CN116551907B - EPP bumper forming device and forming method thereof - Google Patents

EPP bumper forming device and forming method thereof Download PDF

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Publication number
CN116551907B
CN116551907B CN202310771917.0A CN202310771917A CN116551907B CN 116551907 B CN116551907 B CN 116551907B CN 202310771917 A CN202310771917 A CN 202310771917A CN 116551907 B CN116551907 B CN 116551907B
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CN
China
Prior art keywords
pipe
hollow seat
die holder
fixedly connected
forming
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Active
Application number
CN202310771917.0A
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Chinese (zh)
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CN116551907A (en
Inventor
郭恒兵
陈秋云
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Suzhou Zehan Automotive Parts Co ltd
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Suzhou Zehan Automotive Parts Co ltd
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Priority to CN202310771917.0A priority Critical patent/CN116551907B/en
Publication of CN116551907A publication Critical patent/CN116551907A/en
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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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/58—Moulds
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3044—Bumpers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses an EPP bumper forming device and a forming method thereof, belonging to the technical field of EPP forming equipment, and comprising a fixing plate: the fixed plate is connected with a pushing component; the pushing assembly comprises a first hydraulic cylinder and a guide rod, the first hydraulic cylinder is fixedly arranged on the side wall of the fixed plate, and the four corners of the fixed plate are respectively connected with the guide rod; the pushing assembly is connected with a linkage type temperature control die holder assembly, the linkage type temperature control die holder assembly comprises a left die holder and a right die holder, the left die holder is fixedly connected with the driving end of the first hydraulic cylinder, the left die holder is in fit sliding connection with the guide rod, the right die holder is fixedly connected with the end part of the guide rod, and the left die holder is communicated with the right die holder when the left die holder is in fit contact with the right die holder; the left die holder and the right die holder are connected with forming dies, and the forming dies are connected with the left die holder and the right die holder in a sealing way; through the mode, the invention realizes synchronous rapid cooling and rapid heating, and ensures the molding quality.

Description

EPP bumper forming device and forming method thereof
Technical Field
The invention relates to the technical field of EPP forming equipment, in particular to an EPP bumper forming device and an EPP bumper forming method.
Background
The EPP bumper is formed by stamping through an EPP bead integrated cavity die, the product quality is controlled mainly by adjusting the molding density, the service performance of the product needs to be balanced with the rebound resilience index and the hardness index, and the EPP bumper is free of burrs and free of burrs after being molded through a molding device, and the product quality is guaranteed through material trimming.
For example, the utility model CN202023270601.4EPP automobile bumper production mould relates to the technical field of EPP automobile bumper production, and to the problem that current EPP automobile bumper production mould heat dispersion is poor, the present proposal is put forward, and it includes loading box, loading box's top screw fixation has the bed die, the top of bed die is equipped with the mould, bed die and last mould cooperation work, loading box's top is equipped with the roof, be equipped with the connecting block between mould and the roof, the bottom welding of connecting block one end has loading block. The utility model can effectively dissipate heat of the die through air cooling and water cooling, and can drive the heat dissipation part of the die to rotate at a uniform speed in the circumferential direction, thereby effectively dissipating heat of other parts of the die, effectively filtering and recycling excessive water liquid of water cooling heat dissipation, and having high working performance and strong heat dissipation performance.
However, the above structure has the following problems: the cooling mode is from outside cooling, and whole cooling rate is slower, and goes up mould cooling rate and compare in the bed die slower, can't realize synchronous quick cooling, influences the shaping quality easily, simultaneously, can't carry out the evacuation treatment for shaping quality compares in vacuum forming quality poor, in addition, can't carry out automatic discharge, still needs extra structure to correspond and gets the material, is unfavorable for actual production line rapid production.
Based on the above, the present invention has devised an EPP bumper molding apparatus and a molding method thereof to solve the above-mentioned problems.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides an EPP bumper molding apparatus and molding method thereof.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
an EPP bumper forming apparatus includes a fixing plate:
the fixed plate is connected with a pushing component;
the pushing assembly comprises a first hydraulic cylinder and a guide rod, the first hydraulic cylinder is fixedly arranged on the side wall of the fixed plate, and the four corners of the fixed plate are respectively connected with the guide rod;
the pushing assembly is connected with a linkage type temperature control die holder assembly, the linkage type temperature control die holder assembly comprises a left die holder and a right die holder, the left die holder is fixedly connected with the driving end of the first hydraulic cylinder, the left die holder is in fit sliding connection with the guide rod, the right die holder is fixedly connected with the end part of the guide rod, and the left die holder is communicated with the right die holder when the left die holder is in fit contact with the right die holder;
The left die holder and the right die holder are connected with forming dies, and the forming dies are connected with the left die holder and the right die holder in a sealing way;
the right die holder is connected with a second pushing component for vacuumizing and sealing feeding.
Further, the left die holder comprises a sliding plate, a first hollow seat, a first plug-in inner tube, a first connecting tube, a second connecting tube and a second plug-in inner tube, the end part of the sliding plate, which is far away from the pushing component, is fixedly connected with the first hollow seat, the air hole part of the upper end of the rear end of the first hollow seat is fixedly connected with the second connecting tube, the end part of the second connecting tube, which is far away from the sliding plate, is fixedly connected with the second plug-in inner tube, the air hole part of the lower end of the front end of the first hollow seat is fixedly connected with the first connecting tube, and the end part of the first connecting tube, which is far away from the sliding plate, is fixedly connected with the first plug-in inner tube;
the sliding plate is in fit sliding connection with the guide rod through a linear bearing;
the end part of the sliding plate, which is close to the first hydraulic cylinder, is fixedly connected with the output end of the first hydraulic cylinder.
Further, the right die holder comprises a second hollow seat, a steam inlet pipe, a first three-way valve, a cooling air inlet pipe, a one-way valve, a first air outlet pipe, a steam outlet pipe, a second three-way valve, a cooling air outlet pipe, a first plug sleeve, a second plug outer pipe, an air inlet pipe and a fixed support plate, wherein the end face of the fixed support plate, which is close to the first hydraulic cylinder, is fixedly connected with the second hollow seat, the air hole at the upper end of the rear end of the second hollow seat is fixedly connected with the air inlet pipe, the side wall of the air inlet pipe, which is close to the sliding plate, is fixedly connected with the second plug outer pipe which is plugged with the second plug inner pipe, the outer end of the air inlet pipe is fixedly connected with the first three-way valve, the two groups of air inlet ends of the first three-way valve are respectively fixedly connected with the steam inlet pipe and the cooling air inlet pipe, the air outlet hole at the lower end of the front end of the second hollow seat is fixedly connected with the first three-way valve, the end of the first three-way valve is fixedly connected with the end of the first air outlet pipe, and the two groups of air outlet pipes are respectively fixedly connected with the steam inlet pipe and the cooling air outlet pipe at the position between the first three-way valve and the first plug sleeve;
The steam inlet pipe is connected with the steam source output end, and the steam outlet pipe is connected with the steam source input end;
the cooling air inlet pipe is connected with the output end of the cooling gas source, and the cooling gas outlet pipe is connected with the input end of the cooling gas source;
when the first hollow seat and the second hollow seat are in fit contact, the first plug inner pipe is plugged with the first plug sleeve, and the second plug inner pipe is plugged with the second plug outer pipe; the fixed support plate is fixedly connected with the end part of the guide rod, which is far away from the first hydraulic cylinder.
Further, the forming die comprises a plugging groove forming block, a die core, a first die holder, a forming groove, a second die holder and a mounting through groove forming column, wherein the end part of the first die holder, which is close to the pushing component, is fixedly connected with the die core, the end part of the die core, which is close to the pushing component, is symmetrically and fixedly connected with the plugging groove forming block, and a gap exists at the position, corresponding to the end surface of the forming groove, of the end part of the plugging groove forming block, which is close to the second die holder;
the end part of the second die holder, which is far away from the first hydraulic cylinder, is provided with a forming groove, the end surface of the forming groove, which is far away from the pushing component, is symmetrically and fixedly connected with a mounting through groove forming column, and the mounting through groove forming column is close to the end surface of the second hollow seat and is in fit contact with the end surface of the die core.
