CN209350797U - Gas-assist mold flash automatic-sheared structure - Google Patents
Gas-assist mold flash automatic-sheared structure Download PDFInfo
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- CN209350797U CN209350797U CN201822230576.3U CN201822230576U CN209350797U CN 209350797 U CN209350797 U CN 209350797U CN 201822230576 U CN201822230576 U CN 201822230576U CN 209350797 U CN209350797 U CN 209350797U
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- pin hole
- isolation
- sliding block
- isolated
- needle
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Abstract
The utility model discloses gas-assist mold flash automatic-sheared structure, and sliding block, slide block insert, oil cylinder and isolation needle stroke positioning mechanism including movable model chamber side is arranged in, the side of dynamic model is arranged in the sliding block, and is slidably matched with dynamic model.The slide block insert is fixed on sliding block close to the side of movable model chamber, and slide block insert is equipped with isolation pin hole, and one end that pin hole is isolated is communicated with movable model chamber.The side of the isolation pin hole, offers the material overflow port that the flash channel cooperatively formed with fixed half and moving half communicates, and material overflow port can be communicated by the way that pin hole is isolated with movable model chamber.The internal activity of the isolation pin hole is equipped with isolation needle, and oil cylinder driving isolation needle moves in isolation pin hole, realizes material overflow port and connection and disconnection that pin hole is isolated.The utility model realizes automatic cutting handle, improves the quality of Surface Appearance by the connection of isolation needle cutting type chamber and material overflow port, saves the process for manually repairing material handle, saves cost, improves production efficiency and yield rate.
Description
Technical field
The utility model relates to injection mold technologies, and in particular to gas-assist mold flash automatic-sheared structure.
Background technique
The blade (as shown in Figure 1) of automobile is by rigid plastics using mold injection molding, and internal is hollow structure.
In order to realize blade interior hollow structure it is affected, it is affected during using injecting glue and blow two processes, firstly, by hot
Glue is intracavitary by the type that feed inlet injection fixed half and moving half cooperatively forms, then to the intracavitary air blowing of type, the hot glue of injection is uniformly covered with
On the inner wall of type chamber, extra hot glue enters flash channel by material overflow port, and external in type chamber forms material handle.After hot glue is cooling
Die sinking, blade, connecting together, need to expect that handle and blade disconnect with material, since material is in the appearance for being connected to blade, break
Sawing sheet needs that the junction with blade is placed under repair to material, manually repairs material large labor intensity, time-consuming and laborious, cost after
Increase, technical requirements are high, and material is gone to be easy to produce substandard product during.Therefore, the prior art needs to be further increased.
Utility model content
In view of the above shortcomings of the prior art, the purpose of this utility model is that proposing that gas-assist mold flash automatically cuts off knot
Structure, the process for saving fracture handle improve production efficiency and product quality.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the utility model is
Gas-assist mold flash automatic-sheared structure, including be arranged in the sliding block of movable model chamber side, slide block insert, oil cylinder and
Needle stroke positioning mechanism is isolated, the side of dynamic model is arranged in the sliding block, and is slidably matched with dynamic model.The slide block insert is fixed
In sliding block close to the side of movable model chamber, slide block insert is equipped with isolation pin hole, and one end that pin hole is isolated is communicated with movable model chamber.
The side of the isolation pin hole, offers the material overflow port that the flash channel cooperatively formed with fixed half and moving half communicates, and material overflow port is logical
Crossing isolation pin hole can communicate with movable model chamber.The internal activity of the isolation pin hole is equipped with isolation needle, and oil cylinder driving isolation needle exists
Movement in pin hole is isolated, realizes material overflow port and connection and disconnection that pin hole is isolated.
Preferably, slide block insert fixation is embedded on sliding block, and is located at sliding block close to one end of movable model chamber.The flash
Mouth is located at the side of slide block insert, and one end that needle is isolated moves in isolation pin hole, after the other end passes through sliding block, stretches out sliding block
Outside.
