HDPE (high-density polyethylene) double-wall corrugated pipe port expanding device

Abstract

The utility model discloses a port expanding device for an HDPE (high-density polyethylene) double-wall corrugated pipe. Relates to the technical field of corrugated pipe processing. When a clamping block of the port expanding device clamps a long corrugated pipe, a jacket can only clamp the two sides of the bottom of the long corrugated pipe, and the position of the upper section of the corrugated pipe can be affected by work of a flaring block to deviate in the flaring process. The lifting device comprises a shell, a lifting table and a fixing part, the lifting table is fixedly arranged in the shell, and the fixing part is arranged in the shell and located above the output end of the lifting table. A rotating rod is rotated to drive a second bevel gear to rotate, the second bevel gear rotates to drive a lifting screw to rotate, the lifting screw rotates to drive a lifting clamping plate to vertically move under the action of threads, and the height of the lifting clamping plate can be adjusted; and then the servo motor is rotated to stably clamp the corrugated pipes with different lengths, and the situation that the corrugated pipes deviate in the flaring process is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to corrugated pipe processing technical field, specifically is a kind of HDPE double-wall corrugated pipe port expansion device. BACKGROUND

[0002] High-density polyethylene double-wall corrugated pipe is a new type of pipe material with annular structure outer wall and smooth inner wall, and the inner wall color of double-wall corrugated pipe is usually blue and black, and some brands use yellow for inner wall, double-wall corrugated pipe has excellent chemical stability, aging resistance and environmental stress cracking resistance, and the HDPE double-wall corrugated pipe produced by using it as raw material belongs to flexible pipe, and port expansion device needs to be used in the processing process of corrugated pipe.

[0003] The existing port expansion device is usually composed of a flaring structure and a fixing structure, and the two sides of the corrugated pipe are clamped and fixed by the two groups of clamping blocks of the fixing structure, and then the port of the corrugated pipe is expanded by the flaring block of the flaring structure, since there is a gap in the size of the corrugated pipe, when the clamping blocks clamp the corrugated pipe with a longer length, only the two sides of the bottom of the corrugated pipe can be clamped, and the upper segment position of the corrugated pipe will deviate during the flaring process due to the influence of the work of the flaring block, thereby affecting the flaring effect of the corrugated pipe. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of HDPE double-wall corrugated pipe port expansion device to solve the problem that the clamping block of the port expansion device in the above background technology can only clamp the two sides of the bottom of the corrugated pipe when clamping the corrugated pipe with a longer length, and the upper segment position of the corrugated pipe will deviate during the flaring process due to the influence of the work of the flaring block.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of HDPE double-wall corrugated pipe port expansion device, including shell, lifting platform and fixed part, the lifting platform is fixedly arranged in the shell, the fixed part is arranged in the shell, and the fixed part is located above the output end of the lifting platform, the fixed part has lifting plate fixedly arranged above the output end of the lifting platform, the outer wall of the lifting plate is fixedly provided with servo motor, the output end of the servo motor is fixedly provided with double-way screw rod, and the double-way screw rod is rotatably connected with the lifting plate, the inside of the lifting plate is slidably connected with screw block, and the screw block is threadedly connected with the double-way screw rod, the clamping frame is fixedly arranged above the screw block, the inside of the clamping frame is fixedly provided with fixed plate, the inside of the clamping frame is provided with lifting screw rod, and the lifting screw rod is rotatably connected with the fixed plate, the lifting screw rod is threadedly connected with lifting clamping plate above, the bottom end of the lifting screw rod is fixedly provided with first bevel gear, the inside bottom of the clamping frame is rotatably connected with rotating rod, the rotating rod is fixedly sleeved with second bevel gear, and the second bevel gear is meshingly connected with the first bevel gear, the lifting screw rod rotates to drive the lifting clamping plate to move vertically in the inside of the clamping frame.

