阅读说明：本技术 一种异形零件装夹工具 (Special-shaped part clamping tool ) 是由 赵宏平 陈文静 陈艳军 于 2020-05-11 设计创作，主要内容包括：一种异形零件装夹工具,包括机座、高度调节组件、平面调节组件、活动夹持件和边缘适应组件,高度调节组件和边缘适应组件两者相邻设置在机座上,平面调节组件包括相对垂直的横向调节单元和纵向调节单元,横向调节单元固定设置在机座位于高度调节组件的一端处,纵向调节单元固定连接有活动夹持件且与横向调节单元固定连接,活动夹持件置于高度调节组件上且朝边缘适应组件方向设置,活动夹持件具有与异形零件边缘适应调节的活动调节块。本发明内设置有多个适应性的调整组件,生产人员可根据异形零件的边缘形状对多个调整组件进行适应性调整,从而实现对异形零件的异形边缘进行夹紧、定位,操作简单,使用便捷。(The utility model provides a special-shaped part clamping instrument, which comprises a support, the altitude mixture control subassembly, the plane regulating assembly, activity holder and marginal adaptation subassembly, altitude mixture control subassembly and marginal adaptation subassembly both adjacent setting are on the frame, the plane regulating assembly includes relative vertically horizontal regulating element and vertical regulating element, the fixed one end department that is located the altitude mixture control subassembly at the frame that sets up of horizontal regulating element, vertical regulating element fixedly connected with activity holder and with horizontal regulating element fixed connection, the setting of height mixture control subassembly is arranged in on just towards marginal adaptation subassembly direction in to the activity holder, the activity holder has the activity regulating block who adjusts with special-shaped part marginal adaptation. The invention is internally provided with a plurality of adaptive adjusting components, and production personnel can adaptively adjust the plurality of adjusting components according to the edge shape of the special-shaped part, thereby realizing clamping and positioning of the special-shaped edge of the special-shaped part, and having simple operation and convenient use.)

1. The utility model provides a dysmorphism part clamping instrument which characterized in that: the adjustable clamping device comprises a base, a height adjusting assembly, a plane adjusting assembly, a movable clamping piece and an edge adapting assembly, wherein the height adjusting assembly and the edge adapting assembly are adjacently arranged on the base, the plane adjusting assembly comprises a transverse adjusting unit and a longitudinal adjusting unit which are vertically arranged relatively, the transverse adjusting unit is fixedly arranged at one end of the height adjusting assembly, the base is positioned at one end of the height adjusting assembly, the longitudinal adjusting unit is fixedly connected with the movable clamping piece and is fixedly connected with the transverse adjusting unit, the movable clamping piece is arranged on the height adjusting assembly and is arranged towards the edge adapting assembly, the movable clamping piece is provided with a movable adjusting block which is adapted and adjusted with the edge of a special-shaped part, and the height adjusting assembly, the transverse adjusting unit and the longitudinal adjusting unit adjust the height and the plane position of the movable clamping piece relative to the special-shaped part, the movable adjusting block on the movable clamping piece is matched with the edge adapting component to fix the edge of the special-shaped part.

2. The special-shaped part clamping tool according to claim 1, characterized in that: the height adjusting component comprises a fixed table and an adjusting screw rod, at least three corner parts of the fixed table are provided with threaded holes, one end of the adjusting screw rod is abutted to the surface of the base, the other end of the adjusting screw rod is in threaded connection with the threaded holes to adjust the fixed table relative to the height of the base, and the adjusting screw rod is located one end of the surface of the base is provided with a shifting piece for manual rotation.

3. The special-shaped part clamping tool according to claim 2, characterized in that: the surface of the base is provided with C-shaped clamping seats at positions corresponding to the adjusting screw respectively in a protruding mode, a C-shaped clamping groove is formed in the C-shaped clamping seat, the C-shaped clamping seat is provided with an opening facing the side of the base, the end portion of the adjusting screw and the adjusting piece are embedded in the C-shaped clamping groove, the shape of the adjusting piece corresponds to the shape of the C-shaped clamping groove, and part of the adjusting piece is exposed out of the opening of the C-shaped clamping seat so that the adjusting piece can be manually turned to rotate the adjusting piece and then the adjusting screw can adjust the height of the fixed table.

