Fluorine-lined ball valve ball body injection molding device and injection molding method thereof

Abstract

The invention relates to the technical field of fluorine-lined ball valve machining, and discloses a fluorine-lined ball valve ball injection molding device and an injection molding method thereof.The fluorine-lined ball valve ball injection molding device comprises a clinging mechanism, the clinging mechanism further comprises a body, the bottom of the body is fixedly connected with a base, and the side, away from the base, of the body is fixedly connected with a mounting frame; after injection molding is completed, cooling liquid in a first fixing pipe and a telescopic pipe can cool the outer wall of the mold, so that the cooling speed of an injection molding product is increased, the injection molding product is prevented from being adsorbed to the inner wall of the mold, after the mold is cooled, a driving motor is started again, and the driving motor drives a bidirectional threaded rod to rotate; the two-way threaded rod rotates to drive the multiple dies to be away from each other, extrusion force is applied to the telescopic pipe when the multiple dies are away from each other, after the telescopic pipe is extruded, cooling liquid in the telescopic pipe is forced to enter the air outlet pipe, and then the liquid entering the air outlet pipe enters the water conveying pipe through the circular pipe. And the liquid entering the water conveying pipe can flow into the cooling tank.

Description

Technical Field

[0001] The invention relates to the technical field of fluorine-lined ball valve processing, in particular to a fluorine-lined ball valve ball injection molding device and an injection molding method thereof. Background Art

[0002] The fluorine-lined ball valve uses a sphere with a circular through hole as the opening and closing part. The ball rotates around the center line of the valve body with the valve stem to open and close the valve. According to the driving mode, the fluorine-lined ball valve includes manual fluorine-lined ball valve, worm gear fluorine-lined ball valve, pneumatic fluorine-lined ball valve, electric fluorine-lined ball valve, etc.

[0003] After the injection molding device completes the injection molding, the product after injection molding is often in a high temperature state and has not yet completely cooled. The product in the high temperature state is usually relatively soft, and the adhesion is large, making it difficult to remove the product from the mold. Forced removal will cause the product after injection molding to deform. In response to the above problems, the following solutions are proposed. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a fluorine-lined ball valve ball injection molding device, comprising a close-fitting mechanism, the close-fitting mechanism also includes a main body, the bottom of the main body is fixedly connected to a base, and the side of the main body away from the base is fixedly connected to a mounting frame;

[0005] The sealing mechanism is provided with a fixing plate in the mounting frame, the side wall of the fixing plate is fixedly connected to the piston rod, and the side of the piston rod away from the fixing plate is fixedly connected to the piston block;

[0006] The cooling mechanism has a plurality of fixed tubes fixedly connected to the inner wall of the mounting frame, a telescopic tube fixedly connected to the side of the fixed tube away from the mounting frame, and an air outlet pipe fixedly connected to the outer wall of the fixed tube.

[0007] Preferably, the close fitting mechanism also includes a driving motor fixedly connected to the side wall of the mounting frame, a bidirectional threaded rod is rotatably connected to the inner wall of the mounting frame, one end of the bidirectional threaded rod close to the driving motor extends outside the mounting frame and is fixedly connected to the output shaft of the driving motor, a plurality of moving blocks are threadedly sleeved on the outer wall of the bidirectional threaded rod, the top of the moving block on the left is fixedly connected to the fixed plate, molds are respectively fixedly connected to the side walls of the plurality of moving blocks, the driving motor is started, the driving motor drives the bidirectional threaded rod to rotate, and after the bidirectional threaded rod rotates, it drives the plurality of moving blocks to approach each other, and the plurality of molds follow the plurality of moving blocks to move relative to each other, thereby forming a sealed space in the plurality of molds.

[0008] Preferably, the close fitting mechanism also includes sliding blocks fixedly connected to the side walls of the several molds respectively, and a limiting rod is fixedly connected to the inner wall of the mounting frame, the limiting rod passes through the several sliding blocks and is slidably connected to the several sliding blocks. A sealing groove is opened on the side wall of the left mold, and a sealing block is fixedly connected to the outer wall of the right mold. The shape and size of the sealing block are adapted to the shape and size of the sealing groove. After the several molds are close to each other, the sealing block enters the sealing groove, so that a sealed space can be formed in the mold. When the several moving blocks move relative to each other, under the limiting action of the limiting rod, the two-way threaded rod can limit the moving block and the mold when driving them close to each other, thereby avoiding the moving block and the mold from shaking when moving. Providing a more sealed space for injection molding can effectively prevent the injection molding material from overflowing the mold or the mold joint, thereby reducing defects on the product surface or the generation of waste products.

