CN116100768B - Mould structure of window frame plastic products behind car - Google Patents
Mould structure of window frame plastic products behind car Download PDFInfo
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- CN116100768B CN116100768B CN202310029155.7A CN202310029155A CN116100768B CN 116100768 B CN116100768 B CN 116100768B CN 202310029155 A CN202310029155 A CN 202310029155A CN 116100768 B CN116100768 B CN 116100768B
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- pull rod
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- slide block
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- 230000007246 mechanism Effects 0.000 claims abstract description 97
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000003292 glue Substances 0.000 description 5
- 241000282376 Panthera tigris Species 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
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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
-
- 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
- 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
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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 relates to the technical field of moulds, in particular to a mould structure of a plastic product of a rear window frame of an automobile, which comprises a mould frame, a mould core and a mould cavity which are arranged on the mould frame and are buckled together in a mould closing manner, a fixed-distance parting pull rod mechanism and a guiding and positioning mechanism which are arranged on the mould frame; the mold core is provided with a front mold inclined ejection mechanism and a rear mold large slide block mechanism in an assembling mode, the guiding and positioning mechanism is used for guiding the front mold inclined ejection mechanism to be separated from and reset with the rear mold large slide block mechanism, and the fixed-distance parting pull rod mechanism is used for enabling the front mold inclined ejection mechanism to synchronously move towards the rear mold large slide block mechanism along with a rear window frame plastic product during mold opening, and completing demolding movement of back-off of the rear window frame plastic product. The application ensures the safety and stability of the large inclined top of the cavity and the large slide block of the core during molding and good positioning and sealing effect by the combined action of the fixed-distance parting pull rod and the guiding and positioning structure, ensures the quality of products and can meet the requirement of mass production.
Description
Technical Field
The application relates to the technical field of dies, in particular to a die structure of a plastic product of a rear window frame of an automobile.
Background
With the rapid development of the automobile industry, a plurality of large-scale complex-structure automobile injection molds are more and more, and in the mold design of the products, the structures that a front mold large inclined top and a rear mold large sliding block need to be contacted with each other to seal glue are sometimes encountered.
The mold with the special structure can bear huge injection molding pressure during molding because the inclined top and the sliding block are always direct large-area sealing glue. In the past design, often can lead to front mould pitched roof and back mould slider to be unable accurate positioning when the touch that resets because the designer is cared about some details in the structure and handles or consider inadequately to appear serious overlap and clamp mouth in the line position that closes, still can lead to pitched roof and slider to hit when closing the mould when serious, bring very big risk and trouble for manufacturing.
Disclosure of Invention
The application provides a die structure of a plastic product of a rear window frame of an automobile, which can ensure that a front die obliquely pushes up and a rear die slide block are stable and reliable in operation and can be precisely matched in resetting, thereby ensuring the use safety of the die and attractive and beautiful positions of glue-closing lines of formed products.
The following technical scheme is adopted:
a mould structure of a plastic product of a rear window frame of an automobile comprises a mould frame, a mould core and a mould cavity which are arranged on the mould frame and are buckled together in a mould closing way, a fixed-distance parting pull rod mechanism and a guiding and positioning mechanism which are arranged on the mould frame;
The mold core is provided with a front mold inclined ejection mechanism and a rear mold large slide block mechanism in an assembling mode, the guiding and positioning mechanism is used for guiding the front mold inclined ejection mechanism to be separated from and reset with the rear mold large slide block mechanism, and the fixed-distance parting pull rod mechanism is used for enabling the front mold inclined ejection mechanism to synchronously move towards the rear mold large slide block mechanism along with a rear window frame plastic product during mold opening, and completing demolding movement of back-off of the rear window frame plastic product.
By adopting the technical scheme, the structure of the fixed-distance parting pull rod mechanism and the structure of the guiding and positioning mechanism when the front die obliquely pushes up and collides with the rear die sliding block are respectively arranged, so that the design structure is simple.