4. The special-shaped part clamping tool according to claim 1, characterized in that: the edge adaptation component comprises a fixed plate and a magnetic pole lifting unit, a pair of parallel supporting plates is vertically arranged at the position of the machine base, which is positioned on the edge adaptation component, the fixed plate is fixed on the supporting plates through fixing screws, the magnetic pole lifting unit comprises a fixed magnetic block and a plurality of movable positioning rods, the fixed magnetic block is fixed at the position of the machine base, which is positioned between the two supporting plates, the movable positioning rods uniformly and vertically penetrate through the fixed plate, a movable magnetic disk is arranged at one end, which is close to the fixed magnetic block, and the magnetic poles of the fixed magnetic block and the movable magnetic disk are the same,

when the special-shaped part is not placed on the fixed plate, the plurality of movable positioning rods are kept still with the fixed plate through the mutual repulsion between the fixed magnetic block and the movable magnetic disc,

when the special-shaped part is partially placed on the fixing plate and partially covers the movable positioning rod, the covered movable positioning rod moves towards the fixed magnetic block and reversely acts on the special-shaped part through the repulsive force between the fixed magnetic block and the movable magnetic disk to enable the special-shaped part and the special-shaped part to be kept static, and the uncovered movable positioning and special-shaped part is placed on part of the edge adaptive assembly to abut against.

5. The special-shaped part clamping tool according to claim 4, characterized in that: the side of the fixed magnetic block is provided with an L-shaped lock rod and is fixed with the base through a locking screw, a plurality of movable through holes are arranged on the fixed plate in an array mode, and each movable through hole correspondingly penetrates through the movable positioning rod.

6. The special-shaped part clamping tool according to claim 1, characterized in that: the horizontal adjusting unit is including fixed cover, horizontal thread bush, horizontal screw rod and horizontal rocking handle, the frame is located one end department of altitude mixture control subassembly is equipped with a plane perpendicularly and adjusts the supporting shoe, the both ends that the supporting shoe was adjusted to the plane are provided with respectively perpendicularly fixed cover, the plane is adjusted the supporting shoe and is located two be fixed with on the position between the fixed cover horizontal thread bush, horizontal screw rod is worn to establish respectively through fixed cover with horizontal thread bush, and both ends overlap respectively the cover be equipped with first elasticity buckle with fixed cover radial fixation, horizontal screw rod with horizontal thread bush threaded connection, the arbitrary one end of horizontal screw rod is fixed with horizontal rocking handle.

7. The special-shaped part clamping tool according to claim 6, characterized in that: the fixed connection part of the transverse threaded sleeve and the plane adjusting support block extends towards the plane adjusting support block to form an inverted U-shaped limit block, and the transverse threaded sleeve is embedded into the inverted U-shaped limit block through the plane adjusting support block to realize fixation of the transverse threaded sleeve and the plane adjusting support block.

8. The special-shaped part clamping tool according to claim 6, characterized in that: the longitudinal adjusting unit comprises a longitudinal thread sleeve, a longitudinal screw rod and a longitudinal rocking handle, the longitudinal thread sleeve is fixedly arranged on the transverse thread sleeve, the projections of the longitudinal thread sleeve and the transverse thread sleeve on the horizontal plane are perpendicular to each other, the longitudinal screw rod penetrates through the longitudinal thread sleeve and is in threaded connection with the longitudinal thread sleeve, one end, far away from the edge adapting assembly, of the longitudinal screw rod is fixedly provided with the longitudinal rocking handle, and the other end of the longitudinal screw rod is fixedly connected with the movable clamping piece through a connecting piece.

