CN117445312B - Accurate positioning wall thickness adjusting mechanism of injection mold - Google Patents
Accurate positioning wall thickness adjusting mechanism of injection mold Download PDFInfo
- Publication number
- CN117445312B CN117445312B CN202311732842.1A CN202311732842A CN117445312B CN 117445312 B CN117445312 B CN 117445312B CN 202311732842 A CN202311732842 A CN 202311732842A CN 117445312 B CN117445312 B CN 117445312B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- plate
- mold
- follow
- frame
- 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.)
- Active
Links
- 238000002347 injection Methods 0.000 title claims abstract description 45
- 239000007924 injection Substances 0.000 title claims abstract description 45
- 238000009792 diffusion process Methods 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 30
- 230000007547 defect Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000012856 packing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/308—Adjustable 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
- B29C45/1742—Mounting of moulds; Mould supports
-
- 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
- B29C45/2606—Guiding or centering means
-
- 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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/67—Mould opening, closing or clamping devices hydraulic
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/80—Measuring, controlling or regulating of relative position of mould parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a precise positioning wall thickness adjusting mechanism of an injection mold, and relates to the technical field of injection molds. The precisely-positioned wall thickness adjusting mechanism of the injection mold disclosed by the invention has the advantages that when the first hydraulic cylinder is adjusted according to the size required to be adjusted for the wall thickness of an injection product, the hydraulic cylinder drives the lifting ring to ascend a specified distance on the scale rod, the follow-up lantern ring slides a certain height on the outer side of the telescopic rod, the third hydraulic cylinder drives the resisting plate to contact with the follow-up lantern ring, the position of the follow-up lantern ring is limited through the resisting plate, the second hydraulic cylinder is adjusted to drive the upper mold to ascend, after the upper mold moves to contact with the bottom of the follow-up lantern ring, the distance adjustment between the upper mold and the lower mold is completed, the cavity between the upper mold and the lower mold is sealed by the matching adjusting frame after the adjustment is completed, and the defect effect of injection product caused by leakage of injection raw materials in the injection molding process is avoided.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a precise positioning wall thickness adjusting mechanism of an injection mold.
Background
Injection molding is a method for producing a model of an industrial product, and rubber injection molding and plastic injection molding are generally used for the product, and the injection molding can be divided into an injection molding compression molding method and a die casting method; injection molding machines (simply referred to as injection molding machines or injection molding machines) are the main molding equipment for producing plastic products of various shapes from thermoplastic or thermosetting materials using plastic molding dies, and injection molding is performed by injection molding machines and dies.
In the use process of the existing injection mold, if the wall thickness of a product after injection molding is required to be adjusted, the adjustment of the wall thickness of the product can only be realized by changing the mold, the butt joint position of the upper mold and the lower mold is in a sealing state, and the adjustment of the wall thickness of the injection mold can only be realized by adjusting the height of the butt joint position of the upper mold and the lower mold, so that the wall thickness of the product is adjusted, however, the existing injection mold is generally of a solid structure, the wall thickness adjustment can not be realized by changing the height of the injection cavity, and the use value of the injection mold is reduced.
Disclosure of Invention
The invention discloses a precisely-positioned wall thickness adjusting mechanism of an injection mold, which aims to solve the technical problems that in the use process of the existing injection mold, if the wall thickness of a product after injection molding is required to be adjusted, the adjustment of the wall thickness of the injection mold can only be realized by changing the mold, the butt joint position of an upper mold and a lower mold is in a sealing state, and the adjustment of the wall thickness of the injection mold can only be realized by adjusting the height of the butt joint position of the upper mold and the lower mold, so that the wall thickness of the product is adjusted, however, the existing injection mold is generally of a solid structure, and the wall thickness adjustment can not be realized by changing the height of an injection cavity.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a fine positioning wall thickness adjustment mechanism of injection mold, includes base, last mould and bed die, the top fixedly connected with mounting bracket of base, and the outside fixedly connected with of mounting bracket face below goes up the fixed plate, goes up the bottom fixedly connected with cylinder of fixed plate, the output fixedly connected with lifter plate of cylinder, goes up mould department and is equipped with adjusting component, bed die fixedly connected with is at the top of base, and the top fixedly connected with reference column of bed die, and the top equidistance of going up the mould leaves there is the limiting hole, and the reference column passes adjacent limiting hole inside.
