CN109016397B - Injection mold convenient to exhaust and capable of improving injection molding quality - Google Patents
Injection mold convenient to exhaust and capable of improving injection molding quality Download PDFInfo
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- CN109016397B CN109016397B CN201810780108.5A CN201810780108A CN109016397B CN 109016397 B CN109016397 B CN 109016397B CN 201810780108 A CN201810780108 A CN 201810780108A CN 109016397 B CN109016397 B CN 109016397B
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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
- B29C45/34—Moulds having venting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold convenient for exhaust and capable of improving injection molding quality, which comprises a rear cover plate, wherein a thimble cover plate is arranged on the side surface of the rear cover plate, mold pins are arranged on the two sides, close to the thimble cover plate, of the side surface of the rear cover plate, a spring column penetrates through the side surface of the thimble cover plate, a lower mold plate is arranged at one end of the spring column, a guide column penetrates through the edge of the side surface of the lower mold plate, an upper mold plate is arranged on the side surface of the lower mold plate, a front cover plate is arranged on the side surface of the upper mold plate, and the guide column penetrates through the upper mold plate and the. The exhaust duct has the characteristic of automatic sealing, when the injection mold is not used, the injection mold can be erected, the exhaust duct is automatically closed, the problem of blockage caused by accumulation of fine particles in the exhaust duct due to long-time non-use of the injection mold can be solved, and meanwhile, the exhaust duct is provided with the exhaust plate and the fan box, and the exhaust plate can be controlled to open the exhaust duct during injection molding.
Description
Technical Field
The invention relates to an injection mold, in particular to an injection mold which is convenient to exhaust and can improve injection molding quality.
Background
An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. The injection molding method comprises the steps of injecting heated and melted plastic into a mold cavity at high pressure by an injection molding machine, cooling and solidifying to obtain a formed product, wherein an exhaust system is one of important components of the injection molding machine, an exhaust groove is one of important components of the exhaust system, the exhaust groove is used for exhausting air in the mold cavity and exhausting various gases generated in the heating process of materials when the melted materials are injected, if the exhaust groove is not arranged or blocked, the product is provided with air holes and is not full of molds, even the accumulated air burns the product due to high temperature generated by compression, when the injection molding machine is used, gaps exist among various structures of the injection molding machine, and if the working environment is not good, small-sized articles or other articles can fall off, so that the use of the injection molding machine is affected.
Through retrieval, the Chinese patent discloses an electric sheath production mold (No. CN205552964U) convenient for air exhaust, which has the advantages of easy air bubble exhaust and good product quality, and the area of the air exhaust hole on the molding surface is less than 1 square centimeter, thus having the advantage of not influencing the molding surface of the product.
Through retrieval, the Chinese patent discloses a mold (with the authorization number of CN105365167B) convenient for disassembling an exhaust insert, which has the advantages that when the exhaust insert needs to be cleaned, a mold core and a mold plate do not need to be disassembled, the originally necessary mold parting force of the mold is flexibly utilized, a driving part is not additionally arranged, the exhaust insert can be ejected out for cleaning, and the working efficiency is greatly improved.
However, in the above patents, the injection quality cannot be improved by facilitating the exhaust, in the prior art, the injection mold is not provided with an exhaust groove capable of being automatically closed, when the injection mold is not used, dust or other fine particles are accumulated in the exhaust groove, so that the exhaust groove is blocked, which causes the problem that the product has air holes, the mold is not full, and even the accumulated air burns the product due to high temperature generated by compression, and the injection mold needs to be used in combination with an exhaust plate capable of opening the exhaust groove, so that the exhaust groove can be automatically opened, when the injection mold works, the air in the mold cavity needs to be rapidly exhausted, the air exhaust of the conventional injection mold utilizes the self-pressure of the air in the mold cavity, the speed is slow, which causes the problem that the product cavity, the burr or the burning mark is generated, and in order to improve the injection quality, the injection mold needs to have the function of dredging the exhaust groove, in order to prevent that the exhaust duct from blockking up, in the gas of the production of moulding plastics, some gas have the toxicity, if can not clear up toxic gas then can influence the staff, the last mold core of injection mould need have the characteristic of being convenient for installation and dismantlement, simultaneously, will prevent to go up the mold core and produce the problem that the vibration leads to moulding plastics the failure when moulding plastics. Accordingly, those skilled in the art have provided an injection mold that facilitates air exhaust and improves injection quality, so as to solve the problems set forth in the background art described above.
