Automatic screening equipment for raw material impurities of escalator hand strap

Abstract

The utility model discloses an elevator hand strap raw material impurity automatic screening equipment relates to screening equipment technical field, including screening box and bottom plate, said bottom plate is located the lower position of screening box, and the upper surface of bottom plate close to the corner position of all around is fixedly connected with connecting column, connecting column between the connecting column and screening box is connected with vibrating spring, the vibrating spring is connected with the vibrating spring. A feeding hopper is fixedly mounted at the top of the screening box, a first discharging hopper and a second discharging hopper are fixedly connected to the end of the screening box, and the second discharging hopper is located below the first discharging hopper. According to the automatic screening equipment for the impurities of the escalator hand strap raw materials, the screening net plate of the screening equipment can be corrected and abut against each other, deformation of the screening net plate can be avoided, the screening work efficiency of the screening equipment is improved, the hand strap raw materials entering the screening equipment can be evenly guided, and the screening efficiency is improved. And the situation that raw materials of the hand strap are not uniformly distributed can be prevented.

Description

Technical Field

[0001] This utility model relates to the field of screening equipment technology, and in particular to an automatic screening device for impurities in elevator handrail belt raw materials. Background Technology

[0002] Elevator handrails are an important component of escalators. They are circular handrails that move with the escalator. Their surface is made of rubber, and they are made of steel wire rope and canvas as the skeleton material. During the production and processing of elevator handrail raw materials, impurities may be mixed in, which need to be screened by screening equipment.

[0003] Chinese patent CN214394962U discloses a raw material screening and impurity removal device for composite plastic board production. The device includes a base, with a first support column and a second support column connected to the upper surface of the base. A screening box is connected to the upper surfaces of the first and second support columns. One end of the screening box is open, and a screening plate is connected inside the screening box, dividing it into a first chamber and a second chamber. The screening plate has several screening holes. A first discharge hopper and a second discharge hopper are located at the open end of the screening box, communicating with both the first and second chambers. A feed hopper is located on the screening box, communicating with the first chamber. A vibrator is connected to the bottom of the screening box, located outside the screening box. A controller is also connected to the upper surface of the base, and the vibrator is electrically connected to the controller. This invention solves the problem that in existing composite plastic board raw material preparation processes, it is difficult to remove impurities from the raw materials, which in turn affects the production of composite plastic boards.

[0004] In traditional automatic raw material impurity screening equipment, the screening screen plate will deform due to frequent stress during long-term use. If it is not corrected in time, the screening efficiency of the screening screen plate will be greatly reduced, which will drag down the overall working efficiency of the screening equipment and make it impossible to guide the raw materials into the equipment evenly, resulting in uneven distribution of raw materials. Utility Model Content

[0005] The main objective of this invention is to provide an automatic screening device for raw material impurities in elevator handrails. This device can effectively solve the problem mentioned in the background art where, during long-term use, the screening screen plate of the traditional automatic screening device for raw material impurities will deform due to frequent stress. If it is not corrected in time, the screening efficiency of the screening screen plate will be greatly reduced, thereby dragging down the overall working efficiency of the screening device and making it impossible to evenly guide the raw materials into the device, resulting in uneven distribution of raw materials.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] An automatic screening device for raw material impurities in elevator handrails includes a screening box and a base plate. The base plate is located below the screening box, and connecting columns are fixedly connected to the upper surface of the base plate near the four corners. Vibration springs are connected between the connecting columns and the screening box. A feed hopper is fixedly installed on the top of the screening box, and a first discharge hopper and a second discharge hopper are fixedly connected to the end of the screening box. The second discharge hopper is located below the first discharge hopper. A mounting frame is fixedly connected to the inner side of the screening box, and a screening screen is clamped on the inner side of the mounting frame. A vibration motor is fixedly connected to the center of the lower surface of the screening box, and a correction and clamping structure is connected to the bottom of the screening box.

[0008] As a further embodiment of this utility model, the correction and clamping structure includes a connecting rod, a correction plate, and a fixing frame. The connecting rod passes through the bottom of the screening box, the correction plate is fixed to the top of the connecting rod and is disposed inside the screening box, and the fixing frame is fixed to the bottom of the connecting rod.

[0009] As a further embodiment of this utility model, a locking sleeve is fitted on the outer surface of the connecting rod, the locking sleeve is fixed to the lower surface of the screening box, and a locking pin is screwed into the inside of the locking sleeve, and a locking groove adapted to the locking pin is opened inside the locking sleeve.

[0010] As a further embodiment of this utility model, the connecting rod is fixedly connected to the locking sleeve by a locking pin and a locking groove, and the tilt angle of the connecting rod is consistent with that of the screening box.

