CN116276181A

CN116276181A - Frock clamp based on instrument and meter production

Info

Publication number: CN116276181A
Application number: CN202310521856.2A
Authority: CN
Inventors: 胡伟
Original assignee: Shanxi Huqinwei Technology Co ltd
Current assignee: Shanxi Huqinwei Technology Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-06-23

Abstract

The invention discloses a tool clamp for instrument and meter production, which comprises a metal bottom plate, wherein the top of the metal bottom plate is fixedly connected with a base, the top of the base is fixedly connected with a chuck flange, the right side of the chuck flange is rotationally connected with a clamp device, the clamp device penetrates through the inside of the chuck flange, and the left side and the right side of the top of the chuck flange are fixedly connected with supporting blocks. This frock clamp is used in instrument and meter production based on main shaft is through supplementary bandeau center ejector pad synchronous operation, supports the outside of head to the work piece centre gripping, and the work piece that the head was supported is parallel with the work piece of centre cavity centre gripping, makes the work piece have balanced effect, has more stable effect than prior art, and arc plate protects it simultaneously, avoids because the work piece is because of the rotational speed is faster adds holding force not enough, and the departure hurts the people, promotes security performance and stability.

Description

Frock clamp based on instrument and meter production

Technical Field

The invention relates to the technical field of turning, in particular to a tool clamp for instrument and meter production.

Background

Turning refers to turning of a rotating workpiece by turning tools, which is a part of machining, and turning of a rotating workpiece by turning tools, which is mainly used for machining shafts, discs, sleeves and other revolving or non-revolving workpieces with revolving surfaces, and is the most widely used type of machining in machinery manufacturing and repair factories, wherein the housing of an instrument is assembled and precisely machined with a lathe fixture in the middle and rear sections of production.

In the existing turning technology, the instrument workpiece is mainly clamped inside the chuck, the instrument workpiece is cut into a required rotating body by the turning tool, but when a plurality of special-shaped instrument shells are machined, the situation that the clamping is unstable is frequently caused, the situation that the workpiece is thrown away can even occur, the workpiece is frequently clamped too much for the second time, the repeated actions are relatively more, the working efficiency is greatly reduced by the traditional mode, the tool clamp is not convenient to carry out, and meanwhile, a plurality of scrap iron residues are generated by turning and remain among all parts in the process, so that the production and machining environment in the process is not facilitated.

Disclosure of Invention

In order to solve the technical problems, the invention provides a tool clamp for instrument and meter production.

In order to achieve the purposes of automatically improving the stability of the clamp and preventing excessive scrap iron dust from occurring in the clamp, the invention is realized by the following technical scheme: the utility model provides a frock clamp based on instrument and meter production is with frock clamp, includes the metal soleplate, metal soleplate top fixedly connected with base, base top fixedly connected with chuck flange, chuck flange right side rotates and is connected with fixture device, through fixture device's setting, promotes inside clamping performance and obtains promoting, guarantees the quality of inside processing, realizes reducing frequent secondary centre gripping's number of times, and fixture device runs through the inside of chuck flange, chuck flange top swing joint has the locating claw, chuck flange top both sides all fixedly connected with supporting shoe, and the supporting shoe is located the rear end of locating claw, supporting shoe top fixedly connected with guard plate, guard plate top's centre swing joint has centring means, and centring means runs through guard plate and extends to chuck flange department, the inside swing joint of collection box seat has the filter layer, through centring means's setting, makes inside accurate heart point can be quick discerned, reaches the effect of quick operation, is convenient for shake to inside dust simultaneously, metal soleplate top rear end fixedly connected with collection box seat;

the fixture device comprises a driving shaft member, the left end of the driving shaft member is fixedly connected with an extrusion condition, the driving shaft member is welded on the outer surface of the extrusion condition, the middle part of the outer surface of the extrusion condition is fixedly connected with a rotary tooth, the top of the rotary tooth is rotationally connected with a core bar, the top of the core bar is movably connected with a central cavity, the central cavity is uniformly distributed by taking the central line of the core bar as a reference, a chute is formed in the central cavity, a sliding plate is slidingly connected with the inner side of the chute, the top of the core bar is movably connected with an auxiliary device, the effect of internal processing is guaranteed through the arrangement of the auxiliary device, the purpose of auxiliary fixture operation is achieved, and a workpiece is lifted.

Preferably, the positioning claw is located the inside groove at chuck flange top, and the protection plate is linked together with the chuck flange through the supporting shoe, and the chuck flange impels inside can normally effectual processing basis, the positioning claw uses the central axis of chuck flange as the reference and evenly distributed.

Preferably, the extrusion condition is evenly distributed with the central line of core strip, the cell body that matches with the central cavity is seted up at core strip top, and the core strip cell body is the design of circumference shape, and the same centre of a circle of central cavity and extrusion condition and core strip sharing, auxiliary device still includes the displacement piece, displacement piece top fixedly connected with main shaft, main shaft surface fixedly connected with arc plate, arc plate inside groove swing joint has the supporting head, arc plate internal surface and be close to main shaft one side fixedly connected with auxiliary head, auxiliary head openly fixedly connected with center push block, and the one end fixedly connected with bead penetration strip that the center push block is close to the supporting head, the main shaft moves the inside of arc plate through auxiliary head, and center push block supports the supporting head operation, and the arc plate protects the outside, and the supporting head takes place certain rotation, and the bead penetration strip is located between the supporting head and the auxiliary head, center push block and auxiliary head and bead penetration strip are symmetrical setting, and the shape is for the supporting head, and the bead penetration strip is the arc plate is formed with the corresponding track of arc, the arc segment penetration strip is arranged to the inside, the arc segment penetration strip is formed with the arc.

Preferably, the centering device comprises a supporting column, the setting of the centering device enables an internal centering point to be quickly identified, the effect of quick operation is achieved, meanwhile, dust inside is convenient to shake, the outer surface of the supporting column is movably connected with stirring teeth, the middle part of the outer surface of the supporting column is fixedly connected with a laminate piece, the bottom of the laminate piece is fixedly connected with a mounting iron plate, the mounting iron plate is positioned on the back of the supporting column, the back of the mounting iron plate is fixedly connected with a metal cavity, the inner part of the metal cavity is movably connected with a shaking piece, the top end of the outer surface of the supporting column is fixedly connected with a distance adjusting rod piece, the middle of the bottom of the distance adjusting rod piece is fixedly provided with an amplifying lens, the shaking piece, the metal cavity and the laminate piece are symmetrically arranged, the specification and the size of the shaking piece are identical, the metal cavity is of a flat design, the distance adjusting rod piece drives the amplifying lens to move upwards or downwards along with the amplifying lens, the stirring teeth are pushed to the position of a protection plate, the small magnet on the tooth is adsorbed to the bottom of the plate, the protection plate is fixedly arranged on the bottom, the amplifying lens is provided with the position of the protection plate, the aligning center according to the requirement, the top of the positioning rod piece is fixedly connected with a distance adjusting rod piece, the distance adjusting rod piece is arranged on the surface of the amplifying lens, the distance adjusting rod piece is arranged on the spindle, the spindle is arranged on the spindle, and the spindle is in a position of the distance adjusting rod is formed between the spindle, and the distance adjusting rod and the spindle, and the spindle is the distance between the positioning rod and the positioning rod is the spindle and the spindle.

The invention provides a tool clamp for instrument and meter production. The beneficial effects are as follows:

1. this frock clamp for instrument and meter production based on drive shaft spare circular telegram takes place certain rotation, drives extrusion condition synchronous motion when the drive shaft spare is rotatory, and extrusion condition outside fixed connection's rotatory tooth moves along with it, rotatory tooth and core strip intermeshing, and then makes the core strip take place to rotate to make equipment have the basic function of automatic work piece centre gripping, lay a condition for subsequent processing.

2. This frock clamp is used in instrument and meter production based on, has the slip landing leg through the design of central cavity bottom, and the central cavity landing leg moves along rotatory tooth inside cell body, and the slide receives rotatory tooth rotatory centrifugal force effect and moves, and the slide slides along central cavity inside groove, and the locating claw at central cavity linkage top is along with the operation, and the locating claw extrudees towards the middle part gradually to process the work piece, guarantee the accurate effect of quick automatic positioning, carry out the centre gripping to the work piece simultaneously, realize quick firm purpose.

3. This frock clamp is used in instrument and meter production, through the synchronous operation of auxiliary head movable center ejector pad of main shaft, the center ejector pad inserts to the inside of arc plate, and the center ejector pad supports the operation of supporting head, the arc plate protects the outside, the supporting head takes place certain rotation, the displacement operation of supporting head toward being close to extrusion condition axle center department dysmorphism work piece, the outside of supporting head to the work piece centre gripping supports, the supporting head supports the opposite side of work piece gradually, the work piece that the supporting head supported is parallel with the work piece that the center cavity held, promote the work piece to have balanced effect, promote firm effect, prevent outside because rock and drop, compared prior art has more stable effect, the arc plate protects it simultaneously, avoid flying out to hurt the people because the work piece is because of the rotational speed is faster adds holding force is not enough, promote security performance and stability.

4. This frock clamp is used in instrument and meter production drives distance regulating member synchronous operation through the stay, and distance regulating member drives and enlarges lens and upwards or downward motion thereupon, stirs tooth and promotes to protection plate department, stirs the little magnet on the tooth and adsorbs to protection plate bottom and fix, enlarges the lens and has and aim at center department as required, plays the effect of amplifying accurate heart, avoids because frequent change clamping position and repetitive motion too much condition, realizes quick location's effect.

5. This frock clamp is used in instrument and meter production, shake the piece through settling the iron plate and shake through the metal cavity, shake the piece shake and take place certain amplitude, shake the piece and receive ascending reverse force effect and shake downwards, shake the piece and strike the filter layer, the filter layer takes place the motion, the filter layer shakes the dust gradually to prevent remaining dust shake out between each part, and then promote inside clean effect, promote the convenience of use, realize inside cleanness.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the guard plate of the present invention;

FIG. 3 is a schematic view of the chuck flange of the present invention;

FIG. 4 is a schematic view of the structure of the drive shaft member of the present invention;

FIG. 5 is a schematic view of the structure of the positioning pawl of the present invention;

FIG. 6 is a schematic view of the auxiliary device of the present invention;

FIG. 7 is a schematic view of a displacement member according to the present invention;

FIG. 8 is a schematic view of the structure of the centering device of the present invention;

FIG. 9 is an enlarged schematic view of a portion of the metal cavity structure of FIG. 8A in accordance with the present invention;

FIG. 10 is a schematic view of the structure of a filter layer of the present invention.

In the figure: 1. a metal base plate; 2. a base; 3. a chuck flange; 4. a clamp device; 5. a positioning claw; 6. a centering device; 7. a protective plate; 8. a support block; 9. a collection box base; 41. a drive shaft member; 42. extrusion conditions; 43. rotating the teeth; 44. a core strip; 45. a central cavity; 46. a slide plate; 47. a chute; 48. an auxiliary device; 480. a displacement member; 481. a main shaft; 482. an auxiliary head; 483. a center push block; 484. threading the pressing bar; 485. supporting the head; 486. arc segment plate; 61. a strut; 62. a laminate member; 63. stirring teeth; 64. an iron plate is arranged; 65. a distance-adjusting rod piece; 66. an magnifying lens; 67. a metal cavity; 68. a dithering member; 69. and (5) a filter layer.

Detailed Description

The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a frock clamp based on instrument and meter production is with frock clamp, includes metal soleplate 1, metal soleplate 1 top fixedly connected with base 2, and base 2 top fixedly connected with chuck flange 3, chuck flange 3 right side rotate and are connected with fixture device 4, through fixture device 4's setting, promote inside clamping performance to obtain promoting, guarantee the quality of inside processing, realize reducing frequent secondary centre gripping's number of times, and fixture device 4 runs through the inside of chuck flange 3;

the fixture device 4 comprises a driving shaft member 41, the left end of the driving shaft member 41 is fixedly connected with an extrusion condition 42, the driving shaft member 41 is welded on the outer surface of the extrusion condition 42, the middle part of the outer surface of the extrusion condition 42 is fixedly connected with a rotary tooth 43, the top of the rotary tooth 43 is rotationally connected with a core strip 44, the top of the core strip 44 is movably connected with a central cavity 45, the central cavity 45 is uniformly distributed by taking the central line of the core strip 44 as a reference, a sliding groove 47 is formed in the central cavity 45, a sliding plate 46 is slidably connected with the inner side of the sliding groove 47, an auxiliary device 48 is movably connected with the top groove of the core strip 44, the internal processing effect is ensured through the arrangement of the auxiliary device 48, the purpose of auxiliary fixture operation is realized, and a workpiece is lifted.

The extrusion condition 42 is evenly distributed through the center line of the core bar 44, the groove body matched with the central cavity 45 is formed in the top of the core bar 44, the groove body of the core bar 44 is of a circumferential shape design, the central cavity 45, the extrusion condition 42 and the core bar 44 share the same center, the auxiliary device 48 further comprises a displacement piece 480, a main shaft 481 is fixedly connected to the top of the displacement piece 480, an arc piece 486 is fixedly connected to the outer surface of the main shaft 481, a supporting head 485 is movably connected to the inner surface of the arc piece 486 in the groove of the arc piece 486, an auxiliary head 482 is fixedly connected to one side of the inner surface of the arc piece 486, which is close to the main shaft 481, a penetrating strip 484 is fixedly connected to one end of the auxiliary head 482, which is close to the supporting head 485, the center pushing piece 483 is driven to synchronously operate by the auxiliary head 482, the center pushing piece 483 is inserted into the inner part of the arc piece 486, the center pushing piece 483 is pushed against the supporting head 485, the outer part of the arc piece 486 is protected, the supporting head 485 is rotated to a certain extent, the penetrating strip 484 is positioned between the supporting head 482 and the auxiliary head 485, the inner surface of the arc piece 484 is provided with an arc piece 486, and the penetrating strip is arranged to be matched with the inner arc piece 484, and the inner arc piece 484 is of the arc piece 486, and the arc piece 484 is arranged to be matched with the inner arc piece 486.

When the automatic clamping device is used, firstly, the installation and fixation and safety protection of the automatic clamping device are checked, the servo motor is started, one end of the motor is communicated with the driving shaft piece 41 in the clamping device 4, the driving shaft piece 41 is electrified to rotate to a certain extent, the driving shaft piece 41 drives the extrusion condition 42 to synchronously move when rotating, the rotating teeth 43 fixedly connected with the outer side of the extrusion condition 42 move along with the rotation of the rotating teeth, and the rotating teeth 43 are meshed with the core strip 44, so that the core strip 44 rotates, the automatic clamping device has the basic function of automatic workpiece clamping, and the condition is laid for subsequent processing.

When the instrument workpiece is required to be processed, the workpiece is placed at the axis of the core strip 44, the rotary teeth 43 are rotated to be in extrusion interaction with the central cavity 45, the bottom of the central cavity 45 is provided with sliding support legs, the support legs of the central cavity 45 run along the inner groove of the rotary teeth 43, the sliding plate 46 runs under the action of the rotary centrifugal force of the rotary teeth 43, the sliding plate 46 slides along the inner groove of the central cavity 45, the positioning claw 5 at the top of the central cavity 45 is in extrusion towards the middle gradually along with the running, so that the workpiece is processed, the effect of quick automatic positioning and centering is guaranteed, the workpiece is clamped, and the purpose of quick and stability is realized.

When the special-shaped instrument workpiece is required to be fixed, the central cavity 45 interacts with the displacement member 480 in the auxiliary device 48 when rotating, the displacement member 480 is impacted, the displacement member 480 deflects and is in synchronous motion with the main shaft 481, the main shaft 481 drives the central push block 483 to synchronously operate through the auxiliary head 482, the central push block 483 is inserted into the arc segment plate 486, the central push block 483 supports the supporting head 485 to operate, the arc segment plate 486 protects the outside, the supporting head 485 rotates to a certain extent, the supporting head 485 moves to the displacement of the special-shaped workpiece near the axis of the extrusion condition 42, the supporting head 485 supports the outer side of the workpiece clamped by the supporting head 485, the workpiece supported by the supporting head 485 is gradually supported on the other side of the workpiece, the workpiece supported by the central cavity 45 is parallel, the workpiece is enabled to have a balanced effect, the stable lifting effect, the workpiece is prevented from falling due to shaking, the stable effect compared with the prior art, and meanwhile, the arc segment plate 486 protects the workpiece, and the workpiece is prevented from being damaged by the safety and stability due to the fact that the workpiece is not lifted by the rotating speed is fast enough.

Example 2

Referring to fig. 1 to 10, the present invention provides a technical solution: on the basis of the first embodiment, the top of the chuck flange 3 is movably connected with a positioning claw 5, the left side and the right side of the top of the chuck flange 3 are fixedly connected with a supporting block 8, the supporting block 8 is positioned at the rear end of the positioning claw 5, the top of the supporting block 8 is fixedly connected with a protection plate 7, the middle of the top of the protection plate 7 is movably connected with a centering device 6, the centering device 6 penetrates through the protection plate 7 and extends to the chuck flange 3, through the setting of the centering device 6, the internal centering point is promoted to be rapidly identified, the effect of rapid operation is achieved, meanwhile, shaking of dust in the interior is facilitated, and the rear end of the top of the metal bottom plate 1 is fixedly connected with a collection box seat 9;

the positioning claw 5 is located the inside groove at chuck flange 3 top, and protection plate 7 is linked together with chuck flange 3 through the supporting shoe 8, and chuck flange 3 impels inside can normally effectual processing basis, and the positioning claw 5 uses the central axis of chuck flange 3 as the reference and evenly distributed.

The centering device 6 comprises a supporting column 61, through the setting of the centering device 6, the inside centering point can be quickly identified, the effect of quick operation is achieved, the dust inside is convenient to shake, the outer surface of the supporting column 61 is movably connected with a stirring tooth 63, the middle part of the outer surface of the supporting column 61 is fixedly connected with a laminate piece 62, the bottom of the laminate piece 62 is fixedly connected with a setting iron plate 64, the setting iron plate 64 is positioned on the back of the supporting column 61, the back of the setting iron plate 64 is fixedly connected with a metal cavity 67, a shaking piece 68 is movably connected inside the metal cavity 67, the top end of the outer surface of the supporting column 61 is fixedly connected with a distance-adjusting rod 65, the middle of the bottom of the distance-adjusting rod 65 is fixedly provided with an amplifying lens 66, the shaking piece 68 and the metal cavity 67 are symmetrically arranged, the specification and the size of the shaking piece 68 are the same, a filter layer 69 is movably connected inside the collecting box seat 9, the metal cavity 67 is of a flat design, the distance-adjusting rod 65 drives the amplifying lens 66 to move upwards or downwards along with the stirring tooth 63 to the position of the protective plate 7, the small magnet on the stirring tooth 63 is adsorbed to the bottom of the protective plate 7, the small magnet on the protective plate 66 is required to be positioned on the surface of the protective plate 65, the distance-adjusting rod 65 is in the same shape as the diameter of the protective plate 65, the distance-adjusting rod is required to be aligned with the axial center 65, and the distance between the protective plate 65 and the axial center 65 is the protective plate 66, and the axial center is arranged in the direction and the axial center 65 is the distance between the axial center and the protective plate 65 and the axial center is the axial center and the axial center 65.

When the fixture finds the best clamping point and frequently changes the tool, the stay 61 is manually pulled upwards, the stay 61 drives the distance-adjusting rod piece 65 to synchronously move, the distance-adjusting rod piece 65 drives the amplifying lens 66 to move upwards or downwards along with the distance-adjusting rod piece, the poking teeth 63 are pushed to the protection plate 7, the small magnets on the poking teeth 63 are adsorbed to the bottom of the protection plate 7 to be fixed, the amplifying lens 66 has the effect of aligning the center according to the requirement, the effect of amplifying the center is achieved, the situation that repeated actions are excessive due to frequent replacement of the clamping position is avoided, and the effect of quick positioning is achieved.

When the dust between the inside needs to be treated, the linkage layer plate 62 moves synchronously when the stay 61 is drawn upwards, the layer plate 62 drives the arrangement iron plate 64 to move along with the movement, the arrangement iron plate 64 shakes the shaking piece 68 through the metal cavity 67, the shaking piece 68 shakes to generate certain amplitude, the shaking piece 68 is subjected to upward reverse force to vibrate downwards, the shaking piece 68 knocks the filter layer 69, the filter layer 69 moves, the filter layer 69 shakes the dust gradually, so that the residual dust between all the components is prevented from being shaken out, the inside clean effect is further improved, the use convenience is improved, and the inside cleaning is realized.

It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. Tool clamp for instrument and meter based production, comprising a metal bottom plate (1), and being characterized in that: the utility model discloses a metal bottom plate, including metal bottom plate (1), base (2) top fixedly connected with chuck flange (3), chuck flange (3) right side rotates and is connected with fixture device (4), and fixture device (4) run through the inside of chuck flange (3), chuck flange (3) top swing joint has locating claw (5), both sides all fixedly connected with supporting shoe (8) about chuck flange (3) top, and supporting shoe (8) are located the rear end of locating claw (5), supporting shoe (8) top fixedly connected with protection plate (7), the centre swing joint at protection plate (7) top has centering device (6), and centering device (6) run through protection plate (7) and extend to chuck flange (3) department, metal bottom plate (1) top rear end fixedly connected with collection box seat (9);

the fixture device (4) comprises a driving shaft piece (41), the left end of the driving shaft piece (41) is fixedly connected with an extrusion condition (42), the driving shaft piece (41) is welded on the outer surface of the extrusion condition (42), a rotary tooth (43) is fixedly connected with the middle part of the outer surface of the extrusion condition (42), a core strip (44) is rotatably connected to the top of the rotary tooth (43), a central cavity (45) is movably connected to the top of the core strip (44), the central cavity (45) is uniformly distributed by taking the central line of the core strip (44) as a reference, a sliding groove (47) is formed in the central cavity (45), a sliding plate (46) is connected to the inner side of the sliding groove (47), and an auxiliary device (48) is movably connected to the top groove of the core strip (44).

2. The tooling fixture for instrument and meter based production according to claim 1, wherein: the positioning claws (5) are positioned in the inner groove at the top of the chuck flange (3), the protection plate (7) is communicated with the chuck flange (3) through the supporting blocks (8), and the positioning claws (5) are uniformly distributed by taking the central axis of the chuck flange (3) as a reference.

3. The tooling fixture for instrument and meter based production according to claim 1, wherein: the extrusion conditions (42) are uniformly distributed by the central line of the core strip (44), the top of the core strip (44) is provided with a groove body matched with the central cavity (45), the groove body of the core strip (44) is in a circumferential shape design, and the central cavity (45), the extrusion conditions (42) and the core strip (44) share the same central point.

4. The tooling fixture for instrument and meter based production according to claim 1, wherein: auxiliary device (48) still include displacement spare (480), displacement spare (480) top fixedly connected with main shaft (481), main shaft (481) surface fixedly connected with arc plate (486), arc plate (486) inside groove department swing joint has support head (485), one side fixedly connected with auxiliary head (482) of arc plate (486) internal surface and being close to main shaft (481), auxiliary head (482) openly fixedly connected with center ejector pad (483), and the one end fixedly connected with of center ejector pad (483) near support head (485) wears layering (484), and wears layering (484) to be located between support head (485) and auxiliary head (482).

5. The tooling fixture for instrument and meter based production according to claim 4, wherein: the center push block (483), the auxiliary head (482) and the penetrating depression bar (484) are symmetrically arranged, the arc-shaped plate (486) is designed in an arc shape, and the penetrating depression bar (484) penetrates through the arc-shaped plate (486) and extends to the supporting head (485).

6. The tooling fixture for instrument and meter based production according to claim 4, wherein: the arc section plate (486) inner groove is provided with a track matched with the penetrating depression bar (484), an included angle formed between the penetrating depression bar (484) and the arc section plate (486) is ninety degrees, and the top of the supporting head (485) is provided with a supporting body corresponding to a workpiece.

7. The tooling fixture for instrument and meter based production according to claim 1, wherein: the centering device (6) comprises a supporting column (61), the outer surface of the supporting column (61) is movably connected with a stirring tooth (63), the middle part of the outer surface of the supporting column (61) is fixedly connected with a laminate piece (62), the bottom of the laminate piece (62) is fixedly connected with a placement iron plate (64), the placement iron plate (64) is positioned on the back of the supporting column (61), the back of the placement iron plate (64) is fixedly connected with a metal cavity (67), the inner part of the metal cavity (67) is movably connected with a shaking piece (68), the inner part of the collecting box seat (9) is movably connected with a filter layer (69), the top end of the outer surface of the supporting column (61) is fixedly connected with a distance adjusting rod piece (65), and the middle of the bottom of the distance adjusting rod piece (65) is fixedly provided with an amplifying lens (66).

8. The tooling fixture for instrument and meter based production according to claim 7, wherein: the shaking piece (68) and the metal cavity (67) are symmetrically arranged, the shaking piece (68) is identical in specification and size, the metal cavity (67) is of a flat design, and the distance adjusting rod piece (65) is located on the upper surface of the protection plate (7).

9. The tooling fixture for instrument and meter based production according to claim 7, wherein: the magnifying lens (66) is in a disc shape, the axial center points of the distance adjusting rod piece (65) and the clamp direction of the positioning claw (5) are on the same straight line, the magnifying lens (66) consists of a disc and a main shaft body, and an included angle between the main shaft body of the magnifying lens (66) and the distance adjusting rod piece (65) is ninety degrees.