CN211803657U

CN211803657U - Support device for riveting

Info

Publication number: CN211803657U
Application number: CN202020013301.9U
Authority: CN
Inventors: 章登亮; 郑奎
Original assignee: Bozhon Precision Industry Technology Co Ltd
Current assignee: Bozhon Precision Industry Technology Co Ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-10-30
Anticipated expiration: 2030-01-03

Abstract

The utility model provides a support device for riveting, which comprises a jacking component body for riveting support; the jacking assembly body comprises a jacking driving device, a jacking cam, a supporting needle and a jacking guide structure; the jacking driving device is used for driving the jacking cam to rotate; the jacking guide structure is used for guiding the movement of the support needle; the jacking cam is abutted with a supporting needle, and the supporting needle is also fixedly connected with a guide moving part of the jacking guide structure; the guiding direction of the jacking guiding structure is vertical to the riveting working plane; the jacking driving device drives the jacking cam to rotate, and the jacking cam drives the supporting needle to move along the guiding direction of the jacking guiding structure, so that the supporting needle can periodically support rivets. The utility model discloses the structure is ingenious, and reasonable in design accords with riveting automated production actual demand, and the automation field of being convenient for is popularized and applied.

Description

Support device for riveting

Technical Field

The utility model belongs to the automation field, concretely relates to be used for riveted strutting arrangement.

Background

With the continuous improvement of the industrial automation degree, the manufacturing industry gradually realizes intellectualization and unmanned; in particular, the degree of mechanization of the riveting device for keyboard workpieces determines the overall production efficiency.

At present, automatic riveting equipment for keyboard workpieces mostly adopts equipment such as a squeeze riveter and the like, and due to the fact that the number of riveting holes in a keyboard is large, a riveting support structure needs to be equipped to frequently support different riveting holes for riveting in the riveting process, generally, in order to ensure the riveting yield, a riveting pressure head and a support device are relatively fixed, and the riveting positioning of the riveting holes is realized by adopting plane movement of a carrying platform.

Therefore, the supporting device is required to periodically support the bottom of the keyboard, and the existing riveting supporting device is urgently required to be improved so as to meet the actual production requirement.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a supporting device for riveting, which adopts a cam to realize the periodic supporting of the bottom of a keyboard; the utility model discloses the structure is ingenious, and reasonable in design accords with automated production actual demand, and the automation field of being convenient for is popularized and applied.

The utility model provides a support device for riveting, which comprises a jacking component body for riveting support; the jacking assembly body comprises a jacking driving device, a jacking cam, a supporting needle and a jacking guide structure; wherein,

the jacking driving device is used for driving the jacking cam to rotate;

the jacking guide structure is used for guiding the movement of the support needle;

the jacking cam is abutted with the supporting needle, and the supporting needle is also fixedly connected with a guide moving part of the jacking guide structure; the guide direction of the jacking guide structure is vertical to the riveting working plane;

the jacking driving device drives the jacking cam to rotate, and the jacking cam drives the support needle to move along the guide direction of the jacking guide structure, so that the support needle periodically supports rivets.

Preferably, the jacking assembly body further comprises a driving rotating shaft; the driving rotating shaft is connected with the jacking driving device through a coupler; the jacking cam is fixedly connected with the driving rotating shaft.

Preferably, the jacking assembly body further comprises a pressing ring and a bearing; the jacking cam, the pressing ring and the bearing are sequentially sleeved on the driving rotating shaft; the pressing ring is used for abutting against the jacking cam; the bearing is used for fixing the driving rotating shaft on the first shaft seat.

Preferably, the jacking assembly body further comprises a shaft end nut; and the shaft end nut is fixed at the end part of the driving rotating shaft and used for pressing the bearing inner ring.

Preferably, the jacking assembly body further comprises a jacking contact piece and a jacking connection base plate; the jacking contact piece is fixed on the jacking connection base plate; the jacking contact piece is used for abutting against the jacking cam; the jacking connection substrate is fixedly connected with the support pins.

Preferably, the jacking assembly body further comprises a stroke detection assembly; the stroke detection assembly is used for detecting the position of the supporting needle.

