CN217373331U - Mould with advance and retreat tooth structure - Google Patents
Mould with advance and retreat tooth structure Download PDFInfo
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- CN217373331U CN217373331U CN202123232658.XU CN202123232658U CN217373331U CN 217373331 U CN217373331 U CN 217373331U CN 202123232658 U CN202123232658 U CN 202123232658U CN 217373331 U CN217373331 U CN 217373331U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a mould with a tooth advancing and retreating structure, which comprises a fixed mould plate, a movable mould plate, a motor base, a tooth retreating motor, a gear set, a fixed transmission sleeve, an inner core, a tooth core and a movable outer core; the motor base is fixed on the outer wall of the movable template, the tooth withdrawing motor is installed on the motor base, an output shaft of the tooth withdrawing motor drives the fixed transmission sleeve to rotate through the gear set, the lower end of the inner core is fixedly inserted into the fixed transmission sleeve, the tooth core is movably sleeved on the inner core, the lower portion of the tooth core is inserted into the fixed transmission sleeve, a stopping position is arranged between the lower portion of the tooth core and the fixed transmission sleeve, the movable outer core is sleeved on the tooth core in a clearance mode, and the lower portion of the movable outer core is connected with the fixed transmission sleeve through threads. Because the utility model discloses a move back tooth motor and pass through the fixed transmission cover of gear train drive and rotate, fixed transmission cover rotates and drives the tooth core and rotate and move down with the outer core of activity for the tooth core is deviate from the screw tooth on the goods, and the outer core of activity is deviate from the plastic products and is gone up D font hole, takes off the tooth and takes off the hole process stable, reliable.
Description
Technical Field
The utility model relates to an injection mold especially relates to a mould with advance and retreat tooth structure.
Background
The plastic injection mold is a tool for producing plastic products and has wide application. As shown in fig. 1, the plastic product 100 has an inner hole 101 with screw threads and the end of the inner hole is D-shaped, and therefore, it is necessary to design a releasing mechanism capable of releasing both the screw threads and the D-shaped hole.
Disclosure of Invention
An object of the utility model is to provide a take off the tooth and take off the reliable and stable mould that has advance and retreat tooth structure in hole process.
In order to achieve the above object, the technical solution of the present invention is:
the utility model relates to a mould with a tooth advancing and retreating structure, which comprises a fixed mould plate, a movable mould plate, a motor base, a tooth retreating motor, a gear set, a fixed transmission sleeve, an inner core, a tooth core and a movable outer core; the fixed template and the movable template are abutted together, the motor base is fixed on the outer wall of the movable template, the tooth withdrawing motor is installed on the motor base, an output shaft of the tooth withdrawing motor is meshed with a gear on the fixed transmission sleeve through a gear set to drive the fixed transmission sleeve to rotate, and the fixed transmission sleeve is rotatably installed in the movable template through a bearing; the lower end of the inner core is fixedly inserted into the fixed transmission sleeve, the upper end of the inner core extends into the cavity, the tooth core is movably sleeved on the inner core, the lower part of the tooth core is inserted into the fixed transmission sleeve, the stop position is arranged between the lower part of the tooth core and the fixed transmission sleeve, the upper part of the tooth core extends into the cavity, the movable outer core is sleeved on the tooth core in a clearance manner, the upper part of the movable outer core extends into the cavity, the lower part of the movable outer core is sleeved in the fixed transmission sleeve, and the movable outer core is connected with the fixed transmission sleeve through threads.
The top of the core has a thread around the entire circumference.
The section of the position of the tooth core at the lower part at the stop position is D-shaped.
The inclined wedge block is fixed on the fixed die plate, the inner side of the inclined wedge block is pressed against the inclined plane on the outer side of the sliding block, the sliding block is connected on the movable die plate in a sliding mode, the upper end of the inclined guide pillar is fixed on the fixed die plate, and the lower portion of the inclined guide pillar is movably inserted into the inclined guide pillar hole of the sliding block.
The inner side of the inclined guide post is composed of a vertical surface and an inclined surface, the groove wall of an inclined guide post hole of the sliding block is composed of an inclined surface and a vertical surface, and the inner side of the inclined guide post is matched with the groove wall of the inclined guide post hole.
