Injection mold with cleaning structure

Abstract

The present application relates to injection mold technical field, specifically, it relates to a kind of injection mold with cleaning structure.It includes mold body and cleaning system, mold body includes bottom die, side die and upper die, bottom die, side die and upper die jointly constitute mold core when injection molding, and the molten plastic is injected through the core mouth of the top of upper die, and cleaning system includes cleaning body, and cleaning structure is the component part of cleaning body;Cleaning structure includes outer tube and inner tube, and inner tube slides in outer tube, and at least one water jet is provided on inner tube;Inner tube is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of sliding out of outer tube, so that water jet is exposed in the space of the mold core by the mode of

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of injection mold, in particular to an injection mold with cleaning structure. BACKGROUND

[0002] Injection mold is a key tool for manufacturing plastic products, which makes products with desired shape by injecting molten plastic into the mold and cooling and solidifying. The injection mold is usually composed of a body and parts. The body is generally made of steel material, which is used to form the shape and size of the product; the parts include mold core, mold plate and other components, which are used to provide support, positioning and resetting functions for product molding.

[0003] Chinese patent publication No. CN205704894U discloses a plastic mold with rapid discharging and automatic cleaning, which comprises a movable mold core and a fixed mold core surrounding a cavity, a movable mold core fixing plate and a fixed mold core fixing plate. The fixed mold core is provided with a model groove, and the movable mold core fixing plate is connected with a cleaning mechanism. The cleaning mechanism comprises a liquid spray pump fixed on the movable mold core fixing plate, which is connected with a nozzle corresponding to the model groove. The liquid spray pump is in communication with a cleaning liquid guide pipe outside. When dust accumulates in the model groove, the nozzle can be used for cleaning without disassembling the mold for separate cleaning, thereby reducing the cleaning process.

[0004] Although the cleaning mechanism is set to be used without disassembling the mold, the cleaning structure is still independent of the inside of the model groove and is still sprayed from the outside to the model groove. In order not to affect the closure of the model groove, the spray head needs to be set away from the edge of the model groove, which increases the distance between the spray head and the model groove. SUMMARY

[0005] The purpose of the present application is to provide an injection mold with cleaning structure to solve the problems raised in the background.

[0006] In order to achieve the above purpose, an injection mold with cleaning structure is provided, which comprises a mold body and a cleaning system. The mold body comprises a bottom mold, a side mold and an upper mold, which together constitute a mold core during injection. The molten plastic is injected through the core port provided at the top of the upper mold. The cleaning system comprises a cleaning body, and the cleaning structure is a component of the cleaning body.

[0007] A connecting groove is provided in the bottom mold, and the cleaning structure is accommodated in the connecting groove.

[0008] The cleaning structure comprises an outer tube and an inner tube. The inner tube slides in the outer tube, and at least one water jet port is provided on the inner tube.

[0009] The inner tube is exposed in the space constituting the mold core by sliding out of the outer tube.

[0010] The cleaning body further comprises a water receiving pipe, and the outer pipe is provided with a connecting head on the side away from the inner pipe; the water receiving pipe is connected to the connecting head;

[0011] Under the action of negative pressure, the water source connected to the water receiving pipe enters the outer pipe through the connecting head, and then flows through the inner pipe and is sprayed out of the water spraying port.

[0012] As a further improvement of the technical solution, the cleaning system further comprises a water tank with a water storage cavity inside, and the water tank is arranged at the bottom of the bottom mold; the water tank is provided with a connecting hole corresponding to the water receiving pipe, and the water receiving pipe is connected to the water storage cavity through the connecting hole.

[0013] As a further improvement of the technical solution, the bottom of the water tank is provided with a water inlet pipe, and a water pump is arranged at the end of the water inlet pipe to connect to the external water source.

[0014] As a further improvement of the technical solution, a water pump is arranged at the end of the water pipe to connect to the water source.

[0015] As a further improvement of the technical solution, the connecting groove is arranged in the bottom mold close to the outer side wall, and one end of the connecting groove is formed with an opening on the outer side wall of the bottom mold, and the other end is formed with an opening on the top wall of the bottom mold.

[0016] The connecting groove is inclined from the outer side to the inner side.

