CN112846879A

CN112846879A - Machining and positioning device for anti-deformation thin-wall part

Info

Publication number: CN112846879A
Application number: CN202110001650.8A
Authority: CN
Inventors: 张晓民
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-05-28

Abstract

The invention discloses a machining positioning device for an anti-deformation thin-walled part, which comprises a supporting and connecting main body, wherein an adjusting motor is arranged in the supporting and connecting main body, a transmission gear is fixedly arranged at the front end of the adjusting motor, a sleeve gear is arranged on one side of the transmission gear, a threaded sleeve is fixedly arranged in the middle of the sleeve gear in a penetrating manner, an assembling block is movably arranged at one end of the threaded sleeve, an elastic positioning block is movably arranged at the other end of the threaded sleeve, a pressure sensor is fixedly arranged on the outer surface of the elastic positioning block, an adjusting screw rod is movably arranged in the middle of the threaded sleeve in a penetrating manner, and a connecting block is fixedly arranged at. The invention is convenient for internal and external support when the thin-wall pipe fitting is processed, and the magnetic connection of the electromagnet and the permanent magnet ensures the clamping force, thereby realizing the coaxial clamping of the device and the thin-wall pipe fitting, avoiding the deformation of the pipe fitting during processing and ensuring the precision of the product and the qualified rate after processing.

Description

Machining and positioning device for anti-deformation thin-wall part

Technical Field

The invention relates to the technical field of machining, in particular to a machining positioning device for an anti-deformation thin-wall part.

Background

With the rapid development of socioeconomic, machining refers to a process of changing the external dimensions or properties of a workpiece by a mechanical device, and can be classified into cutting and pressing according to differences in machining modes, and production types are generally classified into three types: single piece production: products of different structure and different dimensions are produced individually and with few repetitions, in batches: the same product is manufactured in batches in a year, the manufacturing process has certain repeatability, and the mass production is as follows: the manufacturing quantity of products is very large, most working places are often repeatedly processed in a certain procedure of a certain part, and the processing and positioning device for the deformation-preventing thin-wall part is a device for positioning when a metal part with a thin outer wall is processed.

However, when the existing thin-wall pipe fitting is processed, the positioning and clamping are inconvenient to carry out, and the pipe fitting is easy to deform during clamping; therefore, the existing requirements are not met, and the machining positioning device for the deformation-preventing thin-wall part is provided for the requirements.

Disclosure of Invention

The invention aims to provide a machining positioning device for an anti-deformation thin-wall part, which solves the problems that the existing thin-wall pipe fitting proposed in the background technology is inconvenient to position and clamp when being machined, and the pipe fitting is easy to deform during clamping.

In order to achieve the purpose, the invention provides the following technical scheme: a processing and positioning device for anti-deformation thin-walled parts comprises a supporting and connecting main body, wherein an adjusting motor is arranged inside the supporting and connecting main body, a transmission gear is fixedly arranged on an output shaft of the adjusting motor, a sleeve gear is arranged on one side of the transmission gear, a threaded sleeve is fixedly arranged in the middle of the sleeve gear in a penetrating manner, an assembly block is movably arranged at one end of the threaded sleeve, an elastic positioning block is movably arranged at the other end of the threaded sleeve, a pressure sensor is fixedly arranged on the outer surface of the elastic positioning block, an adjusting screw rod is movably arranged in the middle of the threaded sleeve in a penetrating manner, a connecting block is fixedly arranged at the outer end of the adjusting screw rod, a plurality of sliding grooves are formed in the connecting block, sliding blocks are movably connected in the sliding grooves, a supporting rod is fixedly, the bottom and the slider fixed connection of pretension spring, one side fixed mounting that the slider was kept away from to the bracing piece has the permanent magnetism piece, the one end fixed mounting that connecting block was kept away from to adjusting screw has a plurality of connecting plate, one side fixed mounting that the connecting plate is close to the connecting block has the tight piece of elasticity clamp, the tight piece of elasticity clamp inside fixed mounting has electric telescopic handle, one side fixed mounting that electric telescopic handle kept away from the connecting plate has the electro-magnet.

Preferably, the elastic positioning block and the assembling block both belong to parts formed after two identical semicircular blocks are attached, and the elastic positioning block, the assembling block and the support connecting main body are fixed through screws.

