CN115195037B - Forming device and production method of TPV corrugated hose - Google Patents
Forming device and production method of TPV corrugated hose Download PDFInfo
- Publication number
- CN115195037B CN115195037B CN202210718143.0A CN202210718143A CN115195037B CN 115195037 B CN115195037 B CN 115195037B CN 202210718143 A CN202210718143 A CN 202210718143A CN 115195037 B CN115195037 B CN 115195037B
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- core
- corrugated
- corrugated hose
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 104
- 238000000465 moulding Methods 0.000 claims abstract description 13
- 229920001971 elastomer Polymers 0.000 claims description 21
- 238000007664 blowing Methods 0.000 claims description 19
- 239000000806 elastomer Substances 0.000 claims description 16
- 238000001746 injection moulding Methods 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000007723 die pressing method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000071 blow moulding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 238000013040 rubber vulcanization Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004383 yellowing Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- 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
- B29C45/401—Ejector pin constructions or mountings
-
- 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
- B29C45/43—Removing or ejecting moulded articles using fluid under pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/18—Pleated or corrugated hoses
Abstract
The invention discloses a molding device and a production method of a TPV corrugated hose, wherein the molding device comprises a mold device and a mold core, the mold device comprises a front mold mechanism and a rear mold mechanism which can be matched and installed on the front mold mechanism, a corrugated cavity for accommodating the mold core is formed between the front mold mechanism and the rear mold mechanism, an ejection mechanism for ejecting the mold core from the corrugated cavity is further arranged on the rear mold mechanism, a core-pulling sliding block which can be matched with the mold core is arranged at one end of the corrugated cavity, the core-pulling sliding block can be separated from the end surface of the mold core along with the opening of the front mold mechanism and the rear mold mechanism, the front mold mechanism is closed and is matched with the end surface of the mold core along with the closing of the front mold mechanism, one end of the mold core matched with the core-pulling sliding block can enable the TPV corrugated hose to form a part taking opening, and an air passage which can be communicated into the part taking opening from the end surface of the mold core which is matched with the core-pulling sliding block. According to the invention, the mold core is added, so that the production process is simpler, the product percent of pass is high, the production quality is high, and the production cost is saved.
Description
Technical Field
The invention relates to the technical field of hose manufacturing, in particular to a forming device and a production method of a TPV corrugated hose.
Background
With the continuous increase of the engine power of the internal combustion locomotive, the engine needs to suck more fresh air in unit time so as to ensure that the mixed gas in the cylinder can be fully combusted and reduce the generation and emission of harmful substances. To reduce the power loss of the engine, the resistance of the intake system must be as small as possible. When the engine works, the corrugated hose of the air inlet system bears larger vacuum negative pressure, collapse deformation is easy to occur, and therefore the problem that the air inflow of the engine is insufficient and the power reduction power is insufficient is caused.
In the past, the corrugated hose is usually made of rubber materials, and is limited by the characteristics and production process of rubber raw materials, the continuous improvement of the hardness of the materials can lead to difficult demolding and pickup of products, the qualification rate of parts is reduced, and appearance defects such as yellowing, bluing, frosting and the like easily occur, meanwhile, the production process of the rubber vulcanization corrugated hose has great environmental pollution, waste cannot be recovered, and the environmental protection requirement is not met.
The TPV thermoplastic elastomer material has good physical and chemical properties, and the TPV corrugated hose has more excellent ageing resistance, ozone resistance and stretching resistance than a rubber tube, and the appearance problems of yellowing, bluing, frosting and the like can not occur after ageing. The TPV corrugated hose has the advantages of light weight and recoverability, can realize light weight design, meets the environmental protection requirement, and has obvious product advantages. In the past, the TPV corrugated hose is produced by adopting a 3D hollow blow molding process, and the wall thickness size of the TPV corrugated hose product depends on the control precision of equipment and operators with high skill level because a blow mold has no mold core. In order to be able to produce high quality TPV blow-molded bellows, expensive import equipment is required, production on a common injection molding machine is not possible, and quality control is also enhanced, 100% check-up size is required, and the overall cost is high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a forming device and a production method of a TPV corrugated hose.
The invention adopts the following technical scheme to realize the aim:
the utility model provides a forming device of TPV ripple hose, includes mould device and mold core, the mould device includes front mould mechanism and can cooperate the back mould mechanism of installing on front mould mechanism, be formed with the ripple chamber that is used for holding the mold core between front mould mechanism and the back mould mechanism, still be equipped with on the back mould mechanism and be used for ejecting ejection mechanism in the ripple chamber with the mold core, be formed with the space of moulding plastics of TPV ripple hose between mold core and the ripple chamber, the one end in ripple chamber is equipped with the slider of loosing core that can with the mold core complex, the slider of loosing core can separate with the mold core terminal surface along with the opening of front mould mechanism and back mould mechanism, along with the closing of front mould mechanism and laminating with the mold core terminal surface, mold core and slider matched with one end of loosing core can make TPV ripple hose form and get a mouthful, be equipped with the terminal surface that follows the mold core and the slider of loosing core and laminate and can communicate to getting a mouthful air flue.
