CN218079792U - Pipe bending machine - Google Patents

Abstract

The utility model discloses a pipe bender, which is used for bending a pipe into a bent pipe, wherein the bent pipe is provided with a first section and a second section, and the pipe bender comprises a pipe bending device, a feeding device and a material returning device; the pipe bending device is configured to be capable of limiting the first section and clamping the second section to perform a turning bending action; the feeding device is arranged on one side of the pipe bending device and is configured to be capable of pushing the pipe to the pipe bending device; the material returning device is arranged on the other side of the pipe bending device and is configured to perform an action of pushing the bent pipe away from the pipe bending device after the pipe is turned and bent into the bent pipe. The bending machine has the advantages of high automation degree, high bending efficiency and high accuracy, and can effectively save labor cost.

Description

Pipe bending machine

Technical Field

The utility model belongs to the technical field of the return bend equipment, especially, relate to a bending machine.

Background

The pipe bender can be roughly divided into a numerical control pipe bender, a hydraulic pipe bender and the like, is mainly used for laying and repairing pipelines in the aspects of electric power construction, highway construction, boiler, bridge, ship, furniture, decoration and the like, and has the advantages of multiple functions, reasonable structure, simplicity in operation and the like. The principle of the pipe bending machine is that a pipe is clamped on a pipe bending die through a clamping die, then the pipe bending die rotates, pipe bending is achieved, and although pipe bending machines of different types exist in the current market, a large improvement space still exists in the aspect of pipe bending efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can improve return bend efficiency and reduce cost of labor's bending machine.

In order to achieve the above object, an embodiment of the present invention provides a pipe bender for bending a pipe into a bent pipe, the bent pipe has a first section and a second section, the pipe bender includes:

the pipe bending device is configured to limit the first section and clamp the second section to perform a turning and bending action;

the feeding device is arranged on one side of the pipe bending device and is configured to be capable of executing the action of pushing the pipe to the pipe bending device; and

and the material returning device is arranged on the other side of the pipe bending device and is configured to perform the action of pushing the bent pipe away from the pipe bending device after the pipe is turned and bent into the bent pipe.

Optionally, the elbow device comprises:

a rotating seat; and

the bending module is provided with an arc-shaped end, and the two sides of the arc-shaped end are rotatably connected with the rotating seats.

Optionally, the elbow device further comprises:

the limiting module is positioned above the bending module;

the clamping module is positioned on one side, away from the material returning device, of the limiting module and corresponds to the bending module; and

the first power system can drive the clamping module and the limiting module to be attached to the bending module, and can drive the bending module and the clamping module to synchronously rotate.

Alternatively,

the bending module is provided with two U-shaped bending dies, and the limiting module and the clamping module are respectively provided with a notch corresponding to the U-shaped bending dies.

Optionally, the material returning device comprises:

a first material returning rod;

the second material returning rod is positioned below the first material returning rod; and

and the second power system can drive the first material returning rod and the second material returning rod to push the bent pipe away from the bending module.

Alternatively,

the limiting rod is arranged at the front end of the first material returning rod, and the diameter of the limiting rod is smaller than that of the first material returning rod and smaller than the inner diameter of the pipe.

Optionally, the material returning device further comprises:

and the adjusting piece is used for moving the first material returning rod and the second material returning rod up and down so that the first material returning rod and the second material returning rod correspond to the U-shaped bending die.

Optionally, the feeding device comprises:

a storage bin;

the material receiving block is arranged adjacent to the material bin, a material receiving groove corresponding to the U-shaped bending die is formed in the upper end of the material receiving block, and a plurality of movable openings are formed in the material receiving groove close to the material bin at intervals along the material pushing direction;

the groove changing block corresponds to the movable opening, the upper end face of the groove changing block is an inclined face, and the inclination angle of the inclined face is the same as the inflow direction of the pipe; and

the driving piece is arranged on the material receiving block and can drive the groove replacing block to move up and down, and when the driving piece drives the groove replacing block to move up, the pipe material flowing out of the stock bin flows into the inclined plane and is far away from the stock bin on the material receiving groove.

