Continuous conveying equipment for milk powder cans

Abstract

The utility model relates to the technical field of conveying devices, and discloses continuous conveying equipment for milk powder cans, which comprises a rack, belt wheels are rotatably connected to two ends of the rack, the belt wheels at two ends of the rack are connected through a conveying belt, and transmission components are fixedly connected to rotating shafts of the belt wheels at two ends of the rack. A driving assembly is arranged on the side portion of the machine frame, one end of the driving assembly is connected with the transmission assembly in a meshed mode, a tensioning assembly is fixedly connected to the side wall of the machine frame, and one end of the tensioning assembly elastically abuts against the transmission assembly. The hydraulic piston group is driven by the electric push rod to control the diameter of the reducing wheel, the conveying step pitch can be quickly adjusted, the production requirements of various tank types are met, the continuous operation capability is improved, the tension degree of the synchronous belt is automatically maintained through the spring-pressurized tensioning wheel mechanism, slipping is effectively prevented, rigid locking is formed after a hydraulic loop is adjusted, and the service life of the hydraulic loop is prolonged. And the accuracy and the stability of the conveying step pitch are guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of conveying device technology, and in particular to a continuous conveying device for milk powder cans. Background Technology

[0002] Milk powder cans are containers specifically designed for holding and storing milk powder. After being sealed, milk powder cans need to be labeled, coded, and weighed in sequence. They need to be transported continuously, smoothly, and without impact by conveying equipment. Any vibration or collision may cause the label to be applied crookedly or damage the can.

[0003] However, existing equipment still has some shortcomings in use, such as: the existing milk powder can conveying equipment has a fixed conveying step distance, which cannot flexibly adapt to the processing needs of different can sizes. During the step distance adjustment process, the transmission stability is insufficient, and positioning errors caused by slippage, jamming and impact are prone to occur. Utility Model Content

[0004] The purpose of this invention is to solve the problems in the existing technology where the conveying step distance is fixed, which cannot flexibly adapt to the processing needs of different sizes of cans, and the transmission stability is insufficient during the step distance adjustment process, which is prone to slippage, jamming and positioning errors caused by impact loads. Therefore, a continuous conveying device for milk powder cans is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A continuous conveying device for milk powder cans includes a frame, with pulleys rotatably connected to both ends of the frame. The pulleys at both ends of the frame are connected by a conveyor belt. A transmission assembly is fixedly connected to the shaft of the pulleys at both ends of the frame. A drive assembly is provided on the side of the frame, with one end of the drive assembly meshing with the transmission assembly. A tensioning assembly is fixedly connected to the side wall of the frame, with one end of the tensioning assembly elastically abutting against the transmission assembly.

[0007] The transmission assembly includes a fixed ring and a mounting plate fixedly connected to one of the pulley shafts. Multiple first piston mechanisms are fixedly connected to the side wall of the fixed ring. An arc-shaped wheel is fixedly connected to the movable end of each first piston mechanism. An electric push rod and multiple second piston mechanisms are fixedly connected to the mounting plate. The multiple second piston mechanisms and the multiple first piston mechanisms are connected one-to-one through pipes. The movable ends of the electric push rod and the multiple second piston mechanisms are all fixedly connected to a pressure plate.

[0008] Preferably, each of the arc-shaped wheels is elastically connected to the corresponding first piston mechanism via a first spring, and the movable end of the first piston mechanism passes through the inner ring of the first spring.

[0009] Preferably, a synchronous pulley is fixedly connected to another pulley shaft, and multiple arc-shaped pulleys are arranged in a circumferential array to form a variable diameter pulley. The synchronous pulley and the variable diameter pulley are connected by a synchronous belt.

[0010] Preferably, the tensioning assembly includes a first bracket fixedly connected to the side wall of the frame, a slide rod slidably connected through the first bracket, a tensioning wheel rotatably connected to the bottom end of the slide rod, the tensioning wheel abutting against the timing belt, a limit plate fixedly connected to the top end of the slide rod, the limit plate being elastically connected to the first bracket by a second spring, and the slide rod passing through the inner ring of the second spring.

[0011] Preferably, the drive assembly includes a second bracket fixedly mounted on the side of the frame, a motor fixedly connected to the second bracket, and a sector gear fixedly connected to the output shaft of the motor.

[0012] Preferably, the transmission assembly further includes a cylindrical gear fixedly connected to another pulley shaft, the cylindrical gear meshing with a sector gear for transmission.

[0013] Preferably, multiple magnetic suction plates are fixedly connected to the conveyor belt.

[0014] Preferably, a third bracket is symmetrically fixedly connected to the side walls on both sides of the frame, and an adjusting screw is threaded through each of the third brackets. One end of the two adjusting screws on the same side is rotatably connected to a baffle.

[0015] The beneficial effects of this utility model are:

[0016] 1. The diameter of the variable diameter wheel is controlled by the hydraulic piston assembly driven by the electric actuator, which can quickly and accurately adjust the conveying pitch. It can adapt to the production needs of various tank types without stopping the machine to replace parts, thus improving the continuous operation capability of the production line.

[0017] 2. The tensioning wheel mechanism, which is pressurized by springs, can automatically maintain the tension of the synchronous belt, effectively preventing slippage. The hydraulic circuit forms a rigid lock after adjustment, which dampens the impact load, avoids accidental displacement of the variable diameter wheel, and ensures the accuracy and stability of the conveying pitch. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a continuous conveying device for milk powder cans proposed in this utility model.

[0019] Figure 2 This is a schematic diagram of the arc-shaped wheel section in a continuous conveying device for milk powder cans proposed in this utility model.

[0020] Figure 3This is a cross-sectional schematic diagram of the first piston mechanism and the second piston mechanism in a continuous conveying device for milk powder cans proposed in this utility model.

[0021] Figure 4 for Figure 2 An enlarged schematic diagram of the structure of part A in the middle.

[0022] Figure 5 This is a schematic diagram showing the connection between the drive assembly and the transmission assembly in a continuous conveying device for milk powder cans proposed in this utility model.

[0023] Figure 6 This is a schematic diagram of the tensioning component in a continuous conveying device for milk powder cans proposed in this utility model.

[0024] Figure 7 This is a top view of a continuous conveying device for milk powder cans proposed in this utility model.

[0025] In the diagram: 1. Frame; 101. Third support; 102. Adjusting screw; 103. Baffle; 2. Pulley; 3. Conveyor belt; 301. Magnetic suction plate; 4. Transmission assembly; 401. Fixing ring; 402. Mounting plate; 403. First piston mechanism; 404. Arc wheel; 405. Electric push rod; 406. Second piston mechanism; 407. Pressure plate; 408. First spring; 409. Synchronous pulley; 410. Synchronous belt; 411. Cylindrical gear; 5. Drive assembly; 501. Second support; 502. Motor; 503. Sector gear; 6. Tensioning assembly; 601. First support; 602. Slide rod; 603. Tensioning wheel; 604. Limiting plate; 605. Second spring. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0027] Reference Figure 1 - Figure 7 A continuous conveying device for milk powder cans includes a frame 1, with pulleys 2 rotatably connected to both ends of the frame 1. The pulleys 2 at both ends of the frame 1 are connected via a conveyor belt 3. A transmission assembly 4 is fixedly connected to the rotating shaft of the pulleys 2 at both ends of the frame 1. A drive assembly 5 is provided on the side of the frame 1, with one end of the drive assembly 5 meshing with the transmission assembly 4. A tensioning assembly 6 is fixedly connected to the side wall of the frame 1, with one end of the tensioning assembly 6 elastically abutting against the transmission assembly 4. The drive assembly 5 and the transmission assembly 4 mesh for a fixed time each time, driving the pulleys 2 to rotate and conveying the milk powder cans on the conveyor belt 3 at equal distances.

[0028] The transmission assembly 4 includes a fixed ring 401 and a mounting plate 402 fixedly connected to one of the pulleys 2. Multiple first piston mechanisms 403 are fixedly connected to the side wall of the fixed ring 401. Each first piston mechanism 403 has an arc-shaped wheel 404 fixedly connected to its movable end. An electric push rod 405 and multiple second piston mechanisms 406 are fixedly connected to the mounting plate 402. The multiple second piston mechanisms 406 and multiple first piston mechanisms 403 are connected one-to-one through pipes. The movable ends of the electric push rod 405 and multiple second piston mechanisms 406 are fixedly connected to a pressure plate 407. When the movable end of the electric push rod 405 retracts, the pressure plate 407 simultaneously compresses the multiple second piston mechanisms 406. The rodless chambers of the first piston mechanisms 403 and the second piston mechanisms 406 are connected and filled with hydraulic oil, thereby causing the movable ends of the multiple first piston mechanisms 403 to extend and drive the arc-shaped wheel 404 to move.

