CN211072659U - Plane machining clamp for sheet workpiece - Google Patents
Plane machining clamp for sheet workpiece Download PDFInfo
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- CN211072659U CN211072659U CN201921475684.5U CN201921475684U CN211072659U CN 211072659 U CN211072659 U CN 211072659U CN 201921475684 U CN201921475684 U CN 201921475684U CN 211072659 U CN211072659 U CN 211072659U
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Abstract
The utility model discloses a plane processing clamp of a sheet workpiece, which comprises a clamp body, a clamping block and a pressing plate; the clamp body comprises a bottom plate and a first boss and a second boss which are arranged at the tops of two ends of the bottom plate, the top ends of the first boss and the second boss are provided with a threaded hole a and a threaded hole B which are communicated, and a fastening piece A and a fastening piece B are respectively arranged in the two threaded holes; one end of the pressing plate is a slope surface, the other end of the pressing plate is connected to the second boss in a vertically sliding mode, a countersunk through hole and a threaded hole C are formed in the pressing plate and the bottom plate respectively, and a fastening piece C is installed in the countersunk through hole and the threaded hole C; the end face of the clamping block close to the second boss is in a slope shape, the slope end face is matched with the slope surface of the pressing plate, countersunk blind holes are formed in the end faces of the clamping block, which are opposite to the first boss, and an elastic component is placed between the countersunk blind holes. The utility model has simple structure and convenient use; the workpiece does not protrude out of the surface of the workpiece, so that the machining integrity of the plane of the workpiece is ensured; and moreover, the workpiece is clamped stably, and the machining precision of the workpiece plane is ensured.
Description
Technical Field
The utility model relates to a machine tool fixture frock technical field especially relates to a sheet metal work piece's plane machining anchor clamps.
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.
In the machining process, the plane of a workpiece is machined by a planer or a milling machine, the used clamp is generally a flat tongs or a pressing plate, but for a large-plane or small-size thin-plate workpiece (3-6 mm in thickness), the flat tongs cannot be used for clamping, so that the pressing plate is used for clamping, and the cutter cannot cover the whole surface of the workpiece because the pressing plate protrudes out of the surface of the workpiece, so that the integrity of plane machining can be influenced; in addition, the processing precision of the plane of the workpiece is required to be guaranteed, the most important is to stably clamp the workpiece, and the loosening phenomenon cannot occur during processing.
Therefore, it is necessary to provide a flat-working jig for a thin plate workpiece to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plane machining anchor clamps of sheet metal work piece, simple structure, convenient to use are applicable to big plane or less planar processing of sheet metal work piece to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a plane processing clamp for a sheet workpiece comprises a clamp body, a clamping block and a pressing plate; the clamp body comprises a bottom plate and a first boss and a second boss which are arranged at the tops of two ends of the bottom plate, the top ends of the first boss and the second boss are provided with a threaded hole a and a threaded hole B which are communicated, and a fastening piece A and a fastening piece B are respectively arranged in the two threaded holes; one end of the pressing plate is a slope surface, the other end of the pressing plate is connected to the second boss in a vertically sliding mode, a countersunk through hole and a threaded hole C are formed in the pressing plate and the bottom plate respectively, and a fastening piece C is installed in the countersunk through hole and the threaded hole C; the end face of the clamping block close to the second boss is in a slope shape, the end face of the slope is matched with the slope surface of the pressing plate, countersunk blind holes are formed in the end faces of the clamping block, which are opposite to the first boss, and an elastic component is arranged between the two countersunk blind holes; the bottom plate on the inner side of the first boss is provided with an adjusting hole along the length direction, the bottom surface of the clamping block is in contact with the upper surface of the clamp body, the adjusting block at the bottom of the clamping block is located in the adjusting hole, the adjusting block moves left and right in the adjusting hole, and the top end of the clamping block is higher than the first boss.
The utility model discloses a further improvement is, be equipped with vertical spout on the medial surface of second boss, the one end of clamp plate is equipped with the slider, and the clamp plate passes through the slider and slides from top to bottom in the spout.
The utility model discloses a further improvement is, the regulation hole is long waist type hole, and the regulating block is long waist type piece, and the size of regulating block is less than the size of regulation hole.
