Rubber band vibration feeding device
By designing a spiral track and a steering mechanism, the problems of failed and interrupted rubber band feeding were solved, achieving stable and continuous rubber band feeding, which is suitable for automated rubber band feeding in glove production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LINYI MINGXING INTELLIGENT TECH CO LTD
- Filing Date
- 2025-07-06
- Publication Date
- 2026-06-23
Smart Images
Figure CN224393711U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of glove production, and in particular to a vibrating feeding device for rubber bands. Background Technology
[0002] Gloves are a widely used type of work protection product. Gloves are generally produced by knitting on a glove knitting machine. After the gloves are produced by the glove knitting machine, they undergo subsequent processes, such as identifying defective products using automatic visual identification equipment, bundling them using automatic glove bundling and packaging equipment, and turning them over using automatic glove turning equipment. The glove turning equipment also involves bundling operations.
[0003] Current technology typically uses rubber bands to bundle stacks of gloves. Automated bundling requires feeding these rubber bands. One existing method uses a vibrating feeder to automatically feed the rubber bands. The feeder has a pulse electromagnet below its hopper, causing the hopper to vibrate vertically. An inclined spring plate then drives the hopper to oscillate around its vertical axis. The parts inside the hopper rise along a spiral track due to this vibration. During this ascent, they are filtered through a series of tracks, ensuring they are in a uniform state according to assembly or processing requirements and automatically enter the assembly or processing position.
[0004] However, existing vibratory feeders are used for feeding hard parts, such as screws and washers. Using such vibratory feeders for feeding rubber bands is not suitable, and problems such as feeding failure and interruption often occur. Utility Model Content
[0005] To address the problems of existing technologies, this utility model provides a rubber band vibration feeding device that ensures stable and continuous feeding of rubber bands.
[0006] The technical solution provided by this utility model is as follows:
[0007] A vibratory feeding device for rubber bands includes a hopper, the bottom of which has a feeding drive device to drive the hopper to vibrate and feed the rubber bands.
[0008] The inner wall of the hopper is provided with a spiral track extending spirally from bottom to top, and the bottom surface of the hopper is provided with a feeding transition surface, which smoothly connects the bottom surface of the hopper with the starting end of the spiral track.
[0009] A steering mechanism is provided at the set turning position of the spiral track, which is used to change the orientation of the rubber band lying flat on the spiral track to standing upright on the spiral track.
[0010] Furthermore, the steering mechanism includes a steering rib, the fixed end of which is connected to the inner side of the spiral track at the steering position, the free end of which points obliquely upward, and from the fixed end to the free end, the steering rib gradually approaches the inner wall of the hopper.
[0011] Furthermore, in the upward direction, the width of the spiral track gradually decreases to a set width.
[0012] Furthermore, the set width is a width that can only accommodate one rubber band.
[0013] Furthermore, in the upward direction, the height difference between the upper and lower layers of the spiral track gradually decreases to a set height difference.
[0014] Furthermore, the set height difference is a height difference that can only accommodate rubber bands no larger than a set size.
[0015] Furthermore, at least one drop position is provided on the spiral track, and the drop guide mechanism is used to guide the dropped rubber band to the next layer of spiral track.
[0016] Furthermore, the drop guide mechanism includes a drop guide surface or a drop guide rib.
[0017] Furthermore, the end of the spiral track is provided with a rubber band feeding position communicating with the end, and the rubber band feeding position is provided with a rubber band detector for detecting whether there is a rubber band on the rubber band feeding position.
[0018] Furthermore, an adjustable pressure plate is provided on the inner wall of the hopper, and the pressure plate is positioned above the spiral track of a set length at the end of the spiral track.
[0019] Furthermore, the side wall of the hopper has a notch at the material position on the rubber band, forming an outlet for impurities to fall off.
[0020] Furthermore, an air inlet is provided on the outside of the hopper at the material position on the rubber band, and the air inlet is directed upwards at the material position on the rubber band.
