Corrugated pipe forming die

By introducing hydraulic drive and air gun high-pressure gas rapid release components into the bellows forming mold, the problem of low mold release efficiency of existing molds is solved, efficient production and cooling components are achieved, and cost is reduced.

CN223043409UActive Publication Date: 2025-07-01HENGSHUI HUIDE ROAD & BRIDGE MATERIALS CO LTD
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Patent Information

Application Number
CN202422139518.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-07-01
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

Existing metal corrugated molds lack rapid release components, resulting in reduced working efficiency.

Method used

A bellows forming mold including hydraulic cylinder, connecting plate, upper mold, lower mold, transmission rod, support plate and air gun is designed to achieve rapid mold release through hydraulic drive and high-pressure gas of the air gun, and is equipped with circulating cooling components to improve production efficiency and reduce costs.

Benefits of technology

The rapid release of corrugated pipes is achieved, which improves production efficiency, reduces waiting time, and reduces the high temperature of the mold during the molding process through the circulating cooling assembly, reducing energy costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of corrugated pipe production, and discloses a corrugated pipe forming die which comprises a workbench and a water tank, one side of the water tank is provided with a circulating cooling assembly, the circulating cooling assembly is used for filtering cooling liquid for recycling, the upper portion of the workbench is fixedly connected with a hydraulic cylinder, and the hydraulic cylinder is fixedly connected with the water tank. The driving end of the hydraulic cylinder is fixedly connected with a connecting plate, the upper side of the interior of the working table is fixedly connected with a plurality of sliding rods which are uniformly distributed, the connecting plate is slidably connected to the peripheries of the sliding rods, the lower part of the connecting plate is fixedly connected with an upper mold, and the upper part of the inner side of the working table is fixedly connected with a lower mold. According to the corrugated pipe demolding device, the upper mold is driven to ascend, the first spring can extrude the transmission rod to drive the supporting plate and the lifting block to ascend, the lifting block lifts the corrugated pipe to complete rapid demolding, cooling liquid can be filtered through the water tank to be reused, fixing of the filtering plate can be relieved by stirring the stirring rod, and the filtering plate can be pulled out by pulling the handle to be cleaned.
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Description

Technical Field

[0001] The utility model relates to the technical field of corrugated pipe production, in particular to a corrugated pipe forming die. Background Technique

[0002] With the rapid development of modern industry, the performance requirements for pipes are constantly increasing. Due to its excellent flexibility, strength and corrosion resistance, metal corrugated pipes are favored in many fields. To meet the production of metal corrugated pipes with different specifications and performance requirements, forming dies have emerged. Through precise structural design and advanced processing technology, it can efficiently process metal materials into corrugated pipes of various shapes, providing key technical support for the large-scale production of metal corrugated pipes and strongly promoting the development of related industries;

[0003] The metal corrugated pipe forming die consists of a forming die core and an outer die. The metal sheet is placed in the die, and through mechanical force, the sheet gradually deforms between the die core and the outer die to form a corrugated shape. The shape of the die core determines the inner diameter of the corrugated pipe, and the outer die controls the outer diameter. During the forming process, the precise design and processing of the die ensure the accurate size of the corrugated pipe;

[0004] The existing metal corrugated pipe forming die does not have a quick demoulding component. Workers need to use disassembly tools to take it out of the die, which consumes time and reduces work efficiency. Therefore, a corrugated pipe forming die is proposed to solve the above problems. Content of the Utility Model

[0005] In order to make up for the above deficiencies, the utility model provides a corrugated pipe forming die, aiming to improve the problem of reduced work efficiency caused by the lack of a quick demoulding component in the existing technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A corrugated pipe forming die, comprising a workbench and a water tank. A circulating cooling assembly is arranged on one side of the water tank, and the circulating cooling assembly is used to filter the coolant for recycling. A hydraulic cylinder is fixedly connected to the upper part of the workbench, and a connecting plate is fixedly connected to the driving end of the hydraulic cylinder. A plurality of uniformly distributed sliding rods are fixedly connected to the upper side of the inner part of the workbench, and the connecting plate is slidably connected to the outer periphery of the sliding rods. A upper die is fixedly connected to the lower part of the connecting plate. An inner upper part of the workbench is fixedly connected with a lower die. A plurality of uniformly distributed transmission rods are slidably connected to the inside of the lower die. A push plate is fixedly connected to the upper parts of every two transmission rods. A first spring is fixedly connected to the bottom of the transmission rod, and the bottom of the first spring is fixedly connected to the inside of the lower die. A support plate is fixedly connected to the middle of the transmission rod, and a lifting block is fixedly connected to the upper part of the support plate. The lifting block slides on the upper part of the lower die. An air cylinder is fixedly connected to the upper right part of the workbench, and an air gun is fixedly connected to the driving end of the air cylinder;