Through being provided with adjusting part, be in under the closed state at bed die and last mould, at first, adjust the three drive of pneumatic cylinder and keep out the board and follow-up lantern ring separation, then carry out the regulation of pneumatic cylinder one according to the required size of adjusting of injection molding wall thickness, the pneumatic cylinder is driven the lifting ring and is risen the appointed distance back at the scale pole, follow-up lantern ring slides certain height in the outside of telescopic link, it is in contact with the follow-up lantern ring to adjust the three drive of pneumatic cylinder again, limit the position of follow-up lantern ring through keeping out the board, adjust the pneumatic cylinder and drive the bed die and rise, after last mould moves to the bottom contact with the follow-up lantern ring, accomplish the distance adjustment between bed die and the bed die, agree with the regulating frame and seal the cavity between bed die after the regulation is accomplished, ensure that injection molding raw and other materials's leakage can not appear in the injection molding production and have the flaw, realize the regulation of wall thickness through this kind of mode, thereby improve the use value of this injection molding die.
In a preferred scheme, the adjusting part includes agreeing with the adjusting frame, and open at the top of last mould has the agreeing with the hole that runs through, agreeing with the adjusting frame and peg graft in the inside in agreeing with the hole, agreeing with the inboard fixedly connected with a plurality of pneumatic cylinders two of adjusting the frame face up the mould top, the output of a plurality of pneumatic cylinders two all fixedly connected with in the top of last mould, agreeing with the adjusting frame and all be equipped with sealed pad with the inboard of last mould contact point.
In a preferred scheme, the bottom fixedly connected with telescopic link of lifter plate, and telescopic link fixedly connected with is in the top of last mould, and the top fixedly connected with follow-up frame of lifter plate, follow-up frame fixedly connected with agree with the top of regulating frame, and the outside sliding connection that the telescopic link is close to the bottom has the follow-up lantern ring.
In a preferred scheme, the top fixedly connected with scale pole of base, and the top fixedly connected with end piece of scale pole, the bottom fixedly connected with pneumatic cylinder one of end piece, the output fixedly connected with lift ring of pneumatic cylinder one, lift ring sliding connection in the outside of scale pole, the outside fixedly connected with of lift ring connects the bent lever, the outside fixedly connected with reference plate of connecting the bent lever, the reference plate is in same height with the follow-up lantern ring, the top fixedly connected with of reference plate and follow-up lantern ring is the same even frame.
In a preferred scheme, the bottom of lifter plate fixedly connected with pneumatic cylinder three, and the output shaft fixedly connected with of pneumatic cylinder three holds the board, holds the board and is located the top of follow-up lantern ring.
In a preferred scheme, the top of the abutting plate is provided with a mounting hole, the inside of the mounting hole is fixedly connected with a contact sensor, and the top of the upper die is provided with an injection hole.
In a preferred embodiment, the lower mold is provided with a filling limiting assembly on the outer side of each positioning column, and the filling limiting assembly comprises an outer pushing ring plate, wherein the outer pushing ring plate is in contact with the top of the lower mold, and the outer pushing ring plate is located on the outer side of the positioning column.
In a preferred scheme, the top of the push-in annular plate is fixedly connected with extrusion spring rods at equal intervals, the tops of the extrusion spring rods are fixedly connected with the same upper contact annular rod, a diffusion air bag is arranged at the push-in annular plate, and the diffusion air bag is located between the push-in annular plate and the positioning column.
In a preferred scheme, the outside of diffusion gasbag is opened there is the exhaust hole, and the inside fixedly connected with blast pipe of exhaust hole, and the outside of blast pipe has the solenoid valve through flange joint, and the outside fixedly connected with of push-in annular plate prescribes a limit to the baffle, prescribes a limit to the baffle and the lateral wall of bed die contacts.
In a preferred scheme, the outside of limiting baffle fixedly connected with pump frame, and the top fixedly connected with air pump of pump frame, the gas-supply end fixedly connected with gas-supply pipe of air pump, the other end grafting of gas-supply pipe is in the inside of diffusion gasbag.
