Injection molding device for corrugated pipe

Abstract

The utility model relates to the technical field of corrugated pipe manufacturing, and discloses an injection molding device for a corrugated pipe, which comprises a working table, a vertical plate is fixedly mounted at the top of the working table, a sliding groove is formed in the vertical plate, two sliding blocks are movably mounted in the sliding groove, and the two sliding blocks are movably mounted on the working table. An upper die is fixedly installed on the front face of one sliding block. Compared with a traditional device, the device has the advantages that the upper mold is conveniently sealed through the two-way screw rod and the sliding block, and then injection molding liquid is injected from a preset injection molding pipe to quickly fill the mold, so that a corrugated part and an embedded flaring part of the corrugated pipe are formed on a forming machine at a time; by means of the technical innovation, the production process is simplified, the problems that in the flaring manufacturing process, pipe socket and spigot joint are difficult, and the sealing performance is poor are solved, and the product quality and the production efficiency are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows manufacturing, and more specifically, to a shaping device for bellows. Background Art

[0002] The bellows injection molding device is a key equipment in the manufacturing process, integrating molds, pressure, and cooling systems. It accurately injects bellows through the mold according to preset parameters to ensure that its shape and size meet the requirements. At the same time, the pressure system ensures that the bellows fits the mold, while the cooling system controls the cooling speed to ensure structural stability and consistent performance. The application of this device has greatly improved the production efficiency and product quality of bellows. The socket connection method of existing corrugated pipes is widely used in production, but the expansion production often adopts the secondary heating expansion method, which is easy to cause changes in the inner diameter, depth and angle of the expansion, thereby affecting the socket and sealing of the pipe, and even causing pipeline leakage problems. At the same time, the bellows needs to be cooled after molding before it can be taken out, and the complexity of the internal structure of the existing mold makes it impossible for water to quickly cover the entire mold during water cooling and heat dissipation, resulting in slow cooling speed and poor effect, which greatly reduces the overall molding efficiency. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides an injection molding device for a corrugated pipe, which has the advantage of being convenient for molding the corrugated pipe in one step.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection molding device for a corrugated pipe, comprising a workbench, a vertical plate is fixedly installed on the top of the workbench, a slide groove is provided inside the vertical plate, a slider is movably installed inside the slide groove, and two sliders are provided, an upper mold is fixedly installed on the front of one slider, and a lower mold is fixedly installed on the front of the other slider, a positioning rod is fixedly installed on the bottom of the upper mold, and a positioning hole is provided inside the lower mold;

[0005] A bidirectional screw is movably installed inside the two sliders, and one end of the bidirectional screw completely passes through the inside of the workbench, one end of the bidirectional screw is fixedly installed with gear 1, and gear 1 is movably installed inside the box, a motor is fixedly installed on the top of the box, and gear 2 is fixedly installed on the output end of the motor, and the teeth of gear 2 and gear 1 are meshed, an injection tube is fixedly installed inside the upper mold, and one end of the injection tube passes through the inside of the upper mold, and a mold core is movably installed between the upper mold and the lower mold.

[0006] As a preferred technical solution of the utility model, water passage cavities are provided inside the upper mold and the positioning rod, a water inlet pipe is fixedly installed on the outer surface of the upper mold, a water pump is fixedly installed on the top of the workbench, a folding pipe is fixedly connected between the water pump and the water inlet pipe, a water tank is provided on the top of the workbench, a connecting pipe is fixedly connected between the water tank and the water pump, and a water outlet pipe is fixedly connected to the side of the upper mold.

[0007] As a preferred technical solution of the utility model, a limiting groove is provided inside the workbench, and a tool box is movably installed inside the limiting groove.

[0008] As a preferred technical solution of the utility model, a support block is fixedly installed on the back of the workbench, and the inside of the support block is in a U-shape.

[0009] As a preferred technical solution of the utility model, a support plate is fixedly installed at the bottom of the workbench, a connecting rod is fixedly installed between two of the support plates, and the connecting rods and the support plates are grouped in pairs, with a total of two groups.

[0010] As a preferred technical solution of the utility model, support columns are fixedly installed between the box body and the motor, and the support columns are arranged in the form of a circular array.

