CN115255188A - A special pipe bending machine - Google Patents

Abstract

The invention relates to a special pipe bending machine, which includes a frame, the upper end of the frame has a working surface, and the working surface is sequentially provided with an end bending member, a pipe material pressing member, a pipe material clamping member and a pipe material shaping member, and the pipe material can be placed On the working surface, and the pipe body of the pipe passes through the channel formed by the end bending member, the pipe bending member, the pipe clamping member and the pipe shaping member, the pipe clamping member can clamp and fix the pipe on the working surface, The end bending member and the pipe pressing member bend and deform the front end of the pipe, and the pipe clamping member and the pipe shaping member bend and shape the rear end of the pipe. The present application has a reasonable structure, and can accurately and rapidly process pipes as a whole.

Description

A pipe bending machine

technical field

The invention relates to a pipe material processing device, in particular to a condenser pipe bending processing device.

Background technique

With the development of society, refrigeration appliances such as air conditioners and refrigerators have entered thousands of households and become an indispensable part of people's production and life;

As an indispensable and important part of air conditioners and refrigerators, the condensing pipe plays a vital role in the normal operation of air conditioners and refrigerators. The condensing pipe is fixed inside the device during installation, that is, through its own bending It can be folded and fitted to the structural outline inside the device to achieve installation, fixation and normal use. With the continuous progress of the product design industry, different styles and models of air conditioners and refrigerators need different types of condenser tubes to match. Bending the tube, obviously under the premise that the quality control is difficult to guarantee, the work efficiency is not high, and if the equipment is used for processing, for example, the bending equipment disclosed in the Chinese patent CN202121780039. Perform multiple bending operations on a copper tube at the same time. Furthermore, during processing, the copper tube itself is also very prone to jumping or displacement. The bending effect is not good, and the processed tube does not meet the use requirements.

Contents of the invention

In order to solve the above technical problems, the object of the present invention is to provide a special pipe bending machine, including a frame, the upper end of the frame has a working surface, and the working surface is sequentially provided with an end bending member, a pipe pressing member, a pipe clamping Components and pipe shaping components, the pipe can be placed on the working surface, and the pipe body of the pipe passes through the channel formed by the end bending member, pipe pressing member, pipe clamping member and pipe shaping member, and the pipe clamping member can The pipe is clamped and fixed on the working surface, the end bending member and the pipe pressing member bend and deform the front end of the pipe, the pipe clamping member and the pipe shaping member bend and shape the rear end of the pipe.

Preferably, the end bending member and the pipe shaping member are respectively arranged at both ends of the working surface, the pipe pressing member and the pipe clamping member are arranged between the end bending member and the pipe shaping member, and the pipe pressing member and The end bending members are matched, the pipe clamping member is matched with the pipe shaping member, the working surface includes a fixed working surface and a sliding working surface, the fixed working surface is fixed on the upper end of the machine frame, and the sliding working surface is slidingly set The upper end of the frame, the pipe pressing member and the end bending member are arranged on the sliding working surface, and the pipe clamping member and the pipe shaping member are arranged on the fixed working surface.

Preferably, the end bending member includes a cylinder one, and the cylinder one is fixed on the lower end plate surface of the sliding working surface through the cylinder mounting plate one. For the matching gap exposed at the top of the supporting L-shaped plate, a deceleration motor is provided on the side of the supporting L-shaped plate facing the cylinder one. The driving end of the decelerating motor passes through the supporting L-shaped plate and is fixedly connected with the connecting sleeve. The upper end of the connecting sleeve has Limiting block, the lower end of the end bending operation plate is provided with a limit hole matching the limit block, through the cooperation of the limit hole and the limit block, the connecting sleeve is fixedly connected with the end bending operation plate, that is, the deceleration The driving end of the motor drives the connecting sleeve and the end bending operation plate to rotate. The bending wheel 1 rotates through the connecting shaft and is arranged on the end bending operation plate. The driving end of the second is fixedly connected with a bending pressure block, and the end bending member also includes a cylinder three mounting plate, and the cylinder three is installed on the side of the pipe bending member through the cylinder three mounting plate and is located on the end bending operation panel. Above, the driving end of the cylinder three is connected to the second bending wheel, and the second bending wheel and the first bending wheel cooperate up and down to form a bending wheel member matched with the pipe, and the bending pressure block is matched with the bending wheel member.

