Waterway cooling 3D printing mold

Abstract

The utility model belongs to the technical field of battery shell processing molds, and particularly relates to a waterway cooling 3D printing mold which comprises a base plate, positioning rods are fixedly connected to the two ends of the upper side of the base plate, a top plate is fixedly connected to the upper ends of the two positioning rods, and a lower mold body is fixedly connected to the upper side wall of the base plate. Two symmetrically-arranged stripping mechanisms are arranged in the lower die body, two symmetrically-arranged telescopic air cylinders are fixedly connected to the upper side wall of the top plate, the lower ends of the two telescopic air cylinders penetrate through the top plate and are fixedly connected with a mounting plate, and three evenly-arranged pressure buffering mechanisms are fixedly connected to the lower side wall of the mounting plate. According to the automatic stripping device, the upper cooling shell, the water inlet valve port, the first water through hole, the lower cooling shell, the second water through hole and the water outlet valve port are arranged, the upper die body and the lower die body can be cooled at the same time, the cooling effect is better, automatic stripping of the battery shell can be achieved through the stripping mechanism, and the machining efficiency is high.

Description

Technical Field

[0001] The present application belongs to the technical field of battery casing processing molds, and specifically relates to a water-cooled 3D printing mold. Background Art

[0002] In recent years, with the development of science and technology, rapid prototyping technology (commonly known as 3D printing technology) has been rapidly developed and applied in my country, especially the application of metal powder selective laser sintering technology or selective laser melting technology in injection mold manufacturing. At present, the use of 3D printing technology to make molds, especially for small batch production of molds with more complex shapes, has become a trend. The molding of battery shells often requires the use of 3D printed molds for processing.

[0003] In a Chinese patent for a conformable water channel 3D printing mold (patent number: CN213227416U), the device includes a device body, a base is provided at the bottom of the device body, a control panel is provided on the outer wall of the base, a support rod is longitudinally provided inside the device body, a first support platform is provided through the upper part of the support rod, a first pneumatic cylinder is provided on both sides of the first support platform near the inner wall of the device body, a movable mold is provided on the lower surface of the first support platform, an injection hose is extended from the top of the movable mold, and a fixed mold is provided below the movable mold; this conformable water channel 3D printing mold can achieve the most effective cooling of the product in a short time by setting a cooling conformable water channel, a positioning column, and a positioning groove, greatly improving production efficiency and reducing costs, and is suitable for large-scale production. By setting a pressure plate, a reset spring, a support column, and a top plate, the purpose of automatic demoulding can be achieved, the difficulty of demoulding operation is effectively reduced, and it is convenient for operators to use. However, it is difficult to ensure that the upper and lower molds are uniformly cooled by water channels at the same time in the device, and the cooling effect is general. Utility Model Content

[0004] The purpose of the present application is to address the shortcomings of the prior art by arranging an upper cooling shell, a water inlet valve port, a first water hole, a lower cooling shell, a second water hole and a water outlet valve port, so that after injection molding, the water inlet valve port is connected to an external cold water source, and the upper mold body and the lower mold body can be cooled at the same time, thereby improving the cooling and molding efficiency. Water is discharged from the water outlet valve port and can be connected to a circulating cooling device, thereby solving the problem in the prior art that it is difficult to ensure uniform water cooling of the upper and lower molds at the same time.

[0005] To achieve the above objectives, this application provides the following technical solutions:

[0006] A water-cooled 3D printing mold comprises a base plate, both ends of the upper side of the base plate are fixedly connected to positioning rods, the upper ends of the two positioning rods are fixedly connected to a top plate, the upper side wall of the base plate is fixedly connected to a lower mold body, and two symmetrically arranged stripping mechanisms are provided in the lower mold body, the upper side wall of the top plate is fixedly connected to two symmetrically arranged telescopic cylinders, the lower ends of the two telescopic cylinders penetrate the top plate and are fixedly connected to a mounting plate, the lower side wall of the mounting plate is fixedly connected to three evenly arranged pressure relief mechanisms, the lower ends of the three pressure relief mechanisms are fixedly connected to an upper mold body corresponding to the lower mold body, the specific outer side wall of the upper mold is fixedly connected to an upper cooling shell, one side of the upper cooling shell is connected to a water inlet valve port, the lower side of the upper cooling shell is provided with a first water through hole, the specific outer side wall of the lower mold is fixedly connected to the lower cooling shell, the upper side of the lower cooling shell is provided with a second water through hole corresponding to the first water through hole, and one side of the lower cooling shell is connected to a water outlet valve port.

