CN217315700U - Portable online riveting device - Google Patents

Abstract

The utility model discloses a portable online riveting device belongs to flange nut riveting technical field, concretely relates to portable online riveting device to lock nut riveting of flange, including riveting mechanism and the riveting subassembly of cooperation use with it, riveting mechanism includes C type support frame, hydro-cylinder, hydraulic pressure station and pressure head, and the volume that makes a whole set of riveting device through setting up to the C type support frame of the device reduces greatly for current riveting device's volume, and simultaneously, riveting mechanism uses the noise of having avoided artifical riveting to bring again with the cooperation of riveting subassembly big, the high scheduling problem of operation intensity of labour. Through the reasonable setting to the riveting subassembly, guaranteed the riveting of dress individual device stable, the riveting quality that the uniformity is good. The problems of large occupied space, high price, poor consistency and unstable riveting quality caused by manual riveting in the prior art are solved.

Description

Portable online riveting device

Technical Field

The utility model belongs to the technical field of the flange nut is riveted and adorns, a portable online riveting device to the lock nut riveting of flange is related to.

Background

The flange is as an indispensable key part of transmission shaft, passes through splined connection with the transmission shaft and is used for the transmission moment of torsion, and lock nut passes through threaded connection with the output shaft for prevent that flange and output shaft break away from. The output shaft of the automobile gearbox is mainly used. Referring to fig. 1, with the rapid development of the automobile industry in China, in order to improve the assembly efficiency and the product quality, the locking mode of a flange is changed from the mode of matching a slotted nut with a cotter pin to the mode of matching a slotted nut with a locking nut and riveting the shaft end. After the locking nut is screwed according to the pre-tightening torque, two symmetrical positions at the top end of the nut are riveted in the groove at the shaft end of the output shaft, so that the thread pair is prevented from rotating relatively, and the anti-loosening effect is achieved. The anti-loosening mode has high reliability, can be used for bearing connection with impact or large load change, and the tightening torque is easy to control accurately.

At present, when the lock nut of the flange is riveted in the same industry at home and abroad, the common riveting modes include two types: one is a special riveting press, and the special riveting press is expensive and occupies a large space; the second is riveting with a riveter or a smashing rod, the noise is large, the labor intensity of operators is high, the riveting quality is unstable, and the consistency is poor.

Therefore, the development of the automatic riveting device and the riveting component which are low in price, small in occupied space and stable in riveting quality has important significance for the development of the current automobile bearing assembly industry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem among the prior art, provide a portable online riveting device that occupation space is little, the low price.

In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:

the utility model provides a portable online riveting device, which comprises a riveting mechanism and a riveting component matched with the riveting mechanism, wherein the riveting mechanism comprises a C-shaped support frame and a hydraulic pump station, and the bottom end of the C-shaped support frame is provided with a limiting opening for supporting and limiting a flange; an oil cylinder is inserted into the top end of the C-shaped support frame; the bottom end of the oil cylinder is provided with a pressure head, and the oil cylinder is connected with a hydraulic pump station through an oil pipe; the riveting component is arranged on the top surface of the flange and comprises a body and a sliding pressure head, the sliding pressure head is inserted into the body and is a trapezoidal block with two isosceles cambered sides, and through holes are formed in the direction perpendicular to the upper bottom surface and the lower bottom surface of the trapezoidal block; an anti-rotation limiting pin is arranged inside the body; the anti-rotation limiting pin is inserted into the through hole of the sliding pressure head, can slide in the through hole and is used for providing guidance for the sliding pressure head; a sliding groove is formed in the body below the anti-rotation limiting pin, sliding blocks are inserted into the sliding groove at two ends of the sliding press head respectively, and the free end of each sliding block is connected with a riveting head; the inner walls of the bodies at the two ends of the arc waist surface of the sliding pressure head are rotatably connected with a lever, one end of the lever is abutted against the arc waist surface of the sliding pressure head, and the other end of the lever is abutted against the outer side of the sliding block.