Furthermore, the second die holders are inserted in the first hollow seat at equal intervals, the outer walls of the two groups of second die holders are in fit contact with the inner wall of the first hollow seat, the front side wall and the rear side wall of the adjacent second die holders are in fit contact, and the upper end and the lower end of the second die holders are in fit contact with the inner top and the inner bottom of the first hollow seat;
the first die holder is inserted in the second hollow seat at equal intervals, the outer two groups of the outer walls of the first die holder are in fit contact with the inner walls of the second hollow seat, the front side wall and the rear side wall of the adjacent first die holder are in fit contact, and the upper end and the lower end of the first die holder are in fit contact with the inner top and the inner bottom of the second hollow seat.
Still further, the second pushes away material subassembly and includes sleeve, second slide bar connecting plate, first cylinder, second cylinder, feed bin, exhaust tube mount pad, connecting air pipe, pipe guide, solenoid valve, pushing post, second cross slot, third connecting pipe, urceolus, fourth connecting pipe and feed bin mounting bracket, fixed support plate top fixedly connected with feed bin mounting bracket and exhaust tube mount pad, equidistant fixedly connected with feed bin of feed bin mounting bracket, feed bin bottom fixedly connected with pipe guide, pipe guide bottom fixedly mounted is close to on the tip of first pushing away material subassembly in the sleeve, laminating sliding connection has the pushing post in the sleeve, the pushing post is kept away from the tip fixedly connected with second slide bar connecting plate of pushing subassembly, the fixed support plate is kept away from the tip fixedly connected with second cylinder of pushing subassembly, second cylinder drive end fixedly connected with first cylinder, and first cylinder drive end and second connecting plate bottom fixedly connected with, fixed support plate evenly fixedly connected with feed bin, feed bin bottom fixedly connected with fourth connecting pipe, laminating sliding connection has the pushing post in the sleeve, the tip fixedly connected with second connecting pipe and the fourth connecting pipe, the tip fixedly connected with the third connecting pipe is kept away from the tip fixedly connected with second slide bar connecting plate in the second air pipe, the tip fixedly connected with the fourth connecting pipe, the tip of the air pipe is kept away from the second cross slot, the tip fixedly connected with the third connecting pipe in the air pipe is kept away from the second connecting plate, the exhaust pipe is connected with an external vacuum pump.
Further, when the telescopic end of the second cylinder is completely extended and the output end of the first cylinder is completely recovered, the end part of the pushing column, which is close to the pushing assembly, is positioned on the outer side of the end part of the guide pipe, which is far away from the pushing assembly, and after the second cylinder and the output end of the first cylinder are completely recovered, the outer end of the pushing column is flush with the mold core, and the end part of the pushing column, which is far away from the pushing assembly, is positioned on the outer side of the end part of the guide pipe, which is far away from the pushing assembly.
Furthermore, the left die holder and the right die holder are connected with a fast assembly component for fast assembly of the forming die, and the fast assembly component is connected with the forming die.
Further, the left die holder and the forming die are connected with a first pushing component for pushing out the cooled EPP bumper.
A molding method of an EPP bumper molding apparatus, comprising the steps of:
1. replacing the corresponding forming die by the fast-assembling component;
2. the first hydraulic cylinder of the pushing assembly drives the sliding plate of the left die holder of the linkage type temperature control die holder assembly to move along the guide rod, the sliding plate drives the first hollow seat to move towards the second hollow seat of the right die holder, the first hollow seat drives the first connecting pipe and the second connecting pipe to move, when the first hollow seat and the second hollow seat are in joint contact, the first plug inner pipe is plugged with the first plug sleeve, the second plug inner pipe is plugged with the second plug outer pipe, so that the joint contact of the first hollow seat and the second hollow seat is realized, and the first hollow seat and the second hollow seat are communicated;
3. Putting quantitative materials into corresponding bins respectively, fully extending out the telescopic ends of the second cylinders, fully recovering the output ends of the first cylinders, enabling the materials in the bins to enter the sleeve through the material guide pipe, enabling the materials in the bins to enter the forming grooves through the fourth connecting pipe, the third connecting pipe and the second transverse groove, enabling the telescopic ends of the second cylinders to reciprocate, pushing the material pushing columns to reciprocate, enabling the material pushing columns to push the materials in the fourth connecting pipe, the third connecting pipe and the second transverse groove to enter the forming grooves, and enabling the quantitative materials in the bins to be fully conveyed into the forming grooves;
then, the output end of the second cylinder is completely recovered, the extending end of the first cylinder is completely extended, the first cylinder drives the second slide bar connecting plate to move, the second slide bar connecting plate drives the second slide bar to move, the second slide bar drives the pushing column to move to the end part of the fourth connecting pipe, which is close to the pushing component, the electromagnetic valve is opened, the external vacuum pump pumps the second transverse groove and the gas in the forming die to flow through the exhaust pipe and the connecting air pipe, the forming die is pumped to a vacuum state, then, the output end of the first cylinder is completely recovered, and the outer end of the pushing column is flush with the die core;
4. the first three-way valve is opened to the steam inlet pipe, the cooling air inlet pipe is closed, the second three-way valve is opened to the steam outlet pipe, the cooling gas outlet pipe is closed, heated steam enters the air inlet pipe through the steam inlet pipe and then enters the second hollow seat, meanwhile, the heated steam enters the first hollow seat through the second plug outer pipe, the second plug inner pipe and the second connecting pipe, the first hollow seat and the second hollow seat are subjected to simultaneous heating treatment, the heated steam in the first hollow seat enters the first air outlet pipe through the first connecting pipe, the first plug inner pipe and the first plug sleeve, meanwhile, the steam in the second hollow seat enters the first air outlet pipe through the one-way valve and finally is discharged through the steam outlet pipe, and a group of steam sources are used for simultaneously heating the first hollow seat and the second hollow seat; the first three-way valve is closed to the steam inlet pipe, the cooling air inlet pipe is opened, the second three-way valve is closed to the steam outlet pipe, the cooling gas is opened to the cooling gas outlet pipe, the cooling gas enters the air inlet pipe through the cooling air inlet pipe and then enters the second hollow seat, meanwhile, the cooling gas enters the first hollow seat through the second plug outer pipe, the second plug inner pipe and the second connecting pipe, the first hollow seat and the second hollow seat are subjected to simultaneous heating treatment, the cooling gas in the first hollow seat after cooling enters the first air outlet pipe through the first connecting pipe, the first plug inner pipe and the first plug sleeve, meanwhile, the cooling gas in the second hollow seat enters the first air outlet pipe through the one-way valve and finally is discharged through the cooling gas outlet pipe, a group of cooling gas sources are used for simultaneously cooling the first hollow seat and the second hollow seat, the temperature of the first hollow seat and the second hollow seat are convenient to control in the same temperature section, the forming die is used for heating the post-forming groove and the die core to be matched with the forming hollow boat type insurance, the plug forming groove forming block mounting hole is realized, and the mounting through hole penetrates through the post forming hole;
5. The first hydraulic cylinder drives the sliding plate to move towards the first hydraulic cylinder after cooling, and the first pushing component automatically discharges the cooled hollow ship-shaped EPP bumper in the first hollow seat after the first hollow seat and the second hollow seat are separated.