[0007] Preferably, the stripping mechanism includes an L-shaped cavity opened in the lower mold body, a support rod is fixedly connected in the L-shaped cavity, a movable sleeve is sleeved and slidably connected on the support rod, a compression spring is fixedly connected between the lower side of the movable sleeve and the inner bottom wall of the L-shaped cavity, a pressure rod is fixedly connected to the upper side wall of the movable sleeve, the upper end of the pressure rod passes through the upper side of the lower mold body, a through hole is opened in the inner bottom wall of the mold cavity of the lower mold body, a top material block is inserted in the through hole, and the lower end of the top material block is fixedly connected to the movable sleeve.

[0008] Preferably, the inner wall of the L-shaped cavity is slidably connected to the outer wall of the movable sleeve plate.

[0009] Preferably, the pressure relief mechanism comprises a hydraulic rod and a pressure relief spring vertically fixed between the mounting plate and the upper mold body, and the pressure relief spring is sleeved on the hydraulic rod.

[0010] Preferably, a cooling water cavity connected to the lower cooling shell is provided in the side wall of the lower mold.

[0011] Preferably, a positioning slide plate is sleeved on and slidably connected to the two positioning rods, and the two positioning slide plates are fixedly connected to two sides of the upper mold respectively.

[0012] Preferably, a sealing guide head which is connected to the first water through hole is fixedly connected to the lower side wall of the upper cooling shell, and the sealing guide head is matched with the second water through hole.

[0013] Compared with the prior art, the beneficial effects of this application are:

[0014] 1. The present application sets an upper cooling shell, a water inlet valve port, a first water hole, a lower cooling shell, a second water hole and a water outlet valve port. After injection molding, the water inlet valve port is connected to a cold water source, and the cold water is introduced into the upper cooling shell, and then introduced into the lower cooling shell from the first water hole through the second water hole. The upper mold body and the lower mold body can be cooled at the same time to improve the cooling molding efficiency. The water is discharged from the water outlet valve port and can be connected to a circulating cooling device. When removing the material, the cold water source is turned off to discharge the water from the upper cooling shell and the lower cooling shell.

[0015] 2. The present application sets up a stripping mechanism. When the upper mold body moves down and fits with the lower mold body, first, the pressure rod is squeezed, pushing the movable sleeve plate to move downward on the support rod. At this time, the compression spring is squeezed to generate elastic force, and drives the ejecting block to move down and fit with the through hole to seal. Then, plastic is injected into the mold cavity. After molding, when the upper mold body moves up, the elastic force of the compression spring can push the through hole fixed with the movable sleeve plate to eject the battery shell in the upper mold cavity of the lower mold body, thereby realizing automatic stripping, facilitating stripping, saving manpower and improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure of this application;

[0017] Figure 2 This is a schematic diagram of the front structure of the present application;

[0018] Figure 3 This is a schematic diagram of the front cross-sectional structure of the present application;

[0019] Figure 4 For this application Figure 3 A is an enlarged structural diagram of FIG.

[0020] Among them, 1. base plate; 2. positioning rod; 3. top plate; 4. lower mold body; 5. telescopic cylinder; 6. mounting plate; 7. upper mold body; 8. upper cooling shell; 9. water inlet valve port; 10. first water hole; 11. lower cooling shell; 12. second water hole; 13. water outlet valve port; 14. L-shaped cavity; 15. support rod; 16. movable sleeve plate; 17. compression spring; 18. pressure rod; 19. through hole; 20. ejector block; 21. hydraulic rod; 22. pressure relief spring; 23. cooling water cavity; 24. positioning slide plate; 25. sealing guide head. DETAILED DESCRIPTION

