CN220260727U - Multidirectional clamping and fixing machining jig - Google Patents

Abstract

The utility model relates to a multidirectional clamping and fixing machining jig, which comprises: a base; the support plate is arranged at the upper end of the base; the L-shaped positioning plate is provided with a first positioning surface and a second positioning surface for the workpiece to lean against; the first side clamping piece can horizontally move to clamp the workpiece in cooperation with the first positioning surface; the second side clamping piece is positioned at the other side of the supporting plate and can horizontally move to clamp the workpiece in cooperation with the second positioning surface; the middle part of the vertical compression piece is hinged to the base, and one end of the vertical compression piece is provided with a pressure head which swings up and down. According to the utility model, the first side clamping piece is matched with the first positioning surface to realize clamping and positioning of the workpiece in one direction, the second side clamping piece is matched with the second positioning surface to realize clamping and positioning of the workpiece in the other direction, and the vertical pressing piece is hinged, so that the workpiece is vertically pressed by the pressing head swinging up and down, the space above the workpiece is released, and the workpiece is convenient to process and take and place.

Description

Multidirectional clamping and fixing machining jig

Technical Field

The utility model relates to the technical field of jigs, in particular to a multidirectional clamping and fixing machining jig.

Background

Along with the machining precision of the workpiece is higher and higher, the workpiece with higher precision requirement is usually positioned by adopting a jig, so that the machining precision is ensured, and the product quality is improved.

Some workpieces are required to be clamped from multiple directions due to the structural characteristics of the workpieces, and the clamping in multiple directions is usually performed by utilizing

The operating personnel not only need place the work piece, probably still need operate clamping structure and realize fixing to the work piece, intensity of labour is big, and usually in order to guarantee the location effect, still need compress tightly the work piece in two at least directions usually, guarantee clamping precision, and usually can also carry out vertical compressing tightly to the work piece, but traditional vertical compressing mechanism is the setting in the work piece top, thereby go on lifting movement and realize compressing tightly, but vertical compressing mechanism can squeeze up the space of work piece top like this, influence processing mechanism's arrangement and work piece and get and put.

Disclosure of Invention

The embodiment of the utility model provides a multidirectional clamping and fixing processing jig for solving the technical problems.

A multidirectional clamping and fixing machining jig, comprising: a base; the support plate is arranged at the upper end of the base and used for supporting a workpiece; the L-shaped positioning plate is arranged at the upper end of the base and is provided with a first positioning surface and a second positioning surface for a workpiece to lean against; the first side clamping piece is positioned on one side of the supporting plate and can horizontally move to clamp a workpiece in cooperation with the first positioning surface; the first driving mechanism is connected with the first side clamping piece to drive the first side clamping piece to horizontally move; the second side clamping piece is positioned at the other side of the supporting plate and can horizontally move to be matched with the second positioning surface to clamp the workpiece; the second driving mechanism is connected with the second lateral clamping piece to drive the second lateral clamping piece to move horizontally; the vertical pressing piece is positioned at the side part of the supporting plate, the middle part of the vertical pressing piece is hinged to the base, and one end of the vertical pressing piece is provided with a pressing head which swings up and down and is used for vertically pressing a workpiece positioned on the supporting plate; the third driving mechanism is used for driving the vertical pressing piece to press the workpiece; and the reset driving mechanism is used for driving the vertical pressing piece to rotate, so that the vertical pressing piece rotates in the direction of loosening the workpiece.

According to the multidirectional clamping and fixing machining jig, clamping and positioning of a workpiece in one direction are achieved through the fact that the first side clamping piece is matched with the first positioning surface, clamping and positioning of the workpiece in the other direction are achieved through the fact that the second side clamping piece is matched with the second positioning surface, so that clamping and positioning of the workpiece in the horizontal direction are achieved, positioning accuracy is high, automatic clamping is achieved through the first side clamping piece and the second side clamping piece through the first driving mechanism and the second driving mechanism, and automation is improved; in addition, the vertical pressing piece is hinged, so that the workpiece is vertically pressed through the pressing head swinging up and down, the space above the workpiece is liberated, the workpiece is convenient to process and take and place, the vertical pressing piece is respectively driven by the third driving mechanism and the reset driving mechanism to press the workpiece or release the workpiece, and the workpiece is independently driven by the two driving mechanisms, so that accurate driving and control are realized.

