CN114147918B - Multistation injection moulding mould - Google Patents
Multistation injection moulding mould Download PDFInfo
- Publication number
- CN114147918B CN114147918B CN202111500074.8A CN202111500074A CN114147918B CN 114147918 B CN114147918 B CN 114147918B CN 202111500074 A CN202111500074 A CN 202111500074A CN 114147918 B CN114147918 B CN 114147918B
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- fixedly connected
- clamping unit
- lower die
- plate
- rod
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 238000007790 scraping Methods 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 13
- 239000004033 plastic Substances 0.000 abstract description 23
- 229920003023 plastic Polymers 0.000 abstract description 23
- 239000002991 molded plastic Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000010405 clearance mechanism Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000519995 Stachys sylvatica Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
- B29C45/1753—Cleaning or purging, e.g. of the injection unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C2045/4063—Removing or ejecting moulded articles preventing damage to articles caused by the ejector
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the field of dies, in particular to a multi-station injection molding die which comprises an upper die clamping unit and a lower die clamping unit, wherein the upper die clamping unit is positioned right above the lower die clamping unit, the upper die clamping unit is matched with the lower die clamping unit, a plurality of ejector rod mechanisms are arranged in the lower die clamping unit, four cleaning mechanisms which are distributed in a ring shape are arranged in the ejector rod mechanisms, a buffer mechanism is arranged on the lower die clamping unit, an auxiliary mechanism is arranged between the upper die clamping unit and the lower die clamping unit and is used for solving the problem that PC and PVC plastics are easy to bond in a lower die cavity, a plurality of groups of ejector pins in the ejector mechanisms are required to be arranged during demolding, a stress surface is smaller, a white point is formed on a lower molded plastic surface during ejection, the product quality is influenced, and a flat gap between the ejector pins and the lower die is easy to bond residues, the movement of the ejector pins and the quality of the lower molded plastic surface are influenced, and the production efficiency is often influenced by manual cleaning.
Description
Technical Field
The invention relates to the field of molds, in particular to a multi-station injection molding mold.
Background
The plastic is heated and melted in a heating charging barrel of the injection molding machine, then enters a mold cavity through a nozzle and a pouring system of the mold under the pushing of a screw rod or a piston of the injection molding machine, and finally is hardened and shaped in the cavity, which is a simple injection molding process, the mold used for injection molding is called an injection molding mold, the injection molding mold is divided into an upper mold, a lower mold and an ejection mechanism, and the injection molded plastic is ejected out through a plurality of groups of ejector pins in the ejection mechanism after the plastic in the cavity of the existing injection molding mold is hardened.
However, the existing injection molding mold still has certain defects, especially when plastics such as PC or PVC are required to be injected, because the PC and the PVC plastics are easy to bond in the cavity of the lower mold, a plurality of groups of ejector pins in the ejection mechanism are required to be arranged during demolding, because the stress surface is smaller and is easy to cause the molded plastic lower molding surface to form white spots during ejection, the product quality is influenced, and the clearance between the ejector pins and the flat surface of the lower mold is easy to bond residual materials, the movement of the ejector pins and the quality of the molded plastic lower molding surface are influenced, and the production efficiency is often influenced because the ejector pins are often required to be cleaned manually.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a multi-station injection molding die.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a multistation injection moulding mould, includes compound die unit and lower compound die unit, go up compound die unit and be located the compound die unit under and just above, and go up compound die unit and lower compound die unit and cooperate, be equipped with a plurality of ejector pin mechanisms in the compound die unit down, be equipped with four clearance mechanisms that are annular distribution in the ejector pin mechanism, be equipped with buffer gear on the compound die unit down, be equipped with auxiliary mechanism between compound die unit and the compound die unit down.
Specifically, lower compound die unit includes bed die, a plurality of chamber of moulding plastics, places chamber, a plurality of cylinder and a plurality of square board, the chamber of moulding plastics is seted up at the bed die upper surface, and has seted up a plurality of through-holes between the chamber of moulding plastics and placing the chamber, the cylinder with place the bottom inner wall fixed connection in chamber, the ejector pin and the square board fixed connection that correspond of cylinder, ejector pin mechanism and the through-hole tight fit that corresponds.
Specifically, ejector pin mechanism includes montant, first spacing groove, gag lever post, connection platform, four limiting plates, accessory plate and head rod, the montant is connected with the last fixed surface of the square board that corresponds, first spacing groove is established on the top of montant, the inner wall in first spacing groove and the outside sliding connection of gag lever post, the top and the lower fixed surface of connection platform of gag lever post are connected, four the limiting plate be annular distribution and the outside fixed connection of connection platform, the accessory plate includes first annular plate, second spacing groove and second annular plate, first annular plate and second annular plate fixed connection, the outside at first annular plate is seted up to the second spacing groove, the inner wall in second spacing groove and the outside sliding connection of the limiting plate that corresponds, the second annular plate is connected with the montant through the rotation, the upper surface of accessory plate flushes with the bottom inner wall of the cavity of moulding plastics that corresponds.
Specifically, clearance mechanism includes standing groove, ring channel, scraper blade, two first connecting blocks, two first springs, two second connecting blocks and two second connecting rods under the compression state, the standing groove link up mutually with the ring channel, the inner wall sliding connection of scraper blade and ring channel, the inner wall fixed and two first connecting block fixed connection of standing groove, first connecting block and the first spring fixed connection that corresponds, second connecting block and the second connecting rod fixed connection that corresponds, second connecting rod and scraper blade fixed connection.
Specifically, buffer gear includes a plurality of circular grooves, a plurality of second spring and a plurality of rubber piece, the inside fixed connection in bottom in second spring and the circular groove that corresponds, the bottom fixed connection in second spring and the rubber piece that corresponds, the outside and the inner wall sliding connection in the circular groove that corresponds of rubber piece.
Specifically, the auxiliary mechanism comprises two rectangular grooves and two vertical plates, wherein the two rectangular grooves are symmetrically formed in the upper surface of the lower die, the upper surfaces of the vertical plates are fixedly connected with the lower surface of the upper die clamping unit, and the outer sides of the vertical plates are in sliding connection with the inner walls of the corresponding rectangular grooves.
The invention has the beneficial effects that:
(1) According to the multi-station injection molding die, after PC or PVC plastic is injection molded, the auxiliary plate and the connecting table on the ejector rod mechanism move upwards together to separate from the injection cavity of the lower die, the auxiliary plate moves around in a ring shape in the jacking process, the ejection stress area between the auxiliary plate and the connecting table and between the auxiliary plate and the injection molding plastic is increased, the pressure between the ejector rod mechanism and the injection molding plastic is reduced, the lower molding surface of the molding plastic is not damaged, and the use quantity of ejector pins is reduced.
(2) According to the multi-station injection molding die, the cleaning mechanism is arranged, after injection molding, the ejector rod mechanism drives the cleaning mechanism to move upwards, the scraping plate in the cleaning mechanism moves upwards, when the scraping plate loses external force constraint, the spring drives the scraping plate to expand, when the ejector rod mechanism resets, the scraping plate on the cleaning mechanism is driven to move downwards to clean the gap between the ejector rod mechanism and the flat surface of the injection cavity of the lower die, residual waste is scraped, manual scraping is not needed, and production efficiency is effectively improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of a multi-station injection molding mold provided by the invention;
FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;
FIG. 3 is an enlarged schematic view of FIG. 2A;
FIG. 4 is a schematic cross-sectional view of B-B of FIG. 2;
FIG. 5 is a schematic view of a push rod mechanism;
FIG. 6 is a schematic diagram of the operation of the ejector pin mechanism and the cleaning mechanism;
FIG. 7 is a schematic view of a partial explosion of the ejector pin mechanism;
FIG. 8 is an exploded view of the cleaning mechanism;
fig. 9 is an enlarged schematic view of B in fig. 8.
In the figure: 1. an upper die assembly unit; 2. a lower die assembly unit; 21. a lower die; 22. an injection cavity; 23. a placement cavity; 24. a cylinder; 25. a square plate; 3. a push rod mechanism; 31. a vertical rod; 32. a first limit groove; 33. a limit rod; 34. a connection station; 35. a limiting plate; 36. an auxiliary plate; 361. a first annular plate; 362. the second limit groove; 363. a second annular plate; 37. a first connecting rod; 4. a cleaning mechanism; 41. a placement groove; 42. an annular groove; 43. a scraper; 44. a first connection block; 45. a first spring; 46. a second connection block; 47. a second connecting rod; 5. a buffer mechanism; 51. a circular groove; 52. a second spring; 53. a rubber block; 6. an auxiliary mechanism; 61. rectangular grooves; 62. a vertical plate.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-9, the multi-station injection molding mold of the invention comprises an upper mold clamping unit 1 and a lower mold clamping unit 2, wherein the upper mold clamping unit 1 is positioned right above the lower mold clamping unit 2, the upper mold clamping unit 1 is matched with the lower mold clamping unit 2, a plurality of ejector rod mechanisms 3 are arranged in the lower mold clamping unit 2, four cleaning mechanisms 4 distributed in a ring shape are arranged in the ejector rod mechanisms 3, a buffer mechanism 5 is arranged on the lower mold clamping unit 2, an auxiliary mechanism 6 is arranged between the upper mold clamping unit 1 and the lower mold clamping unit 2, the auxiliary mechanism 6 can ensure that the upper mold clamping unit 1 and the lower mold clamping unit 2 are accurately clamped by each other, the buffer mechanism 5 is arranged to prevent hard contact between the upper mold clamping unit 1 and the lower mold clamping unit 2, so that the joint surface between the upper mold clamping unit 1 and the lower mold clamping unit 2 is damaged, molten plastics are injected into a plurality of injection molding cavities 22, after the injection molding molten plastics are cooled and molded in the injection molding cavities 22, the upper mold clamping unit 1 is separated from the lower mold clamping unit 2, a molding scraper 43 in the injection molding cavity 22 is scraped by the ejector rod mechanisms 3, the ejector rod mechanisms 4 are moved to the corresponding scraping mechanism 3 when the upper scraper 43 in the injection molding cavity 22 is moved to the upper mold clamping unit 4, and the scraper 43 is moved to the corresponding distance between the scraper 3 and the lower scraper 3 is ejected by the scraper mechanism when the scraper 3 is ejected from the lower scraper mechanism.
The lower die clamping unit 2 comprises a lower die 21, a plurality of injection molding cavities 22, a placing cavity 23, a plurality of air cylinders 24 and a plurality of square plates 25, wherein the injection molding cavities 22 are formed in the upper surface of the lower die 21, a plurality of through holes are formed between the injection molding cavities 22 and the placing cavity 23, the air cylinders 24 are fixedly connected with the inner walls of the bottoms of the placing cavities 23, ejector rods of the air cylinders 24 are fixedly connected with the corresponding square plates 25, the ejector rod mechanisms 3 are tightly matched with the corresponding through holes, the injection molding cavities 22 are arranged to enable the injection molding dies to perform injection molding for a plurality of components at a time, the production efficiency is improved, the air cylinders 24 drive the ejector rod mechanisms 3 to move up and down through the square plates 25, and the arrangement of the through holes is convenient for the movement of the ejector rod mechanisms 3.
The ejector rod mechanism 3 comprises a vertical rod 31, a first limit groove 32, a limit rod 33, a connecting table 34, four limit plates 35, an auxiliary plate 36 and a first connecting rod 37, wherein the vertical rod 31 is fixedly connected with the upper surface of a corresponding square plate 25, the first limit groove 32 is arranged at the top end of the vertical rod 31, the inner wall of the first limit groove 32 is in sliding connection with the outer side of the limit rod 33, the top end of the limit rod 33 is fixedly connected with the lower surface of the connecting table 34, the four limit plates 35 are annularly distributed and fixedly connected with the outer side of the connecting table 34, the auxiliary plate 36 comprises a first annular plate 361, a second limit groove 362 and a second annular plate 363, the first annular plate 361 and the second annular plate 363 are fixedly connected, the second limit groove 362 is arranged at the outer side of the first annular plate 361, the inner wall of the second limit groove 362 is in sliding connection with the outer side of the corresponding limit plate 35, the second annular plate 363 is rotationally connected with the vertical rod 31 through the first connecting rod 37, the upper surface of the auxiliary plate 36 is flush with the bottom inner wall of the corresponding injection cavity 22, when in use, the ejector rod of the air cylinder 24 drives the corresponding square plate 25 to move, the square plate 25 drives the vertical rod 31 to move, under the condition that the vertical rod 31 is restrained by the first connecting rod 37 and the through hole on the auxiliary plate 36, the vertical rod 31 drives the auxiliary plate 36 to move upwards, the auxiliary plate 36 drives the connecting table 34 to move together through the limiting plate 35, when the auxiliary plate 36 jacks up the injection molded plastic, when the lower surface of the auxiliary plate 36 passes over the bottom inner wall of the injection cavity 22, the connecting table 34 receives the pressure of the molded plastic and the self weight of the plastic, so that the connecting table 34 moves downwards, the connecting table 34 drives the limiting rod 33 to move downwards, the limiting rod 33 stops moving downwards under the restraint of the first limiting groove 32 when the lower end of the limiting rod 33 contacts with the bottom inner wall of the first limiting groove 32, the process of the downward movement of the connecting table 34 drives the auxiliary plate 36 to move downward under the constraint of the limiting plate 35 and the second limiting groove 362, the first connecting rod 37 is extruded in the process of the downward movement of the auxiliary plate 36, the first connecting rod 37 drives the auxiliary plate 36 to expand, the stress area between the auxiliary plate 36 and the lower surface of the connecting table 34 and injection molding plastic is increased, the injection molding plastic is stably demolded, after the demolding is completed, the cylinder 24 drives the vertical rod 31 to move downward through the square plate 25, the first connecting rod 37 is retracted inwards due to the arrangement of the square hole, the first connecting rod 37 drives the auxiliary plate 36 to move towards the connecting table 34 while the first connecting rod 37 is retracted inwards, and after the connecting table 34 and the auxiliary plate 36 are in close contact, the cylinder 24 continues to work, so that the connecting table 34 and the auxiliary plate 36 are flush with the bottom inner wall of the injection molding cavity 22.
The cleaning mechanism 4 comprises a placing groove 41, an annular groove 42, a scraping plate 43, two first connecting blocks 44, two first springs 45 in a compressed state, two second connecting blocks 46 and two second connecting rods 47, wherein the placing groove 41 is communicated with the annular groove 42, the scraping plate 43 is in sliding connection with the inner wall of the annular groove 42, the inner wall of the placing groove 41 is fixedly connected with the two first connecting blocks 44, the first connecting blocks 44 are fixedly connected with the corresponding first springs 45, the second connecting blocks 46 are fixedly connected with the corresponding second connecting rods 47, the second connecting rods 47 are fixedly connected with the scraping plate 43, when the auxiliary plate 36 is not separated from the through hole, the scraping plate 43 is always constrained by the through hole and cannot pop out, when the scraping plate 43 loses constraint, the first springs 45, the second connecting rods 47 drive the scraping plate 43 to move outwards, after demoulding is completed, the connecting table 34 moves downwards and the auxiliary plate 36 to be in contact with the auxiliary plate 36, and the scraping plate 43 is in contact with the through hole until the top of the auxiliary plate 43, and the auxiliary plate 43 is in contact with the through hole, and the top of the scraping plate 43 is in contact with the through hole when the auxiliary plate 43 is in contact with the top of the through hole, and the top of the auxiliary plate 43 is in contact with the through hole when the auxiliary plate 43 is in contact with the top of the top 43.
The buffer mechanism 5 comprises a plurality of circular grooves 51, a plurality of second springs 52 and a plurality of rubber blocks 53, wherein the second springs 52 are fixedly connected with the bottoms of the corresponding circular grooves 51, the second springs 52 are fixedly connected with the bottoms of the corresponding rubber blocks 53, the outer sides of the rubber blocks 53 are slidably connected with the inner walls of the corresponding circular grooves 51, when the upper die clamping unit 1 and the lower die clamping unit 2 are used for die clamping, the rubber blocks 53 are extruded and moved downwards in the process of moving the upper die clamping unit 1, the rubber blocks 53 are extruded and moved downwards, and the rubber blocks 53 extrude the second springs 52 until the upper die clamping unit 1 and the lower die clamping unit 2 are clamped, so that hard collision between the upper die clamping unit 1 and the lower die clamping unit 2 is prevented.
The auxiliary mechanism 6 comprises two rectangular grooves 61 and two vertical plates 62, the two rectangular grooves 61 are symmetrically formed on the upper surface of the lower die 21, the upper surface of the vertical plate 62 is fixedly connected with the lower surface of the upper die clamping unit 1, the outer side of the vertical plate 62 is in sliding connection with the inner wall of the corresponding rectangular groove 61, and when the auxiliary mechanism is used, the upper die clamping unit 1 can only move up and down under the constraint of the rectangular grooves 61 and the vertical plates 62 without dislocation.
Working principle: when injection molding is needed, the upper die clamping unit 1 and the lower die clamping unit 2 are mutually clamped, the auxiliary mechanism 6 can ensure that the upper die clamping unit 1 and the lower die clamping unit 2 are accurately clamped, the buffer mechanism 5 is arranged to prevent hard contact between the upper die clamping unit 1 and the lower die clamping unit 2, the joint surface between the upper die clamping unit 1 and the lower die clamping unit 2 is damaged, molten plastics are injected into a plurality of injection cavities 22, after the injection molten plastics are cooled and molded in the injection cavities 22, the upper die clamping unit 1 and the lower die clamping unit 2 are separated, the ejector rod of the air cylinder 24 drives the corresponding square plate 25 to move, the square plate 25 drives the vertical rod 31 to move, under the condition that the vertical rod 31 is restrained by the first connecting rod 37 and the through hole on the auxiliary plate 36, the vertical rod 31 drives the auxiliary plate 36 to move upwards, the auxiliary plate 36 drives the connecting table 34 to move together through the limiting plate 35, when the auxiliary plate 36 jacks up the injection molded plastics, when the auxiliary plate 36 is not separated from the through hole, the scraping plate 43 is always constrained by the through hole and cannot pop out, when the lower surface of the auxiliary plate 36 passes over the bottom inner wall of the injection cavity 22, the scraping plate 43 loses constraint, the first spring 45 is reset, the first spring 45 drives the second connecting rod 47 to move through the second connecting block 46, the second connecting rod 47 drives the scraping plate 43 to move outwards, after demoulding is completed, the connecting table 34 and the auxiliary plate 36 move downwards and are tightly attached to each other, the connecting table 34 receives the pressure of formed plastic and self weight, so that the connecting table 34 moves downwards, the connecting table 34 drives the limiting rod 33 to move downwards, the limiting rod 33 stops moving downwards under the constraint of the first limiting groove 32 when the lower end of the limiting rod 33 contacts with the bottom inner wall of the first limiting groove 32, the process of the downward movement of the connecting table 34 drives the auxiliary plate 36 to move downward under the constraint of the limiting plate 35 and the second limiting groove 362, the first connecting rod 37 is extruded in the process of the downward movement of the auxiliary plate 36, the first connecting rod 37 drives the auxiliary plate 36 to expand, the stress area between the auxiliary plate 36 and the lower surface of the connecting table 34 and injection molding plastic is increased, stable demolding of the injection molding plastic is achieved, after demolding is completed, the cylinder 24 drives the vertical rod 31 to move downward through the square plate 25, the first connecting rod 37 is retracted inwards due to the arrangement of the square holes, the first connecting rod 37 drives the auxiliary plate 36 to move towards the connecting table 34 while the first connecting rod 37 is retracted inwards, after the connecting table 34 and the auxiliary plate 36 are in close contact, the cylinder 24 continues to operate, at the moment, the edge of the scraper 43 is out of the through hole, the scraper 43 is contacted with the top edge of the through hole when the connecting table 34 and the auxiliary plate 36 continue to move downward until the initial state, the scraper 43 scrapes the residual material on the top edge of the through hole, the scraper 43 extrudes the first spring 45 until the scraper 43 is attached to the initial state and the scraper 43 is attached to the bottom of the annular groove 34 and the bottom of the auxiliary plate 34 is flush with the inner wall of the cavity 22.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a multistation injection moulding mould, includes compound die unit (1) and lower compound die unit (2), its characterized in that: the upper die assembly unit (1) is positioned right above the lower die assembly unit (2), the upper die assembly unit (1) is matched with the lower die assembly unit (2), a plurality of ejector rod mechanisms (3) are arranged in the lower die assembly unit (2), four cleaning mechanisms (4) which are distributed in an annular mode are arranged in the ejector rod mechanisms (3), a buffer mechanism (5) is arranged on the lower die assembly unit (2), and an auxiliary mechanism (6) is arranged between the upper die assembly unit (1) and the lower die assembly unit (2);
the lower die assembly unit (2) comprises a lower die (21), a plurality of injection cavities (22), a placement cavity (23), a plurality of air cylinders (24) and a plurality of square plates (25), wherein the injection cavities (22) are formed in the upper surface of the lower die (21), a plurality of through holes are formed between the injection cavities (22) and the placement cavity (23), the air cylinders (24) are fixedly connected with the inner walls of the bottoms of the placement cavities (23), ejector rods of the air cylinders (24) are fixedly connected with the corresponding square plates (25), and the ejector rod mechanisms (3) are tightly matched with the corresponding through holes;
the ejector rod mechanism (3) comprises a vertical rod (31), a first limit groove (32), a limit rod (33), a connecting table (34), four limit plates (35), an auxiliary plate (36) and a first connecting rod (37), wherein the vertical rod (31) is fixedly connected with the upper surface of a corresponding square plate (25), the first limit groove (32) is formed in the top end of the vertical rod (31), the inner wall of the first limit groove (32) is slidably connected with the outer side of the limit rod (33), the top end of the limit rod (33) is fixedly connected with the lower surface of the connecting table (34), the four limit plates (35) are annularly distributed and are fixedly connected with the outer side of the connecting table (34), the auxiliary plate (36) comprises a first annular plate (361), a second limit groove (362) and a second annular plate (363), the second limit groove (362) is formed in the inner side of the first annular plate (362), and the inner wall of the second limit groove (361) is correspondingly connected with the outer side of the vertical rod (34) in a sliding mode, and the inner wall of the second limit groove (35) is correspondingly connected with the inner side of the second annular plate (363) through the corresponding annular plate (35).