[0021] See also Figure 1-4, a water-cooled 3D printing mold for making a battery shell, comprising a base plate 1, both ends of the upper side of the base plate 1 are fixedly connected with positioning rods 2, the upper ends of the two positioning rods 2 are fixedly connected with a top plate 3, the upper side wall of the base plate 1 is fixedly connected with a lower mold body 4, and the lower mold body 4 is provided with two symmetrically arranged stripping mechanisms, the upper side wall of the top plate 3 is fixedly connected with two symmetrically arranged telescopic cylinders 5, the telescopic cylinders 5 are externally connected with a control switch, which is convenient for operation and an external power supply. The circuit involved is the prior art, the lower ends of the two telescopic cylinders 5 penetrate the top plate 3 and are fixedly connected with a mounting plate 6, and the lower side wall of the mounting plate 6 is fixedly connected with three evenly arranged pressure relief mechanisms, and the lower ends of the three pressure relief mechanisms are fixedly connected with an upper mold body 7 corresponding to the lower mold body 4, and the upper mold body 7 is provided with an injection port and an exhaust hole, which is the prior art, and the lower mold body 4 and the upper mold body 7 are enclosed inside to form a battery shell model cavity, and the upper mold The outer wall of the concrete 7 is fixedly connected with an upper cooling shell 8, one side of the upper cooling shell 8 is connected with a water inlet valve port 9, and the lower side of the upper cooling shell 8 is provided with a first water hole 10, and the outer wall of the lower mold body 4 is fixedly connected with a lower cooling shell 11, and the upper side of the lower cooling shell 11 is provided with a second water hole 12 corresponding to the first water hole 10, and one side of the lower cooling shell 11 is connected with a water outlet valve port 13. When the upper mold body 7 is fitted with the lower mold body 4, the first water hole 10 is connected with the second water hole 12. At this time, after injection molding, the water inlet valve port 9 is connected to a cold water source, and the cold water is introduced into the upper cooling shell 8, and then introduced into the lower cooling shell 11 through the first water hole 10 and the second water hole 12. The upper mold body 7 and the lower mold body 4 can be cooled at the same time to improve the cooling molding efficiency. The water is discharged from the water outlet valve port 13 and can be connected to a circulating cooling device. When removing the material, the cold water source is closed and the water in the upper cooling shell 8 and the lower cooling shell 11 can be discharged.

[0022] like Figure 3 and Figure 4As shown: the stripping mechanism includes an L-shaped cavity 14 opened in the lower mold body 4, a support rod 15 is fixedly connected in the L-shaped cavity 14, a movable sleeve plate 16 is sleeved and slidably connected on the support rod 15, a compression spring 17 is fixedly connected between the lower side of the movable sleeve plate 16 and the inner bottom wall of the L-shaped cavity 14, a pressure rod 18 is fixedly connected to the upper side wall of the movable sleeve plate 16, and the upper end of the pressure rod 18 passes through the upper side of the lower mold body 4, a through hole 19 is opened in the inner bottom wall of the mold cavity of the lower mold body 4, a top material block 20 is inserted in the through hole 19, and the lower end of the top material block 20 is fixedly connected to the movable sleeve plate 16. When the upper mold body 7 moves down and fits with the lower mold body 4, first, the pressure rod 18 is squeezed, pushing the movable sleeve plate 16 to move downward on the support rod 15. At this time, the compression spring 17 is squeezed to generate elastic force, and drives the ejecting block 20 to move down and fit and seal with the through hole 19. Then, plastic is injected into the mold cavity. After molding, when the upper mold body 7 moves up, the elastic force of the compression spring 17 can push the through hole 19 fixed with the movable sleeve plate 16 to eject the battery shell in the upper mold cavity of the lower mold body 4, thereby realizing automatic stripping, facilitating stripping, saving manpower, and improving processing efficiency.

[0023] like Figure 4 As shown, the inner wall of the L-shaped cavity 14 is slidably connected to the outer wall of the movable sleeve plate 16, so that the displacement of the movable sleeve plate 16 is more stable.

[0024] like Figure 3 As shown: the pressure relief mechanism includes a hydraulic rod 21 and a pressure relief spring 22 vertically fixed between the mounting plate 6 and the upper mold body 7. The pressure relief spring 22 is sleeved on the hydraulic rod 21. When the upper mold body 7 and the lower mold body 4 are in contact with each other, the hydraulic rod 21 and the pressure relief spring 22 are squeezed and contracted to generate elastic force, which can buffer the pressure between the upper mold body 7 and the lower mold body 4 to prevent damage to the upper mold body 7 and the lower mold body 4 due to excessive pressure.

[0025] like Figure 3 As shown: a cooling water cavity 23 connected to the lower cooling shell 11 is opened in the side wall of the lower mold body 4, so that cold water can be fully injected into the lower mold body 4 to improve the cooling effect, and can be designed according to the shape.

[0026] like Figure 1 As shown: a positioning slide plate 24 is sleeved on and slidably connected to the two positioning rods 2, and the two positioning slide plates 24 are respectively fixedly connected to the two sides of the upper mold body 7, which can play a positioning and guiding role in the displacement of the upper mold body 7, and the fitting is more accurate.

[0027] like Figure 3 As shown: the lower side wall of the upper cooling shell 8 is fixedly connected with a sealing guide 25 which is connected with the first water hole 10. The sealing guide 25 is matched with the second water hole 12 to improve the sealing performance and prevent water leakage.

