Strip-shaped part injection mold

Abstract

The strip-shaped part injection mold comprises a fixed plate, a fixed mold plate, a movable mold plate, a supporting plate and a bottom plate which are sequentially arranged from left to right, cavities are formed in the sides, close to each other, of the fixed mold plate and the movable mold plate, the cavities are strip-shaped, cooling water channels are formed in the fixed mold plate and the movable mold plate correspondingly, and each cooling water channel comprises a first water channel and a second water channel; the first water channels are parallel to the length direction of the cavity, the second water channels are perpendicular to the first water channels and communicate with the first water channels, plugs are arranged at the two ends of each second water channel, and at least one water inlet and at least one water outlet are formed in the two ends of each first water channel correspondingly. The first water channel is further provided with a plug. The communicated second water channel is arranged on the first water channel, meanwhile, the plugs are arranged at the two ends of the second water channel, the first water channel can be communicated in a penetrating mode through the second water channel, machining and installation are convenient, convergence of inflow water or outflow water is facilitated, and the cooling effect is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of molds, in particular to a strip-shaped part injection mold. BACKGROUND

[0002] Injection molding, also known as injection molding, is a molding method of injection and molding. Injection molding needs to be carried out at a certain temperature, and completely molten plastic materials are stirred by a screw rod, injected into a mold cavity at high pressure, and obtained after cooling and solidification.

[0003] Injection molding can be roughly divided into the following steps: clamping, injecting glue, pressure maintaining, cooling, opening the mold, and taking out. The advantages of the injection molding method are high production speed and efficiency, automatic operation, various colors and shapes, simple to complex shapes, and small to large sizes. The product size is accurate, and the injection molding method can be used for the molding processing of mass production or complex-shaped products, and is one of the important processing methods.

[0004] The general structure of the injection mold includes a fixed mold and a movable mold. The mold cavity is arranged between the fixed mold and the movable mold. The cooling water channel is arranged in the fixed mold and the movable mold. The cooling water flows in the cooling water channel to improve the cooling efficiency of the mold cavity. At present, the cooling water channel of the injection mold is generally arranged in a transverse direction. The water nozzle and the pipeline are arranged on both sides of the mold to connect the cooling channels and realize the reciprocating flow of the cooling water. This method has low cooling efficiency, and the arrangement direction of the cooling water channel needs to be considered for some strip-shaped parts. Therefore, a strip-shaped part injection mold needs to be designed. Practical new type content

[0005] The application provides a strip-shaped part injection mold which is convenient to process and manufacture and has high cooling efficiency.

[0006] The application provides a strip-shaped part injection mold which adopts the following technical scheme:

[0007] A strip-shaped part injection mold comprises a fixed plate, a fixed mold plate, a movable mold plate, a support plate and a bottom plate arranged in sequence from left to right. The fixed mold plate and the movable mold plate are provided with a mold cavity on the side close to each other. The mold cavity is strip-shaped. The fixed mold plate and the movable mold plate are both provided with a cooling water channel. The cooling water channel comprises a first water channel and a second water channel. The first water channel is in the form of a plurality of parallel lines arranged in the length direction of the mold cavity. The second water channel is perpendicular to the first water channel and is connected to the plurality of first water channels. The two ends of the second water channel are both provided with a plug. The two ends of the plurality of first water channels are respectively provided with at least one water inlet and at least one water outlet. The first water channel is also provided with the plug.

[0008] Preferably, the first water channel and the second water channel are arranged through the fixed mold plate or the movable mold plate.

[0009] Preferably, the fixed plate is connected with the fixed mold plate, a feeding port is embedded on the fixed plate, a flow distribution groove is arranged on the fixed mold plate close to one side of the movable mold plate, the end of the feeding port is connected with the flow distribution groove, the movable mold plate is connected with the support plate, the support plate is arranged between the movable mold plate and the bottom plate, the support plate is two pieces and a material pushing plate is arranged between the two pieces of support plates, the material pushing plate is provided with a material pushing rod and the material pushing rod is connected with the flow distribution groove.

[0010] Preferably, the flow distribution groove is a strip-shaped groove, a plurality of branches are arranged on the flow distribution groove and the branches are connected with the cavity, and the end of the feeding port and the material pushing rod are respectively located on two sides of the flow distribution groove.

[0011] Preferably, the bottom plate is provided with an ejection drive away from the support plate, the output end of the ejection drive penetrates through the bottom plate and is connected with the material pushing plate, a positioning column is arranged between the material pushing plate and the movable mold plate, and the material pushing plate penetrates through the positioning column.

[0012] Preferably, a reset spring is arranged between the material pushing plate and the movable mold plate, a groove is arranged on one side of the movable mold plate close to the support plate, one end of the reset spring is located in the groove, and the other end of the reset spring abuts against the material pushing plate.

[0013] Preferably, the material pushing plate is two pieces of plates connected with each other, and recessed holes are arranged on the sides of the two pieces of plates close to each other, one end of the material pushing rod is embedded in the recessed hole, and the other end of the material pushing rod penetrates through the movable mold plate.