2. The multi-station injection molding die of claim 1, wherein: the cleaning mechanism (4) comprises a placing groove (41), an annular groove (42), a scraping plate (43), two first connecting blocks (44), two first springs (45) in a compressed state, two second connecting blocks (46) and two second connecting rods (47), wherein the placing groove (41) is communicated with the annular groove (42), the scraping plate (43) is in sliding connection with the inner wall of the annular groove (42), the inner wall of the placing groove (41) is fixedly connected with the two first connecting blocks (44), the first connecting blocks (44) are fixedly connected with the corresponding first springs (45), the second connecting blocks (46) are fixedly connected with the corresponding first springs (45), and the second connecting blocks (46) are fixedly connected with the corresponding second connecting rods (47) which are fixedly connected with the scraping plate (43).
3. The multi-station injection molding die of claim 1, wherein: the buffer mechanism (5) comprises a plurality of circular grooves (51), a plurality of second springs (52) and a plurality of rubber blocks (53), wherein the second springs (52) are fixedly connected with the bottoms of the corresponding circular grooves (51), the second springs (52) are fixedly connected with the bottoms of the corresponding rubber blocks (53), and the outer sides of the rubber blocks (53) are slidably connected with the inner walls of the corresponding circular grooves (51).
4. The multi-station injection molding die of claim 1, wherein: the auxiliary mechanism (6) comprises two rectangular grooves (61) and two vertical plates (62), the two rectangular grooves (61) are symmetrically formed in the upper surface of the lower die (21), the upper surface of each vertical plate (62) is fixedly connected with the lower surface of the upper die clamping unit (1), and the outer sides of the vertical plates (62) are in sliding connection with the inner walls of the corresponding rectangular grooves (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111500074.8A CN114147918B (en) | 2021-12-09 | 2021-12-09 | Multistation injection moulding mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111500074.8A CN114147918B (en) | 2021-12-09 | 2021-12-09 | Multistation injection moulding mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114147918A CN114147918A (en) | 2022-03-08 |
| CN114147918B true CN114147918B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111500074.8A Active CN114147918B (en) | 2021-12-09 | 2021-12-09 | Multistation injection moulding mould |
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| CN (1) | CN114147918B (en) |
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| CN213166670U (en) * | 2020-08-05 | 2021-05-11 | 广东烨嘉光电科技股份有限公司 | Side pushing type injection mold |
| CN213227388U (en) * | 2020-09-07 | 2021-05-18 | 昆山科海胜精密电子有限公司 | Injection molding and demolding structure of plastic part |
| CN214645828U (en) * | 2021-04-19 | 2021-11-09 | 天津卡斯汀科技发展有限公司 | A liftout structure for thermoforming mould |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209504756U (en) * | 2018-12-21 | 2019-10-18 | 重庆万邦精密模具有限公司 | Thin-walled injection moulding part ejection die |
| CN213166670U (en) * | 2020-08-05 | 2021-05-11 | 广东烨嘉光电科技股份有限公司 | Side pushing type injection mold |
| CN213227388U (en) * | 2020-09-07 | 2021-05-18 | 昆山科海胜精密电子有限公司 | Injection molding and demolding structure of plastic part |
| CN112428524A (en) * | 2020-10-27 | 2021-03-02 | 黄勇平 | Energy-saving and environment-friendly injection mold |
| CN214645828U (en) * | 2021-04-19 | 2021-11-09 | 天津卡斯汀科技发展有限公司 | A liftout structure for thermoforming mould |
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| CN114147918A (en) | 2022-03-08 |
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