Through being provided with the packing limiting component, after the wall thickness of injection molding is adjusted, there is certain clearance between upper mould and the bed die, will fill limiting component and push into between upper mould and the bed die, push into the outside of ring plate card in the reference column outward, go up the contact ring pole and the bottom contact of upper mould, start the air pump, the air pump carries out gaseous packing to the inside of diffusion gasbag through the gas-supply pipe, make diffusion gasbag rapid expansion, under limiting baffle, push into the baffle, upper mould and bed die's the spacing between upper mould and the bed die outward of diffusion gasbag, the diffusion gasbag is towards the outside expansion diffusion, realize space packing between upper mould and the bed die, the diffusion gasbag cooperatees with last contact ring pole and push into the annular plate outward, realize the packing between upper mould and the bed die, ensure the stability of upper mould and the bed die in the injection molding process.
According to the accurate positioning wall thickness adjusting mechanism of the injection mold, provided by the invention, the hydraulic cylinder III is firstly adjusted to drive the retaining plate to be separated from the follow-up sleeve ring when the lower mold and the upper mold are in a closed state, then the hydraulic cylinder I is adjusted according to the size required to be adjusted for the wall thickness of an injection molding product, the follow-up sleeve ring slides by a certain height outside the telescopic rod after the hydraulic cylinder is driven to rise by a specified distance on the scale rod, the hydraulic cylinder III is again adjusted to drive the retaining plate to be in contact with the follow-up sleeve ring, the position of the follow-up sleeve ring is limited through the retaining plate, the hydraulic cylinder II is adjusted to drive the upper mold to rise, after the upper mold is moved to be in contact with the bottom of the follow-up sleeve ring, the distance adjustment between the upper mold and the lower mold is completed, and after the adjustment is completed, the adjustment frame is matched to seal a cavity between the upper mold and the lower mold, so that the technical effect that the defect of the injection molding product caused by leakage of raw materials in the injection molding process can not occur is ensured.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a precisely-positioned wall thickness adjusting mechanism of an injection mold according to the present invention.
Fig. 2 is a front view of the whole structure of the precisely-positioned wall thickness adjusting mechanism of the injection mold.
Fig. 3 is a schematic diagram of an adjusting assembly of a precisely-positioned wall thickness adjusting mechanism of an injection mold according to the present invention.
Fig. 4 is a cross-sectional view of a fitting adjusting frame structure of a fine positioning wall thickness adjusting mechanism of an injection mold according to the present invention.
Fig. 5 is a cross-sectional view of the upper mold structure of the precisely-positioned wall thickness adjusting mechanism of the injection mold provided by the invention.
Fig. 6 is a schematic view of a fill-limiting assembly of a precisely-positioned wall thickness adjustment mechanism for an injection mold according to the present invention.
Fig. 7 is a partial structure inversion diagram of fig. 6.
In the figure: 1. a base; 2. positioning columns; 3. a lower die; 4. an upper die; 5. a mounting frame; 6. a lifting plate; 7. an upper fixing plate; 8. an adjustment assembly; 801. fitting an adjusting frame; 802. a scale bar; 803. connecting a bent rod; 804. a reference plate; 805. a first hydraulic cylinder; 806. a lifting ring; 807. an end block; 808. a connecting frame; 809. a follow-up frame; 810. a telescopic rod; 811. a second hydraulic cylinder; 812. a follower collar; 813. a sealing gasket; 9. a cylinder; 10. a hydraulic cylinder III; 11. a retaining plate; 12. a touch sensor; 13. filling the defining assembly; 1301. pushing the ring plate outwards; 1302. an upper contact ring bar; 1303. extruding a spring rod; 1304. a diffusion balloon; 1305. defining a baffle; 1306. a pump frame; 1307. an exhaust pipe; 1308. an electromagnetic valve; 1309. a gas pipe; 1310. an air pump.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
The precisely-positioned wall thickness adjusting mechanism of the injection mold disclosed by the invention is mainly applied to the existing injection mold in the use process, if the wall thickness of a product after injection molding is required to be adjusted, the adjustment of the wall thickness of the injection mold can only be realized by changing the mold, the butt joint position of the upper mold and the lower mold is in a sealing state, and the adjustment of the wall thickness of the injection mold can only be realized by adjusting the height of the butt joint position of the upper mold and the lower mold, so that the wall thickness of the product is adjusted, however, the existing injection mold is generally of a solid structure, and the wall thickness adjustment scene can not be realized by changing the height of an injection cavity.
