Rubber band feeding mechanism for tray packaging

Abstract

The utility model provides a rubber band feeding mechanism for tray packing, which comprises a rubber band feeding device and a rubber band loading device, the rubber band feeding device comprises a first turntable, and a plurality of rubber band frames are placed above the first turntable; the rubber band feeding device is arranged over the rubber band supply device and comprises a first mounting base, a rotating base is rotationally mounted on the first mounting base, the rotating axis of the rotating base is parallel to the horizontal plane, a first driving mechanism is arranged on the first mounting base, and a second mounting base is slidably matched with the end of the rotating base. The sliding direction of the second mounting base is perpendicular to the rotating axis of the rotating base, a second driving device connected with the second mounting base is arranged on the rotating base, and a clamping device capable of clamping the rubber band frame is arranged at the end of the second mounting base. The rubber band feeding mechanism for charging tray packaging is compact in structure, small in installation space, capable of achieving rapid feeding and feeding of rubber bands, reliable in operation and capable of providing rapid and stable feeding for charging tray packaging.

Description

Technical Field

[0001] The utility model relates to a tray packing device, in particular to an elastic band feeding mechanism for tray packing. Background Art

[0002] During the processing of optical lenses, the optical lenses need to be placed in a containing component for convenient turnover and multi-step processing of the optical lenses. The containing component is generally composed of a plate A and a plate B. The plate A serves as a bottom plate for placing the lenses, and the plate B serves as a cover plate for covering to prevent the lenses from falling, facilitating the storage and handling of the lenses.

[0003] The above-mentioned containing component is also called a tray. For convenient handling, when leaving the warehouse, the trays are packed. Usually, multiple trays are tied with elastic bands to form a whole, which is convenient for handling. In the prior art, the packing is usually carried out manually, which is inconvenient to operate, has low efficiency, and is easy to knock over the trays. Therefore, there is an urgent need to develop a packing device that can automatically pack and feed elastic bands. Summary of the Utility Model

[0004] Technical Problems to be Solved

[0005] The technical problem to be solved by the utility model is to provide an elastic band feeding mechanism for tray packing, which has a compact structure and can realize automatic feeding and loading of elastic bands.

[0006] Technical Solutions for Solving the Problems

[0007] The utility model provides an elastic band feeding mechanism for tray packing, which comprises:

[0008] An elastic band feeding device 22, comprising a first turntable 2201 capable of realizing horizontal rotation. An elastic band rack 29 is placed above the first turntable 2201, and a plurality of elastic band racks 29 are circumferentially and evenly distributed.

[0009] An elastic band loading device 21, arranged directly above the elastic band feeding device 22, for moving the elastic band rack 29 on the elastic band feeding device 22 to an elastic band tying station. It comprises a first mounting seat 2101, on which a rotating seat 2102 is rotatably mounted. The rotation axis of the rotating seat 2102 is parallel to the horizontal plane. A first driving mechanism for driving the rotation of the rotating seat 2102 is provided on the first mounting seat 2101. A second mounting seat 2107 is slidably fitted at the end of the rotating seat 2102. The sliding direction of the second mounting seat 2107 is perpendicular to the rotation axis of the rotating seat 2102. A second driving device 2109 for driving the sliding of the second mounting seat 2107 to realize expansion and contraction is provided on the rotating seat 2102. A clamping device capable of clamping the elastic band rack 29 is provided at the end of the second mounting seat 2107.

[0010] Further, the clamping device includes a first guide rail 2110 disposed at the end of the second mounting base 2107. Two first sliders 2111 are symmetrically and slidably mounted at both ends of the first guide rail 2110. The sliding direction of the first sliders 2111 is perpendicular to the sliding direction of the second mounting base 2107. Claw 2112 is provided on the first slider 2111. A clamping area is formed between the two claws 2112. A claw cylinder 2113 is provided on the second mounting base 2107. The output shaft of the claw cylinder 2113 is connected to the first slider 2111 and is used to clamp or release the claws.

[0011] Further, a positioning hole 2902 is provided at the center of the top of the rubber band holder 29. A positioning shaft 2114 capable of inserting into the positioning hole 2902 and achieving radial positioning is provided at the end of the second mounting base 2107.

[0012] Further, the turntable 2102 is rotatably mounted on the first mounting base 2101 through the main shaft 21021. The first driving mechanism includes a gear 2103 fixed to the end of the main shaft 21021, a rack 2105 meshing with the gear 2103, and a first cylinder 2106 connected to the rack 2105 and used to drive its axial movement.

