CN220331234U - Clamping device capable of adjusting pedestal processing angle - Google Patents

Abstract

The utility model relates to a clamping device capable of adjusting the processing angle of a pedestal, which is characterized in that a first driving support assembly and a second rotating support assembly which can clamp and limit two opposite ends of the clamp pedestal are supported on a support base, the first driving support assembly comprises a rotary driving mechanism, a first supporting mechanism, a positioning mechanism and a deflection mechanism, the output end of the rotary driving mechanism is in transmission connection with the deflection mechanism which can clamp the side edge of the clamp pedestal and drive the clamp pedestal to deflect, so that the deflection mechanism can control the clamp pedestal to rotate around the axis of an output shaft of the rotary driving mechanism while driving the clamp pedestal to deflect, and the working position of the clamp pedestal can be changed. The utility model can change the processing position of the parts by changing the working position of the clamp pedestal for clamping and limiting the parts.

Description

Clamping device capable of adjusting pedestal processing angle

Technical Field

The utility model relates to the technical field of machining tools, in particular to a clamping device capable of adjusting a machining angle of a pedestal.

Background

In the machining of mechanical parts, since complex assembly has become a main assembly and molding method of a conventional complex machine, production of mechanical parts having a plurality of assembly stations has become more frequent, and since complex assembly is required, the positions where mechanical parts need to be machined are increasing, and particularly in the production and machining of a metal shell for a certain mechanism, it is necessary to perform machining at not only a plurality of machining positions but also different machining processes for different machining positions.

In the prior art, when processing different stations of a single part, the same or different working procedures are respectively carried out on different positions on the same or different tools by multiple times of clamping, but the relative processing positions of the part are easy to deviate due to multiple times of clamping operation, multiple times of transposition clamping also easily damage multiple surfaces of the part, and a plurality of related assembly points are influenced by the deviation of the actual processing positions to generate more obvious processing errors, so that the quality of processed finished products is poor. In particular, when machining different positions of the same component, for example, when machining the bevel, drilling and welding the component, the placing/mounting positions of the clamping tools are fixed, so that the single machining position of the component is single and unchangeable, the unchangeable placing positions of the component are such that different machining needs to be unable to be completed in the single limiting state of the clamping tools, machining interference is very easy to occur, and the machining stability, the machining quality and the machining efficiency are low, therefore, the clamping tools for clamping the machining positions of the limited component need to be improved, so that the component can be subjected to station adjustment along with the clamping tools in the state of being limited and clamped once, and the machining treatment of different points is completed.

Furthermore, there are differences in one aspect due to understanding to those skilled in the art; on the other hand, as the inventors studied numerous documents and patents while the present utility model was made, the text is not limited to details and contents of all that are listed, but it is by no means the present utility model does not have these prior art features, the present utility model has all the prior art features, and the applicant remains in the background art to which the rights of the related prior art are added.

Disclosure of Invention

The utility model aims to provide a clamping device capable of changing the machining angle of an adjustable pedestal of the machining position of a part by changing the working position of a clamp pedestal for clamping and limiting the part, so as to solve the problems that the existing clamping tool is fixed in position, the machining position provided for the part is single, the same part is required to be clamped for multiple times to change the machining position of the part when the multi-position machining of the composite assembly requirement is carried out, clamping errors are easily caused by multiple times of clamping, the machining errors are large, the quality of a finished product is reduced, and the machining efficiency is low.

The technical scheme adopted by the utility model is as follows: the utility model provides a clamping device of adjustable pedestal processing angle, includes the support base support on the support base have can carry out the spacing first drive supporting component of centre gripping and second rotation supporting component to two opposite ends of anchor clamps pedestal, first drive supporting component includes rotary drive mechanism, first supporting mechanism, positioning mechanism and deflection mechanism, wherein, first supporting mechanism will rotary drive mechanism supports on the support base, and rotary drive mechanism's output transmission is connected with can be right the side of anchor clamps pedestal is centre gripping and drive the deflection mechanism that the anchor clamps pedestal deflected, so that deflection mechanism can also control when driving the anchor clamps pedestal takes place to deflect the anchor clamps pedestal changes the working position of anchor clamps pedestal around rotary drive mechanism's output shaft's axis.

