Water-cooling forming die

Abstract

The utility model relates to the technical field of plastic bottle cap production, and discloses a water-cooling forming die which comprises a lower die, the lower die is in a hollow cylinder shape with the top open, a water inlet is formed in the outer wall face of the lower die, the wall face of the lower die is hollow, the water inlet is communicated with the wall face of the lower die, and a hydraulic rod is arranged at the top of the lower die. A demolding structure is arranged on the wall face of the lower mold and comprises a rear rod, an ejector rod and a clamping plate, the rear rod is fixedly connected to the rear wall face of the lower mold, the ejector rod is rotationally connected to the wall face of the rear rod, and the clamping plate is movably connected to the wall face of the rear rod. And the demolding structure can separate the bottle cap manufactured on the wall surface of the upper mold.

Description

Technical Field

[0001] The utility model belongs to the technical field of plastic bottle cap production, and specifically relates to a water-cooled forming die. Background Art

[0002] Bottle caps are commonly used containers in life. They have good sealing performance, pressure resistance performance and waterproof performance, and play an important role in the storage and transportation of food and materials. Therefore, the processing technology of water bottle caps is crucial.

[0003] The commonly used bottle caps at present need to be manually demolded by workers after being water-cooled and formed. This process will increase the working pressure of workers and consume more working time. Because the next bottle cap can only be formed after the previous one is demolded, it is rather troublesome.

[0004] In view of this, the present utility model is specifically proposed. Content of the Utility Model

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present utility model is as follows:

[0006] A water-cooled forming die, including a lower die. The lower die is in the shape of a hollow cylinder with an open top. An inlet is provided on the outer wall of the lower die. The wall of the lower die is hollow, and the inlet is communicated with the wall of the lower die. A hydraulic rod is arranged on the top of the lower die. The bottom of the hydraulic rod is rotatably connected to a top plate. The bottom of the top plate is fixedly connected to an upper die. A demolding structure is arranged on the wall of the lower die. The demolding structure includes a rear rod, a top rod and a clamping plate. The rear rod is fixedly connected to the rear wall of the lower die. The top rod is rotatably connected to the wall of the rear rod. The clamping plate is movably connected to the wall of the rear rod. The demolding structure can separate the bottle cap made on the wall of the upper die.

[0007] As a preferred embodiment of the present utility model, the section of the rear rod is in the shape of a "匚", the top of the rear rod is fixedly connected to the hydraulic rod, and the clamping plates are symmetrically arranged on the front wall of the rear rod.

[0008] As a preferred embodiment of the present utility model, the demolding structure further includes a rotating groove, a base shaft and a stop rod. The rotating groove is penetrated and opened on the front wall of the rear rod. The base shaft is fixedly connected to the wall of the rear rod in the rotating groove. The stop rod is fixedly connected to the front wall of the rear rod.

[0009] As a preferred embodiment of the present utility model, the rotating groove is in the shape of a rectangular groove, the base shaft is in the shape of a cylinder, the stop rod is fixedly connected to the front wall of the rear rod in the upper half of the rotating groove, the top rod can enter the rotating groove, and the section of the stop rod is a right triangle with an inclined surface facing downwards.

[0010] As a preferred embodiment of the utility model, the demolding structure also includes a swivel, a belt rod, a side rod and a spring groove. The swivel is rotatably connected to the wall of the base shaft, the belt rod is fixedly connected to the top of the swivel, the top rod is fixedly connected to the bottom of the swivel, the side rods are symmetrically fixedly connected to both sides of the front wall of the rear rod, and the spring groove is opened on the front wall of the side rod.

[0011] As a preferred embodiment of the utility model, the belt rod, top rod and swivel can form a herringbone shape, the wall surface of the belt rod can contact the rear wall surface of the top plate, the rear wall surface of the belt rod can contact the inclined surface of the baffle rod, the swivel is in a circular ring shape, the cavity of the swivel can adapt to the wall surface of the base shaft, and the elastic groove is a convex groove.

