Plastic pipe bending setting machine

Abstract

A plastic pipe bending setting machine comprises a base, a driving mechanism installed on the base and a pipe bending mechanism fixed to the base, and the pipe bending mechanism comprises two stand columns installed on the base in a spaced mode, a supporting beam installed on the tops of the two stand columns in a crossing mode, a guide base installed below the supporting beam and a V-shaped frame movably installed below the guide base. A machining channel for a pipe to pass through is formed between the guide seat and the V-shaped frame, the V-shaped frame is connected with the driving mechanism through the connecting rod mechanism, the connecting rod mechanism converts horizontal acting force of the driving mechanism into vertical acting force of the V-shaped frame, the heated pipe is placed in the machining channel, the V-shaped frame is driven by the driving mechanism to move upwards, and the pipe is machined. And in the connecting rod mechanism, a T-shaped block can change the driving torque so as to form the effect of a labor-saving lever, so that the driving mechanism can provide larger driving force, the operation is simpler and more convenient, the damage to the pipe is smaller, and the efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic pipe processing equipment, in particular to a plastic pipe bending and shaping machine. Background Art

[0002] The applicant has previously applied for and disclosed a utility model patent for a highly wear-resistant and external pressure-resistant MPP power pipe, with patent application number CN202022221570.7. The specific structure includes a power pipe body, which includes an inner pipe body, a structural reinforcement layer, a flame retardant layer, an outer pipe body, and an antibacterial and wear-resistant layer arranged in sequence from the inside to the outside, and a protruding structure one for enhancing the pressure resistance is provided on the outer wall of the inner pipe body, and the protruding structure one includes a plurality of first protrusions arranged in an annular manner on the outer wall of the inner pipe body; a protruding structure two for enhancing the pressure resistance is provided on the outer wall of the outer pipe body, and the protruding structure two includes a plurality of second protrusions arranged in an annular manner on the outer wall of the outer pipe body. In this structure, the compressive strength of the MPP power pipe is further enhanced by the protruding structure one and the protruding structure two, thereby ensuring that the MPP power pipe can protect the cables stably and effectively for a long time.

[0003] However, in the actual laying process, when encountering corners, especially curved corners, even if elbows are used for docking, it is still impossible to ensure that the pipe fittings fit the curved corners. Therefore, elbows with corresponding bending curvatures are required for splicing. The current commonly used method for bending power pipes is to use hot bending. First, the power pipe is locally heated to a certain temperature to soften it, and then pressure is applied to the bending point manually or by pressure equipment to bend the power pipe to a certain curvature. Finally, the power pipe is fixed and waited for cooling to form. However, this bending method is usually used for pipes with simple structure, light weight, and small diameter. For the above-mentioned MPP power pipe with higher structural strength, better bending coefficient, and larger diameter, it is obviously difficult to achieve with conventional bending methods. Not only is it difficult to operate, but it is also easy to cause damage to the pipe fittings. Therefore, a plastic pipe bending shaping device is needed. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a plastic pipe bending and shaping machine.

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

[0006] A plastic pipe bending and shaping machine comprises a base, a driving mechanism movably mounted on the base and a bending mechanism fixed on the base, the bending mechanism comprising two columns spaced apart and mounted on the base, a support beam mounted across the tops of the two columns, a guide seat mounted below the support beam and a V-shaped frame movably mounted below the guide seat, the V-shaped frame slidably cooperates with the columns on both sides, a connecting rod mechanism is further arranged between the V-shaped frame and the driving mechanism, the driving mechanism drives the V-shaped frame to slide up and down through the connecting rod mechanism, and the connecting rod mechanism converts the horizontal driving force provided by the driving mechanism into the vertical force of the V-shaped frame;

[0007] The connecting rod mechanism includes a T-shaped block and a first connecting rod, a second connecting rod and a third connecting rod, one end of which is hinged to the three ends of the T-shaped block respectively. The other end of the first connecting rod is connected to the driving mechanism, the other end of the second connecting rod is hinged to the base, and the other end of the third connecting rod is hinged to the bottom of the V-shaped frame. The angles among the first connecting rod, the second connecting rod and the third connecting rod are all obtuse angles.

