Single-clamp water-swelling forming die

Abstract

The utility model relates to the technical field of water expansion forming, and provides a single-clamp-pressing water expansion forming die which comprises a bottom plate, two supporting plates and a fixing seat are fixed to the top of the bottom plate, a water storage tank is formed in the top of the bottom plate, a supporting column is fixed in the water storage tank, a lower die is fixed to the top of the supporting column, and the lower die is fixed to the bottom of the bottom plate. An upper mold is arranged above the lower mold, and two mold shaft fixing plates are embedded into one side wall of the fixing base and one side wall of one supporting plate. According to the water expansion forming die, forming equipment dies are few, the requirement for water expansion forming die equipment is low, meanwhile, the hydraulic cylinder drives the upper die to ascend, the forming die can be conveniently maintained, the technology can be reduced, the production efficiency can be improved, water obtained after water expansion penetrates through the filter plate, and the water expansion forming die is convenient to maintain. According to the water swelling device, the water swelling effect can be achieved, at the moment, water is poured into the forming die again through the water inlet hole by means of the water pump, and therefore the effect of recycling the water in the water storage tank can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of water expansion molding, in particular to a single-card water expansion molding die. Background Art

[0002] The water expansion process is a technology that uses water to fill the mold and apply pressure to cause the material to fit closely to the mold cavity shape, so that the material is formed into the mold cavity shape.

[0003] It is difficult to complete the hydraulic water expansion forming of single-clip compression fittings using the traditional water expansion forming process. At the same time, the existing single-clip compression fitting forming process has problems such as high cost, complicated process, and low production efficiency. Based on this, a single-clip compression water expansion forming mold is developed. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art such as the difficulty in forming single-card press fittings, high cost, complicated process and low production efficiency, and to develop a single-card press water expansion forming die based on this problem.

[0005] In order to achieve the above-mentioned object, the utility model adopts the following technical solution: a single-card water expansion molding die, comprising a bottom plate, two support plates and a fixed seat are fixed on the top of the bottom plate, a water storage tank is provided on the top of the bottom plate, a support column is fixed inside the water storage tank, a lower mold is fixed on the top of the support column, and an upper mold is provided above the lower mold, two mold shaft fixing plates are embedded in the fixing seat and a side wall of one of the support plates, one end of the mold shaft fixing plate is embedded with a water expansion mold shaft, the other end of the water expansion mold shaft is embedded with a water expansion and shrinkage die, and the other end of the water expansion and shrinkage die is installed with a water expansion die head, the water expansion die head is embedded between the lower mold and the upper mold and is slidably connected thereto, an arc-shaped high-pressure waterway is provided between the lower mold and the upper mold, a water inlet hole is provided inside the fixing seat, the water inlet hole is communicated with the mold shaft fixing plate, a connecting pipe is fixed and connected to a side wall of the fixing seat at the water inlet hole, and the other end of the connecting pipe is fixed and connected to a water pump, and a filter is installed inside the water storage tank.

[0006] Preferably, a U-shaped plate is fixed on the top of the support plate, a hydraulic cylinder is fixed on the top of the U-shaped plate, and the output end of the hydraulic cylinder passes through the U-shaped plate and is fixedly connected to the top of the upper mold.

[0007] Preferably, an oil seal ring is sleeved and fixed on one end of the water expansion and contraction die, and the oil seal ring is in close contact with the water expansion die shaft.

[0008] Preferably, the arc-shaped high-pressure water channels on the lower mold and the upper mold are adapted to each other.

[0009] Preferably, a water pump is fixed on the inner wall of one side wall of the water storage tank and located above the filter screen, and the output end of the water pump is fixed and connected to a water pumping pipe.

[0010] Preferably, a drainage hole is provided on one side wall of the bottom plate, and the drainage hole is communicated with the water storage tank.

[0011] Preferably, the water expansion die head has a flaring structure, and the flaring structure matches and is connected to the water expansion and contraction die, and one end of the water expansion die head away from the water expansion and contraction die is connected to the arc-shaped high-pressure waterway.

[0012] Compared with the prior art, the advantages and positive effects of the present invention are:

[0013] 1. In the present invention, the corresponding mold structure is designed by combining the principles of water expansion molding and mechanical molding, which solves the problem that single-clip pipe fittings produced by the water expansion molding process are difficult to form. At the same time, the upper mold is driven to rise by the hydraulic cylinder, which can facilitate the maintenance of the molding mold, thereby reducing the process and improving production efficiency.

[0014] 2. In the present invention, the swollen water passes through the filter plate, which can filter the swollen water. At this time, the water is pumped into the forming mold through the water inlet hole again, so that the water in the water tank can be recycled. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional diagram of the overall structure of a single-card water expansion molding die proposed in the utility model;

[0016] Figure 2 This is a top plan view of the overall structure of a single-card water expansion molding die proposed in the utility model;

[0017] Figure 3 The utility model provides a cross-sectional view of the overall structure of a single-card water expansion molding die.