[0017] The main body part of the outer pipe is fixed in the connecting groove, and the tail part of the outer pipe passes out of the opening on the outer side wall of the connecting groove to establish a connection between the water receiving pipe and the connecting head.

[0018] When the inner pipe is received in the outer pipe, part of the inner pipe protrudes outside the outer pipe.

[0019] The connecting groove matches the outer contour of the outer pipe and the inner pipe after being received.

[0020] After being received, the top end of the inner pipe falls into the opening on the top wall of the connecting groove, and the top surface of the inner pipe is flush with the top wall of the bottom mold.

[0021] As a further improvement of the technical solution, the water spraying port is provided with five water spraying ports, including a first water spraying port, a second water spraying port, a third water spraying port, a fourth water spraying port and a fifth water spraying port.

[0022] The first water spraying port and the third water spraying port are respectively located above and below the inner side; the second water spraying port and the fourth water spraying port are respectively located above and below the outer side; and the fifth water spraying port is located at the top of the inner pipe.

[0023] As a further improvement of the technical solution, the inner plate is slidably connected in the water storage cavity, and the outer wall of the inner plate is attached to the inner wall of the water storage cavity.

[0024] The bottom of the inner plate is fixedly connected with a water inlet pipe, the water inlet pipe is slidably connected with the bottom wall of the water tank, and a one-way valve is arranged in the water inlet pipe.

[0025] As a further improvement of the technical solution, the side mold and the bottom mold are in a movable connection state, the top of the inner plate is provided with a connecting rod, and the connecting rod is fixedly connected with the bottom mold and the side mold.

[0026] As a further improvement of the technical solution, the outer diameter of the inner tube is smaller than the inner diameter of the outer tube, the tail of the inner tube is provided with a tail seat, the outer wall of the tail seat is attached to the inner wall of the outer tube, and a center column is arranged in the inner tube to block the water outlet.

[0027] As a further improvement of the technical solution, the bottom mold is provided with a condensation chamber, and a cooling channel is also arranged in the bottom mold, the cooling channel is laid along the top wall of the bottom mold, and a plurality of "V" shaped sections are arranged on the laying path, the main part of the "V" shaped section falls into the condensation chamber, and a condensation pipe is arranged along the cooling channel in the condensation chamber.

[0028] The center column is provided with an inner channel.

[0029] One end of the cooling channel is connected to the first water outlet, and the other end is communicated with the water storage cavity.

[0030] Compared with the prior art, the beneficial effects of the present application are:

[0031] 1. In the injection mold with the cleaning structure, the water source is pressed into the water inlet pipe under the action of negative pressure, and then sprayed into the space formed by the mold core through the water outlet, so that the distance between the water outlet and the surface to be cleaned is reduced, and the inward and outward spraying mode can better remove the adhering objects and facilitate heat release.

[0032] 2. In the injection mold with the cleaning structure, the inner tube after being received falls into the opening of the connecting groove on the top wall, and the top surface of the inner tube is flush with the top wall of the bottom mold, so as to ensure the integrity of the mold core shape and improve the molding quality of the product.

[0033] 3. In the injection mold with the cleaning structure, the water flow is cooled by the "V" shaped section, so that the water flow near the top wall of the bottom mold is always in a low temperature state, thereby improving the cooling effect on the product, so that the product is quickly shaped and then taken out, and then quickly enters the cleaning state. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1The whole structure of the injection mold of the present application is shown in the schematic diagram.

[0035] Figure 2 The specific component structure of the mold body and the cleaning system of the present application is shown in the schematic diagram.

[0036] Figure 3 The structure of the bottom mold and the cleaning body of the present application is shown in the schematic diagram.

[0037] Figure 4 The structure of the cleaning body of the present application is shown in the schematic diagram.

[0038] Figure 5 The structure of the cleaning body of the present application is shown in the schematic diagram.

[0039] Figure 6 The working principle of the cleaning structure of the present application is shown in the schematic diagram.

[0040] Figure 7 The structure of the water tank with inner plate of the present application is shown in the schematic diagram.

[0041] Figure 8 The whole structure of the present application after the connecting rod is ejected is shown in the schematic diagram.

