A turning rack for a pipe production line

Abstract

This invention discloses a material turning rack for a pipe production line in the field of pipe manufacturing technology. It includes a base, a turning assembly, a placement rack, and a buffer mechanism. The turning assembly includes a turning trough, conveying wheels, and a guide plate. The guide plate is connected to an adjustment assembly. The buffer mechanism includes two buffer components, with lifting and driving assemblies connected to both sides. This invention uses the adjustment assembly to tilt the turning trough and guide plate forward, allowing the pipes to move onto the placement rack for collection. The lifting assembly adjusts the position of the buffer components, switching between the front and rear buffer components. When there are few pipes, the front buffer component provides buffering; when there are many pipes, the rear buffer component provides buffering. This allows for switching the buffer components according to the number of pipes, ensuring the buffering function. The buffer components provide buffering, and the driving assembly rotates them, lowering their position below the placement rod, so that after buffering, the pipes can move and be collected.

Description

Technical Field

[0001] This invention relates to the field of pipe manufacturing technology, specifically to a material turning rack for a pipe production line. Background Technology

[0002] During the production and processing of pipes, structures such as tipping racks are needed to transfer and collect the pipes. Existing tipping racks consist of a rotatable and tiltable tipping plate and a placement rack for collecting pipes. The pipes move onto the tipping plate, and then the tipping plate tilts, causing the pipes to roll outwards onto the placement rack. For example, a tipping rack for a PE pipe production line, patent application number CN202122783651.0, includes a support frame and a tipping plate. A guide rod is fixedly connected to the top of the support frame, and an extension mechanism is provided at the front end, extending into the interior of the support frame. An automatic tipping mechanism is provided on the side of the tipping plate, which can store the pipes.

[0003] However, when the aforementioned tipping rack is in use, the pipes roll downwards and collide with the front structure of the support frame at high speeds. Furthermore, each pipe falls without any cushioning and directly collides with the front structure of the support frame or the stacked pipes, which can easily lead to collision damage.

[0004] Based on this, the present invention designs a material turning rack for a pipe production line to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a material turning rack for a pipe production line to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A material turning rack for a pipe production line includes a base, a material turning component is provided on the rear side of the top surface of the base, and multiple placement racks are symmetrically provided on the front side of the bottom surface. Each placement rack includes a placement rod and a stop bar that is vertically fixed to the top of the front end of the placement rod. The bottom of the placement rod is fixedly connected to the base through multiple support rods, and the rear section of the placement rod is inclined upwards and backwards.

[0008] The material turning assembly includes a material turning trough located above the rear side of the base. Multiple conveying wheels are evenly arranged and rotatably connected in the left and right directions in the material turning trough. An inclined baffle is fixed to the rear side of the top of the material turning trough, and a horizontal guide plate is fixed to the front side of the top.

[0009] Short shafts are fixed at both ends of the material turning trough, and support frames are symmetrically fixed on the base. The short shafts are rotatably connected to the support frames, and the rear ends of the placement rods of the placement frames on both sides are fixedly connected to the support frames.

[0010] A fixed box is provided in the middle of the top surface of the base, corresponding to the position below the guide plate. The fixed box contains multiple adjustment components, and the adjustment components are connected to the bottom of the guide plate. The placement rods in the other placement racks, except for the two side placement racks, are fixedly connected to the fixed box.

[0011] A buffer mechanism is provided between the two shelves on the left side, and a buffer mechanism with the same structure is also provided between the two shelves on the right side;

[0012] The buffer mechanism includes two symmetrically arranged drive boxes. The bottom end of the drive box is fixedly connected to the base, and the top end is inclined and parallel to the inclined section of the placement rod.

[0013] Two buffer components are evenly arranged between the two drive boxes. Lifting components are symmetrically arranged at both ends of the buffer components. The drive components are arranged in the inner cavity of the drive box, and the buffer components are connected to the drive components accordingly.

[0014] Preferably, the adjustment assembly includes a slide rod vertically slidably connected to the top of the fixed box, a T-shaped slider rotatably connected to the top of the slide rod, a T-shaped groove corresponding to the bottom of the guide plate, the slider slidably connected to the groove, the bottom end of the slide rod extending into the fixed box and rotatably connected to a top shaft, a rotating disk rotatably connected to the fixed box, a cam groove on the side of the rotating disk near the slide rod, one end of the top shaft extending into the cam groove, and a motor connected to the other side of the rotating disk.

