Ejection mechanism of injection mold
By designing an injection mold ejection mechanism with hydraulic push rod and telescopic rod, uniform ejection of the module is achieved, solving the problem of uneven force when ejecting plastic products in the prior art, and improving product quality .
Patent Information
- Application Number
- CN202421249822.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-06-03
AI Technical Summary
When the existing injection mold ejection mechanism is ejected from plastic products, the left and right ends are unevenly subjected to stress, resulting in easy damage to the product and reducing product quality.
A push-out mechanism for injection molds is designed, and the linkage plate is moved through the hydraulic push rod and the telescopic rod, thereby moving the first and second push rods, achieving uniform push-out operation on both sides, upper and lower parts of the module.
The plastic products are subjected to uniform stress at the left and right ends when ejected, avoiding damage caused by uneven stress, and improving the quality of the products produced.
Smart Images
Figure CN222431484U_ABST
Abstract
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] Injection molding, also known as injection molding, is a molding method that combines injection and molding. Injection molds are used to produce plastic products, and the ejector mechanism is a component of the injection mold. Although there are many types of ejector mechanisms for injection molds, they still cannot meet people's needs.
[0003] When the ejection mechanism of the existing injection mold ejects the plastic product formed in the injection mold, the left and right ends of the plastic product are often subjected to uneven force during ejection, which makes the plastic product easily damaged and lost due to the uneven force during ejection, thereby reducing the quality of the produced product. In order to solve the above problem, an ejection mechanism of the injection mold is proposed to solve the above problem. Utility Model Content
[0004] In view of this, the utility model provides an ejection mechanism for an injection mold. The utility model can start the hydraulic push rod and the telescopic rod to drive the linkage plate to move and push, so that the first fixer drives the first push rod to move and push, and the second fixer drives the second push rod to move and push, so that the first push plate performs ejection operations on both sides of the module, and the second push plate performs ejection operations on the middle, upper and lower parts of the module.
[0005] In order to solve the above technical problems, the utility model provides an ejection mechanism of an injection mold, including a demolding mold and a push plate in the demolding mold, a plurality of push holes are vertically arranged on both sides of the push plate, a first push rod is provided in the push hole, a first push plate is provided in front of the first push rod, a linkage plate is provided behind the first push rod, a plurality of push grooves are vertically arranged in the middle of the push plate, a second push plate is provided in front of the push groove, a second push rod is provided on both sides of the middle of the rear of the second push plate, the second push rod passes through the push groove and a linkage plate is provided behind it, a hydraulic push rod is provided behind the middle of the linkage plate, a hydraulic cylinder is provided behind the hydraulic push rod, and a hydraulic unit is provided behind the hydraulic cylinder.
[0006] A protective sleeve for protecting the first push rod is arranged on the surface of the first push rod, and the outer surface of the protective sleeve is connected with the inner surface of the push die hole.
[0007] A first fixer for connecting the first push rod and the first push plate is provided at the front end of the first push rod, the front end of the first fixer is fixed to the rear of the first push plate, a first connector for connecting the first push rod and the linkage plate is provided at the rear end of the first push rod, and the rear end of the first connector is fixed to the front of the linkage plate.
[0008] A second fixer for connecting the second push rod and the second push plate is provided at the front end of the second push rod, the front end of the second fixer is fixed to the rear of the second push plate, a second connector for connecting the second push rod and the linkage module is provided at the rear end of the second push rod, a linkage module for synchronous operation of the second connector is provided at the rear end of the second connector, and the rear end of the linkage module is fixed to the front of the linkage plate.
[0009] A hydraulic fixer for connecting the hydraulic push rod with a linkage plate is provided at the front end of the hydraulic push rod, the front end of the hydraulic fixer is fixed to the rear of the linkage plate, and a hydraulic connector for connecting the hydraulic push rod with a hydraulic cylinder is provided at the rear end of the hydraulic push rod.
[0010] A connecting plate for installing the connecting sleeve and the hydraulic connector is arranged behind the hydraulic connector, a first connecting port for connecting the hydraulic connector and the hydraulic cylinder is arranged through the middle of the connecting plate, and the hydraulic connector is connected to the hydraulic cylinder through the first connecting port.