According to a preferred embodiment, the positioning mechanism is detachably mounted on a side surface of a first support main plate of the first support mechanism facing the second rotation support assembly in a manner of limiting a working position of the rotation driving mechanism after the rotation driving mechanism drives the deflection mechanism to rotate, the rotation driving mechanism comprises a driving motor, a support bearing and an output shaft, an output end of the driving motor is coaxially connected with the output shaft, one end of the output shaft away from the driving motor is connected with the deflection mechanism through a rotating disc, the support bearing capable of supporting and limiting rotation of the support bearing is rotatably sleeved on the output shaft, and the support bearing is mounted on an axial upper end of the first support main plate.

According to a preferred embodiment, the deflection mechanism comprises an arc-shaped track, a limiting piece, a guide wheel, a driving piece and a first clamping head, wherein two side edges of the arc-shaped track are respectively provided with an arc clamping groove which can be clamped with the end part of the limiting piece to limit the limiting piece to conduct arc movement along the arc-shaped track, and an arc rack which can be meshed with the guide rail is arranged on the concave side of the arc-shaped track along the arc direction limited by the concave side of the arc-shaped track.

According to a preferred embodiment, the guide wheel is fixedly arranged between the limiting piece and two sections of rod bodies connected with the arc clamping grooves in parallel, so as to limit the meshing state of the guide wheel and the arc rack; the limiting piece is also supported with a driving piece capable of driving the guide wheel to rotate, and one side, far away from the arc-shaped track, of the limiting piece is also connected with a first clamping head capable of clamping the clamp pedestal.

According to a preferred embodiment, the convex surface of the arc-shaped track is in overlaying connection with the surface of the rotating disc remote from the output shaft, so that the rotating disc adjusts the working position of the arc-shaped track.

According to a preferred embodiment, the driving motor is connected with the surface of the first support main board, which is far away from the positioning mechanism, through an L-shaped auxiliary support rod; the surface of the rotating disc facing the positioning mechanism is provided with a plurality of positioning holes in a circumferential spacing mode.

According to a preferred embodiment, the cylinder block of the positioning mechanism is detachably mounted on the side surface of the first support main plate, and the telescopic output end of the cylinder block is connected with a positioning insert rod which can be selectively inserted into the positioning hole in a manner of following the telescopic movement of the cylinder block to limit the working position of the rotation driving mechanism after the rotation driving mechanism drives the deflection mechanism to rotate.

According to a preferred embodiment, the second rotary support assembly comprises a translation mechanism, a support column, a deflection rod, a rotary bearing and a second clamping head, wherein the translation mechanism drives the support column to translate in a manner that the distance between the first drive support assembly and the second rotary support assembly mounted on the support base can be changed, and the support column is supported on an orientation slide block of the translation mechanism.

According to a preferred embodiment, a deflection rod facing the first drive support assembly is connected to an axially upper end of the support column, and an end of the deflection rod remote from the support column is connected to the second clamping head by means of a swivel bearing capable of limiting rotation of the clamp table, which the second clamping head clamps, relative to the deflection rod.

According to a preferred embodiment, the deflection lever comprises a first lever body and a second lever body, and the first lever body and the second lever body are articulated to each other.

