Injection mold capable of rapidly demolding for new energy automobile battery cover plate

Abstract

The utility model discloses a new energy automobile battery cover plate injection mold capable of quickly demolding, which relates to the technical field of new energy automobile batteries and comprises a portal frame, a lower mold body is mounted on the surface side of the portal frame, an air cylinder is mounted on the upper side of the portal frame, and an upper mold body is mounted at the output end of the air cylinder. A transmission rod is fixedly connected to one side of the upper die body, a fixing pipe is installed on the surface side of the portal frame, and a piston is slidably connected into the fixing pipe. After cooling and forming, when the upper die body moves upwards, a piston is driven to move upwards through a transmission rod, when a movable plug moves upwards, gas in a fixed pipe is pushed to enter a gas guide pipe, gas in the gas guide pipe enters a gas guide cavity, and the gas in the gas guide pipe enters the gas guide cavity; when the air guide cavity is filled with air, the push rod in the movable cavity moves upwards, and then the cooled and formed mold located in the lower mold body can be pushed out.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy automobile battery technical field, concretely is a kind of new energy automobile battery cover plate with injection mold of quick demoulding. BACKGROUND

[0002] Injection molding is a method of product production modeling. Products usually use rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding and die pressing method and die casting method, and injection molding machine is the main molding equipment for making various shape plastic products by using thermoplastic or thermosetting material.

[0003] In the prior art, a new energy battery cover plate injection mold (authorized publication number CN220923157U) is disclosed in Chinese patent. The patent technology can set the first limiting structure, which not only has a good limiting effect on the battery cover plate, ensures that the battery cover plate is always in the center position of the mold cavity, and finally ensures the injection accuracy, and also has a good protection effect on the side edge of the battery cover plate. In addition, it can also meet the strict requirements of size in the production process.

[0004] However, the component molded inside the mold cavity cannot be quickly taken out in the above-mentioned application file, and the component inside the mold cavity can only be taken out by the external component by the staff, which is time-consuming and laborious, and reduces the work efficiency. Therefore, a new energy automobile battery cover plate injection mold with quick demolding is provided to solve the problems raised in the above background technology. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a new energy automobile battery cover plate injection mold with quick demolding to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A new energy automobile battery cover plate injection mold with quick demolding, comprising a gantry, a lower mold body is installed on the surface side of the gantry, a gas cylinder is installed on the upper side of the gantry, an upper mold body is installed on the output end of the gas cylinder, a transmission rod is fixedly connected to one side of the upper mold body, a fixed pipe is installed on the surface side of the gantry, a piston is slidably connected inside the fixed pipe, the transmission rod is fixedly connected with the piston, a gas guide pipe is fixedly and throughly connected to one side of the fixed pipe, a plurality of movable cavities are formed in the lower mold body, a push rod is fixedly connected inside the movable cavity through a fixed spring, a gas guide cavity is formed in the lower mold body, and the gas guide cavity is throughly connected with the gas guide pipe and the movable cavity.

[0008] As a further scheme of the utility model: wherein, the inside fixed connection of fixed pipe is limited block, the limited block is located in the connecting place of air duct with fixed pipe.

[0009] As a further scheme of the utility model: wherein, the bottom side of fixed pipe is equipped with exhaust cavity, exhaust cavity is through with fixed pipe.

[0010] As a further scheme of the utility model: wherein, the upside of upper die body is fixedly connected with fixed injection molding pipe and pressure pipe respectively, injection molding cavity and pressure cavity are set up on the upper die body, and injection molding cavity and pressure cavity are through with injection molding pipe and pressure pipe.

[0011] As a further scheme of the utility model: wherein, one side of pressure pipe is provided with fixed frame, servo motor is installed on fixed frame, the output end of servo motor is fixedly connected with screw rod, the downside of fixed frame is fixedly connected with auxiliary rod, the downside of screw rod is screw-connected with movable plug, and auxiliary rod is inserted in the inside of movable plug.

[0012] As a further scheme of the utility model: wherein, movable plug is slidingly connected in the inside of pressure pipe, spring block is fixedly connected with spring on the bottom side of movable plug, and pressure sensor is installed on the bottom side of movable plug.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] Through the driving of air cylinder, the upper die body is lowered, the upper die body is covered with the lower die body, then the material is injected into the inside of injection molding pipe, the material enters the inside of upper die body and lower die body, when cooling and forming, the upper die body is lifted, the piston is lifted through transmission rod, the gas in the inside of fixed pipe is pushed into air duct when movable plug is lifted, the gas in the inside of air duct enters the inside of air duct, when the inside of air duct is full of gas, the push rod in the inside of movable cavity is lifted, and then the cooling and forming mold in the inside of lower die body can be pushed out, the cooling and forming component in the inside of mold cavity can be conveniently taken out through the setting of transmission rod and push rod, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is overall structure schematic diagram in the utility model;

