CN116533458A - Injection molding die for upright tube of electric bicycle - Google Patents
Injection molding die for upright tube of electric bicycle Download PDFInfo
- Publication number
- CN116533458A CN116533458A CN202310667224.7A CN202310667224A CN116533458A CN 116533458 A CN116533458 A CN 116533458A CN 202310667224 A CN202310667224 A CN 202310667224A CN 116533458 A CN116533458 A CN 116533458A
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- CN
- China
- Prior art keywords
- core
- cavity
- plate
- die
- cylinder core
- 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.)
- Pending
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 239000003292 glue Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
-
- 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
- B29L2031/3091—Bicycles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The electric motor car vertical cylinder injection molding die comprises a die cavity compound plate, a die cavity frame, a die core compound plate, a die foot, a thimble bottom plate, a thimble panel and a core plate, wherein a lower cylinder core insert is arranged on the core plate, a hidden gate and a hot nozzle hole are arranged on the lower cylinder core insert, a hot nozzle is connected to the die core compound plate, the hot nozzle stretches into the hot nozzle hole, a straight jacking guide hole and an inner back-off die cavity are further arranged on the lower cylinder core insert, a straight jacking block is connected to the thimble panel, stretches into the straight jacking guide hole and is matched with the inner back-off die cavity, an upper cylinder core is connected under the die cavity compound plate, and the upper cylinder core passes through the die cavity frame and is inserted opposite to the straight jacking block and the lower cylinder core insert; two half sliding blocks are also transversely arranged on the core plate, are embraced around the lower cylinder core insert and are matched with the cavity frame, a vertical cylinder mold cavity is formed among the lower cylinder core insert, the straight jacking block and the upper cylinder core, the vertical cylinder mold cavity is communicated with the inner back-off mold cavity, the vertical cylinder is molded in the vertical cylinder mold cavity, and the inner back-off is molded in the inner back-off mold cavity.
Description
Technical Field
The invention relates to an injection molding mold for an electric vehicle handle vertical cylinder, and belongs to the field of injection molding molds.
Background
The plastic products, such as the upright tube of the electric vehicle, are produced by adopting an injection mold, the upper part of the upright tube is connected with a faucet handle, the lower part of the upright tube is connected with a front fork according to the appearance and structural analysis of the products, the whole volume of the upright tube is small, but the internal structure is relatively complex, the number of the clamping buckles and the assembly holes is large, and particularly the upper tube of the upright tube is small, the lower tube is large, and a spacing plate is arranged between the upper tube and the lower tube, so that the upright tube cannot be directly demoulded after being molded. Therefore, the vertical cylinder is generally processed in a split mode by the traditional technology, namely the vertical cylinder is divided into two parts to be respectively processed and molded, and then assembled together. During production, two pairs of dies need to be developed, so that not only is the cost investment increased, but also manual assembly is needed, and the efficiency is low. Meanwhile, the product is assembled with a splice seam, the vertical cylinder is an outer ornament of the electric vehicle, and the product has the splice seam and is not attractive in appearance. Accordingly, the applicant has developed an injection molding mold for producing integrally formed upright tubes of electric motor car handles.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an injection molding die for an electric vehicle handle vertical cylinder, which adopts butt-insert assembly, integrated molding, secondary die opening and smooth die stripping.
The technical scheme of the injection molding mold for the vertical tube of the electric vehicle is as follows: including die cavity compound board and core compound board, set up the die cavity frame under the die cavity compound board, set up two mould feet on the core compound board, set up thimble bottom plate and thimble panel between two mould feet, set up the core on two mould feet, its characterized in that: the core plate is provided with a lower cylinder core insert, the lower cylinder core insert is provided with a submarine gate and a hot nozzle hole, the core composite plate is provided with an injection port, the hot nozzle is connected to the injection port, the hot nozzle extends into the hot nozzle hole and is matched with the submarine gate, the lower cylinder core insert is also provided with a straight top guide hole and an inner back-off cavity, the thimble panel is connected with a straight top rod, the straight top rod is provided with a straight top block, the straight top block extends into the straight top guide hole and is matched with the inner back-off cavity, the lower part of the cavity composite plate is connected with an upper cylinder core, and the upper cylinder core penetrates through a cavity frame to be inserted opposite to the straight top block and the lower cylinder core insert;
two half sliding blocks are also transversely arranged on the core plate, are embraced around the lower cylinder core insert and are matched with the cavity frame, a vertical cylinder mold cavity is formed among the lower cylinder core insert, the straight jacking block and the upper cylinder core, the vertical cylinder mold cavity is communicated with the inner back-off mold cavity, a vertical cylinder is molded in the vertical cylinder mold cavity, and an inner back-off is molded in the inner back-off mold cavity;
the two half slide blocks are driven by an external sliding mechanism to slide outwards, and a secondary mold opening mechanism is arranged among the cavity compound plate, the cavity frame and the outer wall of the core plate.
