CN220482456U - Mold for testing surface finish of point gate plastic part - Google Patents
Mold for testing surface finish of point gate plastic part Download PDFInfo
- Publication number
- CN220482456U CN220482456U CN202321444331.5U CN202321444331U CN220482456U CN 220482456 U CN220482456 U CN 220482456U CN 202321444331 U CN202321444331 U CN 202321444331U CN 220482456 U CN220482456 U CN 220482456U
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- Prior art keywords
- round table
- mold
- testing
- point gate
- surface finish
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- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a mold for testing the surface finish of a point gate plastic workpiece, which relates to the technical field of injection molds and comprises a mold body, wherein one side of the mold body is provided with a side groove for intermittently rotating a rotating assembly, a driving piece drives a brake disc to rotate through a shaft rod, when an adjusting cylinder rotates into a U-shaped long groove formed in a rotating support, the rotating support is stirred to rotate by a certain angle, a plurality of cutting discs at the top of the rotating support rotate, a diversion opening positioned right below an injection hole rotates through the rotation of the cutting discs, the material head in the diversion opening is cut off during rotation, and after intermittently rotating to the other end along the cutting discs, the material head in the diversion opening is cleared, and the cutting discs at the other end continuously conduct diversion on the injection hole, so that the demolding of the plastic workpiece is facilitated to a certain extent.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a mold for testing the surface finish of a point gate plastic part.
Background
The point gate is a small-sized and pinpoint-shaped gate with small cross-sectional area, and can be injected into a mold through the point gate when molten materials are required to be shaped, so that the apparent viscosity of the pseudoplastic melt can be reduced due to the high shearing rate of the materials, the point gate can be easily automatically cut off during mold opening, and the gate trace remained on a workpiece is small, so that the point gate is widely used.
Along with the wider and wider application of plastic parts, the types of plastic parts are more and more, the traditional point gate form cannot meet the molding use requirements of new materials, the problem of gate residue at the gate is the biggest problem puzzling injection molding production, the pouring mode can generate a stub bar on a gate runner, and the stub bar can possibly cause clamping when the plastic parts are demolded, so that the production efficiency is reduced.
Therefore, there is a need to provide a new mold for testing the surface finish of a pin-gated plastic part, which solves the above-mentioned technical problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a mold for testing the surface finish of a point gate plastic part.
The utility model provides a mold for testing the surface finish of a point gate plastic part, which comprises a mold body and a rotating assembly, wherein one side of the mold body is provided with a side groove for intermittently rotating the rotating assembly;
the rotary assembly comprises a braking round table, a driving piece is movably connected to the top of the braking round table through a shaft rod, the bottom of the driving piece is fixedly connected with one end top of the die body, a rotary support is movably connected to one side of the braking round table, one end of the top of the braking round table is fixedly connected with an adjusting cylinder, a plurality of U-shaped long grooves matched with the size of the adjusting cylinder are formed in the rotary support, the rotary support penetrates through holes formed in the side grooves of the die body, a plurality of cutting discs are annularly arranged on the outer surface of the upper end of the rotary support at equal intervals in the circumferential direction, diversion openings are formed in the tops of the cutting discs in a penetrating mode, and injection holes matched with the size of the diversion openings are formed in the top of the die body and located right above the diversion openings.
Further, the driving piece is a motor, the bottom of the motor is fixedly connected to the top of one end of the die body, and the output end of the motor extends out of a through hole formed in one end of the die body through a shaft rod.
Further, the braking round platform comprises a first round platform and a second round platform, the first round platform and the second round platform are respectively arranged on the outer surface of the bottom of the shaft rod arranged at the output end of the motor, the first round platform is positioned at the center of the top of the second round platform, and one end of the top of the second round platform is fixedly connected with an adjusting cylinder.
Further, the rotary support comprises a first shaft rod and a driven support, the driven support is annularly arranged on the outer surface of the first shaft rod, the outer surface of the driven support is attached to the outer surface of the first round table, and a plurality of U-shaped long grooves matched with the size of the adjusting cylinder are formed in the outer surface of the driven support.
Further, the number of U-shaped long grooves formed in the outer surface of the driven bracket is six, and the inner side wall of the U-shaped long groove on the driven bracket is movably connected with the outer surface of the adjusting cylinder.
Further, the outer surface of the top of the first shaft rod is annularly provided with a fixed round table, the outer surface of the fixed round table is circumferentially equidistant and fixedly connected with a plurality of connecting supports, and the top of one end, far away from the fixed round table, of the connecting supports is fixedly connected with one end of the cutting disc.
