CN212265601U - Be applied to multi-functional accurate tool of circular easy damage panel - Google Patents

Abstract

The utility model relates to a be applied to multi-functional accurate tool of circular vulnerable panel, comprising a base plate, bottom plate right side top is equipped with the air-vent valve support, bottom plate right side below is equipped with pressure claw solenoid valve switch group and three-jaw switch solenoid valve group, the bottom plate overhead has three claws from centring means, equal altitude piece, pressure claw rotary mechanism, three claws are from being equipped with three-jaw air inlet interface on the centring means, three claws air outlet interface, three claws are from locating clamping jaw on the centring means, equal altitude piece is arranged between adjacent clamping jaw and the height keeps the parallel state with the clamping jaw, equal altitude piece outside is provided with pressure claw rotary mechanism, pressure claw rotary mechanism overhead has pressure claw relocation mechanism, pressure claw relocation mechanism overhead has the compact heap, be provided with pressure claw air inlet interface on the pressure claw relocation mechanism, be provided with pressure claw air outlet interface on the pressure claw rotary mechanism, pressure claw rotary mechanism; the utility model discloses can carry out accurate location, centre gripping, loading and unloading to the work piece fast, reduce staff intensity of labour, practice thrift handling time, improve work efficiency.

Description

Be applied to multi-functional accurate tool of circular easy damage panel

[ technical field ]

The utility model belongs to the technical field of the clamping frock technique and specifically relates to a be applied to multi-functional accurate tool of circular vulnerable panel.

[ background art ]

At present, to the unable accurate centre gripping of the high-end vulnerable material such as the circular thin aluminium of processing, copper, bakelite, POM, PEEK, still need use the percentage table to carry out calibration positioning to the part, reuse spanner lock nut to fix, the material is yielding, damages when so can cause the clamping. And the loading and unloading work is carried out by manpower, so that the labor intensity is high, and the manpower and the loading and unloading time are consumed. Aiming at the problems, the multifunctional precision clamp has very important significance if the multifunctional precision clamp can be provided.

[ contents of utility model ]

The utility model aims at solving foretell not enough and providing a be applied to multi-functional accurate tool of circular vulnerable panel, can carry out accurate location, centre gripping, loading and unloading to the work piece fast to reduce staff intensity of labour, practice thrift handling time, improve work efficiency.

The multifunctional precision jig comprises a bottom plate 25, a pressure regulating valve support 7 is arranged above the right side of the bottom plate 25, a clamping jaw pressure regulating valve and a pressure jaw pressure regulating valve are mounted on the pressure regulating valve support 7, a pressure jaw electromagnetic valve switch group 13 and a three-jaw switch electromagnetic valve group 29 are arranged below the right side of the bottom plate 25, a three-jaw self-centering device 27, an equal-height block 24 and a pressure jaw rotating mechanism 22 are arranged on the bottom plate 25, the three-jaw self-centering device 27 is used for positioning a workpiece, a three-jaw air inlet interface 9 and a three-jaw air outlet interface 26 are arranged on the three-jaw self-centering device 27, clamping jaws 17 are arranged on the three-jaw self-centering device 27, the three clamping jaws 17 are uniformly distributed along the circumference at 120 degrees, the clamping jaws 17 are pneumatic self-centering three-jaws and are opened or clamped under the control of the three-jaw switch electromagnetic valve group 29, the equal-height blocks 24 are arranged between the adjacent clamping jaws 17, the height of the equal-height blocks 24 is kept parallel to the clamping jaws 17, the three equal-height blocks 24 are uniformly distributed along the circumferential direction, a pressing jaw rotating mechanism 22 is arranged on the outer side of each equal-height block 24, a pressing jaw floating mechanism 21 is arranged on the pressing jaw rotating mechanism 22, a pressing block 20 is arranged on the pressing jaw floating mechanism 21, the equal-height blocks 24 are positioned below the pressing block 20, the pressing jaw floating mechanism 21 drives the pressing block 20 to float upwards or downwards through a pressing jaw electromagnetic valve switch group 13, an adjustable pressing head is arranged at the end part of the pressing block 20, the pressing height is adjusted through the adjustable pressing head, a pressing jaw air inlet interface 10 is arranged on the pressing jaw floating mechanism 21, a pressing jaw air outlet interface 11 is arranged on the pressing jaw rotating mechanism 22, and the pressing jaw rotating mechanism 22 drives the.