The outer sliding mechanism comprises outer sliding oil cylinders respectively arranged on two sides of the core plate, and connecting lock modules are respectively arranged on the outer walls of the two half sliding blocks, are matched with the cavity frame and are connected with the outer sliding oil cylinders.
The secondary die opening mechanism comprises a pressing rod connected to the outer wall of a die cavity compound plate, a pressing block is arranged on the pressing rod, a pull rod is connected to the outer wall of the core plate, a drag hook is arranged on the pull rod, a spring and a clamping block are arranged in the outer wall of a die cavity frame, the head of the clamping block extends out of the wall of the die cavity frame, the upper top angle of the clamping block is matched with the drag hook, the lower bottom angle of the clamping block is made into an inclined plane, and the inclined plane is matched with the pressing block.
The injection molding die for the vertical cylinder of the electric vehicle has the beneficial effects that:
1. the upper cylinder core, the straight top block and the lower cylinder core insert are assembled in an opposite-inserting way to form a core of the die, the two half sliding blocks are matched with the cavity frame to form a cavity of the die, and the core is matched with the cavity to form the cavity, so that the vertical cylinder is integrally injection molded, the product does not need to be assembled, the die investment and the labor cost can be reduced, and the cost is saved;
2. the inverted glue feeding structure is adopted, namely, a hot nozzle is connected to a core compound plate, plastic is injected into a die cavity from a submarine gate of a lower cylinder core insert, so that glue feeding of the inner wall of the back of a product is realized, no glue mark exists on the surface of the product, and the surface of the product is ensured to be smooth;
3. the secondary die opening and external slipping die structure is adopted, and then the straight ejection and demoulding are combined, so that the upper cylinder of the vertical cylinder is firstly removed, then the outer contour of the vertical cylinder is removed, and finally the vertical cylinder is directly ejected by the straight ejection block, so that the manual or mechanical arm is convenient to take away, and the demoulding action is smooth.
Drawings
FIG. 1 is a schematic diagram of an injection molding mold for an electric vehicle handle upright tube;
FIG. 2 is a schematic view of section A-A of FIG. 1;
FIG. 3 is a schematic perspective view of an injection molding mold for an electric vehicle handle upright tube;
FIG. 4 is a schematic perspective cross-sectional view of an upper barrel core, lower barrel core insert and straight top block insert assembly of the present invention;
fig. 5 is a schematic structural view of a secondary mold opening mechanism according to the present invention.
Description of the embodiments
The invention relates to an electric vehicle handle vertical cylinder injection molding die, which is shown in fig. 1-5, and comprises a cavity compound plate 1 and a core compound plate 2, wherein a cavity frame 3 is arranged below the cavity compound plate, two die legs 5 are arranged on the core compound plate, a thimble bottom plate 6 and a thimble panel 7 are arranged between the two die legs, a core plate 8 is arranged on the two die legs, wherein a lower cylinder core insert 9 is arranged on the core plate 8, a hidden gate 10 and a hot nozzle hole 11 are arranged on the lower cylinder core insert 9, an injection port 12 is arranged on the core compound plate 2, a hot nozzle 13 is connected to the injection port, the hot nozzle 13 extends into the hot nozzle hole 11 and is matched with the hidden gate 10, a straight top guide hole 15 and an inner inverted buckle cavity 16 are also arranged on the lower cylinder core insert 9, a straight top rod 17 is connected to the straight top guide hole 18, the straight top block extends into the straight top guide hole 15 and is matched with the inner inverted buckle cavity 16, an upper cylinder core 19 is connected to the lower cylinder compound plate 1, and the upper cylinder core 19 passes through the straight top guide hole 15 and the lower cylinder insert 18;
two half slide blocks 20 are also transversely arranged on the core plate 8, the two half slide blocks 20 are wrapped around the lower cylinder core insert 9 and are matched with the cavity frame 3, a vertical cylinder mold cavity is formed among the lower cylinder core insert 9, the straight jacking block 18 and the upper cylinder core 19, the vertical cylinder mold cavity is communicated with the inner back-off mold cavity 16, a vertical cylinder 21 is molded in the vertical cylinder mold cavity, and an inner back-off 22 is molded in the inner back-off mold cavity 16;
the two half sliding blocks 20 are driven by an external sliding mechanism to slide outwards, and a secondary mold opening mechanism is arranged among the cavity compound plate 1, the cavity frame 3 and the outer wall of the core plate 8;
the external sliding mechanism comprises external sliding oil cylinders 25 respectively arranged on two sides of the core plate 8, connecting lock modules 26 are respectively arranged on the outer walls of the two half sliding blocks 20, and the connecting lock modules 26 are matched with the cavity frame 3 and connected with the external sliding oil cylinders 25.
