CN220638771U - Ejector structure of sliding block for preventing sticking of mold - Google Patents
Ejector structure of sliding block for preventing sticking of mold Download PDFInfo
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- CN220638771U CN220638771U CN202322213507.2U CN202322213507U CN220638771U CN 220638771 U CN220638771 U CN 220638771U CN 202322213507 U CN202322213507 U CN 202322213507U CN 220638771 U CN220638771 U CN 220638771U
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- thimble
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- 238000003825 pressing Methods 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application relates to a slider prevents ejecting structure of bonding mould belongs to the mould field of making, include: the utility model provides a mould, including base and sliding connection, the slider seat on the base, fixedly connected with slider on the slider seat, sliding connection has the thimble in the slider, the radial slip of product is all followed to slider seat and thimble, sliding connection has the drive block that links to each other with the mould on the slider seat, the axial slip of product is followed to the drive block, the drive block links to each other with the slider through first drive assembly, the drive block passes through second drive assembly and thimble links to each other, when the drive block drive slider slides towards the direction of keeping away from the product, the thimble keeps motionless, and when the mould is opened in this application, the drive block slides, and then drives the slider and slides towards the direction of keeping away from the product, and the thimble keeps motionless to realize the drawing of patterns, simple structure, compactness, and does not need extra power supply, and is energy-conserving environmental protection, agrees with sustainable development's idea.
Description
Technical Field
The application relates to the field of die manufacturing, in particular to an ejection structure for preventing a sliding block from sticking to a die.
Background
The injection mold is a common mold for processing plastic products, when holes or grooves are formed in the side surface of a product to be molded, a side core pulling structure is usually added into the mold for facilitating demolding of the plastic product, and in the mold opening process, a worker performs side pulling ejection on the molded plastic product through the side core pulling mechanism.
When the same side of the molded product is provided with a plurality of holes or grooves, the mold is secondarily pulled, and a core pulling device is needed to be designed so as to adapt to the holes or grooves at different positions. The core pulling device generally comprises a sliding block, a thimble, an oil cylinder and the like, wherein the sliding block and the thimble are abutted to the same side of a product, the product is adhered to the sliding block, and the thimble is slidably connected in the sliding block. The oil cylinder drives the sliding block to slide in the direction away from the product, and meanwhile, the oil cylinder drives the thimble to slide in the direction close to the product, so that the product is separated from the sliding block.
For the related art in the above, there are the following drawbacks: the core pulling device has the advantages of complex structure, large occupied space, energy waste and deviation from the concept of sustainable development.
Disclosure of Invention
In order to solve the problems that a core pulling device is complex in structure, large in occupied space and energy-wasting, the application provides an ejection structure of a sliding block for preventing sticking of a die.
The application provides a slider prevents ejecting structure of sticking to mould adopts following technical scheme:
an ejector structure of a slider for preventing sticking of a mold, comprising: the sliding block is connected with the ejector pin in a sliding manner, the ejector pin is fixedly connected with the sliding block, the sliding block and the ejector pin slide along the radial direction of a product, a driving block connected with the die is connected to the sliding block in a sliding manner, the driving block slides along the axial direction of the product, the driving block is connected with the sliding block through a first transmission assembly, the driving block is connected with the ejector pin through a second transmission assembly, and the ejector pin keeps motionless when the driving block drives the sliding block to slide along the direction far away from the product.
Through adopting above-mentioned technical scheme, during the die sinking, the drive block slides, under the effect of first drive assembly, and the drive block drives the slider and slides towards the direction of keeping away from the product, under the effect of second drive assembly, the thimble keeps motionless to realize the drawing of patterns, simple structure, compactness, and need not extra power supply, energy-concerving and environment-protective, agrees with sustainable development's theory.
Optionally: the first transmission assembly comprises a guide post penetrating through the driving block and the sliding block seat, the guide post is obliquely arranged, a first through hole for the guide post to penetrate through is formed in the driving block, a second through hole for the guide post to penetrate through is formed in the sliding block seat, the guide post and the first through hole are in interference fit, and the guide post and the second through hole are in clearance fit.
Through adopting above-mentioned technical scheme, when the drive block slides, because the guide pillar is interference fit with first through-hole, the guide pillar slides along with the drive block, because guide pillar and second through-hole are clearance fit, the guide pillar slides along the second through-hole, simultaneously, the guide pillar has exerted a radial power along the product to the slider seat to drive the slider seat and radially slide along the product, and then drive the slider and radially slide along the product, simple structure, the transmission is high-efficient.
