Improved rubber band screening device

Abstract

The utility model discloses an improved rubber band screening device. The improved rubber band screening device comprises a vibration disc provided with a hopper and a feeding track. The feeding track is arranged on the inner wall of the hopper and ascends spirally; the hopper is provided with a material falling opening which is movably provided with a baffle. The baffle can change the opening height of the material falling opening. According to the utility model, the baffle plate can change the height of the material falling opening, so that the height of the material falling opening is adjusted to be smaller than the diameter of a rubber band and larger than the radius of the rubber band, the complete and qualified rubber band cannot fall out of the material falling opening with the height, but the rubber band in the shape of 8 or a broken arc cannot fall out of the material falling opening due to the overall height smaller than the diameter of the rubber band and about the radius of the rubber band; and at the moment, the rubber bands fall out from the falling opening, so that defective rubber bands can fall off in the spiral rising process of the feeding track, it is guaranteed that the rubber bands at the discharging opening of the feeding track are qualified products, and the accuracy rate of screening the rubber bands is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveying machinery technical field, especially relates to an improved rubber band screening device. BACKGROUND

[0002] Many articles (such as packing bag) will use rubber band to bundle, in order to adapt to automatic production equipment, need to match and provide automatic rubber band screening device, can improve the screening efficiency of article after production. For example patent no. CN201821799536.4 discloses rubber band screening device. However, the screening device of the vibration disc conveying rubber band has the following defects in the batch production process:

[0003] 1, it is screened in the feeding track before two rubber band stacks are sent, and the limiting baffle of V type is fixed; The limiting gap is a fixed value, which is difficult to adjust; Different manufacturers purchase different rubber band materials, and different thickness and width of rubber band is purchased, if the limiting gap is less than the thickness of the rubber band, it is difficult to adjust, and the rubber band jam phenomenon is easy to appear.

[0004] 2, rubber band stock, usually a large number of accumulation together; In the production process of the manufacturer, it is difficult to avoid that the defective products of the rubber band are partially bonded to "8" type or broken to arc shape; These defective products can also move in the vibration disc and the feeding track, but they are jammed in the discharge port and cannot be sent out from the discharge port; And the photoelectric sensor can still detect the existence of rubber band material in the discharge port; So it can't continuously send out the rubber band; Lead to the packaging and binding of packaging bag and other products to form defects. Workers can find and pick out the corresponding defective rubber band after a period of time.

[0005] Therefore, further improvement is needed. UTILITY MODEL CONTENT

[0006] The utility model aims at at least one of the technical problems existing in the prior art. To this end, the utility model provides an improved rubber band screening device.

[0007] The utility model of an embodiment solves the technical problems thereof by adopting the technical scheme of an improved rubber band screening device, which comprises a vibration disc with a hopper and a feeding track; The feeding track is arranged on the inner wall of the hopper, and the feeding track spirally rises.

[0008] The hopper is provided with a baffle.

[0009] Optionally, the baffle is movably arranged in the drop port, and the baffle can change the height of the drop port opening.

[0010] Optionally, the hopper is provided with a sliding limiting groove in the form of a longitudinally extending strip; and the baffle is locked to the sliding limiting groove by a locking member.

[0011] Optionally, the hopper is provided with a limiting fixed plate on the outside thereof; the sliding limiting groove is arranged on the limiting fixed plate; the baffle is arranged on the inner wall of the limiting fixed plate and is movable in the dropping opening; and the outer edge of the inner wall of the baffle is close to or abuts against the outer edge of the inner side of the dropping opening.

[0012] Optionally, the dropping opening is arranged above the hopper.

[0013] Optionally, the hopper is provided with a material blocking and screening assembly on the outside thereof; the material blocking and screening assembly comprises a movable blocking block; the hopper is provided with a blocking block movable opening on one side of the feeding track; and the blocking block is movable through the blocking block movable opening to change the limiting gap between the blocking block and the feeding track.

[0014] Optionally, the material blocking and screening assembly further comprises a blocking block fixed seat; and the blocking block is rotatably mounted on the blocking block fixed seat.

[0015] Optionally, a plurality of chip removal openings are arranged on the side of the groove bottom of the feeding track.

[0016] Optionally, the hopper is provided with a photoelectric sensor at the discharging opening of the feeding track.

