CN108189349B - Rear template assembly, hydraulic mould closing mechanism of vertical type injection machine and vertical type injection machine - Google Patents
Rear template assembly, hydraulic mould closing mechanism of vertical type injection machine and vertical type injection machine Download PDFInfo
- Publication number
- CN108189349B CN108189349B CN201711485320.0A CN201711485320A CN108189349B CN 108189349 B CN108189349 B CN 108189349B CN 201711485320 A CN201711485320 A CN 201711485320A CN 108189349 B CN108189349 B CN 108189349B
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- oil
- liquid filling
- cylinder
- oil tank
- cavity
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- 238000002347 injection Methods 0.000 title abstract description 12
- 239000007924 injection Substances 0.000 title abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000001746 injection moulding Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/67—Mould opening, closing or clamping devices hydraulic
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a rear template assembly, a hydraulic mould closing mechanism of a vertical type injection machine and a vertical type injection machine, wherein the rear template assembly comprises a rear template, a high-pressure mould locking oil cylinder is integrated on the rear template, a liquid filling oil tank for supplying oil to the high-pressure mould locking oil cylinder is arranged above the rear template along the vertical direction, a mould locking oil inlet of the high-pressure mould locking oil cylinder is arranged at one side of the rear template, which is close to the liquid filling oil tank, and is in sealing connection with an oil tank oil outlet of the liquid filling oil tank through a sealing mechanism, and a liquid filling valve for selectively blocking the mould locking oil inlet is arranged in the liquid filling oil tank. Compared with the prior art, the rear template assembly has small oil inlet power, does not generate vacuum when the high-pressure mold locking oil cylinder is used for oil inlet, and ensures the smoothness and safety of oil inlet.
Description
Technical Field
The invention relates to the technical field of injection molding equipment, in particular to a rear template assembly, a hydraulic die clamping mechanism of a vertical type injection molding machine and the vertical type injection molding machine.
Background
The clamping mechanism of the injection molding machine has the functions of ensuring the closing and opening of the mold, and after the mold is closed, the mold clamping force is required to be given to the mold to resist the mold cavity pressure generated by the molten plastic entering the mold cavity, so that the mold is prevented from slotting, and the bad condition of products is caused. The traditional machine hinge type mould closing mechanism (also called as a mechanical hydraulic mould closing mechanism) adopts full hydraulic power to provide hydraulic energy for a mould closing oil cylinder, the oil cylinder is driven, and the reciprocating motion of the oil cylinder pushes a mould plate to lock a mould, so that quick mould closing and high-pressure mould locking are realized. The mold clamping mechanism with the structure only needs to realize two actions by one oil cylinder, can not simultaneously meet the two requirements of quick movement and accurate mold clamping, and reduces the production efficiency and the quality.
Disclosure of Invention
The invention aims to provide a rear template assembly, a hydraulic mould closing mechanism of a vertical type injection machine and the vertical type injection machine, which have simple structures, can realize the rapid movement of a template, can realize accurate mould closing, and have high production efficiency and good product quality.
In order to achieve the above purpose, the invention adopts the following technical scheme:
in one aspect, a rear template assembly is provided, the rear template assembly comprises a rear template, a high-pressure mold locking oil cylinder is integrated on the rear template, a liquid filling oil tank for supplying oil to the high-pressure mold locking oil cylinder is arranged above the rear template along the vertical direction, a mold locking oil inlet of the high-pressure mold locking oil cylinder is arranged on one side, close to the liquid filling oil tank, of the rear template, the mold locking oil inlet is in sealing connection with an oil tank oil outlet of the liquid filling oil tank through a sealing mechanism, and a liquid filling valve for selectively plugging the mold locking oil inlet is arranged in the liquid filling oil tank.
As a preferable scheme, a filling valve oil cylinder is arranged on one side, far away from the rear template, of the filling oil tank, and the end part of a piston rod of the filling valve oil cylinder is connected with the filling valve so as to drive the filling valve to move along the vertical direction to selectively seal the mold locking oil inlet.
