CN218844750U - Column frame sealing structure of direct-pressure injection molding machine - Google Patents
Column frame sealing structure of direct-pressure injection molding machine Download PDFInfo
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- CN218844750U CN218844750U CN202122373590.0U CN202122373590U CN218844750U CN 218844750 U CN218844750 U CN 218844750U CN 202122373590 U CN202122373590 U CN 202122373590U CN 218844750 U CN218844750 U CN 218844750U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a column frame seal structure of direct compression formula injection molding machine, include: the tail seat is internally provided with a first oil filling channel, a first cavity, a connecting channel and a second cavity which are communicated, an oil full valve and a spring are arranged in the first cavity, a first annular groove is formed in the intersection position of the first side wall and the second side wall, an annular bulge at the left end of the oil full valve is in sliding contact with the first side wall, the middle part of the annular bulge is in sliding contact with the second side wall, an oil filling cavity is formed by the first side wall, the second side wall and the first annular groove, the left end of the tail seat is provided with the second oil filling channel and the third oil filling channel, an oil cylinder shaft core is matched in the second cavity, the oil cylinder shaft core is connected with a driving device, the right end of the oil full valve is provided with a first conical surface, the left end of the connecting channel is provided with a second conical surface, and the first conical surface is abutted to the second conical surface; by adopting the technical scheme, the sealing effect between the full-oil valve and the tailstock can be improved, and the sealing aging can be prolonged; in addition, the complexity of the mechanical structure can be correspondingly reduced, the maintenance is convenient, and the cost is reduced.
Description
Technical Field
The utility model relates to a relevant technical field of injection molding machine, in particular to column frame seal structure of vertical compression formula injection molding machine.
Background
With the development of domestic mechanical manufacturing and the improvement of the requirements on the benefit and quality of products, manufacturers pay more and more attention to the production benefit of equipment and put forward higher requirements on the equipment. The full oil valve right-hand member in the tailstock of current direct compression type injection molding machine adopts planar structure, the face that contacts with full oil valve right-hand member in the tailstock is planar structure too, adopt planar seal, because sealed face is great, after using and striking for a long time, face that contacts with full oil valve right-hand member in full oil valve right-hand member side and the tailstock can take place to warp, cause and easily produce the clearance between the face of touching, after equipment shut down, hydraulic oil runs off from the clearance in the tailstock, several former moulds when leading to direct compression type injection molding machine start production can not reach enough clamping force or cycle time overlength, thereby the productivity effect of equipment has been restricted.
SUMMERY OF THE UTILITY MODEL
In order to overcome the prior technical defect, the utility model aims to provide a column frame seal structure of direct compression type injection molding machine is in order to solve above-mentioned technical problem.
The utility model provides a technical scheme that technical problem adopted as follows:
according to the utility model discloses an aspect designs a column frame seal structure of direct compression formula injection molding machine, include: the oil filling device comprises a tailstock, a first oil filling channel, a first cavity, a connecting channel and a second cavity which are communicated are arranged in the tailstock from left to right, a full oil valve and a spring with one end abutted against the tailstock and the other end abutted against the full oil valve are arranged in the first cavity, the diameter of a first side wall of the left end of the first cavity is larger than that of a second side wall of the middle part, a first annular groove is arranged at the intersection position of the first side wall and the second side wall, an annular bulge at the left end of the full oil valve is in sliding contact with the first side wall, the middle part of the annular bulge is in sliding contact with the second side wall, a gap is kept between the right side wall of the annular bulge and the right side wall of the first annular groove, an oil filling cavity is formed by the first side wall, the second side wall and the first annular groove, a second oil filling channel communicated with the outer part of the tailstock is arranged at the left end of the tailstock, a third oil filling channel communicated with the right end of the first cavity and the outer part of the tailstock is in sliding fit with an oil cylinder core, the cylinder core is connected with a driving device for driving the cylinder to move left and right, a first conical surface is arranged at the full oil valve, a second conical surface is abutted against the conical surface, and a conical surface.
By adopting the technical scheme, the first conical surface is arranged at the right end of the full oil valve, the second conical surface is arranged at the left end of the connecting channel, so that the right end of the full oil valve is in butt joint with the tailstock through the first conical surface and the second conical surface to realize sealing, and after sealing, the sealing effect between the full oil valve and the tailstock can be improved and the sealing aging can be prolonged under the condition of equal pressure due to the reduction of the sealing area; in addition, because the sealing area is reduced, the sealing can be completed by using smaller pressure, the complexity of a mechanical structure can be correspondingly reduced, the maintenance is convenient, and the cost is reduced.
For better solving the technical defect, the utility model discloses still have better technical scheme:
in some embodiments, the right end of the first chamber is provided with a second annular groove, and the third oil filling channel is communicated with the second annular groove. Therefore, when the second chamber drains oil, the buffer effect can be achieved, and the oil drainage speed can be improved.
In some embodiments, an end cover is connected to the left end of the tailstock, and the first oil injection channel is arranged on the end cover.
In some embodiments, the taper of the first tapered surface is 10-45 °.
In some embodiments, the taper of the first tapered surface is 30 °.
In some embodiments, the driving device is a direct fast mode locking oil cylinder and is fixedly connected to the tailstock.
Drawings
Fig. 1 is a schematic structural view of a column frame sealing structure of a direct-pressure injection molding machine according to an embodiment of the present invention;
FIG. 2 is a first schematic sectional view of a column frame sealing structure of a direct-pressure injection molding machine;
FIG. 3 is a schematic sectional view of a column frame sealing structure of a direct-pressure injection molding machine;
reference numerals are as follows:
1. a tailstock; 11. a first oiling channel; 12. a first chamber; 121. a first side wall; 122. a second side wall; 13. a connecting channel; 14. a second chamber; 15. a third oiling channel; 151. an oil suction pipe; 16. a second annular groove; 2. an end cap; 3. a full oil valve; 4. a spring; 5. a first annular groove; 51. injecting an oil cavity; 6. an oil cylinder shaft core; 7. a first tapered surface; 8. a second tapered surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1 to 3, the utility model provides a column frame sealing structure of direct-pressure injection molding machine, including: a first oiling channel 11, a first cavity 12, a connecting channel 13 and a second cavity 14 which are communicated are arranged in the tail seat 1 from left to right. The left end of the tailstock 1 is connected with an end cover 2 through a screw, and a first oil injection channel 11 is arranged on the end cover 2. The first oil injection passage 11 is connected with a high-pressure oil supply device through a first oil supply pipe, and a first hydraulic valve is arranged on the first oil supply pipe.
The full oil valve 3 and the spring 4 are arranged in the first cavity 12, the left end of the spring 4 is abutted with the end cover 2, and the right end of the spring 4 is abutted with the full oil valve 3.
The diameter of the first side wall 121 at the left end of the first chamber 12 is larger than that of the second side wall 122 at the middle part, and a first annular groove 5 is arranged at the intersection of the first side wall 121 and the second side wall 122.
The annular protrusion at the left end of the full oil valve 3 is in sliding contact with the first side wall 121, the middle part of the full oil valve is in sliding contact with the second side wall 122, a gap is kept between the right side wall of the annular protrusion and the right side wall of the first annular groove 5, and the first side wall 121, the second side wall 122 and the first annular groove 5 form the oil filling cavity 51.
The left end of the tailstock 1 is provided with a second oiling channel for communicating the oiling cavity 51 with the outside of the tailstock 1 and a third oiling channel 15 for communicating the right end of the first cavity 12 with the outside of the tailstock 1. The second oil injection channel is connected with a high-pressure oil supply device through a second oil supply pipe, and a second hydraulic valve is arranged on the second oil supply pipe. The third oil filling passage 15 is connected with an oil suction pipe 151, and the oil suction pipe 151 is connected with an oil tank.
The second chamber 14 is internally matched with an oil cylinder shaft core 6 in a sliding way, the oil cylinder shaft core 6 is connected with a driving device for driving the oil cylinder shaft core to move left and right, and the driving device is a straight and fast mode locking oil cylinder and is fixedly connected to the tailstock 1. The right end of the tail seat 1 is connected with four guide rods, the right end of the oil cylinder shaft core 6 is connected with an oil cylinder seat, the oil cylinder seat is in sliding fit with the guide rods, and the right end of the oil cylinder seat is connected with an upper die seat or a lower die seat in sliding fit with the guide rods.
The right end of the full oil valve 3 is provided with a first conical surface 7, the taper of the first conical surface 7 is 10-45 degrees, the taper of the first conical surface 7 can be any one of 10 degrees, 20 degrees, 30 degrees, 40 degrees and 45 degrees, in the embodiment, the taper of the first conical surface 7 is preferably 30 degrees, the left end of the connecting channel 13 is provided with a second conical surface 8 with the taper consistent with that of the first conical surface 7, and the first conical surface 7 is abutted to the second conical surface 8.
The right end of the first chamber 12 is provided with a second annular groove 16, and the third oil filling passage 15 is communicated with the second annular groove 16.
