Automatic centerless grinding device

Abstract

An automatic centerless grinding device comprises a machining mechanism, a feeding mechanism and a feeding and discharging mechanism. The processing mechanism comprises a supporting seat, a grinding wheel and a guide wheel; during machining, the guide wheel makes contact with the workpiece to drive the workpiece to rotate, and the grinding wheel grinds the surface of the workpiece. The feeding mechanism comprises a first feeding belt and a material disc, the material disc is used for containing workpieces, and the first feeding belt is used for conveying the material disc. The feeding and discharging mechanism is used for transferring the workpieces from the material disc to the workpiece supporting base for machining and transferring the machined workpieces from the workpiece supporting base to the material disc. Compared with the prior art, full-automatic feeding, machining and discharging can be achieved, the machining efficiency is remarkably improved, and the labor intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of centerless grinding machine, specifically relates to an automatic centerless grinding device. BACKGROUND

[0002] In the field of centerless grinding, although the traditional equipment can realize efficient grinding of cylindrical workpieces, the existing technology still has the problem of insufficient automation. The feeding and discharging links of most current centerless grinding machines still rely on manual operation, and the operator needs to frequently put the workpiece between the guide wheel and the grinding wheel, and manually take out the finished product after processing, which not only prolongs the idle time of the equipment, but also makes it difficult to improve the overall processing efficiency, and increases the labor intensity and safety risk of workers.

[0003] Therefore, based on some of the above existing technologies, the present application has been further designed and improved. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above technical problems, the utility model solves the problem through the following technical scheme.

[0005] An automatic centerless grinding device, comprising a machining mechanism, a feeding mechanism and a feeding and discharging mechanism. The machining mechanism comprises a workpiece holder, a grinding wheel and a guide wheel; the workpiece holder is used to support the workpiece and is located between the grinding wheel and the guide wheel, the guide wheel contacts the workpiece to drive the workpiece to rotate during processing, and the grinding wheel grinds the surface of the workpiece. The feeding mechanism comprises a first feeding belt and a tray, the tray is used to place the workpiece, and the first feeding belt is used to convey the tray. The feeding and discharging mechanism is used to transfer the workpiece from the tray to the workpiece holder for processing, and to transfer the finished workpiece from the workpiece holder to the tray.

[0006] Further, the feeding mechanism further comprises a feeding frame, a second feeding belt and a lifting and transferring assembly, the first feeding belt and the second feeding belt are assembled on the feeding frame in an upper and lower distribution manner. The tray is sent into the grinding device through the first feeding belt, after all the workpieces on the tray are processed, the lifting and transferring assembly transfers the tray from the area of the first feeding belt to the area where the second feeding belt is located, and the second feeding belt sends the tray out of the grinding device.

[0007] Further, the feeding frame is provided with a lifting area at the conveying end of the first feeding belt, the lifting and transferring assembly is located in the lifting area, the lifting and transferring assembly comprises a lifting cylinder and a transferring cylinder, the lifting cylinder is vertically arranged and connected with a support frame for supporting the tray, and the transferring cylinder is horizontally arranged and connected with a push plate. Before processing, the first feeding belt conveys the tray to the support frame to facilitate the feeding and discharging mechanism to carry; after all the workpieces on the tray are processed, the lifting cylinder drives the support frame to descend from the area of the first feeding belt to the area of the second feeding belt, and the transferring cylinder drives the push plate to push the tray from the support frame to the second feeding belt.

[0008] Further, the feeding rack is also provided with a baffle and two sets of symmetrically arranged positioning cylinders; the baffle is used to block the tray when the tray is transferred to the support frame; the positioning cylinders are connected with positioning plates, the positioning plates are provided with positioning columns, and the tray is provided with positioning grooves matched with the positioning columns.