In one embodiment, the third driving mechanism is connected with a pushing block to drive the pushing block to move, the pushing block is located at one side of the vertical compression piece, which is away from the supporting plate, the upper side edge of the end part of the pushing block is provided with a driving pushing surface, and the driving pushing surface is used for contacting with one end of the vertical compression piece, which is away from the supporting plate, and pushing the end of the vertical compression piece, which is away from the supporting plate, to rise.

In one embodiment, a roller is disposed at an end of the vertical compression member facing away from the support plate, and the roller is configured to contact the driving pushing surface.

In one embodiment, the vertical compression member is hinged to the base through a rotating shaft, the vertical compression member and the rotating shaft can synchronously rotate, and the reset driving mechanism is in transmission connection with the rotating shaft, so that the rotating shaft is driven to rotate.

In one embodiment, the reset driving mechanism comprises a driving piece, a transmission belt, a first belt pulley and a second belt pulley; the driving belt is wound on the first belt pulley and the second belt pulley, the first belt pulley is rotatably arranged on the base, the second belt pulley is fixedly connected with the rotating shaft, and the driving piece is used for driving the driving belt to operate.

In one embodiment, the two sides of the pushing block are provided with the strip rails, the base is provided with a movable groove for the pushing block to move, and the two opposite side walls of the movable groove are provided with track grooves for the strip rails to be embedded.

In one embodiment, the third driving mechanism is provided with a first push rod which stretches horizontally and stretches flexibly, the first push rod is connected with a bolt, the bolt is provided with a bolt head, the push block is provided with a clamping groove for the vertical embedding of the bolt head, and the bolt is connected with a fastening bolt to be matched with the bolt head to clamp the push block.

In one embodiment, the base upper end is equipped with the constant head tank that supplies the backup pad embedding, the constant head tank below is equipped with a spout, first side clamping piece is including slidable mounting in the slider of spout, the slider deviates from the one end of first locating surface and extends the spout and be connected with the briquetting, the briquetting upper end is equipped with the contact portion towards first locating surface, contact portion is higher than the backup pad, contact portion can slide in order to be close to or keep away from first locating surface along with the slider.

In one embodiment, the bottom of the sliding groove is communicated with a swinging groove, a swinging rod is installed in the swinging groove in a swinging mode, kidney-shaped grooves are formed in two ends of the swinging rod, the sliding block is connected with a connecting column embedded in one kidney-shaped groove, the first driving mechanism is provided with a second push rod which stretches and contracts horizontally, the end portion of the second push rod is connected with a connecting shaft, and the connecting shaft penetrates through the other kidney-shaped groove.

In one embodiment, the second side clamping member has a downwardly opening receiving cavity, the top wall of the receiving cavity is provided with a guide block, and the base is provided with a guide rail adapted to the guide block.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of the exploded view of FIG. 1;

FIG. 3 is a schematic view of another view angle structure of FIG. 1;

FIG. 4 is a schematic view of a second side clamp and a second drive mechanism;

FIG. 5 is a schematic view of the connection structure of the first side clamping member, the support plate, and the L-shaped positioning plate;

FIG. 6 is a schematic view of the exploded view of FIG. 5;

FIG. 7 is a view showing a state in which the vertical packing member presses the work;

fig. 8 shows the vertical compression member in an idle state.

Reference numerals:

base 100, positioning groove 110, chute 120, swinging groove 121, swing rod 122, kidney-shaped groove 123, movable groove 130, track groove 131, guide rail 140, mounting plate 150, and mounting hole 151;

a support plate 200;

an L-shaped positioning plate 300, a first positioning surface 301 and a second positioning surface 302;

the first side clamping member 400, the first driving mechanism 410, the second push rod 411, the connecting shaft 412, the slider 420, the connecting post 421, the pressing block 430, the contact portion 431;

the second side clamping member 500, the second driving mechanism 510, the accommodating chamber 520, the guide block 521;

vertical compression member 600, ram 610, roller 620, spindle 630;

the third driving mechanism 700, the first push rod 710, the bolt 720, the bolt head 721, and the fastening bolt 730;

push block 800, drive push surface 810, bar rail 820, and clip slot 830;

a reset driving mechanism 900, a driving member 910, a movable block 911, a transmission belt 920, a first pulley 930, and a second pulley 940.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" 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 "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, 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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, an embodiment of the present utility model provides a multi-directional clamping fixture, which includes a base 100, a support plate 200, an L-shaped positioning plate 300, a first side clamping member 400, a first driving mechanism 410, a second side clamping member 500, a second driving mechanism 510, a vertical pressing member 600, a third driving mechanism 700, and a reset driving mechanism 900.

