CN110435095B - Automobile elbow pipe core-pulling mechanism - Google Patents
Automobile elbow pipe core-pulling mechanism Download PDFInfo
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- CN110435095B CN110435095B CN201910748354.7A CN201910748354A CN110435095B CN 110435095 B CN110435095 B CN 110435095B CN 201910748354 A CN201910748354 A CN 201910748354A CN 110435095 B CN110435095 B CN 110435095B
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- core
- arc
- pulling mechanism
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- sliding block
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- 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
- B29C45/261—Moulds having tubular mould cavities
- B29C45/2614—Moulds having tubular mould cavities for manufacturing bent tubular articles using an undercut forming mould core
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- 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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- 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
- B29C2045/338—Mould parts with combined axial and transversal movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/004—Bent tubes
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an automobile elbow core-pulling mechanism, which comprises a product and a lower template, wherein the product is positioned on the lower template, the product is internally provided with an arc-shaped groove, the front end of the product is provided with an annular bulge, the annular bulge is internally provided with a circular groove, the diameter of the circular groove is larger than that of the arc-shaped groove, the circular groove is communicated with the arc-shaped groove, a first insert core used for forming the inner wall of the circular groove is arranged in the circular groove, the arc-shaped groove is internally provided with a second embedded core used for forming the inner wall of the arc-shaped groove, and the device also comprises a first linear core-pulling mechanism used for pulling the core of the circular groove and a second circular arc core-pulling mechanism used for pulling the core of the circular groove, the first embedding core and the second embedding core are connected together, and the second secondary arc core pulling mechanism is positioned on the lower template.
Description
Technical Field
The invention relates to the field of injection molds, in particular to an automobile elbow core-pulling mechanism.
Background
The injection mold is a tool for producing plastic products, and comprises a movable mold and a fixed mold, wherein the movable mold and the fixed mold are closed to form a pouring system and a cavity during injection molding, the movable mold and the fixed mold are separated during mold opening so as to take out the plastic products, and a bent pipe is a large-angle arc.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the automobile bent pipe core pulling mechanism has the advantages of accelerating circular arc demolding, shortening movement distance, occupying small mechanism space and moving stably and reliably.
The technical scheme adopted by the invention is as follows: an automobile elbow core-pulling mechanism comprises a product and a lower template, wherein the product is positioned on the lower template, an arc-shaped groove is arranged in the product, an annular bulge is arranged at the front end of the product, a circular groove is formed in the annular bulge, the diameter of the circular groove is larger than that of the arc-shaped groove, the circular groove is communicated with the arc-shaped groove, a first core embedding mechanism for forming the inner wall of the circular groove is arranged in the circular groove, a second core embedding mechanism for forming the inner wall of the arc-shaped groove is arranged in the arc-shaped groove, the automobile elbow core-pulling mechanism further comprises a first linear core-pulling mechanism for pulling the circular groove and a second circular core-pulling mechanism for pulling the arc-shaped groove, the first core embedding mechanism and the second core embedding mechanism are connected together, the second circular core-pulling mechanism is positioned on the lower template, and the first linear core-pulling mechanism is positioned on the second circular core-pulling mechanism, and the secondary arc core-pulling mechanism synchronously pulls the cores together after the primary linear core-pulling mechanism completely pulls the cores.
After adopting the structure, compared with the prior art, the invention has the following advantages: the first linear core-pulling mechanism and the second circular arc core-pulling mechanism are arranged, the first linear core-pulling mechanism is utilized to drive the first embedded core to pull out the core, then the second circular arc core-pulling mechanism is utilized to drive the second embedded core and the first embedded core to carry out circular arc core-pulling together, the product is not easy to be strained, the reliability is high, circular arc demoulding is accelerated, the movement distance is shortened, the mechanism space occupies a small space, and the movement is stable and reliable.
Preferably, the first linear core pulling mechanism comprises a base, a sliding block, an inclined hole and a sliding block pressing plate, the base is arranged on the lower template, the sliding block, the inclined hole in sliding fit with the inclined guide pillar and the sliding block pressing plate are arranged on the base, the sliding block is in sliding fit between the sliding block pressing plates, one end, far away from a product, of the first insert core is fixed to the rear side of the sliding block, the inclined hole is formed in the upper surface of the sliding block, the inclined guide pillar is fixed to the upper template, the inclined guide pillar is in sliding fit with the inclined hole to drive the sliding block to move linearly when the mold is opened, the structure is simple, the space is not occupied, and first linear demolding of the circular groove is achieved.
