WO2004110722A1 - 二層構造ブッシュの製造方法及び装置 - Google Patents
二層構造ブッシュの製造方法及び装置 Download PDFInfo
- Publication number
- WO2004110722A1 WO2004110722A1 PCT/JP2003/007519 JP0307519W WO2004110722A1 WO 2004110722 A1 WO2004110722 A1 WO 2004110722A1 JP 0307519 W JP0307519 W JP 0307519W WO 2004110722 A1 WO2004110722 A1 WO 2004110722A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stage
- mold
- molding
- rubber
- die
- Prior art date
Links
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
- B29C45/03—Injection moulding apparatus
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
- B29C45/0408—Injection moulding apparatus using movable moulds or mould halves involving at least a linear movement
- B29C45/0416—Injection moulding apparatus using movable moulds or mould halves involving at least a linear movement co-operating with fixed mould halves
-
- 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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1615—The materials being injected at different moulding stations
- B29C45/162—The materials being injected at different moulding stations using means, e.g. mould parts, for transferring an injected part between moulding stations
-
- 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
- B29C45/261—Moulds having tubular mould cavities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
- F16F1/3732—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape having an annular or the like shape, e.g. grommet-type resilient mountings
- F16F1/3735—Multi-part grommet-type resilient mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/122—Mounting of torsion springs
- B60G2204/1222—Middle mounts of stabiliser on vehicle body or chassis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/41—Elastic mounts, e.g. bushings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/418—Bearings, e.g. ball or roller bearings
Definitions
- the present invention relates to a method and an apparatus for manufacturing a two-layer bush used for a stabilizer bush or the like of a vehicle.
- a stabilizer bush of a vehicle is generally made of a rubber elastic body having a thick cylindrical shape, and a through hole of the stabilizer bar of the vehicle is held in its inner hole.
- the bush A has an inner hole a 1 through which the stabilizer bar Sb penetrates, and the outer surface of the torso has a flat surface a serving as a contact surface with the vehicle body mounting surface. 2 and a substantially U-shaped peripheral surface a3 that is continuous with the flat surface a2.
- the substantially U-shaped peripheral surface a3 is brought into contact with the mounting surface of the vehicle body with the flat surface a2 at the top. Is held by bracket U of a substantially U-shape.
- the bracket B is fixed to the mounting surface of the vehicle body by fixing bolts (not shown) inserted into the mounting holes b1, b1 at both ends.
- Flanges a4, a4 are provided at both ends of the bush A, and the bracket B holds the bush A between the flanges a4, a4.
- the inner rubber A2 and the outer rubber A1 are different rubbers
- an outer rubber material is injected into a mold hole of a molding die by an injection machine. Vulcanized or semi-vulcanized and then the core (core) is changed, and the inner rubber material is injected into the mold hole by another injection machine, vulcanized and the inner and outer rubber is vulcanized and bonded. I do.
- the upper and lower molds for the outer layer molding and the inner layer molding to which the injection machine for the outer layer rubber material and the injection machine for the inner layer rubber material are connected are changed by a mechanism or device for the movement.
- the method is bulky and complicated, cannot be easily implemented, and the above-mentioned movement takes time, so that improvement in manufacturing efficiency cannot be expected.
- the present invention has been made to solve the above-mentioned problems in the production of a two-layer structure bush, and to provide a production method and an apparatus which can be easily and efficiently produced.
- One aspect of the present invention is a cylindrical two-layer structure block in which different types of inner and outer rubber layers are laminated.
- a bushing manufacturing method wherein a first forming stage for forming an outer layer rubber of the bush, a second forming stage for forming an inner layer rubber, and a demolding stage are arranged, and the first In the molding stage, a first upper mold for outer layer molding is closed and joined to the upper surface of a lower mold having a mold hole corresponding to the outer peripheral shape of the bush, and the outer layer rubber is vulcanized or semi-vulcanized, After this molding, the first upper mold is separated from the lower mold while the molded outer layer rubber remains in the mold hole, and the lower mold is transferred to the second molding stage.
- the second upper mold for inner layer molding is closed and joined to the upper surface of the lower mold, and the inner rubber is vulcanized and formed so as to be laminated inside the outer rubber.
- a molded article made of the inner and outer layer rubbers is placed in the mold hole.
- the second upper mold is separated from the lower mold while leaving the lower mold, and the lower mold is transferred to a mold release stage of the molded article. After the molded article is taken out of the lower mold at the mold release stage, Transferring the lower die to the first molding stage.
- the lower mold in which the mold hole is formed is transferred to the first molding stage for molding the outer layer rubber and the second molding stage for molding the inner layer rubber, and the outer layer and the inner layer are formed. Since the rubber is molded separately, there is no need to move the first upper mold for forming the outer layer and the second upper mold for forming the inner layer to which the injection machine is connected, and the outer rubber remains as it is. Since it is only necessary to transfer the lower die or the lower die in which the molded product is left, the transfer structure is simplified, and the transfer can be performed accurately and quickly using, for example, a cylinder device. In addition, it is not necessary to take out the outer layer rubber previously vulcanized or semi-vulcanized in the first molding stage from the mold hole of the lower mold. Therefore, a two-layer bush can be easily and efficiently manufactured.
- each lower mold is sequentially transferred to a first molding stage, a second molding stage, and a demolding stage. It is preferable to form the rubber and the inner layer rubber and take out the molded product.
- the time required for vulcanization molding of the outer rubber and the inner rubber is the same as before, the molding or molding of the inner rubber with another lower mold while the outer rubber is being molded with one lower mold. Since the product can be taken out, the operating efficiency at each stage can be increased, and the production efficiency and productivity of the double-layer bush can be increased.
- a lower mold moving stage connected to a demolding stage of the molded article is disposed between the first molding stage and the second molding stage, and First molding stage Lower mold moving stage Second molding stage Lower mold moving stage Demolding stage Lower mold moving stage ⁇ Repetitive molding of a two-layer structure push while transferring in the order of the first molding stage can do.
