CN217192198U - Ejection device of mold - Google Patents
Ejection device of mold Download PDFInfo
- Publication number
- CN217192198U CN217192198U CN202123449206.7U CN202123449206U CN217192198U CN 217192198 U CN217192198 U CN 217192198U CN 202123449206 U CN202123449206 U CN 202123449206U CN 217192198 U CN217192198 U CN 217192198U
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- guide channel
- guide
- ejector
- groove
- positioning
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Abstract
The utility model provides an ejecting device of mould, include: the device comprises a rack, a cushion block, a guide sleeve and a push rod mechanism, wherein the cushion block, the guide sleeve and the push rod mechanism are all arranged on the rack; cavities are formed in the rack and the cushion block, and a movable cavity is formed by the two cavities after the two cavities are communicated with each other; the uide bushing includes interconnect's first guide part and second guide part, first guide part stretches into in the activity cavity, be provided with first direction passageway in the first guide part, be provided with second direction passageway and location structure on the second guide part. The ejector device of the die of the utility model guides the ejector rod to move through the guide sleeve, thereby avoiding the friction between the ejector rod and the frame and between the ejector rod and the cushion block, avoiding damaging the frame and the cushion block which are difficult to replace, and only replacing the guide sleeve after the ejector rod wears the guide sleeve; and the structure of integral guide is stable, and the device is suitable for stable and quick production.
Description
Technical Field
The utility model relates to the technical field of mold, concretely relates to ejecting device of mould.
Background
When a part is processed by a mold, the molded part is often required to be ejected by an ejection mechanism. The existing ejection mechanism usually damages the rack due to abrasion of the ejector rod and the rack, and the rack needs to be replaced to continue part processing, but the rack is usually difficult to replace as an installation structure of the whole equipment, so that production is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome shortcoming and not enough among the prior art, provide an ejecting device of mould.
An embodiment of the utility model provides an ejecting device of mould, include: the device comprises a rack, a cushion block, a guide sleeve and a push rod mechanism, wherein the cushion block, the guide sleeve and the push rod mechanism are all arranged on the rack;
cavities are formed in the rack and the cushion block, and a movable cavity is formed by the two cavities after the two cavities are communicated with each other;
the guide sleeve comprises a first guide part and a second guide part which are mutually connected, the first guide part extends into the movable cavity, a first guide channel is arranged in the first guide part, a second guide channel and a positioning structure matched with a mold structure are arranged on the second guide part, the second guide channel is positioned in the second guide part, the positioning structure is positioned on the outer side of the second guide part, the second guide channel is communicated with the first guide channel, the inner diameter of the second guide channel is larger than that of the first guide channel, and a limiting step part is formed at the joint of the second guide channel and the first guide channel;
the ejector rod mechanism comprises a driving assembly, an ejector rod and an ejector block, the driving assembly is arranged on the rack, the ejector rod is arranged in the movable cavity, an avoiding gap is formed between the inner walls of the movable cavity, the ejector rod is in transmission connection with the driving assembly, the end portion of the ejector rod penetrates through the first guide channel and then extends into the second guide channel, the ejector block is movably arranged in the second guide channel and is connected with the end portion of the ejector rod, the ejector block is perpendicular to the shape of the cross section of the extending direction of the second guide channel and the shape of the cross section of the extending direction of the second guide channel are matched.
Compared with the prior art, the ejection device of the die guides the ejector rod to move through the guide sleeve, so that friction between the ejector rod and the frame and between the ejector rod and the cushion block is avoided, the frame and the cushion block which are difficult to replace are prevented from being damaged, and only the guide sleeve needs to be replaced after the ejector rod wears the guide sleeve; and the structure of integral guide is stable, and the device is suitable for stable and quick production.
In one embodiment, the inner wall of the second guide channel is provided with a positioning portion, the side edge of the top block is provided with a positioning groove, and the positioning portion extends into the positioning groove.
In one embodiment, the inner wall of the second guide channel is provided with a positioning groove, and the side edge of the top block is provided with a positioning part which extends into the positioning groove.
In one embodiment, an exhaust groove is formed on one side of the cushion block facing the second guide part, and the exhaust groove is communicated with the movable chamber;
the inner wall of the second guide channel is provided with an exhaust port, the exhaust port is located on one side of the limiting step, the second guide channel extends into the movable cavity partially, and the exhaust port is communicated with the exhaust groove.