Furthermore, a clamping jaw air-vent valve air inlet interface 1 and a clamping jaw air-vent valve air outlet interface 3 are arranged on the clamping jaw air-vent valve, a clamping jaw air-vent valve air inlet interface 4 and a clamping jaw air-vent valve air outlet interface 5 are arranged on the clamping jaw air-vent valve, the clamping jaw air-vent valve air outlet interface 3 is connected with a clamping jaw 17, the clamping jaw air-vent valve air outlet interface 5 is connected with a clamping jaw floating mechanism 21 and a clamping jaw rotating mechanism 22, and an air-vent valve adjusting knob 2 and a pressure display meter 6 are arranged on the clamping jaw air.

Further, a pressing claw switch air inlet interface 12, a pressing claw switch air exchange interface I14, a pressing claw switch air exchange interface II 15 and a pressing claw switch handle 16 are arranged on the pressing claw electromagnetic valve switch group 13, the pressing claw switch air inlet interface 12 is connected with the pressing claw pressure regulating valve air outlet interface 5, the pressing claw switch air exchange interface I14 is respectively connected with the pressing claw air inlet interface 10 through a four-way joint, the pressing claw switch air exchange interface II 15 is respectively connected with the pressing claw air outlet interface 11 through a four-way joint, and the pressing claw switch handle 16 is used for regulating a pressing claw floating mechanism 21 to drive a pressing block 20 to float upwards or press downwards.

Further, a three-jaw switch handle 28, a three-jaw switch air exchange interface one 30, a three-jaw switch air exchange interface two 31 and a three-jaw switch air inlet interface 32 are arranged on the three-jaw switch electromagnetic valve group 29, the three-jaw switch air inlet interface 32 is connected with the clamping jaw pressure regulating valve air outlet interface 3, the three-jaw switch air exchange interface one 30 is connected with the three-jaw air inlet interface 9, the three-jaw switch air exchange interface two 31 is connected with the three-jaw air outlet interface 26, and the three-jaw switch handle 28 is used for regulating the clamping jaw 17 to be in an opening or clamping state.

Further, a protective cover 18 is arranged at the upper part of the middle position of the three-jaw self-centering device 27, and the protective cover 18 is used for preventing the dust from entering the inside of the three-jaw self-centering device 27.

Further, the lower part of the bottom plate 25 is provided with a reinforcing rib, and the reinforcing rib is used for reinforcing the bottom plate 25 to avoid deformation of the jig.

Further, the bottom plate 25 is provided with fabrication holes for reducing weight and mechanical stress deformation.

Further, a pressure regulating valve air pipe hole 8 and a pressure claw air pipe hole 23 are formed in the bottom plate 25, and the pressure regulating valve air pipe hole 8 and the pressure claw air pipe hole 23 are used for allowing an air supply pipe to pass through the lower portion of the bottom plate 25.

Further, the bottom plate 25 is provided with a handle 19 on the peripheral side, and the handle 19 is used for facilitating the installation and disassembly of the jig.

Further, adjustable pressure head adopts the knob to adjust and compresses tightly the height, the knob head solderless wrapped of adjustable pressure head has the copper billet, the copper billet is used for avoiding the briquetting to cause the crushing wound to the work piece.

Compared with the prior art, the utility model, have following advantage:

(1) the utility model controls the synchronous self-centering three-jaw and the synchronous pressing four-jaw through the pneumatic switch before and after processing, and rapidly and accurately positions, clamps and loads and unloads the workpiece, thereby achieving the purposes of reducing labor intensity and saving loading and unloading time;

(2) the utility model can realize self-centering positioning, and the concentricity and the planeness can be controlled within 0.02mm, so as to achieve the purpose of improving the product quality;

(3) the utility model can quickly and accurately position and clamp the circular easy-damaged high-end plate, can improve the working efficiency, improve the product quality and reduce the labor intensity of workers;

