CN215969914U - Ejection mechanism for injection molding machine - Google Patents

Ejection mechanism for injection molding machine Download PDF

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Publication number
CN215969914U
CN215969914U CN202122153246.0U CN202122153246U CN215969914U CN 215969914 U CN215969914 U CN 215969914U CN 202122153246 U CN202122153246 U CN 202122153246U CN 215969914 U CN215969914 U CN 215969914U
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ejection
ring frame
wall
fixedly connected
assembly
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CN202122153246.0U
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马凤云
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Linyi Hongxing Machinery Co ltd
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Linyi Hongxing Machinery Co ltd
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Abstract

The utility model discloses an ejection mechanism for an injection molding machine, which relates to the technical field of ejection mechanisms for injection molding machines and comprises a main body device, an ejection assembly and a ring frame assembly, wherein the ejection assembly is arranged inside the main body device, the ring frame assembly is arranged above the ejection assembly, an installation shell is arranged inside the ejection assembly, a lower template is arranged inside the installation shell, a sliding groove is formed in the bottom surface of the lower template, an ejection rod is movably connected to the inner wall of the sliding groove, and a sliding plate is fixedly connected to the bottom end of the ejection rod. The utility model finishes the first-stage separation of the die by ejecting the ring frame, finishes the second-stage separation by pushing the ejector rod, adopts the step of separating the guide rod by pushing the frame, demolds by utilizing the linkage of the ejection assembly and the ring frame assembly, has simple integral structure, is convenient to disassemble and maintain, and greatly increases the success rate of demolding products by adopting a step-by-step separation mode.