The utility model discloses a further improvement scheme is, when the regulating block was located the regulating hole and is close to this end of first boss, left the clearance that compresses tightly between clamp splice and the first boss.
The utility model discloses a further improvement scheme is, fastener A is headless hexagon socket head cap screw or cylinder head hexagon socket head cap screw with fastener B.
The utility model discloses a further improvement scheme is, fastener C is socket head cap screw.
The utility model discloses a further improvement scheme is, countersunk head through-hole and screw hole c set up with one heart from top to bottom.
The utility model discloses a further improvement scheme is, be equipped with flat gasket between fastener C and the countersunk head through-hole.
The utility model discloses a further improvement scheme is, elastomeric element is spring or spring assembly.
The utility model discloses a further improvement scheme is, two specific end faces of anchor clamps are the T style of calligraphy.
The utility model has the advantages that:
the utility model discloses a plane machining clamp for sheet workpieces, which is characterized in that when clamping workpieces, more than two T-shaped grooves are arranged in a machine tool workbench, and a clamping block is extruded by a pressing plate to move, so as to realize the clamping function of the workpieces; the clamp has simple structure and convenient use; the workpiece does not protrude out of the surface of the workpiece, so that the integrity of the plane processing of the workpiece is ensured; and moreover, the workpiece is clamped stably, and the machining precision of the workpiece plane is ensured.
Second, the utility model discloses a sheet metal work piece's plane adds clamping apparatus loosens fastener A and fastener B when not using, can also all contract the T-slot of lathe with anchor clamps, keeps the accessible of lathe workstation.
Thirdly, the utility model discloses a plane machining anchor clamps of sheet metal work piece changes fastener A and fastener B into socket head cap screw, and this anchor clamps just can regard as ordinary T shape nut to use.
Fourth, the utility model discloses a sheet metal work piece's plane adds clamping apparatus, clamp plate and second boss pass through slider and spout cooperation, guarantee the stability that the clamp plate reciprocated.
Fifthly, the utility model discloses a sheet metal work piece's plane adds clamping apparatus, regulating block lie in the regulation hole and are close when this end of first boss, leave the clearance that compresses tightly between clamp splice and the first boss to guarantee that clamp splice and first boss do not interfere.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic view of the structure of the clamp body of the present invention.
Fig. 4 is a schematic view of the pressing plate structure of the present invention.
Fig. 5 is a schematic view of the structure of the clamping block of the present invention.
Fig. 6 is a position relation diagram of the machine tool workbench during installation of the utility model.
Fig. 7 to 9 are schematic diagrams of the workpiece clamping method of the present invention.
In the figure: 1-a fixture body, 2-a clamping block, 3-a pressing plate, 4-a bottom plate, 5-a first boss, 6-a second boss, 7-a threaded hole a, 8-a threaded hole B, 9-a countersunk through hole, 10-a threaded hole C, 11-a fastening piece A, 12-a fastening piece B, 13-a fastening piece C, 14-a countersunk blind hole, 15-an elastic component, 16-an adjusting hole, 17-an adjusting block, 18-a chute, 19-a sliding block, 20-a machine tool workbench, 21-a T-shaped groove, 22-a workpiece and 23-a flat gasket.
Detailed Description
The invention will be further elucidated with reference to the drawings, it being understood that the following specific embodiments are only intended to illustrate the invention, and not to limit the scope of the invention, which, after reading the invention, is intended to cover modifications of the various equivalent forms of the invention, which modifications are within the scope of the appended claims.
