CN109590497B - Cover exchange device rises - Google Patents
Cover exchange device rises Download PDFInfo
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- CN109590497B CN109590497B CN201811345656.1A CN201811345656A CN109590497B CN 109590497 B CN109590497 B CN 109590497B CN 201811345656 A CN201811345656 A CN 201811345656A CN 109590497 B CN109590497 B CN 109590497B
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- China
- Prior art keywords
- wedge
- expansion sleeve
- base
- swinging boom
- exchange device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The utility model provides an cover exchange device rises, includes the base, still includes swinging boom, driving piece, wedge, driving medium, and the cover that rises is installed at the wedge, and driving piece drive swinging boom rotates along the base axial, and the swinging boom drives the driving medium axial and rotates, and the driving medium drives the wedge and struts the cover that rises along the radial motion of base. The automatic expansion sleeve replacing device is simple and light in structure, can be mounted on a manipulator to realize automation, is more convenient, labor-saving and rapid compared with manual expansion sleeve replacement, and reduces the labor intensity of workers; the high-precision clamping can be realized, the sliding blocks are in surface contact with the wedge-shaped surfaces, the clamping device is reliable and durable, and the six wedge-shaped blocks slide simultaneously when the rotating arm rotates, so that the precise clamping can be realized; the shaft center clearance-avoiding device can be used for occasions where the shaft center needs clearance. The driving piece is arranged outside the axis and drives the rotating arm to rotate so as to realize clamping, and the center of the shaft is hollow, so that the clamping device can be used for occasions where the center of the shaft needs to be kept away.
Description
Technical Field
The invention relates to the technical field of expansion sleeves, in particular to an expansion sleeve exchange device.
Background
With the development of industry, the domestic demand for numerical control lathes is increasing. For some high-end numerically controlled lathes, high speed, high precision and high automation have become the mainstream development direction. Similarly, the requirements for high speed, high precision and high automation are also put forward for the fixture in the machine tool. The quick-change type reverse expansion unit belongs to an automatic clamp, can realize automatic clamping, and can also realize quick replacement of the elastic expansion sleeve so as to clamp workpieces with different inner diameters. The existing method for replacing the expansion sleeve is manual replacement, and the efficiency is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an expansion sleeve exchange device, which can solve the problem of low efficiency of manual expansion sleeve exchange in the prior art.
One of the purposes of the invention is realized by adopting the following technical scheme:
the utility model provides an cover exchange device rises, includes the base, still includes swinging boom, driving piece, wedge, driving medium, and the cover that rises is installed the wedge, the driving piece drive the swinging boom is followed the base axial rotates, the swinging boom drives the driving medium axial rotates, the driving medium drives the wedge is followed the radial motion of base struts the cover that rises.
Furthermore, a wedge-shaped groove is formed in the wedge block, and two side faces of the wedge-shaped groove are wedge faces.
Further, the transmission part is a sliding block, one end of the sliding block is fixedly connected with the rotating arm, and the other end of the sliding block slides along the wedge-shaped groove.
Furthermore, a bolt is arranged on the wedge-shaped block and clamps the expansion sleeve.
Furthermore, the wedge blocks are uniformly distributed in the axial direction of the base.
Furthermore, the number of the wedge blocks is six and the wedge blocks are uniformly distributed in the axial direction of the base.
Furthermore, two bolts are arranged on each wedge-shaped block and are arranged along the axial direction of the base.
Further, a pin is arranged between the sliding block and the rotating arm, and the sliding block is fixedly connected with the rotating arm through the pin.
Furthermore, the base is provided with a protrusion, the wedge block is provided with a guide groove, and the protrusion is matched with the guide groove.
Further, the guide groove is a dovetail groove.
