Plastic product forming mold

Abstract

The utility model relates to the technical field of plastic forming molds, and discloses a plastic product forming mold which comprises an upper fixing seat, a lower fixing seat and a base, a fixed mold groove is formed in the middle of the bottom end of the upper fixing seat, and a fixed mold seat is fixedly arranged in the fixed mold groove of the upper fixing seat. A movable mold groove is formed in the middle of the upper end of the lower fixing base, a movable mold base is fixedly arranged in the movable mold groove of the lower fixing base, and a groove is formed in the middle of the bottom end of the lower fixing base. According to the efficient cooling forming device, in actual use, the efficient cooling forming structure is arranged, so that compared with a traditional metal heat conduction mode, heat conduction is conducted through a heat pipe, the cooling forming efficiency is greatly improved, and the machining efficiency of the device is improved; and after the device has injection molding and mold splitting operation, material returning operation is automatically carried out, and the working efficiency of equipment is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic molding dies, in particular to a plastic product molding die. Background Art

[0002] With the development of industry and the popularization of plastic products, special plastic molding molds are usually required in plastic processing to carry out product molding and production.

[0003] However, existing plastic product molding molds have certain defects in actual use, which are usually reflected in the fact that there is an upper limit on the efficiency of cooling molding during use of existing molding molds. Therefore, technical personnel in this field provide a plastic product molding mold to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a plastic product molding mold. The plastic product molding mold designed solves the problem that the efficiency of the existing molding molds has an upper limit on cooling molding during use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A plastic product forming mold, comprising an upper fixed seat, a lower fixed seat and a base, wherein a fixed mold groove is provided at the middle position of the bottom end of the upper fixed seat, the upper fixed seat is fixedly provided with a fixed mold seat in the fixed mold groove, a movable mold groove is provided at the middle position of the upper end of the lower fixed seat, the lower fixed seat is fixedly provided with a movable mold seat in the movable mold groove, a groove is provided at the middle position of the bottom end of the lower fixed seat, a cooling water tank is fixedly connected to the middle position of the lower fixed seat in the groove, and the lower fixed seat is fixedly connected to the bottom end of the movable mold groove at an equal distance A plurality of heat-conducting heat pipes are fixedly arranged, and matching grooves are provided at the positions of the plurality of heat-conducting heat pipes corresponding to the bottom end of the movable mold seat, and the plurality of matching grooves are matched with the plurality of heat-conducting heat pipes, and the ends of the plurality of heat-conducting heat pipes away from the movable mold seat are all passed through the lower fixed seat and the cooling water tank to the cooling water tank, a water inlet pipe is fixedly arranged at a position on one side of the lower fixed seat, and a water outlet pipe is fixedly arranged at a position close to the water inlet pipe on one side of the lower fixed seat, and the water inlet pipe and the water outlet pipe are all passed through the lower fixed seat and fixedly connected to the output end and input end of the cooling water tank;

[0007] Through the above technical scheme, when the device of this design is actually used, the efficient cooling molding structure is set up, so that the device performs heat conduction cooling compared to traditional metal heat conduction, and adopts the form of heat pipe heat conduction, which greatly improves the efficiency of cooling and molding and improves the processing efficiency of the equipment.

[0008] Furthermore, a cavity is provided at the middle position of the upper end of the movable mold seat and the fixed mold seat, an assembly seat is fixedly connected at the middle position of the upper end of the base, a mounting seat is provided at the upper end of the assembly seat, the upper end of the mounting seat is fixedly connected to a limiting sliding rod near the middle position of the two side edges, the upper end of the mounting seat is fixedly connected to a material return rod near the middle position of the four side edges, the lower fixed seat is located at the lower end of the movable mold groove and the movable mold seat is located inside the cavity and corresponds to the position of the multiple material return rods. The multiple material return grooves are matched with the multiple material return rods, and a pair of limiting sleeves are provided at the position where the rod body of the multiple material return rods is located between the groove and the mounting seat for limited sliding, and a return spring is sleeved at the position where the rod body of the multiple material return rods is located between the pair of limiting sleeves;

[0009] Through the above technical solution, when the device of this design is actually used, the automatic material return structure is set up so that the device can automatically return the material after the injection molding mold separation operation, thereby greatly improving the working efficiency of the equipment.

[0010] Further, second limiting sliding grooves are provided at the middle positions of the four sides of the fixed mold seat, and the upper fixed seat is fixedly connected with second limiting sliding blocks at the middle positions of the four sides of the fixed mold groove, and a plurality of the second limiting sliding blocks are mutually limitedly slidably matched with a plurality of the second limiting sliding grooves;

[0011] Through the above technical solution, the second limiting sliding groove and the second limiting sliding block as well as the limiting sliding matching relationship between the two are set, which makes it convenient to replace the fixed mold seat in the fixed mold groove according to needs.