[0011] As a preferred technical solution of the utility model, telescopic rods are fixedly installed on the bottom of the lower mold and the top of the workbench, and the telescopic rods present four shapes of the same size.

[0012] As a preferred technical solution of the utility model, the inner diameter of the limit groove protrusion on the side of the tool box is the same as the outer diameter value.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. Compared with the traditional device, the utility model uses a bidirectional screw and a slider to align with the upper mold and perform a sealing operation, and then injects the injection liquid from a preset injection tube to quickly fill the mold, thereby realizing a single processing and molding of the corrugated part and the embedded flared part of the bellows on the molding machine. This technological innovation not only simplifies the production process, but also avoids the problems of difficulty in socketing and poor sealing of the pipe that may occur during the flaring production process, greatly improves product quality and production efficiency, and enables the corrugated part and the embedded flared part of the bellows to be processed and molded on the molding machine at one time, thereby avoiding the problems of difficulty in socketing and poor sealing of the pipe in the later stage of flaring production.

[0015] 2. Compared with the traditional device, the utility model facilitates the rapid filling of the water cavity with water through the cooperation between the water pump and the water inlet pipe, so as to achieve the efficiency of rapid cooling of the bellows. The water cavity cover is cleverly designed inside the overall mold, making the cooling process more efficient. Through the special water injection port, a steady stream of cold water is injected into the water cavity, ensuring that the cold water circulates evenly and fully in the cavity so that the mold can be quickly cooled and the cooling speed of the product is greatly accelerated. After cooling is completed, the cold water is smoothly discharged from the water outlet and enters the recycling process, which not only saves water resources but also improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front three-dimensional appearance structure of the utility model;

[0017] Figure 2 This is a schematic diagram for introducing the three-dimensional appearance of the back of the utility model;

[0018] Figure 3 It is a schematic diagram of the side cross-sectional structure of the utility model;

[0019] Figure 4 For this utility model Figure 3 A is an enlarged structural diagram;

[0020] Figure 5 It is a schematic diagram of the mold structure of the utility model.

[0021] In the figure: 1. workbench; 2. vertical board; 3. motor; 4. box; 5. bidirectional screw; 6. upper mold; 7. positioning rod; 8. lower mold; 9. positioning hole; 10. telescopic rod; 11. mold core; 12. tool box; 13. water outlet pipe; 14. water tank; 15. limiting groove; 16. injection tube; 17. connecting pipe; 18. water pump; 19. folding tube; 20. water inlet pipe; 21. water cavity; 22. slider; 23. gear one; 24. gear two; 25. slide; 26. support plate; 27. connecting rod; 28. support block; 29. ​​support column. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 5As shown, an injection molding device for a corrugated pipe includes a workbench 1, a vertical plate 2 is fixedly installed on the top of the workbench 1, a slide groove 25 is provided inside the vertical plate 2, a slider 22 is movably installed inside the slide groove 25, and two sliders 22 are provided, an upper mold 6 is fixedly installed on the front of one slider 22, a lower mold 8 is fixedly installed on the front of the other slider 22, a positioning rod 7 is fixedly installed on the bottom of the upper mold 6, and a positioning hole 9 is provided inside the lower mold 8;

[0024] A bidirectional screw rod 5 is movably installed inside the two sliders 22, and one end of the bidirectional screw rod 5 completely passes through the inside of the workbench 1, a gear 23 is fixedly installed on one end of the bidirectional screw rod 5, and the gear 23 is movably installed inside the box body 4, a motor 3 is fixedly installed on the top of the box body 4, a gear 24 is fixedly installed on the output end of the motor 3, and the gear 24 and the gear 1 23 are meshed with each other, an injection tube 16 is fixedly installed inside the upper mold 6, and one end of the injection tube 16 passes through the inside of the upper mold 6, and a core 11 is movably installed between the upper mold 6 and the lower mold 8.

[0025] When the staff is performing injection molding of the corrugated tube, the upper mold 6 and the lower mold 8 need to be fixed together, and the mold core 11 is first slowly placed between the upper mold 6 and the lower mold 8, and the motor 3 is turned on, and the motor 3 drives the gear 2 24 to rotate inside the box 4, and the teeth of the gear 2 24 and the gear 1 23 are meshed, and the gear 2 24 drives the gear 1 23 to rotate, and the gear 1 23 drives the bidirectional screw 5 to rotate, and the bidirectional screw 5 rotates inside the slider 22, so that the two sliders 22 slide inside the slide groove 25. The upper mold 6 and the lower mold 8 are driven to move toward the outer surface of the mold core 11 through the two sliders 22, and then slowly enter the interior of the positioning hole 9 through the positioning rod 7, thereby completing the overlap of the upper mold 6 and the lower mold 8, and then the injection liquid slowly enters the interior of the upper mold 6 and the lower mold 8 and the outer surface of the mold core 11 through the injection tube 16, so that the corrugated part and the embedded flared part of the bellows are processed and formed at one time on the molding machine, avoiding the problems of difficulty in socketing and poor sealing of the pipe when the flaring is made later, thereby completing the injection molding of the bellows.

[0026] In the injection molding of the corrugated tube, the upper mold 6 and the lower mold 8 need to be fixed together, and the mold core 11 is first slowly placed between the upper mold 6 and the lower mold 8, and the motor 3 is turned on, and the motor 3 drives the gear 2 24 to rotate inside the box 4, and the teeth of the gear 2 24 and the gear 1 23 are meshed, and the gear 2 24 drives the gear 1 23 to rotate, and the two-way screw rod 5 is driven to rotate through the two-way screw rod 5 inside the slider 22, so that the two sliders 22 slide inside the slide groove 25, and the upper mold 6 and the lower mold 8 are driven by the two sliders 22 to move toward the outer surface of the mold core 11, and then the positioning rod 7 slowly enters the inside of the positioning hole 9, thereby completing the overlap of the upper mold 6 and the lower mold 8, and then The injection liquid slowly passes through the injection tube 16 into the interior of the upper mold 6 and the lower mold 8 and the outer surface of the mold core 11. Compared with the traditional device, the device seals the upper mold 6 and the lower mold 8 through the bidirectional screw 5 and the slider 22, and then injects the injection liquid from the preset injection tube 16 to quickly fill the mold, thereby realizing the single processing and molding of the corrugated part and the embedded flared part of the bellows on the molding machine. This technological innovation not only simplifies the production process, but also avoids the problems of difficulty in socketing and poor sealing of the pipe that may occur during the flaring production process, greatly improving the product quality and production efficiency, so that the corrugated part and the embedded flared part of the bellows are processed and molded on the molding machine at one time, avoiding the problems of difficulty in socketing and poor sealing of the pipe in the later stage of flaring production.

[0027] Among them, a water cavity 21 is opened inside the upper mold 6 and the positioning rod 7, a water inlet pipe 20 is fixedly installed on the outer surface of the upper mold 6, a water pump 18 is fixedly installed on the top of the workbench 1, a folding tube 19 is fixedly connected between the water pump 18 and the water inlet pipe 20, a water tank 14 is opened on the top of the workbench 1, a connecting pipe 17 is fixedly connected between the water tank 14 and the water pump 18, and a water outlet pipe 13 is fixedly connected to the side of the upper mold 6.

[0028] After the staff completes the injection molding of the bellows, it is necessary to cool the bellows. By turning on the water pump 18, the water in the water tank 14 enters the interior of the water pump 18 through the connecting pipe 17. At this time, the water enters the interior of the folded tube 19 through the water pump 18, and enters the interior of the water inlet pipe 20 through the folded tube 19, and enters the interior of the water passage chamber 21 through the water inlet pipe 20, and fills the interior of the water passage chamber 21 to quickly cool the bellows, and then slowly discharges it through the interior of the water outlet pipe 13, and collects the water through the water tank 14, thereby achieving rapid cooling of the bellows.

[0029] After the bellows is injection molded, it is necessary to cool the bellows. By turning on the water pump 18, the water in the water tank 14 enters the inside of the water pump 18 through the connecting pipe 17. At this time, the water enters the inside of the folded tube 19 through the water pump 18, enters the inside of the water inlet pipe 20 through the folded tube 19, enters the inside of the water passage chamber 21 through the water inlet pipe 20, and fills the inside of the water passage chamber 21 to quickly cool the bellows. The water is slowly discharged through the inside of the water outlet pipe 13 and collected by the water tank 14, thereby realizing rapid cooling of the bellows. Compared with the traditional device, The cooperation between the water pump 18 and the water inlet pipe 20 facilitates the rapid filling of the water cavity 21 with water, thereby achieving the efficiency of rapid cooling of the bellows. The water cavity cover is cleverly designed inside the overall mold to make the cooling process more efficient. Through a special water injection port, a steady stream of cold water is injected into the water cavity to ensure that the cold water circulates evenly and fully in the cavity so that the mold can be quickly cooled and the cooling speed of the product is greatly accelerated. After cooling is completed, the cold water is smoothly discharged from the water outlet and enters the recycling process, which not only saves water resources but also improves production efficiency.

[0030] A limiting groove 15 is provided inside the workbench 1 , and a tool box 12 is movably installed inside the limiting groove 15 .

[0031] By holding the tool box 12, the tool box 12 is slowly placed into the limiting groove 15, and fixed by the limiting groove 15. By adding the limiting groove 15, the staff can more conveniently obtain and store the required tools and accessories. During the injection molding process, the staff does not need to leave the workbench to find tools, thereby reducing operation interruptions and improving work efficiency.

[0032] A support block 28 is fixedly mounted on the back of the workbench 1 , and the interior of the support block 28 is in a U-shape.

[0033] Since the interior of the support block 28 is in a U-shape, it is convenient to support the water pump 18, reduce shaking of the water pump 18 during operation, extend the service life of the water pump 18, and ensure the stability of the water pump 18 during operation.

[0034] A support plate 26 is fixedly installed at the bottom of the workbench 1 , and a connecting rod 27 is fixedly installed between the two support plates 26 , and the connecting rods 27 and the support plates 26 are grouped in pairs, with a total of two groups.

[0035] The connecting rods 27 and the support plates 26 are arranged in pairs, with a total of two groups at the bottom of the workbench 1. The cooperation between the support plates 26 and the connecting rods 27 facilitates the support of the entire device, ensuring that the bellows is effectively supported so that it maintains a stable shape during the injection molding process. This helps to reduce shape deviations caused by external factors and improve the injection molding accuracy of the bellows, thereby ensuring that the final product meets the design requirements.

[0036] Among them, support columns 29 are fixedly installed between the box body 4 and the motor 3, and the support columns 29 are arranged in the form of a circular array.

[0037] Since support columns 29 are fixedly installed between the box body 4 and the motor 3, and the support columns 29 are in the form of a circular array, it is convenient to support the motor 3, ensure the stability of the motor 3 during operation, and improve the efficiency of the motor 3 during operation.

[0038] Among them, telescopic rods 10 are fixedly installed on the bottom of the lower mold 8 and the top of the workbench 1, and the telescopic rods 10 present four shapes of the same size.

[0039] Since the telescopic rods 10 present four shapes of the same size, it is convenient to support the lower mold 8 during the up and down movement, thereby ensuring the stability of the lower mold 8 during the operation and improving the utilization efficiency of the lower mold 8.

[0040] The inner diameter of the protrusion on the side of the tool box 12 is the same as the outer diameter of the limit groove 15.

[0041] Since the inner diameter of the protrusion on the side of the tool box 12 is the same as the outer diameter of the limiting groove 15 , it is convenient for the tool box 12 to slide inside the limiting groove 15 , thereby improving the efficiency of disassembling the limiting groove 15 .

[0042] The working principle and use process of this utility model:

[0043] When the staff is performing injection molding of the corrugated tube, the upper mold 6 and the lower mold 8 need to be fixed together, and the mold core 11 is first slowly placed between the upper mold 6 and the lower mold 8, and the motor 3 is turned on, and the motor 3 drives the gear 2 24 to rotate inside the box 4, and the teeth of the gear 2 24 and the gear 1 23 are meshed, and the gear 2 24 drives the gear 1 23 to rotate, and the gear 1 23 drives the bidirectional screw 5 to rotate, and the bidirectional screw 5 rotates inside the slider 22, so that the two sliders 22 slide inside the slide groove 25. The upper mold 6 and the lower mold 8 are driven to move toward the outer surface of the mold core 11 through the two sliders 22, and then slowly enter the interior of the positioning hole 9 through the positioning rod 7, thereby completing the overlap of the upper mold 6 and the lower mold 8, and then the injection liquid slowly enters the interior of the upper mold 6 and the lower mold 8 and the outer surface of the mold core 11 through the injection tube 16, so that the corrugated part and the embedded flared part of the bellows are processed and formed at one time on the molding machine, avoiding the problems of difficulty in socketing and poor sealing of the pipe when the flaring is made later, thereby completing the injection molding of the bellows.