Advantageous effects
According to the invention, the sliding plate of the left die holder of the linkage type temperature control die holder assembly is driven to move along the guide rod by the first hydraulic cylinder of the pushing assembly, the sliding plate drives the first hollow seat to move towards the second hollow seat of the right die holder, the first hollow seat drives the first connecting pipe and the second connecting pipe to move, the first inserting inner pipe is inserted into the first inserting sleeve pipe, the second inserting inner pipe is inserted into the second inserting outer pipe when the first hollow seat and the second hollow seat are in contact with each other, the first three-way valve is opened towards the steam inlet pipe, the cooling air inlet pipe is closed, the second three-way valve is opened towards the steam outlet pipe, the cooling air outlet pipe is closed, heated steam enters the air inlet pipe through the steam inlet pipe and then enters the second hollow seat, meanwhile, the first hollow seat and the second hollow seat are heated simultaneously, and the steam in the first hollow seat enters the first air outlet pipe through the first connecting pipe, the first inserting inner pipe and the first inserting sleeve pipe and the first air outlet pipe after heating, and finally the second hollow seat are heated simultaneously; the first three-way valve is closed to the steam inlet pipe during cooling, the cooling air inlet pipe is opened, the second three-way valve is closed to the steam outlet pipe, the cooling gas is opened to the cooling gas outlet pipe, cooling gas enters into the air inlet pipe through the cooling air inlet pipe and then enters into the second hollow seat, meanwhile, the cooling gas enters into the first hollow seat through the second plug outer pipe, the second plug inner pipe and the second connecting pipe, the first hollow seat and the second hollow seat are subjected to simultaneous heating treatment, cooling gas in the first hollow seat after cooling enters into the first air outlet pipe through the first connecting pipe, the first plug inner pipe and the first plug sleeve, meanwhile, cooling gas in the second hollow seat enters into the first air outlet pipe through the one-way valve and finally is discharged through the cooling gas outlet pipe, a group of cooling gas sources are used for simultaneously cooling the first hollow seat and the second hollow seat, the simultaneous temperature control is convenient, the temperature of the first hollow seat and the second hollow seat is convenient to control in the same temperature section, synchronous rapid cooling and rapid heating are realized, and the molding quality is guaranteed.
According to the hollow ship-shaped EPP bumper, the molding grooves and the mold cores are matched to mold the hollow ship-shaped EPP bumper after heating, the molding blocks of the inserting grooves are molded to install the inserting holes, the molding screws of the molding columns of the inserting grooves are installed to penetrate through the holes, and the produced hollow ship-shaped EPP bumper is convenient to insert and install through bolts.
According to the invention, after the first hollow seat and the second hollow seat are in fit contact, quantitative materials are respectively placed in corresponding bins, the telescopic end of the second cylinder is completely extended, the output end of the first cylinder is completely recovered, the materials in the bins enter the sleeve through the material guide pipe, then enter the forming groove through the second connecting pipe, the first connecting pipe and the second transverse groove, the telescopic end of the second cylinder moves back and forth to push the material pushing column to move back and forth, and the material pushing column pushes the materials in the second connecting pipe, the first connecting pipe and the second transverse groove to enter the forming groove, so that quantitative materials in the bins are completely conveyed into the forming groove.
The output end of the second cylinder is completely recovered when vacuumizing, the extending end of the first cylinder is completely extended, the first cylinder drives the second slide bar connecting plate to move, the second slide bar connecting plate drives the second slide bar to move, the second slide bar drives the pushing column to move to the end part of the second connecting pipe, which is close to the pushing component, the electromagnetic valve is opened, the external vacuum pump pumps the second transverse groove and the gas flow in the forming die through the exhaust pipe and the connecting air pipe, the forming die is pumped to a vacuum state, then, the output end of the first cylinder is completely recovered, the outer end of the pushing column is flush with the die core, the vacuumizing forming is facilitated, and the forming quality is ensured.
According to the invention, when the forming die is replaced, the rotating plate of the fast assembly component is pushed upwards, the rotating plate drives the lock rod to move upwards, the rotating plate rotates along the limiting ring after the bottom of the lock rod moves to the top of the locking jack, the rotating plate rotates to be in contact with the top of the cushion block to prop up the lock rod, the new first die holder or the second die holder drives the plug-in block to be plugged with the plug-in groove, then the rotating plate is separated from the cushion block, the second spring drives the lock rod to move downwards, the lock rod is plugged into the locking jack, and the plug-in groove, the plug-in block, the lock rod and the locking jack are matched to lock the first die holder or the second die holder, so that the first die holder or the second die holder can be replaced quickly.
The first spring is in a compressed state, so that the sealing and inserting of the circular plate and the groove are facilitated, the integrity of the forming groove is guaranteed, the first hydraulic cylinder drives the sliding plate to move after the EPP bumper in the forming mold is cooled, the sliding plate drives the first sliding rod to move, the first sliding rod moves to be in contact with the fixed plate, the sliding plate continues to move, the position of the circular plate is pushed to be unchanged, the circular plate is pushed to move out of the groove, the circular plate is pushed to push the cooled EPP bumper in the forming groove out of the forming groove, the cooled EPP bumper is conveniently and automatically discharged, and the quick production of an actual production line is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a perspective view showing a main structure of an EPP bumper forming apparatus according to the present invention;
FIG. 2 is a front view showing the structure of the EPP bumper forming apparatus according to the present invention;
FIG. 3 is a right side view showing the construction of the EPP bumper forming apparatus according to the present invention;
FIG. 4 is a perspective view of a main body of the EPP bumper forming apparatus according to the present invention;
FIG. 5 is a perspective view showing a main structure of an EPP bumper forming apparatus according to the present invention;
FIG. 6 is a perspective view showing a main structure of an EPP bumper forming apparatus according to the present invention;
FIG. 7 is a perspective view showing a main structure of an EPP bumper forming apparatus according to the present invention;
FIG. 8 is a perspective view showing a main structure of an EPP bumper forming apparatus according to the present invention;
FIG. 9 is a cross-sectional view taken along the direction A-A of FIG. 2;
FIG. 10 is a cross-sectional view taken along the B-B direction of FIG. 2;
FIG. 11 is a cross-sectional view taken along the direction C-C of FIG. 2;
FIG. 12 is a cross-sectional view taken along the direction D-D of FIG. 3;
FIG. 13 is an enlarged view of FIG. 12 at E;
fig. 14 is an enlarged view at F of fig. 12.
