Automatic circular ring chamfering device

Abstract

The invention provides an automatic circular ring chamfering device which comprises a main machine frame, and a first conveying belt, an outer edge chamfering assembly, a second conveying belt, a first material clamping assembly and a second material clamping assembly are arranged on the main machine frame. The second clamping assembly is used for moving the workpieces with the outer edges chamfered to the second conveying belt. The main rack is further provided with a first inner hole chamfering assembly, a turnover assembly and a second inner hole chamfering assembly. The first inner hole chamfering assembly is used for clamping a workpiece on the second conveying belt and achieving chamfering of the first end of an inner hole, the overturning assembly is used for overturning the workpiece subjected to chamfering of the first end of the inner hole on the second conveying belt, and the second inner hole chamfering assembly is used for conducting chamfering of the second end of the inner hole on the workpiece subjected to overturning on the second conveying belt. According to the automatic circular ring chamfering device, chamfering machining of the outer edge and the inner hole can be achieved on one device, the device is simplified, the cost is reduced, and the efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of chamfering of ring-shaped parts, and more specifically, to an automatic chamfering device for rings. Background Art

[0002] Magnetic steels are generally manufactured by powder metallurgy, and then ground by a grinding device after production; grinding is the most common and widely used machining method in all machining processes, and the outer surface or corner positions of most workpieces need to be ground into the desired designed shape.

[0003] In some special application fields, magnetic steels are often processed into a circular ring structure, and chamfering treatments are required at both the upper and lower ends of the outer edge and at both the upper and lower ends of the inner hole. In the prior art, multiple chamfering machines are generally used for multiple chamfering operations, and a transfer box is required for transfer between different chamfering processes. This not only occupies a large amount of space, but also wastes a large amount of manpower and material resources during the intermediate transfer process, resulting in an increase in processing costs and low processing efficiency. Summary of the Invention

[0004] To overcome at least one defect in the above prior art, the present invention provides an automatic chamfering device for rings, which can realize automatic workpiece transfer, and can perform chamfering processing on the outer edge and inner hole on one device, simplifying the processing equipment, reducing labor costs and improving work efficiency.

[0005] The technical solution adopted by the present invention is to provide an automatic chamfering device for rings: including a main frame, along the length direction of the main frame, a first conveyor belt, an outer edge chamfering component, and a second conveyor belt are sequentially arranged. On the main frame, a first clamping component and a second clamping component that can reciprocate along the length direction are also arranged. And when the first clamping component is used to clamp the workpiece at the discharge end of the first conveyor belt and move it above the outer edge chamfering component, the second clamping component is used to clamp the workpiece with chamfering completed on the outer edge chamfering component and move it to the feed end of the second conveyor belt; on the main frame, a first inner hole chamfering component, a flipping component, and a second inner hole chamfering component are sequentially connected above the second conveyor belt; the first inner hole chamfering component is used to clamp the workpiece on the second conveyor belt and perform chamfering on the first end of the inner hole, the flipping component is used to clamp the workpiece with chamfering completed on the first end of the inner hole on the second conveyor belt and turn it over, and the second inner hole chamfering component is used to clamp the workpiece with turning over completed on the second conveyor belt and perform chamfering on the second end of the inner hole.

[0006] Compared with the prior art, the automatic chamfering device for rings of the present invention has the following advantages: The circular ring automatic chamfering device of the present invention is a special chamfering mechanism for circular ring structures, which includes two independent feeding conveyor belts, an outer edge chamfering assembly, and two workpiece clamping assemblies. The two workpiece clamping assemblies are used to move the non-chamfered workpieces on the first conveyor belt to the outer edge chamfering assembly for outer edge chamfering respectively, and to continue to transfer the workpieces with the outer edge chamfering completed to the second conveyor belt. Moreover, the two workpiece clamping assemblies cooperate synchronously to achieve continuous and uninterrupted transfer of the workpieces to the next process, with a compact rhythm and fast material transfer speed. Additionally, a first inner hole chamfering assembly, a flipping assembly, and a second inner hole chamfering assembly are also provided at a position corresponding to the second conveyor belt on the main frame. During the whole process, after the workpiece is transferred to the second conveyor belt after outer edge chamfering, as the second conveyor belt runs, the workpiece moves forward. The first inner hole chamfering assembly first clamps the workpiece with the outer edge chamfering completed on the second conveyor belt to chamfer the first end of its inner hole. After chamfering, the workpiece is placed back on the second conveyor belt and continues to move forward. When it moves to the position of the flipping assembly, the flipping assembly is used to clamp the workpiece and turn its upper and lower ends over. After flipping, the workpiece is placed back on the second conveyor belt and continues to move forward. When it moves to the position of the second inner hole chamfering assembly, the second inner hole chamfering assembly clamps the workpiece on the second conveyor belt to chamfer the second end of its inner hole, and then places it back on the second conveyor belt again, so as to realize the chamfering treatment of the upper and lower ends of the workpiece inner hole. And the whole process adopts a pipeline-type uninterrupted processing procedure, with a compact rhythm, automatic chamfering, no need for manual participation, and high work efficiency.