Optionally, the feeding device further comprises:

the material pushing rod is arranged on the material receiving groove; and

and the third power system can drive the material receiving block to be close to the bending module and can drive the material pushing rod to push the pipe to the U-shaped bending die.

Optionally, a guide block is arranged on one side of the material receiving block close to the bending module, and a guide head corresponding to the material receiving groove is arranged on the guide block.

Compared with the prior art, the beneficial effects of the utility model are that: through material feeding unit propelling movement tubular product to swan neck system, further, the spacing first section of swan neck system and the upset of centre gripping second section are bent, and further, material returned device pushes away the return bend from swan neck system after the return bend is bent into in the tubular product upset, has that degree of automation is high, the return bend is efficient and the high advantage of accuracy, can effectually practice thrift the cost of labor.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of the pipe bending device of the present invention.

Fig. 3 is a perspective view of the pipe bending device of the present invention hiding one of the connection plates.

Fig. 4 is a top view of the pipe bending device of the present invention.

Fig. 5 isbase:Sub>A sectional view of the areabase:Sub>A-base:Sub>A as shown in fig. 4.

Fig. 6 is a perspective view of the material returning device of the present invention.

Fig. 7 is a perspective view of the feeding device of the present invention.

Fig. 8 is a perspective view of the material receiving block of the present invention.

Fig. 9 is a top view of the material receiving block of the present invention.

Fig. 10 is a sectional view of the area B-B as shown in fig. 8.

In the figure:

the bending device 100, the rotating base 110, the bending module 120, the arc-shaped end 121, the U-shaped bending die 122, the limiting module 130, the clamping module 140, the first power system 150, the motor 151, the first mounting plate 1511, the spindle 152, the second mounting plate 1521, the first pushing cylinder 153, the first movable block 154, the first transmission structure 155, the connecting plate 1551, the first swing arm 1552, the second swing arm 1553, the third swing arm 1554, the limiting arm 1555, the mounting frame 156, the second pushing cylinder 157, the second movable block 158, the second transmission structure 159, the guide base 1591, the third movable block 1592, the fourth swing arm 1593, the fixed arm 1594, the guide rail 1595, the hollowed-out opening 1596 and the notch 160.

The device comprises a feeding device 200, a bin 210, a material receiving block 220, a material receiving groove 221, a movable opening 222, a guide block 223, a guide head 224, a groove changing block 230, an inclined surface 231, a driving element 240, a material pushing rod 250, a third power system 260, a sixth pushing cylinder 261, a guide rail 262, a sliding block 263, a seventh pushing cylinder 264 and a moving block 265.

The material returning device 300, the first material returning rod 310, the limiting rod 311, the second material returning rod 320, the second power system 330, the third pushing cylinder 331, the first fixing plate 332, the fourth pushing cylinder 333, the second fixing plate 334 and the adjusting piece 340.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that, if directional indications, such as the directions or positional relationships indicated by upper, lower, left, right, front, back, inner, outer, etc., are provided in the embodiments of the present invention, the directions or positional relationships indicated by the drawings are only for convenience of description and simplification of the description, and the indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" should be broadly construed, and for example, the terms "mounted," "connected," and "connected" may be fixedly connected, detachably connected, or integrated. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 10, an embodiment of the present invention provides a pipe bender for bending a pipe into a bent pipe, where the bent pipe has a first section and a second section, and the pipe bender includes a pipe bending device 100, a feeding device 200, and a material returning device 300; the pipe bending device 100 is configured to limit the first section and clamp the second section to perform a turning and bending action; the feeding device 200 is disposed at one side of the pipe bending device 100 and configured to perform an action of pushing the pipe material onto the pipe bending device 100; the material returning device 300 is disposed at the other side of the pipe bending device 100, and is configured to perform an action of pushing the bent pipe away from the pipe bending device 100 after the pipe is turned and bent into the bent pipe.

