CN210588869U - Anchor clamps for machining - Google Patents
Anchor clamps for machining Download PDFInfo
- Publication number
- CN210588869U CN210588869U CN201920762894.6U CN201920762894U CN210588869U CN 210588869 U CN210588869 U CN 210588869U CN 201920762894 U CN201920762894 U CN 201920762894U CN 210588869 U CN210588869 U CN 210588869U
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- sleeve
- clamping
- threaded rod
- workpiece
- rotating
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Abstract
The utility model provides a clamp for machining, belonging to the technical field of machining, comprising a bottom plate and two groups of clamping mechanisms arranged on the upper part of the bottom plate in a sliding way, wherein each clamping mechanism comprises a sleeve, a threaded rod and a clamping plate; the threaded rod passes the sleeve lateral wall and with sleeve threaded connection, the grip block articulates the tip to the threaded rod through changeing the cover, and the grip block is located inside the sleeve. In the embodiment of the utility model, the clamping plate can rotate under the threaded rod through the hinged arrangement of the clamping plate and the threaded rod, when the threaded rod drives the clamping plate to clamp the workpiece, the clamping plate can naturally attach to the workpiece, so that the clamping force is dispersed, thereby avoiding the stress concentration of the workpiece and causing the damage of the workpiece; through the telescopic matching of the support rod and the outer sleeve, the height of the clamping mechanism is convenient to adjust, and the workpiece is convenient to process.
Description
Technical Field
The utility model relates to a machining equipment specifically is an anchor clamps for machining.
Background
The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig.
The conventional clamp clamps a workpiece through screwing in of a threaded rod. In order to facilitate the processing of a workpiece, two ends of the workpiece are clamped and fixed through clamps respectively, however, due to the fact that the shape of the workpiece is various, the two ends of the workpiece are not all relatively horizontal, and can incline at a certain angle, when the threaded rod is screwed in, acting force on the end portion of the workpiece changes along with the inclination of the workpiece, stress concentration on the end portion of the workpiece is caused, and the appearance of the workpiece is damaged.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a to solve technical problem provides a anchor clamps for machining to the not enough of above-mentioned prior art.
In order to solve the technical problem, the utility model provides a following technical scheme:
a clamp for machining comprises a bottom plate and two groups of clamping mechanisms arranged on the upper portion of the bottom plate in a sliding mode, wherein each clamping mechanism comprises a sleeve, a threaded rod and a clamping plate; the threaded rod passes the sleeve lateral wall and with sleeve threaded connection, the grip block articulates the tip to the threaded rod through changeing the cover, and the grip block is located inside the sleeve.
As a further improvement of the utility model: the upper part of the clamping plate is fixedly connected with two groups of opposite rotating bases, a rotating shaft is fixedly connected between the two groups of rotating bases, the rotating shaft penetrates through the rotating sleeve and is in rotating fit with the rotating sleeve, and the rotating sleeve is in rotating fit with the threaded rod; the upper part of the clamping plate is also connected with the top of the sleeve through a tension spring.
As a further improvement of the utility model: and one end of the threaded rod, which is far away from the clamping plate, is fixedly connected with a hand wheel.
As a further improvement of the utility model: the sleeve bottom fixedly connected with bracing piece, bracing piece and telescopic contained angle department are provided with the strengthening rib, and the bracing piece lower extreme activity is stretched into in the outer sleeve, and sets up vertical equidistant distribution's first through-hole on the bracing piece, set up the second through-hole that corresponds with first through-hole on the outer sleeve.
As a further improvement of the present invention: the bottom of the outer sleeve is provided with a clamping groove, and the clamping groove is in sliding fit with a sliding rail fixedly mounted on the upper portion of the bottom plate.
As a further improvement of the present invention: the slide rail both ends all are equipped with the baffle, baffle fixed connection is on bottom plate upper portion.
As a further improvement of the present invention: positioning plates fixed at the bottom of the outer sleeve are arranged below the left side and the right side of the clamping groove; the positioning plate is provided with a third through hole, and the upper part of the bottom plate is provided with a plurality of fourth through holes matched with the third through hole.
Compared with the prior art, the beneficial effects of the utility model are that:
in the embodiment of the utility model, the clamping plate can rotate under the threaded rod through the hinged arrangement of the clamping plate and the threaded rod, when the threaded rod drives the clamping plate to clamp the workpiece, the clamping plate can naturally attach to the workpiece, so that the clamping force is dispersed, thereby avoiding the stress concentration of the workpiece and causing the damage of the workpiece; the height of the clamping mechanism is convenient to adjust and the workpiece is convenient to process by the telescopic matching of the support rod and the outer sleeve; after the height of the supporting rod is adjusted, the plug pin extends into the corresponding first through hole from the second through hole, and the outer sleeve is fixed with the supporting rod.