[0009] Further, the feeding mechanism includes a mounting frame, the mounting frame is provided with a carrying seat through a first two-axis moving module, the carrying seat is provided with a first grabbing assembly and a second grabbing assembly through a second two-axis moving module, the first grabbing assembly is used to transfer the workpiece from the tray to the support seat, and the second grabbing assembly is used to transfer the workpiece from the support seat to the tray.

[0010] Further, the tray includes a disc body and a plurality of material receiving plates, the material receiving plates are detachably assembled on the disc body, and the material receiving plates are uniformly distributed with placing grooves for placing the workpieces.

[0011] Compared with the prior art, the application has the following beneficial technical effects:

[0012] 1. Through the setting of the feeding mechanism and the feeding mechanism, full-automatic feeding, machining and discharging can be realized, the machining efficiency is significantly improved, and the labor intensity is reduced.

[0013] 2. The double-feeding belt structure distributed on the upper and lower layers can effectively utilize the space, reduce the floor area of the equipment, and automatically complete the feeding of the to-be-machined tray and the feeding of the machined tray, cooperate with the feeding mechanism to realize seamless connection of the machining and feeding processes, reduce the equipment waiting time, and further improve the production line automation level.

[0014] 3. The cooperation of the baffle, the positioning cylinder and the positioning column can effectively prevent the tray from deviating during conveying or transferring, and ensure the position stability and repeated positioning accuracy of the tray during the transferring process.

[0015] 4. Two sets of grabbing assemblies are arranged, which greatly shortens the feeding and discharging time compared with a single grabbing assembly.

[0016] 5. By replacing the material receiving plates of different specifications (such as changing the size, shape or arrangement form of the placing grooves), the tray can be directly adapted to workpieces of different volumes, shapes or types. This design can quickly adapt to different production task requirements. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of the automatic centerless grinding device.

[0018] Figure 2 It is a top view of the automatic centerless grinding device.

[0019] Figure 3 It is a plan view of the feeding mechanism.

[0020] Figure 4 is a perspective view of the feeding mechanism at the lifting area.

[0021] Figure 5 is a perspective view of the feeding and discharging mechanism.

[0022] Figure 6 is a perspective view of the tray.

[0023] The following is a description of the reference signs:

[0024] 100, support seat; 200, grinding wheel; 300, guide wheel;

[0025] 400, feeding mechanism; 410, feeding frame; 420, first feeding belt; 430, second feeding belt; 440, lifting transfer assembly; 441, lifting cylinder; 442, transfer cylinder; 443, supporting frame; 444, push plate; 450, baffle; 460, positioning cylinder; 461, positioning plate; 462, positioning column;

[0026] 500, tray; 501, positioning groove; 510, material supporting plate; 511, placing groove;

[0027] 600, feeding and discharging mechanism; 610, mounting frame; 620, first two-axis moving module; 630, carrying seat; 640, second two-axis moving module; 650, first grabbing assembly; 660, second grabbing assembly. DETAILED DESCRIPTION

[0028] The utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0029] In the following embodiments, the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout, and the following embodiments described with reference to the drawings are exemplary and are only used to explain the utility model and cannot be understood as limiting the utility model.

[0030] In the description of the utility model, it is understood that the terms: center, longitudinal, transverse, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms: first, second and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the shown technical features. In the description of the utility model, unless otherwise explicitly specified and limited, the terms: mounting, connection, connection and the like should be understood in a broad sense, and those skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0031] Referring to Figures 1 to 6 The application discloses an automatic centerless grinding device, which comprises a machining mechanism, a feeding mechanism 400 and a loading and unloading mechanism 600. The machining mechanism comprises a workpiece supporting seat 100, a grinding wheel 200 and a guide wheel 300. The workpiece supporting seat 100 is used for supporting a workpiece and is located between the grinding wheel 200 and the guide wheel 300. During machining, the guide wheel 300 contacts the workpiece to drive the workpiece to rotate, and the grinding wheel 200 performs grinding machining on the surface of the workpiece. The feeding mechanism 400 comprises a first feeding belt 420 and a workpiece tray 500. The workpiece tray 500 is used for placing the workpiece, and the first feeding belt 420 is used for conveying the workpiece tray 500. The loading and unloading mechanism 600 is used for transferring the workpiece from the workpiece tray 500 to the workpiece supporting seat 100 for machining, and transferring the machined workpiece from the workpiece supporting seat 100 to the workpiece tray 500. Through the setting of the loading and unloading mechanism 600 and the feeding mechanism 400, the grinding device can realize automatic loading, machining and unloading, thereby significantly improving the machining efficiency and reducing the labor intensity.