Optionally: the end part of the guide post is provided with a limiting block, and the driving block is provided with a limiting groove for accommodating the limiting block.
Through adopting above-mentioned technical scheme, along with the possibility that exists not hard up between long-time use guide pillar and the first through-hole, under the spacing effect of stopper and spacing groove, reduced the possibility that the guide pillar is not hard up.
Optionally: the second transmission assembly comprises a thimble pressing block fixedly connected in the sliding block seat, one side of the thimble pressing block, which is close to the product, is abutted to the sliding block, an avoidance groove for avoiding the thimble pressing block is formed in the sliding block, one side of the thimble pressing block, which is far away from the product, is abutted to the driving block, the contact surface of the thimble pressing block and the driving block comprises a straight section and an inclined section, the straight section is parallel to the axis of the product, and the thimble is fixedly connected in the thimble pressing block.
Through adopting above-mentioned technical scheme, when the drive block removes, because the setting of straight section, the drive block does not exert the drive force to the thimble briquetting, and the thimble briquetting keeps motionless, along with the removal of slider, slider and product phase separation, in the thimble briquetting got into dodge the groove, along with the continued movement of drive block, thimble briquetting butt was on dodging the inner wall in groove, and the slider drives the thimble briquetting and removes to accomplish the drawing of patterns, simple structure, transmission is high-efficient.
Optionally: the thimble is in threaded connection with the thimble pressing block.
Through adopting above-mentioned technical scheme, the dismouting is convenient, connects firmly, is convenient for change the thimble.
Optionally: the thimble is sleeved with a spring, one end of the spring is connected to the sliding block, the other end of the spring is connected to the thimble pressing block, and the spring is in an original length or compression state.
Through adopting above-mentioned technical scheme, accomplish the drawing of patterns back, the spring is in compression state, takes out the back with the product, under the effect of spring restoring force, slider automatic re-setting, simple operation, labour saving and time saving.
Optionally: and one side of the driving block, which is close to the thimble pressing block, is provided with a wear-resisting plate, and the wear-resisting plate is abutted on the thimble pressing block.
By adopting the technical scheme, the driving block and the thimble pressing block are easy to damage in a state of sliding relatively for a long time, and the driving block needs to be replaced after being damaged, so that the cost is high; the setting of antifriction plate has promoted the wearability of drive piece, has prolonged the life of drive piece, and when antifriction plate is impaired, only needs to change antifriction plate, and the cost is lower.
Optionally: the driving block is provided with a countersunk groove for accommodating the wear-resisting plate.
By adopting the technical scheme, on one hand, the surface of the driving block is smoother, so that the driving block is attractive in appearance and convenient to install; on the other hand, the connection between the wear-resistant plate and the driving block is more stable, and the possibility of loosening the wear-resistant plate is reduced.
In summary, the present application has the following beneficial effects:
when the die is opened, the driving block slides, and then the sliding block is driven to slide in a direction away from a product, and the ejector pin is kept motionless, so that the die stripping is realized, the structure is simple and compact, an additional power source is not needed, and the die stripping machine is energy-saving and environment-friendly and is matched with the sustainable development concept.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present application;
fig. 2 is a cross-sectional view of the overall structure of an embodiment of the present application.
Reference numerals illustrate:
1. a base; 2. a slider seat; 3. a slide block; 31. a guide post; 32. a first through hole; 33. a second through hole; 34. a limiting block; 35. a limit groove; 4. a thimble; 41. a thimble pressing block; 42. an avoidance groove; 43. a straight section; 44. an inclined section; 45. a spring; 5. a product; 6. a driving block; 61. a wear plate; 62. a countersunk head groove; 71. a threaded hole; 72. a groove; 73. and (3) a screw.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
This embodiment: an ejector structure of a slider for preventing sticking of a mold, referring to fig. 1 and 2, includes: base 1 and along radial horizontal sliding connection of product 5 the slider seat 2 on base 1, slider seat 2 left side fixedly connected with slider 3, along radial horizontal sliding connection of product 5 there is thimble 4 in the slider 3, both ends all run through slider 3 about the thimble 4, slider seat 2 and the right side of thimble 4 left side all butt in product 5.