Preferably, the bottom end of the sliding press head is connected with a positioning tool, a positioning cavity is formed in the positioning tool, and positioning blocks are symmetrically arranged in the positioning cavity along the diameter direction of the cavity.

Preferably, a plurality of lightening holes are formed in the supporting arm of the C-shaped supporting frame.

Preferably, the portable online riveting device further comprises a control system, and the control system is in communication connection with the oil cylinder and the hydraulic pump station.

Preferably, a proximity sensor is arranged at a limiting opening at the bottom end of the C-shaped supporting frame and is in communication connection with a control system.

Preferably, a handle button is arranged on the outer side of the supporting arm of the C-shaped supporting frame and is in communication connection with the control system, the proximity sensor, the hydraulic pump station and the oil cylinder.

Preferably, the top end of the C-shaped support frame is provided with a suspension device for suspending the C-shaped support frame.

Preferably, in the through hole of the sliding press head, a set screw is fixed above the anti-rotation limit pin, and a first pressure spring is arranged between the set screw and the anti-rotation limit pin.

Preferably, the positioning tool is respectively connected with the sliding blocks on the two sides of the positioning tool in series through screws, the sliding blocks can freely slide on the screws, and a second pressure spring is sleeved on the screws between the sliding blocks and the positioning tool.

Preferably, the bottom end of the body is connected with a protection block, and the protection block is located on one side of the slider away from the axis direction of the through hole of the sliding press head and used for avoiding damage of the riveting assembly to the flange.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a portable online riveting device sets up the support frame into C type support frame, reduces whole riveting device's space occupation volume through setting up the support frame, and then realizes this riveting device's portable design. And then the on-line automatic riveting of riveting is realized through the matched arrangement of the oil cylinder, the hydraulic pump station, the pressure head and the C-shaped support frame and the matched use of the riveting component. And through utilizing the mutual action of a lever, a sliding block, a positioning tool structure and a sliding press head of the riveting component, the force in the vertical direction of the oil cylinder is converted into the extrusion force in the horizontal direction of the rivet head, so that the riveting of the flange nut is realized. Not only ensures the stable riveting quality, but also reduces the noise of manual riveting site and the labor intensity of riveting.

The device simple structure, easy operation, it is with low costs, both solved among the prior art riveting device the space occupy-place big, the expensive problem of price, guaranteed the stability and the uniformity of riveting quality again.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a diagram of the riveting mode of the flange lock nut of the present invention.

Fig. 2 is a structural diagram of the portable online riveting device of the utility model.

Fig. 3 is a sectional view of a structural part of the portable online riveting device of the present invention.

Fig. 4 is the internal structure diagram of the portable online riveting component of the utility model.

Wherein: 1-hydraulic pump station, 2-handle button, 3-support frame, 4-suspension device, 5-oil cylinder, 6-pressure head, 7-riveting component, 8-proximity sensor, 9-output shaft, 10-flange, 11-locking nut, 71-sliding pressure head, 72-lever, 73-body, 74-connecting block, 75-sliding block, 76-screw, 77-riveting head, 78-second pressure spring, 79-positioning cavity, 710-positioning block, 711-anti-rotation limiting pin, 712-pin shaft, 713-first pressure spring, 714-set screw and 715-protective block.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings:

referring to fig. 2 and 3, the utility model provides a portable online riveting device, including hydraulic power unit 1, handle button 2, support frame 3, linkage 4, hydro-cylinder 5, pressure head 6, riveting subassembly 7 and proximity sensor 8. The supporting frame 3 is a C-shaped supporting frame with a limiting opening at the bottom end; the proximity sensor 8 is arranged at a limiting port of the support frame 3; the oil cylinder 5 is inserted at the top end of the support frame 3; the pressure head 6 is arranged at the bottom end of the oil cylinder 5, and the oil cylinder 5 is connected with the hydraulic pump station 1 through an oil pipe; the suspension device 4 is arranged at the top end of the support frame 3; the handle button 2 is arranged on the side wall of the support frame 3 and is in communication connection with the proximity sensor 8 and the oil cylinder 5.

Referring to fig. 4, the riveting assembly 7 includes a sliding press head 71, a lever 72, a body 73, a slider 75 and a positioning tool. The sliding press head 71 is inserted into the body 73, is a trapezoidal block with two isosceles arc sides, and is provided with a through hole along a direction vertical to the upper and lower bottom surfaces of the trapezoidal block; the body 73 is provided with a plurality of lightening holes, is matched and clamped through a connecting block 74, is internally provided with an anti-rotation limiting pin 711, is inserted into a through hole of the sliding pressure head 71 and can slide in the through hole to provide a guiding effect for the sliding pressure head 71; a set screw 714 for limiting the first pressure spring 713 is screwed in the through hole above the anti-rotation limiting pin 711; a sliding groove is formed in the body 73 below the anti-rotation limiting pin 711, the two sliding blocks 75 are respectively arranged in the sliding grooves at the two ends of the sliding press head 71, and the bottom end of the sliding press head is connected with a rivet head 77; the two levers 72 are respectively arranged at two sides of the sliding pressure head 71 and are rotatably connected with the inside of the body 73, one end of each lever 72 is abutted against the arc waist surface of the sliding pressure head 71, and the other end of each lever 72 is abutted against the outer side of the sliding block 75; the positioning tool is partially embedded in a groove in the lower end of the body 73, a positioning cavity 79 is formed in the positioning tool, and positioning blocks 710 are symmetrically arranged in the positioning cavity 79 along the diameter direction of the positioning cavity 79. The location frock is concatenated through screw 76 with slider 75, slider 75 can freely slide on screw 76, the cover is equipped with second pressure spring 78 on the screw 76 between slider 75 and the location frock.

In addition, the portable online riveting device further comprises a control system, and the control system is in communication connection with the hydraulic pump station 1, the handle button 2, the oil cylinder 5 and the proximity sensor 8.

In particular, the rivet head 77 is connected with the slider by a screw; the lower part of the body 73 is connected with protective blocks 715 along two sides of the sliding block 75 through screws, and the protective blocks are used for protecting the flange 10.

Referring to fig. 1 to 4, when in use, the hydraulic pump station 1 is filled with hydraulic oil, and the hydraulic pump station 1 is connected with an air source of compressed air in a workshop. The proximity sensor 8, the handle button 2 and the hydraulic pump station 1 are connected in series and then connected with electricity, and the portable online riveting device except the hydraulic pump station 1 is hooked on the suspension device 4 through the spring balancer and suspended on the tool rail above the station. The flange 10 is clamped in a limiting hole of the support frame 3, the riveting component 7 is placed on the flange 10, the positioning cavity 79 is matched and positioned with the outer edge of the locking nut 11, the positioning block 710 is clamped in a shaft end square groove of the output shaft 9 for positioning, the proximity sensor 8 is contacted with the outer side of the flange 10 and then transmits signals to the control system, the control system transmits the signals to the hydraulic pump station 1, the handle button 2 and the oil cylinder 5, the press start of the hydraulic pump station 1 and the start of the oil cylinder 5 by the handle button 2 are controlled, and then the pressure head 6 is driven to move downwards, the pressure head 6 continues to move downwards after contacting the press riveting assembly 7, the sliding pressure head 71 is stressed to move downwards, the lever 72 is forced to rotate, the sliding block 75 is pushed to move in the groove arranged in the body 73 in the opposite direction, the riveting head 77 at the bottom end of the sliding block 75 is driven to move in the opposite direction to clamp the positioning tool, and the locking nut 11 is riveted into the square groove at the shaft end of the output shaft 9. After the riveting is finished, the control system is used for controlling the retraction of the piston of the oil cylinder 5. The sliding press head 71, the lever 72 and the slider 75 of the riveting assembly 7 automatically reset under the action of the resilience force of the first compression spring 713 and the second compression spring 78.