[0006] By adopting the technical scheme, the rotating rod is rotated to drive the second bevel gear to rotate, the second bevel gear is rotated to drive the lifting screw to rotate, the lifting screw is rotated to drive the lifting clamping plate to move vertically under the action of the screw thread, the height of the lifting clamping plate can be adjusted, then the servo motor is rotated to stably clamp the corrugated pipe with different lengths, and the deviation of the corrugated pipe in the flaring process is reduced.

[0007] Preferably, the fixing part further has connecting rods hinged to both sides of the lifting clamping plate, and the other ends of the connecting rods are hinged with sliding blocks, and a sliding frame is slidingly connected above the lifting plate, and the lifting plate and the sliding blocks are slidingly connected in the sliding frame.

[0008] By adopting the technical scheme, the two sides of the lifting clamping plate are limited by the cooperation of the connecting rods, the sliding blocks and the sliding frame, the stability of the lifting clamping plate after height adjustment is ensured, and then the stability of the corrugated pipe after fixing is ensured.

[0009] Preferably, the rotating rod is rotationally connected to one end of the inside of the clamping frame and the inner wall of the clamping frame, and a rotating cap is fixedly arranged at the other end of the outside of the clamping frame.

[0010] By adopting the technical scheme, the rotating cap can drive the rotating rod to rotate, and then the height of the lifting clamping plate is quickly adjusted, so that the two sides of the corrugated pipe are conveniently fixed by the staff.

[0011] Preferably, a limiting rod is fixedly arranged above the fixing plate, and the limiting rod is slidingly connected with the lifting clamping plate.

[0012] By adopting the technical scheme, the lifting clamping plate is limited by the limiting rod, and the stability of the lifting clamping plate in the vertical movement process is ensured.

[0013] Preferably, the clamping frame is provided with two groups, the shapes and sizes of the two groups of clamping frames are the same, and the two groups of clamping frames are mirror images of each other.

[0014] By adopting the technical scheme, the two sides of the corrugated pipe are better clamped by the two groups of clamping frames, which is convenient and fast.

[0015] Preferably, a limiting protrusion is arranged on the inside of the sliding frame, and the limiting protrusion is slidingly connected with the sliding block.

[0016] By adopting the technical scheme, the sliding block is limited by the limiting protrusion, so that the sliding block and the sliding frame are prevented from being separated.

[0017] Preferably, a sliding groove is formed above the lifting plate, a sliding protrusion is arranged on the inner side wall of the sliding groove, and the sliding protrusion is slidingly connected with the sliding frame.

[0018] By adopting the technical scheme, the sliding frame can be limited by the sliding convex, and the situation that the sliding frame is separated from the lifting plate during movement of the sliding frame is avoided.

[0019] Compared with the prior art, the utility model has the advantages of

[0020] (1) through rotating the rotating rod to drive the second bevel gear to rotate, the second bevel gear rotates to drive the lifting screw to rotate, the lifting screw rotates to drive the lifting clamping plate to move vertically under the action of the screw thread, the height of the lifting clamping plate can be adjusted, then the servo motor is rotated to stably clamp the corrugated pipe of different lengths, and the deviation of the corrugated pipe during flaring is reduced.

[0021] (2) the two sides of the lifting clamping plate can be limited through cooperation of the connecting rod, the sliding block and the sliding frame, the stability of the lifting clamping plate after height adjustment is ensured, and then the stability of the corrugated pipe after fixing is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the appearance structure schematic diagram of the utility model;

[0023] Figure 2 It is the front structure schematic diagram of the utility model;

[0024] Figure 3 It is the A part enlarged schematic diagram of the utility model; Figure 2

[0025] Figure 4 It is the top structure schematic diagram of the utility model;

[0026] Figure 5 It is the B part enlarged schematic diagram of the utility model. Figure 4

[0027] In the drawing: 1, shell; 2, lifting platform; 3, fixed part; 301, lifting plate; 302, servo motor; 303, bidirectional screw; 304, threaded block; 305, clamping frame; 306, fixed plate; 307, lifting screw; 308, lifting clamping plate; 309, first bevel gear; 310, second bevel gear; 311, rotating rod; 312, limiting rod; 313, connecting rod; 314, sliding block; 315, sliding frame. DETAILED DESCRIPTION

[0028] ​​Clearly and completely describe the technical scheme in the embodiments of the utility model in combination with the drawings in the embodiments of the utility model, apparently, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range of the utility model protection.

