Disposable meal box raw material unpacking equipment

Abstract

The utility model relates to the technical field of meal box processing, and discloses a disposable meal box raw material unpacking device which comprises a box body, a set of cutting blades arranged up and down are arranged at the inlet end of the box body, and a screening net cylinder with the two ends penetrating through is rotationally arranged in the box body behind the cutting blades. A screening net barrel is arranged in the box body, a waste discharging pipe is arranged at the outlet end of the screening net barrel in a communicating mode, a cleaning brush roller is arranged on the inner wall of the box body on one side of the screening net barrel, the cleaning brush roller is arranged in the length direction of the screening net barrel, and in the initial state, the cleaning brush roller makes contact with the outer surface of the screening net barrel; according to the unpacking device, the surface of the screening net barrel can be cleaned in the unpacking process, the smoothness of the screening net barrel is guaranteed, and the discharging efficiency is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to meal box processing technical field especially, relates to a disposable meal box raw material unpacking equipment. BACKGROUND

[0002] In the disposable meal box processing, granular polypropylene and polystyrene are usually used as raw materials, and the batch polypropylene and polystyrene raw materials are usually packed in bags. When processing and using, the unpacking rate affects the processing efficiency of the meal box to some extent. Therefore, many manufacturers have developed unpacking equipment. The existing unpacking equipment usually includes a cutting blade. After the packaging bag is cut by the cutting blade, the raw material falls from the cut, and the packaging bag and the residual raw material in the bag are connected and enter the screening net cylinder. With the rotation of the screening net cylinder, the conveying of the packaging bag and the release of the raw material in the bag can be realized synchronously until the packaging bag runs to the end of the screening net cylinder and is discharged into the subsequent work station. This operation mode can quickly realize unpacking and improve the centralized processing of the unpacked packaging bag, and has high practicability and is widely used by many production enterprises.

[0003] However, a small amount of raw material is stuck in the mesh hole of the screening net cylinder during the rotation of the screening net cylinder, which is not easy to fall off, and the accumulation and blockage of the raw material are caused over a long period of time, affecting the discharging efficiency of the screening net cylinder. Therefore, an unpacking equipment for disposable meal box raw materials is needed, which can clean the surface of the screening net cylinder during unpacking, ensure the smoothness of the screening net cylinder, and ensure the discharging efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an unpacking equipment for disposable meal box raw materials, which can clean the surface of the screening net cylinder during unpacking, ensure the smoothness of the screening net cylinder, and ensure the discharging efficiency.

[0005] The utility model adopts the following technical scheme:

[0006] An unpacking equipment for disposable meal box raw materials comprises a box body, a group of cutting blades arranged above and below are arranged at the inlet end of the box body, a screening net cylinder with through holes is arranged to rotate in the box body behind the cutting blades, a waste discharge pipe is arranged in the outlet end of the screening net cylinder, a cleaning brush roller is arranged on the inner wall of the box body on one side of the screening net cylinder, the cleaning brush roller is arranged along the length direction of the screening net cylinder, and the cleaning brush roller is in contact with the outer surface of the screening net cylinder in the initial state.

[0007] Preferably, the cleaning brush roller is arranged to rotate on the inner wall of the box body.

[0008] Preferably, an inspection hole is formed in the side wall of the box body, a sealing plate is hinged to the inspection hole, and the cleaning brush roller is arranged to rotate on the sealing plate.

[0009] Preferably, a fixing pressing plate is arranged on the box body and rotates, and a fixing bolt is arranged on the fixing pressing plate and rotates.

[0010] Preferably, support frames are arranged on both sides of the sealing plate, moving blocks are arranged in the support frames and slide, the cleaning brush roller rotates on the moving blocks, an adjusting screw rotates on the moving block, and one end of the adjusting screw moves out of the sealing plate.

[0011] Preferably, the cleaning brush roller is detachably connected with the moving block.

[0012] Preferably, a containing sleeve rotates on each of the moving blocks, a positioning protrusion elastically arranged in one of the containing sleeves, a positioning hole is arranged on the other containing sleeve, one end of the cleaning brush roller is provided with a mounting groove matched with the positioning protrusion, and the other end of the cleaning brush roller is provided with a mounting head.

[0013] Preferably, a rotating shaft is coaxially fixedly arranged on one end of the containing sleeve away from the cleaning brush roller, a driving pulley is arranged on the rotating shaft, a driven pulley rotates on the outside of the sealing plate, an adjusting pulley is elastically arranged on the sealing plate between the driving pulley and the driven pulley, and a transmission belt is sleeved on the driving pulley, the driven pulley and the adjusting pulley; and a fan blade is coaxially arranged on the driven pulley.

[0014] Preferably, a protective cover is arranged on the sealing plate and sleeved on the outside of the driven pulley.

[0015] Preferably, a speed sensor is arranged on the rotating shaft of the driven pulley.