The secondary die opening mechanism comprises a pressing rod 30 connected to the outer wall of a die cavity compound plate 1, a pressing block 31 is arranged on the pressing rod, a pull rod 32 is connected to the outer wall of a core plate 8, a draw hook 33 is arranged on the pull rod, a spring 35 and a clamping block 36 are arranged in the outer wall of a die cavity frame 3, the head of the clamping block 36 extends out of the die cavity frame wall, the upper top angle of the clamping block is matched with the draw hook 33, the lower bottom angle of the clamping block is made into an inclined surface 37, and the inclined surface 37 is matched with the pressing block 31.
The invention is mainly characterized in that a lower cylinder core insert 9 is arranged on a core plate 8, an inner back-off cavity 16 is arranged on the lower cylinder core insert 9, a straight ejector rod 17 is connected to the ejector plate 7, a straight ejector block 18 is arranged on the straight ejector block, the straight ejector block stretches into a straight ejector guide hole 15 and is matched with the inner back-off cavity 16, an upper cylinder core 19 is connected to the lower part of a cavity compound plate 1, the upper cylinder core 19 passes through a cavity frame 3 and is oppositely inserted and assembled with the straight ejector block 18 and the lower cylinder core insert 9, namely, the upper cylinder core 19, the lower cylinder core insert 9 and the straight ejector block 18 are inserted and oppositely inserted to form a mold core, two half sliders 20 are matched with the cavity frame 3 to form a mold cavity, the mold cavity is matched with the core, a vertical cylinder cavity is formed between the cavity and the mold core, a hidden gate 10 and a hot nozzle hole 11 are also arranged in the lower cylinder core insert 9, a hot nozzle 13 is connected to the core compound plate 2, and when the hot nozzle 13 stretches into the hot nozzle hole 11, a plastic raw material enters from the hot nozzle 13, and is injected into the vertical gate 10 and the vertical mold cavity 16 through the hidden gate and the vertical gate and the back-off plate 16, the inner wall is formed into the mold cavity through the vertical gate, the vertical gate is formed, the vertical gate is smooth, and the inner wall of the cavity is formed by the vertical molding cavity and the injection molding product, and the injection molding is formed into the cavity through the vertical cavity and the vertical cavity, and the back-off cavity is attractive, and the inner cavity is formed by the vertical molding cavity and the injection molding cavity and the back-shaped.
During demolding, the molding core 8 and the cavity frame 3 are driven by the power of the injection molding machine to separate the mold, but under the action of the secondary mold opening mechanism, the draw hook 33 pulls the upper top angle of the clamping block 36, so that the cavity frame 3 is firstly separated from the cavity composite plate 1 along with the mold core 8, the mold cavity frame 3 is separated from the cavity composite plate 1, the upper cylinder core 19 is connected to the cavity composite plate 1 and cannot move, the cavity frame moves, the upper cylinder core 19 is pulled out from the lower cylinder core insert 9 and the straight ejector block 18, the upper cylinder of the vertical cylinder is demolded, the mold is continuously opened for a certain distance, the inclined surface 37 of the clamping block 36 is contacted with the pressing block 31 at the moment, the clamping block 36 is compressed inwards under the action of the pressing block, the clamping block 35 is contracted into the cavity frame 3, the clamping block 36 is separated from the draw hook 33, the mold is continuously opened, the cavity frame 3 is separated from the cavity core 8, the outer sliding mechanism works, the outer sliding cylinder 25 drives the two half sliding blocks 20, the contour surface of the vertical cylinder is completely demolded, the lower cylinder core 19 is left on the lower cylinder core insert 9 and the straight ejector pin insert 18, the ejector pin 17 is driven by the straight ejector pin 7 or the straight ejector pin 17 is driven by the straight ejector pin 17, and finally the ejector pin 17 is lifted up from the upper cylinder insert 17 and the straight ejector pin 17 through the straight ejector pin 17.
