Bending device for plastic pipe production
Through the bending components and magnetic levitation fixing technology driven by hydraulic motor, the external surface damage and internal limit problems of plastic pipes during bending are solved, and uniform bending and high yield of plastic pipes are achieved.
Patent Information
- Application Number
- CN202422752713.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-11-12
AI Technical Summary
Existing plastic pipes often use heating to bend when bent, resulting in damage to the outer surface and lack of internal limit protection, resulting in uneven bending and affecting the yield rate.
The bending components driven by hydraulic motors are adopted, combined with magnetic levitation fixing, multi-point extrusion limiting and cold extrusion technology, and the bending treatment frame is driven to rotate through the hydraulic motor, and the bending spring and torsion spring are used to limit the interior of the pipe, and the work-type clamping wheel and alignment roller are used to restrict the outside of the multi-section bending to avoid hot melt damage.
The uniform bending of plastic pipes is achieved, extrusion damage caused by uneven force is reduced, bending yield is improved, and the clamping stability and bending quality of the pipe are ensured.
Smart Images
Figure CN223290309U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline production, in particular to a bending device for plastic pipe production. Background Art
[0002] Plastic pipes are a general term for pipes made of plastic. Plastic pipes have the characteristics of light weight, hygiene and safety, low water flow resistance, energy saving, metal saving, improved living environment, long service life, safety and convenience. Plastic pipe bending refers to the process of bending the pipe to the required angle and shape through specific tools and methods during the installation or use of plastic pipes.
[0003] However, when bending plastic pipes, most of them are heated. Heating will damage the outer surface of the pipe, and the inside of the pipe is not limited and protected during bending, resulting in uneven bending of the pipe. It is easy for the pipe to be damaged due to bending in one direction, which greatly affects the yield of the bending. Utility Model Content
[0004] The utility model provides a bending device for plastic pipe production, which can effectively solve the problem raised in the above background technology that when bending plastic pipes, heating is mostly used for bending, which will damage the outer surface of the pipe, and the inside of the pipe is not limited and protected during bending, resulting in uneven bending of the pipe. The pipe is easily damaged due to bending in one direction, which greatly affects the yield of the bending product.
[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: A bending device for plastic pipe production, comprising a fixed support frame, a bending assembly being provided at a side end of the fixed support frame, and the bending assembly comprising a hydraulic motor;
[0006] A hydraulic motor is installed on one side of the bottom end of the fixed support frame through a motor seat, and a bending processing frame is clamped on the top end of the output shaft of the hydraulic motor. The top ends of the fixed support frame and the bending processing frame are symmetrically installed with in-and-out electric slide rails, and the top ends of the in-and-out electric slide rails are connected to a support transposition disk through a slide rail seat, and the top end of the support transposition disk is rotatably connected to a work-shaped clamping wheel;
[0007] Both ends of the fixed support frame and the bending processing frame are fixed with in-and-out electric push rods, one end of the two in-and-out electric push rods is fixed with an in-and-out fixed sleeve, the inner side of the in-and-out fixed sleeve is sleeved with a fixed electromagnet, the side end of the fixed electromagnet is connected to a fixed permanent magnet through magnetic suspension, and a bending spring is fixed between the two fixed permanent magnets;
[0008] Several alignment electric push rods are installed at equal distances at both ends of the fixed support frame, a relay fixed frame is fixed to one end of the alignment electric push rod, several alignment rollers are arranged at equal distances on the side end of the relay fixed frame, an integrated processing frame is rotatably connected between two adjacent alignment rollers, and a torsion spring is fixed to one end of the alignment roller.
[0009] According to the above technical solution, the multiple support transposition disks are respectively slidably installed on the top of the fixed support frame and the bending processing frame, and the input ends of the hydraulic motor, the in-and-out electric slide rail, the in-and-out electric push rod, the fixed electromagnet and the alignment electric push rod are all electrically connected to the output end of the external power supply.
