CN112610617A

CN112610617A - Riveting device

Info

Publication number: CN112610617A
Application number: CN202011401760.5A
Authority: CN
Inventors: 郁彬; 于洋; 周佳
Original assignee: Kunshan Aodelu Automation Technology Co ltd
Current assignee: Kunshan Aodelu Automation Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-04-06
Anticipated expiration: 2040-12-02
Also published as: CN112610617B

Abstract

The invention relates to the technical field of bearing processing, and discloses a riveting device which comprises a riveting mechanism, a conveying mechanism and a lower die mechanism, wherein the riveting mechanism comprises a riveting frame, a riveting head arranged on the riveting frame in a sliding manner along the vertical direction, and a servo electric cylinder unit for driving the riveting head to move up and down; the conveying mechanism is arranged below the riveting head and comprises a first support frame, a second support frame and a support frame driving unit, the first support frame is arranged on the riveting frame in a sliding mode along the vertical direction, the second support frame is connected to the top of the first support frame in a sliding mode along the horizontal direction, the second support frame is configured to support a bearing, and the support frame driving unit is configured to synchronously drive the first support frame to slide along the riveting frame and the second support frame to slide along the first support frame; the lower die mechanism is arranged on the riveting frame and located below the riveting head, and the lower die mechanism is configured to bear a bearing.

Description

Riveting device

Technical Field

The invention relates to the technical field of bearing processing, in particular to a riveting device.

Background

The bearing generally comprises an outer ring, an inner ring, a retainer and rolling bodies, and is used for supporting a mechanical rotating body in the mechanical transmission process and reducing the mechanical load friction coefficient of equipment in the transmission process. The bearing is an important basic part of various mechanical equipment, and the precision, the performance, the service life and the reliability of the bearing play a decisive role in the precision, the performance, the service life and the reliability of a host machine. The retainer is used for isolating the rolling bodies and ensuring that the rolling bodies are uniformly distributed between the inner ring and the outer ring; meanwhile, the retainer also plays a role in guiding the rolling bodies and keeping the rolling bodies in the bearing, so that the retainer plays an important role in the bearing in terms of precision, performance and the like.

In the prior art, a retainer generally includes an upper retainer and a lower retainer, and an operator generally places rolling elements in a receiving cavity formed by the upper retainer and the lower retainer in a matching manner, and then presses the rolling elements and the retainer between an inner ring and an outer ring, wherein the upper retainer and the lower retainer are fixed together by rivets. When the riveting machine rivets the bearing, the rivet of the lower retainer is riveted in the rivet hole of the upper retainer in a pneumatic mode, the response speed of the pneumatic punching mode is low, and the riveting efficiency is low; in addition, the transmission of the bearing in the riveting process can only be carried out by lifting and translation step by step, and cannot be carried out simultaneously, so that the requirement of high-speed bearing processing cannot be met.

In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a new riveting device, so that the riveting device has higher industrial utilization value.

Disclosure of Invention

The invention aims to provide a riveting device which can quickly realize the riveting and transferring operation of a bearing.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a riveting device, includes riveting mechanism, transport mechanism and lower die mechanism, wherein:

the riveting mechanism comprises a riveting frame, a riveting head arranged on the riveting frame in a sliding manner along the vertical direction and a servo electric cylinder unit for driving the riveting head to move up and down;

the conveying mechanism is arranged below the riveting head and comprises a first support frame, a second support frame and a support frame driving unit, the first support frame is arranged on the riveting frame in a sliding mode along the vertical direction, the second support frame is connected to the top of the first support frame in a sliding mode along the horizontal direction, the second support frame is configured to support a bearing, and the support frame driving unit is configured to synchronously drive the first support frame to slide along the riveting frame and the second support frame to slide along the first support frame;

the lower die mechanism is arranged on the riveting frame and located below the riveting head, and the lower die mechanism is configured to bear a bearing.

As a preferable scheme of the above riveting device, the support frame driving unit includes a motor, a first gear box and a second gear box, which are sequentially connected in a transmission manner, the motor is configured to drive the first gear box to start, the first gear box is configured to drive the second support frame to horizontally slide, the second gear box is configured to start, and the second gear box is configured to drive the first support frame to vertically slide.

As a preferable scheme of the riveting device, the first gearbox is a single-input dual-output gearbox, an input end of the first gearbox is in transmission connection with an output end of the motor, one output end of the first gearbox is connected with the second support frame, the other output end of the first gearbox is connected with an input end of the second gearbox, and an output end of the second gearbox is connected with the first support frame.

As a preferable scheme of the above riveting device, a connecting plate is arranged at an output end of the first gear box connected to the second support frame, a first wheel shaft member is arranged at an end of the connecting plate, and the second support frame is provided with a vertical clamping groove for clamping the first wheel shaft member.

As a preferable scheme of the riveting device, an output end of the second gear box connected to the first support frame is provided with a wheel disc, a second wheel shaft piece is arranged at an eccentric position of the wheel disc, and the first support frame is provided with a transverse clamping groove for clamping the second wheel shaft piece.

As a preferable mode of the above-mentioned riveting device, the riveting head is provided with a riveting groove matching with the shape of the upper holder.

As a preferable solution of the above riveting device, the second supporting frame is provided with at least three sets of positioning components, and the positioning components are configured to position the bearing; the lower die mechanism is provided with a plurality of lower die parts which are respectively positioned below the positioning assemblies one by one, and each lower die part can respectively support the bearing in the positioning assembly corresponding to the lower die part.

As a preferable scheme of the riveting device, the lower mold part located right below the riveting head is provided with a bearing groove matched with the shape of the lower holder and positioning holes corresponding to the positions of the rivets of the lower holder one by one.

The invention has the beneficial effects that: compared with a pneumatic stamping mode, the mode of driving the riveting head by utilizing the servo electric cylinder unit has higher riveting speed; the first support frame and the second support frame are driven by the support frame driving unit to move simultaneously, the effect that actions in two different directions are completed synchronously is achieved, the riveted bearing is quickly lifted away from the original position and moves to the next station, the bearing to be riveted moves to the riveting position simultaneously, and the transferring efficiency is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of a riveting device according to an embodiment of the present invention;

fig. 2 is a schematic view of an assembly structure of a first support frame and a second support frame in a riveting device according to an embodiment of the invention;

fig. 3 is a schematic structural diagram of a support frame driving unit in a riveting device according to an embodiment of the invention;

fig. 4 is a schematic structural diagram of a lower die mechanism in a riveting device according to an embodiment of the present invention.

In the figure: 710-riveting mechanism, 711-riveting frame, 712-riveting head, 7121-riveting groove, 713-servo electric cylinder unit, 720-transmission mechanism, 721-first support frame, 7211-transverse clamping groove, 7212-positioning component, 722-second support frame, 7221-vertical clamping groove, 723-support frame driving unit, 7231-motor, 7232-first gear box, 7233-second gear box, 7234-connecting plate, 7235-first wheel shaft component, 7236-wheel disc, 7237-second wheel shaft component, 730-lower die mechanism, 731-lower die component, 7311-bearing groove and 7312-positioning hole.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 4, the riveting apparatus of the present invention includes a riveting mechanism 710, a conveying mechanism 720 and a lower mold mechanism 730. The riveting mechanism 710 comprises a riveting frame 711, a riveting head 712 arranged on the riveting frame 711 in a sliding manner along the vertical direction, and a servo electric cylinder unit 713 for driving the riveting head 712 to move up and down; the conveying mechanism 720 is arranged below the riveting head 712, the conveying mechanism 720 comprises a first support frame 721, a second support frame 722 and a support frame driving unit 723, the first support frame 721 is arranged on the riveting frame 711 in a sliding manner along the vertical direction, the second support frame 722 is connected to the top of the first support frame 721 in a sliding manner along the horizontal direction, the second support frame 722 is configured to support a bearing, the support frame driving unit 723 is configured to synchronously drive the first support frame 721 to slide along the riveting frame 711 and the second support frame 722 to slide along the first support frame 721; the lower die mechanism 730 is disposed on the riveting frame 711 below the riveting head 712, and the lower die mechanism 730 is configured to carry a bearing. By controlling the torque of servo cylinder unit 713, the output rate and pressure of servo cylinder unit 713 may be controlled, with a corresponding speed. As can be seen, the riveting speed is faster in the manner of driving the riveting head 712 by using the servo electric cylinder unit 713 than in the manner of pneumatic punching; the first support frame 721 and the second support frame 722 are driven by one support frame driving unit 723 to move simultaneously, so that the effect of synchronously finishing the actions in two different directions is realized, the riveted bearing is quickly lifted away from the original position and moved to the next station, the bearing to be riveted is moved to the riveting position simultaneously, and the transfer efficiency is greatly improved.