[0029] The following will be combined with the drawings in the embodiments of the utility model, Figures 1-5 The utility model is further described in detail.

[0030] Embodiment one

[0031] Please refer to Figures 1-5The embodiment provides a technical scheme: a HDPE double-wall corrugated pipe port expansion device, which comprises a shell 1, a lifting table 2 and a fixing portion 3, the shell 1 is internally provided with an expanding structure, the expanding structure is driven to rotate by a motor and a threaded rod, so as to drive an expanding block to move horizontally, the corrugated pipe is expanded by the two expanding blocks, the lifting table 2 is fixedly arranged in the shell 1, the lifting table 2 is fixedly arranged in the shell 1 by bolts, and the stability of the overall structure is improved, the fixing portion 3 is arranged in the shell 1, and the fixing portion 3 is located above an output end of the lifting table 2, the fixing portion 3 is provided with a lifting plate 301 fixedly arranged above the output end of the lifting table 2, the bottom of the lifting plate 301 is connected with a lifting rod of the output end of the lifting table 2 through bolts, the lifting table 2 works to drive the lifting plate 301 to move vertically, the outer wall of the lifting plate 301 is fixedly provided with a servo motor 302, the servo motor 302 is connected with an external power supply through external wires, and the servo motor 302 is arranged on the outer wall of the lifting plate 301 through bolts, so as to facilitate workers to disassemble or install the servo motor 302, a double-way screw rod 303 is fixedly arranged at the output end of the servo motor 302, the surface of the double-way screw rod 303 is provided with two groups of threads in opposite directions, the output end of the servo motor 302 is connected with the double-way screw rod 303 through bolts, and the double-way screw rod 303 is rotationally connected with the lifting plate 301, the servo motor 302 works to drive the double-way screw rod 303 to rotate, two threaded blocks 304 are slidably connected in the lifting plate 301, and the threaded blocks 304 are threadedly connected with the double-way screw rod 303, the threaded blocks 304 are made of stainless steel, so as to avoid rust of the threaded blocks 304 in a long-time use process, the double-way screw rod 303 rotates to drive the two threaded blocks 304 to move horizontally in opposite directions on the double-way screw rod 303 under the influence of threads, a clamping frame 305 is fixedly arranged above the threaded block 304, the threaded block 304 is connected with the clamping frame 305 through bolts, so as to facilitate workers to replace a damaged clamping frame 305, a fixed plate 306 is fixedly arranged in the clamping frame 305, the fixed plate 306 is connected with the inner wall of the clamping frame 305 through welding, so as to avoid separation of the fixed plate 306 from the clamping frame 305, a lifting screw rod 307 is arranged in the clamping frame 305 and rotationally connected with the fixed plate 306 through a bearing seat, the bottom end of the lifting screw rod 307 penetrates through the fixed plate 306, a lifting clamping plate 308 is threadedly connected above the lifting screw rod 307, the lifting screw rod 307 rotates to drive the lifting clamping plate 308 to move vertically under the influence of threads, a first bevel gear 309 is fixedly arranged at the bottom end of the lifting screw rod 307, the first bevel gear 309 is connected with the lifting screw rod 307 through bolts, and the first bevel gear 309 rotates to drive the lifting screw rod 307 to rotate, a rotating rod 311 is horizontally rotationally connected to the bottom of the inner side of the clamping frame 305, a second bevel gear 310 is fixedly sleeved on the rotating rod 311, the rotating rod 311 is connected with the second bevel gear 310 through bolts,The rotating rod 311 rotates to drive the second bevel gear 310 to rotate, and the second bevel gear 310 is in meshing connection with the first bevel gear 309, and the rotation of the second bevel gear 310 can drive the first bevel gear 309 to rotate, so that the rotation of the lifting screw 307 drives the lifting clamping plate 308 to move vertically in the clamping frame 305,