Preferably, the material overflow port is bell mouth shape structure, and one end of material overflow port close to isolation pin hole inner wall is closing in end,
Its other end is connected with flash channel.
Preferably, the oil cylinder is fixed on the one end of sliding block far from movable model chamber, the piston rod of oil cylinder by connector with
Needle is isolated to be connected.The two sides of the connector offer card slot respectively, wherein a side bayonet slot and the end that needle is isolated are removable
Unload connected, another side bayonet slot is detachably connected with the end of piston rod.
Preferably, the isolation needle stroke positioning mechanism includes guide pad, guide rod and travel switch, and guide pad is arranged in oil
On cylinder, guide rod is arranged on guide pad and is connected with guide pad sliding.Travel switch is fixedly mounted on the side of oil cylinder, guide rod
One end is fixedly linked with connector, and the other end is pierced by guide pad, is fixed with the sensor block matched with travel switch.
By using above-mentioned technical proposal, the advantageous effects of the utility model are: the utility model is dynamic by being located at
The connection of isolation needle cutting type chamber and material overflow port on mould, realizes automatic cutting handle, improves the quality of Surface Appearance, save people
The process that work repairs material handle saves cost, improves production efficiency and yield rate.
Detailed description of the invention
The structure chart for the blade pointed out in Fig. 1 background technique.
Fig. 2 is the schematic diagram of the gas-assist mold flash automatic-sheared structure after the utility model removal slide block insert.
Fig. 3 is the schematic cross-sectional view of utility model gas-assist mold flash automatic-sheared structure.
The structural schematic diagram of Fig. 4 the utility model a part, thus it is shown that slide block insert.
Fig. 5 is the structural schematic diagram of another visual direction of slide block insert shown in Fig. 4.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing:
In conjunction with Fig. 2 to Fig. 5, gas-assist mold flash automatic-sheared structure, including be arranged in movable model chamber side sliding block 1,
Slide block insert 3, oil cylinder 4 and isolation needle stroke positioning mechanism 5, the sliding block 1 are located at the side of dynamic model and are slidably matched with dynamic model,
The two sides of sliding block 1 are respectively arranged with pressing plate 9, and pressing plate 9 is fixedly linked by bolt and dynamic model, the two sides of sliding block 1 respectively be located at
The pressing plate 9 of its respective side is slidably matched, and pressing plate 9 plays limit and guiding to sliding block 1.It is set between the sliding block 1 and dynamic model
There is wearing plate 11, wearing plate 11 is fixedly mounted on sliding block 1 close to the side of dynamic model, wearing plate 11 and dynamic model sliding contact, master
It will be made of high-tensile strength brass and graphite.
The lower part of the sliding block 1 is equipped with positioning device 23, and positioning device 23 is the prior art, and positioning device 23 can be with setting
Card slot cooperation on wearing plate 11, realizes positioning to sliding block 1, specifically, when sliding 1 and its positioning device 23 move to it is wear-resisting
When groove position on plate 11, the elastomeric element of positioning device 23 enters in the card slot of wearing plate 11, and sliding block 1 is determined in realization
Position.Pressing plate 9 is fixedly linked with dynamic model, and the two sides of sliding block 1 are slidably matched with corresponding pressing plate 9 respectively, guarantees sliding block 1 along pressing plate
9 direction moves along a straight line relative to dynamic model.Offered on sliding block 1 matched with the inclined guide pillar being fixedly mounted on cover half it is oblique
Guide post cavity 22, inclined guide pillar is inserted into inclined guide pillar cavity 22 and sliding block 1 is mating, when dynamic model and cover half are opened or mold, tiltedly
Guide post can drive sliding block 2 to move along a straight line relative to dynamic model.
