CN212043657U - Plate part machining and clamping device - Google Patents
Plate part machining and clamping device Download PDFInfo
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- CN212043657U CN212043657U CN202020674762.0U CN202020674762U CN212043657U CN 212043657 U CN212043657 U CN 212043657U CN 202020674762 U CN202020674762 U CN 202020674762U CN 212043657 U CN212043657 U CN 212043657U
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Abstract
The utility model relates to a plate part processing clamping device, which is designed according to the size structure of product parts and is a clamping device designed aiming at processing nonferrous metals and being incapable of grinding; the size of the device structure is determined according to the size of the part, and the extrusion clamp structure is novel and practical; the method comprises the following steps: the device comprises an installation bottom plate, a plate placed on the upper part of the installation bottom plate, an axial clamping and fixing mechanism connected to the installation bottom plate, and a radial clamping and fixing mechanism connected to the installation bottom plate; clamping and fixing the plate on the mounting bottom plate through an axial clamping and fixing mechanism and a radial clamping and fixing mechanism; positioning by adopting two benchmarks, extruding by a cam and eccentrically extruding by a hook type lever; the clamping is fast, the problem of peripheral dimension processing is solved at one time, and the processing technical requirement can be met. The device not only is used in aluminum plate processing, and the device is also suitable for processing series such as some copper products, plastic slabs simultaneously, the unable material of work of electromagnetic chuck.
Description
Technical Field
The utility model relates to a panel material processing auxiliary device specifically relates to panel parts machining fastener is applied to sheet metal part and adds man-hour and guarantee that its plane degree, thickness and depth of parallelism accord with technical requirement, belongs to mechanical equipment and makes technical field.
Background
When parts are machined, nonferrous metals (such as aluminum plates, brass plates and copper plates), plastic plates and the like with irregular sizes and different thicknesses are machined by adopting the traditional method, and the technical requirements of smoothness, parallelism, flatness, appearance size and the like cannot be met because the products cannot be ground (the sucking discs cannot suck and cannot be machined). The external shape and the internal shape of the workpiece are not uniform, the position of a positioning pin hole is accurate, the processing difficulty is increased, and the conventional processing method cannot meet the technical requirements of drawings basically;
for example, for the aluminum plate with the relatively thin plate part size (the thin aluminum plate size is about 16 mm), the finished product is designed and manufactured when the grinding plane cannot be machined and the requirements of the dimensional tolerance of the inner shape and the outer shape of the plane cannot be met, and the design technical requirements are met.
Disclosure of Invention
In view of the defects existing in the prior art, the utility model aims to provide a plate part machining clamping device, which designs different clamping forms according to the contour size of the peripheral dimension of a product so as to solve the machining precision of the inner and outer shapes of plane machining.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: panel parts machining clamping device includes: the mounting device comprises a mounting bottom plate, a plate placed on the upper part of the mounting bottom plate, an axial clamping and fixing mechanism connected to the mounting bottom plate, a radial clamping and fixing mechanism connected to the mounting bottom plate and a fastening bolt; clamping and fixing the plate on the mounting bottom plate through an axial clamping and fixing mechanism and a radial clamping and fixing mechanism;
furthermore, the mounting base plate is of a rectangular structure, a plurality of base plate through holes are arranged at equal distances at two ends of the mounting base plate in the length direction, the plurality of base plate through holes at each end are distributed on the mounting base plate in a longitudinal mode, and the mounting base plate is fixedly connected to a machine tool workbench by screwing in the base plate through holes through screws;
the mounting bottom plate is processed by adopting a 920x248x80 rectangular material and 45# material quenching and tempering HV 270-300;
further, the axial clamping and fixing mechanism comprises: the cam locking plate is arranged on one side of the mounting base plate; the upper surface of the mounting base plate is respectively provided with a positioning block mounting groove at one side close to the base plate through holes at two ends, the positioning block mounting grooves are vertically distributed on the mounting base plate, a plurality of screw holes are uniformly arranged in the positioning block mounting grooves at equal intervals, and the positioning block is used for adjusting the position of the positioning block in the mounting groove through fastening screws; 2 cam locking plate bolt holes are respectively formed in the positions, located between the bottom plate through hole and the positioning block mounting groove, of the two ends of the mounting bottom plate, positioning fastening screw through holes are formed in the cam locking plates, and the cam locking plates are fastened through fastening screws in the cam locking plate bolt holes; one end of the mounting bottom plate is positioned in a locating block mode, the other end of the mounting bottom plate is clamped in a cam locating plate mode, and the cam locking plate with the eccentric stroke of 5mm and the X-direction locating block react to clamp the workpiece, so that the axial clamping and fixing of the plate workpiece are formed;
the size number of the through holes of the bottom plate is 6x phi 15;
the width of the positioning block mounting groove is 20mm, and the depth of the positioning block mounting groove is 15 mm;
the size and number of the screw holes in the positioning block mounting groove are 10xM 8;
the cam locking plate is made of 45# material, and the plate material subjected to heat treatment HRC40-43 is subjected to linear cutting processing.