[0011] As a further embodiment of this utility model, a flow guide seat is fixedly connected to the inner side of the screening box and below the feed hopper, and a flow equalization seat is fixedly connected to the end of the flow guide seat, with the connection between the flow guide seat and the flow equalization seat being flush with each other.

[0012] As a further embodiment of this utility model, the top of the flow equalization seat is provided with multiple flow equalization grooves, and baffles are fixedly connected to both sides of the flow guide seat.

[0013] The beneficial effects of this utility model are as follows: by setting a correction and clamping structure, the screening screen of the screening equipment can be corrected and clamped, which can prevent the screening screen from deforming and improve the screening efficiency of the screening equipment.

[0014] By setting up flow guide seats, flow equalization seats, and flow equalization troughs, the raw materials entering the screening equipment can be evenly guided, preventing uneven distribution of the raw materials. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of an automatic screening device for raw materials and impurities in elevator handrails according to the present invention.

[0016] Figure 2 This is a front view of an automatic screening device for raw material impurities in elevator handrails according to this utility model.

[0017] Figure 3 This is a schematic diagram of the correction and clamping structure of an automatic screening device for impurities in elevator handrail belts according to the present invention;

[0018] Figure 4 This is a schematic diagram showing the connection of the flow guide seat, flow equalization seat, and flow equalization trough of an automatic screening device for raw material impurities in an elevator handrail belt according to this utility model.

[0019] In the diagram: 1. Screening box; 2. Base plate; 3. Connecting column; 4. Vibration spring; 5. Feed hopper; 6. No. 1 discharge hopper; 7. No. 2 discharge hopper; 8. Mounting frame; 9. Screening mesh; 10. Vibration motor; 11. Correction and clamping structure; 12. Connecting rod; 13. Correction plate; 14. Fixing frame; 15. Locking sleeve; 16. Locking pin; 17. Locking groove; 18. Flow guide seat; 19. Flow equalization seat; 20. Flow equalization groove; 21. Baffle. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1

[0022] Combination Figures 1-4 An automatic screening device for raw material impurities in elevator handrails includes a screening box 1 and a base plate 2. The base plate 2 is located below the screening box 1, and connecting columns 3 are fixedly connected to the upper surface of the base plate 2 near the four corners. Vibration springs 4 are connected between the connecting columns 3 and the screening box 1. A feed hopper 5 is fixedly installed on the top of the screening box 1, and a first discharge hopper 6 and a second discharge hopper 7 are fixedly connected to the end of the screening box 1. The second discharge hopper 7 is located below the first discharge hopper 6. A mounting frame 8 is fixedly connected to the inner side of the screening box 1, and a screening mesh plate 9 is clamped on the inner side of the mounting frame 8. A vibration motor 10 is fixedly connected to the center of the lower surface of the screening box 1, and a correction and clamping structure 11 is connected to the bottom of the screening box 1.

[0023] See Figure 1 and Figure 3Furthermore, the correction and clamping structure 11 includes a connecting rod 12, a correction plate 13, and a fixing frame 14. The connecting rod 12 passes through the bottom of the screening box 1, the correction plate 13 is fixed to the top of the connecting rod 12 and is located inside the screening box 1, and the fixing frame 14 is fixed to the bottom of the connecting rod 12.

[0024] Specifically, when the screening equipment is idle, the fixed frame 14 is pushed, and the connecting rod 12 moves accordingly. The connecting rod 12 drives the correction plate 13 to the bottom of the screening screen 9. The correction plate 13 corrects and tightens the screening screen 9, thereby correcting the deformation of the screening screen 9.

[0025] See Figure 3 Furthermore, a locking sleeve 15 is fitted on the outer surface of the connecting rod 12. The locking sleeve 15 is fixed to the lower surface of the screening box 1, and a locking pin 16 is screwed into the inside of the locking sleeve 15. A locking groove 17 that matches the locking pin 16 is opened inside the locking sleeve 15. The connecting rod 12 is fixedly connected to the locking sleeve 15 through the locking pin 16 and the locking groove 17, and the tilt angle of the connecting rod 12 and the screening box 1 is consistent.

[0026] Specifically, when calibration is required, the locking pin 16 is unscrewed, and the connecting rod 12 is disengaged from the locking sleeve 15. When calibration is not required, the connecting rod 12 is fixed to the locking sleeve 15 through the locking pin 16 and the locking groove 17, thereby achieving relative fixation of the calibration clamping structure 11.

