Plastic part production injection mold capable of achieving rapid discharging

Abstract

The utility model relates to the technical field of injection molds, and discloses a quick-blanking injection mold for plastic part production, which comprises an upper mold and a lower mold, the top of the upper mold is provided with an upper support, the bottom of the lower mold is fixedly connected with a lower support, and the bottom of the outer wall of the upper mold is fixedly connected with a side plate. A sliding rod is fixedly connected to the bottom face of the side plate, a supporting plate is fixedly connected to the bottom of the sliding rod, the sliding rod penetrates through the outer side of the middle of the lower support, an ejector rod is fixedly connected to the middle of the top face of the supporting plate, the top of the ejector rod penetrates through the lower support and then is located in the lower die, and a discharging assembly used for discharging is installed on one face of the outer wall of the upper die. According to the injection mold, the ejector rod is connected with the upper mold through the sliding rod and the supporting plate, so that when the upper mold moves downwards, the ejector rod can move out of the lower mold, after the upper mold moves upwards, the ejector rod can enter the lower mold to eject a plastic part, the phenomenon of manual demolding is avoided, and the operation safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold for producing plastic parts with fast blanking. Background Art

[0002] Injection molded parts are plastic products manufactured through the injection molding process and are widely used in industries such as automotive, electronics, electrical appliances, medical, home furnishings, and packaging. Injection molding involves injecting heated, molten plastic material into a mold cavity under high pressure using an injection molding machine. After cooling and shaping, the desired product is formed. This process enables the efficient, high-precision, and high-volume production of complex plastic parts with excellent repeatability and consistency.

[0003] Injection molds are the core tools used in the production of molded parts, determining their shape, precision, and surface quality. Typically constructed from mold steel or other high-strength metals, these molds contain complex internal components, including the cavity, gate system, cooling system, and exhaust system. The mold cavity is precisely machined to the shape of the part being molded. Molten plastic enters the cavity through the gate and cools to form the final product.

[0004] When the existing injection molds for producing plastic parts are in use, after the production of the injection molded parts is completed, the injection molded parts need to be manually demolded and removed. However, due to the high temperature inside the injection mold, the safety of the operation is reduced. Therefore, a fast-feeding injection mold for producing plastic parts is proposed to solve the above problem. Summary of the Invention

[0005] In order to make up for the above shortcomings, the utility model provides an injection mold for the production of plastic parts with rapid material removal, aiming to improve the problem in the prior art that the temperature inside the injection mold is high, which leads to reduced operational safety when the injection molded parts are manually demolded and removed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an injection mold for the production of plastic parts with rapid unloading, comprising an upper mold and a lower mold, the top of the upper mold is provided with an upper support, the bottom of the lower mold is fixedly connected to the lower support, the bottom of the outer wall of the upper mold is fixedly connected to a side plate, the bottom surface of the side plate is fixedly connected to a sliding rod, the bottom of the sliding rod is fixedly connected to a support plate, the sliding rod passes through the middle outer side of the lower support, the middle of the top surface of the support plate is fixedly connected to a push rod, the top of the push rod passes through the lower support and is inside the lower mold, and a unloading assembly for unloading is installed on one side of the outer wall of the upper mold.

[0007] As a further description of the above technical solution:

[0008] The unloading assembly includes an inclined rod, the top of the inclined rod is rotatably connected to one side of the outer wall of the upper mold, the bottom of the inclined rod is rotatably connected to a cross rod, one side of the cross rod is fixedly connected to a push rod, the outer wall of the push rod is slidably connected to an ear plate, and the bottom of the ear plate is fixedly connected to the top surface of the lower support.

[0009] As a further description of the above technical solution:

[0010] A feed pipe is installed on the top of the upper mold, a driving rod is fixedly connected to the top surface of the upper support, and an output end of the driving rod is fixedly connected to the top surface of the upper mold.

[0011] As a further description of the above technical solution:

[0012] The bottom surface of the push rod is slightly higher than the top surface of the lower mold.