[0009] Preferably, the sealing mechanism also includes a piston cylinder fixedly connected to the top of the right moving block, the inner wall of the piston cylinder is slidably connected to the piston block, the bottom of the piston cylinder is fixedly connected to an air supply pipe, the bottom of the right mold is fixedly connected to a sealing airbag, and the side wall of the sealing airbag is fixedly connected to the air supply pipe. The movement of several moving blocks when approaching each other is used to provide power for the movement of the piston rod and the piston block. When the several moving blocks are close to each other, the piston block can be driven to enter the piston cylinder. The piston block entering the piston cylinder slides inside the piston cylinder, so that the gas in the piston cylinder is pushed into the air supply pipe by the piston block, and the gas entering the air supply pipe enters the sealing airbag, thereby forcing the sealing airbag to expand. After the sealing airbag expands, it can seal the bottom of several molds, which can further improve the sealing inside the mold, thereby preventing the injection molding material from flowing out from the bottom of the mold during injection molding. After the sealing airbag expands, it can effectively seal the bottom of the mold. This seal can prevent the injection molding material from flowing out from the bottom of the mold, thereby reducing the scrap rate of the device during injection molding.

[0010] Preferably, the cooling mechanism also includes a circular tube fixedly connected to an end of the air outlet pipe away from the fixed tube, a push plate is slidably connected to the inner wall of the circular tube, and a telescopic spring is fixedly connected to the side of the push plate close to the air outlet pipe, and one end of the telescopic spring away from the push plate is fixedly connected to the side wall of the circular tube. After the injection molding is completed, the coolant in the fixed tube and the telescopic tube can cool the outer wall of the mold, thereby accelerating the cooling speed of the injection molded product and preventing the injection molded product from being adsorbed on the inner wall of the mold. After the cooling of the mold is completed, the drive motor is started again, and the drive motor drives the bidirectional threaded rod to rotate. After the rotation of the bidirectional threaded rod, it drives several molds away from each other. When the several molds are away from each other, an extrusion force is applied to the telescopic tube. After the telescopic tube is squeezed, the coolant in the telescopic tube is forced to enter the air outlet pipe, and the liquid entering the air outlet pipe enters the circular tube again.

[0011] Preferably, the cooling mechanism also includes a fixed tube 2 fixedly connected to an end of the circular tube away from the air outlet pipe, and an elastic plastic rod is fixedly connected to the side of the push plate away from the telescopic spring, and the end of the elastic plastic rod away from the push plate extends into the fixed tube 2 and is slidably connected to the fixed tube 2. When the liquid in the cooling tank is filled, the coolant no longer enters the water pipe, thereby forcing the coolant to push the push plate to slide in the circular tube, causing the telescopic spring to be subjected to an extrusion force. While sliding, the push plate drives the elastic plastic rod to slide in the fixed tube 2, thereby causing the elastic plastic rod to contact the injection molded product on the outer wall of the circular baffle rod. After being pushed by the elastic plastic rod, the injection molded product falls off the circular baffle rod, thereby completing the automatic demolding of the injection molded product, so that the device can complete the production of the product faster, thereby improving the production efficiency and output of the device.

[0012] Preferably, the cooling mechanism also includes a water pipe fixedly connected to the outer wall of the circular tube, a feed pipe is fixedly connected to the top of the mounting frame, a circular baffle rod is fixedly connected to the bottom end of the feed pipe, a cooling groove is opened in the circular baffle rod, the cooling groove is communicated with the water pipe, an annular baffle plate is fixedly connected to the top of the main body, a discharge pipe is fixedly connected to the inner wall of the base, the liquid entering the circular tube enters the water pipe again, the liquid entering the water pipe will flow into the cooling groove, and then the liquid flowing into the cooling groove will cool down the contact part of the injection molded product with the circular baffle rod, so as to avoid the injection molded product being adsorbed on the outer wall of the circular baffle rod, thereby ensuring that the injection molded product will not be deformed during demolding, thereby ensuring the integrity of the injection molded product after demolding.

