CN105291375B - Rear mold plate of injection molding machine - Google Patents
Rear mold plate of injection molding machine Download PDFInfo
- Publication number
- CN105291375B CN105291375B CN201510746489.1A CN201510746489A CN105291375B CN 105291375 B CN105291375 B CN 105291375B CN 201510746489 A CN201510746489 A CN 201510746489A CN 105291375 B CN105291375 B CN 105291375B
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- CN
- China
- Prior art keywords
- crosshead
- line slideway
- injection molding
- molding machine
- sliding block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of rear mold plate of injection molding machine, including independent link supports seat with the crosshead for being movably arranged on independent link supports seat side is connected by connecting rod, the side that independent link supports seat against nearly crosshead sets two side plates, two side plates are symmetricly set on crosshead both sides, and the both sides of crosshead are flexibly connected by guidance set with two side plates respectively；Guidance set includes the line slideway being fixedly connected with side plate and the sliding block being engaged with line slideway, sliding block are fixedly connected with crosshead, and cylindrical roller is provided between line slideway and sliding block.The present invention is oriented to by the way that line slideway, sliding block and cylindrical roller are collectively constituted into guidance set to crosshead, friction during die sinking is changed to rolling friction by sliding friction, reduce frictional force, effectively solve the problems, such as that traditional rear pattern plate is oriented to using the axis of guide and is caused frictional resistance excessive and be easily bent deformation, ensure that die open/close movement process is steady, smooth, improve the service life of injection machine.
Description
Technical field
The present invention relates to mold machining technology field, and in particular to a kind of rear mold plate of injection molding machine.
Background technology
Rear pattern plate is one of important hard parts of injection machine, and for the connecting rod injection machine of double-toggle three, it mainly plays completion
Open mold and the effect for adjusting mold thickness.Due to the foozle of pull bar, cause open mold to differ and surely realize synchronization steering,
Therefore the axis of guide is introduced to carry out secondary guiding to crosshead.As shown in Figure 1, 2, a kind of rear pattern plate, the rear pattern plate include pedestal 1 '
With the crosshead 3 ' that the side of pedestal 1 ' is movably arranged on by the connection of connecting rod 2 ', pedestal 1 ' is symmetrically set close to the side of crosshead 3 '
Two axis of guides 4 ' are put, crosshead 1 ' has the slip that internal diameter is engaged with the axis of guide 4 ' close to the end set of the axis of guide 4 '
Copper sheathing 5 ', by slide copper sheathing 5 ' be enclosed on the axis of guide 4 ' above can be reciprocating along the axis of guide 4 ', in the axis of guide 4 ' away from pedestal
1 ' one end is provided with and spacing limit base 6 ' is carried out to the shift position of crosshead 3 ', the one end of limit base 6 ' away from the axis of guide 4 '
It is fixedly connected with pedestal 1 ', the rear pattern plate has following defect on guidance mode：
(1) friction mode, slided between copper sheathing 5 ' and the axis of guide 4 ' belongs to sliding friction, and frictional resistance is larger；
(2), the only both ends of the axis of guide 4 ' are directly or indirectly fixed on pedestal 1 ', equivalent to one built-in beam, folding
External force caused by mould can cause the flexural deformation of the axis of guide 4 ', cause open mold steadily to operate, so as to influence injection machine
Normal work and production efficiency.
The content of the invention
It is an object of the present invention to provide a kind of rear mold plate of injection molding machine, its is simple in construction, during open mold
Frictional force is small.
It is another object of the present invention to provide a kind of rear mold plate of injection molding machine, its guidance set is unlikely to deform, open mold
Process is more smooth and steady.
To use following technical scheme up to this purpose, the present invention：
A kind of rear mold plate of injection molding machine is provided, including independent link supports seat connected with by connecting rod be movably arranged on it is described solely
The crosshead of vertical link supports seat side, the side that the independent link supports seat against the nearly crosshead set two side plates,
Two side plates are symmetricly set on the both sides of the crosshead, and the both sides of the crosshead pass through guidance set and two respectively
The side plate is flexibly connected；
The guidance set includes the line slideway that is fixedly connected with the side plate and is engaged with the line slideway
Sliding block, the sliding block are fixedly connected with the crosshead, and cylindrical roller is provided between the line slideway and the sliding block.