[0013] As a further description of the above technical solution:

[0014] The bottom of the upper support is fixedly connected with a connecting rod, and the bottom of the connecting rod is fixedly connected to the top surface of the lower support.

[0015] As a further description of the above technical solution:

[0016] A plurality of through holes are provided in the middle of the lower support, and the sliding rod and the push rod are both located in the through holes.

[0017] As a further description of the above technical solution:

[0018] The bottom of the oblique rod is fixedly connected with a sleeve, and the inner wall of the sleeve is slidably connected to the middle part of the outer wall of the cross rod.

[0019] As a further description of the above technical solution:

[0020] A mounting plate is fixedly connected to the middle of one side of the outer wall of the upper mold, a rotating shaft is rotatably connected to the middle of the mounting plate, one end of the rotating shaft is fixedly connected to the oblique rod, and the other end of the rotating shaft is fixedly connected to the limiting plate.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the present invention, the ejector rod is connected to the upper mold by using a sliding rod and a support plate. Therefore, when the upper mold moves downward, the ejector rod will move out of the lower mold. When the upper mold moves upward, the ejector rod will enter the lower mold and eject the plastic part, thereby avoiding the phenomenon of manual demoulding and improving the safety of the operation.

[0023] 2. In the present invention, the upper mold can squeeze the inclined rod. Therefore, after the upper mold moves downward, the inclined rod will squeeze the cross rod to make the push rod move away from the lower mold. When the upper mold moves upward, the upper mold will pull the inclined rod and drive the cross rod to make the push rod close to the lower mold, thereby ejecting the plastic after demolding, further improving the safety of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the three-dimensional structure of an injection mold for producing plastic parts with rapid blanking proposed by the present invention;

[0025] Figure 2 This is a disassembled diagram of the support plate structure of an injection mold for producing plastic parts with rapid blanking proposed by the utility model;

[0026] Figure 3 This is a structural breakdown diagram of the inclined rod portion of an injection mold for producing plastic parts with rapid blanking proposed by the utility model;

[0027] Figure 4 for Figure 3 Top view of the middle diagonal rod.

[0028] Legend:

[0029] 1. Upper die; 2. Lower die; 3. Upper support; 4. Lower support; 5. Side plate; 6. Sliding rod; 7. Support plate; 8. Ejector rod; 9. Feed pipe; 10. Driving rod; 11. Connecting rod; 12. Diagonal rod; 13. Cross rod; 14. Push rod; 15. Ear plate; 16. Mounting plate; 17. Rotating shaft; 18. Limit plate; 19. Sleeve. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the specification of this utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the embodiments described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this utility model.

[0031] Reference Figure 1 and Figure 2The utility model provides an embodiment: an injection mold for the production of plastic parts with rapid unloading, comprising an upper mold 1 and a lower mold 2, an upper support 3 is provided on the top of the upper mold 1, and the bottom of the lower mold 2 is fixedly connected to the lower support 4, the bottom of the outer wall of the upper mold 1 is fixedly connected to a side plate 5, the bottom surface of the side plate 5 is fixedly connected to a sliding rod 6, the bottom of the sliding rod 6 is fixedly connected to a support plate 7, the sliding rod 6 passes through the middle outer side of the lower support 4, the middle of the top surface of the support plate 7 is fixedly connected to a push rod 8, the top of the push rod 8 passes through the lower support 4 and is inside the lower mold 2, and a discharge assembly for unloading is installed on one side of the outer wall of the upper mold 1.

[0032] During the process of injection molding of plastic parts, when the upper mold 1 moves down and contacts the lower mold 2, the upper mold 1 will press the side plates 5, slide rods 6 and support plates 7 to move down, thereby driving the ejector rod 8 to move down and be discharged from the lower mold 2. At this time, the injection molding operation can be carried out. When the injection molding operation is completed, the upper mold 1 is separated from the lower mold 2, and after the upper mold 1 moves up, the upper mold 1 will drive the slide rod 6, support plate 7 and ejector rod 8 to move up, thereby causing the ejector rod 8 to enter the lower mold 2. Therefore, the ejector rod 8 can be used to eject the molded plastic parts, thereby realizing automatic demolding of the plastic, thereby avoiding the phenomenon of manual demolding, thereby improving safety during operation.