The beneficial effect of this scheme is:
1. the upper cylinder core, the straight top block and the lower cylinder core insert are assembled in an opposite-inserting way to form a core of the die, the two half sliding blocks are matched with the cavity frame to form a cavity of the die, and the core is matched with the cavity to form the cavity, so that the vertical cylinder is integrally injection molded, the product does not need to be assembled, the die investment and the labor cost can be reduced, and the cost is saved;
2. the inverted glue feeding structure is adopted, namely, a hot nozzle is connected to a core compound plate, plastic is injected into a die cavity from a submarine gate of a lower cylinder core insert, so that glue feeding of the inner wall of the back of a product is realized, no glue mark exists on the surface of the product, and the surface of the product is ensured to be smooth;
3. the secondary die opening and external slipping die structure is adopted, and then the straight ejection and demoulding are combined, so that the upper cylinder of the vertical cylinder is firstly removed, then the outer contour of the vertical cylinder is removed, and finally the vertical cylinder is directly ejected by the straight ejection block, so that the manual or mechanical arm is convenient to take away, and the demoulding action is smooth.
Claims (1)
1. The utility model provides an upright section of thick bamboo injection moulding mould of motor vehicle handle, includes die cavity compound plate (1) and core compound plate (2), sets up die cavity frame (3) under the die cavity compound plate, sets up two mould feet (5) on the core compound plate, sets up thimble bottom plate (6) and thimble panel (7) between two mould feet, sets up core board (8), its characterized in that on two mould feet: the mold core plate (8) is provided with a lower cylinder core insert (9), the lower cylinder core insert (9) is provided with a submarine gate (10) and a hot nozzle hole (11), the mold core compound plate (2) is provided with an injection port (12), the injection port is connected with a hot nozzle (13), the hot nozzle (13) stretches into the hot nozzle hole (11) and is matched with the submarine gate (10), the lower cylinder core insert (9) is also provided with a straight top guide hole (15) and an inner back-off cavity (16), the ejector pin panel (7) is connected with a straight ejector rod (17), the straight ejector rod is provided with a straight top block (18), the straight top block stretches into the straight top guide hole (15) and is matched with the inner back-off cavity (16), the mold cavity compound plate (1) is connected with an upper cylinder core (19) downwards, and the upper cylinder core (19) penetrates through the mold cavity frame (3) and is opposite to the straight top block (18) and the lower cylinder core insert (9);
two half sliding blocks (20) are also transversely arranged on the core plate (8), the two half sliding blocks (20) encircle the lower cylinder core insert (9) and are matched with the cavity frame (3), a vertical cylinder mold cavity is formed among the lower cylinder core insert (9), the straight jacking block (18) and the upper cylinder core (19), the vertical cylinder mold cavity is communicated with the inner back-off mold cavity (16), a vertical cylinder (21) is molded in the vertical cylinder mold cavity, and an inner back-off mold (22) is molded in the inner back-off mold cavity (16);
the two half sliding blocks (20) are driven by an external sliding mechanism to slide outwards, and a secondary die opening mechanism is arranged among the die cavity compound plate (1), the die cavity frame (3) and the outer wall of the core plate (8);
the external sliding mechanism comprises external sliding oil cylinders (25) arranged on two sides of a core plate (8), connecting lock modules (26) are arranged on the outer walls of the two half sliding blocks (20), and the connecting lock modules (26) are matched with the cavity frame (3) and connected with the external sliding oil cylinders (25);
the secondary die opening mechanism comprises a pressing rod (30) connected to the outer wall of a die cavity compound plate (1), a pressing block (31) is manufactured on the pressing rod, a pull rod (32) is connected to the outer wall of a core plate (8), a draw hook (33) is manufactured on the pull rod, a spring (35) and a clamping block (36) are arranged in the outer wall of a die cavity frame (3), the head of the clamping block (36) extends out of the die cavity frame wall, the upper top angle of the clamping block is matched with the draw hook (33), the lower bottom angle of the clamping block is manufactured into an inclined surface (37), and the inclined surface (37) is matched with the pressing block (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310667224.7A CN116533458A (en) | 2023-06-07 | 2023-06-07 | Injection molding die for upright tube of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310667224.7A CN116533458A (en) | 2023-06-07 | 2023-06-07 | Injection molding die for upright tube of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116533458A true CN116533458A (en) | 2023-08-04 |
Family
ID=87447175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310667224.7A Pending CN116533458A (en) | 2023-06-07 | 2023-06-07 | Injection molding die for upright tube of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116533458A (en) |
-
2023
- 2023-06-07 CN CN202310667224.7A patent/CN116533458A/en active Pending
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