[0013] A fluorine-lined ball valve ball injection molding device and an injection molding method thereof, comprising the following steps:

[0014] S1: Start the driving motor, the driving motor drives the bidirectional threaded rod to rotate, the bidirectional threaded rod rotates and drives a plurality of moving blocks to approach each other, a plurality of molds follow the plurality of moving blocks to move relative to each other, so that a sealed space is formed in the plurality of molds;

[0015] S2: When several moving blocks approach each other, they can drive the piston block into the piston cylinder and slide inside the piston cylinder, thereby pushing the gas in the piston cylinder into the gas pipe. The gas entering the gas pipe then enters the sealing airbag to expand the sealing airbag;

[0016] S3: When the molds are away from each other, a squeezing force is applied to the telescopic tube. After the telescopic tube is squeezed, the coolant in the telescopic tube is forced to enter the outlet pipe. The liquid entering the outlet pipe flows into the cooling tank through the circular pipe and the water pipe.

[0017] S4: When the liquid in the cooling tank is filled, the coolant no longer enters the water pipe, thereby forcing the coolant to push the push plate to slide in the circular tube, so that the push plate drives the elastic plastic rod to slide in the fixed tube 2, and then the elastic plastic rod contacts the injection molded product on the outer wall of the circular baffle rod.

[0018] The present invention has the following beneficial effects:

[0019] 1. The present invention utilizes the extrusion force when a plurality of molds are moved away from each other to transport the coolant to the cooling tank to accelerate the cooling speed of the injection molded product and prevent the injection molded product from being adsorbed on the outer wall of the circular baffle. After the injection molding is completed, the coolant in the fixed tube and the telescopic tube can cool the outer wall of the mold, thereby accelerating the cooling speed of the injection molded product and preventing the injection molded product from being adsorbed on the inner wall of the mold. After the mold is cooled, the drive motor is started again, and the drive motor drives the bidirectional threaded rod to rotate. After the bidirectional threaded rod rotates, it drives the plurality of molds to move away from each other. When they are away from each other, an extrusion force is applied to the expansion tube. After the expansion tube is squeezed, the coolant in the expansion tube is forced to enter the air outlet pipe, and the liquid entering the air outlet pipe enters the circular tube, and the liquid entering the circular tube enters the water pipe. The liquid entering the water pipe will flow into the cooling tank, and then the liquid flowing into the cooling tank will cool down the contact part between the injection molded product and the circular baffle rod, so that the injection molded product can be prevented from being adsorbed on the outer wall of the circular baffle rod, thereby ensuring that the injection molded product will not be deformed during demoulding, and ensuring the integrity of the injection molded product after demoulding.

[0020] 2. The present invention utilizes the characteristics that the coolant in the above-mentioned cooling tank is filled with coolant and the coolant will not continue to enter the cooling tank. When the liquid in the cooling tank is filled with coolant, the coolant no longer enters the water pipe, thereby forcing the coolant to push the push plate to slide in the circular tube, so that the telescopic spring is subjected to an extrusion force. While the push plate slides, it drives the elastic plastic rod to slide in the fixed tube 2, thereby making the elastic plastic rod contact with the injection molded product on the outer wall of the circular baffle rod. After the injection molded product is pushed by the elastic plastic rod, it falls off the circular baffle rod, thereby completing the automatic demolding of the injection molded product, so that the device can complete the production of the product faster, thereby improving the production efficiency and output of the device.

[0021] 3. The present invention starts a driving motor, and the driving motor drives the bidirectional threaded rod to rotate. After the bidirectional threaded rod rotates, it drives a plurality of moving blocks to approach each other, and a plurality of molds follow the plurality of moving blocks to move toward each other. After the plurality of molds approach each other, the sealing block enters the sealing groove, so that a sealed space can be formed in the mold. When the plurality of moving blocks move toward each other, under the limiting action of the limiting rod, when the bidirectional threaded rod drives the moving blocks and the molds to approach each other, the limiting rod can limit them, thereby preventing the moving blocks and the molds from shaking when moving, and providing a more sealed space for injection molding, which can effectively prevent the injection molding material from overflowing the mold or the mold joint, thereby reducing the defects on the product surface or the generation of waste products.