Compared with the prior art, the invention has the beneficial effects that: the automatic expansion sleeve replacing device is simple and light in structure, can be mounted on a manipulator to realize automation, is more convenient, labor-saving and rapid compared with manual expansion sleeve replacement, and reduces the labor intensity of workers; the high-precision clamping can be realized, the sliding blocks are in surface contact with the wedge-shaped surfaces, the clamping device is reliable and durable, and the six wedge-shaped blocks slide simultaneously when the rotating arm rotates, so that the precise clamping can be realized; the shaft center clearance-avoiding device can be used for occasions where the shaft center needs clearance. The driving piece is arranged outside the axis and drives the rotating arm to rotate so as to realize clamping, and the center of the shaft is hollow, so that the clamping device can be used for occasions where the center of the shaft needs to be kept away.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of a preferred embodiment of an expansion joint exchange device of the present invention;
FIG. 2 is a perspective view of a preferred embodiment of the expansion sleeve exchange device of the present invention;
FIG. 3 is a perspective view of a wedge block in the expansion sleeve exchange device of the present invention;
FIG. 4 is a plan view showing the position of a wedge block in the expanding sleeve adjusting and changing device according to the present invention;
FIG. 5 is a perspective view of a rotating arm in an expanding sleeve exchanging device according to the present invention;
fig. 6 is a perspective view of the expansion sleeve.
In the figure: 110. a rotating arm; 120. a wedge block; 121. a bolt; 122. a wedge-shaped groove; 123. a first wedge-shaped face; 124. a second wedge-shaped face; 125. a guide groove; 130. a base; 131. a protrusion; 140. a cylinder; 150. a slider; 151. a pin; 200. and (4) expanding sleeves.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
It will be understood that when an element is referred to as being "secured to" 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 "connected" to another component, it can be directly connected to the other component or intervening components 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-6, an expansion sleeve exchanging device includes a base 130, a rotating arm 110, a driving member, a wedge block 120, and a transmission member. Preferably, the driving member is a cylinder 140 and the transmission member is a slider 150.
Referring to fig. 5, the rotating arm 110 is a circular ring structure, the rotating arm 110 protrudes a connecting portion, the connecting portion is connected to a driving member, preferably, the driving member is an air cylinder 140, the rotating arm 110 is sleeved on the base 130, the two are coaxial, and the air cylinder 140 drives the rotating arm 110 to rotate in an axial direction thereof.
One side of the wedge block 120 is provided with a bolt 121, and the bolt 121 is inserted into the upper hole of the expansion sleeve 200. The wedge blocks 120 are uniformly distributed in the axial direction of the base 130, and the wedge blocks 120 are several, in this embodiment, the number of the wedge blocks 120 is six, and the six wedge blocks 120 are uniformly distributed in the axial direction of the base 130. Each wedge block 120 is provided with two bolts 121, and twelve bolts 121 are arranged along the axial direction of the base 130. When the rotating arm 110 rotates, the six wedge-shaped blocks 120 are driven to slide simultaneously, so that the expansion sleeve 200 can be accurately clamped.
The other side of the wedge block 120 is provided with a wedge groove 122, referring to fig. 4, the wedge groove 122 includes two side surfaces, which are a first wedge surface 123 and a second wedge surface 124, respectively, where the first wedge surface 123 and the second wedge surface 124 are inclined surfaces, that is, distances from two ends of the wedge surface to the axis are different. Preferably, said first wedge-facet 123 is parallel to said second wedge-facet 124. The sliding block 150 is in surface contact with the first wedge-shaped surface 123 and the second wedge-shaped surface 124, and is reliable and durable.
The transmission member is a slider 150, the number of the sliders 150 is the same as that of the wedge-shaped blocks 120, and pins 151 are disposed between the slider 150 and the rotating arm 110, in this embodiment, the number of the sliders 150 and the number of the pins 151 are six. One end of the slider 150 is fixedly connected to the rotating arm 110 by a pin 151. The other end of the slider 150 slides along the wedge groove 122. The cylinder 140 drives the rotating arm 110 to rotate in the axial direction, the rotating arm 110 is fixedly connected with the slider 150 through the pin 151, the rotating arm 110 further drives the slider 150 to rotate in the axial direction, the slider 150 contacts the side surface of the wedge-shaped groove 122 in the process of moving in the axial direction along the wedge-shaped groove 122, and the wedge-shaped block 120 further slides in the radial direction through the pushing of the wedge-shaped surface due to the fact that the first wedge-shaped surface 123 and the second wedge-shaped surface 124 are inclined surfaces.
