Double swing arm weighing machine

Abstract

The present invention relates to a double swing arm weighing machine, comprising a material incoming device, a swing device, a plurality of weighing modules, a feeding device and a platform plate, wherein the material incoming device, the swing device, the weighing module and the feeding device are mounted on the platform plate, and the swing device comprises two sets of swing arm mechanisms arranged in an upper and lower mirror image, and the swing arm mechanism comprises a motor, a first gear, two second gears, two transmission shafts, four swing cams and two swing arms. The double swing arm weighing machine of the present invention adopts a double swing arm mechanism, and can weigh up to 1100 batteries per minute, while achieving a substantial increase in production speed and accurate weighing data.

Description

Technical Field

[0001] The invention relates to the field of battery weighing, in particular to a double-swing arm weighing machine. Background Art

[0002] For a long time, alkaline batteries have needed to be quality controlled, and the most intuitive aspect of battery quality is the weight of the battery. Weighing machines play a very important role in quality inspection equipment on the assembly line. Existing weighing machines use a single swing arm to transfer the battery for weighing and then flow the battery into the next process. The disadvantage is that the main production line needs to swing the arm too fast due to production speed requirements, and the weighing time is short, resulting in inaccurate weighing readings. Summary of the invention

[0003] In order to overcome the shortcomings of the prior art, the present invention designs a double-swing arm weighing machine, which can achieve the purpose of greatly improving the battery production speed and accurately reading the weighing reading.

[0004] The present invention provides a double-swing arm weighing machine, comprising a material incoming device, a swing device, a plurality of weighing modules, a feeding device and a platform plate, wherein the material incoming device, the swing device, the weighing module and the feeding device are installed on the platform plate, the swing device comprises two groups of swing arm mechanisms arranged in upper and lower mirror images, the swing arm mechanisms comprise a motor, a first gear, two second gears, two transmission shafts, four swing cams and two swing arms, the first gear is connected to the output end of the motor, the two second gears are meshed with the first gear and are respectively located on both sides of the first gear, the two transmission shafts are respectively connected to the two second gears; the four swing cams are respectively located at the two ends of the two transmission shafts; the swing arm is fixed between the two swing cams; the swing arm comprises a movable frame, a cross beam plate, a magnetic steel and a cylinder, the two ends of the cross beam plate are connected to the two swing cams, the movable frame is arranged above the cross beam plate; the magnetic steel is fixedly arranged under the movable frame; the cylinder is arranged between the movable frame and the cross beam plate, and the movable frame can move vertically relative to the cross beam plate under the action of the cylinder.

[0005] Preferably, the longitudinal section of the movable frame is in the shape of a comb, and raised portions are protruding from both ends of the movable frame. The cylinder is fixed to the top of the crossbeam plate and the output end of the cylinder acts on the raised portion. The movable frame has convex strips with equal gaps, and the magnetic steel is embedded in the bottom of the convex strips.

[0006] Preferably, the cross beam plate is provided with through holes at equal intervals corresponding to the movable frame, and the movable frame is plugged into the cross beam plate.

[0007] Preferably, an adsorption strip is fixed under the cross beam plate, the adsorption strip is provided with a blind hole corresponding to the movable frame, and the adsorption strip is provided with a suction groove corresponding to the magnetic steel.

[0008] Preferably, the incoming material device is a conveyor belt.

[0009] Preferably, the weighing module is arranged below the swing arm mechanism.

[0010] Compared with the prior art, the technical solution provided by the present invention has the following advantages:

[0011] The double swing arm weighing machine of the present invention adopts a double swing arm mechanism, which can weigh up to 1100 batteries per minute, while achieving a significant increase in production speed and accurate weighing data. The swing arm mechanism has two swing arms. The swing arm close to the incoming device is responsible for sucking the battery onto the weighing module. After weighing, the swing arm away from the incoming device is controlled by a motor to swing to the weighing module to suck the weighed battery onto the feeding channel. It can be understood that the two swing arms can be synchronously swung in parallel by setting the first gear and the second gear.