[0013] Further, there are two first driving mechanisms, which are symmetrically arranged on both sides of the first mounting base 2101.

[0014] Further, a second slider 2104 is slidably mounted on the side wall of the first mounting base 2101. The sliding direction of the second slider 2104 is perpendicular to the axis of the main shaft 21021. The rack 2105 is fixed on the second slider 2104. The output shaft of the first cylinder 2106 is connected to the second slider 2104 and is used to drive its sliding.

[0015] Further, a guide rod 2108 is fixed to the rear end of the second mounting base 2107. The length direction of the guide rod 2108 is perpendicular to the rotation axis of the turntable 2102. A guide hole for the guide rod 2108 to pass through and achieve sliding fit is provided on the turntable 2102. The second driving device 2109 is a cylinder, and its output end is connected to the second mounting base 2107.

[0016] Further, a first contact switch and a second contact switch are provided on the first mounting base 2101. When the turntable 2102 rotates to the vertical state, the first contact switch can be triggered. When the turntable 2102 rotates to the horizontal state, the second contact switch can be triggered.

[0017] Further, third contact switches are provided at both limit positions of the second mounting base 2107.

[0018] Further, the rubber band holder 29 includes a frame-shaped bracket 2903. The top of the frame-shaped bracket 2903 is provided with a top plate 2901. The edge of the top plate 2901 is provided with a convex part 2904 that can be clamped and fixed by the clamping device. The side wall of the frame-shaped bracket 2903 is provided with a card slot 2903a for clamping the rubber band. There are multiple card slots, which are equidistantly arranged along the length direction of the frame-shaped bracket 2903.

[0019] Beneficial effects

[0020] The rubber band feeding mechanism for tray packaging of the present utility model is arranged in an up-and-down structure, reducing the overall occupied space, with a compact structure and a small installation space; adopting a rotary feeding structure, it can realize rotary feeding, with a simple structure, low manufacturing cost, and reliable operation. At the same time, the rotary space and the occupied space are small, which is conducive to the miniaturization of the equipment; the rotating seat is driven by a rack and gear, with low manufacturing cost, large driving force, and stable and reliable use; positioning components are arranged on the rubber band holder, which can achieve precise positioning with the clamping device, improve the positioning accuracy of grasping and the reliability of clamping, and avoid deflection; the rubber band feeding mechanism for tray packaging of the present utility model has a compact structure, a small installation space, can realize rapid feeding and loading of rubber bands, operates reliably, and provides rapid and stable feeding for tray packaging. Description of the drawings

[0021] Figure 1 It is a schematic structural diagram of the rubber band feeding mechanism for tray packaging of the present utility model;

[0022] Figure 2 It is a schematic structural diagram of the rubber band feeding device of the rubber band feeding mechanism for tray packaging of the present utility model;

[0023] Figure 3 It is a schematic structural diagram of the rubber band holder of the rubber band feeding mechanism for tray packaging of the present utility model;

[0024] Figure 4 It is a schematic diagram of the feeding of the rubber band feeding mechanism for tray packaging of the present utility model;

[0025] Figure 5 It is a schematic structural diagram of the rubber band loading device of the rubber band feeding mechanism for tray packaging of the present utility model;

[0026] Figure 6 It is a schematic structural diagram of the clamping device of the rubber band feeding mechanism for tray packaging of the present utility model;

[0027] Figure 7 It is a schematic structural diagram of the first driving mechanism of the rubber band feeding mechanism for tray packaging of the present utility model. Detailed implementation manners

[0028] The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

[0029] Refer to Figures 1-7 , the present utility model provides a rubber band feeding mechanism for tray packing, including an installation platform 1, a rubber band feeding device 22 arranged below the installation platform 1, and a rubber band loading device 21 arranged on the installation platform 1.

[0030] The rubber band feeding device 22 includes a first turntable 2201, which is horizontally arranged and can rotate horizontally, that is, its rotation axis is perpendicular to the horizontal plane. A first driving motor 2203 is arranged at the lower end of the first turntable 2201, and the output end of the first driving motor 2203 is connected to the first turntable to drive the first turntable 2201 to rotate. A plurality of rubber band racks 29 are placed above the first turntable 2201, and they are circumferentially evenly distributed; in order to improve the placement accuracy and avoid deflection during rotation, a plurality of placement grooves 2202 are circumferentially evenly distributed on the top surface of the first turntable, which can just accommodate the lower ends of the rubber band racks 29 to be inserted, so as to realize the placement of the rubber band racks on the first turntable.