Compared with the related art, the mold for testing the surface finish of the point gate plastic part has the following beneficial effects:
according to the utility model, the driving piece drives the braking round table to rotate through the shaft rod, so that the adjusting cylinder on the braking round table rotates along with the braking round table, when the adjusting cylinder rotates into the U-shaped long groove formed in the rotating support, the rotating support is stirred to rotate for a certain angle, the cutting discs at the top of the rotating support rotate, the diversion opening right below the injection hole rotates through the rotation of the cutting discs, the stub bar in the diversion opening is cut off during rotation, and after intermittently rotating to the other end along the cutting discs, the stub bar in the diversion opening is cleared, and the cutting discs at the other end continuously conduct diversion on the injection hole, so that the demoulding of plastic parts is facilitated to a certain extent.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a mold for testing the surface finish of a point gate plastic part provided by the utility model;
FIG. 2 is a schematic diagram of the expansion structure of the mold for testing the surface finish of the point gate plastic part provided by the utility model;
FIG. 3 is a schematic cross-sectional view of a mold for testing the surface finish of a pin-gated plastic part according to the present utility model;
FIG. 4 is a schematic view of a rotary assembly according to the present utility model;
fig. 5 is a schematic structural view of a braking bench and a rotary support provided by the utility model.
Reference numerals in the drawings: 1. a die body; 2. an injection hole; 3. a side groove; 4. a first round table; 5. a second round table; 6. a motor; 7. a first shaft; 8. a driven bracket; 9. fixing the round table; 10. a connecting bracket; 11. adjusting a cylinder; 12. u-shaped long groove; 13. cutting off the disc; 14. and a flow guiding port.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5 in combination, fig. 1 is a schematic diagram of an overall structure of a mold for testing surface finish of a pin-point gate plastic part according to the present utility model; FIG. 2 is a schematic diagram of the expansion structure of the mold for testing the surface finish of the point gate plastic part provided by the utility model; FIG. 3 is a schematic cross-sectional view of a mold for testing the surface finish of a pin-gated plastic part according to the present utility model; FIG. 4 is a schematic view of a rotary assembly according to the present utility model; fig. 5 is a schematic structural view of a braking bench and a rotary support provided by the utility model.
In the concrete implementation process, as shown in fig. 1 to 5, a side groove 3 for intermittently rotating a rotating assembly is formed in one side of a die body 1, the rotating assembly comprises a braking round table, the top of the braking round table is movably connected with a driving piece through a shaft rod, the bottom of the driving piece is fixedly connected with one end top of the die body 1, the driving piece is a motor 6, the bottom of the motor 6 is fixedly connected with the top of one end of the die body 1, the output end of the motor 6 extends out of a through hole formed in one end of the die body 1 through the shaft rod, a rotating bracket is movably connected to one side of the braking round table, an adjusting cylinder 11 is fixedly connected to one end of the top of the braking round table, the braking round table comprises a first round table 4 and a second round table 5, the first round table 4 and the second round table 5 are respectively arranged on the outer surface of the bottom of the shaft rod at the output end of the motor 6, the first round table 4 is positioned at the center of the top of the second round table 5, an adjusting cylinder 11 is fixedly connected to one end of the top of the second round table 5, a plurality of U-shaped long grooves 12 matched with the adjusting cylinder 11 in size are formed in the rotating support, the rotating support penetrates through the through holes formed in the side grooves 3 of the die body 1, a plurality of cutting discs 13 are circumferentially and equidistantly arranged on the outer surface of the upper end of the rotating support, the rotating support comprises a first shaft rod 7 and a driven support 8, the driven support 8 is annularly arranged on the outer surface of the first shaft rod 7, the outer surface of the driven support 8 is attached to the outer surface of the first round table 4, a fixed round table 9 is annularly arranged on the outer surface of the top of the first shaft rod 7, a plurality of connecting supports 10 are circumferentially and equidistantly fixedly connected to the outer surface of the fixed round table 9, the top of one end of the connecting support 10 away from the fixed round table 9 is fixedly connected with one end of the cutting discs 13, a plurality of U-shaped long grooves 12 matched with the adjusting cylinder 11 in size are formed in the outer surface of the driven support 8, the U-shaped long groove 12 formed in the outer surface of the driven support 8 is six, the inner side wall of the U-shaped long groove 12 on the driven support 8 is movably connected with the outer surface of the adjusting cylinder 11, the adjusting cylinder 11 on the second round table 5 rotates along with the rotation of the first round table 4 and the second round table 5, the inner side wall of the first round table 4 is attached to the outer surface of the driven support 8, when the adjusting cylinder 11 rotates into the U-shaped long groove 12 formed in the driven support 8, the driven support 8 is driven to rotate by a certain angle, then the driven support 8 is stabilized by attaching the inner side wall of the first round table 4 to the outer surface of the driven support 8 again, a guide opening 14 penetrates through the top of the cutting disc 13, an injection hole 2 matched with the guide opening 14 in size is formed in the top of the die body 1, and the injection hole 2 is located right above the guide opening 14.
