CN111016091B - Novel arc core pulling mechanism for injection mold and working method - Google Patents
Novel arc core pulling mechanism for injection mold and working method Download PDFInfo
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- CN111016091B CN111016091B CN202010051771.9A CN202010051771A CN111016091B CN 111016091 B CN111016091 B CN 111016091B CN 202010051771 A CN202010051771 A CN 202010051771A CN 111016091 B CN111016091 B CN 111016091B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 15
- 238000002347 injection Methods 0.000 title claims description 13
- 239000007924 injection Substances 0.000 title claims description 13
- 230000009471 action Effects 0.000 claims abstract description 59
- 238000005192 partition Methods 0.000 claims abstract description 18
- 230000003111 delayed effect Effects 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application discloses a novel arc core pulling mechanism for injection molding, wherein the bottom of a fixed die plate is inserted into a movable die plate through a guide post, one side of a bracket of an arc core body of an arc core is provided with a bending auxiliary rod, the middle of the arc core is connected with the movable die plate, and a left pin hole of the bending auxiliary rod of the arc core is connected with a sliding block; the sliding block is arranged in the sliding block groove frame, a long cylinder of the sliding block groove frame penetrates through a left hole of the fixed die plate, a right hook and a left hook are arranged at the bottom of the sliding block groove frame, and a distance screw rod penetrates through a right hole of the fixed die plate; the sliding chute shell is horizontally fixed on the movable template, a square partition plate is arranged in the middle of the sliding rod body, a right cylindrical pin, a left cylindrical pin and a guide pin are arranged on one side of the sliding rod body, the guide sliding rod penetrates through the sliding chute shell, the spring penetrates through the right part of the guide sliding rod, the spring is arranged between the sliding chute shell and the square partition plate in the middle of the guide sliding rod, and the upper end of the screw rod frame is fixed on the left side face of the fixed template. The application realizes the circular arc core pulling action by using simple components such as the connecting rod slide block and the like; the delayed core pulling is realized by utilizing the convex blocks, the guide sliding rods, the limit screws and the like.
Description
Technical Field
The invention relates to an industrial pipeline use article. In particular to a novel arc core pulling mechanism for an injection mold and a working method thereof.
Background
Aiming at circular arc-shaped and hollow plastic parts, a circular arc core pulling mechanism is required to be designed in an injection mold, so that the motion track of a circular arc core is arc-shaped, the conventional circular arc core pulling mechanism is provided with a gear-circular arc rack or a spiral bent pin, the structure of the mold is complex, and the cost of the mold is high; at present, the swing rod type core pulling mechanism has a series of problems that the core pulling action is assisted by gravity, the swing rod position cannot be accurately positioned during mold opening, and the like, and aiming at the situation, the patent in the injection mold provides a novel arc core pulling mechanism for the injection mold.
Disclosure of Invention
In order to solve the above-mentioned problems. The invention provides a novel arc core pulling mechanism for injection molding and a working method thereof, wherein the arc core pulling action is realized by using simple components such as a connecting rod sliding block and the like; the delayed core pulling is realized by utilizing the convex blocks, the guide sliding rods, the limit screws and the like. The structure is simple and easy to manufacture; and the core pulling distance is adjustable, so that the die cost is greatly reduced. To achieve this object:
The invention provides a novel arc core pulling mechanism for injection molding, which comprises a fixed die plate, a fixed-distance screw rod, an arc core, a movable die plate, a sliding block groove frame, a sliding guide rod, a sliding groove shell, a spring, a lug, a screw rod frame, a sliding block and a nut, wherein the bottom of the fixed die plate is inserted into the movable die plate through a guide post; the sliding block is arranged in the square frame body of the sliding block groove frame and is connected with the sliding block groove frame through a T-shaped track, and the sliding block moves left and right along the T-shaped track in operation; the long cylinder of the sliding block groove frame passes through the left hole of the fixed die plate, the bottom of the sliding block groove frame is provided with a right hook and a left hook, and the distance screw rod passes through the right hole of the fixed die plate and is in threaded connection with the cylinder screw hole of the sliding block groove frame; the sliding chute shell is horizontally fixed on the movable template, the sliding guide rod comprises a sliding rod body, square partition plates, right cylindrical pins, left cylindrical pins and guide pins, the square partition plates are arranged in the middle of the sliding rod body, the right cylindrical pins, the left cylindrical pins and the guide pins are arranged on one side of the sliding rod body, the guide pins are arranged on two sides of the square partition plates, the sliding guide rod penetrates through the sliding chute shell, the bottom surface of the sliding guide rod is connected with the sliding chute shell through a T-shaped guide rail, the sliding guide rod moves left and right along the sliding chute shell in the working process, the spring penetrates through the right part of the sliding guide rod and is arranged between the sliding chute shell and the square partition plates in the middle of the sliding guide rod, and in a die closing state, the square partition plates of the sliding guide rod are positioned on the left side of a cavity of the sliding chute shell under the action of the spring; at the moment, the left and right hooks of the sliding block groove frame are hooked with the left and right cylindrical pins of the sliding guide rod, the upper end of the screw rod frame is fixed on the left side surface of the fixed template, and the screw rod penetrates through the screw rod frame and is axially fixed by a nut; the lug is in threaded connection with the screw rod, the bottom of the lug is connected with the screw rod frame through a T-shaped guide rail, and the screw rod can drive the lug to move up and down along the screw rod frame through rotation of the screw rod.
