CN105291375A - Rear die plate of injection molding machine - Google Patents
Rear die plate of injection molding machine Download PDFInfo
- Publication number
- CN105291375A CN105291375A CN201510746489.1A CN201510746489A CN105291375A CN 105291375 A CN105291375 A CN 105291375A CN 201510746489 A CN201510746489 A CN 201510746489A CN 105291375 A CN105291375 A CN 105291375A
- Authority
- CN
- China
- Prior art keywords
- crosshead
- injection molding
- molding machine
- slide block
- rear mold
- 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
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- 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
Abstract
The invention discloses a rear die plate of an injection molding machine. The rear die plate comprises an independent connection rod supporting base and a crosshead arranged on one side of the independent connection rod supporting base through connection rod connection. Two side plates are arranged on the side, close to the crosshead, of the independent connection rod supporting base and are symmetrically arranged on the two sides of the crosshead. The two sides of the crosshead are movably connected with the two side plates through guide assemblies respectively. Each guide assembly comprises a linear guide rail fixedly connected with the corresponding side plate, and a slide block matched with the linear guide rail, wherein the slide block is fixedly connected with the crosshead, and a cylindrical roller is arranged between the linear guide rail and the slide block. The crosshead is guided through the guide assemblies formed by the linear guide rails, the slide blocks and the cylindrical rollers together, friction in the die opening process is changed into rolling friction from sliding friction, the friction force is reduced, the problems that because guiding is achieved for traditional rear die plates through guide shafts, the friction resistance is too large and bending and deforming are prone to happening are effectively solved, it is ensured that the die opening and closing movement process is stable and smooth, and the service life of the injection molding machine is prolonged.
Description
Technical field
The present invention relates to mold machining technology field, be specifically related 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 double-toggle three connecting rod injection machine, it has mainly played folding mould and has regulated mold thickness.Due to the foozle of pull bar, cause folding mould to differ and realize synchronization steering surely, therefore the introducing axis of guide carries out secondary guiding to crosshead.As Fig. 1, shown in 2, a kind of rear pattern plate, this rear pattern plate is comprised pedestal 1 ' and is connected the crosshead 3 ' being movably arranged on pedestal 1 ' side by connecting rod 2 ', pedestal 1 ' is symmetrical arranged two axis of guides 4 ' near the side of crosshead 3 ', crosshead 1 ' is provided with the slip copper sheathing 5 ' that internal diameter matches with the described axis of guide 4 ' near the end of the axis of guide 4 ', being enclosed within by slip copper sheathing 5 ' can be reciprocating along the axis of guide 4 ' on the axis of guide 4 ', to be provided with away from one end of pedestal 1 ' at the axis of guide 4 ' and spacing limit base 6 ' is carried out to crosshead 3 ' shift position, limit base 6 ' is fixedly connected with pedestal 1 ' away from one end of the axis of guide 4 ', following defect is there is in this rear pattern plate on guidance mode:
(1) friction mode, between slip copper sheathing 5 ' and the axis of guide 4 ' belongs to sliding friction, and frictional resistance is larger;
(2), the axis of guide 4 ' only directly or is indirectly fixed on pedestal 1 ' in two ends, be equivalent to a built-in beam, the external force that folding mould produces can cause the axis of guide 4 ' flexural deformation, causes folding mould can not smooth operation, thus affects normal work and the production efficiency of injection machine.
Summary of the invention
One object of the present invention is to provide a kind of rear mold plate of injection molding machine, and its structure is simple, and the frictional force in folding mold process is little.
Another object of the present invention is to provide a kind of rear mold plate of injection molding machine, and its guidance set is not yielding, and folding mold process is more smooth and steady.
For reaching this object, the present invention by the following technical solutions:
A kind of rear mold plate of injection molding machine is provided, comprise independent link supports seat and be connected the crosshead being movably arranged on described independent link supports seat side with by connecting rod, described independent link supports seat arranges two side plates near the side of described crosshead, two described side plates are symmetricly set on the both sides of described crosshead, and the both sides of described crosshead are flexibly connected with two described side plates respectively by guidance set;
Described guidance set comprises the line slideway be fixedly connected with described side plate and the slide block matched with described line slideway, and described slide block is fixedly connected with described crosshead, is provided with cylindrical roller between described line slideway and described slide block.