As the preferred scheme of rear mold plate of injection molding machine, the line slideway is provided with convex connect close to the side of the crosshead
Portion, the width at the middle part of the cross section of the convex jointing part are less than the width at its both ends, and the sliding block is close to the line slideway
Side is provided with recessed socket part, and the recessed socket part is engaged with the convex jointing part, the cylindrical roller be arranged on the recessed socket part with
Between the convex jointing part.
As the preferred scheme of rear mold plate of injection molding machine, it is further fixedly arranged on the independent link supports seat for supporting institute
The support frame of connecting rod is stated, the crosshead is connected by connecting rod with support frame as described above.
As the preferred scheme of rear mold plate of injection molding machine, the connecting rod two end passes through pitman shaft and the crosshead, institute respectively
State support frame rotation connection.
As the preferred scheme of rear mold plate of injection molding machine, the independent link supports seat is provided centrally with folding mould oil cylinder,
The folding mould oil cylinder in the middle part of the crosshead with being fixedly connected.
As the preferred scheme of rear mold plate of injection molding machine, the sliding block is connected by screw with the crosshead, the side plate
On be provided with positioning hole, the line slideway is installed on the side plate by the locating dowel being engaged with the positioning hole.
As the preferred scheme of rear mold plate of injection molding machine, at least provided with two positioning holes on the side plate.
As the preferred scheme of rear mold plate of injection molding machine, the crosshead is provided with close to wherein one end of the guidance set
The tight detection bar of mold lock, the tight detection bar of mold lock are connected by screw with the crosshead；The side plate is tight close to the mold lock
Detection bar sets limit switch assembly, and the limit switch assembly includes the die sinking proximity switch seat being fixedly connected with the side plate
With the proximity switch for being arranged at the die sinking proximity switch seat.
As the preferred scheme of rear mold plate of injection molding machine, the crosshead is symmetrically arranged with close to the both ends of the guidance set
Two connecting holes, to be connected with moving platen liftout attachment.
Beneficial effects of the present invention：The present invention by line slideway, sliding block and cylindrical roller by collectively constituting guiding group
Part, crosshead is oriented to the axis of guide for substituting traditional, can be by friction mode by traditional sliding sleeve and the axis of guide
Between sliding friction become rolling friction between cylindrical roller and line slideway, sliding block, reduce and produce during open mold
Raw frictional force, effectively solve traditional rear pattern plate and be oriented to using the axis of guide and cause frictional resistance excessive and be easily bent
The problem of deformation, ensure the steady and smooth of die open/close movement process, improve the service life of injection machine.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, it will make below to required in the embodiment of the present invention
Accompanying drawing is briefly described.It should be evident that drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the dimensional structure diagram of existing rear mold plate of injection molding machine.
Fig. 2 is Fig. 1 schematic top plan view.
Fig. 3 is the dimensional structure diagram of the rear mold plate of injection molding machine of the present invention.
Fig. 4 is Fig. 3 schematic rear view.
Fig. 5 is the crosshead of the present invention and the dimensional structure diagram of guidance set.
Fig. 6 is the crosshead of the present invention and the front view of guidance set.
In Fig. 1~2：
1 ', pedestal；2 ', connecting rod；3 ', crosshead；4 ', the axis of guide；5 ', copper sheathing is slided；6 ', limit base；
In Fig. 3~6：
1st, independent link supports seat；11st, side plate；111st, positioning hole；12nd, tie rod hole；2nd, connecting rod；3rd, crosshead；31st, connect
Hole；4th, guidance set；41st, line slideway；411st, convex jointing part；42nd, sliding block；421st, recessed socket part；5th, support frame；6th, locating dowel；7、
The tight detection bar of mold lock；8th, limit switch assembly；81st, proximity switch seat is molded；82nd, proximity switch.
Embodiment
3~6 and technical scheme is further illustrated by specific embodiment below in conjunction with the accompanying drawings.