[0008] As a further description of the above technical solution:

[0009] The circulating cooling assembly includes a water pump. The water pump is fixed to the lower side of the inner part of the workbench. The input end of the water pump is fixedly connected to the lower left part of the water tank. The output end of the water pump is fixedly connected with a pipeline. A spray head is fixedly connected to the upper left part of the workbench, and the other end of the pipeline is fixedly connected to the left side of the spray head. A filter plate is slidably connected to the inside of the water tank. A handle is fixedly connected to the front side of the filter plate. A water inlet pipe is fixedly connected to the upper part of the water tank, and the upper part of the water inlet pipe is fixedly connected to the upper side of the inner part of the workbench. A shift lever is slidably connected to the upper front side of the water tank. A second spring is fixedly connected to the upper part of the shift lever, and the upper part of the second spring is fixedly connected to the upper side of the inside of the water tank. The lower part of the shift lever abuts against the upper front side of the filter plate;

[0010] As a further description of the above technical solution:

[0011] A plurality of holes one are formed in the inside of the support plate, and holes two are formed in the front and rear sides of the lower part of the lower die;

[0012] As a further description of the above technical solution:

[0013] Chute grooves are formed in the front and rear sides of the upper part of the lower die, and the push plate abuts against the inside of the chute grooves;

[0014] As a further description of the above technical solution:

[0015] A chute two is formed in the upper part of the lower die, and the lifting block slides in the inside of the chute two;

[0016] As a further description of the above technical solution:

[0017] An anti-slip sleeve is sleeved on the outer periphery of the handle;

[0018] As a further description of the above technical solution:

[0019] Chutes I are opened on both the left and right sides of the filter plate, and both the left and right sides inside the water tank slide inside the chutes I;

[0020] As a further description of the above technical solution:

[0021] A limiting piece is fixedly connected to the lower part of the shifting rod, and the limiting piece slides on the upper part of the front side of the water tank.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, a metal pipe is placed above the lower die. The driving hydraulic cylinder can push the connecting plate to move, the connecting plate can drive the upper die to move, the front and rear sides of the upper die can squeeze the push plate and the transmission rod to move, the transmission rod can drive the support plate and the lifting block to move downward. When the push plate is embedded into the inside of the clamping groove, the height of the lifting block will fit with the height of the lower die. The driving air cylinder can drive the air gun to move and squeeze and fix the metal pipe. The air gun outputs high-pressure gas to expand the metal pipe, and a corrugated pipe is formed through the patterns opened on the upper die and the lower die. When the upper die rises, multiple springs will lift the lower part of the transmission rod, so that it drives the support plate and the lifting block to move, and the lifting block will lift the corrugated pipe from the upper part of the lower die to complete demoulding. The production efficiency can be improved through the quick demoulding component. After the corrugated pipe is formed, the demoulding operation can be quickly realized, the waiting time is reduced, and the production process is made smoother and more efficient.

[0024] 2. In the utility model, when the water pump is started, the coolant can be pumped through the pipeline to the inside of the spray head through its input end. When the corrugated pipe is processed, the coolant is sprayed out through the spray head to cool the corrugated pipe. The coolant flows into the inside of the lower die through the chute II opened on the lower die. The coolant can flow into the water inlet pipe through the hole I opened on the support plate and the hole II opened at the lower part of the lower die, and then flows into the inside of the water tank through the water inlet pipe and is filtered by the filter plate for recycling. When the upper shifting rod squeezes the spring, the shifting rod can release the fixation of the filter plate, and by pulling the handle, the filter plate can be pulled out for cleaning. The circulating cooling component can quickly reduce the high temperature generated during the forming process of the die and reduce the cost. Description of the Drawings