9. The special-shaped part clamping tool according to claim 8, characterized in that: the connecting piece is including square frame, rotation card axle and second elasticity buckle, square frame is fixed on the lateral surface of activity holder just be provided with the draw-in groove in the square frame, vertical screw rod does not set up the protruding one end department of vertical rocking handle is equipped with rotate the card axle, it sets up to rotate the card axle square frame the draw-in groove is interior and the cover is equipped with second elasticity buckle with the both sides of draw-in groove are supported and are leaned on fixedly, wave vertical rocking handle makes vertical screw rod is in along its axial displacement in the vertical thread bush and pass through rotate the embedding of card axle in the square frame the draw-in groove is with the drive the removal of activity holder.

10. The special-shaped part clamping tool according to any one of claims 1 to 9, characterized in that: the activity holder still includes U-shaped frame, a plurality of activity and presss from both sides the ball, the U-shaped frame is concave to be equipped with a U-shaped spacing groove, the both ends in U-shaped spacing groove are protruding to be equipped with respectively the activity regulating block, it is a plurality of the activity presss from both sides the ball and inlays in proper order to be put in the U-shaped spacing groove and with two the contact is supported by the activity regulating block to support, the top of U-shaped frame is provided with a cover the U-shaped lid in U-shaped spacing groove, two activity regulating block accessible is a plurality of power transmission between the activity presss from both sides the ball realizes to support with the adaptability at special-shaped parts edge and supports and lean on the contact.

Technical Field

The invention relates to the technical field of machining, in particular to a special-shaped part clamping tool.

Background

The part is a single piece which cannot be disassembled in a machine, is a basic unit in the machine manufacturing process, does not generally need an assembly process in the manufacturing process, and sometimes conventional parts cannot meet the use requirement, so that special-shaped parts are needed.

At present, along with the development of social industry, more and more special-shaped parts are put into production practice, the structure of the special-shaped parts is complex, the difference of the machining requirements of the special-shaped parts and standard parts is very large, effective clamping is difficult to realize by using a universal clamping part during machining, manual clamping is generally needed, the labor intensity is high, the auxiliary time for machining the parts is long, the production efficiency is low, and the situation that the parts slide or the clamping force is too large easily occurs, so that the structure of the parts is damaged occurs.

Therefore, how to simply and efficiently clamp the special-shaped part becomes a problem to be solved urgently in the part machining industry.

Disclosure of Invention

In view of this, the present invention provides a special-shaped part clamping tool, in which a plurality of adaptive adjustment assemblies are disposed, and a manufacturer can adaptively adjust the plurality of adjustment assemblies according to the edge shape of the special-shaped part, so as to clamp and position the special-shaped edge of the special-shaped part, and the clamping tool is simple in operation and convenient and fast to use.

In order to achieve the purpose, the invention adopts the technical scheme that:

a special-shaped part clamping tool comprises a machine base, a height adjusting assembly, a plane adjusting assembly, a movable clamping piece and an edge adapting assembly, wherein the height adjusting assembly and the edge adapting assembly are adjacently arranged on the machine base, the plane adjusting assembly comprises a transverse adjusting unit and a longitudinal adjusting unit which are vertically arranged relatively, the transverse adjusting unit is fixedly arranged at one end of the machine base, which is positioned on the height adjusting assembly, the longitudinal adjusting unit is fixedly connected with the movable clamping piece and is fixedly connected with the transverse adjusting unit, the movable clamping piece is arranged on the height adjusting assembly and is arranged towards the direction of the edge adapting assembly, the movable clamping piece is provided with a movable adjusting block which is adaptively adjusted with the edge of a special-shaped part, the height adjusting assembly, the transverse adjusting unit and the longitudinal adjusting unit adjust the height and the plane position of the movable clamping piece relative to the special-shaped part, the movable adjusting block on the movable clamping piece is matched with the edge adapting component to fix the edge of the special-shaped part.

Preferably, the height adjusting assembly comprises a fixed table and an adjusting screw rod, wherein at least three corners of the fixed table are provided with threaded holes, one end of the adjusting screw rod is abutted to the surface of the base, the other end of the adjusting screw rod is in threaded connection with the threaded holes to adjust the height of the fixed table relative to the base, and one end of the adjusting screw rod, which is located on the surface of the base, is sleeved with a shifting piece for manual rotation.

