A plastic artware forming mold

Abstract

The utility model relates to a kind of mould, specifically a kind of plastic handicraft forming die, the plastic handicraft forming die includes the upper die body and lower die body that cooperate to complete clamping, forming groove is set between upper die body and lower die body, sealing assembly is set to its seal outside forming groove, upper die body includes upper support plate and the top die fixed in the lower end surface of upper support plate, upper receiving groove and the sink in the inboard of upper receiving groove are set in the lower end surface of top die, lower die body includes lower support plate and the bottom die fixed in the upper end surface of lower support plate, movable slot is set in the upper end surface of bottom die, sealing assembly includes pressure spring being set in upper receiving groove and the fixed cap and inner embedded strip located below pressure spring.The plastic handicraft forming die can realize double sealing by inner embedded strip and inner sealing ring, so that sealing effect is better, effectively prevent material overflow in forming process, so that the quality of plastic handicraft after forming is higher, and good product rate is improved.

Description

Technical Field

[0001] This utility model relates to a mold, specifically a molding mold for plastic crafts. Background Technology

[0002] When processing plastic handicrafts, appropriate molding molds are required. Molding molds are used to process plastic materials into specific shapes. They are mainly used in injection molding processes. The mold cavity gives the material shape and size, ultimately forming the handicraft.

[0003] Existing plastic craft molding molds have complex structures and unreasonable designs. They typically only have one sealing structure between the upper and lower molds, resulting in poor sealing and consequently lower product quality and yield. Furthermore, during the actual molding process, the high material temperature during injection molding and the long molding time cause the sealing effect of the sealing structure to weaken over time, posing a risk of material overflow. In addition, the sealing structure on the molding mold usually seals from the same direction as the mold closing direction, resulting in a shallow sealing depth, making it unsuitable for processing some complex plastic craft structures and limiting its applicability. Therefore, the inventor has improved the structure of the plastic craft molding mold. Utility Model Content

[0004] The purpose of this utility model is to provide a plastic craft molding mold. This mold has a simple structure and reasonable design. It can achieve double sealing through the inner strip and inner sealing ring, which improves the sealing effect, effectively prevents material overflow during the molding process, and helps to improve the quality of the molded plastic craft, increase the yield rate, and extend the sealing depth. It can also maintain excellent sealing effect at higher temperatures and for longer periods of time, making it suitable for processing plastic crafts with more complex structures, thus expanding its application range and solving the problems mentioned in the above-mentioned technical background.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a plastic craft molding mold, comprising an upper mold body and a lower mold body that cooperate with each other to complete mold closing, a molding groove is provided between the upper mold body and the lower mold body, and a sealing component is provided on the outside of the molding groove for sealing thereto. The upper mold body includes an upper support plate and a top mold fixed to the lower end face of the upper support plate, an upper receiving groove and a recess located inside the upper receiving groove are provided on the lower end face of the top mold, and the lower mold body includes a lower support plate and a bottom mold fixed to the upper end face of the lower support plate, and a movable groove is provided on the upper end face of the bottom mold.

[0006] The sealing assembly includes a pressure spring disposed in the upper receiving groove, a fixed cap and an insert strip located below the pressure spring. The two ends of the pressure spring are connected to the top mold and the fixed cap, respectively. The insert strip is fixed to the end of the fixed cap near the bottom mold and extends from top to bottom through the upper receiving groove and into the movable groove. The insert strip contacts and connects with the inner wall of the movable groove, so the insert strip can perform a one-time seal on the outside of the forming groove. The sealing assembly also includes a fixed plate disposed in the movable groove and a return spring connected to the lower end face of the fixed plate. A sliding strip is connected to the end of the return spring away from the fixed plate, and a pressure rod is disposed at the end of the sliding strip near the return spring. The pressure rod extends from bottom to top through the fixed plate and to the top of the fixed plate, and the pressure rod is disposed directly below the insert strip for contact and connection with the insert strip.