The beneficial effects of the utility model are as follows:

the first drive supporting component and the second that this application set up rotate supporting component can mutually support the multidirectional rotation of the working position who prescribes a limit to centre gripping pedestal jointly to both to make the centre gripping pedestal can drive its spare and accessory that the centre gripping prescribes a limit to and directly carry out the change of working position, so that the different surface point positions of spare and accessory carry out different processing with the state that has specific inclination, thereby the spare and accessory after making the multiple spot position processing can satisfy the demand of compound assembly. According to the station adjusting mode, under the condition that the relative position between the spare and accessory parts and the clamping pedestal is kept unchanged, the stations of the clamping pedestal are only changed, and the spare and accessory parts can be processed in multiple stations, so that the structural requirement of the composite assembly on the spare and accessory parts is met. The positioning requirement of clamping the parts for multiple times is eliminated, so that the adjustment of the positions of the parts can be completed under the condition that the relative positions of the parts and the clamping pedestal are kept fixed, the machining precision of the positions of the parts is high, the machining quality is high, redundant clamping operation is omitted, the operation complexity is reduced, and the machining efficiency is improved.

The first drive supporting component that this application set up can controllably drive the anchor clamps pedestal and carry out axial rotation and deflect around the setpoint for the anchor clamps pedestal can carry out the station through rotatory and the mode of deflecting the different sides of its part of centre gripping and expose, and can also make the spare part of keeping flat change the processing position of slope, make relevant processing frock can carry out multistation multidirectional processing to the spare part, for example, bore straight hole, bore inclined hole, openly slotting, openly processing such as side slotting and inclined plane processing, so that form a plurality of associated assembly positions on the spare part, thereby make it be used for carrying out the complex assembly of equipment with a plurality of spare parts. The rotary driving mechanism can drive the deflection mechanism and the clamp pedestal to axially rotate, and different surfaces of parts are defined as machining front surfaces. The locating hole can be with positioning mechanism matched with mode to prescribe a limit to the station of rolling disc after rotatory to prevent that the rolling disc from taking place the rotation deviation when rotatory control anchor clamps pedestal reaches appointed rotation angle, prescribe a limit to the working position of centre gripping pedestal effectively, thereby the machining precision of assurance. The deflection mechanism that this application set up can drive the anchor clamps pedestal and deflect around the pin joint of the deflection pole of second rotation supporting component to make anchor clamps pedestal and the spare part of centre gripping be in the processing position of slope, thereby accomplish the inclined plane processing and the inclined hole processing of spare part.

Drawings

FIG. 1 is a schematic view of a preferred clamping device capable of adjusting the processing angle of a pedestal according to the present utility model;

FIG. 2 is a schematic view of a part of a deflection mechanism of a clamping device with adjustable pedestal processing angle in radial section of an arc-shaped track, which is a preferred embodiment of the utility model;

FIG. 3 is a schematic view of the structure of the portion A of a clamping device with adjustable bench working angle according to a preferred embodiment of the utility model;

fig. 4 is a schematic plan view of a rotating disc of a clamping device for adjusting the machining angle of a pedestal according to a preferred embodiment of the present utility model.

List of reference numerals

1: a support base; 2: a clamp pedestal; 3: a first drive support assembly; 4: a second rotary support assembly; 31: a rotary driving mechanism; 32: a first support mechanism; 33: a positioning mechanism; 34: a deflection mechanism; 41: a translation mechanism; 42: a support column; 43: a deflection lever; 44: a rotating bearing; 45: a second clamping head; 311: a driving motor; 312: a support bearing; 313: an output shaft; 314: a rotating disc; 315: positioning holes; 321: a first support motherboard; 322: an L-shaped auxiliary supporting rod; 331: a cylinder block; 332: positioning the inserted link; 341: an arc-shaped track; 342: a limiting piece; 343: a guide wheel; 344: a driving member; 345: a first clamping head; 411: a directional slider; 412: a limit groove; 413: rotating the screw; 414: a translation driving motor; 431: a first rod body; 432: a second rod body; 3411: arc line clamping grooves; 3412: arc rack.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

The technical solution provided by the present utility model will be described in detail by way of examples with reference to the accompanying drawings. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model. In some instances, some embodiments are not described or described in detail as such, as may be known or conventional in the art.