Preferably, the surface of the base is provided with a C-shaped clamping seat at a position corresponding to the adjusting screw, the C-shaped clamping seat is provided with a C-shaped clamping groove inside and an opening facing the side of the base, the end of the adjusting screw and the adjusting part are embedded in the C-shaped clamping groove, and the adjusting part is shaped to correspond to the C-shaped clamping groove and partially exposed out of the opening of the C-shaped clamping seat so as to be manually rotated to adjust the height of the fixed table by rotating the adjusting screw.

Preferably, the edge adaptive assembly comprises a fixing plate and a magnetic pole lifting unit, a pair of parallel supporting plates is vertically arranged at the position of the machine base, which is positioned on the edge adaptive assembly, the fixing plate is fixed on the supporting plates through fixing screws, the magnetic pole lifting unit comprises a fixed magnetic block and a plurality of movable positioning rods, the fixed magnetic block is fixed at the position of the machine base, which is positioned between the two supporting plates, the movable positioning rods uniformly and vertically penetrate through the fixing plate, a movable magnetic disc is arranged at one end, which is close to the fixed magnetic block, and the magnetic poles of the fixed magnetic block and the movable magnetic disc are the same,

when the special-shaped part is not placed on the fixed plate, the plurality of movable positioning rods are kept still with the fixed plate through the mutual repulsion between the fixed magnetic block and the movable magnetic disc,

when the special-shaped part is partially placed on the fixing plate and partially covers the movable positioning rod, the covered movable positioning rod moves towards the fixed magnetic block and reversely acts on the special-shaped part through the repulsive force between the fixed magnetic block and the movable magnetic disk to enable the special-shaped part and the special-shaped part to be kept static, and the uncovered movable positioning and special-shaped part is placed on part of the edge adaptive assembly to abut against.

Preferably, the side of the fixed magnetic block is provided with an L-shaped lock rod and is fixed with the base through a locking screw, a plurality of movable through holes are arranged on the fixed plate in an array manner, and each movable through hole is correspondingly penetrated with the movable positioning rod.

As preferred, the horizontal regulating unit is including fixed cover, horizontal thread bush, horizontal screw rod and horizontal rocking handle, the frame is located one end department of altitude mixture control subassembly is equipped with a plane perpendicularly and adjusts the supporting shoe, the both ends of plane regulation supporting shoe are provided with respectively perpendicularly fixed cover, the plane is adjusted the supporting shoe and is located two be fixed with on the position between the fixed cover horizontal thread bush, horizontal screw rod is worn to establish respectively through fixed cover with horizontal thread bush, and both ends are overlapped respectively and are equipped with first elasticity buckle with fixed cover radial fixation, horizontal screw rod with horizontal thread bush threaded connection, the arbitrary one end of horizontal screw rod is fixed with horizontal rocking handle.

Preferably, an inverted U-shaped limiting block extends from the fixed connection position of the transverse threaded sleeve and the plane adjusting support block towards the plane adjusting support block, and the transverse threaded sleeve is embedded into the inverted U-shaped limiting block through the plane adjusting support block to realize fixation of the transverse threaded sleeve and the plane adjusting support block.

Preferably, the longitudinal adjusting unit comprises a longitudinal thread sleeve, a longitudinal screw and a longitudinal rocking handle, the longitudinal thread sleeve is fixedly arranged on the transverse thread sleeve, projections of the longitudinal thread sleeve and the transverse thread sleeve on a horizontal plane are perpendicular to each other, the longitudinal screw penetrates through the longitudinal thread sleeve and is in threaded connection with the longitudinal thread sleeve, the longitudinal rocking handle is fixed at one end of the longitudinal screw, which is far away from the edge adapting assembly, and the other end of the longitudinal screw is fixedly connected with the movable clamping piece through a connecting piece.

