CN111231235A - Oil cylinder anti-retreating mechanism of door handle injection mold - Google Patents
Oil cylinder anti-retreating mechanism of door handle injection mold Download PDFInfo
- Publication number
- CN111231235A CN111231235A CN202010090525.4A CN202010090525A CN111231235A CN 111231235 A CN111231235 A CN 111231235A CN 202010090525 A CN202010090525 A CN 202010090525A CN 111231235 A CN111231235 A CN 111231235A
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- China
- Prior art keywords
- block
- shovel
- shovel machine
- oil cylinder
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B29C45/332—Mountings or guides therefor; Drives therefor
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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
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3029—Handgrips
Abstract
The invention discloses an oil cylinder anti-receding mechanism of a door handle injection mold, which comprises a template and a slide block insert used for forming an inverted buckle in a product, the lower surface of the template is provided with a mold core for molding the upper surface of a product, and the template also comprises an oil cylinder, a shovel machine and a locking block, the upper surface of the template is provided with a groove, the oil cylinder is fixed on the side surface of the template, the shovel machine is positioned in the groove, a piston rod of the oil cylinder extends into the groove to be connected with the shovel machine, one end of the shovel machine close to the product is connected with the slide block insert, the slide block insert is movably matched in the mold core, the shovel is in sliding fit in the groove, the locking block is positioned in the groove, the locking block is clamped on the shovel machine during die assembly, and the locking block is separated from the shovel machine during die opening.
Description
Technical Field
The invention relates to the field of injection molds, in particular to an oil cylinder anti-back mechanism of a door handle injection mold.
Background
The door handle is one of the important spare parts of car, and the door handle passes through the gaseous auxiliary forming of injection mold, and the door handle back-off is loosed core and is needed to utilize the hydro-cylinder to drive the slider and loose core, and owing to the pressure of moulding plastics, the hydro-cylinder can be moved back at the in-process of moulding plastics, and the door handle is inside to be hollow structure, and pressurize stage product inner wall atmospheric pressure is big, and ordinary hydro-cylinder structure can lead to the slider to move back, and the product receives atmospheric pressure to burst, generally can design the hydro-cylinder and prevent moving back the mechanism, according to prior.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcome above prior art's defect, provide a simple structure and door handle injection mold's that reliability is high hydro-cylinder and prevent moving back mechanism.
The technical scheme adopted by the invention is as follows: the utility model provides a door handle injection mold's hydro-cylinder anti-backing mechanism, includes the template and is arranged in the slider mold insert of shaping product back-off, the template lower surface be equipped with the mold core that is arranged in the shaping product upper surface, it still includes hydro-cylinder, shovel machine and latch segment, the template upper surface be equipped with the recess, the hydro-cylinder fix in the template side, the shovel machine be located the recess, the piston rod of hydro-cylinder stretch into in the recess and be connected with the shovel machine, the nearly product one end of shovel machine be connected with the slider mold insert, slider mold insert clearance fit in the mold core, shovel machine sliding fit in the recess, the latch segment be located the recess, the latch segment block on the shovel machine when the compound die, the latch segment break away from the shovel machine when the die sinking.
After adopting the structure, compared with the prior art, the invention has the following advantages: establish hydro-cylinder, shovel machine and latch segment, the shovel machine is connected with the slider mold insert, utilizes the piston rod of hydro-cylinder to drive the shovel machine motion, and the shovel machine drives the slider mold insert and breaks away from the mold core and just can realize the back-off and loose core, and it is spacing to utilize the latch segment to carry out machinery to the shovel machine, prevents that the hydro-cylinder from returning, simple structure, and the reliability is high.
Preferably, the shovel loader further comprises a poking block, the poking block is located between the oil cylinder and the shovel, a piston rod of the oil cylinder is connected with one end of the poking block, the other end of the poking block is connected with the shovel, the poking block is used for driving the shovel to move, and the shovel loader is high in reliability.
Preferably, the shovel is characterized by further comprising a limiting screw and a compression spring, wherein a sliding groove is formed in the bottom of the groove, the diameter of the upper end of the limiting screw is larger than that of the lower end of the limiting screw, the lower end of the limiting screw is fixed to the bottom of the sliding groove, the locking block can be in up-and-down sliding fit in the sliding groove, a first channel and a second channel are sequentially arranged on the locking block from top to bottom, the first channel and the second channel are communicated with each other, the diameter of the first channel is larger than that of the second channel, the lower end of the limiting screw is in sliding fit in the second channel, the upper end of the limiting screw is in sliding fit in the first channel, the locking block is clamped between the poking block and the shovel when the upper end of the limiting screw abuts against the end face of the first channel, the compression spring is sleeved on the limiting screw, and the compression spring is located between the bottom, utilize spacing screw to carry on spacingly to the latch segment, utilize compression spring to pop out the latch segment and carry on spacingly to the shovel machine, increase a latch segment, reduce a motion degree of freedom (the shovel machine is because of receiving injection pressure to retreat), realized that the product is glued the position difference and is pleasing to the eye, the size is stable.