[0044] After the staff completes the injection molding of the bellows, it is necessary to cool the bellows. By turning on the water pump 18, the water in the water tank 14 enters the interior of the water pump 18 through the connecting pipe 17. At this time, the water enters the interior of the folded tube 19 through the water pump 18, and enters the interior of the water inlet pipe 20 through the folded tube 19, and enters the interior of the water passage chamber 21 through the water inlet pipe 20, and fills the interior of the water passage chamber 21 to quickly cool the bellows, and then slowly discharges it through the interior of the water outlet pipe 13, and collects the water through the water tank 14, thereby achieving rapid cooling of the bellows.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection molding device for a corrugated pipe, comprising a workbench (1), characterized in that: A vertical plate (2) is fixedly installed on the top of the workbench (1), a slide groove (25) is provided inside the vertical plate (2), a slider (22) is movably installed inside the slide groove (25), and two sliders (22) are provided, an upper mold (6) is fixedly installed on the front of one slider (22), and a lower mold (8) is fixedly installed on the front of the other slider (22), a positioning rod (7) is fixedly installed on the bottom of the upper mold (6), and a positioning hole (9) is provided inside the lower mold (8); A bidirectional screw rod (5) is movably mounted inside the two sliders (22), and one end of the bidirectional screw rod (5) completely penetrates the inside of the workbench (1); a gear 1 (23) is fixedly mounted on one end of the bidirectional screw rod (5), and the gear 1 (23) is movably mounted inside the box (4); a motor (3) is fixedly mounted on the top of the box (4); a gear 2 (24) is fixedly mounted on the output end of the motor (3), and the gear 2 (24) and the gear 1 (23) are meshed with each other; an injection molding tube (16) is fixedly mounted inside the upper mold (6), and one end of the injection molding tube (16) penetrates the inside of the upper mold (6); and a mold core (11) is movably mounted between the upper mold (6) and the lower mold (8).

2. The injection molding device for a corrugated pipe according to claim 1, characterized in that: The upper mold (6) and the positioning rod (7) are both provided with a water passage cavity (21) inside, a water inlet pipe (20) is fixedly installed on the outer surface of the upper mold (6), a water pump (18) is fixedly installed on the top of the workbench (1), a folding pipe (19) is fixedly connected between the water pump (18) and the water inlet pipe (20), a water tank (14) is provided on the top of the workbench (1), a connecting pipe (17) is fixedly connected between the water tank (14) and the water pump (18), and a water outlet pipe (13) is fixedly connected to the side of the upper mold (6).

3. The injection molding device for a corrugated pipe according to claim 1, characterized in that: A limiting groove (15) is provided inside the workbench (1), and a tool box (12) is movably installed inside the limiting groove (15).

4. The injection molding device for a corrugated pipe according to claim 1, characterized in that: A support block (28) is fixedly mounted on the back of the workbench (1), and the interior of the support block (28) is in a U-shape.

5. The injection molding device for a corrugated pipe according to claim 1, characterized in that: A support plate (26) is fixedly mounted on the bottom of the workbench (1), a connecting rod (27) is fixedly mounted between two of the support plates (26), and the connecting rods (27) and the support plates (26) are arranged in pairs, with two groups in total.

6. The injection molding device for a corrugated pipe according to claim 1, characterized in that: Support columns (29) are fixedly installed between the box body (4) and the motor (3), and the support columns (29) are arranged in the form of a circular array.

7. The injection molding device for a corrugated pipe according to claim 1, characterized in that: Telescopic rods (10) are fixedly mounted on the bottom of the lower mold (8) and the top of the workbench (1), and the telescopic rods (10) present four shapes of the same size.

8. The injection molding device for a corrugated pipe according to claim 3, characterized in that: The inner diameter of the protrusion on the side of the tool box (12) is the same as the outer diameter of the limiting groove (15).

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