Preferably, the pipe crimping member includes a bottom plate, two side plates and an installation matching plate, the pipe crimping member is fixedly arranged on the sliding working surface through the bottom plate, the pipe clamping member is located on the side of the pipe crimping member, and the two side plates The lower ends of the plates are respectively fixedly arranged on both ends of the base plate, and an installation matching plate is fixedly arranged between the upper ends of the two side plates, cylinder four and cylinder five are respectively fixed on the installation matching plate, and the drive of cylinder four and five The ends respectively pass through the installation matching plate and are fixedly connected with the fourth matching plate of the cylinder and the fifth matching plate of the cylinder. There are pressure-bearing blocks, the lower pressure block 1 and the lower pressure block 2 cooperate with the pressure-bearing blocks, that is, the lower end faces of the lower pressure blocks 1 and 2 match the structure and size of the upper end faces of the pressure-bearing blocks, and the pressure-bearing The block is fixedly provided with a plurality of guide columns 1 penetrating into the lower pressing block 1 and the lower pressing block 2.

Preferably, the block body of the five matching plates of the cylinder is equipped with a movable rod, the lower end of the movable rod is fixedly connected with the pre-compression block, and the rod body of the movable rod is equipped with a compression spring, and the compression spring is located between the five matching plates of the cylinder and the pre-compression block. Between the blocks, the block body of the lower pressing block 2 has a cavity for the pre-pressing block to pass through, and the lower end of the pre-pressing block exposes the cavity.

Preferably, the pipe clamping member is fixedly arranged on the fixed working surface, the pipe clamping member includes a cylinder six arranged on the fixed working surface, the driving end of the cylinder six is in contact with the pressing block one, and the pipe clamping member also includes a Pressing block 1 matches pressing block 2 and contact bending wheel 1, contact bending wheel mounting column 1 is fixedly arranged on a fixed working surface, contact bending wheel 1 is arranged on contact bending wheel mounting column 1 through bearing rotation The upper end of the pressing block 2 has an arc-shaped gap 1 matching the contact bending wheel 1, the front end of the contact bending wheel 1 is flush with the front end of the pressing block 2, and the pipe clamping member passes through the contact The bending wheel-cooperates with the pipe shaping member.

Preferably, the pipe shaping member is arranged on the fixed working surface, and the pipe shaping member includes the cylinder seven, the backing plate one and the backing plate two, the fixed working surface is fixedly provided with a slide rail, and the backing plate one cooperates with the slide rail through the slide block, Slidingly set on the fixed working surface, the driving end of the cylinder 7 is connected with the backing plate 1, the contact bending wheel installation column 2 is fixed on the backing plate 1, and the contact bending wheel 2 is installed on the contact bending wheel through the rotation of the bearing The upper end of the column two, and the contact bending wheel 2 is matched with the contact bending wheel 1, the backing plate 1 is located on the side of the contact bending wheel 2 and has a shaping block 1, and the backing plate 2 has a shaping block matched with the shaping block 1 2. Shaping block 1 fits with the end face of shaping block 2 to shape the pipe. Backing plate 2 is fixed on the side of shaping block 2. There is contact bending wheel installation column 3, and contact bending wheel 3 is set by bearing rotation. At the upper end of the contact bending wheel installation column three, and the contact bending wheel three is matched with the contact bending wheel two, the block body of the shaping block two is fixedly provided with at least two guide columns two, and the block body of the shaping block one is provided with At least two guide holes for the guide column 2 to pass through, the pipe shaping member also includes a cylinder 8, which is fixedly arranged on a fixed working surface and is located on the side of the cylinder 7, and the driving end of the cylinder 7 is fixedly connected with an anti-jump block, The front end of the anti-jump block facing the second side of the shaping block is provided with an anti-jump groove that matches the pipe, the lower end of the anti-jump block has a sliding block, and the fixed working surface is located under the sliding block and is provided with a groove that matches the sliding block. The guide through hole, the upper end of the anti-jump block has a transitional arc section at the notch of the anti-jump groove.

Preferably, the upper end of the frame is fixedly provided with a slide rail, and the sliding working surface is slidably arranged on the frame through the cooperation of the slide block and the slide rail, and the lower end surface of the fixed working surface is fixedly equipped with a cylinder nine through a cylinder mounting block, The lower end surface of the sliding working surface is fixedly provided with a push-pull block, and the driving end of the cylinder nine is fixedly connected with the push-pull block.

Preferably, the end bending member is located on the supporting L-shaped plate and is further provided with an L-shaped supporting block, and the upper end of the L-shaped supporting block has a limiting groove matched with the pipe.

Preferably, the bending wheel member, bending pressing block, lower pressing block one, lower pressing block two, pressure bearing block, pre-pressing block, pressing block one, pressing block two, contact bending wheel one, contact bending Wheel 2, shaping block 1, shaping block 2, and contact bending wheel 3 are all provided with limiting grooves matching the outer contour of the pipe on the end faces in contact with the pipe.

