CN210552694U - Injection mold sliding block delay thimble supporting mechanism for producing medical products - Google Patents
Injection mold sliding block delay thimble supporting mechanism for producing medical products Download PDFInfo
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- CN210552694U CN210552694U CN201920996070.5U CN201920996070U CN210552694U CN 210552694 U CN210552694 U CN 210552694U CN 201920996070 U CN201920996070 U CN 201920996070U CN 210552694 U CN210552694 U CN 210552694U
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Abstract
The utility model relates to an injection mold slider delay thimble supporting mechanism for producing medical products, which comprises a slider, a slider core, a delay thimble and a delay shovel machine, wherein the slider is connected with one end of the top of a rear template in a sliding way, the slider core is embedded in the slider, the delay thimble penetrates through the slider and the slider core and is contacted with an injection molding cavity, the delay shovel machine is fixed at one end of the bottom of a front template and is contacted with the slider, the delay thimble in the slider is sleeved with a spring, and the front template is connected with the slider through an inclined guide pillar; and a limiting groove for preventing the delay thimble from moving after the mold is opened and before the slide block mold core and the slide block are separated from the injection product is formed in the side wall of the delay shovel machine, which is in contact with the slide block. The utility model discloses rely on the holding power that delays the thimble to offset the frictional force that produces between slider core and slider and the product, reduce because of the slider takes out the product that moves back the pulling force and cause and strain and harmfully, improved product quality and mould life-span.
Description
Technical Field
The utility model relates to a medical product technical field, concretely relates to injection mold slider of production medical product delays thimble supporting mechanism.
Background
Handle and other long rod type plastic products generally have a threaded structure and a handle structure for rotating threads due to self functions and structural characteristics. The structure of the product has high requirements, and the size requirements of the screw thread are very precise due to the functional requirements of drawing force, installation and positioning and the like. The current popular solution is generally a common slide demoulding mechanism. The structure has a good application effect on the injection molding products with low requirements on common precision, but the high-precision products, especially medical grade injection molding products, can not meet the use requirements. The problems of product thread strain, product deformation, die blocking, die damage, incapability of guaranteeing dimensional accuracy and the like are easily caused in long-term production, so that the quality and the production efficiency of injection molding products are seriously influenced.
SUMMERY OF THE UTILITY MODEL
For solving the problem that prior art exists, the utility model provides an injection mold slider of production medical product delays thimble supporting mechanism relies on the holding power of delaying the thimble to offset the frictional force that produces between slider core and slider and the product, reduces because of the slider takes out the product that moves back the pulling force and cause and strain and harmfully, has improved product quality and mould life-span.
In order to achieve the above object, the utility model adopts the following technical scheme:
a slider delay thimble supporting mechanism of an injection mold for producing medical products comprises a slider, a slider core, a delay thimble and a delay shovel machine, wherein the slider is connected to one end of the top of a rear mold plate in a sliding manner, the slider core is embedded in the slider, the delay thimble penetrates through the slider and the slider core and is contacted with an injection mold cavity, the delay shovel machine is fixed to one end of the bottom of a front mold plate and is contacted with the slider, the delay thimble in the slider is sleeved with a spring, and the front mold plate is connected with the slider through an inclined guide post, so that the slider drives the slider core to slide along with the movement of the front mold plate when the mold is opened and closed; the side wall of the delay shovel machine in contact with the sliding block is provided with a limiting groove for blocking the delay thimble to move after the mold is opened and before the sliding block mold core and the sliding block are separated from the injection product, and the side wall of the delay shovel machine below the limiting groove is provided with a reset groove for enabling the delay thimble to move under the restoring force of the spring in the mold opening process.
Preferably, the delay thimble comprises a thimble rod and a thimble seat, one end of the thimble rod is fixedly connected with the thimble seat, and the spring is sleeved on the thimble rod.
In any of the above schemes, preferably, a mold core fixing hole is formed in the side wall of the slider, which is far away from the delay shovel machine, an anti-skid threaded mold core in an annular structure is fixed at the edge part in the mold core fixing hole, and the mold core of the slider penetrates through the anti-skid threaded mold core and is installed in the mold core fixing hole.