[0012] As a preferred embodiment of the utility model, the demoulding structure also includes a spring block and a friction groove, the spring block is elastically connected in the spring groove by a spring, the friction groove is provided on the side wall surface of the clamping plate, and the clamping plate is fixedly connected to the front wall surface of the spring block.

[0013] As a preferred embodiment of the utility model, the spring groove can be adapted to the spring blocks, the number of the spring blocks corresponds to the side rods, the friction groove is a rectangular groove, and the friction grooves on the wall surfaces of the symmetrical splints face each other.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. By setting up a demoulding structure, the water-cooled formed bottle cap can be demoulded quickly, because the demoulding structure can quickly demould the bottle cap by separating and knocking off the formed bottle cap. Compared with manual demoulding, the demoulding pressure of this solution is smaller and the working time is shorter.

[0016] 2. The friction groove can prevent the bottle cap from sliding off when the bottle cap is clamped by the clamping plate, because the friction groove improves the stability of the bottle cap fixed by the clamping plate by increasing the friction force, thereby increasing the stability of the device when it is working.

[0017] The specific implementation modes of the present utility model are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In the attached picture:

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 This is an exploded view of the lower mold and the upper mold of the utility model;

[0021] Figure 3 This is a disassembled diagram of the rear rod and the swivel of the utility model;

[0022] Figure 4 This is a disassembly diagram of the splint and side rod of the utility model;

[0023] Figure 5 It is a three-dimensional diagram of the splint of the utility model.

[0024] In the figure: 20, lower mold; 21, water inlet; 22, hydraulic rod; 23, top plate; 24, upper mold; 30, rear rod; 31, rotating groove; 32, base shaft; 33, stop rod; 34, swivel; 35, ejector rod; 36, belt rod; 37, side rod; 38, spring groove; 39, spring block; 40, splint; 41, friction groove. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0026] like Figure 1 and Figure 2 As shown, a water-cooled forming mold includes a lower mold 20, which is in the shape of a hollow cylinder with an open top. A water inlet 21 is provided on the outer wall of the lower mold 20. The wall of the lower mold 20 is hollow, and the water inlet 21 is connected to the wall of the lower mold 20. A hydraulic rod 22 is provided on the top of the lower mold 20. The bottom of the hydraulic rod 22 is rotatably connected to a top plate 23. The bottom of the top plate 23 is fixedly connected to an upper mold 24. The wall of the upper mold 24 is provided with a bottle cap thread. The hydraulic rod 22 is electrically connected to a power supply. The hydraulic rod 22 can also drive the upper mold 24 to rotate. This is an existing technology, so it will not be described here.

[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the wall surface of the lower mold 20 is provided with a demoulding structure, which includes a rear rod 30, a push rod 35 and a clamping plate 40. The rear rod 30 is fixedly connected to the rear wall surface of the lower mold 20, the push rod 35 is rotatably connected to the wall surface of the rear rod 30, and the clamping plate 40 is movably connected to the wall surface of the rear rod 30. The demoulding structure can detach the bottle cap produced on the wall surface of the upper mold 24.