As a further improvement of the structure of the invention, the bottom of the square frame body of the sliding block groove frame is provided with the reset screw, the reset screw is in threaded connection with the cylindrical screw hole of the sliding block groove frame, when the die is assembled, the movable die plate moves upwards, the sliding block slides leftwards, the circular arc core rotates anticlockwise along the middle hinge of the circular arc core under the action of the sliding block, and the reset action of circular arc core pulling is completed. When the cylindrical pin of the guide slide bar upwards contacts the inclined plane at the bottom of the hook, under the action of the inclined plane, the cylindrical pin of the guide slide bar upwards moves rightwards along the inclined plane against the spring force, when the cylindrical pin rises to the uppermost part of the inclined plane at the bottom of the hook, the cylindrical pin of the guide slide bar is reset leftwards under the action of the spring force, namely, is hooked again by the hook of the sliding block groove frame, and meanwhile, the reset screw of the sliding block shell contacts with the bottom surface of the sliding block groove frame to push the sliding block groove frame to reset, 1 reset screw or 2 reset screws are adopted, and the sliding block groove frame is stressed and balanced by adopting two reset screws from the consideration of manufacturing precision.
The invention provides a working method of a novel arc core pulling mechanism for an injection mold, which comprises the following specific steps:
1) Delay action of core pulling:
When the mold is opened, the movable mold plate moves downwards under the action of the injection machine, the chute shell drives the guide slide bar to synchronously move downwards, at the moment, the two cylindrical pins of the guide slide bar are hooked by the two hooks of the slide block chute frame, so that the slide block chute frame is driven to synchronously move downwards, and the slide block chute frame do not move relatively, so that the circular arc mold core cannot rotate and then move downwards, namely, circular arc core pulling action cannot be performed, and the process is a delayed action of core pulling; the movable template continues to move downwards, when the head of the fixed-distance screw rod contacts the fixed template, the sliding block groove frame can not move downwards under the action of the fixed-distance screw rod, at the moment, the guide sliding rod moves rightwards under the action of the convex block, and the hook of the sliding block groove frame breaks away from the cylindrical pin of the guide sliding rod; namely, the guide slide bar is separated from the hook, and the delay action of core pulling is finished at the moment.
2) Arc core pulling action:
The movable mould plate continues to move downwards, the guide slide bar moves downwards under the action of the slide groove shell, and the slide block groove frame is not moved, so that the slide block starts to slide rightwards, namely the circular arc core rotates clockwise along the middle hinge of the circular arc core under the action of the slide block, and circular arc core pulling action is realized;
3) Resetting the arc core;
when the die is assembled, the movable die plate moves upwards, the sliding block slides leftwards, the circular arc core rotates anticlockwise along the middle hinge of the circular arc core under the action of the sliding block, the reset action of circular arc core pulling is completed, when the cylindrical pin of the guide sliding rod contacts the inclined surface at the bottom of the hook upwards, under the action of the inclined surface, the cylindrical pin of the guide sliding rod moves upwards and rightwards along the inclined surface against the spring force, when the cylindrical pin rises to the uppermost part of the inclined surface at the bottom of the hook, the cylindrical pin of the guide sliding rod resets under the action of the spring force, namely is hooked again by the hook of the sliding block groove frame, and meanwhile, the reset screw of the sliding groove shell contacts the bottom surface of the sliding block groove frame to push the sliding block groove frame to reset.
