CN106955940B - Automobile pipe fitting port molding equipment and its port forming method - Google Patents
Automobile pipe fitting port molding equipment and its port forming method Download PDFInfo
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- CN106955940B CN106955940B CN201710375162.7A CN201710375162A CN106955940B CN 106955940 B CN106955940 B CN 106955940B CN 201710375162 A CN201710375162 A CN 201710375162A CN 106955940 B CN106955940 B CN 106955940B
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- pipe fitting
- block
- jacking block
- bulging
- automobile pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
- B21D41/026—Enlarging by means of mandrels
- B21D41/028—Enlarging by means of mandrels expandable mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Automobile pipe fitting port molding equipment and its port forming method, its key points of the technical solution are that, including rack, mould bases, molding die and top-pressure mechanism, mould bases is fixedly installed in rack, mould bases is provided with the mold installation cavity for installation forming mold, molding die includes upper and lower corresponding upper die and lower die, drive the lift drive mechanism and core model of upper mold elevating movement, core model includes bulging block and multi-diameter shaft, the path section diameter of multi-diameter shaft is less than the necking section internal diameter of automobile pipe fitting, the major diameter section diameter of multi-diameter shaft and the internal diameter of pipe fitting ontology of automobile pipe fitting are corresponding, bulging block is cylindrical body, one end of bulging block is fixedly connected with the end face of the major diameter section of core model;Top-pressure mechanism include be relatively arranged on molding die die cavity both ends fixation jacking block and movable jacking block and press driving assembly from driving movable jacking block to fixed jacking block relative motion.Solving the problems, such as existing automobile pipe fitting, there are inefficiency, higher cost in pipe end processing and forming.
Description
Technical field
The present invention relates to formation of tubes technical field, in particular to a kind of automobile pipe fitting port molding equipment and its port at
Type method.
Background technique
There are many pipeline interconnected, for convenience connection and firmness and the sealings of junction for setting on automobile
Property, convex ribs, the necking etc. of diameter convex are often provided at the port of connecting pin in some pipelines.Such as the high pressure on automobile
Tracheae, structure is as depicted in figs. 1 and 2, including pipe fitting ontology 1 ', and one end of pipe fitting ontology 1 ' is provided with necking section 2 ', pipe fitting sheet
It is provided with the linkage section 3 ' that outer diameter is greater than pipe fitting body diameter in the middle part of body 1 ', bend pipe connection opening 4 ' is provided on linkage section 3 '
With aperture connector 5 ', the other end of pipe fitting ontology 1 ' is provided with the connection of spacing distance and radially outwardly projecting at proximal port
Convex ribs 6 ', the end connect as forming ends and are provided with annular corresponding with connection convex ribs 6 ' on the corresponding pipe fitting inner wall of convex ribs 6 '
Groove, the convex rib structure on this pipe fitting is to divide multistage manufacturing processes to form by inward turning machine and outward turning machine at present, passes through inward turning machine
The inner wall of machined convex rib structure has seamed edge structure with outward turning, and needs by multiple process clamping, low efficiency
Under, production cost is higher.
Summary of the invention
The purpose of the present invention aim to solve the problem that existing automobile pipe fitting in pipe end processing and forming inefficiency, higher cost lack
It falls into, a kind of simple structure, high production efficiency, lower-cost automobile pipe fitting port molding equipment and its port molding side is provided
Method.
Above-mentioned technical purpose of the invention has the technical scheme that
Automobile pipe fitting port molding equipment, including rack, mould bases, molding die and top-pressure mechanism, mould bases are fixedly installed in
In rack, mould bases is provided with the mold installation cavity for installation forming mold, and molding die includes upper and lower corresponding upper mold under
Mould, the lift drive mechanism and core model for driving upper mold elevating movement, lower die are fixedly installed in the mold by lower template and pacify
The lower part behaveing affectedly, upper mold are installed on the top of the mold installation cavity by cope plate, and lift drive mechanism is installed on the mould
On frame, cope plate is connect with the lift drive mechanism, is respectively arranged on the opposite face of upper die and lower die corresponding and horizontal
To the upper cavity and lower mode cavity of perforation, the die cavity and automobile pipe fitting of upper cavity and lower mode cavity formation when upper die and lower die pairing
Finished product shape is corresponding, and the core model includes bulging block and multi-diameter shaft, and the path section diameter of multi-diameter shaft is less than the necking of automobile pipe fitting
Section internal diameter, the major diameter section diameter of multi-diameter shaft and the internal diameter of pipe fitting ontology of automobile pipe fitting are corresponding, and bulging block is cylindrical body, bulging block
One end be fixedly connected with the end face of the major diameter section of multi-diameter shaft;The top-pressure mechanism includes being relatively arranged on molding die die cavity
The fixation jacking block and movable jacking block and driving movable jacking block at both ends are fixed to the press driving assembly of fixed jacking block relative motion
Jacking block is fixedly mounted by a fixed bracket.