In the technical scheme, the mold core is arranged to enable the TPV corrugated hose to be easier to mold; through the core-pulling sliding block, firstly, the sealing effect is achieved, the leakage of the TPV elastomer is prevented, the waste is caused, and secondly, a part taking opening of the TPV corrugated hose is formed by matching with a mold core, so that the subsequent blowing and demolding are facilitated; by arranging the ejection mechanism, when the front mold mechanism and the rear mold mechanism are opened, no shielding object exists on the rear mold mechanism, and the mold core is ejected out of the corrugated cavity through the ejection mechanism, so that a worker can have enough operation space when implementing blowing demolding of the TPV corrugated hose, the worker can be prevented from being injured by the personnel when dragging the TPV corrugated hose manually, and the safety protection effect is achieved; the clamping and demolding of the TPV corrugated hose are convenient for workers through the arrangement of the pick-up port; the air flue is arranged, so that a worker can blow and demold the TPV corrugated hose conveniently.
Further, the front mould mechanism comprises a front mould pressing plate, a front mould plate is arranged on the front mould pressing plate, a plurality of front mould guide posts are arranged on the front mould plate, a front corrugated groove for accommodating a mould core is formed in the front mould plate, and a pouring opening communicated with the front corrugated groove is formed in the front mould pressing plate.
In the technical scheme, due to the design of the front mold mechanism, the pouring channel of the pouring port communicated to the front corrugated groove is short, the fluidity of the TPV elastomer in the injection molding space is improved, the consumption of the TPV elastomer is reduced, and the production efficiency is improved.
Further, the back die mechanism comprises a back die pressing plate, a back die plate is mounted on the back die pressing plate, back die guide holes matched with the plurality of front die guide posts are formed in the back die plate, a back ripple groove for accommodating the die core is formed in the back die plate, and the front ripple groove and the back ripple groove form a ripple cavity.
In the technical scheme, the device is positioned by matching the front die guide post with the rear die guide hole; when the front mold mechanism and the rear mold mechanism are closed, the front corrugated groove and the rear corrugated groove form a corrugated cavity.
Further, the ejection mechanism comprises a push plate arranged on the rear die pressing plate, the push plate is positioned in the rear die plate, a push rod is arranged at one end of the push plate, a push plate guide column for guiding the movement of the push plate is arranged on the rear die pressing plate, a fixed block is arranged at the top end of the push rod, a die core is arranged on one side of the fixed block, a pushing device for enabling the push plate to move along the push plate guide column is arranged on the rear die plate, and copper sleeves are arranged on the push rod and the push plate guide column.
In the technical scheme, the push plate is provided with a guide hole matched with the push plate guide post, and the push plate guide post is arranged on the rear die pressing plate; the copper sleeve is arranged to ensure smoothness of movement of the ejector rod and the push plate, so that the ejector rod and the push plate are prevented from being blocked during movement, and the service life of the die device is prolonged; the pushing device is an air cylinder, an oil cylinder or an electric lever.
Further, a pouring opening on the front die pressing plate is connected with a pouring mechanism, and the pouring mechanism comprises a pouring pipe which is connected with the pouring opening.
According to the technical scheme, the injection mechanism is arranged, and the TPV elastomer is injected into the pouring opening through the pouring pipe, so that the injection space between the mold core and the corrugated cavity of the TPV elastomer forms the appearance of the TPV corrugated hose.
Further, the die device further comprises a core pulling mechanism, the core pulling mechanism comprises a core pulling sliding block arranged on the rear die plate and an inclined guide pillar arranged on the front die plate, the inclined guide pillar inclines to the outer side of the front die plate along the direction of the sliding groove, the rear die plate is provided with a sliding groove matched with the core pulling sliding block, the core pulling sliding block can be attached to or separated from the end face of the die core, the core pulling sliding block is provided with an inclined hole matched with the inclined guide pillar, and the inclined hole is consistent with the inclined direction of the inclined guide pillar.
In the technical scheme, the orthographic projection of the inclined guide post on the chute is parallel to the axis of the chute, and one side of the core-pulling sliding block, which is far away from the end face of the mold core, is an inclined surface.
Further, still include the drawing of patterns device that blows, the drawing of patterns device that blows includes the gas holder, the compressed air pipeline that links to each other with the air flue is installed to the gas outlet of gas holder, be equipped with control switch on the compressed air pipeline, compressed air pipeline is connected with the admission line of installing on the fixed block, the admission line is linked together with the air flue.
In the technical scheme, the air storage tank is arranged to provide power for demolding of the TPV corrugated hose; the control switch can be a pedal plate, controls the opening or closing of the compressed air pipeline and regulates the air inflow of the compressed air; the fixed block can be provided with a plurality of mounting openings for mounting air inlet pipelines, a plurality of air passages communicated with the air inlet pipelines can be formed, and the air passages are connected with the air inlet pipelines through a plurality of compressed air pipelines, so that the air blowing demoulding speed is higher, and the working efficiency is improved.
Further, the blowing demoulding device further comprises a clamping mechanism for demoulding the TPV corrugated hose, the clamping mechanism comprises a blocking block and a clamp, the clamp comprises two semicircular clamps, long handle handles are arranged on two sides of the semicircular clamps, a connecting block is arranged in the middle of the semicircular clamps, a first pin hole is formed in the connecting block, the two semicircular clamps are mutually matched to form a circular ring, a second pin hole is formed in the blocking block, and a positioning bolt penetrates through the first pin hole and is inserted into the second pin hole.