[0018] Legend: 1. Bottom plate; 2. Support plate; 3. Water storage tank; 4. Support column; 5. Lower mold; 6. Upper mold; 7. Fixed seat; 8. U-shaped plate; 9. Hydraulic cylinder; 10. Mold shaft fixing plate; 11. Water expansion mold shaft; 12. Water expansion and shrinkage mold; 13. Oil seal ring; 14. Water expansion mold head; 15. Arc-shaped high-pressure water channel; 16. Water inlet hole; 17. Connecting pipe; 18. Water pump; 19. Filter screen; 20. Drain hole. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Example 1, as Figure 1-3 As shown, the utility model provides a single card water expansion forming die, including a bottom plate 1, two support plates 2 and a fixing seat 7 are fixed on the top of the bottom plate 1, a water storage tank 3 is opened on the top of the bottom plate 1, a support column 4 is fixed inside the water storage tank 3, a lower mold 5 is fixed on the top of the support column 4, and an upper mold 6 is provided above the lower mold 5, and two mold shaft fixing plates 10 are embedded in the fixing seat 7 and one side wall of one of the support plates 2, one end of the mold shaft fixing plate 10 is embedded with a water expansion mold shaft 11, and the other end of the water expansion mold shaft 11 is embedded with a water expansion mold shaft. The shrinking die 12 and the other end of the water-swelling shrinking die 12 are equipped with a water-swelling die head 14, which is embedded between the lower die 5 and the upper die 6 and slidably connected thereto. An arc-shaped high-pressure waterway 15 is provided between the lower die 5 and the upper die 6. A water inlet hole 16 is provided inside the fixed seat 7, and the water inlet hole 16 is communicated with the mold shaft fixing plate 10. A connecting pipe 17 is fixed and connected to a side wall of the fixed seat 7 at the water inlet hole 16, and the other end of the connecting pipe 17 is fixed and connected to a water pump 18. A filter screen 19 is installed inside the water storage tank 3.

[0022] The effect achieved by the entire embodiment 1 is that two support plates 2 and a fixing seat 7 are fixed on the top of the bottom plate 1, and a water storage tank 3 is opened on the top of the bottom plate 1, which can play the role of water storage, and a support column 4 is fixed inside the water storage tank 3. A lower mold 5 is fixed on the top of the support column 4, and an upper mold 6 is provided above the lower mold 5, which can play the role of enabling the support column 4 to support the lower mold 5. Two mold shaft fixing plates 10 are embedded in the side wall of the fixing seat 7 and one of the support plates 2, and one end of the mold shaft fixing plate 10 is embedded with a water expansion mold shaft 11, and the other end of the water expansion mold shaft 11 is embedded with a water expansion and shrinkage die 12, and the other end of the water expansion and shrinkage die 12 is installed with a water expansion die head 14, and the water expansion die head 14 is embedded in the lower mold 5. and the upper mold 6 and is slidably connected thereto. An arc-shaped high-pressure waterway 15 is provided between the lower mold 5 and the upper mold 6. A water inlet hole 16 is provided inside the fixing seat 7. The water inlet hole 16 is communicated with the mold shaft fixing plate 10. A connecting pipe 17 is fixed and connected to the water inlet hole 16 on one side wall of the fixing seat 7. The other end of the connecting pipe 17 is fixed and connected to a water pump 18. A filter screen 19 is installed inside the water tank 3, which can enable the water pump 18 to draw water from the water tank 3 into the water inlet hole 16 through the connecting pipe 17. The water in the water inlet hole 16 will be poured into the arc tube inside the arc-shaped high-pressure waterway 15 through the mold shaft fixing plate 10, the water expansion mold shaft 11 and the water expansion and shrinkage mold 12 and cause it to swell.

[0023] Example 2, as Figure 1-3 As shown, a U-shaped plate 8 is fixed to the top of the support plate 2, and a hydraulic cylinder 9 is fixed to the top of the U-shaped plate 8. The output end of the hydraulic cylinder 9 passes through the U-shaped plate 8 and is fixedly connected to the top of the upper mold 6; an oil seal ring 13 is sleeved and fixed on one end of the water expansion and contraction die 12, and the oil seal ring 13 is tightly attached to the water expansion die shaft 11; the arc-shaped high-pressure waterway 15 on the lower mold 5 and the upper mold 6 is adapted; a water pump 18 is fixed to the inner wall of one side wall of the water storage tank 3 and located above the filter screen 19, and the output end of the water pump 18 is fixed and connected to a water pump pipe; a drainage hole 20 is opened on one side wall of the bottom plate 1, and the drainage hole 20 is connected to the water storage tank 3.