In one embodiment, an exhaust groove is formed on one side of the cushion block facing the second guide part, and the exhaust groove is communicated with the movable chamber;
the inner wall of the second guide channel is provided with an exhaust port, the exhaust port is positioned on one side of the limiting step and positioned in the positioning groove, the part of the second guide channel extends into the movable cavity, and the exhaust port is communicated with the exhaust groove.
In one embodiment, an avoiding groove is arranged on the positioning part, and the avoiding groove is positioned on one side of the positioning part close to the limiting step;
the exhaust groove is communicated with the avoiding groove through the exhaust port.
In one embodiment, a lubricant reservoir is provided in the first guide passage.
In one embodiment, the lubricant reservoir is in the form of a ring, which is arranged around the ram.
In one embodiment, at least 2 lubricating oil storage grooves are arranged in the first guide passage, and the lubricating oil storage grooves are sequentially arranged along the extending direction of the first guide passage.
In one embodiment, the driving assembly comprises a cam, a connecting rod and a motor, the cam is arranged on the rack, the connecting rod is respectively in rotating connection with the cam and the ejector rod, and the motor is in transmission connection with the cam.
In order that the invention may be more clearly understood, particular embodiments of the invention will now be described with reference to the accompanying drawings.
Drawings
Fig. 1 is a cross-sectional view of an ejection device of a mold according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of an ejection device of a mold according to an embodiment of the present invention, with a portion of a frame and a drive assembly hidden;
fig. 3 is a cross-sectional view of the ejection device of the mold according to an embodiment of the present invention in an exploded state when the driving assembly and the frame are partially hidden;
fig. 4 is an exploded view of the ejection device of the mold according to an embodiment of the present invention, when the frame and the driving assembly are hidden.
Description of the reference numerals:
10. a frame; 20. cushion blocks; 21. a movable chamber; 22. an exhaust groove; 30. a guide sleeve; 31. a first guide portion; 311. a first guide channel; 312. a lubricant storage tank; 32. a second guide portion; 321. a second guide channel; 322. a limiting step part; 323. positioning a groove; 324. an exhaust port; 33. a positioning structure; 41. a drive assembly; 411. a cam; 412. a connecting rod; 413. a motor; 42. a top rod; 43. a top block; 431. a positioning part; 432. avoiding the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1, which is a cross-sectional view of an ejection apparatus of a mold according to an embodiment of the present invention, the ejection apparatus of the mold includes: the device comprises a rack 10, a cushion block 20, a guide sleeve 30 and an ejector rod mechanism, wherein the cushion block 20, the guide sleeve 30 and the ejector rod mechanism are all arranged on the rack 10.
Referring to fig. 2 and 3, fig. 2 is a sectional view of an ejection device of a mold according to an embodiment of the present invention when hiding a portion of a frame and a driving assembly, fig. 3 is a sectional view of an ejection device of a mold according to an embodiment of the present invention when hiding a portion of a frame and a driving assembly in an explosion state, cavities are disposed in both the frame 10 and the cushion block 20, and after the two cavities are communicated with each other, a movable chamber 21 is formed together; the guide sleeve 30 comprises a first guide portion 31 and a second guide portion 32 which are connected with each other, the first guide portion 31 extends into the movable cavity 21, a first guide passage 311 is arranged in the first guide portion 31, a second guide passage 321 and a positioning structure 33 matched with a mold structure are arranged on the second guide portion 32, the second guide passage 321 is located in the second guide portion 32, the positioning structure 33 is located on the outer side of the second guide portion 32, the second guide passage 321 is communicated with the first guide passage 311, the inner diameter of the second guide passage 321 is larger than that of the first guide passage 311, and a limiting step portion 322 is formed at the joint of the second guide passage 321 and the first guide passage 311. The ejector rod mechanism comprises a driving assembly 41, an ejector rod 42 and an ejector block 43, wherein the driving assembly 41 is arranged on the rack 10, the ejector rod 42 is arranged in the movable cavity, an avoiding gap is formed between the inner walls of the movable cavity 21, the ejector rod is in transmission connection with the driving assembly 41, the end part of the ejector rod penetrates through the first guide channel 311 and then extends into the second guide channel 321, the ejector block 43 is movably arranged in the second guide channel 321 and is connected with the end part of the ejector rod 42, and the shape of the cross section of the ejector block 43, which is perpendicular to the extending direction of the second guide channel 321, is matched with the shape of the cross section of the second guide channel 321, which is perpendicular to the extending direction of the second guide channel 321. The driving assembly 41 drives the top rod 42 to move under the guidance of the first guide channel 311, and an avoidance gap exists between the top rod and the inner wall of the movable chamber 21, so that the frame 10 and the cushion block 20 are prevented from being abraded. The ejector rod 42 moves back and forth in the movable cavity and the first guide channel 311, so as to drive the ejector block 43 to move in the second guide channel 321, and eject the molded part, wherein the ejector block 43 can partially extend out of the second guide channel 321 according to the requirement of an actual mold. The top rod 42 is fixedly connected with the top block 43, and in the second guide channel 321, the limit step part 322 can limit the top block 43 from moving into the first guide channel 311, so that the moving range of the top block 43 and the top rod 42 is limited.