Disclosure of Invention
The invention aims to provide an injection mold which is convenient to exhaust and can improve injection quality, and aims to solve the problem that the injection quality cannot be improved by convenient exhaust in the background technology The problem of burr or production burn mark, and in order to improve the quality of moulding plastics, injection mold need have the function of mediation exhaust duct to prevent that the exhaust duct from blockking up, in the gas of the production of moulding plastics, some gas is toxic, if can not clear up then can influence the staff to toxic gas, the last mold core of injection mold need have the characteristic of being convenient for installation and dismantlement, simultaneously, will prevent to go up the mold core and produce the problem that the vibration leads to moulding plastics the failure when moulding plastics.
In order to achieve the purpose, the invention provides the following technical scheme:
an injection mold convenient for exhaust and capable of improving injection molding quality comprises a rear cover plate, wherein a thimble cover plate is mounted on the side surface of the rear cover plate, mold feet are mounted on two sides, close to the thimble cover plate, of the side surface of the rear cover plate, a spring column penetrates through the side surface of the thimble cover plate, a lower mold plate is mounted at one end of the spring column, a guide column penetrates through the edge of the side surface of the lower mold plate, an upper mold plate is mounted on the side surface of the lower mold plate, a front cover plate is mounted on the side surface of the upper mold plate, the guide column penetrates through the upper mold plate and the front cover plate, a positioning ring is fixedly mounted on the side surface of the front cover plate, an injection molding channel is formed in the positioning ring, a fan box is mounted on the front surface of the lower mold plate, a second baffle plate is mounted on the upper surface of the rear cover plate, a first, the side surface of the lower template is provided with a clamping groove, an exhaust plate is embedded in the clamping groove, and a lower mold core is embedded in one side, close to the exhaust plate, of the clamping groove.
As a further scheme of the invention: bolt fixed connection is passed through to the one end that first baffle and second baffle were installed at front shroud and back shroud upper surface, and the pivot is all installed at the both ends of first baffle and second baffle, the position department that first baffle and second baffle are connected forms the contained angle, and the angle of contained angle is 160, and the angle of contained angle upwards.
As a still further scheme of the invention: an exhaust groove is formed in the lower mold core in a penetrating mode, and the diameter and the depth of the exhaust groove formed in the outer side surface of the lower mold core are smaller than the overflow edge value of the plastic.
As a still further scheme of the invention: the fan box is characterized in that a ventilation pipe is installed on one side of the exhaust plate, the ventilation pipe penetrates through the lower template and is connected with the fan box, a hydraulic rod is installed inside the exhaust plate, a supporting plate is fixedly installed at one end of the hydraulic rod, a hollow conical pipe is installed on the side surface of the supporting plate in a penetrating mode, an air inlet hole is formed in the side surface, facing the hydraulic rod, of the supporting plate, and the air inlet hole is communicated with the hollow conical pipe.
As a still further scheme of the invention: the diameter of the inner side surface of the lower die core of the exhaust groove is larger than that of the outer side surface of the lower die core, and the diameter of the inner side surface of the lower die core of the exhaust groove is equal to the diameter of the top end of the hollow conical tube.
As a still further scheme of the invention: the air exhaust groove is characterized in that a groove is formed in one end, located on the inner side surface of the lower die core, of the air exhaust groove, a blocking piece is rotatably installed on an air outlet of the air exhaust groove, the length of the blocking piece is equal to that of the groove, an included angle is formed between the groove and the vertical direction, the included angle is 15 degrees, and a fixing block is fixedly installed on the inner wall, located on the inner side surface of the lower die core, of the air outlet.
As a still further scheme of the invention: the fan box is characterized in that an opening is formed in the surface of the fan box, an installation frame is embedded into the fan box, the length of the installation frame is consistent with that of the opening, the two sides of the installation frame are both provided with accommodating frames in a penetrating mode, springs are installed between the accommodating frames, the upper surface of each accommodating frame is fixedly provided with a fixing plate, the upper surface of the installation frame is provided with a sliding groove, and the fixing plates penetrate through the sliding grooves and are connected with the installation frame.