According to the technical scheme, the semicircular clamp is arranged, so that a worker can clamp the workpiece taking opening conveniently; the long handle is arranged to provide a gripping space for staff, so that the workpiece can be conveniently dragged and taken; through the setting of first pinhole and second pinhole and the mutual cooperation of location bolt, guarantee at the in-process that outwards drags, jam and clamp do not take place relative displacement, guarantee to get the pressure of a mouthful department and not excessively reveal.
Further, the plug is a cylindrical hollow sleeve, one end of the plug is closed, and the other end of the plug and the taking port can be matched and installed.
In the above technical scheme, form between the mould core and the stopper, get a mouthful, TPV ripple hose and aerify the cavity, the air flue with aerify the cavity intercommunication, through setting up the compressed air that blocks up in the shutoff inflation cavity, guarantee that the pressure of blowing continuously improves, satisfy the drawing of patterns requirement of TPV ripple hose.
The production method of the forming device adopting the TPV corrugated hose comprises the following steps:
1) And (3) injection molding of a mold: after the front template and the rear template are matched with the guide holes of the rear die through the guide posts of the front die, injecting a TPV elastomer into a pouring port through a pouring pipe of a pouring mechanism, so that the TPV elastomer is injected and molded outside the die core and in the corrugated cavity to form a TPV corrugated hose;
2) Ejecting a die: when the TPV corrugated hose is cooled, the front template and the rear template are opened, the inclined guide posts leave the inclined holes during die opening, the core pulling slide blocks are shifted to move outwards to finish the back-off core pulling of a part taking opening formed by the TPV corrugated hose, an installation space is provided for the installation of a blockage in the die clamping, and under the action of the pushing device, the pushing plate is driven to move upwards along the push plate guide posts, so that the ejector rods, the fixed blocks and the die cores are driven to move upwards, and the solidified TPV corrugated hose is ejected out of the rear corrugated groove;
3) And (3) clamping a die: installing the plug on the inner side of a piece taking opening formed by the TPV corrugated hose, installing the clamp on the outer side surface of the piece taking opening formed by the TPV corrugated hose, and assembling and fixing the semicircular clamp and the plug by penetrating the positioning bolt through the first pin hole and the second pin hole, so that a worker grips the long handle grip to clamp the piece taking opening;
4) Blowing and demoulding: the staff tramples control switch for compressed air pipeline and the compressed air intercommunication of gas holder, compressed air gets into confined taking the mouth with the air flue through the admission line in, after compressed air is full of the inflation cavity, air pressure increases, make the gap between TPV bellows and the mold core enlarge gradually, provide the space for the drawing of patterns, after the anterior segment inflation of TPV bellows reaches certain degree, compressed air reaches the back end, because here TPV bellows is not pressed from both sides tightly, unnecessary compressed air can be through here pressure release, avoid TPV bellows to be blown and explode, accomplish the separation of TPV bellows and mold core, the staff pulls clamp and TPV bellows, accomplish the drawing of patterns of TPV bellows and get the piece.
Compared with the prior art, the invention provides a forming device and a production method of a TPV corrugated hose, which have the following beneficial effects:
the invention combines the characteristics of plastic mold injection molding and rubber mold blowing demolding, fully considers the man-machine engineering, ensures that the injection molding production efficiency is high, the inflation demolding is reliable, the manual workpiece taking is convenient, the device has low requirements on production equipment, can be produced by matching with a common injection molding machine, has lower equipment processing and depreciation cost, has stable production process and high product qualification rate, can recycle materials, meets the national energy-saving and emission-reducing requirements, and has stronger technical competitiveness compared with the TPV corrugated hose produced by the rubber vulcanization corrugated pipe and the 3D blow molding corrugated pipe.
Drawings
FIG. 1 is a schematic view of the apparatus for forming a TPV corrugated hose of the present invention;
FIG. 2 is a schematic view of the structure of the mold apparatus of the present invention;
FIG. 3 is a schematic view of the front mold mechanism of the present invention;
FIG. 4 is a schematic view of the rear mold mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the ejector mechanism of the present invention;
FIG. 6 is a schematic view of the casting mechanism of the present invention;
FIG. 7 is a schematic view of the core pulling mechanism of the present invention;
FIG. 8 is a schematic view of the structure of the blow molding apparatus of the present invention;
FIG. 9 is a schematic view of the structure of the clamp of the present invention;
FIG. 10 is a schematic view of the structure of the plug of the present invention;
FIG. 11 is a schematic view of the structure of the present invention in a clamped state;
FIG. 12 is a schematic view of the structure of the mold-opening ejection of the present invention;
FIG. 13 is a schematic view of the invention in its installation of a plug and clamp;
FIG. 14 is a schematic view of the present invention after installation of the plug and clamp;
FIG. 15 is a schematic cross-sectional view of a mold core of the present invention;
FIG. 16 is a schematic view of a cross-sectional structure of the mold core and core-pulling slide of the present invention after opening;
FIG. 17 is a schematic view of the structure in blow stripping of the present invention;
FIG. 18 is a schematic diagram of the structure of the present invention after blow stripping.
