CN216680282U - Clamping device - Google Patents
Clamping device Download PDFInfo
- Publication number
- CN216680282U CN216680282U CN202122749715.5U CN202122749715U CN216680282U CN 216680282 U CN216680282 U CN 216680282U CN 202122749715 U CN202122749715 U CN 202122749715U CN 216680282 U CN216680282 U CN 216680282U
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- China
- Prior art keywords
- sleeve
- movable block
- clamping device
- movable rod
- reducing
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- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 238000003754 machining Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 241000446313 Lamella Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a clamping device, which comprises a reducing sleeve, a fixed sleeve, a movable block and a movable rod which are positioned on the same axis; the inner side of the reducing sleeve is provided with a first conical surface, and the outer surface of the reducing sleeve is used for being matched with the inner surface of a part to be processed in a fitting manner; one end of the fixed sleeve is connected with the variable-diameter sleeve, and the other end of the fixed sleeve is provided with an installation part for fixedly connecting with a machine tool; the movable block is positioned in the reducing sleeve, and a second conical surface in taper fit with the first conical surface is arranged on the outer side of the movable block; the movable rod is located inside the fixed sleeve, one end of the movable rod is fixedly connected with the movable block, and the other end of the movable rod is provided with a first connecting portion which is fixedly connected with the driving end of a driving device of the machine tool. The utility model realizes the rapid clamping and positioning of the part to be processed on the premise of not contacting the surface of the part to be processed, thereby meeting the production requirements of enterprises.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a clamping device.
Background
The clamping device is an indispensable process device which is used for quickly positioning and clamping the part to be machined in the machining process so that the part to be machined always keeps a correct relative position in the machining process. With the development of the machining technology towards high speed, high efficiency, precision and intelligence, the clamping device also meets the requirements of high precision, high efficiency, economy and the like.
In the prior art, for a part 5 to be processed as shown in fig. 1, when the outer surface of the part needs to be processed, the clamping mode is generally that the two ends of the part 5 to be processed are clamped in a mode of simultaneously pressing, and the clamping speed of the clamping mode is slow, so that the production requirements of enterprises are not met. Meanwhile, the surface of the part 5 to be machined is directly contacted with the clamping device in the clamping process, so that the surface is crushed or scratched, and the surface quality of the part to be machined is unqualified.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a clamping device, aiming at realizing the rapid clamping and positioning of a part to be processed on the premise of not contacting the surface of the part to be processed so as to meet the production requirement of an enterprise.
In order to achieve the purpose, the utility model provides a clamping device, which comprises a reducing sleeve, a fixed sleeve, a movable block and a movable rod which are positioned on the same axis; the inner side of the reducing sleeve is provided with a first conical surface, and the outer surface of the reducing sleeve is used for being matched with the inner surface of a part to be processed in a fitting manner; the side part of the reducing sleeve is provided with a plurality of cutting seams which are distributed along the axis of the reducing sleeve at equal intervals; one end of the fixed sleeve is connected with the variable-diameter sleeve, and the other end of the fixed sleeve is provided with an installation part for fixedly connecting with a machine tool; the movable block is positioned in the reducing sleeve, and a second conical surface in taper fit with the first conical surface is arranged on the outer side of the movable block; the movable rod is positioned in the fixed sleeve; one end of the movable rod is fixedly connected with the movable block, and the other end of the movable rod is provided with a first connecting part which is fixedly connected with the driving end of a driving device of the machine tool; the driving device is used for driving the movable block to move along the axis of the reducing sleeve.
Optionally, the reducing sleeve is detachably connected with the fixed sleeve.
Optionally, one end of the reducing sleeve, which is close to the fixed sleeve, is provided with a second connecting part, and the outer side of the second connecting part is provided with a first external thread; the inner side of the fixed sleeve is provided with a first internal thread which is in threaded fit with the first external thread; the reducing sleeve and the fixing sleeve are in threaded connection through a first external thread and a first internal thread.
Optionally, the outer side of the second connecting portion is provided with a third tapered surface, and the inner side of the fixing sleeve is provided with a fourth tapered surface in taper fit with the third tapered surface.
Optionally, the cutting seam is provided with at least four.
Optionally, the end of the cutting slit is provided with a cutting hole.
Optionally, the inner side of the first connecting part is provided with a second internal thread, and the second internal thread is used for being in threaded connection with the driving end of the driving device.
Optionally, the axial position of the movable block is provided with a through hole for the fixing bolt to pass through, and the axial position of the movable rod is provided with a threaded hole, and the through hole is aligned with the threaded hole.
Optionally, one end of the movable block close to the movable rod is provided with a protruding portion, and one end of the movable rod close to the movable block is provided with a recessed portion in concave-convex fit with the protruding portion.
