CN210501184U - Rotary double-color mold runner and product separate ejection mechanism - Google Patents
Rotary double-color mold runner and product separate ejection mechanism Download PDFInfo
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- CN210501184U CN210501184U CN201921247507.1U CN201921247507U CN210501184U CN 210501184 U CN210501184 U CN 210501184U CN 201921247507 U CN201921247507 U CN 201921247507U CN 210501184 U CN210501184 U CN 210501184U
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Abstract
The utility model discloses a rotary bicolor mold runner and product separating ejection mechanism, which is arranged in a lower mold, wherein the lower mold comprises a bottom plate, and comprises a runner thimble, a runner thimble plate, a product thimble plate, a mold thimble and a machine bench thimble, the runner thimble plate and the product thimble plate are both arranged on the bottom plate, the runner thimble plate is arranged above the product thimble plate, the runner thimble is vertically arranged on the runner thimble plate, and the product thimble is vertically arranged on the product thimble plate; the mold ejector rod comprises an inner ejector rod and an outer ejector rod, the upper end of the inner ejector rod is fixedly connected with the runner ejector plate, and the upper end of the outer ejector rod is fixedly connected with the product ejector plate; the machine table jacking rod consists of a large-diameter jacking rod and a small-diameter jacking rod, the lower end of the small-diameter jacking rod is connected with the upper end of the large-diameter jacking rod, and the upper end of the small-diameter jacking rod is connected with the lower end of the inner jacking rod; the utility model discloses can be ejecting prior to injection moulding product with the runner of double-colored mould, the submarine gate scratch injection moulding product's of difficult appearance runner problem.
Description
Technical Field
The utility model relates to the technical field of mold, specifically be a rotatory double-colored mould runner separates ejection mechanism with the product.
Background
The double-color mold can be called as a double-color mold for short, and is a mold which is formed by injecting two plastic materials on the same injection molding machine in two times, but only one time of demolding. The double-color mold adopts a double-color mold injection molding process to perform injection molding, a double-color injection molding machine with two injection systems is used for injection molding, and two injection molding processes of primary injection molding and secondary injection molding are needed.
Most of the existing ejection mechanisms of the double-color mold eject and put in the mechanism together with the runner, and the problem that the submarine gate of the runner scratches the injection molding product easily occurs during ejection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotatory double-colored mould runner separates ejection mechanism with the product, can be ejecting with the runner of double-colored mould earlier than injection moulding product, the difficult problem that appears the submarine gate scratch injection moulding product of runner.
The utility model discloses a realize like this: a rotary bicolor mold runner and product separating ejection mechanism is arranged in a lower mold, the lower mold comprises a bottom plate and comprises a runner ejector pin, a runner ejector pin plate, a product ejector pin plate, a mold ejector pin and a machine table ejector pin, the runner ejector pin plate and the product ejector pin plate are both arranged on the bottom plate, the runner ejector pin plate is arranged above the product ejector pin plate, the runner ejector pin is vertically arranged on the runner ejector pin plate, the product ejector pin is vertically arranged on the product ejector pin plate, and the product ejector pin upwards penetrates through the runner ejector pin plate; the mold ejector rod comprises an inner ejector rod and an outer ejector rod, a central through hole is formed in the outer ejector rod along the height direction of the outer ejector rod, the inner ejector rod is arranged in the central through hole of the outer ejector rod and can freely slide along the hole wall of the central through hole, the upper end of the inner ejector rod is fixedly connected with the runner ejector plate, the upper end of the outer ejector rod is fixedly connected with the product ejector plate, and the lower end of the outer ejector rod penetrates through the bottom plate and is located below the bottom plate; the machine table jacking rod is composed of a large-diameter jacking rod and a small-diameter jacking rod, the large-diameter jacking rod and the small-diameter jacking rod are arranged in the same central axis, the lower end of the small-diameter jacking rod is connected with the upper end of the large-diameter jacking rod, the upper end of the small-diameter jacking rod is connected with the lower end of the inner jacking rod, the small-diameter jacking rod and the inner jacking rod are arranged in the same central axis, the diameter of the small-diameter jacking rod is not larger than that of the inner jacking rod, and the diameter of the large-diameter jacking rod is larger than the aperture of a central through hole of the outer.