[0022] 4. The present invention utilizes the movement of several moving blocks when they are close to each other to provide power for the movement of the piston rod and the piston block. When the several moving blocks are close to each other, they can drive the piston block to enter the piston cylinder. The piston block entering the piston cylinder slides inside the piston cylinder, so that the gas in the piston cylinder is pushed into the air pipe by the piston block. The gas entering the air pipe then enters the sealing airbag, thereby forcing the sealing airbag to expand. After the sealing airbag expands, it can seal the bottom of several molds, which can further improve the sealing inside the mold, thereby preventing the injection molding material from flowing out from the bottom of the mold during injection molding. After the sealing airbag expands, it can effectively seal the bottom of the mold. This seal can prevent the injection molding material from flowing out from the bottom of the mold, thereby reducing the scrap rate of the device during injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0024] Figure 1 It is an exploded schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 3 It is a schematic diagram of the clinging mechanism of the present invention;

[0027] Figure 4 It is a partial structural schematic diagram of the clinging mechanism of the present invention;

[0028] Figure 5 It is a schematic diagram of the sealing mechanism of the present invention;

[0029] Figure 6 It is a schematic diagram of the cooling mechanism of the present invention;

[0030] Figure 7 For the present invention Figure 6 A is an enlarged schematic diagram;

[0031] Figure 8 It is a schematic diagram of the working process of the present invention.

[0032] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0033] In the figure: 1. close-fitting mechanism; 101. main body; 102. base; 103. mounting frame; 104. driving motor; 105. bidirectional threaded rod; 106. moving block; 107. mold; 108. sliding block; 109. limiting rod; 110. sealing groove; 111. sealing block; 2. sealing mechanism; 201. fixed plate; 202. piston rod; 203. piston block; 204. piston cylinder; 205. air pipe; 206. sealing airbag; 3. cooling mechanism; 301. fixed pipe 1; 302. telescopic pipe; 303. air outlet pipe; 304. circular pipe; 305. push plate; 306. telescopic spring; 307. fixed pipe 2; 308. elastic plastic rod; 309. water pipe; 310. feeding pipe; 311. circular baffle rod; 312. cooling trough; 313. annular baffle; 314. discharge pipe. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] For example, see Figure 1 - Figure 3 The present invention is a fluorine-lined ball valve ball injection molding device, comprising a close-fitting mechanism 1, the close-fitting mechanism 1 also includes a main body 101, the bottom of the main body 101 is fixedly connected to a base 102, and the side of the main body 101 away from the base 102 is fixedly connected to a mounting frame 103;

[0036] Sealing mechanism 2, a fixing plate 201 is arranged in the mounting frame 103, a piston rod 202 is fixedly connected to the side wall of the fixing plate 201, and a piston block 203 is fixedly connected to the side of the piston rod 202 away from the fixing plate 201;

[0037] The cooling mechanism 3 has a plurality of fixed tubes 301 fixedly connected to the inner wall of the mounting frame 103 , a telescopic tube 302 fixedly connected to the side of the fixed tube 301 away from the mounting frame 103 , and an air outlet pipe 303 fixedly connected to the outer wall of the fixed tube 301 .

[0038] The close fitting mechanism 1 also includes a driving motor 104 fixedly connected to the side wall of the mounting frame 103, and a bidirectional threaded rod 105 is rotatably connected to the inner wall of the mounting frame 103. One end of the bidirectional threaded rod 105 close to the driving motor 104 extends to the outside of the mounting frame 103 and is fixedly connected to the output shaft of the driving motor 104. A plurality of moving blocks 106 are threadedly sleeved on the outer wall of the bidirectional threaded rod 105. The top of the moving block 106 on the left is fixedly connected to the fixed plate 201. The side walls of the plurality of moving blocks 106 are respectively fixedly connected with molds 107. The driving motor 104 is started, and the driving motor 104 drives the bidirectional threaded rod 105 to rotate. After the bidirectional threaded rod 105 rotates, it drives the plurality of moving blocks 106 to approach each other, and the plurality of molds 107 follow the plurality of moving blocks 106 to move relative to each other, thereby forming a sealed space in the plurality of molds 107.