[0042] Figure 9 The connection relationship between the condensing chamber and the cooling channel of the present application is shown in the schematic diagram.

[0043] Figure 10 The structure of the present application is shown in the enlarged view of A. Figure 9

[0044] The meanings of the various reference numbers in the figure are as follows:

[0045] 100, mold body; 200, cleaning system;

[0046] 110, bottom mold; 120, side mold; 130, upper mold;

[0047] 210, cleaning body; 211, outer pipe; 212, inner pipe; 2121, tail seat; 213, connecting head; 214, center column;

[0048] 214A, inner channel; 2141, top column; 215, water receiving pipe; 220, water tank; 221, inner plate; 222, vertical power element;

[0049] 223, connecting rod;

[0050] 100A, core opening; 110A, connecting groove; 110B, cooling channel; 110C, condensing chamber; 212A, first water spraying opening; 212B, second water spraying opening; 212C, third water spraying opening; 212D, fourth water spraying opening; 212E, fifth water spraying opening; 213A, water inlet; 220A, connecting hole; 220B, water storage cavity.​ DETAILED DESCRIPTION

[0051] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0052] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0053] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0054] Although the injection mold has a special cleaning structure, the cleaning structure still exists independently relative to the inside of the model groove, and water is still sprayed from the outside into the model groove. In order to not affect the closure of the model groove, the spray head for spraying water also needs to be arranged away from the edge of the model groove, which increases the distance between the spray head and the model groove. In order to make the spray head fall into the model groove, a structure for moving the spray head needs to be additionally provided. On the one hand, the space of the mold as a whole is limited, so that the design difficulty is increased by additionally providing other structures. On the other hand, the additionally provided structure increases the manufacturing and maintenance cost of the mold.

[0055] Therefore, the present application provides an injection mold with a cleaning structure, as shown in Figure 1 which comprises a mold body 100 and a cleaning system 200. First refer to Figure 2As shown, the mold body 100 includes a bottom mold 110, a side mold 120 and an upper mold 130, which are arranged from bottom to top and jointly constitute a mold core during injection molding. The molten plastic is injected through the core port 100A provided at the top of the upper mold 130, then flows through the mold core, cools and solidifies after forming the required shape (the shape is determined by the mold core, and different mold core designs can produce different internal structures), and finally the mold core is separated as long as one of the bottom mold 110, the side mold 120 and the upper mold 130 is separated from the other two. Then the solidified product can be taken out.

[0056] In addition, the cleaning system 200 includes a cleaning body 210, and the cleaning structure is a component of the cleaning body 210. Referring to Figure 3 As shown, the bottom mold 110 is provided with a connecting groove 110A, and the cleaning structure is accommodated in the connecting groove 110A, which includes an outer tube 211 and an inner tube 212. The inner tube 212 slides in the outer tube 211, and the inner tube 212 is provided with at least one water outlet. The inner tube 212 is slid out of the outer tube 211 to expose the water outlet in the space constituting the mold core (also including the mold core), so that the water outlet sprays water outward from the inside of the mold core. To achieve this, a water source needs to be provided, so refer to Figure 4 As shown, the cleaning body 210 includes a water receiving pipe 215 in addition to the cleaning structure. The outer tube 211 is provided with a connecting head 213 on the side away from the inner tube 212. The water receiving pipe 215 is connected to the connecting head 213. Under the action of negative pressure, the water source connected to the water receiving pipe 215 enters the outer tube 211 through the connecting head 213, and then flows through the inner tube 212 and is sprayed out of the water outlet.

[0057] In the first embodiment, the negative pressure is output by a water pump. In the first implementation, a water pump is directly arranged at the end of the water receiving pipe 215. The water source is connected to the water pump. The water source can be a tank arranged independently outside the injection mold. The tank stores water, and then the water pump pumps the water to the water receiving pipe 215, and then sprays it into the space constituting the mold core through the water outlet. In this way, the distance between the water outlet and the surface to be cleaned is reduced, and the inward and outward spraying mode can better remove the attached objects and facilitate heat release.