[0007] Further, an installation bracket is provided on the main frame. A sliding plate that can slide along the length direction of the first conveyor belt is connected to the installation bracket. A connecting rod, a connecting plate, and a driving motor are also connected to the installation bracket. One end of the connecting plate is fixedly connected to the output shaft of the driving motor. The other end of the connecting plate is hinged to one end of the connecting rod. The other end of the connecting rod is hinged to one end of the sliding plate.

[0008] Still further, the outer edge chamfering assembly includes a workpiece support table and a first driving unit for driving the workpiece support table to rotate horizontally. A pressing plate that can move up and down and rotate around its own axis is provided on the first workpiece clamping assembly. An outer edge chamfering grinding wheel is also connected to the main frame, a second driving unit for driving it to rotate horizontally, and a translation driving unit for driving the outer edge chamfering grinding wheel to approach and move away from the workpiece support table. A chamfering groove is concavely provided on the outer peripheral wall of the outer edge chamfering grinding wheel. When the workpiece is positioned between the workpiece support table and the pressing plate, when the translation driving unit drives the outer edge chamfering grinding wheel to move to the chamfering position, the two side walls of the chamfering groove are respectively abutted against the outer edges of both ends of the workpiece.

[0009] As an improvement, a grinding wheel mounting seat capable of sliding back and forth is further provided on the main frame, and the grinding wheel mounting seat is connected to the driving end of the translation driving unit; a vertically arranged dovetail groove support plate is connected to the grinding wheel mounting seat, the second driving unit is connected to the sliding plate of the dovetail groove support plate, and the outer edge chamfering grinding wheel is connected to the driving end of the second driving unit.

[0010] Furthermore, the first material clamping assembly includes a first mounting seat, on which a first servo motor, a first lead screw, a first lead screw slider and a first sliding plate slidable vertically are connected. The first lead screw is drivingly connected to the first servo motor, the first lead screw slider is in screw fit with the outside of the first lead screw, and the first sliding plate is connected to the first lead screw slider; a first fixing plate is further connected to the first mounting seat below the first sliding plate, at least two first clamping jaws capable of turning up and down are hinged to the outer periphery of the first fixing plate, a first linkage plate is hinged to each of the first clamping jaws, and one end of each first linkage plate away from the first clamping jaw is respectively hinged to the outer peripheral wall of the first sliding plate; a material pressing driving cylinder is connected to the first sliding plate or the first fixing plate, a material pressing plate is connected to the piston rod of the material pressing driving cylinder, the material pressing plate is located inside each of the first clamping jaws, and the outer diameter of the material pressing plate is smaller than the outer diameter of the workpiece.

[0011] Furthermore, the second material clamping assembly includes a second mounting seat, on which a second servo motor, a second lead screw, a second lead screw slider and a second sliding plate slidable vertically are connected. The second lead screw is drivingly connected to the second servo motor, the second lead screw slider is in screw fit with the outside of the second lead screw, and the second sliding plate is connected to the second lead screw slider; a second fixing plate is further connected to the second mounting seat below the second sliding plate, at least two second clamping jaws capable of turning up and down are hinged to the outer periphery of the second fixing plate, a second linkage plate is hinged to each of the second clamping jaws, and one end of each second linkage plate away from the second clamping jaw is respectively hinged to the outer peripheral wall of the second sliding plate.

[0012] Furthermore, the first inner hole chamfering assembly and the second inner hole chamfering assembly have the same structure, and both include a first portal frame straddling above the second conveyor belt. A first lifting plate and a first lifting driving unit for driving its lifting are connected to the cross beam of the first portal frame. Two relatively arranged first clamping blocks and a first clamping driving unit for driving the two first clamping blocks to approach and separate from each other are connected to the first lifting plate; a vertical sliding seat and a second lifting driving unit for driving its lifting are further connected to the cross beam of the first portal frame. A vertical chamfering motor is connected to the vertical sliding seat, and a conical inner hole chamfering grinding head is connected to the output shaft of the chamfering motor.

[0013] Further improved, an installation plate is further connected to the first lifting plate. An avoidance through hole for the inner hole chamfering grinding head to pass through is formed in the installation plate. A dust suction hood surrounding the outer part of the inner hole chamfering grinding head is connected to the installation plate, and a dust suction pipe communicated with an external adsorption device is connected to the dust suction hood.