Preferably, the height of the lower surface of the poking block is larger than that of one end, close to the poking block, of the lower surface of the shovel, the locking block abuts against the lower surface of the poking block and the side face of one end, close to the poking block, of the shovel simultaneously when the die is closed, the structure is simple, the reliability is high, and the locking block is convenient to clamp on the poking block.
Preferably, the lower surface of the poking block is further provided with a first limiting block, the locking block is clamped between the first limiting block and the shovel machine, and the locking block is conveniently clamped between the first limiting block and the shovel machine.
Preferably, a supporting plate is further arranged in the groove, and the oil cylinder is fixed on the supporting plate, so that the oil cylinder is convenient to fix.
Preferably, the side face, close to the product, of the supporting plate is provided with a second limiting block for limiting the shovel machine, and the shovel machine is limited.
Preferably, the top of the groove is provided with a cover plate, so that the shovel machine is convenient to mount and dismount.
Drawings
FIG. 1 is a perspective view of the door handle injection mold with the cylinder anti-backup mechanism removed from the mold plate in accordance with the present invention;
FIG. 2 is an enlarged schematic view of A of FIG. 1;
FIG. 3 is a perspective view of the cylinder anti-backup mechanism of the door handle injection mold of the present invention.
The device comprises a template 1, a template 2, a product 3, a slide block insert 4, a mold core 5, an oil cylinder 6, a shovel machine 7, a locking block 8, a groove 9, a poking block 10, a limiting screw 11, a compression spring 12, a sliding groove 13, a first channel 14, a second channel 15, a first limiting block 16, a supporting plate 17, a second limiting block 18 and a cover plate.
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 oil cylinder anti-retreating mechanism of a door handle injection mold, which comprises a template 1 and a slide block insert 3 for forming an inverted buckle in a product 2, wherein a mold core 4 for forming the upper surface of the product 2 is arranged on the lower surface of the template 1, the oil cylinder 5, a shoveling machine 6 and a locking block 7 are further comprised, the upper surface of the template 1 is provided with a groove 8, the oil cylinder 5 is fixed on the side surface of the template 1, the shoveling machine 6 is positioned in the groove 8, a piston rod of the oil cylinder 5 extends into the groove 5 to be connected with the shoveling machine 6, one end of the shoveling machine 6 close to the product 2 is connected with the slide block insert 3, the slide block insert 3 is movably matched in the mold core 4, the shoveling machine 6 is in sliding fit in the groove 8, the locking block 7 is positioned in the groove 8, the locking block 7 is clamped on the shoveling machine 6 during mold closing, and the locking block 7 is, the hydraulic shovel loader has the advantages that the oil cylinder 5, the shovel machine 6 and the locking block 7 are arranged, the shovel machine 6 is connected with the slide block insert 3, the shovel machine 6 is driven to move by the piston rod of the oil cylinder 5, the shovel machine 6 drives the slide block insert 3 to be separated from the mold core, back-off core pulling can be achieved, the shovel machine 6 is mechanically limited by the locking block 7, the oil cylinder is prevented from returning, the structure is simple, and the reliability is high.
The shovel loader further comprises a poking block 9, the poking block 9 is located between the oil cylinder 5 and the shovel loader 6, a piston rod of the oil cylinder 5 is connected with one end of the poking block 9, the other end of the poking block 9 is connected with the shovel loader 6, the shovel loader 6 is driven to move by the poking block 9, and reliability is high.
The shovel is characterized by further comprising a limiting screw 10 and a compression spring 11, a sliding groove 12 is formed in the bottom of the groove 8, the diameter of the upper end of the limiting screw 10 is larger than that of the lower end of the limiting screw 10, the lower end of the limiting screw 10 is fixed to the bottom of the sliding groove 12, the locking block 7 can be in up-and-down sliding fit in the sliding groove 12, a first channel 13 and a second channel 14 are sequentially arranged on the locking block 7 from top to bottom, the first channel 13 is communicated with the second channel 14, the diameter of the first channel 13 is larger than that of the second channel 14, the lower end of the limiting screw 10 is in sliding fit in the second channel 14, the upper end of the limiting screw 10 is in sliding fit in the first channel 13, the locking block 7 is clamped between the stirring block 9 and the shovel 6 when the upper end of the limiting screw 10 abuts against the end face of the first channel 13, the compression spring 11 is sleeved on the limiting screw 10, and the compression spring 11 is located between the bottom surface of the locking block 7 and the, utilize spacing screw 10 to carry on spacingly to latch segment 7, utilize compression spring 11 to pop out latch segment 7 and carry on spacingly to shovel machine 6, increase a latch segment 7, reduce a motion degree of freedom (shovel machine 6 is because of receiving injection pressure to retreat), realized that the product glues the poor pleasing to the eye of position section, stable in size.
