Fork tooth feeding mechanism

Abstract

The utility model provides a fork tooth feeding mechanism which solves the problems that an existing fork tooth feeding mechanism is inaccurate in positioning and low in machining efficiency. Comprising a conveying track; the conveying rail is connected with a plurality of lifting assemblies in the vertical direction, and the output ends of the lifting assemblies are connected with sliding rail assemblies; the sliding rail assembly is connected with a telescopic assembly in the horizontal direction, the sliding rail assembly is slidably connected with a fork tooth assembly, and the output end of the telescopic assembly is connected with the fork tooth assembly. A through groove allowing the fork tooth assembly to penetrate through is formed in the conveying rail. The automatic feeding device is widely applied to the technical field of automatic feeding equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automatic feeding equipment, and more particularly to a fork feeding mechanism. BACKGROUND

[0002] The carbon brush is a kind of sliding contact, which is widely used in automobiles and many electrical equipment. After being pressed into shape, the carbon brush needs to be further processed due to the application requirements of multiple specifications.

[0003] At present, the carbon brush is generally conveyed by a track during processing, so that the carbon brushes move side by side and are processed in turn. However, this method has the following problems in actual production process: 1. Poor workpiece positioning. Due to the limitation of the track conveying method, it is difficult to accurately position the carbon brush. This may cause processing deviation and affect product quality. 2. It is difficult to clean the material. Since the carbon brushes move side by side on the track, once the machine fails, the carbon brushes will be stacked, which makes the cleaning work complex, time-consuming and laborious, and affects the production efficiency. In the cleaning process, improper operation may also cause secondary damage to the equipment. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above-mentioned problems, the utility model adopts the technical scheme: providing a fork feeding mechanism, which solves the problems of inaccurate positioning and low processing efficiency of the existing fork feeding mechanism. The utility model comprises a conveying track; a plurality of lifting assemblies are connected to the conveying track along the vertical direction, the output end of the lifting assembly is connected to a slide rail assembly; the slide rail assembly is connected to an extension assembly along the horizontal direction, the slide rail assembly is slidingly connected to a fork assembly, and the output end of the extension assembly is connected to the fork assembly; a through slot is arranged on the conveying track for the fork assembly to pass through.

[0005] Preferably, the fork assembly comprises a horizontally arranged fork connecting frame and a plurality of forks, and the plurality of forks are uniformly arranged on the fork connecting frame.

[0006] Preferably, the lifting assembly comprises a first air cylinder and a first air cylinder fixing plate, the first air cylinder is installed on the conveying track through the first air cylinder fixing plate, and the output end of the first air cylinder drives the slide rail assembly to ascend or descend along the vertical direction.

[0007] Preferably, the number of lifting assemblies is two, and the two lifting assemblies are symmetrically arranged at the two ends of the conveying track.

[0008] Preferably, the extension assembly comprises a second air cylinder, a second air cylinder fixing plate and a second air cylinder connecting plate, the second air cylinder is installed on the slide rail assembly through the second air cylinder fixing plate, the output end of the second air cylinder is connected to the second air cylinder connecting plate, the second air cylinder connecting plate is connected to the fork assembly, and the output end of the second air cylinder drives the fork assembly to move along the horizontal direction.

[0009] Preferably, the conveying track is provided with electrode points, and the electrode points are electrically connected with the control assembly.

[0010] Preferably, the control assembly is electrically connected with the lifting assembly and the telescopic assembly.

[0011] Preferably, one end of the conveying track is provided with a feeding track, and the other end is provided with a discharging groove.

[0012] The utility model discloses the beneficial effect is: through the collaborative cooperation of lifting assembly and telescopic assembly, fork tooth subassembly completes work piece taking material, feeding etc. Operation, and different work pieces are accurately sent to different work stations, solve the traditional processing mode work piece positioning difference, and the problem of inaccurate positioning, avoid the processing failure caused by positioning deviation, improve the processing precision and processing quality. Feeding mechanism simple structure transports work piece through fork tooth subassembly, can effectively control the work piece quantity of single transportation, avoids work piece accumulation, and when replacing material batch, it is convenient to clean, guarantees production continuity. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiment of the present application, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the present application, for ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the overhead schematic diagram of the utility model;

[0016] Figure 3 It is Figure 2 It is the sectional view of initial state in A of the middle;

[0017] Figure 4 It is Figure 2 It is the sectional view of taking material state in A of the middle;

[0018] Figure 5 It is Figure 2 It is the sectional view of feeding state in A of the middle;

[0019] Figure 6 It is Figure 2 It is the sectional view of the middle A when waiting to return to the horizontal direction original point.

[0020] The figure symbol explanation: 1. conveying track;2. feeding track;3. workpiece;4. fork connecting frame;5. fork;6. slide rail fixed plate;7. slide rail;8. fork fixed plate;9. first air cylinder;10. first air cylinder fixed plate;11. second air cylinder;12. second air cylinder fixed plate;13. second air cylinder connecting plate;14. electrode point;15. discharge slot. DETAILED DESCRIPTION

[0021] In order to make the technical problems to be solved in the present application, technical solutions and beneficial effects clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0022] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" 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 present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0023] It should be noted that the terms "first", "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0024] Now a fork feeding mechanism provided by the embodiment of the present application will be described.