[0014] Furthermore, the flipping assembly includes a second gantry bracket spanning above the second conveyor belt. A third lifting drive unit for driving its lifting is connected to the cross beam of the second gantry bracket. Two relatively arranged fixed seats and a second clamping drive unit for driving the two fixed seats to approach and separate from each other are connected to the second lifting plate. Rotary drivers are connected to the opposite inner walls of the two fixed seats, and second clamping blocks are connected to the drive ends of the two rotary drivers.

[0015] Other improved features and advantages of the present invention will be described in the following specific embodiments. And, partly, they will become obvious from the description or be understood by implementing the present invention. The objectives and other advantages of the present invention can be achieved and obtained through the structures specifically pointed out in the description and the drawings. Description of the Drawings

[0016] Figure 1 It is a three-dimensional structure diagram of the circular ring automatic chamfering device of the present invention; Figure 2 It is another perspective schematic diagram of the structure part of the outer edge chamfering assembly in the present invention; Figure 3 It is a schematic structural diagram of the material transfer mechanism in the present invention; Figure 4 It is a schematic structural diagram of the inner hole chamfering assembly in the present invention; Figure 5 It is another perspective structural diagram of the inner hole chamfering assembly in the present invention; Figure 6 It is a schematic structural diagram of the flipping assembly part in the present invention.

[0017] Description of the Reference Numerals: 1. Main frame; 2. First conveyor belt; 3. Outer edge chamfering assembly; 300. Workpiece support table; 301. First driving unit; 302. Pressure plate; 303. Outer edge chamfering grinding wheel; 304. Second driving unit; 305. Translation driving unit; 306. Chamfering groove; 4. Second conveyor belt; 5. First clamping assembly; 501. First mounting seat; 502. First servo motor; 503. First lead screw; 504. First lead screw slider; 505. First sliding plate; 506. First fixing plate; 507. First clamping jaw; 508. First linkage plate; 509. Pressure driving cylinder; 6. Second clamping assembly; 601. Second mounting seat; 7. First inner hole chamfering assembly; 701. First portal bracket; 702. First lifting plate; 703. First lifting driving unit; 704. First clamping block; 705. First clamping driving unit; 706. Vertical sliding seat; 707. Second lifting driving unit; 708. Chamfering motor; 709. Inner hole chamfering grinding head; 710. Mounting plate; 8. Flipping assembly; 801. Second portal bracket; 802. Second lifting plate; 803. Third lifting driving unit; 804. Fixed seat; 805. Second clamping driving unit; 806. Rotary driver; 807. Second clamping block; 9. Second inner hole chamfering assembly; 10. Mounting bracket; 11. Slide plate; 12. Connecting rod; 13. Connecting plate; 14. Driving motor. Detailed implementation manners

[0018] First of all, those skilled in the art should understand that these implementation manners are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments according to needs to adapt to specific application scenarios.

[0019] In the description of the embodiments of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "fixed" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific situations.

[0020] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] See Figures 1 to 6As shown, the embodiment of the present application discloses an automatic chamfering device for a circular ring, comprising a main frame 1 with a rectangular structure, on which a first conveyor belt 2, an outer edge chamfering component 3, and a second conveyor belt 4 are sequentially arranged along its length direction; the main frame 1 is also provided with a first clamping component 5 and a second clamping component 6 which can reciprocate along its length direction, and the first clamping component 5 and the second clamping component 6 work in linkage with each other, that is, when the first clamping component 5 is used to clamp the workpiece at the discharge end of the first conveyor belt 2 and move it above the outer edge chamfering component 3, the second clamping component 6 is used to clamp the chamfered workpiece on the outer edge chamfering component 3 and move it to the feed end of the second conveyor belt 4; more specifically, in the above structure, when the first conveyor belt 2 conveys the first workpiece, the first The clamping component 5 clamps the workpiece and transfers it to the outer edge chamfering component 3 for outer edge chamfering at both ends. After the outer edge chamfering is completed, the first clamping component 5 is reset to the top of the discharge end of the first conveyor belt 2 to clamp the second workpiece. At the same time, the second clamping component 6 clamps the chamfered workpiece on the outer edge chamfering component 3. Then the first clamping component 5 moves the clamped second workpiece toward the position of the outer edge chamfering component 3 again. At the same time, the second clamping component 6 drives the first workpiece with completed outer edge chamfering to move to the feed end of the second conveyor belt 4. With the continuous reciprocating motion of the first clamping component 5 and the second clamping component 6, the workpieces on the first conveyor belt 2 are moved to the outer edge chamfering component 3 in turn for chamfering and transferred to the second conveyor belt 4 for the next chamfering action.