The lower surface of the poking block 9 is higher than the height of the lower surface of the shovel machine 6 close to one end of the poking block 9, the locking block 7 abuts against the lower surface of the poking block 9 and the side surface of the shovel machine 6 close to one end of the poking block 9 during die assembly, the structure is simple, the reliability is high, and the locking block 7 convenient to clamp on the poking block 9 is achieved.
The lower surface of the toggle block 9 is further provided with a first limiting block 15, the locking block 7 is clamped between the first limiting block 15 and the shovel machine 6, and the locking block 7 is conveniently clamped between the first limiting block 15 and the shovel machine 6.
The groove 8 is also internally provided with a supporting plate 16, and the oil cylinder 5 is fixed on the supporting plate 16, so that the oil cylinder 5 is convenient to fix.
The side of the supporting plate 16 close to the product 2 is provided with a second limiting block 17 for limiting the shovel machine 6, so that the shovel machine 6 is limited.
The top of the groove 8 is provided with a cover plate 18, so that the shovel machine 6 is convenient to mount and dismount.
Specifically, the shovel machine 6 is connected with the slide block insert 3, the shovel machine 6 is driven to move by a piston rod of the oil cylinder 5, the shovel machine 6 drives the slide block insert 3 to be separated from a mold core to realize back-off and core pulling, the shovel machine 6 is mechanically limited by the lock block 7 to prevent the oil cylinder from returning, the structure is simple, the reliability is high, the shovel machine 6 is connected with the poking block 9 in a T-shaped groove and T-shaped protrusions in a matched mode, and the poking block 9 and the shovel machine 6 are in slope transition.
The action process is as follows: firstly, when the mold is opened, the oil cylinder 5 is driven, a piston rod of the oil cylinder 5 drives the poking block 6, the poking block 6 drives the shovel machine 6 to move, the shovel machine 6 drives the slide block insert 3 to loose core, at the moment, the slope between the poking block 9 and the shovel machine 6 extrudes the locking block 7, the locking block 7 is in downward sliding fit in the sliding groove 12, the shovel machine 6 compresses the locking block 7 in the sliding groove 12, at the moment, the compression spring 11 is compressed, and the limiting screw 10 is reset; when the die is closed, the oil cylinder 5 is driven, a piston rod of the oil cylinder 5 drives the shifting block 6, the shifting block 6 drives the shovel machine 6 to move, the shovel machine 6 drives the slide block insert 3 to reset, the locking block 7 is separated from the constraint of the shovel machine 6, the compression spring 11 enables the locking block 7 to bounce upwards, the locking block 7 is in upward sliding fit in the sliding groove 12, and meanwhile, the lower end of the limiting screw 10 is in sliding fit in the second channel 14; after the mold closing is completed, the upper end of the locking block 7 is clamped between the first limiting block 15 and the shovel machine 6, the lower end of the limiting screw 10 is abutted against the end face of the second channel 14, the shovel machine 6 is locked, and the oil cylinder 5 cannot return in the injection molding process.
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 (8)
1. The utility model provides a door handle injection mold's hydro-cylinder is prevented moving back mechanism, includes template (1) and slider mold insert (3) that are arranged in shaping product (2) back-off, template (1) lower surface be equipped with mold core (4) that are arranged in shaping product (2) upper surface, its characterized in that: the mould is characterized by further comprising an oil cylinder (5), a shovel machine (6) and a locking block (7), wherein a groove (8) is formed in the upper surface of the template (1), the oil cylinder (5) is fixed to the side surface of the template (1), the shovel machine (6) is located in the groove (8), a piston rod of the oil cylinder (5) extends into the groove (5) to be connected with the shovel machine (6), one end, close to a product (2), of the shovel machine (6) is connected with the sliding block insert (3), the sliding block insert (3) is movably matched in the mould core (4), the shovel machine (6) is in sliding fit in the groove (8), the locking block (7) is located in the groove (8), the locking block (7) is clamped on the shovel machine (6) during mould closing, and the locking block (7) is separated from the shovel machine (6) during mould opening.
2. The door handle injection mold cylinder retreat preventing mechanism according to claim 1, wherein: the shovel loader is characterized by further comprising a poking block (9), wherein the poking block (9) is located between the oil cylinder (5) and the shovel loader (6), a piston rod of the oil cylinder (5) is connected with one end of the poking block (9), and the other end of the poking block (9) is connected with the shovel loader (6).