Using the above scheme, core model is inserted in automobile pipe fitting to be formed, the path section of core model is made to stretch out vapour to be formed
The necking section of vehicle pipe fitting, bulging block are located in the corresponding inner cavity in formation of tubes end to be formed, then put pipe fitting to be formed correspondence
It sets in the lower mode cavity of lower die, lift drive mechanism driving upper mold moves downward until upper die and lower die pairing is thus by automobile pipe
Part is pressed in die cavity, and fixed jacking block abuts against molding die one end corresponding with formation of tubes end end, and movable jacking block abuts against
In the end of multi-diameter shaft path section, presses driving assembly and drive core model to fixed jacking block movable jacking block force driving movable jacking block
Movement presses driving assembly persistently to movable jacking block and multi-diameter shaft axial force distribution when bulging block top is to fixation jacking block, right
Bulging block generates extruding force, and since bulging block is soft materials, i.e. bulging block is radially expanded to generate expansive force, to the bulging block
The tube wall of the pipe fitting of corresponding position generates certain extruding force, realizes tube wall radial direction evagination deformation and forms two connection convex ribs.
It being compressed axially, is radially expanded by using the bulging block of soft materials and tube wall evagination is made to be molded into connection convex ribs, process is simple,
It is easy to install, high production efficiency.
Preferably, the bulging block is polyurethane cylindrical body, it is provided with axial projection on one end end face of cylindrical body,
It is provided with groove corresponding with the axial projection on the end face of the multi-diameter shaft major diameter section, when bulging block and multi-diameter shaft are installed
When connection, axial projection close-fitting is plugged in corresponding groove.
Using the above scheme, by being closely plugged in axial projection in the groove of multi-diameter shaft end, make bulging block and rank
Terraced axis firmly installs, pipe fitting end good forming effect.
Preferably, being radially outward provided with annular protrusion, the rank on the axial raised side wall of the bulging block
Annular groove corresponding with the annular protrusion is provided on the cell wall of groove in terraced axial end, when bulging block and multi-diameter shaft are pacified
When load connects, annular protrusion inlay card installation corresponding with annular groove.
Using the above scheme, when inlay card corresponding with annular groove by annular protrusion, bulging block and multi-diameter shaft are being connected
Place plays axial limiting, further improves the firmness of the connection of bulging block and core model.
To be preferred, the mould bases include more root posts and be individually fixed in column both ends and parallel upper mounting plate and
Lower installation board, lower installation board are fixedly installed in the top surface of rack, and lower template is fixedly installed on lower installation board, and upper mounting plate is under
The mold installation cavity for being used for installation forming mold is formed between mounting plate.
Using the above scheme, by the structure of the upper mounting plate of mould bases and lower installation board design so that molding die at
Stability is good during type, and upper mold has enough stroke spaces, keeps feeding convenient.
Preferably, the lift drive mechanism is lifting cylinder, the cylinder body of lifting cylinder is fixedly installed on described
The piston rod of mounting plate, lifting cylinder is arranged straight down, and the piston rod end of lifting cylinder and the top surface of cope plate are fixed fixed
Connection.
Using the above scheme, cope plate and upper mold elevating movement are driven to realize under by lifting cylinder piston motion
Molding between mould and divide mould, it is easy to control.
More vertical guide rods are fixedly installed in the lower template vertically, is provided on the cope plate and is erected with described
To the corresponding slide opening of guide rod, vertical guide rod upper end is threaded onto the slide opening on cope plate.
By adopting the above technical scheme, by the setting of vertical guide rod, make cope plate band with upper mold during elevating movement
With guiding role, stability is good.