[0008] In the utility model, a detachable guide block is provided below the guide seat, and a space which can accommodate pipes of various diameters is provided on the top of the V-shaped frame. After the guide blocks of different specifications are replaced on the guide seat, they cooperate with the V-shaped frame to form processing channels of different diameters.

[0009] Furthermore, the guide block is provided with a guide groove having the same diameter as the pipe to be processed, and the V-shaped frame is provided with a bracket capable of accommodating pipes of various diameters, and the guide groove and the bracket respectively form the top surface and the abutment of the processing channel.

[0010] In the utility model, a slot for installing a guide block is provided at the bottom of the guide seat, the slot penetrates the guide seat front and back, the top of the guide block slides and is inserted into the slot, and a stopper for limiting the guide block from sliding out of the slot is provided on the guide seat. The stopper is provided in two groups and is rotatably installed at the slot openings at both ends of the guide seat. Under normal circumstances, the stopper blocks block the two ends of the slot to close the slot, and the slot is opened when the stopper is rotated upward.

[0011] Furthermore, the two groups of guide blocks are connected by a linkage rod to achieve synchronous movement. The linkage rod is located on one side of the guide seat. The guide seat is also provided with a lower buckle for keeping the block in a closed state and an upper buckle for keeping the block in an open state on one side of the linkage rod. The lower buckle and the upper buckle are engaged with the linkage rod.

[0012] In the utility model, the inner sides of the two uprights are provided with sliding guide rails, the two sliding guide rails are arranged opposite to each other, and the two sides of the V-shaped frame are provided with guide wheels for matching with the sliding guide rails.

[0013] Furthermore, two groups of sliding guide rails are provided on the same column, and the two groups of sliding guide rails are symmetrically arranged front and back. Two groups of guide wheels on the V-shaped frame are provided corresponding to the sliding guide rails, and the two groups of guide wheels clamp the front and rear groups of sliding guide rails.

[0014] In the utility model, the driving mechanism includes a driving seat, a hydraulic driving device installed on the driving seat, and an adjusting device installed between the driving seat and the base, the adjusting device includes an adjusting seat fixed on the base, a slider slidably fitted on the adjusting seat, and a handle rotatably fitted on the adjusting seat, the adjusting seat is provided with a stroke groove extending in the front-to-back direction, the handle is provided with a screw extending into the stroke groove, one end of the slider extends into the stroke groove and is threadedly connected to the screw, the hydraulic driving device is installed on the slider, and when the handle is rotated, the hydraulic driving device is driven to move forward and backward through the slider to adjust the height of the V-shaped frame.

[0015] The utility model has the following advantages and beneficial effects:

[0016] A guide seat is arranged below the support beam, and a V-shaped frame is arranged between two columns. A processing channel for the pipe to pass through is formed between the guide seat and the V-shaped frame. The V-shaped frame is connected to the driving mechanism through a connecting rod mechanism, and the connecting rod mechanism converts the horizontal force of the driving mechanism into the vertical force of the V-shaped frame. It is only necessary to put the heated pipe into the processing channel, and the V-shaped frame is driven to move upward by the driving mechanism. The guide block is against the bending part of the pipe, and the V-shaped frame is against the two ends of the bending part. The pipe is bent in the process of the V-shaped frame applying pressure upward. The bending angle can be adjusted by controlling the upward movement distance of the V-shaped block. Finally, the pipe is shaped and cooled by maintaining the force of the driving mechanism to obtain a bent pipe. In the connecting rod mechanism, the T-shaped block can change the driving torque to form the effect of a labor-saving lever, so that the driving mechanism can provide a greater driving force, which is not only simpler and more convenient to operate, but also less harmful to the pipe and more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0018] Figure 1 Schematic diagram of the pipe bending machine in this embodiment;

[0019] Figure 2 is a front view of the pipe bending mechanism in this embodiment;

[0020] Figure 3 Schematic diagram of the installation of the guide seat and the guide block in this embodiment;

[0021] Figure 4 for Figure 1 A magnified image of area A;

[0022] Figure 5Schematic diagram of the installation of the driving mechanism in this embodiment;

[0023] Figure 6 Schematic diagram of tube bending in this embodiment. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, but the utility model is not limited to the following embodiments.

