CN212194088U - Synchronous thread removing and cooling structure - Google Patents

Abstract

The utility model belongs to the technical field of mold equipment, and discloses a synchronous dethreading and cooling structure, comprising a lower mold seat and an upper mold seat, a core fixing seat is arranged between the lower mold seat and the upper mold seat, and the mold seat is The core fixing base is provided with four unthreaded cores evenly distributed, the top end of the unthreaded cores passes through the upper die base, the right end of the lower die base is provided with two water inlets side by side, and the left end of the water inlet is provided with There is a water inlet pipe, the left end of the water inlet pipe is provided with a first cooling pipe, the first cooling pipe extends to the inside of the right unthreaded core, the middle position of the first cooling pipe is provided with a dividing plate, the The left end of the cooling pipe is provided with a communication pipe. By setting the cooling system inside the unthreaded core, the cooling effect of the device is enhanced, the injection molding efficiency of the mold is effectively improved, and the service life of the unthreaded core is extended at the same time.

Description

A Synchronized Dethreading and Cooling Structure

technical field

The utility model belongs to the technical field of mold equipment, in particular to a synchronous dethreading and cooling structure.

Background technique

A simultaneous dethreading and cooling structure refers to a dethreading die cooled by a cooling system.

Molds, various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In a nutshell, a mold is a tool used to make a shaped item, this tool is made up of various parts, and different molds are made up of different parts. It mainly realizes the processing of the shape of the article by changing the physical state of the formed material. Known as the "Mother of Industry".

During the injection molding process of the usual mold, due to the high injection temperature, long-term use will reduce the molding accuracy of the mold, and the heat preservation and pressure holding time is too long, which reduces the injection molding efficiency during the mold manufacturing process, and easily causes uneven internal stress in the product. Carbonization of plastic products, etc.

Utility model content

The utility model provides a synchronous unthreading and cooling structure, which aims to solve the problem that during the injection molding process of the mold, due to the high injection molding temperature, the molding precision of the mold will be reduced due to long-term use, and the heat preservation and pressure holding time will be too long, reducing the mold manufacturing process. The injection molding efficiency is high, and it is easy to cause problems such as uneven internal stress of the product and carbonization of plastic products.

The utility model is realized in this way, a synchronous de-threading and cooling structure includes a lower die seat and an upper die seat, a core fixing seat is arranged between the lower die seat and the upper die seat, and the core fixing seat is There are four unthreaded cores evenly distributed inside, the top of the unthreaded core passes through the upper die base, the right end of the lower die base is provided with two water inlets side by side, and the left end of the water inlet is provided with a water inlet pipe , the left end of the water inlet pipe is provided with a first cooling pipe, the first cooling pipe extends to the inside of the right side of the unthreaded core, the middle position of the first cooling pipe is provided with a dividing plate, the first cooling pipe is The left end of the pipe is provided with a communication pipe, the right end of the communication pipe is provided with a second cooling pipe, the second cooling pipe extends to the inside of the right unthreaded core, and the left end of the second cooling pipe is provided with a water outlet pipe , the left end of the water outlet pipe is provided with a water outlet.

Preferably, the bottom end of the distribution plate is connected to the lower mold base, the distribution plate divides the first cooling pipe and the second cooling pipe into left and right parts, and the top end of the distribution plate is not connected to the first cooling pipe and the second cooling pipe. The top ends of the two cooling pipes are in contact with each other, and the top ends of the first cooling pipe and the second cooling pipe are connected left and right.

Preferably, an oil pump motor is arranged behind the core fixing seat, the oil pump motor is fixedly connected to the core fixing seat through the fixing seat, and a belt is provided at the output end of the oil pump motor, and the belt is away from one end of the oil pump motor A main drive shaft is provided.

Preferably, the main transmission shaft is arranged at a middle position of the core fixing seat, and a transmission gear is arranged on the outer side of the main transmission shaft.

Preferably, a follower gear is provided on the outer side of the de-threading core, and the follower gear and the transmission gear are engaged.

Preferably, the core fixing seat is divided into multiple layers, which are detachably connected by bolts, the unthreaded core and the main drive shaft are rotatably connected to the core fixing seat through a precision bearing, and each layer of the core fixing seat has interfaces. A positioning ring is provided at the contact position with the unthreaded core.