Referring to fig. 1-7, the fine positioning wall thickness adjusting mechanism of the injection mold comprises a base 1, an upper mold 4 and a lower mold 3, wherein the top of the base 1 is fixedly connected with a mounting frame 5, the outer side of the mounting frame 5 facing downwards is fixedly connected with an upper fixing plate 7, the bottom of the upper fixing plate 7 is fixedly connected with a cylinder 9, the output end of the cylinder 9 is fixedly connected with a lifting plate 6, an adjusting component 8 is arranged at the upper mold 4, the lower mold 3 is fixedly connected with the top of the base 1, the top of the lower mold 3 is fixedly connected with a positioning column 2, limiting holes are formed in the top of the upper mold 4 in an equidistant manner, and the positioning column 2 penetrates through the inside of the adjacent limiting holes.
Referring to fig. 1, 2, 3 and 4, in a preferred embodiment, the adjusting assembly 8 includes a fit adjusting frame 801, a through fit hole is formed in the top of the upper mold 4, the fit adjusting frame 801 is inserted into the fit hole, a plurality of hydraulic cylinders two 811 are fixedly connected to the inner side of the top of the fit adjusting frame 801 facing the upper mold 4, output ends of the hydraulic cylinders two 811 are fixedly connected to the top of the upper mold 4, sealing gaskets 813 are respectively arranged on the inner side and the outer side of the contact point between the fit adjusting frame 801 and the upper mold 4, a telescopic rod 810 is fixedly connected to the bottom of the lifting plate 6, the telescopic rod 810 is fixedly connected to the top of the upper mold 4, a follow-up frame 809 is fixedly connected to the top of the upper mold 4, a follow-up sleeve ring 812 is slidably connected to the outer side of the telescopic rod 810 near the bottom, a scale rod 802 is fixedly connected to the top of the base 1, an end block 807 is fixedly connected to the bottom of the hydraulic cylinder one 805, an output end of the hydraulic cylinder one 805 is fixedly connected to the top of the upper mold 4, the lifting ring 805 is fixedly connected to the lifting ring 804, the lifting ring 803 is fixedly connected to the outer side of the same scale rod 803, and the same scale rod 803 is fixedly connected to the top of the upper mold 803 is fixedly connected to the following ring 803, and the following ring 803 is fixedly connected to the top of the upper mold 803.
In a specific application scenario, when the lower die 3 and the upper die 4 are in a closed state, firstly, the hydraulic cylinder three 10 is adjusted to drive the abutting plate 11 to be separated from the follow-up collar 812, then, the hydraulic cylinder one 805 is adjusted according to the size required to be adjusted for the wall thickness of an injection molding product, after the hydraulic cylinder one 805 drives the lifting ring 806 to ascend a specified distance on the scale bar 802, the follow-up collar 812 slides at a certain height on the outer side of the telescopic rod 810, the hydraulic cylinder three 10 is adjusted again to drive the abutting plate 11 to be in contact with the follow-up collar 812, the position of the follow-up collar 812 is limited by the abutting plate 11, the hydraulic cylinder two 811 is adjusted to drive the upper die 4 to ascend, after the upper die 4 is moved to be in contact with the bottom of the follow-up collar 812, the distance between the upper die 4 and the lower die 3 is adjusted, after the adjustment is completed, the adjustment frame 801 is matched to seal a cavity between the upper die 4 and the lower die 3, and the defect that the injection molding product is caused by leakage of injection molding raw materials in the injection molding process is avoided in the injection molding process is ensured, and the use value of the injection molding die is improved.
Referring to fig. 1, 3, 4 and 5, in a preferred embodiment, the bottom of the lifting plate 6 is fixedly connected with a hydraulic cylinder three 10, an output shaft of the hydraulic cylinder three 10 is fixedly connected with a retaining plate 11, the retaining plate 11 is located above the follow-up collar 812, a mounting hole is formed in the top of the retaining plate 11, a contact sensor 12 is fixedly connected to the inside of the mounting hole, and an injection hole is formed in the top of the upper die 4.
Referring to fig. 1, 2, 6 and 7, in a preferred embodiment, the outer side of the lower mold 3 at each positioning column 2 is provided with a filling limiting assembly 13, and the filling limiting assembly 13 includes an outer push-in ring plate 1301, the outer push-in ring plate 1301 contacts with the top of the lower mold 3, the outer push-in ring plate 1301 is located at the outer side of the positioning column 2, the top of the outer push-in ring plate 1301 is fixedly connected with a pressing spring rod 1303 at equal distance, the tops of the pressing spring rods 1303 are fixedly connected with the same upper contact ring rod 1302, a diffusion air bag 1304 is arranged at the outer push-in ring plate 1301, and the diffusion air bag 1304 is located between the push-in ring plate and the positioning column 2.