Preferably, the lower surface of the sliding block pressing plate is spaced from the upper surface of the base, two sides of the sliding block are respectively in sliding fit between the sliding block pressing plate and the base, and reliability is high.
Preferably, the upper surface of the base is provided with a stop dog, the stop dogs are distributed along the width direction of the slide block, the stop dog is arranged between the two slide block pressing plates and is positioned on the front side surface of the slide block pressing plate to limit the slide block.
Preferably, the second circular arc core pulling mechanism comprises a rotating shaft, an oil cylinder, a planetary gear and a planetary wheel guide rail plate, the rotating shaft, the oil cylinder, the planetary gear and the planetary wheel guide rail plate are all arranged on a lower template, the rear end of the base rotates around the rotating shaft, the planetary gear is positioned between the planetary wheel guide rail plate and the front end of the base, the front side of the base is provided with a sun gear, one side, close to the planetary gear, of the planetary wheel guide rail plate is provided with a gear ring, the planetary gear is respectively meshed with the sun gear and the gear ring, a piston rod of the oil cylinder is connected with the planetary gear, the planetary gear rotates around the rotating shaft when the planetary gear drives the base to move around the rotating shaft, the planetary gear rotates around the rotating shaft, the circular arc core pulling with a large angle is realized by the planetary gear, the planetary core pulling mechanism comprises the base, the planetary gear and the planetary wheel guide rail plate, and the rotating shaft is fixed, the base is circular motion around the rotation axis, and as the sun gear, planet wheel guide rail board is for the rigid, and the planetary gear is from biography around the planetary gear center around rotation axis rotation limit, utilizes oil cylinder drive planetary gear respectively with sun gear and ring gear meshing, realizes that the base rotates, and the second is inlayed the core and is realized the circular arc and loose core, is difficult to pull the product, and planetary gear is along product circular arc drawing of patterns orbit of loosing core, is doing circular arc curvilinear path motion around the sun gear and is doing rotatory circular motion simultaneously. The oil cylinder driving stroke of the large-angle arc demoulding mechanism is shortened, the stress in the structure movement process is balanced, and the stability and reliability of the structure movement are ensured.
As preferred, lower bolster upper surface still be equipped with first arc and second arc, first arc and second arc concentric, the second arc be located first arc the place ahead, the centre of a circle of first arc be located the axis of rotation axis, the base lower surface be equipped with the guide holder, guide holder sliding fit between first arc and second arc and the base rotates at the guide holder upper surface, utilize the guide holder normal running fit between first arc and second arc, guarantee that the base only is circular motion, the second inlays the core and can realize smoothly that the circular arc is loosed core.
Preferably, the planet wheel guide rail plate comprises a first guide seat and a second guide seat, the first guide seat and the second guide seat are both arranged on the lower template, the second guide seat is arranged on the first guide seat, the first guide seat and the second guide seat form an Contraband-shaped structure with an opening facing to the planet gear, the upper surface of the first guide seat is provided with a first arc-shaped groove, the upper surface of the second guide seat is provided with a second arc-shaped groove, the gear ring is arranged on the inner side surface of the Contraband-shaped structure, the piston rod of the oil cylinder is provided with a fixed seat, the side surface of the fixed seat is provided with an open slot, the fixed seat is provided with a rotary rod which penetrates through the open slot from top to bottom, the planet gear is positioned in the open slot and is in running fit with the planet gear on the rotary rod, and the part of the rotary rod extending out of the open slot is provided with a guide block, the guide blocks are respectively in sliding fit in the first arc-shaped groove and the second arc-shaped groove, the structure is simple, the planetary gear can be guaranteed to rotate around the rotating rod, and the planetary gear can also be guaranteed to do circular motion around the rotating rod.
Preferably, the lower template is further provided with a first travel limit switch and a second travel limit switch, the first travel limit switch and the second travel limit switch are respectively located on the left side and the right side of the base and limit the base, and the base stops rotating when touching the first travel limit switch and the second travel limit switch.
