CN217702388U - Clamping device for machining - Google Patents
Clamping device for machining Download PDFInfo
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- CN217702388U CN217702388U CN202122443404.6U CN202122443404U CN217702388U CN 217702388 U CN217702388 U CN 217702388U CN 202122443404 U CN202122443404 U CN 202122443404U CN 217702388 U CN217702388 U CN 217702388U
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Abstract
The utility model provides a clamping device for machining, which comprises a reference block and a tooling platform; the clamping device for machining further includes: the device comprises a base, a V-shaped sliding block, a pressing sliding block, a locking bolt and a reset mechanism; the pressing sliding block is horizontally connected with the base in a sliding mode, symmetrical V-shaped inclined planes are arranged on the V-shaped sliding block, a V-shaped groove in sliding fit with the V-shaped sliding block is formed by the base and the pressing sliding block, the V-shaped sliding block is connected with the base in an up-and-down sliding mode through a locking bolt, and the pressing sliding block is connected with the base in a left-and-right sliding mode; the reset mechanism is arranged at the lower part of the base and is used for resetting the V-shaped sliding block and the pressing sliding block; the base and the reference block can be fixedly arranged on the tool table, and the pressing sliding block and the reference block are matched to clamp a workpiece.
Description
Technical Field
The utility model relates to a frock is used in the centre gripping, especially relates to a clamping device is used in machining.
Background
In the prior art, a clamping device is generally fixed on a tool table, the position is fixed, and the clamping mode is single; the clamping mechanism is usually matched with a screw to drive a movable sliding block to extrude a workpiece, and an automatic rebounding device without the sliding block is adopted; the movable clamp blocks can generally apply force to the workpiece in only a single direction.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a clamping device for machining for solve among the prior art centre gripping frock use inconvenient, unreliable problem.
In order to achieve the above objects and other related objects, the present invention provides a clamping device for machining, which includes a reference block and a tooling table; the clamping device for machining further includes: the device comprises a base, a V-shaped sliding block, a pressing sliding block, a locking bolt and a reset mechanism; the pressing sliding block is horizontally connected with the base in a sliding mode, symmetrical V-shaped inclined planes are arranged on the V-shaped sliding block, a V-shaped groove in sliding fit with the V-shaped sliding block is formed by the base and the pressing sliding block, the V-shaped sliding block is connected with the base in a vertical sliding mode through a locking bolt, and the pressing sliding block is connected with the base in a left-right sliding mode; the reset mechanism is arranged at the lower part of the base and is used for resetting the V-shaped sliding block and the pressing sliding block; the base and the reference block can be fixedly arranged on the tool table, and the pressing sliding block and the reference block are matched to clamp a workpiece.
In an embodiment of the present invention, the upper portion of the base is provided with a first inclined plane in sliding fit with the right end of the V-shaped slider; the right end of the pressing sliding block is provided with a second inclined plane in sliding fit with the left end of the V-shaped sliding block; the first inclined plane and the second inclined plane form the V-shaped groove.
In an embodiment of the present invention, the base left end is equipped with and compresses tightly slider sliding fit's slip plane, there is contained angle phi between the terminal surface under slip plane and the base, and the existence of contained angle phi makes to compress tightly the slider when horizontal migration, also has the motion of vertical direction.
In an embodiment of the present invention, a vertical long hole is formed in the upper end surface of the V-shaped slider, the locking bolt is inserted into the vertical long hole, and the V-shaped slider can move vertically and horizontally relative to the locking bolt; the V type bottom of the groove of base corresponds and is equipped with the screw hole, locking bolt with the screw hole cooperatees.
In an embodiment of the utility model, the diameter of locking bolt upper end is greater than the width of vertical slot hole, rotatory this bolt, V type slider can be for under locking bolt's effect the base reciprocates to the drive compresses tightly the slider and is the horizontal slip for the base.
In an embodiment of the present invention, the reset mechanism includes an adjusting screw and an adjusting spring; the adjusting spring is sleeved on the adjusting screw; the adjusting screw is perpendicular to the right end face of the base. And the left end of the adjusting screw is connected with the compressing slide block through a screw.