Compared with the prior art, the beneficial effect of the present invention is: by setting the cooling system inside the unthreaded core, the user can access the cooling liquid through the water inlet, and the cooling liquid is conducted into the first cooling pipe and the second cooling pipe through the water inlet pipe. The inside of the cooling pipe is guided by the water outlet pipe and discharged from the water outlet to form a cooling water circulation system that communicates between the inside of the mold and the outside world, and continuously cools the de-threaded core. The cooling liquid circulates from bottom to top inside the first cooling pipe and the second cooling pipe, which increases the contact time and area between the cooling liquid and the unthreaded core, enhances the cooling effect of the device, and avoids the traditional mold in the injection molding process. High injection temperature, long-term use will reduce the molding accuracy of the mold, and the heat preservation and pressure holding time is too long, which reduces the injection molding efficiency during the mold manufacturing process, and easily causes problems such as uneven internal stress of the product and carbonization of the plastic product, which effectively improves the mold injection molding. Forming efficiency while extending the life of the unthreaded core.

It should be understood that the above are the preferred embodiments of the present invention, and it should be pointed out that for those skilled in the art, some improvements and modifications can be made without departing from the principles of the present invention. , these improvements and modifications are also regarded as the protection scope of the present invention.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the internal structure schematic diagram of the utility model;

Figure 3 is a schematic diagram of the transmission structure of the present invention.

In the figure: 1. Lower die seat; 2. Core fixing seat; 3. Upper die seat; 4. De-threaded core; 41. Follower gear; 5. Water inlet; 6. Water inlet pipe; 7. First cooling pipe; 8, manifold; 9, connecting pipe; 10, second cooling pipe; 11, water outlet; 12, water outlet; 13, main drive shaft; 131, transmission gear; 14, belt; 15, oil pump motor.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

In the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indications of orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description , rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the present invention. In addition, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

1-3, the present utility model provides a solution: a synchronous dethreading and cooling structure, a synchronous dethreading and cooling structure, comprising a lower die base 1 and an upper die base 3, a lower die base 1 and an upper die base A core fixing base 2 is arranged between the die bases 3, and four unthreaded cores 4 are evenly distributed in the core fixing base 2. The top end of the unthreaded cores 4 passes through the upper die base 3 and the lower die base 1 The right end is provided with two water inlets 5 side by side, the left end of the water inlet 5 is provided with a water inlet pipe 6, the left end of the water inlet pipe 6 is provided with a first cooling pipe 7, and the first cooling pipe 7 extends to the right side of the unthreaded core 4. Inside, the middle position of the first cooling pipe 7 is provided with a dividing plate 8, the left end of the first cooling pipe 7 is provided with a communication pipe 9, the right end of the communication pipe 9 is provided with a second cooling pipe 10, and the second cooling pipe 10 extends to the right Inside the side release threaded core 4 , the left end of the second cooling pipe 10 is provided with a water outlet pipe 11 , and the left end of the water outlet pipe 11 is provided with a water outlet 12 .

In this embodiment, a cooling system inside the de-threading core 4 is provided, the user enters the cooling liquid through the water inlet 5, and the cooling liquid is conducted into the first cooling pipe 7 and the second cooling pipe 10 through the water inlet pipe 6, and Guided by the water outlet pipe 11 and discharged from the water outlet 12, a cooling water circulation system that communicates between the inside of the mold and the outside world is formed, and the temperature of the unthreaded core 4 is continuously lowered. Force the cooling liquid to circulate from bottom to top inside the first cooling pipe 7 and the second cooling pipe 10, increase the contact time and area between the cooling liquid and the unthreaded core 4, enhance the cooling effect of the device, and effectively improve the injection molding efficiency of the mold. efficiency, while extending the service life of the unthreaded core 4.

Further, the bottom end of the dividing plate 8 is connected to the lower die base 1, the dividing plate 8 divides the first cooling pipe 7 and the second cooling pipe 10 into two parts, left and right, and the top end of the dividing plate 8 is not connected to the first cooling pipe 7 and the second cooling pipe 10. The top ends of the second cooling pipes 10 are in contact with each other, and the top ends of the first cooling pipes 7 and the second cooling pipes 10 are connected to the left and right.

In the present embodiment, the distribution plate 8 is provided to force the cooling liquid to flow from bottom to top from the right side of the first cooling pipe 7 and the second cooling pipe 10 respectively after entering the inside of the first cooling pipe 7 and the second cooling pipe 10 . Circulating flow, and then circulating from the left side of the first cooling pipe 7 and the second cooling pipe 10 from top to bottom, increasing the contact time and area between the cooling liquid and the unthreaded core 4, enhancing the cooling effect of the device, and effectively improving the mold The efficiency of injection molding, while extending the service life of the unthreaded core 4.

