Auxiliary positioning device of bending machine

Abstract

The invention relates to the technical field of bending machine assemblies, and discloses a bending machine auxiliary positioning device which comprises a rack, and pipe fitting fixing mechanisms are arranged at the two ends in the rack. The automatic pipe fitting fixing mechanism is arranged and comprises the two pipe clamp assemblies which are symmetrically arranged, each pipe clamp assembly comprises pipe clamp bases which are symmetrically arranged up and down, the lower pipe clamp base is fixedly connected to the bottom frame plate, and the upper pipe clamp base is driven by an electric cylinder which is fixedly connected to the top frame plate; meanwhile, the positioning assembly is arranged between the upper pipe clamp clamping seat and the lower pipe clamp clamping seat, the upper pipe clamp clamping seat and the lower pipe clamp clamping seat can be positioned and assembled, namely, the upper pipe clamp clamping seat can descend to be matched with the lower pipe clamp clamping seat to position and fix a to-be-bent pipe fitting, and when the pipe fitting is disassembled and replaced, only the upper pipe clamp clamping seat needs to be lifted; the pipe fitting can be replaced by releasing positioning and fixing of the pipe fitting, convenience is achieved, and the machining efficiency is guaranteed when batch pipe fitting bending machining is carried out.

Description

Technical Field

[0001] The present invention relates to the technical field of bending machine components, and particularly to an auxiliary positioning device for a bending machine. Background Technique

[0002] The auxiliary positioning device for a bending machine is a key accessory to improve the bending accuracy and efficiency of pipes. It is mainly used to solve problems such as large manual positioning errors and difficult precise control of complex angles / multi-segment bends. It can perform precise positioning work to ensure that parameters such as the starting position, bending angle, and multi-segment bending spacing of the pipe during bending meet the design requirements, with the error controlled within ±0.5° or ±0.2 mm.

[0003] The existing auxiliary positioning device for a bending machine still has the following problems when in use: It usually adopts a mechanical pipe fitting fixing structure design with manual locking, which requires bolts and other fastening components to lock the pipe clamps at both ends. When performing batch pipe fitting bending processing, it requires frequent disassembly and assembly of the fastening components and positioning assembly between the pipe clamp components, affecting the processing efficiency. Summary of the Invention

[0004] (I) Technical Problems to be Solved In view of the deficiencies of the prior art, the present invention provides an auxiliary positioning device for a bending machine, which solves the problems raised in the background technique.

[0005] (II) Technical Solutions To achieve the above object, the present invention provides the following technical solution: An auxiliary positioning device for a bending machine, including a frame. Pipe fitting fixing mechanisms are arranged at both ends inside the frame. The frame includes two frame plates arranged symmetrically up and down. At each of the four corners of the two frame plates, a connecting frame is fixedly connected. At the top end of the upper frame plate, two assembly holes are symmetrically opened. The pipe fitting fixing mechanism includes a second pipe clamp seat and a first pipe clamp seat arranged symmetrically up and down. The bottom end of the first pipe clamp seat is fixedly connected with a support frame, and the bottom end of the support frame is fixedly connected to the top end of the lower frame plate. At the top end of the upper frame plate and at the openings of the two assembly holes, an electric cylinder is fixedly installed. A movable shaft is arranged at the bottom end of the electric cylinder, and the movable end at the bottom of the movable shaft is fixedly connected to the upper second pipe clamp seat.

[0006] As a further solution of the present invention: A groove is opened in the middle of the front end of the frame plate. An adjustable mounting mechanism is arranged in the two grooves. The adjustable mounting mechanism includes a slide rail fixedly connected between the two side walls of the groove. A sliding sleeve is slidably installed in the middle of the outer side of the slide rail. Between the opposite side walls of the two sliding sleeves, a connecting rod is fixedly connected respectively. An installation frame is fixedly connected between the two connecting rods. A positioning scale matching the slide rail is fixedly connected to the top end of the upper frame plate.

