Injection mold frame capable of quickly demolding

Abstract

The utility model relates to the technical field of injection mold frames, in particular to an injection mold frame capable of quickly demolding, which comprises an upper mold frame, an injection hole is fixedly connected to the surface of the upper mold frame, a lower mold frame is arranged on the outer side of the upper mold frame, the lower mold frame comprises a shell clamped on the outer side of the upper mold frame, and an upper cooling cylinder is fixedly connected to the top end of the shell. One side of the upper cooling cylinder is fixedly connected with a first circulating pipe, the bottom end of the first circulating pipe is fixedly connected with a circulating pump, the circulating pump is fixedly connected with one side of the shell, and the bottom end of the second circulating pipe is fixedly connected with a lower cooling cylinder. Through the cooperation of the upper mold frame and the lower mold frame, the circulating pump is started to enable cooling water to enter the lower cooling cavity through the circulating pipe II and the lower cooling cylinder, so that the cooling water is accumulated in the lower cooling cavity, the temperature of the cooling water is increased by the heating pipe, and the heated cooling liquid slowly passes through the snake-shaped groove and the upper cooling cavity through the movement of the control block; therefore, heating of the shell is achieved, and uneven forming caused by overcooling of injection molding liquid is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold frame technical field, concretely relates to a kind of injection mold frame of quick demoulding. BACKGROUND

[0002] The application of present mold involves every product (such as automobile, aerospace, daily necessities, electrical communication, medical product equipment etc.), and mold production is applied to the product with large quantity, and mold frame is inseparable part of mold, and mold frame is semi-finished product of mold, is formed by the cooperation of various different steel plates and parts, and it can be said that it is the skeleton of complete set of mold. Since the processing involved by mold frame and mold has great difference, mold manufacturer will choose to order mold frame from mold frame manufacturer, to improve overall production quality and efficiency by using production advantages of both sides. At present, most molds will generate a large amount of heat when injecting products, and cooling device needs to be arranged in mold frame to cool mold frame, so as to accelerate the setting of injection workpiece.

[0003] Through retrieval, the patent file with announcement number CN220973251U proposes a plastic mold frame capable of rapid heat dissipation: the utility model discloses a plastic mold frame capable of rapid heat dissipation, which comprises a fixed mold plate, a movable mold plate and an upper mold plate, cooling pieces are vertically arranged on the vertical end faces of the two sides of the fixed mold plate, the cooling pieces comprise a cooling box, a fan is fixed through the bottom of the cooling box, the vertical end face of the side of the cooling box close to the fixed mold plate is provided with an opening, a dust screen is fixed through the top end of the cooling box, guide columns are vertically fixed on the top surface of the fixed mold plate, a cooling groove is hollowed in the movable mold plate, and a guide hole is vertically and penetratingly arranged on the movable mold plate. The utility model overcomes the problem that the existing plastic mold frame is cooled in a natural cooling mode, which needs the mold to be in contact with air for a long time to complete cooling, and the cooling mode takes a long time, resulting in that the plastic mold frame takes a long time to cool, and the demolding needs a long time to be completed in the later period, which affects the demolding efficiency of the plastic mold frame in the later period.

[0004] In the use process of the above technical scheme, since the mold frame cannot be heated, the injection liquid entering the mold frame is prone to cause unstable product size due to overcooling, which affects the overall quality and demolding of the product.

[0005] Therefore, it is necessary to invent an injection mold frame capable of rapid demolding to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing an injection mold frame capable of rapid demolding, which realizes temperature control through the cooperation of upper mold frame and lower mold frame, so as to solve the problem that the injection liquid entering the mold frame is prone to cause unstable product size due to overcooling, which affects the overall quality and demolding of the product in the prior art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a kind of injection mold frame of quick demolding, including upper mould frame, the surface of the upper mould frame is fixedly connected with injection hole, the outside of the upper mould frame is provided with lower mould frame, the lower mould frame includes the shell of being clamped in the outside of upper mould frame, the top of the shell is fixedly connected with upper cooling cylinder, one side of the upper cooling cylinder is fixedly connected with circulation pipe one, the bottom of the circulation pipe one is fixedly connected with circulation pump and circulation pump is fixedly connected with one side of shell, the bottom of the circulation pump is fixedly connected with circulation pipe two, the bottom of the circulation pipe two is fixedly connected with lower cooling cylinder, the upper of the lower cooling cylinder is provided with lower cooling cavity and the inside of lower cooling cavity is fixedly connected with two groups of heating pipes, by closing and opening heating pipe control inflow lower cooling cavity inside water temperature.