Further, before the ejection operation is not carried out, the distance between the lower end of the outer ejector rod and the upper end of the large-diameter ejector rod is larger than the ejection stroke of the die.
Furthermore, before the ejection operation is not carried out, the lower end of the inner ejection rod is positioned below the lower end of the outer ejection rod.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses can be ejecting prior to injection moulding product with the runner of double-colored mould, the submarine gate scratch injection moulding product's of difficult appearance runner problem.
2. Before the ejection operation is not carried out, the distance between the lower end of the outer ejector rod and the upper end of the large-diameter ejector rod is greater than the ejection stroke of the die; by the arrangement, before the upper end of the large-diameter ejector rod contacts the lower end of the outer ejector rod, namely, before an injection product is ejected through the ejector pin of the product, the runner of the double-color mold is ejected out and completely separated from the injection product.
3. Before the ejection operation is not carried out, the lower end of the inner ejector rod is positioned below the lower end of the outer ejector rod; set up like this, make the utility model discloses the runner of moulding plastics for the second time has the ejecting effect of delay.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a top view of the rotary bicolor mold runner and product separating ejection mechanism of the present invention disposed in a lower mold;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a front view of the rotary bicolor mold runner and product separating ejection mechanism of the present invention disposed in the lower mold;
fig. 4 is a schematic structural view of the ejection mechanism for separating the rotary bicolor mold runner from the product of the present invention.
In the figure: 1. a base plate; 2. a flow passage thimble; 3. a runner ejector plate; 4. a product thimble; 5. a product ejector plate; 6. a mold jacking rod; 61. an inner top rod; 62. an outer top stick; 7. a machine table top roller; 71. a large-diameter jacking rod; 72. a small-diameter top rod.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, in an embodiment of the present invention, a rotary bicolor mold runner and product separating ejection mechanism is disposed in a lower mold, the lower mold includes a bottom plate 1, including a runner thimble 2, a runner thimble plate 3, a product thimble 4, a product thimble plate 5, a mold thimble 6 and a machine bench thimble 7, the runner thimble plate 3 and the product thimble plate 5 are both disposed on the bottom plate 1, and the runner thimble plate 3 is disposed above the product thimble plate 5, the runner thimble 2 is vertically disposed on the runner thimble plate 3, the product thimble 4 is vertically disposed on the product thimble plate 5, and the product thimble 4 upwardly passes through the runner thimble plate 3; the mold ejector rod 6 comprises an inner ejector rod 61 and an outer ejector rod 62, the outer ejector rod 62 is provided with a central through hole along the height direction, the inner ejector rod 61 is arranged in the central through hole of the outer ejector rod 62 and can freely slide along the hole wall of the central through hole, the upper end of the inner ejector rod 61 is fixedly connected with the runner ejector plate 3, the upper end of the outer ejector rod 62 is fixedly connected with the product ejector plate 5, and the lower end of the outer ejector rod 62 penetrates through the bottom plate 1 and is positioned below the bottom plate 1; machine top rod 7 comprises major diameter top rod 71 and minor diameter top rod 72, and major diameter top rod 71 and minor diameter top rod 72 are the same central axis and set up, and the lower extreme of minor diameter top rod 72 links to each other with the upper end of major diameter top rod 71, and the upper end of minor diameter top rod 72 links to each other with the lower extreme of interior top rod 61, and minor diameter top rod 72 and interior top rod 61 are the same central axis and set up, and the diameter of minor diameter top rod 72 is not more than the diameter of interior top rod 61, and the diameter of major diameter top rod 71 is greater than the aperture of the central through-hole of outer top rod 62.
The utility model discloses a theory of operation: the lower end of a large-diameter ejector rod 71 of the machine ejector rod 7 is connected with an extension rod of ejection equipment such as a hydraulic cylinder, an electric cylinder and an air cylinder, the ejection equipment is started, the extension rod of the ejection equipment drives the machine ejector rod 7 to move upwards, and because the diameter of a small-diameter ejector rod 72 is not larger than that of an inner ejector rod 61, when the small-diameter ejector rod 72 moves upwards, only the inner ejector rod 61 is jacked, but not the outer ejector rod 62, at the moment, the small-diameter ejector rod 72 drives the inner ejector rod 61 to move upwards, the inner ejector rod 61 drives a runner ejector pin 2 to move upwards through a runner ejector pin plate 3, and a runner is ejected without jacking an injection product; with the continuous upward movement of the extension rod of the ejection device, the upper end of the large-diameter ejector rod 71 contacts the lower end of the outer ejector rod 62 and then drives the outer ejector rod 62 to move upward, and the outer ejector rod 62 upwards drives the product ejector pin 4 to move upward through the product ejector pin plate 5, so that the injection molding product is ejected.