Optionally, the guiding and positioning mechanism comprises a front mold ejector plate fixedly connected to the upper panel of the mold frame;
The front die inclined ejection mechanism comprises an inclined ejection head which is obliquely and slidingly embedded in the cavity and is close to one end face of the core, an inclined ejection head mounting groove which is formed in the cavity and is used for sliding and inserting the inclined ejection head, an inclined ejection rod with one end fixedly connected with the inclined ejection head, an inclined guide block fixed on the side part of the inclined ejection head, a horizontal guide block fixed on the inclined ejection head and connected with an inclined guide block, and an inclined ejection seat fixedly arranged at the other end of the inclined ejection rod;
The inclined ejection seat is slidably mounted on the front die ejection plate.
Optionally, the big slider mechanism of rear mould is including setting up the slider in the top mounting groove lateral wall to one side, slide and connect on the core and lie in the oblique footstock in the slider outside, one end is connected the slider and the oblique top of the other end sliding connection oblique footstock, fix the hydro-cylinder on the core and fixed connection oblique footstock and the reference column of hydro-cylinder.
By adopting the technical scheme, the guiding and positioning mechanism is used for guiding the sliding disengagement or resetting of the front die inclined ejection mechanism and the rear die large slide block mechanism.
Optionally, two special inserts are arranged on the core, and the two special inserts are inlaid between the sliding block and the inclined top.
By adopting the technical scheme, the two special inserts arranged on the core are used for ensuring smooth sliding disengagement and accurate resetting of the inclined plug and the sliding block.
Optionally, the two special inserts are cylindrical in shape, and the cylindrical end is provided with a guiding slope and a rounding angle.
By adopting the technical scheme, the cylindrical end part of the special insert is provided with the guiding inclination and the rounding angle, so that the smoothness and smoothness of the inclined plug and the sliding block during relative sliding are ensured.
Optionally, the fixed-distance parting pull rod mechanism comprises a main pull rod, a base, a rotating shaft, an inclined wedge block and an auxiliary locking block;
The base fixed connection is in the outside of core, main pull rod lower extreme rotates through the pivot and connects the base, main pull rod upper end is through the top panel of supplementary latch segment fixed connection die carrier, the spring is located the both sides of main pull rod respectively with the core, the wedge sets up at main pull rod middle part and fixed die cavity.
By adopting the technical scheme, the fixed-distance parting pull rod mechanism ensures that the front die obliquely pushes against synchronously moving towards the rear die along with the product when the die is opened, and simultaneously completes the demoulding motion of reversely buckling the product, thereby ensuring the stable and accurate resetting of the motion of the obliquely pushing against and the sliding block during demoulding and resetting.
Optionally, two fixed-distance parting pull rod mechanisms are arranged on the die carrier, and the two fixed-distance parting pull rod mechanisms are respectively positioned at two diagonal corners of the die carrier.
By adopting the technical scheme, the fixed-distance parting pull rod mechanism is provided with the pair of the fixed-distance parting pull rod mechanisms at the opposite oblique angle positions of the die carrier, so that the front die obliquely pushes up and the product is stably released after the front die is opened.
Optionally, the distance parting pull rod mechanism further comprises a spring, a screw for fixing the core is arranged on the lower side portion of the main pull rod, and the spring is sleeved on the screw.
By adopting the technical scheme, the spring has elastic force, and can enable the main pull rod to be in compression connection with and be opened from the insert on the front die ejector plate.
Optionally, the fixed-distance parting pull rod mechanism further comprises an insert, and the insert is inlaid between the main pull rod and the front die ejector plate.
By adopting the technical scheme, the insert is used for filling the gap between the main pull rod and the front mold ejector plate, so that the front mold ejector plate is fastened in position.
Optionally, the distance parting pull rod mechanism further comprises a transverse pin, and the transverse pin is inserted into the upper portion of the main pull rod.
By adopting the technical scheme, when the die is opened, under the action of spring pressure, the main pull rod can not outwards rotate to run, and the insert and the large inclined roof on the ejector plate are driven to move together with the core. After the front die is opened for a certain distance until the front die inclined top is completely separated, the main pull rod is outwards rotated and opened under the action of the transverse pin, so that the cavity core is separated. And finishing the die opening action.