[0058] Specifically, continue to refer to Figure 3As shown, the connecting groove 110A is arranged in the bottom die 110 near the outer side wall, and one end of the connecting groove 110A is formed with an opening on the outer side wall of the bottom die 110, and the other end is formed with an opening on the top wall of the bottom die 110, and the connecting groove 110A is inclined from the outer side to the inner side as a whole, and the outer tube 211 is fixed in the connecting groove 110A, and the tail of the outer tube 211 is arranged to pass out of the opening on the outer side wall of the connecting groove 110A, so that the water receiving pipe 215 can be connected to the connecting head 213 (because the connecting head 213 is arranged at the tail of the outer tube 211), and when the inner tube 212 is received in the outer tube 211, part of it protrudes outward, so the connecting groove 110A needs to match the external contour of the outer tube 211 and the inner tube 212 after being received.

[0059] Furthermore, referring to Figure 5 As shown, the inner tube 212 after being received has its top end falling into the opening on the top wall of the connecting groove 110A, and the top surface of the inner tube 212 needs to be flush with the top wall of the bottom die 110, so as to ensure the integrity of the shape of the mold core and improve the molding quality of the product.

[0060] Preferably, the cleaning body 210 is provided with a plurality of spaces around the space constituting the mold core on the bottom die 110, so as to increase the number of water columns sprayed out. Since the water columns sprayed out have stronger cleaning ability, the more water columns sprayed out, the better the cleaning effect.

[0061] However, the number of corresponding water receiving pipes 215 also increases, and if a water pump is arranged at the end of each water receiving pipe 215, the cost will also increase accordingly. Therefore, Figure 2 As shown in the second embodiment of the present embodiment, the cleaning system 200 further comprises a hollow water tank 220 arranged at the bottom of the bottom die 110, and a water storage cavity 220B is formed in the hollow water tank 220. Connection holes 220A are arranged on the water tank 220 corresponding to the water receiving pipes 215, and the water receiving pipes 215 are connected to the water storage cavity 220B through the connection holes 220A, as shown in Figure 6 As shown, the bottom of the water tank 220 is provided with a water inlet pipe, and a water pump is arranged at the end of the water inlet pipe to connect to an external water source. In use, the water pump draws water into the water inlet pipe and then into the water storage cavity 220B. Since there is no water in the water storage cavity 220B initially, the water storage cavity 220B is first filled with water, and after being filled, water enters the water receiving pipe 215 under the action of negative pressure. In this way, through the transition of the water storage cavity 220B, only one water pump is needed to realize the water inlet of all the water receiving pipes 215.

[0062] Working principle:

[0063] First, the upper mold 130 is separated from the side mold 120, and then the water source is introduced into the water inlet pipe 215 in the first or second embodiment, and then the water enters the outer pipe 211 through the connecting head 213, and under the action of the negative pressure, the inner pipe 212 received in the outer pipe 211 slides outwards to expose the water outlet to the space formed by the mold core; at the same time, the sliding inner pipe 212 can also push the product out, so as to quickly take out the product. After the product is taken out, the water outlet sprays water flow into the space formed by the mold core to form a water column acting on the inner wall of the mold core to clean the adhering matter on the inner wall.

[0064] In addition, there are two ways to clean the inner wall, one is that the upper mold 130 is returned after being separated, and the mold core is still formed, and at this time all the inner walls of the mold core are closer to the water outlet, so that the adhering matter is separated from the inner wall under the impact of the water column, and the water flow can also flow out through the core port 100A to clean the core port 100A, but it is difficult for the separated adhering matter to flow out quickly, and it is also difficult for the heat to be released quickly.

[0065] The second is that the upper mold 130 continues to remain separated, at this time the top wall of the mold core is far away from the water outlet, so the cleaning force of the top wall of the mold core is not enough, but the water outlet space is formed between the upper mold 130 and the side mold 120, so that the sprayed water can be discharged through the water outlet space in time, on the one hand, the heat release efficiency is improved, and on the other hand, the water flow sprayed from the inside to the outside can quickly push the separated adhering matter to flow out, avoiding the adhering matter from flowing in the space formed by the mold core, preventing the inner wall of the mold core from being damaged.