Optionally, the mounting portion is a flange structure.
Compared with the prior art, the utility model has the beneficial effects that:
when the tool is used, a part to be machined is sleeved on the reducing sleeve, so that the inner surface of the part to be machined is attached to the outer surface of the reducing sleeve. Then under drive action force of a drive device, the movable block is driven by the movable rod to move along the direction of the fixed sleeve, and in the moving process of the movable block, due to the fact that the first conical surface of the movable block is in taper fit with the second conical surface of the reducing sleeve, the diameter of the reducing sleeve expands to be large, and the expanded reducing sleeve is used for clamping parts to be machined. Wherein, through set up cutting seam at reducing cover lateral part, make reducing cover cut apart into a plurality of lamellas, provide activity space for the diameter change of reducing cover.
The utility model realizes the rapid clamping and positioning of the part to be processed by using the reducing sleeve on the premise of not contacting the surface of the part to be processed, thereby meeting the production requirements of enterprises.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a part to be machined in the background art;
FIG. 2 is a perspective view of an embodiment of the clamping device of the present invention;
figure 3 is an exploded view of an embodiment of the clamping device of the present invention;
FIG. 4 is a first schematic structural view of a clamping device according to an embodiment of the present invention;
FIG. 5 is a second structural schematic view of the clamping device according to the embodiment of the present invention;
the names of the components identified in the figures are as follows:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Reducing |
101 | First |
| 102 | |
103 | |
| 104 | Second connecting |
1041 | First |
| 105 | Third |
106 | Raised |
| 1061 | |
2 | |
| 201 | |
202 | First |
| 203 | Fourth |
204 | |
| 3 | |
301 | |
| 302 | Through |
303 | Raised |
| 4 | |
401 | First connecting |
| 4011 | Second |
402 | Threaded |
| 403 | |
5 | Part to be machined |
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the description is only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Aiming at the problem that in the prior art, when the surface of the part 5 to be processed shown in the attached drawing 1 needs to be processed, the clamping mode is generally clamping in a mode of simultaneously jacking and pressing two ends of the part 5 to be processed, the clamping speed of the clamping mode is slow, and the production requirements of enterprises are not met. Meanwhile, the surface of the part 5 to be machined is directly contacted with the clamping device in the clamping process, so that the surface is crushed or scratched, and the technical problem that the surface quality of the part to be machined is unqualified is further caused.
The embodiment discloses a clamping device, and referring to the attached drawings 2-5, the clamping device comprises a reducing sleeve 1, a fixed sleeve 2, a movable block 3 and a movable rod 4 which are positioned on the same axis; the inner side of the reducing sleeve 1 is provided with a first conical surface 101, and the outer surface of the reducing sleeve 1 is used for being matched with the inner surface of the part 5 to be processed in a fitting manner; the side part of the reducing sleeve 1 is provided with a plurality of cutting seams 102 which are distributed circumferentially at equal intervals along the axis of the reducing sleeve 1; one end of the fixed sleeve 2 is connected with the reducing sleeve 1, and the other end is provided with an installation part 201 which is used for being fixedly connected with a machine tool (not shown in the drawing); the movable block 3 is positioned in the reducing sleeve 1, and a second conical surface 301 in taper fit with the first conical surface 101 is arranged on the outer side of the movable block 3; the movable rod 4 is positioned inside the fixed sleeve 2; one end of the movable rod 4 is fixedly connected with the movable block 3, and the other end is provided with a first connecting part 401 for fixedly connecting with a driving end of a driving device (not shown in the drawing) of the machine tool; the driving device is used for driving the movable block 3 to move along the axis of the reducing sleeve 1.
When the processing tool is used, the part 5 to be processed is firstly sleeved on the reducing sleeve 1, so that the inner surface of the part 5 to be processed is attached to the outer surface of the reducing sleeve 1. Subsequently under drive arrangement's drive effort, drive movable block 3 along the motion of fixed cover 2 direction through movable rod 4, at the in-process of the motion of movable block 3, because the first conical surface 101 of movable block 3 and the second conical surface 301 taper fit of reducing cover 1, and the diameter that is close to fixed cover 2 one side of first conical surface 101 and second conical surface 301 is less than the diameter of keeping away from fixed cover 2 one side, thereby when movable rod 4 pulling movable block 3 moves toward fixed cover 2 direction, can lead to the diameter inflation grow of reducing cover 1, utilize the reducing cover 1 after the inflation to treat with the clamping and process part 5. Wherein, through set up cutting seam 102 in reducing cover 1 lateral part, make reducing cover 1 equal parts divide into a plurality of lamellas, provide the activity space for the diameter change of reducing cover 1.