The diameter of a through hole of a positioning fastening screw on the cam locking plate is phi 6.2;
the number of the screws in the bolt holes of the cam locking plate is 2xM 6;
the cam locking plate is arranged on one side of the bottom plate when the front surface of the part is machined, and is exchanged when the back surface of the part is machined and is arranged on the other side of the bottom plate. The machining allowance of the aluminum plate cannot be kept large, so that the clamping is designed to be slightly forced.
Further, the radial clamping and fixing mechanism comprises: the key ring positioning baffle is arranged on the side wall of one side of the mounting bottom plate in the width direction, and the hook locking device is arranged on the side wall of the other side of the mounting bottom plate in the width direction; the mounting bottom plate plays a role in clamping the workpiece through the blocking and leaning action of the key ring positioning baffle and the lever action of the hook locking device, so that radial clamping and fixing of the plate workpiece are formed;
furthermore, a plurality of groups of key hole type through holes are formed in the side wall of one side of the installation bottom plate for installing the key ring positioning baffle, the number of each group of key hole type through holes is 4, the 4 key hole type through holes are connected to form a square structure, a key ring positioning baffle is arranged on each group of key hole type through holes, the size and the specification of each key ring positioning baffle are the same, and interchangeability is improved;
preferably, the key hole type through holes in the installation bottom plate are arranged into 4 groups, the 4 groups of key hole type through holes are used for installing key ring positioning baffles through 16xM8 screws, the key ring positioning baffles are quickly disassembled in the key hole type through holes in a one-mounting one-tightening mode, and the disassembly of the key ring positioning baffles can be completed without disassembling the screws;
the key ring positioning baffle is used for processing and positioning the installation plate and is designed in the Y direction to play a role in fixing and blocking; the specification is 80x70x12 square stock, the material is 45# steel, and the material is subjected to thermal refining HV 270-300;
the upper end of the key ring positioning baffle is provided with a 0.5mmx11 rough machining positioning part; the finish machining locating block can be used in reverse (0.5 mm is reserved in design, and finish machining is met).
Further, the couple locking device be detachable structure, include: a hook locking block and a hook pin shaft; the hook locking block is provided with an integrally formed bent hook, the bent hook is hung on a hook pin shaft, the hook pin shaft is arranged in the mounting base plate in a penetrating manner, the mounting base plate is provided with a plurality of groups of locking grooves, and the bent hook is partially embedded in the locking grooves and hooks the hook pin shaft; the upper part of the bent hook of the hook locking block is provided with a bent part R5, and the inner wall of the bent part faces the top of the upper corner of the side wall of the mounting bottom plate; a screw through hole is formed in the lower portion of the hook locking block, and a locking screw penetrates through the screw through hole;
preferably, the number of the hook locking devices on the mounting bottom plate is 4;
the diameter of the bent hook of the hook locking block is the same as that of the hook pin shaft and is phi 8;
the locking groove is formed in the top end of the side wall of the mounting bottom plate, and the size of the locking groove is 20x 35 mm;
the diameter of a screw through hole formed in the lower portion of the hook locking block is phi 8.5, and a locking screw in the screw through hole is an M10 screw;
the hanger locking block is made of 45# material (or quenchable material), subjected to heat treatment HRC40-43 and processed by linear cutting. According to the lever principle, acting force and reacting force are applied; the center of the hook is taken as a center point, the M10 screw is taken as a vertex, the center of the hook is taken as a center rotation point, and the action on the upper part R5 is taken as a pressing point to complete the clamping action. After the machine tool finishes processing the plane, loosening the M10 screw, and under the condition that the part does not move, detaching the hook locking block to process the peripheral dimension. The clamping, mounting and aligning time is saved, and the rapid clamping can be fully completed.