[0008] Preferably, the bottom of the lower cooling cylinder is fixedly connected with the shell, the upper of the lower cooling cavity is provided with upper cooling cavity, the upper cooling cavity is opened in the side of shell away from the upper mould frame, cooling water is refrigerated using the lower cooling cylinder and the upper cooling cylinder.

[0009] Preferably, the inside of both ends of the shell is provided with serpentine groove, the upper and lower ends of the serpentine groove are communicated with the upper cooling cavity and the lower cooling cavity respectively, and the side of the structure is temperature-controlled by the serpentine groove.

[0010] Preferably, the inside wall of the lower cooling cavity is fixedly connected with two groups of heating pipes, the bottom wall of the upper cooling cavity is fixedly connected with electric telescopic rod one, the output end of the electric telescopic rod one is fixedly connected with piston plate, the piston plate is slidingly connected to the inside wall of the upper cooling cavity, and the amount of accumulated water in the upper cooling cavity is adjusted by the piston plate to control the circulation speed of cooling water.

[0011] Preferably, the inside wall of the lower cooling cavity is fixedly connected with electric telescopic rod two, the output end of the electric telescopic rod two is fixedly connected with control block, and the inside of the control block is provided with flow-retaining block, the flow-retaining block is fixedly connected to the bottom wall of the lower cooling cavity, and the control block is moved by starting the electric telescopic rod two.

[0012] Preferably, the two sides of the control block are at the same height as the serpentine groove inside the lower cooling cavity, the control block is slidingly connected to the inside wall of the lower cooling cavity, and the working time of the heating pipe is prolonged by overlapping the control block and the water inlet end of the serpentine groove.

[0013] In the above technical scheme, the utility model provides technical effects and advantages:

[0014] Through cooperation of the upper die frame and the lower die frame, the circulating pump is started to make the cooling water enter the inside of the lower cooling cavity through the circulating pipe two and the lower cooling cylinder, the electric telescopic rod two is started to drive the control block to block the communication between the lower cooling cavity and the serpentine groove, the cooling water is accumulated in the inside of the lower cooling cavity to be heated by the heating pipe, and the control block is moved to make the heated cooling liquid slowly pass through the serpentine groove and the upper cooling cavity, so that the heating of the shell is realized, and then the uneven forming caused by the overcooling of the injection liquid is avoided, and when cooling is needed, the heated cooling liquid in the inside of the lower cooling cavity and the upper cooling cavity is quickly circulated through cooperation of the control block and the piston plate, and then gradual cooling is realized, so that the cooling time is reduced, and deformation is prevented to improve the demolding efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0017] Figure 2 It is a schematic diagram of the internal structure of the present application.

[0018] Figure 3 It is a schematic diagram of the serpentine groove structure of the present application.

[0019] Figure 4 It is a schematic diagram of the side view structure of the present application.

[0020] Figure 5 It is a schematic diagram of the control block structure of the present application.

[0021] Explanation of reference signs:

[0022] 1, upper die frame; 2, lower die frame; 201, shell; 202, upper cooling cylinder; 203, circulating pipe one; 204, circulating pump; 205, circulating pipe two; 206, lower cooling cylinder; 207, lower cooling cavity; 208, upper cooling cavity; 209, serpentine groove; 3, injection hole; 4, heating pipe; 5, piston plate; 6, electric telescopic rod one; 7, control block; 8, electric telescopic rod two; 9, flow resistance block. DETAILED DESCRIPTION

[0023] In order to make those skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail with reference to the drawings.