The slide block insert 3 is located at sliding block 1 close to one end of movable model chamber, and slide block insert 3 is fixed to be embedded on the slider 1,
Slide block insert 3 is moved with sliding block 1.The inside of slide block insert 3 offers isolation pin hole 31, and pin hole 31 is isolated for straight line circle
Hole, axis direction is consistent with the direction of motion of sliding block 1, and one end of isolation pin hole 31 is communicated with movable model chamber.The isolation needle
The side in hole 31 offers the material overflow port 32 that the flash channel 8 cooperatively formed with fixed half and moving half communicates, the flash channel 8
It is the channel cooperatively formed by the flash groove being provided on fixed half and moving half respectively.Material overflow port 32 is located at the inside of slide block insert 3
And it is opened in the side of isolation pin hole 31, material overflow port 32 can be communicated by the way that pin hole 31 is isolated with movable model chamber, and material overflow port 32 is loudspeaker
One end of mouth shape structure, material overflow port 32 close to isolation pin hole inner wall is closing in end, and the other end is connected with flash channel 8.?
Under use state, the intracavitary hot fluid of the type of fixed half and moving half composition can enter flash by isolation pin hole 31 and material overflow port 32
In channel 8, material handle is formed in flash channel 8 and material overflow port 32.Oil cylinder 4 is fixed on the slider 1, is located at sliding block 1 far from movable model
One end of chamber.It is described isolation pin hole 31 internal activity be equipped with matched isolation needle 6, be isolated needle 6 one end positioned at every
From in pin hole 31, the other end stretches out the outside of sliding block 1, with the detachable phase of telescopic end that oil cylinder 4 on the slider 1 is fixedly mounted
Even, the driving of the oil cylinder 4 isolation needle 6 is moved in the inside of isolation pin hole 31 along its axis direction.
The piston rod of oil cylinder 4 is connected by connector 7 with needle 6 is isolated, and the two sides of connector 7 offer card slot respectively,
In a side bayonet slot be detachably connected with the end that needle 6 is isolated, the end of another side bayonet slot and the piston rod of oil cylinder 4 is detachable
It is connected.When oil cylinder 4 drive isolation needle 6 be isolated in pin hole 31 move when, the outer wall of needle 6 and inner wall phase that pin hole 31 is isolated is isolated
Cooperation is, it can be achieved that material overflow port 32 and the connection and blocking be isolated between pin hole 31.Under injection molding and air blowing state, needle 6 is isolated in oil
The driving of cylinder 4 is lower to be retreated, and material overflow port 32 keeps connected state be isolated between pin hole 31, and extra hot melt shape fluid is by being isolated needle
Hole 31 and material overflow port 32 enter in flash channel 8.Isolation needle 6 advances under the driving of oil cylinder 4, and flash is passed through in the end of isolation needle 6
After mouthfuls 32, material overflow port 32 is blocked be isolated between pin hole 31, hot melt shape fluid cool down after in flash channel 8 and material overflow port 32
Material handle is formed, realizes automatic cutting handle.
The isolation needle stroke positioning mechanism 5 includes guide pad 51, guide rod 52 and travel switch 53, and the setting of guide pad 51 exists
On oil cylinder 4, guide rod 52 is arranged on guide pad 51 and is connected with the sliding of guide pad 51.One end of guide rod 52 and connector 7 are fixed
It is connected, the other end is pierced by guide pad 51, is fixed with the sensor block 54 matched with travel switch 53.The sensor block 54 is by two
Sensor block monomer composition, each sensor block monomer, which is detachably fixed with guide rod 52, to be connected, and two sensor block monomers are close to stroke
The side of switch 53 has V-notch, and the two sides inner wall of V-notch can be contacted with travel switch 53, and travel switch 53 passes through sense
Block 54 is answered to determine the movement travel of sliding block 1.