[0022] In addition, a first inner hole chamfering component 7, a flipping component 8, and a second inner hole chamfering component 9 are sequentially connected to the main frame 1 above the second conveyor belt 4. The above here is not limited to directly above the second conveyor belt 4, but can also be above its side position. Specifically, the first inner hole chamfering component 7 is used to clamp the workpiece on the second conveyor belt 4 and chamfer the first end of the inner hole. The flipping component 8 is used to clamp the workpiece with the first end of the inner hole chamfered on the second conveyor belt 4 and turn it over. The second inner hole chamfering component 9 is used to clamp the workpiece with the flipping completed on the second conveyor belt 4 and chamfer the second end of the inner hole. During the whole process, after the workpiece passes through the outer edge chamfering and is transferred to the second conveyor belt 4, as the second conveyor belt 4 runs, the workpiece moves forward. The first inner hole chamfering component 7 first clamps the workpiece on the second conveyor belt 4 to chamfer the upper end of the inner hole. After chamfering, the workpiece is placed back on the second conveyor belt 4 and continues to move forward. When it moves to the position where the flipping component 8 is located, the flipping component 8 is used to clamp the workpiece and turn it over on the upper and lower end faces. After the flipping is completed, the workpiece is placed back on the second conveyor belt 4 and continues to move forward. When it moves to the position where the second inner hole chamfering component 9 is located, the second inner hole chamfering component 9 clamps the workpiece on the second conveyor belt 4 to chamfer the upper end of the inner hole, and then places it back on the second conveyor belt 4 again, so as to realize the chamfering treatment of the upper and lower ends of the inner hole of the workpiece. And the whole process adopts a pipeline-type uninterrupted processing procedure. The workpieces with the outer edge chamfering completed will be intermittently conveyed on the second conveyor belt 4, so that the workpieces on the second conveyor belt 4 can complete the inner hole chamfering of the two end faces during the moving process. The rhythm is compact, the chamfering is automatic, no manual participation is required, and the work efficiency is high.

[0023] More specifically, referring to the attached Figure 3 , an installation bracket 10 is arranged on the main frame 1. A sliding plate 11 that can slide along the length direction of the first conveyor belt 2 is connected to the installation bracket 10. A connecting rod 12, a connecting plate 13, and a driving motor 14 are also connected to the installation bracket 10. One end of the connecting plate 13 is fixedly connected to the output shaft of the driving motor 14, the other end of the connecting plate 13 is hinged to one end of the connecting rod 12, and the other end of the connecting rod 12 is hinged to one end of the sliding plate 11. Preferably, the installation bracket 10 is a portal installation frame. Two parallel linear guide rails are connected to the cross beam of the portal installation frame, and a number of linear sliders are connected to both linear guide rails. The sliding plate 11 is connected to the number of linear sliders to achieve stable movement. In addition, the connecting plate 13 also rotates within the plane where the moving direction of the sliding plate 11 is located. Here, the connecting plate 13 plays a role similar to an eccentric wheel, that is, as the driving motor 14 runs, it drives the connecting plate 13 to rotate, and then drives the connecting rod 12 to drive the sliding plate 11 to reciprocate along the length direction of the cross beam, and finally realizes the reciprocating movement of the first material clamping component 5 and the second material clamping component 6, driving the continuously loaded workpieces to automatically and uninterruptedly flow backward on the production line.

[0024] In addition, in this embodiment, refer to the attached Figure 1 、 2 , the outer edge chamfering assembly 3 includes a workpiece support table 300 and a first driving unit 301 for driving the workpiece support table 300 to rotate horizontally. A pressure plate 302 that can move up and down and rotate around its own axis is provided on the first clamping assembly 5. When the workpiece moves from the first conveyor belt 2 to the workpiece support table 300, the pressure plate 302 moves downward and presses tightly on the upper end of the workpiece. The first driving unit 301 is used to drive the workpiece to rotate around its axis; and an outer edge chamfering grinding wheel 303, a second driving unit 304 for driving the outer edge chamfering grinding wheel 303 to rotate, and a translation driving unit 305 for driving the outer edge chamfering grinding wheel 303 to approach and move away from the workpiece support table 300 are also connected to the main frame 1 at the rear side of the workpiece support table 300; more specifically, a chamfering groove 306 is recessed on the outer peripheral wall of the outer edge chamfering grinding wheel 303. The cross-section of the chamfering groove 306 is in a trapezoidal structure, and the width of the open end is greater than the width of its bottom. Therefore, when the workpiece is positioned between the workpiece support table 300 and the pressure plate 302, when the translation driving unit 305 drives the outer edge chamfering grinding wheel 303 to move forward to the chamfering position, the two side walls of the chamfering groove 306 are respectively in contact with the outer edges of both ends of the workpiece; with the operation of the first driving unit 301 and the second driving unit 304, chamfering of the upper and lower ends of the outer edge of the workpiece is achieved simultaneously. Preferably, both the first driving unit 301 and the second driving unit 304 are servo motor groups with reducers, and the translation driving unit 305 is a dovetail groove pallet structure driven by a motor. By driving the motor, the outer edge chamfering grinding wheel 303 can be moved synchronously back and forth together with the second driving unit 304 to ensure that the chamfering groove 306 of the outer edge chamfering grinding wheel 303 is accurately aligned with the outer edge of the workpiece.