Drawings
FIG. 1 is a schematic view of a machining jig;
FIG. 2 is a schematic structural view of an outer sleeve of a machining jig;
FIG. 3 is a schematic structural view of a clamping head in a machining jig;
in the figure: 1-sleeve, 2-threaded rod, 3-hand wheel, 4-clamping plate, 5-supporting rod, 6-reinforcing rib, 7-first through hole, 8-outer sleeve, 9-second through hole, 10-sliding rail, 11-baffle, 12-third through hole, 13-positioning plate, 14-fourth through hole, 15-clamping groove, 16-rotating shaft, 17-rotating base, 18-bottom plate, 19-tension spring and 20-rotating sleeve.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-3, the present embodiment provides a machining fixture, which includes a bottom plate 18 and two sets of clamping mechanisms slidably disposed on the top of the bottom plate 18; the clamping mechanism comprises a sleeve 1, a threaded rod 2 and a clamping plate 4; threaded rod 2 passes sleeve 1 lateral wall and with sleeve 1 threaded connection, grip block 4 articulates the tip to threaded rod 2 through changeing cover 20, and grip block 4 is located sleeve 1 inside.
The upper part of the clamping plate 4 is fixedly connected with two groups of opposite rotating bases 17, a rotating shaft 16 is fixedly connected between the two groups of rotating bases 17, the rotating shaft 16 penetrates through a rotating sleeve 20 and is in rotating fit with the rotating sleeve 20, and the rotating sleeve 20 is in rotating fit with the threaded rod 2; the upper part of the clamping plate 4 is also connected with the top of the sleeve 1 through a tension spring 19.
When a workpiece is clamped, firstly, the workpiece penetrates through the sleeve 1 of one clamping mechanism and penetrates through the sleeve 1 of the other clamping mechanism, and then the threaded rod 2 is screwed, so that the threaded rod 2 drives the clamping plate 4 to move along the radial direction of the sleeve 1, so that the clamping plate is matched with the inner wall of the sleeve 1 to clamp and fix the workpiece; the clamping plate 4 is hinged with the rotating sleeve 20, so that the clamping plate 4 can rotate at the lower part of the rotating sleeve 20, and when the threaded rod 2 drives the clamping plate 4 to clamp a workpiece, the clamping plate 4 can naturally attach to the workpiece, so that the clamping force is dispersed, and the workpiece is prevented from being damaged due to stress concentration; the clamping plate 4 and the rotating sleeve 20 are rotationally connected with the threaded rod 2 through the tension spring 19, so that the clamping plate 4 is prevented from changing position along with the rotation of the threaded rod 2, and a stable clamping environment is provided for workpieces.
Threaded rod 2 keeps away from one end fixedly connected with hand wheel 3 of grip block 4, through manual rotation hand wheel 3 to operation threaded rod 2 rotates, is convenient for control to the clamp force of work piece, prevents that the clamp force is too big, makes the work piece press from both sides the damage.
The utility model discloses a sleeve, including sleeve 1, bracing piece 5 and sleeve 1, the contained angle department of bracing piece 5 and sleeve 1 is provided with strengthening rib 6, and 5 lower extreme activities of bracing piece stretch into outer sleeve 8 in, and set up vertical equidistant distribution's first through-hole 7 on the bracing piece 5, set up the second through-hole 9 that corresponds with first through-hole 7 on the outer sleeve 8.
The height of the clamping mechanism is convenient to adjust and the workpiece is convenient to process through the telescopic matching of the support rod 5 and the outer sleeve 8; after the height of the supporting rod 5 is adjusted, the outer sleeve 8 and the supporting rod 5 are fixed by inserting the pin into the corresponding first through hole 7 from the second through hole 9.
The bottom of the outer sleeve 8 is provided with a clamping groove 15, and the clamping groove 15 is in sliding fit with a sliding rail 10 fixedly arranged on the upper part of a bottom plate 18.
When the workpiece is installed, the relative distance between the two groups of clamping mechanisms can be adjusted according to the length of the workpiece, namely the outer sleeve 8 slides along the slide rail 10.
The two ends of the slide rail 10 are respectively provided with a baffle 11, the baffles 11 are fixedly connected to the upper part of the bottom plate 18, and the baffles 11 are arranged to block the outer sleeve 8 and prevent the outer sleeve 8 from separating from the slide rail 10 when sliding.
The working principle of the embodiment is as follows: when a workpiece is clamped, firstly, the workpiece penetrates through the sleeve 1 of one clamping mechanism and penetrates through the sleeve 1 of the other clamping mechanism, and then the threaded rod 2 is screwed, so that the threaded rod 2 drives the clamping plate 4 to move along the radial direction of the sleeve 1, so that the clamping plate is matched with the inner wall of the sleeve 1 to clamp and fix the workpiece; the clamping plate 4 is hinged with the rotating sleeve 20, so that the clamping plate 4 can rotate at the lower part of the rotating sleeve 20, and when the threaded rod 2 drives the clamping plate 4 to clamp a workpiece, the clamping plate 4 can naturally attach to the workpiece, so that the clamping force is dispersed, and the workpiece is prevented from being damaged due to stress concentration; the clamping plate 4 and the rotating sleeve 20 are rotationally connected with the threaded rod 2 through the tension spring 19, so that the clamping plate 4 is prevented from changing position along with the rotation of the threaded rod 2, and a stable clamping environment is provided for workpieces.