As a still further scheme of the invention: the length of two containing frames and the length of the compressed spring are added and equal to the length of the mounting frame, the inside of the containing frames and the inside of the mounting frame are both provided with an activated carbon plate, the inner wall of the fan box is fixedly provided with a buckle plate, and the width between the buckle plate and the inner side wall of the fan box is equal to the width of the containing frames.
As a still further scheme of the invention: the fan box is characterized in that an alternating current motor and a small fan are arranged inside the fan box, the alternating current motor is connected with the small fan through a transmission rod, a switch is arranged outside the fan box, and the switch is electrically connected with the hydraulic rod and the alternating current motor.
As a still further scheme of the invention: the side embedding of cope match-plate pattern orientation lower bolster is installed the mold core, and the side of cope match-plate pattern is close to near of last mold core and has seted up the side channel, the buckle is installed in the inside rotation of side channel, the length of buckle equals with the length of side channel, the screens groove has been seted up on the surface of cope match-plate pattern, and the shape in screens groove is unanimous with the mobilizable one end of buckle, the buckle has the curb plate towards the side surface fixed mounting of side channel, and the buckle is a metal component that has magnetism, one side fixed mounting that the inside of cope match-plate pattern is close to the side channel has the permanent magnet.
Compared with the prior art, the invention has the beneficial effects that:
the exhaust groove of the invention has the characteristic of automatic closing, when the injection mold is not used, the injection mold can be erected, the exhaust groove is automatically closed, the blockage caused by the accumulation of fine particles in the exhaust groove due to the long-time non-use of the injection mold can be prevented, meanwhile, the exhaust plate and the fan box are arranged, when the injection mold is used, the exhaust plate can be controlled to open the exhaust groove, the negative pressure is formed in the exhaust plate by the operation of the fan, the air discharge in the mold cavity can be accelerated, simultaneously, the activated carbon plate is arranged in the fan box, the toxic gas in the discharged air can be filtered, the harm to workers caused by the toxic gas can be prevented, meanwhile, the activated carbon plate is convenient to install and replace, the efficiency of cleaning the toxic gas can be ensured, after the injection mold is finished, the fan can be reversely operated, thereby sucking the outside air to clean the exhaust groove, and simultaneously, the dust in the air can be filtered when the air passes through, the upper die plate is provided with the buckle, so that the upper die core can be stably embedded and installed in the upper die plate, and the problem of injection failure caused by shaking of the upper die core during injection can be prevented.
Drawings
FIG. 1 is a schematic structural diagram of an injection mold facilitating air exhaust and improving injection molding quality.
FIG. 2 is an exploded view of an injection mold that facilitates venting to improve injection quality.
FIG. 3 is a schematic cross-sectional view of an exhaust plate of an injection mold for facilitating exhaust and improving injection quality.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3.
FIG. 5 is a schematic sectional view of a fan box in an injection mold for facilitating venting and improving injection molding quality.
FIG. 6 is a schematic cross-sectional view of an upper mold plate of an injection mold for facilitating venting and improving injection quality.
In the figure: 1. a rear cover plate; 2. a guide post; 3. a thimble cover plate; 4. a mould leg; 5. a spring post; 6. a lower template; 7. mounting a template; 8. a front cover plate; 9. a positioning ring; 10. injection molding a channel; 11. a fan box; 12. a first baffle plate; 13. a second baffle; 14. a card slot; 15. an exhaust plate; 16. a lower mold core; 1601. an exhaust groove; 1501. a vent pipe; 1502. a hydraulic lever; 1503. a support plate; 1504. a hollow conical tube; a1, a groove; a2, a baffle plate; a3, fixing blocks; 1101. installing a frame; 1102. a storage frame; 1103. a spring; 1104. a fixing plate; 1105. buckling the plate; 1106. a small fan; 701. an upper mold core; 702. a permanent magnet; 703. a side groove; 704. buckling; 705. side plates.