Specifically, the supporting frame driving unit 723 comprises a motor 7231, a first gear box 7232 and a second gear box 7233 which are in transmission connection in sequence, the motor 7231 is configured to drive the first gear box 7232 to start, the first gear box 7232 is configured to drive the second supporting frame 722 to horizontally slide, the second gear box 7233 is configured to start, and the second gear box 7233 is configured to drive the first supporting frame 721 to slide up and down. In order to enable the first gear box 7232 to drive the first support frame 721 and the second gear box 7233 simultaneously, the first gear box 7232 in the present invention is a single-input dual-output gear box, an input end of the first gear box 7232 is in transmission connection with an output end of the motor 7231, one output end of the first gear box 7232 is connected with the second support frame 722, and the other output end is connected with an input end of the second gear box 7233. The second gear case 7233 may be a single-input single-output gear case, and the output end of the second gear case 7233 may be connected to the first support frame 721.

Regarding the connection mode of the first gear box 7232 and the second support frame 722 and the connection mode of the second gear box 7233 and the first support frame 721, the output end of the first gear box 7232 connected with the second support frame 722 is provided with a connecting plate 7234, the end part of the connecting plate 7234 is provided with a first wheel shaft element 7235, and the second support frame 722 is provided with a vertical clamping groove 7221 for clamping the first wheel shaft element 7235; the second gear box 7233 is connected with the output end of the first supporting frame 721 and is provided with a wheel disc 7236, the eccentric part of the wheel disc 7236 is provided with a second wheel shaft 7237, and the first supporting frame 721 is provided with a transverse clamping groove 7211 for clamping the second wheel shaft 7237. When the motor 7231 is started, the two output ends of the first gear box 7232 rotate simultaneously, one of the two output ends drives the connecting plate 7234 to rotate, the connecting plate 7234 drives the first wheel shaft 7235 to rotate, and when the first wheel shaft 7235 rotates, a force in the left-right direction is applied to the vertical clamping groove 7221, and simultaneously, the force slides along the vertical clamping groove 7221, so that the second support frame 722 is driven to horizontally move along the first support frame 721. Another output end of the first gear box 7232 simultaneously drives the second gear box 7233 to rotate, the output end of the second gear box 7233 drives the wheel disc 7236 to rotate, the second wheel shaft 7237 at the eccentric position of the wheel disc 7236 also rotates along with the second wheel shaft 7237, and when the second wheel shaft 7237 rotates, vertical force is applied to the transverse clamping groove 7211, and the transverse clamping groove 7211 slides along the transverse clamping groove 7211, so that the first support frame 721 is driven to vertically move along the riveting frame 711. It can be seen that only one motor 7231 is needed to drive the first support frame 721 and the second support frame 722 to respectively realize two orthogonal movements without mutual interference, so that the bearings on the second support frame 722 are synchronously lifted and simultaneously moved to the next station and lowered to stay at the station.

In order to enable the second supporting frame 722 to drive the bearing of the previous station to the riveting position and the bearing of the riveting position to the next station in the course of one action, at least three sets of positioning assemblies 7212 are arranged on the second supporting frame 721, and the positioning assemblies 7212 are configured to position the bearings. Of course, the lower mold mechanism 730 is provided with a plurality of lower mold parts 731, one below each positioning assembly 7212, each lower mold part 731 being capable of supporting a bearing in its corresponding positioning assembly 7212.