[0031] The rubber band feeding device 21 is located directly above the rubber band supply device 22 and is used to move the rubber band rack 29 on the rubber band supply device 22 to the rubber band binding station. Therefore, a working hole 10 is provided on the installation platform 1 for the rubber band feeding device to pick up and feed the rubber bands. The rubber band feeding device 21 includes a first mounting seat 2101, on which a rotating seat 2102 is rotatably mounted. The rotation axis of the rotating seat 2102 is parallel to the horizontal plane. At the same time, a first driving mechanism is provided on the first mounting seat 2101, and this first driving mechanism is used to drive the rotating seat 2102 to rotate; in this embodiment, main shafts 21021 are provided on both sides of the rotating seat 2102, and the rotating seat 2102 is rotatably mounted on the first mounting seat 2101 through the main shafts 21021. The first driving mechanism includes a gear 2103, a rack 2105 and a first cylinder 2106. The gear 2103 is fixed to the end of the main shaft 21021, and the first cylinder 2106 is fixed to the side wall of the first mounting seat 2101. Its output end is connected to the rack 2105 and is used to drive the rack to move axially. This rack meshes with the gear 2103 and is used to drive the gear to rotate, and then drive the rotating seat to rotate; in order to improve the driving stability and reliability, in this embodiment, a second slider 2104 is slidably fitted on the side wall of the first mounting seat 2101. The sliding direction of this second slider 2104 is perpendicular to the axis of the main shaft 21021. In order to reduce the installation space, the second slider in this application slides horizontally. The rack 2105 is fixed to the second slider 2104, and the output shaft of the first cylinder 2106 is connected to this second slider 2104, and the sliding of the rack is driven by driving the sliding of the second slider 2104; in order to improve the rotation stability of the rotating seat and avoid the generation of a lever arm, in this embodiment, there are two first driving mechanisms, and they are symmetrically arranged on both sides of the first mounting seat 2101.

[0032] A second mounting seat 2107 is slidably fitted at the end of the rotating seat 2102. The sliding direction of this second mounting seat 2107 is perpendicular to the rotation axis of the rotating seat 2102. A second driving device 2109 is provided on the rotating seat 2102. This second driving device 2109 is connected to the second mounting seat 2107 and is used to drive its sliding, thereby realizing expansion and contraction. In this embodiment, a plurality of guide rods 2108, preferably four, are fixed to the rear end of the second mounting seat 2107. The length direction of this guide rod 2108 is perpendicular to the rotation axis of the rotating seat 2102. At the same time, guide holes corresponding to the guide rods are provided on the rotating seat 2102, and these guide holes can accommodate the guide rods 2108 to pass through, thereby realizing the sliding fit of the second mounting seat. In order to improve the running accuracy, while reducing the production difficulty and cost, a guide sleeve is provided in the guide hole, and the guide rod is slidably fitted in this guide sleeve; the second driving device 2109 is a cylinder, which is fixed on the rotating seat and its length direction is parallel to the length direction of the guide rod. Its output end passes through the rotating seat and is connected to the second mounting seat, and is used to drive the movement of the second mounting seat.

[0033] In this application, a first contact switch and a second contact switch are provided on the first mounting base 2101. When the rotating base 2102 rotates to the vertical state, the first contact switch can be triggered. At this time, the clamping device faces downward and is used to clamp the rubber band holder on the first turntable or place the empty rubber band holder on the first turntable. When the rotating base 2102 rotates to the horizontal state, the second contact switch can be triggered. At this time, it is in the rubber band binding material station and can supply rubber bands to the rubber band binding mechanism (applied in another case) at this station. In this application, the rotation angle of the rotating base is 90 degrees, that is, from the vertical picking and placing state to the horizontal working state. At the same time, third contact switches are provided at both limit positions of the second mounting base 2107. The third contact switches are arranged at both ends of the guide rod. For the convenience of installation, the first third contact switch is arranged at the end of the rotating base and faces the second mounting base, and the second third contact switch is arranged at the end of the guide rod. For the convenience of installation, connecting plates are arranged at the ends of two of the guide rods, and the second third contact switch is installed on the connecting plate.