[0032] To further improve the degree of automation, the feeding mechanism 400 further comprises a feeding rack 410, a second feeding belt 430 and a lifting transfer assembly 440, and the first feeding belt 420 and the second feeding belt 430 are arranged on the feeding rack 410 in an upper and lower distribution manner. The workpiece on the tray 500 is processed, and the lifting transfer assembly 440 transfers the tray 500 from the area of the first feeding belt 420 to the area where the second feeding belt 430 is located, and the second feeding belt 430 sends the tray 500 out of the grinding device. The feeding rack 410 is provided with a lifting area at the conveying end of the first feeding belt 420, and the lifting transfer assembly 440 is located in the lifting area. The lifting transfer assembly 440 comprises a lifting cylinder 441 and a transfer cylinder 442. The lifting cylinder 441 is vertically arranged and connected with a supporting frame 443 for supporting the tray 500. The transfer cylinder 442 is horizontally arranged and connected with a push plate 444. Before processing, the first feeding belt 420 conveys the tray 500 to the supporting frame 443 so that the feeding and unloading mechanism 600 can carry it; after all the workpieces on the tray 500 are processed, the lifting cylinder 441 drives the supporting frame 443 to descend from the area of the first feeding belt 420 to the area of the second feeding belt 430, and the transfer cylinder 442 drives the push plate 444 to push the tray 500 from the supporting frame 443 to the second feeding belt 430. The double feeding belt structure arranged in an upper and lower distribution manner can effectively utilize the space, reduce the floor area of the equipment, and automatically complete the feeding of the tray 500 to be processed and the feeding of the processed tray 500. In combination with the feeding and unloading mechanism 600, the processing and feeding and unloading processes can be seamlessly connected, the waiting time of the equipment is reduced, and the automation level of the production line is further improved. The feeding and unloading mechanism 600 comprises a mounting frame 610, a carrying seat 630 is assembled on the mounting frame 610 through a first two-axis moving module 620, a first grabbing assembly 650 and a second grabbing assembly 660 are assembled on the carrying seat 630 through a second two-axis moving module 640, the first grabbing assembly 650 is used for transferring the workpiece from the tray 500 to the workpiece seat 100, and the second grabbing assembly 660 is used for transferring the workpiece from the workpiece seat 100 to the tray 500. Compared with a single grabbing assembly, two sets of grabbing assemblies can greatly shorten the feeding and unloading time.

[0033] Further, the feeding rack 410 is further provided with a baffle 450 and two sets of symmetrically arranged positioning cylinders 460; the baffle 450 is used for blocking the tray 500 when the tray 500 is transferred to the supporting frame 443; the positioning cylinder 460 is connected with a positioning plate 461, the positioning plate 461 is provided with a positioning column 462, and the tray 500 is provided with a positioning groove 501 matched with the positioning column 462. The cooperation of the baffle 450, the positioning cylinder 460 and the positioning column 462 can effectively prevent the tray 500 from deviating during conveying or transferring, and ensure the positional stability and repeated positioning accuracy of the tray 500 during the transferring process.

[0034] Further, the tray 500 comprises a tray body and a plurality of material receiving plates 510 which are detachably assembled on the tray body, and each of the material receiving plates 510 is uniformly provided with a plurality of placement grooves 511 for placing workpieces. By replacing the material receiving plates 510 of different specifications (such as changing the size, shape or arrangement form of the placement grooves 511), the tray 500 can be directly adapted to workpieces of different volumes, shapes or types. This design can quickly adapt to different production task requirements.