Inclined guide pillar is provided on the cover half of gas-assist mold, inclined guide pillar is mating with sliding block 1 and sliding block 1 is driven to move.It is dynamic
Mould and cover half mold, and before hot fluid enters type chamber, isolation needle 6 blocks the type chamber that dynamic model and cover half form with material overflow port 32, heat
Fluid is into glue.After glue, after pressure maintaining 0.5 second, isolation needle 6 retreats 15mm, and for inflatable body to the intracavitary air blowing of type, hot fluid is attached
And be covered with inner wall in type chamber, extra hot fluid flows into flash channel 8 by material overflow port 32.After air blowing, needle 6 is isolated
15mm, product and flash separation are ejected, die sinking obtains qualified products, forms material handle in material overflow port 32 and flash channel 8.Oil cylinder 4
Driving isolation needle 6 retreats, and back-off is exited in the end of isolation needle 6, and when dynamic model and cover half are opened, inclined guide pillar drives sliding block 1 to retreat, if
Back-off is exited in the core pulling set on the slider 1, by product piece and the material separated with product piece taking-up.The utility model is by setting
The connection of isolation needle cutting type chamber and material overflow port on dynamic model, realizes automatic cutting handle, improves the quality of Surface Appearance, save
The process for manually repairing material handle is gone, cost is saved, improves the yield rate of production efficiency.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, are also answered
Belong to the protection scope of the utility model.
Claims (5)
1. gas-assist mold flash automatic-sheared structure, including be arranged in the sliding block of movable model chamber side, slide block insert, oil cylinder and every
From needle stroke positioning mechanism, which is characterized in that the side of dynamic model is arranged in the sliding block, and is slidably matched with dynamic model；The cunning
Block mold insert is fixed on sliding block close to the side of movable model chamber, and slide block insert is equipped with isolation pin hole, and one end of pin hole is isolated and moves
Model cavity communicates；The side of the isolation pin hole, offers the flash that the flash channel cooperatively formed with fixed half and moving half communicates
Mouthful, material overflow port can be communicated by the way that pin hole is isolated with movable model chamber；The internal activity of the isolation pin hole is equipped with isolation needle, and oil cylinder drives
Dynamic isolation needle moves in isolation pin hole, realizes material overflow port and connection and disconnection that pin hole is isolated.
2. gas-assist mold flash automatic-sheared structure according to claim 1, which is characterized in that slide block insert is fixed embedded
On sliding block, and it is located at sliding block close to one end of movable model chamber；The material overflow port is located at the side of slide block insert, and the one of needle is isolated
End moves in isolation pin hole, after the other end passes through sliding block, stretches out the outside of sliding block.
3. gas-assist mold flash automatic-sheared structure according to claim 2, which is characterized in that the material overflow port is loudspeaker
One end of mouth shape structure, material overflow port close to isolation pin hole inner wall is closing in end, and the other end is connected with flash channel.
4. gas-assist mold flash automatic-sheared structure according to claim 1, which is characterized in that the oil cylinder is fixed on cunning
The piston rod of the one end of block far from movable model chamber, oil cylinder is connected by connector with needle is isolated；Distinguish the two sides of the connector
Card slot is offered, wherein a side bayonet slot is detachably connected with the end that needle is isolated, the end of another side bayonet slot and piston rod
It is detachable to be connected.
5. gas-assist mold flash automatic-sheared structure according to claim 4, which is characterized in that the isolation needle stroke is fixed
Position mechanism includes guide pad, guide rod and travel switch, and guide pad is arranged on oil cylinder, guide rod be arranged on guide pad and with guiding
Block sliding is connected；Travel switch is fixedly mounted on the side of oil cylinder, and one end and the connector of guide rod are fixedly linked, and the other end is pierced by
Guide pad is fixed with the sensor block matched with travel switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230576.3U CN209350797U (en) | 2018-12-28 | 2018-12-28 | Gas-assist mold flash automatic-sheared structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230576.3U CN209350797U (en) | 2018-12-28 | 2018-12-28 | Gas-assist mold flash automatic-sheared structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209350797U true CN209350797U (en) | 2019-09-06 |
Family
ID=67801259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822230576.3U Active CN209350797U (en) | 2018-12-28 | 2018-12-28 | Gas-assist mold flash automatic-sheared structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209350797U (en) |
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2018
- 2018-12-28 CN CN201822230576.3U patent/CN209350797U/en active Active
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