[0016] Figure 2 It is upper die body structure section view schematic diagram in the utility model;

[0017] Figure 3 It is Figure 2 A structure enlarged schematic diagram in the utility model;

[0018] Figure 4The lower die body structure section view schematic diagram of the utility model;

[0019] The corresponding relationship between the reference signs and the component names in the drawings is as follows:

[0020] 1, portal frame; 101, cylinder; 2, upper die body; 201, fixed frame; 202, injection tube; 203, servo motor; 204, pressure tube; 205, movable plug; 206, auxiliary rod; 207, screw rod; 208, spring block; 209, pressure sensor; 210, injection cavity; 211, pressure cavity; 3, lower die body; 4, transmission rod; 401, fixed tube; 402, piston; 403, air guide tube; 404, air guide cavity; 405, fixed spring; 406, movable cavity; 407, push rod. DETAILED DESCRIPTION

[0021] Please refer to Figures 1 to 4 : a new energy automobile battery cover plate injection mold with quick demolding, including portal frame 1, the lower die body 3 is installed on the surface side of portal frame 1, the cylinder 101 is installed on the upper side of portal frame 1, the output end of cylinder 101 is installed with upper die body 2, one side of upper die body 2 is fixedly connected with transmission rod 4, fixed tube 401 is installed on the surface side of portal frame 1, piston 402 is slidably connected in the inside of fixed tube 401, transmission rod 4 is fixedly connected with piston 402, air guide tube 403 is fixedly and throughly connected on one side of fixed tube 401, a plurality of movable cavities 406 are arranged in the inside of lower die body 3, push rod 407 is fixedly connected in the inside of movable cavity 406 through fixed spring 405, air guide cavity 404 is arranged in the inside of lower die body 3, air guide cavity 404 is through with air guide tube 403 and movable cavity 406.

[0022] When the components inside the mold cavity are cooled and formed, the upper die body 2 moves up, which drives the piston 402 to move up through the transmission rod 4, the gas in the inside of fixed tube 401 is pushed into the air guide tube 403 when the piston 402 moves up, the gas in the inside of air guide tube 403 enters the air guide cavity 404, the push rod 407 in the inside of movable cavity 406 moves up when the air guide cavity 404 is full of gas, which can push out the cooled and formed mold inside the lower die body 3.

[0023] Preferably, the inside of fixed tube 401 is fixedly connected with a limiting block, and the limiting block is located at the connection between air guide tube 403 and fixed tube 401.

[0024] The limiting block limits the upward movement of piston 402, so that the upward movement distance of piston 402 does not exceed the air guide tube 403, avoiding the gas entering the inside of air guide tube 403 when the piston 402 moves down.

[0025] Preferably, an exhaust cavity is arranged on the bottom side of fixed tube 401, and the exhaust cavity is through with fixed tube 401.

[0026] When the upper die body 2 is lowered, the piston 402 will be lowered, the gas in the fixed pipe 401 will be discharged through the exhaust chamber, and the piston 402 will provide suction to the air guide pipe 403 when it is lowered, so that the inside of the movable chamber 406 is in a negative pressure environment, thereby making the push rod 407 tightly fit with the movable chamber 406.

[0027] Preferably, the upper side of the upper die body 2 is fixedly connected with a fixed injection pipe 202 and a pressure pipe 204, respectively, and the upper die body 2 is provided with an injection cavity 210 and a pressure cavity 211, which are in communication with the injection pipe 202 and the pressure pipe 204.

[0028] Preferably, the inside of the injection pipe 202 is injected with material, and the material in the injection pipe 202 flows into the pressure cavity 211 through the injection cavity 210, and then the injection material enters the inside of the upper die body 2 and the lower die body 3, completing the injection step of the upper die body 2 and the lower die body 3.

[0029] Preferably, the pressure pipe 204 is provided with a fixed frame 201, the fixed frame 201 is provided with a servo motor 203, the output end of the servo motor 203 is fixedly connected with a screw rod 207, the lower side of the fixed frame 201 is fixedly connected with an auxiliary rod 206, the lower side of the screw rod 207 is screw-connected with a movable plug 205, and the auxiliary rod 206 is inserted into the inside of the movable plug 205.

[0030] Preferably, when the injection pipe 202 completes the injection, the servo motor 203 can drive the screw rod 207 to rotate, the screw rod 207 rotates to make the movable plug 205 in the pressure pipe 204 move downward, the movable plug 205 moves downward to provide pressure to the pressure cavity 211, and the pressure in the pressure cavity 211 is transmitted to the inside of the upper die body 2 and the lower die body 3, so that the material in the upper die body 2 and the lower die body 3 does not produce bubbles or shaking.