In summary, the present application includes at least one of the following beneficial technical effects:
The application provides a mould structure of a plastic product of a rear window frame of an automobile, wherein a fixed-distance parting pull rod mechanism on a mould frame ensures that a front mould obliquely pushes against to synchronously move towards a rear mould along with the product when the mould is opened, and simultaneously completes demoulding movement of a back-off relative to the product, ensures stable and accurate resetting of the motion of the obliquely pushing against and a sliding block during demoulding and resetting, and avoids the risks caused by instability and possible misoperation of a traditional oil cylinder; the guiding and positioning structure for the front mold inclined roof and the rear mold slide block during touching ensures that the inclined roof and the slide block can be smoothly separated and accurately reset by designing two special inserts on the mold core. Through the combined action of the fixed-distance parting pull rod and the guiding positioning structure, the safety and stability of the large inclined top of the cavity and the large sliding block of the core during molding are ensured, and the good positioning and glue sealing effect is achieved, so that the quality of products is ensured, and the requirement of batch production can be met.
Drawings
FIG. 1 is a view of an automotive rear window frame product of the present invention;
FIG. 2 is a mold structure of the present invention assembled with FIG. 1;
FIG. 3 is a mold structure of the present invention assembled with FIG. 2;
FIG. 4 is a cross-sectional view of the distance parting rod of the present invention in connection with a mold;
FIG. 5 is an assembly view of a front mold tilt head and a rear mold slide on a core in accordance with the present invention;
fig. 6 is a cross-sectional view of a front mold tilt head and a rear mold slide in a mold according to the present invention.
In the drawings of which there are shown,
1. A rear window frame product; 11. concave holes; 2. a core; 21. a rear mold large slide block mechanism; 22. special inserts, 211 and sliding blocks; 212. a pitched roof; 213. an inclined top seat; 214. positioning columns; 215. an oil cylinder; 3. a cavity; 31. a front mold oblique ejection mechanism; 311. an inclined top; 312. an oblique guide block; 313. a horizontal guide block; 314. an inclined ejector rod; 315. an inclined top seat; 4. a front mold ejector plate; 5. a fixed-distance parting pull rod mechanism; 51. a main pull rod; 52. a base; 53. a rotating shaft; 54. a spring; 55. wedge block; 56. a transverse pin; 57. an insert; 58. auxiliary locking blocks.
Detailed Description
The application is described in further detail below with reference to fig. 1-6.
The embodiment is a mold structure of a plastic product of a rear window frame of an automobile, and the mold structure is applied to manufacturing of a rear window frame product 1, as shown in fig. 1, the rear window frame product 1 has a complex structure, and concave holes 11 and doghouse oblique top structures are respectively arranged on two sides of the end part.
As shown in fig. 2, the mold structure of the plastic product of the rear window frame of the automobile comprises a mold frame, a mold core 2 and a mold cavity 3 which are arranged on the mold frame and are buckled together in a mold closing manner, a fixed-distance parting pull rod mechanism 5 and a guiding and positioning mechanism which are arranged on the mold frame;
As shown in fig. 5, the core 2 is assembled with a front mold inclined ejection mechanism 31 and a rear mold large slide block mechanism 21, the guiding and positioning mechanism is used for guiding the front mold inclined ejection mechanism 31 to be separated from and reset to the rear mold large slide block mechanism 21, and the fixed-distance parting pull rod mechanism 5 is used for synchronously moving the front mold inclined ejection mechanism 31 along with the rear window frame plastic product 1 to the rear mold large slide block mechanism 21 during mold opening, and completing the back-off demolding movement relative to the rear window frame plastic product 1.
In the embodiment, a combined design structure of a front die inclined ejection mechanism, a rear die large slide block mechanism and an inclined ejection walking in a slide block is adopted, and unlike a two-slide-block butt-joint structure for positioning a tiger mouth conventionally, the inclined ejection and the slide block are respectively attached to a front die and a rear die, the inclined ejection and the slide block are extremely irregular, and the tiger mouth interlocking accurate positioning cannot be carried out like the two conventional butt-joint slide blocks; the traditional design that adopts the hydro-cylinder to carry out drawing of patterns or compound die to reset, there is the risk that instability and misoperation brought, and the slider receives powerful injection molding pressure and retreats easily during the shaping, causes the slider to seal the glue position and produces deckle edge and phenomenon of gluing more, and this scheme is through setting up separately distance parting pull rod mechanism 5 and being the guide positioning mechanism two part structure when front mould oblique ejection collides with the back mould slider, design simple structure, operation is reliable and stable, can fully guarantee product quality.