- the lower die can be moved smoothly and the moving distance can be reduced, and vulcanization or semi-vulcanization of the outer rubber, vulcanization of the inner rubber, and molding of unmolded products
- the cycle can be smoothly continued, and the production efficiency of the double-layer bush can be increased.
- two lower molds are used, and while one of the lower molds is in the first molding stage, another one of the lower molds is transferred from the second molding stage to the demolding stage. Then, while one of the lower dies is in the demolding stage, another one of the lower dies is transferred from the first forming stage to the second forming stage, and one of the lower dies is transferred to the second forming stage.
- the push of the two-layer structure can be repeatedly performed while transferring the other lower mold from the demolding stage to the first molding stage during the above.
- the outer rubber and the inner rubber of the two-layer structure bush can be sequentially molded while sequentially transferring the two lower dies to the respective stages, and the other lower die is delayed by a half cycle after each cycle of the process.
- the outer rubber and the inner rubber can be vulcanized and molded, respectively, and the production efficiency of this type of two-layer bush can be greatly improved.
- the present invention provides a manufacturing apparatus used for carrying out the above-described method for manufacturing a two-layered bush, wherein: a first forming stage for forming the outer layer rubber of the push; and a second forming stage for forming the inner layer rubber. Are arranged side by side via a lower die moving stage connected to the molded product demolding stage. The lower die having a die hole corresponding to the outer peripheral shape of the bush on the upper surface side, and is appropriately transported.
- Means, through the lower mold moving stage, from the first molding stage to the second molding stage, from the second molding stage to the demolding stage, and furthermore, the demolding stage A lower mold that is sequentially transferred from the first molding stage to the first molding stage; and an upper mold that is vertically movably supported in the first molding stage, wherein the lower mold is located at the stage.
- the first upper mold for forming the outer layer forming the cavity for the outer rubber in the mold hole and being joined to the upper surface of the lower mold, and the second molding stage.
- the bush is formed by molding.
- the above-described manufacturing method of the present invention can be satisfactorily carried out, and a cylindrical two-layer structure push formed by laminating different kinds of inner and outer rubber layers can be easily obtained.
- the lower surface of the first upper mold is inserted into the mold hole when the mold is closed and joined to the lower mold, thereby forming an outer rubber layer between the lower surface and the inner peripheral surface of the mold hole.
- a first core pin that forms a cavity of A second core pin is formed on the lower surface of the second upper mold to form a cavity for the inner rubber between the lower mold and the outer rubber in the mold hole when the mold is closed and joined to the lower mold.
- the lower die moving stage and the demolding stage are arranged continuously in a direction intersecting a parallel direction of the first and second forming stages, and
- the mold moving stage and the demolding stage are provided with a transfer carriage that can reciprocate in a direction in which the two stages are connected, and the transfer carriage is configured to perform a second molding at a position between the first and second molding stages.
- An upper holding unit that holds the lower die sent out from the stage on the upper stage and transfers the lower die to the demolding stage by moving the carriage; and when the upper holding unit is positioned on the demolding stage, the two molding stages are moved.
- a slide moving portion that is located between the two and allows the lower mold to be transferred from the first molding stage to the second molding stage, and the two lower dies are provided so as to be sequentially movable. To take It can be.
- the lower die sent from the second molding stage can be held by the upper holding unit and transferred to the demolding stage by the movement of the transfer trolley. It can also be transferred from the mold stage to the lower mold moving stage and returned to the first molding stage. That is, it is possible to easily carry out the method of forming the two-layer structure bush by transferring the lower mold from the first forming stage to the second forming stage and the demolding stage sequentially, and to improve the manufacturing efficiency. Can be done.
- the lower die is detachably fitted from above into a concave portion on the upper surface side of the lower die body having a concave cross section, and a plurality of the die holes are formed in two rows.
- the middle mold has a core mold part at a center part in the two rows of mold hole juxtaposed parts, and a slide core part detachably attached to both sides of the core mold part.
- the molded product is removed from the core mold portion by being pulled out of the lower mold body upward and by separating the slide cores from the core mold portion to both outer sides. It can be provided so as to be removable to the side.
- FIG. 1 is a schematic front view showing an outline of an apparatus for manufacturing a two-layer structure bush provided with a molding die of the present invention.
- FIG. 2 is a schematic plan view showing an arrangement state of each stage in the above apparatus.
- FIG. 3 is a schematic explanatory view of the steps in the case where the manufacturing method of the present invention is carried out using the above apparatus.
- FIG. 4 is a schematic front view of a first upper mold and a lower mold separated in a first molding stage for molding the outer layer rubber.
- FIG. 5 is a schematic front view of a second upper die and a lower die separated in a second molding stage for molding the inner layer rubber.
- FIG. 6 is a plan view of the lower die.
- FIG. 7 is a sectional view taken along line VII-VII of FIG.
- FIG. 8 is a cross-sectional view of the first upper mold and the lower mold in VIII-VIII of FIG. 6 before the mold is closed.
- FIG. 9A is a cross-sectional view of the first upper mold and the lower mold in a closed state along the same line.
- FIG. 9B is an enlarged cross-sectional view of the same mold hole portion.
- FIG. 10 is a cross-sectional view of the outer layer formed by X-X line in FIG.
- FIG. 11 is a cross-sectional view of the second upper die and the lower die before closing the die along the same cross-sectional line as FIG.
- FIG. 12A is a cross-sectional view of the second upper mold and the lower mold in a closed state along the same line.
- FIG. 12B is an enlarged cross-sectional view of the same mold hole portion.
- FIG. 13 is a cross-sectional view of the inner layer forming state along the same cross-sectional line as FIG.
- FIG. 14 is a plan view schematically showing a lower die moving stage and a demolding stage.
- FIG. 15 is a cross-sectional view taken along line XV-XV in the preceding figure.