[0007] As a further solution of the present invention: A positioning component is provided between the second pipe clip seat and the first pipe clip seat. The positioning component includes positioning sleeves fixedly connected to both sides of the front and rear ends of the first pipe clip seat. The positioning component further includes positioning seats fixedly connected to both sides of the front and rear ends of the second pipe clip seat, and the positioning seats are matched with the positioning sleeves below them.

[0008] As a further solution of the present invention: On both sides of the middle part of the top end of the lower frame plate, an installation groove is respectively opened. A threaded hole is opened at the front end of the sliding sleeve, and a fastening screw is threadedly connected in the threaded hole.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. In the present invention, through the provision of an automated pipe fitting fixing mechanism, which includes two symmetrically arranged pipe clip assemblies. Each pipe clip assembly includes pipe clip seats arranged symmetrically up and down. The lower pipe clip seat is fixedly connected to the bottom frame plate, and the upper pipe clip seat is driven by an electric cylinder fixedly connected to the top frame plate and can perform lifting work. At the same time, a positioning component is provided between the upper and lower pipe clip seats, and the upper and lower pipe clip seats can be positioned and assembled. That is, the upper pipe clip seat can descend to cooperate with the lower pipe clip seat to position and fix the pipe fitting to be bent. When disassembling and replacing the pipe fitting, only need to lift the upper pipe clip seat to release the positioning and fixing of the pipe fitting, and then the pipe fitting can be replaced, which is more convenient. When performing batch pipe fitting bending processing, the processing efficiency is guaranteed.

[0010] 2. In the present invention, through the provision of an adjustable installation mechanism for the bending component, a groove is opened at the front end of the frame plate, and a slide rail is fixedly installed in the groove. A sliding sleeve is slidably installed on the outer side of the slide rail. The same installation frame is fixedly connected between the two sliding sleeves through a connecting rod. The bending component can be installed on the installation frame. By adjusting the horizontal position of the installation frame, since a positioning scale matching the slide rail is provided at the top end of the upper frame plate, the positioning horizontal position adjustment of the bending head of the bending component can be realized, and then the positioning and bending work can be carried out on different positions of the pipe fitting fixed by the pipe fitting fixing mechanism, which is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is the overall three-dimensional view of the present invention; Figure 2 is the three-dimensional view of the frame and the positioning scale of the present invention; Figure 3 is the three-dimensional view of the pipe fitting fixing mechanism of the present invention; Figure 4 is the three-dimensional view of the adjustable installation mechanism of the present invention.

[0012] In the figure: 1, frame; 2, pipe fitting fixing mechanism; 3, adjustable mounting mechanism; 4, positioning scale; 11, frame plate; 12, connecting frame; 13, groove; 14, assembly hole; 15, mounting groove; 21, support frame; 22, first pipe clamp seat; 23, electric cylinder; 24, movable shaft; 25, second pipe clamp seat; 26, positioning sleeve; 27, positioning seat; 31, slide rail; 32, sliding sleeve; 33, fastening screw; 34, connecting rod; 35, mounting frame. Detailed implementation manners

[0013] The following further describes in detail the implementation manners of the present invention in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0014] In the description of the present invention, unless otherwise specified, "a plurality of" means two or more; the orientation or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0015] In the description of the present invention, it should be noted that, unless otherwise clearly defined and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0016] Please refer to Figures 1 to 4, in the embodiment of the present invention, an auxiliary positioning device for a bending machine includes a frame 1. At both ends inside the frame 1, there is a pipe fitting fixing mechanism 2. The frame 1 includes two frame plates 11 arranged symmetrically up and down. At each of the four corners of the two frame plates 11, there is a connecting frame 12 fixedly connected. On the top end of the upper frame plate 11, two assembly holes 14 are symmetrically opened. The pipe fitting fixing mechanism 2 includes a second pipe clamp seat 25 and a first pipe clamp seat 22 arranged symmetrically up and down. The bottom end of the first pipe clamp seat 22 is fixedly connected with a support frame 21, and the bottom end of the support frame 21 is fixedly connected to the top end of the lower frame plate 11. On the top end of the upper frame plate 11 and at the openings of the two assembly holes 14, an electric cylinder 23 is fixedly installed. The bottom end of the electric cylinder 23 is provided with a movable shaft 24, and the movable end at the bottom of the movable shaft 24 is fixedly connected to the upper second pipe clamp seat 25. The whole is provided with an automated pipe fitting fixing mechanism 2, which includes two pipe clamp assemblies arranged symmetrically. Each pipe clamp assembly includes pipe clamp seats arranged symmetrically up and down. The lower pipe clamp seat is fixedly connected to the bottom frame plate 11, and the upper pipe clamp seat is driven by an electric cylinder 23 fixedly connected to the top frame plate 11 and can perform lifting work. At the same time, a positioning component is arranged between the upper and lower pipe clamp seats, and the upper and lower pipe clamp seats can be positioned and assembled. That is, the upper pipe clamp seat can descend to cooperate with the lower pipe clamp seat to position and fix the pipe fitting to be bent. When disassembling and replacing the pipe fitting, only need to lift the upper pipe clamp seat to release the positioning and fixing of the pipe fitting, and then the pipe fitting can be replaced, which is more convenient. When performing batch pipe fitting bending processing, the processing efficiency is guaranteed.