Furthermore, features described herein, or steps in all methods or processes disclosed, may be combined in any suitable manner in one or more embodiments in addition to mutually exclusive features and/or steps. It will be readily understood by those skilled in the art that the steps or order of operation of the methods associated with the embodiments provided herein may also be varied. Any order in the figures and examples is for illustrative purposes only and does not imply that a certain order is required unless explicitly stated that a certain order is required.

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling) where appropriate (where no paradox is constructed).

The following detailed description refers to the accompanying drawings.

Example 1

The application provides an adjustable pedestal processing angle's clamping device, it includes support base 1, anchor clamps pedestal 2, first drive supporting component 3 and second rotation supporting component 4.

According to a specific embodiment shown in fig. 1, a first driving support assembly 3 and a second rotation support assembly 4 capable of clamping and limiting two opposite ends of a clamp base 2 are supported on a support base 1. The first driving support assembly 3 and the second rotating support assembly 4 are disposed opposite to each other so that the two cooperate with each other to define the working position of the jig base 2. The first driving support component 3 can drive the clamping pedestal 2 to rotate around the common axis of the clamping pedestal 2 and deflect around the second rotating support component 4, so that the clamping station of the clamping pedestal 2 deflects in a multi-direction and multi-angle mode, the position parameters of the machining point positions of the parts clamped on the clamping pedestal 2 are changed, the machining positions of the parts are changed by changing the position of the clamping pedestal 2, and the clamping pedestal 2 can finish machining treatment of a plurality of different positions of the clamping pedestal 2 which are required to be assembled in a combined mode under the single clamping limit state of the parts. The first drive supporting component 3 and the second rotation supporting component 4 that this application set up can mutually support the multidirectional rotation regulation of the working position that both prescribe a limit to centre gripping pedestal 2 jointly to make centre gripping pedestal 2 can drive its centre gripping prescribe a limit to spare and accessory part and directly carry out the change of working position, so that the different surface point positions of spare and accessory part carry out different processing with the state that has specific inclination, thereby make the spare and accessory part after the multiple spot position processing can satisfy the demand of compound assembly. According to the station adjusting mode, under the condition that the relative position between the spare and accessory parts and the clamping pedestal 2 is kept unchanged, the working position of the clamping pedestal 2 is changed, and the spare and accessory parts can be processed in multiple stations, so that the structural requirement of the composite assembly on the spare and accessory parts is met. The positioning requirement of clamping the parts for multiple times is eliminated, so that the adjustment of the positions of the parts can be completed under the condition that the relative positions of the parts and the clamping pedestal 2 are kept fixed, the machining precision of the positions of the parts is high, the machining quality is high, redundant clamping operation is omitted, the operation complexity is reduced, and the machining efficiency is improved.

Preferably, the first driving support assembly 3 includes a rotation driving mechanism 31, a first supporting mechanism 32, a positioning mechanism 33, and a deflecting mechanism 34. Preferably, the first support mechanism 32 supports the rotary drive mechanism 31 on the support base 1. Further preferably, the output end of the rotation driving mechanism 31 is in transmission connection with a deflection mechanism 34 capable of clamping the side edge of the clamp base 2 and driving the clamp base 2 to deflect, so that the deflection mechanism 34 can change the working position of the clamp base 2 in a manner of driving the clamp base 2 to deflect and simultaneously controlling the clamp base 2 to rotate around the axis of the output shaft of the rotation driving mechanism 31. Preferably, the positioning mechanism 33 is detachably mounted on the side of the first support main 321 of the first support mechanism 32 facing the second rotary support assembly 4 in a manner to define the working position after the rotation of the deflection mechanism 34 by the rotary driving mechanism 31. The first drive supporting component 3 that this application set up can controllably drive anchor clamps pedestal 2 to carry out axial rotation and deflect around the setpoint for anchor clamps pedestal 2 can carry out the station through rotatory and the mode of deflecting the different sides of its part that holds, and can also make the spare part of keeping flat change the processing position of slope, make relevant processing frock can carry out the multidirectional processing of multistation to the spare part, for example, bore straight hole, bore the inclined hole, openly processing and the inclined plane processing such as openly fluting, side fluting, so that form a plurality of associated assembly positions on the spare part, thereby make it can be used for carrying out the complex assembly of equipment with a plurality of spare parts.