[0010] According to the above technical solution, the bending processing frame and the fixed support frame are rotatably sleeved together, and the longitudinal sections of the inlet and outlet fixed sleeve and the fixed electromagnet are both arc-shaped.
[0011] According to the above technical solution, the side ends of the plurality of torsion springs are fixedly connected to one end of the relay fixing frame and the integrated processing frame respectively, and the relay fixing frame is slidably installed on the top of the fixed support frame.
[0012] According to the above technical solution, a support assembly is provided at the side end of the fixed support frame, and the support assembly includes a movable electric slide rail;
[0013] The bottom ends of the fixed support frame and the bending processing frame are both equidistantly installed with several movable electric slide rails, the side ends of the movable electric slide rails are installed with processing electric push rods through the slide rail seats, the top ends of the multiple processing electric push rods are clamped with fixed support boxes, the inner sides of the fixed support boxes are clamped with fixed suction cups, the side ends of the fixed suction cups are penetrated and connected with suction pipe racks, one end of the fixed support box is installed with an air pump through the motor seat, the bottom end of the bending processing frame is equidistantly and symmetrically installed with supporting electric push rods, and the bottom ends of the supporting electric push rods are installed with universal wheels.
[0014] According to the above technical solution, one end of the suction tube rack and one end of the air pump are connected and assembled through an adapter, and the input ends of the movable electric slide rail, the processing electric push rod, the air pump and the supporting electric push rod are all electrically connected to the output end of the external power supply.
[0015] Compared with the existing technology, the beneficial effects of the present invention are as follows: the present invention has a scientific and reasonable structure and is safe and convenient to use:
[0016] 1. A bending assembly is provided. The in-and-out electric push rod drives the in-and-out fixed sleeve and the fixed electromagnet to move to the side end of the pipe. The principle of like-sex magnets repel each other is used to place the fixed permanent magnet and the bending spring between multiple fixed electromagnets for magnetic suspension fixation. The pipe is inserted into the side end of the bending spring. The alignment electric push rod drives the relay fixed frame and the alignment roller to fit the side end of the pipe. The two sides of the pipe are squeezed and restricted by the clamping wheel. The hydraulic motor drives the bending processing frame to rotate along the fixed support frame, driving the pipe to rotate and bend slowly. The bending spring is used to limit the internal bending. The torsion spring, the integrated processing frame and the alignment roller are used to perform multi-section bending restrictions on the outside of the pipe. Cold extrusion is used to avoid hot melt damage. At the same time, extrusion protection is performed on the inside and outside to make the pipe evenly stressed, reduce the occurrence of extrusion damage due to uneven stress on the pipe, and improve the bending yield.
[0017] 2. A support assembly is provided. The processing electric push rod is driven by a mobile electric slide rail to move, and the processing electric push rod drives the fixed support box to move. The support position is adjusted according to the diameter of the pipe, so as to facilitate the bending processing of pipes of different diameters. The air between the pipe and the fixed suction cup is extracted by the air pump and the suction pipe rack, and the negative pressure is used to achieve steady extrusion and fitting of the pipe, ensuring that the pipe will not be displaced during bending, thereby ensuring the clamping stability of the pipe and the quality of the pipe bending. The support electric push rod and the universal wheel drive the bending processing frame to rotate and move, reducing the occurrence of pipe shaking and bending deformation due to unsmooth equipment movement, thereby further improving production quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.