Detailed Description
Referring to fig. 1-2, in the embodiment of the present invention, an injection mold facilitating exhaust and improving injection quality includes a back cover plate 1, a thimble cover plate 3 is installed on a side surface of the back cover plate 1, mold feet 4 are installed on two sides of the side surface of the back cover plate 1 close to the thimble cover plate 3, a spring post 5 is installed through the side surface of the thimble cover plate 3, a lower mold plate 6 is installed at one end of the spring post 5, a guide post 2 is installed through an edge of a side surface of the lower mold plate 6, an upper mold plate 7 is installed on the side surface of the lower mold plate 6, a front cover plate 8 is installed on the side surface of the upper mold plate 7, the guide post 2 penetrates through the upper mold plate 7 and the front cover plate 8, a positioning ring 9 is fixedly installed on the side surface of the front cover plate 8, an injection channel 10 is opened inside the positioning ring 9, a fan box 11 is installed on the front surface of the lower mold plate 6, first baffle 12 is connected through the pivot with second baffle 13, draw-in groove 14 has been seted up to the side surface of lower bolster 6, exhaust plate 15 is installed to the inside embedding of draw-in groove 14, and one side embedding that the inside of draw-in groove 14 is close to exhaust plate 15 installs lower mold core 16, bolt fixed connection is passed through at the one end of front shroud 8 and 1 upper surface of back shroud to first baffle 12 and second baffle 13, and the pivot is all installed at the both ends of first baffle 12 and second baffle 13, the position department that first baffle 12 and second baffle 13 are connected forms the contained angle, the angle of contained angle is 160, and the angle of contained angle upwards, the injection mold of being convenient for is when the compression, first baffle 12 and second baffle 13 arch up, first baffle 12 and second baffle 13 can prevent that there is the little article to fall among the injection mold and cause the influence to injection mold.
Referring to fig. 3, an exhaust groove 1601 is formed in the lower mold core 16 in a penetrating manner, the diameter and depth of the exhaust groove 1601 on the outer side surface of the lower mold core 16 are smaller than the overflow edge value of the plastic, so that the plastic can be prevented from leaking out along the exhaust groove 1601 during injection molding, a vent pipe 1501 is installed on one side of an exhaust plate 15, the vent pipe 1501 penetrates through the lower mold plate 6 and is connected with a fan box 11, a hydraulic rod 1502 is installed in the exhaust plate 15, a bidirectional gear, an oil circuit manifold, an oil cylinder and a piston rod are arranged in the hydraulic rod 1502, the hydraulic rod 1502 outputs pressure oil in a bidirectional manner of being controlled by the gear pump through the oil circuit manifold to drive the piston rod to move, a support plate 1503 is fixedly installed at one end of the hydraulic rod 1502, a hollow conical pipe 1504 is installed in a penetrating manner on the side surface of the support plate 1503, and an air inlet, the diameter of the air discharge groove 1601 on the inner side surface of the lower mold core 16 is larger than that of the air discharge groove 1601 on the outer side surface of the lower mold core 16, and the diameter of the air discharge groove 1601 on the inner side surface of the lower mold core 16 is equal to the diameter of the top end of the hollow conical tube 1504.
Please refer to fig. 4, a groove a1 is formed at one end of the exhaust groove 1601 located on the inner side surface of the lower mold core 16, and a baffle a2 is rotatably installed at the air outlet of the exhaust groove 1601, the length of the baffle a2 is equal to the length of the groove a1, an included angle is formed between the groove a1 and the vertical direction, the included angle is 15 degrees, which facilitates the rotation of the baffle a2, a fixing block A3 is fixedly installed on the inner wall of the air outlet of the exhaust groove 1601 located on the inner side surface of the lower mold core 16, when the injection mold is erected, because the groove a1 is provided with an angle, the baffle a1 rotates under its own gravity, the baffle a1 is blocked by the fixing block A3 when rotating to the horizontal direction, so as to seal the air outlet of the exhaust groove 1601.