In the invention, an exhaust hole is formed on the outer side of a diffusion airbag 1304, an exhaust pipe 1307 is fixedly connected to the inner side of the exhaust hole, an electromagnetic valve 1308 is connected to the outer side of the exhaust pipe 1307 through a flange, a limiting baffle 1305 is fixedly connected to the outer side of an outer pushing ring plate 1301, the limiting baffle 1305 is contacted with the side wall of a lower mold 3, a pump frame 1306 is fixedly connected to the outer side of the limiting baffle 1305, an air pump 1310 is fixedly connected to the top of the pump frame 1306, an air pipe 1309 is fixedly connected to the air end of the air pump 1310, and the other end of the air pipe 1309 is inserted into the diffusion airbag 1304.
Specifically, after the wall thickness of the injection product is adjusted, a certain gap exists between the upper mold 4 and the lower mold 3, the filling limiting assembly 13 is pushed into the space between the upper mold 4 and the lower mold 3, the push-in ring plate 1301 is clamped at the outer side of the positioning column 2, the upper contact ring rod 1302 is in contact with the bottom of the upper mold 4, the air pump 1310 is started, the air pump 1310 fills air into the diffusion air bag 1304 through the air pipe 1309, so that the diffusion air bag 1304 is rapidly expanded, the expansion direction of the diffusion air bag 1304 is only the space between the upper mold 4 and the lower mold 3 under the blocking of the limiting baffle 1305, the push-in ring plate 1301, the upper mold 4 and the lower mold 3, the diffusion air bag 1304 expands and diffuses outwards, the space between the upper mold 4 and the lower mold 3 is filled, the diffusion air bag 1304 is matched with the upper contact ring rod 1302 and the push-in ring plate 1301, the filling between the upper mold 4 and the lower mold 3 is realized, and the stability of the upper mold 4 and the lower mold 3 in the injection process is ensured.
Working principle: when in use, the adjusting cylinder 9 drives the upper die 4 to press down so that the upper die 4 contacts with the lower die 3, the lower die 3 and the upper die 4 are in a closed state, firstly, the hydraulic cylinder III 10 is adjusted to drive the retaining plate 11 to be separated from the follow-up collar 812, then the hydraulic cylinder I805 is adjusted according to the size required to be adjusted according to the wall thickness of the injection product, after the hydraulic cylinder I805 drives the lifting ring 806 to ascend a specified distance on the scale bar 802, the follow-up collar 812 slides a certain height on the outer side of the telescopic rod 810, the hydraulic cylinder III 10 is adjusted again to drive the retaining plate 11 to contact with the follow-up collar 812, the position of the follow-up collar 812 is limited by the retaining plate 11, the hydraulic cylinder II 811 is adjusted to drive the upper die 4 to ascend, after the upper die 4 moves to contact with the bottom of the follow-up collar 812, the distance adjustment between the upper die 4 and the lower die 3 is completed, when the wall thickness of the injection product is adjusted, a certain gap exists between the upper die 4 and the lower die 3, the filling limiting assembly 13 is pushed into the space between the upper die 4 and the lower die 3, the push-in ring plate 1301 is clamped on the outer side of the positioning column 2, the upper contact ring rod 1302 is in contact with the bottom of the upper die 4, the air pump 1310 is started, the air pump 1310 fills air into the diffusion air bag 1304 through the air pipe 1309, the diffusion air bag 1304 is enabled to expand rapidly, the expansion direction of the diffusion air bag 1304 is only the space between the upper die 4 and the lower die 3 under the blocking of the limiting baffle 1305, the push-in ring plate 1301, the upper die 4 and the lower die 3, the diffusion air bag 1304 expands and diffuses outwards, the space between the upper die 4 and the lower die 3 is filled, and after the upper die 4 and the lower die 3 are adjusted stably, the injection molding operation is started.