[0034] A clamping device is provided at the end of the second mounting base 2107 for clamping and fixing the rubber band holder 29. The clamping device includes a first guide rail 2110. The first guide rail 2110 is arranged at the end of the second mounting base 2107. There are two of them and they are arranged in parallel. First sliders 2111 are symmetrically slidably matched at both ends of the first guide rail 2110. The sliding direction of the first slider 2111 is perpendicular to the sliding direction of the second mounting base 2107. In this embodiment, the sliding direction of the first slider 2111 is parallel to the rotation axis of the rotating base 2102. A clamping jaw 2112 is provided on the first slider 2111. The clamping jaw 2112 is a strip-shaped structure. A clamping area is formed between the two clamping jaws 2112 and can clamp the rubber band holder 29. At the same time, a clamping jaw cylinder 2113 is provided on the second mounting base 2107. The output shaft of the clamping jaw cylinder 2113 is connected to the first slider 2111 and is used to drive the first slider 2111 to slide, thereby realizing the clamping or loosening of the clamping jaw. In this embodiment, the clamping jaw cylinder is a double-shaft extension cylinder, and both ends thereof have output shafts and can realize synchronous telescoping.

[0035] To ensure the grasping accuracy, in this embodiment, a positioning hole 2902 is provided at the center of the top of the rubber band holder 29. At the same time, a positioning shaft 2114 is provided at the end of the second mounting base 2107. The positioning shaft 2114 can be inserted into the positioning hole 2902 to realize radial positioning.

[0036] The rubber band holder 29 includes a frame-shaped bracket 2903 which is vertically arranged and has a rectangular cross-section. A top plate 2901 is provided at the top of the frame-shaped bracket 2903. A positioning hole 2902 is opened at the center of the top plate 2901. A convex portion 2904 is provided at the edge of the top plate 2901. The convex portion 2904 can be clamped and fixed by a clamping device. In this embodiment, the convex portion is an outwardly convex arc structure. At the same time, a groove body capable of allowing the convex portion to be inserted and fixed is provided on the inner wall of the clamping jaw; a clamping groove 2903a is provided on the side wall of the frame-shaped bracket 2903. The clamping groove 2903a is used for clamping the rubber band. There are multiple such clamping grooves 2903a, and they are equidistantly arranged along the length direction of the frame-shaped bracket 2903. The rubber band can be sleeved (hooped) in the clamping groove.

[0037] The working principle of the rubber band feeding mechanism for the tray packing in this application is briefly described as follows:

[0038] S1. The first turntable 2201 rotates, so that one of the rubber band holders 29 filled with rubber bands rotates to the position to be taken.

[0039] S2. The first cylinder 2106 drives the second slider 2104 to slide, drives the rack to slide and drives the gear to rotate, so that the turntable rotates until it rotates 90 degrees and is in a vertical state. At this time, the clamping device is located directly above the rubber band holder.

[0040] S3. The second driving device (cylinder) acts, drives the second mounting seat 2107 to move vertically downward until it contacts the top of the rubber band holder 29. At the same time, the positioning shaft 2114 on the second mounting seat 2107 is inserted into the positioning hole at the top of the rubber band clamp to achieve radial positioning.

[0041] S4. The clamping device acts, so that the clamping jaws clamp the convex portions on both sides of the top of the rubber band holder to achieve clamping and fixing of the rubber band holder.

[0042] S5. The second driving device (cylinder) acts in the reverse direction, drives the second mounting seat 2107 to move to the upper extreme position.

[0043] S6. The first cylinder acts in the reverse direction, drives the second slider to rotate in the reverse direction, drives the rack and drives the gear to rotate in the reverse direction, so that the turntable rotates in the reverse direction to the horizontal state; provides rubber bands for the rubber band tying mechanism in the next working station.

[0044] When the rubber bands on the rubber band holder are used up, place the empty rubber band holder on the empty position of the first turntable, and then grab the next full rubber band holder, and so on.

[0045] The rubber band feeding mechanism for tray packing of the present utility model is arranged in an up-and-down structure, which reduces the overall occupied space, has a compact structure and a small installation space; adopts a rotary feeding structure, which can realize rotary feeding, has a simple structure, low manufacturing cost and reliable operation. At the same time, the rotary space and the occupied space are small, which is conducive to the miniaturization of the equipment; the turntable is driven by a rack and gear, with low manufacturing cost, large driving force, stable and reliable use; positioning components are arranged on the rubber band rack, which can realize precise positioning with the clamping device, improve the positioning accuracy of grasping and the reliability of clamping, and avoid deflection; the rubber band feeding mechanism for tray packing of the present utility model has a compact structure and a small installation space, can realize the rapid feeding and loading of rubber bands, operates reliably, and provides fast and stable feeding for tray packing.