Preferably, the rotary drive mechanism 31 includes a drive motor 311, a support bearing 312, and an output shaft 313. Preferably, the output end of the drive motor 311 is coaxially connected to the output shaft 313, and the end of the output shaft 313 remote from the drive motor 311 is connected to the deflecting mechanism 34 via a rotary disk 314. It is further preferable that a support bearing 312 capable of supporting the rotation-restricting work thereof is rotatably fitted on the output shaft 313, and the support bearing 312 is mounted on an axially upper end of the first support main 321. Further preferably, the driving motor 311 is connected to a surface of the first support main 321 remote from the positioning mechanism 33 through an L-shaped auxiliary support bar 322, thereby defining a mounting position of the driving motor 311. As shown in fig. 4, the surface of the rotating disk 314 facing the positioning mechanism 33 is provided with a plurality of positioning holes 315 circumferentially spaced apart. The rotary drive mechanism 31 provided in the present application is capable of driving the deflection mechanism 34 and the jig base 2 to axially rotate, and different surfaces of the components have been defined as machining faces. The positioning hole 315 can be matched with the positioning mechanism 33 to limit the working position of the rotating disc 314 after rotation, so that the rotating disc 314 is prevented from rotating and deviating when the rotating control clamp base 2 reaches a specified rotation angle, the working position of the clamp base 2 is effectively limited, and the machining precision is ensured.

Preferably, the cylinder block 331 of the positioning mechanism 33 is detachably mounted at a side of the first support main 321. Further preferably, the telescopic output end of the cylinder block 331 is connected to a positioning plunger 332 that can be selectively inserted into the positioning hole 315 to define the working position of the rotation driving mechanism 31 after the rotation of the deflecting mechanism 34 following the telescopic movement thereof. Specifically, the cylinder block 331 is capable of controllably driving the positioning plunger 332 in telescopic translation in its axial direction, so that the positioning plunger 332 is controllably inserted into the positioning hole 315 starting on the rotating disk 314, thereby effectively defining the position between the positioning disk and the first support main 321.

As shown in fig. 2, the deflection mechanism 34 includes an arc-shaped rail 341, a limiting member 342, a guide wheel 343, a driving member 344, and a first clamping head 345. Preferably, the convex surface of the arcuate track 341 is in overlying connection with the surface of the rotating disc 314 remote from the output shaft 313 such that the rotating disc 314 adjusts the operating position of the arcuate track 341. Further preferably, both sides of the arc-shaped track 341 are provided with arc clamping grooves 3411 which can be clamped with the ends of the limiting members 342 to limit the limiting members 342 to perform arc movement along the arc-shaped track 341. Specifically, the concave side of the arc-shaped track 341 is provided with an arc-shaped rack 3412 capable of engaging with the guide rail 343 along an arc direction defined by the concave side. Further preferably, the guide wheel 343 is mounted on the fixed shaft between the limiting member 342 and the two rod bodies connected with the two arc wire clamping grooves 3411 in parallel, so as to limit the engagement state of the guide wheel 343 and the arc wire rack 3412. Preferably, a driving member 344 capable of driving the guide wheel 343 to rotate is also supported on the limiting member 343. Specifically, a first clamping head 345 capable of clamping the clamp base 2 is further connected to a side of the limiting member 343 away from the arc-shaped rail 341. The deflection mechanism 34 provided by the application can drive the clamp pedestal 2 to deflect around the hinge point of the deflection rod 43 of the second rotation support assembly 4, so that the clamp pedestal 2 and the parts clamped by the clamp pedestal are in inclined machining positions, and the inclined surface machining and inclined hole machining of the parts are completed.