[0024] The present application provides a Figures 1-5The utility model provides an injection mould frame of quick demoulding, including upper mould frame 1, the surface fixed connection of upper mould frame 1 has injection hole 3, the outside of upper mould frame 1 is provided with lower mould frame 2, and lower mould frame 2 includes the shell 201 of joint in the outside of upper mould frame 1, the top of shell 201 is fixedly connected with upper cooling cylinder 202, one side of upper cooling cylinder 202 is fixedly connected with circulating pipe no. 203, and the bottom of circulating pipe no. 203 is fixedly connected with circulating pump 204 and is fixedly connected with one side of shell 201, and the bottom of circulating pump 204 is fixedly connected with circulating pipe no. 205, realizes the circulation of cooling water with circulating pump 204, and the bottom of circulating pipe no. 205 is fixedly connected with lower cooling cylinder 206, and the top of lower cooling cylinder 206 is provided with lower cooling cavity 207 and is fixedly connected with two groups of heating pipe 4 in the inside of lower cooling cavity 207, and the water temperature of the part of the inside of lower cooling cavity 207 is controlled by closing and opening heating pipe 4, and the bottom of lower cooling cylinder 206 is fixedly connected with shell 201, and the top of lower cooling cavity 207 is provided with upper cooling cavity 208, and upper cooling cavity 208 is set up in the one side of shell 201 away from upper mould frame 1, and cooling water is refrigerated with lower cooling cylinder 206 and upper cooling cylinder 202, and the inside of both ends of shell 201 is all set up with serpentine groove 209, and the upper and lower ends of serpentine groove 209 are communicated with upper cooling cavity 208 and lower cooling cavity 207 respectively, and the lateral surface of the structure is temperature controlled through serpentine groove 209.

[0025] The accompanying drawings which are incorporated in and constitute a part of this specification are illustrative of Figures 1-5The inner side wall of the lower cooling cavity 207 is fixedly connected with two groups of heating pipes 4, the bottom wall of the upper cooling cavity 208 is fixedly connected with an electric telescopic rod one 6, the output end of the electric telescopic rod one 6 is fixedly connected with a piston plate 5, the piston plate 5 is slidingly connected to the inner side wall of the upper cooling cavity 208, the water accumulation in the upper cooling cavity 208 is adjusted through the piston plate 5 to realize the control on the circulating speed of the cooling water, the inner side wall of the lower cooling cavity 207 is fixedly connected with an electric telescopic rod two 8, the output end of the electric telescopic rod two 8 is fixedly connected with a control block 7, the inner side of the control block 7 is provided with a flow-retarding block 9, the flow-retarding block 9 is fixedly connected to the bottom wall of the lower cooling cavity 207, the electric telescopic rod two 8 is started to drive the control block 7 to move, the two sides of the control block 7 are at the same height with a serpentine groove 209 located in the lower cooling cavity 207, the control block 7 is slidingly connected to the inner side wall of the lower cooling cavity 207, the working time of the heating pipes 4 is prolonged through the overlapping of the control block 7 and the water inlet end of the serpentine groove 209, through the cooperation of the upper mold frame 1 and the lower mold frame 2, the circulating pump 204 is started to make the cooling water enter the inside of the lower cooling cavity 207 through the circulating pipe two 205 and the lower cooling cylinder 206, at this time, the electric telescopic rod two 8 is started to drive the control block 7 to block the communication between the lower cooling cavity 207 and the serpentine groove 209, so that the cooling water is accumulated in the inside of the lower cooling cavity 207 to be heated by the heating pipes 4, and the heated cooling liquid is slowly passed through the serpentine groove 209 and the upper cooling cavity 208 through the movement of the control block 7, so that the heating of the shell 201 is realized, and the uneven forming caused by the overcooling of the injection liquid is avoided, and when cooling is needed, the heated cooling liquid in the inside of the lower cooling cavity 207 and the upper cooling cavity 208 is quickly circulated through the cooperation of the control block 7 and the piston plate 5, so that the gradual cooling is realized, so that the cooling time is reduced, the deformation is prevented, and the demolding efficiency is improved.