[0028] Working principle: In this device, when the battery shell is injection molded, the two 5 are started to work and extend, pushing 7 down to fit with 4, and plastic can be injected into the mold cavity from the injection port on 7. After injection, the water inlet valve port 9 is connected to a cold water source, and the cold water is introduced into the upper cooling shell 8, and then introduced into the lower cooling shell 11 from the first water hole 10 through the second water hole 12, which can cool the upper mold body 7 and the lower mold body 4 at the same time, improving the cooling molding efficiency. The water is discharged from the water outlet valve port 13 and can be connected to a circulating cooling device;

[0029] When the upper mold body 7 moves down and fits with the lower mold body 4, first, the pressure rod 18 is squeezed, pushing the movable sleeve plate 16 to move downward on the support rod 15. At this time, the compression spring 17 is squeezed to generate elastic force, and drives the ejecting block 20 to move down and fit and seal with the through hole 19. Then, plastic is injected into the mold cavity. After molding, when the upper mold body 7 moves up, the elastic force of the compression spring 17 can push the through hole 19 fixed with the movable sleeve plate 16 to eject the battery shell in the upper mold cavity of the lower mold body 4, thereby realizing automatic stripping, facilitating stripping, saving manpower, and improving processing efficiency.

Claims

1. A water-cooled 3D printing mold, comprising a base plate (1), characterized in that: Both ends of the upper side of the base plate (1) are fixedly connected to positioning rods (2), the upper ends of the two positioning rods (2) are fixedly connected to a top plate (3), the upper side wall of the base plate (1) is fixedly connected to a lower mold body (4), and the lower mold body (4) is provided with two symmetrically arranged stripping mechanisms, the upper side wall of the top plate (3) is fixedly connected to two symmetrically arranged telescopic cylinders (5), the lower ends of the two telescopic cylinders (5) penetrate the top plate (3) and are fixedly connected to a mounting plate (6), and the lower side wall of the mounting plate (6) is fixedly connected to three evenly arranged pressure relief mechanisms, and the three pressure relief mechanisms are fixedly connected to the lower side wall of the mounting plate (6). The lower end of the pressing mechanism is fixedly connected to an upper mold body (7) corresponding to the lower mold body (4); the outer wall of the upper mold body (7) is fixedly connected to an upper cooling shell (8); one side of the upper cooling shell (8) is connected to a water inlet valve port (9); the lower side of the upper cooling shell (8) is provided with a first water hole (10); the outer wall of the lower mold body (4) is fixedly connected to a lower cooling shell (11); the upper side of the lower cooling shell (11) is provided with a second water hole (12) corresponding to the first water hole (10); and one side of the lower cooling shell (11) is connected to a water outlet valve port (13).

2. A water-cooled 3D printing mold according to claim 1, characterized in that: The stripping mechanism comprises an L-shaped cavity (14) provided in the lower mold body (4), a support rod (15) being fixedly connected in the L-shaped cavity (14), a movable sleeve plate (16) being sleeved and slidably connected on the support rod (15), a compression spring (17) being fixedly connected between the lower side of the movable sleeve plate (16) and the inner bottom wall of the L-shaped cavity (14), a pressure rod (18) being fixedly connected to the upper side wall of the movable sleeve plate (16), the upper end of the pressure rod (18) being arranged to pass through the upper side of the lower mold body (4), a through hole (19) being provided in the inner bottom wall of the mold cavity of the lower mold body (4), a top material block (20) being inserted in the through hole (19), and the lower end of the top material block (20) being fixedly connected to the movable sleeve plate (16).

3. A water-cooled 3D printing mold according to claim 2, characterized in that: The inner wall of the L-shaped cavity (14) is slidably connected to the outer wall of the movable sleeve plate (16).

4. The water-cooled 3D printing mold according to claim 1, characterized in that: The pressure relief mechanism comprises a hydraulic rod (21) and a pressure relief spring (22) vertically fixed between the mounting plate (6) and the upper mold body (7); the pressure relief spring (22) is sleeved on the hydraulic rod (21).

5. The water-cooled 3D printing mold according to claim 1, characterized in that: A cooling water cavity (23) which is in communication with the lower cooling shell (11) is provided in the side wall of the lower mold body (4).

6. The water-cooled 3D printing mold according to claim 1, characterized in that: A positioning slide plate (24) is sleeved on and slidably connected to the two positioning rods (2), and the two positioning slide plates (24) are respectively fixedly connected to two sides of the upper mold body (7).

7. The water-cooled 3D printing mold according to claim 1, characterized in that: A sealing guide (25) which is arranged in communication with the first water through hole (10) is fixedly connected to the lower side wall of the upper cooling shell (8), and the sealing guide (25) is arranged to match the second water through hole (12).

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