The principle of the column frame sealing structure is as follows: initially, the left end of the oil cylinder shaft core 6 is in contact with the left end face of the second cavity 14, the first conical surface 7 is abutted to the second conical surface 8, during die assembly, the second hydraulic valve is opened, high-pressure hydraulic oil enters the oil injection cavity 51 through the second oil injection, the high-pressure hydraulic oil pushes the full oil valve 3 to move left, the first conical surface 7 is disengaged from the second conical surface 8, meanwhile, the driving device drives the oil cylinder shaft core 6 to move rightwards, vacuum is formed in the tailstock 1, hydraulic oil in the oil tank is forced to enter the second cavity 14 through the oil suction pipe 151, the third oil injection channel 15, the second annular groove 16, the right end of the first cavity 12 and the connecting channel 13, and when the driving device drives the oil cylinder shaft core 6 to move rightwards, the oil cylinder base pushes the upper die base or the lower die base to move rightwards and is matched with the lower die base or the upper die base. During high-pressure mode locking, the second hydraulic valve controls the oil injection cavity 51 to lose pressure, the full oil valve 3 moves rightwards under the action of the elastic force of the spring 4, the first conical surface 7 is abutted to the second conical surface 8, then the first hydraulic valve is opened, and high-pressure hydraulic oil enters the second cavity 14 after passing through the first oil injection channel 11, the internal through hole of the full oil valve 3 and the connecting channel 13, so that high-pressure mode locking is performed. The right end of the full-oil valve and the tailstock are abutted through the first conical surface and the second conical surface to realize sealing, and the sealing effect between the full-oil valve and the tailstock can be improved and the sealing aging can be prolonged under the condition of equal pressure due to the reduction of the sealing area; in addition, because the sealing area is reduced, the sealing can be completed by using smaller pressure, the complexity of a mechanical structure can be correspondingly reduced, the maintenance is convenient, and the cost is reduced.
The above description is only some embodiments of the present invention, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the inventive concept, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a column frame seal structure of direct compression formula injection molding machine which characterized in that includes: the oil filling device comprises a tailstock, a first oil filling channel, a first cavity, a connecting channel and a second cavity which are communicated are arranged in the tailstock from left to right, a full oil valve and a spring with one end abutted against the tailstock and the other end abutted against the full oil valve are arranged in the first cavity, the diameter of a first side wall of the left end of the first cavity is larger than that of a second side wall of the middle part, a first annular groove is arranged at the intersection position of the first side wall and the second side wall, an annular bulge at the left end of the full oil valve is in sliding contact with the first side wall, the middle part of the annular bulge is in sliding contact with the second side wall, a gap is kept between the right side wall of the annular bulge and the right side wall of the first annular groove, an oil filling cavity is formed by the first side wall, the second side wall and the first annular groove, a second oil filling channel communicated with the outer part of the tailstock is arranged at the left end of the tailstock, a third oil filling channel communicated with the right end of the first cavity and the outer part of the tailstock is in sliding fit with an oil cylinder core, the cylinder core is connected with a driving device for driving the cylinder to move left and right, a first conical surface is arranged at the full oil valve, a second conical surface is abutted against the conical surface, and a conical surface.
2. The column frame sealing structure of a direct-pressure injection molding machine according to claim 1, wherein a second annular groove is provided at the right end of the first chamber, and the third oil injection passage communicates with the second annular groove.
3. The column frame sealing structure of a direct-compression injection molding machine according to claim 1, wherein an end cap is connected to a left end of the tailstock, and the first oil injection passage is provided on the end cap.
4. The column holder seal structure of a direct pressure injection molding machine according to claim 1, wherein the taper of the first tapered surface is 10 to 45 °.
5. The column seal structure of a direct pressure injection molding machine according to claim 4, wherein the taper of the first tapered surface is 30 °.
6. The column frame sealing structure of a direct-pressure injection molding machine according to claim 1, wherein the driving device is a direct-fast mold-locking cylinder and is fixedly connected to the tailstock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122373590.0U CN218844750U (en) | 2021-09-28 | 2021-09-28 | Column frame sealing structure of direct-pressure injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122373590.0U CN218844750U (en) | 2021-09-28 | 2021-09-28 | Column frame sealing structure of direct-pressure injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218844750U true CN218844750U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122373590.0U Active CN218844750U (en) | 2021-09-28 | 2021-09-28 | Column frame sealing structure of direct-pressure injection molding machine |
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| Country | Link |
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| CN (1) | CN218844750U (en) |
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2021
- 2021-09-28 CN CN202122373590.0U patent/CN218844750U/en active Active
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