As the preferred version of rear mold plate of injection molding machine, described line slideway is provided with convex jointing part near the side of described crosshead, the width at the middle part of the cross section of described convex jointing part is less than the width at its two ends, described slide block is provided with near the side of described line slideway and recessedly meets portion, the described recessed portion that connects matches with described convex jointing part, and described cylindrical roller is arranged on described recessedly to connect between portion and described convex jointing part.
As the preferred version of rear mold plate of injection molding machine, described independent link supports seat is also fixedly installed the bracing frame for supporting described connecting rod, described crosshead is connected with support frame as described above by connecting rod.
As the preferred version of rear mold plate of injection molding machine, described connecting rod two ends are rotationally connected respectively by pitman shaft and described crosshead, support frame as described above.
As the preferred version of rear mold plate of injection molding machine, the center of described independent link supports seat is provided with folding mould oil cylinder, and described folding mould oil cylinder is fixedly connected with the middle part of described crosshead.
As the preferred version of rear mold plate of injection molding machine, described slide block is connected with described crosshead by screw, and described side plate is provided with locating hole, and described line slideway is installed on described side plate by the locating dowel matched with described locating hole.
As the preferred version of rear mold plate of injection molding machine, described side plate is at least provided with two described locating holes.
As the preferred version of rear mold plate of injection molding machine, described crosshead is provided with mould locking test rod near wherein one end of described guidance set, and described mould locking test rod is connected with described crosshead by screw; Described side plate arranges limit switch assembly near described mould locking test rod, and described limit switch assembly comprises the die sinking proximity switch seat be fixedly connected with described side plate and the proximity switch being arranged at described die sinking proximity switch seat.
As the preferred version of rear mold plate of injection molding machine, described crosshead is symmetrically arranged with two connecting holes near the two ends of described guidance set, in order to be connected with moving platen liftout attachment.
Beneficial effect of the present invention: the present invention passes through line slideway, slide block and cylindrical roller form guidance set jointly, to substitute traditional axis of guide, crosshead is led, friction mode can be become cylindrical roller and line slideway by the sliding friction between traditional sliding sleeve and the axis of guide, rolling friction between slide block, decrease the frictional force produced in folding mold process, the traditional rear pattern plate of effective solution adopts the axis of guide to carry out leading and causing the excessive and easy diastrophic problem of frictional resistance, ensure the steady and smooth of die open/close movement process, improve the service life of injection machine.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in the embodiment of the present invention below.Apparently, below described accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the perspective view of existing rear mold plate of injection molding machine.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is the perspective view of rear mold plate of injection molding machine of the present invention.
Fig. 4 is the schematic rear view of Fig. 3.
Fig. 5 is the perspective view of crosshead of the present invention and guidance set.
Fig. 6 is the front view of crosshead of the present invention and guidance set.
In Fig. 1 ~ 2:
1 ', pedestal; 2 ', connecting rod; 3 ', crosshead; 4 ', the axis of guide; 5 ', slip copper sheathing; 6 ', limit base;
In Fig. 3 ~ 6:
1, independent link supports seat; 11, side plate; 111, locating hole; 12, tie rod hole; 2, connecting rod; 3, crosshead; 31, connecting hole; 4, guidance set; 41, line slideway; 411, convex jointing part; 42, slide block; 421, recessedly portion is met; 5, bracing frame; 6, locating dowel; 7, mould locking test rod; 8, limit switch assembly; 81, die sinking proximity switch seat; 82, proximity switch.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by specific embodiment below in conjunction with accompanying drawing 3 ~ 6.
Fig. 3 is the perspective view of rear mold plate of injection molding machine of the present invention.As shown in Figure 3, the present embodiment provides a kind of rear mold plate of injection molding machine, comprise independent link supports seat 1 and be connected the crosshead 3 being movably arranged on independent link supports seat 1 side by connecting rod 2, independent link supports seat 1 arranges two side plates 11 near the side of crosshead 3, two side plates 11 are symmetricly set on the both sides of crosshead 3, and the both sides of crosshead 3 are flexibly connected with two side plates 11 respectively by guidance set 4; Guidance set 4 comprises the line slideway 41 be fixedly connected with side plate 11 and the slide block 42 matched with line slideway 41, and slide block 42 is fixedly connected with crosshead 3, is provided with cylindrical roller between line slideway 41 and slide block 42.The guidance set of the crosshead 3 of the present embodiment is by line slideway 41, slide block 42 and cylindrical roller form jointly, in order to replace traditional axis of guide, crosshead 3 is led, during folding mould, friction mode is become cylindrical roller and line slideway 41 by the sliding friction between traditional slip copper sheathing and the axis of guide, rolling friction between slide block 42, decrease the frictional force produced in folding mold process, the traditional rear pattern plate of effective solution adopts the axis of guide to carry out leading and causes the excessive and easy diastrophic problem of the axis of guide of frictional resistance, ensure the fluency of die open/close movement process, folding mold process is more steady, improve the service life of injection machine.