By means of the above solution, the present invention has at least the following advantages:

Compared with the previous technology, this application can directly process a copper pipe as a whole, and form it at one time. After the feeding is completed, workers do not need to adjust it, and the purpose of independent processing is fully realized, which is specifically reflected in:

1. The end bending members, pipe pressing members, pipe clamping members, and pipe shaping members of the technical solution of the present application can be arranged in a straight line on the frame to form a channel for the copper pipe to pass directly through, and then pass through The above four components bend a copper tube from front to back as a whole to achieve one-time processing and forming without manual operation. While improving work efficiency, it can also ensure the accuracy of processing and greatly reduce the defect rate of products.

2. The pipe clamping member can be used to clamp and fix the pipe on the working surface of the frame, so as to ensure that the copper pipe itself will not shift during processing, ensure the accuracy of bending processing, and improve the yield rate.

3. The end of the pipe can be bent by using the end bending member to realize the first bending process, and when the work of the end bending member is completed, it can cooperate with the pipe bending member to bend the pipe through the avoidance action. Realizing the second bending process not only realizes the working purpose, but also can realize the two processes at the end of the pipe in sequence without hindrance.

4. Using the pipe shaping member can not only bend the middle and rear part of the pipe, but also carry out the shaping action on the pipe to avoid excessive deformation of the pipe after bending. After the processing is completed, no manual adjustment is required. It truly realizes one-time molding, improves the rate of product innovation, and saves labor costs and manufacturing time for enterprises.

The above description is only an overview of the technical solutions of the present invention. In order to understand the technical means of the present invention more clearly and implement them according to the contents of the description, the preferred embodiments of the present invention and accompanying drawings are described in detail below.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show a certain embodiment of the present invention, so It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is the three-dimensional structure schematic diagram of a kind of pipe bending machine of the present invention;

Fig. 2 is a three-dimensional structural schematic diagram of a special pipe bending machine of the present invention;

Fig. 3 is a three-dimensional structural schematic diagram of an end bending member 2 of a pipe bending machine of the present invention;

Fig. 4 is a three-dimensional structural schematic diagram of the end bending member 2 of a pipe bending machine of the present invention;

Fig. 5 is a three-dimensional structural schematic diagram of an end bending member 2 of a pipe bending machine according to the present invention;

Fig. 6 is a three-dimensional structural schematic diagram of the end bending member 2 of a pipe bending machine according to the present invention;

Fig. 7 is a three-dimensional structural schematic diagram of a pipe bending member 3 of a pipe bending machine according to the present invention;

Fig. 8 is a three-dimensional structural schematic diagram of a pipe bending member 3 of a pipe bending machine according to the present invention;

Fig. 9 is a three-dimensional structural schematic diagram of a pipe clamping member 4 of a pipe bender according to the present invention;

Fig. 10 is a schematic diagram of the structural relationship between the pipe clamping member 4 and the pipe shaping member 5 of a pipe bender according to the present invention;

Fig. 11 is a three-dimensional structural schematic diagram of a pipe shaping member 5 of a pipe bending machine according to the present invention;

Fig. 12 is a three-dimensional structural schematic diagram of the anti-jump groove 55 of a pipe bender of the present invention;

Fig. 13 is a schematic diagram of the structural relationship between the fixed working surface 6 and the sliding working surface 7 of a pipe bender according to the present invention.

In the figure: frame 1, end bending member 2, pipe pressing member 3, pipe clamping member 4, pipe shaping member 5, fixed working surface 6, sliding working surface 7, cylinder one 8, cylinder mounting plate one 9. Support L-shaped plate 10, matching gap 11, gear motor 12, connecting sleeve 13, limit block 14, end bending operation plate 15, bending wheel one 16, cylinder two 17, bending pressure block 18, cylinder Three mounting plates 19, three cylinders 20, two bending wheels 21, bottom plates 22, side plates 23, installation matching plates 24, cylinder four 25, cylinder five 26, cylinder four matching plates 27, cylinder five matching plates 28, lower pressure blocks One 29, lower pressure block two 30, pressure bearing block 31, guide column one 32, movable rod 33, pre-compression block 34, compression spring 35, cylinder six 36, compression block one 37, compression block two 38, contact folding Bending wheel one 39, contact bending wheel installation column one 40, arc notch one 41, cylinder seven 42, backing plate one 43, backing plate two 44, contact bending wheel installation post two 45, contact bending wheel two 46, Shaping block one 47, shaping block two 48, contact bending wheel installation column three 49, contact bending wheel three 50, guide column two 51, guide hole 52, cylinder eight 53, anti-jump block 54, anti-jump slot 55, slip Block 56, guide through hole 57, transition arc section 58, cylinder installation block 59, cylinder nine 60, push-pull block 61, L-shaped support block 62, limit groove 63, cylinder ten 64, backing plate three 65, pad Plate 4:66.