As a preferable scheme, an oil cavity is arranged in the liquid filling oil tank, an oil outlet of the oil tank is communicated with the oil cavity, a plurality of partition boards are arranged in the oil cavity, the partition boards isolate the oil cavity into at least one first oil cavity and at least two second oil cavities, the first oil cavity is used for moving the liquid filling valve and is communicated with the oil outlet of the oil tank, and the second oil cavity is communicated with the first oil cavity and is used for temporarily storing oil and cooling the oil.
As a preferable scheme, oil holes are formed in the cavity wall between two adjacent second oil cavities and the cavity wall between the second oil cavity and the first oil cavity, and the oil holes are formed in the bottom wall of the liquid filling oil tank at intervals.
As a preferable scheme, four partition boards are arranged in the oil cavity in a crisscross manner, and the four partition boards isolate the oil cavity into a first oil cavity positioned at the center of the liquid filling oil tank and eight second oil cavities arranged along the periphery of the first oil cavity.
As a preferable scheme, the end face of the mold locking oil inlet is provided with a threaded hole, the liquid filling oil tank is provided with a bottom plate close to one side of the high-pressure mold locking oil cylinder, the bottom plate is provided with a first through hole which is communicated with the first oil cavity and matched with the threaded hole, and a locking screw penetrates through the first through hole to be screwed in the threaded hole so as to connect the high-pressure mold locking oil cylinder with the liquid filling oil tank;
the Zhou Buhuan of high-pressure mode locking hydro-cylinder is equipped with two at least brackets, the one end of bracket with high-pressure mode locking hydro-cylinder fixed connection, the other end pass through the screw with bottom plate detachably connects.
As a preferred scheme, the liquid filling oil tank comprises a bottom plate and an upper cover arranged at intervals with the bottom plate, an annular side plate is arranged between the bottom plate and the upper cover, an oil cavity is formed between the upper cover, the bottom plate and the side plate, the upper cover is detachably fixed on one side, far away from the bottom plate, of the side plate through screws, the bottom plate is fixedly connected with the side plate, and at least one circle of sealing ring for sealing a gap between the bottom plate and the side plate is arranged between the upper cover and the side plate.
As a preferable scheme, the Zhou Buhuan of the high-pressure mold locking cylinder is provided with at least two brackets, one end of each bracket is fixedly connected with the high-pressure mold locking cylinder, and the other end of each bracket is detachably connected with the liquid filling oil tank through a screw.
In another aspect, a hydraulic clamping mechanism of a vertical injection molding machine is provided, comprising a rear template assembly as described above.
In yet another aspect, a vertical injection molding machine is provided that includes a hydraulic clamping mechanism of the vertical injection molding machine as described above.
The invention has the beneficial effects that: by integrating the high-pressure mold locking oil cylinder on the rear mold plate, the oil cylinder can be made large enough under the condition of not increasing the size of the rear mold plate, and the mold locking oil inlet can be made large enough to realize quick oil inlet and stable mold locking; through setting up the mode locking oil inlet directly over the back template to also set up the liquid filling oil tank directly over the back template, can be convenient for utilize the dead weight of fluid to enter into in the high pressure mode locking hydro-cylinder fast, guarantee quick and steady mode locking. Compared with the prior art, the rear template assembly has small oil inlet power, does not generate vacuum when the high-pressure mold locking oil cylinder is used for oil inlet, and ensures the smoothness and safety of oil inlet.
Drawings
Fig. 1 is a schematic structural view of a hydraulic clamping mechanism of a vertical injection molding machine according to an embodiment.
Fig. 2 is a schematic structural view of a rear die plate assembly in a hydraulic clamping mechanism of a vertical injection molding machine according to an embodiment.