Preferably, the press driving assembly includes press oil cylinder and guidance set, press oil cylinder passes through cylinder bracket
It is fixedly installed in rack, presses the piston rod of oil cylinder in laterally setting, the guidance set includes being divided into press in parallel
The laterally steering bar of cylinder piston rod two sides and the sliding block being snug fit on laterally steering bar, fixation installs two guide rods respectively
In in the lower template, the movable jacking block is fixedly installed on the side side wall of sliding block, presses the end of the piston rod of oil cylinder
It is fixedly connected in portion and the other side side wall of sliding block and corresponding with movable jacking block.
Using the above scheme, oil cylinder is pressed by setting, can stablizes to movable jacking block and exert a force, the setting of guidance set can
So that stability is good when movable jacking block pushes core model.
Preferably, the fixation jacking block is installed on the fixation bracket by an adjusting component, component is adjusted
It including screw rod and is threadedly engaged in two nuts on screw rod, through-hole is provided on fixed bracket for installing screw rod, two nuts
The support bracket fastened two sides are divided into, the fixation jacking block is fixedly connected on the end of the screw rod.
Using the above scheme, the position of fixed jacking block is adjusted by rotating nuts, adapts to different product mold
Processing, two nuts, which are arranged, can play the role of axial limiting to screw rod.
Automobile pipe fitting port forming method, core model is inserted in automobile pipe fitting to be formed, stretches out the path section of core model
The necking section of automobile pipe fitting to be formed, bulging block is located in the corresponding inner cavity in formation of tubes end to be formed, then by pipe to be formed
Part is correspondingly placed into the lower mode cavity of lower die, lift drive mechanism driving upper mold move downward until upper die and lower die pairing to
Automobile pipe fitting is pressed in die cavity, fixed jacking block abuts against molding die one end corresponding with formation of tubes end end, activity
Jacking block abuts against the end of multi-diameter shaft path section, press driving assembly to movable jacking block exert a force driving movable jacking block drive core model to
Fixed jacking block movement, when bulging block top is persistently axial to movable jacking block and multi-diameter shaft to driving assembly is pressed when fixing jacking block
Force generates extruding force to bulging block, and since bulging block is soft materials, i.e. bulging block is radially expanded to generate expansive force, right
The tube wall of the pipe fitting of the bulging block corresponding position generates certain extruding force, realizes tube wall radial direction evagination deformation and forms two companies
Connect convex ribs.
In conclusion the invention has the following advantages:
The present invention drives upper mold elevating movement and driving movable jacking block that core model is pushed to mention bulging block by hydraulic cylinder
For axial force, bulging block is made to be radially expanded deformation, tube wall stretcher strain is made to the tube wall extruding of automobile pipe fitting, to be filled with into
The die cavity of pattern tool, forms connection convex ribs, and molding mode in this way, makes the inner wall smooth for connecting convex ribs, facilitates
The circulation of gas, whole process process is simple, and forming stability is good, high in machining efficiency, cost of labor is lower.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing automobile pipe fitting.
Fig. 2 is the diagrammatic cross-section of existing automobile pipe fitting.
Fig. 3 is structural schematic diagram of the invention.
Fig. 4 is the structural schematic diagram of press driving assembly of the present invention.
Fig. 5 is the structural schematic diagram of elevating mechanism of the present invention.
Fig. 6 is the structural schematic diagram for inventing the core model.
Fig. 7 is the schematic diagram of the section structure of bulging block and multi-diameter shaft of the present invention.
Fig. 8 is schematic diagram when pipe fitting of the present invention cooperates in molding die with core model.
In figure: 1 ', pipe fitting ontology;2 ', necking section;3 ', linkage section;4 ', bend pipe connection opening;5 ' aperture connectors;6'
Connect convex ribs;
1, rack;2, mould bases;21, upper mounting plate;22, column;23, lower installation board;3, lift drive mechanism;31, it goes up and down
Oil cylinder;32 vertical guide rods;4, molding die;41, upper mold;42, lower die;43, upper cavity;44, lower mode cavity;5, fixed bracket;6,
Adjust component;61, screw rod;62, nut;7, fixed jacking block;8, vertical guide rod;9, cope plate;10, oil cylinder is pressed;11, oil cylinder branch
Frame 12, laterally steering bar;13, lower template;15, sliding block;16, movable jacking block;17, multi-diameter shaft;171, groove;172, annular is recessed
Slot;18, bulging block;181, axial projection;182, annular protrusion.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one,
Automobile pipe fitting port molding equipment disclosed in the present embodiment, as shown in figure 3, including rack 1, mould bases 2, molding die
4 and top-pressure mechanism, mould bases 2 be fixedly installed in rack 1, mould bases 2 is provided with mold installation cavity, and molding die 4 is installed on mold
In installation cavity, top-pressure mechanism is set to the side of molding die 4.