[0015] Preferably, a horizontal plate is fixed on the inner side of the fixed box at the position corresponding to the sliding rod, and the bottom ends of multiple sliding rods are respectively in contact with the horizontal plate through springs.

[0016] Preferably, the buffer assembly includes a rotating column located between two drive boxes. A vertical rotating plate is fixed to the top of the rotating column. A buffer plate is connected to the front side of the rotating plate by a plurality of evenly arranged springs. Buffer rods are symmetrically fixed on the inner side of the buffer plate. The outer ends of the buffer rods pass through and extend out of the rotating plate. A rotating shaft is fixed at the center of the rotating column. The rotating shaft is rotatably connected to the lifting assemblies on both sides, and its end passes through the lifting assemblies and is fixed with a rotating gear. The rotating gear is correspondingly connected to the drive assembly.

[0017] Preferably, the lifting assembly includes a vertical lifting screw rotatably connected to the drive box, a motor connected to the bottom end of the lifting screw, and a lifting block threadedly connected to the lifting screw. The lifting block is slidably connected to the drive box, a corresponding lifting groove is provided on the side wall of the drive box, one end of the lifting block extends out of the lifting groove and is fixed with a vertical lifting plate, a rotating shaft is rotatably connected to the lifting plate, and the rotating gear is located inside the drive box.

[0018] Preferably, a limit block is fixed at the top of the rotating shaft, the limit block is located inside the lifting plate, and a stop shaft is fixed on the inner side of the lifting plate corresponding to the position of the limit block.

[0019] Preferably, the drive assembly includes a fixed shaft fixed to the upper part of the drive housing cavity, a movable seat slidably connected to the fixed shaft, a rack fixed to the bottom of the movable seat, and a rotating gear in the buffer assembly meshing with the bottom of the rack. A movable plate is fixed to one end of the movable seat, a fixed plate is correspondingly provided on the side wall of the drive housing, a spring is connected between the fixed plate and the movable plate, and a cam is provided on the other side of the movable plate, with a motor connected to the cam.

[0020] Preferably, the top surface of the guide rod is provided with a plurality of spring grooves, the length direction of the spring grooves is consistent with the length direction of the guide plate, and a spring block is connected to the spring groove by a plurality of springs that are uniformly arranged. The top cross section of the spring block is set as semi-circular and extends out of the spring groove.

[0021] Preferably, the conveyor wheel has a limiting groove in the middle of its surface, the two side walls of the limiting groove are symmetrically provided with conical surfaces, and the top of the left and right ends of the turning trough are provided with notches.

[0022] Preferably, rubber pads are fixed on the top surface of the placement rod and the rear side of the stop rod.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] 1. The present invention provides a conveyor wheel in the turning trough, which facilitates the movement of the processed pipe fittings to the turning trough. The turning trough and guide plate are tilted forward by adjusting the assembly, so that the pipe fittings are transferred to the placement rack for collection.

[0025] 2. The present invention adjusts the position of the buffer component by lifting component so that when there are few pipes, the front buffer component can be used for buffering, and when there are many pipes, the rear buffer component can be used for buffering. Thus, the buffer component is switched according to the number of pipes to ensure the buffering function.

[0026] 3. The present invention provides a buffering effect through a buffer component, and after buffering, the buffer component is rotated by a drive component to make its position lower than the placement rod, so that the pipe can be moved and collected after buffering. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the structure of the present invention;

[0029] Figure 2 This is a schematic diagram of the material turning trough and placement rack of the present invention;

[0030] Figure 3 This is a schematic diagram of the structure of the fixing box of the present invention;

[0031] Figure 4 This is a schematic diagram of the rotating disk of the present invention;

[0032] Figure 5 This is a schematic diagram of the slider and groove of the present invention;

[0033] Figure 6 This is a schematic diagram of the structure of the guide plate of the present invention;

[0034] Figure 7 This is a schematic diagram of the structure of the annular plate of the present invention;

[0035] Figure 8 This is a schematic diagram of the internal structure of the drive box of the present invention;

[0036] Figure 9 This is a schematic diagram of the end structure of the movable base of the present invention;

[0037] Figure 10 This is a schematic diagram showing the positions of the limiting block and the stop shaft of the present invention.

