CN211640836U - Stub bar automatic cutout mechanism - Google Patents
Stub bar automatic cutout mechanism Download PDFInfo
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- CN211640836U CN211640836U CN201922418723.4U CN201922418723U CN211640836U CN 211640836 U CN211640836 U CN 211640836U CN 201922418723 U CN201922418723 U CN 201922418723U CN 211640836 U CN211640836 U CN 211640836U
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- wedge block
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- groove
- stub bar
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Abstract
The utility model discloses an automatic cutting mechanism for a stub bar, which comprises a cover plate, a stripper plate, a fixed template and a movable template, wherein the cover plate and the stripper plate are provided with vertical runners, the fixed template is provided with transverse runners, the vertical runners are communicated with the transverse runners, the lower parts of the transverse runners are communicated with a branch runner, the fixed template is provided with a holding tank, the lower side surface of the stripper plate is fixed with a connecting rod, and the connecting rod is arranged in the holding tank; the end part of the accommodating groove is fixedly connected with a vertical wedge block, the inclined plane of the vertical wedge block faces the sub-channel, and a first guide rail is arranged on the inclined plane of the vertical wedge block. The utility model discloses with the help of two wedge, the up-and-down motion that will take off the flitch converts the side-to-side motion of cutter to just can cut off the stub bar when taking off the flitch and opening, convenient to use need not artificial intervention, and is with low costs.
Description
Technical Field
The utility model relates to an injection moulding device specifically is a stub bar automatic cutout mechanism.
Background
A stub bar called a runner is additionally generated in the production process of an injection molding product, and the stub bar can be connected with the product and needs to be manually cut off at the later stage, so that the production period is prolonged, and the labor cost is increased.
SUMMERY OF THE UTILITY MODEL
For solving the defect of above-mentioned prior art, the utility model provides a stub bar automatic cutout mechanism, the utility model discloses with the help of two wedges, the up-and-down motion that will take off the flitch converts the side-to-side motion of cutter to just can cut off the stub bar when taking off the flitch and opening, convenient to use need not artificial intervention, and is with low costs.
In order to achieve the technical purpose, the utility model adopts the following technical scheme: an automatic cutting mechanism for a stub bar comprises a cover plate, a stripper plate, a fixed template and a movable template, wherein vertical runners are arranged on the cover plate and the stripper plate, a transverse runner is arranged on the fixed template, the vertical runner is communicated with the transverse runner, a sub-runner is communicated below the transverse runner, an accommodating groove is arranged on the fixed template, a connecting rod is fixed on the lower side surface of the stripper plate, and the connecting rod is arranged in the accommodating groove; the end part of the accommodating groove is fixedly connected with a vertical wedge-shaped block, the inclined surface of the vertical wedge-shaped block faces the sub-runner, and a first guide rail is arranged on the inclined surface of the vertical wedge-shaped block;
a fixed block is arranged on the bottom side surface of the accommodating groove, and a second sliding groove is formed in the fixed block; a transverse wedge block is arranged on the fixed block, a second guide rail is arranged at the lower end of the transverse wedge block, and the second guide rail slides along the second sliding groove; a first sliding groove is formed in the inclined surface of the transverse wedge-shaped block and matched with the first guide rail;
a connecting column is fixed at one end of the transverse wedge block, which is far away from the vertical wedge block, a cutter is fixed at the other end of the connecting column, a through groove is formed in the fixed template, the through groove is communicated with the sub-runner, and the connecting column penetrates through the through groove and moves in the through groove;
the connecting column is fixedly provided with a ring plate, a spring is fixed on the ring plate, and the other end of the spring is fixed on the side face of the accommodating groove.
Further, the end of the first guide rail is arranged in a round angle mode.
Further, the inclined plane of the vertical wedge-shaped block is in contact with the inclined plane of the transverse wedge-shaped block.
Further, the end of the second guide rail is arranged in a round angle mode.
Further, the smaller end of the vertical wedge-shaped block faces upwards; the smaller end of the transverse wedge block faces downwards.
To sum up, the utility model discloses following technological effect has been gained:
1. the utility model is provided with the holding tank inside the fixed die plate for holding the cutting mechanism, thereby occupying no extra space;
2. the utility model utilizes the connecting rod to connect a vertical wedge block on the stripper plate, which can move upwards along with the upward movement of the stripper plate, thereby stirring the horizontal wedge block to move rightwards and finally promoting the cutter to cut off the stub bar;
3. the utility model is provided with the first sliding chute and the first guide rail between the vertical wedge block and the horizontal wedge block, which ensures the laminating movement between the vertical wedge block and the horizontal wedge block, avoids the separation of the two blocks and ensures the stability of the movement;
4. the utility model has the advantages that the second guide rail and the second sliding groove are arranged between the fixed die plate and the transverse wedge block to slide, the movement direction of the transverse wedge block is ensured to be horizontal and to be towards the stub bar, and the stub bar can be accurately cut off;
5. the utility model discloses set up spring and crown plate on the spliced pole, can guarantee that the cutter can automatic re-setting.