[0025] like Figures 1 to 6 As shown, the present embodiment discloses a plastic pipe bending and shaping machine, comprising a base 1, a driving mechanism 2 movably mounted on the base 1, and a bending mechanism 3 fixed on the base 1, wherein the bending mechanism 3 comprises two columns 30 extending vertically upward and installed at intervals on the base 1, a supporting beam 31 installed across the tops of the two columns 30, a guide seat 32 installed below the supporting beam 31, and a V-shaped frame 33 movably installed below the guide seat 32, wherein the V-shaped frame 33 is slidably matched with the columns 30 on both sides, and a processing channel 4 for the pipe to pass through is formed between the V-shaped frame 33 and the guide seat 32. When bending, the locally heated pipe is placed in the processing channel 4, and then the driving mechanism 2 is connected to the V-shaped frame 33 and drives the V-shaped frame 33 to slide up and down along the columns 30 to bend the pipe. Specifically, a connecting rod mechanism 5 is provided between the V-shaped frame 33 and the driving mechanism 2, and the driving mechanism 2 is connected to the V-shaped frame 33. The V-shaped frame 33 is driven to move by the connecting rod mechanism 5, and the connecting rod mechanism 5 includes a T-shaped block 50 and a first connecting rod 51, a second connecting rod 52 and a third connecting rod 53, one end of which is hinged on the three ends of the T-shaped block 50 respectively. The other end of the first connecting rod 51 is connected to the driving mechanism 2, preferably by a ball head fitting connection, the other end of the second connecting rod 52 is hinged on the base 1, specifically, it is first hinged on the hinge seat 54, and the hinge seat 54 is then fixed on the base 1, and the other end of the third connecting rod 53 is hinged at the bottom of the V-shaped frame 33, and the angles among the first connecting rod 51, the second connecting rod 52 and the third connecting rod 53 are all obtuse angles. The horizontal driving force provided by the driving mechanism 2 is converted into a vertical force of the V-shaped frame 33 through the connecting rod mechanism 5, and the driving mechanism 2 is driven by the T-shaped block 50 in the connecting rod mechanism 5 to form an effect of a labor-saving lever, so that the driving mechanism 2 can provide a greater driving force.

[0026] Specifically, a detachable guide block 34 is provided below the guide seat 32, and a V-shaped frame 33 capable of accommodating pipes of various diameters is provided on the top of the V-shaped frame 33. By replacing guide blocks 34 of different specifications to cooperate with the V-shaped frame 33, the processing channel 4 suitable for pipes of different diameters is formed.

[0027] Furthermore, the guide block 34 is provided with a guide groove 340 having the same diameter as the pipe to be processed, and the V-shaped frame 33 is provided with a bracket 330 capable of accommodating pipes of various diameters. The guide groove 340 and the bracket 330 respectively form the top and bottom surfaces of the processing channel 4.

[0028] In this embodiment, a slot 320 for installing a guide block 34 is provided at the bottom of the guide seat 32. In order to facilitate the installation of the guide block 34, the slot 320 penetrates the guide seat 32 from front to back, and the top of the guide block 34 slides into the slot 320. The guide seat (32) is also provided with a stopper 36 for limiting the guide block 34 from sliding out of the slot 320. The stopper 36 is rotatably installed at the openings of the slot 320 at both ends of the guide seat 32. Under normal circumstances, the stopper 36 blocks the two ends of the slot 320, thereby closing the slot 320 and limiting the guide block 34 from sliding out. When the stopper 36 is rotated upward, the slot 320 can be opened to replace the guide block 34.