[0025] In addition, in order to further ensure that the outer edge chamfering grinding wheel 303 can be aligned with the outer edge position of the workpiece when moving, in this embodiment, a grinding wheel mounting seat 307 that can slide back and forth is further provided on the main frame 1, and the grinding wheel mounting seat 307 is connected to the driving end of the translation driving unit 305; a vertically arranged dovetail groove pallet 308 is connected to the grinding wheel mounting seat 307. The second driving unit 304 is connected to the sliding plate of the dovetail groove pallet 308, and the outer edge chamfering grinding wheel 303 is connected to the driving end of the second driving unit 304. Through the cooperation of the translation driving unit 305 and the dovetail groove pallet 308, the outer edge chamfering grinding wheel 303 can be adjusted in position back and forth and up and down.

[0026] On the other hand, refer to the attached Figure 3, the first clamping component 5 in this embodiment includes a first mounting base 501. A first servo motor 502, a first lead screw 503, a first lead screw slider 504, and a vertically slidable first sliding plate 505 are connected to the first mounting base 501. The first lead screw 503 is drivingly connected to the first servo motor 502. The first lead screw slider 504 is in screw fit with the outside of the first lead screw 503, and the first sliding plate 505 is connected to the first lead screw slider 504. A first fixing plate 506 is further connected to the first mounting base 501 below the first sliding plate 505. Specifically, the first fixing plate 506 is connected to the first mounting base 501 through multiple connecting rods that are circumferentially distributed and vertically extended, and the multiple connecting rods slidably pass through the first sliding plate 505. At least two first clamping jaws 507 that can be turned up and down are hinged to the outer periphery of the first fixing plate 506. Preferably, there are three first clamping jaws 507, which are evenly distributed circumferentially. A first linkage plate 508 is hinged to each first clamping jaw 507, and one end of each first linkage plate 508 away from the first clamping jaw 507 is respectively hinged to the outer peripheral wall of the first sliding plate 505. By the operation of the first servo motor 502, the first lead screw slider 504 drives the first sliding plate 505 to move up and down, and then drives the three first clamping jaws 507 to turn downwards to clamp the outer wall of the workpiece, or turn upwards to loosen and disengage from the outer wall of the workpiece.

[0027] In addition, a pressing drive cylinder 509 is further connected to the first sliding plate 505 in the above structure. The pressing plate 302 is connected to the piston rod of the pressing drive cylinder 509. Specifically, a bearing is connected to the lower end of the piston rod of the pressing drive cylinder 509. An installation hole is opened in the middle of the pressing plate 302, and the outer ring of the bearing is fixed in the installation hole, so as to realize the rotation of the pressing plate 302. When chamfering the outer edge of the workpiece, the pressing plate 302 is always pressed against the upper surface of the workpiece, ensuring the accuracy of the outer edge chamfering position and improving the product qualification rate. The pressing plate 302 is located inside each first clamping jaw 507, and the outer diameter of the pressing plate 302 is smaller than the outer diameter of the workpiece. When the first clamping component 5 clamps the workpiece on the first conveyor belt 2 and moves it to the workpiece support table 300, the pressing drive cylinder 509 drives the pressing plate 302 to move downwards to be pressed against the upper end surface of the workpiece. After the workpiece is positioned, the three first clamping jaws 507 are loosened, and the outer edge chamfering grinding wheel 303 approaches the workpiece to perform the chamfering operation. In some other embodiments, on the premise that there is no interference with the clamping process of each first clamping jaw 507, the pressing drive cylinder 509 can also be connected to the first fixing plate 506.

