CN215094992U - Guiding device - Google Patents
Guiding device Download PDFInfo
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- CN215094992U CN215094992U CN202023011078.3U CN202023011078U CN215094992U CN 215094992 U CN215094992 U CN 215094992U CN 202023011078 U CN202023011078 U CN 202023011078U CN 215094992 U CN215094992 U CN 215094992U
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- guide
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- guide sleeve
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Abstract
A guide device is used for guiding a first plate and a second plate and comprises a guide pillar, a positioning guide sleeve, an elastic piece and a ball guide sleeve, wherein the guide pillar is installed on the first plate, the positioning guide sleeve is arranged in the second plate, the elastic piece is sleeved on the guide pillar, one end of the elastic piece is abutted to the guide pillar, the other end of the elastic piece is abutted to the ball guide sleeve, the inner side of the ball guide sleeve is slidably sleeved on the guide pillar, and the outer side of the ball guide sleeve is slidably sleeved in the positioning guide sleeve so as to guide the relative motion of the first plate and the second plate. In the guiding device, the ball guide sleeve is positioned between the guide pillar and the positioning guide sleeve, so that the guide pillar and the positioning guide sleeve are in point-to-point contact through balls in the ball guide sleeve and the positioning guide sleeve and the guide pillar are in sliding fit, and the guiding device has the advantages of high positioning precision and difficulty in clamping.
Description
Technical Field
The application relates to the technical field of die guiding, in particular to a guiding device.
Background
The jump medium plate is a structure commonly used by precision plastic type dies with core-pulling mechanisms, the positioning and guiding mechanism of the existing jump medium plate type dies is generally matched with a traditional guide post and guide sleeve for positioning and guiding, and the positioning and guiding mechanism has the following problems: the traditional guide post and guide sleeve fit clearance is generally between 0.05 mm and 0.10mm according to the diameter of a guide post, and the large fit clearance and low positioning precision cause unstable sizes of produced products. And traditional guide pillar guide bushing cooperation is the cooperation of face coplanar, and guide pillar guide bushing material hardness is higher, because of the high part wearing and tearing of mould temperature in long-term production easily block and strain, and mould production trouble multidimension is repaiied the frequency higher, influences production productivity.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a guiding device with high positioning accuracy and less jamming.
Embodiments of the present application provide a guide device for guiding a first plate and a second plate, the guide device comprising: a guide post mounted on the first plate; the positioning guide sleeve is arranged in the second plate; the elastic piece is sleeved on the guide pillar, and one end of the elastic piece is abutted against the guide pillar; and the other end of the elastic piece is abutted to the ball guide sleeve, the ball guide sleeve comprises balls, the inner sides of the balls on the ball guide sleeve are in contact with the outer side wall of the guide pillar, and the outer sides of the balls on the ball guide sleeve are in contact with the inner side wall of the positioning guide sleeve so as to guide the relative motion of the first plate and the second plate.
Further, in some embodiments of the present application, the ball guide sleeve includes a sleeve, a wall of the sleeve defines a plurality of mounting holes arranged in an array, and the balls are rollably mounted in the mounting holes.
Further, in some embodiments of the present application, when the first plate and the second plate move relatively, the ball is located between the guide pillar and the positioning guide sleeve, and the ball is in point contact with the guide pillar and the positioning guide sleeve.
Further, in some embodiments of the present application, the clearance between the ball and the outer wall of the guide post ranges from 0.01mm to 0.02 mm.
Further, in some embodiments of the present application, a clearance between the ball and the inner wall of the positioning guide sleeve ranges from 0.01mm to 0.02 mm.
Further, in some embodiments of the present application, a limiting portion is convexly disposed on an outer wall of the guide pillar, the limiting portion is located at one end of the guide pillar, the ball guide sleeve is sleeved at the other end of the guide pillar, and the elastic member is located between the ball guide sleeve and the limiting portion.
Further, in some embodiments of the present application, an arc surface is disposed around an end of the guide post away from the limiting portion, so as to guide the ball guide sleeve.