The mark in the figure is 1, a mould device; 2. blowing demoulding device; 21. a gas storage tank; 22. a compressed air conduit; 23. a control switch; 24. an airway; 25. an air intake duct; 26. a clamping mechanism; 261. blocking; 2611. a second pin hole; 262. a clamp; 2621. a semicircular clamp; 2622. a long handle; 2623. a connecting block; 2624. a first pin hole; 3. a front mold mechanism; 31. a front molding plate; 32. a front template; 33. a front die guide post; 34. a front corrugation groove; 4. a rear mold mechanism; 41. a rear die plate; 42. a rear template; 43. a rear mold guide hole; 44. a rear corrugation groove; 5. an ejection mechanism; 51. a push plate; 52. a push rod; 53. a push plate guide post; 54. a fixed block; 55. a mold core; 56. a pushing device; 6. a pouring mechanism; 61. a pouring tube; 7. a core pulling mechanism; 71. a core-pulling sliding block; 72. oblique guide posts; 73. inclined holes; 74. a chute; 8. a sprue gate; 9. a pick-up port; 10. a copper sleeve; 11. TPV corrugated hose; 12. and positioning the bolt.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 18, an embodiment of the present invention provides a molding apparatus for a TPV corrugated hose, including a mold apparatus 1 and a mold core 55; the mold core 55 makes the TPV corrugated hose 11 easier to mold, the mold device 1 comprises a front mold mechanism 3 and a rear mold mechanism 4 which can be matched and installed on the front mold mechanism 3, a corrugated cavity for accommodating the mold core 55 is formed between the front mold mechanism 3 and the rear mold mechanism 4, the rear mold mechanism 4 is also provided with an ejection mechanism 5 for ejecting the mold core 55 from the corrugated cavity, when the front mold mechanism 3 and the rear mold mechanism 4 are opened, the rear mold mechanism 4 is not provided with a shielding object, the mold core 55 is ejected from the corrugated cavity through the ejection mechanism 5, so that a worker can have enough operation space when implementing blowing demolding of the TPV corrugated hose 11, the worker can be prevented from being injured when the worker drags the TPV corrugated hose 11 manually, the effect of safety protection is achieved, the injection molding space of the TPV corrugated hose 11 is formed between the mold core 55 and the corrugated cavity, the one end in ripple chamber is equipped with can with mold core 55 complex slider 71 of loosing core, firstly plays sealed effect, prevents that TPV elastomer from revealing, causes extravagant, secondly cooperates with mold core 55 and has formed the mouth 9 of getting of TPV ripple hose 11, makes things convenient for subsequent drawing of patterns of blowing, slider 71 of loosing core can be along with the opening of front mould mechanism 3 and rear mould mechanism 4 and with mold core 55 terminal surface separation, along with the closure of front mould mechanism 3 and rear mould mechanism 4 and with mold core 55 terminal surface laminating, mold core 55 and slider 71 matched with one end can make TPV ripple hose 11 form and get a mouthful 9, makes things convenient for the staff to press from both sides tight drawing of patterns to TPV ripple hose 11, be equipped with on the mold core 55 and follow mold core 55 and loose core slider 71 the terminal surface that laminates can communicate to get the air flue 24 in mouthful 9, makes things convenient for the staff to blow the drawing of patterns to TPV ripple hose 11.
In this embodiment, the front mold mechanism 3 includes a front mold plate 31, a front mold plate 32 is mounted on the front mold plate 31, a plurality of front mold guide posts 33 are mounted on the front mold plate 32, a front corrugated groove 34 for accommodating the mold core 55 is formed on the front mold plate 32, and a pouring port 8 communicating with the front corrugated groove 34 is provided on the front mold plate 31.
The design of the front mould mechanism 3 ensures that the pouring channel from the pouring opening 8 to the front corrugated groove 34 is short, thereby improving the fluidity of the TPV elastomer in the injection molding space, reducing the consumption of the TPV elastomer and improving the production efficiency.
In this embodiment, the rear mold mechanism 4 includes a rear mold plate 41, a rear mold plate 42 is mounted on the rear mold plate 41, a rear mold guide hole 43 matched with a plurality of front mold guide posts 33 is provided on the rear mold plate 42, the device is positioned by matching the front mold guide posts 33 with the rear mold guide holes 43, a rear corrugated groove 44 for accommodating the mold core 55 is formed on the rear mold plate 42, and the front corrugated groove 34 and the rear corrugated groove 44 form a corrugated cavity.
When the front mold mechanism 3 and the rear mold mechanism 4 are closed, the front corrugation grooves 34 and the rear corrugation grooves 44 form a corrugation cavity.
