CN112610617B

CN112610617B - Riveting device

Info

Publication number: CN112610617B
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: 2023-05-23
Anticipated expiration: 2040-12-02
Also published as: CN112610617A

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 and a servo electric cylinder unit, the riveting head is arranged on the riveting frame in a sliding manner along the vertical direction, and the servo electric cylinder unit drives 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 positioned 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 race, an inner race, a cage and rolling elements for supporting the mechanical rotating body during mechanical transmission and reducing the mechanical load friction coefficient of the device during transmission. The bearing is an important basic part of various mechanical equipment, and the precision, performance, service life and reliability of the bearing play a decisive role in the precision, performance, service life and reliability of a host. 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 rolling elements are guided and kept 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, the cage generally comprises an upper cage and a lower cage, an operator generally places the rolling bodies in a receiving cavity formed by the upper cage and the lower cage after being matched, and then presses the rolling bodies and the cage between the inner ring and the outer ring, wherein the upper cage and the lower cage are fixed together through rivets. When the riveting machine is used for riveting 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 bearing can be conveyed in the riveting process, only lifting and translation actions can be performed step by step, the lifting and translation actions cannot be performed simultaneously, and the high-speed bearing processing requirement cannot be met.

In view of the above-mentioned drawbacks, the present inventors have actively studied and innovated to create a new structure of riveting device, which has more industrial utility value.

Disclosure of Invention

The invention aims to provide a riveting device which can rapidly realize riveting and transferring operations of a bearing.

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 mould 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 positioned below the riveting head, and the lower die mechanism is configured to bear a bearing.

As an preferable scheme of the riveting device, the support frame driving unit comprises a motor, a first gear box and a second gear box which are in transmission connection in sequence, wherein 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 slide horizontally, the second gear box is configured to start, and the second gear box is configured to drive the first support frame to slide up and down.

As a preferable scheme of the riveting device, the first gear box is a single-input double-output gear box, the input end of the first gear box is in transmission connection with the output end of the motor, one output end of the first gear box is connected with the second supporting frame, the other output end of the first gear box is connected with the input end of the second gear box, and the output end of the second gear box is connected with the first supporting frame.

As a preferable scheme of the riveting device, the output end of the first gear box, which is connected with the second support frame, is provided with a connecting plate, the end part of the connecting plate is provided with a first wheel shaft, and the second support frame is provided with a vertical clamping groove for clamping the first wheel shaft.

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

As a preferable scheme of the riveting device, the riveting head is provided with a riveting groove matched with the shape of the upper retainer.

As a preferable mode of the riveting device, the second supporting frame is provided with at least three groups of positioning assemblies, and the positioning assemblies 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 corresponding positioning assembly.

As a preferable scheme of the riveting device, the lower module right below the riveting head is provided with bearing grooves matched with the shape of the lower retainer and positioning holes corresponding to the positions of the rivets of the lower retainer one by one.

The beneficial effects of the invention are as follows: compared with a pneumatic stamping mode, the mode of driving the riveting head by using the servo electric cylinder unit has the advantage that the riveting speed is higher; utilize a support frame drive unit drive first support frame and second support frame simultaneous movement, realized the effect that the action of two different directions was accomplished in step for the bearing that the riveting is good rises fast and leaves the normal position and remove to next station, waits that the bearing of riveting removes the riveting position simultaneously, has improved transfer efficiency greatly.

Drawings

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

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

fig. 3 is a schematic structural diagram of a support driving unit in the riveting device according to the embodiment of the present 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-conveying 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 axle piece, 7236-wheel disc, 7237-second wheel axle piece, 730-lower die mechanism, 731-lower die piece, 7311-bearing groove, 7312-positioning hole.

Detailed Description

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, 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 some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

As shown in fig. 1 to 4, the riveting device of the present invention includes a riveting mechanism 710, a transfer mechanism 720, and a lower die mechanism 730. The riveting mechanism 710 includes a riveting frame 711, a riveting head 712 slidably disposed on the riveting frame 711 along a vertical direction, and a servo 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 as a support bearing, and 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 rivet housing 711 below the rivet head 712, the lower die mechanism 730 being configured to carry a bearing. By controlling the torque of the servo cylinder unit 713, the output rate, pressure, and corresponding speed of the servo cylinder unit 713 can be controlled. As can be seen, the riveting speed is faster by driving the riveting head 712 with the servo cylinder unit 713 than by pneumatic stamping; the first support frame 721 and the second support frame 722 are driven to move simultaneously by the support frame driving unit 723, the effect that actions in two different directions are completed synchronously is achieved, the riveted bearing is lifted off the original position rapidly and moves to the next station, the bearing to be riveted moves to the riveting position simultaneously, and the transfer efficiency is greatly improved.