Preferably, the outer surface of the adjusting screw and the inner side of the threaded sleeve are both provided with threads with the same turning directions, and the adjusting screw is in threaded connection with the threaded sleeve.

Preferably, one side of the elastic clamping block, which is far away from the connecting plate, is fixedly provided with a first elastic rubber pad, and one side of the permanent magnet block, which is far away from the connecting block, is fixedly provided with a second elastic rubber pad.

Preferably, ball bearings are arranged on the outer sides of the two ends of the threaded sleeve and in the middle of the elastic positioning block and the assembly block, and the threaded sleeve is connected with the elastic positioning block and the assembly block through the ball bearings.

Preferably, the end part of the adjusting screw inserted in the support connecting body is provided with a limit ring, and the limit ring is square and is in sliding connection with the support connecting body.

Preferably, the outer end of the adjusting screw is completely attached to one side of the connecting block, and the adjusting screw is fixed to the connecting block through welding.

Preferably, the central line of the adjusting screw coincides with the central line of the support connecting body, the electromagnet is located at the center of the elastic clamping block, and the positions and the number of the permanent magnets are the same as those of the electromagnet.

Preferably, the pressure sensor is electrically connected with a plurality of electric telescopic rods and electromagnets, the telescopic lengths of the electric telescopic rods are consistent, and the electrification amounts of the electromagnets are consistent.

Preferably, the permanent magnets and the connecting plates are distributed along the circumference of the central line of the supporting and connecting body in an array mode, the connecting plates and the internal parts are all the same in size and shape, and the sliding grooves and the internal parts are all the same in size and shape.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the interaction of the support connecting main body, the adjusting screw rod, the threaded sleeve, the sleeve gear, the transmission gear, the adjusting motor, the assembling block and other devices, the clamping of thin-wall pipes with different lengths is solved, the power supply of the adjusting motor is switched on and started, the adjusting motor is driven to rotate after being started, so that the sleeve gear and the sleeve gear synchronously rotate through the fixed threaded sleeve, the adjusting screw rod is driven to move along the axis by the friction of threads between the threaded sleeve and the adjusting screw rod when the threaded sleeve rotates, the adjusting screw rod extends out of the support connecting main body, the connecting block at the outer end of the adjusting screw rod is driven to move, the adjusting screw rod can be adjusted according to the positions of the pipes to be processed, the pipes with different sizes can be positioned and supported;

2. the invention solves the problem of clamping thin-wall pipe fittings with different thicknesses by the interaction of the devices such as the elastic positioning block, the pre-tightening spring, the connecting plate, the elastic clamping block, the electric telescopic rod, the electromagnet, the supporting rod, the pressure sensor and the like, when the connecting block extends to a proper length, the pressure can be exerted on the elastic positioning block by manpower, the elastic positioning block is elastically deformed and transmits the pressure into the pressure sensor, the pressure sensor controls the extension of a plurality of electric telescopic rods to be the same in length by detecting the pressure, the periphery of a plurality of electric telescopic rods distributed in a circumferential array extrudes the thin-wall pipe fittings, the coaxiality of the thin-wall pipe fittings and the adjusting screw rod is ensured, the processing accuracy is convenient, the pressure sensor increases the same energization amount of a plurality of electromagnets distributed in a circumferential array in the clamping process, so that, the thin-wall pipe fitting clamping method has the advantages that the permanent magnets and the elastic clamping blocks are used for clamping the thin-wall pipe fitting, when the maximum clamping force is achieved, the fact that the thin-wall pipe fitting cannot continue to apply pressure on the elastic positioning block is guaranteed through the friction force of the elastic rubber pad, the fact that the pressure sensor cannot continue to control the electric telescopic rod to extend under the feedback action is controlled, and therefore the device is guaranteed to reach a stable value.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic structural view of a support connection body according to the present invention;

FIG. 3 is a schematic view of the connecting block of the present invention;

fig. 4 is a schematic structural view of the elastic positioning block of the present invention.

In the figure: 1. a support connection body; 2. adjusting the screw rod; 3. connecting blocks; 4. a support bar; 5. permanent magnet blocks; 6. a threaded bushing; 7. a sleeve gear; 8. a transmission gear; 9. adjusting the motor; 10. assembling the blocks; 11. an elastic positioning block; 12. pre-tightening the spring; 13. a chute; 14. a slider; 15. a connecting plate; 16. an elastic clamping block; 17. an electric telescopic rod; 18. an electromagnet; 19. a first elastic rubber pad; 20. the second elastic rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The regulating motor 9 according to the invention (model ncv28-400-60C) is commercially available or custom-made.

Referring to fig. 1 to 4, an embodiment of the present invention includes: a processing and positioning device for deformation-preventing thin-walled parts comprises a supporting and connecting main body 1, an adjusting motor 9 is installed inside the supporting and connecting main body 1, a transmission gear 8 is fixedly installed at the output end of the adjusting motor 9, a sleeve gear 7 is arranged on one side of the transmission gear 8, a threaded sleeve 6 is fixedly installed in the middle of the sleeve gear 7 in a penetrating mode, an assembling block 10 is movably arranged at one end of the threaded sleeve 6, an elastic positioning block 11 is movably installed at the other end of the threaded sleeve 6, ball bearings are arranged between the outer sides of two ends of the threaded sleeve 6 and the elastic positioning block 11 and between the elastic positioning block 11 and the assembling block 10, the threaded sleeve 6 is connected with the elastic positioning block 11 and the assembling block 10 through the ball bearings, the ball bearings are simple in structure and convenient to use, the threaded sleeve 6 is isolated from the assembling block 10 and the, the outer surface of the elastic locating block 11 is fixedly provided with a pressure sensor, the pressure sensor is electrically connected with an electric telescopic rod 17 and an electromagnet 18, the telescopic lengths of the electric telescopic rods 17 are consistent, the electrification amounts of the electromagnets 18 are consistent, in actual operation, the electric telescopic rods 17 extend for the same length at the same time, the movement of the thin-wall pipe fitting in the device is restrained and gradually moves towards the position coaxial with the device, the coaxiality of the device and the thin-wall pipe fitting is finally realized, the electrification amounts of the electromagnets 18 are consistent, the magnetic force of the electromagnets 18 is consistent, the attraction force of the electromagnets 18 to the permanent magnet blocks 5 is consistent, the permanent magnet blocks 5 support the thin-wall pipe fitting in the thin-wall pipe fitting, the extension length of the supporting rod 4 is consistent, the coaxiality of the device and the thin-wall pipe fitting can be ensured, the pressure sensor can control the extension and the shortening of the electric telescopic, thereby controlling the magnetic force of the electromagnet 18, wherein the elastic positioning block 11 and the assembly block 10 both belong to a part formed by two identical semicircular blocks after being attached, the elastic positioning block 11 and the assembly block 10 are fixed with the support connecting main body 1 through screws, the two semicircular parts are attached and assembled with each other, thereby facilitating the assembly and maintenance of the adjusting screw 2 and the threaded sleeve 6, facilitating the assembly and maintenance of the device, the adjusting screw 2 is movably arranged in the middle of the threaded sleeve 6 in a penetrating manner, the end part of the adjusting screw 2 inserted in the support connecting main body 1 is provided with a limit ring, the limit ring is square and is in sliding connection with the support connecting main body 1, the square limit plate can limit the stroke of the adjusting screw 2 and simultaneously avoid the adjusting screw 2 from rotating, so that the threaded sleeve 6 can smoothly drive the adjusting screw 2 to move, the outer surface of the adjusting screw 2 and the inner side of the threaded sleeve 6 are both provided with threads in the same, the adjusting screw 2 is connected with the threaded sleeve 6 through threads, the threaded sleeve 6 can drive the adjusting screw 2 to move along the axis when rotating, the position of the connecting block 3 is adjusted, the outer end of the adjusting screw 2 is fixedly provided with the connecting block 3, the outer end of the adjusting screw 2 is completely attached to one side of the connecting block 3, the adjusting screw 2 and the connecting block 3 are fixed through welding, the connecting performance and the stability of the adjusting screw 2 and the connecting block 3 are enhanced through the welding, the connecting block has good mechanical strength and cannot be easily damaged, a plurality of sliding grooves 13 are formed in the connecting block 3, sliding blocks 14 are movably connected in the sliding grooves 13, the sliding effect of the supporting rods 4 can be realized through the arrangement of the sliding grooves 13 and the sliding blocks 14, the clamping effect on the thin-wall pipe is convenient, a plurality of supporting rods 4 are fixedly arranged on one side of the sliding blocks, the sliding direction of the permanent magnet 5 can be ensured, the outer surface of the support rod 4 is fixedly provided with the pre-tightening spring 12, the elastic supporting force of the pre-tightening spring 12 can effectively avoid the vibration of the pipe fitting during the processing, the accuracy and the qualification rate of the pipe fitting processing are ensured, when the permanent magnet 5 is attracted by the electromagnet 18 to clamp and release the thin-wall pipe fitting, the pre-tightening spring 12 can ensure the permanent magnet 5 to realize the effect of restoring the original position through the self elastic action, the thin-wall pipe fitting is conveniently dismounted, the bottom end of the pre-tightening spring 12 is fixedly connected with the sliding block 14, the support rods 4 and the connecting plates 15 are distributed along the circumference of the central line of the support connecting main body 1 in an array manner, the connecting plates 15 and the internal parts are uniform in size and shape, the sliding chutes 13 and the internal parts are uniform in size and shape, and, the circumferential array distribution mode is convenient for more accurately positioning the thin-wall pipe fitting and more conveniently realizing coaxiality, the shapes and the sizes of the sliding grooves 13, the connecting plates 15 and the internal parts are consistent, the uniform stress is ensured when the thin-wall pipe fitting is clamped, the parts are prevented from being damaged when the thin-wall pipe fitting is clamped, the permanent magnets 5 are fixedly arranged on one sides of the supporting rods 4 far away from the sliding blocks 14, the second elastic rubber gaskets 20 are fixedly arranged on one sides of the permanent magnets 5 far away from the connecting block 3, the second rubber gaskets 20 and the permanent magnets 5 are fixed through an adhesive, the second rubber gaskets 20 can prevent the permanent magnets 5 from being in direct contact with the inner wall of the pipe fitting and prevent the pipe fitting from being damaged or deformed, meanwhile, the rubber gaskets carried by the permanent magnets 5 have certain elasticity, the shapes of the rubber gaskets can be changed according to different pipe diameters, the clamping effect on the, one end of the adjusting screw rod 2, which is far away from the connecting block 3, is fixedly provided with a connecting plate 15, one side of the connecting plate 15, which is close to the connecting block 3, is fixedly provided with an elastic clamping block 16, one side of the elastic clamping block 16, which is far away from the connecting plate 15, is fixedly provided with a first elastic rubber pad 19, the first rubber pad 19 and the elastic clamping block 16 are fixed through an adhesive, the first rubber pad 4 can avoid the direct contact of the elastic clamping block 16 and the outer wall of the pipe fitting, and avoid the damage or the deformation of the pipe fitting, meanwhile, the rubber pad provided by the elastic clamping block has certain elasticity, the shape of the elastic clamping block can be changed according to different pipe diameters, so as to realize the clamping effect on the thin-wall pipe fitting, a plurality of electric telescopic rods 17 are fixedly arranged inside the elastic clamping block 16, one side of the electric telescopic rods 17, the design of the same quantity and position facilitates the timeliness and accuracy of clamping, meanwhile, the electromagnet 18 is positioned at the central position of the elastic clamping block 16, the symmetry and stability of the electric telescopic rod 17 in controlling the elastic clamping block 16 are facilitated, the elastic clamping block 16 has certain elasticity, and can elastically extend and contract under the action of the electric telescopic rod 17, wherein the electric telescopic rod 17 is electrically controlled by a pressure sensor, the pressure of the thin-wall pipe to the elastic positioning block 11 is higher, the pressure value detected by the pressure sensor is higher, the electric telescopic rod 17 extends to clamp the outer side of the thin-wall pipe, meanwhile, the bottom of the elastic clamping block 16 is arc-shaped, so that the thin-wall pipe can be driven to move in the connecting plate 15 in the clamping process, the coincidence of the axis of the thin-wall pipe and the axis of the device is gradually realized, the device is coaxial, and the device can facilitate the rotation processing or surface processing of the thin-, all improved the machining precision, prevent in the processing because of the disalignment the processing inaccuracy appears, there is local processing, there is the condition such as local unprocessed, electromagnet 18 receives pressure sensor's electrical control equally simultaneously, with the similar condition of electric telescopic handle 17, the pressure that elastic locating piece 11 received is big more, electromagnet 18 electric quantity of electrifying is big more, then self magnetism is big more, electromagnet 18 can realize the attraction to permanent magnetism piece 5 through magnetism, it is different to the attraction degree of permanent magnetism piece 5 not to use magnetism, then the device is different to the tight degree of clamp of thin wall pipe spare.

The device realizes the extension and contraction of an adjusting screw rod 2 and a connecting plate 15 by driving a crank slider mechanism through an adjusting motor 9, and is used for determining a second clamping point, after the extension length of the device is determined, an operator horizontally inserts a thin-wall pipe and applies pressure to an elastic positioning block 11, a pressure sensor on the elastic positioning block 11 detects pressure change to control the extension of an electric telescopic rod 17, a plurality of electric telescopic rods 17 drive an elastic clamping block 16 to clamp the thin-wall pipe and gradually clamp the thin-wall pipe, and a plurality of electric telescopic rods 17 are distributed along the circumference of a central line of a supporting and connecting main body 1 in an array manner, so that the clamping force of the elastic clamping block 16 on the thin-wall pipe is uniformly distributed, the thin-wall pipe is not easily damaged, the extension and contraction lengths of the plurality of electric telescopic rods 17 are consistent, the thin-wall pipe can move in the device under the supporting, the supporting force for the thin-wall pipe is consistent, the thin-wall pipe and the device are coaxial, when the pressure sensor detects pressure change, the pressure sensor controls and increases the electricity conduction amount of the electromagnet 18, so that the magnetic force of the electromagnet 18 is increased, the electromagnet 18 attracts the permanent magnet 5 to slide outwards through the magnetic force, the supporting rods 4 are fixedly arranged at one end of the permanent magnet 5 and are distributed along the circumference of the central line of the supporting and connecting main body 1 in an array mode, the supporting force of the permanent magnet 5 for the interior of the thin-wall pipe is offset with the supporting force of the electric telescopic rod 17 for the thin-wall pipe, the thin-wall pipe cannot be damaged, the electric conduction amounts of the electromagnets 18 are consistent, the attraction force of the electromagnet 18 for the permanent magnet 5 is consistent, the extending length of the supporting rods 4 is consistent, the permanent magnet 5 supports the thin-wall pipe in the interior of the, the supporting rod 4 drives the pre-tightening spring 12 to stretch, the first elastic rubber pad 19 and the second elastic rubber pad 20 realize clamping operation on the thin-wall pipe fitting, the first elastic rubber pad 19 and the second elastic rubber pad 20 have friction force per se and can block the thin-wall pipe fitting from moving to the elastic positioning block 11 along the horizontal direction, when the clamping effect is sufficient and the thin-wall pipe fitting cannot continuously apply pressure to the elastic positioning block 11, the pressure sensor cannot detect the change of the pressure, so that the extension of the electric telescopic rod 17 and the increase of the magnetic force of the electromagnet 18 cannot be continuously controlled, the whole device is in a stable state, the whole device is convenient for operators to carry out various processing operations, when the thin-wall pipe fitting needs to be dismounted, the thin-wall pipe fitting only needs to be pulled outwards, the pressure sensor detects that the pressure value is reduced, and a plurality of electric telescopic rods 17, meanwhile, electromagnets 18 distributed along the circumference of the central line of the supporting and connecting main body 1 are controlled to reduce the same power supply amount, the clamping effect of the device on the thin-wall pipe is reduced, when the device is completely loosened, an electric telescopic rod 17 restores to the original position, the power supply amount of the electromagnets 18 is zero, the permanent magnet blocks 5 restore to the original position under the action of the elastic force of the pre-tightening springs 12, when the thin-wall pipe is too long, two sets of devices can be arranged and are symmetrically distributed on two sides and used for clamping two sides of the thin-wall pipe, so that the clamping on the overlong thin-wall pipe is realized, the phenomenon that one end of the thin-wall pipe, which is far away from the device due to overlong thin-wall pipe, inclines due to self weight and has the same operation overlong operation as the above is avoided, after one end of the thin-wall pipe is clamped and fixed by the devices, the positioning device on the other The column distribution electric telescopic rods 17 extend to clamp the thin-wall pipe fitting, electromagnets 18 are distributed along the circumference of the central line of the support connecting main body 1 in an array mode to increase the same power supply, the permanent magnets 5 are attracted by magnetic force to clamp the inner wall of the thin-wall pipe fitting, the pressure is not increased and stable in arrangement, the thin-wall pipe fitting is not clamped, when the thin-wall pipe fitting is dismounted, only the machine tool controls one side positioning device to move in the opposite direction, the pressure value detected by the pressure sensor can be reduced, and therefore the thin-wall pipe fitting is dismounted.

When the device is used, firstly, the pipe fitting is reasonably placed, the starting device is used for enabling the adjusting screw rod 2 to stretch into the pipe fitting, the supporting and positioning are carried out, the power supply of the adjusting motor 9 is connected and started, the adjusting motor 9 is started to enable the sleeve gear 7 and the sleeve gear 7 to synchronously rotate through the threaded sleeve 6 which is fixedly penetrated in the middle of the sleeve gear by driving the transmission gear 8, the threaded sleeve 6 can drive the adjusting screw rod 2 to move along the axis through thread friction between the threaded sleeve and the adjusting screw rod 2 when rotating, the adjusting screw rod 2 stretches out from the inside of the supporting and connecting main body 1 and drives the connecting block 3 at the outer end of the adjusting screw rod to move, meanwhile, horizontal acting force is applied to the thin-wall pipe fitting, the thin-wall pipe fitting extrudes the elastic positioning block 11, the pressure sensor in the elastic positioning block 11 detects pressure increase, the pressure sensor controls a plurality of electric telescopic rods 17 to When a plurality of pressure sensors distributed along the circumference of the central line of the supporting and connecting main body 1 are used for detecting the increase of pressure, the same electrification amount of a plurality of electromagnets 18 is controlled to be increased, the magnetic force of the electromagnets 18 is increased, the permanent magnet blocks 5 are attracted to move towards the electromagnets 18 to clamp the thin-wall pipe, the permanent magnet blocks 5 drive the pre-tightening springs 12 to extend when moving, when the pressure sensors cannot detect the increase of the pressure value, the device is in a clamping state, an operator can process the thin-wall pipe, when the thin-wall pipe needs to be dismounted, the thin-wall pipe is pulled outwards, the pressure sensors in the elastic positioning blocks 11 detect the reduction of the pressure value, so that a plurality of electric telescopic rods 17 are controlled to contract for the same length, the same electrification amount of the electromagnets 18 is controlled to be reduced, and the attraction force on the permanent magnet blocks 5, the clamping effect on the thin-wall pipe fitting is gradually loosened, when the pressure value detected by the pressure sensor is zero, the electric telescopic rod 17 restores the original position, the energization amount of the electromagnet 18 is zero, and the permanent magnet 5 is contracted to the original position by the elastic force of the pre-tightening spring 12, so that the thin-wall pipe fitting is dismounted.

According to the invention, through the interaction of the supporting connecting main body 1, the adjusting screw rod 2, the threaded sleeve 6, the sleeve gear 7, the transmission gear 8, the adjusting motor 9, the assembling block 10 and other devices, the clamping of thin-wall pipes with different lengths is solved, the positions to be processed can be adjusted according to the pipe fittings, the pipe fittings with different sizes can be positioned and supported, and the practicability is strong;

according to the invention, the clamping of thin-wall pipe fittings with different thicknesses is solved through the interaction of the elastic positioning block 11, the pre-tightening spring 12, the connecting plate 15, the elastic clamping block 16, the electric telescopic rod 17, the electromagnet 18, the supporting rod 4, the pressure sensor and other devices.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a processing positioner of preapring for an unfavorable turn of events shape thin wall part, includes support connecting body (1), its characterized in that: the inner mounting of the supporting and connecting body (1) is provided with an adjusting motor (9), an output shaft of the adjusting motor (9) is fixedly provided with a transmission gear (8), one side of the transmission gear (8) is provided with a sleeve gear (7), the middle of the sleeve gear (7) is penetrated through and fixedly provided with a threaded sleeve (6), one end of the threaded sleeve (6) is movably provided with an assembling block (10), the other end of the threaded sleeve (6) is movably provided with an elastic positioning block (11), the outer surface of the elastic positioning block (11) is fixedly provided with a pressure sensor, the middle of the threaded sleeve (6) is penetrated through and movably provided with an adjusting screw (2), the outer end of the adjusting screw (2) is fixedly provided with a connecting block (3), a plurality of sliding grooves (13) are formed in the connecting block (3), and a sliding block (14) is movably, one side fixed mounting of slider (14) has bracing piece (4), the outer fixed surface of bracing piece (4) installs pretension spring (12), the bottom and slider (14) fixed connection of pretension spring (12), one side fixed mounting that slider (14) were kept away from in bracing piece (4) has permanent magnetism piece (5), the one end fixed mounting that connecting block (3) were kept away from in adjusting screw (2) has a plurality of connecting plate (15), one side fixed mounting that connecting plate (15) are close to connecting block (3) has elasticity to press from both sides tight piece (16), elasticity presss from both sides tight piece (16) inside fixed mounting has electric telescopic handle (17), one side fixed mounting that connecting plate (15) were kept away from in electric telescopic handle (17) has electro-magnet (18).

2. The processing and positioning device for the deformation-preventing thin-walled part as claimed in claim 1, wherein: the elastic positioning block (11) and the assembling block (10) both belong to parts formed after two identical semicircular blocks are attached, and the elastic positioning block (11), the assembling block (10) and the supporting connecting main body (1) are fixed through screws.

3. The processing and positioning device for the deformation-preventing thin-walled part as claimed in claim 1, wherein: the outer surface of the adjusting screw rod (2) and the inner side of the threaded sleeve (6) are provided with threads with the same turning directions, and the adjusting screw rod (2) is in threaded connection with the threaded sleeve (6).

4. The processing and positioning device for the deformation-preventing thin-walled part as claimed in claim 1, wherein: one side of the elastic clamping block (16) far away from the connecting plate (15) is fixedly provided with a first elastic rubber pad (19), and one side of the permanent magnet block (5) far away from the connecting block (3) is fixedly provided with a second elastic rubber pad (20).

5. The processing and positioning device for the deformation-preventing thin-walled part as claimed in claim 1, wherein: the thread bushing is characterized in that ball bearings are arranged on the outer sides of two ends of the thread bushing (6) and in the middle of the elastic positioning block (11) and the assembling block (10), and the thread bushing (6) is connected with the elastic positioning block (11) and the assembling block (10) through the ball bearings.

6. The processing and positioning device for the deformation-preventing thin-walled part as claimed in claim 1, wherein: the adjusting screw rod (2) is inserted into the end part inside the supporting and connecting body (1) and is provided with a limiting ring, and the limiting ring is square and is in sliding connection with the supporting and connecting body (1).

7. The processing and positioning device for the deformation-preventing thin-walled part as claimed in claim 1, wherein: the outer end of the adjusting screw rod (2) is completely attached to one side of the connecting block (3), and the adjusting screw rod (2) is fixed with the connecting block (3) through welding.

8. The processing and positioning device for the deformation-preventing thin-walled part as claimed in claim 1, wherein: the center line of the adjusting screw rod (18) is superposed with the center line of the supporting and connecting main body (1), the electromagnet (18) is located at the center of the elastic clamping block (16), and the positions and the number of the permanent magnets (5) are the same as those of the electromagnet (18).

9. The processing and positioning device for the deformation-preventing thin-walled part as claimed in claim 1, wherein: the pressure sensor is electrically connected with a plurality of electric telescopic rods (17) and electromagnets (18), the telescopic lengths of the electric telescopic rods (17) are consistent, and the electrification amounts of the electromagnets (18) are consistent.

10. The processing and positioning device for the deformation-preventing thin-walled part as claimed in claim 1, wherein: the permanent magnets (5) and the connecting plates (15) are distributed in a circumferential array along the central line of the supporting and connecting body (1), the connecting plates (15) and the internal parts are uniform in size and shape, and the sliding grooves (13) and the internal parts are uniform in size and shape.