Preferably, the second rotary support assembly 4 comprises a translation mechanism 41, a support column 42, a deflection lever 43, a rotary bearing 44 and a second clamping head 45. Preferably, the translation mechanism 41 drives the support column 42 to translate in a manner that can change the distance between the first driving support assembly 3 and the second rotating support assembly 4 mounted on the support base 1, so that the first driving support assembly 3 and the second rotating support assembly 4 can carry out limit clamping on clamp bases with different sizes. As shown in fig. 3, a deflection lever 43 facing the first drive support assembly 3 is connected to an axial upper end of the support column 42, and an end of the deflection lever 43 remote from the support column 42 is connected to a second clamping head 45 through a swivel bearing 44. Further preferably, the swivel bearing 44 is able to limit the rotation of the second clamping head 45 with respect to the deflection lever 43 following the clamp stand 2 it clamps. Preferably, the deflection lever 43 is capable of limiting deflection of the clamp mount 2 such that the second clamp head 45, the clamp mount 2, and the first clamp head 345 are capable of deflection about the hinge end of the deflection lever 43.

Preferably, the support column 42 is supported on an orientation slide 411 of the translation mechanism 41. Specifically, the translation mechanism 41 includes an orientation slide 411, a limit groove 412, a rotation screw 413, and a translation drive motor 414. The limiting groove 412 is formed in the supporting base 1, and the rotating screw 413 is arranged in the limiting groove 412 in a penetrating mode. One end of the rotary screw 413, which is far away from the first driving support assembly 3, penetrates through the groove wall of the limiting groove 412 and is in transmission connection with the translation driving motor 414 outside the limiting groove 412. Preferably, the rotary screw 413 is sleeved with an orientation slide 411 for supporting the column 42. The directional slider 411 can convert the rotational driving force transmitted by the rotary screw 413 to translational driving under the limitation of the limiting groove 412, so that the directional slider 411 translates along the axial direction of the rotary screw 413 in the process of rotating the rotary screw 413, and the support columns 42 are driven to be parallel, so as to change the distance between the first driving support component 3 and the second rotating support component 4. Preferably, the deflecting rod 43 includes a first rod 431 and a second rod 432, and the first rod 431 and the second rod 432 are hinged to each other. It is further preferred that the inner and outer rings of the swivel bearing 44 are connected with the deflector rod 43 and the second clamping head 45, respectively, so that both are rotatable about a common axis while defining the connection position of the two.

The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model. It should be understood by those skilled in the art that the present description and drawings are illustrative and not limiting to the claims. The scope of the utility model is defined by the claims and their equivalents. Throughout this document, the word "preferably" is used in a generic sense to mean only one alternative, and not to be construed as necessarily required, so that the applicant reserves the right to forego or delete the relevant preferred feature at any time.

Claims (10)

1. The clamping device capable of adjusting the processing angle of the pedestal comprises a supporting base (1) and is characterized in that,

a first driving support component (3) and a second rotating support component (4) which can clamp and limit two opposite ends of the clamp pedestal (2) are supported on the support base (1),

the first driving support assembly (3) comprises a rotation driving mechanism (31), a first support mechanism (32), a positioning mechanism (33) and a deflection mechanism (34), wherein,

the first support mechanism (32) supports the rotation driving mechanism (31) on the support base (1), and an output end of the rotation driving mechanism (31) is in transmission connection with the deflection mechanism (34) which can clamp the side edge of the clamp pedestal (2) and drive the clamp pedestal (2) to deflect, so that the deflection mechanism (34) can control the clamp pedestal (2) to rotate around the axis of an output shaft of the rotation driving mechanism (31) while driving the clamp pedestal (2) to deflect, and the working position of the clamp pedestal (2) is changed.