[0012] The material incoming device of the present invention is arranged between the two swing mechanisms, and the two swing mechanisms can be made to work alternately by arranging a motor, thereby improving the production speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of the top view of the double swing arm weighing machine provided in an embodiment of the present invention;

[0014] Figure 2 A schematic diagram of a top view of the structure of a swing device provided in an embodiment of the present invention;

[0015] Figure 3 A schematic diagram of the front structure of the swing arm mechanism provided by an embodiment of the present invention;

[0016] Figure 4 A schematic diagram of the top view of the double swing arm weighing machine provided by an embodiment of the present invention with the swing device hidden;

[0017] Figure 5 An exploded view of the structure of the swing arm provided by an embodiment of the present invention;

[0018] Figure 6 for Figure 5 The enlarged schematic diagram at A in the middle;

[0019] Figure 7 for Figure 5 Enlarged schematic diagram of point B in the middle.

[0020] Figure numbers: 1-incoming device, 2-swing device, 3-weighing module, 4-feeding device, 5-platform plate, 6-motor, 7-first gear, 8-second gear, 9-transmission shaft, 10-swing cam, 11-swing arm, 12-movable frame, 13-crossbeam plate, 15-magnetic steel, 16-cylinder, 17-lifting part, 18-convex strip, 20-through hole, 21-adsorption strip, 22-blind hole, 23-absorption groove. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with specific embodiments, but the present invention is not limited to these specific embodiments. Those skilled in the art should recognize that the present invention covers all possible alternatives, improvements and equivalents within the scope of the claims.

[0022] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present invention.

[0023] like Figure 1-7As shown, a double-swing arm weighing machine is shown, including a material incoming device 1, a swing device 2, a plurality of weighing modules 3, a feeding device 4 and a platform plate 5, wherein the material incoming device 1, the swing device 2, the weighing module 3 and the feeding device 4 are installed on the platform plate 5, the swing device 2 includes two sets of swing arm mechanisms arranged in upper and lower mirror images, the swing arm mechanisms include a motor 6, a first gear 7, two second gears 8, two transmission shafts 9, four swing cams 10 and two swing arms 11, the first gear 7 is connected to the output end of the motor 6, the two second gears 8 are meshed with the first gear 7 and are respectively located on both sides of the first gear 7, and the two The transmission shaft 9 is connected to the two second gears 8 respectively; the four swing cams 10 are respectively located at the two ends of the two transmission shafts 9; the swing arm 11 is fixed between the two swing cams 10; the swing arm 11 includes a movable frame 12, a cross beam 13, a magnet 15 and a cylinder 16, the two ends of the cross beam 13 are connected to the two swing cams 10, the movable frame 12 is arranged above the cross beam 13; the magnet 15 is fixedly arranged under the movable frame 12; the cylinder 16 is arranged between the movable frame 12 and the cross beam 13, and the movable frame 12 can move vertically relative to the cross beam 13 under the action of the cylinder 16. The weighing module 3 is arranged below the swing arm mechanism.

[0024] In the above structure, the second gear 8 is key-connected to the transmission shaft 9. The rotating second gear 8 can drive the transmission shaft 9 to rotate, and then the transmission shaft 9 drives the swing cam 10 away from one end of the motor 6 to swing.

[0025] In this embodiment, the motor 6 controls the first gear 7 to rotate. Since the first gear 7 and the second gear 8 are meshed, the motor 6 can drive the transmission shaft 9 to rotate through the first gear 7. The transmission shaft 9 drives the swing cam 10 to swing, and the swing cam 10 drives the rocker arm to swing.

[0026] When the swing arm 11 approaches the battery on the incoming device 1, the magnet 15 absorbs the battery, thereby achieving the purpose of the swing arm 11 absorbing the battery; when the swing arm 11 needs to release the battery, the cylinder 16 acts on the movable frame 12 to make the magnet 15 on the movable frame 12 move away from the battery, thereby reducing the attraction between the magnet 15 and the battery, and the battery naturally leaves the swing arm 11 under the action of gravity.