Preferably, the connecting piece comprises a square frame, a rotating clamping shaft and a second elastic buckle, the square frame is fixed on the outer side surface of the movable clamping piece, a clamping groove is formed in the square frame, the rotating clamping shaft is convexly arranged at one end of the longitudinal screw rod, which is not provided with the longitudinal rocking handle, the rotating clamping shaft is embedded in the clamping groove of the square frame and sleeved with the second elastic buckle to be abutted against and fixed with two sides of the clamping groove, and the longitudinal rocking handle is shaken to enable the longitudinal screw rod to move in the longitudinal threaded sleeve along the axial direction of the longitudinal screw rod and be embedded into the clamping groove in the square frame through the rotating clamping shaft to drive the movable clamping piece to move.

Preferably, the movable clamping piece further comprises a U-shaped frame and a plurality of movable clamping balls, a U-shaped limiting groove is concavely arranged on the U-shaped frame, the two ends of the U-shaped limiting groove are respectively convexly provided with the movable adjusting blocks, the movable clamping balls are sequentially embedded in the U-shaped limiting groove and abutted against the movable adjusting blocks to be contacted, a cover is arranged at the top of the U-shaped frame, the U-shaped cover of the U-shaped limiting groove is covered, the movable adjusting blocks can pass through the movable clamping balls, and the movable clamping balls are adaptively abutted against the edges of the special-shaped parts.

Compared with the prior art, the special-shaped part clamping tool provided by the invention can firstly cover part of the movable positioning rods in the edge adapting assembly through the special-shaped part so that the uncovered movable positioning rods are adaptively adjusted and abutted and contacted with the edge shape of the special-shaped part, and then adjust the position of the movable clamping piece through adjusting the height adjusting assembly, the transverse adjusting unit and the longitudinal adjusting unit so that the movable adjusting block on the movable clamping piece can be abutted with the edge of the special-shaped part. Simultaneously, the transmission of power is pressed from both sides in a plurality of activities of activity regulating block accessible setting between the two to make activity regulating block can not place the edge at the part of edge adaptation subassembly to the special-shaped part and carry out adaptability adjustment, thereby cooperate with the activity locating lever of edge adaptation subassembly with special-shaped part centre gripping, location on this clamping instrument, easy operation, it is convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of a special-shaped part clamping tool provided by the invention;

FIG. 2 is an isometric view of a special-shaped part clamping tool provided by the invention;

FIG. 3 is a perspective view of the special-shaped part clamping tool for clamping polygonal parts according to the present invention;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a sectional perspective view taken along the line A-A in FIG. 4;

FIG. 7 is an enlarged view of portion B of FIG. 6;

FIG. 8 is an enlarged view of portion C of FIG. 6;

FIG. 9 is a schematic perspective view of the special-shaped part clamping tool provided by the present invention with the U-shaped cover removed when clamping a polygonal part;

FIG. 10 is an enlarged schematic view of portion D of FIG. 9;

fig. 11 is a perspective view of the special-shaped part clamping tool for clamping the annular part.

Reference numerals and component parts description referred to in the drawings:

1. a base; 2. special-shaped parts; 3. a movable adjusting block; 4. a fixed table; 5. adjusting the screw rod; 6. a threaded hole; 7. adjusting a shifting piece; 8. a C-shaped card seat; 9. a C-shaped clamping groove; 10. a fixing plate; 11. a support plate; 12. a set screw; 13. a fixed magnetic block; 14. a movable positioning rod; 15. an L-shaped locking lever; 16. locking the screw; 17. a movable through hole; 18. a movable magnetic disk; 19. fixing a sleeve; 20. a transverse threaded sleeve; 21. a transverse screw; 22. a transverse rocking handle; 23. a plane adjusting support block; 24. a first elastic buckle; 25. a limiting block; 26. a longitudinal thread bushing; 27. a longitudinal screw; 28. a longitudinal rocking handle; 29. a square frame; 30. rotating the clamping shaft; 31. a second elastic buckle; 32. a card slot; 33. a U-shaped frame; 34. a movable ball is clamped; 35. a U-shaped limiting groove; 36. a U-shaped cover.