In an embodiment of the present invention, a through hole for installing the adjusting screw is formed at the lower portion of the base, a counter bore for accommodating and installing the adjusting spring is formed at the right end of the through hole, and the counter bore and the through hole are located on the same axis; the left end of the adjusting spring is in contact with the left end face of the counter bore, the right end of the adjusting spring is in contact with the end head of the right end of the adjusting screw, and the adjusting screw is rotated to compress or loosen the adjusting spring.
In an embodiment of the present invention, the pressing block is connected to the left end of the pressing block, and the pressing block directly contacts with the workpiece to press the workpiece.
In an embodiment of the present invention, the bottom surface of the base is provided with a positioning key, and the positioning key is used for positioning the base on the tool table.
As described above, the utility model discloses a clamping device for machining has following beneficial effect: the utility model improves the convenience of clamping workpieces and the clamping efficiency by arranging the V-shaped block, the base and the pressing slide block which are matched with each other in an inclined plane and the automatic rebounding mechanism; through setting up the contained angle between slip plane and the base lower extreme face, increased the reliability of centre gripping, and then supplementary machining precision that has improved.
Drawings
Fig. 1 is a schematic view of an overall structure of a clamping device for machining according to an embodiment of the present invention;
fig. 2 is a front view showing the overall structure of a clamping device for machining in an embodiment of the present invention;
fig. 3 is a top view of the overall structure of a clamping device for machining according to an embodiment of the present invention;
FIG. 4 isbase:Sub>A cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken at B-B of FIG. 3;
fig. 6 shows an assembly front view of a clamping device for machining and a workpiece according to an embodiment of the present invention;
fig. 7 shows a top view of an assembly of a clamping device for machining and a workpiece according to an embodiment of the present invention;
FIG. 8 is an enlarged view of FIG. 2 at C;
description of the element reference numerals
1-a reference block; 2-a tooling table; 21-a workpiece; 22-a protective cover;
3-a base; 31-a first bevel; 33-sliding plane;
4-V-shaped sliding blocks; 41-vertical slot; a 42-V-shaped groove;
5, pressing the sliding block; 51-an adaptation block; 52-a second bevel;
6-locking the bolt; 61-a gasket;
7-adjusting screws; 71-an adjustment spring; 72-counter bore;
8-a positioning bond; 9-mounting holes;
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 8. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. In addition, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are used for clarity of description only, and are not used to limit the scope of the present invention, and the relative relationship between the terms may be changed or adjusted without substantial technical changes.
Referring to fig. 1, the present invention provides a clamping device for machining, which includes a reference block 1 and a tooling table 2; the clamping device for machining further includes: the device comprises a base 3, a V-shaped sliding block 4, a pressing sliding block 5, a locking bolt 6 and a reset mechanism; the pressing sliding block 5 is horizontally connected with the base 3 in a sliding mode, the V-shaped sliding block 4 is provided with symmetrical V-shaped inclined planes, the base 3 and the pressing sliding block 5 form a V-shaped groove 42 in sliding fit with the V-shaped sliding block 4, the V-shaped sliding block 4 is connected with the base 3 in a vertical sliding mode through a locking bolt 6, and the pressing sliding block 5 is connected with the base 3 in a left-right sliding mode; the reset mechanism is arranged at the lower part of the base 3 and is used for resetting the V-shaped sliding block 4 and the pressing sliding block 5; the base 3 and the reference block 1 can be fixedly arranged on the tooling table 2, and the pressing slide block 5 and the reference block 1 are matched to clamp the workpiece 21.
Preferably, the upper part of the base 3 is provided with a first inclined plane 31 which is in sliding fit with the right end of the V-shaped sliding block 4; the right end of the pressing sliding block 5 is provided with a second inclined plane 52 which is in sliding fit with the left end of the V-shaped sliding block 4; the first inclined surface 31 and the second inclined surface 52 form a V-shaped groove.