Description

Ejection mechanism for injection molding machine
Technical Field
The utility model relates to the technical field of ejection mechanisms for injection molding machines, in particular to an ejection mechanism for an injection molding machine.
Background
An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. In the mold opening process, a pushing mechanism is needed to push out or pull out the plastic product and the solidified material in the runner. The push-out fixing plate and the push plate are used for clamping the push rod. A reset rod is generally fixed in the push rod, and the reset rod enables the push plate to reset when the movable die and the fixed die are assembled.
On a common die, the push-out mechanism is reset in advance by a reset rod spring, and then reset is realized to the end by extruding a reset rod. Such molds have certain drawbacks in use.
The following problems exist in the prior art:
1. in the closing process of the existing push-out mechanism mold, other collision and penetration positions and a reset rod in the push-out mechanism can collide with a front mold and are pressed at the same time, so that the other collision and penetration positions in the push-out mechanism are subjected to large stress, abrasion is caused, and even serious accidents such as mold collision and the like occur;
2. the existing push-out mechanism is complex in structure, low in forming probability, capable of influencing production efficiency and not beneficial to daily maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model provides an ejection mechanism for an injection molding machine, which aims to provide an ejection assembly and a ring frame assembly and solves the problems that other collision through positions and a reset rod in the ejection mechanism are likely to collide with a front mold and be pressed simultaneously in the closing process of a mold of the existing ejection mechanism, so that the other collision through positions in the ejection mechanism are subjected to larger stress, abrasion is caused, and even serious accidents such as mold collision occur; wherein another kind of purpose is in order to solve present ejecting mechanism not only the structure comparatively complicated, and fashioned probability is not high moreover, has influenced production efficiency, also does not benefit to daily maintenance problem simultaneously to reach simple structure and realize good demolding effect.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the ejection mechanism for the injection molding machine comprises a main body device, an ejection assembly and a ring frame assembly, wherein the ejection assembly is arranged inside the main body device, and the ring frame assembly is arranged above the ejection assembly.
The ejection mechanism comprises an ejection assembly and is characterized in that an installation shell is arranged inside the ejection assembly, a lower template is arranged inside the installation shell, a sliding groove is formed in the bottom surface of the lower template, an ejection rod is movably connected to the inner wall of the sliding groove, and a sliding plate is fixedly connected to the bottom end of the ejection rod.
The inside of ring frame subassembly is provided with ejecting ring frame, the both sides fixedly connected with auxiliary fixed block of ejecting ring frame, the last fixed surface of auxiliary fixed block is connected with the ring frame gag lever post.
The technical scheme of the utility model is further improved as follows: the upper surface of the ring frame limiting rod is fixedly connected with a limiting block, the outer wall of the bottom end of the ejection rod is movably connected with a second reset spring, the bottom end of the second reset spring is fixedly connected with the upper surface of the sliding plate, the bottom surface of the sliding plate is movably connected with a linkage block, a sliding hole is formed in the bottom surface of the inner wall of the mounting shell, and a mounting sliding groove is formed in the upper surface of the sliding plate.
The technical scheme of the utility model is further improved as follows: the device comprises a linkage block, a first reset spring is fixedly connected to one side of the top end of the linkage block, the first reset spring is far away from an installation limiting block fixedly connected to one end of the linkage block, a pushing block is movably connected to the bottom end of the linkage block, a guide sliding rod is fixedly connected to the right side of the pushing block, the outer wall of the guide sliding rod is movably connected to the inner wall of a sliding hole, and the outer wall of the guide sliding rod is movably connected to an installation sliding groove.
The technical scheme of the utility model is further improved as follows: the bottom surface of the lower template is fixedly connected with the top end of the guide sliding rod, and the inner wall of the ejection ring frame is movably connected with the outer wall of the lower template.
The technical scheme of the utility model is further improved as follows: an upper template is arranged above the lower template, limiting slide holes are formed in the upper surfaces of the two sides of the upper template, and the inner walls of the limiting slide holes are movably connected with the outer wall of the ring frame limiting rod.
The technical scheme of the utility model is further improved as follows: the sliding grooves are formed in two sides of the mounting shell, and the inner walls of the sliding grooves are movably connected with auxiliary power blocks.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:
1. the utility model provides an ejection mechanism for an injection molding machine, which adopts a step that a frame is pushed to a guide rod to separate in a grading separation process in a mold building process, utilizes an ejection ring frame 13 to complete the first-stage separation of a mold, and then utilizes the pushing of an ejection rod 9 to complete the second-stage separation, thereby well solving the problems that other collision positions and a reset rod in the ejection mechanism are likely to collide with a front mold and are pressed simultaneously in the mold closing process of the existing ejection mechanism, so that the other collision positions in the ejection mechanism are subjected to larger stress, abrasion is caused, even the serious accidents such as mold collision and the like occur.
2. The utility model provides an ejection mechanism for an injection molding machine, which is simple in overall structure and convenient to disassemble and maintain by utilizing the linkage demoulding of an ejection assembly 2 and a ring frame assembly 3, and simultaneously adopts a step-by-step separation mode, so that the successful rate of demoulding of a product is greatly increased, and the problems that the existing ejection mechanism is complex in structure, low in forming probability, influenced in production efficiency and not beneficial to daily maintenance are well solved.
Drawings
FIG. 1 is a schematic structural diagram of a main body device according to the present invention;
FIG. 2 is a schematic diagram showing the structure of the main device of the present invention in detail;
FIG. 3 is a schematic view of the ring frame assembly of the present invention;
fig. 4 is an enlarged view of the structure at the position a of the present invention.
In the figure: 1. a main body device; 2. ejecting the assembly; 3. a ring frame assembly; 4. mounting a template; 5. a lower template; 6. a first sliding groove; 7. a sliding plate; 8. a guide slide bar; 9. ejecting the rod; 10. a second sliding groove; 11. an auxiliary power block; 12. an auxiliary fixing block; 13. ejecting the ring frame; 14. a ring frame limiting rod; 15. a limiting block; 16. a first return spring; 17. installing a limiting block; 18. a linkage block; 19. a pushing block; 20. installing a shell; 21. a second return spring.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in figures 1-4, the utility model provides an ejection mechanism for an injection molding machine, which comprises a main body device 1, an ejection assembly 2 and a ring frame assembly 3, wherein the ejection assembly 2 and the ring frame assembly 3 are used for linkage demolding, the overall structure is simple, disassembly and maintenance are convenient, meanwhile, a step-by-step separation mode is adopted, the success rate of product demolding is greatly increased, the ejection assembly 2 is arranged in the main body device 1, the ring frame assembly 3 is arranged above the ejection assembly 2, an installation shell 20 is arranged in the ejection assembly 2, a lower template 5 is arranged in the installation shell 20, a first sliding groove 6 is arranged on the bottom surface of the lower template 5, an ejection rod 9 is movably connected to the inner wall of the first sliding groove 6, a sliding plate 7 is fixedly connected to the bottom end of the ejection rod 9, an ejection ring frame 13 is arranged in the ring frame assembly 3, and a step of pushing a guide rod to separate is adopted in the step-by step separation in the modeling process, utilize ejecting ring frame 13 to accomplish the mould one-level and break away from, recycle the promotion of ejector pin 9 and accomplish the second grade and break away from, the both sides fixedly connected with auxiliary fixed block 12 of ejecting ring frame 13, the last fixed surface of auxiliary fixed block 12 is connected with ring frame gag lever post 14, the last fixed surface of ring frame gag lever post 14 is connected with stopper 15, the bottom outer wall swing joint of ejector pin 9 has second reset spring 21, the bottom of second reset spring 21 and the last fixed surface of sliding plate 7 are connected, the bottom surface swing joint of sliding plate 7 has linkage block 18, the slide opening has been seted up to the inner wall bottom surface of installation casing 20.
Example 2
As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, one side of the top end of the linkage block 18 is fixedly connected with a first reset spring 16, one end of the first reset spring 16, which is far away from the linkage block 18, is fixedly connected with an installation limiting block 17, the bottom end of the linkage block 18 is movably connected with a pushing block 19, the right side of the pushing block 19 is fixedly connected with a guide slide rod 8, the outer wall of the guide slide rod 8 is movably connected with the inner wall of a slide hole, the bottom surface of the lower template 5 is fixedly connected with the top end of the guide slide rod 8, the inner wall of the ejection ring frame 13 is movably connected with the outer wall of the lower template 5, the upper template 4 is arranged above the lower template 5, the upper surfaces of the two sides of the upper template 4 are provided with limiting slide holes, the inner wall of the limiting slide hole is movably connected with the outer wall of the ring frame limiting rod 14, the two sides of the installation shell 20 are provided with second slide grooves 10, and the inner wall of the second slide grooves 10 are movably connected with an auxiliary power block 11.
The operation principle of the ejector mechanism for an injection molding machine will be described in detail below.
As shown in fig. 1-4, during mold stripping, the auxiliary power block 11 slides on the inner wall of the second sliding groove 10 to drive the lower mold plate 5 to move downward, when the limiting block 15 contacts the upper surface of the upper mold plate 4, the push-out ring frame 13 stops moving downward to push a part of the mold to slowly separate from the lower mold plate 5, along with the gradual downward movement of the lower mold plate 5, the push block 19 guiding the side position of the slide bar 8 presses the link block 18 downward to rotate, the first return spring 16 is stretched, meanwhile, the top end of the link block 18 pushes the slide bar 7 to move upward, along with the upward movement of the slide bar 7, the push-out bar 9 is driven, and simultaneously the second return spring 21 is compressed to push out the rest part of the mold by the push-out bar 9, during mold closing, the lower mold plate 5 is reset under the reaction force of the second return spring 21, and the link block 18 is reset under the action of the first return spring 16.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.