In any of the above schemes, preferably, the slider core is provided with a through hole communicated with the injection molding cavity, the slider is provided with a stepped hole communicated with the through hole, the delay thimble is placed in the through hole and the stepped hole, and one end of the thimble seat extends to the outer side of the stepped hole and is inserted into the limit groove.
In any of the above schemes, preferably, the side wall surface of the sliding block contacting with the delay shovel machine is an inclined surface, and the front template drives the delay shovel machine to always contact with the sliding block in the moving process.
In any of the above schemes, preferably, the limiting groove is of a right-angle structure, and after the mold is opened, the thimble seat is always in contact with the right-angle side of the limiting groove before the sliding block mold core is separated from the injection molding product.
In any of the above schemes, preferably, the number of the sliding block mold core, the number of the delay thimble, the number of the limiting groove, the number of the inclined guide post and the number of the reset groove are two and are in one-to-one correspondence.
In any of the above schemes, preferably, the slider is provided with a guide hole in sliding fit with an inclined guide post, the inclined guide post is fixed at the bottom of the front mold plate, and the inclined guide post can be inserted into the guide hole.
Compared with the prior art, the utility model provides an injection mold slider of production medical product delays thimble supporting mechanism and has following beneficial effect:
1. through the arrangement of the slide block delay thimble supporting mechanism, when the mold is opened, the delay thimble can be pulled back later than the slide block, the delay thimble is ensured to support an injection product to be not displaced within a period of time, the spring is extruded in the moving process of the slide block, the delay ejector rod generates a supporting force for the injection product, and the friction force generated between the slide block mold core and the slide block and the product is counteracted by depending on the supporting force of the delay thimble, so that the product is prevented from being pulled or deformed; the mechanism can ensure that the product can not generate displacement or deformation, reduce the pulling damage and the badness of the product caused by pulling back the pulling force of the sliding block, greatly improve the product quality and the service life of the mold, and enable the injection molding production to be more stable, thereby improving the production efficiency, having simple integral structure and reducing the integral processing cost of the mold;
2. through setting up the spacing groove into right angle shape structure, when being convenient for the die sinking, before front mould benevolence and injection moulding product break away from, postpone the thimble and support injection moulding product all the time, reset the groove and locate the below of spacing groove and next-door neighbour's setting in addition, make things convenient for front mould benevolence and injection moulding product to break away from the back, postpone the thimble and inject fast under the spring effort and reset the inslot, reduce the total stroke of front template.
Drawings
Fig. 1 is a schematic view of the whole structure of an injection mold slider delay thimble supporting mechanism for producing medical products, which is provided by the utility model, installed on a mold and in a mold closing state;
FIG. 2 is an enlarged view of the delayed thimble support mechanism of the embodiment shown in FIG. 1;
FIG. 3 is a schematic view of the embodiment shown in FIG. 1 illustrating the mold opened state;
FIG. 4 is a schematic diagram illustrating a structure of a delay thimble in the embodiment shown in FIG. 1;
FIG. 5 is a schematic structural diagram of a slider in the embodiment shown in FIG. 1;
FIG. 6 is a schematic diagram of the structure of the slider core of the embodiment shown in FIG. 1;
FIG. 7 is a perspective view of the delayed shovel machine of the embodiment shown in FIG. 1;
FIG. 8 is a front view of the embodiment of FIG. 7;
FIG. 9 is an exploded view of the embodiment of FIG. 1;
fig. 10 is an external view of the embodiment shown in fig. 1.
The figures are labeled as follows: 1. a front template; 2. a rear template; 3. a delay shovel; 4. delaying the thimble; 4-1, a thimble rod; 4-2, a thimble seat; 5. a slider core; 6. a slider; 7. injection molding a cavity; 8. a top rod; 9. an inclined guide post; 10. an anti-slip threaded core; 11. a core fixing hole; 12. a limiting groove; 13. a reset hole; 14. a stepped hole; 15. a guide hole; 16. a front mold core; 17. and a rear mold core.
Detailed Description
In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.