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. The precise positioning wall thickness adjusting mechanism of the injection mold comprises a base (1), an upper mold (4) and a lower mold (3), and is characterized in that the top of the base (1) is fixedly connected with a mounting frame (5), the outer side of the mounting frame (5) facing downwards is fixedly connected with an upper fixing plate (7), the bottom of the upper fixing plate (7) is fixedly connected with a cylinder (9), the output end of the cylinder (9) is fixedly connected with a lifting plate (6), an adjusting component (8) is arranged at the upper mold (4), the lower mold (3) is fixedly connected with the top of the base (1), the top of the lower mold (3) is fixedly connected with a positioning column (2), limiting holes are formed in the top of the upper mold (4) in an equidistant manner, and the positioning column (2) penetrates through the inner parts of adjacent limiting holes;
the adjusting assembly (8) comprises a fit adjusting frame (801), a penetrating fit hole is formed in the top of the upper die (4), the fit adjusting frame (801) is inserted into the fit hole, a plurality of second hydraulic cylinders (811) are fixedly connected to the inner side of the top of the upper die (4) facing the fit adjusting frame (801), output ends of the second hydraulic cylinders (811) are fixedly connected to the top of the upper die (4), and sealing gaskets (813) are arranged on the inner side and the outer side of contact points of the fit adjusting frame (801) and the upper die (4);
the bottom of the lifting plate (6) is fixedly connected with a telescopic rod (810), the telescopic rod (810) is fixedly connected to the top of the upper die (4), the top of the lifting plate (6) is fixedly connected with a follow-up frame (809), the follow-up frame (809) is fixedly connected to the top of the fit adjusting frame (801), and the outer side, close to the bottom end, of the telescopic rod (810) is slidably connected with a follow-up collar (812);
the top of the base (1) is fixedly connected with a scale bar (802), the top of the scale bar (802) is fixedly connected with an end block (807), the bottom of the end block (807) is fixedly connected with a first hydraulic cylinder (805), the output end of the first hydraulic cylinder (805) is fixedly connected with a lifting ring (806), the lifting ring (806) is slidably connected to the outer side of the scale bar (802), the outer side of the lifting ring (806) is fixedly connected with a connecting bent rod (803), the outer side of the connecting bent rod (803) is fixedly connected with a reference plate (804), the reference plate (804) and a follow-up lantern ring (812) are located at the same height, and the tops of the reference plate (804) and the follow-up lantern ring (812) are fixedly connected with the same connecting frame (808);
the bottom of the lifting plate (6) is fixedly connected with a third hydraulic cylinder (10), an output shaft of the third hydraulic cylinder (10) is fixedly connected with a retaining plate (11), and the retaining plate (11) is positioned above the follow-up lantern ring (812);
the top of the abutting plate (11) is provided with a mounting hole, the inside of the mounting hole is fixedly connected with a contact sensor (12), and the top of the upper die (4) is provided with an injection hole;
the outer side of the lower die (3) at each positioning column (2) is provided with a filling limiting assembly (13), the filling limiting assembly (13) comprises an outer pushing ring plate (1301), the outer pushing ring plate (1301) is in contact with the top of the lower die (3), and the outer pushing ring plate (1301) is positioned at the outer side of the positioning column (2);
the top of the push-in annular plate (1301) is fixedly connected with extrusion spring rods (1303) at equal intervals, the tops of the extrusion spring rods (1303) are fixedly connected with the same upper contact annular rod (1302), a diffusion air bag (1304) is arranged at the push-in annular plate (1301), and the diffusion air bag (1304) is positioned between the push-in annular plate and the positioning column (2);
the outside of diffusion gasbag (1304) is opened there is the exhaust hole, and the inside fixedly connected with blast pipe (1307) of exhaust hole, and the outside of blast pipe (1307) is through flange joint there being solenoid valve (1308), and the outside fixedly connected with of push-in annular plate (1301) is limited baffle (1305), and the lateral wall that is limited baffle (1305) and bed die (3) contacts.