[0017] In the middle of the front end of the frame plate 11, there is a groove 13. An adjustable mounting mechanism 3 is arranged in the two grooves 13. The adjustable mounting mechanism 3 includes a slide rail 31 fixedly connected between the two side walls of the groove 13. In the middle of the outer side of the slide rail 31, a sliding sleeve 32 is slidably installed. Between the opposite side walls of the two sliding sleeves 32, a connecting rod 34 is fixedly connected respectively. Between the two connecting rods 34, there is a same mounting frame 35 fixedly connected. On the top end of the upper frame plate 11, there is a positioning scale 4 matching the slide rail 31. It is provided with an adjustable mounting mechanism 3 for the bending component. The front end of the frame plate 11 is provided with a groove 13, and a slide rail 31 is fixedly installed in the groove 13. A sliding sleeve 32 is slidably installed on the outer side of the slide rail 31. The same mounting frame 35 is fixedly connected between the two sliding sleeves 32 through the connecting rod 34. The mounting frame 35 can install the bending component. By adjusting the horizontal position of the mounting frame 35, because the positioning scale 4 matching the slide rail 31 is arranged on the top end of the upper frame plate 11, the positioning horizontal position adjustment of the bending head of the bending component can be realized, and then the positioning bending work can be carried out on different positions of the pipe fitting fixed by the pipe fitting fixing mechanism 2, which is more convenient.

[0018] A positioning component is arranged between the second pipe clip seat 25 and the first pipe clip seat 22. The positioning component includes positioning sleeves 26 fixedly connected to both sides of the front and rear ends of the first pipe clip seat 22. The positioning component further includes positioning seats 27 fixedly connected to both sides of the front and rear ends of the second pipe clip seat 25. The positioning seat 27 is matched with the positioning sleeve 26 below it, and the positioning and assembly between the second pipe clip seat 25 and the first pipe clip seat 22 can be realized.

[0019] In the middle of both sides of the top end of the lower frame plate 11, an installation groove 15 is respectively opened. The overall auxiliary positioning device can be fixedly installed at the corresponding installation station of the bending machine through the installation groove 15 on the lower frame plate 11 in cooperation with the installation component. A threaded hole is opened at the front end of the sliding sleeve 32, and a fastening screw 33 is threadedly connected in the threaded hole. After the working position of the installation frame 35 is adjusted, the sliding sleeve 32 can be limited relative to the slide rail 31 by screwing the fastening screw 33, so as to realize the limitation after the working position of the installation frame 35 is adjusted.