[0007] Preferably, the settling tank has an inclined surface, which is inclined at an angle between 78° and 85°.

[0008] Preferably, the pressure spring is vertically positioned above the fixing cap, and the fixing cap is in contact with the inner wall of the upper receiving groove, so that the fixing cap and the inner strip can only move in the vertical direction under the action of the pressure spring, without wobbling.

[0009] Preferably, the sliding bar includes an adapter end and a pressure-bearing end and an inner sealing ring respectively fixed to both ends of the adapter end, and the sliding bar is slidably disposed in the movable groove. Under the action of the return spring, the sliding bar can slide in the movable groove.

[0010] Preferably, the end of the pressure-bearing end furthest from the adapter end is connected to both the return spring and the pressure rod. The adapter end is C-shaped. The end of the inner sealing ring furthest from the adapter end enters the settling tank and contacts the inner wall of the settling tank. The inner sealing ring can seal the settling tank and provide a secondary seal on the outside of the forming tank.

[0011] Preferably, the inner sealing ring is inclined, and the angle of inclination of the inner sealing ring is between 80° and 83°.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model provides a plastic craft molding die, which includes an upper mold body and a lower mold body that cooperate to complete mold closing. A molding groove is provided between the upper mold body and the lower mold body, and a sealing component is provided on the outside of the molding groove to seal it. The overall structure is simple and the design is reasonable. The upper mold body includes an upper support plate and a top mold fixed to the lower end face of the upper support plate. An upper receiving groove and a recess located inside the upper receiving groove are provided on the lower end face of the top mold. The lower mold body includes a lower support plate and a bottom mold fixed to the upper end face of the lower support plate. A movable groove is provided on the upper end face of the bottom mold. The sealing component includes a pressure spring disposed in the upper receiving groove and a fixing cap and an insert strip located below the pressure spring. The two ends of the pressure spring are respectively connected to the top mold and the lower mold. The fixed cap is connected, and the embedded strip is fixed to the end of the fixed cap near the bottom mold. The sealing assembly also includes a fixed plate set in the movable groove and a return spring connected to the lower end face of the fixed plate. A sliding strip is connected to the end of the return spring away from the fixed plate, and a pressure rod is set at the end of the sliding strip near the return spring. The pressure rod passes through the fixed plate from bottom to top and extends to the top of the fixed plate. During the mold closing process, the embedded strip moves downward and inserts into the movable groove, squeezing the entire sliding strip in the movable groove, pressing the inner sealing ring into the recess. The embedded strip and the inner sealing ring can achieve double sealing of the molding mold, making the sealing effect better, effectively preventing material overflow during the molding process, which is conducive to higher quality of the molded plastic crafts, improving the yield rate, and making it suitable for widespread use.

[0014] 2. The sliding strip in this utility model includes an adapter end and pressure-bearing ends and an inner sealing ring respectively fixed to both ends of the adapter end. The inner sealing ring is inclined, and the end of the inner sealing ring away from the adapter end enters the sink and contacts the inner wall of the sink, so that the inner sealing ring can seal the sink. The sealing is achieved by pressing the inclined inner sealing ring into the sink. Compared with the existing technology that seals in the vertical or horizontal direction, this solution can extend the sealing depth and maintain excellent sealing effect at higher temperatures and for longer periods of time. Therefore, it is suitable for processing plastic crafts with more complex structures, which improves the applicability of the molding die and is suitable for widespread use. Attached Figure Description

[0015] Figure 1 This is one of the main views of this utility model;

[0016] Figure 2 This is the second main view of the present utility model;

[0017] Figure 3 This is a cross-sectional view of the upper mold body of this utility model;

[0018] Figure 4 This utility model Figure 3 Enlarged view of A in the middle;

[0019] Figure 5 This is a sectional view of the lower mold body of this utility model;

[0020] Figure 6 This utility model Figure 5 Enlarged view of B in the middle;

[0021] Figure 7 This is a structural diagram of the present utility model.