(4) the utility model discloses simple operation, safety, save time, laborsaving, it is multiple functional, the size is reliable, saves space, its purpose safety in production, improvement work efficiency, promotion product quality accord with national safety in production, energy-concerving and environment-protective policy is worth popularizing and applying.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of the present invention;

in the figure: 1. the pressure control device comprises a clamping jaw pressure regulating valve air inlet interface 2, a pressure regulating valve regulating knob 3, a clamping jaw pressure regulating valve air outlet interface 4, a pressing claw pressure regulating valve air inlet interface 5, a pressing claw pressure regulating valve air outlet interface 6, a pressure display meter 7, a pressure regulating valve support 8, a pressure regulating valve air pipe hole 9, a three-claw air inlet interface 10, a pressing claw air inlet interface 11, a pressing claw air outlet interface 12, a pressing claw switch air inlet interface 13, a pressing claw electromagnetic valve switch group 14, a pressing claw switch air exchange interface I15, a pressing claw switch air exchange interface II 16, a pressing claw switch handle 17, a clamping jaw 18, a protective cover 19, a handle 20, a pressing block 21, a pressing claw floating mechanism 22, a pressing claw rotating mechanism 23, a pressing claw air pipe hole 24, an equal-height block 25, a bottom plate 26, a three-claw air outlet interface 27, a three-claw self-centering device 28, a three-claw switch handle 29, a, Three-jaw switch air inlet interface.

[ detailed description of the invention ]

The invention is further described below with reference to the accompanying drawings:

as shown in the accompanying drawing 1, the utility model provides a be applied to multi-functional accurate tool of circular easy damage panel, this multi-functional accurate tool can carry out quick accurate location, centre gripping to circular easy damage panel, is provided with pneumatic air-vent valve, three-jaw from centring means, equal height piece, pressure claw relocation mechanism, compact heap … etc. on this anchor clamps to realize accurate location, centre gripping. The multifunctional precise jig comprises a bottom plate 25, a pressure regulating valve support 7 is arranged above the right side of the bottom plate 25, a clamping jaw pressure regulating valve and a pressure jaw pressure regulating valve are installed on the pressure regulating valve support 7, a pressure jaw electromagnetic valve switch group 13 and a three-jaw switch electromagnetic valve group 29 are arranged below the right side of the bottom plate 25, a three-jaw self-centering device 27, an equal-height block 24 and a pressure jaw rotating mechanism 22 are arranged on the bottom plate 25, the three-jaw self-centering device 27 is used for positioning a workpiece, a three-jaw air inlet interface 9 and a three-jaw air outlet interface 26 are arranged on the three-jaw self-centering device 27, clamping jaws 17 are arranged on the three-jaw self-centering device 27, the three clamping jaws 17 are uniformly distributed along the circumference at 120 degrees, the clamping jaws 17 are pneumatic self-centering three jaws and are opened or clamped under the control of the three-jaw switch electromagnetic valve group 29, the equal-height block 24 is arranged between adjacent clamping jaws 17, the outer side of the equal-height block 24 is provided with a pressing claw rotating mechanism 22, the pressing claw rotating mechanism 22 is provided with a pressing claw floating mechanism 21, the pressing claw floating mechanism 21 is provided with a pressing block 20, the equal-height block 24 is positioned below the pressing block 20, the pressing claw floating mechanism 21 drives the pressing block 20 to float upwards or press downwards through a pressing claw electromagnetic valve switch group 13, the end part of the pressing block 20 is provided with an adjustable pressing head, the pressing height is adjusted through the adjustable pressing head, the pressing claw floating mechanism 21 is provided with a pressing claw air inlet interface 10, the pressing claw rotating mechanism 22 is provided with a pressing claw air outlet interface 11, and the pressing claw rotating mechanism 22 drives the pressing block 20 to rotate.

The clamping jaw pressure regulating valve is provided with a clamping jaw pressure regulating valve air inlet interface 1 and a clamping jaw pressure regulating valve air outlet interface 3, the pressing jaw pressure regulating valve is provided with a pressing jaw pressure regulating valve air inlet interface 4 and a pressing jaw pressure regulating valve air outlet interface 5, the clamping jaw pressure regulating valve air outlet interface 3 is connected with a clamping jaw 17, the pressing jaw pressure regulating valve air outlet interface 5 is connected with a pressing jaw floating mechanism 21 and a pressing jaw rotating mechanism 22, and the clamping jaw pressure regulating valve and the pressing jaw pressure regulating valve are both provided with a pressure regulating valve adjusting knob 2. The pressure claw electromagnetic valve switch group 13 is provided with a pressure claw switch air inlet interface 12, a pressure claw switch air exchange interface I14, a pressure claw switch air exchange interface II 15 and a pressure claw switch handle 16, the pressure claw switch air inlet interface 12 is connected with the pressure claw pressure regulating valve air outlet interface 5, the pressure claw switch air exchange interface I14 is respectively connected with the pressure claw air inlet interface 10 through a four-way joint, the pressure claw switch air exchange interface II 15 is respectively connected with the pressure claw air outlet interface 11 through a four-way joint, and the pressure claw switch handle 16 is used for regulating a pressure claw floating mechanism 21 to drive a pressure block 20 to float upwards or downwards. The three-jaw switch electromagnetic valve set 29 is provided with a three-jaw switch handle 28, a three-jaw switch air exchange interface I30, a three-jaw switch air exchange interface II 31 and a three-jaw switch air inlet interface 32, the three-jaw switch air inlet interface 32 is connected with the clamping jaw pressure regulating valve air outlet interface 3, the three-jaw switch air exchange interface I30 is connected with the three-jaw air inlet interface 9, the three-jaw switch air exchange interface II 31 is connected with the three-jaw air outlet interface 26, and the three-jaw switch handle 28 is used for regulating the clamping jaw 17 to be in an opening or clamping state.

In the utility model, the protective cover 18 is arranged at the upper part of the middle position of the three-jaw self-centering device 27, and the protective cover 18 is used for preventing scraps and foam from entering the three-jaw self-centering device 27; the lower part of the bottom plate 25 is provided with a reinforcing rib which is used for reinforcing the bottom plate 25 to avoid the deformation of the jig, and the bottom plate 25 is provided with a fabrication hole which is used for reducing the weight and the mechanical stress deformation; the bottom plate 25 is provided with a pressure regulating valve air pipe hole 8 and a pressure claw air pipe hole 23, and the pressure regulating valve air pipe hole 8 and the pressure claw air pipe hole 23 are used for allowing an air supply pipe to pass through the lower part of the bottom plate 25; the handle 19 is arranged on the peripheral side surface of the bottom plate 25, and the handle 19 is used for facilitating the installation and the disassembly of the jig; the adjustable pressure head adopts the knob to adjust and compresses tightly the height, and the knob head of adjustable pressure head has welded the copper billet, and the copper billet is used for avoiding the briquetting to cause the crushing wound to the work piece.

In the multifunctional precision clamp, a pressure regulating valve support 7, a pressure regulating valve air pipe hole 8, a pressure claw electromagnetic valve switch group 13, a handle 19, a pressure claw rotating mechanism 22, a pressure claw air pipe hole 23, a three-claw self-centering device 27, a three-claw switch electromagnetic valve group 29 and an equal-height block 24 are arranged on a bottom plate 25, a clamping jaw pressure regulating valve air inlet interface 1, a pressure regulating valve adjusting knob 2, a clamping jaw pressure regulating valve air outlet interface 3, a pressure claw pressure regulating valve air inlet interface 4, a pressure claw pressure regulating valve air outlet interface 5 and a pressure display meter 6 are arranged on the pressure regulating valve support 7, a three-claw air inlet interface 9 and a three-claw air outlet interface 26 are arranged on the three-claw self-centering device 27, a three-claw synchronous gear mechanism is arranged in the three-claw self-centering device 27, a pressure claw air inlet interface 10 is arranged on a pressure claw floating mechanism 21, a pressure claw air outlet interface 11, The second pressure claw switch air exchange interface 15 and the pressure claw switch handle 16 are arranged on the pressure claw electromagnetic valve switch group 13, the clamping jaw 17 is arranged on the three-claw self-centering device 27, the protective cover 18 is arranged in the middle of the three-claw self-centering device 27, the third pressure claw switch handle 28, the first three-claw switch air exchange interface 30, the second three-claw switch air exchange interface 31 and the third pressure claw switch air inlet interface 32 are arranged on the three-claw switch electromagnetic valve group 29, the pressure claw floating mechanism 21 is arranged on the pressure claw rotating mechanism 22, the pressing block 20 is arranged on the pressure claw rotating mechanism 22, and the tail of the pressing block 20 is provided with an adjustable pressing head. The lower part of the bottom plate 25 is provided with a reinforcing rib for reinforcing the bottom plate and avoiding the deformation of the jig. Six fabrication holes are formed in the bottom plate 25 to reduce weight and mechanical stress deformation.

The utility model discloses a tee bend A end is connected in pressure claw air-vent valve interface 4 that admits air to main air inlet, pressure claw air-vent valve interface 5 of giving vent to anger is connected in pressure claw switch interface 12 that admits air, pressure claw switch interface of taking a breath 14 connects respectively in pressure claw interface 10 (being equipped with threely) through the cross joint, two 15 of interface of taking a breath of pressure claw switch connect respectively in pressure claw interface 11 of giving vent to anger (being equipped with threely) through the cross joint, connect tee bend B end through main air inlet and connect in the interface 1 that admits air of clamping jaw air-vent valve, the interface 3 that gives vent to anger of clamping jaw air-vent valve connects in three-jaw switch interface 32 that admits air, three-jaw. The protective cover 18 is positioned on the upper portion of the three-jaw self-centering device 27, and can prevent scrap foam from entering the three-jaw self-centering device 27, so that damage to the three-jaw self-centering device 27 is avoided. The handle 19 is convenient for the fixture to be mounted and dismounted. The air pipe hole 8 of the pressure regulating valve and the air pipe hole 23 of the pressure claw are both arranged on the bottom plate 25, so that the air pipe can conveniently pass through the lower part of the bottom plate 25, and the air pipe is prevented from being exposed to cause damage to the air pipe. The equal-height blocks 24 (three are arranged) are arranged right below the pressing blocks 20 (three are arranged), the equal-height blocks 24 are parallel to the clamping jaws 17, and the error is kept within 0.02mm, so that the deformation of the workpiece in the machining process can be avoided, and the flatness of the workpiece is ensured. The adjustable knob is equipped with at the terminal of compact heap 20, through the adjustable height that compresses tightly of knob, and this knob head weld has the copper billet to avoid the briquetting to cause the crushing wound to the work piece.

The utility model discloses according to product material and size demand, through rotating air-vent valve adjust knob 2 with visual pressure display table 6 to reach the optimal atmospheric pressure. The three-jaw switch handle 28 is pulled leftwards to make the clamping jaws in an open state; a pressing claw switch handle 16 is pulled leftwards, so that a pressing claw floating mechanism 21 drives a pressing block 20 to float upwards, then a pressing claw rotating mechanism 22 drives the pressing block 20 to rotate 90 degrees, so that the pressing block 20 avoids a workpiece clamping area, and a round product is placed on a clamping claw 17; a three-jaw switch handle 28 is pulled rightwards, and a three-jaw self-centering device 27 is started, so that the three jaws are synchronously clamped, and the concentricity of the workpiece and the three jaws is ensured to be within 0.02 mm; a pressing claw switch handle 16 is pulled rightwards, a pressing claw rotating mechanism 22 drives a pressing block 20 to rotate by-90 degrees, and the pressing block 20 enters a workpiece clamping area; then the pressing claw floating mechanism 21 drives the pressing block 20 to press downwards so as to achieve the purpose of pressing the workpiece. The multifunctional precise jig can improve the efficiency and the quality, and accords with national safety production, energy conservation and environmental protection policies.

The present invention is not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and are all included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a be applied to multi-functional accurate tool of circular easy damage panel which characterized in that: the clamping jaw self-centering device comprises a bottom plate (25), a pressure regulating valve support (7) is arranged above the right side of the bottom plate (25), a clamping jaw pressure regulating valve and a pressure jaw pressure regulating valve are installed on the pressure regulating valve support (7), a pressure jaw electromagnetic valve switch group (13) and a three-jaw switch electromagnetic valve group (29) are arranged below the right side of the bottom plate (25), a three-jaw self-centering device (27), an equal-height block (24) and a pressure jaw rotating mechanism (22) are arranged on the bottom plate (25), the three-jaw self-centering device (27) is used for positioning a workpiece, a three-jaw air inlet interface (9) and a three-jaw air outlet interface (26) are arranged on the three-jaw self-centering device (27), clamping jaws (17) are arranged on the three-jaw self-centering device (27), the clamping jaws (17) are three and are uniformly distributed along the circumference at 120 degrees, the clamping jaws (17) are pneumatic self-centering three jaws, the equal-height blocks (24) are arranged between the adjacent clamping jaws (17), the heights of the equal-height blocks (24) are kept parallel to the clamping jaws (17), the three equal-height blocks (24) are uniformly distributed along the circumferential direction, a pressing jaw rotating mechanism (22) is arranged on the outer sides of the equal-height blocks (24), a pressing jaw floating mechanism (21) is arranged on the pressing jaw rotating mechanism (22), a pressing jaw (20) is arranged on the pressing jaw floating mechanism (21), the equal-height blocks (24) are positioned below the pressing jaw (20), the pressing jaw floating mechanism (21) drives the pressing jaw (20) to float upwards or downwards through a pressing jaw electromagnetic valve switch group (13), an adjustable pressing head is arranged at the end part of the pressing jaw (20) and adjusts the pressing height through the adjustable pressing head, a pressing jaw air inlet interface (10) is arranged on the pressing jaw floating mechanism (21), and a pressing jaw air outlet interface (11) is arranged on the pressing jaw rotating mechanism (22), the pressing claw rotating mechanism (22) drives the pressing block (20) to rotate.

2. The multifunctional precision jig applied to the circular vulnerable plate as claimed in claim 1, wherein: the clamping jaw air-vent valve is provided with a clamping jaw air-vent valve air inlet interface (1) and a clamping jaw air-vent valve air outlet interface (3), the clamping jaw air-vent valve is provided with a clamping jaw air-vent valve air inlet interface (4) and a clamping jaw air-vent valve air outlet interface (5), the clamping jaw air-vent valve air outlet interface (3) is connected with a clamping jaw (17), the clamping jaw air-vent valve air outlet interface (5) is connected with a clamping jaw floating mechanism (21) and a clamping jaw rotating mechanism (22), and the clamping jaw air-vent valve are both provided with an air.

3. The multi-functional precision jig applied to the circular vulnerable plate of claim 2 is characterized in that: the pressure claw electromagnetic valve switch group (13) is provided with a pressure claw switch air inlet interface (12), a pressure claw switch air exchange interface I (14), a pressure claw switch air exchange interface II (15) and a pressure claw switch handle (16), the pressure claw switch air inlet interface (12) is connected with a pressure claw pressure regulating valve air outlet interface (5), the pressure claw switch air exchange interface I (14) is respectively connected with the pressure claw air inlet interface (10) through a four-way joint, the pressure claw switch air exchange interface II (15) is respectively connected with the pressure claw air outlet interface (11) through the four-way joint, and the pressure claw switch handle (16) is used for adjusting a pressure claw floating mechanism (21) to drive a compression block (20) to float or press downwards.

4. The multi-functional precision jig applied to the circular vulnerable plate of claim 2 is characterized in that: be provided with three-jaw switch handle (28), three-jaw switch joint of taking a breath (30), three-jaw switch joint of taking a breath two (31), three-jaw switch interface of admitting air (32) on three-jaw switch solenoid valve group (29), three-jaw switch joint of admitting air (32) is connected clamping jaw pressure-regulating valve interface of giving vent to anger (3), three-jaw switch joint of taking a breath (9) are connected in three-jaw switch joint of admitting air (30), three-jaw switch joint of taking a breath two (31) is connected three-jaw interface of giving vent to anger (26), three-jaw switch handle (28) are used for adjusting clamping jaw (17) and are in and open or press from both sides.

5. The multifunctional precision jig applied to the circular vulnerable plate as claimed in any one of claims 1 to 4, wherein: the three-jaw self-centering device (27) is characterized in that a protective cover (18) is arranged on the upper portion of the middle position of the three-jaw self-centering device (27), and the protective cover (18) is used for preventing scraps and foams from entering the interior of the three-jaw self-centering device (27).

6. The multifunctional precision jig applied to the circular vulnerable plate as claimed in claim 5, wherein: the lower part of the bottom plate (25) is provided with a reinforcing rib, and the reinforcing rib is used for reinforcing the bottom plate (25) to avoid deformation of the jig.

7. The multifunctional precision jig applied to the circular vulnerable plate as claimed in claim 6, wherein: the bottom plate (25) is provided with process holes, and the process holes are used for reducing weight and mechanical stress deformation.

8. The multifunctional precision jig applied to the circular vulnerable plate as claimed in claim 7, wherein: the bottom plate (25) is provided with a pressure regulating valve air pipe hole (8) and a pressure claw air pipe hole (23), and the pressure regulating valve air pipe hole (8) and the pressure claw air pipe hole (23) are used for supplying air to pass through the lower part of the bottom plate (25).

9. The multi-functional precision jig applied to the circular vulnerable plate of claim 8, characterized in that: the side around the bottom plate (25) is provided with a handle (19), and the handle (19) is used for facilitating the installation and the disassembly of the jig.

10. The multi-functional precision jig applied to the circular vulnerable plate of claim 9, characterized in that: the adjustable pressure head adopts the knob to adjust and compresses tightly the height, the knob head package welding of adjustable pressure head has the copper billet, the copper billet is used for avoiding the briquetting to cause the crushing wound to the work piece.

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