Reference numerals in the drawings represent respectively:
1. a fixing plate;
2. a pushing assembly; 21. a first hydraulic cylinder; 22. a guide rod;
3. the first pushing assembly; 31. a first spring; 32. a groove; 33. pushing the circular plate; 34. a first slide bar; 35. a first transverse slot;
4. a linkage type temperature control die holder component; 41. a sliding plate; 42. a first hollow seat; 43. a second hollow seat; 44. a steam inlet pipe; 45. a first three-way valve; 46. a cooling air inlet pipe; 47. a one-way valve; 48. a first air outlet pipe; 49. a steam outlet pipe; 410. a second three-way valve; 411. a cooling gas outlet pipe; 412. a first plug sleeve; 413. a first plug-in inner tube; 414. a first connection pipe; 415. a second connection pipe; 416. a second plug-in inner pipe; 417. a second plug-in outer tube; 418. an air inlet pipe; 419. a fixed support plate;
5. a forming die; 51. a plug groove forming block; 52. a mold core; 53. a first die holder; 54. a forming groove; 55. a second die holder; 56. installing a through groove forming column;
6. the second pushing component; 61. a sleeve; 62. a second slide bar; 63. the second slide bar connecting plate; 64. a first cylinder; 65. a second cylinder; 66. a storage bin; 67. an exhaust pipe; 68. an exhaust pipe mounting seat; 69. connecting an air pipe; 610. a material guiding pipe; 611. an electromagnetic valve; 612. pushing the material column; 613. a second transverse slot; 614. a third connection pipe; 615. an outer cylinder; 616. a fourth connection pipe; 617. a bin mounting rack;
7. A quick assembly component; 71. a rotating plate; 72. a limiting ring; 73. a cushion block; 74. a plug-in groove; 75. a plug block; 76. a lock lever; 77. a second spring; 78. locking the jack.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Example 1
Referring to fig. 1 to 14 of the drawings, an EPP bumper forming apparatus includes a fixing plate 1:
the fixed plate 1 is connected with a pushing component 2;
the pushing assembly 2 comprises a first hydraulic cylinder 21 and a guide rod 22, the first hydraulic cylinder 21 is fixedly arranged on the side wall of the fixed plate 1, and four corners of the fixed plate 1 are respectively connected with the guide rod 22;
the pushing component 2 is connected with a linkage type temperature control die holder component 4, the linkage type temperature control die holder component 4 comprises a left die holder and a right die holder, the left die holder is fixedly connected with the driving end of the first hydraulic cylinder 21, the left die holder is in fit sliding connection with the guide rod 22, the right die holder is fixedly connected with the end part of the guide rod 22, and the left die holder is communicated with the right die holder when the left die holder and the right die holder are in fit contact;
The left die holder comprises a sliding plate 41, a first hollow seat 42, a first plug-in inner pipe 413, a first connecting pipe 414, a second connecting pipe 415 and a second plug-in inner pipe 416, wherein the first hollow seat 42 is fixedly connected with the end part of the sliding plate 41 far away from the pushing component 2, the second connecting pipe 415 is fixedly connected with the air hole at the upper end of the rear end of the first hollow seat 42, the second plug-in inner pipe 416 is fixedly connected with the end part of the second connecting pipe 415 far away from the sliding plate 41, the first connecting pipe 414 is fixedly connected with the air hole at the lower end of the front end of the first hollow seat 42, and the first plug-in inner pipe 413 is fixedly connected with the end part of the first connecting pipe 414 far away from the sliding plate 41;
the sliding plate 41 is in fit sliding connection with the guide rod 22 through a linear bearing;
the end part of the sliding plate 41, which is close to the first hydraulic cylinder 21, is fixedly connected with the output end of the first hydraulic cylinder 21;
the right die holder comprises a second hollow seat 43, a steam inlet pipe 44, a first three-way valve 45, a cooling air inlet pipe 46, a one-way valve 47, a first air outlet pipe 48, a steam outlet pipe 49, a second three-way valve 410, a cooling air outlet pipe 411, a first plug sleeve 412, a second plug outer pipe 417, an air inlet pipe 418 and a fixed support plate 419, wherein the end face of the fixed support plate 419, which is close to the first hydraulic cylinder 21, is fixedly connected with the second hollow seat 43, the air inlet pipe 418, which is close to the side wall of the sliding plate 41, is fixedly connected with a second plug outer pipe 417 which is plugged with the second plug inner pipe 416, the outer end of the air inlet pipe 418 is fixedly connected with the first three-way valve 45, two groups of air inlet ends of the first three-way valve 45 are respectively fixedly connected with the steam inlet pipe 44 and the cooling air inlet pipe 46, the end of the front end of the second hollow seat 43 is fixedly connected with the first air outlet pipe 48, the end of the first three-way valve 48, the end of the first air outlet pipe 48, which is close to the first three-way valve 47, the outer end of the first air outlet pipe 48, the second three-way valve 410, the two groups of air outlet pipe 410, the two air outlet pipe 412, the two groups of air outlet pipe 410, and the two air outlet pipe 410 are respectively, are fixedly connected with the first three-way valve 47, and the two groups of the air outlet pipe 47 are fixedly connected with the first three-way valve positions of the air inlet pipe 46;
The steam inlet pipe 44 is connected with the output end of the steam source, and the steam outlet pipe 49 is connected with the input end of the steam source, so that the cyclic use of the steam is realized;
the cooling air inlet pipe 46 is connected with the output end of the cooling gas source, and the cooling gas outlet pipe 411 is connected with the input end of the cooling gas source, so that the cooling gas can be recycled;
when the first hollow seat 42 and the second hollow seat 43 are in fit contact, the first plug inner pipe 413 is plugged with the first plug sleeve 412, and the second plug inner pipe 416 and the second plug outer pipe 417 are plugged; the fixed support plate 419 is fixedly connected with the end of the guide rod 22 away from the first hydraulic cylinder 21;
the first hydraulic cylinder 21 of the pushing component 2 drives the sliding plate 41 of the left die holder of the linkage type temperature control die holder component 4 to move along the guide rod 22, the sliding plate 41 drives the first hollow seat 42 to move towards the second hollow seat 43 of the right die holder, the first hollow seat 42 drives the first connecting pipe 414 and the second connecting pipe 415 to move, when the first hollow seat 42 and the second hollow seat 43 are in contact with each other, the first plug inner pipe 413 is plugged with the first plug sleeve 412, the second plug inner pipe 416 and the second plug outer pipe 417, when heating is carried out, the first three-way valve 45 is opened to the steam inlet pipe 44, the cooling air inlet pipe 46 is closed, the second three-way valve 410 is opened to the steam outlet pipe 49, the heating steam enters the air inlet pipe 418 through the steam inlet pipe 44 and then enters the second hollow seat 43, and simultaneously, the first hollow seat 42 and the second hollow seat 43 are heated through the second plug outer pipe 417, the second plug inner pipe 416 and the second connecting pipe 415 are simultaneously, the first hollow seat 42 and the second hollow seat 43 are heated, after heating, the first hollow seat 42 enters the first hollow seat 43 and the first hollow seat 48 through the first connecting pipe 47 and the first hollow seat 48 are simultaneously heated, and the steam outlet pipe 48 simultaneously, and the steam inside the first hollow seat 43 are simultaneously heated through the first hollow seat 43 and the first hollow seat 43; the first three-way valve 45 is closed to the steam inlet pipe 44, the cooling air inlet pipe 46 is opened, the second three-way valve 410 is closed to the steam outlet pipe 49, the cooling gas outlet pipe 411 is opened, the cooling gas enters the air inlet pipe 418 through the cooling air inlet pipe 46 and then enters the second hollow seat 43, meanwhile, the cooling gas enters the first hollow seat 42 through the second plug outer pipe 417, the second plug inner pipe 416 and the second connecting pipe 415, the first hollow seat 42 and the second hollow seat 43 are subjected to simultaneous heating treatment, after cooling, the cooling gas in the first hollow seat 42 enters the first air outlet pipe 48 through the first connecting pipe 414, the first plug inner pipe 413 and the first plug sleeve 412, meanwhile, the cooling gas in the second hollow seat 43 enters the first air outlet pipe 48 through the one-way valve 47 and finally is discharged through the cooling gas outlet pipe 411, so that a group of cooling gas sources can cool the first hollow seat 42 and the second hollow seat 43 simultaneously, the temperature of the first hollow seat 42 and the second hollow seat 43 can be controlled conveniently at the same time, the temperature of the first hollow seat 42 and the second hollow seat 43 can be controlled conveniently, the temperature can be controlled at the same temperature section, the rapid cooling and the rapid molding quality can be realized, and the rapid molding and rapid heating can be ensured;
The left die holder and the right die holder are connected with a forming die 5, and the forming die 5 is connected with the left die holder and the right die holder in a sealing way;