The utility model discloses a cooperation of riveting subassembly and portable online riveting device is used, and the complete equipment is only about 25 kilograms, hoists above the station with the spring balancer and can use, and the cost only has 1/10-1/15 of prior art special plane. Both realized reducing prior art in the occupation space volume and the cost of riveting device, compare in artifical riveting and guaranteed the uniformity and the stability of riveting again, improved assembly efficiency and quality, reduced the noise and the intensity of labour of artifical riveting, had fine guide effect to other similar assembly operating modes.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A portable online riveting device is characterized by comprising a riveting mechanism and a riveting component (7) matched with the riveting mechanism, wherein the riveting mechanism comprises a C-shaped support frame (3) and a hydraulic pump station (1), and the bottom end of the C-shaped support frame (3) is provided with a limiting opening for supporting and limiting a flange (10); an oil cylinder (5) is inserted into the top end of the C-shaped support frame (3); the bottom end of the oil cylinder (5) is provided with a pressure head (6), and the oil cylinder (5) is connected with the hydraulic pump station (1) through an oil pipe; the riveting component (7) is arranged on the top surface of the flange (10) and comprises a body (73) and a sliding pressure head (71), the sliding pressure head (71) is inserted into the body (73) and is a trapezoidal block with two isosceles cambered sides, and through holes are formed in the direction perpendicular to the upper bottom surface and the lower bottom surface of the trapezoidal block; an anti-rotation limit pin (711) is arranged in the body (73); the anti-rotation limiting pin (711) is inserted into the through hole of the sliding pressure head (71), can slide in the through hole and is used for providing guidance for the sliding pressure head (71); a sliding groove is formed in the body (73) below the anti-rotation limiting pin (711), sliding blocks (75) are inserted into the sliding groove at two ends of the sliding press head (71), and the free end of each sliding block (75) is connected with a rivet head (77); the inner walls of the body (73) at the two ends of the arc waist surface of the sliding pressure head (71) are rotatably connected with a lever (72), one end of the lever (72) is abutted against the arc waist surface of the sliding pressure head (71), and the other end of the lever (72) is abutted against the outer side of the sliding block (75).

2. The portable online riveting device according to claim 1, wherein the bottom end of the sliding press head (71) is connected with a positioning tool, a positioning cavity (79) is formed in the positioning tool, and positioning blocks (710) are symmetrically arranged in the positioning cavity (79) along the diameter direction of the cavity.

3. The portable online riveting device of claim 1, wherein the supporting arm of the C-shaped supporting frame (3) is provided with a plurality of lightening holes.

4. The portable online riveting device according to claim 1, further comprising a control system, wherein the control system is in communication connection with the oil cylinder (5) and the hydraulic pump station (1).

5. The portable online riveting device according to claim 4, wherein a proximity sensor (8) is arranged at a limiting opening at the bottom end of the C-shaped support frame (3), and the proximity sensor (8) is in communication connection with a control system.

6. The portable online riveting device according to claim 5, wherein a handle button (2) is arranged on the outer side of the supporting arm of the C-shaped supporting frame (3), and the handle button (2) is in communication connection with a control system, a proximity sensor (8), a hydraulic pump station (1) and an oil cylinder (5).

7. The portable online riveting device of claim 1, wherein the top end of the C-shaped support frame (3) is provided with a suspension device (4) for suspending the C-shaped support frame (3).

8. The portable online riveting device according to claim 1, wherein a set screw (714) is fixed above the anti-rotation limit pin (711) in the through hole of the sliding press head (71), and a first pressure spring (713) is arranged between the set screw (714) and the anti-rotation limit pin (711).

9. The portable online riveting device according to claim 2, wherein the positioning tool is respectively connected with the sliding blocks (75) on the two sides of the positioning tool in series through screws (76), the sliding blocks (75) can freely slide on the screws (76), and a second pressure spring (78) is sleeved on the screws (76) between the sliding blocks (75) and the positioning tool.

10. A portable online riveting device according to any one of claims 1-9, wherein a protection block (715) is connected to the bottom end of the body (73), and the protection block (715) is positioned at one side of the slider (75) away from the axial direction of the through hole of the slider press head (71) and is used for avoiding damage to the flange (10) caused by the riveting component (7).

Images