[0019] In the attached figure:
[0020] Figure 1 It is a three-dimensional structural diagram of the utility model;
[0021] Figure 2 It is a structural schematic diagram of the bending assembly of the utility model;
[0022] Figure 3 This is a schematic diagram of the installation structure of the torsion spring of the utility model;
[0023] Figure 4 It is a structural diagram of the support assembly of the utility model;
[0024] Numbers in the figure: 1, fixed support frame;
[0025] 2. Bending assembly; 201. Hydraulic motor; 202. Bending processing frame; 203. In-and-out electric slide rail; 204. Support transposition plate; 205. I-shaped clamping wheel; 206. In-and-out electric push rod; 207. In-and-out fixed sleeve; 208. Fixed electromagnet; 209. Fixed permanent magnet; 210. Bending spring; 211. Alignment electric push rod; 212. Relay fixed frame; 213. Alignment roller; 214. Integrated processing frame; 215. Torsion spring;
[0026] 3. Support assembly; 301. Mobile electric slide rail; 302. Handling electric push rod; 303. Fixed support box; 304. Fixed suction cup; 305. Suction pipe rack; 306. Air pump; 307. Support electric push rod; 308. Universal wheel. DETAILED DESCRIPTION
[0027] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.
[0028] Example: Figure 1-4 As shown, the utility model provides a technical solution, a bending device for plastic pipe production, comprising a fixed support frame 1, a bending assembly 2 is provided at the side end of the fixed support frame 1, the bending assembly 2 includes a hydraulic motor 201, a bending processing frame 202, an in-and-out electric slide rail 203, a support transposition disk 204, an I-shaped clamping wheel 205, an in-and-out electric push rod 206, an in-and-out fixed sleeve 207, a fixed electromagnet 208, a fixed permanent magnet 209, a bending spring 210, an alignment electric push rod 211, a relay fixed frame 212, an alignment roller 213, an integrated processing frame 214 and a torsion spring 215;
[0029] A hydraulic motor 201 is installed on one side of the bottom end of the fixed support frame 1 through a motor seat, and a bending processing frame 202 is clamped on the top of the output shaft of the hydraulic motor 201. The bending processing frame 202 rotates and fits with the fixed support frame 1 to achieve a steady fitting connection. The tops of the fixed support frame 1 and the bending processing frame 202 are symmetrically installed with in-and-out electric slide rails 203, and the tops of the in-and-out electric slide rails 203 are connected to support transposition disks 204 through slide rail seats. Multiple support transposition disks 204 are respectively slidably installed on the tops of the fixed support frame 1 and the bending processing frame 202 to achieve steady movement and ensure the stability of the alignment support. The tops of the support transposition disks 204 are rotatably connected to the work-type clamping wheels 205;
[0030] Both ends of the fixed support frame 1 and the bending processing frame 202 are fixed with in-and-out electric push rods 206, one end of the two in-and-out electric push rods 206 is fixed with an in-and-out fixed sleeve 207, the inner side of the in-and-out fixed sleeve 207 is sleeved with a fixed electromagnet 208, the longitudinal sections of the in-and-out fixed sleeve 207 and the fixed electromagnet 208 are both arc-shaped, ensuring the stability of the positioning support and the clamping limit. The side end of the fixed electromagnet 208 is connected to a fixed permanent magnet 209 through magnetic suspension, and a bending spring 210 is fixed between the two fixed permanent magnets 209;
[0031] A plurality of alignment electric push rods 211 are equidistantly installed at both ends of the fixed support frame 1, a relay fixed frame 212 is fixed to one end of the alignment electric push rod 211, a plurality of alignment rollers 213 are equidistantly arranged on the side ends of the relay fixed frame 212, an integration processing frame 214 is rotatably sleeved between two adjacent alignment rollers 213, a torsion spring 215 is fixed to one end of the alignment roller 213, and the side ends of the plurality of torsion springs 215 are fixedly connected to one end of the relay fixed frame 212 and the integration processing frame 214 respectively, and the relay fixed frame 212 is slidably installed on the top end of the fixed support frame 1 to achieve steady alignment processing and ensure the stability of clamping limit and protective fixation;
[0032] For stable operation of the equipment, the input ends of the hydraulic motor 201, the in-and-out electric slide rail 203, the in-and-out electric push rod 206, the fixed electromagnet 208 and the alignment electric push rod 211 are all electrically connected to the output end of the external power supply.
