CN111085951B

CN111085951B - Car curved surface accessory fixing device based on ratchet location principle

Info

Publication number: CN111085951B
Application number: CN201911278304.3A
Authority: CN
Inventors: 徐宜灯
Original assignee: Shaoxing Jinyuan Wuma Machinery Co ltd
Current assignee: Shaoxing Jinyuan Wuma Machinery Co.,Ltd.
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2021-05-18
Anticipated expiration: 2039-12-12
Also published as: CN111085951A

Abstract

The invention relates to the technical field of automobile accessories and discloses an automobile curved surface accessory fixing device based on a ratchet wheel positioning principle, which comprises a processing table board, wherein a movable sliding groove is formed in the top of the processing table board, a fixed sliding block is connected inside the movable sliding groove in a sliding manner, a telescopic rod is fixedly connected to the top of the fixed sliding block, a cross rod is fixedly connected to the top of the telescopic rod, a connecting rod is hinged to the outer part of the cross rod, a chuck is fixedly connected to the outer part of the connecting rod, an arc-shaped ring is fixedly connected to one end, far away from the chuck, of the connecting rod, the arc-shaped ring can be rotated through the matched use of the arc-shaped ring, the connecting rod and the chuck, the connecting rod rotates around the hinged position of the connecting rod and the cross rod, the effect of adjusting the chuck angle is achieved, the curved surface, thereby improving the processing quality of the curved surface accessory.

Description

Car curved surface accessory fixing device based on ratchet location principle

Technical Field

The invention relates to the technical field of automobile accessories, in particular to an automobile curved surface accessory fixing device based on a ratchet wheel positioning principle.

Background

Automobile parts are units constituting the whole automobile and a product serving the automobile, the variety of the automobile parts is various, people consume more and more automobiles along with the improvement of living standard of people, the market of the automobile parts is increased, and automobile part manufacturers are developed rapidly in recent years, wherein one part of the automobile parts is in a curved surface shape, and the curved surface parts need to be clamped and fixed by a clamp in the field during processing, polishing, detection and other operations of the curved surface parts.

However, the existing fixture can only effectively clamp and fix straight auto parts, general fixtures cannot effectively clamp and fix the auto parts with curved surface shapes, or a special curved surface fixture is configured according to the processed curved surface parts, however, the curved surface supporting part specially configured with the curved surface fixture usually belongs to a fixed and welded curved surface supporting part, and only special curved surface processing can be supported, but the types of auto parts in the automotive field are various, the related curved surface parts are various, so that the radian of the curved surface is various, and multiple sets of curved surface fixtures are required to be prepared to adapt to the processing of various curved surface parts, so that the processing difficulty is increased, the storage space and equipment cost of processing equipment are increased, and the production benefit of enterprises is reduced.

In order to solve the above problems, the inventor provides an automobile curved surface accessory fixing device based on a ratchet wheel positioning principle, which has the advantages that the angle of a chuck can be flexibly adjusted according to the shape of a curved surface, so that effective clamping and fixing of curved surface accessories are guaranteed, the stability in the processing process of the curved surface accessories is guaranteed, the processing quality of the curved surface accessories is improved, and a curved surface supporting part can be flexibly adjusted according to the radian of the curved surface, so that the device is suitable for supporting the cambered surfaces of the curved surface accessories with different radians, the number of devices is reduced, the device cost is reduced, the storage space is reduced, and the enterprise benefit.

Disclosure of Invention

In order to realize the purpose of ensuring the effective clamping and fixing of the curved surface fittings and adapting to the cambered surface support of the curved surface fittings with different radians, the invention provides the following technical scheme: the utility model provides an automobile curved surface accessory fixing device based on ratchet location principle, includes processing mesa, removes spout, fixed sliding block, telescopic link, horizontal pole, connecting rod, chuck, arc ring, threaded rod, clamp plate, regulating block, supports groove, back shaft, supporting shoe, annular spacing groove, stopper, spacing spring, spacing ball, interior ratchet ring, pawl, miniature hydraulic stem.

