A feeding device for a capsule plate

Abstract

The utility model belongs to capsule plate packaging technical field provides a kind of feeding device of capsule plate, including fixed platform, blanking mechanism, fixed platform is equipped with conveyer belt, blanking mechanism is connected on fixed platform, blanking mechanism has the blanking passage of accommodating stacked capsule plate, blanking mechanism includes the movable assembly of being connected on fixed platform, fixed component and two symmetrical arrangement side plate body;Movable assembly, fixed component and two side plate body cooperation build blanking passage;Two side plate bodies are separately arranged on the both sides of the conveying direction of conveyer belt, the distance between two side plate bodies is adjustable;Movable assembly can be adjusted along the direction of approaching or moving away from fixed component;The bottom end of fixed component and conveyer belt have gap.The utility model adjusts the spacing between two side plate bodies and adjusts movable assembly to the direction of approaching or moving away from fixed component, and then let blanking passage size can be adapted to different size capsule plate, improve compatibility.

Description

Technical Field

[0001] This utility model belongs to the field of capsule packaging technology, specifically a capsule feeding device. Background Technology

[0002] Because some medications can easily irritate the esophagus and gastric mucosa, they cannot be taken orally directly. Instead, they need to be encapsulated in capsules. This encapsulation protects the medication from damage and also protects the digestive and respiratory systems when the medication is taken orally. In capsule production, multiple capsules are often assembled into a blister pack and then packaged in a box.

[0003] CN202422600612.6 discloses an automatic cartoning device for a capsule production line, including a support plate, a worktable mounted on the support plate, two sliders symmetrically assembled in a chute, a clamping plate mounted on the slider, a first air hole on the side wall of the clamping plate, a first air guide pipe mounted on the side wall of the clamping plate, a cavity in the suction plate, a second air hole on the top plate of the suction plate, a second air guide pipe mounted on the side wall of the suction plate, and a fan mounted on the air guide plate via a base.

[0004] In the above technical solution, two sliders are attached to the sides of the packaging box to make the paper packaging box stand upright. Then, the suction plate adsorbs the long cover plate on the packaging box through the second air hole, and the two clamping plates adsorb the two small cover plates on the packaging box through the first air hole. At this time, the feed port of the paper packaging box is fully open, and the long cover plate and the two small cover plates of the packaging box will not obstruct the feed port, which helps to improve the neatness of the box. However, the number of capsules affects the size of the capsule plate. The capsule plate with more capsules is larger and the capsule plate with fewer capsules is smaller. However, the size of the guide cylinder is fixed. Therefore, the guide cylinder cannot be adapted to capsule plates of different sizes, resulting in poor compatibility. Utility Model Content

[0005] The purpose of this invention is to solve the above problems and provide a feeding device for capsule plates. This device adjusts the distance between the two side plates and adjusts the movable component to be closer to or further away from the fixed component, thereby allowing the size of the feeding channel to be adapted to capsule plates of different sizes, thus improving compatibility.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A capsule feeding device includes a fixed platform and a feeding mechanism. A conveyor belt is mounted on the fixed platform, and the feeding mechanism is connected to the fixed platform. The feeding mechanism has a feeding channel for accommodating stacked capsules, located above the conveyor belt. The lowest capsule in the feeding channel contacts the conveyor belt. The feeding mechanism includes a movable component, a fixed component, and two symmetrically arranged side plates connected to the fixed platform. The movable component, fixed component, and two side plates cooperate to form the feeding channel. The two side plates are located on opposite sides of the conveyor belt's conveying direction, and the distance between the two side plates is adjustable.

[0008] The movable component and the fixed component are arranged sequentially along the conveyor belt's conveying direction. The movable component can be adjusted to move closer to or further away from the fixed component. The bottom end of the fixed component has a gap with the conveyor belt, and the gap matches the height of a capsule plate.

[0009] In the above-mentioned capsule plate feeding device, the movable component includes a support, a first rod, and a vertically arranged second rod;

[0010] The bracket is connected to the fixed platform, the first rod is movably inserted in the bracket, and the axial direction of the first rod is parallel to the conveying direction of the conveyor belt. A first screw is screwed onto the bracket, and the first screw is used to press and fix the first rod.

[0011] The second rod is located between the two side plates. The second rod, the fixing component, and the two side plates work together to form a feeding channel. The second rod is connected to the end of the first rod near the fixing component.