the forming die 5 comprises a plugging groove forming block 51, a die core 52, a first die holder 53, a forming groove 54, a second die holder 55 and a mounting through groove forming column 56, wherein the die core 52 is fixedly connected to the end part of the first die holder 53, which is close to the pushing component 2, the plugging groove forming block 51 is symmetrically and fixedly connected to the end part of the die core 52, which is close to the pushing component 2, and a gap exists at the position, corresponding to the end surface of the forming groove 54, of the end part of the plugging groove forming block 51, which is close to the second die holder 55;
the end part of the second die holder 55 far away from the first hydraulic cylinder 21 is provided with a forming groove 54, the end surface of the forming groove 54 far away from the pushing component 2 is symmetrically and fixedly connected with a mounting through groove forming column 56, and the end surface of the mounting through groove forming column 56 close to the second hollow seat 43 is in fit contact with the end surface of the die core 52;
the second die holders 55 are inserted in the first hollow seat 42 at equal intervals, the outer walls of the two groups of second die holders 55 at the outer side are in fit contact with the inner wall of the first hollow seat 42, the front side wall and the rear side wall of the adjacent second die holders 55 are in fit contact, and the upper end and the lower end of each second die holder 55 are in fit contact with the inner top and the inner bottom of the first hollow seat 42;
the first die holders 53 are inserted in the second hollow seat 43 at equal intervals, the outer walls of the two groups of first die holders 53 on the outer side are in fit contact with the inner wall of the second hollow seat 43, the front side wall and the rear side wall of the adjacent first die holders 53 are in fit contact, and the upper end and the lower end of the first die holders 53 are in fit contact with the inner top and the inner bottom of the second hollow seat 43;
The first hydraulic cylinder 21 drives the left die holder to move, the left die holder drives the second die holder 55 of the forming die 5 to move, the second die holder 55 moves to be in contact with the outer wall of the first die holder 53, the inserting groove forming block 51 and the die core 52 are arranged in the forming groove 54, after the forming groove 54 is filled with materials, the left die holder and the right die holder heat the forming die 5, the forming groove 54 and the die core 52 are matched to form a hollow ship-shaped EPP bumper after the forming die 5 is heated, the inserting groove forming block 51 is provided with inserting holes in a forming mode, a forming screw of a through groove forming column 56 penetrates through the holes, the produced hollow ship-shaped EPP bumper is convenient to insert and convenient to pass through the bolts for installation, the left die holder and the right die holder cool the forming die 5 after the forming, and the first hydraulic cylinder 21 drives the first die holder 53 and the second die holder 55 to be separated after the cooling;
the right die holder is connected with a second pushing component 6 for vacuumizing and sealing feeding, the second pushing component 6 comprises a sleeve 61, a second slide bar 62, a second slide bar connecting plate 63, a first air cylinder 64, a second air cylinder 65, a bin 66, an exhaust tube 67, an exhaust tube mounting seat 68, a connecting air tube 69, a material guide tube 610, an electromagnetic valve 611, a pushing column 612, a second transverse groove 613, a third connecting tube 614, an outer cylinder 615, a fourth connecting tube 616 and a bin mounting bracket 617, the top of a fixed supporting plate 419 is fixedly connected with the bin mounting bracket 617 and the exhaust tube mounting seat 68, the bin mounting bracket 617 is fixedly connected with the bin 66 at equal intervals, the bottom of the bin 66 is fixedly connected with the material guide tube 610, the bottom of the material guide tube 610 is fixedly arranged on the end of the sleeve 61 close to the first pushing component 3, the pushing column 612 is in the sleeve 61 in an adhering and sliding connection, the end of the pushing column 612 far away from the pushing component 2 is fixedly connected with the second slide bar 62, the end part of the second slide bar 62 far away from the pushing component 2 is fixedly connected with a second slide bar connecting plate 63, the end part of the fixed supporting plate 419 far away from the pushing component 2 is fixedly connected with a second air cylinder 65, the driving end of the second air cylinder 65 is fixedly connected with a first air cylinder 64, the driving end of the first air cylinder 64 is fixedly connected with the bottom of the second slide bar connecting plate 63, the inner wall of the fixed supporting plate 419 is uniformly and fixedly connected with a fourth connecting pipe 616, the end part of the first die holder 53 far away from the pushing component 2 is fixedly connected with a third connecting pipe 614, the end part of the third connecting pipe 614 far away from the pushing component 2 is fixedly connected with an outer cylinder 615, the inner wall of the outer cylinder 615 is in joint sliding connection with the outer wall of the fourth connecting pipe 616, a second transverse groove 613, the inner wall of the second transverse groove 613, the third connecting pipe 614 and the outer wall of the fourth connecting pipe 616 are in joint sliding connection with the outer wall of the pushing column 612, the top of the third connecting pipe 614 is fixedly connected with a connecting air pipe 69, the connecting air pipe 69 is fixedly provided with a solenoid valve 611, the top of the connecting air pipe 69 penetrates through the second hollow seat 43 and then is fixedly connected with an exhaust pipe 67, and the exhaust pipe 67 is connected with an external vacuum pump;
The telescopic end of the second air cylinder 65 is fully extended, the end of the pushing column 612 close to the pushing assembly 2 is positioned at the outer side of the end of the guide pipe 610 far away from the pushing assembly 2 when the output end of the first air cylinder 64 is fully recovered, the outer ends of the pushing column 612 are flush with the mold core 52 after the output ends of the second air cylinder 65 and the first air cylinder 64 are fully recovered, and the end of the pushing column 612 far away from the pushing assembly 2 is positioned at the outer side of the end of the guide pipe 610 far away from the pushing assembly 2, so that the completeness of the end of the mold core 52 is ensured;
after the first hollow seat 42 and the second hollow seat 43 are in fit contact, quantitative materials are respectively placed in corresponding storage bins 66, the telescopic ends of the second air cylinders 65 are fully extended, the output ends of the first air cylinders 64 are fully recovered, the materials in the storage bins 66 enter the sleeve 61 through the material guide pipes 610, then enter the forming grooves 54 through the fourth connecting pipes 616, the third connecting pipes 614 and the second transverse grooves 613, the telescopic ends of the second air cylinders 65 reciprocate to push the material pushing columns 612 to reciprocate, the material pushing columns 612 push the materials in the fourth connecting pipes 616, the third connecting pipes 614 and the second transverse grooves 613 to enter the forming grooves 54, and the quantitative materials in the storage bins 66 are fully conveyed into the forming grooves 54;
the output end of the second air cylinder 65 is completely recovered during vacuumizing, the extending end of the first air cylinder 64 is completely extended, the first air cylinder 64 drives the second slide bar connecting plate 63 to move, the second slide bar connecting plate 63 drives the second slide bar 62 to move, the second slide bar 62 drives the pushing column 612 to move to the end part of the fourth connecting pipe 616, which is close to the pushing assembly 2, the electromagnetic valve 611 is opened, the external vacuum pump pumps the second transverse groove 613 and the gas flow in the forming die 5 through the exhaust pipe 67 and the connecting air pipe 69, the forming die 5 is vacuumized, the vacuumizing forming is facilitated, the forming quality is ensured, then the output end of the first air cylinder 64 is completely recovered, the outer end of the pushing column 612 is flush with the die core 52, the linkage type temperature control die holder assembly 4 carries out heating treatment on the forming die 5, and after the forming die 5 is heated, the forming treatment is carried out;
The left die holder and the right die holder are connected with a fast assembly component 7 for fast assembly of the forming die 5, and the fast assembly component 7 is connected with the forming die 5;
the quick assembly component 7 comprises a rotating plate 71, a limiting ring 72, a cushion block 73, a plugging groove 74, a plugging block 75, a lock rod 76, a second spring 77 and a locking jack 78, wherein the tops of the first hollow seat 42 and the second hollow seat 43 are fixedly connected with the second spring 77 and the cushion block 73 at equal intervals, the top of the second spring 77 is fixedly connected with the limiting ring 72, the limiting ring 72 is in limiting rotation connection with the rotating plate 71, the lock rod 76 is fixedly connected in the limiting ring 72, the locking jacks 78 which are plugged with the lock rod 76 are formed in the tops of the first die holder 53 and the second die holder 55, the plugging block 75 is fixedly connected in the bottoms of the first die holder 53 and the second die holder 55, the plugging groove 74 is formed in the inner bottom of the first hollow seat 42 far away from the pushing component 2 and the inner bottom of the second hollow seat 43 close to the pushing component 2 at equal intervals, and the plugging groove 74 and the plugging block 75 are in a sealing manner;