[0046] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art of this technology, without departing from the technical principle of the present utility model, several improvements and retouches can be made, and these improvements and retouches should also be regarded as the protection scope of the present utility model.

Claims

1. A rubber band feeding mechanism for pallet packing, characterized in that, Including: A rubber band feeding device, including a first turntable capable of horizontal rotation, above which a rubber band rack is placed, and there are multiple rubber band racks evenly distributed circumferentially; A rubber band loading device, arranged directly above the rubber band feeding device, for moving the rubber band rack on the rubber band feeding device to the rubber band tying station. It includes a first mounting seat, on which a rotating seat is rotatably mounted, the rotation axis of the rotating seat is parallel to the horizontal plane, a first driving mechanism for driving the rotation of the rotating seat is provided on the first mounting seat, a second mounting seat is slidably fitted at the end of the rotating seat, the sliding direction of the second mounting seat is perpendicular to the rotation axis of the rotating seat, a second driving device for connecting with the second mounting seat and driving its sliding to achieve expansion and contraction is provided on the rotating seat, and a clamping device capable of clamping the rubber band rack is provided at the end of the second mounting seat.

2. The rubber band feeding mechanism for tray packing according to claim 1, characterized in that: The clamping device includes a first guide rail provided at the end of the second mounting seat, two first sliders are symmetrically slidably fitted at both ends of the first guide rail, the sliding direction of the first sliders is perpendicular to the sliding direction of the second mounting seat, clamping jaws are provided on the first sliders, a clamping area is formed between the two clamping jaws, a clamping jaw cylinder is provided on the second mounting seat, and the output shaft of the clamping jaw cylinder is connected with the first slider and used to achieve clamping or loosening of the clamping jaws.

3. The rubber band feeding mechanism for tray packing according to claim 1, wherein: A positioning hole is provided at the center of the top of the rubber band rack, and a positioning shaft capable of inserting into the positioning hole and achieving radial positioning is provided at the end of the second mounting seat.

4. The rubber band feeding mechanism for tray packing according to claim 1, characterized in that: The rotating seat is rotatably mounted on the first mounting seat through a main shaft, the first driving mechanism includes a gear fixed at the end of the main shaft, a rack meshing with the gear, and a first cylinder connected with the rack and used to drive its axial movement.

5. The rubber band feeding mechanism for tray packing according to claim 4, characterized in that: There are two first driving mechanisms and they are symmetrically arranged on both sides of the first mounting seat.

6. The rubber band feeding mechanism for tray packing according to claim 4, characterized in that: A second slider is slidably fitted on the side wall of the first mounting seat, the sliding direction of the second slider is perpendicular to the axis of the main shaft, the rack is fixed on the second slider, and the output shaft of the first cylinder is connected with the second slider and used to drive its sliding.

7. The rubber band feeding mechanism for tray packing according to claim 1, characterized in that: A guide rod is fixed at the rear end of the second mounting seat, the length direction of the guide rod is perpendicular to the rotation axis of the rotating seat, a guide hole for the guide rod to pass through and achieve sliding fit is opened on the rotating seat, and the second driving device is a cylinder and its output end is connected with the second mounting seat.

8. The rubber band feeding mechanism for tray packing according to claim 1, characterized in that: A first contact switch and a second contact switch are provided on the first mounting seat. When the rotating seat rotates to the vertical state, the first contact switch can be triggered, and when the rotating seat rotates to the horizontal state, the second contact switch can be triggered.

9. The rubber band feeding mechanism for tray packing according to claim 1, wherein: Third contact switches are provided at both limit positions of the second mounting seat.

10. The rubber band feeding mechanism for tray packing according to claim 1, characterized in that: The rubber band rack includes a frame-shaped bracket, a top plate is provided at the top of the frame-shaped bracket, a convex portion capable of being clamped and fixed by the clamping device is provided at the edge of the top plate, and a card slot for clamping the rubber band is provided on the side wall of the frame-shaped bracket. There are multiple card slots and they are equidistantly arranged along the length direction of the frame-shaped bracket.

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