Ejection mechanism of injection mold

Abstract

The ejection mechanism comprises a fixing plate, a groove is formed in the top of the fixing plate, a frame body is fixedly arranged at the upper end in the groove, clamping grooves are formed in the four walls of the inner side of the frame body respectively, a heat dissipation plate is fixedly arranged in each clamping groove, a bottom plate is arranged at the lower end in the frame body, and the bottom plate is arranged in the frame body in a sliding mode. A lifting mechanism is mounted at the bottom in the groove, is used for driving the bottom plate to move up and down and comprises a forward and reverse motor, the forward and reverse motor is fixedly arranged at the bottom in the groove, a first rotating rod is fixedly arranged at the output end of the forward and reverse motor, a first gear fixedly sleeves the first rotating rod, and a second gear is arranged on one side of the first gear; the plastic part taking-out device solves the problems that in the existing mold injection process, a plastic part is usually taken out manually, due to the fact that the plastic part has adhesive force to a cavity, labor is wasted when the plastic part is taken out manually, and the labor amount of workers is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an ejection mechanism of an injection mold. Background Art

[0002] At present, injection molds are a tool for producing plastic products; they are also a tool for giving plastic products a complete structure and precise size. Injection molding is a processing method used in mass production of certain complex-shaped parts, and the finished product of injection molding needs to be removed from the mold surface using a corresponding ejection mechanism.

[0003] In the process of existing injection molds, plastic parts are usually taken out manually. Since the plastic parts have adhesion to the cavity, it is more laborious for manual removal of the plastic parts, thereby increasing the workload of the workers. Therefore, the utility model proposes an ejection mechanism for the injection mold to solve the problem. Utility Model Content

[0004] In view of the defects of the prior art mentioned above, the purpose of the utility model is to provide an ejection mechanism for an injection mold.

[0005] To achieve the above-mentioned purpose, the utility model provides an ejection mechanism of an injection mold, including a fixed plate, a groove is provided on the top of the fixed plate, a frame is fixedly arranged at the upper end of the groove, and slots are respectively provided on the four inner walls of the frame, a heat sink is fixedly arranged in each of the slots, a bottom plate is provided at the lower end of the frame, the bottom plate is slidably arranged in the frame, and a lifting mechanism is installed at the bottom of the groove, and the lifting mechanism is used to drive the bottom plate to move up and down.

[0006] Preferably, the lifting mechanism includes a forward and reverse motor, which is fixedly arranged at the bottom of the groove, and a first rotating rod is fixedly arranged at the output end of the forward and reverse motor. A first gear is fixedly sleeved outside the first rotating rod, and a second gear is arranged on one side of the first gear, and the second gear is meshed with the first gear.

[0007] Preferably, a second rotating rod is provided at the bottom of the groove, a first rotating shaft is fixedly provided at the bottom of the second rotating rod, the first rotating shaft is rotatably provided at the bottom of the groove, a third gear is provided on one side of the second gear, and the third gear is meshed with the second gear.

[0008] Preferably, the third gear is fixedly sleeved outside the third rotating rod, a second rotating shaft is fixedly provided at the bottom of the third rotating rod, the second rotating shaft is rotatably provided at the bottom of the groove, a lifting part is provided on one side of the third gear, the lifting part includes an internal threaded sleeve, a third rotating shaft is fixedly provided at the bottom of the internal threaded sleeve, the internal threaded sleeve is rotatably provided at the bottom of the groove through the third rotating shaft, a fourth gear is fixedly sleeved outside the internal threaded sleeve, the fourth gear is meshed with the third gear, a threaded rod is inserted into the internal thread of the internal threaded sleeve, a fourth rotating shaft is fixedly provided on the top of the threaded rod, and the threaded rod is rotatably provided at the bottom of the base plate through the fourth rotating shaft.

[0009] Preferably, the bottom plate is made of heat-conductive material, a first mounting hole is opened on one side of the lower end of the groove, a hair dryer is installed in the first mounting hole, a second mounting hole is opened on the other side of the lower end of the groove, an exhaust fan is installed in the second mounting hole.

[0010] Preferably, a first dustproof net is arranged in the first mounting hole, and the first dustproof net is detachably installed in the first mounting hole. A second dustproof net is arranged in the second mounting hole, and the second dustproof net is detachably installed in the second mounting hole.

[0011] Preferably, micro-refrigerators are fixedly arranged on both sides of the inner bottom of the groove, and two micro-refrigerators are arranged on both sides of the lifting mechanism.

[0012] Preferably, water flow holes are respectively opened on both sides of the lower end of the groove, and the inner bottom of the water flow hole is flush with the inner bottom of the groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Through the set structures of frame, forward and reverse motor, bottom plate, first gear, second gear, third gear and internal thread sleeve, before the injection mold, the bottom plate is located at the bottom of the frame, and the mold slurry is injected into the frame. After the model is condensed and formed, the forward and reverse motor is started to rotate, the forward and reverse motor drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the internal thread sleeve to rotate, the internal thread sleeve drives the thread of the threaded rod to move upward, and then drives the bottom plate to move upward, and then the model is pushed out upward, and the model is easy to take out, which solves the problem that in the process of existing injection molds, plastic parts are usually taken out manually. Since the plastic parts have adhesion to the cavity, it is more laborious for manual labor to take out the plastic parts, thereby increasing the workload of workers.

[0015] 2. Through the structures such as the hair dryer, micro-refrigerator, exhaust fan and water flow holes, the bottom plate is made of heat-conducting material. The micro-refrigerator continuously produces cold air to dissipate the heat of the bottom plate. The water that may be generated during the operation of the micro-refrigerator flows out from the water flow holes. At the same time, the hair dryer and the exhaust fan are combined to further improve the heat dissipation effect and speed up the cooling efficiency of the model. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments of the utility model. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is the front view provided by the utility model.

[0018] Figure 2 It is a cross-sectional view provided by the utility model.

[0019] Figure 3 It is a structural schematic diagram of the lifting mechanism provided by the utility model.

[0020] Figure 4 It is a structural schematic diagram of the lifting part provided by the utility model.

[0021] Description of reference numerals:

[0022] 1. fixing plate; 2. frame; 3. card slot; 4. heat sink; 5. bottom plate; 6. first dust screen; 7. first mounting hole; 8. hair dryer; 9. micro refrigerator; 10. second dust screen; 11. second mounting hole; 12. exhaust fan; 13. lifting mechanism; 130. lifting part; 1301. fourth rotating shaft; 1302. threaded rod; 1303. internal threaded sleeve; 1304. fourth gear; 1305. third rotating shaft; 131. second rotating shaft; 132. third rotating rod; 133. third gear; 134. second rotating rod; 135. first rotating shaft; 136. second gear; 137. first gear; 138. first rotating rod; 139. forward and reverse motor; 14. water flow hole; 15. groove. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more explicit definition of the protection scope of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0024] The terms "including" and "having" and any variations thereof in the specification and claims of the present utility model and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present utility model or the above-mentioned drawings are used to distinguish different objects rather than to describe a specific order.