the bottom of the lock rod 76 is higher than the top of the locking jack 78 when the bottom of the rotating plate 71 is in fit contact with the top of the cushion block 73;
when the forming die 5 is replaced, the rotating plate 71 of the quick assembly 7 is pushed upwards, the rotating plate 71 drives the lock rod 76 to move upwards, the rotating plate 71 rotates along the limiting ring 72 after the bottom of the lock rod 76 moves to the top of the locking jack 78, the rotating plate 71 rotates to be in contact with the top of the cushion block 73 to push the lock rod 76 against, the new first die holder 53 or the second die holder 55 drives the inserting block 75 to be inserted into the inserting groove 74, then the rotating plate 71 is separated from the cushion block 73, the second spring 77 drives the lock rod 76 to move downwards, the lock rod 76 is inserted into the locking jack 78, and the inserting groove 74, the inserting block 75, the lock rod 76 and the locking jack 78 are matched to lock the first die holder 53 or the second die holder 55, so that the first die holder 53 or the second die holder 55 can be replaced quickly;
The left die holder and the forming die 5 are connected with a first pushing component 3 for pushing out the cooled EPP bumper;
the first pushing component 3 comprises a first spring 31, a groove 32, a pushing circular plate 33, a first sliding rod 34 and a first transverse groove 35, the groove 32 is formed in the inner side wall of the second die holder 55, the first transverse groove 35 is formed in the inner end of the groove 32, the first sliding rod 34 is connected in an adhering and sliding manner in the first transverse groove 35, the end part, far away from the pushing component 2, of the first sliding rod 34 is fixedly connected with the pushing circular plate 33, the pushing circular plate 33 is connected with the groove 32 in an adhering and inserting manner, the end part, close to the pushing component 2, of the first sliding rod 34 is fixedly connected with the first spring 31 after penetrating through the sliding plate 41, and the end part, far away from the pushing component 2, of the first spring 31 is fixedly connected with the end part of the sliding plate 41;
during molding, the first spring 31 is in a compressed state, and pushes the circular plate 33 to be in sealing connection with the groove 32;
during molding, the first spring 31 is in a compressed state, so that the circular plate 33 and the groove 32 are pushed to be in sealing connection, the integrity of the molding groove 54 is guaranteed, the first hydraulic cylinder 21 drives the sliding plate 41 to move after the EPP bumper in the molding die 5 is cooled, the sliding plate 41 drives the first sliding rod 34 to move, the first sliding rod 34 moves to be in contact with the fixed plate 1, the sliding plate 41 continues to move, the position of the circular plate 33 is pushed to be unchanged, the circular plate 33 is pushed to be moved out of the groove 32, the circular plate 33 is pushed to push the EPP bumper cooled in the molding groove 54 out of the molding groove 54, the cooled EPP bumper is conveniently and automatically discharged, and the quick production of an actual production line is facilitated.
Example two
A molding method of an EPP bumper molding apparatus, comprising the steps of:
1. when the forming die 5 is replaced, the rotating plate 71 of the quick assembly 7 is pushed upwards, the rotating plate 71 drives the lock rod 76 to move upwards, the rotating plate 71 rotates along the limiting ring 72 after the bottom of the lock rod 76 moves to the top of the locking jack 78, the rotating plate 71 rotates to be in contact with the top of the cushion block 73 to push the lock rod 76 against, the new first die holder 53 or the second die holder 55 drives the inserting block 75 to be inserted into the inserting groove 74, then the rotating plate 71 is separated from the cushion block 73, the second spring 77 drives the lock rod 76 to move downwards, the lock rod 76 is inserted into the locking jack 78, and the inserting groove 74, the inserting block 75, the lock rod 76 and the locking jack 78 are matched to lock the first die holder 53 or the second die holder 55, so that the first die holder 53 or the second die holder 55 can be replaced quickly;
2. the first hydraulic cylinder 21 of the pushing assembly 2 drives the sliding plate 41 of the left die holder of the linkage type temperature control die holder assembly 4 to move along the guide rod 22, the sliding plate 41 drives the first hollow seat 42 to move towards the second hollow seat 43 of the right die holder, the first hollow seat 42 drives the first connecting pipe 414 and the second connecting pipe 415 to move, when the first hollow seat 42 and the second hollow seat 43 are in contact, the first plug inner pipe 413 is plugged with the first plug sleeve 412, the second plug inner pipe 416 and the second plug outer pipe 417, so that the first hollow seat 42 and the second hollow seat 43 are in contact and are connected in a communicating way;
3. Putting quantitative materials into corresponding bins 66 respectively, fully extending the telescopic ends of the second air cylinders 65, fully recovering the output ends of the first air cylinders 64, enabling the materials in the bins 66 to enter the sleeve 61 through the material guide pipes 610, enabling the materials to enter the forming grooves 54 through the fourth connecting pipes 616, the third connecting pipes 614 and the second transverse grooves 613, enabling the telescopic ends of the second air cylinders 65 to reciprocate, pushing the material pushing columns 612 to reciprocate, enabling the material pushing columns 612 to push the materials in the fourth connecting pipes 616, the third connecting pipes 614 and the second transverse grooves 613 to enter the forming grooves 54, and enabling the quantitative materials in the bins 66 to be fully conveyed into the forming grooves 54;
then, the output end of the second air cylinder 65 is completely recovered, the extending end of the first air cylinder 64 is completely extended, the first air cylinder 64 drives the second slide bar connecting plate 63 to move, the second slide bar connecting plate 63 drives the second slide bar 62 to move, the second slide bar 62 drives the pushing column 612 to move to the end part of the fourth connecting pipe 616, which is close to the pushing assembly 2, the electromagnetic valve 611 is opened, the external vacuum pump pumps the second transverse groove 613 and the air flow in the forming die 5 through the air exhaust pipe 67 and the connecting air pipe 69 to pump the forming die 5 to a vacuum state, then the output end of the first air cylinder 64 is completely recovered, and the outer end of the pushing column 612 is flush with the die core 52;
4. The first three-way valve 45 is opened to the steam inlet pipe 44, the cooling air inlet pipe 46 is closed, the second three-way valve 410 is opened to the steam outlet pipe 49, the cooling gas outlet pipe 411 is closed, heated steam enters the air inlet pipe 418 through the steam inlet pipe 44 and then enters the second hollow seat 43, meanwhile, the heated steam enters the first hollow seat 42 through the second plug outer pipe 417, the second plug inner pipe 416 and the second connecting pipe 415, the first hollow seat 42 and the second hollow seat 43 are subjected to simultaneous heating treatment, the steam in the first hollow seat 42 enters the first air outlet pipe 48 through the first connecting pipe 414, the first plug inner pipe 413 and the first plug sleeve 412 after heating, meanwhile, the steam in the second hollow seat 43 enters the first air outlet pipe 48 through the one-way valve 47 and finally is discharged through the steam outlet pipe 49, and a group of steam sources are realized to simultaneously heat the first hollow seat 42 and the second hollow seat 43; the first three-way valve 45 is closed to the steam inlet pipe 44, the cooling air inlet pipe 46 is opened, the second three-way valve 410 is closed to the steam outlet pipe 49, the cooling gas outlet pipe 411 is opened, the cooling gas enters the air inlet pipe 418 through the cooling air inlet pipe 46 and then enters the second hollow seat 43, meanwhile, the cooling gas enters the first hollow seat 42 through the second plug outer pipe 417, the second plug inner pipe 416 and the second connecting pipe 415, the first hollow seat 42 and the second hollow seat 43 are subjected to simultaneous heating treatment, after cooling, the cooling gas in the first hollow seat 42 enters the first air outlet pipe 48 through the first connecting pipe 414, the first plug inner pipe 413 and the first plug sleeve 412, meanwhile, the cooling gas in the second hollow seat 43 enters the first air outlet pipe 48 through the one-way valve 47 and finally is discharged through the cooling gas outlet pipe 411, a group of cooling gas sources are realized to cool the first hollow seat 42 and the second hollow seat 43 simultaneously, the temperature of the first hollow seat 42 and the second hollow seat 43 is conveniently controlled at the same time, the temperature of the first hollow seat 42 and the second hollow seat 43 is conveniently controlled in the same temperature section, the quick-heating plug insert molding screw is realized, the quick-heating plug mounting die is realized, the quick-heating plug mounting and the molding die pin is matched with the die pin-shaped through the die 52, the die-shaped stud is installed in the die-shaped through the die 52, and the die-shaped stud is provided with the quick-shaped through the die-shaped plug mounting hole 52, and the die-shaped stud 52;