Further, an oil pump motor 15 is arranged behind the core fixing base 2 , the oil pump motor 15 is fixedly connected to the core fixing base 2 through the fixing base, the output end of the oil pump motor 15 is provided with a belt 14 , and the end of the belt 14 is away from the oil pump motor 15 . A main transmission shaft 13 is provided.

In the present embodiment, the oil pump motor 15 and the belt 14 are provided to increase the power for the unthreaded core 4 and the main drive shaft 13 in the mold to realize up and down movement.

Further, the main transmission shaft 13 is arranged at the middle position of the core fixing seat 2 , and a transmission gear 131 is arranged on the outer side of the main transmission shaft 13 .

In this embodiment, the main drive shaft 13 located in the middle of the mold simultaneously transmits power to the four de-threading cores 4 evenly arranged around.

Further, a follower gear 41 is provided on the outer side of the de-threading core 4 , and the follower gear 41 and the transmission gear 131 are engaged with each other.

In this embodiment, a follower gear 41 is arranged on the outside of the de-threading core 4, which is engaged with the transmission gear 131, so that the de-threading core 4 rotates with the main drive shaft 13 to provide power for the de-threading structure.

Further, the core fixing seat 2 is divided into multiple layers, which are detachably connected by bolts, the unthreaded core 4 and the main drive shaft 13 are rotatably connected to the core fixing seat 2 through precision bearings, and the interfaces of each layer of the core fixing seat 2 are connected with the core fixing seat 2. A positioning ring is provided at the contact position of the unthreaded core 4 .

In this embodiment, the unthreaded core 4 and the main drive shaft 13 are rotatably connected to the core fixing seat 2 through precision bearings, and positioning rings are provided at the contact positions of each interface of the core fixing seat 2 and the unthreaded core 4 to ensure that The position of the unthreaded core 4 remains unchanged when it is rotated to ensure the molding accuracy of the mold.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (6)

1. The utility model provides a synchronous thread and cooling structure of taking off, includes die holder (1) and upper die base (3), its characterized in that: a core fixing seat (2) is arranged between the lower die holder (1) and the upper die holder (3), four thread-removing cores (4) which are uniformly distributed are arranged in the core fixing seat (2), the top end of each thread-removing core (4) penetrates through the upper die holder (3), two water inlets (5) are arranged at the right end of the lower die holder (1) side by side, a water inlet pipe (6) is arranged at the left end of each water inlet (5), a first cooling pipe (7) is arranged at the left end of each water inlet pipe (6), the first cooling pipe (7) extends into the thread-removing cores (4) at the right side, a flow distribution plate (8) is arranged at the middle position of each first cooling pipe (7), a communicating pipe (9) is arranged at the left end of each first cooling pipe (7), a second cooling pipe (10) is arranged at the right end of each communicating pipe (9), and the second cooling pipes (10) extend into the thread-removing cores (4), the left end of the second cooling pipe (10) is provided with a water outlet pipe (11), and the left end of the water outlet pipe (11) is provided with a water outlet (12).

2. The synchronous thread removing and cooling structure as claimed in claim 1, wherein the bottom end of the flow dividing plate (8) is connected with the lower die holder (1), the flow dividing plate (8) divides the first cooling pipe (7) and the second cooling pipe (10) into a left part and a right part, the top end of the flow dividing plate (8) is not contacted with the top ends of the first cooling pipe (7) and the second cooling pipe (10), and the top ends of the first cooling pipe (7) and the second cooling pipe (10) are communicated left and right.

3. A synchronous thread stripping and cooling structure as claimed in claim 1, characterized in that an oil pump motor (15) is arranged behind the core fixing seat (2), the oil pump motor (15) is fixedly connected to the core fixing seat (2) through the fixing seat, a belt (14) is arranged at the output end of the oil pump motor (15), and a main transmission shaft (13) is arranged at one end of the belt (14) far away from the oil pump motor (15).

4. A synchronous de-threading and cooling structure according to claim 3, characterized in that the main transmission shaft (13) is provided at a middle position of the core holder (2), and a transmission gear (131) is provided at an outer side of the main transmission shaft (13).

5. A synchronous threading and cooling structure according to claim 4, characterized in that the outside of the threading core (4) is provided with a follower gear (41), the follower gear (41) and the transmission gear (131) being in meshing engagement.

6. The synchronous thread removing and cooling structure as claimed in claim 1, wherein the core fixing seat (2) is divided into a plurality of layers and detachably connected through bolts, the thread removing core (4) and the main transmission shaft (13) are rotatably connected with the core fixing seat (2) through precision bearings, and positioning rings are arranged at the contact positions of the interfaces of the layers of the core fixing seat (2) and the thread removing core (4).

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