- FIG. 16 is a front view in which a part of the detachable stage including the transfer trolley is omitted.
- FIG. 17 is a schematic plan view of a part showing an engagement structure between the pushing and pulling means for moving the lower die and the lower die.
- FIG. 18 is a front view of a part of the above.
- FIG. 19 is an enlarged front view showing an outline of the demolding apparatus in the demolding stage.
- FIG. 20 is a partial cross-sectional view showing a detached state by the above device.
- FIG. 21 is a front view schematically showing a demolding storage and a product recovery unit.
- FIG. 22 is a schematic plan view of the above.
- FIG. 23 is an explanatory diagram of a state in which a molded product is extracted at the product collection section.
- FIG. 24 is a perspective view illustrating a two-layer structure bush to be manufactured.
- FIG. 25 is a cross-sectional view taken along the line XXV—XXV in the above.
- FIG. 26 is a perspective view of only the outer layer rubber of the two-layer structure bush.
- FIG. 27 is a perspective view illustrating a bush used as a stabilizer bush.
- the two-layer structure bush A to be molded is, for example, a cylindrical push shown in FIGS. 24 and 25, and has an inner hole a 1 through which a stabilizer bar passes, and a body outer shape. It comprises a flat surface a2 which is a contact surface to the vehicle body mounting surface, and a substantially U-shaped peripheral surface a3 which is continuous with the flat surface a2.
- the bush A is formed of an inner rubber layer A2 made of a rubber material having high slidability and an outer rubber layer A1 made of a rubber material having higher rigidity and hardness than the inner rubber layer A2.
- flanges a4 and a4 are provided at both ends in the axial direction.
- Reference numeral a5 denotes a mounting portion for mounting to the sunset reservoir.
- the manufacturing apparatus of this embodiment includes a first molding stage 1 for molding an outer layer rubber A 1 of a two-layer structure push A to be molded. And a second molding stage 2 for molding the inner rubber A2, and a lower mold moving stage 4 connected to the demolding stage 3 of the molded product (the bush A).
- the lower mold moving stage 4 and the demolding stage 3 are arranged between the first and second molding stages 1 and 2 in the parallel direction of the two molding stages 1 and 2 (for example, Direction) and a direction (for example, forward direction) intersecting with the direction.
- a retracting stage 41 for a transfer carriage which will be described later, is provided continuously behind the detachable stage 3 and the lower mold moving stage 4 in a parallel direction.
- reference numeral 8 denotes a lower mold having a mold hole 81 corresponding to the outer peripheral shape of the bush A on the upper surface side
- 10 denotes an outer rubber A of the bush A to be molded in the first molding stage 1.
- Reference numeral 20 denotes a first upper mold for molding, and a second upper mold for molding the inner layer rubber A2 of the pusher in the second molding stage 2.
- the lower mold 8 is appropriately transferred from the first molding stage 1 to the second molding stage 2 via the lower mold moving stage 4 as shown by a white arrow in FIG.
- the second molding stage 2 is provided so as to be sequentially transferred to the demolding stage 3 and further from the demolding stage 3 to the first molding stage 1.
- the outer rubber A1 and the inner rubber A2 are formed by using the two lower dies 8 having the same configuration so that the lower dies 8 are sequentially transferred as described above.
- the first and second upper dies 10 and 20 are connected to a pressing device (not shown) such as a hydraulic cylinder and are supported so as to be vertically movable, as shown in FIG.
- a pressing device such as a hydraulic cylinder and are supported so as to be vertically movable, as shown in FIG.
- the lower mold 8 is provided so that it can be closed and joined to the upper surface of the lower mold 8 by being lowered.
- the lower die 8 is removably fitted from above into a concave portion 80 a on the upper surface side of the lower die body 80 having a concave cross section.
- a middle mold 82 in which the plurality of mold holes 81 are formed in two rows.
- the middle mold 82 has a core mold portion 82a at the center in the two rows of mold hole parallel portions, and a slide core portion 82 provided detachably attached to both sides of the core mold portion 82a.
- the side surfaces thereof are closed by the slide core portions 82b, 82b so that a mold hole 82 corresponding to the bush A is formed.
- a rubber material for vertically penetrating the upper die 10 is provided on the upper surface of the lower die 8, particularly on the upper surface of the core die portion 8 2 a.
- a runner groove 84 which is continuous with the sprue and communicates with each injection gate 83 into each of the mold holes 81 is formed.
- the middle mold 82 is withdrawn from the lower mold body 80 upward in the removal stage 3, and the slide core portions 82b, 82b are both removed from the core mold portion 82a. By being separated outward, the bush molded product is provided so as to be detachable from the core mold portion 82a.
- the slide cores 8 2 b and 8 2 b constituting the middle die 82 are connected to slide pins 85 and 85 protruding from both front and rear sides of the core die 82 a by screwing means. On the other hand, it is loosely fitted and supported so that it can slide.
- the slide bins 85, 85 have concave grooves formed on both sides of the lower mold body 80 in a state where the middle mold 82 is fitted into the recess 80 a of the lower mold body 80.
- the slide cores 8 2 b, 8 2 b are housed in the sections 80 b, 80 b so as to be able to be pulled out upward, and are pulled out when the middle die 82 is pulled out upward. Can be slid on both sides.
- engagement protrusions 8a, 8 with which a lifting means such as a cylinder device to be described later can be engaged are provided.
- a is provided.
- Reference numeral 87 denotes an alignment hole provided on the upper surface side at each of the four corners of the lower mold body 80, and the first upper mold 10 at the first and second molding stages 1 and 2.
- the positioning pins 17 or 27 vertically provided at the four corners of the lower surface of each of the upper dies 10 and 20 and the positioning holes 8 are provided.
- the first upper die 10 or the second upper die 20 is provided so as to be able to be closed and joined to the lower die 8 without slipping by being fitted into the lower die 8.
- Reference numeral 80c denotes a core mold that forms a bottom surface in the recess 80a in the lower mold body 80.