It can be understood that the pipe bending device 100, the feeding device 200 and the material returning device 300 are all mounted on the same frame, and a hopper is mounted between the pipe bending device 100 and the feeding device for discharging; when in use, the feeding device 200 pushes the pipe to the pipe bending device 100, and at this time, the material returning device 300 is set according to the requirement to position the length of the first section; further, the pipe bending device 100 limits the first section to keep the first section in a horizontal state, and further clamps the second section to perform a turning and bending action to form the bent pipe, wherein a turning angle can be set according to requirements to adjust the bending angle of the pipe; further, the material returning device 300 pushes the first section and the second section, so that the bent pipe is pushed away from the pipe bending device 100, it should be further understood that, when the first section and the second section form a 90-degree included angle, that is, the bending angle of the pipe is 90 degrees, the material returning device 300 only needs to push the first section. The bending machine has the advantages of high efficiency and high accuracy, and labor cost can be effectively saved.

In an embodiment, the pipe bending device 100 includes a rotating base 110 and a bending module 120, the bending module 120 has an arc end 121 corresponding to a bending section of the bent pipe, both sides of the arc end 121 are rotatably connected to the rotating base 110, specifically, both sides of the arc end 121 are provided with a rotating shaft 123, the rotating shaft 123 is rotatably connected to the rotating base 110, and the rotating base 110 is a bearing seat to improve a supporting force of the bending module 120, thereby improving a structural stability of the bending module 120.

In an embodiment, the pipe bending apparatus 100 further includes a limiting module 130, a clamping module 140, and a first power system 150; the limiting module 130 is located above the bending module 120; the clamping module 140 is located on one side of the limiting module 130 far away from the material returning device 300, and corresponds to the bending module 120; the first power system 150 can drive the clamp module 140 and the limiting module 130 to be attached to the bending module 120, and can drive the bending module 120 and the clamp module 140 to rotate synchronously.

In some specific embodiments, in order to enable the first power system 150 to drive the bending module 120 and the clamping module 140 to rotate synchronously, specifically, the first power system 150 includes a motor 151 and a spindle 152, wherein the motor 151 is fixed on a first mounting plate 1511, the spindle 152 is fixed on a second mounting plate 1521 through a bearing sleeve, the motor 151 is connected with the spindle 152 through a coupling, and the spindle 152 is fixedly connected with one of the rotating shafts 123, that is, the spindle 152 is driven to rotate by the motor 151, so as to drive the bending module 120 to rotate.

In some specific embodiments, in order to realize that the first power system 150 can drive the clamp module 140 to attach to the bending module 120, specifically, the first power system 150 further includes a first pushing cylinder 153 and a first movable block 154, the first pushing cylinder 153 drives the first movable block 154 to move up and down through a first transmission structure 155, and the clamp module 140 is fixed to the first movable block 154, that is, the first pushing cylinder 153 drives the clamp module 140 to attach to or separate from the bending module 120 through driving the first movable block 154, so as to clamp or separate the tube.

In some specific embodiments, the first power system 150 further includes a mounting bracket 156, the mounting bracket 156 is fixed on the main shaft 152, and the first transmission structure 155 is mounted on the mounting bracket 156.

In some more specific embodiments, the first transmission structure 155 includes two connection plates 1551, a first swing arm 1552 and a second swing arm 1553 that are spaced apart from each other on the mounting frame 156, the first swing arm 1552 and the second swing arm 1553 are rotatably disposed on the connection plates 1551, wherein the first swing arm 1552 is located above the second swing arm 1553, and the first movable block 154 is rotatably connected to the first swing arm 1552 and the second swing arm 1553, so that the first movable block 154 can move up and down.