[0066] It should be noted that the outer wall of the inner pipe 212 is provided with a plurality of water outlets, but the top of the inner pipe 212 is sealed (to ensure that the water flow can smoothly push the inner pipe 212 out), or a plurality of water outlets are provided on the outer wall and a water outlet is also provided at the top (although a water outlet is provided at the top, the diameter of the water outlet is very small, so under the push of the high-pressure water flow, the inner pipe 212 can still slide out), and the latter is preferred, as shown in Figure 5 The water outlet is provided with five water outlets, including a first water outlet 212A, a second water outlet 212B, a third water outlet 212C, a fourth water outlet 212D and a fifth water outlet 212E, wherein:

[0067] The first water outlet 212A and the third water outlet 212C are located above and below the inner side respectively; the second water outlet 212B and the fourth water outlet 212D are located above and below the outer side respectively; and the fifth water outlet 212E is located at the top of the inner pipe 212, in combination with Figure 6As shown, because the outer tube 211 is inclined, the slid-out inner tube 212 is also inclined, and the water column sprayed by the third water outlet 212C acts on the outer position of the top wall of the bottom mold 110, while the water column sprayed by the first water outlet 212A acts on the inner position of the top wall of the bottom mold 110; the water column sprayed by the second water outlet 212B acts on the outer position of the bottom wall of the upper mold 130, and the water column sprayed by the fifth water outlet 212E acts on the inner position of the bottom wall of the upper mold 130; the water column sprayed by the fourth water outlet 212D acts on the inner wall of the side mold 120, so that the inner wall of the mold core is comprehensively covered by the water columns in five directions.

[0068] In addition, the water column sprayed by the fifth water outlet 212E can also cooperate with the upper mold 130. Specifically, after the upper mold 130 is separated, the upper mold 130 is returned in the early stage to ensure that the adhering objects are separated as much as possible, and then the upper mold 130 is separated again, so that the adhering objects are quickly discharged, and the heat release efficiency is improved. In addition, during the rising or falling of the upper mold 130, the height of the bottom wall of the upper mold 130 also changes, so that the path of the water column changes, thereby increasing the action area of the water column sprayed by the fifth water outlet 212E, in which the direct action is on the bottom wall of the upper mold 130, and the indirect action is on the top wall of the bottom mold 110 through the change of the path.

[0069] Further, the protrusion of the inner tube 212 reduces the area of the top opening of the connecting groove 110A, thereby reducing the influence of the opening on the molded product as much as possible.

[0070] In the second embodiment, the negative pressure is formed by compressing the space of the water storage cavity 220B. Specifically, referring to Figure 7 As shown, the inner plate 221 is slidably connected in the water storage cavity 220B, and the outer wall of the inner plate 221 is attached to the inner wall of the water storage cavity 220B. Then, a vertical power element 222 (including a hydraulic rod or an electric push rod) is arranged at the bottom of the inner plate 221, and the inner plate 221 is compressed by the vertical power element 222. The bottom of the inner plate 221 is fixedly connected with a water inlet pipe, and the water inlet pipe is slidably connected with the bottom wall of the water tank 220, and a one-way valve is arranged in the water inlet pipe. When the space above the inner plate 221 is compressed, the water in the inner plate 221 can only flow into the water receiving pipe 215 under the action of negative pressure, and push the inner tube 212 to slide out.

[0071] In addition, as Figure 8As shown, the side mold 120 is in a movable connection state with the bottom mold 110, and a connecting rod 223 is arranged on the top of the inner plate 221, the connecting rod 223 is fixedly connected with the side mold 120 through the bottom mold 110, during the process of lifting the inner plate 221, the connecting rod 223 moves synchronously, which makes the side mold 120 separate from the bottom mold 110, then a drainage space is formed between the side mold 120 and the bottom mold 110, finally all the water flows out through the space, thereby solving the problem that the water in the last part cannot be drained.

[0072] In the above embodiment, the outer diameter of the inner tube 212 is consistent with the inner diameter of the outer tube 211, in the third embodiment, the inner tube 212 is improved, please refer to Figure 4 and Figure 5 As shown, the outer diameter of the inner tube 212 is smaller than the inner diameter of the outer tube 211, a tail seat 2121 is arranged on the tail of the inner tube 212, the outer wall of the tail seat 2121 is attached to the inner wall of the outer tube 211, and a center column 214 is arranged in the inner tube 212 to block the water jet port in cooperation with the inner wall of the connecting groove 110A, and the center column 214 is fixed on the connecting head 213, when the inner tube 212 is in the storage state, the center column 214 blocks the water jet port in the inner tube 212.