- Reference numeral 8 denotes a pin for aligning the lower die body 80 and the middle die 82 with an upper end fixed to the middle die 82 and a lower side portion being the core die 80.
- the lower die main body 80 including c is fitted in a through hole 80 d that penetrates the lower die main body 80 in the up and down direction so as to be able to slide, and when the middle die 82 is pulled out from the lower die main body 80 upward.
- the pin 88 is provided so as to be fitted in the through hole 80 d so that the middle mold 82 maintains a fixed positional relationship with the lower mold body 80. .
- Reference numeral 89 denotes a through-hole into which a suspension support pin to be described later is fitted when the second upper mold ⁇ 20 is closed, and the slide core portions 8 2b and 8 2b of the through-hole 89 are formed by It also serves as an engagement hole for a slide core section 82b, which will be described later.
- Reference numerals 8b and 8b denote engagement protrusions for lower die movement provided at both left and right end portions of the lower die body 80, and are provided so as to be engaged with later-described movement push-pull means.
- 8c is the width direction at the bottom of both front and rear ends of the lower die body 80. This is a guide groove for movement at the time of movement.
- the first upper mold 10 includes a main body 10 a and an upper plate 10 b, and a lower surface of the main body 10 a in the upper mold 10.
- a cavity C1 for the outer layer rubber is formed between the lower die 8 and the inner peripheral surface of the die hole 81 by being inserted into the die hole 81 when the die is closed.
- Core pins 11 are protrudingly provided at positions corresponding to the mold holes 81 of the lower die 8 in parallel, for example, in two rows as shown in the figure.
- the injection gate 83 is provided in the lower mold 8 so that a rubber material can be injected and injected into the cavity C1 from the side.
- the core bin 11 is fitted inside a holding member 12 fixed to the main body 10a, is held so as not to be able to be pulled out downward, and is disposed in the holding member 12 It is pressed in the protruding direction by the repulsive force of the panel member 13, and is elastically pressed against the lower surface of the mold hole 81 of the lower mold 8.
- the outer peripheral surface of the core pin 11 is roughened by means such as sand blasting so as to have minute irregularities on the surface.
- the inner peripheral surface of the outer rubber A1 becomes a rough surface having minute irregularities, thereby increasing the adhesive strength with the inner rubber A2 laminated on the inner peripheral surface. This is particularly preferable because a two-layer bushing excellent in the integrity of the inner and outer rubber layers can be obtained.
- connection port 14 to which a nozzle (not shown) of an injection machine made of an outer layer rubber material is joined.
- a sprue 15 is provided on the lower surface of the sprue 15 which is in contact with the lower die 8. The sprue 15 communicates with the runner groove 84 on the upper surface of the lower die 8 when the lower die 8 is closed and joined.
- the second upper mold 20 is composed of upper and lower two relatively thick plates 20 a and 20 b which are separated and joined to each other,
- the core pin 11 is slightly smaller in diameter than the core pin 11 and is formed into the mold hole 81 by being inserted into the mold hole 81 when the mold is closed and joined to the lower mold 8.
- a second core pin 21 forming a cavity C 2 for the inner rubber A 2 between the outer core A 1 and the outer rubber A 1 is provided at a position corresponding to the mold hole 8 1 of the lower die 8. .
- they are protruded in two rows in parallel.
- connection port 24 to which a nozzle (not shown) of an inner rubber material injection machine is joined.
- a sprue 22 extending through the lower surface of the upper plate 20a.
- a runner groove 23 is formed to a position corresponding to the upper side of the hole 81.
- the lower plate 20 b is connected to the runner groove 23, and the second upper die 20 is closed to the lower die 8 at the time of closing the die.
- a sprue 25 is provided to communicate with each of the injection gates 26 from above the cavity C2 for the inner layer rubber.
- the cavity C 2 inside the outer rubber A 1 in the mold hole 81 is placed from above, that is, through the injection gate 26 different from the injection gate 83 of the outer rubber material,
- the inner rubber material can be injected from above regardless of the runner part A1-1 A sprue part A1-2 of the outer rubber A1.
- the lower plate 20b is fixed to the upper plate 20a and is slidably fitted to a hanging support pin 28 having a hanging portion and an engaging portion 28a at the lower end.
- the lower plate 20 b contacts the upper plate 20 a, and in the non-mold closed state, As described above, the lower plate 20b separates from the upper plate 20a and engages with the engaging portion 28a at the lower end of the support pin 28. It is provided so as to be maintained at a constant interval by performing the above operation.
- the take-out means 100 may be a hand with a chuck of a robot or the like, or may be advanced or retracted in response to the mold opening action after vulcanization molding to chuck the runner part A 2-1 ⁇ sprue part A 2-2. Any structure can be used as long as it can be taken out.
- the hanging support pins 28 are fitted into the through holes 89 when the upper die 20 is closed with respect to the lower die 8.
- a recess 29 capable of accommodating at least a part A1-2 of the remaining outer rubber A1 is formed.
- the runner part A11 and the spool part A12 of the outer layer rubber A1 formed in the first molding stage 1 remain on the upper surface of the lower die 8, and the spool part A1 — Even if 2 is in the protruding state, the second upper mold 20 can be closed and joined to the lower mold 8 so that the inner rubber material can be injected and molded without any problem.
- the first molding stage 1 and the second molding stage The stage 2 is provided with mounting tables 1a and 2a on which the lower die 8 can be set at a fixed height position, respectively, and on the underframe 4a of the lower die moving stage 4,
- the lower die 8 can be transferred to the demolding stage 3 with the lower die 8 mounted thereon at substantially the same height as the mounting tables 1 a and 2 a, and the transfer from the first molding stage 1 to the second molding stage 2 is allowed.
- a transfer cart 40 is provided.
- a cylinder device 91 as a pushing and pulling means for pushing and pulling the lower die 8 from the mounting table 1 a to the lower die moving stage 4 is provided.