Further, in some embodiments of the present application, the elastic member is a spring, and two ends of the spring are respectively and fixedly connected to the guide post and the ball guide sleeve.
Further, in some embodiments of the present application, the first plate is provided with a plurality of guide pillars arranged in an array, each guide pillar is sleeved with the ball guide and the elastic member, the second plate is provided with a corresponding positioning hole, and each positioning hole is provided with the positioning guide.
Further, in some embodiments of the present application, the guide is for a mold, the first plate is an upper mold and/or a lower mold of the mold, and the second plate is a jumper plate of the mold.
In the above guiding device, an external driving device drives the first plate and the second plate to move relatively, so that the guide post on the first plate and the positioning guide sleeve on the second plate move relatively, and the ball guide sleeve is located between the guide post and the positioning guide sleeve, so that the guide post and the positioning guide sleeve are in point-to-point contact through the balls in the ball guide sleeve, and the positioning guide sleeve and the guide post are in sliding fit. Compared with the traditional mode that the guide post and the guide sleeve are matched in the same plane, the ball guide sleeve reduces the reserved gap between the guide post and the positioning guide sleeve, improves the positioning precision between the guide post and the positioning guide sleeve, and further improves the positioning precision between the first plate and the second plate. And the ball guide sleeve enables the guide column and the positioning guide sleeve to be in point-to-point contact, so that the positioning guide sleeve and the guide column are smoothly in sliding fit, and the problem that the guide column and the guide sleeve are easily clamped and pulled when surfaces of the guide column and the guide sleeve are matched in the same plane is solved.
Drawings
Fig. 1 is a schematic view illustrating a connection structure of a guide device and a first plate and a second plate according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a guide device in an embodiment of the present application.
Description of the main elements
Arc surface 12
The following detailed description will further illustrate the present application in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
The embodiment of the application provides a guiding device for leading to first board and second board, guiding device includes guide pillar, location guide pin bushing, elastic component and ball guide pin bushing, and the guide pillar is installed on the first board, and the location guide pin bushing sets up in the second board, and the elastic component cup joints in the guide pillar, and elastic component one end butt in the guide pillar, the other end butt of elastic component in the ball guide pin bushing, and the ball guide pin bushing includes the ball, the inboard contact with the lateral wall of guide pillar of the ball on the ball guide pin bushing, the ball outside on the ball guide pin bushing contacts with the inside wall of location guide pin bushing to guide the relative motion of first board and second board.
In the guide device, the external driving device drives the first plate and the second plate to move relatively, so that the guide pillar on the first plate and the positioning guide sleeve on the second plate move relatively, and the ball guide sleeve is positioned between the guide pillar and the positioning guide sleeve, so that the guide pillar and the positioning guide sleeve are in point-to-point contact through balls in the ball guide sleeve, and the positioning guide sleeve and the guide pillar are in sliding fit. Compared with the traditional guide pillar and guide sleeve surface in the same-surface matching mode, the ball guide sleeve reduces the reserved gap between the guide pillar and the positioning guide sleeve, improves the positioning precision between the guide pillar and the positioning guide sleeve, and further improves the positioning precision between the first plate and the second plate. And make point-to-point contact between guide pillar and the location guide pin bushing through the ball guide pin bushing, and then make the sliding fit between location guide pin bushing and the guide pillar smooth and easy, the problem of easy card dead strain when having alleviated traditional guide pillar guide pin bushing face and having cooperated the face.
