CN112372543A

CN112372543A - Three-dimensional angle adjustment anchor clamps are used in precision parts machining operation

Info

Publication number: CN112372543A
Application number: CN202011251189.3A
Authority: CN
Inventors: 魏玉东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-02-19

Abstract

The invention discloses a three-dimensional angle adjusting clamp for precision part machining operation, which comprises a base, wherein an adjusting ring cavity with an upward opening is arranged in the base, fixed columns are respectively and fixedly arranged on the upper end surface of the base and on the left side and the right side of the adjusting ring cavity, rotating shafts are respectively and rotatably arranged in opposite end surfaces of the fixed columns on the left side and the right side, an adjusting ring is jointly and fixedly arranged between opposite end surfaces of the rotating shafts on the left side and the right side, a switching cavity is arranged in the fixed column on the left side, the left end of the rotating shaft on the left side extends into the switching cavity, and a; the device can quickly finish the detection of the sealing performance of the vacuum packaging bag, can clamp precise and small parts in different directions, can adjust the three-dimensional angle of the clamped part through a skillful mechanism, is convenient for processing the parts, and is provided with the rotation braking mechanism, so that the deviation of the part angle caused by rotation after the angle is adjusted is avoided.

Description

Three-dimensional angle adjustment anchor clamps are used in precision parts machining operation

Technical Field

The invention relates to the technical field of clamps, in particular to a three-dimensional angle adjusting clamp for precision part machining operation.

Background

The clamp is used for fixing a processing object in the mechanical manufacturing process, so that the processing object can occupy the correct position and can accept a device for construction or detection, in the processing process of some precise parts, the parts need to be clamped stably, the condition that part processing generates deviation due to unstable clamping is eliminated, most clamping cannot conveniently switch clamping modes at present, only one of vertical clamping modes or horizontal clamping modes can be performed, the angle of the clamped parts cannot be adjusted, or the angle of the clamped parts can be adjusted but can be adjusted in one direction, when the parts are processed, the parts need to be clamped again for different angle adjustments, and the use is inconvenient.

Disclosure of Invention

The invention aims to provide a three-dimensional angle adjusting clamp for precision part machining operation, and solves the problems that the three-dimensional angle cannot be adjusted and the clamping mode cannot be switched by a precision part clamp.

The invention is realized by the following technical scheme.

The invention relates to a three-dimensional angle adjusting clamp for precision part machining operation, which comprises a base, wherein an adjusting ring cavity with an upward opening is arranged in the base, fixed columns are respectively and fixedly arranged on the left side and the right side of the upper end surface of the base, rotating shafts are respectively and rotatably arranged in opposite end surfaces of the fixed columns on the left side and the right side, an adjusting ring is jointly and fixedly arranged between opposite end surfaces of the rotating shafts on the left side and the right side, a switching cavity is arranged in the fixed column on the left side, the left end of the rotating shaft on the left side extends into the switching cavity, a driven gear is fixedly arranged on the outer circular surface, brake lifting plate cavities are symmetrically and respectively communicated on the left side and the upper side and the lower side of the switching cavity, brake lifting plates capable of sliding up and down are respectively arranged in the brake lifting plate cavities on the upper side and the lower side, brake connecting blocks are respectively, the brake block can play a braking role on the outer circular surface of the rotating shaft, an arc-shaped rotating chute is arranged in the adjusting ring, a connecting rod cavity with an upward opening is communicated with the upper side of the rotating chute, a rotating slide block is arranged in the rotating chute in a sliding manner, a connecting rod capable of sliding in the connecting rod cavity is fixedly arranged on the upper end surface of the rotating slide block, a connecting block is fixedly arranged on the upper end surface of the connecting rod, a driving hinge column is fixedly arranged on the left side of the connecting rod cavity and on the inner circular wall of the adjusting ring, a driven hinge column is fixedly arranged on the left end surface of the connecting rod, clamping bases are symmetrically and respectively and fixedly arranged on the left side and the right side of the upper end surface of the connecting block, clamping slide block cavities with upward openings are arranged in the clamping bases on the left side and the right side, a bottom plate is, the front and back symmetry of the upper end face of the clamping slide block is respectively and fixedly provided with a lifting guide rod, the front side and the back side of the outer circular surface of the lifting guide rod are in sliding connection with a clamping lifting plate, a clamping column is fixedly arranged between the clamping lifting plate and the clamping lifting plate at the front side and the back side of the clamping lifting plate, and a connecting spring is fixedly connected between the lower end face of the clamping column and the upper end face of the clamping slide.