Further, the first transmission structure 155 further includes a third swing arm 1554 and a limit arm 1555, the third swing arm 1554 is disposed near the second swing arm 1552 and is rotatably connected to the first movable block 154, and upper and lower ends of the limit arm 1555 are rotatably connected to the connection plate 1551 and the third swing arm 1554, respectively, so as to limit a movable range of the first movable block 154; further, the body of the first pushing cylinder 153 is rotatably connected to the connecting plate 1551, and the cylinder rod of the first pushing cylinder 153 is rotatably connected to the third swinging arm 1554, so that the first pushing cylinder 153 can drive the first movable block 154 to move up and down when driving the third swinging arm 1554.

In some specific embodiments, the first power system 150 further includes a second pushing cylinder 157 and a second movable block 158, the second pushing cylinder 157 drives the second movable block 158 to move up and down through a second transmission mechanism 159, the limiting module 130 is fixed on the second movable block 158, and it should be noted that the second transmission mechanism 159 is installed on the first installation plate 1511 and the second installation plate 1521.

In some more specific embodiments, the second transmission structure 159 includes a guide holder 1591, a third movable block 1592, a fourth swing arm 1593, a fixed arm 1594 and a guide rail 1595, the guide rail 1595 is disposed on the same side as the second movable block 158 and fixedly connected to the second mounting plate 1521, the second movable block 158 is slidably connected to the guide rail 1595, the guide holder 1591 is disposed opposite to the guide rail 1595, the third movable block 1592 is limited on the guide holder 1591 and slidably connected to the guide holder 1591, the fixed arm 1594 is fixed to the second movable block 158, one end of the fourth swing arm 1593 is rotatably connected to the third movable block 1592, further, corresponding openings 1596 are formed on the guide rail 1595 and the second mounting plate 1521, and the fixed arm 1594 passes through the opening 1596 and is rotatably connected to the other end of the fourth swing arm 1593; the second pushing cylinder 157 is fixed on the guide seat 1591, and the second pushing cylinder 157 drives the third movable block 1592 to move back and forth to drive the third movable block 1592 to swing up and down, so that the second movable block 158 can move up and down on the guide rail 1595.

Of course, the second transmission 159 can also be identical to the first transmission 155.

In one embodiment, the bending module 120 has two U-shaped bending dies 122 thereon to improve the pipe bending efficiency; the limiting module 130 and the clamping module 140 are respectively provided with a notch 160 corresponding to the U-shaped bending die 122 for clamping the tube.

In an embodiment, to realize that the material returning device 300 can push the bent pipe away from the pipe bending device 100, specifically, the material returning device 300 includes a first material returning rod 310, a second material returning rod 320, and a second power system 330, where the second material returning rod 320 is located below the first material returning rod 310; the second power system 330 can drive the first and second stripper bars 310 and 320 to push the bent tube away from the bending module 120.

It should be understood that the first and second stripping bars 310, 320 are coaxial with the first and second segments, respectively, such that the first and second stripping bars 310, 320 can push the elbow away.

In some specific embodiments, the second power system 330 includes a third pushing cylinder 331 and a first fixing plate 332, the first fixing plate 332 is fixed on a cylinder rod of the third pushing cylinder 331, and the second material discharging rod 320 is mounted on the first fixing plate 332, that is, the third pushing cylinder 331 can drive the second material discharging rod 320 to reciprocate toward the bending module 120.

In some specific embodiments, the second power system 330 further includes a fourth pushing cylinder 333 and a second fixing plate 334, the fourth pushing cylinder 333 is fixed on the first fixing plate 332, the second fixing plate 334 is fixed on a cylinder rod of the fourth pushing cylinder 333, the first discharging rod 310 is disposed on the second fixing plate 334, that is, the fourth pushing cylinder 333 can drive the first discharging rod 310 to move back and forth towards the bending module 120, it should be noted that the second discharging rod 320 penetrates through the second fixing plate 334, so as to prevent the second discharging rod 320 from being constrained.

It should be understood that the diameters of the first and second material discharging rods 310 and 320 are larger than the inner diameter of the pipe, and the third and fourth pushing cylinders 331 and 333 synchronously move in the same direction during material discharging.

In an embodiment, the front end of the first material-returning rod 310 is disposed on a limiting rod 311, the diameter of the limiting rod 311 is smaller than the diameter of the first material-returning rod 310 and smaller than the inner diameter of the tube, that is, when the feeding device 200 pushes the tube to the bending module 120, the fourth pushing cylinder 333 drives the first material-returning rod 310 to move forward, so that the first section is sleeved on the limiting rod 311 and limited on the first material-returning rod 310, so as to position the first section, control the length of the first section according to the requirement, and further control the length of the second section, so as to improve the adaptability of the pipe bender.

In an embodiment, for bending the pipes with different sizes, the bending module 120, the limiting module 130, the clamping module 140, the first material returning rod 310 and the second material returning rod 320 which are matched with the pipe need to be replaced, and after the replacement is completed, the first material returning rod 310 and the second material returning rod 320 need to correspond to the U-shaped bending die 122 on the bending module 120; for this purpose, the material returning device 300 is further provided with an adjusting member 340 for moving the first material returning rod 310 and the second material returning rod 320 up and down, so that the first material returning rod 310 and the second material returning rod 320 correspond to the U-shaped bending die 122.

Specifically, the adjusting member 340 is a dovetail carriage, the third pushing cylinder 331 is installed at an output end of the adjusting member 340, the dovetail carriage 340 is in the prior art, which is not repeated herein, and the first material returning rod 310 and the second material returning rod 320 are driven by the dovetail carriage 340 to move up and down to align with the U-shaped bending die 122, so that the operation is convenient.

In an embodiment, the feeding device 200 includes a bin 210, a material receiving block 220, a groove changing block 230, and a driving element 240, specifically, the driving element 240 is a fifth driving cylinder, and the bin 210 is a prior art, which is not described herein again.

The material receiving block 220 is arranged adjacent to the stock bin 210, a material receiving groove 221 corresponding to the U-shaped bending die 122 is arranged at the upper end of the material receiving block 220, and a plurality of movable openings 222 are arranged on the material receiving groove 221 close to the stock bin 210 at intervals along a material pushing direction; specifically, the movable opening 222 is an opening that is cut inward along a side of the material receiving block 220 away from the storage bin 210 by a certain depth and vertically penetrates through the material receiving groove 221 close to the storage bin 210, and the cutting path is L-shaped.

Further, the slot changing block 230 corresponds to the movable opening 222, specifically, the slot changing block 230 is L-shaped, and a plurality of the slot changing blocks 230 are connected by a connecting plate; the upper end surface of the groove changing block 230 is an inclined surface 231, and the inclined angle of the inclined surface 231 is the same as the inflow direction of the pipe.

Further, the driving member 240 is disposed on the material receiving block 220 and can drive the groove changing block 230 to move up and down, and when the driving member 240 drives the groove changing block 230 to move up, the pipe flowing out of the storage bin 210 flows into the material receiving groove 221 far away from the storage bin 210 through the inclined surface 231, so that two material receiving grooves 221 are loaded.

In an embodiment, the feeding device 200 further includes a material pushing rod 250 and a third power system 260, wherein the material pushing rod 250 is disposed on the material receiving groove 221; the third power system 260 can drive the material receiving block 220 to approach the bending module 120, and can drive the material pushing rod 250 to push the tube material onto the U-shaped bending die 122.

In some specific embodiments, the third power system 260 includes a sixth pushing cylinder 261 and a guide rail 262, the guide rail 262 is provided with a sliding block 263, the sliding block 263 is fixed on the frame, the receiving block 220 is fixed on the guide rail 262, and the sixth pushing cylinder 261 drives the guide rail 262 to move back and forth toward the bending module 120.