Drawings
FIG. 1 is a perspective view of an automotive elbow core pulling mechanism of the present invention;
FIG. 2 is a perspective view of an automotive bent-tube core-pulling mechanism product of the present invention;
FIG. 3 is a perspective view of the automobile elbow core pulling mechanism with the lower template and the product removed;
FIG. 4 is a perspective view of a first linear core pulling mechanism of the automobile elbow core pulling mechanism of the present invention;
FIG. 5 is a perspective view of the base of the core pulling mechanism for automobile elbow pipes and the planetary gear of the present invention;
FIG. 6 is a perspective view of a planetary gear and a planetary wheel guide rail plate of the automobile elbow core-pulling mechanism.
The device comprises a base, a first embedded core, a second embedded core, a base, 8, a sliding block, 9, an inclined hole, 10, a sliding block pressing plate, 11, a stop block, 12, a first travel limit switch, 13, a second travel limit switch, 14, a rotating shaft, 15, an oil cylinder, 16, a planetary gear, 17, a lower template, 18, a planetary wheel guide rail plate, 19, a sun wheel, 20, a gear ring, 21, a first arc plate, 22, a second arc plate, 23, a guide seat, 24, a first guide seat, 25, a second guide seat, 26, a first arc groove, 27, a second arc groove, 28, a fixed seat, 29, an open groove, 30, a rotating rod, 31 and a guide block.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in the figure, the invention provides an automobile bent pipe core pulling mechanism, which comprises a product 1 and a lower template 17, wherein the product 1 is positioned on the lower template 17, an arc-shaped groove 2 is arranged in the product 1, an annular bulge 3 is arranged at the front end of the product 1, a circular groove 4 is arranged in the annular bulge 3, the diameter of the circular groove 4 is larger than that of the arc-shaped groove 2, the circular groove 4 is communicated with the arc-shaped groove 2, a first embedding core 5 for forming the inner wall of the circular groove 4 is arranged in the circular groove 4, a second embedding core 6 for forming the inner wall of the arc-shaped groove 2 is arranged in the arc-shaped groove 2, the automobile bent pipe core pulling mechanism further comprises a first linear core pulling mechanism for pulling the circular groove 4 and a second circular arc core pulling mechanism for pulling the arc-shaped groove 2, the first embedding core 5 and the second embedding core 6 are connected together, the second circular arc core pulling mechanism is positioned on the lower template 17, the invention has the advantages that the first linear core-pulling mechanism and the second circular core-pulling mechanism are arranged, the first linear core-pulling mechanism is used for driving the first embedded core to pull the core, then the second circular core-pulling mechanism is used for driving the second embedded core and the first embedded core to pull the core in a circular arc mode, the product 1 is not easily scratched, the reliability is high, circular arc demolding is accelerated, the movement distance is shortened, the mechanism space is small, and the movement is stable and reliable.
The first linear core pulling mechanism comprises a base 7, a sliding block 8, an inclined hole 9 and a sliding block pressing plate 10, wherein the inclined hole 9 and the sliding block pressing plate 10 are in sliding fit with an inclined guide post, the base 7 is arranged on a lower die plate 17, the sliding block 8, the inclined hole 9 and the sliding block pressing plate 10 are arranged on the base 7, the sliding block 8 is in sliding fit between the sliding block pressing plates 10, one end, far away from a product 1, of a first core embedding 5 is fixed to the rear side of the sliding block 8, the inclined hole 9 is arranged on the upper surface of the sliding block 8, the inclined guide post is fixed on an upper die plate, the inclined guide post is in sliding fit with the inclined hole 9 to drive the sliding block 8 to do linear motion during die opening, the first linear die releasing of the circular groove 4 is achieved, the structure is simple, and the space is not occupied.
The lower surface of the sliding block pressing plate 10 is spaced from the upper surface of the base 7, two sides of the sliding block 8 are respectively in sliding fit between the sliding block pressing plate 10 and the base 7, and reliability is high.
The upper surface of the base 7 is provided with a stop dog 11, the stop dogs 11 are distributed along the width direction of the slide block 8, the stop dogs 11 are arranged between the two slide block pressing plates 10, the stop dogs 11 are positioned on the front side surfaces of the slide block pressing plates 10, and the slide block 8 is limited.