As shown in Figure 3 and Figure 5, mould bases 2 includes the corresponding upper mounting plate 21 of upper and lower spacing distance, lower installation board 23 and four
Root post 22, lower installation board 23 are fixedly installed in the top of rack 1, and four columns 22 are distributed in the surrounding of lower installation board 23 vertically
And bottom end passes through lower installation board 23 and is fixedly connected with rack 1, upper mounting plate 21 is fixedly installed in the top of four columns 22, mould
Tool installation cavity is set between upper mounting plate 21 and lower installation board 23;Molding die 4 includes cope plate 9, lower template 13, upper and lower right
Upper mold 41 and lower die 42, lift drive mechanism 3 and the core model answered, lower template 13 are fixedly installed in 23 top surface of lower installation board, under
Mould 42 is fixedly installed in the top of lower template 13, and lift drive mechanism 3 is installed on upper mounting plate 21, and upper mold 41 is fixedly installed in
The bottom of cope plate 9, lift drive mechanism 3 are fixedly connected with the top of cope plate 9, and lift drive mechanism 3 is lifting cylinder 31,
The cylinder body of lifting cylinder 31 is fixedly installed in upper mounting plate 21, and the piston rod of lifting cylinder 31 is disposed through on upper mounting plate 21
The cope plate 9 of 21 lower section of through-hole and upper mounting plate be fixedly connected, the two sides of cope plate 9 are respectively arranged with slide opening, each slide opening
On be coated with a vertical guide rod 32 vertically, the bottom of vertical guide rod 32 is fixedly connected with lower installation board 13, upper mold 41 and lower die 42
Opposite face on be respectively arranged with corresponding and lateral direction penetrating upper cavity 43 and lower mode cavity 44, when upper mold 41 and lower die 42 are right
The die cavity that upper cavity 43 and lower mode cavity 44 are formed when conjunction is corresponding with the finished product shape of automobile pipe fitting.
As shown in fig. 6, core model includes bulging block 18 and multi-diameter shaft 17, the path section diameter of multi-diameter shaft 17 is less than automobile pipe fitting
Necking section internal diameter, the major diameter section diameter of multi-diameter shaft 17 and the internal diameter of pipe fitting ontology of automobile pipe fitting are corresponding, bulging block 18 be circle
The end face of cylinder, the major diameter section of one end and multi-diameter shaft 17 of bulging block 18 is fixedly connected, and bulging block 18 is polyurethane cylindrical body, circle
Axial projection 181 is provided on one end end face of cylinder, it is right with axial projection 181 to be provided on the end face of 17 major diameter section of multi-diameter shaft
The groove 171 answered radially outward is provided with annular protrusion 182,17 end of multi-diameter shaft on the side wall of the axial projection 181 of bulging block 18
Annular groove 172 corresponding with annular protrusion 182 is provided on the cell wall of groove 171 on face, when bulging block 18 and multi-diameter shaft
When 17 installation connection, the correspondence of annular protrusion 182 is plugged in groove 171, the inlay card corresponding with annular groove 172 of annular protrusion 182
Installation.
As shown in Figure 3 and Figure 4, top-pressure mechanism includes the fixation jacking block 7 and movable top for being relatively arranged on 4 both ends of molding die
Block 16 and press driving assembly 10, fixed jacking block 7 are installed in rack 1 by a fixed bracket 5, movable jacking block 16 and press
Driving assembly 10 connects, and drives movable jacking block 16 to fixed 7 relative motion of jacking block from press driving assembly 10, fixed jacking block 7 is logical
It crosses an adjusting component 6 to be installed on fixed bracket 5, adjusts component 6 and include screw rod 61 and be threadedly engaged in two on screw rod 61
Nut 62 is fixed on bracket 5 and is provided with through-hole for installing screw rod 61, and two nuts 62 are divided into the two sides of fixed bracket 5, Gu
Determine the end that jacking block 7 is fixedly connected on screw rod 61.