The top of the sliding block seat 2 is vertically and slidably connected with a driving block 6 connected with a die along the axial direction of a product 5, the left side of the driving block 6 is abutted against the right side of the sliding block 3 and the thimble 4, the driving block 6 is connected with the sliding block 3 through a first transmission assembly, the driving block 6 is connected with the thimble 4 through a second transmission assembly, and the thimble 4 is kept motionless when the driving block 6 drives the sliding block 3 to slide in the direction far away from the product 5.
When the die is opened, the driving block 6 vertically slides upwards, the sliding block 3 slides rightwards under the transmission action of the first transmission component, the thimble 4 is kept motionless under the action of the second transmission component, and at the moment, the sliding block 3 is separated from the product 5, so that the die stripping is realized, the structure is simple and compact, an additional power source is not needed, and the die stripping device is energy-saving and environment-friendly and is matched with the sustainable development concept.
The first transmission component comprises a guide pillar 31 penetrating through the driving block 6 and the sliding block seat 2, the guide pillar 31 is obliquely arranged leftwards at thirty degrees, a limiting block 34 is fixedly connected to the top end of the guide pillar 31, and a limiting groove 35 for accommodating the limiting block 34 is formed in the top of the driving block 6.
The driving block 6 is internally provided with a first through hole 32 for the guide post 31 to pass through, the sliding block seat 2 is internally provided with a second through hole 33 for the guide post 31 to pass through, and the limiting groove 35, the first through hole 32 and the second through hole 33 are sequentially communicated. The bottom of the limiting block 34 is abutted to the bottom of the limiting groove 35, the guide post 31 is in interference fit with the first through hole 32, and the guide post 31 is in clearance fit with the second through hole 33.
When the driving block 6 vertically slides upwards, the guide post 31 vertically slides upwards along with the driving block 6, the lower part of the guide post 31 slides along the second through hole 33, the guide post 31 applies a horizontal rightward pressure to the sliding block 3 seat, the sliding block seat 2 and the sliding block 3 horizontally slide rightward, and the sliding block 3 is separated from the product 5.
Wherein, the second transmission assembly includes thimble briquetting 41 of fixed connection in slider seat 2, and thimble briquetting 41 is located between slider 3 and drive block 6, and the groove 42 of dodging that is used for dodging thimble briquetting 41 has been seted up on slider 3 right side.
A countersunk groove 62 is formed in the left side of the driving block 6, a wear-resisting plate 61 is fixedly connected in the countersunk groove 62, and the right side of the thimble pressing block 41 is abutted against the left side of the wear-resisting plate 61. The contact surface of the thimble pressing block 41 and the wear-resisting plate 61 comprises a straight section 43 and an inclined section 44, the straight section 43 is parallel to the axis of the product 5, and the inclined section 44 is in a thirty-degree inclined state.
A horizontal threaded hole 71 is formed in the thimble pressing block 41 along the radial direction of the product 5, and the threaded hole 71 penetrates through the thimble pressing block 41. The right end of the thimble 4 is fixedly connected with a screw rod 73, the screw rod 73 is in threaded connection with the threaded hole 71, and a preset gap is reserved between the right end of the screw rod 73 and the left side of the wear-resisting plate 61. The middle part of the thimble 4 is sleeved with a spring 45, the right side of the sliding block 3 is provided with a groove 72 for accommodating the spring 45, and the groove 72 is communicated with the avoidance groove 42. The left end of the spring 45 is fixedly connected to the right side of the sliding block 3, the right end of the spring 45 is fixedly connected to the left side of the thimble pressing block 41, and the spring 45 is in the original length.
When the driving block 6 vertically slides upwards, the sliding block 3 slides rightwards, the thimble pressing block 41 contacts with the straight section 43 of the wear-resisting plate 61, the thimble 4 is kept motionless, and the sliding block 3 is separated from the product 5. Along with the continuous movement of the driving block 6, the inner wall of the avoidance groove 42 is abutted to the left side of the thimble pressing block 41, the sliding block 3 drives the thimble pressing block 41 to slide rightwards, and then drives the thimble 4 to slide rightwards, and the thimble 4 is separated from the product 5. At this time, the spring 45 is in a compressed state, and after the product 5 is taken out, the slider 3 is restored by the restoring force of the spring 45.
The implementation principle of the ejection structure for preventing the sliding block from sticking to the die is as follows: when the die is opened, the driving block 6 slides upwards, and the sliding block seat 2 drives the sliding block 3 to slide rightwards under the action of the guide post 31. At the same time, the ejector pin press 41 is in contact with the straight section 43 of the wear plate 61, the ejector pin 4 is held stationary, and the product 5 is separated from the slider 3. At this time, the spring 45 is in a compressed state.