[0029] Furthermore, the guide blocks 34 at both ends of the guide seat 32 are connected by a linkage rod 360 to achieve synchronous action. The linkage rod 360 is located at one side of the guide seat 32. The guide seat 32 is also provided with a lower buckle 361 for keeping the block 36 in a closed state and an upper buckle 362 for keeping the block 36 in an open state on one side of the linkage rod 360. The lower buckle 361 and the upper buckle 362 are engaged with the linkage rod 360. When the guide block 34 needs to be replaced, the block 36 can be rotated upward to make the linkage rod 360 snap into the upper buckle 362, so that the block 36 remains in an open state, which facilitates the guide block 34 to snap into the slot 320. When the replacement is completed, the block 36 is rotated downward to make the linkage rod 360 snap into the lower buckle 361, so that the block 36 remains in a closed state.

[0030] In this embodiment, in order to make the V-shaped frame 33 slide more smoothly along the column 30, sliding guide rails 37 are provided on the inner sides of the two columns 30. The two sliding guide rails 37 are arranged opposite to each other, and guide wheels 331 that cooperate with the sliding guide rails 37 are provided on both sides of the V-shaped frame 33.

[0031] Furthermore, in order to improve the lateral limiting effect of the V-shaped frame 33, two groups of sliding guide rails 37 are provided on the same column 30, and the two groups of sliding guide rails 37 are symmetrically oriented to the front and rear sides, and two groups of guide wheels 331 on the V-shaped frame 33 are provided corresponding to the sliding guide rails 37. The two groups of guide wheels 331 clamp the front and rear groups of sliding guide rails 37. When the V-shaped frame 33 is subjected to lateral force, the force can be applied vertically to the sliding guide rails 37 through the guide wheels, thereby improving the structural stability.

[0032] In this embodiment, the driving mechanism 2 includes a driving seat 21, a hydraulic driving device 22 installed on the driving seat 21, and an adjusting device 23 installed between the driving seat 21 and the base 1. The adjusting device 23 is used to adjust the height of the V-shaped frame 33 after replacing the guide block 34, thereby adjusting the size of the processing channel 4. The adjusting device 23 includes an adjusting seat 231 fixed on the base 1, a slider 232 slidably engaged on the adjusting seat 231, and a handle 233 rotatably engaged on the adjusting seat 231. The adjusting seat 231 is provided with a stroke groove 234 extending in the front-to-back direction. The handle 233 extends a screw 235 into the stroke groove 234. One end of the slider 232 extends into the stroke groove 234 and is threadedly connected to the screw 235. When the handle 233 is rotated, the slider 232 can be driven to slide in the front-to-back reverse direction, and the hydraulic driving device 22 installed on the slider 232 moves synchronously back and forth to achieve the adjustment of the V-shaped frame 33.

[0033] The above contents described in this specification are merely examples of the present invention. Technicians in the technical field to which the present invention belongs can make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the contents of the present invention specification or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A plastic pipe bending and shaping machine, characterized in that: The invention comprises a base (1), a driving mechanism (2) movably mounted on the base (1), and a bending mechanism (3) fixed on the base (1); the bending mechanism (3) comprises two columns (30) installed at intervals on the base (1), a support beam (31) installed across the tops of the two columns (30), a guide seat (32) installed below the support beam (31), and a V-shaped frame (33) movably mounted below the guide seat (32); the V-shaped frame (33) is slidably matched with the columns (30) on both sides; a connecting rod mechanism (5) is further provided between the V-shaped frame (33) and the driving mechanism (2); the driving mechanism (2) drives the V-shaped frame (33) to slide up and down through the connecting rod mechanism (5); and the connecting rod mechanism (5) converts the horizontal driving force provided by the driving mechanism (2) into a vertical force of the V-shaped frame (33); The connecting rod mechanism (5) comprises a T-shaped block (50) and a first connecting rod (51), a second connecting rod (52) and a third connecting rod (53) each having one end hinged to three ends of the T-shaped block (50), the other end of the first connecting rod (51) being connected to the driving mechanism (2), the other end of the second connecting rod (52) being hinged to the base (1), the other end of the third connecting rod (53) being hinged to the bottom of the V-shaped frame (33), and the angles between the first connecting rod (51), the second connecting rod (52) and the third connecting rod (53) are all obtuse angles.