As shown in Figure 3 and Figure 4, press driving assembly includes press oil cylinder 10 and guidance set, and press oil cylinder 10 passes through oil
Jar support 11 is fixedly installed in rack 1, and for the piston rod of press oil cylinder 10 in laterally setting, guidance set includes being divided into parallel
The sliding block 15 for pressing the laterally steering bar 12 of cylinder piston rod two sides and being snug fit on laterally steering bar 12, two laterally steerings
Fixation is threaded onto lower template 13 bar 12 respectively, and movable jacking block 16 is fixedly installed on the side side wall of sliding block 15, presses oil cylinder
It is fixedly connected on the end of 10 piston rod and the other side side wall of sliding block 15, movable jacking block 16 is a push rod, one end of push rod
Corresponding with the small end of multi-diameter shaft 17, the other end is fixedly connected with sliding block 15.
Embodiment two, automobile pipe fitting port forming method insert core model into vapour to be formed as shown in Fig. 3, Fig. 5 and Fig. 8
In vehicle pipe fitting, the path section of multi-diameter shaft 17 is made to stretch out the necking section of automobile pipe fitting to be formed, bulging block 18 is located at pipe fitting to be formed
In the corresponding inner cavity of forming ends, then pipe fitting to be formed is correspondingly placed into the lower mode cavity of lower die 42, lift drive mechanism drives
Dynamic upper mold 41 moves downward until upper mold 41 and 42 pairing of lower die fix top to which automobile pipe fitting to be filled in die cavity and compress
Block 7 abuts against molding die one end corresponding with formation of tubes end end, and movable jacking block 16 abuts against 17 path section of multi-diameter shaft
End, press driving assembly, which exerts a force to movable jacking block 16, drives movable jacking block 16 that core model is driven to move to fixed jacking block 7, works as bulging
The top of block 18 presses driving assembly persistently to 17 axial force distribution of movable jacking block 16 and multi-diameter shaft, to bulging to when fixing jacking block 7
Block 18 generates extruding force, and since bulging block 18 is polyurethane soft materials, i.e. bulging block 18 is radially expanded to generate expansive force, right
The tube wall of the pipe fitting of 18 corresponding position of bulging block generates certain extruding force, realizes tube wall radial direction evagination deformation and forms two
Convex ribs are connected, realizes and tube wall radial direction evagination is formed into two connection convex ribs.Whole equipment structure is simple, is easy to control, and existing
Technology compares high production efficiency.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (6)
1. automobile pipe fitting port molding equipment, it is characterised in that: including rack (1), mould bases (2), molding die (4) and high pressure apparatus
Structure, mould bases (2) are fixedly installed on rack (1), and mould bases (2) is provided with the mold installation cavity for installation forming mold (4), at
It includes upper and lower corresponding upper mold (41) and lower die (42), the lift drive mechanism for driving upper mold (41) elevating movement that pattern, which has (4),
(3) and core model, lower die (42) are fixedly installed in the lower part of the mold installation cavity by lower template (13), and upper mold (41) passes through
Cope plate (9) is installed on the top of the mold installation cavity, and lift drive mechanism (3) is installed on the mould bases (2), cope plate
(9) connect with the lift drive mechanism (3), be respectively arranged on the opposite face of upper mold (41) and lower die (42) it is corresponding and
The upper cavity (43) and lower mode cavity (44) of lateral direction penetrating, upper cavity (43) and lower mode cavity when upper mold (41) and lower die (42) pairing
(44) die cavity formed is corresponding with the finished product shape of automobile pipe fitting, and the core model includes bulging block (18) and multi-diameter shaft (17), rank
The path section diameter of terraced axis (17) is less than the necking section internal diameter of automobile pipe fitting, the major diameter section diameter and automobile pipe fitting of multi-diameter shaft (17)
Pipe fitting ontology internal diameter it is corresponding, bulging block (18) is cylindrical body, one end of bulging block (18) and the major diameter section of multi-diameter shaft (17)
End face be fixedly connected;The top-pressure mechanism includes being relatively arranged on the fixation jacking block (7) at molding die die cavity both ends and living
Dynamic jacking block (16) and drive movable jacking block (16) to the press driving assembly of fixed jacking block (7) relative motion, fixed jacking block (7)
It is fixedly mounted by one fixed bracket (5);The press driving assembly includes press oil cylinder (10) and guidance set, presses oil cylinder
(10) it is fixedly installed on rack (1) by cylinder bracket (11), the piston rod of press oil cylinder (10) is described in laterally setting
Guidance set includes being divided into the laterally steering bar (12) of press oil cylinder (10) piston rod two sides in parallel and being snug fit at transverse direction
Sliding block (15) on guide rod (12), fixation is threaded on the lower template (13) two laterally steering bars (12) respectively, described
Movable jacking block (16) is fixedly installed on the side side wall of sliding block (15), presses end and the sliding block of the piston rod of oil cylinder (10)
(15) it is fixedly connected on other side side wall and corresponding with movable jacking block (16).