5. The first hydraulic cylinder 21 drives the sliding plate 41 to move towards the first hydraulic cylinder 21 after cooling, the sliding plate 41 drives the first sliding rod 34 to move after the first hollow seat 42 and the second hollow seat 43 are separated, the first sliding rod 34 moves to be in contact with the fixed plate 1, the sliding plate 41 continues to move, the position of the pushing circular plate 33 is unchanged, the circular plate 33 is pushed to move out of the groove 32, the circular plate 33 is pushed to push the cooled EPP bumper in the forming groove 54 out of the forming groove 54, the cooled EPP bumper is conveniently and automatically discharged, and the quick production of an actual production line is facilitated.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. EPP bumper forming device, including fixed plate (1), its characterized in that:
the fixed plate (1) is connected with a pushing component (2);
The pushing assembly (2) comprises a first hydraulic cylinder (21) and a guide rod (22), the first hydraulic cylinder (21) is fixedly arranged on the side wall of the fixed plate (1), and four corners of the fixed plate (1) are respectively connected with the guide rod (22);
the pushing assembly (2) is connected with a linkage type temperature control die holder assembly (4), the linkage type temperature control die holder assembly (4) comprises a left die holder and a right die holder, the left die holder is fixedly connected with the driving end of the first hydraulic cylinder (21), the left die holder is in fit sliding connection with the guide rod (22), the right die holder is fixedly connected with the end part of the guide rod (22), and the left die holder is communicated with the right die holder when the left die holder and the right die holder are in fit contact;
the left die holder and the right die holder are connected with a forming die (5), and the forming die (5) is connected with the left die holder and the right die holder in a sealing way;
the right die holder is connected with a second pushing component (6) for vacuumizing and sealing feeding;
the left die holder comprises a sliding plate (41), a first hollow seat (42), a first plug-in inner pipe (413), a first connecting pipe (414), a second connecting pipe (415) and a second plug-in inner pipe (416), wherein the first hollow seat (42) is fixedly connected with the end part of the sliding plate (41) far away from the pushing component (2), the second connecting pipe (415) is fixedly connected with the air hole part at the upper end of the rear end of the first hollow seat (42), the second connecting pipe (415) is fixedly connected with the second plug-in inner pipe (416) far away from the end part of the sliding plate (41), the first connecting pipe (414) is fixedly connected with the first connecting pipe (414) at the air hole part at the lower end of the front end of the first hollow seat (42), and the first connecting pipe (414) is far away from the first plug-in inner pipe (413) fixedly connected with the end part of the sliding plate (41);
The sliding plate (41) is in fit sliding connection with the guide rod (22) through a linear bearing;
the end part of the sliding plate (41) close to the first hydraulic cylinder (21) is fixedly connected with the output end of the first hydraulic cylinder (21);
the right die holder comprises a second hollow seat (43), a steam inlet pipe (44), a first three-way valve (45), a cooling air inlet pipe (46), a one-way valve (47), a first air outlet pipe (48), a steam outlet pipe (49), a second three-way valve (410), a cooling air outlet pipe (411), a first plug-in sleeve (412), a second plug-in outer pipe (417), an air inlet pipe (418) and a fixed support plate (419), wherein the end face of the fixed support plate (419) close to the first hydraulic cylinder (21) is fixedly connected with the second hollow seat (43), an air inlet pipe (418) is fixedly connected to an air hole at the upper end of the rear end of the second hollow seat (43), a second plug-in outer pipe (417) which is plugged with the second plug-in inner pipe (416) is fixedly connected to the side wall of the air inlet pipe (418), the first three-way valve (45) is fixedly connected to the outer end of the air inlet pipe (418), the two groups of air inlet ends of the first three-way valve (45) are respectively fixedly connected with the steam inlet pipe (44) and the cooling air inlet pipe (46), the lower end of the second hollow seat (43) is fixedly connected with the first air outlet pipe (48) close to the first air outlet pipe (48), the first air outlet pipe (48) is fixedly connected with the first three-way valve (48), the two groups of air outlet ends of the second three-way valve (410) are respectively and fixedly connected with a steam outlet pipe (49) and a cooling air outlet pipe (411), and a first plug sleeve (412) which is plugged with a first plug inner pipe (413) is fixedly connected at the position between the one-way valve (47) and the second three-way valve (410) by the first air outlet pipe (48);
The steam inlet pipe (44) is connected with the output end of the steam source, and the steam outlet pipe (49) is connected with the input end of the steam source;
the cooling air inlet pipe (46) is connected with the output end of the cooling gas source, and the cooling gas outlet pipe (411) is connected with the input end of the cooling gas source;
when the first hollow seat (42) and the second hollow seat (43) are in fit contact, the first plug inner pipe (413) is plugged with the first plug sleeve (412), and the second plug inner pipe (416) and the second plug outer pipe (417);
the forming die (5) comprises a plugging groove forming block (51), a die core (52), a first die holder (53), a forming groove (54), a second die holder (55) and a mounting through groove forming column (56), wherein the die core (52) is fixedly connected to the end part of the first die holder (53) close to the pushing assembly (2), the plugging groove forming block (51) is symmetrically and fixedly connected to the end part of the die core (52) close to the pushing assembly (2), and a gap exists between the end part of the plugging groove forming block (51) close to the second die holder (55) and the position corresponding to the end face of the forming groove (54);
a forming groove (54) is formed in the end part, far away from the first hydraulic cylinder (21), of the second die holder (55), a through groove forming column (56) is symmetrically and fixedly connected to the end surface, far away from the pushing component (2), of the forming groove (54), and the end surface, close to the second hollow seat (43), of the through groove forming column (56) is in fit contact with the end surface of the die core (52);
The second pushing component (6) comprises a sleeve (61), a second sliding rod (62), a second sliding rod connecting plate (63), a first air cylinder (64), a second air cylinder (65), a bin (66), an exhaust pipe (67), an exhaust pipe mounting seat (68), a connecting air pipe (69), a material guiding pipe (610), an electromagnetic valve (611), a pushing column (612), a second transverse groove (613), a third connecting pipe (614), an outer cylinder (615), a fourth connecting pipe (616) and a bin mounting frame (617), the top of a fixed supporting plate (419) is fixedly connected with the bin mounting frame (617) and the exhaust pipe mounting seat (68), the bin mounting frame (617) is fixedly connected with a bin (66) at equal intervals, the bottom of the bin (66) is fixedly connected with a material guiding pipe (610), the bottom of the material guiding pipe (610) is fixedly arranged on the end part of the sleeve (61) close to the first pushing component (3), a pushing column (612) is in the sleeve (61) in a fitting sliding connection mode, the end part of the pushing column (612) far away from the pushing component (2) is fixedly connected with the second sliding rod (62), the end part of the second sliding rod (62) is fixedly connected with the second sliding rod (62), the fixed support plate (419) is kept away from tip fixedly connected with second cylinder (65) of pushing component (2), second cylinder (65) drive end fixedly connected with first cylinder (64), and first cylinder (64) drive end and second slide bar connecting plate (63) bottom fixed connection, even fixedly connected with fourth connecting pipe (616) of fixed support plate (419) inner wall, tip fixedly connected with third connecting pipe (614) of pushing component (2) are kept away from to first die holder (53), tip fixedly connected with urceolus (615) of pushing component (2) are kept away from to third connecting pipe (614), urceolus (615) inner wall and fourth connecting pipe (616) outer wall laminating sliding connection, second cross slot (613) have all been seted up to second hollow seat (43) and fixed support plate (419), second cross slot (613) inner wall, third connecting pipe (614) and fourth connecting pipe (616) and pushing component (612) outer wall laminating sliding connection, third connecting pipe (614) top fixedly connected with connecting pipe (69), connecting pipe (69) are fixedly connected with air extraction valve (67) and air pump (67) outside, in connecting pipe (67) are connected with air extraction valve (67).