[0021] This utility model has the following beneficial effects:
[0022] This invention uses a feeding transition surface to smoothly connect the spiral track and the bottom surface of the hopper, ensuring that the rubber bands are easily fed onto the spiral track under the action of vibratory feeding. Furthermore, the steering mechanism 7 stands the lying rubber bands upright, and the upright rubber bands gradually move upwards along the spiral track under the action of vibratory feeding, thus achieving the feeding of the rubber bands. This invention is suitable for feeding rubber bands, solving problems such as feeding failure and interruption, and ensuring stable and continuous feeding. Attached Figure Description
[0023] Figure 1 This is a perspective view of the rubber band vibrating feeding device of this utility model from one direction;
[0024] Figure 2 This is a perspective view of the rubber band vibrating feeding device of this utility model from another direction;
[0025] Figure 3 This is a schematic diagram showing the coordination between the air inlet and the vibrating feeding device with rubber bands. Detailed Implementation
[0026] To make the technical problems, technical solutions and advantages of this utility model clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.
[0027] This utility model embodiment provides a rubber band vibratory feeding device, such as... Figure 1-3 As shown, the device includes a hopper 1 and a base 2. The bottom of the hopper 1 has a feeding drive device that drives the hopper 1 to vibrate and feed material. The feeding drive device is located inside the base 2. The feeding drive device includes a pulse electromagnet, which can cause the hopper to vibrate vertically, and an inclined spring plate drives the hopper to oscillate around its vertical axis. The base 2 and the feeding drive device are common structures of existing vibrating feeding discs and are known technologies. This application directly uses this known technology without making any improvements. The improvement of this application lies in the various structures of the hopper 1.
[0028] The inner wall of the hopper 1 is provided with a spiral track 3 extending spirally from bottom to top, and the bottom surface 4 of the hopper is provided with a feeding transition surface 5, which smoothly connects the bottom surface 4 of the hopper with the starting end 6 of the spiral track 3.
[0029] The feeding transition surface 5 can be a smooth surface such as an arc or an inclined surface, and the connection between the feeding transition surface 5 and the bottom surface 4 of the hopper and the starting end 6 of the spiral track 3 is also a smooth transition connection, ensuring that the rubber band can be correctly fed onto the spiral track 3. When the rubber band is fed onto the spiral track, its posture is a flat position.
[0030] A steering mechanism 7 is provided at the set turning position of the spiral track 3. The steering mechanism 7 is used to change the direction of the rubber band lying flat on the spiral track 3 to be upright on the spiral track 3.
[0031] After the rubber band is laid flat on the spiral track 3, it gradually moves upward along the spiral track under the action of vibrating feeding. When it reaches the turning position (the turning position can be selected as needed), the flat rubber band is stood up by the action of the turning mechanism 7. The stood rubber band continues to move upward along the spiral track under the action of vibrating feeding until the end of the spiral track 3, thus completing the rubber band feeding.
[0032] This invention uses a feeding transition surface 5 to smoothly connect the spiral track 3 and the bottom surface 4 of the hopper, ensuring that the rubber bands are easily fed onto the spiral track 3 under the action of vibratory feeding. Furthermore, a steering mechanism 7 stands the flat rubber bands upright, and the upright rubber bands gradually move upwards along the spiral track under the action of vibratory feeding, thus achieving the feeding of the rubber bands. This invention is suitable for feeding rubber bands, solving problems such as feeding failure and interruption, and ensuring stable and continuous feeding.
[0033] As an improvement of this utility model embodiment, the aforementioned steering mechanism 7 includes a steering rib, the fixed end of which is connected to the inner side of the spiral track 3 at the steering position, the free end of which points obliquely upward, and from the fixed end to the free end, the steering rib gradually approaches the inner wall of the hopper 1.
[0034] When the rubber band is moved horizontally to the turning rib, the inner side of the rubber band is on the spiral track 3 and the outer side is on the turning rib. The turning rib gradually tilts upward and gradually approaches the inner wall of the hopper 1, so that the outer side of the rubber band gradually moves upward and gradually approaches the inner wall of the hopper 1, eventually standing the rubber band upright.
[0035] As a preferred option, the upward tilt angle of the steering rib is greater than that of the spiral track 3. That is, from the fixed end to the free end of the steering rib, the height of the steering rib gradually increases to be higher than that of the spiral track 3, making it easier to stand the rubber band upright.