[0012] Further, the movable mold seat is provided with a first limiting sliding groove at the middle position of the four sides, and the lower fixed seat is provided with a first limiting sliding block at the middle position of the four sides of the movable mold groove, and the first limiting sliding blocks are mutually limited and slidably matched with the first limiting sliding grooves;

[0013] Through the above technical solution, the first limiting sliding groove and the first limiting sliding block as well as the limiting sliding matching relationship between the two are provided, which facilitates the replacement of the movable mold seat in the movable mold groove according to needs.

[0014] Furthermore, a limiting slide rail is provided at the position of the upper end of the lower fixed seat corresponding to the pair of limiting slide bars, the top ends of the pair of limiting slide bars are fixedly connected to limiting protrusions, and the pair of limiting protrusions are mutually limitedly slidably matched with the pair of limiting slide rails;

[0015] Through the above technical solution, the limiting slide rod arranged on the mounting seat and the corresponding limiting slide rails and limiting protrusions cooperating with the limiting slide rails on the lower fixed seat are convenient for driving the lower fixed seat to continue the mold splitting operation during the mold splitting operation.

[0016] Furthermore, the four corners of the bottom end of the upper fixed seat are fixedly connected with positioning columns, and the four corners of the upper end of the lower fixed seat are provided with positioning grooves at positions corresponding to the multiple positioning columns, and the multiple positioning columns and the multiple positioning grooves are mutually limited and slidably matched;

[0017] Through the above technical solution, the positioning column, the positioning groove and the matching relationship between the two can ensure the accuracy of the mold when closing and opening the mold.

[0018] Furthermore, an injection molding channel is fixedly arranged at the middle position of the upper end of the upper fixed seat, and hydraulic telescopic rods are fixedly arranged at the four corners of the bottom end of the base;

[0019] Through the above technical solution, the injection channel is set up, which makes it convenient for the injection molding equipment to inject the molten plastic into the mold cavity along the injection channel, and the hydraulic telescopic rod set on the base is convenient to provide kinetic energy for the mold closing and parting actions of the equipment.

[0020] Further, a circular groove is provided at the middle position of the bottom end of the base, a push rod is fixedly connected at the middle position of the bottom end of the mounting seat, the push rod slides through the assembly seat, a plurality of limit grooves are equidistantly provided on the side of the rod body of the push rod, and a limit block is fixedly connected at the position corresponding to the plurality of limit grooves inside the assembly seat, and the plurality of limit blocks are mutually limited and slidably matched with the plurality of limit grooves;

[0021] Through the above technical scheme, the circular groove, the ejector rod, and the limiting sliding relationship between the ejector rod and the assembly seat are set, which facilitates the use of the ejector rod to provide power to the material return structure when the equipment is demolding. The matching relationship between the set limiting groove and the limiting block ensures the stability of the material return action during the process.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, a high-efficiency cooling molding structure of the device is formed by setting a matching groove, a heat-conducting heat pipe, a cooling water tank, a water inlet pipe and a water outlet pipe. In this structure, when the equipment is molded and injection molding is performed, the heat emitted by the molding material in the cavity will quickly pass through the heat-conducting heat pipe in the matching groove and be absorbed by the condensing agent in the heat-conducting heat pipe. When the condensing agent in the heat-conducting heat pipe is heated, it will evaporate into a gaseous state and flow to one side of the cooling water tank, and release the heat under the cold water in the cooling water tank, and condense into a liquid state, and repeat this cycle continuously, so as to quickly guide the heat in the cavity into the cooling water tank. The water inlet pipe and the water outlet pipe are set to facilitate the circulation and replacement of the cold water in the cooling water tank. The overall design makes the device, compared with the traditional metal heat conduction for heat conduction cooling, adopt the form of heat pipe heat conduction, which greatly improves the efficiency of cooling molding and improves the processing efficiency of the equipment.