[0025] Please refer to Figure 1 , the structure schematic view of the utility model, the fork feeding mechanism, including conveying track 1;Conveying track 1 is connected with multiple groups of lifting assemblies along the vertical direction, and the output end of the lifting assembly is connected with slide rail assembly;Slide rail assembly is connected with telescopic assembly along the horizontal direction, and slide rail assembly is slidably connected with fork assembly, and the output end of telescopic assembly is connected with fork assembly;Conveying track 1 is provided with through slot for the fork assembly to pass through.

[0026] Please refer to Figures 2 to 6Specifically, the workpiece 3 to be processed is transmitted to the material origin through the conveying track 1, at this time the lifting assembly is started, the driving slide rail assembly is driven to rise in the vertical direction, and the fork tooth assembly rises with the slide rail assembly; when rising to the specified height, the fork tooth assembly passes through the through slot of the conveying track 1 and is matched with the bottom of the workpiece 3 to be clamped, thereby completing the grabbing and positioning of the workpiece 3; then the telescopic assembly is started, the fork tooth assembly is driven to slide along the slide rail assembly, and the fork tooth assembly conveys the workpiece 3 to the next work station for processing. After the workpiece 3 reaches the next work station, the lifting assembly is started again, the slide rail assembly is driven to move downward in the vertical direction, and the fork tooth assembly moves downward together and is separated from the workpiece 3 until the fork tooth assembly returns to the original position in the vertical direction; then the telescopic assembly is started again, the fork tooth assembly is driven to slide along the slide rail assembly until the fork tooth assembly returns to the original position in the horizontal direction, thereby completing a complete feeding and waiting for the next feeding.

[0027] Further, the fork tooth assembly comprises a horizontally arranged fork tooth connecting frame 4 and a plurality of fork tooth groups 5, and the plurality of fork tooth groups 5 are uniformly arranged on the fork tooth connecting frame 4. Specifically, the plurality of fork tooth groups 5 correspond to different processing stations respectively, each fork tooth group 5 can clamp one workpiece 3, and the plurality of fork tooth groups 5 can clamp multiple workpieces 3; the fork tooth assembly can clamp multiple different workpieces 3 at one time through the plurality of fork tooth groups 5, and simultaneously convey the multiple different workpieces 3 to the next work station respectively for processing, which greatly reduces the feeding time. Compared with the traditional parallel movement of workpieces 3 and the sequential processing, the plurality of fork tooth groups 5 correspond to different processing stations, so that the conveying process of multiple workpieces 3 can be carried out in parallel, the continuity of the entire processing flow is high, the workpieces 3 do not need to wait between stations, the circulation is more smooth, the processing cycle is shortened, the processing efficiency of the workpieces 3 is improved, and the demand of large-scale production is met.

[0028] In the embodiment, the slide rail assembly comprises a horizontally arranged slide rail fixed plate 6 and a slide rail 7 arranged on the slide rail fixed plate 6, the slide rail fixed plate 6 is connected with the output end of the lifting assembly, and the slide rail 7 is slidably connected with the fork tooth assembly.

[0029] In the embodiment, two fork tooth fixed plates 8 are further arranged on the fork tooth connecting frame 4, the fork tooth fixed plates 8 are slidably connected with the slide rail 7, and drive the fork tooth connecting frame 4 and the fork tooth 5 to slide horizontally along the slide rail 7.

[0030] Further, the lifting assembly comprises a first air cylinder 9 and a first air cylinder fixed plate 10, the first air cylinder 9 is installed on the conveying track 1 through the first air cylinder fixed plate 10, and the output end of the first air cylinder 9 drives the slide rail assembly to rise and fall in the vertical direction; specifically, the output end of the first air cylinder 9 is connected with the slide rail fixed plate 6.

[0031] In the embodiment, the number of lifting assemblies is two, and the two lifting assemblies are symmetrically arranged at the two ends of the conveying track 1, so as to ensure the stable rising of the slide rail assembly and avoid shaking.

[0032] Further, the telescopic assembly comprises a second cylinder 11, a second cylinder fixing plate 12 and a second cylinder connecting plate 13, the second cylinder 11 is installed on the slide rail assembly through the second cylinder fixing plate 12, the output end of the second cylinder 11 is connected with the second cylinder connecting plate 13, the second cylinder connecting plate 13 is connected with the fork assembly, and the output end of the second cylinder 11 drives the fork assembly to move in the horizontal direction. Specifically, the output end of the second cylinder 11 drives the second cylinder connecting plate 13 to move horizontally, and then drives the fork assembly to move horizontally along the slide rail 7.

[0033] Further, the conveying track 1 is provided with an electrode point 14, and the electrode point 14 is electrically connected with the control assembly. The electrode point 14 is arranged at a material original point, and the workpiece 3 triggers the electrode point 14 when the workpiece 3 is conveyed to the material original point.