[0033] Reference Figure 1 、 Figure 3 and Figure 4 The unloading assembly includes an inclined rod 12, the top of the inclined rod 12 is rotatably connected to one side of the outer wall of the upper mold 1, the bottom of the inclined rod 12 is rotatably connected to a cross rod 13, one side of the cross rod 13 is fixedly connected to a push rod 14, the outer wall of the push rod 14 is slidably connected to an ear plate 15, the bottom of the ear plate 15 is fixedly connected to the top surface of the lower support 4, and the bottom surface of the push rod 14 is slightly higher than the top surface of the lower mold 2.

[0034] When the upper mold 1 moves downward, the upper mold 1 will squeeze the oblique rod 12 and then drive the cross rod 13 to move the push rod 14. At this time, the push rod 14 will move away from the lower mold 2. After the injection molding is completed, when the upper mold 1 moves upward and separates from the lower mold 2, the upper mold 1 will pull the oblique rod 12. At this time, the oblique rod 12 will pull the cross rod 13 to make the push rod 14 close to the lower mold 2. Since the push rod 14 is slightly higher than the top surface of the lower mold 2, the push rod 14 will be above the lower mold 2 when the upper mold 1 moves upward, and then the injection molded part after demolding will be ejected, thereby avoiding the phenomenon of manual removal, thereby further improving the safety during operation.

[0035] Reference Figure 1 and Figure 2 A feed tube 9 is mounted on the top of the upper mold 1. A drive rod 10 is fixedly connected to the top surface of the upper support 3, and the output end of the drive rod 10 is fixedly connected to the top surface of the upper mold 1. A connecting rod 11 is fixedly connected to the bottom of the upper support 3, and the bottom of the connecting rod 11 is fixedly connected to the top surface of the lower support 4. A plurality of through holes are formed in the middle of the lower support 4, and the slide rod 6 and the ejector rod 8 are both located in the through holes.

[0036] The upper mold 1 can be connected to the injection molding machine through the feed pipe 9, and the molten plastic raw material can be transported between the upper mold 1 and the lower mold 2. The driving rod 10 can drive the upper mold 1 to move up and down, and the connecting rod 11 can support the upper support 3 and the lower support 4. The multiple through holes on the lower support 4 can provide space for the movement of the slide rod 6 and the push rod 8.

[0037] Reference Figure 1 、 Figure 3 and Figure 4 The bottom of the diagonal rod 12 is fixedly connected to a sleeve 19, and the inner wall of the sleeve 19 is slidably connected to the middle of the outer wall of the crossbar 13. The middle of one side of the outer wall of the upper mold 1 is fixedly connected to a mounting plate 16, and the middle of the mounting plate 16 is rotatably connected to a rotating shaft 17. One end of the rotating shaft 17 is fixedly connected to the diagonal rod 12, and the other end of the rotating shaft 17 is fixedly connected to a limit plate 18.

[0038] By sleeve 19 being arranged outside cross bar 13, the inclined bar 12 and cross bar 13 can rotate with each other, and the inclined bar 12 and upper mold 1 can rotate with each other by using rotating shaft 17 and mounting plate 16. At the same time, the position of rotating shaft 17 and inclined bar 12 can be limited by limiting plate 18, thereby improving the operation stability of the device.