Detailed Description

The technical solution of the present invention will be clearly and completely described by the following detailed description. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a special-shaped part clamping tool comprises a machine base 1, a height adjusting assembly, a plane adjusting assembly, a movable clamping piece and an edge adapting assembly. The height adjusting assembly and the edge adapting assembly are adjacently arranged on the stand 1, and the plane adjusting assembly comprises a transverse adjusting unit and a longitudinal adjusting unit which are vertically arranged relatively. The horizontal adjusting unit is fixedly arranged at one end, located on the height adjusting assembly, of the machine base 1, the vertical adjusting unit is fixedly connected with a movable clamping piece and is fixedly connected with the horizontal adjusting unit, the movable clamping piece is arranged on the height adjusting assembly and is arranged towards the edge adapting assembly, and the movable clamping piece is provided with a movable adjusting block 3 adapted to be adjusted with the edge of the special-shaped part 2. The height adjusting assembly, the transverse adjusting unit and the longitudinal adjusting unit respectively adjust the height and the plane position of the movable clamping piece relative to the special-shaped part 3. The movable adjusting block 3 on the movable clamping piece is matched with the edge adaptive component to fix the edge of the special-shaped part 2

Example one

Referring to fig. 3 to 10, the structure of each component in the clamping tool will be described in detail by taking clamping a polygonal part as an example in the present embodiment.

The height adjusting assembly comprises a fixed table 4 and an adjusting screw rod 5, wherein at least three corners of the fixed table 4 are provided with threaded holes 6, and in order to improve stability, the threaded holes 6 are preferably formed in four corners of the fixed table 4. The adjusting screw 5 is arranged perpendicular to the base 1, one end of the adjusting screw abuts against the surface of the base 1, the other end of the adjusting screw is in threaded connection with the threaded hole 6, and the adjusting screw 5 is rotated in the threaded hole 6 to adjust the height of the fixing table 4 relative to the base 1. Since the outer surface of the adjusting screw 5 is threaded and lubricating oil is applied thereto to improve the lubricating effect, it is inconvenient for a worker to manually rotate the adjusting screw 5. Therefore, the adjusting screw 5 is sleeved with an adjusting piece 7 for manual rotation at one end of the surface of the base 1.

Meanwhile, when the adjusting screw 5 is rotated by the rotating and shifting piece 7, because the end surface of the adjusting screw 5 is attached to the surface of the base 1, and one end of the adjusting screw is in threaded connection with the threaded hole 6, in order to prevent the adjusting screw 5 from deviating on the surface of the base 1 in the rotating process, the surface of the base 1 is respectively and convexly provided with a C-shaped clamping seat 8 at the position corresponding to the adjusting screw 5, so that the adjusting and shifting piece 7 and the adjusting screw 5 are both arranged in the C-shaped clamping seat 8 for limiting. Specifically, a C-shaped clamping groove 9 is formed in the C-shaped clamping seat 8, the C-shaped clamping seat 8 is provided with an opening facing the side of the base 1, and the end part of the adjusting screw rod 5 and the adjusting piece 7 are embedded in the C-shaped clamping groove 9. The shape of the adjusting and dialing member 7 corresponds to the shape of the C-shaped clamping groove 9 and is partially exposed out of the opening of the C-shaped clamping seat 8 so that the adjusting and dialing member 7 can be manually dialed to rotate the adjusting screw 5 to adjust the height of the fixed platform 4.

The edge adaptation assembly comprises a fixing plate 10 and a magnetic pole lifting unit. The machine base 1 is vertically provided with a pair of parallel supporting plates 11 at the position of the edge adapting assembly, and a fixing plate 10 is fixed on the supporting plates 11 through fixing screws 12. The magnetic pole lifting unit comprises a fixed magnetic block 13 and a plurality of movable positioning rods 14, the fixed magnetic block 13 is fixed at the position of the machine base 1 between the two supporting plates 11, and the side of the fixed magnetic block is provided with an L-shaped locking rod 15 and is fixed with the machine base 1 through a locking screw 16. A plurality of movable through holes 17 are densely arranged in an array on the fixing plate 10, a movable positioning rod 14 correspondingly penetrates through each movable through hole 17, and a movable magnetic disk 18 with the same magnetic pole as the fixed magnetic block 13 is arranged at one end of each movable positioning rod 14 close to the fixed magnetic block 13, so that mutual repulsion is provided between the fixed magnetic block 13 and the movable magnetic disks 18.