The second circular arc core pulling mechanism comprises a rotating shaft 14, an oil cylinder 15, a planetary gear 16 and a planetary wheel guide rail plate 18, wherein the rotating shaft 14, the oil cylinder 15, the planetary gear 16 and the planetary wheel guide rail plate 18 are all arranged on a lower template 17, the rear end of a base 7 rotates around the rotating shaft 14, the planetary gear 16 is positioned between the planetary wheel guide rail plate 18 and the front end of the base 7, a sun gear 19 is arranged on the front side of the base 7, a gear ring 20 is arranged on one side of the planetary wheel guide rail plate 18 close to the planetary gear 16, the planetary gear 16 is respectively meshed with the sun gear 19 and the gear ring 20, a piston rod of the oil cylinder 15 is connected with the planetary gear 16, the planetary gear 16 rotates around the rotating shaft 14 when the planetary gear 16 drives the base 7 to move around the rotating shaft 14, and the planetary gear 16 rotates, and the planetary gear 16 realizes large-angle circular arc core pulling by utilizing the planetary gear 16, the planetary core pulling mechanism comprises a base 7, a planetary gear 16 and a planetary gear guide rail plate 18, wherein the rotating shaft 14 is fixed, the base 7 does circular motion around the rotating shaft 14 and serves as a sun gear, the planetary gear guide rail plate 18 is fixed, the planetary gear 16 rotates around the rotating shaft 14 and self-transmits around the center of the planetary gear 16, the oil cylinder 15 is used for driving the planetary gear 16 to be respectively meshed with the sun gear 19 and a gear ring 20, the base 7 rotates, the second core insert 6 achieves circular arc core pulling, the product 1 is not easily scratched, the planetary gear 16 does circular arc curve track motion around the sun gear and does circular rotation motion at the same time along the circular arc demolding core pulling track of the product 1. The oil cylinder driving stroke of the large-angle arc demoulding mechanism is shortened, the stress in the structure movement process is balanced, and the stability and reliability of the structure movement are ensured.
The planet wheel guide rail plate 18 comprises a first guide seat 24 and a second guide seat 25, the first guide seat 24 and the second guide seat 25 are arranged on a lower die plate 17, the second guide seat 25 is arranged on the first guide seat 24, the first guide seat 24 and the second guide seat 25 form an Contraband-shaped structure with an opening facing to the planet gear 16, the upper surface of the first guide seat 24 is provided with a first arc-shaped groove 26, the upper surface of the second guide seat 25 is provided with a second arc-shaped groove 27, the gear ring 20 is arranged on the inner side surface of the Contraband-shaped structure, the piston rod of the oil cylinder 15 is provided with a fixed seat 28, the side surface of the fixed seat 28 is provided with an open groove 29, the fixed seat 25 is provided with a rotary rod 30, the rotary rod 30 penetrates through the open groove 29 from top to bottom, the planet gear 16 is positioned in the open groove 29, and the planet gear 16 is in running fit with the rotary rod 30, the parts of the rotating rod 30 extending out of the open grooves 29 are provided with guide blocks 31, the guide blocks 31 are respectively in sliding fit with the first arc-shaped grooves 26 and the second arc-shaped grooves 27, the structure is simple, the planetary gear 16 can rotate around the rotating rod 30, and the planetary gear 16 can also perform circular motion around the rotating shaft 14.
Specifically, the principle of the invention is to provide a first linear core-pulling mechanism and a second circular arc core-pulling mechanism, the first linear core-pulling mechanism is used for driving a first insert core to pull out the core, and then the second circular arc core-pulling mechanism is used for driving a second insert core and the first insert core to perform circular arc core-pulling together, so that the product 1 is not easily damaged by pulling, the reliability is high, circular arc demoulding is accelerated, the movement distance is shortened, the mechanism space is small, and the movement is stable and reliable.
The planetary gear 16 moves along the arc demoulding and core pulling track of the product 1 and does an arc curve track around the sun gear and simultaneously does a rotary circular motion. The oil cylinder driving stroke of the large-angle arc demolding mechanism is shortened, the stress in the structure movement process is balanced, and the stable and reliable structure movement and the movement principle are ensured: the oil cylinder 15 is used as a driving force to drive the planet gear 16 to move along the track between the sun gear 19 and the gear ring 20, when the planet gear 16 moves along the track between the sun gear 19 and the gear ring 20, the planet gear 15 is forced to move in a circular motion edge with equal tooth number of 360 degrees according to the transmission ratio of 1:1 tooth number because of the constraint of the movable planet gear guide rail plate 18, meanwhile, the planet gear 16 is also constrained by the sun gear, but the sun gear does not have any other stress divisor, and the sun gear has to be forced to move in a circular arc along with the planet gear according to the tooth number of 1:1 under the stress of the planet gear 16.