The position and connection relation of the structures are as follows:

the top of the processing table board is provided with a movable sliding chute, the inside of the movable sliding chute is connected with a fixed sliding block in a sliding manner, the top of the fixed sliding block is fixedly connected with a telescopic rod, the top of the telescopic rod is fixedly connected with a cross rod, the outside of the cross rod is hinged with a connecting rod, the outside of the connecting rod is fixedly connected with a chuck, one end of the connecting rod, which is far away from the chuck, is fixedly connected with an arc-shaped ring, the inside of the arc-shaped ring is connected with a threaded rod in a sliding manner, the outside of the threaded rod is movably connected with a pressing plate, the top of the threaded rod is fixedly connected with an adjusting block, the surface of the processing table board is provided with a supporting groove, the lower part of the processing table board is, the inner part of the supporting shaft is fixedly connected with a limiting spring, the outer part of the limiting spring is fixedly connected with a limiting ball, an inner ratchet ring is arranged inside the limiting block, a pawl is movably connected inside the inner ratchet ring, and a miniature hydraulic rod is fixedly connected outside the pawl.

Preferably, the two groups of moving chutes are arranged and are respectively positioned on two sides of the supporting block.

Preferably, the fixed sliding blocks, the telescopic rods, the cross rods, the connecting rods, the chucks, the arc-shaped rings, the threaded rods, the pressing plates and the adjusting blocks are arranged in two groups and are respectively located on two sides of the supporting block, and the two groups of fixed sliding blocks are respectively connected inside the two groups of movable sliding grooves in a sliding mode.

Preferably, the circle center of the arc-shaped ring coincides with the center of the hinged position of the connecting rod and the cross rod.

Preferably, the supporting shaft is fixedly connected with the motor, and the supporting shaft and the processing table top are both fixedly connected at corresponding positions of the processing procedures.

Preferably, the supporting blocks are at least five and are movably connected inside the supporting groove, the supporting blocks are special-shaped cams with the radiuses gradually increased, the thickness of each supporting block is matched with the width of the supporting groove, and the maximum diameter of each supporting block is matched with the length of one half of the supporting groove.

Preferably, the limiting blocks are connected to the inner portions of the annular limiting grooves in a meshed mode, at least four limiting blocks are arranged in each annular limiting groove, and the four limiting blocks are different in rotating state.

Preferably, the number of the limiting springs, the number of the limiting balls and the number of the limiting blocks are the same, and the limiting balls are movably connected with the limiting blocks.

Advantageous effects

Compared with the prior art, the invention provides an automobile curved surface accessory fixing device based on a ratchet wheel positioning principle, which has the following beneficial effects:

1. this car curved surface accessory fixing device based on ratchet location principle uses through the cooperation of arc ring, connecting rod and chuck to can rotate the arc ring, make the connecting rod rotate around the articulated department of connecting rod and horizontal pole, thereby reach the effect of adjusting the chuck angle, make things convenient for centre gripping curved surface accessory, improve the validity and the fixity of curved surface accessory centre gripping, guarantee the stability in the curved surface accessory course of working, thereby improve the processingquality of curved surface accessory.

2. This automobile curved surface accessory fixing device based on ratchet location principle, cooperation through back shaft and supporting shoe is used, it rotates to drive the supporting shoe through rotating the back shaft, thereby make the supporting shoe support curved surface accessory, and because the principle of ratchet rotation location, thereby make the supporting shoe only can be for back shaft unidirectional rotation, conveniently rotate to different angles at the curved surface accessory in different positions, thereby can adjust different support heights according to the processing curved surface accessory of difference, thereby the cambered surface that adapts to the curved surface accessory of different radians supports, thereby can reduce the quantity of equipment, reduce equipment cost, reduce and store the space, the productivity effect of enterprise is improved.

3. This car curved surface accessory fixing device based on ratchet location principle, through the stopper, spacing spring and spacing ball, spacing ball is under spacing spring's effect, the rotation of restriction stopper, and the stopper meshing is connected at annular spacing inslot, so be favorable to the back shaft to drive the supporting shoe and rotate, simultaneously when supporting shoe and cambered surface accessory contact, the spacing ball of stopper roof pressure, spacing ball compression spacing spring, then the stopper continues to rotate, supporting shoe rigidity simultaneously, make things convenient for the back shaft to drive different supporting shoes and rotate different angles, reach the effect that the supporting shoe turned angle was adjusted in a flexible way to the back shaft.

4. This car curved surface accessory fixing device based on ratchet location principle, through interior ratchet ring, the cooperation of pawl and miniature hydraulic stem is used, through the combined action of pawl and miniature hydraulic stem, when the supporting shoe is adjusted and is accomplished, miniature hydraulic stem promotes the pawl, make the pawl restriction stopper rotate, thereby reach the effect of fixed supporting shoe, make the supporting shoe accomplish the supporting role to the curved surface accessory, reach the rotation angle that can adjust the supporting shoe through rotating the back shaft, the position of while can fix the supporting shoe again, reach the effect of supporting the location.