[0012] In the above-mentioned capsule plate feeding device, a placement plate is also included. The side plate body is provided with a first groove on the side opposite to another side plate body. One end of the first groove extends along the conveying direction of the conveyor belt, and the end of the first groove away from the fixing component is open.

[0013] The placement plate can slide into the open end of the first groove, and the placement plate is provided with a clearance notch for avoiding the second rod.

[0014] In the above-mentioned capsule plate feeding device, the fixing component includes a mounting frame, a fixing rod, and two connecting rods;

[0015] The mounting frame has an inverted U-shaped structure and is connected to a fixed platform. Two second connecting rods are arranged vertically at intervals within the mounting frame, and the axial direction of the connecting rods is parallel to the width direction of the conveyor belt.

[0016] The fixing rod is arranged vertically between the two side plates and is connected to two connecting rods. The movable component, the fixing rod, and the two side plates work together to form a feeding channel. The bottom end of the fixing rod forms a gap with the conveyor belt that matches the height of the capsule plate.

[0017] In the above-mentioned capsule plate feeding device, a longitudinal rod is also included. The fixed rod is provided with a vertically arranged second sliding groove, and the longitudinal rod is slidably connected in the second sliding groove.

[0018] The bottom end of the second chute is open, and the bottom end of the longitudinal rod protrudes from the open end of the second chute. The bottom end of the longitudinal rod and the conveyor belt form a gap that matches the height of the capsule plate. A second screw is screwed to the top of the fixing rod, and one end of the second screw is connected to the top of the longitudinal rod.

[0019] The aforementioned capsule plate feeding device also includes two fixing clamps, both of which are mounted on a fixing rod. Each fixing clamp corresponds to a connecting rod, and the fixing clamps and connecting rods are detachably connected.

[0020] In the above-mentioned capsule plate feeding device, the distance between the two side plates is adjusted by an adjustment module. The adjustment module includes two adjustment mechanisms symmetrically arranged on both sides of the fixed platform. The adjustment mechanisms correspond one-to-one with the side plates and are connected to the side plates.

[0021] The adjustment mechanism includes a first mounting base, a first mounting block, and two first movable rods. The first mounting base is located on one side of the fixed platform, and the first mounting block is located on the top of the first mounting base.

[0022] The axis of the first movable rod is parallel to the width direction of the conveyor belt. The two first movable rods are arranged at intervals along the conveying direction of the conveyor belt. Both first movable rods are movably inserted into the first mounting block. One end of each of the two first movable rods is connected to the side plate.

[0023] Two first bolts are screwed onto the first mounting block. Each first bolt corresponds to a first movable rod, and the first bolts are used to press and fix the first movable rod.

[0024] The above-mentioned capsule feeding device also includes two limiting plates, which are respectively disposed on both sides of the conveyor belt in the conveying direction, and the distance between the two limiting plates is adjusted by a distance adjustment module.

[0025] The adjustment module includes two symmetrically arranged adjustment mechanisms on both sides of the fixed platform. Each adjustment mechanism corresponds to a limiting plate and is connected to the limiting plate.

[0026] The adjusting mechanism includes a second mounting base, a second mounting block, and two second movable rods. The second mounting base is located on one side of the fixed platform, and the second mounting block is located on the top of the mounting base.

[0027] The axis of the second movable rod is parallel to the width direction of the conveyor belt. The two second movable rods are arranged at intervals along the conveying direction of the conveyor belt. Both second movable rods are movably inserted into the second mounting block. One end of each of the two second movable rods is connected to the side plate.

[0028] The second mounting block is screwed with two second bolts, each corresponding to a second movable rod, and the second bolts are used to press and fix the second movable rod.

[0029] Compared with the prior art, the beneficial effects of this utility model are:

[0030] This invention allows the feeding channel size to be adapted to capsules of different sizes by adjusting the distance between the two side plates and adjusting the movable component to be closer to or farther from the fixed component. Furthermore, the bottom of the fixed component has a gap with the conveyor belt, and the gap is adapted to the height of the capsules. Thus, the conveyor belt can only feed the capsules out of the feeding channel one by one, allowing the pushing mechanism to push the capsules into the packaging box one by one, thereby improving compatibility. Attached Figure Description

[0031] Figure 1 This is one of the perspective views of a capsule plate feeding device according to Embodiment 1;

[0032] Figure 2 This is a second perspective view of a capsule plate feeding device according to Embodiment 1;