The action process is as follows: firstly, opening the mold, wherein an inclined guide post of an upper mold plate is in sliding fit with an inclined hole 9 to drive a slide block 8 to move between slide block pressing plates 10 until the slide block 8 touches a baffle 11, and at the moment, the first insert 5 realizes core pulling; secondly, the oil cylinder 15 is started, the oil cylinder 15 drives the planetary gear 16 to be respectively meshed with the sun gear 19 and the gear ring 20, the planetary gear 16 is driven to move along the track between the sun gear 19 and the gear ring 20, when the planetary gear 16 moves along the track between the sun gear 19 and the gear ring 20, the planetary gear 15 is forced to move circumferentially at an equal tooth number by 360 degrees according to a tooth number transmission ratio of 1:1 under the constraint of the sun gear due to the constraint of the movable planetary gear guide rail plate 18, meanwhile, the planetary gear 16 is also constrained by the sun gear, but the sun gear has no other stress divisor, and the sun gear is forced to move circularly according to the tooth number of 1:1 and the planetary gear under the stress of the planetary gear 16, so that the complete core pulling of the first insert 5 and the second insert 6 is realized.
The foregoing has described preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and various changes made within the scope of the independent claims of the present invention are within the scope of the present invention.
Claims (5)
1. The utility model provides a car return bend mechanism of loosing core, includes product (1) and lower bolster (17), product (1) be located lower bolster (17), product (1) in be equipped with arc wall (2), product (1) front end be equipped with annular arch (3), annular arch (3) in establish circular recess (4), diameter and circular recess (4) and arc wall (2) the intercommunication of arc wall (2) of circular recess (4), circular recess (4) in be equipped with the first core (5) of inlaying that is used for shaping circular recess (4) inner wall, arc wall (2) in be equipped with the second that is used for shaping arc wall (2) inner wall and inlay core (6), its characterized in that: the novel core pulling mechanism is characterized by further comprising a first linear core pulling mechanism for pulling the core of the circular groove (4) and a second circular arc core pulling mechanism for pulling the core of the circular groove (2), wherein the first core (5) and the second core (6) are connected together, the second circular arc core pulling mechanism is positioned on the lower template (17), the first linear core pulling mechanism is positioned on the second circular arc core pulling mechanism, the second circular arc core pulling mechanism synchronously pulls the core after the first linear core pulling mechanism completely pulls the core, the first linear core pulling mechanism comprises a base (7), a sliding block (8), an inclined hole (9) and a sliding block pressing plate (10), the inclined hole (9) and the sliding block pressing plate (10) are in sliding fit with the inclined guide post, the base (7) is arranged on the lower template (17), and the sliding block (8), the inclined hole (9) and the sliding block pressing plate (10) are all arranged on the base (7), the sliding block (8) is in sliding fit between sliding block pressing plates (10), one end, far away from a product (1), of a first embedded core (5) is fixed to the rear side of the sliding block (8), an inclined hole (9) is formed in the upper surface of the sliding block (8), the second arc core pulling mechanism comprises a rotating shaft (14), an oil cylinder (15), a planetary gear (16) and a planetary wheel guide rail plate (18), the rotating shaft (14), the oil cylinder (15), the planetary gear (16) and the planetary wheel guide rail plate (18) are all arranged on a lower die plate (17), the rear end of a base (7) rotates around the rotating shaft (14), the planetary gear (16) is located between the planetary wheel guide rail plate (18) and the front end of the base (7), a sun wheel (19) is arranged on the front side of the base (7), and a gear ring (20) is arranged on one side, close to the planetary gear (16), of the planetary wheel guide rail plate (18), the planet gear (16) is respectively meshed with the sun gear (19) and the gear ring (20), a piston rod of the oil cylinder (15) is connected with the planet gear (16), the planet gear (16) rotates around the rotating shaft (14) and simultaneously rotates around the rotating shaft (14) when the planet gear (16) drives the base (7) to move around the rotating shaft (14), the planet gear guide rail plate (18) comprises a first guide seat (24) and a second guide seat (25), the first guide seat (24) and the second guide seat (25) are both arranged on the lower template (17), the second guide seat (25) is arranged on the first guide seat (24), the first guide seat (24) and the second guide seat (25) form an Contraband-shaped structure with an opening facing the planet gear (16), a first arc-shaped groove (26) is formed in the upper surface of the first guide seat (24), second guide holder (25) upper surface be equipped with second arc wall (27), ring gear (20) establish "Contraband" style of calligraphy structure medial surface, the piston rod of hydro-cylinder (15) on be equipped with fixing base (28), fixing base (28) side be equipped with open slot (29), fixing base (28) on be equipped with rotary rod (30), rotary rod (30) run through open slot (29) from top to bottom, planetary gear (16) be located open slot (29) and planetary gear (16) normal running fit on rotary rod (30), rotary rod (30) the part that stretches out open slot (29) all be equipped with guide block (31), guide block (31) sliding fit respectively in first arc wall (26) and second arc wall (27).