[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown in the figure, the cross-section of the rear rod 30 is in a U shape. The top of the rear rod 30 is fixedly connected to the hydraulic rod 22. The clamping plates 40 are symmetrically arranged on the front wall surface of the rear rod 30. The demoulding structure further includes a rotating groove 31, a base shaft 32 and a stop rod 33. The rotating groove 31 runs through the front wall surface of the rear rod 30. The base shaft 32 is fixedly connected to the wall surface of the rear rod 30 within the rotating groove 31. The stop rod 33 is fixedly connected to the front wall surface of the rear rod 30. The rotating groove 31 is a rectangular groove. The base shaft 32 is cylindrical. The stop rod 33 is fixedly connected to the front wall surface of the rear rod 30 at the upper half of the rotating groove 31. The ejector rod 35 can enter the rotating groove 31. The cross-section of the stop rod 33 is a right triangle with an inclined surface facing downwards. The demoulding structure further includes a rotating ring 34, a belt rod 36, a side rod 37 and a spring groove 38. The rotating ring 34 is rotatably connected to the wall surface of the base shaft 32. The belt rod 36 is fixedly connected to the top of the rotating ring 34. The ejector rod 35 is fixedly connected to the bottom of the rotating ring 34. The side rods 37 are symmetrically and fixedly connected to both sides of the front wall surface of the rear rod 30. The spring groove 38 is opened on the front wall surface of the side rod 37. The belt rod 36, the ejector rod 35 and the rotating ring 34 can form a V shape. The wall surface of the belt rod 36 can contact the rear wall surface of the top plate 23. The rear wall surface of the belt rod 36 can contact the inclined surface of the stop rod 33. The rotating ring 34 is circular. The cavity of the rotating ring 34 can fit the wall surface of the base shaft 32. The spring groove 38 is a convex-shaped groove. The demoulding structure further includes a spring block 39 and a friction groove 41. The spring block 39 is elastically connected in the spring groove 38 through a spring. The friction groove 41 is opened on the side wall surface of the clamping plate 40. The clamping plate 40 is fixedly connected to the front wall surface of the spring block 39;

[0029] During specific use, first inject the heated and softened bottle cap raw material into the cavity of the lower mold 20. At this time, turn on the power supply of the hydraulic rod 22. The hydraulic rod 22 can push the top plate 23 to move vertically downwards. The top plate 23 can drive the upper mold 24 to move simultaneously when moving, so as to press and form the bottle cap raw material in the cavity of the lower mold 20. At this time, inject the cooling water into the hollow wall surface of the lower mold 20 from the water inlet 21. When the water is injected into the water inlet 21, the temperature of the water will solidify the bottle cap through the wall surface of the lower mold 20. When the bottle cap is formed and solidified, the hydraulic rod 22 will contract and drive the top plate 23 and the upper mold 24 to rise simultaneously, and make the top plate 23 rotate when rising. When the top plate 23 rotates, it will drive the upper mold 24 to rotate simultaneously. The upper mold 24 drives the bottle cap to rise and when it rises between the symmetrical clamping plates 40, the spring can push the spring block 39 towards the other spring block 39, so that the clamping plates 40 clamp the bottle cap and the rotating upper mold 24 will separate from the bottle cap. When the top plate 23 moves to the highest position, it will push the belt rod 36 to contact the inclined surface of the stop rod 33. When the belt rod 36 is pushed, it can drive the rotating ring 34 to rotate in the rotating groove 31. The rotating ring 34 can drive the ejector rod 35 when rotating. When the belt rod 36 contacts the stop rod 33, the ejector rod 35 will push the bottle cap clamped by the clamping plates 40 towards the front wall surface, thus completing the demoulding of the bottle cap;

[0030] In summary, by setting up a demoulding structure, the water-cooled formed bottle caps can be quickly demoulded, because the demoulding structure can quickly demould the bottle caps by separating and knocking off the formed bottle caps. Compared with manual demoulding, the demoulding pressure of this solution is smaller and the working time is shorter.

[0031] like Figure 4 and Figure 5 As shown, the spring groove 38 can be adapted to the spring block 39, the number of the spring block 39 corresponds to the side rod 37, the friction groove 41 is a rectangular groove, and the friction grooves 41 of the wall surface of the symmetrical clamping plate 40 face each other;

[0032] In actual use, a plurality of friction grooves 41 are evenly formed on the wall surface of the clamping plate 40, and the friction grooves 41 can prevent the side wall surface of the clamping plate 40 from moving when in contact with the bottle cap;

[0033] In summary, the friction groove 41 can prevent the bottle cap from sliding off when the bottle cap is clamped by the clamping plate 40, because the friction groove 41 improves the stability of the bottle cap fixed by the clamping plate 40 by increasing the friction force, thereby increasing the stability of the device when it is working.

[0034] Working principle: The heated and softened bottle cap raw material is first injected into the cavity of the lower mold 20. At this time, the power of the hydraulic rod 22 is turned on. The hydraulic rod 22 can push the top plate 23 to move vertically downward. The top plate 23 can drive the upper mold 24 to move at the same time during the movement, thereby pressing the bottle cap raw material in the cavity of the lower mold 20 into shape.