In this embodiment, the ejector mechanism 5 includes a push plate 51 installed on the rear mold platen 41, the push plate 51 is located in the rear mold platen 42, a push rod 52 is installed at one end of the push plate 51, a push plate guide post 53 for guiding movement of the push plate 51 is installed on the rear mold platen 41, a fixing block 54 is installed at the top end of the push rod 52, a mold core 55 is installed at one side of the fixing block 54, a pushing device 56 for enabling the push plate 51 to move along the push plate guide post 53 is arranged on the rear mold platen 42, the pushing device 56 is an air cylinder, an oil cylinder or an electric lever, copper sleeves 10 are respectively arranged on the push rod 52 and the push plate guide post 53, smoothness of movement of the push rod 52 and the push plate 51 is guaranteed, and the push rod 52 and the push plate 51 are prevented from being blocked during movement, so that the service life of the mold device 1 is prolonged.
The push plate 51 is provided with a guide hole matched with the push plate guide post 53, and the push plate guide post 53 is arranged on the rear die pressing plate 41.
In this embodiment, the pouring gate 8 on the front molding plate 31 is connected to the pouring mechanism 6, and the TPV elastomer is injected into the pouring gate 8 through the pouring tube 61, so that the injection space of the TPV elastomer between the mold core 55 and the bellows cavity forms the shape of the TPV bellows 11, and the pouring mechanism 6 includes the pouring tube 61, and the pouring tube 61 is connected to the pouring gate 8.
In this embodiment, the mold apparatus 1 further includes a core-pulling mechanism 7, where the core-pulling mechanism 7 includes a core-pulling slider 71 mounted on the rear mold plate 42 and a diagonal guide post 72 mounted on the front mold plate 32, the diagonal guide post 72 is inclined toward the outer side of the front mold plate 32 along the direction of the chute 74, and the rear mold plate 42 is provided with a chute 74 matched with the core-pulling slider 71, so that the core-pulling slider 71 can be attached to or separated from the end surface of the mold core 55, and the core-pulling slider 71 is provided with a diagonal hole 73 matched with the diagonal guide post 72, and the diagonal direction of the diagonal hole 73 is consistent with that of the diagonal guide post 72.
The orthographic projection of the inclined guide post 72 on the sliding groove 74 is parallel to the axis of the sliding groove 74, one side of the core-pulling slide block 71, which is far away from the end surface of the mold core 55, is an inclined surface, when the front mold mechanism 3 and the rear mold mechanism 4 are closed, the core-pulling slide block 71 moves towards the end surface of the mold core 55 along the sliding groove 74, the inclined guide post 72 is inserted into the inclined hole 73, the thickness of the core-pulling slide block 71 is smaller than that of the inclined guide post 72, the inclined guide post 72 penetrates through the inclined hole 73 and extends into a groove formed in the rear mold plate 42, the inclined guide post 72 can freely move in the groove, the inclined guide post 72 can drive the core-pulling slide block 71 to be attached to the end surface of the mold core 55, and when the front mold mechanism 3 and the rear mold mechanism 4 are opened, the inclined guide post 72 is separated from the inclined hole 73, and the inclined guide post 72 drives the core-pulling slide block 71 to move towards the end surface far away from the mold core 55 along the sliding groove 74, so that the core-pulling slide block 71 can be separated from the end surface of the mold core 55.
In this embodiment, the air blowing demolding device 2 further comprises an air storage tank 21 for providing power for demolding of the TPV corrugated hose 11, a compressed air pipeline 22 connected with an air passage 24 is installed at an air outlet of the air storage tank 21, a control switch 23, which can be a pedal, is arranged on the compressed air pipeline 22, the opening or closing of the compressed air pipeline 22 is controlled, the air inflow of the compressed air is regulated, the compressed air pipeline 22 is connected with an air inlet pipeline 25 installed on a fixed block 54, and the air inlet pipeline 25 is communicated with the air passage 24.
The fixed block 54 can be provided with a plurality of mounting openings for mounting the air inlet pipeline 25, a plurality of air passages 24 communicated with the air inlet pipeline 25 can be formed, and the air passages are connected with the air inlet pipeline 25 through a plurality of compressed air pipelines 22, so that the air blowing demoulding speed is higher, and the working efficiency is improved.
In this embodiment, the blowing demolding device 2 further includes a clamping mechanism 26 for demolding the TPV corrugated hose 11, the clamping mechanism 26 includes a plug 261 and a clamp 262 for plugging the workpiece taking opening 9, the clamp 262 includes two semicircular clamps 2621, a worker can clamp the workpiece taking opening 9 conveniently, long handles 2622 are installed on two sides of the semicircular clamps 2621, a gripping space is provided for the worker, workpiece dragging is convenient, a connecting block 2623 is arranged in the middle of the semicircular clamps 2621, a first pin hole 2624 is formed in the connecting block 2623, the two semicircular clamps 2621 are mutually matched to form a circular ring, a second pin hole 2611 is formed in the plug 261, and a positioning plug 12 penetrates through the first pin hole 2624 and is inserted into the second pin hole 2611, so that relative displacement between the plug 261 and the clamp 262 is avoided in the outward dragging process, and excessive leakage of pressure at the workpiece taking opening 9 is avoided.
In this embodiment, the plug 261 is a cylindrical hollow sleeve, one end of the plug 261 is closed, the other end of the plug 261 and the fetching port 9 can be mounted in a matched manner, the plug 261 plugs the compressed air in the inflation cavity, the inflation pressure is ensured to be continuously increased, the demolding requirement of the TPV corrugated hose 11 is met, an inflation cavity is formed among the plug 261, the fetching port 9, the TPV corrugated hose 11 and the mold core 55, and the air passage 24 is communicated with the inflation cavity.
