plate 3 for clamping an uncut end of the pipe fitting, an L-shaped plate 5 is connected to a fixed lower surface of the first clamping plate 3, an end of the L-shaped plate 5 away from the first clamping plate 3 is connected to a fixed vertical plate 6, and a second clamping plate 9 for clamping the cut end of the pipe fitting is connected to a fixed surface of the two vertical plates 6.

[0024] A sliding groove with a "concave"-shaped cross section is respectively opened on the upper side of one opposite side of the two vertical plates 6 and the lower side of one opposite side of the two vertical plates 6, and a sliding block 7 with a "convex"-shaped cross section is slidably connected in the two sliding grooves. The end of the sliding block 7 facing outside the sliding groove is connected to a fixed pressure plate 8 with a triangular cross section, and a fixed abutment plate 10 is connected to the side of the vertical plate 6 away from the sliding groove, and the abutment plate 10 is in sliding contact with the pressure plate 8.

[0025] By sliding the pressure plate 8 into contact with the opposite side holding plate 10, while the first clamping plate 3 clamps the pipe blank, the second clamping plate 9 moves toward and clamps the pipe fitting, so that the holding plate 10 contacts and squeezes the pressure plate 8, and the two pressure plates 8 contact the pipe fitting and press the pipe fitting longitudinally, thereby saving the use of the clamping device.

[0026] The slider 7 is connected to a fixed sleeve 11 on a surface away from the second clamping plate 9 in the slide groove, and a movable rod 12 is inserted into the end of the sleeve 11 away from the slider 7. The end of the movable rod 12 away from the sleeve 11 is connected and fixed in the slide groove, and one end of the movable rod 12 in the slide groove is connected to a fixed elastic member 13, which is a spring. The elastic member 13 is in a normal state, and the end of the elastic member 13 away from the movable rod 12 is connected and fixed to the sleeve 11.

[0027] The telescopic structure composed of the pipe sleeve 11, the movable rod 12 and the elastic member 13 is used to pull the pressing plate 8 away from the second clamping plate 9, thereby preventing the pressing plate 8 from contacting the pipe fitting before the second clamping plate 9 contacts the pipe fitting, thereby preventing a collision.

[0028] In order to reduce the friction force of the slider 7 when sliding in the slide groove, the slider 7 is provided with a plurality of small holes on one side of the slide groove, and a ball 14 is rolled and connected in the small holes, and the ball 14 is in sliding contact with the inner wall of the slide groove.

[0029] In order to achieve a pressing effect of the support pressing plate 8 on the pipe fitting, arc grooves matching the pipe fitting are provided on opposite sides of the two pressing plates 8 .

[0030] The specific operation process of the utility model is as follows: when the pipe fitting passes through the circular hole 2 and extends to the second clamping plate 9 or further according to the cutting requirements, the movable end of the hydraulic rod 4 drives the first clamping plate 3 to contact and clamp the pipe fitting, and at the same time, the second clamping plate 9 approaches and clamps the cutting end of the pipe fitting under the linkage of the L-shaped plate 5 and the vertical plate 6, and the two vertical plates 6 make the pressure plate 8 contact with the abutment plate 10 when they are close to each other, and the abutment plate 10 squeezes the pressure plate 8, so that the pressure plate 8 moves toward and contacts the pipe fitting, thereby forming a vertical abutment on the pipe fitting, thereby saving the use of the clamping device.

[0031] The above description of the utility model in combination with the accompanying drawings is an exemplary description. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as the non-substantial improvements are made by adopting the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A pipe blank clamping tool for a sawing machine, comprising a U-shaped frame (1) fixed on the sawing machine, characterized in that: The two opposite side surfaces of the U-shaped frame (1) are connected and fixed with hydraulic rods (4); the movable end of the hydraulic rod (4) is connected and fixed with a first clamping plate (3) for clamping the uncut end of the pipe fitting; the lower surface of the first clamping plate (3) is connected and fixed with an L-shaped plate (5); the end of the L-shaped plate (5) away from the first clamping plate (3) is connected and fixed with a vertical plate (6); the second clamping plates (10) for clamping the cut end of the pipe fitting are respectively connected and fixed to the opposite sides of the two vertical plates (6); the upper sides of the opposite sides of the two vertical plates (6) and the lower sides of the opposite sides of the two vertical plates (6) are provided with a sliding groove with a "concave" cross section; the two sliding grooves are slidably connected with a clamping piece; the side of the vertical plate (6) away from the sliding groove is connected and fixed with a supporting plate (11); the supporting plate (11) is in sliding contact with the clamping piece on the opposite side.

2. The pipe blank clamping tool for a sawing machine according to claim 1, characterized in that: The clamping member comprises a slider (7) having a "convex"-shaped cross section, the slider (7) being slidably connected in the slide groove, the end of the slider (7) facing the outside of the slide groove being connected and fixed with a pressing plate (9) having a triangular cross section, the pressing plate (9) being in contact with an opposite side supporting plate (11), the slider (7) being connected and fixed with a telescopic member on a surface away from the second clamping plate (10) in the slide groove, the end of the telescopic member away from the slider (7) being connected and fixed in the slide groove.

3. The pipe blank clamping tool for a sawing machine according to claim 2, characterized in that: The telescopic member comprises a pipe sleeve (12), the pipe sleeve (12) being connected and fixed to the slider (7), a movable rod (13) being inserted into one end of the pipe sleeve (12) away from the slider (7), the end of the movable rod (13) away from the pipe sleeve (12) being connected and fixed in a slide groove, an elastic member (14) being connected and fixed to one end of the movable rod (13) in the slide groove, and the end of the elastic member (14) away from the movable rod (13) being connected and fixed to the pipe sleeve (12).

4. The pipe blank clamping tool for a sawing machine according to claim 2, characterized in that: The slider (7) is provided with a plurality of small holes on one side of the slide groove, and balls (15) are rollingly connected in the small holes, and the balls (15) are in sliding contact with the inner wall of the slide groove.

5. The pipe blank clamping tool for a sawing machine according to claim 2, characterized in that: The two pressing plates (9) are provided with arc-shaped grooves matching the pipe fittings on opposite sides thereof.

6. The pipe blank clamping tool for a sawing machine according to claim 1, characterized in that: The back of the U-shaped frame (1) is provided with a circular hole (2) for inserting a pipe.

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