- This cylinder device 91 has an engagement means 91b at the end of the output shaft 91a, and the engagement means 91b is provided on one of the left and right sides of the lower mold body 80 of the lower mold 8. It is provided so as to be freely disengageable from the engaging projection 8b protruding from the side end of the member.
- a support plate 91c is attached to the tip of the output shaft 91a of the cylinder unit 91, A slide block 91e is provided on the support plate 91c so as to be able to slide in the front-rear direction via a linear guide means 91d, and the slide block 91e has an engagement protrusion of the lower die 8.
- a hook-shaped engaging piece 91 f that is freely engageable with the portion 8 b is provided, and the slide block 91 e is displaced in the front-rear direction by the operation of the cylinder device. The engaging piece 91f is engaged with and disengaged from the engaging projection 8b.
- the lower die 8 is moved to the first position by the advancing and retreating action of the output shaft 91 a of the cylinder device 91 in a state in which the engagement piece 91 f is engaged with the engagement projection 8 b. It is configured to be pushed from the molding stage 1 to the lower mold moving stage 4 or to be drawn from the lower mold moving stage 4 to the first molding stage 1.
- the lower mold 8 is moved from the mounting table 2 a to the lower mold, facing the cylinder unit 9 1 of the first molding stage 1.
- a cylinder device 92 as a pushing / pulling means for pushing and pulling the movable stage 4 into and out is provided to face the cylinder device 91.
- the cylinder device 92 also has substantially the same configuration as the cylinder device 91, and has an engagement projection 8b at the other side end of the lower die 8.
- Engaging means 9 2 b Is provided at the end of the output shaft 92a (FIG. 1), and is configured so that the lower die 8 can be pushed and pulled by the advance / retreat action of the output shaft 92a.
- the transfer carriage 40 in the lower die moving stage 4 is separated from the lower die moving stage 4 by the linear guide means 42 on the underframe 4a. It is provided so as to be able to reciprocate in the direction in which the mold stages 3 are connected (the front-back direction orthogonal to the parallel direction of the two molding stages 1 and 2).
- the transfer carriage 40 holds the lower mold 8 sent out from the second molding stage 2 at a position between the first and second molding stages 1 and 2 and moves the carriage 40 by moving the carriage 40.
- It has an upper holding section 43 for transferring to the removal stage 3, and is located between the first and second molding stages 1, 2 when the upper holding section 43 is located on the removal stage 3. Further, it has a slide moving portion 44 that allows the transfer of the lower die 8 from the first molding stage 1 to the second molding stage 2.
- the front and rear portions of the slide moving portion 44 are hook-shaped engaging with the widthwise grooves 8 c, 8 c provided below the front and rear ends of the lower die 8.
- the guide members 45, 45 are provided so that the lower die 8 can be transferred while maintaining a constant posture without displacement.
- guide members 46, 46 engaging with the concave grooves 8c, 8c of the lower die 8, which are fed onto the upper holding portion 43 are provided on the front and rear portions of the upper holding portion 43. Is provided.
- Various drive mechanisms can be used as drive means for reciprocating the transfer carriage 40 in the front-rear direction.
- the output of the cylinder device 47 is provided on the lower surface of the transfer carriage 40.
- the shaft is connected, and is provided so as to reciprocate by the operation of the cylinder unit 47.
- 48a indicates a stopper portion for moving the transfer carriage 40 forward (toward the demolding stage 3 side), and 48b indicates a stopper portion for moving rearward.
- moving guides 40 that allow the passage of engagement convex portions 8b, 8b provided on both left and right end portions of the lower die body 80 of the lower die 8 are provided.
- a, 40 a are provided to face each other, so that the lower die 8 to be transferred can be transferred while restricting lateral displacement.
- Pushing means 50, 50 are provided for engaging with the engaging projections 8 a, 8 a at both ends to push up and withdraw the lower die body 80.
- support blocks 49 and 49 are respectively provided on the front and rear portions of the upper holding section 43 so as to protrude therefrom.
- a suspension rod 51, 51 extending downward from 49 is provided, and a support substrate 52 is fixedly attached to lower ends of both rods, and a cylinder device 53 for lifting the support substrate 52 is provided. Is fixed with the output shaft facing upward.
- the output shaft of the cylinder device 53 is connected to an elevating support plate 54 disposed above the support substrate 52.
- Push-up ports 55, 55 that penetrate the support blocks 49, 49 so as to be able to move up and down are connected to both front and rear ends of the lifting support plate 54, and the cylinder device 53 operates when the cylinder device 53 operates. It moves up and down together with the lifting support plate 54.
- the upper ends of the push-up rods 55, 55 are provided with cross sections which are fitted to engaging projections 8 a, 8 a at the front and rear ends of the middle die 82 of the lower die 8 so as to be able to slide in the left-right direction.
- a substantially C-shaped engagement guide 56, 56 is attached.
- the engagement guides 56, 56 are such that the upper holding section 43 is located between the first and second molding stages 1, 2 and the push-up rods 55, 55 are lowered. When in the position, it is sent from the second stage 2 onto the upper holding portion 43.
- the engagement protrusions 8a, 8a of the lower die 8 are provided so as to be fitted and locked.
- the lifting port pads 55, 55 are raised together with the lifting support plate 54 by the operation of the cylinder unit 53, whereby the engagement is achieved.
- the middle mold 82 engaged with the guides 56, 56 is configured to be pushed up to a predetermined height above the lower mold body 80 and to be removed.
- the removal height of the middle mold 82 is set so that the pin 8 8 for positioning the lower mold 8 does not come off the lower mold body 80, and the push-up height is the removal mold described later. This is the position where the molded product is released from the mold by the device 6.
- a slide core portion of the middle mold 82 is provided above the removal stage 3 as a mold removal device 6 for the molded product from the pushed middle mold 82.
- Separating means for separating 8 2 b, 8 2 b to the left and right sides from the core mold portion 8 2 a, and molded products etc. In addition to the molded push A, a part of the runner of the outer rubber A 1-1-1 sprue (Including a part A1-2) from the core mold part 82a.
- the removal receiving means for the molded product has the following configuration.
- the elevation base is activated by the operation of the cylinder device 64. 6 and the supporting pins 6 6, 6 6 6 which elastically fit into the inner hole a 1 of the formed bush A of the respective mold holes 8 1 of the middle mold 82 are formed in the respective mold holes 8 1.
- the support pins 66, 66 in the two rows on the left and right sides are respectively connected to cylinder devices 67, 67 mounted on the lower surface of the elevating base 65 and capable of moving back and forth in the left and right outer directions. 68, and are supported so as to be displaceable left and right outward by the operation of the cylinder devices 67, 67, and after the slide core portions 82b, 82b are separated,
- the cylinder devices 67, 67 By operating the cylinder devices 67, 67, the molded products in the left and right directions are inserted into the molded products in the left and right directions while being fitted to the molded products.
- the cylinder is then separated from the mold, and is lifted upward by the subsequent operation of the cylinder unit 64.
- Reference numeral 69 denotes a guide rail for moving the movable table 63 provided on the base 62
- reference numeral 70 denotes a cylinder unit for moving the movable table 63.
- the elevating base 65 provided on the moving table 63 can be lowered by the operation of the cylinder device 64 when the moving table 63 is located above the product collection section 7. , 66 can be lowered to a product extraction position provided in the product recovery section 7. As shown in FIGS. 22 and 23, cutouts 72, 72 that can be fitted to the support pins 6.6, 66 facing left and right are provided at the product extraction position of the product collection unit 7, as shown in FIGS. Product extraction plate 7 1, 71 are provided. When the support pins 66, 66 holding the molded product are lowered, the product extraction plates 66, 66 are moved by the cylinder devices 73, 73 to operate the support pins 66, 66. 6 and the support pins 66 and 66 rise in this state, so that the molded product comes out of the support pins 66 and falls. 74 is a conveying means for collecting the falling molded article.
- the outer rubber A1 and the inner rubber A2 are laminated and formed.
- the manufacturing process will be described. First, in a state where one lower die 8 is positioned on the first molding stage 1, the first upper die 10 is lowered by operating the press device, and the first core pin 11 is moved to the lower die. The mold cavity 81 of the lower mold 8 is inserted into the mold cavity 81 and the mold is closed and joined to the upper surface of the lower mold 8 (FIG. 9A). Form C 1 (FIGS. 9A and 9B). In this state, injection from the injection machine connected to the first upper mold 10 The outer layer rubber material to be supplied is flowed through the sprue 15 and the runner groove 84 and injected into the cavity C1 from the injection gate 83 on the side of the mold hole, and the outer layer rubber A1 is added. Vulcanized or semi-vulcanized (Fig. 10).
- the first upper mold 10 is raised by the operation of the press device and separated from the lower mold 8. At this time, the molded outer layer rubber A1 remains in the mold hole 81, and the runner portion A11-11 sprue portion A112, etc., which continues to this, also remains. (Fig. 3, (2)).
- the lower die 8 is moved to the second molding stage 2 via the lower die moving stage 4 by the operation of the cylinder devices 91 and 92 as push-pull means ((3) in FIG. 3). . That is, at this time, in the lower die moving stage 4, the upper holding part 43 of the transfer carriage 40 is moving to the demolding stage 3 side, and the slide moving part 44 is moved by both the first and the second. It is located between the molding stages 1 and 2. Accordingly, the lower mold 8 is sent out from the mounting 1a onto the slide moving section 44 by the cylinder device 91 on the first molding stage 1 side, and the cylinder device 9 on the second molding stage 2 side. By engaging the engaging means 9 2b of the device 92 with the engaging projection 8b and pulling it onto the mounting table 2a of the second molding stage 2, the lower mold is attached to the second molding stage 2. 8 can be transported.
- the second upper mold 20 for inner layer molding is lowered by the operation of the press device, and the support pins 28 for suspension are fitted into the through holes 89.
- the upper and lower plates 20a and 2Ob are joined to each other with the mold closed and joined to the upper surface of the lower mold 8 while the second core pin 21 of the upper mold 20 is attached to the mold hole 8 at the same time.
- 1 is formed inside the outer layer rubber A1 in the mold cavity 81 to form a cavity C2 for the inner layer rubber inside the outer layer rubber A1 in the mold hole 81 (FIGS. 12A and 12B). ).
- the lower press A recess 29 is provided on the lower surface of the port 20b, and at least a part of the remaining outer rubber A1 sprue a5 is accommodated in the recess 29, so that the problem described above occurs. Without mold closing.
- the inner rubber material injected from the injection machine connected to the second upper mold 20 is injected from above through the sprue 22, the runner groove 23 and the sprue 25.
- the cavity C2 is injected into the cavity C2 from step 26, and vulcanization molding is performed so that the inner rubber A2 is laminated and adhered to the inner side of the outer rubber A1 (FIG. 13).
- the vulcanization time at this time is appropriately set according to the rubber material and the molded product. Even if the outer rubber A1 is in a semi-vulcanized state, it is completely vulcanized together with the inner rubber A2 by the vulcanization molding in the second molding stage 2.
- the second upper mold 20 is lifted and separated from the lower mold 8.
- the upper plate 20a of the second upper die 20 is engaged with the lower plate 20b by the engagement portion 28a at the lower end of the suspending support pin 28 included therein. And separate the upper and lower plates 20a and 20b, and then separate the lower plate 20b from the lower die 8.
- the runner part A 2-1 ⁇ sprue part A 2-2 of the inner layer rubber A 2 generated between the upper and lower plates 20 a and 2 O b is removed by the removal means 100 and discarded.
- the molded product (the bush A) composed of the molded inner and outer layer rubbers A2 and A1 is retained while remaining in the mold hole 81 of the lower mold 8 ((3) in FIG. 3).