[0035] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A water-cooled forming mold, comprising a lower mold (20), the lower mold (20) is in the shape of a hollow cylinder with an open top, a water inlet (21) is provided on the outer wall of the lower mold (20), the wall of the lower mold (20) is hollow, the water inlet (21) is connected to the wall of the lower mold (20), a hydraulic rod (22) is provided on the top of the lower mold (20), the bottom of the hydraulic rod (22) is rotatably connected to a top plate (23), the bottom of the top plate (23) is fixedly connected to an upper mold (24), characterized in that: The wall surface of the lower mold (20) is provided with a demolding structure, which includes a rear rod (30), a ejector rod (35) and a clamping plate (40). The rear rod (30) is fixedly connected to the rear wall surface of the lower mold (20). The ejector rod (35) is rotatably connected to the wall surface of the rear rod (30). The clamping plate (40) is movably connected to the wall surface of the rear rod (30). The demolding structure can separate the bottle cap formed on the wall surface of the upper mold (24).

2. The water-cooled forming mold according to claim 1, characterized in that: The cross-section of the rear rod (30) is in a C shape. The top of the rear rod (30) is fixedly connected to the hydraulic rod (22). The clamping plates (40) are symmetrically arranged on the front wall surface of the rear rod (30).

3. The water-cooled forming mold according to claim 1, characterized in that: The demolding structure further includes a rotating groove (31), a base shaft (32) and a stop rod (33). The rotating groove (31) is贯穿ly opened on the front wall surface of the rear rod (30). The base shaft (32) is fixedly connected to the wall surface of the rear rod (30) within the rotating groove (31). The stop rod (33) is fixedly connected to the front wall surface of the rear rod (30).

4. The water-cooled forming mold according to claim 3, characterized in that: The rotating groove (31) is in a rectangular shape. The base shaft (32) is in a cylindrical shape. The stop rod (33) is fixedly connected to the front wall surface of the rear rod (30) in the upper half of the rotating groove (31). The ejector rod (35) can enter the rotating groove (31). The cross-section of the stop rod (33) is a right triangle with an inclined surface facing downwards.

5. The water-cooled forming mold according to claim 3, characterized in that: The demolding structure further includes a rotating ring (34), a belt rod (36), a side rod (37) and a spring groove (38). The rotating ring (34) is rotatably connected to the wall surface of the base shaft (32). The belt rod (36) is fixedly connected to the top of the rotating ring (34). The ejector rod (35) is fixedly connected to the bottom of the rotating ring (34). The side rods (37) are symmetrically and fixedly connected to both sides of the front wall surface of the rear rod (30). The spring groove (38) is opened on the front wall surface of the side rod (37).

6. The water-cooled forming mold according to claim 5, characterized in that: The belt rod (36), the ejector rod (35) and the rotating ring (34) can form a herringbone shape. The wall surface of the belt rod (36) can contact the rear wall surface of the top plate (23). The rear wall surface of the belt rod (36) can contact the inclined surface of the stop rod (33). The rotating ring (34) is in a circular ring shape. The cavity of the rotating ring (34) can fit the wall surface of the base shaft (32). The spring groove (38) is in a convex character shape groove.

7. The water-cooled forming mold according to claim 5, characterized in that: The demolding structure further includes a spring block (39) and a friction groove (41). The spring block (39) is elastically connected in the spring groove (38) through a spring. The friction groove (41) is opened on the side wall surface of the clamping plate (40). The clamping plate (40) is fixedly connected to the front wall surface of the spring block (39).

8. The water-cooled forming mold according to claim 7, characterized in that: The spring groove (38) can fit the spring block (39). The number of the spring blocks (39) corresponds to that of the side rods (37). The friction groove (41) is in a rectangular shape groove. The friction grooves (41) on the wall surfaces of the symmetric clamping plates (40) face each other.

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