Plastic mold for producing and processing high-precision products

Abstract

The utility model discloses a plastic mould for producing and processing high-precision products, which belongs to the technical field of plastic moulds and comprises a device bottom plate, a mould base is fixedly connected to the center of the top end of the device bottom plate, a forming cavity is formed in the top end of the mould base, and positioning blocks are fixedly connected to the periphery of the top end of the mould base. An ejection assembly and a cooling assembly are arranged in the mold base, supporting rods are fixedly connected to the left side and the right side of the top end of the device bottom plate, telescopic rods are slidably connected to the top ends of the supporting rods, a mold top plate is fixedly connected to the top ends of the telescopic rods, and a positioning groove is formed in the bottom end of the mold top plate. The positioning groove and the positioning block are connected in a clamped mode, two sprue gates are formed in the right side of the top end of the mold top plate, a constant temperature box is fixedly connected to the dead center of the top end of the mold top plate, and by means of the technical scheme, the problem that in the prior art, the plastic mold production and machining efficiency is not high is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of plastic molds, and in particular relates to a plastic mold for producing and processing high-precision products. Background Art

[0002] Plastic mold is the abbreviation of a combined mold used for compression molding, extrusion molding, injection molding, blow molding and low-foaming molding. The coordinated changes of the mold convex and concave molds and the auxiliary molding system can process a series of plastic parts of different shapes and sizes. Injection molding is a method of producing industrial products. Products usually use rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding molding and die casting. Injection molding is a processing method used in mass production of certain complex-shaped parts. Specifically, it refers to the high-pressure injection of heated and melted plastic into the mold cavity by the injection molding machine, and after cooling and solidification, the molded product is obtained. Although the structure of the mold may vary due to the different types and properties of plastics, the shape and structure of plastic products, and the type of injection machine, the basic structure is the same.

[0003] In the prior art, a plastic mold for high-precision product production and processing with patent announcement number CN217777641U includes a base plate, a lower mold is installed on the surface of the base plate, a positioning mechanism is installed on one side of the lower mold, fixing holes are opened inside the lower mold, the surface of the panel is provided with a limiting mechanism, and one side of the surface of the lower mold is provided with a mounting mechanism.

[0004] However, the efficiency of the plastic mold is too low during production and processing. Therefore, a plastic mold for high-precision product production and processing is needed to solve the problems existing in the prior art. Utility Model Content

[0005] The purpose of the utility model is to provide a plastic mold for high-precision product production and processing to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic mold for high-precision product production and processing, including a device bottom plate, a mold base is fixedly connected to the center of the top of the device bottom plate, a molding cavity is opened at the top of the mold base, positioning blocks are fixedly connected around the top of the mold base, an ejection assembly and a cooling assembly are arranged inside the mold base, support rods are fixedly connected to the left and right sides of the top of the device bottom plate, a telescopic rod is slidably connected to the top of the support rod, a mold top plate is fixedly connected to the top of the telescopic rod, a positioning groove is opened at the bottom of the mold top plate, the positioning groove and the positioning block are mutually clamped, and two pouring ports are opened on the right side of the top of the mold top plate.

[0007] As a preferred embodiment, a constant temperature box is fixedly connected to the center of the top of the mold top plate, a heating device is arranged on the left side of the constant temperature box, a plurality of constant temperature tubes in a rectangular array are arranged inside the side wall of the constant temperature box, a heating tube is fixedly connected to the left side of the constant temperature tube, and the left side of the bottom end of the heating tube is fixedly connected to the heating device.

[0008] As a preferred embodiment, an injection port is provided at the upper left corner of the top of the thermostatic box, and a dust cover is provided on the outer surface of the bottom end of the injection port, two connecting rods are fixedly connected to the top of the dust cover, and a lifting handle is fixedly connected to the top of the connecting rod, an inlet pipe is fixedly connected to the right side of the thermostatic box than the bottom, a pressure pump is fixedly connected to the right side of the inlet pipe, and an outlet pipe is fixedly connected to the front and rear sides of the pressure pump, and a pouring pipe is fixedly connected to the top of the outlet pipe, and the bottom end of the pouring pipe is arranged at the top of the pouring port.