- the lower die 8 is sent out to the lower die moving stage 4 by the operation of the cylinder device 92.
- the transfer carriage 40 of the lower mold moving stage 4 has already moved backward, and the upper holding section 43 provided at the front of the transfer carriage 40 has the first and second forming stages 1, Therefore, the lower die 8 is placed on and held by the upper holding part 43.
- the loading holder Pushing means 50, 50 having engagement guides 56, 56 at the upper end of the push-up rods 55, 55 are provided at the front and rear portions of the engagement guides 56, 55.
- Engagement projections 8a, 8a at the front and rear ends of the middle mold 82 of the lower mold 8 are fitted to 56, respectively, and are held in the engaged state.
- the push-up ports 55, 55 are raised via the lifting support plate 54, and the medium size engaged with the engagement guides 56, 56. 82 is withdrawn from the concave portion 80a of the lower die body 80 upward, and is pushed up to the demolding position at a predetermined height.
- the fitting pins 61, 61 as pulling-out means provided above both side portions are provided with through holes 89, 89 in the slide core portions 82b, 82b on both sides of the middle die 82.
- the middle size 82 is pushed up as described above, the through-holes 89, 89 in the slide core portions 82b, 82b are fitted to the fitting pins 6 Mating to 1, 6 1
- the support pins 66, 66 rise while holding the molded product, and both slide cores 82b, 82b return to a state in which they are in contact with the core part 82a. I do.
- the lifting ports 55, 55 are lowered, so that the middle mold 82 is inserted into the recess 80a of the lower mold body 80. It returns to the fitted state.
- the transfer carriage 40 moves rearward, and the upper holding section 43, that is, the lower die 8 placed on the upper holding section 43 is moved to a position between the first and second forming stages 1 and 2. Return.
- the cylinder device 91 as the pushing and pulling means of the first molding stage 1 advances, and the engaging means 91b at the tip thereof has at the side end of the lower die body 80.
- the lower die 8 is pulled by the operation of the cylinder device 91 in the retreating direction, and is pulled into the first molding stage 1.
- the outer rubber A1 is molded on the lower mold 8 in the same manner as described above.
- the support pins 66, 66 of the removal receiving means return to the original state at the ascending position, and the moving base 63 by the operation of the cylinder device 70 moves up and down the base.
- the product is moved to the upper position of the product collection section 7 together with 65, and thereafter, the molded product held by the support pins 66, 66 is extracted and collected by the above-described means.
- the lower mold 8 is moved from the first molding stage 1 to the lower mold moving stage 4, the second molding stage 2, the lower mold moving stage 4, the demolding stage. 3. While transferring the lower mold moving stage 4 and the first molding stage 1 in this order, the two-layer bush can be repeatedly and efficiently molded. Since the lower die 8 is moved in this manner, the transfer structure is simplified, and the lower die 8 can be moved accurately and quickly by using, for example, a cylinder device.
- one lower die 8 is mounted on the upper holding part 43 of the transfer carriage 40 and transferred to the demolding stage 3 while being transferred to the demolding stage 3.
- the lower mold 8 passes from the first molding stage 1 through the slide moving section 44 of the transfer carriage 40 on the lower mold moving stage 4.
- the mold 8 is moved from the second molding stage 2 to the upper holding section 43 of the transfer carriage 40 on the lower mold moving stage 4 and transferred to the demolding stage 3. In this manner, for each lower mold 8, molding of the outer rubber A 1 at the first molding stage 1, molding of the inner rubber A 2 at the second molding stage 2, and By continuously removing and removing the molded product in step 3, the two-layer structure bush A can be efficiently formed.
- the time required for vulcanization molding of the outer rubber A 1 and the inner rubber A 2 is the same as before, while the outer rubber A 1 is being molded with one lower mold 8 while the other rubber is being molded.
- the inner rubber A2 can be molded or the molded product can be removed with the lower die 8, so that the operation efficiency in each stage can be increased, and the production efficiency and productivity of the two-layer bush can be increased.
- the present invention relates to a two-layer bush used for a stabilizer bush of a vehicle, and particularly to a reduction in frictional noise and an improvement in riding comfort against a snowboard rider bar.