[0027] Example 2

[0028] See Figure 1 and Figure 4 Furthermore, based on Embodiment 1, a flow guide seat 18 is fixedly connected to the inner side of the screening box 1 and below the feed hopper 5. A flow equalization seat 19 is fixedly connected to the end of the flow guide seat 18. The connection between the flow guide seat 18 and the flow equalization seat 19 is flush with each other. Multiple flow equalization grooves 20 are opened on the top of the flow equalization seat 19. Baffles 21 are fixedly connected to both sides of the flow guide seat 18.

[0029] Specifically, after the handrail belt material enters the screening equipment, the material falls onto the guide seat 18, which guides it to the flow equalization seat 19, and then disperses it onto the screening screen plate 9 through the flow equalization trough 20, which can prevent the handrail belt material from being unevenly distributed.

[0030] It should be noted that this utility model is an automatic screening device for impurities in elevator handrail belt raw materials. During use, the vibration motor 10 is started. The vibration motor 10, in conjunction with the vibration spring 4, causes the screening box 1 to vibrate. The handrail belt raw material is fed into the screening box 1 through the feed hopper 5. The raw material falls onto the guide seat 18, which guides it to the flow equalization seat 19. The flow equalization trough 20 then disperses it onto the screening screen plate 9. The screening screen plate 9 screens the mixture, and impurities that cannot pass through the mesh of the screening screen plate 9 are discharged through the first discharge hopper 6. The handrail belt raw material passes through the screening screen... The mesh of plate 9 falls to the bottom of screening box 1 and is discharged through the second discharge hopper 7. When no correction is needed, the connecting rod 12 is fixed to the locking sleeve 15 through the locking pin 16 and locking groove 17 to achieve relative fixation of the correction and clamping structure 11. When correction is needed, the locking pin 16 is unscrewed, the connecting rod 12 is disengaged from the locking sleeve 15, the fixing frame 14 is pushed, and the connecting rod 12 moves accordingly. The connecting rod 12 drives the correction plate 13 to reach below the screening mesh plate 9. The correction plate 13 corrects and clamps the screening mesh plate 9 to achieve correction of the deformation of the screening mesh plate 9.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. An automatic screening device for raw material impurities in elevator handrails, comprising a screening box (1) and a base plate (2), characterized in that: The base plate (2) is located below the screening box (1), and the upper surface of the base plate (2) is fixedly connected to the four corners. A vibration spring (4) is connected between the connecting column (3) and the screening box (1). A feed hopper (5) is fixedly installed on the top of the screening box (1), and a first discharge hopper (6) and a second discharge hopper (7) are fixedly connected to the end of the screening box (1). The second discharge hopper (7) is located below the first discharge hopper (6). An installation frame (8) is fixedly connected to the inner side of the screening box (1), and a screening mesh plate (9) is clamped on the inner side of the installation frame (8). A vibration motor (10) is fixedly connected to the center of the lower surface of the screening box (1), and a correction and clamping structure (11) is connected to the bottom of the screening box (1).

2. The automatic screening device for impurities in elevator handrail belt raw materials according to claim 1, characterized in that: The correction and clamping structure (11) includes a connecting rod (12), a correction plate (13), and a fixing frame (14). The connecting rod (12) passes through the bottom of the screening box (1). The correction plate (13) is fixed to the top of the connecting rod (12) and is located inside the screening box (1). The fixing frame (14) is fixed to the bottom of the connecting rod (12).

3. The automatic screening device for impurities in elevator handrail belt raw materials according to claim 2, characterized in that: The outer surface of the connecting rod (12) is fitted with a locking sleeve (15), the locking sleeve (15) is fixed to the lower surface of the screening box (1), and a locking pin (16) is screwed into the inside of the locking sleeve (15). A locking groove (17) that matches the locking pin (16) is opened inside the locking sleeve (15).

4. The automatic screening device for impurities in elevator handrail belt raw materials according to claim 3, characterized in that: The connecting rod (12) is fixedly connected to the locking sleeve (15) by the locking pin (16) and the locking groove (17), and the connecting rod (12) is at the same tilt angle as the screening box (1).

5. The automatic screening device for impurities in elevator handrail belt raw materials according to claim 1, characterized in that: A flow guide seat (18) is fixedly connected to the inner side of the screening box (1) and below the feed hopper (5). A flow equalization seat (19) is fixedly connected to the end of the flow guide seat (18). The connection between the flow guide seat (18) and the flow equalization seat (19) is flush with each other.

6. The automatic screening device for impurities in elevator handrail belt raw materials according to claim 5, characterized in that: The top of the flow equalization seat (19) is provided with multiple flow equalization grooves (20), and baffles (21) are fixedly connected to both sides of the flow guide seat (18).

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