Drawings

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

FIG. 2 is an enlarged view of the connection between the arc ring and the pressing plate of part A of the structure of FIG. 1;

FIG. 3 is a schematic view of the connection of the pressure plate, the arc-shaped ring, the threaded rod, the cross rod and the adjusting block according to the structure of the present invention;

FIG. 4 is a side view of the structural work table, support grooves, support shafts and support blocks of the present invention;

FIG. 5 is a schematic view of the connection of the support shaft, the support block and the limiting block according to the structure of the present invention;

FIG. 6 is a schematic view of a part C of the present invention showing a connection amplifying block of a spacing spring and a spacing ball;

FIG. 7 is a schematic view of the connection of the structural limit block, the inner ratchet ring, the pawl and the micro hydraulic rod of the present invention;

FIG. 8 is a schematic view of the support block supporting a curved surface of an automobile part according to the present invention.

In the figure: 1. processing a table top; 2. a moving chute; 3. fixing the sliding block; 4. a telescopic rod; 5. a cross bar; 6. a connecting rod; 7. a chuck; 8. an arc-shaped ring; 9. a threaded rod; 10. pressing a plate; 11. an adjusting block; 12. a support groove; 13. a support shaft; 14. a support block; 15. an annular limiting groove; 16. a limiting block; 17. a limiting spring; 18. a limiting ball; 19. an inner ratchet ring; 20. a pawl; 21. a micro hydraulic rod.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, an automobile curved surface fitting fixing device based on a ratchet positioning principle includes a processing table 1, a moving chute 2, a fixed slide block 3, a telescopic rod 4, a cross rod 5, a connecting rod 6, a chuck 7, an arc-shaped ring 8, a threaded rod 9, a pressure plate 10, an adjusting block 11, a supporting groove 12, a supporting shaft 13, a supporting block 14, an annular limiting groove 15, a limiting block 16, a limiting spring 17, a limiting ball 18, an inner ratchet ring 19, a pawl 20 and a micro hydraulic rod 21.

The position and connection relation of the structures are as follows:

the top of the processing table board 1 is provided with two groups of moving chutes 2, the two groups of moving chutes 2 are respectively positioned at two sides of the supporting block 14, the inside of the moving chute 2 is slidably connected with a fixed slide block 3, the top of the fixed slide block 3 is fixedly connected with a telescopic rod 4, the top of the telescopic rod 4 is fixedly connected with a cross rod 5, the outside of the cross rod 5 is hinged with a connecting rod 6, the outside of the connecting rod 6 is fixedly connected with a chuck 7, one end of the connecting rod 6 far away from the chuck 7 is fixedly connected with an arc-shaped ring 8, the circle center of the arc-shaped ring 8 is superposed with the center of the hinged part of the connecting rod 6 and the cross rod 5, the arc-shaped ring 8 and the chuck 7 are matched for use, so that the arc-shaped ring 8 can be rotated, the connecting rod 6 rotates around the hinged, improve, the validity and the fixity of curved surface accessory centre gripping, guarantee the stability in the curved surface accessory course of working, thereby improve the processingquality of curved surface accessory, the inside sliding connection of arc ring 8 has threaded rod 9, the outside swing joint of threaded rod 9 has clamp plate 10, the top fixedly connected with regulating block 11 of threaded rod 9, solid fixed sliding block 3, telescopic link 4, horizontal pole 5, connecting rod 6, chuck 7, arc ring 8, threaded rod 9, clamp plate 10 and regulating block 11 all are provided with two sets ofly, and be located the both sides of supporting shoe 14 respectively, two sets of solid fixed sliding block 3 sliding connection are in the inside of two sets of removal spouts 2 respectively, support groove 12 has been seted up on the surface of processing mesa 1.