The hook pin shaft can be selectively replaced by a thimble for processing the piece; the material SKD φ 8 × 800mm or φ 8 × 420 is mounted on both sides.
M10, M8x30 and M6x16 used in the process all belong to finished products purchased, and 12.9-grade high-strength bolts are selected.
According to the technical scheme, the manufacturing precision requirement of the mounting base plate is high, all the benchmarks and the hexahedron are manufactured according to 6-level precision strictly, the technical requirements on parallelism, flatness, verticality and the like are smaller than the precision and size requirements of parts, and otherwise, qualified parts cannot be machined.
The utility model discloses a theory of operation: according to the principle of force and reaction. The X direction is used for clamping the 20mm positioning block and the cam locking plate, the key ring positioning baffle and the detachable hook locking block are used for clamping the Y direction, and the clamping force is enough to ensure that the part is not deformed. The surface roughness and the planeness of a part product are met by using a precise high-speed milling machine tool and a diamond face milling cutter to process an aluminum alloy plane; and (3) roughly milling various special-shaped front and back surfaces of a cavity in the part, and reserving 0.2-0.4 finish machining amount. After aging treatment according to the technical requirements, finishing positioning and finish machining of the product in the same clamping mode, and detecting to meet the design requirements of the product.
The device is provided with manual clamping, and deformation problems of materials in rough machining, semi-finish machining and finish machining are prevented by adopting different clamping formats according to different shapes. (considering that the deformation of the parts cannot be controlled by pneumatic and hydraulic chucking)
The utility model has the advantages that:
the device solves the plane processing problem, ensures the requirements of roughness, flatness and parallelism form and position tolerance, and solves the size requirement of thickness;
the device is designed according to the size and the structure of a product part, and is a clamping extrusion device which is designed aiming at processing nonferrous metals and can not be ground; the size of the device structure is determined according to the size of the part, and the extrusion clamp structure is novel and practical; positioning by adopting two benchmarks, extruding by a cam and eccentrically extruding by a hook type lever; the clamping is fast, and the disassembly is fast; the problem of peripheral dimension processing is solved at one time, the processing technical requirements can be met, and an ideal effect is achieved. The device not only is used in aluminum plate processing, and the device is also suitable for processing series such as some copper products, plastic slabs simultaneously, the unable material of work of electromagnetic chuck.
Drawings
Fig. 1 is the structure diagram of the plate part processing and clamping device of the utility model.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a side view of fig. 1.
Fig. 4 is a left side view of fig. 1.
Fig. 5 is a perspective view of fig. 1.
Figure 6 is the utility model discloses panel parts machining clamping device mounting plate structure chart.
Fig. 7 is a top view of fig. 6.
Fig. 8 is a side view of fig. 7.
Fig. 9 is a side view of fig. 6.
Fig. 10 is the positioning block composition of the plate part processing and clamping device of the present invention.
Fig. 11 is a side view of fig. 10.
Figure 12 is the utility model discloses panel parts machining clamping device key ring positioning baffle structure picture.
Fig. 13 is a side view of fig. 12.
Fig. 14 is the cam locking plate structure view of the plate part processing and clamping device of the utility model.
Fig. 15 is a side view of fig. 14.