Detailed ways

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

Embodiment one:

Referring to Fig. 1 to Fig. 13, a special pipe bending machine described in a preferred embodiment of the present invention includes a frame 1, the upper end of the frame 1 has a working surface, and the working surface is sequentially provided with end bending members 2, Pipe bending member 3, pipe clamping member 4 and pipe shaping member 5, the pipe can be placed on the working surface, and the pipe body of the pipe passes through the end bending member 2, pipe pressing member 3, and pipe clamping member 4 The channel formed by the pipe shaping member 5, the pipe clamping member 4 can clamp and fix the pipe on the working surface, the end bending member 2 and the pipe pressing member 3 bend and deform the front end of the pipe, and the pipe clamping member 4 and The pipe shaping member 5 bends and shapes the rear end of the pipe. The pipe can be placed on the frame 1, and the overall bending process of the pipe can be realized through the end bending member 2, the pipe pressing member 3 and the pipe shaping member 5, and the forming can be realized in one process without manual post-adjustment.

Preferably, the end bending member 2 and the pipe shaping member 5 are respectively arranged at both ends of the working surface, and the pipe bending member 3 and the pipe clamping member 4 are arranged between the end bending member 2 and the pipe shaping member 5, And the pipe bending member 3 cooperates with the end bending member 2, the pipe clamping member 4 cooperates with the pipe shaping member 5, the working surface includes a fixed working surface 6 and a sliding working surface 7, and the fixed working surface 6 is fixedly arranged on The upper end of the frame 1, the sliding working surface 7 is slidably arranged on the upper end of the frame 1, the pipe bending member 3 and the end bending member 2 are arranged on the sliding working surface 7, the pipe clamping member 4 and the pipe shaping member 5 is arranged on the fixed working surface 6. The end bending member 2, the pipe bending member 3, the pipe clamping member 4 and the pipe shaping member 5 are arranged in a straight line. Such a structure does not require any preset values in the early stage of the bending, and can be placed directly at the end The bending process is carried out in the channel formed by the bending member 2 , the pipe pressing member 3 , the pipe clamping member 4 and the pipe shaping member 5 .

Preferably, the end bending member 2 includes a cylinder one 8, and the cylinder one 8 is fixedly arranged on the lower end plate surface of the sliding working surface 7 through the cylinder mounting plate one 9, and the driving end of the cylinder one 8 is in transmission connection with the supporting L-shaped plate 10 , the sliding working surface 7 is provided with a matching gap 11 for the upper end of the supporting L-shaped plate 10 to be exposed, and the side plate of the supporting L-shaped plate 10 facing the cylinder one 8 is provided with a reduction motor 12, and the driving end of the reduction motor 12 passes through the support The L-shaped plate 10 is fixedly connected with the connection sleeve 13, the upper end of the connection sleeve 13 has a limit block 14, and the lower end of the end bending operation plate 15 has a limit hole matched with the limit block 14, through the limit hole and With the cooperation of the limit block 14, the connecting sleeve 13 is fixedly connected with the end bending operation plate 15, that is, the driving end of the gear motor 12 drives the connecting sleeve 13 and the end bending operating plate 15 to rotate, and the bending wheel 16 passes through the connecting shaft The rotation is arranged on the end bending operation plate 15, and the side end of the end bending operation plate 15 is fixedly provided with a cylinder two 17, and the driving end of the cylinder two 17 is fixedly connected with a bending pressure block 18, and the end bending member 2 It also includes cylinder three mounting plate 19, cylinder three 20 is installed on the side of pipe bending member 3 through cylinder three mounting plate 19 and is positioned at the top of end bending operation plate 15, the driving end of cylinder three 20 and the bending wheel Two 21 transmission connections, the bending wheel two 21 and the bending wheel one 16 cooperate up and down to form the bending wheel member matched with the pipe material, and the bending pressing block 18 cooperates with the bending wheel member.

When in use, the end bending member 2 can not only bend the front end of the pipe itself, but also cooperate with the pipe pressing member 3 to allow the pipe pressing member 3 to operate normally and perform the bending action on the pipe. for:

Cylinder 1 8 and cylinder 3 20 act so that bending wheel 1 16 and bending wheel 2 21 move towards each other until they fit together up and down to form a bending wheel member. In the limiting groove of the bending wheel member, the reduction motor 12 is started, and the end bending operation plate 15 is driven to rotate through the connecting sleeve 13, and the bending pressure block 18 cooperates with the bending wheel member, and the end of the pipe is fixed. After the bending process is completed, cylinder one 8, cylinder two 17, cylinder three 20 and the reduction motor 12 are reset to realize the detachment of the end bending member 2 from the end of the pipe without affecting the pipe bending member 3 to the pipe operation.