[0039] The close fitting mechanism 1 also includes sliding blocks 108 respectively fixedly connected to the side walls of the plurality of molds 107, and a limiting rod 109 is fixedly connected to the inner wall of the mounting frame 103. The limiting rod 109 penetrates through the plurality of sliding blocks 108 and is slidably connected to the plurality of sliding blocks 108. A sealing groove 110 is provided on the side wall of the left mold 107, and a sealing block 111 is fixedly connected to the outer wall of the right mold 107. The shape and size of the sealing block 111 are adapted to the shape and size of the sealing groove 110. When the plurality of molds 107 are close to each other, the sealing block 111 is 1 enters the sealing groove 110, so that a sealed space can be formed in the mold 107. When the plurality of moving blocks 106 move relative to each other, under the limiting effect of the limiting rod 109, when the bidirectional threaded rod 105 drives the moving block 106 and the mold 107 to approach each other, the limiting rod 109 can limit them, thereby preventing the moving block 106 and the mold 107 from shaking during movement, providing a more sealed space for injection molding, and effectively preventing the injection molding material from overflowing the mold or the mold joint, thereby reducing the defects on the product surface or the generation of waste products.

[0040] For example 2, please refer to Figure 4 - Figure 8The present invention is a fluorine-lined ball valve ball injection molding device. On the basis of Example 1, the sealing mechanism 2 also includes a piston cylinder 204 fixedly connected to the top of the right moving block 106, the inner wall of the piston cylinder 204 is slidably connected to the piston block 203, the bottom of the piston cylinder 204 is fixedly connected to the air supply pipe 205, the bottom of the right mold 107 is fixedly connected to the sealing airbag 206, the side wall of the sealing airbag 206 is fixedly connected to the air supply pipe 205, and the movement of several moving blocks 106 when approaching each other is used to provide power for the movement of the piston rod 202 and the piston block 203. When the several moving blocks 106 are close to each other, the piston block 203 can be driven to enter the piston cylinder 204, and the piston block 203 can be driven to enter the piston cylinder 204. The piston block 203 inserted into the piston cylinder 204 slides inside the piston cylinder 204, so that the gas in the piston cylinder 204 is pushed into the air pipe 205 by the piston block 203. The gas entering the air pipe 205 then enters the sealing airbag 206, thereby forcing the sealing airbag 206 to expand. After the sealing airbag 206 expands, it can seal the bottom of several molds 107, which can further improve the sealing performance in the mold 107, thereby preventing the injection molding material from flowing out from the bottom of the mold 107 during injection molding. After the sealing airbag expands, it can effectively seal the bottom of the mold. This seal can prevent the injection molding material from flowing out from the bottom of the mold, thereby reducing the scrap rate of the device during injection molding.

[0041] The cooling mechanism 3 also includes a circular tube 304 fixedly connected to the end of the air outlet pipe 303 away from the fixed tube 1 301, and a push plate 305 is slidably connected to the inner wall of the circular tube 304. A telescopic spring 306 is fixedly connected to the side of the push plate 305 close to the air outlet pipe 303, and the end of the telescopic spring 306 away from the push plate 305 is fixedly connected to the side wall of the circular tube 304. After the injection molding is completed, the coolant in the fixed tube 1 301 and the telescopic tube 302 can cool the outer wall of the mold 107, thereby accelerating the cooling speed of the injection molded product. , to prevent the injection molded product from being adsorbed on the inner wall of the mold 107. After the mold 107 is cooled down, the drive motor 104 is started again. The drive motor 104 drives the bidirectional threaded rod 105 to rotate. After the bidirectional threaded rod 105 rotates, it drives the molds 107 to move away from each other. When the molds 107 move away from each other, an extrusion force is applied to the telescopic tube 302. After the telescopic tube 302 is squeezed, the coolant in the telescopic tube 302 is forced to enter the air outlet pipe 303, and the liquid entering the air outlet pipe 303 enters the circular tube 304.

