Cooling injection molding machine

Abstract

The utility model discloses a cooling injection molding machine which comprises a bottom plate, the upper end face of the bottom plate is fixedly connected with a fixed plate, the right end of the fixed plate can be fixedly provided with a first mold, the upper end face of the bottom plate is slidably connected with a movable plate, the left end of the movable plate can be fixedly provided with a second mold, and the left end of the fixed plate is fixedly provided with two threaded motors which are symmetrical front and back. The threaded motor is in power connection with a threaded shaft with the other end in threaded connection with the movable plate, two guide rods which penetrate through the movable plate and are symmetrical front and back are fixedly connected to the right end face of the fixed plate, the guide rods can guide and limit movement of the movable plate, and the threaded shaft rotates to drive the movable plate to move towards the fixed plate through threads. Further, mold closing injection molding of the first mold and the second mold is realized; the first cooling cavity is formed in the first mold, the second cooling cavity is formed in the second mold, and cooling can be performed during injection molding by injecting flowing cooling water into the first cooling cavity and the second cooling cavity, so that the injection molding work is accelerated.

Description

Technical Field

[0001] The utility model relates to the field of injection molding machines, in particular to a cooling injection molding machine. Background Art

[0002] Injection molding machine is also called injection molding machine or injection machine. It is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. It is divided into vertical, horizontal and all-electric types. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it eject and fill the mold cavity. However, when the molten plastic is molded in the mold cavity, if the cooling efficiency is not enough, it will cause the product to solidify slowly, affecting production efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide a cooling injection molding machine to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling injection molding machine comprises a base plate, an upper surface of the base plate is fixedly connected to a fixed plate, the right end of the fixed plate can be fixedly installed with a first mold, the upper surface of the base plate is slidably connected to a movable plate, and the left end of the movable plate can be fixedly installed with a second mold, and the left end of the fixed plate is fixedly provided with two front-and-back symmetrical threaded motors, the threaded motor is powered by a threaded shaft with the other end threadedly connected to the movable plate, and the right end surface of the fixed plate is fixedly connected to two front-and-back symmetrical guide rods that penetrate the movable plate, and the guide rods can guide and limit the movement of the movable plate, and the movable plate can be driven to move toward the fixed plate through the thread by rotating the threaded shaft, thereby realizing the mold closing injection molding of the first mold and the second mold; a first cooling cavity is provided in the first mold, and a second cooling cavity is provided in the second mold, and by injecting flowing cooling water into the first cooling cavity and the second cooling cavity, cooling can be performed during injection molding, thereby accelerating the injection molding work.

[0005] The guide rod and the right end surface of the threaded shaft are both fixedly connected with a limiting plate, and the limiting plate is used for limiting.

[0006] The upper end of the bottom plate is provided with a plurality of through holes for fixing the bottom plate.

[0007] An injector is fixedly provided at the right end of the movable plate, and an injection tube is connected to the right end of the injector. Molten plastic can be injected into the second mold through the injection tube and the injector, thereby performing injection molding.

[0008] The left end of the fixed plate is fixedly connected with a drainage pipe connected to the first cooling chamber. A water pump is fixedly provided at the left end of the fixed plate. The water pump is connected to the first cooling chamber. A water injection pipe is provided at the left end of the water pump. The water pump can suck external water through the water injection pipe and inject it into the first cooling chamber, and discharge it through the drainage pipe to realize the circulation of cooling water.

[0009] Two connecting valves which are symmetrically connected to the first cooling cavity are fixedly provided at the right end of the first mold.

[0010] Two connecting pipes connected to the second cooling chamber are fixedly provided at the left end of the second mold. The connecting pipes and the connecting valve are symmetrical on the left and right. The connecting pipes approach and enter the connecting valve to connect the connecting valve with the connecting pipes.

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

[0012] The utility model can drive the threaded shaft to rotate by the threaded motor, thereby driving the movable plate to move toward the fixed plate, thereby realizing the mutual approach of the first mold and the second mold, thereby realizing the mold closing for subsequent injection molding, and the guide rod can be used for guidance to avoid shaking and dislocation when the movable plate moves;

[0013] Through the first cooling cavity provided in the first mold and the second cooling cavity provided in the second mold, circulating cooling water can be injected to cool the injection molded part during and after the injection molding process, thereby improving the injection molding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall three-dimensional schematic diagram of a cooling injection molding machine proposed in the utility model;

[0015] Figure 2 A three-dimensional schematic diagram of a cooling injection molding machine from a top view proposed in the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the first mold and the second mold part in a cooling injection molding machine proposed in the utility model;

[0017] Figure 4 for Figure 3 Right view of;

[0018] Figure 5 for Figure 3 Left view of;

[0019] In the figure: 101, bottom plate; 102, fixed plate; 103, water pump; 104, water injection pipe; 105, drainage pipe; 106, threaded motor; 107, first mold; 109, connecting valve; 111, first cooling chamber; 112, threaded shaft; 113, limit plate; 114, movable plate; 115, guide rod; 116, injector; 117, injection tube; 118, second mold; 119, connecting pipe; 121, second cooling chamber. DETAILED DESCRIPTION

[0020] 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.