[0031] Preferably, the movable plug 205 is slidingly connected in the inside of the pressure pipe 204, the bottom side of the movable plug 205 is fixedly connected with a spring block 208 through a spring, and the bottom side of the movable plug 205 is provided with a pressure sensor 209.

[0032] Preferably, the gantry 1 is provided with a display screen, the display screen is electrically connected with the pressure sensor 209, when the movable plug 205 exerts pressure on the inside of the upper die body 2 and the lower die body 3, the reaction force generated by the movable plug 205 makes the spring block 208 move upward, and then presses the pressure sensor 209, and the specific value of the pressure exerted by the movable plug 205 on the inside of the upper die body 2 and the lower die body 3 can be known through the pressure value of the pressure sensor 209.

[0033] Working principle: through the cylinder 101 drive upper die body 2 down, make upper die body 2 and lower die body 3 cover, then inject material to the inside of injection pipe 202, the inside of injection pipe 202 inject material, the material in the inside of injection pipe 202 flows into pressure cavity 211 through injection cavity 210, then make injection material enter to the inside of upper die body 2 and lower die body 3, complete injection and mold upper die body 2 and lower die body 3 injection step, wait for cooling forming;When upper die body 2 down, piston 402 will down, will be the gas in the inside of fixed pipe 401 through exhaust cavity and discharge, and piston 402 down will provide suction to guide gas pipe 403, make the inside of movable cavity 406 be in negative pressure environment, thereby make push rod 407 and movable cavity 406 closely adhere;Upper die body 2 up, will drive piston 402 up through transmission rod 4, piston 402 up will push the gas in the inside of fixed pipe 401 into guide gas pipe 403, the gas in the inside of guide gas pipe 403 will enter into guide cavity 404, guide cavity 404 inside full of gas will make the inside of movable cavity 406 push rod 407 up, in turn can push out the cooling forming mould in the inside of lower die body 3.

[0034] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A quick-demolding injection mold for a new energy vehicle battery cover, comprising a gantry (1), characterized in that: A lower mold body (3) is installed on the surface side of the gantry (1), a cylinder (101) is installed on the upper side of the gantry (1), an upper mold body (2) is installed on the output end of the cylinder (101), a transmission rod (4) is fixedly connected to one side of the upper mold body (2), a fixed tube (401) is installed on the surface side of the gantry (1), a piston (402) is slidably connected inside the fixed tube (401), and the transmission rod (4) and the piston (402) are fixedly connected. The fixed tube (401) is fixedly connected to one side of the fixed tube (401) and is connected to an air guide tube (403). A plurality of movable cavities (406) are provided inside the lower mold body (3). A push rod (407) is fixedly connected to the inside of the movable cavity (406) via a fixed spring (405). An air guide cavity (404) is provided inside the lower mold body (3). The air guide cavity (404) is connected to the air guide tube (403) and the movable cavity (406).

2. The injection mold for a new energy vehicle battery cover with rapid demoulding according to claim 1, characterized in that: A limiting block is fixedly connected inside the fixed tube (401), and the limiting block is located at the connection between the air guide tube (403) and the fixed tube (401).

3. The injection mold for a new energy vehicle battery cover with rapid demoulding according to claim 1, characterized in that: An exhaust cavity is provided on the bottom side of the fixed tube (401), and the exhaust cavity is in communication with the fixed tube (401).

4. The injection mold for a new energy vehicle battery cover with rapid demoulding according to claim 1, characterized in that: The upper side of the upper mold body (2) is fixedly connected to a fixed injection tube (202) and a pressure tube (204), and an injection cavity (210) and a pressure cavity (211) are provided on the upper mold body (2), and the injection cavity (210) and the pressure cavity (211) are connected to the injection tube (202) and the pressure tube (204).

5. The injection mold for a new energy vehicle battery cover with rapid demoulding according to claim 4, characterized in that: A fixing frame (201) is provided on one side of the pressure tube (204), a servo motor (203) is installed on the fixing frame (201), an output end of the servo motor (203) is fixedly connected to a screw rod (207), an auxiliary rod (206) is fixedly connected to the lower side of the fixing frame (201), a movable plug (205) is spirally connected to the lower side of the screw rod (207), and the auxiliary rod (206) is inserted into the interior of the movable plug (205).

6. The quick-demolding injection mold for a new energy vehicle battery cover according to claim 5, characterized in that: The movable plug (205) is slidably connected to the inside of the pressure tube (204), the bottom side of the movable plug (205) is fixedly connected to a spring block (208) via a spring, and a pressure sensor (209) is installed on the bottom side of the movable plug (205).

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