Therefore, the utility model discloses can be ejecting prior to injection moulding product with the runner of double-colored mould, the submarine gate scratch injection moulding product's of difficult appearance runner problem.
In the embodiment of the utility model, before the ejection operation, the distance between the lower end of the outer ejection rod 62 and the upper end of the large-diameter ejection rod 71 is larger than the ejection stroke of the mould; with the arrangement, before the upper end of the large-diameter ejector rod 71 contacts the lower end of the outer ejector rod 62, namely before the injection product is ejected through the product ejector pin 4, the runner of the two-color mold is ejected and completely separated from the injection product.
Referring to fig. 4, in the embodiment of the present invention, before the ejection operation, the lower end of the inner ejection rod 61 is located below the lower end of the outer ejection rod 62; set up like this, make the utility model discloses the runner of moulding plastics for the second time has the ejecting effect of delay.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A rotary bicolor mold runner and product separating ejection mechanism is arranged in a lower mold, the lower mold comprises a bottom plate (1), and is characterized by comprising a runner ejector pin (2), a runner ejector pin plate (3), a product ejector pin (4), a product ejector pin plate (5), a mold ejector pin (6) and a machine ejector pin (7), wherein the runner ejector pin plate (3) and the product ejector pin plate (5) are both arranged on the bottom plate (1), the runner ejector pin plate (3) is arranged above the product ejector pin plate (5), the runner ejector pin (2) is vertically arranged on the runner ejector pin plate (3), the product ejector pin (4) is vertically arranged on the product ejector pin plate (5), and the product ejector pin (4) upwards penetrates through the runner ejector pin plate (3); the mold ejector rod (6) comprises an inner ejector rod (61) and an outer ejector rod (62), a central through hole is formed in the outer ejector rod (62) along the height direction of the outer ejector rod, the inner ejector rod (61) is arranged in the central through hole of the outer ejector rod (62) and can freely slide along the hole wall of the central through hole, the upper end of the inner ejector rod (61) is fixedly connected with the runner ejector plate (3), the upper end of the outer ejector rod (62) is fixedly connected with the product ejector plate (5), and the lower end of the outer ejector rod (62) penetrates through the bottom plate (1) and is located below the bottom plate (1); the machine table jacking rod (7) is composed of a large-diameter jacking rod (71) and a small-diameter jacking rod (72), the large-diameter jacking rod (71) and the small-diameter jacking rod (72) are arranged in a concentric central axis mode, the lower end of the small-diameter jacking rod (72) is connected with the upper end of the large-diameter jacking rod (71), the upper end of the small-diameter jacking rod (72) is connected with the lower end of the inner jacking rod (61), the small-diameter jacking rod (72) and the inner jacking rod (61) are arranged in a concentric central axis mode, the diameter of the small-diameter jacking rod (72) is not larger than that of the inner jacking rod (61), and the diameter of the large-diameter jacking rod (71) is larger than the aperture of a central through hole of the outer jacking rod (62).
2. The runner and product separating ejection mechanism of a rotary bicolor mold according to claim 1, wherein the distance between the lower end of the outer ejector rod (62) and the upper end of the large diameter ejector rod (71) is greater than the ejection stroke of the mold before ejection.
3. The rotary bichromal mold runner and product separation ejector mechanism of claim 1 wherein the lower end of the inner knock rod (61) is below the lower end of the outer knock rod (62) before ejection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921247507.1U CN210501184U (en) | 2019-08-02 | 2019-08-02 | Rotary double-color mold runner and product separate ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921247507.1U CN210501184U (en) | 2019-08-02 | 2019-08-02 | Rotary double-color mold runner and product separate ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210501184U true CN210501184U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921247507.1U Active CN210501184U (en) | 2019-08-02 | 2019-08-02 | Rotary double-color mold runner and product separate ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210501184U (en) |
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2019
- 2019-08-02 CN CN201921247507.1U patent/CN210501184U/en active Active
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