Preferably, the left end of the base 3 is provided with a sliding plane 33 in sliding fit with the pressing slider 5, an included angle phi is formed between the sliding plane 33 and the lower end face of the base 3, and the pressing slider 5 can move in the vertical direction while moving horizontally due to the included angle phi. This allows the force applied to the workpiece 21 by the pressing slider 5 when pressing the workpiece 21 (as shown in fig. 6) to be decomposed into a horizontal leftward positive pressure that presses the workpiece 21 against the reference block 1 and a vertical downward frictional force that presses the workpiece 21 against the tooling table 2. Further, in the present embodiment, φ ranges from 1.5 to 3.
Preferably, the upper end surface of the V-shaped slider 4 is provided with a vertical long hole 41 (as shown in fig. 4), the locking bolt 6 is inserted into the vertical long hole 41, and the V-shaped slider 4 can move vertically and horizontally relative to the locking bolt 6; the bottom of the V-shaped groove 42 of the base 3 is correspondingly provided with a screw hole, and the locking bolt 6 is matched with the screw hole.
Further, in the present embodiment, the locking bolt 6 is a thin cup bolt, and in other embodiments, other types of bolts may be used.
Preferably, the diameter of the end of the upper end of the locking bolt 6 is greater than the width of the vertical long hole 41, and further, a gasket 61 is arranged between the end of the upper end of the locking bolt 6 and the vertical long hole 41, and the bolt is rotated, so that the distance from the end of the upper end of the locking bolt 6 to the bottom of the V-shaped groove 42 is changed, and therefore the V-shaped slider 4 can move up and down relative to the base 3 under the action of the locking bolt 6, and the pressing slider 5 is driven to slide left and right relative to the base 3. Further, when the V-shaped slider 4 moves vertically, since the V-shaped slider 4 slides relative to the first inclined surface 31, the V-shaped slider 4 is displaced in the horizontal direction, and the V-shaped slider 4 moves horizontally relative to the lock bolt 6.
Preferably, the return mechanism comprises an adjusting screw 7 and an adjusting spring 71; the adjusting spring 71 is sleeved on the adjusting screw 7; the adjusting screw 7 is arranged vertical to the right end face of the base 3. The left end of the adjusting screw 7 is connected with the compressing slide block 5 through a screw.
Preferably, the lower part of the base 3 is provided with a through hole for mounting the adjusting screw 7, the right end of the through hole is provided with a counter bore 72 for accommodating the mounting adjusting spring 71, and the counter bore 72 and the through hole are positioned on the same axis; the left end of the adjusting spring 71 is in contact with the left end face of the counter bore 72, the right end of the adjusting spring is in contact with the end head of the right end of the adjusting screw 7, the adjusting screw 7 is rotated, the distance from the end head of the right end of the adjusting screw 7 to the left end face of the counter bore 72 is changed, and then the adjusting spring 71 can be compressed or loosened. When the adjusting spring 71 is compressed, the return pressure to which the V-shaped slider 4 and the pressure slider 5 are subjected is greater and vice versa less.
Preferably, the left end of the pressing slider 5 can be connected with an adapter block 51, and the adapter block 51 is directly contacted with the workpiece 21 and is used for pressing the workpiece 21; in the present embodiment, the adapter block 51 is provided with a friction-increasing tooth surface.
Preferably, a positioning key 8 is arranged on the bottom end face of the base 3, and the positioning key 8 is used for positioning the base 3 on the tooling table 2; the upper end of the base 3 is provided with a mounting hole 9 for fixedly mounting the base 3 on the tooling table 2, and the base 3 is fixedly connected on the tooling table 2 through a bolt.
In this embodiment, the clamping device for machining further includes a protective cover 22, the protective cover 22 is covered on the base 3, and further, the protective cover 22 is connected to the V-shaped block by a screw.
During operation, a workpiece 21 is clamped between the reference block 1 and the pressing slider 5, the locking bolt 6 is rotated to enable the V-shaped slider 4 to move downwards, and meanwhile, the pressing slider 5 extrudes the workpiece 21 leftwards under the action of the V-shaped slider 4, so that the position of the workpiece 21 is locked; when the workpiece 21 is machined, the locking bolt 6 is rotated reversely, the adjusting screw 7 in the reset mechanism moves rightwards under the restoring force of the adjusting spring 71, the pressing slide block 5 is pulled to reset, meanwhile, the pressing slide block 5 pushes the V-shaped slide block 4 to reset through the inclined surface, and the machined workpiece can be taken away.