In the figure:
1. a rear template; 11. a rear template body; 12. high-pressure mode locking oil cylinder; 121. locking a mold oil inlet; 122. an end face; 2. a movable template; 3. a front template; 4. a pull rod; 5. a liquid-filled oil tank; 51. an oil outlet of the oil tank; 52. a partition plate; 53. a first oil chamber; 54. a second oil chamber; 55. a bottom plate; 56. an upper cover; 57. a side plate; 6. a moving cylinder; 7. a charging valve cylinder; 8. a charging valve; 9. a bracket; 10. and a cushion pad.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 and 2, the embodiment of the invention provides a hydraulic mold clamping mechanism of a vertical injection molding machine, which comprises a rear mold plate assembly, a movable mold plate 2 and a front mold plate 3 which are sequentially arranged at intervals from top to bottom along the vertical direction, wherein the rear mold plate assembly comprises a rear mold plate 1 and a liquid filling oil tank 5 connected to one side of the rear mold plate 1 far away from the movable mold plate 2, the rear mold plate 1 and the front mold plate 3 are connected through a pull rod 4, the movable mold plate 2 is slidably arranged between the rear mold plate 1 and the front mold plate 3, a high-pressure mold locking oil cylinder 12 is integrated on the rear mold plate 1, a liquid filling oil tank 5 for supplying oil to the high-pressure mold locking oil cylinder 12 is arranged on one side of the rear mold plate 1 far away from the movable mold plate 2, the liquid filling oil tank 5 is used for supplying oil to the high-pressure mold locking oil cylinder 12, a piston rod end part of the high-pressure mold locking oil cylinder 12 is connected with the movable mold plate 2, a movable oil cylinder 6 for driving the movable mold plate 2 to rapidly move is further arranged between the rear mold plate 1 and the movable mold plate 2, wherein the diameter of the movable oil cylinder 6 is smaller than the high-pressure mold locking oil cylinder 12. Through integrated high pressure mode locking jar 12 on back template 1, can accomplish big enough with high pressure mode locking jar 12, and then realize big hydro-cylinder accuracy compound die and mode locking, improve compound die and mode locking's stability, and set up movable cylinder 6 alone, can realize movable mould plate 2's quick mould moving, promote the mould moving speed. The hydraulic mould closing mechanism of the vertical type injection machine has a simple structure, can not only realize accurate mould closing and mould locking, but also rapidly move the mould, so that the production efficiency is greatly improved, and the product quality can be ensured.
In the present embodiment, the rear die plate assembly of the combination of the rear die plate 1 and the liquid filling tank 5 integrates three functions of liquid filling, die closing and die locking.
In a preferred embodiment of the present invention, the mold locking oil inlet 121 of the high-pressure mold locking cylinder 12 is disposed right above the rear mold plate 1, and is in sealing connection with the oil tank outlet 51 of the liquid-filled oil tank 5 through a sealing mechanism, and the liquid-filled valve 8 for selectively blocking the mold locking oil inlet 121 of the high-pressure mold locking cylinder 12 is disposed in the liquid-filled oil tank 5.
The existing mould closing mechanism adopting large oil cylinder mould locking and mould moving is characterized in that a liquid filling oil tank 5 is arranged on the ground, oil is pumped into the mould locking oil cylinder by an oil pump in the liquid filling oil tank 5, vacuum is easily generated in the mould locking oil cylinder in the process of being pumped by the oil, so that the conveying speed of the oil is reduced, and potential safety hazards exist.
According to the invention, the mold locking oil inlet 121 is arranged right above the rear mold plate 1, so that oil in the liquid filling oil tank 5 can rapidly enter the high-pressure mold locking oil cylinder 12 under the action of dead weight, the mold locking speed is increased, and the mold locking process is stable.
In another preferred embodiment of the present invention, a charging valve cylinder 7 is disposed on a side of the charging oil tank 5 away from the movable platen 2, and a piston rod end of the charging valve cylinder 7 is connected to the charging valve 8 to drive the charging valve 8 to move in a vertical direction so as to selectively block the mold locking oil inlet 121. The cylinder drives the liquid filling valve 8 to move, so that stable and rapid movement can be realized, and further, the mode locking oil inlet 121 can be rapidly opened or closed.