Referring to fig. 5, an opening is formed in the surface of the fan box 11, an installation frame 1101 is embedded and installed inside the fan box 11, the length of the installation frame 1101 is the same as that of the opening, receiving frames 1102 are installed on two sides of the installation frame 1101 in a penetrating manner, springs 1103 are installed between the receiving frames 1102, a fixing plate 1104 is fixedly installed on the upper surface of the receiving frame 1102, a sliding groove is formed in the upper surface of the installation frame 1101, the fixing plate 1104 penetrates through the sliding groove and is connected with the installation frame 1101, the sum of the lengths of the two receiving frames 1102 and the length of the compressed springs 1103 is equal to that of the installation frame 1101, activated carbon plates are installed inside the receiving frames 1102 and the installation frame 1101, the receiving frames 1102 can be installed into the installation frame 1101 through the compressed springs 1103 by pressing the fixing plate 1104, the installation frame 1101 can be taken out of the opening of the fan box 11 for replacement, a buckle plate 1105 is fixedly installed on the inner wall of the fan box 11, the width between the buckle plate 1105, the inside of fan box 11 is installed alternating current motor and small-size fan 1106, and alternating current motor passes through the transfer line and is connected with small-size fan 1106, and the externally mounted of fan box 11 has the switch, switch and hydraulic stem 1502 and alternating current motor electric connection, and alternating current motor can drive small-size fan 1106 and carry out clockwise rotation or anticlockwise rotation to can be through ventilation pipe 1501 to exhaust or air supply to exhaust plate 15, can accelerate the gas in the exhaust duct 1601 to get rid of or dredge exhaust duct 1601.
Referring to fig. 6, an upper mold core 701 is embedded and installed on a side surface of an upper mold plate 7 facing a lower mold plate 6, a side groove 703 is formed near the side surface of the upper mold plate 7 close to the upper mold core 701, a buckle 704 is rotatably installed inside the side groove 703, the length of the buckle 704 is equal to that of the side groove 703, a clamping groove is formed on the surface of the upper mold core 701, the shape of the clamping groove is identical to that of a movable end of the buckle 704, a side plate 705 is fixedly installed on a side surface of the buckle 704 facing the side groove 703, the buckle 704 is a metal member with magnetism, a permanent magnet 702 is fixedly installed on a side of the upper mold plate 7 close to the side groove 703, the buckle 704 can be adsorbed by the permanent magnet 702, the upper mold core 701 can contact with one end of the buckle 704 on which a rotating shaft is installed, the buckle 704 is driven to rotate around the rotating shaft when the upper mold core 701 is continuously installed, and after the upper mold core 701 is, meanwhile, the other end of the catch 704 is caught in the catching groove of the upper core 701, so that the upper core 701 can be caught in the upper mold plate 7.
The working principle of the invention is as follows: an exhaust plate 15 is installed in a clamping groove 14 of a lower template 6, a vent pipe 1501 of the exhaust plate 15 penetrates through the lower template 6 to be connected with a fan box 11, a lower mold core 16 is embedded and installed in the clamping groove 14, after an injection mold is assembled, an injection molding machine is aligned to an injection molding channel 10, a switch on the fan box 11 is pressed, a hydraulic rod 1502 is started, the hydraulic rod 1502 can drive a supporting plate 1503 to ascend, the top end of a hollow conical pipe 1504 can enter an air outlet hole of the exhaust groove, the top end of the hollow conical pipe 1504 is conical, so that the fixing block A3 can not block the hollow conical pipe 1504, meanwhile, the top end of the hollow conical pipe 1504 can also be fully contacted with the inside of the exhaust groove 1601, after the molten plastic is injected into a mold cavity by the injection molding machine, air in the mold cavity and gas generated by reaction in the plastic can be exhausted from the hollow conical pipe 1504 through the exhaust groove 1601, an alternating current motor in the fan box 11 is started through, the alternating current machine drives the small fan 1106 to rotate through the transmission rod, so that the gas in the exhaust plate 15 can be pumped out to form negative pressure in the exhaust plate 15, the gas flow in the die cavity can be accelerated, the problems that the product has air holes and is not full of mold filling due to gas residue and even the product is burnt due to high temperature generated by the compression of stored air can be solved, meanwhile, the toxic gas in the gas can be removed when the removed gas passes through the active carbon plates in the installation frame 1101 and the storage frame 1102, the health of workers can be prevented from being harmed, after the gas is filtered for a long time, the active carbon plates need to be replaced, the fixing plate 1104 can be pressed, the storage frame 1102 can be taken out from between the pinch plate 1105 and the inner wall of the fan box 11, the pinch plate 1105 