[0034] Further, the control assembly is electrically connected with the lifting assembly and the telescopic assembly. When the workpiece 3 triggers the electrode point 14, the electrode point 14 transmits a signal to the control assembly, and the control assembly controls the lifting assembly and the telescopic assembly to operate respectively, so that the workpiece 3 is clamped and fed.

[0035] Further, one end of the conveying track 1 is provided with a feeding track 2, and the other end is provided with a discharging chute 15. The workpiece 3 enters the conveying track 1 one by one through the feeding track 2, is conveyed to the material original point, is grabbed by the fork assembly and is conveyed to the next work station for machining, and when the workpiece 3 completes machining in multiple processes, the workpiece 3 is discharged through the discharging chute 15.

[0036] The working process of the utility model is as follows: the workpiece 3 to be machined is transmitted to a material original point through the conveying track 1, triggers the electrode point 14, the electrode point 14 sends a signal, the control assembly controls the lifting assembly to start, the first cylinder 9 drives the slide rail assembly to ascend in the vertical direction, and the fork assembly ascends together. When ascending to a specified height, the fork 5 passes through the through slot of the conveying track 1, cooperates with the bottom of the workpiece 3 and clamps the workpiece 3, so that the workpiece 3 is grabbed and positioned. At this time, the telescopic assembly starts, the second cylinder 11 drives the fork assembly to slide along the slide rail 7, and the fork assembly conveys the workpiece 3 to the next work station for machining. When the workpiece 3 reaches the next work station, the lifting assembly starts again, the first cylinder 9 drives the slide rail assembly to move downward in the vertical direction, the fork assembly moves downward together, the fork 5 is separated from the workpiece 3, and the fork assembly returns to the original point in the vertical direction. Then the telescopic assembly starts again, the second cylinder 11 drives the fork assembly to slide along the slide rail 7, until the fork assembly returns to the original point in the horizontal direction, and the feeding is completed.

[0037] In the utility model, through the cooperation of lifting assembly and telescopic assembly, fork tooth assembly completes workpiece 3 taking, feeding and other operations, different workpieces 3 are accurately sent to different stations, the problem of poor positioning and inaccurate positioning of workpieces 3 in traditional machining mode is solved, machining failure caused by positioning deviation is avoided, and machining precision and machining quality are improved. The feeding mechanism is simple in structure, workpieces 3 are transported through the fork tooth assembly, the number of workpieces 3 transported at a time can be effectively controlled, workpiece 3 accumulation is avoided, the material batch is replaced conveniently, production continuity is ensured. The fork tooth assembly can clamp multiple different workpieces 3 at a time through multiple groups of fork teeth 5, and multiple different workpieces 3 are simultaneously and respectively transported to the next station for machining, feeding time and frequency are reduced, the continuity degree of the whole machining process is high, workpieces 3 do not need to wait between stations, circulation is smoother, the machining cycle is shortened, the machining efficiency of workpieces 3 is improved, and the demand of large-scale production is met.

[0038] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A tine feed mechanism comprising a delivery track; characterised in that: The conveying track is connected with multiple groups of lifting assemblies in the vertical direction, the output end of the lifting assembly is connected with a slide rail assembly; the slide rail assembly is connected with a telescopic assembly in the horizontal direction, the slide rail assembly is slidingly connected with a fork tooth assembly, the output end of the telescopic assembly is connected with the fork tooth assembly; the conveying track is provided with a through slot for the fork tooth assembly to pass through.

2. A tine feed mechanism as claimed in claim 1, characterised in that: The fork tooth assembly comprises horizontally arranged fork tooth connecting frames and multiple groups of fork teeth, and the multiple groups of fork teeth are uniformly arranged on the fork tooth connecting frames.

3. A tine feed mechanism as claimed in claim 1, wherein: The lifting assembly comprises a first air cylinder and a first air cylinder fixing plate, the first air cylinder is installed on the conveying track through the first air cylinder fixing plate, and the output end of the first air cylinder drives the slide rail assembly to ascend and descend in the vertical direction.

4. A tine feed mechanism as claimed in claim 1, wherein: The number of the lifting assemblies is two, and the two lifting assemblies are symmetrically arranged at the two ends of the conveying track.

5. A tine feed mechanism as claimed in claim 1, wherein: The telescopic assembly comprises a second air cylinder, a second air cylinder fixing plate and a second air cylinder connecting plate, the second air cylinder is installed on the slide rail assembly through the second air cylinder fixing plate, the output end of the second air cylinder is connected with the second air cylinder connecting plate, the second air cylinder connecting plate is connected with the fork tooth assembly, and the output end of the second air cylinder drives the fork tooth assembly to move in the horizontal direction.

6. A tine feed mechanism as claimed in claim 1, wherein: The conveying track is provided with an electrode point, and the electrode point is electrically connected with a control assembly.

7. A tine feed mechanism as claimed in claim 6, wherein: The control assembly is electrically connected with the lifting assembly and the telescopic assembly.

8. A tine feed mechanism as claimed in any one of claims 1 to 7, wherein: One end of the conveying track is provided with a feeding track, and the other end is provided with a discharging chute.

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