Specifically, as shown in fig. 3, the guiding and positioning mechanism includes a front mold ejector plate 4 fixedly connected to the upper panel of the mold frame;
As shown in fig. 5 and 6, the front mold diagonal jack mechanism 31 includes a diagonal jack 311 which is obliquely and slidably inserted in the cavity 3 and is close to one end face of the core 2, a diagonal jack mounting groove which is formed in the cavity 3 and is used for slidably inserting the diagonal jack 311, a diagonal jack rod 314 with one end fixedly connected with the diagonal jack 311, a diagonal guide block 312 fixed on the side part of the diagonal jack 311, a horizontal guide block 313 fixed on the diagonal jack 311 and connected with the diagonal guide block 312, and a diagonal jack seat 315 fixedly arranged at the other end of the diagonal jack rod 314;
the inclined ejector seat 315 is slidably mounted on the front mold ejector plate 4.
Specifically, the large rear mold slider mechanism 21 includes a slider 211 disposed on a side wall of the installation groove of the diagonal jack, a diagonal jack seat 213 slidingly connected to the core 2 and located outside the slider 211, a diagonal jack 212 having one end connected to the slider 211 and the other end slidingly connected to the diagonal jack seat 213, an oil cylinder 215 fixed to the core 2, and a positioning column 214 fixedly connecting the diagonal jack seat 213 and the oil cylinder 215.
In this embodiment, the guiding and positioning mechanism is used for guiding the sliding disengagement or resetting of the front mold inclined ejection mechanism 31 and the rear mold large slide block mechanism 21, so as to ensure the safety and stability of the large inclined ejection of the cavity 3 and the large slide block on the core 2 when the rear window frame plastic product 1 is molded, and achieve a good positioning and sealing effect.
Specifically, two special inserts 22 are disposed on the core 2, and the two special inserts 22 are embedded between the slider 211 and the angled head 311.
In this embodiment, two special inserts 22 provided on the core 2 are used to ensure smooth sliding disengagement and accurate resetting of the angled plug 311 from the slider 211.
Specifically, the two special inserts 22 are cylindrical in shape, and the cylindrical ends are provided with guiding slopes and rounded corners.
In this embodiment, the guiding slope and the rounded corner are provided at the cylindrical end of the special insert 22 to ensure the smoothness of the sliding between the inclined plug 311 and the slider 211.
Specifically, as shown in fig. 4, the distance parting pull rod mechanism 5 includes a main pull rod 51, a base 52, a rotating shaft 53, an inclined wedge 55 and an auxiliary locking block 58;
The base 52 is fixedly connected to the outer side of the mold core 2, the lower end of the main pull rod 51 is rotationally connected with the base 52 through a rotating shaft 53, the upper end of the main pull rod 51 is fixedly connected with the upper panel of the mold frame through an auxiliary locking block 58, the springs 54 and the mold core 2 are respectively located on two sides of the main pull rod 51, and the inclined wedge 55 is arranged in the middle of the main pull rod 51 and is used for fixing the mold cavity 3.
In this embodiment, the fixed-distance parting pull rod mechanism 5 ensures that the front die pushes obliquely along with the product to move synchronously with the rear die when the die is opened, and simultaneously completes the demolding movement of the product reversely-buckled relatively, and ensures the stable and accurate resetting of the motion of the push obliquely and the sliding block during demolding and resetting.
Specifically, two fixed-distance parting pull rod mechanisms 5 are arranged on the die carrier, and the two fixed-distance parting pull rod mechanisms 5 are respectively positioned at two diagonal corners of the die carrier.