Drawings
Fig. 1 is a schematic view of an automatic cutting mechanism for a stub bar according to an embodiment of the present invention;
FIG. 2 is a schematic view of part A of FIG. 1;
FIG. 3 is a partial view of a state during operation;
in the figure, 1, a cover plate, 2, a stripper plate, 3, a fixed template, 301, an accommodating groove, 4, a movable template, 5, a transverse flow channel, 501, a branch flow channel, 502, a vertical flow channel, 6, a product, 7, a connecting rod, 8, a vertical wedge-shaped block, 801, a first guide rail, 9, a transverse wedge-shaped block, 901, a first sliding groove, 902, a second guide rail, 10, a fixed block, 11, a second sliding groove, 12, a connecting column, 13, a cutter, 14, a ring plate, 15, a spring, 16 and a through groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b):
as shown in fig. 1, an automatic cutting mechanism for a stub bar comprises a cover plate 1, a stripper plate 2, a fixed die plate 3 and a movable die plate 4, wherein a vertical flow passage 502 is formed on the cover plate 1 and the stripper plate 2, a transverse flow passage 5 is formed on the fixed die plate 3, the vertical flow passage 502 is communicated with the transverse flow passage 5, as shown in fig. 2, an enlarged schematic view of a part a of fig. 1 is provided, a branch flow passage 501 is communicated below the transverse flow passage 5, and an accommodating groove 301 is formed in the fixed die plate 3 and used for accommodating the cutting mechanism. The lower side surface of the stripper plate 2 is fixed with a connecting rod 7, and the connecting rod 7 is arranged in the accommodating groove 301 and used for connecting a cutting mechanism.
Specifically, the shutdown mechanism includes vertical wedge 8, horizontal wedge 9, cutter 13:
as shown in fig. 2, the end of the accommodating groove 301 is fixedly connected with a vertical wedge block 8, the inclined plane of the vertical wedge block 8 faces the runner 501, when the stripper plate 2 moves upward, the connecting rod 7 drives the vertical wedge block 8 to move upward synchronously, and the inclined plane thereof inclines downward from the upper left to the lower right.
A fixed block 10 is arranged on the bottom side surface of the accommodating groove 301, and a second sliding groove 11 is formed in the fixed block 10; be equipped with horizontal wedge 9 on the fixed block 10, the lower extreme of horizontal wedge 9 is equipped with second guide rail 902, and second guide rail 902 slides along second spout 11, guarantees that the direction of motion of horizontal wedge 9 is the horizontally and is towards the stub bar, and the tip of second guide rail 902 adopts the fillet setting to reduce the resistance.
A first sliding groove 901 is formed in the inclined surface of the transverse wedge block 9, a first guide rail 801 is arranged on the inclined surface of the vertical wedge block 8, the first sliding groove 901 is matched with the first guide rail 801, the transverse wedge block 9 and the vertical wedge block 8 are guaranteed to be attached and move, the separation of the transverse wedge block 9 and the vertical wedge block 8 is avoided, and the inclined surface of the vertical wedge block 8 is in contact with the inclined surface of the transverse wedge block 9. The ends of the first rail 801 are rounded to reduce drag.
One end of the transverse wedge block 9 far away from the vertical wedge block 8 is fixed with a connecting column 12, the other end of the connecting column 12 is fixed with a cutter 13, a through groove 16 is formed in the fixed die plate 3, the through groove 16 is communicated with the sub-channel 501, the connecting column 12 is arranged in the through groove 16 in a penetrating mode and moves in the through groove 16, and the cutter 13 is driven to move and cut off a stub bar.
The connecting column 12 is fixedly provided with a ring plate 14, the ring plate 14 is fixedly provided with a spring 15, the other end of the spring 15 is fixed on the side surface of the accommodating groove 301, when the connecting column 12 moves towards the stub bar, the ring plate 14 moves against the spring force of the spring 15, and when the connecting column 12 returns, the ring plate 14 enables the connecting column 12 to return to the original position under the spring force of the spring 15 until the inclined surface of the vertical wedge block 8 is contacted with the inclined surface of the transverse wedge block 9.
The smaller end of the vertical wedge block 8 faces upwards, and the smaller end of the transverse wedge block 9 faces downwards, so that when the vertical wedge block 8 goes upwards, the larger end of the transverse wedge block 9 can be stirred by the larger end of the vertical wedge block 8, and the transverse wedge block 9 is made to move left and right.