[0025] Figure 1 is a three-dimensional schematic diagram of a corrugated pipe forming die proposed by the utility model;

[0026] Figure 2Schematic diagram of the connection plate of a corrugated pipe forming die proposed by the present utility model;

[0027] Figure 3 Schematic diagram of the lower die of a corrugated pipe forming die proposed by the present utility model;

[0028] Figure 4 Schematic diagram of the water tank of a corrugated pipe forming die proposed by the present utility model;

[0029] Figure 5 is Figure 4 The enlarged view of part A in

[0030] Legend:

[0031] 1. Workbench; 2. Hydraulic cylinder; 3. Air cylinder; 4. Water tank; 5. Filter plate; 6. Handle; 7. Anti-slip sleeve; 8. Pushing rod; 9. Water pump; 10. Lower die; 11. Slide bar; 12. Pushing plate; 13. Connection plate; 14. Transmission rod; 15. Support plate; 16. First spring; 17. Lifting block; 18. Upper die; 19. First hole; 20. Second hole; 21. Pipeline; 22. Sprinkler; 23. Air gun; 24. Water inlet pipe; 25. First chute; 26. Second spring; 27. Limit piece; 28. Card slot; 29. Second chute. Specific implementation mode

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0033] Refer to Figures 1 - 3, an embodiment provided by the present utility model: a corrugated pipe forming die, including a workbench 1 and a water tank 4. The workbench 1 is used for manufacturing corrugated pipes. A circulating cooling component is arranged on one side of the water tank 4, and the circulating cooling component is used for filtering the coolant for recycling. A hydraulic cylinder 2 is fixedly connected to the upper part of the workbench 1, and the hydraulic cylinder 2 is used for driving the die to press and form corrugated pipes. The driving end of the hydraulic cylinder 2 is fixedly connected with a connecting plate 13, and the connecting plate 13 is used for connecting the driving end of the hydraulic cylinder 2 with the template. A plurality of uniformly distributed sliding rods 11 are fixedly connected to the upper side inside the workbench 1, and the connecting plate 13 is slidably connected to the outer periphery of the sliding rods 11. The sliding rods 11 are used for guiding and smoothing the movement track of the connecting plate 13. A upper die 18 is fixedly connected to the lower part of the connecting plate 13. A lower die 10 is fixedly connected to the upper part inside the workbench 1. The upper die 18 and the lower die 10 cooperate to press and form corrugated pipes. A plurality of uniformly distributed transmission rods 14 are slidably connected to the inside of the lower die 10, and the transmission rods 14 are used for transmitting kinetic energy. A push plate 12 is fixedly connected to the upper part of every two transmission rods 14, and the push plate 12 is used for driving the transmission rods 14 to move. A first spring 16 is fixedly connected to the bottom of the transmission rod 14, and the bottom of the first spring 16 is fixedly connected to the inside of the lower die 10. The transmission rod 14 can squeeze the first spring 16, and the first spring 16 is used for resetting the transmission rod 14. A support plate 15 is fixedly connected to the middle of the transmission rod 14, and the transmission rod 14 is used for driving the support plate 15 to move. A lifting block 17 is fixedly connected to the upper part of the support plate 15, and the support plate 15 is used for driving the lifting block 17 to move. The lifting block 17 is used for cooperating with the lower die 10 to complete the production of corrugated pipes and lift and demold the corrugated pipes. The lifting block 17 slides on the upper part of the lower die 10. An air cylinder 3 is fixedly connected to the upper right part of the workbench 1, and the driving end of the air cylinder 3 is fixedly connected with an air gun 23. The air cylinder 3 can push the air gun 23 to squeeze and fix the metal pipe. The air gun 23 is used for outputting high-pressure gas to expand the metal pipe and squeeze the die to form corrugations. A plurality of holes 19 are formed in the inside of the support plate 15, and holes 20 are formed in the front and rear sides of the lower part of the lower die 10. The holes 19 and the holes 20 are used for the coolant to seep down. Slots 28 are formed in the front and rear sides of the upper part of the lower die 10, and the push plate 12 abuts against the inside of the slots 28. When the push plate 12 is embedded in the slots 28, the lifting block 17 and the upper part of the lower die 10 are in the same plane. A second chute 29 is formed in the upper part of the lower die 10, and the lifting block 17 slides in the second chute 29. The second chute 29 is used for restricting the sliding track of the second chute 29 to prevent it from deviating and shaking. Through the quick demolding component, after the corrugated pipe is formed, the demolding operation can be quickly realized, reducing the waiting time.