Preferably, the stroke detection component is a photoelectric sensor, and the two photoelectric sensors are respectively distributed on two sides of the supporting needle and used for detecting the limit position of the supporting needle.

Preferably, the jacking cam comprises a jacking concave edge, and the jacking concave edge is of a groove-shaped structure and is used for providing the driving force of the support needle.

Preferably, the jacking cam further comprises a hollow-out portion.

Preferably, the jacking flange comprises a first slot and a second slot; the first slot is communicated with the second slot; the first open groove is a spiral groove, and the second open groove is an arc groove.

Compared with the prior art, the beneficial effects of the utility model reside in that:

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of an overall structure of a jacking assembly body according to an embodiment of the present invention;

fig. 2 is a side view of a partial structure of a jacking assembly body according to an embodiment of the present invention;

fig. 3 is a schematic view of a partial structure of a jacking assembly body according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a jacking cam according to an embodiment of the present invention;

fig. 5 is a front view of a jacking cam in an embodiment of the present invention;

shown in the figure:

the jacking assembly comprises a jacking assembly body 400, a jacking driving device 410, a driving rotating shaft 420, a jacking cam 430, a jacking concave edge 431, a first slot 4311, a second slot 4312, a first hollowed-out part 432, a second hollowed-out part 433, a pressing ring 434, a shaft end nut 435, a bearing 436, a supporting needle 440, a jacking guide structure 450, a stroke detection assembly 460, a jacking contact member 470, a jacking connection base plate 480, a stroke baffle 481, a jacking supporting base 490, a jacking motor fixing base 491, a first jacking fixing base 492 and a first shaft base 493.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the following embodiments or technical features can be used to form a new embodiment without conflict.

A support device for riveting comprises a jacking assembly body 400 for riveting support; the jacking assembly body 400 comprises a jacking driving device 410, a jacking cam 430, a support needle 440 and a jacking guide structure 450; as shown in fig. 1 and 2, the jacking cam 430 abuts against the supporting pin 440, and the supporting pin 440 is further fixedly connected with the guide moving part of the jacking guide structure 450; the guiding direction of the jacking guide structure 450 is vertical to the riveting working plane; the jacking driving device 410 drives the jacking cam 430 to rotate, and the jacking cam 430 drives the supporting pin 440 to move along the guiding direction of the jacking guiding structure 450, so that the supporting pin 440 periodically supports rivets. In one embodiment, the supporting pin 440 is made of Polyetheretherketone (PEEK) resin, and has the advantages of excellent mechanical properties, good self-lubrication, chemical corrosion resistance, flame retardance, peeling resistance and wear resistance compared with other special engineering plastics, and is softer than a riveting carrier, so that the carrier or a workpiece is not easily scratched in the supporting and working processes.

In a preferred embodiment, as shown in fig. 1-4, the jacking assembly body 400 further comprises a jacking contact member 470, a jacking connection base plate 480; the jacking contact piece 470 is fixed on the jacking connection base plate 480; the jacking contact 470 is to abut the jacking cam 430; the jacking connection substrate 480 is fixedly connected with the support pin 440. In this embodiment, as shown in fig. 4, the jacking contact piece 470 is a screw with a cylindrical nail cap, and the jacking cam 430 is contacted by the smooth nail cap, so that power transmission is realized.

The jacking driving device 410 is used for driving the jacking cam 430 to rotate; in one embodiment, the jacking driving device 410 is a servo motor; preferably, the jacking assembly body 400 further comprises a driving rotating shaft 420; the driving rotating shaft 420 is connected with the jacking driving device 410 through a coupler; the jacking cam 430 is fixedly connected with the driving rotating shaft 420; in this embodiment, as shown in fig. 1, the servo motor is fixed on the jacking motor fixing seat 491, and as shown in fig. 2, the output shaft of the servo motor and the driving rotating shaft 420 are fixed together by a coupling, and are supported together by the first jacking fixing seat 492 and the first shaft seat 493; as shown in fig. 1, the jacking motor fixing seat 491, the first jacking fixing seat 492 and the first shaft seat 493 are fixed on the jacking support base 490 through a connection pad, and together form an integral support structure.