The invention provides a novel arc core pulling mechanism for an injection mold and a working method thereof, which are specifically designed as follows:
1. The application realizes circular arc core pulling by utilizing a simple connecting rod sliding block mechanism; the cost of the die is greatly reduced;
2. The application realizes delayed core pulling by utilizing the convex blocks, the guide sliding rods, the limit screws and the like, thereby being capable of carrying out delayed core pulling according to specific requirements and adjusting the delay time:
3. When the time for delaying core pulling needs to be increased, the distance screw is rotated firstly to increase the distance between the head of the distance screw and the fixed template, and then the screw is rotated to enable the lug to move downwards by the same distance, so that the delay time is increased; if the time for delay core pulling is required to be reduced, the distance screw is rotated in the opposite direction, so that the distance between the head of the distance screw and the fixed template is reduced, and then the screw is rotated, so that the lug is moved upwards by the same distance, and the time for delay core pulling is reduced.
Drawings
FIG. 1 is a schematic overall view of the present invention;
FIG. 2 is a partial schematic diagram of the present invention;
FIG. 3 is a partial schematic diagram of the present invention;
FIG. 4 is a partial schematic view III of the present invention;
FIG. 5 is a partial schematic diagram of the present invention;
FIG. 6 is a schematic diagram of a delayed core pulling in-process state of the invention;
FIG. 7 is a schematic diagram of the delay core pulling end state of the present invention;
FIG. 8 is a schematic diagram of a core pulling state of a finished circular arc core according to the present invention;
Illustration of:
1. A stationary mold plate; 1-1, left hole; 1-2, right hole; 1-3, a guide post; 2. a distance screw; 3. a circular arc core; 3-1 left pin hole; 3-2 middle pin holes; 3-3 arc core body; 4. a movable template; 5. a slide block groove frame; 5-1, square frame; 5-2, long cylinder; 5-3, cylindrical screw holes; 5-4, right hooks; 5-5, left hook; 6. a reset screw; 7. a slide guiding rod; 7-1, a slide bar body; 7-2, square partition boards; 7-3, right cylindrical pins; 7-4, a left cylindrical pin; 7-5, guide pins; 8. a chute housing; 9. a spring; 10. a bump; 11. a screw; 12. a screw rack; 13. a slide block; 14. and (3) a nut.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description:
the invention provides a novel arc core pulling mechanism for injection molding and a working method thereof, wherein the arc core pulling action is realized by using simple components such as a connecting rod sliding block and the like; the delayed core pulling is realized by utilizing the convex blocks, the guide sliding rods, the limit screws and the like. The structure is simple and easy to manufacture; and the core pulling distance is adjustable, so that the die cost is greatly reduced.