To sum up, the utility model improves the convenience of clamping workpieces and improves the clamping efficiency by arranging the V-shaped block, the base and the pressing slide block which are matched with each other in an inclined plane and the automatic rebounding mechanism; through setting up the contained angle between slip plane and the base lower extreme face, increased the reliability of centre gripping, and then supplementary machining precision that has improved. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
Claims (9)
1. A clamping device for machining comprises a reference block and a tool table;
it is characterized in that the clamping device for machining further comprises: the device comprises a base, a V-shaped sliding block, a pressing sliding block, a locking bolt and a reset mechanism;
the pressing sliding block is horizontally connected with the base in a sliding mode, symmetrical V-shaped inclined planes are arranged on the V-shaped sliding block, a V-shaped groove in sliding fit with the V-shaped sliding block is formed by the base and the pressing sliding block, the V-shaped sliding block is connected with the base in a vertical sliding mode through a locking bolt, and the pressing sliding block is connected with the base in a left-right sliding mode;
the reset mechanism is arranged at the lower part of the base and is used for resetting the V-shaped sliding block and the pressing sliding block;
the base and the reference block can be fixedly arranged on the tool table, and the pressing sliding block and the reference block are matched to clamp a workpiece.
2. The clamping device for machining according to claim 1, wherein: the upper part of the base is provided with a first inclined plane which is in sliding fit with the right end of the V-shaped sliding block; the right end of the pressing sliding block is provided with a second inclined plane which is in sliding fit with the left end of the V-shaped sliding block; the first inclined plane and the second inclined plane form the V-shaped groove.
3. The clamping device for machining according to claim 2, wherein: the base left end is equipped with and compresses tightly slider sliding fit's slip plane, there is contained angle phi between slip plane and the base lower extreme face.
4. The clamping device for machining according to claim 1, wherein: the upper end surface of the V-shaped sliding block is provided with a vertical long hole, the locking bolt is inserted into the vertical long hole, and the V-shaped sliding block can move vertically and horizontally relative to the locking bolt; the V type tank bottom of base corresponds and is equipped with the screw hole, locking bolt with the screw hole cooperatees.
5. The clamping device for machining according to claim 4, wherein: the diameter of the end head of the upper end of the locking bolt is larger than the width of the vertical long hole, and when the locking bolt is rotated, the V-shaped sliding block can move up and down relative to the base under the action of the locking bolt, so that the pressing sliding block is driven to slide left and right relative to the base.
6. The clamping device for machining according to claim 1, wherein: the reset mechanism comprises an adjusting screw and an adjusting spring; the adjusting spring is sleeved on the adjusting screw; the adjusting screw is arranged perpendicular to the right end face of the base; and the left end of the adjusting screw is connected with the compressing slide block through a screw.
7. The clamping device for machining according to claim 6, wherein: a through hole for mounting the adjusting screw is formed in the lower portion of the base, a counter bore for accommodating and mounting the adjusting spring is formed in the right end of the through hole, and the counter bore and the through hole are located on the same axis; the left end of the adjusting spring is in contact with the left end face of the counter bore, the right end of the adjusting spring is in contact with the end head of the right end of the adjusting screw, and the adjusting spring can be compressed or loosened by rotating the adjusting screw.
8. The clamping device for machining according to claim 1, wherein: the left end of the pressing sliding block can be connected with an adapting block, and the adapting block is directly contacted with a workpiece and used for pressing the workpiece.
9. The clamping device for machining according to claim 1, wherein: the base bottom end face is equipped with the navigation key, the navigation key is used for the base is at the location of frock bench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122443404.6U CN217702388U (en) | 2021-10-11 | 2021-10-11 | Clamping device for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122443404.6U CN217702388U (en) | 2021-10-11 | 2021-10-11 | Clamping device for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217702388U true CN217702388U (en) | 2022-11-01 |
Family
ID=83774373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122443404.6U Active CN217702388U (en) | 2021-10-11 | 2021-10-11 | Clamping device for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217702388U (en) |
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2021
- 2021-10-11 CN CN202122443404.6U patent/CN217702388U/en active Active
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