The jacking guide structure 450 is used for guiding the movement of the support pin 440; the jacking guide structure 450 includes, but is not limited to, a slider guide rail structure, a guide post and guide bushing structure, and a guide wheel guide rail structure, and in one embodiment, as shown in fig. 1 and 3, the jacking guide structure 450 is a slider guide rail structure; in a preferred embodiment, the jacking assembly body 400 further includes a stroke detection assembly 460; the stroke detection element 460 is used to detect the position of the support pin 440, as shown in fig. 3, the stroke detection element 460 is a photoelectric sensor, and the two photoelectric sensors are respectively distributed on two sides of the support pin 440 to detect the limit position of the support pin 440; correspondingly, the two sides of the supporting pin 440 are provided with the stroke stopping pieces 481 for stopping the optical fibers of the photoelectric sensor, the stroke stopping pieces 481 are vertically arranged, the stroke stopping pieces 481 are in a non-riveting working position in the state shown in fig. 3, and after the jacking cam 430 rotates clockwise, the supporting pin 440 vertically moves upwards to a riveting working position.

In a preferred embodiment, as shown in fig. 2 and 4, the jacking assembly body 400 further comprises a pressing ring 434 and a bearing 436; the jacking cam 430, the pressing ring 434 and the bearing 436 are sequentially sleeved on the driving rotating shaft 420; the pressing ring 434 is used for abutting against the jacking cam 430; the bearing 436 is used to fix the driving shaft 420 on the first shaft seat 493. In this embodiment, the pressing ring 434 eliminates the axial gap of the jacking cam 430, and effectively prevents the jacking cam 430 from moving axially in the rotating process, thereby improving the accuracy of the jacking process; preferably, the pressing ring 434 is made of an elastic material, and the pressing ring 434 sufficiently abuts against the end surface of the lifting cam 430 through a certain elastic deformation to eliminate the axial clearance.

In a preferred embodiment, as shown in fig. 2 and 4, the jacking assembly body 400 further comprises a stub nut 435; the shaft end nut 435 is fixed to the end of the driving shaft 420 to press the inner ring of the bearing 436. In this embodiment, the inner ring of the bearing 436 is pressed by the shaft end nut 435, and the pressure is transmitted to the pressing ring 434, so as to press the lifting cam 430, and further prevent the lifting cam 430 from moving axially during the rotation process.

In a preferred embodiment, as shown in fig. 3-5, the lifting cam 430 includes a lifting flange 431, and the lifting flange 431 has a groove-shaped structure to provide an urging force for the supporting pin 440. In this embodiment, the slot width of the jacking flange 431 is the same as the nail head diameter of the jacking contact piece 470, the jacking flange 431 limits the jacking contact piece 470 in a slot-type structure, preferably, the surface of the jacking flange 431 is subjected to wear-resisting treatment, the service life of the jacking cam 430 is prolonged, and the jacking contact piece 470 can be replaced quickly after being worn by screws which are easy to detach and replace.

In a preferred embodiment, the jacking cam 430 further comprises a hollow-out portion. As shown in fig. 4 and 5, the hollow portion includes a first hollow portion 432 and a second hollow portion 433, on one hand, the hollow portion reduces the overall weight of the jacking cam 430, on the other hand, the hollow portion is used for balancing the groove-shaped structure of the jacking concave edge 431, the rotation balance of the jacking cam 430 is damaged after the groove-shaped structure of the jacking concave edge 431 is formed, and the new rotation balance of the jacking cam 430 is achieved by arranging the first hollow portion 432 in the shape of an arc groove and the second hollow portion 433 in the shape of a circular hole.

In a preferred embodiment, the lifting flange 431 includes a first slot 4311, a second slot 4312; the first slot 4311 is in communication with the second slot 4312; the first open slot 4311 is a spiral slot, and the second open slot 4312 is an arc slot. In this embodiment, as shown in fig. 5, a radius R1 of the first slot 4311 is smaller than a radius R2, a radius R3 is a position where the first slot 4311 meets the second slot 4312, a radius R2 of the first slot 4311 is smaller than a radius R3, and a radius R3 of the second slot 4312 is equal to a radius R4. When the jacking cam 430 rotates, the jacking contact piece 470 contacts the spiral line groove, so that the supporting pin 440 is lifted stably, when the jacking contact piece 470 contacts the second slot 4312, the supporting pin 440 is not lifted in the vertical direction, at the moment, the supporting pin 440 maintains a time interval, the riveting process is completed, the control requirement of the jacking driving device 410 can be greatly reduced by the design of the second slot 4312, namely, when the jacking contact piece 470 contacts any position of the second slot 4312, the supporting pin 440 keeps the riveting supporting position stationary, on the other hand, the rotation angle of the jacking driving device 410 can be configured by combining the time intervals of all the processes, and the accurate control of the riveting process is achieved.