As shown in figures 1-10, an embodiment of a slide block delay thimble supporting mechanism of an injection mold for producing medical products according to the present invention comprises a slide block 6, a slide block 6 core 5, a delay thimble 4, a delay shovel 3, the slide block 6 is connected with one end of the top of the back template 2 in a sliding way, the core 5 of the slide block 6 is embedded in the slide block 6, the delay thimble 4 penetrates through the slide block 6 and the slide block 6 core 5 and is contacted with the injection molding cavity 7, the delay thimble 4 can move along the axial direction of the slide block 6 and the slide block 6 core 5, the delay shovel machine 3 is fixed at one end of the bottom of the front template 1 and is contacted with a slide block 6, the delay thimble 4 in the slide block 6 is sleeved with the spring, the front template 1 is connected with the slide block 6 through an inclined guide post 9, so that the slide block 6 drives the slide block 6 mold core 5 to slide along with the movement of the front template 1 during mold opening and mold closing; namely, when the mold is opened, the slide block 6 drives the mold core 5 of the slide block 6 to be separated from the injection product along with the movement of the front template 1, and when the mold is closed, the slide block 6 and the mold core 5 of the slide block 6 are driven to move towards the direction of the formed product; the side wall of the delay shovel machine 3 in contact with the sliding block 6 is provided with a limiting groove 12 for blocking the delay thimble 4 to move after the mold is opened and before the sliding block 6 and the sliding block 6 are separated from the injection product, and the side wall of the delay shovel machine 3 below the limiting groove 12 is provided with a reset groove for enabling the delay thimble 4 to move under the restoring force of a spring in the mold opening process. The reset groove is adjacent to the limiting groove 12, in the mold opening process, before the mold core 5 of the sliding block 6 is not separated from the injection product, the limiting groove 12 always limits the movement of the delay thimble 4, namely the delay thimble 4 does not generate displacement in the process, the delay thimble 4 plays a supporting role for the injection product, the friction force generated between the mold core 5 of the sliding block 6 and the body of the sliding block 6 and the product is offset by depending on the supporting force of the delay thimble 4 for the injection product, the product is prevented from being damaged or deformed, the product quality and the mold service life are greatly improved, the injection production can be more stable, the production efficiency is improved, the spring is compressed in the moving process of the sliding block 6, a thrust force is generated on the delay thimble 4, and the delay thimble 4 is automatically separated from the injection product after the mold core 5 of the sliding block 6 and the sliding block 6 are separated from the.
The bottom of the front template 1 is provided with a front mold core 16, the top of the rear template 2 is provided with a rear mold core 17 matched with the front mold core 16, and the front template 1, the front mold core 16, the rear template 2 and the rear mold core 17 have the shapes of cavity parts of injection molding products; the function of the core 5 of the slide 6 is to injection mould the shape of the cavity part of the product.
The delay thimble 4 comprises a thimble rod 4-1 and a thimble seat 4-2, one end of the thimble rod 4-1 is fixedly connected with the thimble seat 4-2, and the spring is sleeved on the thimble rod 4-1.
The side wall of the sliding block 6, which is far away from the delay shovel machine 3, is provided with a core fixing hole 11, the edge part in the core fixing hole 11 is fixed with an anti-skid thread core 10 in an annular structure, and the core 5 of the sliding block 6 penetrates through the anti-skid thread core 10 and is installed in the core fixing hole 11.
The mold core 5 of the sliding block 6 is provided with a through hole communicated with the injection molding cavity 7, the sliding block 6 is provided with a stepped hole 14 communicated with the through hole, the delay thimble 4 is placed in the through hole and the stepped hole 14, one end of the thimble seat 4-2 extends to the outer side of the stepped hole 14 and is inserted into the limiting groove 12, and the stepped hole 14 is arranged to facilitate the compression of the spring in the moving process of the sliding block 6.
The side wall surface that slider 6 and postpone shovel machine 3 contact is the inclined plane, and front template 1 drives and postpones shovel machine 3 and move the in-process and contact with slider 6 all the time, improves the stability that slider 6 removed.
The limiting groove 12 is of a right-angle structure, and before the mold core 5 of the sliding block 6 is separated from the injection product after the mold opening, the thimble seat 4-2 is in contact with the right-angle side of the limiting groove 12 all the time, so that the delay thimble 4 does not generate displacement, and the injection product is supported in the mold opening process.