The method for producing the molding device adopting the TPV corrugated hose, which is described above, is characterized by comprising the following steps:
1) And (3) injection molding of a mold: after the front template 32 and the rear template 42 are clamped by the front mould guide post 33 and the rear mould guide hole 43, injecting TPV elastomer into the pouring port 8 through the pouring pipe 61 of the pouring mechanism 6, so that the TPV elastomer is injected and molded outside the mould core 55 and inside the corrugated cavity to form the TPV corrugated hose 11;
2) Ejecting a die: after the TPV corrugated hose 11 is cooled, the front template 32 and the rear template 42 are opened, the inclined guide posts 72 leave the inclined holes 73 during mold opening, the core pulling slide blocks 71 are shifted to move outwards to finish the back-off core pulling of the part taking opening 9 formed by the TPV corrugated hose 11, an installation space is provided for installing the plug 261 in mold clamping, under the action of the pushing device 56, the push plate 51 is driven to move upwards along the push plate guide posts 53, so that the ejector rods 52, the fixed blocks 54 and the mold cores 55 are driven to move upwards, and the solidified TPV corrugated hose 11 is ejected out of the rear corrugated groove 44;
3) And (3) clamping a die: fitting the plug 261 to the inside of the take-out port 9 formed by the TPV bellows 11, fitting the clamp 262 to the outside surface of the take-out port 9 formed by the TPV bellows 11, and assembling and fixing the semicircular clamp 2621 and the plug 261 by passing the positioning pin 12 through the first pin hole 2624 and the second pin hole 2611, and the worker grips the long-handle grip 2622 so that the clamp 262 grips the take-out port 9;
4) Blowing and demoulding: the staff tramples control switch 23 for compressed air pipeline 22 and the compressed air intercommunication of gas holder 21, compressed air gets into confined taking out in mouth 9 through air inlet duct 25 and air flue 24, after compressed air is full of the inflation cavity, air pressure increases, make the gap between TPV bellows 11 and the mold core 55 enlarge gradually, provide the space for the drawing of patterns, after the anterior segment expansion of TPV bellows 11 reaches certain degree, compressed air reaches the back end, because here TPV bellows 11 is not pressed from both sides tightly, unnecessary compressed air can be through here pressure release, avoid TPV bellows 11 to be blown and explode, accomplish the separation of TPV bellows 11 and mold core 55, the staff pulls clamp 262 and TPV bellows 11, accomplish the drawing of patterns of TPV bellows 11 and get the piece.
The invention combines the characteristics of plastic mold injection molding and rubber mold blowing demolding, fully considers the man-machine engineering, ensures that the injection molding production efficiency is high, the inflation demolding is reliable, the manual workpiece taking is convenient, the device has low requirements on production equipment, can be produced by matching with a common injection molding machine, has lower equipment processing and depreciation cost, has stable production process and high product qualification rate, can recycle materials, meets the national energy-saving and emission-reducing requirements, and has stronger technical competitiveness compared with the TPV corrugated hose produced by the rubber vulcanization corrugated pipe and the 3D blow molding corrugated pipe.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present invention or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, which also falls within the scope of the present invention.
Claims (8)
1. A moulding device for a TPV corrugated hose, characterized by comprising a mould device (1) and a mould core (55);
the die device (1) comprises a front die mechanism (3) and a rear die mechanism (4) which can be matched and installed on the front die mechanism (3), wherein a ripple cavity for accommodating a die core (55) is formed between the front die mechanism (3) and the rear die mechanism (4);
the novel plastic injection molding device is characterized in that an ejection mechanism (5) for ejecting a mold core (55) from a corrugated cavity is further arranged on the rear mold mechanism (4), an injection molding space of a TPV corrugated hose (11) is formed between the mold core (55) and the corrugated cavity, a core-pulling sliding block (71) capable of being matched with the mold core (55) is arranged at one end of the corrugated cavity, the core-pulling sliding block (71) can be separated from the end face of the mold core (55) along with the opening of the front mold mechanism (3) and the rear mold mechanism (4), the mold core (55) is attached to the end face of the mold core (55) along with the closing of the front mold mechanism (3) and the rear mold mechanism (4), one end, matched with the core-pulling sliding block (71), of the mold core (55) can enable the TPV corrugated hose (11) to form a part taking opening (9), the part taking opening (9) can be matched with a plug (261) for plugging compressed air in an inflatable cavity, the plug (261) is a cylindrical hollow sleeve, one end of the plug (261) is sealed, and the air passage (24) is arranged on the mold core (55) from the mold core (55) to the core-pulling end face (71).
Front mould mechanism (3) are including preceding die press board (31), install preceding template (32) on preceding die press board (31), install a plurality of front mould guide pillar (33) on preceding template (32), be formed with preceding ripple groove (34) that are used for holding mold core (55) on preceding template (32), be equipped with on preceding die press board (31) and link to pouring gate (8) of preceding ripple groove (34).