2. A plastic pipe bending and shaping machine according to claim 1, characterized in that: A detachable guide block (34) is provided below the guide seat (32). After the guide blocks (34) of different specifications are replaced on the guide seat (32), they cooperate with the V-shaped frame (33) to form processing channels (4) of different sizes.

3. A plastic pipe bending and shaping machine according to claim 2, characterized in that: The guide block (34) is provided with a guide groove (340) having the same diameter as the pipe to be processed, and the V-shaped frame (33) is provided with a bracket (330) capable of accommodating pipes of various diameters, and the guide groove (340) and the bracket (330) respectively form the top surface and bottom surface of the processing channel (4).

4. A plastic pipe bending and shaping machine according to claim 2, characterized in that: A slot (320) for mounting a guide block (34) is provided at the bottom of the guide seat (32), the slot (320) penetrates the guide seat (32) from front to back, the top of the guide block (34) slides into the slot (320), and a stopper (36) for limiting the guide block (34) from sliding out of the slot (320) is provided on the guide seat (32), the stopper (36) being provided in two groups and being rotatably mounted at the openings of the slot (320) at both ends of the guide seat (32), and under normal conditions, the stopper (36) blocks the two ends of the slot (320) to close the slot (320), and the slot (320) is opened when the stopper (36) is rotated upward.

5. A plastic pipe bending and shaping machine according to claim 4, characterized in that: The two groups of guide blocks (34) are connected by a linkage rod (360) to achieve synchronous movement. The linkage rod (360) is located on one side of the guide seat (32). A lower buckle (361) for keeping the block (36) in a closed state and an upper buckle (362) for keeping the block (36) in an open state are also provided on one side of the guide seat (32) located on the linkage rod (360). The lower buckle (361) and the upper buckle (362) are engaged with the linkage rod (360).

6. The plastic pipe bending and shaping machine according to claim 1, characterized in that: Sliding guide rails (37) are provided on the inner sides of the two upright posts (30), the two sliding guide rails (37) are arranged opposite to each other, and guide wheels (331) for matching with the sliding guide rails (37) are provided on both sides of the V-shaped frame (33).

7. A plastic pipe bending and shaping machine according to claim 6, characterized in that: Two groups of the sliding guide rails (37) are provided on the same column (30), and the two groups of the sliding guide rails (37) are symmetrically arranged front and rear. Two groups of guide wheels (331) on the V-shaped frame (33) are provided corresponding to the sliding guide rails (37), and the two groups of guide wheels (331) clamp the two groups of sliding guide rails (37) front and rear.

8. The plastic pipe bending and shaping machine according to claim 1, characterized in that: The driving mechanism (2) comprises a driving seat (21), a hydraulic driving device (22) mounted on the driving seat (21), and an adjusting device (23) mounted between the driving seat (21) and the base (1); the adjusting device (23) comprises an adjusting seat (231) fixed on the base (1), a sliding block (232) slidably engaged with the adjusting seat (231), and a handle (233) rotatably engaged with the adjusting seat (231); a travel groove (234) extending in a front-to-rear direction is provided on the adjusting seat (231); a screw rod (235) extends from the handle (233) into the travel groove (234); one end of the sliding block (232) extends into the travel groove (234) and is threadedly connected to the screw rod (235); the hydraulic driving device (22) is mounted on the sliding block (232); when the handle (233) is rotated, the hydraulic driving device (22) is driven by the sliding block (232) to move forward and backward, thereby adjusting the height of the V-shaped frame (33).

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