Fig. 16 is the utility model discloses panel parts machining clamping device couple locking block composition.
Fig. 17 is a side view of fig. 16.
Fig. 18 is the utility model discloses panel parts machining clamping device couple round pin axle structure chart.
Fig. 19 is a side view of fig. 18.
In the figure, 1, an installation base plate, 2, a plate workpiece, 3, a base plate through hole, 4, a positioning block, 5, a cam locking plate, 6, a positioning block installation groove, 7, a screw hole of the positioning block installation groove, 8, a cam locking plate bolt hole, 9, a key ring positioning baffle, 10, a key hole type through hole, 11, a hook locking block, 12, a hook pin shaft, 11.1, a bent hook, 13, a locking groove, 11.2, a bending part, 14, a hook locking block screw through hole, 15 and a hook locking block locking screw.
Detailed Description
The present invention will be described with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
The embodiment is applied to the processing of the flatness, the thickness, the parallelism and the shape of the thin Aluminum (AL) plate part. The technical scheme adopted comprises the following steps: the mounting device comprises a mounting base plate 1, a thin aluminum plate placed on the upper part of the mounting base plate 1, an axial clamping and fixing mechanism connected to the mounting base plate 1, a radial clamping and fixing mechanism connected to the mounting base plate 1 and a fastening bolt; clamping and fixing the plate workpiece 2 on the mounting base plate 1 through an axial clamping and fixing mechanism and a radial clamping and fixing mechanism;
the mounting base plate 1 is of a rectangular structure, 6 base plate through holes 3 are arranged at equal distances at two ends of the mounting base plate 1 in the length direction, the 3 base plate through holes 3 at each end are distributed on the mounting base plate 1 in a longitudinal mode, and the mounting base plate 1 is fixedly connected to a machine tool workbench by screwing in the base plate through holes 3 through screws;
the mounting bottom plate 1 is processed by adopting a 920x248x80 rectangular material and 45# material through quenching and tempering HV 270-300;
the axial clamping and fixing mechanism comprises: the cam locking device comprises positioning blocks 4 arranged at two ends of a mounting base plate 1 and a cam locking plate 5 arranged at one side of the mounting base plate 1; the upper surface of the mounting base plate 1 is provided with a positioning block mounting groove 6 at one side close to the base plate through holes 3 at two ends respectively, the positioning block mounting grooves 6 are vertically distributed on the mounting base plate 1, a plurality of screw holes 7 are uniformly arranged in the positioning block mounting grooves 6 at equal intervals, and fastening screws are used for adjusting the position of the positioning block 4 in the mounting groove 6; 2 cam locking plate bolt holes 8 are respectively arranged at the positions, between the bottom plate through hole 3 and the positioning block mounting groove 6, of the two ends of the mounting bottom plate 1, positioning fastening screw through holes are formed in the cam locking plates 5, and the cam locking plates 5 are fastened through fastening screws in the cam locking plate bolt holes 8; one end of the mounting bottom plate 1 is positioned in a locating block mode, the other end of the mounting bottom plate is clamped in a cam locating plate mode, and the cam locking plate 5 with the eccentric stroke of 5mm and the X-direction locating block 4 react to clamp the workpiece 2, so that the axial clamping and fixing of the plate workpiece 2 are formed;
the size and the number of the through holes 3 of the bottom plate are 6x phi 15;
the width of the positioning block mounting groove 6 is 20mm, and the depth is 15 mm;
the size and number of the screw holes 7 in the positioning block mounting groove are 10xM 8;
the cam locking plate 5 is made of 45# material, and the plate material subjected to heat treatment HRC40-40 is subjected to linear cutting processing.
The diameter of a through hole of a positioning fastening screw on the cam locking plate 5 is phi 6.2;
the number of the screws in the cam locking plate bolt holes 8 is 2xM 6;
the cam locking plate 5 is arranged on the right side of the bottom plate when the front side of the part is machined, and is exchanged when the back side of the part is machined and is arranged on the left side of the bottom plate.