In order to avoid the rotational deviation of the cushion block 20 caused by the torque and improve the stability of the movement of the cushion block 20, in some alternative embodiments, the inner wall of the second guide channel 321 is provided with a positioning portion 431, the side edge of the top block 43 is provided with a positioning groove 323, and the positioning portion 431 extends into the positioning groove 323. Alternatively, in some other alternative embodiments, a positioning groove 323 may be disposed on an inner wall of the second guide channel 321, and a positioning portion 431 is disposed on a side of the top block 43, where the positioning portion 431 extends into the positioning groove 323. In this embodiment, a positioning groove 323 is formed in an inner wall of the second guide passage 321, and a positioning portion 431 is formed at a side of the top block 43.
Please refer to fig. 4, which is an explosion diagram of the ejector device of the mold according to an embodiment of the present invention when hiding the rack and the driving assembly, in order to reduce the shaking, the ejector rod 42 is tightly fitted to the first guiding channel 311, and the ejector block 43 is tightly fitted to the second guiding channel 321, however, when the ejector block 43 moves towards the limiting step 322, the air pressure in the closed cavity formed between the inner wall of the second guiding channel 321, the ejector block 43 and the limiting step 322 may increase due to the movement of the ejector block 43, which affects the movement of the ejector block 43, in some optional embodiments, an exhaust groove 22 is disposed on one side of the cushion block 20 facing the second guiding portion 32, and the exhaust groove 22 is communicated with the movable chamber 21; the inner wall of the second guide passage 321 is provided with an air outlet 324, the air outlet 324 is located at one side of the limit step and extends to the air outlet 324, the second guide passage 321 partially extends into the movable chamber 21, and the air outlet 324 is communicated with the air outlet groove 22. In the present embodiment, the air outlet 324 is located in the positioning groove 323. After the guide sleeve 3030 is set, the second guide portion 32 shields only a part of the exhaust groove 22, and the exhaust groove 22 extends to the outside of the second guide portion 32, thereby preventing the exhaust groove 22 from being closed by the second guide portion 32.
In some optional embodiments, an avoiding groove 432 is provided on the positioning portion 431, and the avoiding groove 432 is located on one side of the positioning portion 431 close to the limiting step; the exhaust groove 22 communicates with the escape groove 432 through the exhaust port 324. The escape groove 432 can prevent the top block 43 and the positioning portion 431 from closing the exhaust port 324 after approaching the limit step.
In order to reduce friction, in some alternative embodiments, a lubricant storage tank 312 is disposed in the first guide passage 311, and lubricant or other lubricant may be disposed in the lubricant storage tank 312.
To facilitate adequate contact of the lubricant with the plunger 42, in some alternative embodiments, the lubricant reservoir 312 is in the form of a ring disposed around the plunger 42.
In order to store more lubricant, in some alternative embodiments, at least 2 lubricant storage grooves 312 are disposed in the first guide channel 311, and the lubricant storage grooves 312 are sequentially arranged along the extending direction of the first guide channel 311.