2. The clamping device for adjusting the machining angle of a pedestal according to claim 1, wherein the positioning mechanism (33) is detachably mounted on the side of the first support main plate (321) of the first support mechanism (32) facing the second rotary support assembly (4) in a manner of limiting the working position of the rotary driving mechanism (31) after the rotation of the deflection mechanism (34),

the rotary driving mechanism (31) comprises a driving motor (311), a supporting bearing (312) and an output shaft (313), the output end of the driving motor (311) is coaxially connected with the output shaft (313), one end of the output shaft (313) far away from the driving motor (311) is connected with the deflection mechanism (34) through a rotating disc (314),

the output shaft (313) is rotatably sleeved with the support bearing (312) capable of supporting and limiting the rotation of the output shaft, and the support bearing (312) is mounted at the upper axial end of the first support main plate (321).

3. The adjustable pedestal finish angle clamping device of claim 2, wherein the deflection mechanism (34) comprises an arcuate track (341), a stop (342), a guide (343), a drive (344), and a first clamping head (345), wherein,

both sides of arc track (341) all offer can with the tip joint of locating part (342) and inject locating part (342) are followed arc draw-in groove (3411) that arc track (341) carried out the pitch arc motion, and the concave side of arc track (341) is provided with arc rack (3412) that can mesh with guide pulley (343) along its limited pitch arc direction.

4. A clamping device capable of adjusting the processing angle of a pedestal according to claim 3, wherein the guide wheel (343) is fixedly arranged between two sections of rod bodies connected with two mutually parallel arc clamping grooves (3411) by a fixed shaft so as to limit the meshing state of the guide wheel (343) and the arc rack (3412);

the limiting piece (342) is further supported with a driving piece (344) capable of driving the guide wheel (343) to rotate, and one side, away from the arc-shaped track (341), of the limiting piece (342) is further connected with a first clamping head (345) capable of clamping the clamp pedestal (2).

5. The clamping device for adjusting the machining angle of the pedestal according to claim 4, wherein the convex surface of the arc-shaped track (341) is in overlaying connection with the surface of the rotating disc (314) away from the output shaft (313), so that the rotating disc (314) can adjust the working position of the arc-shaped track (341).

6. The clamping device capable of adjusting the processing angle of the pedestal according to claim 5, wherein the driving motor (311) is connected with the surface of the first support main plate (321) far away from the positioning mechanism (33) through an L-shaped auxiliary support rod (322);

the surface of the rotating disc (314) facing the positioning mechanism (33) is provided with a plurality of positioning holes (315) at intervals in the circumferential direction.

7. Clamping device with adjustable bench working angle according to claim 6, characterized in that the cylinder block (331) of the positioning mechanism (33) is detachably mounted on the side of the first support main plate (321), and the telescopic output end of the cylinder block (331) is connected with a positioning insert rod (332) which can be selectively inserted into the positioning hole (315) to follow the telescopic movement thereof to limit the working position after the rotation of the deflection mechanism (34) by the rotation driving mechanism (31).

8. The clamping device for adjusting the machining angle of a pedestal according to claim 7, wherein the second rotary support assembly (4) comprises a translation mechanism (41), a support column (42), a deflection rod (43), a rotary bearing (44) and a second clamping head (45), wherein,

the translation mechanism (41) drives the support column (42) to translate in a mode of changing the distance between the first driving support component (3) and the second rotating support component (4) which are arranged on the support base (1), and the support column (42) is supported on the orientation sliding block (411) of the translation mechanism (41).

9. Clamping device for adjusting the angle of processing a pedestal according to claim 8, characterized in that the axial upper end of the support column (42) is connected with a deflection rod (43) facing the first drive support assembly (3), and the end of the deflection rod (43) remote from the support column (42) is connected with the second clamping head (45) by means of a swivel bearing (44),

the swivel bearing (44) is able to limit the rotation of the clamp stand (2) with which the second clamping head (45) is clamped, relative to the deflection lever (43).

10. The clamping device for adjusting the machining angle of a pedestal according to claim 9, wherein the deflection rod (43) comprises a first rod body (431) and a second rod body (432), and the first rod body (431) and the second rod body (432) are hinged to each other.