When the bearing stays at the riveting position, the riveting mechanism 710 is started, a riveting head 712 in the riveting mechanism 710 is provided with a riveting groove 7121 matched with the shape of the upper retainer, and the riveting groove 7121 can fix the upper retainer when the riveting head 712 presses the bearing, so that the riveting precision is ensured. The lower mold 731 located right below the riveting head 712 is provided with a bearing groove 7311 matching the shape of the lower holder and positioning holes 7312 corresponding to the rivet positions of the lower holder one by one, the lower holder can be limited by the bearing groove 7311, and the rivet can be further limited by the positioning holes 7312 when the riveting head 712 rivets the rivet on the lower holder, thereby further ensuring the riveting precision.

In conclusion, the riveting device disclosed by the invention realizes the rapid riveting and rapid transferring operation of the bearing, and greatly improves the processing efficiency.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a riveting device, its characterized in that includes riveting mechanism (710), transport mechanism (720) and lower mould mechanism (730), wherein:

the riveting mechanism (710) comprises a riveting frame (711), a riveting head (712) which is arranged on the riveting frame (711) in a sliding mode along the vertical direction, and a servo electric cylinder unit (713) which drives the riveting head (712) to move up and down;

the conveying mechanism (720) is arranged below the riveting head (712), the conveying mechanism (720) comprises a first supporting frame (721), a second supporting frame (722) and a supporting frame driving unit (723), the first supporting frame (721) is arranged on the riveting frame (711) in a sliding mode along the vertical direction, the second supporting frame (722) is connected to the top of the first supporting frame (721) in a sliding mode along the horizontal direction, the second supporting frame (722) is configured to support a bearing, and the supporting frame driving unit (723) is configured to synchronously drive the first supporting frame (721) to slide along the riveting frame (711) and the second supporting frame (722) to slide along the first supporting frame (721);

the lower die mechanism (730) is arranged on the riveting frame (711) and below the riveting head (712), and the lower die mechanism (730) is configured to carry a bearing.

2. The rivet pressing device according to claim 1, wherein the support frame driving unit (723) comprises a motor (7231), a first gear box (7232) and a second gear box (7233) which are in sequential transmission connection, the motor (7231) is configured to drive the first gear box (7232) to start, the first gear box (7232) is configured to drive the second support frame (722) to horizontally slide, the second gear box (7233) is configured to start, and the second gear box (7233) is configured to drive the first support frame (721) to vertically slide.

3. The riveting device according to claim 2, wherein the first gearbox (7232) is a single-input dual-output gearbox, the input end of the first gearbox (7232) is in transmission connection with the output end of the motor (7231), one output end of the first gearbox (7232) is connected with the second support frame (722), the other output end of the first gearbox (7232) is connected with the input end of the second gearbox (7233), and the output end of the second gearbox (7233) is connected with the first support frame (721).

4. The riveting device according to claim 3, wherein the output end of the first gear box (7232) connected with the second support frame (722) is provided with a connecting plate (7234), the end of the connecting plate (7234) is provided with a first wheel shaft piece (7235), and the second support frame (722) is provided with a vertical clamping groove (7221) for clamping the first wheel shaft piece (7235).

5. The riveting device according to claim 3, wherein the output end of the second gearbox (7233) connected with the first support frame (721) is provided with a wheel disc (7236), a second wheel shaft element (7237) is arranged at the eccentric position of the wheel disc (7236), and the first support frame (721) is provided with a transverse clamping groove (7211) for clamping the second wheel shaft element (7237).

6. Riveting device according to claim 1, characterized in that the riveting head (712) is provided with a riveting groove (7121) matching the shape of the upper holder.

7. The riveting device according to claim 1, wherein the second support frame (721) is provided with at least three sets of positioning assemblies (7212), the positioning assemblies (7212) being configured to position a bearing; the lower die mechanism (730) is provided with a plurality of lower die parts (731) which are respectively positioned below the positioning assemblies (7212) one by one, and the lower die parts (731) can respectively support bearings in the positioning assemblies (7212) corresponding to the lower die parts.

8. The riveting press device according to claim 7, wherein the lower mold part (731) right below the riveting press head (712) is provided with a bearing groove (7311) matching with the shape of the lower holder and positioning holes (7312) corresponding to the rivet positions of the lower holder one by one.