The base 130 is generally a circular ring structure, the middle part is hollow, guide blocks which are flush with the wedge blocks 120 are arranged on the circular ring, preferably, the guide blocks are V-shaped, materials are saved, the guide blocks and the wedge blocks 120 are arranged in a crossed mode and are enclosed to form an annular structure, the number of the guide blocks is consistent, preferably, two outer side faces of each guide block are provided with protrusions 131, namely, the protrusions 131 are arranged on two faces which are in contact with each wedge block 120, preferably, the wedge blocks 120 are provided with guide grooves 125, the protrusions 131 are matched with the guide grooves 125, and when the wedge blocks 120 slide along the radial direction through pushing of the wedge faces, the protrusions 131 play a guiding role along the guide grooves 125. In this embodiment, the guide groove 125 is a dovetail groove, the protrusion 131 is a protrusion 131 with a trapezoidal cross section, and the protrusion 131 cooperates with the dovetail groove to perform a guiding function. In other embodiments, the guide groove 125 can be a groove with other shapes, and the protrusion 131 can cooperate with the guide groove 125 to achieve the guiding function.
When the expansion sleeve exchanging device provided by the invention is used, the plug pin 121 is inserted into the expansion sleeve 200, the cylinder 140 drives the rotating arm 110 to rotate in the axial direction, so as to drive the pin 151 to rotate in the same axial direction, and further drive the slider 150 fixedly connected with the pin 151 to rotate in the same axial direction, the slider 150 is always positioned in the wedge groove 122 when rotating in the axial direction, and due to the inclined surfaces of the first wedge surface 123 and the second wedge surface 124, the wedge block 120 further slides in the radial direction through the pushing action of the wedge surfaces, so as to clamp the expansion sleeve 200 for exchanging. The protrusions 131 cooperate with the guide grooves 125 to guide when the wedge 120 moves in the radial direction.
In addition, referring to fig. 6, the expansion sleeve 200 includes rubber and a clamping block, the section of the outer circumference is a circle, if the clamping outer circle clamps the expansion sleeve 200 to be small, the expansion sleeve cannot be installed, and the inner surface and the lower end surface are installation surfaces, the expansion sleeve cannot be clamped, and the expansion sleeve can only be clamped from the upper end surface, so the axial center must be kept clear.
The expansion sleeve exchange device provided by the invention has the advantages that the structure is simple, the device is practical and light, the air cylinder 140 is adopted to drive the rotating arm 110 to axially rotate, due to the arrangement of the wedge-shaped surface, the axial movement of the sliding block 150 drives the wedge-shaped block 120 to radially move so as to clamp the expansion sleeve 200, the whole device can be arranged on a mechanical arm to realize automation, the expansion sleeve 200 is more convenient, labor-saving and rapid to replace manually, the labor intensity of workers is reduced, the machine is rapid to adjust, the maintenance is convenient, and the production efficiency is greatly improved; the expansion sleeve exchange device provided by the invention can realize high-precision clamping, the sliding block 150 is in surface contact with the first wedge-shaped surface 123 and the second wedge-shaped surface 124, the device is reliable and durable, and when the rotating arm 110 rotates, the six wedge-shaped blocks 120 slide simultaneously, so that the precise clamping can be realized; the expansion sleeve exchange device provided by the invention can be used in occasions where the shaft center needs to be kept away. The cylinder 140 is installed outside the axis to drive the rotating arm 110 to rotate, so that clamping is realized, and the center of the axis is empty, so that the clamping device can be used in occasions where the center of the axis needs to be empty.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (7)
1. The utility model provides an expansion sleeve exchange device, includes the base, its characterized in that: still include swinging boom, driving piece, wedge, slider and guide block, the cover that rises is installed on the wedge, the swinging boom cover is in on the base, the driving piece with the swinging boom is connected and drives the swinging boom is followed the base axial rotates, the swinging boom with the slider is connected and is driven the slider axial rotates, be equipped with the wedge groove on the wedge, two sides in wedge groove are the wedge, the distance of the both ends portion of wedge apart from the axle center is different, the one end of slider with swinging boom fixed connection, the other end of slider slides along the wedge groove to drive the wedge along the radial motion of base struts the cover that rises, the guide block is located on the base, just the quantity of guide block with the quantity of wedge is unanimous, the guide block with the wedge cross arrangement and enclose and close and form an annular structure, the two outer side surfaces of the guide block are both provided with protrusions, and the wedge block is provided with a guide groove in sliding fit with the protrusions.