[0038] The attached diagram lists the components represented by each number as follows:

[0039] 1-Base, 101-Support frame, 102-Support rod, 103-Placement rod, 104-Stop bar;

[0040] 2-Tilting chute, 201-Conveying wheel, 202-Limiting groove, 203-Notch groove, 204-Baffle, 205-Guide plate, 206-Short shaft, 207-Slide groove, 208-Spring groove, 209-Spring block;

[0041] 3-Fixed box, 301-Slide rod, 302-Slider, 303-Top shaft, 304-Rotating disk, 305-Cam groove, 306-Horizontal plate;

[0042] 4-Drive box, 401-Lifting groove, 402-Fixed shaft, 403-Moving seat, 404-Rack, 405-Moving plate, 406-Cam, 407-Fixed plate;

[0043] 5-Rotating column, 501-Rotating plate, 502-Buffer plate, 503-Buffer rod, 504-Rotating shaft, 505-Rotating gear, 506-Limiting block;

[0044] 6-Lifting plate, 601-Lifting block, 602-Lifting screw, 603-Stop shaft. Detailed Implementation

[0045] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0046] Example 1

[0047] Please refer to the accompanying drawings. This invention provides a technical solution:

[0048] A material turning rack for a pipe production line includes a base 1. A material turning component is provided on the rear side of the top surface of the base 1. Multiple placement racks are symmetrically provided on the front side of the bottom surface. Each placement rack includes a placement rod 103 and a stop bar 104 vertically fixed to the top of the front end of the placement rod 103. The bottom of the placement rod 103 is fixedly connected to the base 1 through multiple support rods 102, and the rear section of the placement rod 103 is inclined upwards and backwards.

[0049] The material turning assembly includes a material turning trough 2 located above the rear side of the base 1. Multiple conveying wheels 201 are evenly arranged and rotatably connected in the left and right directions in the material turning trough 2. An inclined baffle 204 is fixed to the rear side of the top of the material turning trough 2, and a horizontal guide plate 205 is fixed to the front side of the top.

[0050] Short shafts 206 are fixed at both ends of the material turning trough 2, and support frames 101 are symmetrically fixed on the base 1. The short shafts 206 are rotatably connected to the support frames 101, and the rear ends of the placement rods 103 of the placement racks on both sides are fixedly connected to the support frames 101.

[0051] A fixed box 3 is provided in the middle of the top surface of the base 1, corresponding to the position below the guide plate 205. The fixed box 3 is provided with multiple adjustment components, and the adjustment components are connected to the bottom of the guide plate 205. The placement rods 103 in the other placement racks, except for the two side placement racks, are fixedly connected to the fixed box 3.

[0052] A buffer mechanism is provided between the two shelves on the left side, and a buffer mechanism with the same structure is also provided between the two shelves on the right side;

[0053] The buffer mechanism includes two symmetrically arranged drive boxes 4. The bottom end of the drive box 4 is fixedly connected to the base 1, and the top end is inclined and parallel to the inclined section of the placement rod 103.

[0054] Two buffer components are evenly arranged between the two drive boxes 4. Lifting components are symmetrically arranged at both ends of the buffer components. The drive components are arranged in the inner cavity of the drive box 4, and the buffer components are connected to the drive components accordingly.

[0055] After the pipe fitting is processed, it moves to the conveyor wheel 201 of the turning trough 2. The adjusting component drives the turning trough 2 and the guide plate 205 to tilt forward and downward, so that the pipe fitting can move to the placement rack and move forward along the inclined section of the placement rod 103.

[0056] When there are fewer pipes on the placement rack, the rear buffer assembly moves down under the action of the lifting assembly and disengages from the drive assembly. The top of the buffer plate 502 is lower than the placement rod 103, leaving the buffer assembly at the front position to buffer the pipes and reduce collision damage to the pipes.

[0057] When there are many pipe fittings, the position of the pipe fittings may obstruct the movement of the front buffer assembly. If it is not convenient to use the front buffer assembly for buffering, the lifting assembly is used to move the front buffer assembly down to offset the position of the pipe fittings, and the rear buffer assembly is moved up to perform the buffering work. In this way, the buffer assembly is switched according to the number of pipe fittings to ensure the buffering function.