[0025] See also Figure 1-4The utility model provides an ejection mechanism of an injection mold, including a fixed plate 1, a groove 15 is provided on the top of the fixed plate 1, a frame 2 is fixedly provided at the upper end of the groove 15, a bottom plate 5 is provided at the lower end of the frame 2, the bottom plate 5 is slidably provided in the frame 2, a lifting mechanism 13 is installed at the bottom of the groove 15, the lifting mechanism 13 is used to drive the bottom plate 5 to move up and down, the lifting mechanism 13 includes a forward and reverse motor 139, the forward and reverse motor 139 is fixedly provided at the bottom of the groove 15, a first rotating rod 138 is fixedly provided at the output end of the forward and reverse motor 139, a first gear 137 is fixedly provided outside the first rotating rod 138, a second gear 136 is provided on one side of the first gear 137, and the second gear 136 is provided on the other side of the second gear 136. The first gear 137 is meshed with the first gear 137, and a second rotating rod 134 is provided at the bottom of the groove 15. A first rotating shaft 135 is fixedly provided at the bottom of the second rotating rod 134. The first rotating shaft 135 is rotatably provided at the bottom of the groove 15. A third gear 133 is provided on one side of the second gear 136. The third gear 133 is meshed with the second gear 136. The third gear 133 is fixedly sleeved outside the third rotating rod 132. A second rotating shaft 131 is fixedly provided at the bottom of the third rotating rod 132. The second rotating shaft 131 is rotatably provided at the bottom of the groove 15. A lifting part 130 is provided on one side of the third gear 133. The lifting part 130 includes an internal threaded sleeve 1303. The bottom of the internal threaded sleeve 1303 is fixedly provided. A third rotating shaft 1305 is fixedly provided, and the internal threaded sleeve 1303 is rotatably arranged at the bottom of the groove 15 through the third rotating shaft 1305. A fourth gear 1304 is fixedly sleeved outside the internal threaded sleeve 1303, and the fourth gear 1304 is meshed with the third gear 133. A threaded rod 1302 is inserted into the internal thread of the internal threaded sleeve 1303, and a fourth rotating shaft 1301 is fixedly provided on the top of the threaded rod 1302. The threaded rod 1302 is rotatably arranged at the bottom of the bottom plate 5 through the fourth rotating shaft 1301. Through the provided frame 2, the forward and reverse motor 139, the bottom plate 5, the first gear 137, the second gear 136, the third gear 133 and the internal threaded sleeve 1303 and other structures, the front of the injection mold The bottom plate 5 is located at the bottom of the frame 2. The mold slurry is injected into the frame 2. After the model is condensed and formed, the forward and reverse motor 139 is started to rotate. The forward and reverse motor 139 drives the first gear 137 to rotate. The first gear 137 drives the second gear 136 to rotate. The second gear 136 drives the internal threaded sleeve 1303 to rotate. The internal threaded sleeve 1303 drives the threaded rod 1302 to move upward, thereby driving the bottom plate 5 to move upward, and then the model is ejected upward. The model is easy to take out, which solves the problem that in the process of the existing injection mold, the plastic parts are usually taken out manually. Because the plastic parts have adhesion to the cavity, it is more laborious for the workers to take out the plastic parts, thereby increasing the workload of the workers.

[0026] See also Figure 2-4The four walls inside the frame 2 are respectively provided with card slots 3, and a heat sink 4 is fixedly arranged in each card slot 3. The bottom plate 5 is made of a heat-conducting material. A first mounting hole 7 is provided on one side of the lower end of the groove 15, and a hair dryer 8 is installed in the first mounting hole 7. A second mounting hole 11 is provided on the other side of the lower end of the groove 15, and an exhaust fan 12 is installed in the second mounting hole 11. A first dustproof net 6 is provided in the first mounting hole 7, and the first dustproof net 6 can be detachably installed in the first mounting hole 7. A second dustproof net 10 is provided in the second mounting hole 11, and the second dustproof net 10 can be detachably installed in the second mounting hole 11. The bottom sides of the groove 15 are respectively A micro-refrigerator 9 is fixedly installed, and two micro-refrigerators 9 are arranged on both sides of the lifting mechanism 13. Water holes 14 are respectively opened on both sides of the lower end of the groove 15, and the bottom of the water hole 14 is flush with the bottom of the groove 15. Through the structures such as the hair dryer 8, the micro-refrigerator 9, the exhaust fan 12 and the water hole 14, the bottom plate 5 is made of heat-conducting material, and the micro-refrigerator 9 continuously produces cold air to dissipate the heat of the bottom plate 5. The water that may be generated during the operation of the micro-refrigerator 9 flows out from the water hole 14. At the same time, combined with the blowing of the hair dryer 8 and the exhaust fan 12, the heat dissipation effect is further improved and the cooling efficiency of the model is accelerated.