In some specific embodiments, the third power system 260 includes a seventh pushing cylinder 264 and a moving block 265, the seventh pushing cylinder 264 is installed on the guide rail 262, the moving block 265 is disposed on the material receiving block 220 and is adapted to the two material receiving grooves 221, and the material pushing rod 250 is fixed on the moving block 265.

During feeding, the sixth pushing cylinder 261 drives the material receiving block 220 to move on the guide rail 262 and approach the bending module 120, further, the seventh pushing cylinder 264 drives the material pushing rod 250 to push the tube material onto the U-shaped bending die 122, and then the sixth pushing cylinder 261 and the seventh pushing cylinder 264 return synchronously; the time can be effectively saved, and the feeding efficiency is improved.

In an embodiment, the material receiving block 220 is provided with a guide block 223 at a side close to the bending module 120, and the guide block 223 is provided with a guide head 224 corresponding to the material receiving groove 221, so as to improve the precision and stability of the tube material conveying.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A bending machine for bending a tube into a bent tube, the bent tube having a first segment and a second segment, the bending machine comprising:

the pipe bending device is configured to limit the first section and clamp the second section to perform a turning and bending action;

the feeding device is arranged on one side of the pipe bending device and is configured to be capable of executing the action of pushing the pipe to the pipe bending device; and

and the material returning device is arranged on the other side of the pipe bending device and is configured to perform the action of pushing the bent pipe away from the pipe bending device after the pipe is turned and bent into the bent pipe.

2. The bender according to claim 1, wherein the bending device comprises:

a rotating seat; and

the bending module is provided with an arc-shaped end, and the two sides of the arc-shaped end are rotatably connected with the rotating seats.

3. The bender according to claim 2, wherein the bending apparatus further comprises:

the limiting module is positioned above the bending module;

the clamping module is positioned on one side, away from the material returning device, of the limiting module and corresponds to the bending module; and

the first power system can drive the clamp module and the limit module to be attached to the bending module, and can drive the bending module and the clamp module to synchronously rotate.

4. The bender according to claim 3,

the bending module is provided with two U-shaped bending dies, and the limiting module and the clamping module are respectively provided with a notch corresponding to the U-shaped bending dies.

5. The bender according to claim 4, wherein the material returning device comprises:

a first material returning rod;

the second material returning rod is positioned below the first material returning rod; and

and the second power system can drive the first material returning rod and the second material returning rod to push the bent pipe away from the bending module.

6. The bender according to claim 5,

the gag lever post is located to the front end of first material returned pole, the diameter of gag lever post is less than the diameter of first material returned pole, and is less than the internal diameter of tubular product.

7. The bender according to claim 5, wherein the material returning device further comprises:

and the adjusting piece is used for moving the first material returning rod and the second material returning rod up and down so that the first material returning rod and the second material returning rod correspond to the U-shaped bending die.

8. The bending machine according to claim 4, wherein the feeding device includes:

a storage bin;

the material receiving block is arranged adjacent to the material bin, a material receiving groove corresponding to the U-shaped bending die is formed in the upper end of the material receiving block, and a plurality of movable openings are formed in the material receiving groove close to the material bin at intervals along the material pushing direction;

the groove changing block corresponds to the movable opening, the upper end face of the groove changing block is an inclined face, and the inclination angle of the inclined face is the same as the inflow direction of the pipe; and

the driving piece is arranged on the material receiving block and can drive the groove replacing block to move up and down, and when the driving piece drives the groove replacing block to move up, the pipe material flowing out of the stock bin flows into the inclined plane and is far away from the stock bin on the material receiving groove.

9. The bender according to claim 8, wherein the feeding device further comprises:

the material pushing rod is arranged on the material receiving groove; and

and the third power system can drive the material receiving block to be close to the bending module and can drive the material pushing rod to push the pipe to the U-shaped bending die.

10. The bending machine according to claim 8, wherein the receiving block is provided with a guide block on a side close to the bending module, and the guide block is provided with a guide head corresponding to the receiving groove.

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