and the fan box 11 can clamp the storage frame 1102, the installation stability of the active carbon plates can be ensured, the storage frame 1102 is stored in the installation frame 1101 through, then the installation frame 1101 is taken out from the opening of the fan box 11, a new installation frame 1101 is installed in the fan box 11 from the opening, the fixing plate 1104 is pushed, the containing frame 1102 is pushed to be between the pinch plate 1105 and the fan box 11, installation is completed after injection molding, in order to prevent the exhaust groove 1601 from being blocked, the fan can be rotated in the reverse direction by starting the alternating current motor, air can be supplied to the exhaust plate 15, external air can be filtered when passing through the activated carbon plate, dust in the external air can be prevented from entering the exhaust groove 1601, air enters the exhaust groove 1601 from the hollow conical pipe 1504, residues in the exhaust groove 1601 can be blown away, when the upper mold core 701 needs to be taken out, the side plate 705 can be pressed, the buckle 704 can rotate around the rotating shaft, so that the upper mold core 701 can be tilted, taking is convenient, when the upper mold core 701 needs to be taken out, the upper mold core 701 can contact with one end of the buckle 704, on which the rotating shaft is installed, can drive buckle 704 and rotate round the pivot when continuing to install mold core 701, treat that mold core 701 installs the back that targets in place, the one end of installing the pivot of buckle 704 can be adsorbed by permanent magnet 702 and live, and simultaneously, the other end of buckle 704 can block in the screens groove of last mold core 701, thereby can be with last mold core 701 card in cope match-plate pattern 7, first baffle 12 and second baffle 13 can be folded up when injection mold compresses, can avoid having little article to drop to cause the influence among the injection mold.
Claims (6)
1. The utility model provides an injection mold convenient to exhaust can improve injection molding quality, includes back shroud (1), its characterized in that, the side surface of back shroud (1) is installed thimble apron (3), and the both sides that the side surface of back shroud (1) is close to thimble apron (3) all install mould foot (4), the side surface of thimble apron (3) is run through and is installed spring post (5), lower bolster (6) are installed to the one end of spring post (5), the side surface edge of lower bolster (6) is run through and is installed guide post (2), and the side surface of lower bolster (6) installs cope match-plate pattern (7), the side surface of cope match-plate pattern (7) is installed front shroud (8), guide post (2) run through cope match-plate pattern (7) and front shroud (8), the side surface fixed mounting of front shroud (8) has holding ring (9), injection molding channel (10) have been seted up to the inside of holding ring (9), a fan box (11) is mounted on the front surface of the lower template (6), a second baffle (13) is mounted on the upper surface of the rear cover plate (1), a first baffle (12) is mounted on the upper surface of the front cover plate (8), the first baffle (12) is connected with the second baffle (13) through a rotating shaft, a clamping groove (14) is formed in the side surface of the lower template (6), an exhaust plate (15) is embedded and mounted in the clamping groove (14), and a lower mold core (16) is embedded and mounted on one side, close to the exhaust plate (15), of the interior of the clamping groove (14); an exhaust groove (1601) penetrates through the lower mold core (16), and the diameter and the depth of the exhaust groove (1601) on the outer side surface of the lower mold core (16) are smaller than the overflow edge value of the plastic; a ventilation pipe (1501) is installed on one side of the exhaust plate (15), the ventilation pipe (1501) penetrates through the lower die plate (6) and is connected with the fan box (11), a hydraulic rod (1502) is installed inside the exhaust plate (15), a supporting plate (1503) is fixedly installed at one end of the hydraulic rod (1502), a hollow conical pipe (1504) penetrates through the side surface of the supporting plate (1503) and is installed on the side surface, facing the hydraulic rod (1502), of the supporting plate (1503) and is provided with an air inlet hole, and the air inlet hole is communicated with the hollow conical pipe (1504); the diameter of the exhaust groove (1601) on the inner side surface of the lower mold core (16) is larger than that of the exhaust groove (1601) on the outer side surface of the lower mold core (16), and the diameter of the exhaust groove (1601) on the inner side surface of the lower mold core (16) is equal to the diameter of the top end of the hollow conical tube (1504); exhaust groove (1601) are located the one end of lower mold core (16) inboard surface and are seted up fluted (A1), and the venthole of exhaust groove (1601) rotates and installs separation blade (A2), the length of separation blade (A2) equals with the length of recess (A1), recess (A1) and vertical direction form the contained angle, and the angle of contained angle is 15, exhaust groove (1601) are located the venthole inner wall fixed mounting of lower mold core (16) inboard surface and have fixed block (A3).