[0058] The adjustment assembly includes a slide rod 301 vertically slidably connected to the top of the fixed box 3. A T-shaped slider 302 is rotatably connected to the top of the slide rod 301. A T-shaped groove 207 is provided at the bottom of the guide plate 205. The slider 302 is slidably connected in the groove 207. The bottom end of the slide rod 301 extends into the fixed box 3 and is rotatably connected to a top shaft 303. A rotating disk 304 is rotatably connected in the fixed box 3. A cam groove 305 is provided on the side of the rotating disk 304 near the slide rod 301. One end of the top shaft 303 extends into the cam groove 305, and a motor is connected to the other side of the rotating disk 304.

[0059] When it is necessary to tilt the material turning trough 2 and guide plate 205 forward, the motor causes the rotating disk 304 to rotate, which in turn causes the cam groove 305 to drive the top shaft 303 and slide rod 301 to move downward. The slider 302 rotates relative to the slide rod 301 under the downward movement of the slide rod 301 and slides along the slide groove 207, which drives the guide plate 205 downward, so that the material turning trough 2 and guide plate 205 rotate relative to the short shaft 206 and tilt forward, so that the pipe in the material turning trough 2 can be moved along the guide plate 205 onto the placement rack.

[0060] Among them, a horizontal plate 306 is fixed on the inner side of the fixed box 3 at the position corresponding to the slide rod 301. The bottom ends of multiple slide rods 301 are in contact with the horizontal plate 306 through springs. Through the action of the springs, the top shaft 303 of the slide rod 301 can maintain contact with the side wall of the cam groove 305, thereby improving the stability of the transmission.

[0061] The buffer assembly includes a rotating column 5 located between two drive boxes 4. A vertical rotating plate 501 is fixed to the top of the rotating column 5. A buffer plate 502 is connected to the front side of the rotating plate 501 by a plurality of evenly arranged springs. Buffer rods 503 are symmetrically fixed on the inner side of the buffer plate 502. The outer ends of the buffer rods 503 pass through and extend out of the rotating plate 501. A rotating shaft 504 is fixed at the center of the rotating column 5. The rotating shaft 504 is rotatably connected to the lifting assemblies on both sides, and its end passes through the lifting assemblies and is fixed with a rotating gear 505. The rotating gear 505 is correspondingly connected to the drive assembly. A rubber pad is fixed on the side of the buffer plate 502. The rubber pad reduces the impact of the pipe on the side of the buffer plate 502.

[0062] When the tipping trough 2 tilts under the action of the adjusting component, the pipe moves along the guide plate 205 to the placement rod 103 and contacts the buffer plate 502 on the front buffer component. It is buffered by the spring, and then the driving component drives the rotating gear 505 to rotate, which in turn causes the rotating shaft 504 to drive the buffer plate 502 and other structures to rotate forward, so that the position of the buffer plate 502 is lower than the placement rod 103, and the pipe can continue to move forward after buffering.

[0063] The lifting assembly includes a vertical lifting screw 602 rotatably connected to the drive box 4. A motor is connected to the bottom end of the lifting screw 602, and a lifting block 601 is threaded onto the lifting screw 602. The lifting block 601 is slidably connected to the drive box 4. A corresponding lifting groove 401 is provided on the side wall of the drive box 4. One end of the lifting block 601 extends out of the lifting groove 401 and is fixed with a vertical lifting plate 6. A rotating shaft 504 is rotatably connected to the lifting plate 6, and a rotating gear 505 is located inside the drive box 4. When the buffer assembly needs to be moved, the motor causes the lifting screw 602 to rotate, thereby causing the lifting block 601 to drive the lifting plate 6 to move, thereby adjusting the position of the rotating shaft 504 and its structure, and connecting or disengaging the rotating gear 505 from the drive assembly.

[0064] The drive assembly includes a fixed shaft 402 fixed to the upper part of the inner cavity of the drive housing 4. A movable seat 403 is slidably connected to the fixed shaft 402. A rack 404 is fixed to the bottom of the movable seat 403. The rotating gear 505 in the buffer assembly meshes with the bottom of the rack 404. A movable plate 405 is fixed to one end of the movable seat 403. A fixed plate 407 is correspondingly provided on the side wall of the drive housing 4. A spring is connected between the fixed plate 407 and the movable plate 405. A cam 406 is provided on the other side of the movable plate 405. The cam 406 is connected to a motor. When the buffer assembly needs to be rotated, the motor causes the cam 406 to rotate, thereby causing the movable plate 405 to compress the spring and drive the movable seat 403 and the rack 404 to move. This causes the rotating gear 505 to drive the rotating shaft 504 and the buffer plate 502 to rotate. After the movable plate 405 and other structures have moved into place, the cam 406 can be reversed back to its original position to prevent the cam 406 from contacting the fixed shaft 402.