[0028] Similarly, most of the structures of the second material clamping component 6 in this embodiment are the same as those of the first material clamping component 5. The only difference is that there is no need to set a material pressing structure on the second material clamping component 6. Specifically, the second material clamping component 6 includes a second mounting seat 601. A second servo motor, a second lead screw, a second lead screw slider, and a second sliding plate that can slide vertically are connected to the second mounting seat 601. The second lead screw is drivingly connected to the second servo motor. The second lead screw slider is in screw fit with the outside of the second lead screw, and the second sliding plate is connected to the second lead screw slider. A second fixing plate is further connected to the second mounting seat 601 below the second sliding plate. Three second clamping claws that can be turned up and down are hinged to the outer periphery of the second fixing plate. A second linkage plate is hinged to each second clamping claw. One end of each second linkage plate away from the second clamping claw is respectively hinged to the outer peripheral wall of the second sliding plate. The material clamping principle of the second material clamping component 6 is the same as that of the first material clamping component 5, and will not be elaborated here.

[0029] In addition, referring to the appendix Figure 4 and 5 , in this embodiment, the first inner hole chamfering component 7 and the second inner hole chamfering component 9 have the same structure. They both include a first portal bracket 701 straddling above the second conveyor belt 4. A first lifting plate 702 and a first lifting driving unit 703 for driving its lifting are connected to the cross beam of the first portal bracket 701. Two relatively arranged first clamping blocks 704 and a first clamping driving unit 705 for driving the two first clamping blocks 704 to approach and separate from each other are connected to the first lifting plate 702. A vertical sliding seat 706 and a second lifting driving unit 707 for driving its lifting are further connected to the cross beam of the first portal bracket 701. A vertically arranged chamfering motor 708 is connected to the vertical sliding seat. A conical inner hole chamfering grinding head 709 is connected to the output shaft of the chamfering motor 708. Preferably, two groups of vertically arranged linear guide rail components are connected to the cross beam of the first portal bracket 701. The first sliding plate 505 is connected to the slider of one of the linear guide rail components. Here, the first lifting driving unit is a cylinder structure. In some other embodiments, the first lifting driving unit can also be an oil cylinder or a linear motor. Similarly, the vertical sliding seat 706 is connected to the slider of the other group of linear guide rail components.

[0030] In addition, a horizontally arranged linear guide rail is connected to the front side wall of the first lifting plate 702, and the two first clamping blocks 704 are respectively connected to the corresponding linear guide rails through sliders; the first clamping driving unit 705 is horizontally connected to the rear side wall of the first lifting plate 702, and it includes a horizontally arranged clamping motor, a lead screw, and two lead screw nuts, and the thread directions of the two lead screw nuts are opposite. The two sliders are respectively connected to the two lead screw nuts. That is, when the clamping motor drives the lead screw to rotate, the two lead screw nuts with opposite thread directions move closer to or away from each other, thereby driving the two sliders and the corresponding first clamping blocks 704 to move closer to and away from each other, realizing the functions of clamping and loosening the workpiece.

[0031] In the above structure, the first lifting driving unit 703 is used to drive the first lifting plate 702 to lift and lower, realizing the clamping of the workpiece; the second lifting driving unit 707 is used to drive the chamfering motor 708 to lift and lower, mainly realizing the adjustment of the chamfering position of the workpiece. Specifically, during material clamping, the first lifting driving unit 703 drives the first lifting plate 702 to descend to the material clamping position, and the two first clamping blocks 704 clamp the workpiece. Then, the first lifting driving unit 703 drives the first lifting plate 702 to rise to the working position, and the second lifting driving unit 707 drives the chamfering motor 708 to descend until the inner hole chamfering grinding head 709 contacts the end of the inner hole of the workpiece. As the inner hole chamfering grinding head 709 rotates, the second lifting driving unit 707 continues to drive the chamfering motor 708 to descend until the workpiece is chamfered to the required size. In this structure, since the descent of the inner hole chamfering grinding head 709 is used for the feed of the chamfering amount, the accuracy requirement is higher. Therefore, the second lifting driving unit 707 here adopts a structure form of a servo motor cooperating with a lead screw pair for driving.

[0032] On the other hand, referring to the attached Figure 4 , in this embodiment, a horizontally arranged mounting plate 710 is further connected to the first lifting plate 702. The mounting plate 710 is provided with an avoidance through hole for the inner hole chamfering grinding head 707 to pass through, and a dust suction hood (not shown in the figure) surrounding the outside of the inner hole chamfering grinding head 709 is connected to the mounting plate 710, and a dust suction pipe (not shown in the figure) communicating with an external adsorption device is connected to the dust suction hood. This structure realizes automatic dust removal during the chamfering grinding process, better improving the workshop working environment.