According to the utility model, the part 5 to be processed is quickly clamped and positioned by using the reducing sleeve 1 on the premise of not contacting the surface of the part 5 to be processed, so that the production requirements of enterprises are met.
As an alternative to the above-described embodiment, the reducing sleeve 1 is detachably connected to the fixed sleeve 2. So set up, need process multiple part in considering enterprise's production process, if all set up one set of new clamping device specially to every kind of part, can cause the wasting of resources. Consequently this application will treat that reducing cover 1 and fixed cover 2 that processing part 5 played the clamping effect design for can dismantle the connection, when other kinds of parts need be processed, only need change rather than treat that processing part 5's internal surface matched with reducing cover 1 can to reach the cyclic utilization of resource, practice thrift the cost.
Specifically, one end of the reducing sleeve 1 close to the fixed sleeve 2 is provided with a second connecting part 104, and the outer side of the second connecting part 104 is provided with a first external thread 1041; the inner side of the fixed sleeve 2 is provided with a first internal thread 202 in threaded fit with the first external thread 1041; the reducing sleeve 1 and the fixing sleeve 2 are in threaded connection with the first internal thread 202 through the first external thread 1041. So set up, adopt threaded connection's mode to realize the dismantlement between reducing cover 1 and the fixed cover 2 and be connected, simple structure practicality is strong.
More specifically, the outer side of the second connecting portion 104 is provided with a third tapered surface 105, and the inner side of the fixing sleeve 2 is provided with a fourth tapered surface 203 which is in taper fit with the third tapered surface 105. So set up, in order to guarantee the axiality after reducing cover 1 is connected with fixed cover 2, set up third conical surface 105 in the second connecting portion 104 outside of reducing cover 1 to and set up fourth conical surface 203 in the outside of fixed cover 2, utilize the taper fit of third conical surface 105 and fourth conical surface 203 in order to guarantee the axiality after reducing cover 1 is connected with fixed cover 2.
More specifically, a protruding ring 106 is disposed on the outer side of the second connecting portion 104, a notch 1061 is disposed at a left-right opposite position of the protruding ring 106, and the notch 1061 is used for clamping and matching with a wrench. With this arrangement, in order to further improve the firmness of the threaded connection between the reducing sleeve 1 and the fixed sleeve 2, an external tool, such as a wrench, is required. After the fixed sleeve 2 is fixed on the machine tool, the notch 1061 of the convex ring 106 is clamped by a wrench, and then the reducing sleeve 1 is rotated, so that the firmness of the threaded connection between the reducing sleeve 1 and the fixed sleeve 2 can be effectively improved.
As an alternative to the above-described embodiment, the number of the cutting seams 102 is at least four, and specifically, the cutting seams 102 are four in the present embodiment. So set up, cut apart into four equal parts through four cutting joints 102 with reducing cover 1 to the movable block 3 makes reducing cover 1 inflation with the clamping part 5 of treating processing better.
Specifically, the end of the cutting slit 102 is provided with a cutting hole 103. With the arrangement, in the process of considering the expansion of the reducing sleeve 1, the end part of the cutting seam 102 can be subjected to stress concentration, and the reducing sleeve 1 can be cracked due to excessive stress concentration and cannot be used. Therefore, in the embodiment, the cutting hole 103 is formed at the end of the cutting slit 102 to prevent stress concentration, which is beneficial to prolonging the service life of the reducing sleeve 1.
As an alternative to the above embodiment, the inside of the first connecting portion 401 is provided with a second internal thread 4011, the second internal thread 4011 being for screwing with the driving end of the driving device. So set up, the mode that utilizes threaded connection realizes that the transmission between movable rod 4 and drive arrangement's the drive end is connected to ensure the effective transmission of power, simple structure practicality is strong.
Specifically, the outer surface of the first connecting portion 401 is in contact with the inner side surface of the fixing sleeve 2. With such an arrangement, when the driving device drives the movable rod 4 to slide in the fixed sleeve 2, the fixed sleeve 2 can act as a guide for the movable rod 3, so as to ensure that the guide rod 3 can reliably move along the axis of the reducing sleeve 1.
As an alternative to the above embodiment, the axial position of the movable block 3 is provided with a through hole 302 through which a fixing bolt (not shown in the drawings) passes, and the axial position of the movable rod 4 is provided with a threaded hole 402, and the through hole 302 is aligned with the threaded hole 402. So set up, utilize fixing bolt with movable block 3 and movable rod 4 fixed connection, simple structure practicality is strong. Meanwhile, the fixing bolt is arranged at the axial line positions of the movable block 3 and the movable rod 4, so that when the driving device drives the movable block 3 to move through the movable rod 4, the force is transmitted on the same axial line all the time, and the phenomenon that the movable block 3 and the movable rod 4 generate angle deviation to damage equipment is avoided.