In this embodiment, the fixed-distance parting pull rod mechanism 5 is provided with a pair of opposite oblique angles of the die carrier, so that the front die is guaranteed to be obliquely propped against the product stably and then is released from the die during die opening.
Specifically, the distance parting pull rod mechanism 5 further comprises a spring 54, a screw for fixing the core 2 is installed on the lower side portion of the main pull rod 51, and the spring 54 is sleeved on the screw.
In this embodiment, the spring has elastic force, so as to avoid the shaking of the core 2 caused by loosening of the screw, and also provide supporting force when the screw is detached.
Specifically, the distance parting pull rod mechanism 5 further comprises an insert 57, and the insert 57 is inlaid between the main pull rod 51 and the front die ejector plate 4.
In this embodiment, the insert 57 is used to fill the gap between the main tie rod 51 and the front mold ejector plate 4, and to secure the front mold ejector plate 4 in position.
Specifically, the distance parting pull rod mechanism 5 further includes a transverse pin 56, and the main pull rod 51 can rotate around the transverse pin 56.
In this embodiment, when the mold is opened, when the wedge 55 reaches the front end of the cross pin 56, the main tie rod 51 drives the insert 57 on the front mold ejector plate 4 to move the front mold tilt along with the core 2, so as to complete the demolding operation of the front mold tilt mechanism 31. When the main pull rod 51 reaches the transverse pin 56, the main pull rod can rotate outwards around the rotating shaft 53 of the base 52, and the front die and the rear die of the die are separated and the product is ejected smoothly.
The concrete process for manufacturing the automobile rear window frame plastic product by the mold structure of the embodiment is as follows:
When the die is opened, the front die inclined ejection mechanism 31 is driven by the machinery of the fixed-distance parting pull rod mechanism 5 to perform two vector directions of vertical ejection and horizontal ejection under the action force of the front die ejector plate 4. When the cross pin 56 reaches the wedge block 55, the demoulding operation of the front mould inclined ejection mechanism 31 is completed, and the hook position at the top end of the main pull rod 51 is separated from the insert 57. And then continuing to open the die to finish ejection and picking of the product. When the die is assembled, the hook position at the top of the main pull rod 51 is contacted with the insert 57, and the auxiliary locking block 58 presses the top of the main pull rod 51, so that the pull rod mechanism is stable and reliable. In particular, two special inserts 22 are designed at the bottom of the large slide block mechanism 21 of the rear die and the inclined top mechanism 31 of the front die, and when the die is opened, the slide block 211 and the inclined top 31 can be ensured to horizontally split and separate along the cylindrical axial leads at the two ends of the inserts 22 due to the action of the positioning parting pull rod mechanism 5. During die assembly, the sliding block 21 and the inclined top 311 are precisely contacted and reset through the special insert 22.
Under the combined action of the mechanisms, the complex die structure can run stably and reliably in production, the position of a glue line of a product is ensured not to generate clamping openings and burrs, and the production efficiency is greatly improved.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (2)
1. The utility model provides a mould structure of window frame plastic product behind car which characterized in that: comprises a die carrier, a core (2) and a cavity (3) which are arranged on the die carrier and are buckled together, a fixed-distance parting pull rod mechanism (5) and a guiding and positioning mechanism which are arranged on the die carrier;
The mold core (2) is provided with a front mold inclined ejection mechanism (31) and a rear mold large slide block mechanism (21) in a combined mode, the guiding and positioning mechanism is used for guiding the front mold inclined ejection mechanism (31) to be separated from and reset with the rear mold large slide block mechanism (21), the fixed-distance parting pull rod mechanism (5) is used for enabling the front mold inclined ejection mechanism (31) to synchronously move towards the rear mold large slide block mechanism (21) along with a rear window frame plastic product (1) when the mold is opened, and finishing the demolding movement of the back-off relative to the rear window frame plastic product (1);
The guiding and positioning mechanism comprises a front die ejector plate (4) fixedly connected to the upper panel of the die carrier;