[0021] Embodiment 1:

[0022] See also Figure 1-5 The utility model provides a technical solution: a cooling injection molding machine, including a bottom plate 101, a fixed plate 102 is fixedly connected to the upper end surface of the bottom plate 101, a first mold 107 can be fixedly installed on the right end of the fixed plate 102, a moving plate 114 is slidably connected to the upper end surface of the bottom plate 101, a second mold 118 can be fixedly installed on the left end of the moving plate 114, two front-to-back symmetrical threaded motors 106 are fixedly arranged on the left end of the fixed plate 102, the threaded motor 106 is powered and connected to a threaded shaft 112 with the other end threadedly connected to the moving plate 114, and a threaded shaft 112 that penetrates the moving plate 114 is fixedly connected to the right end surface of the fixed plate 102. The plate 114 has two front and rear symmetrical guide rods 115, and the guide rods 115 can guide and limit the movement of the movable plate 114. The movable plate 114 can be driven to move toward the fixed plate 102 through the rotation of the threaded shaft 112, thereby realizing the combined mold injection of the first mold 107 and the second mold 118; the first mold 107 is provided with a first cooling cavity 111, and the second mold 118 is provided with a second cooling cavity 121. By injecting flowing cooling water into the first cooling cavity 111 and the second cooling cavity 121, cooling can be performed during injection molding, thereby accelerating the injection molding work.

[0023] The guide rod 115 and the right end surface of the threaded shaft 112 are both fixedly connected with a limiting plate 113, and the limiting plate 113 is used for limiting.

[0024] The upper end of the bottom plate 101 is provided with a plurality of through holes for fixing the bottom plate 101 .

[0025] An injector 116 is fixedly provided at the right end of the movable plate 114 , and an injection tube 117 is connected to the right end of the injector 116 . Molten plastic can be injected into the second mold 118 through the injection tube 117 and the injector 116 , thereby performing injection molding.

[0026] The left end of the fixed plate 102 is fixedly connected with a drainage pipe 105 connected to the first cooling chamber 111. The left end of the fixed plate 102 is fixedly provided with a water pump 103, and the water pump 103 is connected to the first cooling chamber 111. The left end of the water pump 103 is connected with a water injection pipe 104. The water pump 103 can suck external water through the water injection pipe 104 and inject it into the first cooling chamber 111, and discharge it through the drainage pipe 105, so as to realize the circulation of cooling water.

[0027] Two connecting valves 109 symmetrically connected to the first cooling cavity 111 are fixedly disposed at the right end of the first mold 107 .

[0028] Two connecting pipes 119 connected to the second cooling chamber 121 are fixedly provided at the left end of the second mold 118. The connecting pipes 119 and the connecting valve 109 are symmetrical on the left and right. When the connecting pipes 119 approach and enter the connecting valve 109, the connecting valve 109 can be connected with the connecting pipes 119.

[0029] Working principle:

[0030] When in use, the bottom plate 101 is installed and connected to the use plane through the through hole, and then the injection tube 117 is connected to the plastic melting mechanism, and then the drainage pipe 105 and the water injection pipe 104 are connected to the cooling water;

[0031] During injection molding, the threaded motor 106 is started to drive the threaded shaft 112 to rotate, thereby driving the moving plate 114 to move to the left, thereby driving the second mold 118 and the first mold 107 to close the mold. At this time, the injector 116 is started to inject the molten plastic into the second mold 118 and the first mold 107 to perform the injection molding work;

[0032] During and after injection molding, start the water pump 103 to suck in and discharge cooling water into the first cooling chamber 111 through the water injection pipe 104, and enter the second cooling chamber 121 through the connecting valve 109 and the connecting pipe 119. After the injection molded part is cooled by the cooling water, it is discharged through the drain pipe 105 to complete the cooling work, thereby improving the injection molding efficiency.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling injection molding machine, comprising a bottom plate (101), Features: The upper end surface of the bottom plate (101) is fixedly connected with a fixed plate (102), and the right end of the fixed plate (102) can be fixedly installed with a first mold (107). The upper end surface of the bottom plate (101) is slidably connected with a movable plate (114), and the left end of the movable plate (114) can be fixedly installed with a second mold (118). Two front-to-back symmetrical threaded motors (106) are fixedly provided at the left end of the fixed plate (102), and the threaded motor (106) is motively connected with a threaded shaft (112) whose other end is threadedly connected to the movable plate (114). The right end surface of the fixed plate (102) is fixedly connected with two front-to-back symmetrical guide rods (115) that penetrate the movable plate (114). A first cooling cavity (111) is provided in the first mold (107), and a second cooling cavity (121) is provided in the second mold (118).

2. A cooling injection molding machine according to claim 1, Features: The guide rod (115) and the right end surface of the threaded shaft (112) are both fixedly connected with a limiting plate (113), and the limiting plate (113) is used for limiting.

3. A cooling injection molding machine according to claim 2, Features: The upper end of the bottom plate (101) is provided with a plurality of through holes.

4. A cooling injection molding machine according to claim 3, Features: An injection molding device (116) is fixedly provided at the right end of the movable plate (114), and an injection molding tube (117) is connected to the right end of the injection molding device (116).

5. A cooling injection molding machine according to claim 4, Features: The left end of the fixed plate (102) is fixedly connected with a drainage pipe (105) which is in communication with the first cooling chamber (111); the left end of the fixed plate (102) is fixedly provided with a water pump (103), the water pump (103) is in communication with the first cooling chamber (111); and the left end of the water pump (103) is provided with a water injection pipe (104).

6. A cooling injection molding machine according to claim 5, Features: Two connecting valves (109) are fixedly provided at the right end of the first mold (107) and are symmetrically connected to the first cooling cavity (111).

7. A cooling injection molding machine according to claim 6, Features: Two connecting pipes (119) connected to the second cooling chamber (121) are fixedly provided at the left end of the second mold (118); the connecting pipes (119) and the connecting valve (109) are symmetrically located on the left and right sides; when the connecting pipes (119) approach and enter the connecting valve (109), the connecting valve (109) can be connected to the connecting pipes (119).

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