Further, an oil cavity is disposed in the filling oil tank 5, the oil outlet 51 of the oil tank is communicated with the oil cavity, a plurality of partition boards 52 are disposed in the oil cavity, the plurality of partition boards 52 isolate the oil cavity into at least one first oil cavity 53 and at least two second oil cavities 54, the first oil cavity 53 is used for moving the filling valve 8 and is communicated with the oil outlet 51 of the oil tank, and the second oil cavity 54 is communicated with the first oil cavity 53 and is used for temporarily storing oil and cooling the oil. By arranging the partition plate 52 and dividing the oil cavity into a plurality of cavities, the oil in the liquid filling oil tank 5 can enter the second oil cavity 54 from the first oil cavity 53 in the oil return process, the temperature of the oil in the second oil cavity 54 can be quickly reduced through the tank wall of the liquid filling oil tank 5 and the partition plate 52, and the oil entering the second oil cavity 54 can also be subjected to impurity precipitation in the cavity, so that the impurities in the oil can be prevented from entering the high-pressure mode locking oil cylinder 12 to influence the operation of the high-pressure mode locking oil cylinder 12.
Further, oil holes are formed in the cavity wall between two adjacent second oil chambers 54 and the cavity wall between the second oil chamber 54 and the first oil chamber 53, and the oil holes are spaced from the bottom wall of the liquid filling oil tank 5. The oil hole can be arranged to meet the requirement that oil moves in each oil cavity, so that a plurality of oil holes can be formed in order to quickly realize oil inlet and oil return, and the size can be larger as required. For example, two oil holes are formed in four walls of the first oil chamber 53, one oil hole is formed in a wall of the second oil chamber 54, which is not connected with the first oil chamber 53, and the diameter of the oil hole is slightly equal to half of the height of the partition plate 52.
In one embodiment of the present invention, four partition plates 52 are disposed in the oil chamber of the liquid-filled oil tank 5 in a crisscross manner, and the four partition plates 52 divide the oil chamber into one first oil chamber 53 located at the center of the liquid-filled oil tank 5 and eight second oil chambers 54 disposed along the peripheral portion of the first oil chamber 53.
Further, the liquid filling oil tank 5 includes a bottom plate 55 and an upper cover 56 which are arranged at intervals from bottom to top along the vertical direction, an annular side plate 57 is arranged between the bottom plate 55 and the upper cover 56, an oil cavity is formed among the upper cover 56, the bottom plate 55 and the side plate 57, the upper cover 56 is detachably fixed on one side of the side plate 57 far away from the bottom plate 55 through screws, the bottom plate 55 is fixedly connected with the side plate 57, and at least one ring of sealing ring for sealing a gap between the upper cover 56 and the side plate 57 is arranged between the upper cover 56 and the side plate 57.
Preferably, the upper cover 56 is detachably fixed to the side plate 67 by a screw, and the sealing ring is provided with a through hole for the screw to pass through.
In another embodiment of the present invention, the end face 122 of the mold locking oil inlet 121 is provided with a threaded hole, the bottom plate 55 of the liquid filling oil tank 5 is provided with a first through hole matched with the threaded hole and communicated with the first oil cavity 53, and a locking screw is screwed in the threaded hole through the first through hole to connect the high-pressure mold locking oil cylinder 12 and the liquid filling oil tank 5; at least two brackets 9 are arranged around the periphery of the high-pressure mold locking cylinder 12, one end of each bracket 9 is fixedly connected with the high-pressure mold locking cylinder 12, and the other end of each bracket is detachably connected with the bottom plate 55 through screws.
By arranging the bracket 9, the connection stability between the rear mold plate 1 and the liquid filling oil tank 5 can be enhanced, the bearing pressure of the locking screw between the mold locking oil inlet 121 and the bottom plate 55 can be reduced, and the locking screw can be ensured not to fail.
In this embodiment, four brackets 9 are provided in a ring shape on the peripheral portion of the high-pressure mold locking cylinder 12. The four brackets 9 can uniformly disperse the gravity of the rear template 1 on the bottom plate 55 of the liquid filling oil tank 5, so that stable connection is ensured.
In order to reduce noise of the high-pressure mold locking cylinder 12 during use, a cushion pad 10 is disposed between the bracket 9 and the bottom plate 55.
In order to increase the tightness between the mold locking oil inlet and the oil outlet 51 of the oil tank on the bottom plate 55, the sealing mechanism at least comprises an annular sealing ring which is annularly arranged on the end face 122 of the mold locking oil inlet 121, and a second through hole is formed on the annular sealing ring corresponding to the threaded hole.