[0024] The effects achieved by the entire embodiment 2 are as follows: a U-shaped plate 8 is fixed to the top of the support plate 2, a hydraulic cylinder 9 is fixed to the top of the U-shaped plate 8, the output end of the hydraulic cylinder 9 passes through the U-shaped plate 8 and is fixedly connected to the top of the upper mold 6, so that the hydraulic cylinder 9 can drive the upper mold 6 to move up and down; an oil seal ring 13 is sleeved and fixed on one end of the water expansion and contraction die 12, and the oil seal ring 13 is in close contact with the water expansion die shaft 11, which can improve the sealing effect between the water expansion and contraction die 12 and the water expansion die shaft 11; the arc-shaped high-pressure water channel 15 on the lower mold 5 and the upper mold 6 is adapted to accommodate the arc tube; a water pump 18 is fixed to the inner wall of one side wall of the water storage tank 3 and located above the filter screen 19, and the output end of the water pump 18 is fixed and connected to a water pump pipe, so that the water pump 18 can pump water out of the water storage tank 3 through the water pump pipe; a drainage hole 20 is opened in a side wall of the bottom plate 1, and the drainage hole 20 is connected to the water storage tank 3 to achieve a drainage effect.

[0025] In one embodiment, the water expansion die head 14 has a flared structure, and the flared structure matches and is connected to the water expansion and contraction die 12 , and one end of the water expansion die head 14 away from the water expansion and contraction die 12 is connected to the arc-shaped high-pressure waterway 15 .

[0026] Working principle: The upper mold 6 is lifted by the hydraulic cylinder 9. After the upper mold 6 is lifted, the arc tube can be placed inside the arc-shaped high-pressure waterway 15. At this time, the upper mold 6 is lowered by the hydraulic cylinder 9 to seal it with the lower mold 5. At this time, the water is pumped into the connecting pipe 17 through the water pump 18 through the water pump pipe. The water in the connecting pipe 17 is poured into the mold shaft fixing plate 10 through the water inlet hole 16. At this time, the water in the mold shaft fixing plate 10 is poured into the arc tube in the arc-shaped high-pressure waterway 15 through the water expansion mold shaft 11, the water expansion and shrinkage mold 12 and the water expansion die head 14 to achieve the water expansion effect.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A single-card water expansion molding die, comprising a base plate (1), characterized in that: Two support plates (2) and a fixing seat (7) are fixed on the top of the bottom plate (1); a water storage tank (3) is provided on the top of the bottom plate (1); a support column (4) is fixed inside the water storage tank (3); a lower mold (5) is fixed on the top of the support column (4); an upper mold (6) is provided above the lower mold (5); two mold shaft fixing plates (10) are embedded in one side wall of the fixing seat (7) and one of the support plates (2); a water expansion mold shaft (11) is embedded in one end of the mold shaft fixing plate (10); a water expansion mold shaft (12) is embedded in the other end of the water expansion mold shaft (11); the water expansion mold mouth (12) is embedded in the water expansion mold mouth (12); 2) is provided with a water expansion die head (14), which is embedded between the lower die (5) and the upper die (6) and is slidably connected thereto. An arc-shaped high-pressure waterway (15) is provided between the lower die (5) and the upper die (6). A water inlet hole (16) is provided inside the fixing seat (7), and the water inlet hole (16) is communicated with the die shaft fixing plate (10). A connecting pipe (17) is fixed to and communicated with the water inlet hole (16) on one side wall of the fixing seat (7), and the other end of the connecting pipe (17) is fixed to and communicated with a water pump (18). A filter screen (19) is provided inside the water storage tank (3).

2. The single-card water expansion molding die according to claim 1, characterized in that: A U-shaped plate (8) is fixed on the top of the support plate (2), a hydraulic cylinder (9) is fixed on the top of the U-shaped plate (8), and the output end of the hydraulic cylinder (9) passes through the U-shaped plate (8) and is fixedly connected to the top of the upper mold (6).

3. The single-card water expansion molding die according to claim 1, characterized in that: An oil seal ring (13) is sleeved and fixed on one end of the water expansion and contraction die (12), and the oil seal ring (13) is in close contact with the water expansion die shaft (11).

4. The single-card water expansion molding die according to claim 1, characterized in that: The arc-shaped high-pressure water channels (15) on the lower mold (5) and the upper mold (6) are adapted to each other.

5. The single-card water expansion molding die according to claim 1, characterized in that: A water pump (18) is fixed on the inner wall of one side wall of the water storage tank (3) and located above the filter screen (19), and the output end of the water pump (18) is fixed and connected to a water pumping pipe.

6. The single-card water expansion molding die according to claim 1, characterized in that: A drainage hole (20) is provided on one side wall of the bottom plate (1), and the drainage hole (20) is communicated with the water storage tank (3).

7. The single-card water expansion molding die according to claim 1, characterized in that: The water expansion die head (14) has a flared structure, and the flared structure matches and is connected to the water expansion and contraction die (12); one end of the water expansion die head (14) away from the water expansion and contraction die (12) is connected to the arc-shaped high-pressure waterway (15).

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