It is understood that the first plate may be an upper mold and/or a lower mold of the mold, and the second plate may be a middle jump plate of the mold.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic view illustrating a connection structure between a guide device and a first plate and a second plate according to an embodiment of the present disclosure. The guide device 100 is used to guide the first plate 91 and the second plate 92 to improve the positioning accuracy between the first plate 91 and the second plate 92. The guide 100 includes a guide post 10, a ball guide 20, an elastic member 30, and a positioning guide 40. The guide post 10 is mounted on a first plate 91 and the positioning guide 40 is disposed in a second plate 92. The elastic member 30 is sleeved on the guide post 10, one end of the elastic member 30 abuts against the guide post 10, and the other end of the elastic member 30 abuts against the ball guide sleeve 20. The ball guide 20 includes balls 22, the inner side of the balls 22 on the ball guide 20 contacts with the outer side wall of the guide post 10, and the outer side of the balls 22 on the ball guide 20 contacts with the inner side wall of the positioning guide 40 to guide the relative movement of the first plate 91 and the second plate 92.
The elastic member 30 is used for exerting a holding force towards the positioning guide sleeve 40 on the ball guide sleeve 20 when the guide post 10 and the positioning guide sleeve 40 move relatively, so that before the guide post 10 is not inserted into the positioning guide sleeve 40, the top of the ball guide sleeve 20 is higher than the top of the guide post 10, and thus, in the guiding process, the part of the ball guide sleeve 20 higher than the guide post 10 is easily inserted into the positioning guide sleeve 40 firstly. In one embodiment, the two ends of the elastic member 30 are fixedly connected to the guide post and the ball guide sleeve, respectively, so that the elastic member 30 is also used for preventing the ball guide sleeve 20 from being separated from the guide post 10 when the guide post 10 is separated from the positioning guide sleeve 40. In one embodiment, the resilient member 30 is a spring.
The inner side of the ball guide sleeve 20 is slidably sleeved on the guide post 10, and the outer side of the ball guide sleeve 20 is slidably arranged in the positioning guide sleeve 40, so that the guide post 10 and the positioning guide sleeve 40 are in point-to-point contact through balls in the ball guide sleeve 20, and the ball guide sleeve 20 and the guide post 10 are in sliding fit.
Referring to fig. 1, in an embodiment, a plurality of guide posts 10 are arranged in an array on a first plate 91, a ball guide 20 and an elastic member 30 are sleeved on each guide post 10, a corresponding positioning hole 921 is formed on a second plate 92, and a positioning guide 40 is disposed in each positioning hole 921. By providing a plurality of guides 100, the positioning accuracy of the first plate 91 and the second plate 92 is improved.
In one embodiment, the guide 100 is used in a mold, the first plate 91 is an upper and/or lower mold of the mold, and the second plate 92 is an intermediate plate of the mold. Correspondingly, the guide post 10 is arranged on the upper die and/or the lower die, and the positioning guide sleeve 40 is arranged in the jump middle plate.
When the guide device 100 is used, the external driving device drives the first plate 91 and the second plate 92 to move relatively, so that the guide post 10 on the first plate 91 and the positioning guide sleeve 40 on the second plate 92 move relatively, the ball guide sleeve 20 is located between the guide post 10 and the positioning guide sleeve 40, so that the guide post 10 and the positioning guide sleeve 40 are in point-to-point contact through balls in the ball guide sleeve 20, and the positioning guide sleeve 40 and the guide post 10 are in sliding fit.
Compared with the traditional guide column and guide sleeve surface coplanar matching mode, the guide device 100 has the advantages that the ball guide sleeve 20 reduces the reserved gap between the guide column 10 and the positioning guide sleeve 40, improves the positioning precision between the guide column 10 and the positioning guide sleeve 40, and further improves the positioning precision between the first plate 91 and the second plate 92. Moreover, the ball guide sleeve 20 enables the guide column 10 and the positioning guide sleeve 40 to be in point-to-point contact, so that the sliding fit between the positioning guide sleeve 40 and the guide column 10 is smooth, and the problem that the guide column and the guide sleeve are easy to clamp and damage when the guide column and the guide sleeve are matched in the same plane is solved.
Some embodiments of the present application will now be described with continued reference to the accompanying drawings.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a guiding device according to an embodiment of the present application. The ball guide sleeve 20 further comprises a sleeve 21, a plurality of mounting holes 211 arranged in an array are formed in the wall of the sleeve 21, and the balls 22 are rollably mounted in the mounting holes 211.