Further the rear die plate 1 comprises a rear die plate body 11 for connecting with the pull rod 4 and fixing the cylinder body of the movable air cylinder 6, and the cylinder body of the high-pressure die locking cylinder 12 is cast in the rear die plate body 11. By casting the high-pressure mold locking cylinder 12 on the rear mold plate 1, the connection strength between the high-pressure mold locking cylinder 12 and the rear mold plate can be increased, and the high-pressure mold locking cylinder 12 can be cast as large as possible, so that high-speed and stable mold locking is satisfied.
In yet another embodiment of the present invention, the hydraulic mold locking mechanism of the vertical injection molding machine includes four tie rods 4, the four tie rods 4 are distributed between the front mold plate 3 and the rear mold plate 1 in a square shape, and the four tie rods 4 are uniformly distributed in a ring shape along the axis of the piston rod of the high-pressure mold locking cylinder 12.
In this embodiment, the hydraulic mold locking mechanism of the vertical injection molding machine includes at least two moving cylinders 6, and the two moving cylinders 6 are symmetrically disposed along the axis of the piston rod of the high-pressure mold locking cylinder 12. The two symmetrically arranged movable oil cylinders 6 not only can realize quick movement, but also can realize stable movement, namely, the movable die plate 2 is more stable in the quick movement process, and the accuracy of the subsequent die assembly and locking is ensured.
The embodiment of the invention also provides a vertical injection machine, which comprises the hydraulic mould clamping mechanism of the vertical injection machine. The results of the hydraulic clamping mechanism of the vertical injection machine are not described in detail herein.
It should be noted that the above embodiments are merely preferred embodiments of the present invention and the applied technical principles, and any changes or substitutions easily conceivable to those skilled in the art within the scope of the present invention are included in the scope of the present invention.
Claims (7)
1. The back template assembly comprises a back template and is characterized in that a high-pressure mold locking oil cylinder is integrated on the back template, a liquid filling oil tank for supplying oil to the high-pressure mold locking oil cylinder is arranged above the back template along the vertical direction, a mold locking oil inlet of the high-pressure mold locking oil cylinder is arranged on one side, close to the liquid filling oil tank, of the back template, and is in sealing connection with an oil tank oil outlet of the liquid filling oil tank through a sealing mechanism, and a liquid filling valve for selectively plugging the mold locking oil inlet is arranged in the liquid filling oil tank; a liquid filling valve oil cylinder is arranged on one side, away from the rear template, of the liquid filling oil tank, and the end part of a piston rod of the liquid filling valve oil cylinder is connected with the liquid filling valve so as to drive the liquid filling valve to move along the vertical direction to selectively block the mold locking oil inlet; an oil cavity is arranged in the liquid filling oil tank, an oil outlet of the oil tank is communicated with the oil cavity, a plurality of partition boards are arranged in the oil cavity, the oil cavity is at least separated into a first oil cavity and at least two second oil cavities by the partition boards, the first oil cavity is used for the movement of the liquid filling valve and is communicated with the oil outlet of the oil tank, and the second oil cavity is communicated with the first oil cavity and is used for temporarily storing oil and cooling the oil; oil holes are formed in the cavity wall between two adjacent second oil cavities and the cavity wall between the second oil cavities and the first oil cavity, and the oil holes are formed in the bottom wall of the liquid filling oil tank at intervals.
2. The back plate assembly of claim 1, wherein four of said baffles are disposed in said oil chambers in a crisscross arrangement, said four baffles separating said oil chambers into one of said first oil chamber at a center of said liquid filled oil tank and eight second oil chambers disposed along a periphery of said first oil chamber.
3. The back template assembly according to claim 1 or 2, wherein a threaded hole is formed in the end face of the mold locking oil inlet, the liquid filling oil tank is provided with a bottom plate close to one side of the high-pressure mold locking oil cylinder, a first through hole matched with the threaded hole and communicated with the first oil cavity is formed in the bottom plate, and a locking screw penetrates through the first through hole and is screwed into the threaded hole so as to connect the high-pressure mold locking oil cylinder and the liquid filling oil tank;
the Zhou Buhuan of high-pressure mode locking hydro-cylinder is equipped with two at least brackets, the one end of bracket with high-pressure mode locking hydro-cylinder fixed connection, the other end pass through the screw with bottom plate detachably connects.