[0035] The protection scope of the utility model includes but is not limited to the above implementation manners, and the protection scope of the utility model is subject to the claims, and any replacement, deformation, improvement of the present technology that the person skilled in the art can easily think of falls within the protection scope of the utility model.

Claims

1. An automated centerless grinding device, comprising: The machining mechanism includes a support base (100), a grinding wheel (200), and a guide wheel (300). The support base (100) is used to support the workpiece and is located between the grinding wheel (200) and the guide wheel (300). During processing, the guide wheel (300) contacts the workpiece to drive the workpiece to rotate, and the grinding wheel (200) grinds the surface of the workpiece. The feeding mechanism (400) includes a first feeding belt (420) and a tray (500), the tray (500) being used to place workpieces and the first feeding belt (420) being used to transport the tray (500). The loading and unloading mechanism (600) is used to transfer workpieces from the tray (500) to the support (100) for processing, and to transfer the processed workpieces from the support (100) to the tray (500).

2. The automated centerless grinding device according to claim 1, characterized in that, The feeding mechanism (400) also includes a feeding rack (410), a second feeding belt (430) and a lifting and transfer assembly (440), with the first feeding belt (420) and the second feeding belt (430) mounted on the feeding rack (410) in an upper and lower layer distribution; The tray (500) is fed into the grinding device via the first feed belt (420). After all the workpieces on the tray (500) have been processed, the lifting and transfer assembly (440) transfers the tray (500) from the area of ​​the first feed belt (420) to the area of ​​the second feed belt (430). The second feed belt (430) then sends the tray (500) out of the grinding device.

3. The automated centerless grinding device according to claim 2, characterized in that, The feeding rack (410) is provided with a lifting area at the end of the first feeding belt (420). The lifting and transfer assembly (440) is located in the lifting area. The lifting and transfer assembly (440) includes a lifting cylinder (441) and a transfer cylinder (442). The lifting cylinder (441) is vertically arranged and connected to a support frame (443) for supporting the material tray (500). The transfer cylinder (442) is horizontally arranged and connected to a push plate (444). Before processing, the first feeding belt (420) transports the tray (500) to the support frame (443) for handling by the loading and unloading mechanism (600); after all the workpieces on the tray (500) are processed, the lifting cylinder (441) drives the support frame (443) to descend from the area of ​​the first feeding belt (420) to the area of ​​the second feeding belt (430), and the transfer cylinder (442) drives the push plate (444) to push the tray (500) from the support frame (443) to the second feeding belt (430).

4. The automated centerless grinding device according to claim 3, characterized in that, The feeding rack (410) is also equipped with a baffle (450) and two sets of symmetrically arranged positioning cylinders (460); the baffle (450) is used to block the material tray (500) when it is transferred to the support frame (443); the positioning cylinder (460) is connected to a positioning plate (461), the positioning plate (461) is provided with a positioning post (462), and the material tray (500) is provided with a positioning groove (501) that cooperates with the positioning post (462).

5. The automated centerless grinding device according to claim 1, characterized in that, The loading and unloading mechanism (600) includes a mounting frame (610), on which a transport seat (630) is mounted via a first two-axis moving module (620), and on which a first gripping assembly (650) and a second gripping assembly (660) are mounted via a second two-axis moving module (640). The first gripping assembly (650) is used to transfer the workpiece from the tray (500) to the support seat (100), and the second gripping assembly (660) is used to transfer the workpiece from the support seat (100) to the tray (500).

6. The automated centerless grinding device according to claim 1, characterized in that, The tray (500) includes a tray body and several support plates (510). The support plates (510) are detachably mounted on the tray body. The support plates (510) have evenly distributed placement slots (511) for placing workpieces.

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