When the first plate 91 and the second plate 92 move relatively, the guide post 10 on the first plate 91 and the positioning guide sleeve 40 on the second plate 92 move relatively, the ball 22 is located between the guide post 10 and the positioning guide sleeve 40, the ball 22 is in point contact with the guide post 10 and the positioning guide sleeve 40, and rolls under the driving of the outer side of the guide post 10 and/or the inner side of the positioning guide sleeve 40. The rolling balls 22 are arranged between the guide post 10 and the positioning guide sleeve 40 in an array manner, so that the sliding fit between the ball guide sleeve 20 and the guide post 10 is smooth.
In the use process of the ball guide sleeve 20, a fit clearance exists between the balls 22 in the ball guide sleeve 20 and the outer wall of the guide post 10 and/or the inner wall of the positioning guide sleeve 40, so that the balls 22 can smoothly roll under the driving of the outer side of the guide post 10 and/or the inner side of the positioning guide sleeve 40. In one embodiment, the clearance between the ball 22 and the outer wall of the guide post 10, i.e. the clearance between the end point of the ball 22 close to the outer wall of the guide post 10 and the outer wall of the guide post 10, is in the range of 0.01mm to 0.02 mm. Specifically, the clearance between the ball 22 and the outer wall of the guide post 10 may be 0.01mm, 0.011mm, 0.012mm, 0.013mm, 0.014mm, 0.015mm, 0.016mm, 0.017mm, 0.018mm, 0.019mm, 0.02mm, etc.
The clearance between the ball 22 and the inner wall of the positioning guide sleeve 40, namely the clearance between the end point of the ball 22 close to the inner wall of the positioning guide sleeve 40 and the inner wall of the positioning guide sleeve 40, is 0.01mm to 0.02 mm. Specifically, the clearance between the ball 22 and the inner wall of the positioning guide sleeve 40 may be 0.01mm, 0.011mm, 0.012mm, 0.013mm, 0.014mm, 0.015mm, 0.016mm, 0.017mm, 0.018mm, 0.019mm, 0.02mm, etc.
The fit clearance between the guides 100 is the sum of the two clearances, and thus the fit clearance between the guides 100 ranges from 0.02mm to 0.04 mm. Compared with the gap range of 0.05-0.10 mm set by the traditional guide post and guide sleeve, the ball guide sleeve 20 reduces the fit gap between the guide post 10 and the positioning guide sleeve 40, improves the positioning precision and simultaneously ensures that the sliding fit between the positioning guide sleeve 40 and the guide post 10 is smooth.
In the above-mentioned guiding device 100, the plurality of rolling balls 22 arranged in an array between the guide post 10 and the positioning guide sleeve 40 and the fit clearance between the balls 22 in the ball guide sleeve 20 and the outer wall of the guide post 10 and/or the inner wall of the positioning guide sleeve 40 improve the positioning accuracy and make the sliding fit between the positioning guide sleeve 40 and the guide post 10 smooth. Meanwhile, the balls 22 reduce the abrasion between the outer wall of the guide column 10 and the positioning guide sleeve 40, and reduce the maintenance and use cost.
Some embodiments of the present application will now be described with continued reference to the accompanying drawings.
Referring to fig. 2, a limiting portion 11 is protruded from an outer wall of the guide post 10, the limiting portion 11 is located at one end of the guide post 10, the ball guide 20 is sleeved at the other end of the guide post 10, and the elastic member 30 is located between the ball guide 20 and the limiting portion 11. In one embodiment, the position-limiting portion 11 protrudes from the outer wall of the guide pillar 10 to form a circular ring shape coaxially disposed on the guide pillar 10, so as to fix the elastic element 30. The guide pillar 10 is further fixed on the first plate 91 through the limiting part 11, and the limiting part 11 increases the contact area of the guide pillar 10 and the first plate 91, so that the connection stability is improved.