Fig. 3 is the dimensional structure diagram of the rear mold plate of injection molding machine of the present invention.As shown in figure 3, the present embodiment provides one kind
Rear mold plate of injection molding machine, including independent link supports seat 1 and by connecting rod 2 connection be movably arranged on the independent side of link supports seat 1
Crosshead 3, independent link supports seat 1 sets two side plates 11 close to the side of crosshead 3, and two side plates 11 are symmetricly set on
The both sides of crosshead 3, the both sides of crosshead 3 are flexibly connected by guidance set 4 with two side plates 11 respectively；Guidance set 4 wraps
The line slideway 41 being fixedly connected with side plate 11 and the sliding block 42 being engaged with line slideway 41 are included, sliding block 42 is solid with crosshead 3
Fixed connection, cylindrical roller is provided between line slideway 41 and sliding block 42.The guidance set of the crosshead 3 of the present embodiment is by straight line
Guide rail 41, sliding block 42 and cylindrical roller collectively constitute, to substitute traditional axis of guide to be oriented to crosshead 3, folding
During mould, friction mode is become into cylindrical roller and line slideway by the sliding friction between traditional slip copper sheathing and the axis of guide
41st, the rolling friction between sliding block 42, reduce caused frictional force during open mold, effectively solve traditional rear pattern plate and adopt
It is oriented to the axis of guide and causes frictional resistance excessive and the problem of the axis of guide is easily bent deformation, ensure die open/close movement mistake
The fluency of journey, folding mold process is more steady, improves the service life of injection machine.
As shown in Figure 5, Figure 6, line slideway 41 is provided with convex jointing part 411 close to the side of crosshead 3, convex jointing part 411
The width at the middle part of cross section is less than the width at its both ends, and sliding block 42 is provided with recessed socket part 421 close to the side of line slideway 41,
Recessed socket part 421 is engaged with convex jointing part 411, and cylindrical roller is arranged between recessed socket part 421 and convex jointing part 411.Line slideway 41
Convex jointing part 411 be engaged with the recessed socket part 421 of sliding block 42, and the width at the middle part of the cross section of convex jointing part 411 be less than its two
The width at end, line slideway 41 during open mold can be avoided to be separated with sliding block 42, make folding mold process more steady.
The support frame 5 for support link 2 is further fixedly arranged on independent link supports seat 1, crosshead 3 passes through connecting rod 2
It is connected with support frame 5.Specifically, as shown in Figure 3, Figure 4, support frame 5 passes through interior hexagonal cylindrical screw and independent link supports seat 1
It is fixedly connected, the upper and lower ends of crosshead 3 are flexibly connected by connecting rod 2 with support frame 5 respectively, when injection machine works, the band of crosshead 3
Dynamic connecting rod 2 and moving platen move back and forth, and guidance set 4 then ensures that crosshead 3 remains horizontal movement to realize open mold,
Make die open/close movement process more steady, smooth.
The both ends of connecting rod 2 are rotatablely connected by pitman shaft and crosshead 3, support frame 5 respectively, to be driven by folding mould oil cylinder
Crosshead 3, then drivening rod 2 and moving platen are moved back and forth to realize open mold.Specifically, after the injection machine in the present embodiment
The connecting rod 2 of template upper and lower ends includes three groups of sub-links respectively, forms the connecting rod of Double-crank arm three.Support frame 5 is set including four intervals
The distance between the supporting plate put, two neighboring supporting plate slightly larger than every group of sub-link width, the connecting rod interface of sub-link with
The plate interface of supporting plate thereafter by pitman shaft to being flexibly connected, and connecting rod 2 is similar with the connected mode of crosshead 3, herein no longer
Repeat.The connecting rod interface being connected with moving platen is also reserved with connecting rod 2 in the present embodiment.
Independent link supports seat 1 is provided centrally with folding mould oil cylinder, and company is fixed at folding mould oil cylinder and the middle part of crosshead 3
Connect.Folding mould oil cylinder in the present embodiment is to show in figure.Specifically, crosshead 3 is fixed on open mold by screw gate
On oil cylinder, when the in-oil cylinder piston rod of open mold drives the motion of crosshead 3, crosshead 3 relies on guidance set 4 to drive Double-crank arm real
Now reciprocal open mold is synchronized with the movement.