[0027] The working principle of the swing arm mechanism of this embodiment is as follows: the swing arm mechanism has two swing arms 11, the swing arm 11 close to the incoming material device 1 is responsible for sucking the battery onto the weighing module 3, and after weighing, the swing arm 11 away from the incoming material device is controlled by the motor 6 to swing to the weighing module 3 to suck the weighed battery onto the feeding channel. It can be understood that the two swing arms 11 can swing synchronously by setting the first gear 7 and the second gear 8.

[0028] In this embodiment, the material incoming device 1 is arranged between the two swing mechanisms. By arranging the motor 6, the two swing mechanisms can work alternately with each other, thereby improving the production speed.

[0029] Furthermore, the longitudinal section of the movable frame 12 is in the shape of a comb, and raised portions 17 are protruding from both ends of the movable frame 12. The cylinder 16 is fixed to the top of the crossbeam plate 13 and the output end of the cylinder 16 acts on the raised portion 17. The movable frame 12 has convex strips 18 with equal intervals, and the magnetic steel 15 is embedded in the bottom of the convex strips 18.

[0030] Specifically, the cross beam plate 13 is provided with through holes 20 at equal intervals corresponding to the movable frame 12, and the movable frame 12 is plugged into the cross beam plate 13; an adsorption strip 21 is fixed under the cross beam plate 13, and the adsorption strip 21 is provided with blind holes 22 corresponding to the movable frame 12, and the adsorption strip 21 is provided with absorption grooves 23 corresponding to the magnetic steel 15.

[0031] In this embodiment, the material incoming device 1 is a conveyor belt.

[0032] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The functional and structural principles of the present invention can be modified arbitrarily without departing from the principles shown above.

Claims

1. Double swing arm weighing machine, characterized by: The invention comprises a material incoming device (1), a swing device (2), a plurality of weighing modules (3), a feeding device (4) and a platform plate (5); the material incoming device (1), the swing device (2), the weighing modules (3) and the feeding device (4) are installed on the platform plate (5); the swing device (2) comprises two groups of swing arm mechanisms arranged in an upper and lower mirror image; the swing arm mechanisms comprise a motor (6), a first gear (7), two second gears (8), two transmission shafts (9), four swing cams (10) and two swing arms (11); the first gear (7) is connected to the output end of the motor (6); the two second gears (8) are meshed with the first gear (7) and are respectively located on both sides of the first gear (7); the two transmission shafts (9) The swing arm (11) is respectively connected to the two second gears (8); the four swing cams (10) are respectively located at the two ends of the two transmission shafts (9); the swing arm (11) is fixed between the two swing cams (10); the swing arm (11) comprises a movable frame (12), a cross beam plate (13), a magnetic steel (15) and a cylinder (16); the two ends of the cross beam plate (13) are connected to the two swing cams (10); the movable frame (12) is arranged above the cross beam plate (13); the magnetic steel (15) is fixedly arranged under the movable frame (12); the cylinder (16) is arranged between the movable frame (12) and the cross beam plate (13); the movable frame (12) can move vertically relative to the cross beam plate (13) under the action of the cylinder (16); The longitudinal section of the movable frame (12) is in the shape of a comb. Both ends of the movable frame (12) are provided with raised portions (17). The cylinder (16) is fixed to the top of the crossbeam plate (13) and the output end of the cylinder (16) acts on the raised portion (17). The movable frame (12) has convex strips (18) distributed at equal intervals, and the bottom of the convex strips (18) is embedded with the magnetic steel (15). The cross beam plate (13) is provided with through holes (20) at equal intervals corresponding to the movable frame (12), and the movable frame (12) is plugged into the cross beam plate (13); An adsorption strip (21) is fixed below the cross beam plate (13), the adsorption strip (21) is provided with a blind hole (22) corresponding to the movable frame (12), and the adsorption strip (21) is provided with a suction groove (23) corresponding to the magnetic steel (15).

2. The double swing arm weighing machine according to claim 1, characterized in that: The incoming material device (1) is a conveyor belt.

3. The double swing arm weighing machine according to claim 1, characterized in that: The weighing module (3) is arranged below the swing arm mechanism.

Images