Along with the continuous sliding of the driving block 6, the sliding block 3 slides along with the continuous sliding, the inner wall of the avoidance groove 42 is abutted on the thimble pressing block 41, and then the thimble pressing block 41 and the thimble 4 are driven to slide rightwards, and the product 5 is separated from the thimble 4. After the product 5 is taken out, the sliding block 3 is reset under the action of the restoring force of the spring 45. The structure is simple and compact, no additional power source is needed, the energy is saved, the environment is protected, and the device is matched with the sustainable development concept.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. An ejector structure of a slider for preventing sticking of a mold, comprising: base (1) and sliding connection are in slider seat (2) on base (1), fixedly connected with slider (3) on slider seat (2), sliding connection has thimble (4) on slider (3), radial slip along product (5) is all followed to slider seat (2) and thimble (4), sliding connection has driving block (6) that link to each other with the mould on slider seat (2), driving block (6) are along the axial slip of product (5), driving block (6) link to each other with slider (3) through first drive assembly, driving block (6) link to each other with thimble (4) through second drive assembly, when driving block (6) drive slider (3) are slided towards the direction of keeping away from product (5), thimble (4) keep motionless.
2. The ejection structure of a slider for preventing sticking of a mold according to claim 1, wherein: the first transmission assembly comprises a guide pillar (31) penetrating through a driving block (6) and a sliding block seat (2), the guide pillar (31) is obliquely arranged, a first through hole (32) for the guide pillar (31) to penetrate through is formed in the driving block (6), a second through hole (33) for the guide pillar (31) to penetrate through is formed in the sliding block seat (2), the guide pillar (31) and the first through hole (32) are in interference fit, and the guide pillar (31) and the second through hole (33) are in clearance fit.
3. The ejection structure of a slide block for preventing sticking of a mold according to claim 2, wherein: the end part of the guide post (31) is provided with a limiting block (34), and the driving block (6) is provided with a limiting groove (35) for accommodating the limiting block (34).
4. The ejection structure of a slider for preventing sticking of a mold according to claim 1, wherein: the second transmission assembly comprises a thimble pressing block (41) fixedly connected in the sliding block seat (2), one side of the thimble pressing block (41) close to the product (5) is abutted to the sliding block (3), an avoidance groove (42) for avoiding the thimble pressing block (41) is formed in the sliding block (3), one side of the thimble pressing block (41) far away from the product (5) is abutted to the driving block (6), the contact surface of the thimble pressing block (41) and the driving block (6) comprises a straight section (43) and an inclined section (44), the straight section (43) is parallel to the axis of the product (5), and the thimble (4) is fixedly connected in the thimble pressing block (41).
5. The ejection structure of the slider for preventing sticking of a mold according to claim 4, wherein: the thimble (4) is in threaded connection with the thimble pressing block (41).
6. The ejection structure of the slider for preventing sticking of a mold according to claim 4, wherein: the ejector pin (4) is sleeved with a spring (45), one end of the spring (45) is connected to the sliding block (3), the other end of the spring (45) is connected to the ejector pin pressing block (41), and the spring (45) is in an original length or compression state.
7. The ejection structure of the slider for preventing sticking of a mold according to claim 4, wherein: one side of the driving block (6) close to the thimble pressing block (41) is provided with a wear-resisting plate (61), and the wear-resisting plate (61) is abutted to the thimble pressing block (41).
8. The ejection structure of the slider for preventing sticking of a mold according to claim 7, wherein: the driving block (6) is provided with a countersunk groove (62) for accommodating the wear-resisting plate (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322213507.2U CN220638771U (en) | 2023-08-16 | 2023-08-16 | Ejector structure of sliding block for preventing sticking of mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322213507.2U CN220638771U (en) | 2023-08-16 | 2023-08-16 | Ejector structure of sliding block for preventing sticking of mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220638771U true CN220638771U (en) | 2024-03-22 |
Family
ID=90293418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322213507.2U Active CN220638771U (en) | 2023-08-16 | 2023-08-16 | Ejector structure of sliding block for preventing sticking of mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220638771U (en) |
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2023
- 2023-08-16 CN CN202322213507.2U patent/CN220638771U/en active Active
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