[0042] The cooling mechanism 3 also includes a fixed tube 2 307 fixedly connected to the end of the circular tube 304 away from the air outlet pipe 303, and an elastic plastic rod 308 is fixedly connected to the side of the push plate 305 away from the telescopic spring 306, and the elastic plastic rod 308 extends into the fixed tube 2 307 at one end away from the push plate 305 and is slidably connected to the fixed tube 2 307. When the liquid in the cooling groove 312 is filled, the coolant no longer enters the water pipe 309, thereby forcing the coolant to push the push plate 305 to slide in the circular tube 304, so that the telescopic spring 306 is subjected to an extrusion force. While sliding, the push plate 305 drives the elastic plastic rod 308 to slide in the fixed tube 2 307, thereby causing the elastic plastic rod 308 to contact the injection molded product on the outer wall of the circular baffle 311. After being pushed by the elastic plastic rod 308, the injection molded product falls off the circular baffle 311, thereby completing the automatic demolding of the injection molded product, so that the device can complete the production of the product faster, thereby improving the production efficiency and output of the device.

[0043] The cooling mechanism 3 also includes a water pipe 309 fixedly connected to the outer wall of the circular tube 304, a feed pipe 310 is fixedly connected to the top of the mounting frame 103, a circular baffle 311 is fixedly connected to the bottom end of the feed pipe 310, a cooling groove 312 is opened in the circular baffle 311, the cooling groove 312 is communicated with the water pipe 309, an annular baffle 313 is fixedly connected to the top of the main body 101, and a discharge pipe 314 is fixedly connected to the inner wall of the base 102. The liquid entering the circular tube 304 enters the water pipe 309 again, and the liquid entering the water pipe 309 will flow into the cooling groove 312, and then the liquid flowing into the cooling groove 312 will cool down the contact part of the injection molded product with the circular baffle 311, so as to avoid the injection molded product being adsorbed on the outer wall of the circular baffle 311, thereby ensuring that the injection molded product will not be deformed during demolding, thereby ensuring the integrity of the injection molded product after demolding.

[0044] The injection molding method of the injection molding device comprises the following steps:

[0045] S1: starting the driving motor 104, the driving motor 104 drives the bidirectional threaded rod 105 to rotate, and the bidirectional threaded rod 105 drives the plurality of moving blocks 106 to move closer to each other after rotating, and the plurality of molds 107 follow the plurality of moving blocks 106 to move relative to each other, so that a sealed space is formed in the plurality of molds 107;

[0046] S2: When the plurality of moving blocks 106 are close to each other, the piston block 203 can be driven to enter the piston cylinder 204 and slide inside the piston cylinder 204, thereby pushing the gas in the piston cylinder 204 into the gas pipe 205. The gas entering the gas pipe 205 then enters the sealing airbag 206 to expand the sealing airbag 206.

[0047] S3: When the plurality of molds 107 are away from each other, an extrusion force is applied to the telescopic tube 302. After the telescopic tube 302 is squeezed, the coolant in the telescopic tube 302 is forced to enter the air outlet pipe 303. The liquid entering the air outlet pipe 303 flows into the cooling tank 312 through the circular tube 304 and the water pipe 309.

[0048] S4: When the liquid in the cooling groove 312 is filled, the coolant no longer enters the water pipe 309, thereby forcing the coolant to push the push plate 305 to slide in the circular tube 304, so that the push plate 305 drives the elastic plastic rod 308 to slide in the fixed tube 307, and then the elastic plastic rod 308 contacts the injection molded product on the outer wall of the circular baffle rod 311.

[0049] A specific application of this embodiment is:

[0050] When it is necessary to perform injection molding on the fluorine-lined ball valve ball, first start the drive motor 104, the drive motor 104 drives the bidirectional threaded rod 105 to rotate, and after the bidirectional threaded rod 105 rotates, it drives a plurality of moving blocks 106 to approach each other, and a plurality of molds 107 follow the plurality of moving blocks 106 to move relative to each other, and after the plurality of molds 107 approach each other, the sealing block 111 enters the sealing groove 110, so that a sealed space can be formed in the mold 107, and when the plurality of moving blocks 106 move relative to each other, under the limiting action of the limiting rod 109, when the bidirectional threaded rod 105 drives the moving block 106 and the mold 107 to approach each other, the limiting rod 109 can limit them, so as to prevent the moving block 106 and the mold 107 from shaking when moving. In this case, when several moving blocks 106 are close to each other, they can drive the piston block 203 to enter the piston cylinder 204. The piston block 203 entering the piston cylinder 204 slides inside the piston cylinder 204, so that the gas in the piston cylinder 204 is pushed into the gas pipe 205 by the piston block 203. The gas entering the gas pipe 205 then enters the sealing airbag 206, thereby forcing the sealing airbag 206 to expand. After the sealing airbag 206 expands, it can seal the bottom of several molds 107, which can further improve the sealing inside the mold 107, thereby preventing the injection molding material from flowing out from the bottom of the mold 107 during injection molding. After the mold 107 is sealed, the injection molding material is filled into the mold 107 through the feeding pipe 310 and the circular blocking rod 311. After the mold 107 is cooled, the drive motor 104 is started again, and the drive motor 104 drives the bidirectional threaded rod 105 to rotate. After the bidirectional threaded rod 105 rotates, the molds 107 are driven to move away from each other. When the molds 107 move away from each other, an extrusion force is applied to the telescopic tube 302. After the telescopic tube 302 is squeezed, the coolant in the telescopic tube 302 is forced to enter the air outlet pipe 303 and then enter the air outlet pipe 303. The liquid in the circular tube 304 then enters the water pipe 309, and the liquid in the water pipe 309 flows into the cooling groove 312, so that the liquid flowing into the cooling groove 312 cools the contact part of the injection molded product and the circular baffle 311, so as to avoid the injection molded product being adsorbed on the outer wall of the circular baffle 311, thereby ensuring that the injection molded product will not be deformed during demoulding, and ensuring the integrity of the injection molded product after demoulding. When the liquid in the cooling groove 312 is filled, the coolant no longer enters the water pipe 309, thereby forcing the coolant to push the push plate 305 to slide in the circular tube 304, so that the telescopic spring 306 is subjected to an extrusion force, and while the push plate 305 slides,The elastic plastic rod 308 is driven to slide in the second fixed tube 307, so that the elastic plastic rod 308 contacts the injection molded product on the outer wall of the circular baffle 311. After being pushed by the elastic plastic rod 308, the injection molded product falls off the circular baffle 311 into the annular baffle 313 and the discharge pipe 314, which is convenient for the staff to collect the injection molded products.

[0051] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A fluorine-lined ball valve ball injection molding device, comprising a close fitting mechanism (1), the close fitting mechanism (1) further comprising a main body (101), the bottom of the main body (101) being fixedly connected to a base (102), and a mounting frame (103) being fixedly connected to a side of the main body (101) away from the base (102), characterized in that: Also includes: A sealing mechanism (2), wherein a fixing plate (201) is arranged in the mounting frame (103), a piston rod (202) is fixedly connected to a side wall of the fixing plate (201), and a piston block (203) is fixedly connected to a side of the piston rod (202) away from the fixing plate (201); A cooling mechanism (3), wherein a plurality of fixed tubes (301) are fixedly connected to the inner wall of the mounting frame (103), a telescopic tube (302) is fixedly connected to the side of the fixed tube (301) away from the mounting frame (103), and an air outlet pipe (303) is fixedly connected to the outer wall of the fixed tube (301).

2. A fluorine-lined ball valve ball injection molding device according to claim 1, characterized in that: The close fitting mechanism (1) further comprises a driving motor (104) fixedly connected to the side wall of the mounting frame (103); a bidirectional threaded rod (105) is rotatably connected to the inner wall of the mounting frame (103); one end of the bidirectional threaded rod (105) close to the driving motor (104) extends outside the mounting frame (103) and is fixedly connected to the output shaft of the driving motor (104); a plurality of moving blocks (106) are threadedly sleeved on the outer wall of the bidirectional threaded rod (105); the top of the moving block (106) on the left side is fixedly connected to the fixed plate (201); and molds (107) are respectively fixedly connected to the side walls of the plurality of moving blocks (106).