3. The door handle injection mold cylinder retreat preventing mechanism according to claim 2, wherein: it still includes stop screw (10) and compression spring (11), recess (8) bottom be equipped with spout (12), stop screw (10) upper end diameter be greater than stop screw (10) lower extreme diameter, stop screw (10) lower extreme fix in spout (12) bottom, latch segment (7) about sliding fit in spout (12), latch segment (7) from the top down be equipped with first passageway (13) and second passageway (14) in proper order, first passageway (13) and second passageway (14) between communicate each other, first passageway (13) diameter be greater than second passageway (14) diameter, stop screw (10) lower extreme sliding fit in second passageway (14), stop screw (10) upper end sliding fit in first passageway (13), latch segment (7) block when stop screw (10) upper end supports and leans on first passageway (13) terminal surface and block (9) and shovel shifting block (13) and block (7) card when leaning on first passageway (13) terminal surface Between the machine (6), compression spring (11) cover on spacing screw (10) and compression spring (11) are located between latch segment (7) bottom surface and spout (12) bottom.
4. The door handle injection mold cylinder retreat preventing mechanism according to claim 3, wherein: the lower surface of the poking block (9) is higher than the height of one end, close to the poking block (9), of the lower surface of the shovel machine (6), and the locking block (7) abuts against the lower surface of the poking block (9) and the side face of one end, close to the poking block (9), of the shovel machine (6) when the die is closed.
5. The door handle injection mold cylinder retreat preventing mechanism according to claim 4, wherein: the lower surface of the toggle block (9) is also provided with a first limiting block (15), and the locking block (7) is clamped between the first limiting block (15) and the shovel machine (6).
6. The door handle injection mold cylinder retreat preventing mechanism according to claim 1, wherein: the groove (8) is also internally provided with a supporting plate (16), and the oil cylinder (5) is fixed on the supporting plate (16).
7. The door handle injection mold cylinder retreat preventing mechanism according to claim 6, wherein: the side surface of the supporting plate (16) close to the product (2) is provided with a second limiting block (17) for limiting the shovel machine (6).
8. The door handle injection mold cylinder retreat preventing mechanism according to claim 1, wherein: the top of the groove (8) is provided with a cover plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010090525.4A CN111231235A (en) | 2020-02-13 | 2020-02-13 | Oil cylinder anti-retreating mechanism of door handle injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010090525.4A CN111231235A (en) | 2020-02-13 | 2020-02-13 | Oil cylinder anti-retreating mechanism of door handle injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111231235A true CN111231235A (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010090525.4A Pending CN111231235A (en) | 2020-02-13 | 2020-02-13 | Oil cylinder anti-retreating mechanism of door handle injection mold |
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| CN (1) | CN111231235A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615793A (en) * | 2012-04-20 | 2012-08-01 | 宁波长华汽车装饰件有限公司 | Core-pulling structure for front mold sliding block of injection mold with self-locking mechanism |
| CN203092962U (en) * | 2013-03-25 | 2013-07-31 | 宁海县现代模具有限公司 | Self-locking structure of plastic mould oil cylinder sliding block |
| CN207140256U (en) * | 2017-09-04 | 2018-03-27 | 遵义群建塑胶制品有限公司 | A kind of refrigerator drawer die cylinder core pulling locking mechanism |
| CN208197490U (en) * | 2018-05-23 | 2018-12-07 | 百汇精密塑胶模具（深圳）有限公司 | A kind of injection mold for preventing oil cylinder driving line position from retreating |
| CN208992997U (en) * | 2018-08-23 | 2019-06-18 | 浙江三雷模塑有限公司 | Loose core of oil cylinder of injection mold mechanism with self-locking structure |
| CN110757742A (en) * | 2019-11-04 | 2020-02-07 | 广东博智林机器人有限公司 | Moving die driving device |
-
2020
- 2020-02-13 CN CN202010090525.4A patent/CN111231235A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615793A (en) * | 2012-04-20 | 2012-08-01 | 宁波长华汽车装饰件有限公司 | Core-pulling structure for front mold sliding block of injection mold with self-locking mechanism |
| CN203092962U (en) * | 2013-03-25 | 2013-07-31 | 宁海县现代模具有限公司 | Self-locking structure of plastic mould oil cylinder sliding block |
| CN207140256U (en) * | 2017-09-04 | 2018-03-27 | 遵义群建塑胶制品有限公司 | A kind of refrigerator drawer die cylinder core pulling locking mechanism |
| CN208197490U (en) * | 2018-05-23 | 2018-12-07 | 百汇精密塑胶模具（深圳）有限公司 | A kind of injection mold for preventing oil cylinder driving line position from retreating |
| CN208992997U (en) * | 2018-08-23 | 2019-06-18 | 浙江三雷模塑有限公司 | Loose core of oil cylinder of injection mold mechanism with self-locking structure |
| CN110757742A (en) * | 2019-11-04 | 2020-02-07 | 广东博智林机器人有限公司 | Moving die driving device |
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Application publication date: 20200605 |
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