The base 100 is used for being fixedly installed on a processing machine, as shown in fig. 1, a mounting plate 150 is arranged at the bottom of the base 100, a mounting hole 151 is arranged on the mounting plate 150, and the base is fixedly installed on the processing machine through the mounting hole 151 and a fastener. The supporting plate 200 is installed at the upper end of the base 100 and is used for supporting a workpiece, and it is understood that the supporting plate 200 and the base 100 are provided with corresponding hole sites to be connected and fixed by fasteners and can be detached and replaced; the L-shaped positioning plate 300 is arranged at the upper end of the base 100 and is provided with a first positioning surface 301 and a second positioning surface 302 for supporting a workpiece, the L-shaped positioning plate 300 and the base 100 are provided with corresponding hole sites so as to be connected and fixed through fasteners, the L-shaped positioning plate can be detached and replaced, the first positioning surface 301 and the second positioning surface 302 are utilized for supporting the workpiece so as to achieve a positioning effect on the workpiece, and the first positioning surface 301 and the second positioning surface 302 have a certain included angle, so that the supporting and positioning on the direction are realized, and the positioning effect is improved; the first side clamping piece 400 is located on one side of the supporting plate 200, and the first side clamping piece 400 can horizontally move to match the first positioning surface 301 to clamp a workpiece; the first driving mechanism 410 is connected with the first side clamping member 400 to drive the horizontal movement thereof; the second side clamping piece 500 is located on the other side of the supporting plate 200, and the second side clamping piece 500 can horizontally move to clamp the workpiece in cooperation with the second positioning surface 302; the second driving mechanism 510 is connected with the second side clamping member 500 to drive the horizontal movement thereof; the vertical compression piece 600 is positioned at the side part of the supporting plate 200, the middle part of the vertical compression piece 600 is hinged with the base 100, and one end of the vertical compression piece 600 is provided with a pressure head 610 which swings up and down and is used for vertically compressing a workpiece positioned on the supporting plate 200; the third driving mechanism 700 is used for driving the vertical pressing piece 600 to press the workpiece; the reset driving mechanism 900 is used for driving the vertical compression member 600 to rotate, thereby rotating in a direction of loosening the workpiece. It is understood that the first driving mechanism 410, the second driving mechanism 510, the third driving mechanism 700, and the reset driving mechanism 900 are all mounted on the base 100.

According to the machining jig with multidirectional clamping and fixing functions, the first side clamping piece 400 is matched with the first locating surface 301 to achieve clamping and locating of a workpiece in one direction, the second side clamping piece 500 is matched with the second locating surface 302 to achieve clamping and locating of the workpiece in the other direction, so that clamping and locating of the workpiece in the horizontal direction are achieved, locating accuracy is high, the first side clamping piece 400 and the second side clamping piece 500 are automatically clamped through the first driving mechanism 410 and the second driving mechanism 510 respectively, and automation is improved; in addition, the vertical compression piece 600 is hinged, so that the workpiece is vertically compressed through the pressure head 610 swinging up and down, the space above the workpiece is relieved, the workpiece is convenient to process and take and place, the vertical compression piece 600 is respectively driven by the third driving mechanism 700 and the reset driving mechanism 900 to compress the workpiece or loosen the workpiece, and the workpiece is independently driven by the two driving mechanisms, so that accurate driving and control are realized.

