Automatic nut feeding tool

Abstract

The utility model provides an automatic feeding nut tool, and belongs to the technical field of inlay injection molding. Comprising a frame, a positioning plate is vertically arranged on the frame in a sliding mode, a plurality of mounting stations used for placing two kinds of nuts are arranged on the positioning plate, a first driving part used for driving the positioning plate to move is arranged on the frame, and a feeding device used for feeding the two kinds of nuts is arranged on the portion, on one side of the positioning plate, of the frame. The frame is further provided with a transferring device used for transferring the nuts on the feeding device to the positioning plate. According to the automatic feeding nut tool, a worker does not need to manually place a nut in a mold, and the effect of improving the production efficiency is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inlay injection moulding, especially to an automatic nut feeding tool. BACKGROUND

[0002] Inlay injection moulding is a process of putting an insert into a fixed position in a mould in advance, then closing the mould and injection moulding, and obtaining a product containing the insert in the injection moulded part.

[0003] In the production process of some parts, multiple nuts are put into the mould as inserts. The traditional inlay method is to manually install the multiple nuts on the fixed positions on the positioning plate by the workers, then put the multiple nuts into the corresponding positions in the mould through the positioning plate, and finally perform the mould closing and injection moulding. However, this manual nut installation method has the problem of low production efficiency. UTILITY MODEL CONTENT

[0004] In view of the above problems, the utility model provides an automatic nut feeding tool.

[0005] In order to achieve the above-mentioned purposes, the utility model adopts the following technical solutions:

[0006] The utility model provides an automatic nut feeding tool which is used for putting two types of nuts into a mould through the mechanical gripper on a robot, comprising a frame, a positioning plate vertically slidingly arranged on the frame, a plurality of installation stations for placing the two types of nuts arranged on the positioning plate, a first driving member arranged on the frame and used for driving the positioning plate to move, a feeding device arranged on one side of the positioning plate on the frame and used for supplying the two types of nuts, and a transfer device arranged on the frame and used for transferring the nuts on the feeding device to the positioning plate.

[0007] Further, the feeding device comprises two vibrating discs arranged on the frame at intervals, the two vibrating discs are respectively used for supplying the two types of nuts, one side of the vibrating disc is provided with a discharge port, one side of the vibrating disc close to the positioning plate is provided with a loading table, and a slide is connected between the loading table and the discharge port.

[0008] Further, the transfer device comprises two pneumatic clamps respectively used for grabbing the two types of nuts, a first mounting plate is horizontally slidingly arranged on the frame along the direction perpendicular to the length of the slide, a second mounting plate is horizontally slidingly arranged on the first mounting plate along the direction parallel to the length of the slide, a third mounting plate is vertically slidingly arranged on the second mounting plate, two fourth mounting plates parallel to each other are vertically slidingly arranged on the third mounting plate, the two pneumatic clamps are arranged on the two fourth mounting plates, respectively, a second driving member is arranged on the frame and used for driving the first mounting plate to move, a third driving member is arranged on the first mounting plate and used for driving the second mounting plate to move, a fourth driving member is arranged on the second mounting plate and used for driving the third mounting plate to move, and a fifth driving member is arranged on the third mounting plate and used for driving the fourth mounting plate to move.

[0009] Further, the positioning plate is provided with positioning columns at the plurality of installation stations, and the top of each positioning column is provided with a conical boss for plug-in cooperation with a threaded hole of a corresponding nut.

[0010] Further, the mechanical gripper is provided with a positioning rod, and the positioning plate is provided with a positioning sleeve for plug-in cooperation with the positioning rod.

[0011] The automatic nut feeding tool has the advantages that: the two kinds of nuts provided by the feeding device can be installed in the corresponding installation stations of the positioning plate one by one through the transfer device, then the first driving member drives the positioning plate to move upwards and exposes the nuts on the top of the frame, then the robot drives the mechanical gripper to move and grab the plurality of nuts on the positioning plate, and finally the plurality of nuts are placed in the corresponding positions in the mold one by one, so that the mold can be closed and injection molding can be performed, and the nuts do not need to be placed in the mold manually by workers, thereby improving the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the automatic nut feeding tool.

[0013] Figure 2 It is a schematic diagram of the internal structure of the frame of the automatic nut feeding tool.

[0014] Figure 3 It is a schematic diagram of the positioning plate structure of the automatic nut feeding tool. Figure 2 It is a partial enlarged schematic diagram of part A.