When the special-shaped part 2 is not placed on the fixed plate 10, the plurality of movable positioning rods 14 are kept still with the fixed plate 10 by the repulsive force between the fixed magnetic blocks 13 and the movable magnetic disk 18. When the special-shaped part 2 is placed on the clamping tool, part of the special-shaped part 2 is placed on the fixing table 4 of the height adjusting assembly, part of the special-shaped part 2 is placed on the fixing plate 10 and covers part of the movable positioning rod 14, the covered movable positioning rod 14 moves towards the fixed magnetic block 13, the covered movable positioning rod 14 acts on the special-shaped part 2 in the opposite direction through the repulsive force between the fixed magnetic block 13 and the movable magnetic disc 18 and offsets with the gravity of the special-shaped part, so that the movable positioning rod 14 and the special-shaped part 2 are kept static, meanwhile, the stress of the special-shaped part in the vertical direction is not required to be uniform, and the special-shaped part is only clamped in the horizontal direction. The uncovered movable positioning rods 14 abut against part of the edge of the special-shaped part 2 placed on the edge adapting assembly, so that the edge shape of the special-shaped part 2 can be adaptively adjusted by the plurality of movable positioning rods 14.

The transverse adjusting unit comprises a fixed sleeve 19, a transverse threaded sleeve 20, a transverse screw 21 and a transverse rocking handle 22. One end of the machine base 1, which is positioned at the height adjusting component, is vertically provided with a plane adjusting supporting block 23, and two ends of the plane adjusting supporting block 23 are respectively and vertically provided with a fixed sleeve 19. The plane adjusting support block 23 is fixed with a transverse threaded sleeve 20 at a position between the two fixed sleeves 19. The transverse screw 21 respectively penetrates through the fixing sleeve 19 and the transverse threaded sleeve 20, the two ends of the transverse screw are respectively sleeved with a first elastic buckle 24 to be radially fixed with the fixing sleeve 19, the transverse screw 21 is in threaded connection with the transverse threaded sleeve 20, and a transverse rocking handle 22 is fixed at any end of the transverse screw 21. In order to prevent the transverse screw 21 from deviating or falling off between the transverse threaded sleeve 20 and the plane adjusting support block 23 during the rotation process, an inverted U-shaped limit block 25 extends from the fixed connection position of the transverse threaded sleeve 20 and the plane adjusting support block 23 towards the plane adjusting support block 23, and the transverse threaded sleeve 20 is embedded into the inverted U-shaped limit block 25 through the plane adjusting support block 23 to realize the limit fixation of the two.

The longitudinal adjustment unit comprises a longitudinal threaded sleeve 26, a longitudinal threaded rod 27 and a longitudinal rocking handle 28. The longitudinal thread bush 26 is fixedly arranged on the transverse thread bush 20 and the projections of the two on the horizontal plane are perpendicular to each other. The longitudinal screw 27 penetrates through the longitudinal thread sleeve 26 and is in threaded connection with the longitudinal thread sleeve, a longitudinal rocking handle 28 is fixed at one end of the longitudinal screw 27, which is far away from the edge adapting assembly, and the other end of the longitudinal screw is fixedly connected with the movable clamping piece through a connecting piece. The connecting piece comprises a square frame 29, a rotary clamping shaft 30 and a second elastic buckle 31, wherein the square frame 29 is fixed on the outer side surface of the movable clamping piece, a clamping groove 32 is formed in the square frame 29, the rotary clamping shaft 30 is convexly arranged at one end of the longitudinal screw 27, which is not provided with the longitudinal rocking handle 28, the rotary clamping shaft 30 is embedded in the clamping groove 32 of the square frame 29, and two sides of the second elastic buckle 31 and the clamping groove 32 are abutted and fixed. Rocking the longitudinal rocking handle 28 causes the longitudinal screw 27 to move axially within the longitudinal threaded sleeve 26 and to engage a catch 32 in the square frame 29 by rotating the catch shaft 30 to drive the movable clamp to move.