Claims (6)

1. The utility model provides an ejection mechanism that injection molding machine was used, includes main part device (1), ejecting subassembly (2) and ring frame subassembly (3), its characterized in that: an ejection assembly (2) is arranged in the main body device (1), and a ring frame assembly (3) is arranged above the ejection assembly (2);
an installation shell (20) is arranged inside the ejection assembly (2), a lower template (5) is arranged inside the installation shell (20), a first sliding groove (6) is formed in the bottom surface of the lower template (5), an ejection rod (9) is movably connected to the inner wall of the first sliding groove (6), and a sliding plate (7) is fixedly connected to the bottom end of the ejection rod (9);
the ring frame assembly is characterized in that an ejection ring frame (13) is arranged inside the ring frame assembly (3), auxiliary fixing blocks (12) are fixedly connected to two sides of the ejection ring frame (13), and ring frame limiting rods (14) are fixedly connected to the upper surfaces of the auxiliary fixing blocks (12).
2. The ejector mechanism of claim 1, wherein: the upper surface of the ring frame limiting rod (14) is fixedly connected with a limiting block (15), the outer wall of the bottom end of the ejection rod (9) is movably connected with a second reset spring (21), the bottom end of the second reset spring (21) is fixedly connected with the upper surface of the sliding plate (7), the bottom surface of the sliding plate (7) is movably connected with a linkage block (18), the inner wall bottom surface of the installation shell (20) is provided with a sliding hole, one side of the sliding plate (7) is fixedly connected with the inner wall of the installation shell (20), and the upper surface of the sliding plate (7) is provided with an installation sliding groove.
3. The ejector mechanism of claim 2, wherein: the utility model discloses a sliding block's structure, including linkage block (18), top one side fixedly connected with first reset spring (16) of linkage block (18), first reset spring (16) are kept away from the one end fixedly connected with installation limiting block (17) of linkage block (18), the bottom swing joint of linkage block (18) has and promotes piece (19), the right side fixedly connected with direction slide bar (8) that promotes piece (19), the bottom outer wall of direction slide bar (8) with the inner wall swing joint of slide opening, the outer wall of direction slide bar (8) with installation spout swing joint.
4. An ejection mechanism for an injection molding machine as claimed in claim 3, wherein: the bottom surface of the lower template (5) is fixedly connected with the top end of the guide sliding rod (8), and the inner wall of the ejection ring frame (13) is movably connected with the outer wall of the lower template (5).
5. The ejector mechanism of claim 1, wherein: an upper template (4) is arranged above the lower template (5), limiting slide holes are formed in the upper surfaces of two sides of the upper template (4), and the inner walls of the limiting slide holes are movably connected with the outer wall of the ring frame limiting rod (14).
6. The ejector mechanism of claim 1, wherein: and second sliding grooves (10) are formed in two sides of the mounting shell (20), and auxiliary power blocks (11) are movably connected to the inner walls of the second sliding grooves (10).
CN202122153246.0U 2021-09-08 2021-09-08 Ejection mechanism for injection molding machine Active CN215969914U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122153246.0U CN215969914U (en) 2021-09-08 2021-09-08 Ejection mechanism for injection molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122153246.0U CN215969914U (en) 2021-09-08 2021-09-08 Ejection mechanism for injection molding machine

Publications (1)

Publication Number Publication Date
CN215969914U true CN215969914U (en) 2022-03-08

Family

ID=80467933

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122153246.0U Active CN215969914U (en) 2021-09-08 2021-09-08 Ejection mechanism for injection molding machine

Country Status (1)

Country Link
CN (1) CN215969914U (en)

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