2. automobile pipe fitting port according to claim 1 molding equipment, it is characterised in that: the bulging block (18) is poly-
Urethane cylindrical body is provided with axial projection (181) on one end end face of cylindrical body, the end face of the multi-diameter shaft (17) major diameter section
On be provided with groove (171) corresponding with the axial projection (181), when bulging block (18) and multi-diameter shaft (17) installation connect
When, axial projection (181) close-fitting is plugged in corresponding groove (171).
3. automobile pipe fitting port according to claim 2 molding equipment, it is characterised in that: the axis of the bulging block (18)
It is radially outward provided with annular protrusion (182) on the side wall of raised (181), the groove on multi-diameter shaft (17) end face
(171) annular groove (172) corresponding with the annular protrusion (182) is provided on cell wall, when bulging block (18) and ladder
When axis (17) installation connection, annular protrusion (182) inlay card installation corresponding with annular groove (172).
4. automobile pipe fitting port according to claim 1,2 or 3 molding equipment, it is characterised in that: mould bases (2) packet
It includes more root posts (22) and is individually fixed in column (22) both ends and parallel upper mounting plate (21) and lower installation board (23), under
Mounting plate (23) is fixedly installed in the top surface of rack (1), and lower template (13) is fixedly installed on lower installation board (23), upper mounting plate
(21) the mold installation cavity for being used for installation forming mold (4) is formed between lower installation board (23).
5. automobile pipe fitting port according to claim 4 molding equipment, it is characterised in that: the lift drive mechanism
It (3) is lifting cylinder (31) that the cylinder body of lifting cylinder (31) is fixedly installed in the upper mounting plate (21), lifting cylinder (31)
Piston rod is arranged straight down, and the piston rod end of lifting cylinder (31) is fixedly connected with the top surface of cope plate (9).
6. the forming method of automobile pipe fitting port according to claim 1-5 molding equipment, it is characterised in that: will
Core model inserts in automobile pipe fitting to be formed, and the path section of core model is made to stretch out the necking section of automobile pipe fitting to be formed, bulging block
(18) it is located in the corresponding inner cavity in formation of tubes end to be formed, then pipe fitting to be formed is correspondingly placed into the lower die of lower die (42)
In chamber (44), lift drive mechanism (3) driving upper mold (41) will be moved downward until upper mold (41) and lower die (42) pairing will be thus will
Automobile pipe fitting is pressed in die cavity, and fixed jacking block (7) abut against molding die (4) one end corresponding with formation of tubes end end,
Movable jacking block (16) abuts against the end of multi-diameter shaft (17) path section, and press driving assembly exerts a force to movable jacking block (16) to drive and live
Moving jacking block (16) drives core model to move to fixed jacking block (7), when bulging block (18) top presses driving group to when fixing jacking block (7)
Part generates extruding force to bulging block (18), due to bulging block persistently to movable jacking block (16) and multi-diameter shaft (17) axial force distribution
It (18) is soft materials, i.e. bulging block (18) is radially expanded to generating expansive force, to the pipe fitting of bulging block (18) corresponding position
Tube wall generates certain extruding force, realizes tube wall radial direction evagination deformation and forms two connection convex ribs.
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CN201710375162.7A CN106955940B (en) | 2017-05-24 | 2017-05-24 | Automobile pipe fitting port molding equipment and its port forming method |
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CN201710375162.7A CN106955940B (en) | 2017-05-24 | 2017-05-24 | Automobile pipe fitting port molding equipment and its port forming method |
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CN106955940B true CN106955940B (en) | 2019-04-23 |
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CN205289502U (en) * | 2015-11-26 | 2016-06-08 | 潍柴重机股份有限公司 | Automatic expand tube special plane |
CN207271983U (en) * | 2017-05-24 | 2018-04-27 | 宁波嘉天汽车管件有限公司 | Automobile pipe fitting port former |
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