The movable clamping piece further comprises a U-shaped frame 33 and a plurality of movable clamping balls 34, a U-shaped limiting groove 35 is concavely arranged on the U-shaped frame 33, movable adjusting blocks 3 are convexly arranged at two ends of the U-shaped limiting groove 35 respectively, the movable clamping balls 34 are sequentially embedded in the U-shaped limiting groove 35 and abut against and contact with the two movable adjusting blocks 3, a U-shaped cover 36 covering the U-shaped limiting groove 35 is arranged at the top of the U-shaped frame 33, and the two movable adjusting blocks 3 can abut against and contact with the edge of the special-shaped part 2 through force transmission among the movable clamping balls 34.

The specific clamping engineering is as follows:

firstly, the height of the fixing table 4 is adjusted according to the thickness and the machining height of the special-shaped part 2 to be clamped. The staff manually rotates the adjusting pieces 7 at the ends of the adjusting screws 5 in turn to adjust each adjusting screw 5, thereby adjusting the height of the fixed table 4 relative to the surface of the machine base 1. Because the adjusting screw 5 is in threaded connection with the threaded hole 6 on the fixed platform 4 and has a self-locking function, the fixed platform 4 can stop rotating the adjusting screw 5 after being adjusted to a proper height, and the fixed platform 4 can keep the height unchanged based on the self-locking function between the adjusting screw 5 and the threaded hole 6.

Secondly, the special-shaped part 2 is placed on the clamping tool, and the special-shaped part 2 is partially placed on the height-adjusted fixing table 4 and partially placed on the fixing plate 10 of the edge adaptive assembly. Since the fixing plate 10 is densely arrayed with a plurality of movable positioning rods 14, when the special-shaped part 2 is placed on the fixing plate 10, the covered movable positioning rods 14 move downwards, and the uncovered movable positioning rods 14 correspond to and abut against the edge shape of the special-shaped part 2. The movable positioning rod 14 moving downwards has the same magnetic pole as the movable magnetic disk 18 on the end part and the fixed magnetic block 13 at the bottom, so that the repulsive force between the fixed magnetic block 13 and the movable magnetic disk 18 acts in the opposite direction on the special-shaped part 2 in the downward movement process, and the covered movable positioning rod 14 and the special-shaped part 2 are kept still.

Thereafter, the relative position of the movable clamp with respect to the profiled element 2 is adjusted by means of the transverse adjustment unit and the longitudinal adjustment unit. The operator can rock the transverse crank 22 and the longitudinal crank 28 simultaneously so that the transverse screw 21 rod and the longitudinal screw 27 move axially simultaneously in the transverse threaded bush 20 and the longitudinal threaded bush 26, so that the movable clamp can move transversely and longitudinally in the plane to adjust the position relative to the profiled element 2. The threaded connection between the longitudinal screw 27 and the longitudinal thread bush 26, and between the transverse screw 21 and the transverse thread bush 20 has a self-locking function, so that the position of the movable clamping piece can be kept unchanged.

Further, the movable adjusting block 3 on the movable clamping piece is in contact with the edge of the special-shaped part 2, and meanwhile, the movable adjusting block is adjusted according to the shape of the edge of the special-shaped part 2, and the movable adjusting block and the special-shaped part are abutted through force transmission among the plurality of movable clamping balls 34 arranged in the U-shaped limiting groove 35 and the edge of the special-shaped part 2. Finally, the longitudinal rocking handle 28 is shaken to drive the longitudinal screw 27 to move, so that the movable adjusting block 3 on the movable clamping piece is further abutted against the edge of the special-shaped part 2, and is matched with a plurality of movable positioning rods 14 abutted against the edge of the special-shaped part 2 in the edge adapting assembly to lock and fix the special-shaped part 2 on the clamping tool.

Example two

Referring to fig. 11, this embodiment is a schematic structural view of clamping a circular ring-shaped part on the clamping tool, and the rest of the structure is the same as that in the first embodiment.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.