CN209738225U - Clamping mechanism of injection molding machine - Google Patents
Clamping mechanism of injection molding machine Download PDFInfo
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- CN209738225U CN209738225U CN201920318438.2U CN201920318438U CN209738225U CN 209738225 U CN209738225 U CN 209738225U CN 201920318438 U CN201920318438 U CN 201920318438U CN 209738225 U CN209738225 U CN 209738225U
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- injection molding
- molding machine
- linear guide
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Abstract
The utility model discloses a clamping mechanism of injection molding machine, include from arranging in proper order backward and its center lies in same the epaxial base of central axis, thrust bearing, movable mould board and fixed die plate, the fixed guide arm that is provided with on the base, thrust bearing and movable mould board cover are established on the guide arm, and fixed die plate fixed connection is at the tip of guide arm, and characteristics are that movable mould board's below is provided with the linear guide mechanism who is used for providing the location benchmark for movable mould board's back-and-forth movement, and linear guide mechanism sets up in the frame of injection molding machine. The advantage is through setting up the linear guide mechanism in the movable mould board below for the back-and-forth movement of movable mould board provides the location basis, simple structure, and this linear guide mechanism sets up in the frame of injection molding machine, therefore this location basis is just by the precision decision of the frame after the processing, compares with traditional structure, has effectively improved positioning accuracy for the location is more accurate.
Description
Technical Field
The utility model relates to an injection molding machine especially relates to a clamping mechanism of injection molding machine.
background
An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding device for molding thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold. In the injection molding process of the injection molding machine, the mold may be opened due to the high pressure when the plastic is taken into the mold for molding, so the injection molding machine is provided with a mold locking mechanism.
The chinese patent No. 201110250342.5 discloses a clamping mechanism of a plastic injection molding machine, which comprises a base, a thrust seat, a movable template and a fixed template, wherein the base, the thrust seat, the movable template and the fixed template are sequentially arranged, and the centers of the base, the thrust seat, the movable template and the fixed template are positioned on the same central axis. According to the mold locking mechanism disclosed above, the sliding positioning of the movable mold plate mainly depends on the guide rod as a positioning reference, and the guide rod is used as the positioning reference because the middle part of the guide rod sags under the action of the dead weight, so that the positioning accuracy is easily reduced, and the mold locking effect is affected.
Disclosure of Invention
The utility model aims to solve the technical problem that a clamping mechanism of injection molding machine simple structure, location are accurate is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
A mold locking mechanism of an injection molding machine comprises a base, a thrust seat, a movable mold plate and a fixed mold plate which are sequentially arranged from front to back, wherein the centers of the base, the thrust seat, the movable mold plate and the fixed mold plate are positioned on the same central axis, a guide rod is fixedly arranged on the base, the thrust seat and the movable mold plate are sleeved on the guide rod, the fixed mold plate is fixedly connected to the end part of the guide rod, a linear guide rail mechanism used for providing a positioning reference for the back and forth movement of the movable mold plate is arranged below the movable mold plate, and the linear guide rail mechanism is arranged on a rack of the injection molding machine.
The linear guide rail mechanism comprises a linear guide rail horizontally arranged along the front-back moving direction of the movable template, the linear guide rail is fixedly arranged on the rack of the injection molding machine, a sliding block is arranged on the linear guide rail in a sliding manner, and the sliding block is fixedly arranged on the lower part of the movable template. The linear guide rail mechanism is simple in structure and low in cost, and through the matching of the linear guide rail and the sliding block, an accurate positioning foundation is provided for the front and back movement of the movable template, and the positioning precision is effectively ensured.
The slider include the installation department, the installation department fixed set up the lower part of movable mould board, the both sides of installation department be provided with two vertical gliding arms at interval side by side, the inboard terminal surface of gliding arm on be provided with bellied gliding portion, the both sides of linear guide be provided with gliding portion complex sliding groove, gliding portion slidable set up in corresponding position sliding groove. The slider and the linear guide rail are simple in structure, the installation part on the slider is used for being fixedly connected with the movable template, the slider can be stably installed on the linear guide rail through the cooperation of the two sliding arms and the sliding parts, and the sliding groove and the sliding parts are matched to realize the forward and backward sliding of the slider.
The linear guide rails are arranged in parallel at intervals, and each linear guide rail is provided with two sliding blocks which can slide back and forth. Four sliders of two linear guide cooperation for the slip of movable mould board is more stable, and fixes a position more accurately.
The movable template is provided with a mounting hole for the guide rod to pass through, the mounting hole is coaxial with the guide rod, and the inner diameter of the mounting hole is larger than the outer diameter of the guide rod. By the design, the movable template is in a non-contact state with the guide rod in the whole sliding process, so that the guide rod and the movable template do not need to be lubricated, and the cleanliness of a template mould area is improved.
The movable mould plate is characterized in that a connecting rod mechanism is arranged between the movable mould plate and the base, at least one oil cylinder is fixedly arranged in the thrust seat, and a piston rod of the oil cylinder is fixedly connected with the movable mould plate. The oil cylinder is used for providing thrust, and the link mechanism is used for amplifying the thrust provided by the oil cylinder, so that the mold clamping force acts on the center of the movable template, and the utilization rate of the mold clamping force is improved.
Compared with the prior art, the utility model has the advantages of: through setting up the linear guide mechanism in the movable mould board below for the back-and-forth movement of movable mould board provides the location basis, simple structure, and this linear guide mechanism sets up in the frame of injection molding machine, therefore this location basis is just by the precision decision of the frame after the processing, compares with traditional structure, has effectively improved positioning accuracy for the location is more accurate.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
Fig. 2 is a schematic structural view of the linear guide rail mechanism of the present invention;
FIG. 3 is a schematic structural view of the slider of the present invention;
Fig. 4 is a schematic view of the sectional structure of the middle movable mold plate and the guide rod of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 4, a mold clamping mechanism of an injection molding machine includes a base 1, a thrust seat 2, a movable mold plate 3, and a fixed mold plate 4, which are sequentially arranged from front to back and have centers located on the same central axis, a guide rod 5 is fixedly disposed on the base 1, the thrust seat 2 and the movable mold plate 3 are sleeved on the guide rod 5, the fixed mold plate 4 is fixedly connected to an end of the guide rod 5, a linear guide rail mechanism for providing a positioning reference for the front and back movement of the movable mold plate 3 is disposed below the movable mold plate 3, and the linear guide rail mechanism is disposed on a frame (not shown) of the injection molding machine.
in this embodiment, the linear guide mechanism includes a linear guide 6 horizontally disposed along the forward and backward moving direction of the movable platen 3, the linear guide 6 is fixedly disposed on the frame of the injection molding machine, a slider 7 is slidably disposed on the linear guide 6 in the forward and backward direction, and the slider 7 is fixedly disposed on the lower portion of the movable platen 3. The linear guide 6 mechanism is simple in structure and low in cost, and through the matching of the linear guide 6 and the sliding block 7, an accurate positioning basis is provided for the front and back movement of the movable template 3, and the positioning precision is effectively ensured.
in this embodiment, the slider 7 includes a mounting portion 71, the mounting portion 71 is fixedly disposed at the lower portion of the movable mold plate 3, two vertical sliding arms 72 are disposed at two sides of the mounting portion 71 in parallel and spaced, a raised sliding portion 73 is disposed on an inner end surface of the sliding arm 72, sliding grooves 61 matched with the sliding portions 73 are disposed at two sides of the linear guide 6, and the sliding portions 73 are slidably disposed in the corresponding sliding grooves 61. The slider 7 and the linear guide rail 6 are simple in structure, the mounting portion 71 on the slider 7 is used for being fixedly connected with the movable template 3, the slider 7 can be stably mounted on the linear guide rail through the matching of the two sliding arms 72 and the sliding portion 73, and the slider 7 can slide back and forth through the matching of the sliding groove 61 and the sliding portion 73.
In this embodiment, the linear guide rails 6 are two spaced side by side, and each linear guide rail 6 is provided with two sliding blocks 7 capable of sliding back and forth. Two linear guide 6 cooperate four sliders 7 for the slip of movable mould board 3 is more stable, and fixes a position more accurately.