The number of the mold core 5 of the sliding block 6, the number of the delay thimble 4, the number of the limiting groove 12, the number of the inclined guide post 9 and the number of the reset grooves are two and are in one-to-one correspondence, namely, two products can be produced by one-time mold closing and opening of the injection mold, and the improvement of the production efficiency is facilitated.
The slide block 6 is provided with a guide hole 15 in sliding fit with the inclined guide post 9, the inclined guide post 9 is fixed at the bottom of the front template 1, and the inclined guide post 9 can be inserted into the guide hole 15. When the front template 1 drives the inclined guide post 9 to open the mold, the slide block 6 and the slide block 6 mold core 5 are driven to be separated from an injection product, and when the mold is closed, the inclined guide post 9 drives the slide block 6 to drive the slide block 6 mold core 5 to reset for forming the product. The slide block delay thimble supporting mechanism is positioned on one side of the handle side of the injection molding product formed by the front mold core and the rear mold core.
It should be noted that the utility model discloses what protect is that the slider delays thimble supporting mechanism, does not make any improvement to the structure of preceding template and back template, also does not make any improvement to the structure of the ejecting work piece of ejector pin, is not the utility model discloses the innovation point of protection, back template are in fixed state, and the preceding template can reciprocate, and actuating mechanism and preceding template, the back template that the template removed before the drive opens and shuts the mode and the injection molding machine drives the ejector pin and is known to the technical personnel in the field, for example actuating mechanism can be the pneumatic cylinder, consequently, need not the detailed description here.
The working principle of the embodiment is as follows: when the mold is opened, firstly the front template and the front mold core go upwards to drive the inclined guide post 9 and the delay shovel machine 3 to withdraw in advance, then the slide block 6 moves towards the direction far away from the injection product under the drive of the inclined guide post 9, and simultaneously the thimble seat 4-2 on the delay thimble 4 is inserted into the limit groove 12 and contacts with the right-angled side of the limit groove 12, so that the delay thimble 4 does not generate displacement, namely the delay thimble 4 supports the product while the slide block 6 is separated from the product, so that the product does not generate displacement, and then the ejection action of the product is completed under the push of the ejector rod 8 of the injection molding machine (the state is shown in figure 3); and then the die is closed, the front template 1 descends, the slide block 6 is reset under the pushing of the inclined guide post 9, and the delay thimble 4 is reset under the pushing of the delay shovel machine 3, so that the whole mechanism returns to a die closing state. Ready to enter the next injection cycle (state as figure 1).
Compared with the prior art, the embodiment has the following beneficial effects:
through the arrangement of the slide block delay thimble supporting mechanism, when the mold is opened, the delay thimble can be pulled back later than the slide block, the delay thimble is ensured to support an injection product to be not displaced within a period of time, the spring is extruded in the moving process of the slide block, the delay ejector rod generates a supporting force for the injection product, and the friction force generated between the slide block mold core and the slide block and the product is counteracted by depending on the supporting force of the delay thimble, so that the product is prevented from being pulled or deformed; and this mechanism can guarantee that the product can not produce displacement or deformation, reduces and pulls wounded and bad because of the slider takes out the product that moves back the pulling force and cause, has improved product quality and mould life greatly to enable injection moulding production more stable, thereby improve production efficiency, and overall structure is simple, reduce the whole processing cost of mould.
It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. 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 (8)
1. The utility model provides an injection mold slider of production medical product delays thimble supporting mechanism which characterized in that: the mold core of the slide block is connected to one end of the top of a rear mold plate in a sliding mode, the slide block core is embedded in the slide block, the delay thimble penetrates through the slide block and the slide block core and is in contact with an injection molding cavity, the delay shovel is fixed to one end of the bottom of a front mold plate and is in contact with the slide block, a spring is sleeved on the delay thimble in the slide block, the front mold plate is connected with the slide block through an inclined guide post, and the slide block drives the slide block core to slide along with the movement of the front mold plate when the mold is opened and closed; the side wall of the delay shovel machine in contact with the sliding block is provided with a limiting groove for blocking the delay thimble to move after the mold is opened and before the sliding block mold core and the sliding block are separated from the injection product, and the side wall of the delay shovel machine below the limiting groove is provided with a reset groove for enabling the delay thimble to move under the restoring force of the spring in the mold opening process.