[0034] Refer to Figure 1 , Figure 4 and Figure 5, the circulating cooling assembly includes a water pump 9 which is used to absorb and pump cooling liquid. The water pump 9 is fixed to the lower side inside the workbench 1. The input end of the water pump 9 is fixedly connected to the lower left side of the water tank 4. Through its input end, the water pump 9 can pump the filtered coolant to other components. The output end of the water pump 9 is fixedly connected to a pipeline 21. On the upper left side of the workbench 1, a spray head 22 is fixedly connected. The other end of the pipeline 21 is fixedly connected to the left side of the spray head 22. Through its output end and the pipeline 21, the water pump 9 can pump the coolant into the spray head 22. The spray head 22 is used to spray cooling liquid to cool the corrugated pipe after it is formed. A filter plate 5 is slidably connected inside the water tank 4. The filter plate 5 is used to filter the cooling liquid. A handle 6 is fixedly connected to the front side of the filter plate 5. The handle 6 is used to pull the filter plate 5 out of the water tank 4. An inlet pipe 24 is fixedly connected to the upper part of the water tank 4. The upper part of the inlet pipe 24 is fixedly connected to the upper side inside the workbench 1. The inlet pipe 24 is used to allow the coolant to flow into the water tank 4 for filtration and recycling. A lever 8 is slidably connected to the upper front side of the water tank 4. The lever 8 is used to fix the filter plate 5. The upper part of the lever 8 is fixedly connected to a second spring 26. The second spring 26 is used to squeeze and reset the lever 8. The upper part of the second spring 26 is fixedly connected to the upper side inside the water tank 4. The lower part of the lever 8 abuts against the upper front side of the filter plate 5. An anti-slip sleeve 7 is sleeved on the outer periphery of the handle 6. The anti-slip sleeve 7 is used to prevent the palm from slipping during the process of holding the handle 6. A first chute 25 is formed on both the left and right sides of the filter plate 5. On both the left and right sides inside the water tank 4, they are slidably connected inside the first chute 25. The first chute 25 is used to guide the movement track of the filter plate 5 and prevent it from shifting and shaking. A limiting piece 27 is fixedly connected to the lower part of the lever 8. The limiting piece 27 slides on the upper front side of the water tank 4. The limiting piece 27 is used to prevent the lever 8 from descending excessively and damaging the components. The circulating cooling assembly can timely take away the heat generated during the corrugated pipe forming process, maintain the efficient operation of the system, and reduce the energy cost.

[0035] Working principle: Place the metal tube above the lower mold 10, drive the hydraulic cylinder 2 to push the connecting plate 13 and the upper mold 18 to move, and when the upper mold 18 is pressed down, it will push the push plate 12 and the transmission rod 14 to move, and the transmission rod 14 will squeeze the spring 16 to drive the support plate 15 and the lifting block 17 to move downward. When the push plate 12 is embedded in the slot 28, the upper part of the lifting block 17 will be in the same plane as the upper part of the lower mold 10. At this time, the upper and lower molds 10 will completely squeeze the metal tube, and the driving cylinder 3 can drive the air gun 23 to move, and the air gun 23 can squeeze and fix the metal tube. The air gun 23 is connected to the air pump to output high-pressure gas to the inside of the metal tube to expand it, and form a bellows through the lines opened in the mold. When the upper mold 18 is lifted, the spring 1 6 will squeeze the transmission rod 14 to make it rise, the transmission rod 14 can drive the support plate 15 and the lifting block 17 to rise, the lifting block 17 can drive the bellows to lift and complete demoulding, start the water pump 9 to pump the coolant filtered at the lower part of the water tank 4 to the inside of the nozzle 22 through the pipe 21, after the bellows processing is completed, the nozzle 22 can spray the coolant to cool it down, the coolant can flow into the inside of the lower mold 10 through the chute 29, and flow into the inside of the water inlet pipe 24 through the hole 19 and the hole 20, and can flow into the upper part of the water tank 4 through the water inlet pipe 24 and be filtered through the filter plate 5, the lever 8 is moved to squeeze the spring 26 to release the fixation of the filter plate 5 by the lever 8, and the filter plate 5 can be pulled out for cleaning by pulling the handle 6.