[0073] In addition, the connecting head 213 is provided with a water inlet 213A around the center column 214.

[0074] When the fifth water jet port 212E is arranged, a top column 2141 is arranged on the top of the center column 214 to block the fifth water jet port 212E through the top column 2141, and the water jet port on the protruding part of the inner tube 212 is blocked by the inner wall of the connecting groove 110A.

[0075] In use, when the water enters the outer tube 211 through the water inlet 213A, it is directly pushed by the center column 214 to push the tail seat 2121, thereby ensuring that the inner tube 212 can be maximized to slide out, then when the tail seat 2121 separates from the center column 214, the water can enter the inner tube 212, and at this time the water pressure is already very large, so it can be directly sprayed through the water jet port, avoiding the shaking of the water flow.

[0076] In the fourth embodiment, the water jet port on the protruding part of the inner tube 212 is utilized, as shown in Figure 9 A condensation chamber 110C is arranged in the bottom mold 110, and a cooling channel 110B is also arranged in the bottom mold 110, the cooling channel 110B is laid along the top wall of the bottom mold 110, and a plurality of "V" shaped sections are arranged on the laying path, the main part of the "V" shaped section falls into the condensation chamber 110C, and a condensation pipe (not shown in the figure) is arranged along the cooling channel 110B; as shown in Figure 10As shown, an inner channel 214A is arranged in the center column 214, one end of the inner channel 214A is communicated with the space below the center column 214, and the other end is communicated with the space outside the top column 2141.

[0077] It should be noted that one end of the cooling channel 110B is connected to the first water spraying port 212A (because the first water spraying port 212A is a water spraying port located on the protruding part of the inner tube 212), and the other end is communicated with the water storage cavity 220B, and then the end of the water receiving pipe 215 is provided with a water pump to directly pump water in the water storage cavity 220B, at this time, the pumped water flows to the first water spraying port 212A through the inner channel 214A, and then enters the cooling channel 110B to cool the water flow through the "V" shaped section. The continuous cooling makes the water flow near the top wall of the bottom mold 110 always in a low temperature state, thereby improving the cooling effect on the product, so that the product can be quickly shaped and then taken out to quickly enter a cleaning state.

[0078] Moreover, after reflux, the circulation cooling can be realized.

[0079] Further, not only the water pump is arranged at the end of each water receiving pipe 215, but also the cooling can be realized, but the circulation cooling cannot be realized, that is, the flowability of the water in the cooling channel 110B is reduced.

[0080] The water pump in the above is not shown in the figure.