[0024] 2. In the utility model, an automatic material return structure of the device is formed by the provided material return rod, material return groove, return spring, ejector rod, limit slide rod, limit protrusion and limit slide rail. In this structure, when the device completes injection molding and performs mold separation, as the lower fixed seat moves backward as a whole, when the end of the ejector rod reaches the boundary of the injection molding equipment, the mounting seat will be supported when the equipment continues the mold separation action. At this time, the limit slide rod with the limit protrusion in the limit slide rail of the lower fixed seat will enable the lower fixed seat to continue the mold separation action through the limit matching relationship between the limit protrusion and the limit slide rail. At this time, the material return rod on the supported mounting seat will push the molded product out of the cavity through the material return groove. The overall structural design enables the device to automatically perform the material return operation after the injection molding mold separation operation, thereby greatly improving the working efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is an isometric view of a plastic product forming mold proposed by the utility model;

[0026] Figure 2 This is an axonometric view from a bottom up angle of a plastic product forming mold proposed by the utility model;

[0027] Figure 3 This is a front cross-sectional view of a plastic product forming mold proposed by the utility model;

[0028] Figure 4 This is a side sectional view of a plastic product forming mold proposed by the utility model;

[0029] Figure 5 for Figure 1 The enlarged schematic diagram of point A in the middle;

[0030] Figure 6 for Figure 1 The enlarged schematic diagram of point B in the middle;

[0031] Figure 7 for Figure 2 The enlarged schematic diagram of the center C;

[0032] Figure 8 for Figure 2 Enlarged schematic diagram of point D in the middle.

[0033] Legend:

[0034] 1. Upper fixed seat; 2. Lower fixed seat; 3. Moving mold seat; 4. Injection channel; 5. Positioning column; 6. Water inlet pipe; 7. Water outlet pipe; 8. Mounting seat; 9. Assembly seat; 10. Base; 11. Hydraulic telescopic rod; 12. Cavity; 13. Ejection rod; 14. Reset spring; 15. Limit sleeve; 16. Limit slide bar; 17. Fixed mold seat; 18. Ejector rod; 19. Limit groove; 20. Circular groove; 21. Cooling water tank; 22. Heat-conducting heat pipe; 23. Limit slide rail; 24. Limit convex block; 25. Positioning groove; 26. Matching groove; 27. Ejection groove; 28. First limit slide; 29. ​​First limit slide groove; 30. Moving mold groove; 31. Limit block; 32. Second limit slide groove; 33. Second limit slide bar; 34. Fixed mold groove; 35. Groove. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Reference Figure 1-8 The utility model provides an embodiment: a plastic product molding mold, including an upper fixed seat 1, a lower fixed seat 2 and a base 10, a fixed mold groove 34 is opened at the middle position of the bottom end of the upper fixed seat 1, and a fixed mold seat 17 is fixedly arranged in the fixed mold groove 34 of the upper fixed seat 1, a movable mold groove 30 is opened at the middle position of the upper end of the lower fixed seat 2, and a movable mold seat 3 is fixedly arranged in the movable mold groove 30 of the lower fixed seat 2, a groove 35 is opened at the middle position of the bottom end of the lower fixed seat 2, and a cooling water tank 21 is fixedly connected to the middle position of the lower fixed seat 2 located in the groove 35, and the lower fixed seat 2 is located at the bottom of the movable mold groove 30. A plurality of heat-conducting heat pipes 22 are fixedly arranged at equal distances at the end positions, and matching grooves 26 are opened at the bottom end of the movable mold base 3 at the positions corresponding to the plurality of heat-conducting heat pipes 22. The plurality of matching grooves 26 cooperate with the plurality of heat-conducting heat pipes 22. The ends of the plurality of heat-conducting heat pipes 22 away from the movable mold base 3 all pass through the lower fixed base 2 and the cooling water tank 21 to the cooling water tank 21. A water inlet pipe 6 is fixedly arranged at a position on one side of the lower fixed base 2, and a water outlet pipe 7 is fixedly arranged at a position close to the water inlet pipe 6 on one side of the lower fixed base 2. The water inlet pipe 6 and the water outlet pipe 7 both pass through the lower fixed base 2 and are fixedly connected to the output and input ends of the cooling water tank 21.

[0037] A cavity 12 is provided at the middle position of the upper end of the movable mold seat 3 and the fixed mold seat 17, an assembly seat 9 is fixedly connected at the middle position of the upper end of the base 10, a mounting seat 8 is provided at the upper end of the assembly seat 9, and a limiting slide rod 16 is fixedly connected to the upper end of the mounting seat 8 near the middle position of the two side edges, and a material return rod 13 is fixedly connected to the upper end of the mounting seat 8 near the middle position of the four side edges, and a material return groove 27 is provided at the lower end of the lower fixed seat 2 located at the movable mold groove 30 and the movable mold seat 3 is located inside the cavity 12 and corresponds to the position of multiple material return rods 13, and the multiple material return grooves 27 cooperate with the multiple material return rods 13, and the rod bodies of the multiple material return rods 13 are located at the position between the groove 35 and the mounting seat 8. A pair of limiting sleeves 15 are provided for limiting sliding, and the rod bodies of the multiple material return rods 13 are located between the pair of limiting sleeves 15. A reset spring 14 is sleeved at the position.