Preferably, the pipe crimping member 3 includes a bottom plate 22, two side plates 23 and an installation matching plate 24, the pipe crimping member 3 is fixed on the sliding working surface 7 through the bottom plate 22, and the pipe clamping member 4 is located on the pipe crimping On the sides of the component 3, the lower ends of the two side plates 23 are respectively fixedly arranged on the two ends of the bottom plate 22, and an installation matching plate 24 is fixedly arranged between the upper ends of the two side plates 23, and the four cylinders 25 and the five cylinders 26 are fixed respectively. It is arranged on the installation matching plate 24, and the driving ends of cylinder four 25 and cylinder five 26 respectively pass through the installation matching plate 24 and are fixedly connected with cylinder four matching plate 27 and cylinder five matching plate 28, and the lower pressing block one 29 is connected with the lower pressing block Two 30 are respectively fixedly arranged on cylinder four matching plate 27 and cylinder five matching plate 28, and the plate surface of bottom plate 22 is fixedly provided with bearing block 31, and lower pressing block one 29 and lower pressing block two 30 cooperate with bearing block 31 , that is, the lower end surfaces of the lower pressure block 29 and the lower pressure block 2 30 match the structure and size of the upper end surface of the pressure block 31, and the pressure block 31 is fixedly provided with a plurality of threads that penetrate the lower pressure block 29 and the lower pressure block 31. The guide column 1 32 of the briquetting block 2 30 .

When the end bending member 2 is separated from the end of the pipe, the pipe pressing member 3 can carry out the next process on the pipe, specifically:

Cylinder 4 25 and cylinder 5 26 are started, driving the lower pressing block 1 29 and lower pressing block 2 30 to move towards the pressure bearing block 31 until the pipe is folded and fit the lower pressing block 1 29, lower pressing block 2 30 and bearing block The profile shape of the end face of 31 realizes the crimping process, and the end faces of the lower pressing block 1 29, the lower pressing block 2 30 and the bearing block 31 all have limit grooves to ensure the effect of pipe pressing and forming.

Preferably, the block body of cylinder five matching plate 28 is equipped with movable rod 33, and the lower end of movable rod 33 is fixedly connected with pre-compression block 34, and the rod body of movable rod 33 is equipped with stage clip 35, and stage clip 35 is positioned at Between cylinder five matching plate 28 and pre-press block 34, the block body of lower press block two 30 has the cavity that passes for pre-press block 34, exposes cavity for the lower end of pre-press block 34. The pre-compression block 34 can contact the pipe material and the pressure-bearing block 31 earlier than the lower pressure block 2 30, and the end surface of the pre-compression block 34 also has a limit groove, and the pipe material can be pre-compressed and fixed on the pressure-bearing block 31 through the pre-compression block 34 , realize the preliminary fixation of the pipe, and ensure the pressing effect of the lower pressing block 1 29 and the lower pressing block 2 30 .

Preferably, the pipe clamping member 4 is fixedly arranged on the fixed working surface 6, the pipe clamping member 4 includes a cylinder six 36 arranged on the fixed working surface 6, the driving end of the cylinder six 36 is connected to the pressing block one 37, The pipe clamping member 4 also includes a pressing block 2 38 matched with the pressing block 1 37 and a contact bending wheel 1 39, the contact bending wheel installation column 1 40 is fixedly arranged on the fixed working surface 6, and the contact bending wheel One 39 is arranged on the upper end of the contact bending wheel mounting column one 40 by bearing rotation, and the side of the pressing block two 38 has an arc-shaped gap one 41 matched with the contact bending wheel one 39, and the contact bending wheel one 39 The front end face of the front end is flush with the front end face of the pressing block two 38, and the pipe clamping member 4 cooperates with the pipe shaping member 5 by contacting the bending wheel one 39.

When the pipe is placed on the frame 1, the pipe clamping member 4 is the first to move, and the compression block 1 37 is pushed forward by the cylinder 6 36, so that the pipe can be extruded and fixed on the compression block 1 37 and the compression block 2 38, to ensure that the whole pipe is pre-fixed, so that the two ends of the pipe will not move during processing, which ensures the accuracy of the processing, and the limit grooves on the end faces of the first 37 and the second 38 of the compression block can Better fix the pipe to ensure accurate positioning of the pipe.