[0029] Each arc-shaped wheel 404 is elastically connected to the corresponding first piston mechanism 403 by a first spring 408, and the movable end of the first piston mechanism 403 passes through the inner ring of the first spring 408, so that the movement of the arc-shaped wheel 404 is more stable and smooth through the first spring 408.

[0030] A synchronous pulley 409 is fixedly connected to the shaft of another pulley 2. Multiple arc-shaped pulleys 404 are arranged in a circumferential array to form a variable diameter pulley. The synchronous pulley 409 and the variable diameter pulley are connected by a synchronous belt 410. The multiple arc-shaped pulleys 404 move synchronously, thereby changing the size of the formed variable diameter pulley, and thus changing the conveying distance of the conveyor belt 3 to the milk powder can each time.

[0031] The tensioning assembly 6 includes a first bracket 601 fixedly connected to the side wall of the frame 1. A slide rod 602 is slidably connected through the first bracket 601. A tensioning wheel 603 is rotatably connected to the bottom end of the slide rod 602. The tensioning wheel 603 abuts against the synchronous belt 410. A limit plate 604 is fixedly connected to the top end of the slide rod 602. The limit plate 604 and the first bracket 601 are elastically connected by a second spring 605. The slide rod 602 passes through the inner ring of the second spring 605. The tensioning wheel 603 tensions the synchronous belt 410. When the size of the variable diameter pulley changes, the second spring 605 ensures that the tensioning wheel 603 can always tension the synchronous belt 410.

[0032] The drive assembly 5 includes a second bracket 501 fixedly mounted on the side of the frame 1. A motor 502 is fixedly connected to the second bracket 501. A sector gear 503 is fixedly connected to the output shaft of the motor 502. The motor 502 drives the sector gear 503 to rotate, which in turn meshes with the transmission assembly 4 and drives the pulley 2 to rotate.

[0033] The transmission assembly 4 also includes a cylindrical gear 411 fixedly connected to the shaft of another pulley 2, which meshes with a sector gear 503 for transmission. The sector gear 503 meshes with the cylindrical gear 411 for a fixed time for each rotation, thereby achieving equidistant transport of milk powder cans on the conveyor belt 3 and avoiding squeezing and collision between the cans.

[0034] Multiple magnetic plates 301 are fixedly connected to the conveyor belt 3. The magnetic plates 301 are used to attract the milk powder cans on the conveyor belt 3, so that the milk powder cans are not easy to tip over.

[0035] A third bracket 101 is symmetrically fixedly connected to the side walls on both sides of the frame 1. Each third bracket 101 is threaded with an adjusting screw 102. One end of the two adjusting screws 102 on the same side is rotatably connected to a baffle 103. The distance between the two baffles 103 can be adjusted by adjusting the screws 102, so that the two baffles 103 can protect the milk powder can from the side, preventing the milk powder can from moving to the sides or tipping over, causing the milk powder can to deviate from the subsequent work position.

[0036] In this invention, after the motor 502 starts, the sector gear 503 rotates and meshes with the cylindrical gear 411, driving the conveyor belt 3 to transport the milk powder cans via the pulley 2. During this process, when it is necessary to adjust the conveying step distance, the electric push rod 405 starts, and its movable end retracts or extends, driving the pressure plate 407 to move synchronously. The pressure plate 407 compresses or stretches multiple second piston mechanisms 406. The second piston mechanisms 406, through the action of internal hydraulic oil, push or pull the movable end of the first piston mechanism 403 to extend or retract, causing the first piston mechanism 403 to drive the arc wheel 404 to move radially. Multiple arc wheels 404 are arranged in a circumferential array to form a variable diameter wheel, thereby increasing or decreasing the transmission radius of the synchronous belt 410, and thus adjusting the step distance of each conveying of the conveyor belt 3, ensuring that milk powder cans of different specifications can accurately stop at each processing station. When the conveyor belt 3 moves, the magnetic suction plate 301 generates an adsorption force on the metal milk powder can, and the spacing of the baffles 103 on both sides is adjusted by the adjusting screw 102, thereby preventing the milk powder can from sliding or tipping over during the conveying process.