As one embodiment of the invention, the invention provides a novel arc core pulling mechanism for injection molding, which is shown in the figures 1-5, and comprises a fixed die plate 1, a fixed-distance screw rod 2, an arc core 3, a movable die plate 4, a sliding block groove frame 5, a sliding guide rod 7, a sliding groove shell 8, a spring 9, a convex block 10, a screw rod 11, a screw rod frame 12, a sliding block 13 and a nut 14, wherein the bottom of the fixed die plate 1 is inserted into the movable die plate 4 through a guide post 1-3, a bending auxiliary rod is arranged on one side of a bracket of an arc core body 3-3 of the arc core 3, a bent rod of the arc core body 3-3 of the arc core 3 is inserted between the fixed die plate 1 and the movable die plate 4, a middle pin hole 3-2 of the arc core 3 is connected with the movable die plate 4 through a hinge, the arc core 3 rotates around the middle hinge in the working process, and a left pin hole 3-1 of the bending auxiliary rod of the arc core 3 is connected with the sliding block 13 through the hinge; the sliding block 13 is arranged in the square frame body 5-1 of the sliding block groove frame 5, is connected with the sliding block groove frame 5 through a T-shaped track, and moves left and right along the T-shaped track in operation; the long cylinder 5-2 of the sliding block groove frame 5 passes through the left hole 1-1 of the fixed die plate 1, the bottom of the sliding block groove frame 5 is provided with a right hook 5-4 and a left hook 5-5, and the distance screw 2 passes through the right hole 1-2 of the fixed die plate 1 and is in threaded connection with the cylinder screw hole 5-3 of the sliding block groove frame 5; the sliding chute shell 8 is horizontally fixed on the movable template 4, the sliding guide rod 7 comprises a sliding chute body 7-1, square partition plates 7-2, right cylindrical pins 7-3, left cylindrical pins 7-4 and guide pins 7-5, the square partition plates 7-2 are arranged in the middle of the sliding chute body 7-1, the right cylindrical pins 7-3, the left cylindrical pins 7-4 and the guide pins 7-5 are arranged on one side of the sliding chute body 7-1, the guide pins 7-5 are arranged at one end of the sliding chute body 7-1, the right cylindrical pins 7-3 and the left cylindrical pins 7-4 are arranged on two sides of the square partition plates 7-2, the sliding guide rod 7 penetrates through the sliding chute shell 8 and the bottom surface of the sliding guide rod 7 is connected with the sliding chute shell 8 through T-shaped guide rails, the spring 9 penetrates through the right part of the sliding chute shell 8 and is arranged between the square partition plates 7-2 in the middle of the sliding chute shell 8, and in a die clamping state, and the square partition plates 7-2 of the sliding guide rod 7 are positioned at the left side of the sliding chute shell 8 under the action of the spring 9; at the moment, the left and right hooks of the slide block groove frame 5 are hooked with the left and right cylindrical pins of the slide guide rod, the upper end of the screw rod frame 12 is fixed on the left side surface of the fixed template 1, and the screw rod 11 penetrates through the screw rod frame 12 and is axially fixed by the nut 14; the lug 10 is in threaded connection with the screw 11, the bottom of the lug 10 is connected with the screw frame 12 through a T-shaped guide rail, the screw 11 rotates to drive the lug 10 to move up and down along the screw frame 12, a reset screw is arranged at the bottom of a square frame body of the slide block groove frame 5, the reset screw 6 is in threaded connection with a cylindrical screw hole 5-3 of the slide block groove frame 5, the reset screw 6 is provided with a pair of reset screws, when the die is closed, the movable die plate moves upwards, the slide block 13 slides leftwards, and the circular arc core 3 rotates anticlockwise along a middle hinge of the circular arc core 3 under the action of the slide block 13, so that the reset action of circular arc core pulling is completed. When the cylindrical pin of the guide slide bar 7 contacts the inclined surface at the bottom of the hook 5-4 upwards, the cylindrical pin of the guide slide bar 7 moves upwards and rightwards along the inclined surface under the action of the inclined surface, and when the cylindrical pin rises to the uppermost position of the inclined surface at the bottom of the hook, the cylindrical pin of the guide slide bar 7 resets leftwards under the action of the spring force, namely is hooked again by the hook of the slide block groove frame 5, and at the same time, the reset screw of the slide block shell contacts the bottom surface of the slide block groove frame to push the slide block groove frame to reset.
The specific working principle is as follows:
When the mold is opened, as shown in fig. 6, the movable mold plate moves downwards under the action of the injection machine, the chute shell drives the slide guide rod to synchronously move downwards, at the moment, because the two cylindrical pins of the slide guide rod are hooked by the two hooks of the slide block chute frame, the slide block chute frame is driven to synchronously move downwards, and the slide block chute frame do not move relatively, so that the circular arc mold core cannot rotate and then move downwards, namely, circular arc core pulling action cannot be performed, and the process is a delayed action of core pulling.
The movable template continues to move downwards as shown in fig. 7, when the head of the fixed-distance screw rod contacts the fixed template, the sliding block groove frame can not move downwards under the action of the fixed-distance screw rod, at the moment, the guide sliding rod moves rightwards under the action of the protruding block, and the hooks of the sliding block groove frame are separated from the cylindrical pins of the guide sliding rod; namely, the guide slide bar is separated from the hook, and the delayed core pulling action is finished at the moment; the movable mould plate continues to move downwards as shown in fig. 8, the slide guide rod moves downwards under the action of the chute shell, and the chute frame of the slide block is not moved, so that the slide block starts to slide rightwards, namely the circular arc core rotates clockwise along the middle hinge of the circular arc core under the action of the slide block, and circular arc core pulling action is realized.