[0033] Figure 3 This is the third perspective view of a capsule plate feeding device according to Embodiment 1;

[0034] Figure 4 This is the fourth perspective view of a capsule plate feeding device according to Embodiment 1;

[0035] The figure labels for each figure are as follows:

[0036] 1. Fixed platform; 11. Conveyor belt; 2. Unloading mechanism; 21. Side plate; 211. First chute; 22. Movable component; 221. Bracket; 222. First rod; 223. Second rod; 224. First screw; 23. Fixed component; 231. Mounting bracket; 232. Fixed rod; 2321. Second chute; 233. Connecting rod; 234. Second screw; 235. Longitudinal rod; 236. Fixed clamp; 3. Adjustment module; 31. Adjustment mechanism; 311. First mounting base; 312. First movable rod; 313. First mounting block; 314. First bolt; 4. Adjustment module; 41. Adjustment mechanism; 411. Second mounting base; 412. Second movable rod; 413. Second mounting block; 414. Second bolt; 5. Placement plate; 51. Clearance notch; 6. Limiting plate. Detailed Implementation

[0037] 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.

[0038] Example 1

[0039] refer to Figures 1-4 A capsule board feeding device includes a fixed platform 1, a feeding mechanism 2, a pushing mechanism, and a fixing mechanism for fixing a packaging box. The fixed platform 1 is provided with a conveyor belt 11. The feeding mechanism 2 is connected to the fixed platform 1. The pushing mechanism and the fixing mechanism are respectively located on both sides of the fixed platform 1. The feeding mechanism 2 has a feeding channel for accommodating stacked capsule boards. The bottommost capsule board contacts the conveyor belt 11. The pushing mechanism is used to push the capsule board into the packaging box.

[0040] The feeding mechanism 2 includes a movable component 22, a fixed component 23, and two symmetrically arranged side plates 21 connected to the fixed platform 1; the movable component 22, the fixed component 23, and the two side plates 21 cooperate to form a feeding channel;

[0041] The two side plates 21 are respectively disposed on both sides of the conveyor belt 11 in the conveying direction, and the distance between the two side plates 21 is adjustable;

[0042] The movable component 22 and the fixed component 23 are arranged sequentially along the conveying direction of the conveyor belt 11. The movable component 22 can be adjusted in the direction of approaching or moving away from the fixed component 23. The bottom end of the fixed component 23 has a gap with the conveyor belt 11, and the gap matches the height of a capsule plate.

[0043] It should be noted that the coupling between the feeding mechanism 2 and the boxing mechanism can be referred to Chinese Patent CN202422600612.6. Specifically, the stepper motor of the boxing mechanism drives the lead screw to rotate, so that the two clamping plates are in contact with the packaging box. Under the action of the exhaust fan, the suction plate adsorbs the long cover plate on the packaging box through the second air hole, and the two clamping plates adsorb the two small cover plates on the packaging box through the first air hole. At this time, the feed port of the paper packaging box is fully open, and the capsule plates stacked in the feeding channel are sent out one by one by the conveyor belt 11. When the capsule plate is located between the pusher plate and the opening of the packaging box, the hydraulic cylinder drives the pusher plate, and the pusher plate pushes the capsule plate and pushes it into the packaging box.

[0044] In this design, the worker first adjusts the distance between the two side plates 21 according to the size of the capsule plate, and then adjusts the movable component 22 towards or away from the fixed component 23 so that the size of the feeding channel matches the size of the capsule plate. Then, the worker puts the stacked capsule plates into the feeding channel and starts the conveyor belt 11. Since the gap between the bottom of the fixed component 23 and the conveyor belt 11 is adapted to the height of a capsule plate, the capsule plates stacked in the feeding channel are sent out one by one under the action of the conveyor belt 11. Under the action of the exhaust fan, the suction plate adsorbs the long cover plate on the packaging box through the second air hole, and the two clamping plates adsorb the two small cover plates on the packaging box through the first air hole. At this time, the feed port of the paper packaging box is fully open. When the capsule plate stacked in the feeding channel is sent by the conveyor belt 11 to the position between the pusher plate and the opening of the packaging box, the hydraulic cylinder drives the pusher plate, which pushes the capsule plate and pushes it into the packaging box. In this way, the compatibility of the device can be improved.