4. The back plate assembly according to claim 1 or 2, wherein the liquid-filled oil tank comprises a bottom plate and an upper cover arranged at intervals with the bottom plate, an annular side plate is arranged between the bottom plate and the upper cover, an oil cavity is formed among the upper cover, the bottom plate and the side plate, the upper cover is detachably fixed on one side, far away from the bottom plate, of the side plate through screws, the bottom plate is fixedly connected with the side plate, and at least one ring of sealing ring for sealing a gap between the bottom plate and the side plate is arranged between the upper cover and the side plate.
5. The back plate assembly according to claim 1 or 2, wherein the high-pressure mold locking cylinder Zhou Buhuan is provided with at least two brackets, one end of each bracket is fixedly connected with the high-pressure mold locking cylinder, and the other end is detachably connected with the liquid filling oil tank through a screw.
6. A hydraulic clamping mechanism of a vertical injection molding machine, comprising the rear template assembly according to any one of claims 1 to 5.
7. A vertical injection molding machine comprising the hydraulic clamping mechanism of the vertical injection molding machine of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711485320.0A CN108189349B (en) | 2017-12-30 | 2017-12-30 | Rear template assembly, hydraulic mould closing mechanism of vertical type injection machine and vertical type injection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711485320.0A CN108189349B (en) | 2017-12-30 | 2017-12-30 | Rear template assembly, hydraulic mould closing mechanism of vertical type injection machine and vertical type injection machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108189349A CN108189349A (en) | 2018-06-22 |
| CN108189349B true CN108189349B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711485320.0A Active CN108189349B (en) | 2017-12-30 | 2017-12-30 | Rear template assembly, hydraulic mould closing mechanism of vertical type injection machine and vertical type injection machine |
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| Country | Link |
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| CN (1) | CN108189349B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093944A (en) * | 2018-10-30 | 2018-12-28 | 安徽江澜智能装备有限公司 | A kind of clamping and injection molding machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29911073U1 (en) * | 1999-06-24 | 1999-09-16 | Hwa Chin Machinery Factory Co | Mold lock cylinder for injection molding machines |
| CN200998904Y (en) * | 2007-01-09 | 2008-01-02 | 宁波千普机械制造有限公司 | Full hydraulic four-cylinder vertical compression type closing mechanism of injection machine |
| CN103722730A (en) * | 2013-12-26 | 2014-04-16 | 浙江科力塑料机械有限公司 | Liquid-filled clamping mechanism of plastic injection molding machine |
| CN103821780A (en) * | 2014-03-12 | 2014-05-28 | 石河子开发区合创农机装备有限公司 | Hydraulic oil tank |
| CN207874774U (en) * | 2017-12-30 | 2018-09-18 | 广州一道注塑机械股份有限公司 | A kind of rear pattern plate component, vertical injection machine hydraulic mould-matching mechanism and vertical injection machine |
-
2017
- 2017-12-30 CN CN201711485320.0A patent/CN108189349B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29911073U1 (en) * | 1999-06-24 | 1999-09-16 | Hwa Chin Machinery Factory Co | Mold lock cylinder for injection molding machines |
| CN200998904Y (en) * | 2007-01-09 | 2008-01-02 | 宁波千普机械制造有限公司 | Full hydraulic four-cylinder vertical compression type closing mechanism of injection machine |
| CN103722730A (en) * | 2013-12-26 | 2014-04-16 | 浙江科力塑料机械有限公司 | Liquid-filled clamping mechanism of plastic injection molding machine |
| CN103821780A (en) * | 2014-03-12 | 2014-05-28 | 石河子开发区合创农机装备有限公司 | Hydraulic oil tank |
| CN207874774U (en) * | 2017-12-30 | 2018-09-18 | 广州一道注塑机械股份有限公司 | A kind of rear pattern plate component, vertical injection machine hydraulic mould-matching mechanism and vertical injection machine |
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| Publication number | Publication date |
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| CN108189349A (en) | 2018-06-22 |
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