[0017] The hopper is provided with a dropping opening, the dropping opening is movably provided with a baffle, the baffle can change the height of the opening of the dropping opening, so that the height of the dropping opening is adjusted to be less than the diameter of a rubber band and greater than the radius of the rubber band, the dropping opening with the height can not drop the complete qualified rubber band, but the rubber band in the form of "8" or broken arc can drop out of the dropping opening due to the overall height being less than the diameter of the rubber band and being approximately the height of the radius of the rubber band, so that the defective rubber band can be dropped during the spiral ascending of the rubber band on the feeding track, the rubber band at the discharging opening of the feeding track is guaranteed to be a qualified product, and the accuracy of screening the rubber band is guaranteed.

[0018] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above-mentioned and / or additional aspects and advantages of the present application will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 It is a structural schematic view of the rubber band screening device of the present application.

[0021] Figure 2 It isFigure 1 Structure diagram of another perspective of the middle tendon screening device.

[0022] Explanation of main element symbols:

[0023] 10, hopper; 11, dropping port; 12, movable block opening; 13, chip discharge port; 20, feeding track; 30, baffle; 31, sliding limiting groove; 32, limiting fixed plate; 40, material blocking and screening assembly; 41, material blocking block; 42, material blocking fixed seat; 50, photoelectric sensor. DETAILED DESCRIPTION

[0024] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.

[0025] In the description of the present application, the meaning of multiple is more than two, greater than, less than, more than, etc. is not included in the number, above, below, within, etc. is included in the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0026] In the description of the present application, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0027] In the present application, unless otherwise explicitly limited, the words "set", "install", "connect" and the like should be broadly understood, for example, they can be directly connected, or indirectly connected through an intermediate medium; can be fixedly connected, or can be detachably connected, or can be integrally formed; can be mechanically connected; can be the internal communication or interaction relationship of two elements. The skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0028] Embodiment

[0029] Reference Figure 1 and Figure 2The utility model provides a kind of improved rubber band screening device, including the vibration tray with hopper 10 and feeding track 20;Feeding track 20 is arranged on the inner wall of hopper 10, and feeding track 20 spirally rises;

[0030] Hopper 10 is provided with baffle 30 in drop port 11.

[0031] In the utility model, hopper 10 is provided with drop port 11, the drop port 11 movably provided with baffle 30, baffle 30 can change the height of drop port 11 opening, so that the height of drop port 11 is adjusted to be less than the diameter of a rubber band and greater than the range of rubber band radius, the height of the drop port, complete qualified rubber band cannot drop out, but the rubber band in the shape of "8" or broken arc, since the overall height is less than the diameter of rubber band, about the height of rubber band radius, at this time, it will drop out from drop port, so that rubber band can drop out defective product in the process of spirally rising in feeding track 20, ensure that the rubber band of feeding track 20 discharge port is qualified product, ensure the accuracy of screening rubber band.

[0032] Specifically, in order to facilitate the opening height span of standard drop port 11, the baffle 30 is movably arranged in the drop port 11, and the baffle 30 can change the height of the opening of the drop port 11.

[0033] In the embodiment, the hopper 10 is provided with a sliding limiting groove 31 extending in a longitudinal direction; the baffle 30 is locked in the sliding limiting groove 31 by a locking member. By changing the height of the locking member in the sliding limiting groove 31, the movable height of the baffle 30 can be changed, thereby changing the height of the opening of the drop port 11. Specifically, the locking member can be a locking bolt.

[0034] In the embodiment, the hopper 10 is provided with a limiting fixed plate 32 on the outside; the sliding limiting groove 31 is arranged in the limiting fixed plate 32; the baffle 30 is arranged on the inner wall of the limiting fixed plate 32 and can move in the drop port 11; the inner wall of the baffle 30 is close to or attached to the outer edge of the inner side of the drop port 11. By arranging the limiting fixed plate 32 on the outside and arranging the sliding limiting groove 31 on the limiting fixed plate 32, the baffle 30 can be attached to the inner side of the limiting fixed plate 32, and the inner wall of the baffle 30 can be close to or attached to the outer edge of the inner side of the drop port 11, so that the rubber band can smoothly transition from the hopper 10 to the baffle 30 when passing through the baffle 30; the phenomenon of material jamming caused by the staggered layers of the baffle 30 and the drop port 11 is reduced.