In one embodiment, an end of the guide post 10 away from the limiting portion 11 is provided with a circular arc surface 12 for guiding the ball guide sleeve 20.
In the guide device 100, the ball guide bush 20 and the elastic member 30 are easily attached by providing the stopper portion 11 and the arc surface 12 on the guide post 10. The contact area between the guide pillar 10 and the first plate 91 is increased through the limiting part 11, and the connection stability is improved.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present application and are not to be taken as limiting the present application, and that suitable changes and modifications to the above embodiments are within the scope of the present disclosure as long as they are within the spirit and scope of the present application.
Claims (10)
1. A guide for guiding a first plate and a second plate, the guide comprising:
a guide post mounted on the first plate;
the positioning guide sleeve is arranged in the second plate;
the elastic piece is sleeved on the guide pillar, and one end of the elastic piece is abutted against the guide pillar; and
the other end of the elastic piece is abutted to the ball guide sleeve, the ball guide sleeve comprises balls, the inner sides of the balls on the ball guide sleeve are in contact with the outer side wall of the guide pillar, and the outer sides of the balls on the ball guide sleeve are in contact with the inner side wall of the positioning guide sleeve so as to guide the relative motion of the first plate and the second plate.
2. The guide device of claim 1, wherein: the ball guide sleeve comprises a sleeve, a plurality of mounting holes arranged in an array are formed in the wall of the sleeve, and the balls can be arranged in the mounting holes in a rolling manner.
3. The guide device of claim 1, wherein: when the first plate and the second plate move relatively, the ball is positioned between the guide pillar and the positioning guide sleeve, and the ball is in point contact with the guide pillar and the positioning guide sleeve.
4. The guide device of claim 3, wherein: the clearance range between the ball and the outer wall of the guide pillar is 0.01mm to 0.02 mm.
5. The guide device of claim 4, wherein: the clearance range between the ball and the inner wall of the positioning guide sleeve is 0.01mm to 0.02 mm.
6. The guide device of claim 1, wherein: the outer wall of the guide pillar is convexly provided with a limiting part, the limiting part is positioned at one end of the guide pillar, the ball guide sleeve is sleeved at the other end of the guide pillar, and the elastic piece is positioned between the ball guide sleeve and the limiting part.
7. The guide device of claim 6, wherein: one end of the guide post, which is far away from the limiting part, is provided with an arc surface which is arranged in a surrounding way and is used for guiding the ball guide sleeve in.
8. The guide device of claim 6, wherein: the elastic piece is a spring, and two ends of the spring are respectively and fixedly connected with the guide pillar and the ball guide sleeve.
9. The guide device of claim 1, wherein: the first plate is provided with a plurality of guide pillars which are arranged in an array, each guide pillar is sleeved with the ball guide sleeve and the elastic piece, the second plate is provided with corresponding positioning holes, and each positioning hole is internally provided with the positioning guide sleeve.
10. The guide device of claim 1, wherein: the guide device is used for a mold, the first plate is an upper mold and/or a lower mold of the mold, and the second plate is a middle jumping plate of the mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023011078.3U CN215094992U (en) | 2020-12-14 | 2020-12-14 | Guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023011078.3U CN215094992U (en) | 2020-12-14 | 2020-12-14 | Guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215094992U true CN215094992U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023011078.3U Active CN215094992U (en) | 2020-12-14 | 2020-12-14 | Guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215094992U (en) |
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2020
- 2020-12-14 CN CN202023011078.3U patent/CN215094992U/en active Active
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Address after: 451162 the second and third floors of building B07, zone B, comprehensive bonded zone, east side of Zhenxing Road, Hangkong District, Zhengzhou City, Henan Province Patentee after: Fulian Yuzhan Technology (Henan) Co.,Ltd. Address before: 451162 the second and third floors of building B07, zone B, comprehensive bonded zone, east side of Zhenxing Road, Hangkong District, Zhengzhou City, Henan Province Patentee before: HENAN YUZHAN PRECISION TECHNOLOGY Co.,Ltd. |