[0009] As a preferred embodiment, the ejection assembly includes two support columns, which are located at the bottom end of the molding cavity and are symmetrically arranged, and the top ends of the two support columns are slidably connected with telescopic columns, and the top ends of the telescopic columns are fixedly connected with an ejection plate, and the ejection plate is located inside the molding cavity and slides up and down.

[0010] As a preferred embodiment, the cooling assembly includes a cooling tank, which is located at the inner bottom end of the mold base, cooling water is arranged in the cooling tank, a water pump is arranged on the inner left side of the cooling tank, a water inlet pipe and a water supply pipe are arranged at the top of the water pump, the water supply pipe is arranged on the right side of the water inlet pipe, a heat conduction pipe is fixedly connected to the top of the water supply pipe, the heat conduction pipe is arranged at the bottom end of the molding cavity, a water outlet pipe is fixedly connected to the right bottom end of the heat conduction pipe, and the bottom end of the heat conduction pipe is arranged inside the cooling tank.

[0011] Compared with the prior art, the advantages of the utility model are:

[0012] 1. The plastic mold poured into the molding cavity is completed through the cooling component, and the water suction pump is started to allow the cooling water in the cooling tank to enter through the water inlet pipe, so that the cooling water is brought to the heat conduction pipe through the water delivery pipe, and then flows back to the cooling tank through the water outlet pipe. In the process of cooling water delivery, the heat conduction pipe is attached to the bottom of the molding cavity, so that the plastic mold poured in the molding cavity is quickly absorbed. The plastic mold is quickly cooled and solidified, so that the device improves the molding efficiency of the plastic mold, thereby improving the production efficiency of the device.

[0013] 2. After the plastic mold in the molding cavity is cooled and solidified by the ejector assembly, the telescopic column is driven to slide upward by the support column, so that the telescopic column drives the ejector plate to slide upward, so that the ejector plate ejects the solidified plastic mold in the molding cavity out of the mold base, thereby saving manual operation and further improving the production efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 This is a front view structural diagram of the utility model.

[0016] Figure 3 This is a schematic diagram of the internal structure of the mold base of the utility model.

[0017] Figure 4 It is a schematic diagram of the internal structure of the thermostatic box of the utility model.

[0018] In the figure: 1. device bottom plate; 2. mold base; 3. support rod; 4. telescopic rod; 5. mold top plate; 6. molding cavity; 7. positioning block; 8. positioning groove; 9. constant temperature box; 10. heating device; 11. constant temperature tube; 12. injection port; 13. dust cover; 14. connecting rod; 15. lifting handle; 16. inlet pipe; 17. pressure pump; 18. outlet pipe; 19. ejector assembly; 1901. support column; 1902. telescopic column; 1903. ejector plate; 20. cooling assembly; 2001. cooling groove; 2002. water pump; 2003. water inlet pipe; 2004. water pipe; 2005. heat conduction pipe; 2006. water outlet pipe; 2007. cooling water; 21. pouring pipe; 22. pouring port; 23. heating pipe. DETAILED DESCRIPTION

[0019] The present invention will be further described below in conjunction with the embodiments.

[0020] See also Figure 1-4 The utility model provides a plastic mold for high-precision product production and processing, including a device bottom plate 1, a mold base 2 is fixedly connected to the center of the top of the device bottom plate 1, a molding cavity 6 is opened at the top of the mold base 2, and positioning blocks 7 are fixedly connected to the top of the mold base 2. An ejection assembly 19 and a cooling assembly 20 are arranged inside the mold base 2, support rods 3 are fixedly connected to the left and right sides of the top of the device bottom plate 1, a telescopic rod 4 is slidably connected to the top of the support rod 3, and a mold top plate 5 is fixedly connected to the top of the telescopic rod 4. A positioning groove 8 is opened at the bottom of the mold top plate 5, and the positioning groove 8 is mutually clamped with the positioning block 7, and two pouring ports 22 are opened on the right side of the top of the mold top plate 5.

[0021] Further as Figure 1 and Figure 4 As shown, it is worth explaining in detail that a constant temperature box 9 is fixedly connected to the center of the top of the mold top plate 5, a heating device 10 is arranged on the left side of the constant temperature box 9, a plurality of constant temperature tubes 11 in a rectangular array are arranged inside the side wall of the constant temperature box 9, a heating tube 23 is fixedly connected to the left side of the constant temperature tube 11, and the bottom left side of the heating tube 23 is fixedly connected to the heating device 10.

[0022] Further as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, it is worth specifically explaining that an injection port 12 is opened at the upper left corner of the top of the thermostatic box 9, and a dust cover 13 is provided on the outer surface of the bottom end of the injection port 12. Two connecting rods 14 are fixedly connected to the top of the dust cover 13, and a lifting handle 15 is fixedly connected to the top of the connecting rod 14. An inlet pipe 16 is fixedly connected to the right side of the thermostatic box 9 than the bottom, and a pressure pump 17 is fixedly connected to the right side of the inlet pipe 16. The pressure pump 17 is fixedly connected to the front and rear sides of the pressure pump 17. The top of the outlet pipe 18 is fixedly connected to a pouring pipe 21, and the bottom end of the pouring pipe 21 is arranged at the top of the pouring port 22.

[0023] Further as Figure 1 , Figure 2 and Figure 4 As shown, it is worth explaining in detail that the ejection assembly 19 includes two support columns 1901, the two support columns 1901 are located at the bottom end of the molding cavity 6 and are symmetrically arranged, the top ends of the two support columns 1901 are slidably connected with telescopic columns 1902, the top ends of the telescopic columns 1902 are fixedly connected with ejection plates 1903, and the ejection plates 1903 are located inside the molding cavity 6 and slide up and down.

[0024] Further as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, it is worth specifically explaining that the cooling component 20 includes a cooling groove 2001, which is located at the inner bottom end of the mold base 2, and cooling water 2007 is arranged in the cooling groove 2001. A water pump 2002 is arranged on the inner left side of the cooling groove 2001, and a water inlet pipe 2003 and a water supply pipe 2004 are arranged at the top of the water pump 2002. The water supply pipe 2004 is arranged on the right side of the water inlet pipe 2003, and the top of the water supply pipe 2004 is fixedly connected with a heat conducting pipe 2005, and the heat conducting pipe 2005 is arranged at the bottom end of the molding cavity 6. The right bottom end of the heat conducting pipe 2005 is fixedly connected with a water outlet pipe 2006, and the bottom end of the heat conducting pipe 2005 is arranged inside the cooling groove 2001.

[0025] This scheme has the following working process: first, pour the pouring liquid through the injection port 12, so as to start the heating device 10 to transfer heat to the constant temperature tube 11 through the heating tube 23, so that the constant temperature tube 11 heats the pouring liquid in the constant temperature box 9 at a constant temperature, so that the pouring liquid in the constant temperature box 9 will not cool and solidify during the pouring process, so that the telescopic rod 4 drives the mold top plate 5 to slide downward through the support rod 3, so that the positioning block 7 and the positioning groove 8 are connected to each other, so that the mold top plate 5 and the mold base 2 are connected to each other, so as to start the pressure pump 17 to drive the pouring liquid in the constant temperature box 9 to enter the outlet pipe 18 through the inlet pipe 16, so as to pour plastic to the pouring port 22 through the pouring pipe 21, so that when the pouring is completed, the pressure pump 17 is stopped to stop pouring, The water pump 2002 is started to allow the cooling water 2007 in the cooling tank 2001 to enter through the water inlet pipe 2003, thereby bringing the cooling water 2007 to the heat pipe 2005 through the water delivery pipe 2004, and then flowing back to the cooling tank 2001 through the water outlet pipe 2006. During the delivery of the cooling water 2007, the heat pipe 2005 is attached to the bottom end of the molding cavity 6, thereby quickly absorbing heat from the plastic mold poured in the molding cavity 6, so that the plastic mold is quickly cooled and solidified, thereby driving the telescopic column 1902 to slide upward through the support column 1901, so that the telescopic column 1902 drives the ejection plate 1903 to slide upward, so that the ejection plate 1903 ejects the solidified plastic mold in the molding cavity 6 out of the mold base 2 for easy removal.