The working principle provided by the utility model is as follows: in the implementation of the utility model, molten plastic is poured into the injection hole 2 at the top of the die body 1, so that the molten plastic enters from the injection hole 2 and flows into the die body 1 along the guide opening 14 for shaping, before the molten plastic is opened, the motor 6 drives the first round table 4 and the second round table 5 to rotate through the shaft rod, the adjusting cylinder 11 on the second round table 5 rotates along with the first round table 4, the inner side wall of the first round table 4 is attached to the outer surface of the driven bracket 8, when the adjusting cylinder 11 rotates into the U-shaped long groove 12 formed in the driven bracket 8, the driven bracket 8 on the first shaft rod 7 is stirred to rotate by a certain angle, the fixed round table 9 at the top of the first shaft rod 7 drives the cutting disc 13 to rotate through the plurality of connecting brackets 10, the guide opening 14 positioned right below the injection hole 2 is rotated through the rotation of the cutting disc 13, the material head in the guide opening 14 is cut off when rotating, and after intermittently rotating to the other end along the cutting disc 13, the material head in the guide opening 14 is cleared, the other end of the cutting disc 13 continues to guide the material 2, a part of the plastic is removed from the die body to a certain extent, and then a plastic part is taken out of the die body is conveniently removed from the die.
The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The mold for testing the surface finish of the point gate plastic workpiece is characterized by comprising a mold body (1) and a rotating assembly, wherein one side of the mold body (1) is provided with a side groove (3) for intermittently rotating the rotating assembly;
the rotary assembly comprises a braking round table, a driving piece is movably connected to the top of the braking round table through a shaft rod, the bottom of the driving piece is fixedly connected with one end top of a die body (1), a rotary support is movably connected to one side of the braking round table, one end of the top of the braking round table is fixedly connected with an adjusting cylinder (11), a plurality of U-shaped long grooves (12) matched with the adjusting cylinder (11) in size are formed in the rotary support, the rotary support penetrates through a through hole formed in a side groove (3) of the die body (1), a plurality of cutting discs (13) are annularly arranged on the outer surface of the upper end of the rotary support at equal intervals in the circumferential direction, a diversion opening (14) is formed in the top of the cutting disc (13), an injection hole (2) matched with the diversion opening (14) in size is formed in the top of the die body (1), and the injection hole (2) is located right above the diversion opening (14).
2. The mold for testing the surface finish of the point gate plastic part according to claim 1, wherein the driving part is a motor (6), the bottom of the motor (6) is fixedly connected to the top of one end of the mold body (1), and the output end of the motor (6) extends out of a through hole formed in one end of the mold body (1) through a shaft lever.
3. The die for testing the surface finish of the point gate plastic workpiece according to claim 2, wherein the braking round table comprises a first round table (4) and a second round table (5), the first round table (4) and the second round table (5) are respectively arranged on the outer surface of the bottom of a shaft rod arranged at the output end of the motor (6), the first round table (4) is positioned at the center position of the top of the second round table (5), and an adjusting cylinder (11) is fixedly connected to one end of the top of the second round table (5).
4. A die for testing the surface finish of a point gate plastic workpiece according to claim 3, wherein the rotary support comprises a first shaft lever (7) and a driven support (8), the driven support (8) is annularly arranged on the outer surface of the first shaft lever (7), the outer surface of the driven support (8) is attached to the outer surface of the first round table (4), and a plurality of U-shaped long grooves (12) matched with the size of the adjusting cylinder (11) are formed in the outer surface of the driven support (8).
5. The mold for testing the surface finish of the point gate plastic workpiece according to claim 4, wherein six U-shaped long grooves (12) are formed in the outer surface of the driven bracket (8), and the inner side walls of the U-shaped long grooves (12) on the driven bracket (8) are movably connected with the outer surface of the adjusting cylinder (11).
6. The die for testing the surface finish of the point gate plastic workpiece according to claim 5, wherein a fixed round table (9) is annularly arranged on the outer surface of the top of the first shaft lever (7), a plurality of connecting supports (10) are fixedly connected to the outer surface of the fixed round table (9) at equal intervals in the circumferential direction, and the top of one end, far away from the fixed round table (9), of the connecting supports (10) is fixedly connected with one end of a cutting disc (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321444331.5U CN220482456U (en) | 2023-06-07 | 2023-06-07 | Mold for testing surface finish of point gate plastic part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321444331.5U CN220482456U (en) | 2023-06-07 | 2023-06-07 | Mold for testing surface finish of point gate plastic part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220482456U true CN220482456U (en) | 2024-02-13 |
Family
ID=89841724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321444331.5U Active CN220482456U (en) | 2023-06-07 | 2023-06-07 | Mold for testing surface finish of point gate plastic part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220482456U (en) |
-
2023
- 2023-06-07 CN CN202321444331.5U patent/CN220482456U/en active Active
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