[0027] Working principle and usage of the utility model:

[0028] Before the injection mold, the bottom plate 5 is located at the bottom of the frame 2, and the mold slurry is injected into the frame 2. After the model is condensed and formed, the forward and reverse motor 139 is started to rotate, and the forward and reverse motor 139 drives the first gear 137 to rotate, and the first gear 137 drives the second gear 136 to rotate, and the second gear 136 drives the internal threaded sleeve 1303 to rotate, and the internal threaded sleeve 1303 drives the threaded rod 1302 to move upward, thereby driving the bottom plate 5 to move upward, and then the model is pushed out upward, and the model is easy to take out. The bottom plate 5 is made of heat-conducting material, and the micro-refrigerator 9 continuously produces cold air to dissipate heat from the bottom plate 5. The water that may be generated during the operation of the micro-refrigerator 9 flows out from the water flow hole 14. At the same time, the hair dryer 8 blows and the exhaust fan 12 exhausts air, which further improves the heat dissipation effect and accelerates the cooling efficiency of the model.

[0029] The above description is only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the utility model, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the utility model.

Claims

1. An ejection mechanism for an injection mold, characterized in that: It includes a fixing plate, a groove is provided on the top of the fixing plate, a frame is fixedly arranged at the upper end of the groove, slots are respectively provided on the four inner walls of the frame, a heat sink is fixedly arranged in each slot, a bottom plate is provided at the lower end of the frame, the bottom plate is slidably arranged in the frame, a lifting mechanism is installed at the bottom of the groove, and the lifting mechanism is used to drive the bottom plate to move up and down.

2. The ejection mechanism of the injection mold according to claim 1, characterized in that: The lifting mechanism includes a forward and reverse motor, which is fixedly arranged at the bottom of the groove. A first rotating rod is fixedly arranged at the output end of the forward and reverse motor. A first gear is fixedly sleeved outside the first rotating rod. A second gear is arranged on one side of the first gear, and the second gear is meshed with the first gear.

3. The ejection mechanism of the injection mold according to claim 2, characterized in that: A second rotating rod is arranged at the bottom of the groove, a first rotating shaft is fixedly arranged at the bottom of the second rotating rod, the first rotating shaft is rotatably arranged at the bottom of the groove, a third gear is arranged on one side of the second gear, and the third gear is meshed with the second gear.

4. The ejection mechanism of the injection mold according to claim 3, characterized in that: The third gear is fixedly sleeved outside the third rotating rod, a second rotating shaft is fixedly arranged at the bottom of the third rotating rod, the second rotating shaft is rotatably arranged at the bottom of the groove, a lifting part is arranged on one side of the third gear, the lifting part includes an internal threaded sleeve, a third rotating shaft is fixedly arranged at the bottom of the internal threaded sleeve, the internal threaded sleeve is rotatably arranged at the bottom of the groove through the third rotating shaft, a fourth gear is fixedly sleeved outside the internal threaded sleeve, the fourth gear is meshed with the third gear, a threaded rod is inserted into the internal thread of the internal threaded sleeve, a fourth rotating shaft is fixedly arranged on the top of the threaded rod, and the threaded rod is rotatably arranged at the bottom of the bottom plate through the fourth rotating shaft.

5. The ejection mechanism of the injection mold according to claim 4, characterized in that: The bottom plate is made of heat-conducting material, a first mounting hole is opened on one side of the lower end of the groove, a hair dryer is installed in the first mounting hole, a second mounting hole is opened on the other side of the lower end of the groove, an exhaust fan is installed in the second mounting hole.

6. The ejection mechanism of the injection mold according to claim 5, characterized in that: A first dustproof net is arranged in the first mounting hole, and the first dustproof net can be detachably installed in the first mounting hole. A second dustproof net is arranged in the second mounting hole, and the second dustproof net can be detachably installed in the second mounting hole.

7. The ejection mechanism of the injection mold according to claim 6, characterized in that: Micro refrigerators are fixedly arranged on both sides of the bottom of the groove, and two micro refrigerators are arranged on both sides of the lifting mechanism.

8. The ejection mechanism of the injection mold according to claim 7, characterized in that: Water flow holes are respectively opened on both sides of the lower end of the groove, and the inner bottom of the water flow hole is flush with the inner bottom of the groove.

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