2. The device for forming the TPV corrugated hose according to claim 1, wherein the rear mold mechanism (4) comprises a rear mold plate (41), a rear mold plate (42) is mounted on the rear mold plate (41), rear mold guide holes (43) matched with a plurality of front mold guide posts (33) are formed on the rear mold plate (42), rear corrugated grooves (44) for accommodating mold cores (55) are formed on the rear mold plate (42), and the front corrugated grooves (34) and the rear corrugated grooves (44) form corrugated cavities.
3. The device for forming the TPV corrugated hose according to claim 2, wherein the ejection mechanism (5) comprises a push plate (51) arranged on the rear die plate (41), the push plate (51) is positioned in the rear die plate (42), a push rod (52) is arranged at one end of the push plate (51), a push plate guide post (53) for guiding the movement of the push plate (51) is arranged on the rear die plate (41), a fixed block (54) is arranged at the top end of the push rod (52), a mold core (55) is arranged at one side of the fixed block (54), a pushing device (56) for enabling the push plate (51) to move along the push plate guide post (53) is arranged on the rear die plate (42), and copper sleeves (10) are arranged on the push rod (52) and the push plate guide post (53).
4. A TPV bellows moulding apparatus according to claim 1, characterized in that the pouring opening (8) in the front moulding plate (31) is connected to a pouring mechanism (6), the pouring mechanism (6) comprising a pouring tube (61), the pouring tube (61) being connected to the pouring opening (8).
5. The molding device of the TPV corrugated hose according to claim 2, wherein the mold device (1) further comprises a core pulling mechanism (7), the core pulling mechanism (7) comprises a core pulling sliding block (71) arranged on a rear mold plate (42) and an inclined guide post (72) arranged on a front mold plate (32), the inclined guide post (72) inclines towards the outer side of the front mold plate (32) along the direction of a sliding groove (74), the rear mold plate (42) is provided with the sliding groove (74) matched with the core pulling sliding block (71) so that the core pulling sliding block (71) can be attached to or separated from the end face of the mold core (55), the core pulling sliding block (71) is provided with an inclined hole (73) matched with the inclined guide post (72), and the inclined hole (73) is consistent with the inclined direction of the inclined guide post (72).
6. The device for forming the TPV corrugated hose according to claim 1, further comprising an air blowing demolding device (2), wherein the air blowing demolding device (2) comprises an air storage tank (21), a compressed air pipeline (22) connected with an air passage (24) is arranged at an air outlet of the air storage tank (21), a control switch (23) is arranged on the compressed air pipeline (22), the compressed air pipeline (22) is connected with an air inlet pipeline (25) arranged on a fixed block (54), and the air inlet pipeline (25) is communicated with the air passage (24).
7. The molding device of the TPV corrugated hose according to claim 6, wherein the blowing demolding device (2) further comprises a clamping mechanism (26) for demolding the TPV corrugated hose (11), the clamping mechanism (26) comprises a plug (261) for plugging a workpiece taking opening (9) and a clamp (262), the clamp (262) comprises two semicircular hoops (2621), long handle handles (2621) are installed on two sides of the semicircular hoops (2621), a connecting block (2623) is arranged in the middle of the semicircular hoops (2621), a first pin hole (2624) is formed in the connecting block (2623), the two semicircular hoops (2621) are mutually matched to form a circular ring, a second pin hole (2611) is formed in the plug (261), and a positioning bolt (12) penetrates through the first pin hole (2624) and is inserted into the second pin hole (2621).
8. Method for producing a moulding device for a corrugated TPV hose according to any of claims 1-7, comprising the steps of:
1) And (3) injection molding of a mold: after the front template (32) and the rear template (42) are clamped with the rear mould guide hole (43) through the front mould guide post (33), injecting a TPV elastomer into the pouring opening (8) through a pouring pipe (61) of the pouring mechanism (6), so that the TPV elastomer is injected and molded outside the mould core (55) and inside the corrugated cavity to form a TPV corrugated hose (11);
2) Ejecting a die: opening the front template (32) and the rear template (42), leaving the inclined hole (73) by the inclined guide post (72) during mold opening, poking the core pulling slide block (71) to move outwards to finish the back-off core pulling of the component taking port (9) formed by the TPV corrugated hose (11), and ejecting the solidified TPV corrugated hose (11) from the rear corrugated groove (44) under the action of the pushing device (56);