The lower part of the processing table board 1 is movably connected with a supporting shaft 13, the supporting shaft 13 is fixedly connected with a motor, the supporting shaft 13 and the processing table board 1 are fixedly connected at corresponding positions of a processing procedure, the outer part of the supporting shaft 13 is movably connected with supporting blocks 14, at least five supporting blocks 14 are arranged and are movably connected inside a supporting groove 12, the supporting blocks 14 are special-shaped cams with gradually increasing radiuses, the thickness of the supporting blocks 14 is matched with the width of the supporting groove 12, the maximum diameter of the supporting blocks 14 is matched with the half length of the supporting groove 12, the supporting blocks 14 are driven to rotate by rotating the supporting shaft 13 through matching of the supporting shaft 13 and the supporting blocks 14, so that the supporting blocks 14 support curved surface accessories, and due to the principle of ratchet wheel rotation positioning, the supporting blocks 14 can only rotate in one direction relative to the supporting shaft 13, and the curved surface accessories, therefore, different supporting heights can be adjusted according to different processing curved surface accessories, so that the cambered surface supporting of the curved surface accessories with different radians is adapted, the number of equipment can be reduced, the equipment cost is reduced, the storage space is reduced, and the production benefit of enterprises is improved, the inside of the supporting block 14 is provided with the annular limiting groove 15, the inside of the supporting shaft 13 is movably connected with the limiting block 16, the limiting block 16 is meshed and connected with the inside of the annular limiting groove 15, at least four limiting blocks 16 are arranged inside each annular limiting groove 15, the rotating states of the four limiting blocks 16 are different, the inside of the supporting shaft 13 is fixedly connected with the limiting spring 17, the outside of the limiting spring 17 is fixedly connected with the limiting ball 18, the limiting spring 17 and the limiting ball 18 are the same as the limiting blocks 16 in number, and the limiting ball 18 is movably connected with the limiting block 16, the limiting ball 18 limits the rotation of the limiting block 16 under the action of the limiting spring 17, and the limiting block 16 is meshed and connected in the annular limiting groove 15, so that the supporting shaft 13 is favorable for driving the supporting block 14 to rotate, meanwhile, when the supporting block 14 is contacted with the cambered surface accessory, the limiting block 16 presses the limiting ball 18, the limiting ball 18 compresses the limiting spring 17, the limiting block 16 continues to rotate, meanwhile, the supporting block 14 is fixed in position, the supporting shaft 13 is convenient for driving different supporting blocks 14 to rotate to different angles, the effect of flexibly adjusting the rotating angle of the supporting block 14 by the supporting shaft 13 is achieved, the limiting block 16 is internally provided with an inner ratchet ring 19, the inner ratchet ring 19 is movably connected with a pawl 20, the outside of the pawl 20 is fixedly connected with a micro hydraulic rod 21, and through the matching use of the inner ratchet ring 19, the pawl 20 and the micro hydraulic rod 21, when the adjustment of the, the micro hydraulic rod 21 pushes the pawl 20 to enable the pawl 20 to limit the limiting block 16 to rotate, so that the effect of fixing the supporting block 14 is achieved, the supporting block 14 can complete the supporting effect on the curved surface accessory, the rotating angle of the supporting block 14 can be adjusted by rotating the supporting shaft 13, meanwhile, the position of the supporting block 14 can be fixed, and the supporting and positioning effect is achieved.