Preferably, switch in the chamber right wall and be in the pivot downside rotates and is equipped with the driving shaft, driving shaft excircle spline connection has the spline sleeve, the driving shaft excircle just is in the fixed plate that is equipped with in spline sleeve right side, spline sleeve right-hand member with fixedly connected with reset spring between the fixed plate left end face, spline sleeve right-hand member with fixed plate left end face is fixed respectively and is equipped with the switching electro-magnet that can opposite sex is inhaled, spline sleeve excircle fixed be equipped with can with driven gear meshing's driving gear, switch in the chamber right wall and be in the fixed power motor that is equipped with of pivot downside, driving shaft right-hand member power connect in the power motor left end face.

Preferably, the left wall of the switching cavity and the lower side of the brake lifting plate cavity are communicated with each other to form a brake sliding cavity, a brake double screw is rotatably arranged between the upper wall and the lower wall of the brake lifting plate cavity on the upper side and the lower side, the outer circular surfaces of the upper end and the lower end of the braking double screw are respectively in threaded connection with the braking lifting plate, the lower end of the braking double screw extends into the braking sliding cavity, a braking gear is fixedly arranged on the outer circular surface, a rack sliding block is arranged in the braking sliding cavity and can slide left and right on the rear side of the braking gear, a braking rack meshed with the braking gear is fixedly arranged in the front end face of the rack sliding block, an annular braking sliding block cavity is arranged in the driving gear, the left side of the brake sliding block cavity is communicated with a communicating cavity with a left opening, a brake sliding block is connected in the brake sliding block cavity in a sliding way, the right end of the rack sliding block penetrates through the communicating cavity to extend to the braking sliding block cavity and is fixedly connected with the left end face of the braking sliding block.

Preferably, the initiative hinge post is close to one of connecting block serves and goes up hinged joint has initiative hinge bar, be equipped with the piston chamber in the initiative hinge bar, piston chamber upper right side intercommunication is equipped with the telescopic link chamber of opening orientation upper right, piston intracavity sliding connection has the piston, the fixed telescopic link that is equipped with of piston upper right end face, telescopic link upper right end with sliding connection between the telescopic link chamber, driven hinge post left end hinged joint has driven hinge bar, telescopic link upper right end with fixed connection between the driven hinge bar, piston chamber lower left wall internal fixation is equipped with the hydraulic pump, the hydraulic pump can control the hydraulic oil volume in the piston chamber.

Preferably, guide rods which incline downwards towards the direction close to the bottom plate are fixedly arranged between the left wall and the right wall in the clamping columns on the left side and the right side, inclined sliding cavities are arranged in the clamping columns on the left side and the right side in a left-right through manner, the sliding cavities are connected with the guide rods in a sliding manner, clamping double screws are rotatably arranged between the left wall and the right wall of the clamping slide block cavities on the left side and the right side, outer circular surfaces of the left end and the right end of each clamping double screw are respectively in threaded connection with the clamping slide blocks on the left side and the right side, and the left ends of the clamping double screws extend to the.

Preferably, the left and right sides press from both sides tight post upper end outer disc sliding connection respectively and have the conversion sleeve, be equipped with the decurrent conversion of opening in the conversion sleeve and connect the chamber with press from both sides sliding connection between the tight post outer disc, the conversion is connected the chamber left and right sides and is communicated respectively and is equipped with the decurrent constant head tank of opening, press from both sides tight post upper end outer disc left and right sides and fixedly be equipped with respectively can be in gliding locating piece in the constant head tank, threaded connection has fixing bolt in the conversion sleeve upper end face, conversion sleeve upper end with press from both sides and fix together through threaded connection between the tight post upper end face, the left and right sides the fixed clamp plate that is equipped with in conversion sleeve outer disc, the left and right.

The invention has the beneficial effects that: the device can clamp precise and small parts in different directions, can adjust the three-dimensional angle of the clamped part through a skillful mechanism, and is convenient for processing operation of the parts.