The utility model adopts the cam to realize the periodic support of the bottom of the keyboard; the utility model discloses the structure is ingenious, and reasonable in design accords with automated production actual demand, and the automation field of being convenient for is popularized and applied.

In the description of the present invention, it should be noted that the position or positional relationship indicated by the term "inner" is based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and is only for convenience of description and simplification of the description, but does not indicate or imply that the device or element to be referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed 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. In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the equivalent changes made to the above embodiments according to the essential technology of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A support device for riveting, comprising a jacking assembly body (400) for riveting support; the method is characterized in that: the jacking assembly body (400) comprises a jacking driving device (410), a jacking cam (430), a supporting needle (440) and a jacking guide structure (450); wherein,

the jacking driving device (410) is used for driving the jacking cam (430) to rotate;

the jacking guide structure (450) is used for guiding the movement of the support needle (440);

the jacking cam (430) is abutted with the supporting needle (440), and the supporting needle (440) is also fixedly connected with a guide moving part of the jacking guide structure (450); the guiding direction of the jacking guiding structure (450) is vertical to the riveting working plane;

the jacking driving device (410) drives the jacking cam (430) to rotate, and the jacking cam (430) drives the supporting needle (440) to move along the guiding direction of the jacking guiding structure (450), so that the supporting needle (440) periodically supports rivets.

2. A support device for riveting as defined in claim 1, wherein: the jacking assembly body (400) further comprises a driving rotating shaft (420); the driving rotating shaft (420) is connected with the jacking driving device (410) through a coupler; the jacking cam (430) is fixedly connected with the driving rotating shaft (420).

3. A support device for riveting as defined in claim 2, wherein: the jacking assembly body (400) further comprises a pressing ring (434) and a bearing (436); the jacking cam (430), the pressing ring (434) and the bearing (436) are sequentially sleeved on the driving rotating shaft (420); the pressing ring (434) is used for abutting against the jacking cam (430); the bearing (436) is used for fixing the driving rotating shaft (420) on the first shaft seat (493).

4. A support device for riveting as defined in claim 3, wherein: the jacking assembly body (400) further comprises a stub nut (435); the shaft end nut (435) is fixed at the end part of the driving rotating shaft (420) and used for pressing the inner ring of the bearing (436).

5. A support device for riveting as defined in claim 1, wherein: the jacking assembly body (400) further comprises a jacking contact element (470) and a jacking connection base plate (480); the jacking contact piece (470) is fixed on the jacking connection base plate (480); the jacking contact (470) to abut the jacking cam (430); the jacking connection substrate (480) is fixedly connected with the support pins (440).

6. A support device for riveting as defined in claim 1, wherein: the jacking assembly body (400) further comprises a stroke detection assembly (460); the stroke detection component (460) is used for detecting the position of the supporting needle (440).

7. A support means for riveting as defined in claim 6 wherein: the stroke detection assembly (460) is a photoelectric sensor, and the two photoelectric sensors are respectively distributed on two sides of the support needle (440) and used for detecting the limit position of the support needle (440).

8. A support device for riveting as defined in claim 1, wherein: the jacking cam (430) comprises a jacking concave edge (431), and the jacking concave edge (431) is of a groove-shaped structure and is used for providing the driving force of the supporting needle (440).

9. A support means for riveting as defined in claim 8 wherein: the jacking cam (430) further comprises a hollow-out part.

10. A support means for riveting as defined in claim 8 wherein: the jacking flange (431) comprises a first slot (4311) and a second slot (4312); the first slot (4311) is in communication with the second slot (4312); the first open groove (4311) is a spiral groove, and the second open groove (4312) is a circular arc groove.