[0016] Compared with the prior art, the box body of the utility model is provided with a cleaning brush roller on the inner wall, which can clean the surface of the screening net cylinder when the screening net cylinder rotates, timely remove the raw materials stuck in the mesh of the screening net cylinder, reduce the probability of the mesh being blocked, ensure the smoothness of the screening net cylinder and the efficiency of discharging. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a front view of the embodiment of the application;

[0018] Fig. 2 It is a schematic view of the internal structure of the embodiment of the application;

[0019] Fig. 3 It is a schematic view of the connection between the cleaning brush roller and the sealing plate of the embodiment of the application;

[0020] Fig. 4 It is a side view of the sealing plate and the cleaning brush roller of the embodiment of the application. DETAILED DESCRIPTION

[0021] The utility model will make a clear and complete description in combination with the drawings and examples:

[0022] As Figs. 1 to 4 The utility model discloses a disposable meal box raw material unpacking equipment, including the box 1, the inlet of box 1 is provided with a group of upper and lower arrangement cutting blade 2 for cutting the packing bag, the box 1 is rotationally arranged with the screen mesh cylinder 3 of both ends through arrangement behind cutting blade 2, the screen mesh cylinder 3 is used to drive the packing bag after cutting to move, realizes the raw material dumping in packing bag while, the empty packing bag after raw material dumping is sent to subsequent discharge, the outlet of screen mesh cylinder 3 is connected with waste discharge pipe 4, and the bottom of waste discharge pipe 4 is provided with screw conveyor 5 for outputting the received packing bag, the inner wall of the box 1 of screen mesh cylinder 3 side is provided with cleaning brush roller 6, and cleaning brush roller 6 is arranged along the length direction of screen mesh cylinder 3, in the initial state, the bristles on cleaning brush roller 6 contact with the outer surface of screen mesh cylinder 3, along with the rotation of screen mesh cylinder 3, cleaning brush roller 6 will clean the raw material jammed in the mesh hole of screen mesh cylinder 3, avoid the mesh hole of screen mesh cylinder 3 being blocked, guarantee that the raw material falls smoothly in screen mesh cylinder 3.

[0023] Further, cleaning brush roller 6 is rotationally arranged on the inner wall of box 1, can drive cleaning brush roller 6 to rotate when screen mesh cylinder 3 rotates, reduce the abrasion of cleaning brush roller 6 at the same position for a long time, prolong the service life of cleaning brush roller 6. In addition, the sidewall of box 1 is provided with an access hole, and a sealing plate 7 is hingedly connected to the access hole. The cleaning brush roller 6 is rotationally arranged on the sealing plate 7, facilitating the maintenance and replacement of the cleaning brush roller 6 by opening and closing the sealing plate 7. A fixed pressing plate 8 is rotationally arranged on the box 1, and a fixed bolt 9 is threadedly arranged on the fixed pressing plate 8. When the sealing plate 7 is reset, the fixed pressing plate 8 is rotated to be located on the sealing plate 7, and then the fixed bolt 9 is tightened to fix the sealing plate 7.

[0024] Further, support frames 10 are arranged on both sides of the sealing plate 7, and a moving block 11 is slidably arranged in each support frame 10. The cleaning brush roller 6 is rotationally arranged between the two moving blocks 11. An adjusting screw 12 is rotationally arranged on the moving block 11, and one end of the adjusting screw 12 is movably arranged to pass through the sealing plate 7. When the bristles on the cleaning brush roller 6 are worn out, a gap is formed between the cleaning brush roller 6 and the screen mesh cylinder 3, and the cleaning brush roller 6 cannot contact the surface of the screen mesh cylinder 3 for cleaning. At this time, the adjusting screw 12 is rotated to push the moving block 11 and move the cleaning brush roller 6 towards the screen mesh cylinder 3, thereby prolonging the utilization time of the cleaning brush roller 6, fully utilizing the cleaning brush roller 6, reducing the replacement frequency, and reducing the use cost.

[0025] Further, the cleaning brush roller 6 is detachably connected with the moving block 11, facilitating subsequent replacement; specifically, the two moving blocks 11 are both rotationally provided with accommodating sleeves, one of the accommodating sleeves is elastically provided with a positioning protrusion 13 through a spring, the other accommodating sleeve is provided with a positioning hole, one end of the cleaning brush roller 6 is provided with a mounting groove matched with the positioning protrusion 13, and the other end of the cleaning brush roller 6 is provided with a mounting head 14. The positioning protrusion 13, the mounting groove, the mounting head 14 and the positioning hole are preferably provided in a cross-shaped structure, avoiding the phenomenon of slipping when the cleaning brush roller 6 rotates.