[0033] A support assembly 3 is provided at the side end of the fixed support frame 1, and the support assembly 3 includes a movable electric slide rail 301, a processing electric push rod 302, a fixed support box 303, a fixed suction cup 304, a suction pipe rack 305, an air pump 306, a supporting electric push rod 307 and a universal wheel 308;
[0034] The bottom ends of the fixed support frame 1 and the bending processing frame 202 are equidistantly installed with several movable electric slide rails 301, and the side ends of the movable electric slide rails 301 are installed with processing electric push rods 302 through the slide rail seats. The top ends of the multiple processing electric push rods 302 are clamped with fixed support boxes 303, and the inner sides of the fixed support boxes 303 are clamped with fixed suction cups 304. The side ends of the fixed suction cups 304 are connected with suction pipe racks 305. One end of the fixed support box 303 is installed with an air pump 306 through a motor seat. One end of the suction pipe rack 305 and one end of the air pump 306 are connected by an adapter to achieve steady suction and fixation, ensuring the stability of the support positioning. The bottom end of the bending processing rack 202 is equidistantly and symmetrically installed with supporting electric push rods 307, and the bottom end of the supporting electric push rods 307 is installed with universal wheels 308. For stable operation of the equipment, the input ends of the mobile electric slide rail 301, the processing electric push rod 302, the air pump 306 and the supporting electric push rod 307 are all electrically connected to the output end of the external power supply.
[0035] The working principle and use process of the utility model are as follows: when a plastic pipe needs to be bent, the device is powered by an external power supply. According to the diameter of the pipe, the in-and-out electric push rod 206 drives the in-and-out fixed sleeve 207 and the fixed electromagnet 208 to move to the corresponding position. The staff places the fixed permanent magnet 209 and the bending spring 210 between the four fixed electromagnets 208. Based on the principle that like-sex magnets repel each other, the fixed permanent magnet 209 and the bending spring 210 are suspended, so that the pipe can be processed from both inside and outside at the same time during bending.
[0036] At this time, the bending position of the plastic pipe is fitted into the position of the bending spring 210, and the mobile electric slide rail 301 drives the processing electric push rod 302 to move along the fixed support frame 1 and the bending processing frame 202, and the processing electric push rod 302 drives the fixed support box 303 to move, and the support position is adjusted according to the diameter of the pipe to ensure the stability of the support, and the supporting electric push rod 307 drives the universal wheel 308 to move, so as to steadily support the bending processing frame 202, and place the pipe on the top of the fixed support box 303 and the fixed suction cup 304, and the air pump 306 and the suction pipe rack 305 extract the air between the pipe and the fixed suction cup 304, and use the fixed suction cup 304 to stably fit the pipe to the top of the fixed support box 303, so as to realize the fitting restriction and the steady support and fixation of the pipe;
[0037] After the pipeline is positioned and fixed, the in-and-out electric slide rail 203 drives the support transposition disc 204 to move along the fixed support frame 1 and the bending processing frame 202, and the type clamping wheel 205 is attached to the side end of the pipeline. The positioning electric push rod 211 drives the relay fixing frame 212 and the positioning roller 213 to fit the side end of the pipeline. The torsion spring 215 drives the integration processing frame 214 and the positioning roller 213 to rotate along the relay fixing frame 212 and fit the side end of the pipeline, making full contact with the side end of the pipeline. The hydraulic motor 201 drives the bending processing frame 202 to move on the universal wheel 3 08, it moves along the fixed support frame 1, driving the pipe to rotate and bend slowly. At this time, the internal bending springs 210 are bent at the same time, and the bending springs 210 are used to limit the inside of the pipe. At the same time, the torsion springs 215 and the integrated processing frame 214 drive the positioning rollers 213 to limit the outside of the pipe, and use two sets of work-type clamping wheels 205 and fixed suction cups 304 to fix and clamp the edges, ensuring the stability of the bending clamping and preventing the pipe from being excessively squeezed to both ends during bending, resulting in bulges and damage at both ends of the pipe.