[0032] The rotating rod 311 is rotatably connected to the inner wall of the clamping frame 305 at both ends inside the clamping frame 305, and a rotating cap is fixedly arranged at one end of the rotating rod 311 outside the clamping frame 305. The rotating cap can be manually rotated to drive the rotating rod 311 to rotate, thereby quickly adjusting the height of the lifting clamping plate 308, facilitating the fixing of the corrugated pipe on both sides by the staff. The limiting rod 312 is fixedly arranged above the fixed plate 306 and is in sliding connection with the lifting clamping plate 308. The lifting clamping plate 308 has a hole slot for vertical sliding insertion of the limiting rod 312. The limiting rod 312 limits the lifting clamping plate 308 to ensure that the lifting clamping plate 308 does not rotate synchronously with the lifting screw 307 during vertical movement. The clamping frame 305 is provided with two groups, and the two groups of clamping frames 305 are the same in shape and size and are mirror images of each other. The two groups of clamping frames 305 can better clamp the corrugated pipe on both sides.

[0033] Embodiment two

[0034] Please refer to Figures 1-5 The fixed part 3 further has connecting rods 313 hinged to both sides of the lifting clamping plate 308. The horizontal movement of the lifting clamping plate 308 drives the horizontal movement of the connecting rods 313. The other end of the connecting rod 313 is hinged to a sliding block 314. The rotation of the connecting rod 313 drives the movement of the sliding block 314. The sliding frame 315 is in sliding connection with the lifting plate 301. The sliding frame 315 is made of stainless steel to prevent rust during long-term use. The sliding block 314 is in sliding connection with the sliding frame 315. The horizontal movement of the sliding frame 315 drives the horizontal movement of the sliding block 314. The sliding block 314, the connecting rod 313 and the sliding frame 315 cooperate to limit the lifting clamping plate 308, ensuring the stability of the lifting clamping plate 308 after adjustment. The sliding frame 315 is provided with a limiting protrusion inside. The limiting protrusion is in sliding connection with the sliding block 314. The limiting protrusion limits the sliding block 314 to prevent the sliding block 314 from separating from the sliding frame 315. The lifting plate 301 is provided with a sliding groove. The inner wall of the sliding groove is provided with a sliding protrusion. The sliding protrusion is in sliding connection with the sliding frame 315. The sliding protrusion limits the sliding frame 315 to prevent the sliding frame 315 from separating from the lifting plate 301 during movement.

[0035] Working principle: first, when the corrugated pipe needs to be fixed, the corrugated pipe is placed in the central position of the lifting plate 301, then the servo motor 302 is started, the servo motor 302 works to drive the bidirectional screw rod 303 to rotate, because the bidirectional screw rod 303 is screwed with the threaded block 304, and the threaded block 304 is slidingly connected with the lifting plate 301, therefore the bidirectional screw rod 303 rotates to drive the threaded block 304 to move horizontally under the influence of the screw thread, the two groups of mirror image threaded blocks 304 will gradually fit to the two sides of the corrugated pipe, the threaded block 304 will always drive the lifting clamp plate 308 to move during the movement, the lifting clamp plate 308 will drive the connecting rod 313 to move, the connecting rod 313 will drive the sliding block 314 to move, the sliding block 314 will drive the sliding frame 315 to move, when the threaded block 304 fits the corrugated pipe, the servo motor 302 is turned off;