As shown in fig. 1 to 5, a clamp for processing a plane of a thin plate workpiece comprises a clamp body 1, a clamping block 2 and a pressing plate 3; the fixture body 1 comprises a bottom plate 4, and a first boss 5 and a second boss 6 which are arranged at the tops of two ends of the bottom plate 4, wherein the first boss 5, the second boss 6 and the bottom plate 4 are integrally formed through machining; threaded holes a7 and B8 which are communicated are formed in the top ends of the first boss 5 and the second boss 6, and a fastening piece A11 and a fastening piece B12 are respectively installed in the two threaded holes; one end of the pressing plate 3 is a slope surface, the other end of the pressing plate is connected to the second boss 6 in a vertically sliding mode, a countersunk through hole 9 and a threaded hole C10 are formed in the pressing plate 3 and the bottom plate 4 respectively, and a fastening piece C13 is installed in the countersunk through hole 9 and the threaded hole C10; the end face of the clamping block 2 close to the second boss 6 is in a slope shape, the end face of the slope is matched with the slope of the pressing plate 3, countersunk blind holes 14 are formed in the end faces of the clamping block 2 opposite to the first boss 5, and an elastic component 15 is arranged between the two countersunk blind holes 14; an adjusting hole 16 is formed in the bottom plate 4 on the inner side of the first boss 5 along the length direction, the bottom surface of the clamping block 2 is in contact with the upper surface of the clamp body 1, the adjusting block 17 at the bottom of the clamping block 2 is located in the adjusting hole 16, the adjusting block 17 moves left and right in the adjusting hole 16, and the top end of the clamping block 2 is higher than the first boss 5.
Vertical sliding grooves 18 are machined in the inner side faces of the second bosses 6, one end of the pressing plate 3 is provided with an integrally-formed sliding block 19, and the pressing plate 3 slides up and down in the sliding grooves 18 through the sliding block 19.
The regulation hole 16 is long waist type hole, and regulating block 17 is long waist type piece, and regulating block 17's size is less than the size of regulation hole 16 to regulating block 17 can control freely to remove and do not rock in regulation hole 16 for the standard.
When the adjusting block 17 is located at the end of the adjusting hole 16 close to the first boss 5, a pressing gap is left between the clamping block 2 and the first boss 5.
The fastener A11 and the fastener B12 are socket head cap screws or headless socket head cap screws.
The fastener C13 is a socket head cap screw.
The countersunk through hole 9 and the threaded hole c10 are concentrically arranged up and down.
And a flat gasket 23 is arranged between the fastener C13 and the countersunk through hole 9.
The elastic component 15 is a spring or a spring group.
Two end surfaces of the fixture body 1 are T-shaped.
The specific working principle is as follows: as shown in fig. 6, when in use, firstly, more than two clamps are installed at proper positions of the T-shaped groove 21 on the machine tool workbench 20 according to the size of the workpiece 22, and it is noted that the thickness of the bottom plate 4 of the clamp body 1 is smaller than the height of the transverse groove cavity below the T-shaped groove 21, so that when the fastener a11 and the fastener B12 are screwed (the fastener a11 and the fastener B12 adopt headless hexagon socket head screws when the workpiece 22 is clamped), the clamp body 1 moves upwards, and when the fastener a11 and the fastener B12 are screwed, the upper surface of the bottom plate 4 is tightly attached to the top surface of the transverse groove cavity of the T-shaped groove 21, so that the clamp is fixed in the T-shaped groove 21 of the machine tool workbench 20, and after the clamp is clamped, the upper surfaces of the first boss 5 and the second boss 6 are flush with the machine tool workbench 20; placing the workpiece 22 between the clamps, screwing the clamp C, moving the pressure plate 3 downwards, pressing the clamping block 2 downwards by virtue of the slope at the end part of the pressure plate, and driving the clamping block 2 to move so as to clamp the workpiece 22; when the workpiece 22 is unloaded, only the fastener C13 needs to be loosened, the clamping block 2 moves reversely under the action of the spring, and the pressure plate 3 is driven to move upwards through the cooperation of the slope surface of the clamping block 2 and the slope of the pressure plate 3, so that the workpiece 22 is loosened; if the fastener A11 and the fastener B12 are loosened, the whole clamp sinks into the T-shaped groove 21 of the machine tool workbench 20 to keep the surface of the machine tool free; if fastener A11 and fastener B12 are replaced by hexagon socket head cap screws, the clamp can be used as a common T-shaped nut.
When the workpiece 22 is clamped, the number and the positions of the clamps can be adjusted according to actual conditions. As shown in fig. 7, two clamps may be used to clamp both ends of the workpiece 22; as shown in fig. 8, four clamps may also be used to clamp four corners of the workpiece 22; as shown in fig. 9, when the cross-type T-groove 21 is used for the machine tool table 20, four clamps may be used to clamp the four end surfaces of the workpiece 22.