The radial clamping and fixing mechanism comprises: the key ring positioning baffle 9 is arranged on the side wall of one side of the mounting bottom plate 1 in the width direction, and the hook locking device is arranged on the side wall of the other side of the mounting bottom plate in the width direction; the mounting bottom plate 1 plays a role in clamping the workpiece through the blocking and leaning action of the key ring positioning baffle 9 and the lever action of the hook locking device, so that the radial clamping and fixing of the panel workpiece 2 are formed;
furthermore, a plurality of groups of key hole type through holes 10 are formed in the side wall of one side of the installation bottom plate 1, where the key ring positioning baffle plates 9 are installed, each group of key hole type through holes 10 is 4, the 4 key hole type through holes 10 are connected to form a square structure, one key ring positioning baffle plate 9 is respectively arranged on each group of key hole type through holes 10, and the key ring positioning baffle plates 9 are identical in size and specification, so that interchangeability is improved;
preferably, the keyhole-type through holes 10 on the installation bottom plate 1 are arranged into 4 groups, 16xM8 screws are used for installing the key ring positioning baffle 9 in the 4 groups of keyhole-type through holes, the key ring positioning baffle 9 is quickly disassembled in the keyhole-type through holes 10 in a one-mounting one-tightening mode, and the disassembly of the key ring can be completed without disassembling the screws;
the couple locking device be detachable structure, include: a hook locking block 11 and a hook pin 12; the hook locking block 11 is provided with an integrally formed bent hook 11.1, the bent hook 11.1 is hung on a hook pin shaft 12, the hook pin shaft 12 is arranged in the installation bottom plate 1 in a penetrating manner, 4 groups of locking grooves 13 are formed in the installation bottom plate 1, and the bent hook 11.1 is partially embedded in the locking grooves 13 and hooks the hook pin shaft 12; the upper part of a bent hook 11.1 of the hook locking block 11 is provided with a bent part 11.2 of R5, and the inner wall of the bent part 11.2 faces the top of an upper corner of the side wall of the mounting bottom plate 1; a screw through hole 14 is formed in the lower portion of the hook locking block 11, and a locking screw 15 penetrates through the screw through hole 14;
preferably, the number of the hook locking devices on the installation bottom plate 1 is 4;
the diameter of a bent hook 11.1 of the hook locking block 11 is the same as that of a hook pin shaft 12, and is phi 8;
the locking groove 13 is formed in the top end of the side wall of the mounting base plate 1, and the size of the locking groove is 20x 35 mm;
the diameter of a screw through hole 14 formed in the lower portion of the hook locking block 11 is phi 8.5, and a locking screw 15 in the screw through hole 14 is an M10 screw.
According to the lever principle, acting force and reacting force are applied; the center of the circle of the hook 11.1 is taken as a center point, the M10 screw is taken as a vertex, the center of the circle of the hook 11.1 is taken as a center rotation point, and the action on the upper part R5 is taken as a pressing point to complete the clamping action.
The device is provided with manual clamping, and deformation problems of materials in rough machining, semi-finish machining and finish machining are prevented by adopting different clamping formats according to different shapes. (considering that the deformation of the parts cannot be controlled by pneumatic and hydraulic chucking)
Meanwhile, the device is also suitable for processing series of copper materials, plastic plates and the like, materials which cannot work by the electromagnetic chuck, and part plates made of different materials are applied to embodiment 1 and can be used as other embodiments of the application.
Claims (10)
1. Panel parts machining clamping device, its characterized in that includes: the mounting device comprises a mounting bottom plate, a plate placed on the upper part of the mounting bottom plate, an axial clamping and fixing mechanism connected to the mounting bottom plate, a radial clamping and fixing mechanism connected to the mounting bottom plate and a fastening bolt; and the plate on the mounting bottom plate is clamped and fixed through the axial clamping and fixing mechanism and the radial clamping and fixing mechanism.