[0036] Secondly, after the servo motor 302 is turned off, the rotating rod 311 is manually rotated, the rotating rod 311 rotates to drive the second bevel gear 310 to rotate, because the second bevel gear 310 is meshingly connected with the first bevel gear 309, therefore the second bevel gear 310 rotates to drive the first bevel gear 309 to rotate, the first bevel gear 309 rotates to drive the lifting screw rod 307 to rotate, because the lifting screw rod 307 is screwed with the lifting clamp plate 308, and the lifting clamp plate 308 is slidingly connected with the limiting rod 312, therefore the lifting screw rod 307 rotates to drive the lifting clamp plate 308 to move vertically under the influence of the screw thread, the lifting clamp plate 308 vertically moves to drive the connecting rod 313 to rotate, the connecting rod 313 rotates to drive the sliding block 314 to move inside the sliding frame 315, the lifting clamp plate 308 is limited by the connecting rod 313, the sliding block 314 and the sliding frame 315 to ensure the stability after the adjustment of the lifting clamp plate 308, the lifting clamp plate 308 is adjusted to be located in the upper segment position of the corrugated pipe, then the servo motor 302 is started again, the servo motor 302 works to drive the clamping frame 305 and the lifting clamp plate 308 to move and fit to the two sides of the corrugated pipe for fixation.

[0037] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and not limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalents of the elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to which they relate.

Claims

1. An HDPE double wall corrugated pipe port expansion device, characterized by, Include: The shell; Lifting platform, which is fixed in the shell inside; Fixed part, which is arranged in the shell inside, and the fixed part is above the output end of the lifting platform, and the fixed part has a lifting plate fixed above the output end of the lifting platform; The outer wall of the lifting plate is fixed with a servo motor, and the output end of the servo motor is fixed with a bidirectional screw rod, and the bidirectional screw rod is rotatably connected with the lifting plate; The inside of the lifting plate is slidably connected with a threaded block, and the threaded block is threadedly connected with the bidirectional screw rod, and a clamping frame is fixed above the threaded block, and a fixed plate is fixed in the clamping frame, and a lifting screw rod is arranged in the clamping frame, and the lifting screw rod is rotatably connected with the fixed plate, and a lifting clamp plate is threadedly connected above the lifting screw rod, and a first bevel gear is fixed at the bottom end of the lifting screw rod; The inside bottom of the clamping frame is rotatably connected with a rotating rod, the rotating rod is fixedly sleeved with a second bevel gear, and the second bevel gear is meshed and connected with the first bevel gear, and the lifting screw rod drives the lifting clamp plate to move vertically in the clamping frame.

2. A HDPE double wall corrugated pipe port expander device according to claim 1, characterized in that: The fixed part also has a connecting rod hinged to both sides of the lifting clamp plate, and the other end of the connecting rod is hinged with a sliding block, and the lifting plate is slidably connected with a sliding frame above the lifting plate, and the sliding block is slidably connected in the sliding frame.

3. The HDPE double wall corrugated pipe port expander apparatus of claim 1, wherein: One end of the rotating rod inside the clamping frame is rotatably connected with the inner wall of the clamping frame, and the other end of the rotating rod outside the clamping frame is fixed with a rotating cap.

4. The HDPE double wall corrugated pipe port expander apparatus of claim 1, wherein: The fixed plate is fixed with a limiting rod above, and the limiting rod is slidably connected with the lifting clamp plate.

5. The HDPE double wall corrugated pipe port expander apparatus of claim 1, wherein: The clamping frame is provided with two groups, and the two groups of clamping frames are the same in shape and size, and the two groups of clamping frames are mirror images of each other.

6. The HDPE double wall corrugated pipe port expander apparatus according to claim 2, wherein: The inside of the sliding frame is provided with a limiting protrusion, and the limiting protrusion is slidably connected with the sliding block.

7. The HDPE double wall corrugated pipe port expander apparatus of claim 2, wherein: The lifting plate is provided with a sliding groove above, and the inner wall of the sliding groove is provided with a sliding protrusion, and the sliding protrusion is slidably connected with the sliding frame.

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