2. The expansion sleeve exchange device according to claim 1, wherein: the wedge-shaped block is provided with a bolt, and the bolt clamps the expansion sleeve.
3. The expansion sleeve exchange device according to claim 1, wherein: the wedge blocks are uniformly distributed in the axial direction of the base.
4. The expansion sleeve exchange device according to claim 3, wherein: the number of the wedge blocks is six, and the wedge blocks are uniformly distributed in the axial direction of the base.
5. The expansion sleeve exchange device according to claim 4, wherein: each wedge block is provided with two bolts, and the bolts are arranged along the axial direction of the base.
6. The expansion sleeve exchange device according to claim 5, wherein: the slider with be equipped with the round pin between the swinging boom, the slider pass through the round pin with swinging boom fixed connection.
7. The expansion sleeve exchange device according to claim 1, wherein: the guide slot is a dovetail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345656.1A CN109590497B (en) | 2018-11-13 | 2018-11-13 | Cover exchange device rises |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345656.1A CN109590497B (en) | 2018-11-13 | 2018-11-13 | Cover exchange device rises |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109590497A CN109590497A (en) | 2019-04-09 |
| CN109590497B true CN109590497B (en) | 2021-01-08 |
Family
ID=65958630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811345656.1A Active CN109590497B (en) | 2018-11-13 | 2018-11-13 | Cover exchange device rises |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109590497B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3674280A (en) * | 1970-12-16 | 1972-07-04 | Gleason Works | Self-cleaning chuck |
| US3835649A (en) * | 1972-05-29 | 1974-09-17 | Testu C Le | Hydropneumatic chuck actuating device |
| CN201702404U (en) * | 2010-03-25 | 2011-01-12 | 常州比优特机械设备制造有限公司 | Expansion sleeve fixture |
| CN202326998U (en) * | 2011-11-26 | 2012-07-11 | 广州市昊志机电股份有限公司 | Synchronous belt wheel structure of ball high-speed mechanical main shaft |
| CN103991043A (en) * | 2013-02-17 | 2014-08-20 | 深圳市大族激光科技股份有限公司 | External-embrace type clamp |
-
2018
- 2018-11-13 CN CN201811345656.1A patent/CN109590497B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3674280A (en) * | 1970-12-16 | 1972-07-04 | Gleason Works | Self-cleaning chuck |
| US3835649A (en) * | 1972-05-29 | 1974-09-17 | Testu C Le | Hydropneumatic chuck actuating device |
| CN201702404U (en) * | 2010-03-25 | 2011-01-12 | 常州比优特机械设备制造有限公司 | Expansion sleeve fixture |
| CN202326998U (en) * | 2011-11-26 | 2012-07-11 | 广州市昊志机电股份有限公司 | Synchronous belt wheel structure of ball high-speed mechanical main shaft |
| CN103991043A (en) * | 2013-02-17 | 2014-08-20 | 深圳市大族激光科技股份有限公司 | External-embrace type clamp |
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| Publication number | Publication date |
|---|---|
| CN109590497A (en) | 2019-04-09 |
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