CN212888483U - Quick thimble disassembly and assembly mechanism - Google Patents
Quick thimble disassembly and assembly mechanism Download PDFInfo
- Publication number
- CN212888483U CN212888483U CN202021414018.3U CN202021414018U CN212888483U CN 212888483 U CN212888483 U CN 212888483U CN 202021414018 U CN202021414018 U CN 202021414018U CN 212888483 U CN212888483 U CN 212888483U
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- hollow cylinder
- ball
- concave part
- thimble
- bushing
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Abstract
The utility model discloses a thimble quick assembly disassembly mechanism, including thimble, ball bush and bush, bush one end axial inwards extends has the concave part, is equipped with a plurality of dodge positions in the upside of concave part, is connected with the horizontal torus of concave part between the upside of concave part and the downside of concave part, and the horizontal torus of concave part upwards is connected with the spring; the ball bush includes first hollow cylinder and second hollow cylinder, and second hollow cylinder side is equipped with a plurality of through holes, has put a ball respectively in each through hole, and each ball is on same level, the spring is connected with second hollow cylinder's bottom surface ring, and first hollow cylinder and second hollow cylinder are connected, and the thimble passes ball bush's first hollow cylinder and second hollow cylinder directly to the bottom surface of concave part, and the thimble contacts with the surface of each ball. The utility model discloses can realize the quick assembly disassembly of thimble, reduce down time, enlarge production efficiency, it is very convenient.
Description
Technical Field
The utility model relates to a thimble quick assembly disassembly mechanism belongs to engineering machine tool technical field.
Background
If the problem of thimble breakage occurs in the mold production process, then for the thimble mechanism in the prior art, the whole male mold part needs to be detached from the injection molding machine, and then the thimble needs to be repaired and replaced, thereby undoubtedly greatly increasing the downtime, reducing the production efficiency and being very inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a thimble quick assembly disassembly mechanism can demolish cracked thimble fast and repair and trade, can directly pack into the mould from the front with the thimble that is traded in addition, need not to follow the injection molding machine and pulls down the mould to reduce down time, enlarge production efficiency, it is very convenient.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
the utility model provides a thimble quick assembly disassembly mechanism, including thimble, ball bush and bush, bush one end axial inwards extends has the concave part, the section view of concave part becomes the shape of opening inverted-convex, the upside of concave part is equipped with a plurality of in the face of dodging, and each dodges the position on same level, be connected with the horizontal torus of concave part between the upside of concave part and the downside of concave part, the horizontal torus of concave part upwards is connected with the spring;
the ball bush comprises a first hollow cylinder and a second hollow cylinder, the shape and size of a bottom surface ring of the first hollow cylinder are the same as the end surface of one end part of the bush, the side surface of the second hollow cylinder is provided with a plurality of through holes, a ball is respectively arranged in each through hole, each ball is positioned on the same horizontal height, the total number of the balls is the same as the total number of avoidance positions, the side surface of the second hollow cylinder is attached to the upper side surface of the concave part, the shape and size of the bottom surface ring of the second hollow cylinder are the same as the horizontal ring surface of the concave part, the spring is connected with the bottom surface ring of the second hollow cylinder, the first hollow cylinder is connected with the second hollow cylinder, the axial line of the bush, the axial line of the first hollow cylinder, the axial line of the second hollow cylinder and the axial line of the thimble are the same straight line, the thimble passes through the first hollow cylinder of the ball bush and the bottom surface of the second hollow cylinder directly abutting against the, the thimble is contacted with the surface of each ball;
when the bushing is pushed upwards and the thimble is in an ejecting state, the spring is compressed, the end face of one end of the bushing is in fit connection with the bottom surface ring of the first hollow cylinder, and each ball is extruded to be arranged at each avoidance position corresponding to each ball; when the upward thrust on the bushing disappears, the ejector pin is in a non-ejection state, the compressed spring is reset, the end face of one end of the bushing is separated downwards from the bottom surface circular ring of the first hollow cylinder, and therefore the balls are clamped between the upper portions of the avoidance positions corresponding to the balls and the ejector pin.
Further, still include the thimble board, go up the thimble board and be equipped with the scarce groove that agrees with mutually with the bush surface, the bush with lack the groove block and be connected.
Further, still include down the thimble board, go up the thimble board and be connected with lower thimble board, the bottom surface and the lower thimble board laminating of concave part are connected.
Further, the device also comprises a jacking rod, and the lower jacking needle plate is downwards connected with the jacking rod.