the front die inclined ejection mechanism (31) comprises an inclined ejection head (311) which is obliquely and slidingly embedded in the cavity (3) and is close to one end face of the core (2), an inclined ejection head mounting groove which is formed in the cavity (3) and is used for sliding and inserting the inclined ejection head (311), an inclined ejection rod (314) with one end fixedly connected with the inclined ejection head (311), an inclined guide block (312) fixed on the side part of the inclined ejection head (311), a horizontal guide block (313) fixed on the inclined ejection head (311) and connected with the inclined guide block (312) and an inclined ejection seat (315) fixedly arranged at the other end of the inclined ejection rod (314);
the inclined ejection seat (315) is slidably arranged on the front die ejection plate (4);
The rear mould large slide block mechanism (21) comprises a slide block (211) arranged on the side wall of the inclined top head mounting groove, an inclined top seat (213) which is connected to the core (2) in a sliding manner and is positioned at the outer side of the slide block (211), an inclined top (212) of which one end is connected with the slide block (211) and the other end is connected with the inclined top seat (213) in a sliding manner, an oil cylinder (215) fixed on the core (2) and a positioning column (214) fixedly connected with the inclined top seat (213) and the oil cylinder (215);
two special inserts (22) are arranged on the core (2), and the two special inserts (22) are embedded between the sliding block (211) and the inclined top (311);
The two special inserts (22) are cylindrical in shape, and guide inclination and rounding angles are arranged at the ends of the cylinders;
the fixed-distance parting pull rod mechanism (5) comprises a main pull rod (51), a base (52), a rotating shaft (53), an inclined wedge block (55) and an auxiliary locking block (58);
The base (52) is fixedly connected to the outer side of the mold core (2), the lower end of the main pull rod (51) is rotationally connected with the base (52) through a rotating shaft (53), the upper end of the main pull rod (51) is fixedly connected with the upper panel of the mold frame through an auxiliary locking block (58), the distance parting pull rod mechanism (5) further comprises a spring (54), a screw for fixing the mold core (2) is arranged on the lower side part of the main pull rod (51), the spring (54) is sleeved on the screw, the spring (54) and the mold core (2) are respectively positioned on two sides of the main pull rod (51), and the inclined wedge block (55) is arranged in the middle of the main pull rod (51) and is used for fixing the mold cavity (3);
two fixed-distance parting pull rod mechanisms (5) are arranged on the die carrier, and the two fixed-distance parting pull rod mechanisms (5) are respectively positioned at two diagonal corners of the die carrier;
The fixed-distance parting pull rod mechanism (5) further comprises an insert (57), and the insert (57) is inlaid between the main pull rod (51) and the front die ejector plate (4).
2. A mold structure for a plastic product for a rear window frame of an automobile according to claim 1, wherein: the fixed-distance parting pull rod mechanism (5) further comprises a transverse pin (56), and the transverse pin (56) is inserted into the upper portion of the main pull rod (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310029155.7A CN116100768B (en) | 2023-01-09 | 2023-01-09 | Mould structure of window frame plastic products behind car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310029155.7A CN116100768B (en) | 2023-01-09 | 2023-01-09 | Mould structure of window frame plastic products behind car |
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| Publication Number | Publication Date |
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| CN116100768A CN116100768A (en) | 2023-05-12 |
| CN116100768B true CN116100768B (en) | 2024-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310029155.7A Active CN116100768B (en) | 2023-01-09 | 2023-01-09 | Mould structure of window frame plastic products behind car |
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| CN113211742B (en) * | 2021-04-29 | 2023-03-24 | 浙江凯华模具有限公司 | Direct-ejection extrusion plastic part deformation back-off mechanism of automobile bumper injection mold |
| CN216373217U (en) * | 2021-10-29 | 2022-04-26 | 厦门多威精密模具有限公司 | Secondary slider takes off product back-off injection mold |
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2023
- 2023-01-09 CN CN202310029155.7A patent/CN116100768B/en active Active
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| CN108015994A (en) * | 2017-12-26 | 2018-05-11 | 浙江亨达塑料模具有限公司 | Automobile front beam injection mold based on cavity pickup |
| CN114801082A (en) * | 2022-04-11 | 2022-07-29 | 余姚市德沃斯模具科技有限公司 | Injection mold structure of large automobile instrument panel class |
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