In some optional embodiments, the driving assembly 41 includes a cam 411, a link 412 and a motor 413, the cam 411 is disposed on the frame 10, the link 412 is respectively connected to the cam 411 and the rod 42 through a rotating shaft, the motor 413 is in transmission with the cam 411, and the rotation of the cam 411 drives the link 412 to move back and forth, so as to drive the rod 42 to move back and forth. Of course, the structure of the driving assembly 41 is not limited thereto, and those skilled in the art can select other suitable structures according to the teachings of the present invention, for example, the driving assembly 41 is a cylinder, and a cylinder shaft of the cylinder is in transmission connection with the top rod 42.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An ejection apparatus of a mold, comprising: the device comprises a rack, a cushion block, a guide sleeve and a push rod mechanism, wherein the cushion block, the guide sleeve and the push rod mechanism are all arranged on the rack;
cavities are formed in the rack and the cushion block, and a movable chamber is formed by the two cavities after the two cavities are communicated with each other;
the guide sleeve comprises a first guide part and a second guide part which are mutually connected, the first guide part extends into the movable cavity, a first guide channel is arranged in the first guide part, a second guide channel and a positioning structure matched with a mold structure are arranged on the second guide part, the second guide channel is positioned in the second guide part, the positioning structure is positioned on the outer side of the second guide part, the second guide channel is communicated with the first guide channel, the inner diameter of the second guide channel is larger than that of the first guide channel, and a limiting step part is formed at the joint of the second guide channel and the first guide channel;
the ejector rod mechanism comprises a driving assembly, an ejector rod and an ejector block, the driving assembly is arranged on the rack, the ejector rod is arranged in the movable cavity, an avoiding gap is formed between the inner walls of the movable cavity, the ejector rod is in transmission connection with the driving assembly, the end portion of the ejector rod penetrates through the first guide channel and then extends into the second guide channel, the ejector block is movably arranged in the second guide channel and is connected with the end portion of the ejector rod, the ejector block is perpendicular to the shape of the cross section of the extending direction of the second guide channel and the shape of the cross section of the extending direction of the second guide channel are matched.
2. The mold ejection device according to claim 1, wherein: the inner wall of the second guide channel is provided with a positioning portion, the side edge of the ejector block is provided with a positioning groove, and the positioning portion extends into the positioning groove.
3. The mold ejection device according to claim 1, wherein: the inner wall of the second guide channel is provided with a positioning groove, the side edge of the ejector block is provided with a positioning portion, and the positioning portion extends into the positioning groove.
4. The ejector device for die set according to claim 1, wherein: an exhaust groove is formed in one side, facing the second guide part, of the cushion block and communicated with the movable chamber;
the inner wall of the second guide channel is provided with an exhaust port, the exhaust port is located on one side of the limiting step, the second guide channel extends into the movable cavity, and the exhaust port is communicated with the exhaust groove.
5. The ejector apparatus for a mold according to claim 3, wherein: an exhaust groove is formed in one side, facing the second guide part, of the cushion block and communicated with the movable chamber;
the inner wall of the second guide channel is provided with an exhaust port, the exhaust port is located on one side of the limiting step and located in the positioning groove, the second guide channel extends into the movable cavity partially, and the exhaust port is communicated with the exhaust groove.
6. The ejector apparatus for a mold according to claim 5, wherein: an avoiding groove is formed in the positioning part and is positioned on one side, close to the limiting step, of the positioning part;
the exhaust groove is communicated with the avoiding groove through the exhaust port.
7. An ejection apparatus of a mold according to any one of claims 1 to 6, wherein: and a lubricating oil storage groove is arranged in the first guide channel.
8. The ejector apparatus for a mold according to claim 7, wherein: the lubricating oil storage groove is annular and is arranged around the ejector rod.
9. The ejector apparatus for a mold according to claim 7, wherein: at least 2 lubricating oil storage grooves are arranged in the first guide channel, and the lubricating oil storage grooves are sequentially arranged along the extending direction of the first guide channel.
10. An ejection apparatus of a mold according to any one of claims 1 to 6, wherein: the driving assembly comprises a cam, a connecting rod and a motor, the cam is arranged on the rack, the connecting rod is respectively connected with the cam and the ejector rod in a rotating mode, and the motor is connected with the cam in a transmission mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123449206.7U CN217192198U (en) | 2021-12-31 | 2021-12-31 | Ejection device of mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123449206.7U CN217192198U (en) | 2021-12-31 | 2021-12-31 | Ejection device of mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217192198U true CN217192198U (en) | 2022-08-16 |
Family
ID=82789020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123449206.7U Active CN217192198U (en) | 2021-12-31 | 2021-12-31 | Ejection device of mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217192198U (en) |
-
2021
- 2021-12-31 CN CN202123449206.7U patent/CN217192198U/en active Active
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