3) And (3) clamping a die: fitting a plug (261) to the inner side of a piece taking opening (9) formed by a TPV corrugated hose (11), fitting a clamp (262) to the outer side surface of the piece taking opening (9) formed by the TPV corrugated hose (11), and assembling and fixing a semicircular clamp (2621) and the plug (261) through a first pin hole (2624) and a second pin hole (2611), wherein a worker grips a long-handle grip (2622) so that the clamp (262) clamps the piece taking opening (9);
4) Blowing and demoulding: staff tramples control switch (23) for compressed air pipeline (22) and the compressed air intercommunication of gas holder (21), compressed air gets into in confined getting a mouthful (9) through air inlet pipe (25) and air flue (24), makes the gap between TPV corrugated hose (11) and mold core (55) enlarge gradually, accomplishes the separation of TPV corrugated hose (11) and mold core (55), and the staff pulls clamp (262) and TPV corrugated hose (11), accomplishes the drawing of patterns of TPV corrugated hose (11) and gets a piece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210718143.0A CN115195037B (en) | 2022-06-23 | 2022-06-23 | Forming device and production method of TPV corrugated hose |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210718143.0A CN115195037B (en) | 2022-06-23 | 2022-06-23 | Forming device and production method of TPV corrugated hose |
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| CN115195037B true CN115195037B (en) | 2024-02-27 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05245889A (en) * | 1992-03-06 | 1993-09-24 | Koutoku Kogyo Kk | Manufacture of bellows tube and its molding device |
| CN1202130A (en) * | 1995-11-13 | 1998-12-16 | 普罗克特和甘保尔公司 | Method for stripping open ended bellows part from injection mold |
| CN1613628A (en) * | 2003-09-02 | 2005-05-11 | 富国股份有限公司 | Method of manufacturing boot for constant-velocity universal joint and manufacturing apparatus for use in the method, and boot for constant velocity universal joint |
| CN202016179U (en) * | 2011-04-25 | 2011-10-26 | 台州市黄岩炜大塑料机械有限公司 | Ejection mechanism with inclined guide pillar and outer slide block for improved injection mould |
| CN103817883A (en) * | 2012-11-17 | 2014-05-28 | 陈海央 | Compressed air demoulding device for thin-walled deep-cavity mould |
| CN204278335U (en) * | 2014-12-05 | 2015-04-22 | 温岭市华风橡胶厂 | The combining structure of bellows automatic demoulding gas hood and core rod |
| CN206945434U (en) * | 2017-05-25 | 2018-01-30 | 浙江伟星新型建材股份有限公司 | A kind of multiple tube suppresses test device with water-impervious |
| CN207290663U (en) * | 2017-07-19 | 2018-05-01 | 苏州市新福林模具有限公司 | A kind of blowning installation on demoulding mechanism |
| CN209191274U (en) * | 2018-12-29 | 2019-08-02 | 东江模具（深圳）有限公司 | One kind being easy to stripping forming mold for corrugated tube shape rubber product |
| CN210308634U (en) * | 2019-08-14 | 2020-04-14 | 烟台鸿泽橡塑制品有限公司 | Bellows processing subassembly |
| CN213137616U (en) * | 2020-07-10 | 2021-05-07 | 沈阳实发特种橡胶制品有限公司 | Bellows mould plastics and uses mould |
| CN114536667A (en) * | 2022-02-23 | 2022-05-27 | 安徽中鼎橡塑制品有限公司 | Bellows injection mold |
| CN217621924U (en) * | 2022-06-23 | 2022-10-21 | 成都万友滤机有限公司 | Forming device of TPV corrugated hose |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9545747B2 (en) * | 2013-02-03 | 2017-01-17 | Mann+Hummel Gmbh | System for injection molding and related method |
-
2022
- 2022-06-23 CN CN202210718143.0A patent/CN115195037B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05245889A (en) * | 1992-03-06 | 1993-09-24 | Koutoku Kogyo Kk | Manufacture of bellows tube and its molding device |
| CN1202130A (en) * | 1995-11-13 | 1998-12-16 | 普罗克特和甘保尔公司 | Method for stripping open ended bellows part from injection mold |
| CN1613628A (en) * | 2003-09-02 | 2005-05-11 | 富国股份有限公司 | Method of manufacturing boot for constant-velocity universal joint and manufacturing apparatus for use in the method, and boot for constant velocity universal joint |
| CN202016179U (en) * | 2011-04-25 | 2011-10-26 | 台州市黄岩炜大塑料机械有限公司 | Ejection mechanism with inclined guide pillar and outer slide block for improved injection mould |
| CN103817883A (en) * | 2012-11-17 | 2014-05-28 | 陈海央 | Compressed air demoulding device for thin-walled deep-cavity mould |
| CN204278335U (en) * | 2014-12-05 | 2015-04-22 | 温岭市华风橡胶厂 | The combining structure of bellows automatic demoulding gas hood and core rod |
| CN206945434U (en) * | 2017-05-25 | 2018-01-30 | 浙江伟星新型建材股份有限公司 | A kind of multiple tube suppresses test device with water-impervious |
| CN207290663U (en) * | 2017-07-19 | 2018-05-01 | 苏州市新福林模具有限公司 | A kind of blowning installation on demoulding mechanism |
| CN209191274U (en) * | 2018-12-29 | 2019-08-02 | 东江模具（深圳）有限公司 | One kind being easy to stripping forming mold for corrugated tube shape rubber product |
| CN210308634U (en) * | 2019-08-14 | 2020-04-14 | 烟台鸿泽橡塑制品有限公司 | Bellows processing subassembly |
| CN213137616U (en) * | 2020-07-10 | 2021-05-07 | 沈阳实发特种橡胶制品有限公司 | Bellows mould plastics and uses mould |
| CN114536667A (en) * | 2022-02-23 | 2022-05-27 | 安徽中鼎橡塑制品有限公司 | Bellows injection mold |
| CN217621924U (en) * | 2022-06-23 | 2022-10-21 | 成都万友滤机有限公司 | Forming device of TPV corrugated hose |
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