[0038] A second limiting slide groove 32 is provided at the middle position of the four sides of the fixed mold seat 17, and a second limiting slider 33 is fixedly connected to the middle position of the four sides of the upper fixed seat 1 located at the middle position of the four sides of the fixed mold groove 34. Multiple second limiting sliders 33 are mutually limited and slidably matched with multiple second limiting slide grooves 32. A first limiting slide groove 29 is provided at the middle position of the four sides of the movable mold seat 3, and a first limiting slider 28 is provided at the middle position of the four sides of the lower fixed seat 2 located at the middle position of the four sides of the movable mold groove 30. Multiple first limiting sliders 28 are mutually limited and slidably matched with multiple first limiting slide grooves 29. A limiting slide rail 23 is provided at the position of the upper end of the lower fixed seat 2 corresponding to a pair of limiting slide rods 16, and the top ends of the pair of limiting slide rods 16 are fixedly connected to the limiting protrusion 24, and the pair of limiting protrusions 24 are mutually limited with the pair of limiting slide rails 23 The upper fixed seat 1 is fixedly connected with a positioning column 5 at the four corners of the bottom end, and a positioning groove 25 is provided at the four corners of the upper end of the lower fixed seat 2 corresponding to the positions of the multiple positioning columns 5. The multiple positioning columns 5 are mutually limited and slidably matched with the multiple positioning grooves 25. An injection molding path 4 is fixedly arranged at the middle position of the upper end of the upper fixed seat 1, and a hydraulic telescopic rod 11 is fixedly arranged at the four corners of the bottom end of the base 10. A circular groove 20 is provided at the middle position of the bottom end of the base 10. A push rod 18 is fixedly connected to the middle position of the bottom end of the mounting seat 8. The push rod 18 slides through the assembly seat 9, and a plurality of limiting grooves 19 are equidistantly provided on the side of the rod body of the push rod 18. The internal position of the assembly seat 9 corresponding to the plurality of limiting grooves 19 is fixedly connected with a limiting block 31, and the plurality of limiting blocks 31 are mutually limited and slidably matched with the plurality of limiting grooves 19.

[0039] Working principle: This design is a plastic product molding mold. In actual use, when the equipment is molded and injection molding is being performed, the heat emitted by the molding material in the cavity 12 will quickly pass through the heat-conducting heat pipe 22 in the matching groove 26 and be absorbed by the condensing agent in the heat-conducting heat pipe 22. When the condensing agent in the heat-conducting heat pipe 22 is heated, it will evaporate into a gaseous state and flow to one side of the cooling water tank 21. Under the cold water in the cooling water tank 21, the heat will be released and condensed into a liquid state. This cycle will be repeated continuously to quickly guide the heat in the cavity 12 into the cooling water tank 21. The water inlet pipe 6 and the water outlet pipe 7 are provided to facilitate the circulation and replacement of the cold water in the cooling water tank 21. The overall design enables the device to conduct heat cooling by heat pipes compared to traditional metal heat conduction. The form greatly improves the efficiency of cooling and molding, and improves the processing efficiency of the equipment. When the device completes injection molding and performs mold separation, as the lower fixed seat 2 moves backward as a whole, when the end of the ejector 18 reaches the boundary of the injection molding equipment, the mounting seat 8 will be pressed when the equipment continues the mold separation action. At this time, the limiting slide bar 16 with the limiting protrusion 24 in the limiting slide rail 23 of the lower fixed seat 2 will enable the lower fixed seat 2 to continue the mold separation action through the limiting matching relationship between the limiting protrusion 24 and the limiting slide rail 23. At this time, the ejector rod 13 on the mounted seat 8 that is pressed will push the molded product in the cavity 12 out through the ejector groove 27. The overall structural design enables the device to automatically perform the material withdrawal operation after the injection molding mold separation operation, which greatly improves the working efficiency of the equipment.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plastic product forming mold, comprising an upper fixing seat (1), a lower fixing seat (2) and a base (10), characterized in that: A fixed die groove (34) is provided at the middle position of the bottom end of the upper fixed seat (1), and a fixed die seat (17) is fixedly arranged in the fixed die groove (34) of the upper fixed seat (1); a movable die groove (30) is provided at the middle position of the upper end of the lower fixed seat (2), and a movable die seat (3) is fixedly arranged in the movable die groove (30) of the lower fixed seat (2); A groove (35) is provided at the middle position of the bottom end of the lower fixed seat (2); a cooling water tank (21) is fixedly connected to the middle position of the lower fixed seat (2) in the groove (35); a plurality of heat-conducting heat pipes (22) are fixedly arranged at equal intervals at the bottom end position of the movable mold groove (30) of the lower fixed seat (2); matching grooves (26) are provided at the positions of the bottom end of the movable mold seat (3) corresponding to the plurality of heat-conducting heat pipes (22); and the plurality of matching grooves (26) are connected to the plurality of heat-conducting heat pipes (22). Cooperating with each other, the ends of the plurality of heat-conducting heat pipes (22) away from the movable mold seat (3) all pass through the lower fixed seat (2) and the cooling water tank (21) to the inside of the cooling water tank (21); a water inlet pipe (6) is fixedly arranged at a position on one side of the lower fixed seat (2); a water outlet pipe (7) is fixedly arranged at a position on one side of the lower fixed seat (2) close to the water inlet pipe (6); the water inlet pipe (6) and the water outlet pipe (7) all pass through the lower fixed seat (2) and are fixedly connected to the output end and the input end of the cooling water tank (21).