2. The injection mold slider delayed thimble supporting mechanism for producing medical products according to claim 1, wherein: the delay thimble comprises a thimble rod and a thimble seat, one end of the thimble rod is fixedly connected with the thimble seat, and the spring is sleeved on the thimble rod.
3. The injection mold slider delayed thimble supporting mechanism for producing medical products according to claim 1, wherein: the side wall of the sliding block, which is far away from the delay shovel machine, is provided with a mold core fixing hole, the edge part in the mold core fixing hole is fixed with an anti-skid thread mold core in an annular structure, and the sliding block mold core penetrates through the anti-skid thread mold core and is installed in the mold core fixing hole.
4. The injection mold slider delayed thimble supporting mechanism for producing medical products according to claim 2, wherein: the slider core is provided with a through hole communicated with the injection molding cavity, the slider is provided with a stepped hole communicated with the through hole, the delay thimble is placed in the through hole and the stepped hole, and one end of the thimble seat extends to the outer side of the stepped hole and is inserted into the limiting groove.
5. The injection mold slider delayed thimble supporting mechanism for producing medical products according to claim 1, wherein: the side wall surface of the sliding block, which is in contact with the delay shovel machine, is an inclined surface, and the front template drives the delay shovel machine to be always in contact with the sliding block in the moving process.
6. The injection mold slider delayed thimble supporting mechanism for producing medical products according to claim 2, wherein: the limiting groove is of a right-angle structure, and after the mold is opened, before the sliding block mold core is separated from the injection molding product, the thimble seat is always in contact with the right-angle edge of the limiting groove.
7. The injection mold slider delayed thimble supporting mechanism for producing medical products according to claim 1, wherein: the number of the sliding block mold core, the number of the delay thimbles, the number of the limiting grooves, the number of the inclined guide columns and the number of the reset grooves are two and are in one-to-one correspondence.
8. The injection mold slider delayed thimble supporting mechanism for producing medical products according to claim 1, wherein: the slider is provided with a guide hole in sliding fit with the inclined guide pillar, the inclined guide pillar is fixed at the bottom of the front template, and the inclined guide pillar can be inserted into the guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920996070.5U CN210552694U (en) | 2019-06-28 | 2019-06-28 | Injection mold sliding block delay thimble supporting mechanism for producing medical products |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920996070.5U CN210552694U (en) | 2019-06-28 | 2019-06-28 | Injection mold sliding block delay thimble supporting mechanism for producing medical products |
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| CN210552694U true CN210552694U (en) | 2020-05-19 |
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| CN201920996070.5U Active CN210552694U (en) | 2019-06-28 | 2019-06-28 | Injection mold sliding block delay thimble supporting mechanism for producing medical products |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400588A (en) * | 2021-07-13 | 2021-09-17 | 深圳市泰兴源科技有限公司 | Better injection mold of shaping quality |
| WO2024183116A1 (en) * | 2023-03-08 | 2024-09-12 | 台州职业技术学院 | Injection mold for vehicle lamp component |
-
2019
- 2019-06-28 CN CN201920996070.5U patent/CN210552694U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400588A (en) * | 2021-07-13 | 2021-09-17 | 深圳市泰兴源科技有限公司 | Better injection mold of shaping quality |
| WO2024183116A1 (en) * | 2023-03-08 | 2024-09-12 | 台州职业技术学院 | Injection mold for vehicle lamp component |
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| CP03 | Change of name, title or address |
Address after: No.10 Yuanhe Road, Wuqing District, Tianjin Patentee after: Tianjin dimak Pharmaceutical Technology Co.,Ltd. Address before: 2 / F, No.4 workshop, No.6 Xinchuang Road, Wuqing District, Tianjin Patentee before: Tianjin Secco Kell Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.10 Yuanhe Road, Wuqing District, Tianjin Patentee after: Tianjin Demak Medical Instrument Co.,Ltd. Address before: No.10 Yuanhe Road, Wuqing District, Tianjin Patentee before: Tianjin dimak Pharmaceutical Technology Co.,Ltd. |