[0011] Second connecting ports for fixing and installing connecting sleeves are provided at the four corners of the connecting plate, a connecting sleeve for protecting the telescopic rod is provided in the second connecting port, a telescopic rod for cooperating with the hydraulic push rod to push the linkage plate is provided in the connecting sleeve, a telescopic fixture for connecting the telescopic rod and the linkage plate is provided at the front end of the telescopic rod, the front end of the telescopic fixture is fixed to the rear of the linkage plate, a telescopic connector for connecting the telescopic rod and the hydraulic unit is provided at the rear end of the telescopic rod, and the telescopic connector is connected to the front of the hydraulic unit.
[0012] Support columns for connecting the connecting plate and the demolding mold are welded at the four corners of the connecting plate. The front end of the support column is fixed to the rear end surface of the demolding mold. A support frame for fixing and supporting the hydraulic unit is provided at the bottom of the hydraulic unit. A supporting slide plate for supporting the linkage plate and cooperating with the linkage plate to move is provided at the bottom of the linkage plate.
[0013] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:
[0014] 1. Start the hydraulic unit and the hydraulic cylinder to make the hydraulic push rod and the telescopic rod drive the linkage plate to move and push, and then the first fixer drives the first push rod to move and push, and then the second fixer drives the second push rod to move and push, and then the first push plate ejects the two sides of the module, and the second push plate ejects the middle, upper and lower parts of the module, and then the module is ejected evenly, so that the plastic products are evenly stressed at the left and right ends during ejection, preventing the plastic products from being damaged and lost due to uneven stress at both ends during ejection, thereby improving the quality of the products produced.
[0015] 2. Support columns for connecting the connecting plate and the demolding mold are welded at the four corners of the connecting plate. The front end of the support column is fixed to the rear end surface of the demolding mold. A support frame for fixing and supporting the hydraulic unit is provided at the bottom of the hydraulic unit. A supporting slide plate for supporting the linkage plate and cooperating with the linkage plate to move is provided at the bottom of the linkage plate. The supporting slide plate can move the linkage plate.
[0016] 3. A protective sleeve for protecting the first push rod is provided on the surface of the first push rod, the outer surface of the protective sleeve is connected to the inner surface of the push die hole, and second connecting ports for fixing and installing the connecting sleeve are provided through the four corners of the connecting plate, and a connecting sleeve for protecting the telescopic rod is provided in the second connecting port. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the main structure of an ejection mechanism of an injection mold of the utility model;
[0018] Figure 2 It is a top cross-sectional view of the utility model;
[0019] Figure 3 It is a side view structural schematic diagram of the utility model;
[0020] Figure 4 This is a front view structural schematic diagram of the utility model;
[0021] Figure 5 It is a side sectional view of the utility model;
[0022] Figure 6 It is a front cross-sectional view of the utility model.
[0023] Explanation of the reference numerals: 100, demoulding die; 101, ejection plate; 102, ejection die hole; 103, linkage plate; 104, ejection die groove; 200, first push rod; 201, first push plate; 202, protective sleeve; 203, first fixer; 204, first connector; 300, second push plate; 301, second push rod; 302, second fixer; 303, second connector; 304, linkage module; 400, hydraulic push rod; 401, hydraulic cylinder; 402, hydraulic unit; 403, hydraulic fixer; 404, hydraulic connector; 500, connecting plate; 501, first connecting port; 502, second connecting port; 503, telescopic fixer; 504, telescopic rod; 505, connecting sleeve; 506, telescopic connector; 507, support column; 508, support frame; 509, support slide plate. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-6The technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the utility model.
[0025] like Figure 1-6 As shown: This embodiment provides an ejection mechanism of an injection mold, including a demolding mold 100 and a push plate 101 in the demolding mold 100, a plurality of push holes 102 for moving a first push rod 200 are arranged vertically on both sides of the push plate 101, a first push rod 200 for driving the first push plate 201 to move is arranged in the push hole 102, a first push plate 201 for pushing the upper, middle and lower parts of both sides of the module is arranged in front of the first push rod 200, a linkage plate 103 for connecting the first push rod 200 with a hydraulic push rod 400 is arranged behind the first push rod 200, and a plurality of push grooves 103 for moving a second push rod 301 are arranged vertically in the middle of the push plate 101 4. A second push plate 300 is provided in front of the push die groove 104 for centrally pushing the upper, middle and lower parts of the module. Second push rods 301 for driving the second push plate 300 to move are provided on both sides of the middle of the rear of the second push plate 300. The second push rod 301 passes through the push die groove 104 and a linkage plate 103 for connecting the second push rod 301 with the hydraulic push rod 400 is provided at the rear. A hydraulic push rod 400 for driving the linkage plate 103 to move is provided at the rear of the middle of the linkage plate 103. A hydraulic cylinder 401 for driving the hydraulic push rod 400 is provided at the rear of the hydraulic push rod 400. A hydraulic unit 402 for increasing the energy of the hydraulic cylinder 401 and driving the telescopic rod 504 is provided behind the hydraulic cylinder 401.
