CN214560686U - Positioning and clamping device and turning positioning and locking device - Google Patents

Abstract

The utility model discloses a location clamping device and diversion location locking device, this location clamping device include roating seat and carousel, and the carousel sets up on the roating seat and can rotate for the roating seat, is equipped with the spout on the carousel, is equipped with the slider in the spout, is equipped with the distance adjustment spare that advances line location to the slider in the spout. The utility model discloses can adapt to the complicated technological requirement of work piece, the convenient work piece of treating carries out complicated position control and location.

Description

Positioning and clamping device and turning positioning and locking device

Technical Field

The utility model belongs to work piece clamping location field, concretely relates to location clamping device and diversion location locking device.

Background

During machining, the clamp is basically used, and common clamps such as a vice, a chuck and the like are used for clamping and positioning a workpiece to be machined.

However, the existing clamping mode is single, the clamping effect cannot be finished on some complex workpieces, the complex process requirements of workpiece processing cannot be met, and the complex position adjustment and positioning of the workpiece to be processed are inconvenient to carry out.

Disclosure of Invention

An object of the utility model is to provide a location clamping device and diversion location locking device, the utility model discloses can adapt to the complicated technological requirement of work piece, the convenient work piece of treating carries out complicated position control and location.

The utility model provides a location clamping device, including roating seat and carousel, the carousel sets up on the roating seat and can rotate for the roating seat, is equipped with the spout on the carousel, is equipped with the slider in the spout, is equipped with the distance adjustment spare that advances line location to the slider in the spout.

In one embodiment, a first circumferential positioning portion is arranged on the rotary seat, a second circumferential positioning portion is arranged on the rotary disk, and the first circumferential positioning portion corresponds to the second circumferential positioning portion.

In one embodiment, the first circumferential positioning portion is a positioning notch, the positioning notch is provided with a first positioning edge, a second positioning edge and a third positioning edge, the second positioning edge is located between the first positioning edge and the third positioning edge, and the first positioning edge is opposite to the third positioning edge; the first circumferential positioning parts are at least two and distributed on the periphery of the rotating seat.

In one embodiment, the rotary seat further comprises a clamping ring, the upper part of the rotary seat is divided by the positioning notch to form at least two protrusions, clamping platforms are arranged on the outer sides of the protrusions, and the clamping ring is sleeved on the clamping platforms.

In one embodiment, a pressure plate is further arranged above the rotating disc, the pressure plate is matched with the rotating seat, a yielding hole is formed in the pressure plate, and the sliding piece is exposed relative to the yielding hole.

In one embodiment, the edge of the pressure plate and the edge of the rotating seat are in fit connection through threads.

In one embodiment, a distance adjusting piece is arranged between the second circumferential positioning part and the first positioning edge and between the second circumferential positioning part and the third positioning edge.

In one embodiment, the distance adjusting piece comprises an adjusting seat, a first movable block, a second movable block and an adjusting bolt, wherein the first movable block is arranged on the adjusting seat, and a first guide rail and a first guide groove which are matched with each other are arranged between the first movable block and the adjusting seat; the adjusting bolt simultaneously penetrates through the second movable block and the adjusting seat, and the distance between the second movable block and the adjusting seat is adjusted through the adjusting bolt; the first movable block is provided with a first matching inclined plane, the second movable block is provided with a second matching inclined plane, and the first matching inclined plane is matched with the second matching inclined plane.

In one embodiment, the two distance adjusting members are provided on the rotary plate, and are respectively located on opposite sides of the sliding member.

In one embodiment, an arc-shaped concave platform is arranged on the inner side of the rotating seat, and the rotating disc is arranged in the arc-shaped concave platform and is in sliding fit with the arc-shaped concave platform.

In one embodiment, a first mounting groove and a second mounting groove which are communicated with the circumferential outer side face are formed in the rotating disc, a first sliding strip and a second sliding strip are respectively arranged in the first mounting groove and the second mounting groove, and the sliding groove is formed between the first sliding strip and the second sliding strip.

In one embodiment, the sliding member comprises a first sliding member and a second sliding member, the first sliding member and the second sliding member are fixed, two sliding lugs are arranged on two sides of the lower part of the first sliding member, and the two sliding lugs are respectively clamped on the lower parts of the first sliding strip and the second sliding strip; two sliding lugs are also formed on two sides of the lower part of the second sliding piece and are respectively clamped on the upper parts of the first sliding strip and the second sliding strip.

In one embodiment, the locking device further comprises a second connecting piece and a second locking piece, wherein a second connecting hole and a second locking hole are formed in the rotating seat, the second connecting hole is formed in the end portion of the rotating seat, the second locking hole is formed in the side portion of the rotating seat, and the second connecting hole is communicated with the second locking hole in the rotating seat; one end of the second connecting piece is arranged in the second connecting hole, the second locking piece is arranged in the second locking hole, and the second locking piece is matched with the second connecting piece in the second connecting hole and is locked with the rotary seat.

In one embodiment, the second locking element comprises a locking nail body and a pressing and holding block, the pressing and holding block penetrates through the second locking hole to be matched with the second connecting piece, and the locking nail body presses the pressing and holding block.

In one embodiment, the number of the second connecting pieces is at least two, the number of the holding blocks is at least four, the number of the locking nail bodies is at least two, and one second connecting piece, one locking nail body and two holding blocks form a group.

The utility model also provides a diversion location locking device, including diversion location latch fitting, support column and aforementioned location clamping device, the lower extreme of support column with the slider is connected, the upper end of support column with diversion location latch fitting is connected.

The utility model also provides a direction-changing positioning locking method,

a workpiece to be processed is arranged on the sliding piece;

the angle of the workpiece to be processed is adjusted by rotating the turntable in the rotating seat;

the horizontal position of the workpiece to be processed is adjusted by the sliding part moving horizontally in the sliding groove.

The utility model provides a technical scheme has following advantage and effect:

before treating the processing work piece and processing, will treat that the processing work piece is direct or indirect installs on the slider, through the carousel at the roating seat internal rotation, adjust and treat the angle of processing work piece at the horizontal plane, through the horizontal position of slider translation regulation treatment work piece in the spout, can treat the position and the orientation of processing work piece and carry out accurate regulation and fixed, the utility model discloses can satisfy the complicated processing technology requirement of treating the processing work piece.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles, principles and effects of the invention.

Unless otherwise specified or defined, the same reference numerals in different figures refer to the same or similar features, and different reference numerals may be used for the same or similar features.

Fig. 1 is a perspective view for clamping a workpiece to be machined by using the turning, positioning and locking device in the embodiment of the utility model;

FIG. 2 is a front elevational view of this FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a top view of FIG. 2;

FIG. 5 is an exploded view of FIG. 2;

fig. 6 is a perspective view of the positioning and clamping device according to the embodiment of the present invention;

fig. 7 is a cross-sectional view of the positioning and clamping device according to the embodiment of the present invention in a first direction;

fig. 8 is a cross-sectional view of the positioning and clamping device according to the embodiment of the present invention in a second direction;

fig. 9 is an exploded view of a connection structure of a rotary seat and a work table according to an embodiment of the present invention;

fig. 10 is a perspective view of a rotary base according to an embodiment of the present invention;

fig. 11 is a perspective view of a turntable according to an embodiment of the present invention;

fig. 12 is a perspective view of a platen according to an embodiment of the present invention;

fig. 13 is a schematic view illustrating the horizontal position adjustment of the sliding member according to the embodiment of the present invention;

fig. 14 is a schematic angle adjustment diagram of the turntable according to the embodiment of the present invention;

fig. 15 is an exploded view of a second configuration of a positioning and clamping device according to an embodiment of the present invention;

fig. 16 is a perspective view of a third structure of the positioning and clamping device according to the embodiment of the present invention;

fig. 17 is an exploded view of a third structure of the positioning and clamping device according to the embodiment of the present invention;

fig. 18 is a block diagram of a first slider according to an embodiment of the invention;

fig. 19 is a block diagram of a second slider according to an embodiment of the invention;

fig. 20 is a perspective view of a direction changing positioning lock in accordance with an embodiment of the present invention;

figure 21 is a top view of a direction changing positioning lock according to an embodiment of the present invention;

figure 22 is an elevational view of a direction changing positioning lock in accordance with an embodiment of the present invention;

figure 23 is a cross-sectional view of a direction-changing positioning lock in accordance with an embodiment of the present invention;

fig. 24 is a structural view of a locking seat according to an embodiment of the present invention;

fig. 25 is a block diagram of a lock collar according to an embodiment of the present invention;

fig. 26 is a second block diagram of a rotary head according to an embodiment of the present invention;

fig. 27 is a structural view of a rotary head according to an embodiment of the present invention;

fig. 28 is a schematic view of the connection between the locking socket and the support column according to the embodiment of the present invention;

fig. 29 is an exploded cross-sectional view of a second attachment structure for a support post in accordance with an embodiment of the present invention;

figure 30 is a cross-sectional view of a support post attachment according to an embodiment of the present invention;

fig. 31 is a cross-sectional view of the first/second/third locking elements according to an embodiment of the present invention;

FIG. 32 is a diagram illustrating a first type of connector according to an embodiment of the present invention;

FIG. 33 is a diagram illustrating a second embodiment of a connector according to the present invention;

FIG. 34 is a second block diagram of the embodiment of the present invention showing the locking of the connecting member with the locking member;

FIG. 35 is a view showing a structure of a distance adjusting member according to an embodiment of the present invention;

fig. 36 is a structural view of a distance adjusting base in the embodiment of the present invention;

fig. 37 is a diagram illustrating a structure of a first movable block according to an embodiment of the present invention;

fig. 38 is a diagram illustrating a structure of a second movable block according to an embodiment of the present invention;

description of reference numerals:

11. a workpiece to be processed, 12, a working table,

30. a direction-changing positioning lock piece is arranged,

31. a locking seat 311, a locking concave part 312, a first locking hole 313, a first positioning arc,

32. a rotating head 321, a fixing part 322, a ball head 3221, a positioning groove 323, a connecting rod 3231, a limit end head 324, a fourth connecting hole 325 and a positioning ring,

33. a lock disc 331, a locking surface 3311, a first mating spherical surface 3312, a second mating spherical surface 332, a second locking hole 333, a second positioning arc,

34. a locking member which is provided with a locking hole,

50. a support column for supporting the movable part of the movable part,

51. the splicing body is provided with a splicing body,

521. a first connecting member 522, a second connecting member 523, a third connecting member,

531. a first locking element, 532, a second locking element, 533, a third locking element,

541. a first connection hole, 542, a second connection hole, 543, a third connection hole,

551. a first locking hole, 552, a second locking hole, 553, a third locking hole,

561. a locking nail body 562, a pressing and holding block 5621, a nail hole 5622, a locking tooth 571, a limit convex column 572, a limit mounting hole 573, a transverse groove 581, a clamping end 582, a threaded end 583, a split fork 59, a positioning ring 591 and a positioning groove,

70. a positioning and clamping device is arranged on the base,

71. a rotating seat 711, a bulge 712, a clamping platform 713 and an external connecting thread,

72. a rotary table 721, a sliding chute 722, a first mounting groove 723, a first slide bar 724, a second mounting groove 725, a second slide bar 726, a loop platform 727, a slide bar positioning nail 728, a slide bar fixing nail,

731. a slider 7311, a first slider, 7312, a second slider, 7313, a third mounting groove, 7314, a fixing screw hole, 7315, a sliding lug, 7316, a fixing screw,

732. a snap ring is arranged on the outer side of the handle,

741. a first circumferential positioning part 7411, a first positioning edge 7412, a second positioning edge 7413, a third positioning edge 742, a second circumferential positioning part 7421, a pin hole 7422 and a positioning pin,

75. a pressure plate 751, a abdication hole 752, an arc concave table 753, an inner connecting screw thread,

90. the distance adjusting piece is arranged on the base plate,

91. a distance adjusting seat 911, a first guide rail 912 and a abdicating platform,

92. a first movable block 921, a first matching inclined plane 922, a first guide groove 923, a second guide groove,

93. a second movable block, 931, a second matching inclined plane, 932, a second guide rail, 933, a pillow block,

94. adjusting bolts, 95, adjusting screw holes.

Detailed Description

In order to facilitate an understanding of the invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.

Unless specifically stated or otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In combination with the present technical solution's realistic scene, all technical and scientific terms used herein may also have meanings corresponding to the purpose of realizing the technical solution of the present invention.

As used herein, unless otherwise specified or defined, "first" and "second" … are used merely for name differentiation and do not denote any particular quantity or order.

As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present.

As used herein, unless otherwise specified or defined, the terms "comprises," "comprising," and "comprising" are used interchangeably to refer to the term "comprising," and are used interchangeably herein.

It is needless to say that technical contents or technical features which are contrary to the object of the present invention or clearly contradict each other should be excluded.

As shown in fig. 1 to 5, the direction-changing positioning locking device includes a direction-changing positioning locking piece 30, a supporting column 50, and a positioning clamping device 70, wherein the positioning clamping device 70 is installed on the working table 12, the direction-changing positioning locking piece 30 is installed on the positioning clamping device 70 through the supporting column 50, and the workpiece 11 to be processed is installed on the direction-changing positioning locking piece 30.

Distance adjusting piece 90

As shown in fig. 35 to 38, the structure of the distance adjusting member 90 includes a distance adjusting base 91, two first movable blocks 92, a second movable block 93, and an adjusting bolt 94, wherein the two first movable blocks 92 are respectively disposed on two opposite sides of the distance adjusting base 91, a first guide groove 922 is disposed on the first movable block 92, a first guide rail 911 is disposed on the distance adjusting base 91, the first guide rail 911 is matched with the first guide groove 922, the adjusting bolt 94 simultaneously passes through the second movable block 93 and an adjusting screw hole 95 on the distance adjusting base 91, and the distance between the second movable block 93 and the distance adjusting base 91 is adjusted by the adjusting bolt 94; the first movable block 92 is provided with a first matching inclined surface 921, the second movable block 93 is provided with a second matching inclined surface 931, and the first matching inclined surface 921 is matched with the second matching inclined surface 931.

The first guide rail 911 arranged on the distance adjusting seat 91 is provided with two sections, an abdicating platform 912 is arranged between the two sections of the first guide rail 911, and the height of the abdicating platform 912 is lower than that of the first guide rail 911.

Be equipped with matched with second guide rail 932 and second guide slot 923 between first movable block 92 and the second movable block 93, promptly, second guide rail 932 is located on the second movable block 93, second guide slot 923 is located on first movable block 92. The included angles between the second guide rails 932 on both sides with respect to the adjusting bolt 94 are equal, but the inclination directions of the second guide rails 932 on both sides with respect to the adjusting bolt 94 are opposite. The distance between the two second guide rails 932 on the two sides of the second movable block 93 and the side close to the distance adjusting seat 91 is smaller than the distance between the two second guide rails 932 and the side far away from the distance adjusting seat 91.

A boss 933 is arranged on the second movable block 93, the rear end portion of the adjusting bolt 94 is arranged in the boss 933, an internal thread is arranged on the distance adjusting seat 91, an external thread is arranged at the front end portion of the adjusting bolt 94, and the external thread of the adjusting bolt 94 is matched with the internal thread of the distance adjusting seat 91. The angles of the first and second engagement inclined surfaces 921 and 931 to the axis of the adjustment bolt 94 are less than 45 degrees.

The distance between the second movable block 93 and the distance adjusting seat 91 can be adjusted by the adjusting bolt 94, the second movable block 93 is driven to move, and when the second movable block 93 moves, the distance between the first movable blocks 92 changes through the first matching inclined surface 921 and the second matching inclined surface 931. This structure can realize the arbitrary regulation of first movable block 92 position, and simple structure, and through the angle setting of first cooperation inclined plane 921, second cooperation inclined plane 931, can adjust the proportion that first movable block 92 migration distance and second movable block 93 migration distance between.

Be provided with first guide rail 911 and the first guide slot 922 of matched with between first movable block 92 and the distance adjustment seat 91, when removing between first movable block 92 and the distance adjustment seat 91, can not produce skew or crooked, and the location is more accurate, improves the precision of distance adjustment. Furthermore, the first guide rail 911 or the first guide groove 922 is provided with two sections, an abdicating platform 912 is arranged between the two sections of the first guide rail 911 or between the two sections of the first guide groove 922, and when the second movable block 93 moves, the abdicating platform 912 can give way for the second movable block 93 to increase the stroke of the second movable block 93.

Be provided with matched with second guide rail 932 and second guide slot 923 between second movable block 93 and the first movable block 92, when removing between second movable block 93 and the first movable block 92, can not produce skew or crooked, and the location is more accurate, improves the precision of distance adjustment. The included angles between the second guide rails 932 on both sides and the adjusting bolts 94 are equal and the inclination directions are opposite, and when the second movable block 93 moves, the first movable blocks 92 on both sides move in two opposite directions, respectively, so that the adjustable distance can be increased by times.

Direction-changing positioning locking piece 30

As shown in fig. 19 to 28, which are structural diagrams of a direction-changing positioning locking piece 30, the direction-changing positioning locking piece 30 includes a locking seat 31, a rotating head 32, a locking disc 33 and a locking piece 34, the locking seat 31 is provided with a locking recess 311, the rotating head 32 is disposed in the locking recess 311 and is engaged with the locking recess 311, the locking disc 33 is connected with the locking seat 31 through the locking piece 34, the inner side of the locking disc 33 is provided with a locking surface 331 engaged with the rotating head 32, and the rotating head 32 is provided with a fixing piece 321. The outer side of the periphery of the locking seat 31 is provided with a first positioning arc 313, the inner side of the locking disc 33 is provided with a second positioning arc 333, the first positioning arc 313 is matched with the second positioning arc 333, the locking disc 33 is positioned with the locking seat 31, and the locking disc 33 is prevented from being inclined or deviated.

The locking disc 33 forms a non-closed ring shape with respect to the locking seat 31 in a circumferential angular region of less than 180 degrees. The inner wall of the lock disk 33 has a first matching spherical surface 3311 and a second matching spherical surface 3312, the first matching spherical surface 3311 matches with the outer surface of the rotating head 32, the second matching surface matches with the upper surface of the lock seat 31, and the curvature of the first matching surface is greater than that of the second matching surface.

The locking seat 31 is provided with a plurality of first locking holes 312 on the circumferential outer side, and the plurality of first locking holes 312 are uniformly distributed on the locking seat 31. A second locking hole 332 is formed in the locking plate 33, and the locking member 34 is engaged with the first locking hole 312 and the second locking hole 332.

The second structure of the rotating head 32 is shown in fig. 26, the rotating head 32 includes a ball head 322 and a connecting rod 323, the ball head 322 is provided with a fourth connecting hole 324, the fourth connecting hole 324 forms a through hole on the ball head 322, the rear end of the connecting rod 323 is provided with a limit end 3231, after the connecting rod 323 passes through the fourth connecting hole 324, the limit end 3231 is limited, the ball head 322 is provided with a positioning groove 3221, a positioning ring 325 is arranged in the positioning groove 3221, and the connecting rod 323 passes through the positioning ring 325 and is precisely positioned by the positioning ring 325.

Before the workpiece 11 to be processed is processed, the workpiece 11 to be processed is mounted on the rotating head 32, the rotating head 32 is rotated relative to the locking seat 31, so that the angle of the workpiece 11 to be processed is adjusted, and after the angle is adjusted in place, the locking disc 33 and the locking seat 31 are locked and fixed through the locking piece 34, so that the angle of the workpiece 11 to be processed is finally fixed, and the workpiece 11 to be processed is conveniently processed.

Support column 50

As shown in fig. 24 to 30, a structure diagram of a supporting column 50 is shown, which includes a splicing body 51, a connector and a locking element, wherein two first connection holes 541 and two first locking holes 551 are formed in the splicing body 51, the first connection holes 541 are formed in two end portions of the splicing body 51, the first locking holes 551 are formed in two side portions of the splicing body 51, and the first connection holes 541 and the first locking holes 551 are communicated inside the splicing body 51; one end of the connector is installed in the first connection hole 541, the locking element is installed in the first locking hole 551, and the locking element is matched with one end of the connector located in the first connection hole 541.

The locking piece comprises a locking nail body 561 and a pressing block 562, a nail hole 5621 and locking teeth 5622 are arranged on the pressing block 562, the pressing block 562 penetrates through the first lock hole 551 to be matched with the first connecting piece 521, the locking nail body 561 penetrates through the nail hole 5621 and is matched with the pressing block 562, the locking nail body 561 compresses the pressing block 562, and a clamping end 581 on the connecting piece is clamped through the locking teeth 5622 on the pressing block 562. The first lock hole 551 penetrates through two sides of the splicing body 51, the pressing and holding block 562 comprises a first pressing block and a second pressing block, the first pressing block and the second pressing block are respectively installed from the first lock holes 551 on the two sides of the splicing body 51, and the locking nail body 561 is matched with the first pressing block and the second pressing block. Nail holes 5621 are formed in the first pressing block and the second pressing block, threads are formed in the inner wall of the connecting hole in the second pressing block, and the locking nail body 561 is matched with the threads of the second pressing block, penetrates through the nail holes 5621 of the first pressing block and the second pressing block and is matched with the threads of the second pressing block. The pressing block 562 is provided with a locking tooth 5622, and the pressing part is in pressing fit with the connecting piece. As shown in FIG. 34, the pressing block 562 can be designed in another structure, the locking teeth 5622 are arranged at the end of the pressing block 562 and are located at the periphery of the nail hole 5621, the structure is simpler, and in order to give way to the locking nail body 561, the middle part of the connecting piece is provided with a fork 583.

The splicing body 51 is provided with a limit mounting hole 572, the limit mounting hole 572 is communicated with the first lock hole 551, the locking element is provided with a transverse groove 573, the direction of the transverse groove 573 is the same as that of the first lock hole 551, and a limit convex column 571 is arranged in the transverse groove 573 and is abutted against the side wall of the transverse groove 573. The limiting convex column 571 passes through the limiting installation hole 572 and limits the sliding of the locking piece.

The structure of the connector is shown in fig. 32, and the connector may include two clamping ends 581, where the two clamping ends 581 are respectively installed in the first connection holes 541 of the two splicing bodies 51, and as shown in fig. 33, one end of the connector may also be the clamping end 581, and the other end thereof is a threaded end 582.

When the locking mode is adopted, two, three or more splicing bodies 51 can be adopted for splicing, the number of the splicing bodies 51 can be adjusted as required, and each splicing body 51 of the support column 50 can be locked according to the mode.

The locking mode can realize the locking between a plurality of splicing bodies 51 on the supporting column 50, the locking between the supporting column 50 and the positioning and clamping device 70, and the locking between the supporting column 50 and the direction-changing positioning and locking piece 30. Such as: in this embodiment, each splicing body 51 of the supporting column 50, the rotating seat 71 of the direction-changing positioning locking piece 30, and the locking seat 31 of the direction-changing positioning locking piece 30 are provided with a connecting hole and a locking hole, and the connecting holes connect corresponding connecting pieces. At this time, the names of the "first connector 521", "second connector", "third connector 523", "first connection hole 541", "second connection hole 542", "third connection hole 543", "first lock hole 551", "second lock hole 552", and "third lock hole 553" are distinguished for different connection portions, and the connection manner and principle are not different.

The closure is installed in first lockhole 551, and the connecting piece is installed in first connecting hole 541, and the closure is close to the position of connecting piece to accomplish the fixed to the connecting piece near the connecting piece through the closure, can fix the connecting piece on the concatenation body 51, and the connecting piece can splice with concatenation body 51 or other parts, also can fix the work piece, if will dismantle directly can through the unblock closure, so installation and use are comparatively convenient.

Positioning and clamping device 70

As shown in fig. 6 to 19, the positioning and clamping device 70 includes a rotary base 71 and a rotary plate 72, the rotary plate 72 is disposed on the rotary base 71 and can rotate relative to the rotary base 71, a sliding slot 721 is disposed on the rotary plate 72, and a sliding part 731 is disposed in the sliding slot 721.

The turntable 72 is provided with a first mounting groove 722 and a second mounting groove 724 communicated with the circumferential outer side surface, a first slide bar 723 and a second slide bar 725 are respectively arranged in the first mounting groove 722 and the second mounting groove 724, the first slide bar 723 and the second slide bar 725 are fixed through slide bar fixing nails 728 and are accurately positioned through slide bar positioning nails 727, and the sliding groove 721 is formed between the first slide bar 723 and the second slide bar 725. In order to ensure the matching precision, the first slide bar 723 and the second slide bar 725 can be made of wear-resistant materials and processed with high precision. Three first circumferential positioning portions 741 (i.e., positioning notches) are disposed on the rotating base 71, a pin hole 7421 is formed in the rotating plate 72, a positioning pin 7422 is disposed in the pin hole 7421, the positioning pin 7422 forms a second circumferential positioning portion 742, the first circumferential positioning portion 741 corresponds to the second circumferential positioning portion 742, each positioning notch has a first positioning edge 7411, a second positioning edge 7412 and a third positioning edge 7413, the second positioning edge 7412 is disposed between the first positioning edge 7411 and the third positioning edge 7413, and the first positioning edge 7411 is opposite to the third positioning edge 7413; the number of the first circumferential positioning portions 741 is at least two, and the first circumferential positioning portions are distributed around the rotating base 71.

The upper portion of the rotating base 71 is divided by the positioning notch to form a plurality of protrusions 711, a clamping platform 712 is arranged on the outer side of each protrusion 711, and a clamping ring 732 is arranged on the clamping platform 712 to ensure the circumferential matching precision of the rotating disc 72. A pressure plate 75 is further arranged above the rotating disc 72, a yielding hole 751 corresponding to the sliding groove 721 is arranged on the pressure plate 75, the sliding part 731 is exposed out of the yielding hole 751, a ring platform 726 is arranged on the circumferential outer edge of the pressure plate 75, and the ring platform 726 is clamped in the clamping ring 732. An arc-shaped concave platform 752 is arranged on the inner side of the rotating base 71, and the rotating disc 72 is arranged in the arc-shaped concave platform 752 and is in sliding fit with the arc-shaped concave platform 752.

Two distance adjusting pieces 90 are arranged in the sliding groove 721, and the two distance adjusting pieces 90 are respectively positioned on two opposite sides of the sliding piece 731; two distance adjusting pieces 90 are also provided in the positioning notch, and the two distance adjusting pieces 90 are respectively located on two opposite sides of the first circumferential positioning part 741.

The distance between the two first movable blocks 92 can be adjusted by the adjusting bolt 94, and thus the distance of the overall distance adjusting member 90 can be adjusted. When the two distance adjusting members 90 are disposed in the sliding slots 721, the position of the sliding member 731 can be adjusted steplessly, and when the two distance adjusting members 90 are disposed in the positioning notches, the rotation angle of the rotating plate 72 can be adjusted steplessly. In this embodiment, three first circumferential positioning portions 741 are adopted, which may respectively correspond to different angle ranges, or may be provided with an appropriate number of positioning notches as needed.

The rotating base 71 is provided with a second connecting hole 542 and a second locking hole 552, the second connecting hole 542 is formed in the end portion of the rotating base 71, the second locking hole 552 is formed in the side portion of the rotating base 71, and the second connecting hole 542 and the second locking hole 552 are communicated inside the rotating base 71; one end of the second connecting member 522 is mounted in the second connecting hole 542, the second locking element 532 is mounted in the second locking hole 552, and the second locking element 532 is engaged with the second connecting member 522 in the second connecting hole 542 to lock the second connecting member 522 to the rotary base 71. The lower end of the second connecting member 522 is mounted on the working table 12 through a threaded end 582, the upper end of the second connecting member 522 is provided with a clamping end 581, and the second locking member 532 locks the second connecting member 522 to realize the connection between the positioning and clamping device 70 and the working table 12.

A first connection hole 541 and a first lock hole 551 are arranged on the supporting column 50, the first connection hole 541 is arranged at the end of the supporting column 50, the first lock hole 551 is arranged at the side of the supporting column 50, and the first connection hole 541 and the first lock hole 551 are communicated inside the supporting column 50; one end of the first connecting member 521 is mounted in the first connecting hole 541, the first locking member 531 is mounted in the first locking hole 551, and the first locking member 531 and the first connecting member 521 are engaged in the first connecting hole 541, and the supporting column 50 is connected to the sliding member 731 through the first connecting member 521. The lower end of the first connecting piece 521 is connected with the sliding piece 731 of the positioning and clamping device 70 through the threaded end 582, the upper end of the first connecting piece 521 is provided with a clamping end 581, and the first locking piece 531 locks the first connecting piece 521 to realize the connection between the positioning and clamping device 70 and the supporting column 50. During the processing, the number of the splices 51 in the support column 50 can be selected, and the height of the support column 50 can be adjusted.

The locking seat 31 is provided with a third connecting hole 543 and a third locking hole 553, the third connecting hole 543 is arranged at the end of the locking seat 31, the third locking hole 553 is arranged at the side of the locking seat 31, and the third connecting hole 543 and the third locking hole 553 are communicated inside the locking seat 31; one end of the third connecting member 523 is installed in the third connecting hole 543, the third locking member 533 is installed in the third locking hole 553, and the third locking member 533 and the third connecting member 523 are engaged with each other in the third connecting hole 543 to lock the third connecting member 523 and the locking base 31. The two ends of the third connecting member 523 are respectively provided with a clamping end 581, the lower end of the third connecting member 523 is inserted into the first connecting hole 541, the first connecting member 521 is locked by the first locking member 531 to realize the connection between the third connecting member 523 and the supporting column 50, the upper end of the third connecting member 523 is inserted into the third connecting hole 543, and the upper end of the third connecting member 523 is locked by the third locking member 533 to realize the connection between the third connecting member 523 and the locking seat 31.

The angle of the workpiece 11 to be processed on the horizontal plane is adjusted by rotating the turntable 72 in the rotating base 71, the horizontal position of the workpiece 11 to be processed is adjusted by translating the sliding part 731 in the sliding slot 721, and after the angle of the horizontal plane of the workpiece 11 to be processed is adjusted to the right position, the positions between the first positioning edge 7411 and the third circumferential positioning edge and the second circumferential positioning part 742 are determined, so that the turntable 72 is prevented from rotating in the rotating base 71, and the purpose of positioning the workpiece 11 to be processed is achieved. The position and the orientation of the workpiece 11 to be processed can be accurately adjusted and fixed, and the complex processing technology requirement of the workpiece 11 to be processed can be met.

In order to improve the installation and positioning accuracy, two positioning grooves 591 are arranged at the bottom of the rotating seat 71, one positioning groove 591 is arranged on the sliding part 731, the positioning groove 591 is also arranged at the end part of the splicing body 51, the positioning groove 591 is arranged at the bottom of the locking seat 31, and all connected parts are positioned through the positioning ring 59 so as to ensure the connection accuracy, particularly the installation coaxiality.

In a second structure of the positioning and clamping device 70, as shown in fig. 15, an external connection thread 713 is arranged on the outer side of the upper portion of the rotating seat 71, an internal connection thread 753 is arranged on the inner side of the pressure plate 75, the relief hole 751 on the pressure plate 75 is circular, and after the pressure plate 75 is covered, the internal connection thread 753 is matched with the external connection thread 713 on the rotating seat 71 and presses the rotating disc 72.

As shown in fig. 16, 17, 18 and 19, a strip-shaped sliding slot 721 is disposed on the rotating disc 72, two ends of the sliding slot 721 have rounded corners so as to be engaged with the sliding part 731, the sliding part 731 includes a first slider 7311 and a second slider 7312, two sliding lugs 7315 are disposed on two sides of the lower portion of the first slider 7311, and the two sliding lugs 7315 are respectively engaged with the lower portions of the first sliding strip 723 and the second sliding strip 725; a third mounting groove 7313 is formed in the middle of the first slider 7311, the second slider 7312 is mounted in the third mounting groove 7313, fixing screw holes 7314 are formed in the first slider 7311 and the second slider 7312, the fixing screw 7316 passes through the fixing screw hole 7314 to fix the first slider 7311 and the second slider 7312, two sliding lugs 7315 are formed on both sides of the lower portion of the second slider 7312, and the two sliding lugs 7315 are respectively clamped on the upper portions of the first sliding strip 723 and the second sliding strip 725.

The above embodiments are intended to be illustrative, and should not be construed as limiting the scope of the invention, and the technical solutions, objects and effects of the present invention are described in full herein.

The above examples are not intended to be exhaustive list of the present invention, and there may be many other embodiments not listed. Any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.

Claims (16)

1. The positioning and clamping device is characterized by comprising a rotating seat and a rotary table, wherein the rotary table is arranged on the rotating seat and can rotate relative to the rotating seat, a sliding groove is formed in the rotary table, a sliding part is arranged in the sliding groove, and a distance adjusting part for positioning the sliding part is arranged in the sliding groove.

2. The positioning and clamping device as claimed in claim 1, wherein a first circumferential positioning portion is provided on the rotary base, and a second circumferential positioning portion is provided on the rotary plate, the first circumferential positioning portion and the second circumferential positioning portion corresponding to each other.

3. The positioning and clamping device according to claim 2, wherein the first circumferential positioning portion is a positioning notch, the positioning notch is provided with a first positioning edge, a second positioning edge and a third positioning edge, the second positioning edge is located between the first positioning edge and the third positioning edge, and the first positioning edge is opposite to the third positioning edge; the first circumferential positioning parts are at least two and distributed on the periphery of the rotating seat.

4. The positioning and clamping device as claimed in claim 3, further comprising a snap ring, wherein the upper portion of the rotating base is divided by the positioning notch to form at least two protrusions, a clamping table is arranged on the outer side of each protrusion, and the snap ring is sleeved on each clamping table.

5. The positioning and clamping device as claimed in claim 4, wherein a pressure plate is further arranged above the rotary table, the pressure plate is matched with the rotary seat, a yielding hole is formed in the pressure plate, and the sliding part is exposed relative to the yielding hole.

6. The positioning and clamping device as claimed in claim 5, wherein the edge of the pressing disc and the edge of the rotating seat are in fit connection through threads.

7. The positioning and clamping device as claimed in claim 3, wherein distance adjusting pieces are arranged between the second circumferential positioning portion and the first positioning edge and between the second circumferential positioning portion and the third positioning edge.

8. The positioning and clamping device as claimed in any one of claims 1 to 7, wherein the distance adjusting member comprises an adjusting seat, a first movable block, a second movable block and an adjusting bolt, the first movable block is mounted on the adjusting seat, and a first guide rail and a first guide groove which are matched with each other are arranged between the first movable block and the adjusting seat; the adjusting bolt simultaneously penetrates through the second movable block and the adjusting seat, and the distance between the second movable block and the adjusting seat is adjusted through the adjusting bolt; the first movable block is provided with a first matching inclined plane, the second movable block is provided with a second matching inclined plane, and the first matching inclined plane is matched with the second matching inclined plane.

9. The positioning and clamping device as claimed in any one of claims 1 to 7, wherein the two distance adjusting members are arranged on the rotary table and are respectively positioned on opposite sides of the sliding member.

10. The positioning and clamping device as claimed in any one of claims 1 to 7, wherein an arc-shaped concave platform is arranged on the inner side of the rotating seat, and the rotating disc is arranged in the arc-shaped concave platform and is in sliding fit with the arc-shaped concave platform.

11. The positioning and clamping device as claimed in any one of claims 1 to 7, wherein a first mounting groove and a second mounting groove which are communicated with the outer circumferential surface are formed on the rotary table, a first sliding strip and a second sliding strip are respectively arranged in the first mounting groove and the second mounting groove, and the sliding groove is formed between the first sliding strip and the second sliding strip.

12. The positioning and clamping device as recited in claim 11, wherein the sliding member comprises a first sliding member and a second sliding member, the first sliding member and the second sliding member are fixed, two sliding lugs are arranged on two sides of the lower portion of the first sliding member, and the two sliding lugs are respectively clamped on the lower portions of the first sliding strip and the second sliding strip; two sliding lugs are also formed on two sides of the lower part of the second sliding piece and are respectively clamped on the upper parts of the first sliding strip and the second sliding strip.

13. The positioning and clamping device according to any one of claims 1 to 7, further comprising a second connecting member and a second locking member, wherein the rotary base is provided with a second connecting hole and a second locking hole, the second connecting hole is formed in an end portion of the rotary base, the second locking hole is formed in a side portion of the rotary base, and the second connecting hole and the second locking hole are communicated with each other inside the rotary base; one end of the second connecting piece is arranged in the second connecting hole, the second locking piece is arranged in the second locking hole, and the second locking piece is matched with the second connecting piece in the second connecting hole and is locked with the rotary seat.

14. The positioning and clamping device as recited in claim 13, wherein said second locking element comprises a locking pin body and a clamping block, said clamping block is engaged with said second connecting element through said second locking hole, and said locking pin body clamps said clamping block.

15. The positioning and clamping device as claimed in claim 14, wherein the number of the second connecting members is at least two, the number of the pressing blocks is at least four, the number of the locking nail bodies is at least two, and one second connecting member, one locking nail body and two pressing blocks form a group.

16. The direction-changing positioning locking device is characterized by comprising a direction-changing positioning locking piece, a supporting column and the positioning clamping device of any one of the preceding claims, wherein the lower end of the supporting column is connected with the sliding piece, and the upper end of the supporting column is connected with the direction-changing positioning locking piece.

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