[0026] The utility model works:

[0027] Refer to the description attached Figures 1-5Before the injection liquid is required to enter the injection hole 3 and the inside of the shell 201 to be molded, the circulating pump 204 is started to make the cooling water enter the inside of the lower cooling cavity 207 through the circulating pipe two 205 and the lower cooling cylinder 206, the electric telescopic rod two 8 is started to drive the control block 7 to block the communication part of the lower cooling cavity 207 and the serpentine groove 209, so that the cooling water is accumulated in the inside of the lower cooling cavity 207 and is heated by the heating pipe 4 to increase the temperature, after the temperature of the cooling water is increased, the overlapping part of the lower cooling cavity 207 and the serpentine groove 209 is reduced by the movement of the electric telescopic rod two 8, so that the heated cooling liquid slowly passes through the serpentine groove 209 and the upper cooling cavity 208, so that the shell 201 is heated, thereby avoiding the uneven molding caused by the supercooling of the injection liquid, and when cooling is required, the electric telescopic rod two 8 is started to make the lower cooling cavity 207 and the serpentine groove 209 not overlap completely, and the electric telescopic rod one 6 is started to make the piston plate 5 lift to press the heated cooling liquid in the inside of the upper cooling cavity 208 into the inside of the upper cooling cylinder 202 to make it circulate through the circulating pipe two 205 and the circulating pipe one 203, and then the step-by-step cooling is realized through the cooperation of the upper cooling cylinder 202 and the lower cooling cylinder 206, at this time, the piston plate 5 is lowered again, so that the cooling liquid in the inside of the lower cooling cavity 207, the upper cooling cavity 208 and the serpentine groove 209 takes away the temperature in the inside of the shell 201 from three directions, thereby reducing the cooling time and preventing deformation to improve the demolding efficiency.

[0028] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, the described embodiments can be modified in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the present application.

Claims

1. A rapid demoulding injection mould frame comprising an upper mould frame (1), characterised in that: The surface of the upper die frame (1) is fixedly connected with an injection hole (3), the outer side of the upper die frame (1) is provided with a lower die frame (2), the lower die frame (2) comprises an outer shell (201) clamped on the outer side of the upper die frame (1), the top end of the outer shell (201) is fixedly connected with an upper cooling cylinder (202), one side of the upper cooling cylinder (202) is fixedly connected with a circulating pipe I (203), the bottom end of the circulating pipe I (203) is fixedly connected with a circulating pump (204) and the circulating pump (204) is fixedly connected with one side of the outer shell (201), the bottom end of the circulating pump (204) is fixedly connected with a circulating pipe II (205), the bottom end of the circulating pipe II (205) is fixedly connected with a lower cooling cylinder (206), the upper side of the lower cooling cylinder (206) is provided with a lower cooling cavity (207) and the inside of the lower cooling cavity (207) is fixedly connected with two groups of heating pipes (4).

2. A rapid demolding injection mold frame according to claim 1, characterized in that: The bottom end of the lower cooling cylinder (206) is fixedly connected with the outer shell (201), the upper side of the lower cooling cavity (207) is provided with an upper cooling cavity (208), and the upper cooling cavity (208) is arranged on the side of the outer shell (201) away from the upper die frame (1).

3. A rapid mold release injection mold frame according to claim 1, wherein: The inside of both ends of the outer shell (201) is provided with a serpentine groove (209), and the upper and lower ends of the serpentine groove (209) are communicated with the upper cooling cavity (208) and the lower cooling cavity (207) respectively.

4. A rapid demolding injection mold frame according to claim 2, characterized in that: The inner side wall of the lower cooling cavity (207) is fixedly connected with two groups of heating pipes (4), the bottom wall of the upper cooling cavity (208) is fixedly connected with an electric telescopic rod I (6), the output end of the electric telescopic rod I (6) is fixedly connected with a piston plate (5), and the piston plate (5) is slidingly connected with the inner side wall of the upper cooling cavity (208).

5. A rapid mold release injection mold frame according to claim 1, wherein: The inner side wall of the lower cooling cavity (207) is fixedly connected with an electric telescopic rod II (8), the output end of the electric telescopic rod II (8) is fixedly connected with a control block (7), and the inner side of the control block (7) is provided with a flow-retaining block (9), and the flow-retaining block (9) is fixedly connected with the bottom wall of the lower cooling cavity (207).

6. A rapid demolding injection mold frame according to claim 5, characterized in that: The two sides of the control block (7) are at the same height as the serpentine groove (209) in the lower cooling cavity (207), and the control block (7) is slidingly connected with the inner side wall of the lower cooling cavity (207).

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