[0026] One end of one of the accommodating sleeves is coaxially and fixedly provided with a rotating shaft, the rotating shaft is provided with a driving pulley 15, the sealing plate 7 is rotationally provided with a driven pulley 16 outside, the sealing plate between the driven pulley 16 and the driving pulley 15 is elastically provided with an adjusting pulley 17, and a transmission belt 19 is sleeved outside the driving pulley 15, the driven pulley 16 and the adjusting pulley 17; the driven pulley 16 is coaxially provided with a fan blade 18; the fan blade 18 is provided to facilitate observation of the rotation of the fan blade 18 on the construction site to determine the wear of the cleaning brush roller 6; when the cleaning brush roller 6 is not worn, the cleaning brush roller 6 will also rotate under the action of friction with the rotation of the screening mesh cylinder 3, at which time the external fan blade 18 can be observed to rotate; when the cleaning brush roller 6 is worn, the fan blade 18 will rotate in an intermittent state, or even a completely stationary state, at which time it indicates that the cleaning brush roller 6 is seriously worn and there is a gap between the cleaning brush roller 6 and the screening mesh cylinder 3, and the position of the cleaning brush roller 6 needs to be adjusted; in order to ensure the tension of the transmission belt 19 before and after adjustment, the adjusting pulley 17 is vertically and elastically arranged on the supporting frame 10; specifically, a sliding groove is vertically formed in the sealing plate, a sliding block is slidably arranged in the sliding groove, and the adjusting pulley 17 is rotationally arranged on the sliding block; a spring is arranged between the top end of the sliding block and the top wall in the sliding groove in the initial state, the sliding block drives the adjusting pulley 17 to move upward as the moving block 11 moves to the screening mesh cylinder 3, and the spring is in a compressed state to ensure the normal work of the transmission belt 19. In addition, a speed sensor 20 is further arranged on the rotating shaft of the driven pulley 16, and the speed sensor 20 is connected with a control device in the background, so that the background can determine the wear state of the cleaning brush roller by receiving the signal feedback by the speed sensor 20. In addition, in the embodiment, the sealing plate 7 is further provided with a protective cover 21 sleeved outside the driven pulley 16, which protects the driven pulley 16 outside, and the protective cover 21 is provided with a through hole through which a connecting shaft connected with the fan blade 18 extends.

[0027] The utility model discloses when using, through the rotation friction of screening net cylinder 3 and cleaning brush roll 6, can clear the raw material that stuck in the mesh of screening net cylinder 3, avoid the mesh of screening net cylinder 3 jam, influence the falling rate of raw material, when cleaning brush roll wears, can adjust the distance of cleaning brush roll and screening net cylinder 3 through the rotation adjusting screw rod 12, prolong the use time of cleaning brush roll, reduce the frequency of replacement, save production cost, need to replace cleaning brush roll, open sealing plate 7, control cleaning brush roll to the one end that is provided with positioning boss 13 extrusion can replace, simple and quick operation, and the practicality is strong.

Claims

1. A disposable meal box raw material unpacking device, comprising a box body, a group of cutting blades arranged in an up-down manner are arranged at the inlet end of the box body, a screening net cylinder with through holes at both ends is rotatably arranged in the box body behind the cutting blades, and a waste discharge pipe is in communication with the outlet end of the screening net cylinder, characterized in that: The cleaning brush roller is arranged along the length direction of the screening net cylinder and is in contact with the outer surface of the screening net cylinder in the initial state.

2. The disposable meal box raw material unpacking apparatus according to claim 1, characterized by: The cleaning brush roller is rotatably arranged on the inner wall of the box.

3. The disposable meal box raw material unpacking apparatus according to claim 2, characterized by: The box is provided with an access hole in the side wall, and a sealing plate is hingedly arranged on the access hole.

4. The disposable meal box raw material unpacking apparatus according to claim 3, characterized by: A fixing plate is rotatably arranged on the box, and a fixing bolt is threadedly arranged on the fixing plate.

5. The disposable meal box raw material unpacking apparatus according to claim 3, characterized by: Support frames are arranged on both sides of the sealing plate, and a moving block is slidably arranged in the support frame.

6. The disposable meal box raw material unpacking apparatus according to claim 5, characterized by: The cleaning brush roller is rotatably arranged on the moving block.

7. The disposable meal box raw material unpacking apparatus according to claim 6, characterized by: The cleaning brush roller is detachably connected with the moving block.

8. The disposable meal box raw material unpacking apparatus according to claim 7, characterized by: A receiving sleeve is rotatably arranged on each of the moving blocks, a positioning protrusion is elastically arranged in one of the receiving sleeves, a positioning hole is arranged on the other receiving sleeve, one end of the cleaning brush roller is provided with a mounting groove matched with the positioning protrusion, and the other end of the cleaning brush roller is provided with a mounting head.

9. The disposable meal box raw material unpacking apparatus according to claim 8, characterized by: A rotating shaft is coaxially and fixedly arranged at one end of the receiving sleeve away from the cleaning brush roller, a driving pulley is arranged on the rotating shaft, a driven pulley is rotatably arranged outside the sealing plate, an adjusting pulley is elastically arranged on the sealing plate between the driving pulley and the driven pulley, and a transmission belt is sleeved outside the driving pulley, the driven pulley and the adjusting pulley.

10. The disposable meal box raw material unpacking apparatus according to claim 9, characterized by: A fan blade is coaxially arranged on the driven pulley. A protective cover is arranged on the sealing plate and sleeved outside the driven pulley. A speed sensor is arranged on the rotating shaft of the driven pulley.

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