[0026] According to the above working process, it can be known that: the plastic mold poured into the molding cavity 6 is poured through the cooling assembly 20, so that the water pump 2002 is started to allow the cooling water 2007 in the cooling tank 2001 to enter through the water inlet pipe 2003, so that the cooling water 2007 is brought to the heat pipe 2005 through the water delivery pipe 2004, and then flows back to the cooling tank 2001 through the water outlet pipe 2006. In the process of conveying the cooling water 2007, the heat pipe 2005 is attached to the bottom end of the molding cavity 6, so that the plastic mold poured into the molding cavity 6 is quickly heat-absorbed, so that The plastic mold is quickly cooled and solidified, thereby improving the efficiency of the device in casting the plastic mold, thereby improving the production efficiency of the device. The plastic mold in the molding cavity 6 is cooled and solidified through the ejector assembly 19, and then the telescopic column 1902 is driven to slide upward through the support column 1901, so that the telescopic column 1902 drives the ejector plate 1903 to slide upward, so that the ejector plate 1903 ejects the solidified plastic mold in the molding cavity 6 out of the mold base 2, thereby saving manual operation, thereby further improving the production efficiency of the device.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A plastic mold for high-precision product production and processing, comprising a device base plate (1), characterized in that: A mold base (2) is fixedly connected to the center of the top of the device bottom plate (1), a molding cavity (6) is provided at the top of the mold base (2), positioning blocks (7) are fixedly connected around the top of the mold base (2), an ejection assembly (19) and a cooling assembly (20) are arranged inside the mold base (2), support rods (3) are fixedly connected to the left and right sides of the top of the device bottom plate (1), a telescopic rod (4) is slidably connected to the top of the support rod (3), a mold top plate (5) is fixedly connected to the top of the telescopic rod (4), a positioning groove (8) is provided at the bottom of the mold top plate (5), the positioning groove (8) and the positioning block (7) are mutually engaged, and two pouring ports (22) are provided on the right side of the top of the mold top plate (5).

2. A plastic mold for high-precision product production and processing according to claim 1, characterized in that: A thermostatic box (9) is fixedly connected at the center of the top of the mold top plate (5), a heating device (10) is arranged on the left side of the thermostatic box (9), a plurality of thermostatic tubes (11) in a rectangular array are arranged inside the side wall of the thermostatic box (9), a heating tube (23) is fixedly connected to the left side of the thermostatic tube (11), and the left side of the bottom end of the heating tube (23) is fixedly connected to the heating device (10).

3. A plastic mold for high-precision product production and processing according to claim 2, characterized in that: An injection port (12) is provided at the upper left corner of the top of the thermostatic box (9); a dust cover (13) is provided on the outer surface of the bottom end of the injection port (12); two connecting rods (14) are fixedly connected to the top of the dust cover (13); a lifting handle (15) is fixedly connected to the top of the connecting rod (14); an inlet pipe (16) is fixedly connected to the right side of the thermostatic box (9) than the bottom; a pressure pump (17) is fixedly connected to the right side of the inlet pipe (16); an outlet pipe (18) is fixedly connected to the front and rear sides of the pressure pump (17); a pouring pipe (21) is fixedly connected to the top of the outlet pipe (18); the bottom end of the pouring pipe (21) is arranged at the top end of the pouring port (22).

4. A plastic mold for high-precision product production and processing according to claim 1, characterized in that: The ejection assembly (19) comprises two support columns (1901), the two support columns (1901) are located at the bottom end of the molding cavity (6) and are symmetrically arranged, the top ends of the two support columns (1901) are slidably connected to telescopic columns (1902), the top ends of the telescopic columns (1902) are fixedly connected to an ejection plate (1903), and the ejection plate (1903) is located inside the molding cavity (6) and slides up and down.

5. The plastic mold for high-precision product production and processing according to claim 1, characterized in that: The cooling assembly (20) comprises a cooling trough (2001), wherein the cooling trough (2001) is located at the inner bottom end of the mold base (2), cooling water (2007) is arranged in the cooling trough (2001), a water pump (2002) is arranged on the inner left side of the cooling trough (2001), a water inlet pipe (2003) and a water delivery pipe (2004) are arranged at the top end of the water pump (2002), the water delivery pipe (2004) is arranged on the right side of the water inlet pipe (2003), a heat conduction pipe (2005) is fixedly connected to the top end of the water delivery pipe (2004), the heat conduction pipe (2005) is arranged at the bottom end of the molding cavity (6), a water outlet pipe (2006) is fixedly connected to the right bottom end of the heat conduction pipe (2005), and the bottom end of the heat conduction pipe (2005) is arranged inside the cooling trough (2001).

Images