[0015] Figure 4 It is a partial enlarged schematic diagram of part B. Figure 2

[0016] Figure 5 It is a schematic diagram of the positioning plate structure of the automatic nut feeding tool.

[0017] 1, frame; 2, positioning plate; 21, installation station; 3, feeding device; 31, vibration disc; 32, loading table; 33, chute; 34, straight vibrator; 4, transfer device; 41, pneumatic clamping jaw; 42, first mounting plate; 43, second mounting plate; 44, third mounting plate; 45, fourth mounting plate; 5, positioning column; 51, conical boss; 6, positioning sleeve. DETAILED DESCRIPTION

[0018] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in combination with the drawings and specific embodiments.

[0019] The embodiment of the application discloses an automatic nut feeding tool, which refers to Figure 1 , Figure 2 ​And Figure 3 , including frame 1, the positioning plate 2 is vertically slidably arranged on the frame 1, a plurality of mounting stations 21 for placing two types of nuts are arranged on the positioning plate 2, and a first driving member for driving the positioning plate 2 to move is mounted on the frame 1. A feeding device 3 for supplying two types of nuts is mounted on the frame 1 on one side of the positioning plate 2, and a transfer device 4 for transferring the nuts on the feeding device 3 to the positioning plate 2 is further arranged on the frame 1.

[0020] The automatic nut feeding tool of the present application is mainly used for placing two types of nuts into a mold (not shown in the figure) by cooperating with a mechanical gripper on a robot. The two types of nuts provided by the feeding device 3 can be installed one by one in the corresponding mounting stations 21 on the positioning plate 2 through the transfer device 4, then the first driving member drives the positioning plate 2 to move upwards so that the nuts can be exposed on the top of the frame 1, then the mechanical gripper can be driven to move and grab the plurality of nuts on the positioning plate 2 by the robot, and finally the plurality of nuts are placed one by one and correspondingly in the corresponding positions in the mold, so that the mold can be closed and injection molding can be performed. Compared with the manual nut placing method, the automatic nut feeding tool of the present application has the effect of improving production efficiency.

[0021] Specifically, the feeding device 3 includes two vibration discs 31 arranged at intervals on the frame 1, and the two vibration discs 31 are respectively used for supplying two types of nuts. One side of the vibration disc 31 is provided with a discharge port, and the side of the vibration disc 31 close to the positioning plate 2 is provided with a loading table 32, and a slide 33 is connected between the loading table 32 and the discharge port.

[0022] In the embodiment of the present application, a spiral rising step is arranged in the vibration disc 31, during the vibration discharging process, the nut can move upwards along the step in a spiral manner, and slide out of the discharge port and move to the loading table 32 through the slide 33 for transfer by the transfer device 4. In order to facilitate the sliding of the nut on the slide 33, a straight vibrator 34 is further mounted on the slide 33.

[0023] Referring to Figure 4The transferring device 4 comprises two pneumatic clamps 41 for grabbing two kinds of nuts respectively, a first mounting plate 42 is horizontally slidably arranged on the frame 1 in a direction perpendicular to the length of the slide 33, a second mounting plate 43 is horizontally slidably arranged on the first mounting plate 42 in a direction parallel to the length of the slide 33, a third mounting plate 44 is vertically slidably arranged on the second mounting plate 43, two fourth mounting plates 45 parallel to each other are vertically slidably arranged on the third mounting plate 44, and the two pneumatic clamps 41 are arranged on the two fourth mounting plates 45 respectively. The frame 1 is provided with a second driving member for driving the first mounting plate 42 to move, the first mounting plate 42 is provided with a third driving member for driving the second mounting plate 43 to move, the second mounting plate 43 is provided with a fourth driving member for driving the third mounting plate 44 to move, and the third mounting plate 44 is provided with a fifth driving member for driving the fourth mounting plate 45 to move.

[0024] In the embodiment of the present application, the first driving member, the second driving member, the third driving member and the fourth driving member can all adopt a linear transmission structure in which a motor drives a screw rod to rotate. Specifically, the frame 1, the first mounting plate 42 and the second mounting plate 43 are all provided with mounting frames, a screw rod is rotatably arranged in each mounting frame, a screw nut is threadedly connected to the screw rod, and the positioning plate 2, the first mounting plate 42, the second mounting plate 43 and the third mounting plate 44 are all connected to the corresponding screw nut. A motor is correspondingly mounted on the mounting frame and is in transmission connection with the corresponding screw rod. The fifth driving member can adopt a pneumatic cylinder, the cylinder body of the pneumatic cylinder is arranged on the third mounting plate 44, the piston rod of the pneumatic cylinder vertically faces downward, and the piston rod is boltedly connected with the fourth mounting plate 45.