Drawings

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

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the embodiment of the present invention at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the embodiment of the present invention at B in FIG. 1;

FIG. 4 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 1;

FIG. 5 is a schematic diagram of D-D shown in FIG. 4 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The three-dimensional angle adjusting clamp for precision part machining operation described in conjunction with fig. 1-5 comprises a base 11, an adjusting ring cavity 12 with an upward opening is provided in the base 11, fixing columns 13 are respectively fixed on the left and right sides of the adjusting ring cavity 12 on the upper end surface of the base 11, rotating shafts 14 are respectively rotatably provided in the opposite end surfaces of the fixing columns 13 on the left and right sides, an adjusting ring 15 is jointly fixed between the opposite end surfaces of the rotating shafts 14 on the left and right sides, a switching cavity 21 is provided in the fixing column 13 on the left side, the left end of the rotating shaft 14 on the left side extends into the switching cavity 21, a driven gear 22 is fixedly provided on the outer circumferential surface of the rotating shaft, brake lifter plate cavities 23 are respectively communicated on the left side of the switching cavity 21 and are symmetrical on the upper and lower sides of the rotating shaft 14, brake lifter plates 65 capable of sliding up and down are respectively provided in the brake lifter plate cavities 23 on the upper and lower, the brake block 25 is fixedly arranged on one end face, opposite to the brake connecting block 24, of the upper side and the lower side respectively, the brake block 25 can play a braking role on the outer circular face of the rotating shaft 14, an arc-shaped rotating chute 16 is arranged in the adjusting ring 15, a connecting rod cavity 18 with an upward opening is communicated with the upper side of the rotating chute 16, a rotating slider 17 is arranged in the rotating chute 16 in a sliding manner, a connecting rod 19 capable of sliding in the connecting rod cavity 18 is fixedly arranged on the upper end face of the rotating slider 17, a connecting block 20 is fixedly arranged on the upper end face of the connecting rod 19, a driving hinge column 39 is fixedly arranged on the inner circular wall of the adjusting ring 15 and on the left side of the connecting rod cavity 18, a driven hinge column 68 is fixedly arranged on the left end face of the connecting rod 19, clamping bases 46 with upward openings are symmetrically and respectively fixedly arranged on the left, the left and right sides press from both sides fixedly connected with bottom plate 50 between the relative terminal surface of tight base 46, the left and right sides press from both sides tight slider cavity 47 in can the horizontal slip respectively and be equipped with and press from both sides tight slider 51, press from both sides tight slider 51 up end front and back symmetry respectively and fixedly equipped with lift guide 62, both sides around the outer disc sliding connection of lift guide 62 has and presss from both sides tight lifter plate 61, both sides around the clamp is fixed jointly between the lifter plate 61 and is equipped with and press from both sides tight post 54, press from both sides tight post 54 down the terminal surface with press from both sides fixedly connected with connecting spring 53 between the.

Beneficially, a driving shaft 27 is rotatably arranged in the right wall of the switching cavity 21 and on the lower side of the rotating shaft 14, a spline sleeve 31 is connected to an outer circular surface of the driving shaft 27 through a spline, a fixing plate 70 is fixedly arranged on the right side of the spline sleeve 31, a return spring 29 is fixedly connected between the right end surface of the spline sleeve 31 and the left end surface of the fixing plate 70, switching electromagnets 30 capable of attracting in opposite directions are fixedly arranged on the right end surface of the spline sleeve 31 and the left end surface of the fixing plate 70 respectively, a driving gear 66 capable of being meshed with the driven gear 22 is fixedly arranged on the outer circular surface of the spline sleeve 31, a power motor 28 is fixedly arranged on the lower side of the rotating shaft 14 in the right wall of the switching cavity 21, and the right end of the driving shaft 27 is connected to.

Beneficially, a brake sliding cavity 67 is formed in the left wall of the switching cavity 21 and communicated with the lower side of the brake lifter plate cavity 23 on the lower side, a brake double screw 26 is rotatably arranged between the upper wall and the lower wall of the brake lifter plate cavity 23 on the upper side and the lower side, outer circular surfaces of the upper end and the lower end of the brake double screw 26 are respectively in threaded connection with the brake lifter plate 65, the lower end of the brake double screw 26 extends into the brake sliding cavity 67, a brake gear 36 is fixedly arranged on the outer circular surface, a rack slider 35 is arranged in the brake sliding cavity 67 and can slide left and right on the rear side of the brake gear 36, a brake rack 37 engaged with the brake gear 36 is fixedly arranged in the front end surface of the rack slider 35, an annular brake slider cavity 33 is arranged in the drive gear 66, a communication cavity 34 with a left opening is communicated with the left side of the brake slider cavity 33, and a brake slider, the right end of the rack sliding block 35 penetrates through the communicating cavity 34, extends to the brake sliding block cavity 33 and is fixedly connected with the left end face of the brake sliding block 32.

Beneficially, the initiative hinge post 39 is close to one of connecting block 20 is served and is hinged joint has initiative hinge rod 40, be equipped with piston chamber 43 in the initiative hinge rod 40, piston chamber 43 upper right side intercommunication is equipped with opening towards upper right telescopic link chamber 69, sliding connection has piston 44 in the piston chamber 43, the fixed telescopic link 42 that is equipped with of piston 44 upper right end face, telescopic link 42 upper right end with sliding connection between the telescopic link chamber 69, driven hinge post 68 left end hinged joint has driven hinge rod 41, telescopic link 42 upper right end with fixed connection between the driven hinge rod 41, the left lower wall internal fixation of piston chamber 43 is equipped with hydraulic pump 45, hydraulic pump 45 can control the hydraulic oil volume in the piston chamber 43.

Beneficially, guide rods 52 inclined downward toward the direction close to the bottom plate 50 are fixedly arranged between left and right walls in the left and right clamping columns 54, inclined sliding cavities 63 are formed in the left and right clamping columns 54 on the left and right sides in a penetrating manner, the sliding cavities 63 are connected with the guide rods 52 in a sliding manner, clamping twin screws 48 are rotatably arranged between left and right walls of the clamping slider cavities 47 on the left and right sides, outer circular surfaces of left and right ends of the clamping twin screws 48 are respectively connected with the clamping sliders 51 on the left and right sides in a threaded manner, the left ends of the clamping twin screws 48 extend to the left side of the clamping base 46 on the left side, and driving rotating wheels 49 are fixedly arranged on the left end surfaces.

Beneficially, the outer circular surfaces of the upper ends of the left and right clamping columns 54 are respectively slidably connected with a conversion sleeve 55, a conversion connection cavity 64 with a downward opening is arranged in the conversion sleeve 55, the conversion connection cavity 64 is slidably connected with the outer circular surface of the clamping column 54, the left and right sides of the conversion connection cavity 64 are respectively communicated with a positioning groove 59 with a downward opening, the left and right sides of the outer circular surface of the upper end of the clamping column 54 are respectively fixedly provided with a positioning block 60 capable of sliding in the positioning groove 59, the inner surface of the upper end of the conversion sleeve 55 is internally and threadedly connected with a fixing bolt 56, the upper end of the conversion sleeve 55 and the upper end surface of the clamping column 54 can be fixed together through threaded connection, the outer circular surfaces of the conversion sleeve 55 on the left and right sides are fixedly provided with a clamping plate 57, and one end surface.

In the initial state, the upper and lower brake pads 25 are close to each other and contact the outer circular surface of the rotating shaft 14, the spline sleeve 31 is located at the left limit position, the pinion gear 66 is located at the left limit position, the rack slider 35 is located at the left limit position, the clamping column 54 is located at the left limit position, the clamping slider 51 is located at the left limit position, the connecting spring 53 is in the stretched state, and the clamping lifting plate 61 is located at the upper limit position.

When the machine is in operation, a part needing to be processed is placed on the upper end surface of the bottom plate 50, at the moment, the driving rotating wheel 49 is manually rotated to drive the clamping double screws 48 to rotate and drive the left and right clamping sliders 51 to approach each other through threaded connection, further drive the left and right lifting guide rods 62 to approach each other and drive the left and right clamping lifting plates 61 to approach each other, further drive the left and right clamping columns 54 to approach each other, meanwhile, as the guide rods 52 slide relatively along the sliding cavity 63, the clamping columns 54 are driven to move downwards and drive the clamping lifting plates 61 to move downwards, the left and right clamping columns 54 approach each other and move downwards to drive the left and right conversion sleeves 55 to approach each other and move downwards, further drive the left and right clamping plates 57 to approach each other and move downwards, thereby clamping the part on the upper end surface of the bottom plate 50, the fixing bolt 56 is unscrewed, so that the conversion sleeve 55 and the clamping column 54 can be separated, the conversion sleeve 55 moves upwards and rotates one hundred eighty degrees, so that the clamping blocks 58 on the left side and the right side are rotated to the inner side, the conversion connecting cavity 64 is sleeved on the outer circular surface of the clamping column 54, the positioning block 60 slides into the positioning groove 59 just right, the conversion sleeve 55 and the clamping column 54 are fixedly connected through the fixing bolt 56, the clamping blocks 58 on the left side and the right side are driven to mutually approach and move downwards through the steps, so that the part is clamped left and right, the clamping of the part is completed, when the angle of the part needs to be adjusted, the switching electromagnet 30 is electrified, the spline sleeve 31 is driven to move rightwards through magnetic force opposite attraction, the reset spring 29 is compressed, the driving pinion 66 is driven to move rightwards, the braking slider 32 is driven to move rightwards, the rack slider 35 is driven to move, then the brake gear 36 is driven to rotate by the gear-rack meshing and drives the brake double screw 26 to rotate, and further drives the upper and lower brake lifting plates 65 to move away from each other by the threaded connection, and further drives the upper and lower brake connecting blocks 24 to move away from each other and drives the upper and lower brake blocks 25 to move away from each other, so that the rotating shaft 14 is not braked any more, and simultaneously the driving gear 66 moves to the right limit position to engage with the driven gear 22, at which time the power motor 28 is started, and the driving shaft 27 is driven to rotate and drives the fixing plate 70 to rotate by the power connection, and further drives the spline sleeve 31 to rotate and drives the driving gear 66 to rotate, and further the brake slider 32 slides relatively in the brake slider cavity 33, and the driving gear 66 rotates and drives the driven gear 22 to rotate by the gear meshing and drives, thereby driving the right rotary shaft 14 to rotate, the adjusting ring 15 rotates to drive the rotary slide block 17 to rotate and drive the connecting rod 19 to rotate, further driving the connecting block 20 to rotate and drive the clamping base 46 to rotate, further driving the bottom plate 50 to rotate and drive the clamping plate 57 to rotate, further driving the clamped part to rotate around the rotary shaft 14 to move an angle, when the angle adjustment in the front-back direction is completed, the power motor 28 is stopped and the switching electromagnet 30 is powered off, the spline sleeve 31 is driven to move to the left by the elastic force of the return spring 29, the brake block 25 and the driving gear 66 are driven to reset by the transmission, further the left rotary shaft 14 is braked, thereby avoiding the rotation of the part, when the angle adjustment in the left-right direction needs to be performed on the part, the hydraulic pump 45 is started, the piston 44 is driven to slide by adjusting the volume of the hydraulic oil in the piston cavity 43, further driving the telescopic, thereby drive connecting rod 19 and slide along connecting rod chamber 18 and drive and rotate slider 17 and slide along rotating spout 16, and then drive connecting block 20 and take place to rotate and drive and press from both sides tight base 46 and take place to rotate in left and right directions, and then drive bottom plate 50 and clamp plate 57 and take place to rotate and drive the part and take place to rotate in left and right directions to adjust the angle of part left and right directions, conveniently carry out the processing operation.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a precision parts machining operation is with solid angular adjustment anchor clamps, includes the base, its characterized in that: an adjusting ring cavity with an upward opening is arranged in the base, fixed columns are respectively fixedly arranged on the upper end surface of the base and on the left side and the right side of the adjusting ring cavity, rotating shafts are respectively and rotatably arranged in opposite end surfaces of the fixed columns on the left side and the right side, an adjusting ring is jointly and fixedly arranged between opposite end surfaces of the rotating shafts on the left side and the right side, a switching cavity is arranged in the fixed column on the left side, the left end of the rotating shaft on the left side extends into the switching cavity, a driven gear is fixedly arranged on the outer circular surface of the rotating shaft, brake lifting plate cavities are symmetrically and respectively communicated on the left side and the right side of the switching cavity, brake lifting plates capable of sliding up and down are respectively arranged in the brake lifting plate cavities on the upper side and the lower side, brake connecting blocks are respectively and fixedly arranged on opposite end surfaces of the brake lifting, an arc-shaped rotating chute is arranged in the adjusting ring, a connecting rod cavity with an upward opening is communicated with the upper side of the rotating chute, a rotating slide block is arranged in the rotating chute in a sliding manner, a connecting rod capable of sliding in the connecting rod cavity is fixedly arranged on the upper end face of the rotating slide block, a connecting block is fixedly arranged on the upper end face of the connecting rod, a driving hinge column is fixedly arranged on the inner circular wall of the adjusting ring and on the left side of the connecting rod cavity, a driven hinge column is fixedly arranged on the left end face of the connecting rod, clamping bases are symmetrically and respectively fixedly arranged on the left side and the right side of the upper end face of the connecting block, clamping slide block cavities with upward openings are arranged in the clamping bases on the left side and the right side, a bottom plate is fixedly connected between the opposite end faces of the clamping bases on the left side and the right side, clamping slide, the outer circular surface of the lifting guide rod on the front side and the rear side is connected with a clamping lifting plate in a sliding mode, a clamping column is fixedly arranged between the clamping lifting plate on the front side and the rear side, and a connecting spring is fixedly connected between the lower end face of the clamping column and the upper end face of the clamping sliding block.

2. The solid angle adjusting jig for precision parts machining operation according to claim 1, characterized in that: switch in the chamber right wall and just be in the pivot downside rotates and is equipped with the driving shaft, driving shaft excircle spline connection has the spline sleeve, driving shaft excircle just is in the fixed plate that is equipped with in spline sleeve right side, spline sleeve right-hand member with fixedly connected with reset spring between the fixed plate left end face, spline sleeve right-hand member with fixed plate left end face is fixed respectively and is equipped with the switching electro-magnet that can opposite sex mutually inhale, spline sleeve excircle fixed be equipped with can with driven gear engaged's driving gear, just be in switching chamber right wall the fixed driving motor that is equipped with of pivot downside, driving shaft right-hand member power connect in the driving motor left end face.

3. The solid angle adjusting jig for precision parts machining operation according to claim 2, characterized in that: a braking sliding cavity is communicated and arranged on the left wall of the switching cavity and on the lower side of the braking lifting plate cavity, a braking double screw is rotatably arranged between the upper wall and the lower wall of the braking lifting plate cavity on the upper side and the lower side, the outer circular surfaces of the upper end and the lower end of the braking double screw are respectively in threaded connection with the braking lifting plate, the lower end of the braking double screw extends into the braking sliding cavity, a braking gear is fixedly arranged on the outer circular surface, a rack sliding block is arranged in the braking sliding cavity and can slide left and right on the rear side of the braking gear, a braking rack meshed with the braking gear is fixedly arranged in the front end face of the rack sliding block, an annular braking sliding block cavity is arranged in the driving gear, the left side of the brake sliding block cavity is communicated with a communicating cavity with a left opening, a brake sliding block is connected in the brake sliding block cavity in a sliding way, the right end of the rack sliding block penetrates through the communicating cavity to extend to the braking sliding block cavity and is fixedly connected with the left end face of the braking sliding block.

4. The solid angle adjusting jig for precision parts machining operation according to claim 1, characterized in that: the utility model discloses a hydraulic pump, including connecting block, initiative hinge post, telescopic link, driven hinge post, connecting block, articulated joint, be equipped with the piston chamber in the initiative hinge post, piston chamber upper right side intercommunication is equipped with the opening telescopic link chamber towards upper right, piston intracavity sliding connection has the piston, the fixed telescopic link that is equipped with of piston upper right end face, telescopic link upper right end with sliding connection between the telescopic link chamber, driven hinge post left end articulated link joint has driven hinge post, telescopic link upper right end with fixed connection between the driven hinge post, piston chamber lower left wall internal fixation is equipped with the hydraulic pump, the hydraulic pump can control the hydraulic oil volume.

5. The solid angle adjusting jig for precision parts machining operation according to claim 1, characterized in that: the guide rods which incline downwards towards the direction close to the bottom plate are fixedly arranged between the left wall and the right wall in the clamping columns on the left side and the right side, the left side and the right side are provided with inclined sliding cavities which are communicated from left to right in the clamping columns, the sliding cavities are connected with the guide rods in a sliding mode, clamping double screws are rotatably arranged between the left wall and the right wall of the clamping slide block cavity on the left side and the right side, outer circular surfaces of the left end and the right end of each clamping double screw are respectively connected with the left side and the right side through threads between the clamping slide blocks, and the left ends of the clamping double screws extend.

6. The solid angle adjusting jig for precision parts machining operation according to claim 1, characterized in that: the left and right sides press from both sides tight post upper end outer disc sliding connection respectively and have the conversion sleeve, be equipped with the decurrent conversion of opening in the conversion sleeve and connect the chamber with press from both sides sliding connection between the tight post outer disc, the conversion is connected the chamber left and right sides and is communicated respectively and is equipped with the decurrent constant head tank of opening, press from both sides tight post upper end outer disc left and right sides and fixedly be equipped with respectively can be in gliding locating piece in the constant head tank, conversion sleeve upper end internal thread is connected with fixing bolt, conversion sleeve upper end with press from both sides and fix together through threaded connection between the tight post upper end, the left and right sides the outer disc of conversion sleeve is fixed and is equipped with the clamp plate, the left and.