[0033] Referring to the attached Figure 6, the flipping assembly 8 includes a second gantry bracket 801 spanning above the second conveyor belt 4. A second lifting plate 802 is connected to the crossbeam of the second gantry bracket 801, and a third lifting drive unit 803 for driving its lifting is provided. Two oppositely arranged fixing seats 804 are connected to the second lifting plate 802, and a second clamping drive unit 805 for driving the two fixing seats 804 to approach and move away from each other is provided. Rotating drivers 806 are connected to the inner walls of the two fixing seats 804 facing each other, and second clamping blocks 807 are connected to the driving ends of the two rotating drivers 806. After the inner hole chamfering of one end of the workpiece is completed, the third lifting drive unit 803 drives the second lifting plate 802 to descend until the two second clamping blocks 807 are located outside the workpiece. The second clamping drive unit 805 is used to drive the two fixing seats 804 to approach each other and clamp the workpiece. Then, the second lifting plate 802 is lifted to a set height, and the two rotating drivers 806 operate to turn the upper and lower ends of the workpiece over. Then, the second lifting plate 802 descends again to the material clamping height, the two fixing seats 804 move away from each other, and the second clamping blocks 807 release the clamping limit on the workpiece. The workpiece continues to move forward until it is clamped by the jaws of the second material clamping assembly 6 and the inner hole chamfering of the other end is achieved. In this structure, the structure of the second clamping drive unit 805 is the same as that of the first clamping drive unit 705, which will not be elaborated here. In addition, since the second lifting plate 802 only needs to ensure that it can grasp the workpiece in this structure and there is no requirement for adjustment accuracy, the third lifting drive unit 803 can be any one of a cylinder, an oil cylinder, or an electric push cylinder.

[0034] In the description of the present application, the reference to the term "this embodiment" means that the specific features, mechanisms, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0035] The above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present application should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A circular ring automatic chamfering device, characterized in that: The invention comprises a main frame (1), wherein a first conveyor belt (2), an outer edge chamfering assembly (3), and a second conveyor belt (4) are sequentially arranged on the main frame (1) along its length direction, and a first material clamping assembly (5) and a second material clamping assembly (6) which can reciprocate along its length direction are also arranged on the main frame (1), and when the first material clamping assembly (5) is used to clamp the workpiece at the discharge end of the first conveyor belt (2) and move it above the outer edge chamfering assembly (3), the second material clamping assembly (6) is used to clamp the chamfered workpiece on the outer edge chamfering assembly (3) and move it to the discharge end of the first conveyor belt (2). The main frame (1) is also connected to a first inner hole chamfering assembly (7), a flipping assembly (8) and a second inner hole chamfering assembly (9) located above the second conveyor belt (4); the first inner hole chamfering assembly (7) is used to clamp the workpiece on the second conveyor belt (4) and chamfer the first end of the inner hole; the flipping assembly (8) is used to clamp the workpiece on the second conveyor belt (4) with the first end of the inner hole chamfered and flip it upside down; the second inner hole chamfering assembly (9) is used to clamp the workpiece on the second conveyor belt (4) with the first end of the inner hole chamfered and flip it upside down; 2. The automatic chamfering device for a circular ring according to claim 1, characterized in that: The main frame (1) is provided with a mounting bracket (10), the mounting bracket (10) is connected to a slide plate (11) capable of sliding along the length direction of the first conveyor belt (2), the mounting bracket (10) is also connected to a connecting rod (12), a connecting plate (13) and a driving motor (14), one end of the connecting plate (13) is fixedly connected to the output shaft of the driving motor (14), the other end of the connecting plate (13) is hinged to one end of the connecting rod (12), and the other end of the connecting rod (12) is hinged to one end of the slide plate (11).

3. The automatic chamfering device for a circular ring according to claim 1 or 2, characterized in that: The outer edge chamfering assembly (3) comprises a workpiece support platform (300) and a first driving unit (301) for driving the workpiece support platform (300) to rotate horizontally; the first clamping assembly (5) is provided with a pressing plate (302) that can move up and down and rotate around its own axis; the main frame (1) is also connected to an outer edge chamfering grinding wheel (303), a second driving unit (304) for driving the outer edge chamfering grinding wheel (303) to rotate horizontally, and a second driving unit (304) for driving the outer edge chamfering grinding wheel (303) to rotate horizontally. ) is moved toward and away from the workpiece support platform (300) by a translation drive unit (305), and a chamfering groove (306) is concavely arranged on the outer peripheral wall of the outer edge chamfering grinding wheel (303). When the workpiece is positioned between the workpiece support platform (300) and the pressure plate (302), the translation drive unit (305) drives the outer edge chamfering grinding wheel (303) to move to the chamfering position, and the two side walls of the chamfering groove (306) are respectively in contact with the outer edges of both ends of the workpiece.