[0026] When in use, start the hydraulic unit 402 and the hydraulic cylinder 401 so that the hydraulic push rod 400 and the telescopic rod 504 drive the linkage plate 103 to move and push, and then the first fixer 203 drives the first push rod 200 to move and push, and then the second fixer 302 drives the second push rod 301 to move and push, and then the first push plate 201 ejects the two sides of the module, and the second push plate 300 ejects the middle, upper and lower parts of the module, and then the module is evenly ejected.
[0027] This embodiment provides an ejection mechanism for an injection mold.
[0028] like Figure 2 , 5As shown: a protective sleeve 202 for protecting the first push rod 200 is provided on the surface of the first push rod 200, the first push rod 200 is slidably matched with the inner wall of the protective sleeve 202, the outer surface of the protective sleeve 202 is welded to the inner surface of the push die hole 102, a first fixer 203 for connecting the first push rod 200 with the first push plate 201 is provided at the front end of the first push rod 200, the first fixer 203 is mechanically connected to the first push rod 200, the front end of the first fixer 203 is connected and fixed to the back of the first push plate 201 by bolts, a first connector 204 for connecting the first push rod 200 with the linkage plate 103 is provided at the rear end of the first push rod 200, the first connector 204 is mechanically sealed and connected to the first push rod 200, and the rear end of the first connector 204 is connected and fixed to the front of the linkage plate 103 by bolts.
[0029] like Figure 2 , 4 As shown: a second fixer 302 for connecting the second push rod 301 and the second push plate 300 is provided at the front end of the second push rod 301, the second push rod 301 and the second fixer 302 are mechanically connected, the front end of the second fixer 302 is fixed to the back of the second push plate 300 by bolts, a second connector 303 for connecting the second push rod 301 and a linkage module 304 is provided at the rear end of the second push rod 301, the second push rod 301 and the second connector 303 are mechanically sealed, a linkage module 304 for synchronous operation of the second connector 303 is provided at the rear end of the second connector 303, the linkage module 304 is mechanically connected to the second connector 303, and the rear end of the linkage module 304 is fixed to the front of the linkage plate 103 by bolts.
[0030] like Figure 3 , 5 As shown: a hydraulic fixer 403 for connecting the hydraulic push rod 400 with the linkage plate 103 is provided at the front end of the hydraulic push rod 400, the hydraulic push rod 400 and the hydraulic fixer 403 are mechanically sealed, the front end of the hydraulic fixer 403 is fixed to the rear of the linkage plate 103 by bolts, a hydraulic connector 404 for connecting the hydraulic push rod 400 with the hydraulic cylinder 401 is provided at the rear end of the hydraulic push rod 400, the hydraulic push rod 400 and the hydraulic connector 404 are mechanically sealed, a connecting plate 500 for installing a connecting sleeve 505 and the hydraulic connector 404 is provided at the rear of the hydraulic connector 404, a first connecting port 501 for connecting the hydraulic connector 404 with the hydraulic cylinder 401 is penetrated in the middle of the connecting plate 500, and the hydraulic connector 404 is sealedly connected to the hydraulic cylinder 401 through the first connecting port 501.
[0031] like Figure 1 , 2As shown in , 3 and 4: second connecting ports 502 for fixing and installing connecting sleeves 505 are provided at the four corners of the connecting plate 500, and a connecting sleeve 505 for protecting the telescopic rod 504 is provided in the second connecting port 502, and the connecting sleeve 505 is welded and fixed to the inner wall of the second connecting port 502, and a telescopic rod 504 for cooperating with the hydraulic push rod 400 to push the linkage plate 103 is provided in the connecting sleeve 505, and the connecting sleeve 505 is sealed and matched with the telescopic rod 504, and a telescopic fixture 503 for connecting the telescopic rod 504 with the linkage plate 103 is provided at the front end of the telescopic rod 504, and the telescopic rod 504 is mechanically sealedly connected to the telescopic fixture 503, and the front end of the telescopic fixture 503 is connected and fixed to the back of the linkage plate 103 by bolts, and a telescopic connector 506 for connecting the telescopic rod 504 with the hydraulic unit 402 is provided at the rear end of the telescopic rod 504, and the telescopic rod 504 is sealedly connected to the telescopic connector 506, and the telescopic connector 506 is sealedly connected to the front of the hydraulic unit 402.