Please refer to fig. 8, in the working process and principle, when in use, because the fixed slide block 3 is slidably connected inside the movable sliding chute 2, the fixed slide block 3 is fixedly connected with the telescopic rod 4, the telescopic rod 4 is fixedly connected with the cross rod 5, the cross rod 5 is hinged with the connecting rod 6, the connecting rod 6 is fixedly connected with the chuck 7, the connecting rod 6 is fixedly connected with the arc ring 8, the inner part of the arc ring 8 is movably connected with the threaded rod 9, the threaded rod 9 is movably connected with the pressing plate 10, the threaded rod 9 is fixedly connected with the adjusting block 11, the fixed slide block 3 can be moved according to the arc automobile accessory, the distance between the two fixed slide blocks 3 can be adjusted, simultaneously, the height of the telescopic rod 4 can be adjusted according to the height of the arc plate, the arc ring 8 can be rotated according to the radian of the curved automobile accessory, the connecting rod 6, the curved surface accessory is convenient to clamp, the effectiveness and the fixity of the clamping of the curved surface accessory are improved, meanwhile, as the supporting block 14 is movably connected inside the supporting groove 12, the supporting block 14 is fixedly connected with the supporting shaft 13, the supporting block 14 is internally provided with the annular limiting groove 15, the annular limiting groove 15 is meshed with the limiting block 16, the limiting block 16 is movably connected with the supporting shaft 13, the limiting block 16 is movably connected with the limiting ball 18, the limiting ball 18 is movably connected with the limiting spring 17, the limiting ball 18 is movably connected inside the supporting shaft 13, the limiting ball 18 limits the rotation of the limiting block 16 under the action of the limiting spring 17, the supporting shaft 13 drives the supporting block 14 to rotate, meanwhile, when the supporting block 14 is contacted with the cambered surface accessory, the limiting block 16 presses the limiting ball 18, the limiting ball 18 compresses the limiting spring 17, and the supporting shaft 13 can continuously, meanwhile, the inner ratchet ring 19 is arranged inside the limiting block 16, the inner ratchet ring 19 is movably connected with the pawl 20, the pawl 20 is fixedly connected with the miniature hydraulic rod 21, the pawl 20 and the miniature hydraulic rod 21 are fixedly connected inside the supporting shaft 13, and when the supporting block 14 is adjusted, the miniature hydraulic rod 21 pushes the pawl 20 to enable the pawl 20 to limit the limiting block 16 to rotate, so that the effect of fixing the supporting block 14 is achieved, and the supporting block 14 can support the curved-surface fittings.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automobile curved surface accessory fixing device based on ratchet location principle, includes processing mesa (1), its characterized in that: the top of the processing table board (1) is provided with a movable sliding chute (2), the inner part of the movable sliding chute (2) is connected with a fixed sliding block (3) in a sliding manner, the top of the fixed sliding block (3) is fixedly connected with a telescopic rod (4), the top of the telescopic rod (4) is fixedly connected with a cross rod (5), the outer part of the cross rod (5) is hinged with a connecting rod (6), the outer part of the connecting rod (6) is fixedly connected with a chuck (7), one end of the connecting rod (6) far away from the chuck (7) is fixedly connected with an arc-shaped ring (8), the inner part of the arc-shaped ring (8) is connected with a threaded rod (9) in a sliding manner, the outer part of the threaded rod (9) is movably connected with a pressing plate (10), the top of the threaded rod (9), a supporting shaft (13) is movably connected below the processing table board (1), a supporting block (14) is movably connected outside the supporting shaft (13), an annular limiting groove (15) is formed in the supporting block (14), a limiting block (16) is movably connected inside the supporting shaft (13), a limiting spring (17) is fixedly connected inside the supporting shaft (13), a limiting ball (18) is fixedly connected outside the limiting spring (17), an inner ratchet ring (19) is formed in the limiting block (16), a pawl (20) is movably connected inside the inner ratchet ring (19), and a micro hydraulic rod (21) is fixedly connected outside the pawl (20); the number of the limiting springs (17), the number of the limiting balls (18) and the number of the limiting blocks (16) are the same, and the limiting balls (18) are movably connected with the limiting blocks (16).

2. The automobile curved surface fitting fixing device based on the ratchet wheel positioning principle as claimed in claim 1, wherein: the two groups of the moving chutes (2) are arranged, and the two groups of the moving chutes (2) are respectively positioned on two sides of the supporting block (14).

3. The automobile curved surface fitting fixing device based on the ratchet wheel positioning principle as claimed in claim 1, wherein: fixed sliding block (3), telescopic link (4), horizontal pole (5), connecting rod (6), chuck (7), arc ring (8), threaded rod (9), clamp plate (10) and regulating block (11) all are provided with two sets ofly, and are located the both sides of supporting shoe (14) respectively, and two sets of fixed sliding block (3) are sliding connection respectively in the inside of two sets of removal spouts (2).

4. The automobile curved surface fitting fixing device based on the ratchet wheel positioning principle as claimed in claim 1, wherein: the circle center of the arc-shaped ring (8) coincides with the center of the hinged part of the connecting rod (6) and the cross rod (5).

5. The automobile curved surface fitting fixing device based on the ratchet wheel positioning principle as claimed in claim 1, wherein: the supporting shaft (13) is fixedly connected with the motor, and the supporting shaft (13) and the processing table board (1) are fixedly connected at corresponding positions of the processing procedures.

6. The automobile curved surface fitting fixing device based on the ratchet wheel positioning principle as claimed in claim 1, wherein: the supporting blocks (14) are at least five and are movably connected inside the supporting groove (12), the supporting blocks (14) are special-shaped cams with the radiuses gradually increased, the thickness of the supporting blocks (14) is matched with the width of the supporting groove (12), and the maximum diameter of the supporting blocks (14) is matched with the length of one half of the supporting groove (12).

7. The automobile curved surface fitting fixing device based on the ratchet wheel positioning principle as claimed in claim 1, wherein: the limiting blocks (16) are connected inside the annular limiting grooves (15) in a meshed mode, at least four limiting blocks (16) are arranged inside each annular limiting groove (15), and the four limiting blocks (16) are different in rotating state.