2. The EPP bumper forming device according to claim 1, wherein the second die holders (55) are inserted in the first hollow seat (42) at equal intervals, the outer walls of the two outer groups of the second die holders (55) are in fit contact with the inner wall of the first hollow seat (42), the front side wall and the rear side wall of the adjacent second die holders (55) are in fit contact, and the upper end and the lower end of the second die holders (55) are in fit contact with the inner top and the inner bottom of the first hollow seat (42);
the first die holders (53) are inserted into the second hollow seat (43) at equal intervals, the outer walls of the two groups of the first die holders (53) are in fit contact with the inner walls of the second hollow seat (43), the front side wall and the rear side wall of each adjacent first die holder (53) are in fit contact, and the upper end and the lower end of each first die holder (53) are in fit contact with the inner top and the inner bottom of the second hollow seat (43).
3. The EPP bumper forming apparatus according to claim 2, wherein the telescopic end of the second cylinder (65) is fully extended, the end of the pushing column (612) close to the pushing assembly (2) is located at the outer side of the end of the guide pipe (610) away from the pushing assembly (2) when the output end of the first cylinder (64) is fully retracted, the outer ends of the pushing column (612) are flush with the mold core (52) after the output ends of the second cylinder (65) and the first cylinder (64) are fully retracted, and the end of the pushing column (612) away from the pushing assembly (2) is located at the outer side of the end of the guide pipe (610) away from the pushing assembly (2).
4. The EPP bumper forming apparatus according to claim 3, wherein the left die holder and the right die holder are connected with a quick assembly component (7) for quick assembly of the forming die (5), and the quick assembly component (7) is connected with the forming die (5).
5. EPP bumper-forming device according to claim 4, characterized in that the left die holder and the forming die (5) are connected with a first pushing assembly (3) for pushing out the cooled EPP bumper.
6. A molding method of the EPP bumper molding apparatus according to claim 5, comprising the steps of:
1. replacing the corresponding forming die (5) through the quick assembly component (7);
2. the first hydraulic cylinder (21) of the pushing assembly (2) drives the sliding plate (41) of the left die holder of the linkage type temperature control die holder assembly (4) to move along the guide rod (22), the sliding plate (41) drives the first hollow seat (42) to move towards the second hollow seat (43) of the right die holder, the first hollow seat (42) drives the first connecting pipe (414) and the second connecting pipe (415) to move, and when the first hollow seat (42) and the second hollow seat (43) are in joint contact, the first plug inner pipe (413) is plugged with the first plug sleeve (412), and the second plug inner pipe (416) and the second plug outer pipe (417) are plugged, so that the first hollow seat (42) and the second hollow seat (43) are in joint contact and are connected in communication;
3. The quantitative materials are respectively placed in corresponding bins (66), the telescopic ends of the second air cylinders (65) are fully extended, the output ends of the first air cylinders (64) are fully recovered, the materials in the bins (66) enter the sleeve (61) through the material guide pipes (610), then enter the forming grooves (54) through the fourth connecting pipes (616), the third connecting pipes (614) and the second transverse grooves (613), the telescopic ends of the second air cylinders (65) are reciprocally moved to push the material pushing columns (612) to reciprocally move, the material pushing columns (612) push the materials in the fourth connecting pipes (616), the third connecting pipes (614) and the second transverse grooves (613) to enter the forming grooves (54), and the quantitative materials in the bins (66) are fully conveyed into the forming grooves (54);
then, the output end of the second air cylinder (65) is completely recovered, the extending end of the first air cylinder (64) is completely extended, the first air cylinder (64) drives the second slide bar connecting plate (63) to move, the second slide bar connecting plate (63) drives the second slide bar (62) to move, the second slide bar (62) drives the pushing column (612) to move to the end part of the fourth connecting pipe (616) close to the pushing component (2), the electromagnetic valve (611) is opened, the external vacuum pump pumps the second transverse groove (613) and the gas flow in the forming die (5) through the exhaust pipe (67) and the connecting air pipe (69), the forming die (5) is pumped to a vacuum state, then, the output end of the first air cylinder (64) is completely recovered, and the outer end of the pushing column (612) is flush with the die core (52);
4. The first three-way valve (45) is opened to the steam inlet pipe (44), the cooling air inlet pipe (46) is closed, the second three-way valve (410) is opened to the steam outlet pipe (49), the cooling gas outlet pipe (411) is closed, heated steam enters the air inlet pipe (418) through the steam inlet pipe (44) and then enters the second hollow seat (43), meanwhile, the heated steam enters the first hollow seat (42) through the second plug outer pipe (417), the second plug inner pipe (416) and the second connecting pipe (415), the first hollow seat (42) and the second hollow seat (43) are subjected to simultaneous heating treatment, the heated steam in the first hollow seat (42) enters the first air outlet pipe (48) through the first connecting pipe (414), the first plug inner pipe (413) and the first plug sleeve (412), and meanwhile, the steam in the second hollow seat (43) enters the first air outlet pipe (48) through the one-way valve (47), and finally, a group of steam sources are discharged through the steam outlet pipe (49) to heat the first hollow seat (42) and the second hollow seat (43); the first three-way valve (45) is closed to the steam inlet pipe (44), the cooling air inlet pipe (46) is opened, the second three-way valve (410) is closed to the steam outlet pipe (49), the cooling gas enters the air inlet pipe (418) through the cooling air inlet pipe (46) and then enters the second hollow seat (43), meanwhile, the cooling gas enters the first hollow seat (42) through the second plug outer pipe (417), the second plug inner pipe (416) and the second connecting pipe (415), the first hollow seat (42) and the second hollow seat (43) are subjected to simultaneous heating treatment, cooling gas in the first hollow seat (42) enters the first air outlet pipe (48) through the first connecting pipe (414), the first plug inner pipe (413) and the first plug sleeve (412) after cooling, meanwhile, cooling gas in the second hollow seat (43) enters the first air outlet pipe (48) through the one-way valve (47), and finally, a group of cooling gas sources is discharged through the cooling gas outlet pipe (411), so that the first hollow seat (42) and the second hollow seat (43) are subjected to simultaneous heating treatment, the first hollow seat (42) and the second hollow seat (43) are convenient to be matched with a die (52) at the same temperature, the inserting groove forming block (51) is used for forming and installing inserting holes, and the through groove forming column (56) is used for forming screw penetrating holes;
5. The first hydraulic cylinder (21) drives the sliding plate (41) to move towards the first hydraulic cylinder (21) after cooling, and the first pushing component (3) automatically discharges the hollow ship-shaped EPP bumper cooled in the first hollow seat (42) after the first hollow seat (42) and the second hollow seat (43) are separated.
CN202310771917.0A 2023-06-28 2023-06-28 EPP bumper forming device and forming method thereof Active CN116551907B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101885224A (en) * 2010-06-28 2010-11-17 上海子元汽车零部件有限公司 Moulding mould for dual-density product
CN102019676A (en) * 2010-10-29 2011-04-20 深圳大学 Heating equipment of steam heating mould
CN104044237A (en) * 2014-06-10 2014-09-17 安庆市江城冶金机械有限公司 Molding machine and full-automatic processing method thereof
CN114012068A (en) * 2021-11-17 2022-02-08 如皋阿库瑞模具有限公司 Casting die for turbocharger shell

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101885224A (en) * 2010-06-28 2010-11-17 上海子元汽车零部件有限公司 Moulding mould for dual-density product
CN102019676A (en) * 2010-10-29 2011-04-20 深圳大学 Heating equipment of steam heating mould
CN104044237A (en) * 2014-06-10 2014-09-17 安庆市江城冶金机械有限公司 Molding machine and full-automatic processing method thereof
CN114012068A (en) * 2021-11-17 2022-02-08 如皋阿库瑞模具有限公司 Casting die for turbocharger shell

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