The height of the clamping mechanism is convenient to adjust and the workpiece is convenient to process through the telescopic matching of the support rod 5 and the outer sleeve 8; after the height of the supporting rod 5 is adjusted, the outer sleeve 8 and the supporting rod 5 are fixed by inserting the pin into the corresponding first through hole 7 from the second through hole 9.
When the workpiece is installed, the relative distance between the two groups of clamping mechanisms can be adjusted according to the length of the workpiece, namely the outer sleeve 8 slides along the slide rail 10.
Example 2
Referring to fig. 1, in the present embodiment, compared with embodiment 1, the positioning plates 13 fixed to the bottom of the outer sleeve 8 are disposed below the left and right sides of the slot 15; the positioning plate 13 is provided with a third through hole 12, and the upper part of the bottom plate 18 is provided with a plurality of fourth through holes 14 corresponding to the third through hole 12.
After the distance between the two groups of clamping mechanisms is adjusted, the bolts are inserted into the corresponding fourth through holes 14 from the third through holes 12, so that the positioning plate 13 and the bottom plate 18 are fixed, and a stable processing environment is provided for workpieces.
In the embodiment of the utility model, the clamping plate 4 can rotate under the threaded rod 2 by hinging the clamping plate 4 with the threaded rod 2, and when the threaded rod 2 drives the clamping plate 4 to clamp a workpiece, the clamping plate 4 can naturally attach to the workpiece, so that the clamping force is dispersed, thereby avoiding the stress concentration of the workpiece and causing the workpiece to be damaged; the height of the clamping mechanism is convenient to adjust and the workpiece is convenient to process through the telescopic matching of the support rod 5 and the outer sleeve 8; after the height of the supporting rod 5 is adjusted, the outer sleeve 8 and the supporting rod 5 are fixed by inserting the pin into the corresponding first through hole 7 from the second through hole 9.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. A clamp for machining comprises a bottom plate (18) and two groups of clamping mechanisms arranged on the upper portion of the bottom plate (18) in a sliding mode, and is characterized in that the clamping mechanisms comprise sleeves (1), threaded rods (2) and clamping plates (4); threaded rod (2) pass sleeve (1) lateral wall and with sleeve (1) threaded connection, grip block (4) are articulated to the tip of threaded rod (2) through changeing cover (20), and grip block (4) are located inside sleeve (1).
2. The clamp for machining according to claim 1, wherein two sets of opposite rotating bases (17) are fixedly connected to the upper portion of the clamping plate (4), a rotating shaft (16) is fixedly connected between the two sets of rotating bases (17), the rotating shaft (16) penetrates through the rotating sleeve (20) and is in rotating fit with the rotating sleeve (20), and the rotating sleeve (20) is in rotating fit with the threaded rod (2); the upper part of the clamping plate (4) is also connected with the top of the sleeve (1) through a tension spring (19).
3. A machining fixture as claimed in claim 1 or 2, characterized in that a hand wheel (3) is fixedly connected to the end of the threaded rod (2) remote from the clamping plate (4).
4. The clamp for machining according to claim 1, wherein a support rod (5) is fixedly connected to the bottom of the sleeve (1), a reinforcing rib (6) is arranged at an included angle between the support rod (5) and the sleeve (1), the lower end of the support rod (5) movably extends into the outer sleeve (8), first through holes (7) which are vertically distributed at equal intervals are formed in the support rod (5), and second through holes (9) corresponding to the first through holes (7) are formed in the outer sleeve (8).
5. The machining fixture as claimed in claim 4, wherein a clamping groove (15) is formed in the bottom of the outer sleeve (8), and the clamping groove (15) is in sliding fit with a sliding rail (10) fixedly mounted on the upper portion of the bottom plate (18).
6. A machining fixture as claimed in claim 5, characterized in that the slide rail (10) is provided at both ends with a baffle (11), and the baffle (11) is fixedly connected to the upper part of the bottom plate (18).
7. The machining fixture as claimed in claim 5, wherein the positioning plates (13) fixed to the bottom of the outer sleeve (8) are arranged below the left side and the right side of the clamping groove (15); the positioning plate (13) is provided with a third through hole (12), and the upper part of the bottom plate (18) is provided with a plurality of fourth through holes (14) which are matched with the third through hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920762894.6U CN210588869U (en) | 2019-05-25 | 2019-05-25 | Anchor clamps for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920762894.6U CN210588869U (en) | 2019-05-25 | 2019-05-25 | Anchor clamps for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210588869U true CN210588869U (en) | 2020-05-22 |
Family
ID=70699342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920762894.6U Expired - Fee Related CN210588869U (en) | 2019-05-25 | 2019-05-25 | Anchor clamps for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210588869U (en) |
-
2019
- 2019-05-25 CN CN201920762894.6U patent/CN210588869U/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: 20200522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |