CN115319507A

CN115319507A - Automobile parts drilling is with quick fixed positioning mechanism

Info

Publication number: CN115319507A
Application number: CN202211140350.9A
Authority: CN
Inventors: 苏永灵
Original assignee: Chongqing Junpukang Industrial Co ltd
Current assignee: Chongqing Junpukang Industrial Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-11-11

Abstract

The invention relates to the technical field of positioning mechanisms, and provides a positioning mechanism capable of being quickly fixed for drilling automobile parts, which is more suitable for auxiliary positioning in the machining process of sheet metal parts, has better applicability and better universality for sheet metal parts in different shapes, adopts a mode of accurately supporting parts for drilling operation to ensure that the sheet metal parts have smaller deformation, and the accurate supporting component can be subjected to preliminary adjustment according to the specific conditions of the sheet metal parts.

Description

Automobile parts drilling is with quick fixed positioning mechanism

Technical Field

The invention relates to the technical field of positioning mechanisms, in particular to a positioning mechanism capable of being fixed quickly for drilling automobile parts.

Background

It is known that the car has huge spare part system, a large amount of spare parts assemble mutually and form complete car, and the automobile body of car is exactly formed by a large amount of sheet metal component assembly welding, for subsequent assembly after guaranteeing the smooth welding and the welding completion of sheet metal component, need predetermine the hole on the car sheet metal component usually, the hole part on these sheet metal components can be punched out in the sheet metal stamping forming operation, but some special hole can cause punching press grinding apparatus die sinking difficulty, consequently, just need punch the operation once more after sheet metal component stamping forming to such hole, be convenient for the drilling processing of this type of hole, a locating mechanism that automobile parts drilling can be fixed fast is proposed.

Through search, chinese patent application publication No. CN107838840a, published on 27.3.2018, discloses an automobile part positioning tool, which is described generally as including a base on which a plurality of elastic supports arranged in a matrix are disposed, the elastic supports including a compression spring vertically fixed on the base and an elastic support block connected to a top of the compression spring, a plurality of first positioning members and second positioning members are respectively disposed on two sides of the plurality of elastic supports, the first positioning members include a first driver and a push block, the first driver is used to push the push block to position one side of a workpiece, the second positioning members include a second driver, a sliding support column and an included angle positioning block, the second driver is disposed on the base for driving the sliding support column to move toward the workpiece, the included angle positioning block is connected to the top of the sliding support column through a connecting rod, the included angle positioning block faces obliquely downward and is clamped on an upper vertex angle of the other side of the workpiece, when in use, the auxiliary positioning block is formed by the push block, the included angle positioning block, the elastic press block and the elastic support block are matched with a smaller pressing force, so that the workpiece is easily deformed, and the workpiece is easily influenced by the pressing force of the pressing block, the reliability of use is poor.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a positioning mechanism capable of being quickly fixed for drilling automobile parts, which is more suitable for auxiliary positioning in the machining process of sheet metal parts, has better applicability and better universality for sheet metal parts of different shapes, adopts a precise supporting mode for the part of drilling operation to ensure that the deformation of the sheet metal parts is smaller, and a precise supporting component can be subjected to preliminary adjustment according to the specific conditions of the sheet metal parts, and has simpler operation and better practicability in the adjustment process.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a drilling of automobile parts is with quick fixed positioning mechanism, includes the base, still includes accurate supporting component and a plurality of auxiliary positioning structure, wherein set up central operation mouth on the base, the bottom fixedly connected with support ring of base, be provided with interior annular groove in the support ring, be provided with the circular slab in the interior annular groove, be provided with the installing port on the circular slab, wherein accurate supporting component is including erecting the barrel holder, erect barrel holder fixed connection be in the installing port, the top of erecting the barrel holder is provided with a plurality of unthreaded holes, and the bottom of erecting the barrel holder is provided with a plurality of screw holes, and is a plurality of the axis of screw hole coincides with the axis of a plurality of unthreaded holes respectively, and a plurality of threaded hole equal threaded connection has adjusting screw, and is a plurality of adjusting screw's top is all rotated and is connected with the dwang, and is a plurality of the equal fixedly connected with supporting spring in top of dwang, and a plurality of the equal fixedly connected with lifter in top of supporting spring, and a plurality of the lifter is sliding fit respectively in a plurality of unthreaded holes, and wherein a plurality of auxiliary positioning structure all include track and a plurality of tracks and a plurality of magnetic block are all connected with the sliding frame on the base, a plurality of tracks and all be connected with the adjusting mechanism on the sliding frame, a plurality of sliding frame are used for a plurality of sliding frame all be connected with the adjusting mechanism on the vertical adjusting screw frame.

On the basis of aforementioned scheme, it is a plurality of supplementary subassembly that compresses tightly all includes the iron plate, and is a plurality of the iron plate homoenergetic is attracted by the magnetic path, and equal fixedly connected with connecting rod, a plurality of on a plurality of iron plates equal fixedly connected with connecting ball, a plurality of on the connecting rod all be provided with the adapter sleeve on the connecting ball, the below of going up the adapter sleeve is provided with down the adapter sleeve, goes up adapter sleeve and all adopts the elasticity material with lower adapter sleeve, and goes up and be provided with the inner chamber in the adapter sleeve, is provided with lower inner chamber down in the adapter sleeve, be connected with the magnetic sheet on going up the interior roof of inner chamber, be connected with the iron plate that can be attracted by the magnetic sheet down on the interior diapire of inner chamber.

Preferably, on the basis of the scheme, the sliding frame comprises a linear sliding block, the linear sliding block is connected to the track in a sliding mode, the linear sliding block is connected to a bottom plate through a connecting bolt, the bottom plate is connected with an elbow plate, the vertical sleeve is fixedly connected with the elbow plate, and a vertical plate is fixedly connected between the elbow plate and the bottom plate.

Further on the basis of the scheme, the adjusting structure comprises a connecting frame and a stepped connecting shaft, the connecting frame is connected to the mounting frame through a pressing bolt, a servo motor is installed on the connecting frame, a driving plate is fixedly installed on an output shaft of the servo motor, a driven plate is connected to the driving plate in a rotating mode, a round hole is formed in the driven plate, the stepped connecting shaft is connected to the inside of the round hole in a rotating mode, and the stepped connecting shaft is fixedly connected with the vertical plate.

On the basis of the scheme, a plurality of reinforcing rib plates are fixedly connected between the iron blocks and the connecting rod which are connected with each other.

Further on the basis of the scheme, four corners of the base are provided with connecting holes, and the base is multiple in the connecting holes, supporting legs are arranged in the connecting holes, and the supporting legs are multiple in the top ends of the supporting legs, threaded grooves are formed in the top ends of the supporting legs, the threaded grooves are connected with vertical threaded rods in a threaded mode, and connecting threaded grooves are formed in the bottom ends of the supporting legs.

As a further aspect of the above solution, two auxiliary hand levers are fixedly connected to the top end of the base.

As a still further improvement of the above solution, the diameter of the unthreaded hole is larger than the diameter of the threaded hole.

As a further aspect of the above solution, an auxiliary knob is fixedly connected to the bottom end of the adjusting screw.

(III) advantageous effects

Compared with the prior art, the invention provides a positioning mechanism capable of being quickly fixed for drilling automobile parts, which has the following beneficial effects:

1. according to the invention, through the design of the auxiliary positioning structure and the mutual matching of the plurality of auxiliary positioning structures, the auxiliary positioning in the sheet metal part machining process is convenient to realize, and through the matching of the adjusting structures, the adjustment of the auxiliary pressing assembly is convenient to realize, so that the auxiliary pressing assembly can be adjusted in position according to the size of the sheet metal part, and the applicability is better.

2. According to the invention, through the design of the auxiliary pressing assembly, the specific connection in the auxiliary positioning process of the sheet metal parts is realized, and the universality among different sheet metal parts is better.

3. According to the invention, through the design of the accurate supporting component, the part of the sheet metal part needing drilling operation can be conveniently supported, the deformation of the sheet metal part is smaller by adopting an accurate supporting mode aiming at the part needing drilling operation, the accurate supporting component can be subjected to preliminary adjustment according to the specific condition of the sheet metal part, and meanwhile, the operation in the adjusting process is simpler and the practicability is better.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a schematic perspective view of the support ring, circular plate and vertical tube support of the present invention;

FIG. 4 is a schematic view of a three-dimensional structure of the present invention in which a vertical barrel holder, an adjusting screw, a lifting rod, etc. are engaged;

FIG. 5 is a schematic view of a partially sectioned perspective structure of the present invention showing the engagement of a vertical column, an adjustment screw, and a lifter;

FIG. 6 is a schematic diagram of a three-dimensional structure of the magnet, iron block and connecting rod of the present invention;

FIG. 7 is a schematic view of a partially sectioned perspective structure of the invention with a connecting rod, connecting ball and upper connecting sleeve, etc. engaged;

FIG. 8 is a schematic bottom perspective view of the present invention;

fig. 9 is a partially enlarged view of the portion B in fig. 8 according to the present invention.

In the figure: 1. a base; 2. a central operation port; 3. a support ring; 4. a circular plate; 5. a vertical barrel rack; 6. adjusting the screw rod; 7. rotating the rod; 8. a support spring; 9. a lifting rod; 10. a track; 11. a mounting frame; 12. erecting a sleeve; 13. a magnetic block; 14. an iron block; 15. a connecting rod; 16. a connecting ball; 17. connecting sleeves are arranged; 18. a lower connecting sleeve; 19. a magnetic plate; 20. an iron plate; 21. a linear slider; 22. a connecting bolt; 23. a base plate; 24. a head bending plate; 25. a vertical plate; 26. a connecting frame; 27. a stepped connecting shaft; 28. a hold-down bolt; 29. a drive plate; 30. a driven plate; 31. reinforcing rib plates; 32. supporting legs; 33. a vertical threaded rod; 34. connecting the thread groove; 35. an auxiliary handle bar; 36. an auxiliary knob.

Detailed Description

Examples

Referring to fig. 1-9, a positioning mechanism for drilling automobile parts, which can be fixed quickly, comprises a base 1, a precise support assembly and a plurality of auxiliary positioning structures, wherein the base 1 is provided with a central operation opening 2, four corners of the base 1 are provided with connecting holes, supporting legs 32 are arranged in the connecting holes, the top ends of the supporting legs 32 are provided with threaded grooves, vertical threaded rods 33 are connected to the threaded grooves in a threaded manner, the bottom ends of the supporting legs 32 are provided with connecting threaded grooves 34, so that an adjusting operation space is formed between the base 1 and an installation surface, the top end of the base 1 is fixedly connected with two auxiliary hand rods 35, so that the base 1 can be gripped during carrying or adjusting operation, the bottom end of the base 1 is fixedly connected with a support ring 3, an inner annular groove is arranged in the support ring 3, a circular plate 4 is arranged in the inner annular groove, an installation opening is arranged on the circular plate 4, the precise support assembly comprises a vertical barrel frame 5, the vertical barrel frame 5 is fixedly connected in the mounting hole, a plurality of unthreaded holes are formed in the top end of the vertical barrel frame 5, a plurality of threaded holes are formed in the bottom end of the vertical barrel frame 5, the axes of the threaded holes are respectively superposed with the axes of the unthreaded holes, the diameters of the unthreaded holes are larger than the diameters of the threaded holes, the rotating rod 7 is prevented from falling from the threaded holes, the adjusting screw 6 can rotate to enter the threaded holes, the adjusting range of the adjusting screw 6 is improved, the adjusting screw 6 is in threaded connection in each threaded hole, the rotating rod 7 is in rotatable connection with the top end of each adjusting screw 6, the supporting springs 8 are fixedly connected with the top ends of the rotating rods 7, the lifting rods 9 are fixedly connected with the top ends of the supporting springs 8, the lifting rods 9 are respectively in sliding fit in the unthreaded holes, and through the design of an accurate supporting component, the part of a sheet metal part needing drilling operation is conveniently supported, the adoption is to the mode that the part of drilling operation took accurate support, makes the deformation of sheet metal component less to accurate supporting component can prepare the regulation according to the particular case of sheet metal component, and the operation is simpler in the accommodation process simultaneously, and the practicality is better, and adjusting screw 6's the rotation operation of adjusting screw 6 of being convenient for is assisted knob 36 to the bottom fixedly connected with.

It should be further noted that, the plurality of auxiliary positioning structures all include the track 10 and the mounting rack 11, the plurality of tracks 10 and the plurality of mounting racks 11 are all connected to the base 1, the plurality of tracks 10 are all slidably connected to the carriage, the plurality of mounting racks 11 are all installed with the adjusting structure, the adjusting structure includes a connecting rack 26 and a stepped connecting shaft 27, the connecting rack 26 is connected to the mounting rack 11 through a pressing bolt 28, a servo motor is installed on the connecting rack 26, a driving plate 29 is fixedly installed on an output shaft of the servo motor, a driven plate 30 is rotatably connected to the driving plate 29, a circular hole is formed in the driven plate 30, the stepped connecting shaft 27 is rotatably connected in the circular hole, the stepped connecting shaft 27 is fixedly connected to the vertical plate 25, and through the cooperation of the adjusting structure, the adjustment of the auxiliary pressing assembly is conveniently realized, so that the auxiliary pressing assembly can perform position adjustment according to the size of the sheet metal part, the applicability is better, the adjusting structures are respectively used for adjusting the positions of the sliding frames on the rails 10, the sliding frames are fixedly connected with vertical sleeves 12, magnetic blocks 13 are arranged in the vertical sleeves 12, through the design of the auxiliary positioning structures and the mutual matching of the auxiliary positioning structures, the auxiliary positioning in the sheet metal part machining process is convenient to realize, the sliding frames comprise linear sliders 21, the linear sliders 21 are slidably connected on the rails 10, the linear sliders 21 are connected with bottom plates 23 through connecting bolts 22, the bottom plates 23 are connected with elbow plates 24, the vertical sleeves 12 are fixedly connected with the elbow plates 24, vertical plates 25 are fixedly connected between the elbow plates 24 and the bottom plates 23, the vertical sleeves 12 are respectively provided with auxiliary pressing components through magnetic attraction, the auxiliary pressing components respectively comprise iron blocks 14, the iron blocks 14 can be attracted by the magnetic blocks 13, and the iron blocks 14 are respectively fixedly connected with connecting rods 15, a plurality of deep floor of fixedly connected with 31 between interconnect's iron plate 14 and connecting rod 15, improve the connection reliability between iron plate 14 and the connecting rod 15, equal fixedly connected with connecting ball 16 on a plurality of connecting rods 15, all be provided with adapter sleeve 17 on a plurality of connecting ball 16, the below of going up adapter sleeve 17 is provided with down adapter sleeve 18, it all adopts elastic material with lower adapter sleeve 18 to go up adapter sleeve 17, and be provided with the inner chamber in going up adapter sleeve 17, be provided with lower inner chamber in the lower adapter sleeve 18, be connected with magnetic sheet 19 on the interior roof of last inner chamber, be connected with iron plate 20 that can be attracted by magnetic sheet 19 on the interior diapire of lower inner chamber, design through supplementary compress tightly the subassembly, realize the concrete junction to among the sheet metal component assistance-localization real-time, it is better to the commonality between the different sheet metal components.

The servo motor in this embodiment is a conventional device purchased on the market and known to those skilled in the art, and may also be customized according to actual needs, and in this patent, we only use it, and do not improve its structure and function, and set its setting mode, installation mode, and electrical connection mode, and for those skilled in the art, it is only necessary to perform debugging operation according to the requirements of their usage specifications, and it is not described here again.

In summary, the working process of the positioning mechanism capable of being fixed quickly for drilling the automobile parts comprises the steps of firstly installing the positioning mechanism capable of being fixed quickly for drilling the automobile parts in the working area of equipment capable of drilling the sheet metal parts, enabling the supporting feet 32 to be in contact with the working platform surface of the equipment capable of performing the drilling operation in the installation process, realizing the stability of the relative position of the base 1 relative to the working platform surface through the connecting thread grooves 34 if necessary, then controlling the work of the servo motor to realize the adjustment of the relative position of the linear sliding block 21 on the track 10 and the position control after the adjustment by switching on the power supply of the servo motor according to the size of the sheet metal parts, then taking the iron block 14 off the vertical sleeve 12, separating the lower connecting sleeve 18 from the upper connecting sleeve 17, and then placing the sheet metal parts into the space between the upper connecting sleeve 17 and the lower connecting sleeve 18, then, the upper connecting sleeve 17 and the lower connecting sleeve 18 are mutually close to each other, the upper connecting sleeve 17 and the lower connecting sleeve 18 are mutually matched to form the adjustment of the relative position of the sheet metal part through the mutual matching of the magnetic plate 19 and the iron plate 20, then the iron block 14 is close to the vertical sleeve 12, the magnetic block 13 acts on the iron block 14 to form the relative positioning of the iron block 14, so that the auxiliary positioning of the sheet metal part is realized, the position of the support ring 3 in the circular plate 4 is adjusted according to the position of the sheet metal part needing punching operation after the positioning is finished, the vertical cylinder frame 5 is positioned right below the punching operation position of the sheet metal part, the iron block 14 is pressed downwards relative to the vertical sleeve 12 after the adjustment is finished, the sheet metal part is contacted with the lifting rod 9 to form a certain pressure, then the punching operation is finished, because the sheet metal part needing to be processed is formed in the supporting process of the lifting rod 9, it is inevitable that the lifting rod 9 cannot be supported in contact with the sheet metal part even after the iron block 14 is pressed to the lowest position relative to the vertical sleeve 12 due to the local shape of the sheet metal part, so that the adjustment of the supporting height of the lifting rod 9 can be realized by rotating the adjusting screw 6 in this state, and for the punching operation of a large number of sheet metal parts with the same specification, the minimum number of pressing points of the upper connecting sleeve 17 and the lower connecting sleeve 18 can be selected according to the structural characteristics of the sheet metal part and the accuracy requirement of the hole, and the structure forming structure of the invention is not changed, so that the description is omitted.

Claims

1. A positioning mechanism capable of being fixed quickly for drilling automobile parts comprises

The base (1) is characterized by further comprising an accurate supporting component and a plurality of auxiliary positioning structures, wherein

The base is characterized in that a central operation opening (2) is formed in the base (1), a support ring (3) is fixedly connected to the bottom end of the base (1), an inner annular groove is formed in the support ring (3), a circular plate (4) is arranged in the inner annular groove, a mounting opening is formed in the circular plate (4), and the base is provided with a central operation opening (2)

Accurate supporting component is including erecting barrel holder (5), erect barrel holder (5) fixed connection be in the installation port, the top of erecting barrel holder (5) is provided with a plurality of unthreaded holes, and the bottom of erecting barrel holder (5) is provided with a plurality of screw holes, and is a plurality of the axis of screw hole coincides with the axis of a plurality of unthreaded holes respectively, and the equal threaded connection in a plurality of threaded holes has adjusting screw (6), and is a plurality of the equal rotation in top of adjusting screw (6) is connected with dwang (7), and is a plurality of the equal fixedly connected with in top of dwang (7) supporting spring (8), and is a plurality of the equal fixedly connected with lifter (9) in top of supporting spring (8), it is a plurality of lifter (9) sliding fit is downthehole at a plurality of unthreaded holes respectively, wherein

It is a plurality of auxiliary positioning structure all includes track (10) and mounting bracket (11), and is a plurality of track (10) and a plurality of mounting bracket (11) are all connected on base (1), and equal sliding connection has a carriage on a plurality of track (10), and is a plurality of all install the regulation structure on mounting bracket (11), and is a plurality of the regulation structure is used for the position control of a plurality of sliders on a plurality of track (10) respectively, and equal fixedly connected with erects cover (12) on a plurality of carriages, and is a plurality of it is provided with magnetic path (13) in cover (12) to erect, and a plurality of equal magnetic attraction have supplementary subassembly that compresses tightly on cover (12) of erecting.

2. The quick-fixing positioning mechanism for drilling the automobile parts as claimed in claim 1, wherein the auxiliary pressing assemblies comprise iron blocks (14), the iron blocks (14) can be attracted by magnetic blocks (13), connecting rods (15) are fixedly connected to the iron blocks (14), connecting balls (16) are fixedly connected to the connecting rods (15), upper connecting sleeves (17) are arranged on the connecting balls (16), lower connecting sleeves (18) are arranged below the upper connecting sleeves (17), the upper connecting sleeves (17) and the lower connecting sleeves (18) are made of elastic materials, upper inner cavities are arranged in the upper connecting sleeves (17), lower inner cavities are arranged in the lower connecting sleeves (18), magnetic plates (19) are connected to the inner top walls of the upper inner cavities, and iron plates (20) which can be attracted by the magnetic plates (19) are connected to the inner bottom walls of the lower inner cavities.

3. The quick-fixing positioning mechanism for drilling the automobile part according to claim 2, wherein the sliding frame comprises a linear sliding block (21), the linear sliding block (21) is slidably connected to the rail (10), a bottom plate (23) is connected to the linear sliding block (21) through a connecting bolt (22), an elbow plate (24) is connected to the bottom plate (23), the vertical sleeve (12) is fixedly connected to the elbow plate (24), and a vertical plate (25) is fixedly connected between the elbow plate (24) and the bottom plate (23).

4. The quick-fixing positioning mechanism for drilling of the automobile parts as claimed in claim 3, wherein the adjusting structure comprises a connecting frame (26) and a stepped connecting shaft (27), the connecting frame (26) is connected to the mounting frame (11) through a pressing bolt (28), a servo motor is installed on the connecting frame (26), a driving plate (29) is fixedly installed on an output shaft of the servo motor, a driven plate (30) is rotatably connected to the driving plate (29), a circular hole is formed in the driven plate (30), the stepped connecting shaft (27) is rotatably connected in the circular hole, and the stepped connecting shaft (27) is fixedly connected to the vertical plate (25).

5. The quick-fixing positioning mechanism for drilling the automobile parts according to claim 4, characterized in that a plurality of reinforcing rib plates (31) are fixedly connected between the iron blocks (14) and the connecting rods (15) which are connected with each other.

6. The quick-fixing positioning mechanism for drilling the automobile parts according to claim 5, wherein connecting holes are formed in four corners of the base (1), supporting legs (32) are arranged in a plurality of the connecting holes, thread grooves are formed in the top ends of the supporting legs (32), vertical threaded rods (33) are connected in the thread grooves in a threaded manner, and connecting thread grooves (34) are formed in the bottom ends of the supporting legs (32).

7. The quick-fixing positioning mechanism for drilling the automobile parts as claimed in claim 6, wherein two auxiliary hand levers (35) are fixedly connected to the top end of the base (1).

8. The quick-fix positioning mechanism for drilling of automobile parts as claimed in claim 7, wherein the diameter of the unthreaded hole is larger than the diameter of the threaded hole.

9. The quick-fixing positioning mechanism for drilling the automobile parts as claimed in claim 8, wherein an auxiliary knob (36) is fixedly connected to the bottom end of the adjusting screw rod (6).