Specifically, the support frame driving unit 723 includes a motor 7231, a first gear box 7232 and a second gear box 7233 in driving connection in this order, 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 slide horizontally, 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 slide up and down. In order to enable the first gear box 7232 to simultaneously drive the first support frame 721 and the second gear box 7233, the first gear box 7232 in the invention is a single-input double-output gear box, the input end of the first gear box 7232 is in transmission connection with the 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 of the first gear box 7232 is connected with the input end of the second gear box 7233. The second gear box 7233 may be a single-input single-output gear box, and the output end of the second gear box 7233 may be connected to the first support bracket 721.

For 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 7235, and the second support frame 722 is provided with a vertical clamping groove 7221 for clamping the first wheel shaft 7235; the output end of the second gear box 7233 connected with the first supporting frame 721 is provided with a wheel disc 7236, the eccentric position of the wheel disc 7236 is provided with a second wheel shaft member 7237, and the first supporting frame 721 is provided with a transverse clamping groove 7211 for clamping the second wheel shaft member 7237. When the motor 7231 is started, two output ends of the first gear box 7232 simultaneously rotate, one of the output ends drives the connecting plate 7234 to rotate, the connecting plate 7234 drives the first axle member 7235 to rotate, and when the first axle member 7235 rotates, a force in the left-right direction is applied to the vertical clamping groove 7221, and meanwhile the second support frame 722 is driven to horizontally move along the first support frame 721 while sliding along the vertical clamping groove 7221. The other output end of the first gear box 7232 drives the second gear box 7233 to rotate at the same time, 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 rotation, when the second wheel shaft 7237 rotates, the vertical force is applied to the transverse clamping groove 7211, and meanwhile the first support frame 721 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 required to drive the first support 721 and the second support 722 to move in two orthogonal directions respectively, and the two bearings on the second support 722 do not interfere with each other, so that each bearing on the second support 722 is lifted up synchronously and moved to the next station at the same time, and then descends to stay on the station.

In order to make the second support frame 722 drive the bearing of the previous station to the riveting position and drive the bearing of the riveting position to the next station in one action process, the invention is provided with at least three groups of positioning components 7212 on the second support frame 721, and the positioning components 7212 are configured to position the bearing. Of course, the lower mold mechanism 730 is provided with a plurality of lower mold pieces 731 respectively located below each positioning unit 7212, and each lower mold piece 731 can respectively support the bearings in the corresponding positioning unit 7212.

When the bearing stays at the riveting position, the riveting mechanism 710 is started, the 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 upper retainer can be fixed by the arrangement of the riveting groove 7121 when the riveting head 712 abuts against the bearing, so that the riveting precision is ensured. In addition, the lower module 731 located right below the riveting head 712 is provided with a bearing groove 7311 matching the shape of the lower retainer and a positioning hole 7312 corresponding to each rivet position of the lower retainer, the bearing groove 7311 can limit the lower retainer, and the positioning hole 7312 can further limit the rivet when the riveting head 712 rivets the rivet on the retainer, so that the riveting precision is further ensured.

In conclusion, the riveting device provided by the invention realizes 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 the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims

1. The utility model provides a riveting device which 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) 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 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, the supporting frame driving unit (723) is configured to synchronously drive the first supporting frame (721) to slide along the riveting frame (711), the second supporting frame (722) slides along the first supporting frame (721), the supporting frame driving unit (723) comprises a motor (7231), a first gear box (7232) and a second gear box (7233) which are connected in a transmission mode sequentially, 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 gear box (72722) to slide along the riveting frame (711), the second supporting frame (7233) is configured to slide along the first gear box (7233) in a double-input mode, the input end of the first gear box (7232) is in transmission connection with the output end of the motor (7231), one output end of the first gear box (7232) is connected with the second support frame (722), the other output end of the first gear box (7232) is connected with the input end of the second gear box (7233), the output end of the second gear box (7233) is connected with 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 piece (7235), the second support frame (722) is provided with a vertical clamping groove (7221) for clamping the first wheel shaft piece (7235), the output end of the second gear box (7233) is connected with a wheel disc (7236), the eccentric part of the wheel disc (7236) is provided with a second wheel shaft piece (7237), and the first support frame (721) is provided with a transverse clamping groove (7211) for clamping the second wheel shaft piece (7237).

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

2. The riveting apparatus according to claim 1, characterized in that the riveting head (712) is provided with a riveting groove (7121) matching the shape of the upper cage.

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

4. A riveting apparatus according to claim 3, characterized in that the lower mould part (731) located directly below the riveting head (712) is provided with bearing grooves (7311) matching the shape of the lower holder and positioning holes (7312) corresponding one-to-one to the rivet positions of the lower holder.