[0036] When feeding rubber bands, simply place a bunch of rubber bands directly into hopper 1. However, in actual use, due to the manufacturing process of rubber bands, there may be some irregularly shaped rubber bands with diameters that are too large or too small. These irregularly shaped rubber bands may not be suitable for bundling gloves. For example, rubber bands that are too small are easy to break, while rubber bands that are too large cannot provide good elasticity for stacks of gloves.
[0037] The steering rib of this utility model also has a certain screening function, which allows the smaller diameter irregular rubber bands to fall onto the bottom surface 4 of the hopper, and prevents the feeding of smaller diameter irregular rubber bands.
[0038] After the rubber bands are fed into the spiral track 3 and erected by the steering ribs, there may not be only one rubber band at the same position on the spiral track 3; there may be multiple rubber bands arranged side by side in the width direction.
[0039] To solve this problem, this invention limits the width of the spiral track 3. Specifically, the width of the spiral track 3 gradually decreases to a set width from bottom to top. For example, the set width is reduced to a width that can only accommodate one rubber band.
[0040] By gradually reducing the width of the spiral track 3, the outer rubber bands of the multiple rubber bands arranged side by side fall off, leaving only one rubber band in the end.
[0041] Furthermore, to filter out rubber bands with excessively large diameters, in this invention, the height difference between the upper and lower layers of the spiral track 3 gradually decreases to a predetermined height difference in the upward direction. This predetermined height difference is designed to accommodate rubber bands no larger than a set size.
[0042] When the diameter of the rubber band is too large, the upper and lower spiral tracks 3 exert significant pressure on the excessively large rubber band, causing it to deform considerably. However, due to the narrow width of the spiral tracks 3, when the rubber band deforms excessively, it cannot remain stable within the spiral tracks 3 under the influence of a large elastic force. The excessively large rubber band is prone to falling out of the spiral tracks 3 under the influence of a large elastic force, thus requiring the screening of rubber bands with excessive diameters and preventing them from being used.
[0043] Please note that for normal-sized rubber bands, the upper and lower spiral tracks 3 are allowed to exert minimal compressive deformation. This minimal deformation results in very little elasticity and does not affect the feeding of normal-sized rubber bands. Therefore, the height difference between the upper and lower spiral tracks 3 can be set to a level that does not affect the feeding of normal-sized rubber bands and can also screen out excessively large rubber bands.
[0044] As another improvement of this utility model embodiment, a drop guide mechanism 8 is provided at at least one drop position of the spiral track 3, and the drop guide mechanism 8 is used to guide the dropped rubber band to the next layer of spiral track 3.
[0045] The drop guide mechanism 8 can be located on the outside of the spiral track 3, and the width of the spiral track 3 inside the drop guide mechanism 8 can be set to accommodate only one rubber band. This arrangement ensures that when the rubber band passes the drop position, only one rubber band passes through the spiral track 3, while other overlapping rubber bands fall from the drop guide mechanism 8.
[0046] The drop guide mechanism 8 guides the falling rubber band to the next layer of spiral track 3, from where it continues to move upwards, instead of falling directly onto the bottom surface 4 of the hopper, thus reducing the feeding time.
[0047] Specifically, the drop guide mechanism 8 can be a guide surface, such as... Figure 1 , 2 As shown, the guide surface shape and tilt angle guide the fallen rubber band to the next layer of spiral track 3.
[0048] The drop guide mechanism 8 can also be a guide rib. The guide rib is similar to the steering rib, but the difference is that the guide rib is inclined downwards and points to the next layer of spiral track 3.
[0049] The end 9 of the spiral track 3 is provided with a rubber band feeding position 10 connected to the end 9. The rubber band feeding position 10 is provided with a rubber band detector 11 for detecting whether there is a rubber band on the rubber band feeding position 10.
[0050] Under the action of vibration feeding, the rubber band eventually enters the rubber band feeding position 10 for removal and use. The rubber band detector 11 on the rubber band feeding position 10 can be a photoelectric sensor, which detects whether there is a rubber band on the rubber band feeding position 10.
[0051] An adjustable pressure plate 14 is provided on the inner wall of the hopper 1, and the pressure plate 14 is located above the end section of the spiral track.