- the rubber elastic material is made of a two-layered bush consisting of an inner rubber layer made of a highly slidable rubber material and an outer rubber layer made of a rubber material that has a higher rigidity and hardness than the inner rubber layer. It can be suitably used for the production of, and its productivity can be increased.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/007519 WO2004110722A1 (ja) | 2003-06-12 | 2003-06-12 | 二層構造ブッシュの製造方法及び装置 |
JP2004564074A JP4170987B2 (ja) | 2003-06-12 | 2003-06-12 | 二層構造ブッシュの製造方法及び装置 |
EP03733402A EP1632328A4 (en) | 2003-06-12 | 2003-06-12 | METHOD AND DEVICE FOR PRODUCING A SOCKET WITH DOUBLE LAYER STRUCTURE |
AU2003242361A AU2003242361A1 (en) | 2003-06-12 | 2003-06-12 | Method and device for manufacturing bush of double-layer structrure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/007519 WO2004110722A1 (ja) | 2003-06-12 | 2003-06-12 | 二層構造ブッシュの製造方法及び装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004110722A1 true WO2004110722A1 (ja) | 2004-12-23 |
Family
ID=33549012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/007519 WO2004110722A1 (ja) | 2003-06-12 | 2003-06-12 | 二層構造ブッシュの製造方法及び装置 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1632328A4 (ja) |
JP (1) | JP4170987B2 (ja) |
AU (1) | AU2003242361A1 (ja) |
WO (1) | WO2004110722A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9827210B2 (en) * | 2007-06-29 | 2017-11-28 | Phovitreal Pty Ltd | Treatment or prophylaxis of a neurological or neuropsychiatric disorders via ocular administration |
DE102010053731A1 (de) * | 2010-10-25 | 2012-04-26 | Daimler Ag | Elastische Lagerung für ein Bauteil und Verfahren zu deren Herstellung |
CN113071054B (zh) * | 2021-04-09 | 2022-11-08 | 安庆汇通汽车部件股份有限公司 | 橡胶球铰模具打开方式的成型装置及其打开方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4345965A (en) * | 1978-08-04 | 1982-08-24 | Kloeckner-Werke Ag | Method and apparatus for making two component mouldings |
JPS6189818A (ja) * | 1984-10-11 | 1986-05-08 | Toyoda Gosei Co Ltd | 多色樹脂成形方法およびそれに使用する多色樹脂成形型 |
JPH01247124A (ja) * | 1988-03-29 | 1989-10-03 | Daikyo Inc | 二重射出成形方法 |
WO1991002640A1 (en) * | 1989-08-14 | 1991-03-07 | Jens Ole Sorensen | Sequentially injected multi-component injection molding |
JPH10169711A (ja) * | 1996-12-05 | 1998-06-26 | Toyoda Gosei Co Ltd | ブッシュ |
JP2002031179A (ja) * | 2000-07-14 | 2002-01-31 | Toyoda Gosei Co Ltd | 車両用スタビライザブッシュ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19533137C1 (de) * | 1995-09-07 | 1996-12-19 | Krauss Maffei Ag | Vorrichtung zur Herstellung eines Thermoplast-Silikon-Verbundspritzgießteils |
EP1033318B1 (de) * | 1999-02-18 | 2002-09-18 | FOBOHA GmbH | Tubenschulter und Verfahren zu ihrer Herstellung |
US6474631B2 (en) * | 2000-03-16 | 2002-11-05 | Toyo Tire & Rubber Co., Ltd. | Stabilizer bushing |
-
2003
- 2003-06-12 AU AU2003242361A patent/AU2003242361A1/en not_active Abandoned
- 2003-06-12 EP EP03733402A patent/EP1632328A4/en not_active Withdrawn
- 2003-06-12 WO PCT/JP2003/007519 patent/WO2004110722A1/ja not_active Application Discontinuation
- 2003-06-12 JP JP2004564074A patent/JP4170987B2/ja not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4345965A (en) * | 1978-08-04 | 1982-08-24 | Kloeckner-Werke Ag | Method and apparatus for making two component mouldings |
JPS6189818A (ja) * | 1984-10-11 | 1986-05-08 | Toyoda Gosei Co Ltd | 多色樹脂成形方法およびそれに使用する多色樹脂成形型 |
JPH01247124A (ja) * | 1988-03-29 | 1989-10-03 | Daikyo Inc | 二重射出成形方法 |
WO1991002640A1 (en) * | 1989-08-14 | 1991-03-07 | Jens Ole Sorensen | Sequentially injected multi-component injection molding |
JPH10169711A (ja) * | 1996-12-05 | 1998-06-26 | Toyoda Gosei Co Ltd | ブッシュ |
JP2002031179A (ja) * | 2000-07-14 | 2002-01-31 | Toyoda Gosei Co Ltd | 車両用スタビライザブッシュ |
Non-Patent Citations (1)
Title |
---|
See also references of EP1632328A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1632328A4 (en) | 2006-07-12 |
JP4170987B2 (ja) | 2008-10-22 |
EP1632328A1 (en) | 2006-03-08 |
JPWO2004110722A1 (ja) | 2006-07-20 |
AU2003242361A1 (en) | 2005-01-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5493154B2 (ja) | 複数の加工部品を別個の金型で、単一のプレス機を用いて同時に成形するためのゴム射出成型装置および方法 | |
JPWO2006041148A1 (ja) | 中空成形装置および中空成形方法 | |
CN216068377U (zh) | 一种横向机械手自动抓取夹治具 | |
CN110744759A (zh) | 橡胶密封圈自动硫化生产设备 | |
CN210805923U (zh) | 纽扣电池负极壳注塑胶成型装置 | |
CN107415166A (zh) | 一种便于更换模仁的模架 | |
JP4917816B2 (ja) | 中空成形装置および成形金型交換方法 | |
JP2511482B2 (ja) | プラスチック製品、特に熱可塑性、熱硬化性およびポリウレタン高分子製品を成形するための成形機およびその方法 | |
WO2004110722A1 (ja) | 二層構造ブッシュの製造方法及び装置 | |
US20230012299A1 (en) | Tool and method for injection moulding an injection-moulded part in a tool | |
JP5207298B2 (ja) | 複合成形装置及びその複合成形装置の中間成形物の移載装置 | |
CN107020727B (zh) | 注塑模具保险杠牢前模脱模机构 | |
CN210362192U (zh) | 一种全自动注塑机 | |
CN217891699U (zh) | 一种便于脱模的注塑模具 | |
CN116214863A (zh) | 一种基于互联网的塑料生产用注塑机锁模装置及使用方法 | |
WO2004110723A1 (ja) | 二層構造ブッシュの成形金型 | |
WO2004110724A1 (ja) | 二層構造ブッシュの成形金型 | |
US7802460B2 (en) | Work transfer apparatus and press machine | |
JP3304832B2 (ja) | 中空成形品の多段成形方法および射出成形機 | |
CN218342752U (zh) | 一种注头模具取料装置 | |
CN216782433U (zh) | 一种全自动脚轮镶件工装 | |
JP3812307B2 (ja) | 金型交換式成形機およびその運転方法 | |
CN220219510U (zh) | 具有内抽脱模机构的电动三轮车前大灯面罩模具 | |
CN213675212U (zh) | 一种具有新型定位机构的注塑模具 | |
CN218838470U (zh) | 一种具有上模顶出机构的模具 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 2004564074 Country of ref document: JP |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NI NO NZ OM PH PL PT RO RU SC SD SE SG SK SL TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2003733402 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2003733402 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 2003733402 Country of ref document: EP |