[0025] With reference to Figure 5 In order to facilitate the installation of the nuts on the positioning plate 2, the positioning plate 2 is provided with positioning columns 5 at the plurality of mounting stations 21, and the top of each positioning column 5 is provided with a conical boss 51 for plug-in cooperation with the threaded hole of the corresponding nut.

[0026] In order to improve the accuracy of the mechanical gripper when grabbing the nuts, a positioning rod is arranged on the mechanical gripper, and a positioning sleeve 6 for plug-in cooperation with the positioning rod is arranged on the positioning plate 2.

[0027] The implementation principle of the automatic nut feeding tooling of the embodiment of the present application is that the two kinds of nuts provided by the feeding device 3 can be installed in the corresponding mounting stations 21 on the positioning plate 2 through the transferring device 4, then the first driving member drives the positioning plate 2 to move upward so that the nuts can be exposed on the top of the frame 1, then the mechanical gripper can be driven to move and grab the plurality of nuts on the positioning plate 2 through the robot, and finally the plurality of nuts are correspondingly arranged in the corresponding positions in the mold, and the mold can be closed and injection molded. The automatic nut feeding tooling of the present application does not need workers to manually arrange the nuts in the mold, and has the effect of improving the production efficiency.

[0028] Those skilled in the art will appreciate that although a preferred embodiment of the present application has been described, those skilled in the art will be able to devise alterations and modifications of the preferred embodiment without departing from the spirit and scope of the present application. Accordingly, it is intended that the appended claims be interpreted as including all such alterations and modifications as fall within the true spirit and scope of the present application. It is apparent that those skilled in the art can, without departing from the spirit and scope of the present application, make various changes and modifications of the present application. Thus, it is intended that the present application cover all such changes and modifications that fall within the scope of the present application, together with all such changes and modifications as are within the scope of the claims below and their equivalents.

Claims

1. An automatic nut feeding tooling for placing two sizes of nuts into a mold with a mechanical gripper on a robot, characterized by: The utility model provides a kind of nut positioning device, including frame (1), the positioning plate (2) is vertically slidably arranged on the frame (1), the positioning plate (2) is equipped with multiple installation stations (21) for placing two kinds of nuts, the first driving element for driving the positioning plate (2) to move is equipped on the frame (1), the feeding device (3) for feeding two kinds of nuts is equipped on the frame (1) on the side of positioning plate (2), the transfer device (4) for transferring the nut on feeding device (3) to positioning plate (2) is further equipped on the frame (1).

2. The automatic nut feeding tooling of claim 1, wherein: The feeding device (3) includes two vibration discs (31) spaced apart on the frame (1), two vibration discs (31) are used to feed two kinds of nuts respectively, one side of the vibration disc (31) is provided with a discharge port, the side of the vibration disc (31) close to the positioning plate (2) is provided with a loading table (32), the loading table (32) and the discharge port are connected with a slide (33).

3. The automatic nut feeding tooling of claim 2, wherein: The transfer device (4) includes two pneumatic clamps (41) for grabbing two kinds of nuts respectively, the first mounting plate (42) is horizontally slidably arranged on the frame (1) in the direction perpendicular to the length of the slide (33), the second mounting plate (43) is horizontally slidably arranged on the first mounting plate (42) in the direction parallel to the length of the slide (33), the third mounting plate (44) is vertically slidably arranged on the second mounting plate (43), two fourth mounting plates (45) are vertically slidably arranged on the third mounting plate (44), two pneumatic clamps (41) are arranged on two fourth mounting plates (45) respectively, the second driving element for driving the first mounting plate (42) to move is equipped on the frame (1), the third driving element for driving the second mounting plate (43) to move is equipped on the first mounting plate (42), the fourth driving element for driving the third mounting plate (44) to move is equipped on the second mounting plate (43), the fifth driving element for driving the fourth mounting plate (45) to move is equipped on the third mounting plate (44).

4. The automatic nut feeding tooling of claim 3, wherein: The positioning column (5) is arranged at multiple installation stations (21) on the positioning plate (2), and the top of the positioning column (5) is provided with a tapered boss (51) for plug-in cooperation with the threaded hole of the corresponding nut.

5. The automatic nut feeding tooling of claim 1, wherein: The positioning rod is arranged on the mechanical gripper, and the positioning sleeve (6) for plug-in cooperation with the positioning rod is arranged on the positioning plate (2).

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