As shown in Figure 5, Figure 6, line slideway 41 is provided with convex jointing part 411 near the side of crosshead 3, the width at the middle part of the cross section of convex jointing part 411 is less than the width at its two ends, slide block 42 is provided with near the side of line slideway 41 and recessedly meets portion 421, the recessed portion 421 that connects matches with convex jointing part 411, and cylindrical roller is arranged on recessed connecing between portion 421 and convex jointing part 411.The convex jointing part 411 of line slideway 41 meets portion 421 with the recessed of slide block 42 and matches, and the width at the middle part of the cross section of convex jointing part 411 is less than the width at its two ends, and when can avoid folding mould, line slideway 41 and slide block 42 are separated, and make folding mold process more steady.
Independent link supports seat 1 is also fixedly installed the bracing frame 5 for support link 2, crosshead 3 is connected with bracing frame 5 by connecting rod 2.Particularly, as shown in Figure 3, Figure 4, bracing frame 5 is fixedly connected with independent link supports seat 1 by interior hexagonal cylindrical screw, crosshead about 3 two ends are flexibly connected with bracing frame 5 respectively by connecting rod 2, during injection machine work, crosshead 3 drivening rod 2 and moving platen move back and forth, and guidance set 4 then ensures that crosshead 3 remains that horizontal movement is to realize folding mould, makes die open/close movement process more steady, smooth and easy.
Connecting rod 2 two ends are rotationally connected respectively by pitman shaft and crosshead 3, bracing frame 5, move back and forth to be driven crosshead 3, then drivening rod 2 and moving platen by folding mould oil cylinder to realize folding mould.Particularly, the connecting rod 2 at the upper and lower two ends of the rear mold plate of injection molding machine in the present embodiment comprises three groups of sub-connecting rods respectively, composition Double-crank arm three connecting rod.Bracing frame 5 comprises four spaced gripper shoes, distance between adjacent two gripper shoes is slightly larger than the width often organizing sub-connecting rod, the connecting rod interface of sub-connecting rod and the plate interface of gripper shoe are to being flexibly connected by pitman shaft thereafter, and connecting rod 2 is similar with the connected mode of crosshead 3, does not repeat them here.Connecting rod 2 in the present embodiment is also reserved with the connecting rod interface be connected with moving platen.
The center of independent link supports seat 1 is provided with folding mould oil cylinder, and folding mould oil cylinder is fixedly connected with the middle part of crosshead 3.Folding mould oil cylinder in the present embodiment is in the drawings for illustrating.Particularly, crosshead 3 is fixed on folding mould oil cylinder by screw gate, and when the piston rod in folding mould oil cylinder drives crosshead 3 to move, crosshead 3 is relied on guidance set 4 to drive Double-crank arm to realize reciprocal folding mould and is synchronized with the movement.
Slide block 42 is connected with crosshead 3 by screw, side plate 11 is provided with locating hole 111, and line slideway 41 is installed on side plate 11 by the locating dowel 6 matched with locating hole 111.Line slideway 41 in the present embodiment is close to side plate 11, after line slideway 41 is fixedly connected with side plate 11 by locating dowel 6, slide block 42 linearly guide rail 41 moves back and forth, and guidance set 4 can be avoided further to produce flexural deformation, make folding mold process more steady, smooth.
Side plate 11 is at least provided with two locating holes 111, particularly, as shown in Figure 3, side plate 11 is at least provided with two locating holes 111, three locating holes 111 can certainly be set, line slideway 41 is connected with side plate 11 is stable by locating dowel 6.
Crosshead 3 is provided with mould locking test rod 7 near wherein one end of guidance set 4, mould locking test rod 7 is connected with crosshead 3 by screw; Side plate 11 arranges limit switch assembly 8 near mould locking test rod 7, and limit switch assembly 8 comprises the die sinking proximity switch seat 81 be fixedly connected with side plate 11 and the proximity switch 82 being arranged at die sinking proximity switch seat 81.During matched moulds, crosshead 3 is with dynamic model to lock test rod 7 and is moved, and proximity switch 82 exceeds proximity switch 82 length to judge whether matched moulds closes tightly by detecting mould locking test rod 7.