When the mold is closed, the movable mold plate moves upwards, the sliding block slides leftwards, the circular arc core rotates anticlockwise along the middle hinge of the circular arc core under the action of the sliding block, and the reset action of circular arc core pulling is completed. When the cylindrical pin of the guide slide rod upwards contacts with the inclined surface at the bottom of the hook, under the action of the inclined surface, the cylindrical pin of the guide slide rod upwards moves rightwards along the inclined surface against the spring force, when the cylindrical pin rises to the uppermost part of the inclined surface at the bottom of the hook, the cylindrical pin of the guide slide rod is reset leftwards under the action of the spring force, namely, is hooked again by the hook of the slide block groove frame, and meanwhile, the reset screw of the slide block shell contacts with the bottom surface of the slide block groove frame to push the slide block groove frame to reset.
The above description is only of the preferred embodiment of the present invention, and is not intended to limit the present invention in any other way, but is intended to cover any modifications or equivalent variations according to the technical spirit of the present invention, which fall within the scope of the present invention as defined by the appended claims.
Claims (1)
1. The utility model provides a circular arc mechanism of loosing core that injection mold used, includes fixed die plate (1), distance screw rod (2), circular arc core (3), movable mould board (4), slider cell frame (5), leads slide bar (7), spout casing (8), spring (9), lug (10), screw rod (11), screw rod frame (12), slider (13) and nut (14), its characterized in that: the working method of the arc core-pulling mechanism for the injection mold comprises the following specific steps:
1) Delay action of core pulling:
When the mold is opened, the movable mold plate (4) moves downwards under the action of the injection machine, the chute shell (8) drives the guide slide rod (7) to synchronously move downwards, at the moment, because two cylindrical pins of the guide slide rod (7) are hooked by two hooks of the slide block chute frame (5), the slide block chute frame (5) is driven to synchronously move downwards, and the slide block (13) and the slide block chute frame (5) do not relatively move, so that the circular arc mold core (3) cannot rotate and then move downwards, namely, circular arc core pulling action cannot be performed, and the process is a delayed action of core pulling; the movable template continues to move downwards, when the head of the fixed-distance screw (2) contacts the fixed template (1), the sliding block groove frame (5) can not move downwards under the action of the fixed-distance screw (2), at the moment, the sliding guide rod (7) moves rightwards under the action of the protruding block (10), and the hooks of the sliding block groove frame (5) are separated from the cylindrical pins of the sliding guide rod (7); namely, the guide slide bar (7) is separated from the hook, the delay action of core pulling is finished at the moment, and 2) the arc core pulling action is performed: the movable template (4) continues to move downwards, the slide guide rod (7) moves downwards under the action of the chute shell (8), and the slide block chute frame (5) is not moved, so that the slide block (13) starts to slide rightwards, namely the circular arc core (3) rotates clockwise along the middle hinge of the circular arc core (3) under the action of the slide block (13), and circular arc core pulling action is realized;
3) Core pulling and resetting actions of the arc core;
when the die is assembled, the movable die plate (4) moves upwards, the sliding block (13) slides leftwards, the circular arc core (3) rotates anticlockwise along the middle hinge of the circular arc core (3) under the action of the sliding block (13), the reset action of circular arc core pulling is completed, when the cylindrical pin of the sliding guide rod (7) contacts the inclined surface at the bottom of the hook upwards under the action of the inclined surface, the cylindrical pin of the sliding guide rod (7) moves upwards and rightwards along the inclined surface against the spring force, when the cylindrical pin rises to the uppermost part of the inclined surface at the bottom of the hook under the action of the spring force, the cylindrical pin of the sliding guide rod (7) resets, namely is hooked again by the hook of the sliding block groove frame (5), and meanwhile, the reset screw (6) of the sliding groove shell (8) contacts the bottom surface of the sliding block groove frame (5) to push the sliding block groove frame (5) to reset;