3. A fluorine-lined ball valve ball injection molding device according to claim 2, characterized in that: The close fitting mechanism (1) further comprises sliding blocks (108) respectively fixedly connected to the side walls of the plurality of moulds (107); a limiting rod (109) is fixedly connected to the inner wall of the mounting frame (103); the limiting rod (109) passes through the plurality of sliding blocks (108) and is slidably connected to the plurality of sliding blocks (108); a sealing groove (110) is provided on the side wall of the mould (107) on the left side; a sealing block (111) is fixedly connected to the outer wall of the mould (107) on the right side; the shape and size of the sealing block (111) are adapted to the shape and size of the sealing groove (110).

4. A fluorine-lined ball valve ball injection molding device according to claim 3, characterized in that: The sealing mechanism (2) further comprises a piston cylinder (204) fixedly connected to the top of the right moving block (106), the inner wall of the piston cylinder (204) being slidably connected to the piston block (203), the bottom of the piston cylinder (204) being fixedly connected to an air supply pipe (205), the bottom of the right mold (107) being fixedly connected to a sealing air bag (206), and the side wall of the sealing air bag (206) being fixedly connected to the air supply pipe (205).

5. A fluorine-lined ball valve ball injection molding device according to claim 4, characterized in that: The cooling mechanism (3) also includes a circular tube (304) fixedly connected to one end of the air outlet pipe (303) away from the fixed tube (301); a push plate (305) is slidably connected to the inner wall of the circular tube (304); a telescopic spring (306) is fixedly connected to the side of the push plate (305) close to the air outlet pipe (303); and an end of the telescopic spring (306) away from the push plate (305) is fixedly connected to the side wall of the circular tube (304).

6. A fluorine-lined ball valve ball injection molding device according to claim 5, characterized in that: The cooling mechanism (3) also includes a second fixed tube (307) fixedly connected to one end of the circular tube (304) away from the air outlet pipe (303); an elastic plastic rod (308) is fixedly connected to one side of the push plate (305) away from the telescopic spring (306); and one end of the elastic plastic rod (308) away from the push plate (305) extends into the second fixed tube (307) and is slidably connected to the second fixed tube (307).

7. A fluorine-lined ball valve ball injection molding device according to claim 6, characterized in that: The cooling mechanism (3) also includes a water pipe (309) fixedly connected to the outer wall of the circular tube (304); a feed pipe (310) is fixedly connected to the top of the mounting frame (103); a circular baffle (311) is fixedly connected to the bottom end of the feed pipe (310); a cooling groove (312) is provided in the circular baffle (311); the cooling groove (312) is communicated with the water pipe (309); an annular baffle (313) is fixedly connected to the top of the main body (101); and a discharge pipe (314) is fixedly connected to the inner wall of the base (102).

8. The method for injection molding of a fluorine-lined ball valve injection molding device according to claim 7, characterized in that: The steps include: S1: starting the driving motor (104), the driving motor (104) drives the bidirectional threaded rod (105) to rotate, the bidirectional threaded rod (105) drives a plurality of moving blocks (106) to move closer to each other, and a plurality of molds (107) follow the plurality of moving blocks (106) to move relative to each other, so that a sealed space is formed in the plurality of molds (107); S2: When the plurality of moving blocks (106) are close to each other, the piston block (203) can be driven to enter the piston cylinder (204) and slide inside the piston cylinder (204), thereby pushing the gas in the piston cylinder (204) into the gas delivery pipe (205). The gas entering the gas delivery pipe (205) then enters the sealing airbag (206) to expand the sealing airbag (206); S3: When the plurality of molds (107) are moved away from each other, an extrusion force is applied to the telescopic tube (302). After the telescopic tube (302) is squeezed, the cooling liquid in the telescopic tube (302) is forced to enter the air outlet pipe (303). The liquid entering the air outlet pipe (303) flows into the cooling tank (312) through the circular tube (304) and the water delivery pipe (309); S4: When the liquid in the cooling groove (312) is filled, the coolant no longer enters the water pipe (309), thereby forcing the coolant to push the push plate (305) to slide in the circular tube (304), so that the push plate (305) drives the elastic plastic rod (308) to slide in the fixed tube (307), and then the elastic plastic rod (308) contacts the injection molded product on the outer wall of the circular baffle rod (311).

Images