2. The automobile elbow core-pulling mechanism according to claim 1, characterized in that: the lower surface of the sliding block pressing plate (10) is spaced from the upper surface of the base (7), and two sides of the sliding block (8) are respectively in sliding fit between the sliding block pressing plate (10) and the base (7).
3. The automobile elbow core-pulling mechanism according to claim 1, characterized in that: the upper surface of the base (7) is provided with a stop block (11), the stop blocks (11) are distributed along the width direction of the sliding block (8), the stop blocks (11) are arranged between the two sliding block pressing plates (10), and the stop blocks (11) are positioned on the front side surfaces of the sliding block pressing plates (10).
4. The automobile elbow core-pulling mechanism according to claim 1, characterized in that: lower bolster (17) upper surface still be equipped with first arc (21) and second arc (22), first arc (21) and second arc (22) concentric, second arc (22) be located first arc (21) the place ahead, the centre of a circle of first arc (21) be located the axis of rotation axis (14), base (7) lower surface be equipped with guide holder (23), guide holder (23) sliding fit between first arc (21) and second arc (22) and base (7) rotate at guide holder (23) upper surface.
5. The automobile elbow core-pulling mechanism according to claim 1, characterized in that: the lower template (17) is also provided with a first travel limit switch (12) and a second travel limit switch (13), and the first travel limit switch (12) and the second travel limit switch (13) are respectively positioned at the left side and the right side of the base (7).
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CN201910748354.7A CN110435095B (en) | 2019-08-14 | 2019-08-14 | Automobile elbow pipe core-pulling mechanism |
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CN201910748354.7A CN110435095B (en) | 2019-08-14 | 2019-08-14 | Automobile elbow pipe core-pulling mechanism |
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CN110435095A CN110435095A (en) | 2019-11-12 |
CN110435095B true CN110435095B (en) | 2021-09-28 |
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CN113650242B (en) * | 2021-08-10 | 2023-05-26 | 宁波均胜群英汽车***股份有限公司 | Demolding structure for bent pipe |
CN114407244A (en) * | 2022-01-12 | 2022-04-29 | 厦门建霖健康家居股份有限公司 | Mold capable of achieving segmented core pulling and segmented core pulling method |
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CN107351294A (en) * | 2017-08-18 | 2017-11-17 | 宁波方正汽车模具有限公司 | Circular arc product stripping device |
CN206926206U (en) * | 2017-06-16 | 2018-01-26 | 厦门协晟源模具有限公司 | Injection mold arcuate socket pulled core structure |
CN207607065U (en) * | 2017-11-29 | 2018-07-13 | 厦门唯科健康产业有限公司 | A kind of oil cylinder pumping slide block mechanism of achievable twice core pulling |
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2019
- 2019-08-14 CN CN201910748354.7A patent/CN110435095B/en active Active
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CN102672908A (en) * | 2012-04-25 | 2012-09-19 | 扬州盛世模塑科技有限公司 | Core pulling structure for injection-molded arc product |
CN204974740U (en) * | 2015-08-28 | 2016-01-20 | 中冶南方工程技术有限公司 | Pusher |
CN206926206U (en) * | 2017-06-16 | 2018-01-26 | 厦门协晟源模具有限公司 | Injection mold arcuate socket pulled core structure |
CN107351294A (en) * | 2017-08-18 | 2017-11-17 | 宁波方正汽车模具有限公司 | Circular arc product stripping device |
CN207607065U (en) * | 2017-11-29 | 2018-07-13 | 厦门唯科健康产业有限公司 | A kind of oil cylinder pumping slide block mechanism of achievable twice core pulling |
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