The bottom of the fixed die plate (1) is inserted into the movable die plate (4) through a guide post (1-3), a bending auxiliary rod is arranged on one side of a bracket of an arc core body (3-3) of the arc core (3), a bent rod of the arc core body (3-3) of the arc core (3) is inserted between the fixed die plate (1) and the movable die plate (4), the position of a middle pin hole (3-2) of the arc core (3) is connected with the movable die plate (4) through a hinge, the arc core (3) rotates around the middle hinge in the working process, and the position of a left pin hole (3-1) of the bending auxiliary rod of the arc core (3) is hinged with a sliding block (13); the sliding block (13) is arranged in the square frame body (5-1) of the sliding block groove frame (5) and is connected with the sliding block groove frame (5) through a T-shaped track, and moves left and right along the T-shaped track in operation; the long cylinder (5-2) of the sliding block groove frame (5) passes through the left hole (1-1) of the fixed die plate (1), the bottom of the sliding block groove frame (5) is provided with a right hook (5-4) and a left hook (5-5), and the distance screw (2) passes through the right hole (1-2) of the fixed die plate (1) and is in threaded connection with the cylindrical screw hole (5-3) of the sliding block groove frame (5); the sliding chute shell (8) is horizontally fixed on the movable template (4), the sliding guide rod (7) comprises a sliding chute body (7-1), square partition boards (7-2), right cylindrical pins (7-3), left cylindrical pins (7-4) and guide pins (7-5), the square partition boards (7-2) are arranged in the middle of the sliding chute body (7-1), the right cylindrical pins (7-3), the left cylindrical pins (7-4) and the guide pins (7-5) are arranged on one side of the sliding chute body (7-1), the guide pins (7-5) are arranged at one end of the sliding chute body (7-1), the right cylindrical pins (7-3) and the left cylindrical pins (7-4) are arranged on two sides of the square partition boards (7-2), the bottom surface of the sliding guide rod (7) penetrates through the sliding chute shell (8) and is connected with the sliding chute shell (8) in a T-shaped guide way, the spring (9) penetrates through the right part of the sliding chute shell (7) and is installed between the square partition boards (7-2) in the middle of the sliding chute shell (8), the square partition plate (7-2) of the guide slide bar (7) is positioned at the left side of the cavity of the chute shell (8) under the action of the spring (9);
At the moment, the left and right hooks of the sliding block groove frame are hooked with the left and right cylindrical pins of the sliding guide rod, the upper end of the screw rod frame (12) is fixed on the left side surface of the fixed template (1), and the screw rod (11) penetrates through the screw rod frame (12) and is axially fixed by the nut (14); the lug (10) is in threaded connection with the screw (11), the bottom of the lug (10) is connected with the screw frame (12) through a T-shaped guide rail, and the screw (11) can drive the lug (10) to move up and down along the screw frame (12) through rotation of the screw;
the bottom of the square frame body (5-1) of the sliding block groove frame (5) is provided with a reset screw (6), and the reset screw (6) is in threaded connection with a cylindrical screw hole of the sliding block groove frame (5);
the number of the reset screws (6) is 1 or 2.
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| CN202010051771.9A CN111016091B (en) | 2020-01-17 | 2020-01-17 | Novel arc core pulling mechanism for injection mold and working method |
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| CN202010051771.9A CN111016091B (en) | 2020-01-17 | 2020-01-17 | Novel arc core pulling mechanism for injection mold and working method |
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| CN111016091B true CN111016091B (en) | 2024-05-14 |
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| CN116533461B (en) * | 2023-07-05 | 2023-10-31 | 太仓意欣智能科技有限公司 | Quick forming equipment of household electrical appliances working of plastics |
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| CN206528012U (en) * | 2017-03-06 | 2017-09-29 | 扬州恒生精密模具有限公司 | Swing rod rotary shaft arc core pulling structure |
| JP2019006074A (en) * | 2017-06-28 | 2019-01-17 | トヨタ自動車九州株式会社 | Injection molding mold, and injection molding method |
| CN109016395A (en) * | 2018-08-31 | 2018-12-18 | 金陵科技学院 | A kind of injection mold of novel secondary core pulling |
| CN211662564U (en) * | 2020-01-17 | 2020-10-13 | 金陵科技学院 | Novel circular arc mechanism of loosing core that injection mould was used |
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