[0014] Preferably, direction marks are arranged on the fixed plate, the fixed mold plate, the movable mold plate, the support plate, the bottom plate and the material pushing plate.

[0015] In summary, the present application has at least one of the following beneficial technical effects:

[0016] 1. The present application sets cooling water channels in the fixed mold plate and the movable mold plate, sets the cooling water channels as first water channels and second water channels, sets the first water channels parallel to the strip-shaped cavity, can improve the cooling effect of the cavity and improve the production efficiency, sets the second water channels communicated with the first water channels, sets plugs at two ends of the second water channels, can communicate the first water channels through the second water channels, is convenient for machining and installation, is beneficial for water inflow or outflow convergence, improves the water inflow or outflow efficiency, improves the cooling effect, and sets the first water channels and the second water channels as penetrating the fixed mold plate or the movable mold plate, which is convenient for machining and manufacturing.

[0017] 2. By setting the feed port on the fixed plate and connecting the feed port with the distribution groove on the fixed mold plate, the molten material is stably sent into the cavity, ensuring stable molding; by setting the ejection plate and the ejection rod between the support plates, the molded product can be ejected, facilitating discharging; by setting the feed port and the ejection rod on the two sides of the distribution groove, the distribution groove is connected with the cavity, ensuring the molding effect and the ejection effect; by setting the positioning column between the ejection plate and the movable mold plate, the stable action of the ejection plate is ensured, ensuring the ejection effect; by setting the reset spring between the ejection plate and the movable mold plate, the ejection plate and the ejection rod can be reset by the reset spring, facilitating injection molding; by setting the ejection plate as two pieces and embedding the ejection plate between the two ejection plates, installation and processing are facilitated.

[0018] 3. By setting the direction mark on the fixed plate, the fixed mold plate, the movable mold plate, the support plate, the bottom plate and the ejection plate, the installation direction of each plate is ensured, facilitating installation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structure schematic diagram of a strip-shaped part injection mold in the preferred embodiment of the present application.

[0020] Figure 2 is a structure schematic diagram of another view of a strip-shaped part injection mold in the preferred embodiment of the present application.

[0021] Figure 3 is an exploded view of a strip-shaped part injection mold in the preferred embodiment of the present application.

[0022] Figure 4 is a structure schematic diagram of a movable mold plate in the preferred embodiment of the present application.

[0023] Figure 5 is a sectional view of a movable mold plate in the preferred embodiment of the present application.

[0024] Explanation of reference signs: 1, fixed plate; 101, feed port; 2, fixed mold plate; 3, movable mold plate; 301, groove; 4, support plate; 5, bottom plate; 6, cavity; 7, cooling water channel; 701, first water channel; 702, second water channel; 8, plug; 9, water inlet; 10, water outlet; 11, distribution groove; 12, ejection plate; 1201, ejection rod; 1202, positioning column; 13, reset spring; 14, direction mark. DETAILED DESCRIPTION

[0025] The present application will be further described in detail below with reference to the accompanying drawings.

[0026] The embodiment of the present application discloses a strip-shaped part injection mold.

[0027] Reference Figures 1 to 5The utility model provides a kind of strip-shaped part injection mold, including fixed plate 1, fixed plate 2, movable plate 3, support plate 4 and bottom plate 5 arranged in sequence from left to right, fixed plate 2 and movable plate 3 are provided with cavity 6 on the side of each other close, cavity 6 is strip-shaped, cooling water channel 7 is provided in fixed plate 2 and movable plate 3, cooling water channel 7 includes first water channel 701 and second water channel 702, first water channel 701 and second water channel 702 are all arranged through fixed plate 2 or movable plate 3, first water channel 701 is multiple and multiple first water channel 701 is arranged parallel to the length direction of cavity 6, second water channel 702 is perpendicular to first water channel 701 and second water channel 702 is communicated with multiple first water channel 701, the both ends of second water channel 702 are provided with plug 8, the both ends of multiple first water channel 701 are provided with at least one water inlet 9 and at least one water outlet 10, plug 8 is also provided on first water channel 701, specifically, the water inlet 9 and water outlet 10 in the embodiment are all single and staggered arrangement.

[0028] Refer to Figure 2 And Figure 3 Fixed plate 1 is connected with fixed plate 2, and a feeding port 101 is embedded on the fixed plate 1. The fixed plate 2 is provided with a flow distribution groove 11 on the side close to the movable plate 3. The end of the feeding port 101 is connected with the flow distribution groove 11. The movable plate 3 is connected with the support plate 4. The support plate 4 is arranged between the movable plate 3 and the bottom plate 5. The support plate 4 is provided with a top plate 12 between the two support plates 4. The top plate 12 is provided with a top rod 1201, and the top rod 1201 is connected with the flow distribution groove 11. The fixed plate 1, the fixed plate 2, the movable plate 3, the support plate 4, the bottom plate 5, and the top plate 12 are all provided with a direction mark 14. The direction mark 14 in the embodiment is an L-shaped groove arranged at a corner of the fixed plate 1, the fixed plate 2, the movable plate 3, the support plate 4, the bottom plate 5, or the top plate 12, which facilitates distinguishing the installation direction.