Preferably, the pipe shaping member 5 is arranged on the fixed working surface 6, and the pipe shaping member 5 includes a cylinder seven 42, a backing plate one 43 and a backing plate two 44, and a slide rail is fixedly arranged on the fixed working surface 6, and the backing plate one 43 passes through The cooperation between the slider and the slide rail is slidably arranged on the fixed working surface 6, the driving end of the cylinder seven 42 is connected with the backing plate one 43, and the contact bending wheel installation column two 45 is fixedly arranged on the backing plate one 43, and the contact bending wheel is fixed on the backing plate one 43. Bending wheel 2 46 is arranged on the upper end of contact bending wheel 2 mounting column 45 through bearing rotation, and contact bending wheel 2 46 cooperates with contact bending wheel 1 39, backing plate 1 43 is positioned at the side of contact bending wheel 2 46 The edge has shaping block 1 47, backing plate 2 44 has shaping block 2 48 matched with shaping block 1 47, shaping block 1 47 fits with the end face of shaping block 2 48, pipe is shaped, backing plate 2 44 is positioned at The side of shaping block 2 48 is fixedly provided with contact bending wheel installation column 3 49, and contact bending wheel 3 50 is arranged on the upper end of contact bending wheel installation column 3 49 by bearing rotation, and contact bending wheel 3 50 is in contact with the contact bending wheel 3 49. Bending wheel 2 46 matches, and the block body of shaping block 2 48 is fixedly provided with at least two guide pillars 2 51, and the block body of shaping block 1 47 has at least two guide holes 52 for guide pillar 2 51 to pass through, The pipe shaping member 5 also includes a cylinder eight 53, which is fixedly arranged on the fixed working surface 6 and is positioned at the side of the cylinder seven 42, and the driving end of the cylinder seven 42 is fixedly connected with an anti-jump block 54, and the anti-jump block 54 faces the shaping The block body front end of block two 48 sides has the anti-jump groove 55 that cooperates with pipe material, and the lower end of anti-jump block 54 has slippery block 56, and fixed working face 6 is positioned at the below of slippery block 56 and is provided with slippery block 56. Cooperating with the guide through hole 57 , the upper end of the anti-jump block 54 is located at the notch of the anti-jump groove 55 and has a transition arc segment 58 .

While the pipe shaping member 5 can shape the bending part of the pipe, it can also use the first contact bending wheel 39, the second contact bending wheel 46 and the third contact bending wheel 50 to perform a large arc bending process on the middle part of the pipe, Cylinder 7 42 pushes backing plate 1 43 to move toward backing plate 2 44. At this time, contact bending wheel 2 46 can touch the pipe, and the pipe is squeezed to contact bending wheel 1 39 to realize large arc bending. The third wheel 50 can realize the limit action on the contact bending wheel two 46 to ensure the bending accuracy of the bent pipe body;

During the bending process of the pipe, the end faces of the shaping block 1 47 and the shaping block 2 48 fit together, so that most of the pipe body at the rear end of the pipe near the bending position can be shaped to ensure the smoothness of the pipe itself. , do not need artificial later stage shaping, similarly, the end faces of contact bending wheel 1 39, contact bending wheel 2 46, shaping block 1 47, shaping block 2 48 and contact bending wheel 3 50 are all provided with pipe matching The limit groove ensures the fit of the pipe;

And by anti-jump block 54, can also avoid that the rear end of pipe material jumps during processing, then influences the generation of bending process, pipe material rear end can be stretched in the anti-jump groove 55 that anti-jump block 54 has and realizes upper and lower limit, And the transition arc section 58 can facilitate the entry of the pipe into the anti-jump groove 55 .

Preferably, the upper end of the frame 1 is fixedly provided with a slide rail, and the sliding working surface 7 is slidably arranged on the frame 1 through the cooperation of the slide block and the slide rail, and the lower end surface of the fixed working surface 6 is fixedly installed by the cylinder mounting block 59. A cylinder nine 60 is provided, and a push-pull block 61 is fixedly arranged on the lower end surface of the sliding working surface 7 , and the driving end of the cylinder nine 60 is fixedly connected with the push-pull block 61 .

The distance between the fixed working surface 6 and the sliding working surface 7 can be adjusted by the cylinder nine 60, and then the distance between the end bending member 2, the pipe pressing member 3, the pipe clamping member 4, and the pipe shaping member 5 , such a structure can be more convenient for the processing and manufacturing of pipes of different types and sizes, and save the cost of the enterprise.

Preferably, the end bending member 2 is located on the supporting L-shaped plate 10 and is further provided with an L-shaped supporting block 62 , and the upper end of the L-shaped supporting block 62 has a limiting groove 63 matched with the pipe. The L-shaped supporting block 62 can help the end bending member 2 to support the end of the tubing, and facilitate the bending action of the end bending member 2 .

Preferably, the bending wheel member, the bending block 18, the lower pressing block one 29, the lower pressing block two 30, the bearing block 31, the pre-pressing block 34, the pressing block one 37, the pressing block two 38, the contact folding block Bending wheel one 39, contact bending wheel two 46, shaping block one 47, shaping block two 48, contact bending wheel three 50 and the end faces that contact with the pipe material all have the limit groove that matches with the pipe material outer contour.