Sliding block 42 is connected by screw with crosshead 3, is provided with positioning hole 111 on side plate 11, line slideway 41 by with
The locating dowel 6 that positioning hole 111 is engaged is installed on side plate 11.Line slideway 41 in the present embodiment is close to side plate 11, straight line
After guide rail 41 is fixedly connected by locating dowel 6 with side plate 11, sliding block 42 moves back and forth along line slideway 41, can further avoid
Guidance set 4 produces flexural deformation, makes folding mold process more steady, smooth.
At least provided with two positioning holes 111 on side plate 11, specifically, as shown in figure 3, at least provided with two on side plate 11
Individual positioning hole 111, naturally it is also possible to three positioning holes 111 are set, make line slideway 41 connect by locating dowel 6 and the stabilization of side plate 11
Connect.
Crosshead 3 is provided with the tight detection bar 7 of mold lock close to wherein one end of guidance set 4, and the tight detection bar 7 of mold lock passes through spiral shell
Nail is connected with crosshead 3；Side plate 11 sets limit switch assembly 8 close to the tight detection bar 7 of mold lock, limit switch assembly 8 include with
The die sinking proximity switch seat 81 and be arranged at the proximity switch 82 for molding proximity switch seat 81 that side plate 11 is fixedly connected.During matched moulds,
Crosshead 3 drives the tight detection bar 7 of mold lock to move, and proximity switch 82 is grown by detecting the tight detection bar 7 of mold lock beyond proximity switch 82
Spend to judge whether matched moulds closes tightly.
Crosshead 3 in the present embodiment is symmetrically arranged with two connecting holes 31 close to the both ends of guidance set 4, to moving
Template liftout attachment connects, more specifically, connecting hole 31 is connected with the knock-pin in moving platen liftout attachment, product carries out it
Afterwards, it is ejected from moving platen by knock-pin.
In summary, line slideway, sliding block and the cylindrical roller in the present invention collectively constitute guidance set, are passed with substituting
The axis of guide of system is oriented to crosshead, and friction mode can be rubbed by the slip between traditional sliding sleeve and the axis of guide
Wiping becomes the rolling friction between cylindrical roller and line slideway, sliding block, reduces caused frictional force during open mold, has
Effect solves the problems, such as that traditional rear pattern plate is oriented to using the axis of guide and is caused frictional resistance excessive and be easily bent deformation, protects
The fluency of die open/close movement process is demonstrate,proved, makes folding mold process more steady, smooth, improves the service life of injection machine.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, there will be changes, this specification content should not be construed as to the present invention in specific embodiments and applications
Limitation.
Claims (8)
1. a kind of rear mold plate of injection molding machine, including independent link supports seat (1) and by connecting rod (2) connection be movably arranged on it is described solely
The crosshead (3) of vertical link supports seat (1) side, the independent link supports seat (1) set close to the side of the crosshead (3)
Two side plates (11) are put, two side plates (11) are symmetricly set on the both sides of the crosshead (3), it is characterised in that described
The both sides of crosshead (3) are flexibly connected by guidance set (4) with two side plates (11) respectively；
The guidance set (4) include the line slideway (41) that is fixedly connected with the side plate (11) and with the line slideway
(41) sliding block (42) being engaged, the sliding block (42) are fixedly connected with the crosshead (3), the line slideway (41) and institute
State and cylindrical roller is provided between sliding block (42), the line slideway (41) is provided with convex close to the side of the crosshead (3)
Socket part (411), the width at the middle part of the cross section of the convex jointing part (411) are less than the width at its both ends, and the sliding block (42) is leaned on
The side of the nearly line slideway (41) is provided with recessed socket part (421), the recessed socket part (421) and the convex jointing part (411) phase
Coordinate, the cylindrical roller is arranged between the recessed socket part (421) and the convex jointing part (411).
2. rear mold plate of injection molding machine according to claim 1, it is characterised in that also solid on the independent link supports seat (1)
Surely the support frame (5) for supporting the connecting rod (2) is provided with, the crosshead (3) passes through connecting rod (2) and support frame as described above
(5) connect.