[0029] Refer to Figures 3 to 5 The flow distribution groove 11 is a strip-shaped groove. The flow distribution groove 11 is provided with multiple branches and is connected with the cavity 6 through the branches. The end of the feeding port 101 and the top rod 1201 are located on the two sides of the flow distribution groove 11, respectively. The bottom plate 5 is provided with an ejection drive on the side away from the support plate 4. The output end of the ejection drive penetrates through the bottom plate 5 and is connected with the top plate 12. The top plate 12 and the movable plate 3 are provided with a positioning column 1202. The top plate 12 penetrates through the positioning column 1202. The top plate 12 and the movable plate 3 are provided with a return spring 13. The movable plate 3 is provided with a groove 301 on the side close to the support plate 4. One end of the return spring 13 is located in the groove 301. The other end of the return spring 13 abuts against the top plate 12. Specifically, the top plate 12 is provided with two plates connected with each other. The two plates are provided with a recess on the side close to each other. One end of the top rod 1201 is embedded in the recess. The other end of the top rod 1201 penetrates through the movable plate 3.

[0030] The implementation principle is that the cooling water channel 7 is arranged in the fixed mold plate 2 and the movable mold plate 3, the cooling water channel 7 is arranged as the first water channel 701 and the second water channel 702, the first water channel 701 is arranged in parallel with the strip-shaped cavity 6, the cooling effect of the cavity 6 can be improved, and the production efficiency is improved; the second water channel 702 is arranged in communication on the first water channel 701, and the plug 8 is arranged at both ends of the second water channel 702, the first water channel 701 can be communicated through the second water channel 702, the machining and installation are facilitated, the water inflow or outflow is conducive to confluence, the water inflow or outflow efficiency is improved, and the cooling effect is improved; the first water channel 701 and the second water channel 702 are arranged in penetration of the fixed mold plate or the movable mold plate, and the machining and manufacturing are facilitated.

[0031] The above are preferred embodiments of the application, and are not intended to limit the protection scope of the application, so: equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A strip part injection mold characterized by: The mould includes a fixed plate (1), a fixed die plate (2), a movable die plate (3), a support plate (4) and a bottom plate (5) arranged in sequence from left to right, the fixed die plate (2) and the movable die plate (3) are provided with a cavity (6) on the side close to each other, the cavity (6) is strip-shaped, the fixed die plate (2) and the movable die plate (3) are both provided with cooling water channels (7), the cooling water channels (7) include first water channels (701) and second water channels (702), the first water channels (701) are multiple and arranged in parallel to the length direction of the cavity (6), the second water channels (702) are perpendicular to the first water channels (701) and connected with the multiple first water channels (701), the two ends of the second water channels (702) are provided with plugs (8), the two ends of the multiple first water channels (701) are respectively provided with at least one water inlet (9) and at least one water outlet (10), the first water channels (701) are also provided with the plugs (8).

2. A strip part injection mold according to claim 1, characterized in that: The first water channels (701) and the second water channels (702) both penetrate the fixed die plate (2) or the movable die plate (3).

3. A strip part injection mold according to claim 1, characterized in that: The fixed plate (1) is connected with the fixed die plate (2), the fixed plate (1) is embedded with a feeding port (101), the fixed die plate (2) and the movable die plate (3) are both provided with a flow distribution groove (11) on the side close to each other, the end of the feeding port (101) is connected with the flow distribution groove (11), the movable die plate (3) is connected with the support plate (4), the support plate (4) is arranged between the movable die plate (3) and the bottom plate (5), the support plate (4) is two pieces and a top plate (12) is arranged between the two support plates (4), the top plate (12) is provided with a top rod (111) and the top rod (111) is connected with the flow distribution groove (11).

4. A strip part injection mold according to claim 3, characterized in that: The flow distribution groove (11) is a strip-shaped groove, the flow distribution groove (11) is provided with multiple branches and connected with the cavity (6) through the branches, the feeding port (101) and the top rod (111) are respectively located on the two sides of the flow distribution groove (11).

5. A strip part injection mold according to claim 3, characterized in that: The bottom plate (5) is provided with an ejection drive on the side away from the support plate (4), the output end of the ejection drive penetrates the bottom plate (5) and is connected with the top plate (12), the top plate (12) and the movable die plate (3) are provided with a positioning column (1202), the top plate (12) penetrates the positioning column (1202).

6. A strip part injection mold according to claim 5, characterized in that: The top plate (12) and the movable die plate (3) are provided with a reset spring (13), the movable die plate (3) is provided with a groove (301) on the side close to the support plate (4), one end of the reset spring (13) is located in the groove (301), the other end of the reset spring (13) abuts against the top plate (12).

7. A strip part injection mold according to claim 5, characterized in that: The top plate (12) is two pieces of plates connected with each other and provided with a recess on the side close to each other, one end of the top rod (111) is embedded in the recess, the other end of the top rod (111) penetrates the movable die plate (3).

8. A strip part injection mold according to claim 3, characterized in that: Directional signs (14) are provided on the fixed plate (1), the fixed mold plate (2), the movable mold plate (3), the support plate (4), the bottom plate (5) and the top material plate (12).

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