Referring to fig. 2, in some embodiments of the present utility model, a push block 800 is connected to the third driving mechanism 700 to drive the push block 800 to move, the push block 800 is located at a side of the vertical compression member 600 facing away from the support plate 200, and an upper side edge of an end portion of the push block 800 is provided with a driving push surface 810, the driving push surface 810 is used to contact with one end of the vertical compression member 600 facing away from the support plate 200 and push the same upward, the driving push surface 810 is a slope that approaches toward the vertical compression member 600 and slopes downward, when the driving push surface 810 contacts with one end of the vertical compression member 600 facing away from the support plate 200 and moves in a direction toward the support plate 200, the driving push surface 810 pushes one end of the vertical compression member 600 facing away from the support plate 200 upward, so as to drive a pressing head 610 at the other end downward to compress a workpiece located on the support plate 200, thereby converting the horizontal movement into the rotational movement of the vertical compression member 600 and compressing the workpiece, which has the advantage that after clamping the workpiece, the reaction is difficult to be transferred to the third driving mechanism 700, the possibility of rollback is reduced, and the third driving mechanism 700 may be a hydraulic cylinder, so as to ensure that a sufficient force is provided. As shown in fig. 7, in a state that the pushing block 800 pushes forward and drives the vertical compression member 600 to compress a workpiece, fig. 8 is a state that the vertical compression member 600 is idle, and at this time, the upward tilting width of the pressure head 610 of the vertical compression member 600 is large, so that the space above the support plate 200 is not occupied as much as possible, and the pressure head 610 is lifted as much as possible, so that the workpiece can be conveniently taken and placed. Compared with the method that the vertical compression piece 600 is driven to compress and reset by the same driving mechanism, the two driving mechanisms (the third driving mechanism 700 and the reset driving mechanism 900) respectively drive the compression and reset actions, so that the moving range of the pressure head 610 is larger, the occupation of the space above the workpiece and the supporting plate 200 can be reduced as much as possible during reset, the pressure head 610 is lifted as much as possible, and the workpiece can be conveniently taken and placed; if a separate telescopic driving mechanism (hydraulic cylinder) is used for driving, the telescopic driving mechanism is required to lift and stretch, so as to drive the vertical compression member 600 to swing in a rotating way, but the moving range of the vertical compression member 600 is small, the pressure head 610 is difficult to lift, and when the pressure head 610 compresses a workpiece, all the reaction is transmitted to the telescopic driving mechanism, so that the telescopic driving mechanism is easy to damage; if the vertical compression member 600 is driven to rotate by a motor, it is difficult to provide a stable and sufficient force to compress the workpiece.

Referring to fig. 7, in a further embodiment of the present utility model, a roller 620 is disposed at an end of the vertical compression member 600 facing away from the support plate 200, and the roller 620 is used for contacting the driving pushing surface 810, so as to reduce friction resistance with the driving pushing surface 810, improve smoothness of the device, and reduce wear.

Referring to fig. 3, in a further embodiment of the present utility model, the vertical compression member 600 is hinged to the base 100 by a rotation shaft 630, and the axis of the rotation shaft 630 is horizontal. And the vertical compression member 600 and the rotating shaft 630 can rotate synchronously, specifically, the vertical compression member 600 and the rotating shaft 630 can be detachably and fixedly connected through a fastener (screw). The reset driving mechanism 900 is in transmission connection with the rotating shaft 630, so as to drive the rotating shaft 630 to rotate, thereby driving the vertical compression member 600 to rotate to a required angle, when the vertical compression member 600 does not need to work, the reset driving mechanism 900 can drive the vertical compression member 600 to the state shown in fig. 8, when the vertical compression member 600 needs to clamp a workpiece, the reset driving mechanism 900 drives the roller 620 of the vertical compression member 600 to rise to the height where the driving pushing surface 810 is located, and then waits for the contact action of the driven pushing surface 810.

Referring to fig. 3, in an embodiment of the present utility model, the reset drive mechanism 900 includes a drive member 910, a drive belt 920, a first pulley 930, and a second pulley 940; the driving belt 920 is wound around the first pulley 930 and the second pulley 940, the first pulley 930 is rotatably mounted on the base 100, the second pulley 940 is fixedly connected with the rotating shaft 630, the driving member 910 is used for driving the driving belt 920 to operate, thereby driving the second pulley 940 and the rotating shaft 630 to rotate, and further driving the vertical compression member 600 to rotate, specifically, the driving member 910 is an air cylinder, a hydraulic cylinder or an electric push rod, the driving member 910 is provided with a telescopic rod, the telescopic rod is connected with a movable block 911, and the movable block 911 clamps a section of the driving belt 920 through a clamping plate, so that the driving belt 920 is driven to operate through telescopic movement of the movable block 911.

Referring to fig. 2, in some embodiments of the present utility model, the push block 800 is provided with a bar rail 820 at both sides thereof, the base 100 is provided with a movable groove 130 for the push block 800 to move, and two opposite sidewalls of the movable groove 130 are provided with rail grooves 131 for the bar rail 820 to be embedded therein, thereby realizing the movable guiding of the push block 800.