[0032] like Figure 1 , 2 As shown in , 3 and 5: support columns 507 for connecting the connecting plate 500 and the demolding mold 100 are welded at the four corner edges of the connecting plate 500, and the front end of the support column 507 is connected and fixed to the rear end surface of the demolding mold 100 by angle iron and bolts. A support frame 508 for fixing and supporting the hydraulic unit 402 is provided at the bottom of the hydraulic unit 402, and the support frame 508 is connected and fixed to the hydraulic unit 402 by bolts. A supporting slide plate 509 for supporting the linkage plate 103 and cooperating with the linkage plate 103 to move is provided at the bottom of the linkage plate 103, and the front end of the supporting slide plate 509 is welded and fixed to the demolding mold 100, and the rear end of the supporting slide plate 509 is welded and fixed to the connecting plate 500.
[0033] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.
[0034] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. An ejection mechanism for an injection mold, characterized in that: The invention comprises a demolding die (100) and a push plate (101) in the demolding die (100), wherein a plurality of push plate holes (102) are arranged vertically on both sides of the push plate (101), a first push rod (200) is arranged in the push plate hole (102), a first push plate (201) is arranged in front of the first push rod (200), a linkage plate (103) is arranged behind the first push rod (200), and a plurality of push plate grooves (104) are arranged vertically in the middle of the push plate (101). A second push plate (300) is provided in front of the push die groove (104), and second push rods (301) are provided on both sides of the middle of the rear of the second push plate (300). The second push rod (301) passes through the push die groove (104) and is provided with the linkage plate (103) at the rear. A hydraulic push rod (400) is provided at the rear of the middle of the linkage plate (103), and a hydraulic cylinder (401) is provided at the rear of the hydraulic push rod (400), and a hydraulic unit (402) is provided at the rear of the hydraulic cylinder (401).
2. The ejection mechanism of an injection mold according to claim 1, characterized in that: A protective sleeve (202) is provided on the surface of the first push rod (200), and the outer surface of the protective sleeve (202) is connected to the inner surface of the push die hole (102).
3. An ejection mechanism for an injection mold according to claim 2, characterized in that: A first fixer (203) is provided at the front end of the first push rod (200), and the front end of the first fixer (203) is fixed to the rear of the first push plate (201). A first connector (204) is provided at the rear end of the first push rod (200), and the rear end of the first connector (204) is fixed to the front of the linkage plate (103).
4. An ejection mechanism for an injection mold according to claim 3, characterized in that: A second fixer (302) is provided at the front end of the second push rod (301), and the front end of the second fixer (302) is fixed to the rear of the second push plate (300). A second connector (303) is provided at the rear end of the second push rod (301), and a linkage module (304) is provided at the rear end of the second connector (303), and the rear end of the linkage module (304) is fixed to the front of the linkage plate (103).
5. The ejection mechanism of an injection mold according to claim 4, characterized in that: The front end of the hydraulic push rod (400) is provided with a hydraulic fixer (403), the front end of the hydraulic fixer (403) is fixed to the rear of the linkage plate (103), and the rear end of the hydraulic push rod (400) is provided with a hydraulic connector (404).
6. An ejection mechanism for an injection mold according to claim 5, characterized in that: A connecting plate (500) is provided behind the hydraulic connector (404), a first connecting port (501) is provided through the middle of the connecting plate (500), and the hydraulic connector (404) is connected to the hydraulic cylinder (401) through the first connecting port (501).
7. An ejection mechanism for an injection mold according to claim 6, characterized in that: The four corners of the connecting plate (500) are penetrated by second connecting ports (502), the second connecting port (502) is provided with a connecting sleeve (505), the connecting sleeve (505) is provided with a telescopic rod (504), the front end of the telescopic rod (504) is provided with a telescopic fixer (503), the front end of the telescopic fixer (503) is fixed to the rear of the linkage plate (103), the rear end of the telescopic rod (504) is provided with a telescopic connector (506), and the telescopic connector (506) is connected to the front of the hydraulic unit (402).
8. An ejection mechanism for an injection mold according to claim 7, characterized in that: The four corners of the connecting plate (500) are welded with support columns (507), the front end of the support column (507) is fixed to the rear end surface of the demoulding die (100), the bottom of the hydraulic unit (402) is provided with a support frame (508), and the bottom of the linkage plate (103) is provided with a support slide plate (509).