[0035] In the embodiment, the dropping port 11 is arranged above the hopper 10, and is arranged close to the last section of the spiral ascending feeding track 20. When the rubber band is close to the end of the feeding track 20 in the vibration feeding process of the vibration disc, the rubber band is basically in a single forward feeding state, so that the defective rubber band can be better dropped and picked out one by one.

[0036] In the embodiment, the hopper 10 is provided with a material blocking and screening assembly 40 outside; the material blocking and screening assembly 40 comprises a movable material blocking block 41; the hopper 10 is provided with a blocking block movable opening 12 on one side of the feeding track 20; the material blocking block 41 can move through the blocking block movable opening 12 to change the limiting gap between the material blocking block 41 and the feeding track 20. The movable material blocking block 41 can flexibly adjust the width of the limiting gap according to the thickness of the rubber band, so that the forward feeding state of the single rubber band can be correspondingly adjusted according to different rubber band specifications; the additional rubber band can be squeezed out of the feeding track 20 by the material blocking block 41.

[0037] Specifically, the material blocking and screening assembly 40 further comprises a material blocking fixed seat 42; the material blocking block 41 is rotatably installed on the material blocking fixed seat 42. The material blocking block 41 has an inclined transition surface along the advancement of the rubber band in the feeding track 20, so that the rubber band can be smoothly forwarded and pass through the limiting gap, and the rubber band is not prone to be stuck.

[0038] In the embodiment, a plurality of chip removal openings 13 are arranged on the groove bottom side of the feeding track 20. The chip removal openings 13 can timely vibrate and remove the dust and chip particles accumulated in the feeding track 20, so as to avoid the oil and grease condensation of the rubber band raw material, and affect the smoothness of the inner wall of the hopper 10.

[0039] In the embodiment, the hopper 10 is provided with a photoelectric sensor 50 at the discharge port of the feeding track 20.

[0040] In addition, the movable baffle 30 can also change the height of the dropping port 11 by replacing baffles 30 of different sizes, and this replacement of the baffle 30 also belongs to the "movable" category in the technical scheme of the utility model. The baffle 30 can also change the height of the opening of the dropping port 11.

[0041] Of course, the utility model is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications and replacements are all included in the range defined by the claims of the application.

Claims

1. An improved rubber band screening device, comprising a vibrating disc with a hopper (10) and a feeding track (20); the feeding track (20) is arranged on the inner wall of the hopper (10), and the feeding track (20) spirally rises; characterized in that: the hopper (10) is provided with a discharge opening (11), and the discharge opening (11) is provided with a baffle (30).

2. The improved elastic band screening device of claim 1, wherein: The baffle (30) is movably arranged in the discharge opening (11), and the baffle (30) can change the height of the opening of the discharge opening (11).

3. The improved elastic band screening device of claim 2, wherein: The hopper (10) is provided with a sliding limiting groove (31) extending in the longitudinal direction; the baffle (30) is locked in the sliding limiting groove (31) by a locking member.

4. The improved elastic band screening device of claim 3, wherein: The outer side of the hopper (10) is provided with a limiting fixed plate (32); the sliding limiting groove (31) is arranged on the limiting fixed plate (32); the baffle (30) is arranged on the inner wall of the limiting fixed plate (32) and can move in the discharge opening (11); the inner wall of the baffle (30) is close to or adheres to the outer edge of the inner side of the discharge opening (11).

5. The improved elastic band screening device of claim 1, wherein: The discharge opening (11) is arranged above the hopper (10).

6. The improved elastic band screening device of claim 1, wherein: The outer side of the hopper (10) is provided with a material blocking and screening assembly (40); the material blocking and screening assembly (40) comprises a movable material blocking block (41); the hopper (10) is provided with a blocking block moving opening (12) on one side of the feeding track (20); the material blocking block (41) can move through the blocking block moving opening (12) to change the limiting gap between the material blocking block (41) and the feeding track (20).

7. The improved elastic band screening device of claim 6, wherein: The material blocking and screening assembly (40) further comprises a material blocking fixed seat (42); the material blocking block (41) is rotatably installed on the material blocking fixed seat (42).

8. The improved elastic band screening device of claim 1, wherein: The groove bottom side of the feeding track (20) is provided with a plurality of chip removal openings (13).

9. The improved elastic band screening device of claim 1, wherein: The hopper (10) is provided with a photoelectric sensor (50) at the discharge opening of the feeding track (20).

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