[0038] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A bending device for plastic pipe production, comprising a fixed support frame (1), characterized in that: A bending assembly (2) is provided at a side end of the fixed support frame (1), and the bending assembly (2) includes a hydraulic motor (201); A hydraulic motor (201) is installed on one side of the bottom end of the fixed support frame (1) through a motor seat, and a bending processing frame (202) is clamped on the top end of the output shaft of the hydraulic motor (201). In-and-out electric slide rails (203) are symmetrically installed on the top ends of the fixed support frame (1) and the bending processing frame (202). The top ends of the in-and-out electric slide rails (203) are connected to a support transposition disk (204) through a slide rail seat, and the top end of the support transposition disk (204) is rotatably connected to a work-type clamping wheel (205); Both ends of the fixed support frame (1) and the bending processing frame (202) are fixed with in-and-out electric push rods (206), one end of the two in-and-out electric push rods (206) is fixed with an in-and-out fixed sleeve (207), the inner side of the in-and-out fixed sleeve (207) is sleeved with a fixed electromagnet (208), the side end of the fixed electromagnet (208) is connected to a fixed permanent magnet (209) through magnetic suspension, and a bending spring (210) is fixed between the two fixed permanent magnets (209); A plurality of aligning electric push rods (211) are equidistantly mounted on both ends of the fixed support frame (1); a relay fixed frame (212) is fixed to one end of the aligning electric push rod (211); a plurality of aligning rollers (213) are equidistantly arranged on the side end of the relay fixed frame (212); an integrated processing frame (214) is rotatably sleeved between two adjacent aligning rollers (213); and a torsion spring (215) is fixed to one end of the aligning roller (213).
2. A bending device for plastic pipe production according to claim 1, characterized in that: The plurality of support transposition disks (204) are respectively slidably mounted on the top of the fixed support frame (1) and the bending processing frame (202), and the input ends of the hydraulic motor (201), the in-and-out electric slide rail (203), the in-and-out electric push rod (206), the fixed electromagnet (208) and the alignment electric push rod (211) are all electrically connected to the output end of the external power supply.
3. A bending device for plastic pipe production according to claim 1, characterized in that: The bending processing frame (202) is rotatably sleeved with the fixed support frame (1), and the longitudinal sections of the inlet and outlet fixed sleeve (207) and the fixed electromagnet (208) are both arc-shaped.
4. A bending device for plastic pipe production according to claim 1, characterized in that: The side ends of the plurality of torsion springs (215) are fixedly connected to one end of the relay fixing frame (212) and the integrated processing frame (214), respectively. The relay fixing frame (212) is slidably mounted on the top end of the fixed support frame (1).
5. A bending device for plastic pipe production according to claim 2, characterized in that: A support assembly (3) is provided at a side end of the fixed support frame (1), and the support assembly (3) includes a movable electric slide rail (301); The bottom ends of the fixed support frame (1) and the bending processing frame (202) are both equidistantly installed with a plurality of movable electric slide rails (301), the side ends of the movable electric slide rails (301) are installed with processing electric push rods (302) through the slide rail seats, the top ends of the plurality of processing electric push rods (302) are clamped with a fixed support box (303), the inner side of the fixed support box (303) is clamped with a fixed suction cup (304), the side end of the fixed suction cup (304) is connected with a suction pipe rack (305), one end of the fixed support box (303) is installed with an air pump (306) through the motor seat, the bottom end of the bending processing frame (202) is equidistantly installed with supporting electric push rods (307), and the bottom end of the supporting electric push rods (307) is installed with a universal wheel (308).
6. A bending device for plastic pipe production according to claim 5, characterized in that: One end of the suction tube rack (305) is connected to one end of the air pump (306) through an adapter, and the input ends of the movable electric slide rail (301), the processing electric push rod (302), the air pump (306) and the supporting electric push rod (307) are all electrically connected to the output end of the external power supply.