[0065] Example 2

[0066] The structure of this embodiment is basically the same as that of embodiment one. The difference is that a limiting block 506 is fixed at the top of the rotating shaft 504. The limiting block 506 is located inside the lifting plate 6. A stop shaft 603 is fixed on the inner side of the lifting plate 6 corresponding to one side of the limiting block 506. Under the action of the torsion spring at the rotating shaft 504, the limiting block 506 contacts the stop shaft 603, restricting the position of the rotating plate 501 and the buffer plate 502, so that they can remain vertical or nearly vertical when there is no driving component, and prevent the baffle 204 and the buffer plate 502 from rotating too much to the rear under the action of the torsion spring.

[0067] Example 3

[0068] The structure of this embodiment is basically the same as that of Embodiment 1. The difference is that the top surface of the guide rod is uniformly provided with a plurality of spring grooves 208. The length direction of the spring grooves 208 is consistent with the length direction of the guide plate 205. The spring grooves 208 are connected to spring blocks 209 by a plurality of springs that are uniformly arranged. The top cross section of the spring block 209 is set as semi-circular and extends out of the spring groove 208. When the guide plate 205 tilts forward and the tube moves along the top surface of the guide plate 205, it contacts the spring block 209 multiple times and presses it down to continue moving backward, thereby providing a deceleration and buffering effect through the springs and spring blocks 209.

[0069] Example 4

[0070] The structure of this embodiment is basically the same as that of embodiment one. The difference is that a limiting groove 202 is provided around the middle of the wheel surface of the conveyor wheel 201. Conical surfaces are provided symmetrically on both sides of the limiting groove 202. Notch grooves 203 are provided at the top positions of the left and right ends of the turning trough 2. When the pipe moves along the conveyor wheel 201 to the turning trough 2 for feeding through the limiting groove 202, it can be located in the middle of the conveyor wheel 201. The notch grooves 203 prevent the pipe from contacting the top ends of the turning trough 2.

[0071] Rubber pads are fixed to the top surface of the placement rod 103 and the rear side of the stop rod 104 to provide a certain buffer and anti-collision function, thus protecting the placement rod 103 and the stop rod 104.