Crosshead 3 in the present embodiment is symmetrically arranged with two connecting holes 31 near the two ends of guidance set 4, in order to be connected with moving platen liftout attachment, more specifically, connecting hole 31 is connected with the knock-pin in moving platen liftout attachment, after goods are carried out, by knock-pin, it is ejected from moving platen.
In sum, line slideway in the present invention, slide block and cylindrical roller form guidance set jointly, to substitute traditional axis of guide, crosshead is led, friction mode can be become cylindrical roller and line slideway by the sliding friction between traditional sliding sleeve and the axis of guide, rolling friction between slide block, decrease the frictional force produced in folding mold process, the traditional rear pattern plate of effective solution adopts the axis of guide to carry out leading and causing the excessive and easy diastrophic problem of frictional resistance, ensure the fluency of die open/close movement process, make folding mold process more steady, smooth and easy, improve the service life of injection machine.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (9)
1. a rear mold plate of injection molding machine, comprise independent link supports seat (1) and be connected with by connecting rod (2) crosshead (3) being movably arranged on described independent link supports seat (1) side, described independent link supports seat (1) arranges two side plates (11) near the side of described crosshead (3), two described side plates (11) are symmetricly set on the both sides of described crosshead (3), it is characterized in that, the both sides of described crosshead (3) are flexibly connected with two described side plates (11) respectively by guidance set (4);
Described guidance set (4) comprises the line slideway (41) be fixedly connected with described side plate (11) and the slide block (42) matched with described line slideway (41), described slide block (42) is fixedly connected with described crosshead (3), is provided with cylindrical roller between described line slideway (41) and described slide block (42).
2. rear mold plate of injection molding machine according to claim 1, it is characterized in that, described line slideway (41) is provided with convex jointing part (411) near the side of described crosshead (3), the width at the middle part of the cross section of described convex jointing part (411) is less than the width at its two ends, described slide block (42) is provided with near the side of described line slideway (41) and recessedly meets portion (421), the described recessed portion (421) that connects matches with described convex jointing part (411), described cylindrical roller is arranged on described recessedly to connect between portion (421) and described convex jointing part (411).
3. rear mold plate of injection molding machine according to claim 1, it is characterized in that, described independent link supports seat (1) is also fixedly installed the bracing frame (5) for supporting described connecting rod (2), described crosshead (3) is connected with support frame as described above (5) by connecting rod (2).
4. rear mold plate of injection molding machine according to claim 3, is characterized in that, described connecting rod (2) two ends are rotationally connected respectively by pitman shaft and described crosshead (3), support frame as described above (5).
5. rear mold plate of injection molding machine according to claim 1, is characterized in that, the center of described independent link supports seat (1) is provided with folding mould oil cylinder, and described folding mould oil cylinder is fixedly connected with the middle part of described crosshead (3).
6. rear mold plate of injection molding machine according to claim 1, it is characterized in that, described slide block (42) is connected with described crosshead (3) by screw, described side plate (11) is provided with locating hole (111), described line slideway (41) is installed on described side plate (11) by the locating dowel (6) matched with described locating hole (111).
7. rear mold plate of injection molding machine according to claim 6, is characterized in that, described side plate (11) is at least provided with two described locating holes (111).
8. the rear mold plate of injection molding machine according to any one of claim 1 to 7, it is characterized in that, described crosshead (3) is provided with mould locking test rod (7) near wherein one end of described guidance set (4), and described mould locking test rod (7) is connected with described crosshead (3) by screw; Described side plate (11) arranges limit switch assembly (8) near described mould locking test rod (7), and described limit switch assembly (8) comprises the die sinking proximity switch seat (81) be fixedly connected with described side plate (11) and the proximity switch (82) being arranged at described die sinking proximity switch seat (81).
9. the rear mold plate of injection molding machine according to any one of claim 1 to 7, it is characterized in that, described crosshead (3) is symmetrically arranged with two connecting holes (31), in order to be connected with moving platen liftout attachment near the two ends of described guidance set (4).
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 true CN105291375A (en) | 2016-02-03 |
| CN105291375B CN105291375B (en) | 2017-11-17 |
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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 |
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| 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 |
|---|---|
| CN105291375B (en) | 2017-11-17 |
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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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