[0039] Working principle: When in use, first connect the feed pipe 9 with the plastic raw material, then use the drive rod 10 to push the upper mold 1 out, then the upper mold 1 will drive the slide rod 6 to move downward, thereby pressing the support plate 7 and the ejector rod 8 to move downward, and the ejector rod 8 will move out from the lower mold 2, and the upper mold 1 will also squeeze the inclined rod 12 after moving downward, and the inclined rod 12 will drive the cross bar 13 to make the push rod 14 slide in the ear plate 15, and make the push rod 14 away from the lower mold 2. When the bottom surface of the upper mold 1 contacts the top surface of the upper mold 1, the injection molding machine is driven to inject the injection molding material along the feed pipe 9 into the mold cavity of the upper mold 1 and the lower mold 2. At this time, injection molding can be carried out. After the injection molded part is formed, the drive rod 10 is used to drive the upper mold 1 to move upward to separate it from the lower mold 2 When the upper mold 1 moves upward, the upper mold 1 will pull the sliding rod 6 to make it slide in the lower support 4, and will also move the support plate 7 and the ejector rod 8 upward, so that the ejector rod 8 can enter the lower mold 2, and the molded injection molded part can be ejected to achieve demoulding, and when the upper mold 1 moves upward, the upper mold 1 will also pull the inclined rod 12. At this time, the top of the pull rod will rotate along the rotating shaft 17, so the pull rod will drive the sleeve 19 to pull the cross bar 13, and the cross bar 13 can be used to drive the push rod 14 to slide on the ear plate 15 and approach the lower mold 2. Finally, the push rod 14 will be above the lower mold 2, and then the demoulded plastic part can be ejected, so that it can be discharged from the opposite side of the push rod 14 to the outside of the device, thereby realizing the demoulding of the injection molded part.

[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 replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An injection mold for producing plastic parts with rapid blanking, comprising an upper mold (1) and a lower mold (2), characterized in that: The top of the upper mold (1) is provided with an upper support (3), the bottom of the lower mold (2) is fixedly connected to the lower support (4), the bottom of the outer wall of the upper mold (1) is fixedly connected to a side plate (5), the bottom surface of the side plate (5) is fixedly connected to a slide rod (6), the bottom of the slide rod (6) is fixedly connected to a support plate (7), the slide rod (6) passes through the middle outer side of the lower support (4), the middle of the top surface of the support plate (7) is fixedly connected to a push rod (8), the top of the push rod (8) passes through the lower support (4) and is located inside the lower mold (2), and a discharge assembly for discharge is installed on one side of the outer wall of the upper mold (1).

2. The injection mold for producing plastic parts with rapid blanking according to claim 1, characterized in that: The unloading assembly includes an inclined rod (12), the top of the inclined rod (12) is rotatably connected to one side of the outer wall of the upper mold (1), the bottom of the inclined rod (12) is rotatably connected to a cross rod (13), one side of the cross rod (13) is fixedly connected to a push rod (14), the outer wall of the push rod (14) is slidably connected to an ear plate (15), and the bottom of the ear plate (15) is fixedly connected to the top surface of the lower support (4).

3. The injection mold for producing plastic parts with rapid blanking according to claim 1, characterized in that: A feed pipe (9) is installed on the top of the upper mold (1), a driving rod (10) is fixedly connected to the top surface of the upper support (3), and an output end of the driving rod (10) is fixedly connected to the top surface of the upper mold (1).

4. The injection mold for producing plastic parts with rapid blanking according to claim 2, characterized in that: The bottom surface of the push rod (14) is slightly higher than the top surface of the lower mold (2).

5. The injection mold for producing plastic parts with rapid blanking according to claim 1, characterized in that: The bottom of the upper support (3) is fixedly connected to a connecting rod (11), and the bottom of the connecting rod (11) is fixedly connected to the top surface of the lower support (4).

6. The injection mold for producing plastic parts with rapid blanking according to claim 1, characterized in that: A plurality of through holes are provided in the middle of the lower support (4), and the sliding rod (6) and the top rod (8) are both located in the through holes.

7. The injection mold for producing plastic parts with rapid blanking according to claim 2, characterized in that: The bottom of the oblique rod (12) is fixedly connected to a sleeve (19), and the inner wall of the sleeve (19) is slidably connected to the middle of the outer wall of the cross rod (13).

8. The injection mold for producing plastic parts with rapid blanking according to claim 7, characterized in that: A mounting plate (16) is fixedly connected to the middle of one side of the outer wall of the upper mold (1), and a rotating shaft (17) is rotatably connected to the middle of the mounting plate (16). One end of the rotating shaft (17) is fixedly connected to the inclined rod (12), and the other end of the rotating shaft (17) is fixedly connected to the limiting plate (18).

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