2. A plastic product forming mold according to claim 1, characterized in that: The middle positions of the upper ends of the movable mold seat (3) and the fixed mold seat (17) are both provided with a mold cavity (12); the middle position of the upper end of the base (10) is fixedly connected with an assembly seat (9); the upper end of the assembly seat (9) is provided with a mounting seat (8); the upper end of the mounting seat (8) is fixedly connected with a limiting slide bar (16) near the middle position of the two side edges; the upper end of the mounting seat (8) is fixedly connected with a material ejection rod (13) near the middle position of the four side edges; the lower fixed seat (2) is located at the movable mold groove (30 ) and the lower end of the movable mold seat (3) are located inside the mold cavity (12) and corresponding to the positions of the multiple material return rods (13), and a material return groove (27) is provided. The multiple material return grooves (27) cooperate with the multiple material return rods (13). The rod bodies of the multiple material return rods (13) are located between the groove (35) and the mounting seat (8) and are provided with a pair of limit sleeves (15) for limited sliding. The rod bodies of the multiple material return rods (13) are located between the pair of limit sleeves (15) and are provided with a return spring (14).

3. A plastic product forming mold according to claim 1, characterized in that: The fixed mold seat (17) is provided with a second limiting sliding groove (32) at the middle position of the four sides of the fixed mold seat (17), and the upper fixed seat (1) is fixedly connected with a second limiting sliding block (33) at the middle position of the four sides of the fixed mold groove (34), and the plurality of second limiting sliding blocks (33) are mutually limited and slidably matched with the plurality of second limiting sliding grooves (32).

4. A plastic product forming mold according to claim 1, characterized in that: The movable mold seat (3) is provided with a first limiting sliding groove (29) at the middle position of the four sides of the movable mold seat (3), and the lower fixed seat (2) is provided with a first limiting sliding block (28) at the middle position of the four sides of the movable mold slot (30), and the plurality of first limiting sliding blocks (28) and the plurality of first limiting sliding grooves (29) are mutually limited and slidably matched.

5. The plastic product forming mold according to claim 1, characterized in that: A limiting slide rail (23) is provided at the upper end of the lower fixed seat (2) at a position corresponding to a pair of limiting slide bars (16); the top ends of the pair of limiting slide bars (16) are fixedly connected to limiting protrusions (24); and the pair of limiting protrusions (24) and the pair of limiting slide rails (23) are mutually limited and slidably matched.

6. A plastic product forming mold according to claim 1, characterized in that: The four corners of the bottom end of the upper fixed seat (1) are fixedly connected with positioning columns (5), and the four corners of the upper end of the lower fixed seat (2) are provided with positioning grooves (25) at positions corresponding to the multiple positioning columns (5), and the multiple positioning columns (5) and the multiple positioning grooves (25) are mutually limited and slidably matched.

7. A plastic product forming mold according to claim 1, characterized in that: An injection molding path (4) is fixedly arranged at the middle position of the upper end of the upper fixed seat (1), and hydraulic telescopic rods (11) are fixedly arranged at the four corners of the bottom end of the base (10).

8. A plastic product forming mold according to claim 2, characterized in that: A circular groove (20) is provided at the middle position of the bottom end of the base (10); a top rod (18) is fixedly connected at the middle position of the bottom end of the mounting seat (8); the top rod (18) slides through the assembly seat (9); a plurality of limit grooves (19) are equidistantly provided on the side of the rod body of the top rod (18); and a limit block (31) is fixedly connected at positions corresponding to the plurality of limit grooves (19) inside the assembly seat (9); and the plurality of limit blocks (31) are mutually limitedly slidably matched with the plurality of limit grooves (19).

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