2. The plate part machining clamping device as claimed in claim 1, wherein: the mounting base plate is of a rectangular structure, a plurality of base plate through holes are arranged at equal distances at two ends of the length direction of the mounting base plate, the base plate through holes at each end are distributed on the mounting base plate in a longitudinal mode, and the mounting base plate is fixedly connected to a machine tool workbench through screws screwed into the base plate through holes.
3. The plate part machining clamping device as claimed in claim 1, wherein: the axial clamping and fixing mechanism comprises: the cam locking plate is arranged on one side of the mounting base plate; the upper surface of the mounting base plate is respectively provided with a positioning block mounting groove at one side close to the base plate through holes at two ends, the positioning block mounting grooves are vertically distributed on the mounting base plate, a plurality of screw holes are uniformly arranged in the positioning block mounting grooves at equal intervals, and the positioning block is used for adjusting the position of the positioning block in the mounting groove through fastening screws; the two ends of the mounting base plate are respectively provided with 2 cam locking plate bolt holes between the base plate through hole and the positioning block mounting groove, the cam locking plate is provided with a positioning fastening screw through hole, and the cam locking plate is fastened through a fastening screw in the cam locking plate bolt holes.
4. The plate part machining clamping device as claimed in claim 3, wherein: the width of the positioning block mounting groove is 20mm, and the depth of the positioning block mounting groove is 15 mm.
5. The plate part machining clamping device as claimed in claim 1, wherein: the radial clamping and fixing mechanism comprises: the key ring positioning baffle is arranged on the side wall of one side of the mounting bottom plate in the width direction, and the hook locking device is arranged on the side wall of the other side of the mounting bottom plate in the width direction; the installation bottom plate plays the role of clamping the workpiece through the blocking and leaning action of the key ring positioning baffle and the lever action of the hook locking device, so that the radial clamping and fixing of the plate workpiece are realized.
6. The plate part machining clamping device as claimed in claim 5, wherein: the key ring positioning baffle is characterized in that a plurality of groups of key hole type through holes are formed in the side wall of one side of the mounting bottom plate for mounting the key ring positioning baffle, the number of each group of key hole type through holes is 4, the 4 key hole type through holes are connected to form a square structure, a key ring positioning baffle is arranged on each key hole group, and the key ring positioning baffles are identical in size and specification.
7. The plate part machining clamping device as claimed in claim 5, wherein: the couple locking device be detachable structure, include: a hook locking block and a hook pin shaft; the hook locking block is provided with an integrally formed bent hook, the bent hook is hung on a hook pin shaft, the hook pin shaft is arranged in the mounting base plate in a penetrating manner, the mounting base plate is provided with a plurality of groups of locking grooves, and the bent hook is partially embedded in the locking grooves and hooks the hook pin shaft; the upper part of the bent hook of the hook locking block is provided with a bent part R5, and the inner wall of the bent part faces the top of the upper corner of the side wall of the mounting bottom plate; the lower part of the hook locking block is provided with a screw through hole, and a locking screw penetrates through the screw through hole.
8. The plate part machining clamping device as claimed in claim 7, wherein: the diameter of the bent hook of the hook locking block is the same as that of the hook pin shaft, and is phi 8.
9. The plate part machining clamping device as claimed in claim 7, wherein: the locking groove is formed in the top end of the side wall of the mounting bottom plate and is 20x 35mm in size.
10. The plate part machining clamping device as claimed in claim 7, wherein: the diameter of a screw through hole formed in the lower portion of the hook locking block is phi 8.5, and a locking screw in the screw through hole is an M10 screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020674762.0U CN212043657U (en) | 2020-04-28 | 2020-04-28 | Plate part machining and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020674762.0U CN212043657U (en) | 2020-04-28 | 2020-04-28 | Plate part machining and clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212043657U true CN212043657U (en) | 2020-12-01 |
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ID=73518297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020674762.0U Active CN212043657U (en) | 2020-04-28 | 2020-04-28 | Plate part machining and clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212043657U (en) |
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2020
- 2020-04-28 CN CN202020674762.0U patent/CN212043657U/en active Active
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