In the embodiment of the present utility model, the third driving mechanism 700 is provided with a first push rod 710 that stretches and contracts horizontally, the first push rod 710 is connected with a bolt 720, the bolt 720 is provided with a bolt head 721, the push block 800 is provided with a clamping groove 830 for the bolt head 721 to be embedded vertically, the clamping groove 830 is T-shaped and is provided with an opening for the bolt 720 to pass through, the bolt 720 is connected with a fastening bolt 730 to clamp the push block 800 in cooperation with the bolt head 721, the first push rod 710 is clamped into the clamping groove 830 through the bolt head 721 to drive the push block 800 to move, and the installation and the disassembly of the two are simple.

Referring to fig. 5 and 6, in some embodiments of the present utility model, a positioning groove 110 into which the support plate 200 is inserted is provided at an upper end of the base 100, a sliding groove 120 is provided below the positioning groove 110, the first side clamping member 400 includes a sliding block 420 slidably mounted on the sliding groove 120, one end of the sliding block 420 away from the first positioning surface 301 extends out of the sliding groove 120 and is connected with a pressing block 430, a contact portion 431 facing the first positioning surface 301 is provided at an upper end of the pressing block 430, the contact portion 431 is higher than the support plate 200, and the contact portion 431 can slide along with the sliding block 420 to approach or separate from the first positioning surface 301. Specifically, the pressing block 430 and the vertical compression member 600 are located on the same side of the supporting plate 200, so that the pressing block and the vertical compression member 600 need to be driven by a sinking structure, and interference with the vertical compression member 600 and the third driving mechanism 700 is avoided.

In a further embodiment of the present utility model, the bottom of the sliding chute 120 is communicated with a swinging groove 121, a swinging rod 122 is installed in the swinging groove 121 in a swinging manner, one end of the swinging rod 122 extends below the sliding chute 120, the other end extends out of the swinging groove 121, two ends of the swinging rod 122 are both provided with waist-shaped grooves 123, the sliding block 420 is connected with a connecting post 421 embedded in one of the waist-shaped grooves 123, and the sliding block 420 and the connecting post 421 can be detachably connected, for example, the connecting post 421 is connected to a threaded hole of the sliding block 420 in a threaded manner. The first driving mechanism 410 has a second push rod 411 that stretches out and draws back horizontally, the end of the second push rod 411 is connected with a connecting shaft 412, the connecting shaft 412 is arranged in another kidney-shaped groove 123 in a penetrating way, the kidney-shaped groove 123 has a certain length, so that the connecting shaft 412 and the connecting column 421 can move, and the structure is prevented from being blocked and interfered due to insufficient freedom. The swing rod 122 is used for transmitting power, so that the contact portion 431 is driven to press a workpiece, the installation position of the first driving mechanism 410 is shifted, the installation position is optimized, the installation is more convenient, the structural interference is reduced, and the first driving mechanism 410 can be a hydraulic cylinder, so that enough acting force is provided.

Referring to fig. 1, 2 and 4, in some embodiments of the present utility model, the second side clamping member 500 has a receiving chamber 520 opened downward, a guide block 521 is provided at a top wall of the receiving chamber 520, the base 100 is provided with a guide rail 140 adapted to the guide block 521, and the receiving chamber 520 is provided such that the entire structural height is reduced, material use is reduced, and a movable stroke is also limited. The second driving mechanism 510 may be a hydraulic cylinder, and drives the second side clamping member 500 to clamp the workpiece, and slide guiding is achieved through the guide block 521 and the guide rail 140, thereby improving sliding stability.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides a multidirectional clamping fixed processing tool which characterized in that includes:

a base (100);

the support plate (200) is arranged at the upper end of the base (100) and is used for supporting a workpiece;

an L-shaped positioning plate (300) which is arranged at the upper end of the base (100) and is provided with a first positioning surface (301) and a second positioning surface (302) for a workpiece to lean against;

a first side clamping member (400) located on one side of the support plate (200) and capable of moving horizontally to clamp a workpiece in cooperation with the first positioning surface (301);

a first driving mechanism (410) connected with the first side clamping piece (400) to drive the horizontal movement of the first side clamping piece;

a second side clamping member (500) positioned on the other side of the support plate (200) and capable of moving horizontally to clamp the workpiece in cooperation with the second positioning surface (302);

a second driving mechanism (510) connected with the second side clamping piece (500) to drive the horizontal movement thereof;

the vertical pressing piece (600) is positioned at the side part of the supporting plate (200), the middle part of the vertical pressing piece is hinged to the base (100), and one end of the vertical pressing piece is provided with a pressing head (610) which swings up and down and is used for vertically pressing a workpiece positioned on the supporting plate (200);

a third driving mechanism (700) for driving the vertical pressing member (600) to press the workpiece;

and the reset driving mechanism (900) is used for driving the vertical pressing piece (600) to rotate, so that the vertical pressing piece rotates in the direction of loosening the workpiece.