[0037] As the arc-shaped wheel 404 moves, the diameter of the variable-diameter wheel changes, and the tension of the synchronous belt 410 changes. Under the elastic force of the second spring 605, the tensioning wheel 603 slides along the slide bar 602, so that the tensioning wheel 603 always elastically resists the synchronous belt 410. This keeps the synchronous belt 410 in a taut state during the adjustment of the step distance, avoiding transmission slippage. When the load on the conveyor belt 3 increases or encounters obstruction, the tensioning wheel 603 compresses the second spring 605 and slides away from the synchronous belt 410, causing the synchronous belt 410 to loosen locally, avoiding load accumulation. After the step distance adjustment is completed, the electric push rod 405 stops moving, and the first piston mechanism 403 and the second piston mechanism 406 form a rigid connection. When the conveyor belt 3 is subjected to impact load, the hydraulic oil cannot flow quickly between the pistons, thus damping the displacement of the arc-shaped wheel 404, thereby preventing unexpected changes in the size of the variable-diameter wheel and ensuring the stability of the conveying step distance.

[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A continuous conveying apparatus for powdered milk tanks, comprising a frame (1), characterized in that, Both ends of the frame (1) are rotatably connected to pulleys (2). The pulleys (2) at both ends of the frame (1) are connected by a conveyor belt (3). A transmission assembly (4) is fixedly connected to the shaft of the pulleys (2) at both ends of the frame (1). A drive assembly (5) is provided on the side of the frame (1). One end of the drive assembly (5) is meshed with the transmission assembly (4). A tensioning assembly (6) is fixedly connected to the side wall of the frame (1). One end of the tensioning assembly (6) elastically abuts against the transmission assembly (4). The transmission assembly (4) includes a fixed ring (401) and a mounting plate (402) fixedly connected to the shaft of one of the pulleys (2). A plurality of first piston mechanisms (403) are fixedly connected to the side wall of the fixed ring (401). An arc wheel (404) is fixedly connected to the movable end of each first piston mechanism (403). An electric push rod (405) and a plurality of second piston mechanisms (406) are fixedly connected to the mounting plate (402). The plurality of second piston mechanisms (406) and the plurality of first piston mechanisms (403) are connected one-to-one through pipes. The movable ends of the electric push rod (405) and the plurality of second piston mechanisms (406) are fixedly connected to a pressure plate (407).

2. The continuous conveying apparatus for a powdered milk tank according to claim 1, wherein Each of the arc-shaped wheels (404) is elastically connected to the corresponding first piston mechanism (403) by a first spring (408), and the movable end of the first piston mechanism (403) passes through the inner ring of the first spring (408).

3. The continuous conveying apparatus for a powdered milk tank according to claim 1, wherein Another pulley (2) has a synchronous pulley (409) fixedly connected to its shaft. Multiple arc-shaped pulleys (404) are arranged in a circular array to form a variable diameter wheel. The synchronous pulley (409) and the variable diameter wheel are connected by a synchronous belt (410).

4. The continuous conveying apparatus for a powdered milk tank according to claim 3, wherein The tensioning assembly (6) includes a first bracket (601) fixedly connected to the side wall of the frame (1), a slide rod (602) slidably connected through the first bracket (601), a tensioning wheel (603) rotatably connected to the bottom end of the slide rod (602), the tensioning wheel (603) abutting against the synchronous belt (410), a limiting plate (604) fixedly connected to the top end of the slide rod (602), the limiting plate (604) and the first bracket (601) being elastically connected by a second spring (605), and the slide rod (602) passing through the inner ring of the second spring (605).

5. A continuous conveying device for milk powder cans according to claim 1, characterized in that, The drive assembly (5) includes a second bracket (501) fixedly mounted on the side of the frame (1), a motor (502) fixedly connected to the second bracket (501), and a sector gear (503) fixedly connected to the output shaft of the motor (502).

6. The continuous conveying apparatus for a powdered milk tank according to claim 5, wherein The transmission assembly (4) also includes a cylindrical gear (411) fixedly connected to the shaft of another pulley (2), which meshes with a sector gear (503) for transmission.

7. The continuous conveying apparatus for a powdered milk tank according to claim 1, wherein Multiple magnetic plates (301) are fixedly connected to the conveyor belt (3).

8. A continuous conveying device for milk powder cans according to claim 1, characterized in that, The frame (1) has a third bracket (101) symmetrically fixedly connected to the side walls on both sides. Each third bracket (101) has an adjusting screw (102) threaded through it. One end of the two adjusting screws (102) on the same side is rotatably connected to a baffle (103).

Images