The technical scheme of the present invention can simultaneously perform bending and processing actions on the front and back of the pipe, further saving processing time and saving the cost of the enterprise, and the frame 1 can be fixedly provided with a notch with the anti-jump groove 55 on the side of the anti-jump block 54 The lower edge of the flat plate is convenient for the fixed placement of the rear end of the pipe.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. It should be pointed out that for those of ordinary skill in the art, some improvements can be made without departing from the technical principle of the present invention. and modifications, these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (10)

1. A pipe bending machine, comprising a frame (1), the upper end of the frame (1) has a working surface, and the working surface is sequentially provided with an end bending member (2), a pipe pressing member (3), a pipe The clamping member (4) and the pipe shaping member (5) are characterized in that the pipe can be placed on the working surface, and the pipe body of the pipe passes through the end bending member (2), the pipe pressing member (3), The channel formed by the pipe clamping member (4) and the pipe shaping member (5), the pipe clamping member (4) can clamp and fix the pipe on the working surface, the end bending member (2), the pipe pressing member ( 3) The front end of the pipe is bent and deformed, and the pipe clamping member (4) and the pipe shaping member (5) bend and shape the rear end of the pipe. 2. A special pipe bending machine according to claim 1, characterized in that: the end bending member (2) and the pipe shaping member (5) are respectively arranged at both ends of the working surface, and the pipe pressing member (3) and the pipe clamping member (4) is arranged between the end bending member (2) and the pipe shaping member (5), and the pipe pressing member (3) cooperates with the end bending member (2), and the pipe clamping The tightening member (4) cooperates with the pipe shaping member (5). The working surface includes a fixed working surface (6) and a sliding working surface (7). The fixed working surface (6) is fixedly arranged on the upper end of the frame (1). The sliding working surface (7) is slidably arranged on the upper end of the frame (1), the pipe bending member (3) and the end bending member (2) are arranged on the sliding working surface (7), and the pipe clamping member ( 4) and the pipe shaping member (5) are arranged on the fixed working surface (6). 3. A special pipe bending machine according to claim 2, characterized in that: the end bending member (2) includes a cylinder one (8), and the cylinder one (8) is fixedly arranged on the cylinder mounting plate one (9) The lower end plate surface of the sliding working surface (7), the driving end of the cylinder one (8) is connected with the transmission of the supporting L-shaped plate (10), and the sliding working surface (7) is opened to expose the upper end of the supporting L-shaped plate (10). The matching gap (11) of the support L-shaped plate (10) is provided with a geared motor (12) on the side plate facing the cylinder one (8), and the driving end of the geared motor (12) passes through the supported L-shaped plate (10) It is fixedly connected with the connection sleeve (13), the upper end of the connection sleeve (13) has a limit block (14), and the lower end of the end bending operation plate (15) has a limit hole matched with the limit block (14) , through the cooperation of the limit hole and the limit block (14), the connecting sleeve (13) is fixedly connected with the end bending operation plate (15), that is, the driving end of the geared motor (12) drives the connecting sleeve (13) and the end The first bending operation plate (15) rotates, and the first bending wheel (16) is installed on the end bending operation plate (15) through the rotation of the connecting shaft, and the side end of the end bending operation plate (15) is fixedly provided with a cylinder Two (17), the driving end of the cylinder two (17) is fixedly connected with a bending briquetting block (18), and the end bending member (2) also includes the cylinder three mounting plate (19), and the cylinder three (20) passes through the cylinder three The mounting plate (19) is installed on the side of the pipe bending member (3) and above the end bending operation plate (15), and the driving end of the cylinder three (20) is connected to the bending wheel two (21) , the bending wheel two (21) and the bending wheel one (16) cooperate up and down to form the bending wheel component matched with the pipe, and the bending briquetting block (18) cooperates with the bending wheel component. 4. A special pipe bending machine according to claim 3, characterized in that: the pipe bending member (3) includes a bottom plate (22), two side plates (23) and an installation matching plate (24), and the pipe bending The member (3) is fixed on the sliding working surface (7) through the bottom plate (22), the pipe clamping member (4) is located on the side of the pipe pressing member (3), and the lower ends of the two side plates (23) are respectively It is fixedly arranged at both ends of the base plate (22), and an installation matching plate (24) is fixedly arranged between the upper ends of the two side boards (23). plate (24), and the driving ends of cylinder four (25) and cylinder five (26) respectively pass through the installation matching plate (24) and fixedly connect with cylinder four matching plate (27) and cylinder five matching plate (28). Briquetting block one (29) and lower pressing block two (30) are respectively fixedly arranged on cylinder four matching plates (27) and cylinder five matching plates (28), and the plate surface of base plate (22) is fixedly provided with bearing block (31 ), the lower pressing block one (29) and the lower pressing block two (30) cooperate with the bearing block (31), that is, the lower end surface of the lower pressing block one (29) and the lower pressing block two (30) and the bearing block The structure and size of the upper end face of (31) are matched, and the bearing block (31) is fixedly provided with some guiding pillars one (32) penetrating the lower pressing block one (29) and the lower pressing block two (30). 