2. The multidirectional clamping and fixing machining jig according to claim 1, wherein the third driving mechanism (700) is connected with a pushing block (800) to drive the pushing block (800) to move, the pushing block (800) is located on one side of the vertical compression member (600) away from the supporting plate (200), a driving pushing surface (810) is arranged on the upper side edge of the end portion of the pushing block (800), and the driving pushing surface (810) is used for contacting with one end of the vertical compression member (600) away from the supporting plate (200) and pushing the end portion to rise.

3. The multidirectional clamping fixture according to claim 2, wherein one end of the vertical compression member (600) facing away from the support plate (200) is provided with a roller (620), the roller (620) being adapted to contact the driving pushing surface (810).

4. The multidirectional clamping fixture according to claim 2, wherein the vertical pressing member (600) is hinged to the base (100) through a rotating shaft (630), the vertical pressing member (600) and the rotating shaft (630) can rotate synchronously, and the reset driving mechanism (900) is in transmission connection with the rotating shaft (630) so as to drive the rotating shaft (630) to rotate.

5. The multi-directional clamp-on fixture of claim 4, wherein the reset drive mechanism (900) comprises a drive member (910), a drive belt (920), a first pulley (930), and a second pulley (940); the driving belt (920) is wound on a first belt pulley (930) and a second belt pulley (940), the first belt pulley (930) is rotatably installed on the base (100), the second belt pulley (940) is fixedly connected with the rotating shaft (630), and the driving piece (910) is used for driving the driving belt (920) to operate.

6. The multidirectional clamping and fixing machining jig according to claim 2, wherein the pushing block (800) is provided with a strip rail (820) at two sides, the base (100) is provided with a movable groove (130) for the pushing block (800) to move, and two opposite side walls of the movable groove (130) are provided with rail grooves (131) for the strip rail (820) to be embedded.

7. The multidirectional clamping fixture according to claim 6, wherein the third driving mechanism (700) is provided with a first push rod (710) which stretches horizontally and stretches horizontally, the first push rod (710) is connected with a bolt (720), the bolt (720) is provided with a bolt head (721), the push block (800) is provided with a clamping groove (830) for the bolt head (721) to be vertically embedded, and the bolt (720) is connected with a fastening bolt (730) to be matched with the bolt head (721) to clamp the push block (800).

8. The multidirectional clamping and fixing machining jig according to claim 1, wherein a positioning groove (110) for embedding the supporting plate (200) is formed in the upper end of the base (100), a sliding groove (120) is formed below the positioning groove (110), the first side clamping piece (400) comprises a sliding block (420) slidably mounted on the sliding groove (120), one end, deviating from the first positioning surface (301), of the sliding block (420) extends out of the sliding groove (120) and is connected with a pressing block (430), a contact portion (431) facing the first positioning surface (301) is formed in the upper end of the pressing block (430), the contact portion (431) is higher than the supporting plate (200), and the contact portion (431) can slide along with the sliding block (420) to be close to or far away from the first positioning surface (301).

9. The multidirectional clamping and fixing machining jig according to claim 8, wherein the bottom of the sliding chute (120) is communicated with a swinging groove (121), a swinging rod (122) is installed in the swinging groove (121) in a swinging mode, waist-shaped grooves (123) are formed in two ends of the swinging rod (122), the sliding block (420) is connected with a connecting column (421) embedded in one waist-shaped groove (123), the first driving mechanism (410) is provided with a second push rod (411) which stretches horizontally and stretches out and draws back, the end portion of the second push rod (411) is connected with a connecting shaft (412), and the connecting shaft (412) penetrates through the other waist-shaped groove (123).

10. The multidirectional clamping fixture according to claim 1, wherein the second side clamping member (500) has a downwardly open receiving cavity (520), the receiving cavity (520) top wall is provided with a guide block (521), and the base (100) is provided with a guide rail (140) adapted to the guide block (521).