3. rear mold plate of injection molding machine according to claim 2, it is characterised in that connecting rod (2) both ends pass through connecting rod respectively
Axle is rotatablely connected with the crosshead (3), support frame as described above (5).
4. rear mold plate of injection molding machine according to claim 1, it is characterised in that the center of the independent link supports seat (1)
Folding mould oil cylinder is provided with, the folding mould oil cylinder in the middle part of the crosshead (3) with being fixedly connected.
5. rear mold plate of injection molding machine according to claim 1, it is characterised in that the sliding block (42) passes through screw and described ten
Prefix (3) connects, and is provided with positioning hole (111) on the side plate (11), the line slideway (41) by with the positioning hole
(111) locating dowel (6) being engaged is installed on the side plate (11).
6. rear mold plate of injection molding machine according to claim 5, it is characterised in that at least provided with two on the side plate (11)
The positioning hole (111).
7. according to the rear mold plate of injection molding machine described in any one of claim 1 to 6, it is characterised in that the crosshead (3) is close to institute
The wherein one end for stating guidance set (4) is provided with the tight detection bar of mold lock (7), and the tight detection bar of mold lock (7) passes through screw and institute
State crosshead (3) connection；The side plate (11) sets limit switch assembly (8), the limit close to the tight detection bar of the mold lock (7)
Bit switch component (8) includes the die sinking proximity switch seat (81) that is fixedly connected with the side plate (11) and is arranged at described mold connecing
The proximity switch (82) of nearly switch base (81).
8. according to the rear mold plate of injection molding machine described in any one of claim 1 to 6, it is characterised in that the crosshead (3) is close to institute
The both ends for stating guidance set (4) are symmetrically arranged with two connecting holes (31), to be connected with moving platen liftout attachment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510746489.1A CN105291375B (en) | 2015-11-04 | 2015-11-04 | Rear mold plate of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510746489.1A CN105291375B (en) | 2015-11-04 | 2015-11-04 | Rear mold plate of injection molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105291375A CN105291375A (en) | 2016-02-03 |
| CN105291375B true CN105291375B (en) | 2017-11-17 |
Family
ID=55189521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510746489.1A Active CN105291375B (en) | 2015-11-04 | 2015-11-04 | Rear mold plate of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105291375B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2602908Y (en) * | 2003-03-04 | 2004-02-11 | 雷伟伦 | Mould locking machine |
| CN201832981U (en) * | 2010-11-02 | 2011-05-18 | 宁波力劲科技有限公司 | Mold closing device of mold casting machine |
| CN202106524U (en) * | 2011-06-17 | 2012-01-11 | 山东胜岳精密机械有限公司 | Hydraulic motor and toggle type mold clamping and locking device for injection machine |
| CN205148779U (en) * | 2015-11-04 | 2016-04-13 | 广州一道注塑机械股份有限公司 | Injection machine rear caul |
-
2015
- 2015-11-04 CN CN201510746489.1A patent/CN105291375B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2602908Y (en) * | 2003-03-04 | 2004-02-11 | 雷伟伦 | Mould locking machine |
| CN201832981U (en) * | 2010-11-02 | 2011-05-18 | 宁波力劲科技有限公司 | Mold closing device of mold casting machine |
| CN202106524U (en) * | 2011-06-17 | 2012-01-11 | 山东胜岳精密机械有限公司 | Hydraulic motor and toggle type mold clamping and locking device for injection machine |
| CN205148779U (en) * | 2015-11-04 | 2016-04-13 | 广州一道注塑机械股份有限公司 | Injection machine rear caul |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105291375A (en) | 2016-02-03 |
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Address after: 510663 Guangdong, China Hi tech Industrial Development Zone, Guangzhou, No. 19 Shenzhou Road, building on the third floor of the third floor Applicant after: GUANGZHOU UNIQUE INJECTION MOLDING SYSTEM CO., LTD. Address before: Science road Luogang District road in Guangzhou city of Guangdong province 510663 No. 99 Department of Jingu department three Street No. two six floor (Room 601) Applicant before: Guangzhou Yidao Injection Molding Machinery Co., Ltd. |
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