In this embodiment, the movable die plate 3 is provided with a mounting hole 31 for passing the guide rod 5 therethrough, the mounting hole 31 is coaxial with the guide rod 5, and the inner diameter of the mounting hole 31 is larger than the outer diameter of the guide rod 5. Due to the design, the movable die plate 3 is in a non-contact state with the guide rod 5 in the whole sliding process, so that the guide rod 5 and the movable die plate 3 do not need to be lubricated, and the cleanliness of a die area of the die plate is improved.
in this embodiment, a link mechanism 8 is disposed between the movable platen 3 and the base 1, at least one oil cylinder (not shown) is fixedly disposed inside the thrust block 2, and a piston rod of the oil cylinder is fixedly connected with the movable platen 3. The oil cylinder is used for providing thrust, and the link mechanism 8 is used for amplifying the thrust provided by the oil cylinder, so that the mold clamping force acts on the center of the movable mold plate 3, and the utilization rate of the mold clamping force is improved.
Claims (6)
1. A mold locking mechanism of an injection molding machine comprises a base, a thrust seat, a movable mold plate and a fixed mold plate which are sequentially arranged from front to back, wherein the centers of the base, the thrust seat, the movable mold plate and the fixed mold plate are positioned on the same central axis, a guide rod is fixedly arranged on the base, the thrust seat and the movable mold plate are sleeved on the guide rod, and the fixed mold plate is fixedly connected to the end part of the guide rod.
2. The mold clamping mechanism of an injection molding machine according to claim 1, wherein said linear guide mechanism comprises a linear guide horizontally disposed along a forward and backward moving direction of said movable platen, said linear guide being fixedly disposed on a frame of said injection molding machine, said linear guide being slidably disposed with a slider back and forth, said slider being fixedly disposed on a lower portion of said movable platen.
3. The mold clamping mechanism of an injection molding machine as claimed in claim 2, wherein said slide block includes a mounting portion, said mounting portion is fixedly disposed at the lower portion of said movable mold plate, two vertical slide arms are disposed at two sides of said mounting portion in parallel at intervals, a raised slide portion is disposed on the inner end surface of said slide arm, slide grooves are disposed at two sides of said linear guide rail and are engaged with said slide portions, and said slide portions are slidably disposed in said slide grooves at corresponding positions.
4. The mold clamping mechanism of an injection molding machine according to claim 2 or 3, wherein said linear guide is provided with two spaced side by side rails, and each of said linear guide is provided with two of said slide blocks slidably back and forth.
5. The mold clamping mechanism of an injection molding machine as claimed in claim 1, wherein said movable platen is provided with mounting holes for said guide rods to pass through, said mounting holes being coaxial with said guide rods, said mounting holes having an inner diameter larger than an outer diameter of said guide rods.
6. The mold clamping mechanism of an injection molding machine according to claim 1, wherein a link mechanism is disposed between said movable platen and said base, at least one cylinder is fixedly disposed inside said thrust block, and a piston rod of said cylinder is fixedly connected to said movable platen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318438.2U CN209738225U (en) | 2019-03-13 | 2019-03-13 | Clamping mechanism of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318438.2U CN209738225U (en) | 2019-03-13 | 2019-03-13 | Clamping mechanism of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
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| CN209738225U true CN209738225U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920318438.2U Active CN209738225U (en) | 2019-03-13 | 2019-03-13 | Clamping mechanism of injection molding machine |
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| CN (1) | CN209738225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822845A (en) * | 2019-03-13 | 2019-05-31 | 宁波双马机械工业有限公司 | A kind of clamping mechanism of injection molding machine |
-
2019
- 2019-03-13 CN CN201920318438.2U patent/CN209738225U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822845A (en) * | 2019-03-13 | 2019-05-31 | 宁波双马机械工业有限公司 | A kind of clamping mechanism of injection molding machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315821 Jiangnan export processing trade zone, Beilun District, Ningbo City, Zhejiang Province Patentee after: Bole Intelligent Equipment Co.,Ltd. Address before: 315821 Jiangnan export processing trade zone, Beilun District, Ningbo City, Zhejiang Province Patentee before: NINGBO SHUANGMA MACHINERY INDUSTRY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 337000 Qingyuan Industrial Park, Anyuan Industrial Park, Anyuan District, Pingxiang City, Jiangxi Province Patentee after: Bole Intelligent Equipment Co.,Ltd. Address before: 315821 Jiangnan export processing trade zone, Beilun District, Ningbo City, Zhejiang Province Patentee before: Bole Intelligent Equipment Co.,Ltd. |