[0081] The above shows and describes the basic principles, main features and advantages of the present application. It should be understood by those skilled in the art that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An injection mold with a cleaning structure, comprising a mold body (100) and a cleaning system (200), wherein the mold body (100) comprises a bottom mold (110), a side mold (120) and an upper mold (130), wherein the bottom mold (110), the side mold (120) and the upper mold (130) together constitute a mold core during injection molding, and molten plastic is injected through a core port (100A) provided at the top of the upper mold (130), characterized in that: The cleaning system (200) comprises a cleaning body (210), and the cleaning structure is a component of the cleaning body (210); A connecting groove (110A) is provided in the bottom mold (110), and the cleaning structure is accommodated in the connecting groove (110A); The cleaning structure comprises an outer tube (211) and an inner tube (212), wherein the inner tube (212) slides inside the outer tube (211), and at least one water spray port is provided on the inner tube (212); The inner tube (212) slides out of the outer tube (211) so that the water outlet is exposed in the space forming the mold core; The cleaning body (210) further comprises a water receiving pipe (215); a connector (213) is provided on the side of the outer pipe (211) away from the inner pipe (212), and the water receiving pipe (215) is connected to the connector (213); Under the action of negative pressure, the water source connected to the water receiving pipe (215) enters the outer pipe (211) through the connector (213), flows through the inner pipe (212), and is ejected from the water ejection port, so that the water flows from the inside of the mold body (100) to the outside of the mold body (100); The connecting groove (110A) is provided in the bottom mold (110) at a position close to the outer side wall, one end of the connecting groove (110A) is formed with an opening on the outer side wall of the bottom mold (110), and the other end is formed with an opening on the top wall of the bottom mold (110); The connecting groove (110A) is inclined from the outside to the inside; The main body of the outer tube (211) is fixed in the connecting groove (110A), and the tail of the outer tube (211) passes through the opening on the outer side wall of the connecting groove (110A) to allow the water receiving pipe (215) to establish a connection with the connector (213); When the inner tube (212) is received in the outer tube (211), a portion thereof protrudes outside the outer tube (211); The connecting groove (110A) matches the outer contours of the stored outer tube (211) and the inner tube (212); After being stored, the top end of the inner tube (212) falls into the opening of the connecting groove (110A) on the top wall, and the top surface of the inner tube (212) remains flush with the top wall of the bottom mold (110); There are five water spray outlets, including a first water spray outlet (212A), a second water spray outlet (212B), a third water spray outlet (212C), a fourth water spray outlet (212D) and a fifth water spray outlet (212E), wherein: The first water spray port (212A) and the third water spray port (212C) are located above and below the inner side, respectively; the second water spray port (212B) and the fourth water spray port (212D) are located above and below the outer side, respectively; and the fifth water spray port (212E) is located at the top of the inner tube (212); Among them, cleaning actions include: The upper die (130) returns to its original position after being disengaged; The upper die (130) continues to remain in the disengaged state.

2. The injection mold with a cleaning structure according to claim 1, characterized in that: The cleaning system (200) further comprises a water tank (220) having a water storage cavity (220B) therein. The water tank (220) is arranged at the bottom of the bottom mold (110). A connecting hole (220A) corresponding to the water receiving pipe (215) is provided on the water tank (220). The water receiving pipe (215) is connected to the water storage cavity (220B) via the connecting hole (220A).

3. The injection mold with a cleaning structure according to claim 2, characterized in that: A water inlet pipe is provided at the bottom of the water tank (220), and a water pump is provided at the end of the water inlet pipe to connect to an external water source.

4. The injection mold with a cleaning structure according to claim 2, characterized in that: A water pump is provided at the end of the water pipe (215), and is connected to a water source via the water pump.

5. The injection mold with a cleaning structure according to claim 3, characterized in that: An inner plate (221) is slidably connected to the water storage cavity (220B), and the outer wall of the inner plate (221) is in contact with the inner wall of the water storage cavity (220B). A vertical power member (222) is provided at the bottom of the inner plate (221); A water inlet pipe is fixedly connected to the bottom of the inner plate (221), the water inlet pipe is slidably connected to the bottom wall of the water tank (220), and a one-way valve is provided in the water inlet pipe.

6. The injection mold with a cleaning structure according to claim 5, characterized in that: The side mold (120) and the bottom mold (110) are in a movably connected state. A connecting rod (223) is provided on the top of the inner plate (221). The connecting rod (223) passes through the bottom mold (110) and is fixedly connected to the side mold (120).

7. The injection mold with a cleaning structure according to claim 1, characterized in that: The outer diameter of the inner tube (212) is smaller than the inner diameter of the outer tube (211). A tail seat (2121) is provided at the tail of the inner tube (212). The outer wall of the tail seat (2121) fits the inner wall of the outer tube (211). A central column (214) is provided in the inner tube (212) to cooperate with the inner wall of the connecting groove (110A) to seal the water outlet.

8. The injection mold with a cleaning structure according to claim 7, characterized in that: A condensation chamber (110C) is provided in the bottom mold (110), and a cooling channel (110B) is also provided in the bottom mold (110). The cooling channel (110B) is laid along the top wall of the bottom mold (110), and a plurality of "V"-shaped segments are provided on the laying path. The main part of the "V"-shaped segment falls in the condensation chamber (110C), and a condensation pipe is provided along the cooling channel (110B) in the condensation chamber (110C); An inner channel (214A) is provided in the central column (214); One end of the cooling channel (110B) is connected to the first water spray port (212A), and the other end is in communication with the water storage chamber (220B).

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