Claims (10)
1. The utility model provides a plane machining anchor clamps of sheet metal work piece which characterized in that: comprises a clamp body (1), a clamping block (2) and a pressing plate (3); the clamp body (1) comprises a bottom plate (4) and a first boss (5) and a second boss (6) which are arranged at the tops of two ends of the bottom plate (4), the top ends of the first boss (5) and the second boss (6) are provided with a threaded hole a (7) and a threaded hole B (8) which are communicated, and a fastening piece A (11) and a fastening piece B (12) are respectively arranged in the two threaded holes; one end of the pressing plate (3) is a slope surface, the other end of the pressing plate is connected to the second boss (6) in a vertical sliding mode, a countersunk through hole (9) and a threaded hole C (10) are formed in the pressing plate (3) and the bottom plate (4) respectively, and a fastening piece C (13) is installed in the countersunk through hole (9) and the threaded hole C (10); the end face, close to the second boss (6), of the clamping block (2) is in a slope shape, the end face of the slope is matched with the slope of the pressing plate (3), countersunk blind holes (14) are formed in the end faces, opposite to the first boss (5), of the clamping block (2), and an elastic component (15) is placed between the two countersunk blind holes (14); the adjusting device is characterized in that an adjusting hole (16) is formed in the bottom plate (4) on the inner side of the first boss (5) along the length direction, the bottom surface of the clamping block (2) is in contact with the upper surface of the clamp body (1), an adjusting block (17) at the bottom of the clamping block (2) is located in the adjusting hole (16), the adjusting block (17) moves left and right in the adjusting hole (16), and the top end of the clamping block (2) is higher than the first boss (5).
2. A flat working jig for a thin plate workpiece according to claim 1, wherein: the inner side surface of the second boss (6) is provided with a vertical sliding groove (18), one end of the pressing plate (3) is provided with a sliding block (19), and the pressing plate (3) slides up and down in the sliding groove (18) through the sliding block (19).
3. A flat working jig for thin plate workpieces according to claim 1 or 2, wherein: the adjusting holes (16) are long waist-shaped holes, the adjusting blocks (17) are long waist-shaped blocks, and the size of the adjusting blocks (17) is smaller than that of the adjusting holes (16).
4. A flat working jig for a thin plate workpiece according to claim 3, wherein: when the adjusting block (17) is positioned at the end of the adjusting hole (16) close to the first boss (5), a pressing gap is reserved between the clamping block (2) and the first boss (5).
5. A flat working jig for a thin plate workpiece according to claim 1, wherein: the fastener A (11) and the fastener B (12) are headless socket head cap screws or cylindrical socket head cap screws.
6. A flat working jig for a thin plate workpiece according to claim 1, wherein: the fastener C (13) is a socket head cap screw.
7. A flat working jig for a thin plate workpiece according to claim 6, wherein: the countersunk through hole (9) and the threaded hole c (10) are arranged concentrically up and down.
8. A flat working jig for a thin plate workpiece according to claim 7, wherein: and a flat gasket (23) is arranged between the fastener C (13) and the countersunk head through hole (9).
9. A flat working jig for a thin plate workpiece according to claim 1, wherein: the elastic component (15) is a spring or a spring group.
10. A flat working jig for thin plate workpieces according to any one of claims 4 to 9, wherein: two end surfaces of the fixture body (1) are T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921475684.5U CN211072659U (en) | 2019-09-06 | 2019-09-06 | Plane machining clamp for sheet workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921475684.5U CN211072659U (en) | 2019-09-06 | 2019-09-06 | Plane machining clamp for sheet workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211072659U true CN211072659U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921475684.5U Active CN211072659U (en) | 2019-09-06 | 2019-09-06 | Plane machining clamp for sheet workpiece |
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| Country | Link |
|---|---|
| CN (1) | CN211072659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110549143A (en) * | 2019-09-06 | 2019-12-10 | 淮阴工学院 | Clamp for workpiece plane machining |
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2019
- 2019-09-06 CN CN201921475684.5U patent/CN211072659U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110549143A (en) * | 2019-09-06 | 2019-12-10 | 淮阴工学院 | Clamp for workpiece plane machining |
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