Furthermore, the ejector pin structure also comprises a B plate, and the ejector pin part which is not contacted with the ball bushing penetrates out of the B plate.
Furthermore, the device also comprises a lower fixing plate, and the upper ejector plate and the lower ejector plate are both fixed by the lower fixing plate.
Compared with the prior art, the utility model discloses the beneficial effect who reaches includes at least:
when the bushing is pushed upwards and the ejector pin is in an ejection state, the spring is compressed, and each ball is extruded to be arranged at each avoidance position corresponding to each ball, so that the ejector pin is not fixed by each ball, the broken ejector pin can be conveniently and quickly dismounted from the front of the mold and repaired, and the repaired ejector pin can be directly mounted into the mold from the front without dismounting the mold from the injection molding machine;
when the upward thrust on the bushing disappears and the ejector pin is in a non-ejection state, the compressed spring is reset, and each ball is clamped between the upper part of each avoidance position corresponding to each ball and the ejector pin, so that the repaired ejector pin is fixed by each ball;
to sum up, the utility model discloses can reduce down time, enlarge production efficiency, it is very convenient.
Drawings
Fig. 1 is a schematic sectional view of a thimble quick-mounting and-dismounting mechanism provided in an embodiment of the present invention;
FIG. 2 is a schematic sectional view of a portion of the ejector pin quick-detaching mechanism with the ejector pin in an ejected state;
FIG. 3 is a schematic sectional view of a portion of the ejector pin quick-detaching mechanism with the ejector pin in an unextruded state;
in the figure: 1. a thimble; 2. a first hollow cylinder; 3. a spring; 4. a bushing; 5. a second hollow cylinder.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that, in the description of the present invention, the terms "upper" and "lower" indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and the terms "inner" and "outer" respectively refer to the directions toward or away from the geometric center of a specific component, which are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, an ejector pin quick dismounting mechanism provided in the embodiment of the present invention includes an ejector pin 1, a ball bushing and a bushing 4, wherein a concave portion extends axially inward from an end of the bushing 4, a cross-sectional view of the concave portion is in an inverted open-top shape, a plurality of avoidance positions are provided inside an upper side surface of the concave portion, and each avoidance position is located at the same horizontal height, a horizontal annular surface of the concave portion is connected between the upper side surface of the concave portion and a lower side surface of the concave portion, and a spring 3 is connected upwards to the horizontal annular surface of the concave portion;
the ball bush comprises a first hollow cylinder 2 and a second hollow cylinder 5, the shape and size of a bottom surface ring of the first hollow cylinder 2 are the same as the end surface of one end part of the bush 4, the side surface of the second hollow cylinder 5 is provided with a plurality of through holes, a ball is arranged in each through hole, each ball is arranged on the same horizontal height, the total number of the balls is the same as the total number of avoidance positions, the side surface of the second hollow cylinder 5 is attached to the upper side surface of the concave part, the shape and size of the bottom surface ring of the second hollow cylinder 5 are the same as the horizontal ring surface of the concave part, the spring 3 is connected with the bottom surface ring of the second hollow cylinder 5, the first hollow cylinder 2 is connected with the second hollow cylinder 5, the axial line of the bush 4, the axial line of the first hollow cylinder 2, the axial line of the second hollow cylinder 5 and the axial line of the thimble 1 are the same straight line, the thimble 1 passes through the first hollow cylinder 2 and the second hollow cylinder 5 of the ball bush and directly abuts against the bottom surface of the, the thimble 1 is contacted with the surface of each ball;
the mechanism further comprises an upper ejector plate, the upper ejector plate is provided with a notch matched with the outer surface of the bushing, and the bushing is connected with the notch in a clamping mode.
The mechanism further comprises a lower ejector plate, the upper ejector plate is connected with the lower ejector plate, and the bottom surface of the concave portion is attached to the lower ejector plate.
The mechanism further comprises a jacking rod, and the lower jacking needle plate is connected with the jacking rod downwards.
The mechanism also comprises a B plate, and the thimble part which is not contacted with the ball bush penetrates out of the B plate.
The mechanism further comprises a lower fixing plate, and the upper ejector plate and the lower ejector plate are fixed by the lower fixing plate.