The working principle is as follows:
as shown in fig. 1 and 2, when the mold is opened, the cover plate 1 and the stripper plate 2 are opened for a certain distance, at this time, the fixed mold plate 3 is not moved, when the stripper plate 2 moves upwards, as shown in fig. 3 (a partial view of a state in a working process), the connecting rod 7 drives the vertical wedge-shaped block 8 to move upwards, the larger end (bottom end) of the vertical wedge-shaped block 8 keeps vertical upwards, the transverse wedge-shaped block 9 is shifted to move relative to the transverse wedge-shaped block 9, so that the transverse wedge-shaped block 9 moves horizontally under the action of the first sliding groove 901 and the first guiding rail 801, meanwhile, the transverse wedge-shaped block 9 ensures to move rightwards under the action of the second guiding rail 902 and the second sliding groove 11, the connecting column 12 moves rightwards horizontally and moves inside the through groove 16 to drive the cutter 13 to enter the diversion channel 501, so as to cut off a stub bar in the diversion channel 501; at the moment, the stripper plate 2 keeps the position still, and the cutter 13 is still in a stub bar cutting state; then, the fixed die plate 3 is opened, and the product 6 is ejected by the ejector pin.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a stub bar automatic cutout mechanism, includes apron (1), takes off flitch (2), fixed die plate (3) and movable mould board (4), it has perpendicular runner (502) to open on apron (1) and the flitch (2) of taking off, it has horizontal runner (5) to open on fixed die plate (3), perpendicular runner (502) with horizontal runner (5) intercommunication, horizontal runner (5) below intercommunication is equipped with subchannel (501), its characterized in that: an accommodating groove (301) is formed in the fixed die plate (3), a connecting rod (7) is fixed to the lower side surface of the stripper plate (2), and the connecting rod (7) is arranged in the accommodating groove (301); the end part of the accommodating groove (301) is fixedly connected with a vertical wedge block (8), the inclined surface of the vertical wedge block (8) faces the sub-runner (501), and a first guide rail (801) is arranged on the inclined surface of the vertical wedge block (8);
a fixed block (10) is arranged on the bottom side surface of the accommodating groove (301), and a second sliding groove (11) is formed in the fixed block (10); a transverse wedge block (9) is arranged on the fixed block (10), a second guide rail (902) is arranged at the lower end of the transverse wedge block (9), and the second guide rail (902) slides along the second sliding groove (11); a first sliding groove (901) is formed in the inclined surface of the transverse wedge block (9), and the first sliding groove (901) is matched with the first guide rail (801);
a connecting column (12) is fixed at one end, far away from the vertical wedge block (8), of the transverse wedge block (9), a cutter (13) is fixed at the other end of the connecting column (12), a through groove (16) is formed in the fixed die plate (3), the through groove (16) is communicated with the sub-runner (501), and the connecting column (12) penetrates through the through groove (16) and moves in the through groove (16);
a ring plate (14) is fixedly arranged on the connecting column (12), a spring (15) is fixed on the ring plate (14), and the other end of the spring (15) is fixed on the side surface of the accommodating groove (301).
2. The automatic stub bar cutting mechanism according to claim 1, wherein: the end part of the first guide rail (801) is arranged in a round angle mode.
3. The automatic stub bar cutting mechanism according to claim 1, wherein: the inclined plane of the vertical wedge-shaped block (8) is in contact with the inclined plane of the transverse wedge-shaped block (9).
4. The automatic stub bar cutting mechanism according to claim 1, wherein: the end part of the second guide rail (902) is arranged in a round angle mode.
5. The automatic stub bar cutting mechanism according to claim 1, wherein: the smaller end of the vertical wedge block (8) faces upwards; the smaller end of the transverse wedge block (9) faces downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922418723.4U CN211640836U (en) | 2019-12-27 | 2019-12-27 | Stub bar automatic cutout mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922418723.4U CN211640836U (en) | 2019-12-27 | 2019-12-27 | Stub bar automatic cutout mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN211640836U true CN211640836U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922418723.4U Active CN211640836U (en) | 2019-12-27 | 2019-12-27 | Stub bar automatic cutout mechanism |
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| CN (1) | CN211640836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520275A (en) * | 2020-11-30 | 2021-03-19 | 南京理工大学北方研究院 | Garbage can convenient to open |
| CN113733494A (en) * | 2021-09-15 | 2021-12-03 | 张鲁峰 | Injection mold with automatic excess material cutting mechanism |
-
2019
- 2019-12-27 CN CN201922418723.4U patent/CN211640836U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520275A (en) * | 2020-11-30 | 2021-03-19 | 南京理工大学北方研究院 | Garbage can convenient to open |
| CN113733494A (en) * | 2021-09-15 | 2021-12-03 | 张鲁峰 | Injection mold with automatic excess material cutting mechanism |
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