[0052] The height of the pressure plate 14 can be adjusted to exert slight pressure on the normal rubber band, causing slight deformation and generating slight tension. Under this slight tension, the rubber band can more easily enter the rubber band loading position 10 in a better posture.
[0053] The side wall of hopper 1 has a notch at the rubber band feeding position 10, forming an impurity drop outlet 12. When there are impurities in hopper 1, the impurities will also be fed along the spiral track due to vibration. The fed impurities will eventually accumulate on the rubber band feeding position 10, which not only requires frequent cleaning, but may even affect the feeding of rubber bands in severe cases.
[0054] This invention features an impurity drop-off opening 12 on the side wall of the rubber band feeding position 10, allowing impurities to fall out of the hopper 1 and prevent them from affecting the feeding of the rubber band. To ensure the smooth drop of impurities, the lowest point of the impurity drop-off opening 12 is lower than the bottom surface of the rubber band feeding position 10.
[0055] An air inlet 13 may also be provided on the outside of the hopper 1 at the rubber band feeding position 10, with the air inlet 13 being aligned with the rubber band feeding position 10 at an angle upward.
[0056] When the rubber band cannot be removed by the rubber band clamp or other devices due to incorrect posture of the rubber band on the feeding position, the rubber band on the feeding position 10 is blown away through the air blowing port 13. The air blowing port 13 blows air upwards at an angle, and the blown-away rubber band falls back into the hopper 1.
[0057] At the same time, the air inlet 13 can also remove impurities at the rubber band feeding position 10 to a certain extent.
[0058] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.
Claims
1. A vibratory feeding device for rubber bands, characterized in that, Includes a hopper, the bottom of which has a feeding drive device for driving the hopper to vibrate and feed materials, wherein: The inner wall of the hopper is provided with a spiral track extending spirally from bottom to top, and the bottom surface of the hopper is provided with a feeding transition surface, which smoothly connects the bottom surface of the hopper with the starting end of the spiral track. A steering mechanism is provided at the set turning position of the spiral track, which is used to change the orientation of the rubber band lying flat on the spiral track to standing upright on the spiral track.
2. The rubber band vibrating feeding device according to claim 1, characterized in that, The steering mechanism includes a steering rib, the fixed end of which is connected to the inner side of the spiral track at the steering position, the free end of which points obliquely upward, and from the fixed end to the free end, the steering rib gradually approaches the inner wall of the hopper.
3. The rubber band vibrating feeding device according to claim 2, characterized in that, In the upward direction, the width of the spiral track gradually decreases to a set width.
4. The rubber band vibrating feeding device according to claim 3, characterized in that, The set width is the width that can only accommodate one rubber band.
5. The vibratory feeding device for rubber bands according to claim 2, characterized in that, In the upward direction, the height difference between the upper and lower layers of the spiral track gradually decreases to a set height difference.
6. The vibratory feeding device for rubber bands according to claim 5, characterized in that, The set height difference is the height difference that can only accommodate rubber bands no larger than the set size.
7. The vibratory feeding device for rubber bands according to any one of claims 1-6, characterized in that, At least one designated drop position on the spiral track is provided with a drop guide mechanism, which is used to guide the dropped rubber band to the next layer of the spiral track.
8. The vibratory feeding device for rubber bands according to claim 7, characterized in that, The drop guide mechanism includes a drop guide surface or a drop guide rib.
9. The vibratory feeding device for rubber bands according to claim 7, characterized in that, The end of the spiral track is provided with a rubber band feeding position that communicates with the end, and the rubber band feeding position is provided with a rubber band detector for detecting whether there is a rubber band on the rubber band feeding position.
10. The rubber band vibrating feeding device according to claim 9, characterized in that, The inner wall of the hopper is provided with a height-adjustable pressure plate, which is positioned above a set length of spiral track at the end of the spiral track.
11. The vibratory feeding device for rubber bands according to claim 9, characterized in that, The side wall of the hopper has a notch at the material position on the rubber band, forming an outlet for impurities to fall off.
12. The rubber band vibrating feeding device according to claim 9, characterized in that, An air inlet is provided on the outside of the hopper at the material position on the rubber band, and the air inlet is directed upwards at the material position on the rubber band.