[0072] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0073] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to specific implementations. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A material turning rack for a pipe production line, comprising a base (1), a material turning assembly provided on the rear side of the top surface of the base (1), and multiple placement racks symmetrically provided on the front side of the bottom surface. Each placement rack includes a placement rod (103) and a stop bar (104) vertically fixed to the top of the front end of the placement rod (103). The bottom of the placement rod (103) is fixedly connected to the base (1) by multiple support rods (102), and the rear section of the placement rod (103) is inclined upwards and backwards. The characteristic feature is that: The material turning assembly includes a material turning trough (2) located above the rear side of the base (1). Multiple conveying wheels (201) are evenly arranged and rotatably connected in the left and right directions in the material turning trough (2). An inclined baffle (204) is fixed on the rear side of the top of the material turning trough (2), and a horizontal guide plate (205) is fixed on the front side of the top. The left and right ends of the turning trough (2) are fixed with short shafts (206), and the base (1) is symmetrically fixed with support frames (101). The short shafts (206) are rotatably connected to the support frames (101), and the rear ends of the placement rods (103) of the placement racks on both sides are fixedly connected to the support frames (101). A fixed box (3) is provided in the middle of the top surface of the base (1) corresponding to the position below the guide plate (205). The fixed box (3) is provided with multiple adjustment components, and the adjustment components are connected to the bottom of the guide plate (205). The placement rods (103) in the other placement racks, except for the two side placement racks, are fixedly connected to the fixed box (3). A buffer mechanism is provided between the two placement racks on the left side, and a buffer mechanism with the same structure is also provided between the two placement racks on the right side; The buffer mechanism includes two symmetrically arranged drive boxes (4), the bottom end of the drive box (4) is fixedly connected to the base (1), the top end is inclined and parallel to the inclined section of the placement rod (103); Two buffer components are evenly arranged between the two drive boxes (4), and lifting components are symmetrically arranged at both ends of the buffer components. The drive components are arranged in the inner cavity of the drive box (4), and the buffer components are connected to the drive components accordingly. The buffer assembly includes a rotating column (5) located between two drive boxes (4). A vertical rotating plate (501) is fixed to the top of the rotating column (5). A buffer plate (502) is connected to the front side of the rotating plate (501) by a plurality of evenly arranged springs. A buffer rod (503) is symmetrically fixed on the inner side of the buffer plate (502). The outer end of the buffer rod (503) passes through and extends out of the rotating plate (501). A rotating shaft (504) is fixed at the center of the rotating column (5). The rotating shaft (504) is rotatably connected to the lifting assemblies on both sides, and its end passes through the lifting assemblies and is fixed with a rotating gear (505). The rotating gear (505) is correspondingly connected to the drive assembly. The lifting assembly includes a vertical lifting screw (602) rotatably connected to the drive box (4), a motor connected to the bottom end of the lifting screw (602), and a lifting block (601) threadedly connected to the lifting screw (602). The lifting block (601) is slidably connected to the drive box (4). A corresponding lifting groove (401) is provided on the side wall of the drive box (4). One end of the lifting block (601) extends out of the lifting groove (401) and is fixed with a vertical lifting plate (6). The rotating shaft (504) is rotatably connected to the lifting plate (6), and the rotating gear (505) is located inside the drive box (4). The drive assembly includes a fixed shaft (402) fixed to the upper part of the inner cavity of the drive box (4), a movable seat (403) slidably connected to the fixed shaft (402), a rack (404) fixed to the bottom of the movable seat (403), and a rotating gear (505) in the buffer assembly meshing with the bottom of the rack (404). A movable plate (405) is fixed to one end of the movable seat (403), a fixed plate (407) is correspondingly provided on the side wall of the drive box (4), a spring is connected between the fixed plate (407) and the movable plate (405), and a cam (406) is provided on the other side of the movable plate (405), and a motor is connected to the cam (406).

2. The material turning rack for a pipe production line according to claim 1, characterized in that: The adjustment assembly includes a slide rod (301) vertically slidably connected to the top of the fixed box (3). A T-shaped slider (302) is rotatably connected to the top of the slide rod (301). A T-shaped groove (207) is provided at the bottom of the guide plate (205). The slider (302) is slidably connected in the groove (207). The bottom end of the slide rod (301) extends into the fixed box (3) and is rotatably connected to a top shaft (303). A rotating disk (304) is rotatably connected in the fixed box (3). A cam groove (305) is provided on the side of the rotating disk (304) near the slide rod (301). One end of the top shaft (303) extends into the cam groove (305), and a motor is connected to the other side of the rotating disk (304).

3. The material turning rack for a pipe production line according to claim 2, characterized in that: A horizontal plate (306) is fixed on the inner side of the fixed box (3) at the position corresponding to the slide rod (301), and the bottom ends of the multiple slide rods (301) are respectively in contact with the horizontal plate (306) through springs.

4. The material turning rack for a pipe production line according to claim 1, characterized in that: A limit block (506) is fixed at the top of the rotating shaft (504). The limit block (506) is located inside the lifting plate (6). A stop shaft (603) is fixed on the inner side of the lifting plate (6) corresponding to the position of the limit block (506).

5. The material turning rack for a pipe production line according to claim 1, characterized in that: The top surface of the guide plate is uniformly provided with multiple spring grooves (208). The length direction of the spring grooves (208) is consistent with the length direction of the guide plate (205). A spring block (209) is connected in the spring groove (208) by multiple springs that are uniformly arranged. The top section of the spring block (209) is set as a semi-circle and extends out of the spring groove (208).

6. The material turning rack for a pipe production line according to claim 1, characterized in that: The conveyor wheel (201) has a limiting groove (202) around the middle of its wheel surface. The two side walls of the limiting groove (202) are symmetrically provided with conical surfaces, and the top of the left and right ends of the turning trough (2) are provided with notch grooves (203).

7. The material turning rack for a pipe production line according to any one of claims 1 to 6, characterized in that: Rubber pads are fixed to the top surface of the placement rod (103) and the rear side of the stop rod (104).

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