After the technical scheme is adopted, because the utility model discloses a fixed die plate, the movable mould board, the motor cabinet, move back the tooth motor, the gear train, fixed transmission cover, the inner core, the tooth core, the outer core of activity, it passes through the fixed transmission cover of gear train drive to rotate to move back the tooth motor, the tooth core of being connected with fixed transmission cover rotates, make the tooth core deviate from the screw tooth on the plastic products, and simultaneously, wear to put the outer core of activity in fixed transmission cover hole and pass through the screw tooth and connect, the outer core downstream of the rotatory drive activity of fixed transmission cover, make the outer core of activity deviate from the plastic products on the D font hole, it is stable with the process of taking off the hole to take off the tooth, reliably.
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an isometric view of a plastic article;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a sectional view of the inner core, tooth core and movable outer core of the present invention;
FIG. 4 is a perspective view of the inner core, tooth core and movable outer core of the present invention;
FIG. 5 is an isometric view of the fit of the inner core, tooth core, movable outer core, and fixed drive sleeve of the present invention;
FIG. 6 is an exploded perspective view showing the combination of the inner core, the tooth core, the movable outer core and the fixed transmission sleeve;
fig. 7 is a sectional view showing the inner core, tooth core and fixed driving sleeve of the present invention.
Detailed Description
As shown in fig. 2-4, the utility model relates to a mould with advance and retreat tooth structure, including fixed die plate 1, movable mould board 2, motor cabinet 3, retreat tooth motor 4, gear train 5, fixed driving sleeve 6, inner core 7, tooth core 8, activity outer core 9, bearing 10, guide pillar 11, slider 12, tapered wedge 13.
The fixed template 1 and the movable template 2 are abutted together, the motor base 3 is fixed on the outer wall of the movable template 2, the tooth withdrawing motor 4 is installed on the motor base 3, an output shaft of the tooth withdrawing motor 4 is meshed with a gear 61 on the fixed transmission sleeve 6 through a gear set 5 to drive the fixed transmission sleeve 6 to rotate, and the fixed transmission sleeve 6 is rotatably installed in the movable template 2 through a bearing 10; the lower end of the inner core 7 is fixedly inserted into the fixed transmission sleeve 6, the upper end of the inner core 7 extends into the cavity, the tooth core 8 is movably sleeved on the inner core 7, the lower part of the tooth core 8 is inserted into the fixed transmission sleeve 6, a stop bit 81 is arranged between the lower part of the tooth core 8 and the fixed transmission sleeve 6, so that the cross section of the lower part of the tooth core 8 is D-shaped, the upper part of the tooth core 8 extends into the cavity, the movable outer core 9 is sleeved on the tooth core 8 in a clearance way, and the top of the tooth core 8 is provided with a thread 82 surrounding the whole circumference; the upper part of the movable outer core 9 extends into the cavity, the lower part of the movable outer core 9 is sleeved in the fixed transmission sleeve 6, and the movable outer core 9 is connected with the fixed transmission sleeve 6 through a thread 91.
The inclined wedge block 13 is fixed on the fixed die plate 1, the inner side of the inclined wedge block 13 is pressed against the inclined plane on the outer side of the sliding block 12, the sliding block 12 is in sliding connection with the movable die plate 2, the upper end of the inclined guide post 11 is fixed on the fixed die plate 1, and the lower part of the inclined guide post 11 is movably inserted into the inclined guide post hole 121 of the sliding block 12.