[0020] The working principle of the present invention is as follows: The overall auxiliary positioning device can be fixedly installed at the corresponding installation station of the bending machine through the installation groove 15 on the lower frame plate 11 in cooperation with the installation component. An automatic pipe fitting fixing mechanism 2 is integrally provided, which includes two symmetrically arranged pipe clip components. Each pipe clip component includes pipe clip seats arranged symmetrically up and down. The lower pipe clip seat is fixedly connected to the bottom frame plate 11, and the upper pipe clip seat is driven by an electric cylinder 23 fixedly connected to the top frame plate 11 and can perform lifting work. At the same time, a positioning component is arranged between the upper and lower pipe clip seats, and the upper and lower pipe clip seats can be positioned and assembled, that is, the upper pipe clip seat can descend to cooperate with the lower pipe clip seat to position and fix the pipe fitting to be bent. When disassembling and replacing the pipe fitting, only need to lift the upper pipe clip seat to release the positioning and fixing of the pipe fitting, and then the pipe fitting can be replaced, which is more convenient. When performing batch pipe fitting bending processing, the processing efficiency is guaranteed. In addition, an adjustable installation mechanism 3 for the bending component is provided. A groove 13 is opened at the front end of the frame plate 11, and a slide rail 31 is fixedly installed in the groove 13. A sliding sleeve 32 is slidably installed outside the slide rail 31. The same installation frame 35 is fixedly connected between the two sliding sleeves 32 through a connecting rod 34. The bending component can be installed on the installation frame 35. By adjusting the horizontal working position of the installation frame 35, since a positioning scale 4 matching the slide rail 31 is arranged at the top end of the upper frame plate 11, the bending head positioning horizontal working position of the bending component can be adjusted, and then the positioning and bending work can be carried out on different positions of the pipe fitting fixed by the pipe fitting fixing mechanism 2, which is more convenient.

[0021] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A bending machine auxiliary positioning device, comprising a frame (1), and pipe fitting fixing mechanisms (2) are arranged at both ends inside the frame (1); It is characterized in that: The frame (1) includes two frame plates (11) arranged symmetrically up and down. At each of the four corners of the two frame plates (11), a connecting frame (12) is fixedly connected. At the top of the upper frame plate (11), two assembly holes (14) are symmetrically opened; The pipe fitting fixing mechanisms (2) include second pipe clamp seats (25) and first pipe clamp seats (22) arranged symmetrically up and down. A positioning component is arranged between the second pipe clamp seats (25) and the first pipe clamp seats (22); The bottom end of the first pipe clamp seat (22) is fixedly connected with a support frame (21), and the bottom end of the support frame (21) is fixedly connected to the top end of the lower frame plate (11). At the top end of the upper frame plate (11) and at the openings of the two assembly holes (14), an electric cylinder (23) is fixedly installed. The bottom end of the electric cylinder (23) is provided with a movable shaft (24), and the movable end at the bottom of the movable shaft (24) is fixedly connected to the upper second pipe clamp seat (25); A groove (13) is opened in the middle of the front end of the frame plate (11), and an adjustable mounting mechanism (3) is arranged in the two grooves (13); 2. The auxiliary positioning device for a bending machine according to claim 1, wherein: At the middle parts of both sides of the top end of the lower frame plate (11), an installation groove (15) is opened respectively; 3. The auxiliary positioning device for a bending machine according to claim 1, characterized in that: The adjustable mounting mechanism (3) includes a slide rail (31) fixedly connected between the two side walls of the groove (13). A sliding sleeve (32) is slidably installed in the middle of the outer side of the slide rail (31). A threaded hole is opened at the front end of the sliding sleeve (32), and a fastening screw (33) is threadedly connected in the threaded hole; 4. The auxiliary positioning device for a bending machine according to claim 1, wherein: Between the opposite side walls of the two sliding sleeves (32), a connecting rod (34) is fixedly connected respectively. Between the two connecting rods (34), the same mounting frame (35) is fixedly connected; 5. The auxiliary positioning device for a bending machine according to claim 1, wherein: At the top end of the upper frame plate (11), a positioning scale (4) matching the slide rail (31) is fixedly connected; 6. The auxiliary positioning device for a bending machine according to claim 1, wherein: The positioning component includes positioning sleeves (26) fixedly connected to both sides of the front and rear ends of the first pipe clamp seat (22); 7. The auxiliary positioning device for a bending machine according to claim 1, characterized in that: The positioning component further includes positioning seats (27) fixedly connected to both sides of the front and rear ends of the second pipe clamp seat (25), and the positioning seats (27) are matched with the positioning sleeves (26) below them.

Images