2. The precise positioning wall thickness adjusting mechanism of the injection mold according to claim 1, wherein a pump frame (1306) is fixedly connected to the outer side of the limiting baffle plate (1305), an air pump (1310) is fixedly connected to the top of the pump frame (1306), an air pipe (1309) is fixedly connected to the air delivery end of the air pump (1310), and the other end of the air pipe (1309) is inserted into the diffusion airbag (1304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311732842.1A CN117445312B (en) | 2023-12-18 | 2023-12-18 | Accurate positioning wall thickness adjusting mechanism of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311732842.1A CN117445312B (en) | 2023-12-18 | 2023-12-18 | Accurate positioning wall thickness adjusting mechanism of injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117445312A CN117445312A (en) | 2024-01-26 |
| CN117445312B true CN117445312B (en) | 2024-02-23 |
Family
ID=89595122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311732842.1A Active CN117445312B (en) | 2023-12-18 | 2023-12-18 | Accurate positioning wall thickness adjusting mechanism of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117445312B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113841479A (en) * | 2021-11-09 | 2021-12-28 | 安徽农业大学 | Capsule-shaped potato seed mold with adjustable wall thickness and use method |
| CN217258177U (en) * | 2022-03-30 | 2022-08-23 | 南通禾田工具有限公司 | Constant temperature type high strength electric tool injection mold |
| CN219133068U (en) * | 2022-12-30 | 2023-06-06 | 山东博优机械科技股份有限公司 | Injection mold with adjustable injection thickness |
| CN116922699A (en) * | 2023-09-14 | 2023-10-24 | 苏州华纳精密模具有限公司 | Injection mold and injection method for accurately adjusting thickness of mold cavity |
| CN116968275A (en) * | 2023-07-28 | 2023-10-31 | 台州黄岩优特模具有限公司 | Quick demolding mechanism and method for injection mold |
-
2023
- 2023-12-18 CN CN202311732842.1A patent/CN117445312B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113841479A (en) * | 2021-11-09 | 2021-12-28 | 安徽农业大学 | Capsule-shaped potato seed mold with adjustable wall thickness and use method |
| CN217258177U (en) * | 2022-03-30 | 2022-08-23 | 南通禾田工具有限公司 | Constant temperature type high strength electric tool injection mold |
| CN219133068U (en) * | 2022-12-30 | 2023-06-06 | 山东博优机械科技股份有限公司 | Injection mold with adjustable injection thickness |
| CN116968275A (en) * | 2023-07-28 | 2023-10-31 | 台州黄岩优特模具有限公司 | Quick demolding mechanism and method for injection mold |
| CN116922699A (en) * | 2023-09-14 | 2023-10-24 | 苏州华纳精密模具有限公司 | Injection mold and injection method for accurately adjusting thickness of mold cavity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117445312A (en) | 2024-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104602894B (en) | The fixing means of blow mold assembly, blow-moulding machine and blow mold assembly | |
| CN102125953A (en) | Dual-station expanding machine for special-shaped pipe with variable cross sections | |
| CN205085209U (en) | Vertical many ripples of major diameter bellows one -time forming machine | |
| KR101231198B1 (en) | Method of shaping container bodies and corresponding apparatus | |
| CN107053717B (en) | Vacuum-pumping tire segmented mold | |
| CN117445312B (en) | Accurate positioning wall thickness adjusting mechanism of injection mold | |
| CN106270103A (en) | A kind of internal high pressure forming die and using method thereof | |
| CN106363879A (en) | Telescopic helve | |
| KR20040068676A (en) | High Pressure Bellows Forming Device and High Pressure Bellows Forming Method using thereof | |
| CN2579650Y (en) | Pneumatic thermal forming mould for producing plastic utensils with anti-scald bowl leg | |
| CN206104634U (en) | Interior high -pressure forming die | |
| CN205818309U (en) | A kind of footwear mould bases hold down gag for automatization's shoe production line | |
| CN209755826U (en) | Exhaust device of mould | |
| CN219505285U (en) | PTFE isostatic forming die resistant to 30MPa high pressure | |
| CN210011247U (en) | Automobile door plate injection mold | |
| CN201677500U (en) | Boosting mold-locking system of fully automatic blow molding machine | |
| CN220864631U (en) | Vacuum die seal-drawing structure | |
| CN106273377B (en) | A kind of production mould and die casting machine of automobile air conditioner compressor oil sealing | |
| JP3367817B2 (en) | Powder molding press | |
| CN211360628U (en) | Split type precision mold device | |
| CN116394474B (en) | Mould is used in production of car central channel processing | |
| CN204658834U (en) | A kind of Novel low-pressure injection molding mold | |
| CN219360214U (en) | Easily-demoulded mobile phone shell injection mold | |
| CN208743454U (en) | A kind of thermal state metal pipe part air-pressure forming mold | |
| CN221184652U (en) | Die casting device for metal special-shaped piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |