CN113427121B

CN113427121B - Indexing support device

Info

Publication number: CN113427121B
Application number: CN202110774077.4A
Authority: CN
Inventors: 闵飞虎; 彭维勇; 杨东恒; 曾超峰; 刘志峰
Original assignee: Guangdong Original Point Intelligent Technology Co Ltd
Current assignee: Guangdong Original Point Intelligent Technology Co Ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2023-04-18
Anticipated expiration: 2041-07-08
Also published as: CN113427121A

Abstract

The invention discloses an indexing supporting device which comprises a base, a linear driver arranged on the base, a position adjusting structure and a locking structure, wherein the linear driver is arranged on the base; the output end of the linear driver is upwards arranged and provided with a riding wheel supporting structure; and a distance measuring sensor which faces downwards vertically is arranged above the supporting structure of the riding wheel. The indexing support device provided by the invention can assist in the indexing positioning of the cylindrical workpiece, supports the two ends of the mandrel and adjusts the front and rear positions and the height of the mandrel, so that the axial position of the mandrel is superposed with the axial position of the indexing center to realize the radial positioning of the mandrel, the influence of the gravity of the mandrel and the workpiece on the indexing positioning is eliminated, the indexing center and the tail center can be concentrated on the axial positioning of the mandrel, and the indexing support device always supports the mandrel and the long cylindrical workpiece in a follow-up manner during the processing of the workpiece and the indexing rotation of the workpiece without interfering the rotation of the long cylindrical workpiece.

Description

Indexing support device

Technical Field

The invention relates to the technical field of part processing, in particular to an indexing support device.

Background

The laser processing has the characteristics of high precision, rapid cutting, no limitation to cutting patterns, smooth cut and the like, and is also utilized for the indexing processing of the long cylindrical workpiece. During indexing processing, a long cylindrical workpiece is generally clamped by an indexing chuck and a tail tip, the long cylindrical workpiece is sleeved on a mandrel, the indexing chuck clamps one end part of the mandrel, the tail tip props against the other end part of the mandrel, an indexer on the indexing chuck equally divides the circumference of the long cylindrical workpiece into angles according to set parameters, and the indexing chuck drives the mandrel and the workpiece to rotate by one angle, so that the laser head performs local cutting processing on the workpiece. The existing indexing chuck is mainly in a three-jaw chuck or four-jaw chuck form, on one hand, a clamping jaw of the indexing chuck can jointly cause certain clamping deformation to a mandrel, on the other hand, the mandrel and a workpiece form a vertical downward component force due to heavier mass, and a certain offset can be generated after the mandrel is clamped by the indexing chuck, so that the coaxiality of the mandrel, the indexing chuck and a tail tip is influenced, the circular runout of the mandrel is large, and the machining position precision is influenced. Therefore, the indexing positioning method for the long cylindrical workpiece is innovatively designed, the indexing support device is hopefully utilized to support the two ends of the mandrel, the influence of the gravity of the mandrel and the workpiece on indexing axial positioning is eliminated, the mandrel is positioned through the indexing tip and the tail tip, and positioning deviation of the mandrel is reduced.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide an indexing support device for supporting two ends of a mandrel, so as to radially position the mandrel and eliminate the influence of the gravity of the mandrel and a workpiece on the axial positioning of the mandrel.

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

an indexing support device comprises a base, a linear driver arranged on the base, a position adjusting structure and a locking structure; the output end of the linear driver is upwards arranged and provided with a riding wheel supporting structure; a distance measuring sensor which faces downwards vertically is arranged above the supporting structure of the riding wheel; the position adjusting structure is used for adjusting the front and back positions of the linear driver; the locking structure is used for locking the position of the base on the guide rail, and the supporting wheel supporting structure is used for supporting the mandrel.

The position adjusting structure comprises a base plate, a pressing block, a pressing plate and a mounting groove formed in the top surface of the base; the mounting groove extends along the fore-and-aft direction, backing plate, linear actuator, briquetting are installed in the mounting groove from the past backward in proper order, the inner wall of mounting groove is hugged closely to the preceding terminal surface of backing plate, the clamp plate is used for promoting the briquetting, makes linear actuator compress tightly on the backing plate.

The cross section of the pressing block is a right trapezoid, and an inclined plane where the inclined side of the right trapezoid is located is a first positioning matching surface; the cross section of clamp plate is equilateral trapezoid, one of them inclined plane of clamp plate is the second location fitting surface of mutually supporting with first location fitting surface, another inclined plane of clamp plate is for blockking the face, set up the guide draw-in groove with clamp plate shape looks adaptation on the top surface of base, the clamp plate is installed in the guide draw-in groove, and the inner wall of guide draw-in groove is hugged closely to the face that blocks of clamp plate.

The guide clamping grooves are two, the mounting groove is located between the two guide clamping grooves, the bottom surface of each guide clamping groove is provided with a threaded hole, the pressing plate is provided with countersunk holes which are the same in number as the threaded holes and correspond to the threaded holes one by one, the countersunk holes of each pressing plate penetrate through an adjusting screw from top to bottom respectively, and the bottom end of each adjusting screw is screwed into the corresponding threaded hole respectively.

The supporting structure of the supporting wheel comprises a support and two supporting wheels which are symmetrically arranged in front and back and can be rotationally arranged on the support, the axes of the two supporting wheels are horizontally arranged and have the same height, and the wheel surface of one supporting wheel faces the wheel surface of the other supporting wheel.

The base comprises a bottom plate and an L-shaped limiting block arranged at the bottom of the bottom plate, and the L-shaped limiting block and the bottom plate enclose a C-shaped clamping opening.

The locking structure comprises at least one through hole which obliquely penetrates through the bottom plate, a T-shaped bolt penetrates through the bottom end of each through hole from bottom to top, and a locking nut is screwed into the threaded end of each T-shaped bolt.

The upper surface of the bottom plate is provided with a V-shaped groove used for containing a locking nut, the V-shaped groove is communicated with the through hole, and the locking nut can be pressed on the inclined surface of the V-shaped groove in a propping mode.

Distance measuring sensor passes through height adjusting subassembly and is connected with the base, height adjusting subassembly is equipped with the adjustment branch that can reciprocate on the horizontal part of this support arm including the support arm and adjustment branch and the locking screw of falling the L shape, distance measuring sensor installs on adjustment branch, adjustment branch passes through locking screw to be fixed on the support arm.

The linear driver is a hydraulic oil cylinder.

Has the advantages that:

the indexing support device provided by the invention can assist in indexing and positioning cylindrical workpieces, supports two ends of the mandrel, adjusts the front and back positions of the mandrel through the position adjusting structure and drives the riding wheel support structure to lift the mandrel through the linear driver, so that the axial position of the mandrel is overlapped with the axial line of the indexing center to realize radial positioning of the mandrel, the influence of the gravity of the mandrel and the workpieces on the axial positioning of the mandrel is eliminated, the indexing center and the tail center can be concentrated on the axial positioning of the mandrel, and when the workpieces are machined and rotate in an indexing way, the indexing support device always supports the mandrel and the cylindrical workpieces in a follow-up way without interfering the rotation of the cylindrical workpieces.

Drawings

Fig. 1 is a first perspective view of an indexing support device provided by the present invention.

Fig. 2 is a second perspective view of the indexing support device provided by the present invention.

Fig. 3 is a first schematic view of the operation of the indexing support device provided by the invention.

Fig. 4 is a second schematic view of the operation of the indexing support device provided by the present invention.

Description of the main element symbols: 91-base, 911-bottom plate, 912-L-shaped limited block, 913-C-shaped clamping opening, 92-linear driver, 93-position adjusting structure, 931-pad, 932-press block, 9321-first positioning matching surface, 933-press plate, 9331-second positioning matching surface, 9332-blocking surface, 934-installation groove, 935-guide clamping groove, 936-adjusting screw, 937-countersunk hole, 94-locking structure, 941-T bolt, 942-locking nut, 943-V groove, 95-supporting wheel supporting structure, 951-support, 952-supporting wheel, 961-distance measuring sensor, 963-inverted L-shaped support arm, 963-adjusting support rod, 964-locking screw, 1-clamping head mechanism, 2-positioning component, 3-indexing tip, 4-mandrel, 41-first supporting section, 42-second supporting section, 51-tailstock, 52-tip, 6-tail, 61-guide rail, 62-T, 63-sliding groove, 7-laser head groove and 8-driving device.

Detailed Description

The present invention provides a graduation supporting device, and in order to make the objects, technical schemes and effects of the present invention clearer and clearer, the present invention is further described in detail below by referring to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.

Herein, the directions indicated by the arrows in fig. 1 and 3 are "front", "front" and "rear" in opposite directions, and the lateral direction is the extending direction of the guide rail 61 on the bed 6.

Referring to fig. 1 and 2, the present invention provides an indexing support device, which includes a base 91, a linear actuator 92 disposed on the base 91, a position adjustment structure 93, and a locking structure 94; the output end of the linear driver 92 is arranged upward and is provided with a riding wheel supporting structure 95; a distance measuring sensor 961 which faces downwards vertically is arranged above the supporting wheel supporting structure 95; the position adjusting structure 93 is used to adjust the front-rear position of the linear actuator 92.

In practical application, as shown in fig. 3 and 4, the indexing support device 9 is mounted on the bed 6, the bed 6 is provided with the guide rail 61 extending along the transverse direction, the base 91 is slidably connected with the guide rail 61, and the base 91 is locked in position on the guide rail 61 through the locking structure 94; the lathe bed 6 is also provided with a driving device 8 and a tail stock 51 which are in sliding connection with the lathe bed, the driving device 8 is in driving connection with the indexing tip 3, and the tail stock 51 is provided with a tail tip 52. The long cylindrical workpiece 10 needs to be clamped on the mandrel 4, and the mandrel 4 comprises a clamping section, a first supporting section 41, a positioning shoulder, a workpiece mounting section and a second supporting section 42 which are connected in sequence. The long cylindrical workpiece 10 firstly passes through the second bearing section 42 of the secondary mandrel 4, then is sleeved on the workpiece mounting section, and finally the positioning component 2 pushes the long cylindrical workpiece 10 on the positioning shaft shoulder to complete the positioning of the long cylindrical workpiece.

In order to ensure that the mandrel 4 is horizontally placed, the first bearing section 41 and the second bearing section 42 of the mandrel 4 should be respectively supported by one indexing support device 9, the two indexing support devices are located between the indexing tip 3 and the tail tip 52, and according to the length of the mandrel 4, a worker moves the indexing support device 9 transversely to a proper position, so that the supporting wheel support structures 95 on the two indexing support devices 9 respectively support the first bearing section 41 and the second bearing section 42 of the mandrel 4, and then the position of the base 91 on the guide rail 61 is locked through the locking structure 94, and since the heights of the two groups of supporting wheel structures 95 are the same in an initial state, the mandrel 4 is placed behind the supporting wheel support structures 95, and the axis of the mandrel 4 is parallel to the horizontal direction (namely, the axis of the mandrel 4 is also parallel to the axis of the indexing tip 3), if the front-back position of the axis of the mandrel 4 is not consistent with the axis of the indexing tip 3, the front-back position of the linear driver 92 is adjusted through the position adjusting structure 93, so as to adjust the front-back positions of the supporting wheel support structures 95 and the front-back position of the supporting wheels 4. When the front and back positions of the axis of the mandrel 4 are consistent with the axis of the indexing center 3, the linear driver 92 drives the riding wheel supporting structure 95 to vertically move upwards, and meanwhile, the distance measuring sensor 961 monitors the distance between the mandrel 4 and the linear driver 92 in real time and feeds the distance back to the control system, and because the shaft diameters of the first supporting section 41 and the second supporting section 42, the height of the axis of the indexing center 3 and the initial height of the riding wheel supporting structure 95 are known, the control system can automatically calculate the current height of the axis of the mandrel 4 according to feedback data, so that the two linear drivers 92 are controlled to synchronously move, the riding wheel supporting structure 95 is driven to lift the mandrel 4 to the height consistent with the height of the axis of the indexing center 3, and the radial positioning operation of the mandrel is completed.

Finally, under the mutual matching of the indexing tip 3 and the tail tip 52, the indexing tip 3 and the tail tip 52 respectively support against one end of the mandrel 4, the positioning deviation of the mandrel 4 is greatly reduced, the mandrel 4, the indexing tip 3 and the tail tip 52 are in the same coaxiality, the axial positioning of the mandrel 4 and a workpiece is realized more accurately, and the accuracy of the laser processing position is ensured. After the positioning is finished, the indexing center 3 and the mandrel 4 can be quickly connected through the chuck mechanism 1, the mandrel 4 rotates along with the indexing center 3 in an indexing manner, and under the auxiliary support of the indexing supporting device 9, the chuck mechanism 1 only plays a role in transmitting rotation energy and cannot be influenced by the gravity of the mandrel 4 and a workpiece to destroy the connection positioning effect.

Compared with the prior art, the indexing support device 9 provided by the invention can assist in indexing positioning of the long cylindrical workpiece 10, the indexing support device 9 supports two ends of the mandrel 4, the front and back positions of the mandrel 4 are adjusted through the position adjusting structure, and the supporting wheel support structure is driven by the linear driver 92 to lift the mandrel 4, so that the axis position of the mandrel 4 is superposed with the axis of the indexing center 3, the influence of the gravity of the mandrel 4 and the workpiece on the axial positioning is eliminated, the indexing center 3 and the tail center 52 can be focused on the axial positioning of the mandrel 4, and the indexing support device 9 always supports the mandrel 4 and the long cylindrical workpiece 10 in a follow-up manner during the workpiece processing and the workpiece indexing rotation, and the rotation of the long cylindrical workpiece is not interfered.

Specifically, referring to fig. 1 and fig. 2, the position adjusting structure 93 includes a pad 931, a pressing block 932, a pressing plate 933, and an installation groove 934 provided on the top surface of the base 91; the mounting groove 934 extends along the front-rear direction, the cushion plate 931, the linear actuator 92 and the pressing block 932 are sequentially mounted in the mounting groove 934 from front to back, the front end face of the cushion plate 931 is tightly attached to the inner wall of the mounting groove 934, and the pressing plate 933 pushes the pressing block 932 to enable the linear actuator 92 to be pressed on the cushion plate 931. When the position of the mandrel 4 in the front-back direction is adjusted, the front-back direction of the axis of the mandrel 4 can be consistent with the front-back direction of the axis of the indexing center 3 in a mode of grinding or replacing the base plate 931 with different thicknesses, the base 91 does not need to be modified, the operation is convenient, and the adjustment cost is low.

Further, the cross section of the pressing block 932 is a right trapezoid, and an inclined plane where the inclined side of the right trapezoid is located is a first positioning matching surface 9321; the cross section of the pressing plate 933 is in an equilateral trapezoid shape, one inclined surface of the pressing plate 933 is a second positioning matching surface 9331 matched with the first positioning matching surface 9321, namely the slopes of the first positioning matching surface 9321 and the second positioning matching surface 9331 are the same, during assembly, the second positioning matching surface 9331 of the pressing plate 933 is pressed against the first positioning matching surface 9321 of the pressing block 932, the pressing block 932 slides downwards vertically under the matching guidance of the first positioning matching surface 9321 and the second positioning matching surface 9331, and along with the movement of the pressing plate 933, extrusion force is transmitted to the pressing block 932 through the first positioning matching surface 9321 and the second positioning matching surface 9331, and the pressing block 932 is extruded to move forwards; when the pressing block 932 cannot move downwards continuously, the height is an assembly height, which indicates that the cushion 931 and the linear actuator 92 are attached to each other, and the pressing block 932 and the linear actuator 92 are also attached to each other and assembled in place. When the pad 931 with different thicknesses is replaced, the assembly height of the pressure plate 933 is also changed adaptively, so that the debugging is convenient, and the whole structure is compact.

Further, another inclined plane of the pressing plate 933 is a blocking plane 9332, a guide clamping groove 935 matched with the pressing plate 933 in shape is provided on the top surface of the base 91, preferably, the guide clamping grooves 935 are provided with two, the mounting groove 934 is located between the two guide clamping grooves 935, each bottom surface of the guide clamping groove 935 is provided with a threaded hole, the pressing plate 933 is provided with countersunk holes 937 which are the same as the threaded holes in number and are in one-to-one correspondence, the countersunk hole 937 of each pressing plate 933 is respectively threaded through an adjusting screw 936 from top to bottom, and the bottom end of each adjusting screw 936 is respectively screwed into the corresponding threaded hole. When the pressing plate 933 is installed in the guide card slot 935, the blocking surface 9332 of the pressing plate 933 is tightly attached to the inner wall of the guide card slot 935, so that on one hand, the moving track of the pressing plate 933 is skillfully limited by the inner wall of the guide card slot 935 to ensure that the pressing plate 933 can only move vertically and downwards, and on the other hand, the pressing plate 933 is supported by the structure of the base 91 to reduce the load of the adjusting screw 936.

In this embodiment, the riding wheel supporting structure 95 includes support 951, two riding wheels 952 that front and back symmetry set up and rotationally set up on support 951, and the axis level of two riding wheels 952 sets up and highly the same, and two riding wheels 952 separates from each other and forms a clearance of placing for the first bearing section 41 and the second bearing section 42 of dabber 4 can not take place the back-and-forth movement after getting into and placing the clearance. When the mandrel 4 and the long cylindrical workpiece rotate in an indexing manner, the supporting wheel 952 can also rotate along with the rotation of the mandrel 4, so that the smooth indexing of the mandrel 4 is ensured. The riding wheel 952 is preferably a bearing, convenient to purchase and low in cost.

Specifically, the base 91 comprises a bottom plate 911 and an L-shaped limiting block 912 arranged at the bottom of the bottom plate 911, wherein the L-shaped limiting block 912 and the bottom plate 911 enclose a C-shaped clamp 913. In practical applications, the guide rail 61 on the bed 6 is T-shaped, the wing plates of the guide rail 61 respectively form two sliding grooves 63 with the bed 6, the horizontal portion of the L-shaped limiting block 912 is clamped into the sliding grooves 63, and the wing plates of the guide rail 61 are clamped into the C-shaped clamping openings 913, so that the indexing support device can move smoothly along the guiding direction of the guide rail 61.

Further, the locking structure 94 comprises at least one through hole obliquely penetrating through the bottom plate 911, a T-bolt 941 is inserted through the bottom end of each through hole from bottom to top, and the threaded end of each T-bolt 941 is screwed into a locking nut 942; accordingly, the guide rail 61 is formed with a transversely extending T-shaped slot 62, and the head of the T-bolt 941 is received in the T-shaped slot 62 to restrain the indexing support means from disengaging from the T-shaped slot 62. After the locking nut 942 is tightened, the head of the T-bolt 941 presses the inner wall of the T-shaped slot 62 in a direction away from the L-shaped stopper 912, and because the T-bolt 941 is inclined, a vertical upward and backward component force is generated, and simultaneously the end surface corresponding to the C-shaped clamp 913 is also urged to be tightly attached to the guide rail 61, so as to generate a strong friction force, and the indexing support device will not move itself.

In order to achieve better locking and traversing effect of the indexing support 9, the through holes are provided in two and symmetrically distributed along the mounting groove 934, and correspondingly, the T-shaped bolt 941 and the locking nut 942 are also provided in two.

Preferably, the upper surface of the bottom plate 911 is provided with a V-shaped groove 943 for accommodating a locking nut 942, the V-shaped groove 943 is communicated with the through hole, and the locking nut 942 can be pressed against the inclined surface of the V-shaped groove 943, so that a better locking effect is achieved, and the locking nut 942 is prevented from being loosened in the machining process.

Preferably, the distance measuring sensor 961 is connected to the base 91 through a height adjusting assembly, the height adjusting assembly includes an inverted L-shaped support arm 962, an adjusting support rod 963 and a locking screw 964, the horizontal portion of the support arm is provided with the adjusting support rod 963 capable of moving up and down, the adjusting support rod 963 is L-shaped, the distance measuring sensor 961 is mounted on the horizontal portion of the adjusting support rod 963, the cross section of the vertical portion of the adjusting support rod 963 is T-shaped, the horizontal portion of the support arm is provided with a guiding socket for inserting the vertical portion of the adjusting support rod 963 and adapting to the shape of the vertical portion of the adjusting support rod 963, the height of the distance measuring sensor 961 can be finely adjusted by vertically moving the adjusting support rod 963 so as to prevent the distance measuring sensor 961 from interfering with the first bearing section 41 or the second bearing section 42 of the mandrel 4, and the vertical portion of the adjusting support rod 963 is fixed on the horizontal portion of the support arm through the locking screw 964. When the height of the mandrel 4 and the workpiece is positioned, the distance between the distance measuring sensor 961 and the top end of the mandrel 4 is detected in real time and fed back to the control system, and the control system can micro-control the output stroke of the linear driver 92 to ensure that the height of the axis of the mandrel 4 is consistent with that of the indexing center 3.

The linear actuator 92 may be a pneumatic push rod, an electric push rod, a hydraulic push rod, a linear module, a screw mechanism, etc., and has a main effect of providing an output end of linear motion. In this embodiment, the linear actuator 92 is a hydraulic cylinder, and the hydraulic cylinder has the advantages of large load and adjustable lifting speed.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the protective scope of the present invention.

Claims

1. The indexing support device is characterized by comprising a base, a linear driver arranged on the base, a position adjusting structure and a locking structure; the output end of the linear driver is upwards arranged and provided with a riding wheel supporting structure; a distance measuring sensor which faces downwards vertically is arranged above the supporting structure of the riding wheel; the position adjusting structure is used for adjusting the front and back positions of the linear driver; the locking structure is used for locking the position of the base on the guide rail, and the riding wheel supporting structure is used for supporting the mandrel; the position adjusting structure comprises a base plate, a pressing block, a pressing plate and a mounting groove formed in the top surface of the base; the mounting groove extends along the front-back direction, the backing plate, the linear driver and the pressing block are sequentially mounted in the mounting groove from front to back, the front end face of the backing plate is tightly attached to the inner wall of the mounting groove, and the pressing plate is used for pushing the pressing block to enable the linear driver to be tightly pressed on the backing plate; the cross section of the pressing block is a right trapezoid, and an inclined plane where the inclined side of the right trapezoid is located is a first positioning matching surface; the cross section of the pressing plate is in an equilateral trapezoid shape, one inclined surface of the pressing plate is a second positioning matching surface matched with the first positioning matching surface, the other inclined surface of the pressing plate is a blocking surface, a guide clamping groove matched with the shape of the pressing plate is formed in the top surface of the base, the pressing plate is installed in the guide clamping groove, and the blocking surface of the pressing plate is tightly attached to the inner wall of the guide clamping groove; the supporting structure of the supporting wheel comprises a support and two supporting wheels which are symmetrically arranged in front and back and can be rotationally arranged on the support, the axes of the two supporting wheels are horizontally arranged and have the same height, and the wheel surface of one supporting wheel faces the wheel surface of the other supporting wheel.

2. The indexing support device according to claim 1, wherein there are two guide slots, the mounting groove is located between two guide slots, the bottom surface of each guide slot is provided with threaded holes, the pressing plate is provided with countersunk holes corresponding to the threaded holes in the same number, the countersunk holes of each pressing plate respectively pass through an adjusting screw from top to bottom, and the bottom end of each adjusting screw is respectively screwed into the corresponding threaded hole.

3. The indexing support device of claim 1, wherein the base comprises a bottom plate and an L-shaped limiting block disposed at the bottom of the bottom plate, and the L-shaped limiting block and the bottom plate define a C-shaped clamping opening.

4. The indexing support device of claim 3, wherein the locking structure comprises at least one through hole extending obliquely through the base plate, a T-bolt passing through the bottom end of each through hole from bottom to top, and a locking nut screwed into the threaded end of each T-bolt.

5. The index support device of claim 4, wherein the upper surface of the base plate is provided with a V-shaped groove for accommodating a locking nut, the V-shaped groove is communicated with the through hole, and the locking nut can be pressed against the inclined surface of the V-shaped groove.

6. The index support device of claim 1, wherein the distance measuring sensor is connected to the base through a height adjusting assembly, the height adjusting assembly comprising an inverted L-shaped arm and an adjusting strut, the horizontal portion of the arm being provided with the adjusting strut movable up and down, and a locking screw, the distance measuring sensor being mounted on the adjusting strut, the adjusting strut being fixed to the arm by the locking screw.

7. The index support device of any one of claims 1 to 6, wherein the linear actuator is a hydraulic ram.