5. A special pipe bending machine according to claim 4, characterized in that: a movable rod (33) is installed on the body of the five matching plates (28) of the cylinder, and the lower end of the movable rod (33) is connected with the pre-compressed block (34) is fixedly connected, and the rod body of movable rod (33) is equipped with stage clip (35), and stage clip (35) is positioned between cylinder five matching plate (28) and pre-pressing block (34), and pressing block The block body of two (30) has the cavity that passes for pre-press block (34), exposes cavity for the lower end of pre-press block (34). 6. A pipe bending machine according to claim 4, characterized in that: the pipe clamping member (4) is fixedly arranged on the fixed working surface (6), and the pipe clamping member (4) includes Cylinder six (36) on (6), the driving end of cylinder six (36) joins with compression block one (37), and pipe material clamping member (4) also includes the matching with compression block one (37). Compression block two (38) and contact bending wheel one (39), contact bending wheel mounting column one (40) are fixedly arranged on the fixed working surface (6), contact bending wheel one (39) is set by bearing rotation On the upper end of the contact bending wheel installation column one (40), the side of the pressing block two (38) has an arc-shaped gap one (41) matched with the contact bending wheel one (39), and the contact bending wheel The front end face of one (39) is flush with the front end face of pressing block two (38), and the pipe clamping member (4) cooperates with the pipe shaping member (5) by contacting bending wheel one (39). 7. A special pipe bending machine according to claim 6, characterized in that: the pipe shaping member (5) is arranged on the fixed working surface (6), and the pipe shaping member (5) includes a cylinder seven (42), a backing plate One (43) and backing plate two (44), the fixed working surface (6) is fixedly provided with a slide rail, and the backing plate one (43) is slidably arranged on the fixed working surface (6) through the cooperation of the slider and the slide rail , the driving end of the cylinder seven (42) is connected to the backing plate one (43), the contact bending wheel mounting column two (45) is fixedly arranged on the backing plate one (43), and the contact bending wheel two (46) passes through the bearing The rotation is arranged on the upper end of the contact bending wheel installation column two (45), and the contact bending wheel two (46) cooperates with the contact bending wheel one (39), and the backing plate one (43) is positioned at the contact bending wheel two ( The side of 46) has shaping block one (47), backing plate two (44) has shaping block two (48) matched with shaping block one (47), shaping block one (47) and shaping block two (48) The end faces of the pipes are fitted together to shape the pipe. The backing plate 2 (44) is located on the side of the shaping block 2 (48) and is fixedly provided with the contact bending wheel mounting column 3 (49). The contact bending wheel 3 (50) passes through the The bearing rotation is arranged on the upper end of the contact bending wheel installation column three (49), and the contact bending wheel three (50) cooperates with the contact bending wheel two (46), and the block body of the shaping block two (48) is fixedly provided with At least two guide pillars two (51), the block body of shaping block one (47) has at least two guide holes (52) for the guide pillar two (51) to pass through, and the pipe shaping member (5) also includes cylinder eight (53), cylinder eight (53) is fixedly arranged on the fixed working surface (6) and is positioned at the side of cylinder seven (42), and the driving end of cylinder seven (42) is fixedly connected with anti-jump block (54), anti-jump Block (54) has the anti-jump groove (55) that cooperates with pipe material towards the block body front end of plastic block two (48) one side, and the lower end of anti-jump block (54) has sliding block (56), fixed working surface ( 6) A guide through hole (57) matching with the sliding block (56) is opened below the sliding block (56), and the upper end of the anti-jumping block (54) is located at the notch of the anti-jumping groove (55). Arc segment (58). 8. A special pipe bending machine according to claim 2, characterized in that: the upper end of the frame (1) is fixedly provided with a slide rail, and the sliding working surface (7) is slidably set through the cooperation of the slide block and the slide rail On the frame (1), the lower end surface of the fixed working surface (6) is fixedly equipped with cylinder nine (60) through the cylinder mounting block (59), and the lower end surface of the sliding working surface (7) is fixedly provided with a push-pull block ( 61), the driving end of cylinder nine (60) is fixedly connected with push-pull block (61). 9. A special pipe bending machine according to claim 3, characterized in that: the end bending member (2) is located on the supporting L-shaped plate (10) and is also provided with an L-shaped support block (62), the L-shaped The upper end of the supporting block (62) has a limiting groove (63) matched with the pipe material. 10. A special pipe bending machine according to any one of claims 1 to 8, characterized in that: the bending wheel member, the bending block (18), the lower pressing block one (29), the lower pressing block two (30 ), pressure block (31), preload block (34), compression block one (37), compression block two (38), contact bending wheel one (39), contact bending wheel two (46), The end faces of shaping block one (47), shaping block two (48), and contact bending wheel three (50) in contact with the pipe are all provided with limiting grooves matching the outer contour of the pipe.

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