[0022] The reference numerals and names in the figure are as follows: 1. Upper mold body; 11. Upper support plate; 12. Top mold; 121. Upper receiving groove; 122. Sinking groove; 1221. Inclined surface; 2. Lower mold body; 21. Lower support plate; 22. Bottom mold; 221. Movable groove; 3. Forming groove; 4. Sealing assembly; 41. Pressure spring; 42. Fixing cap; 43. Inner strip; 44. Fixing plate; 45. Return spring; 46. Sliding strip; 461. Pressure bearing end; 462. Adapter end; 463. Inner sealing ring; 47. Pressure rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] In the description of the embodiments of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing the embodiments of this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0025] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0026] Please see Figure 1 One embodiment of this utility model is a plastic craft molding mold, which includes an upper mold body 1 and a lower mold body 2 that cooperate with each other to complete the mold closing.

[0027] Please see Figure 2 A forming groove 3 is provided between the upper mold body 1 and the lower mold body 2, and a sealing component 4 is provided on the outside of the forming groove 3 to seal it.

[0028] Please see Figure 3 The upper mold body 1 includes an upper support plate 11 and a top mold 12 fixed to the lower end face of the upper support plate 11.

[0029] Please see Figure 4 An upper receiving groove 121 and a recessed groove 122 located inside the upper receiving groove 121 are provided on the lower end face of the top mold 12. The sealing assembly 4 includes a pressure spring 41 disposed in the upper receiving groove 121, a fixing cap 42 and an inner strip 43 located below the pressure spring 41. The two ends of the pressure spring 41 are respectively connected to the top mold 12 and the fixing cap 42, and the pressure spring 41 is vertically disposed above the fixing cap 42. The fixing cap 42 is in contact with the inner wall of the upper receiving groove 121, so that the fixing cap 42 and the inner strip 43 can only move in the vertical direction under the action of the pressure spring 41 and will not shake. The inner strip 43 is fixed to the end of the fixing cap 42 near the bottom mold 22, and the inner strip 43 passes through the upper receiving groove 121 from top to bottom. The recessed groove 122 has an inclined surface 1221, which is inclined and its inclination angle is between 78° and 85°.

[0030] Please see Figure 5 The lower mold body 2 includes a lower support plate 21 and a bottom mold 22 fixed to the upper surface of the lower support plate 21.

[0031] Please see Figure 6A movable groove 221 is provided on the upper end face of the bottom mold 22. The bottom of the insert strip 43 extends into the movable groove 221, and the insert strip 43 contacts and connects with the inner wall of the movable groove 221. Therefore, the insert strip 43 can perform a one-time seal on the outside of the molding groove 3. The sealing assembly 4 also includes a fixed plate 44 disposed in the movable groove 221 and a return spring 45 connected to the lower end face of the fixed plate 44. A sliding strip 46 is connected to the end of the return spring 45 away from the fixed plate 44. A pressure rod 47 is provided at the end of the sliding strip 46 near the return spring 45. The pressure rod 47 passes through the fixed plate 44 from bottom to top and extends to the fixed plate 45. Above plate 44, and pressure rod 47 is positioned directly below embedded strip 43 for contact and connection with embedded strip 43. Sliding strip 46 includes adapter end 462 and bearing end 461 and inner sealing ring 463 respectively fixed to both ends of adapter end 462. Sliding strip 46 is slidably disposed in movable groove 221. Under the action of return spring 45, sliding strip 46 can slide in movable groove 221. Sliding strip 46 is made of a flexible material; in this embodiment, it is made of rubber or silicone. The end of bearing end 461 away from adapter end 462 is connected to both return spring 45 and pressure rod 47. The inner sealing ring 463 is C-shaped, with the end furthest from the adapter end 462 entering the recess 122 and contacting the inner wall of the recess 122. Therefore, the inner sealing ring 463 can seal the recess 122 and provide a secondary seal on the outside of the molding groove 3. The inner sealing ring 463 is inclined, with an angle between 80° and 83°. Since both the inclined surface 1221 and the inner sealing ring 463 are inclined, the inner sealing ring 463 achieves a seal by being pressed into the recess 122 in an inclined state, which can extend the sealing depth and allow the molding mold to maintain its superior performance at higher temperatures and for longer periods. The good sealing effect makes it suitable for processing plastic crafts with more complex structures. In addition, during the mold closing process, the insert strip 43 moves downward and inserts into the movable groove 221, squeezing the sliding strip 46 in the movable groove 221 as a whole. The pressure end 461, the transition end 462 and the inner sealing ring 463 all slide towards the recess 122, and finally press the inner sealing ring 463 into the recess 122. It can be seen that the double sealing of the molding mold can be achieved by the insert strip 43 and the inner sealing ring 463, so that the sealing effect is better, effectively preventing material overflow during the molding process, and improving the quality and yield of plastic crafts.