Specifically, one end of the movable block 3 close to the movable rod 4 is provided with a convex portion 303, and one end of the movable rod 4 close to the movable block 3 is provided with a concave portion 403 which is in concave-convex fit with the convex portion 303. So set up, before the installation of movable block 3 and movable rod 4, can realize the prepositioning of movable block 3 and movable rod 4 through the unsmooth cooperation of bellying 303 and depressed part 403, the quick installation of the movable block 3 and movable rod 4 of being convenient for.
As an alternative to the above embodiment, the mounting portion 201 is of a flange structure. So set up, realize the fixed connection of fixed cover 2 and lathe through the flange structure, the firmness is high, and simple structure practicality is strong.
As an alternative to the above described embodiment, the outside of the fixing sleeve 2 is provided with an anti-slip texture 204. So set up, frictional force when fixed cover 2 is handed through anti-skidding line 204 improvement avoids fixed cover 2 to drop from the hand in the installation of fixed cover 2 and lathe.
It should be noted that other contents of the clamping device disclosed by the present invention are prior art, and are not described herein again.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
Furthermore, it should be noted that the descriptions relating to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The above are only alternative embodiments of the present invention, and not intended to limit the scope of the present invention, and all the applications of the present invention in other related fields are included in the scope of the present invention.
Claims (10)
1. A clamping device is characterized by comprising a reducing sleeve, a fixed sleeve, a movable block and a movable rod which are positioned on the same axis;
the inner side of the reducing sleeve is provided with a first conical surface, and the outer surface of the reducing sleeve is used for being matched with the inner surface of a part to be processed in an attaching manner; the side part of the reducing sleeve is provided with a plurality of cutting seams which are distributed along the axis of the reducing sleeve at equal intervals and circumferentially;
one end of the fixed sleeve is connected with the variable-diameter sleeve, and the other end of the fixed sleeve is provided with an installation part for fixedly connecting with a machine tool;
the movable block is positioned in the reducing sleeve, and a second conical surface in taper fit with the first conical surface is arranged on the outer side of the movable block;
the movable rod is positioned in the fixed sleeve; one end of the movable rod is fixedly connected with the movable block, and the other end of the movable rod is provided with a first connecting part which is fixedly connected with the driving end of a driving device of the machine tool; the driving device is used for driving the movable block to move along the axis of the reducing sleeve.
2. The clamping device of claim 1, wherein: the reducing sleeve is detachably connected with the fixed sleeve.
3. The clamping device of claim 2, wherein: one end of the reducing sleeve, which is close to the fixed sleeve, is provided with a second connecting part, and the outer side of the second connecting part is provided with a first external thread; a first internal thread in threaded fit with the first external thread is arranged on the inner side of the fixed sleeve; the reducing sleeve is in threaded connection with the fixed sleeve through the first external thread and the first internal thread.
4. A clamping device according to claim 3, wherein: the outer side of the second connecting part is provided with a third conical surface, and the inner side of the fixed sleeve is provided with a fourth conical surface in taper fit with the third conical surface.
5. The clamping device of claim 1, wherein: at least four cutting seams are arranged.
6. The clamping device of claim 5, wherein: and the end part of the cutting seam is provided with a cutting hole.
7. The clamping device of claim 1, wherein: and a second internal thread is arranged on the inner side of the first connecting part and is used for being in threaded connection with the driving end of the driving device.
8. The clamping device of claim 1, wherein: the axis position of movable block is equipped with the through-hole that supplies fixing bolt to pass, the axis position of movable rod is equipped with the screw hole, the through-hole with the screw hole aligns.
9. The clamping device of claim 8, wherein: the movable block is close to one end of the movable rod is provided with a protruding portion, and one end of the movable rod close to the movable block is provided with a concave portion matched with the protruding portion in a concave-convex mode.
10. The clamping device of claim 1, wherein: the installation part is of a flange structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122749715.5U CN216680282U (en) | 2021-11-10 | 2021-11-10 | Clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122749715.5U CN216680282U (en) | 2021-11-10 | 2021-11-10 | Clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216680282U true CN216680282U (en) | 2022-06-07 |
Family
ID=81831898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122749715.5U Expired - Fee Related CN216680282U (en) | 2021-11-10 | 2021-11-10 | Clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216680282U (en) |
-
2021
- 2021-11-10 CN CN202122749715.5U patent/CN216680282U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220607 |
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| CF01 | Termination of patent right due to non-payment of annual fee |