[0036] Finally, it should be noted that the above is only 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 can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bellows forming die, comprising a workbench (1) and a water tank (4), characterized in that: A circulating cooling component is provided on one side of the water tank (4), and the circulating cooling component is used to filter the coolant for circulating use. A hydraulic cylinder (2) is fixedly connected to the upper part of the workbench (1), and a connecting plate (13) is fixedly connected to the driving end of the hydraulic cylinder (2). A plurality of evenly distributed sliding rods (11) are fixedly connected to the inner upper side of the workbench (1), and the connecting plate (13) is slidably connected to the outer periphery of the sliding rods (11). An upper mold (18) is fixedly connected to the lower part of the connecting plate (13). A lower mold (10) is fixedly connected to the inner upper part of the workbench (1), and a plurality of sliding rods (11) are slidably connected to the inner part of the lower mold (10). The transmission rods (14) are evenly distributed, and the upper parts of every two of the transmission rods (14) are fixedly connected to a push plate (12), the bottom of the transmission rods (14) is fixedly connected to a spring (16), the bottom of the spring (16) is fixedly connected to the inside of the lower mold (10), the middle part of the transmission rod (14) is fixedly connected to a support plate (15), the upper part of the support plate (15) is fixedly connected to a lifting block (17), and the lifting block (17) slides on the upper part of the lower mold (10), and the upper right part of the workbench (1) is fixedly connected to a cylinder (3), and the driving end of the cylinder (3) is fixedly connected to an air gun (23).

2. A corrugated pipe forming die according to claim 1, characterized in that: The circulating cooling assembly comprises a water pump (9), the water pump (9) being fixed to the lower side of the interior of the workbench (1), the input end of the water pump (9) being fixedly connected to the lower left side of the water tank (4), the output end of the water pump (9) being fixedly connected to a pipe (21), a nozzle (22) being fixedly connected to the left side of the upper part of the workbench (1), the other end of the pipe (21) being fixedly connected to the left side of the nozzle (22), a filter plate (5) being slidably connected to the interior of the water tank (4), the filter plate ( A handle (6) is fixedly connected to the front side of the water tank (5); a water inlet pipe (24) is fixedly connected to the upper part of the water tank (4); the upper part of the water inlet pipe (24) is fixedly connected to the inner upper side of the workbench (1); a lever (8) is slidably connected to the upper part of the front side of the water tank (4); a spring 2 (26) is fixedly connected to the upper part of the spring 2 (26); the lower part of the lever (8) abuts against the upper part of the front side of the filter plate (5).

3. The bellows forming mold according to claim 1, characterized in that: The support plate (15) is provided with a plurality of first holes (19) inside, and the lower part of the lower mold (10) is provided with second holes (20) on both the front and rear sides.

4. The bellows forming mold according to claim 1, characterized in that: The upper front and rear sides of the lower mold (10) are both provided with a clamping groove (28), and the push plate (12) abuts against the inside of the clamping groove (28).

5. The bellows forming die according to claim 1, characterized in that: A second slide groove (29) is provided on the upper portion of the lower mold (10), and the lifting block (17) slides inside the second slide groove (29).

6. The bellows forming die according to claim 2, characterized in that: The outer periphery of the handle (6) is provided with an anti-slip sleeve (7).

7. The bellows forming die according to claim 2, characterized in that: The filter plate (5) is provided with a slide groove (25) on both the left and right sides, and the inside of the water tank (4) slides inside the slide groove (25) on both the left and right sides.

8. The bellows forming die according to claim 2, characterized in that: The lower part of the lever (8) is fixedly connected to a limiting plate (27), and the limiting plate (27) slides on the upper front part of the water tank (4).