[0032] Please see Figure 7 The sliding bar 46 is ring-shaped and located on the outside of the forming groove 3.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A plastic craft molding die, comprising an upper mold body (1) and a lower mold body (2) that cooperate to complete mold closing, characterized in that: A forming groove (3) is provided between the upper mold body (1) and the lower mold body (2). A sealing component (4) is provided on the outside of the forming groove (3) to seal it. The upper mold body (1) includes an upper support plate (11) and a top mold (12) fixed to the lower end face of the upper support plate (11). The lower end face of the top mold (12) is provided with an upper receiving groove (121) and a sink groove (122) located inside the upper receiving groove (121). The lower mold body (2) includes a lower support plate (21) and a bottom mold (22) fixed to the upper end face of the lower support plate (21). The upper end face of the bottom mold (22) is provided with a movable groove (221). The sealing assembly (4) includes a pressure spring (41) disposed in the upper receiving groove (121), a fixing cap (42) and an insert strip (43) located below the pressure spring (41). The two ends of the pressure spring (41) are respectively connected to the top mold (12) and the fixing cap (42). The insert strip (43) is fixed to the end of the fixing cap (42) near the bottom mold (22), and the insert strip (43) passes through the upper receiving groove (121) from top to bottom and extends into the movable groove (221). The insert strip (43) is connected to the inner wall of the movable groove (221). The sealing assembly (4) also includes a fixed plate (44) disposed in the movable groove (221) and a return spring (45) connected to the lower end face of the fixed plate (44). The end of the return spring (45) away from the fixed plate (44) is connected to a sliding strip (46). The end of the sliding strip (46) near the return spring (45) is provided with a pressure rod (47). The pressure rod (47) passes through the fixed plate (44) from bottom to top and extends to the top of the fixed plate (44). The pressure rod (47) is located directly below the embedded strip (43).

2. The plastic craft molding die according to claim 1, characterized in that: The settling tank (122) has an inclined surface (1221), which is inclined at an angle between 78° and 85°.

3. The plastic craft molding die according to claim 1, characterized in that: The pressure spring (41) is vertically positioned above the fixing cap (42), and the fixing cap (42) is in contact with the inner wall of the upper receiving groove (121).

4. The plastic craft molding die according to claim 1, characterized in that: The sliding bar (46) includes an adapter end (462) and a pressure-bearing end (461) and an inner sealing ring (463) respectively fixed at both ends of the adapter end (462), and the sliding bar (46) is slidably disposed in the movable groove (221).

5. A plastic craft molding die according to claim 4, characterized in that: The end of the pressure-bearing end (461) away from the adapter end (462) is connected to both the return spring (45) and the pressure rod (47). The adapter end (462) is C-shaped. The end of the inner sealing ring (463) away from the adapter end (462) enters the sink (122) and contacts the inner wall of the sink (122).

6. A plastic craft molding die according to claim 4, characterized in that: The inner sealing ring (463) is inclined, and the angle of inclination of the inner sealing ring (463) is between 80° and 83°.

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