2. The injection mold convenient to exhaust and capable of improving injection molding quality as claimed in claim 1, wherein the first baffle plate (12) and the second baffle plate (13) are fixedly connected with one end of the upper surfaces of the front cover plate (8) and the rear cover plate (1) through bolts, rotating shafts are installed at two ends of the first baffle plate (12) and the second baffle plate (13), an included angle is formed at the connecting position of the first baffle plate (12) and the second baffle plate (13), the included angle is 160 degrees, and the included angle is upward.
3. The injection mold convenient to exhaust and capable of improving injection molding quality is characterized in that an opening is formed in the surface of the fan box (11), an installation frame (1101) is embedded in the fan box (11), the length of the installation frame (1101) is consistent with that of the opening, storage frames (1102) are installed on two sides of the installation frame (1101) in a penetrating mode, springs (1103) are installed between the storage frames (1102), a fixing plate (1104) is fixedly installed on the upper surface of each storage frame (1102), a sliding groove is formed in the upper surface of each installation frame (1101), and the fixing plate (1104) penetrates through the sliding groove and is connected with the installation frame (1101).
4. An injection mold facilitating exhaust and improving injection molding quality according to claim 3, wherein the sum of the length of the two containing frames (1102) and the length of the compressed spring (1103) is equal to the length of the mounting frame (1101), activated carbon plates are installed inside the containing frames (1102) and the mounting frame (1101), a buckle plate (1105) is fixedly installed on the inner wall of the fan box (11), and the width between the buckle plate (1105) and the inner side wall of the fan box (11) is equal to the width of the containing frame (1102).
5. An injection mold facilitating exhaust and improving injection molding quality according to claim 1, wherein an alternating current motor and a small fan (1106) are installed inside the fan box (11), the alternating current motor is connected with the small fan (1106) through a transmission rod, a switch is installed outside the fan box (11), and the switch is electrically connected with the hydraulic rod (1502) and the alternating current motor.
6. The injection mold of claim 1, wherein the exhaust is facilitated to improve the injection quality, it is characterized in that an upper mold core (701) is embedded and installed on the side surface of the upper mold plate (7) facing the lower mold plate (6), and the side surface of the upper template (7) close to the upper mold core (701) is provided with a side groove (703), a buckle (704) is rotatably arranged in the side groove (703), the length of the buckle (704) is equal to that of the side groove (703), the surface of the upper mold core (701) is provided with a clamping groove, the shape of the clamping groove is consistent with the movable end of the buckle (704), a side plate (705) is fixedly arranged on the side surface of the buckle (704) facing the side groove (703), the buckle (704) is a magnetic metal component, and a permanent magnet (702) is fixedly arranged on one side of the inner part of the upper template (7) close to the side groove (703).
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| CN201810780108.5A CN109016397B (en) | 2018-07-16 | 2018-07-16 | Injection mold convenient to exhaust and capable of improving injection molding quality |
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| CN201810780108.5A CN109016397B (en) | 2018-07-16 | 2018-07-16 | Injection mold convenient to exhaust and capable of improving injection molding quality |
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| CN109016397B true CN109016397B (en) | 2020-09-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111688119B (en) * | 2020-05-14 | 2022-02-18 | 佛山市晫尔模具有限公司 | Injection mold structure |
| CN112384015B (en) * | 2020-11-06 | 2021-07-13 | 浙江大学 | Children mental health growth evaluation instrument |
| CN112589083A (en) * | 2020-11-26 | 2021-04-02 | 荣汉华 | High-precision casting fixture for household article mold convenient to take and pour |
| CN112757581B (en) * | 2020-12-21 | 2022-08-23 | 鹤山市盛美塑料制品有限公司 | PET plastic bottle idiosome injection mold |
| CN112845481B (en) * | 2021-01-07 | 2022-03-25 | 山东风顺制冷科技集团有限公司 | Bidirectional wind direction adjusting equipment of environmental protection equipment |
| CN113246406A (en) * | 2021-06-24 | 2021-08-13 | 山东益源工贸有限公司 | Built-in insert type exhaust mechanism for injection molding machine |
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