The bush is subjected to upward thrust of the ejector rod, as shown in fig. 2, when the ejector pin is in an ejection state, the spring is compressed, the end face of one end of the bush is in fit connection with the bottom surface ring of the first hollow cylinder, and each ball is extruded to be arranged at each avoidance position corresponding to each ball, so that the ejector pin is not fixed by each ball, the broken ejector pin can be quickly detached from the front surface of the mold and repaired and replaced, and the repaired ejector pin can be directly installed into the mold from the front surface without detaching the mold from the injection molding machine;
when the upward thrust of the ejector rod disappears, as shown in fig. 3, when the ejector pin is in a non-ejection state, the compressed spring is reset, the end face of one end of the bushing is separated downwards from the bottom surface ring of the first hollow cylinder, and each ball is clamped between the upper part of each avoidance position corresponding to each ball and the ejector pin, so that the repaired ejector pin is fixed by each ball;
to sum up, the embodiment of the utility model provides a can reduce down time, enlarge production efficiency, it is very convenient.
The embodiment of the utility model provides a thimble quick assembly disassembly mechanism not only is applicable to the cracked maintenance of thimble and trades, still is applicable to the cracked maintenance of department's section of thick bamboo and trades.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. A thimble quick disassembly and assembly mechanism is characterized by comprising a thimble, a ball bushing and a bushing, wherein one end of the bushing axially extends inwards to form a concave part, the cross-sectional view of the concave part is in an open inverted-convex shape, a plurality of avoidance positions are arranged in the upper side surface of the concave part and are positioned at the same horizontal height, a horizontal annular surface of the concave part is connected between the upper side surface of the concave part and the lower side surface of the concave part, and a spring is upwards connected with the horizontal annular surface of the concave part;
the ball bush comprises a first hollow cylinder and a second hollow cylinder, the shape and size of a bottom surface ring of the first hollow cylinder are the same as the end surface of one end part of the bush, the side surface of the second hollow cylinder is provided with a plurality of through holes, a ball is respectively arranged in each through hole, each ball is positioned on the same horizontal height, the total number of the balls is the same as the total number of avoidance positions, the side surface of the second hollow cylinder is attached to the upper side surface of the concave part, the shape and size of the bottom surface ring of the second hollow cylinder are the same as the horizontal ring surface of the concave part, the spring is connected with the bottom surface ring of the second hollow cylinder, the first hollow cylinder is connected with the second hollow cylinder, the axial line of the bush, the axial line of the first hollow cylinder, the axial line of the second hollow cylinder and the axial line of the thimble are the same straight line, the thimble penetrates through the first hollow cylinder of the ball bush and the bottom surface of the second hollow cylinder direct-against, the thimble is contacted with the surface of each ball;
when the bushing is pushed upwards and the thimble is in an ejecting state, the spring is compressed, the end face of one end of the bushing is in fit connection with the bottom surface ring of the first hollow cylinder, and each ball is extruded to be arranged at each avoidance position corresponding to each ball; when the upward thrust on the bushing disappears, the ejector pin is in a non-ejection state, the compressed spring is reset, the end face of one end of the bushing is separated downwards from the bottom surface circular ring of the first hollow cylinder, and therefore the balls are clamped between the upper portions of the avoidance positions corresponding to the balls and the ejector pin.
2. The mechanism for quickly assembling and disassembling the ejector pins according to claim 1, further comprising an upper ejector plate provided with a slot engaged with an outer surface of the bushing, wherein the bushing is engaged with the slot.
3. The mechanism of claim 2, further comprising a lower ejector plate, wherein the upper ejector plate is connected with the lower ejector plate, and the bottom surface of the concave portion is attached to the lower ejector plate.
4. The mechanism for quickly disassembling and assembling ejector pins according to claim 3, further comprising an ejector rod, wherein the lower ejector plate is connected with the ejector rod downwards.
5. The ejector pin quick-dismounting mechanism according to claim 1, further comprising a B plate, and the ejector pin portion not in contact with the ball bushing is protruded from the B plate.
6. The mechanism of claim 3, further comprising a lower fixing plate, wherein the upper ejector plate and the lower ejector plate are fixed by the lower fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021414018.3U CN212888483U (en) | 2020-07-17 | 2020-07-17 | Quick thimble disassembly and assembly mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021414018.3U CN212888483U (en) | 2020-07-17 | 2020-07-17 | Quick thimble disassembly and assembly mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212888483U true CN212888483U (en) | 2021-04-06 |
Family
ID=75288647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021414018.3U Active CN212888483U (en) | 2020-07-17 | 2020-07-17 | Quick thimble disassembly and assembly mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212888483U (en) |
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2020
- 2020-07-17 CN CN202021414018.3U patent/CN212888483U/en active Active
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