The utility model discloses a theory of operation:
when the mold is opened, the tooth withdrawing motor 4 drives the fixed transmission sleeve 6 to rotate through the gear set 5, the inner core 7 connected with the fixed transmission sleeve 6 rotates, the tooth core 8 penetrating the inner hole of the fixed transmission sleeve 6 and the fixed transmission sleeve 6 synchronously rotate, and the tooth core 8 can axially move, so that the tooth core 8 finishes a tooth reaming action, and threads 102 on a plastic product 100 (shown in figure 1) are removed; the tooth core 8 moves downwards when taking off the tooth, the movable outer core 9 and the fixed transmission sleeve 6 are in threaded connection with the thread 91, and when the fixed transmission sleeve 6 rotates, the movable outer core 9 can be driven to move downwards, so that the movable outer core 9 is separated from a D-shaped inner hole on the plastic product 100, and tooth removal and hole removal are completed simultaneously. After the mold is opened for a certain distance, the inclined guide post 11 drives the slide block 12 to move outwards, so that the inner end of the slide block 12 is separated from the side hole 103 (shown in fig. 1) on the plastic product 100.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (5)
1. A mould with advance and retreat tooth structure which characterized in that: comprises a fixed template, a movable template, a motor seat, a tooth withdrawing motor, a gear set, a fixed transmission sleeve, an inner core, a tooth core and a movable outer core;
the fixed template and the movable template are abutted together, the motor base is fixed on the outer wall of the movable template, the tooth withdrawing motor is installed on the motor base, an output shaft of the tooth withdrawing motor is meshed with a gear on the fixed transmission sleeve through a gear set to drive the fixed transmission sleeve to rotate, and the fixed transmission sleeve is rotatably installed in the movable template through a bearing; the lower end of the inner core is fixedly inserted into the fixed transmission sleeve, the upper end of the inner core extends into the cavity, the tooth core is movably sleeved on the inner core, the lower part of the tooth core is inserted into the fixed transmission sleeve, the stop position is arranged between the lower part of the tooth core and the fixed transmission sleeve, the upper part of the tooth core extends into the cavity, the movable outer core is sleeved on the tooth core in a clearance manner, the upper part of the movable outer core extends into the cavity, the lower part of the movable outer core is sleeved in the fixed transmission sleeve, and the movable outer core is connected with the fixed transmission sleeve through threads.
2. The mold having an advancing-retreating tooth structure according to claim 1, wherein: the top of the core has a thread around the entire circumference.
3. The mold having an advancing-retreating tooth structure according to claim 1, wherein: the cross section of the stop bit position at the lower part of the tooth core is D-shaped.
4. The mold having an advancing-retreating tooth structure according to claim 1, wherein: the device also comprises a wedge block; the inclined wedge block is fixed on the fixed die plate, the inner side of the inclined wedge block is pressed against the inclined plane on the outer side of the sliding block, the sliding block is connected on the movable die plate in a sliding mode, the upper end of the inclined guide pillar is fixed on the fixed die plate, and the lower portion of the inclined guide pillar is movably inserted into the inclined guide pillar hole of the sliding block.
5. The mold having an advancing-retreating tooth structure according to claim 4, wherein: the inner side of the inclined guide post is composed of a vertical surface and an inclined surface, the groove wall of an inclined guide post hole of the sliding block is composed of an inclined surface and a vertical surface, and the inner side of the inclined guide post is matched with the groove wall of the inclined guide post hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123232658.XU CN217373331U (en) | 2021-12-21 | 2021-12-21 | Mould with advance and retreat tooth structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123232658.XU CN217373331U (en) | 2021-12-21 | 2021-12-21 | Mould with advance and retreat tooth structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217373331U true CN217373331U (en) | 2022-09-06 |
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ID=83094521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123232658.XU Active CN217373331U (en) | 2021-12-21 | 2021-12-21 | Mould with advance and retreat tooth structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217373331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114161672A (en) * | 2021-12-21 | 2022-03-11 | 厦门市方圆通模具有限公司 | Mould with advance and retreat tooth structure |
| CN116653240A (en) * | 2023-07-26 | 2023-08-29 | 太仓顺达磁力泵科技有限公司 | Magnetic drive pump isolation sleeve mould |
-
2021
- 2021-12-21 CN CN202123232658.XU patent/CN217373331U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114161672A (en) * | 2021-12-21 | 2022-03-11 | 厦门市方圆通模具有限公司 | Mould with advance and retreat tooth structure |
| CN114161672B (en) * | 2021-12-21 | 2025-02-11 | 厦门市方圆通模具有限公司 | Mould with in-and-out tooth structure |
| CN116653240A (en) * | 2023-07-26 | 2023-08-29 | 太仓顺达磁力泵科技有限公司 | Magnetic drive pump isolation sleeve mould |
| CN116653240B (en) * | 2023-07-26 | 2023-09-22 | 太仓顺达磁力泵科技有限公司 | Magnetic drive pump isolation sleeve mould |
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