4. The automatic chamfering device for a circular ring according to claim 3, characterized in that: The main frame (1) is also provided with a grinding wheel mounting seat (307) capable of sliding forward and backward, and the grinding wheel mounting seat (307) is connected to the driving end of the translation driving unit (305); a vertically arranged dovetail groove support plate (308) is connected to the grinding wheel mounting seat (307), the second driving unit (304) is connected to the slide plate of the dovetail groove support plate (308), and the outer edge chamfering grinding wheel (303) is connected to the driving end of the second driving unit (304).

5. The automatic chamfering device for a circular ring according to claim 3, characterized in that: The first material clamping assembly (5) comprises a first mounting seat (501), to which a first servo motor (502), a first screw rod (503), a first screw rod slider (504) and a first sliding plate (505) which can slide vertically are connected. The first screw rod (503) is drivingly connected to the first servo motor (502), the first screw rod slider (504) is screw-fitted on the outside of the first screw rod (503), and the first sliding plate (505) is connected to the first screw rod slider (504). A first fixing plate (506) is also connected to the first mounting seat (501) below the first sliding plate (505), and the first fixing plate (506) is The outer periphery of the fixed plate (506) is hinged with at least two first clamping jaws (507) that can be folded up and down, and each of the first clamping jaws (507) is hinged with a first linkage plate (508), and one end of each of the first linkage plates (508) away from the first clamping jaw (507) is hinged to the outer peripheral wall of the first sliding plate (505); the first sliding plate (505) or the first fixed plate (506) is connected to a material pressing drive cylinder (509), and the material pressing plate (302) is connected to the piston rod of the material pressing drive cylinder (509), and the material pressing plate (302) is located inside each of the first clamping jaws (507), and the outer diameter of the material pressing plate (302) is smaller than the outer diameter of the workpiece.

6. The automatic chamfering device for a circular ring according to claim 1 or 2, characterized in that: The second material clamping assembly (6) includes a second mounting seat (601), to which a second servo motor, a second screw rod, a second screw rod slider and a second sliding plate that can slide vertically are connected, the second screw rod is drivingly connected to the second servo motor, the second screw rod slider is spirally engaged on the outside of the second screw rod, and the second sliding plate is connected to the second screw rod slider; the second mounting seat (601) is also connected to a second fixed plate below the second sliding plate, the outer periphery of the second fixed plate is hinged with at least two second clamping jaws that can be folded up and down, each of the second clamping jaws is hinged with a second linkage plate, and the end of each second linkage plate away from the second clamping jaw is respectively hinged to the outer peripheral wall of the second sliding plate.

7. The automatic chamfering device for a circular ring according to claim 1, characterized in that: The first inner hole chamfering assembly (7) and the second inner hole chamfering assembly (9) have the same structure, and both include a first door-type bracket (701) spanning above the second conveyor belt (4); the first door-type bracket (701) is connected to a first lifting plate (702) and a first lifting drive unit (703) for driving the lifting thereof on a crossbeam; the first lifting plate (702) is connected to two first clamping blocks (704) arranged opposite to each other and a first clamping drive unit (705) for driving the two first clamping blocks (704) to move closer to and away from each other; the first door-type bracket (701) is also connected to a vertical slide (706) and a second lifting drive unit (707) for driving the lifting thereof on a crossbeam; the vertical slide is connected to a vertically arranged chamfering motor (708); the output shaft of the chamfering motor (708) is connected to a conical inner hole chamfering grinding head (709).

8. The circular ring chamfering mechanism according to claim 7, characterized in that: The first lifting plate (702) is also connected to a mounting plate (710), the mounting plate (710) is provided with an avoidance through hole for the inner hole chamfering grinding head (707) to pass through, and the mounting plate (710) is connected to a dust hood surrounding the outside of the inner hole chamfering grinding head (709), and the dust hood is connected to a dust suction pipe connected to an external adsorption device.

9. The automatic chamfering device for circular rings according to claim 1, 7 or 8, characterized in that: The turnover assembly (8) comprises a second door-shaped bracket (801) spanning above the second conveyor belt (4); a second lifting plate (802) and a third lifting drive unit (803) for driving the lifting of the second lifting plate (802) are connected to the crossbeam of the second door-shaped bracket (801); two oppositely arranged fixed seats (804) and a third clamping drive unit (805) for driving the two fixed seats (804) to move closer to or away from each other are connected to the second lifting plate (802); a rotation drive (806) is connected to the opposite inner walls of the two fixed seats (804); and the driving ends of the two rotation drives (806) are connected to second clamping blocks (807).

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