[0045] In this embodiment, the movable component 22 includes a bracket 221, a first rod 222, and a vertically arranged second rod 223;

[0046] The bracket 221 is connected to the fixed platform 1. The first rod 222 is movably inserted in the bracket 221, and the axial direction of the first rod 222 is parallel to the conveying direction of the conveyor belt 11. A first screw 224 is screwed onto the bracket 221. The first screw 224 is used to press and fix the first rod 222.

[0047] The second rod 223 is located between the two side plates 21. The second rod 223, the fixing component 23 and the two side plates 21 cooperate to form a feeding channel. The second rod 223 is connected to the end of the first rod 222 near the fixing component 23.

[0048] Specifically, the second rod 223 is arranged vertically. The second rod 223, together with the fixing component 23, limits the direction of the capsule plate. To adjust the second rod 223, the first screw 224 is turned upward to loosen the fixation of the first rod 222. Then, the first rod 222 is moved closer to or further away from the fixing component 23 to drive the movement of the second rod 223. After adjustment, the first screw 224 is turned downward to fix the first rod 222.

[0049] Preferably, it also includes a placement plate 5, wherein the side plate 21 is provided with a first groove 211 on the side opposite to the other side plate 21, one end of the first groove 211 extends along the conveying direction of the conveyor belt 11, and the end of the first groove 211 away from the fixing component 23 is open;

[0050] The placement plate 5 can slide into the open end of the first groove 211, and the placement plate 5 is provided with a clearance notch 51 for avoiding the second rod 223.

[0051] Specifically, when workers place the stacked capsules into the feeding channel, they usually need to hold the bottom capsule with one hand and press the top capsule with the other hand to fix the stacked capsules in place. Then, they put the stacked capsules into the feeding channel together. However, since the conveyor belt 11 is in operation, in order to avoid the hand holding the bottom capsule being conveyed and rubbed, the worker can first slide the placement plate 5 into the open end of the first chute 211, then place the stacked capsules on the placement plate 5, and then pull out the placement plate 5. The clearance notch 51 can prevent the placement plate 5 from interfering with the second rod 223 when it slides in.

[0052] More preferably, the fixing component 23 includes a mounting bracket 231, a fixing rod 232, and two connecting rods 233;

[0053] The mounting frame 231 has an inverted U-shaped structure. The mounting frame 231 is connected to the fixed platform 1. Two second connecting rods 233 are arranged vertically at intervals in the mounting frame 231. The axial direction of the connecting rods 233 is parallel to the width direction of the conveyor belt 11.

[0054] The fixing rod 232 is arranged vertically and located between the two side plates 21. The fixing rod 232 is connected to two connecting rods 233. The movable component 22, the fixing rod 232 and the two side plates 21 cooperate to form a feeding channel. The bottom end of the fixing rod 232 forms a gap with the conveyor belt 11 that matches the height of the capsule plate.

[0055] Preferably, it also includes a longitudinal rod 235, and the fixed rod 232 is provided with a vertically arranged second sliding groove 2321, and the longitudinal rod 235 is slidably connected in the second sliding groove 2321;

[0056] The bottom end of the second chute 2321 is open, and the bottom end of the longitudinal rod 235 protrudes from the open end of the second chute 2321. The bottom end of the longitudinal rod 235 and the conveyor belt 11 form a gap that matches the height of the capsule plate. The top of the fixing rod 232 is screwed with a second screw 234, and one end of the second screw 234 is connected to the top of the longitudinal rod 235.

[0057] Furthermore, there are various types of capsules with different diameters, and the height of the capsule plate also varies accordingly. To improve compatibility, the worker can rotate the second screw 234 so that the rod can move up and down within the second slide groove 2321, thereby changing the gap between the bottom end of the longitudinal rod 235 and the conveyor belt 11. In this way, the gap can be changed to accommodate different capsule plates.

[0058] More preferably, it also includes two fixing clips 236, both of which are disposed on the fixing rod 232. The fixing clips 236 correspond one-to-one with the connecting rod 233, and the fixing clips 236 and the connecting rod 233 are detachably connected.

[0059] The fixing clip 236 has been disclosed in Chinese patent CN202422072787, so the structure of the fixing clip 236 will not be described in detail in this embodiment.

[0060] Generally, the fixing rod 232 is detachably connected to the connecting rod 233 via the fixing clip 236, which makes it convenient to adjust the position of the fixing rod 232.

[0061] Preferably, the distance between the two side plates 21 is adjusted by an adjustment module 3. The adjustment module 3 includes two adjustment mechanisms 31 symmetrically arranged on both sides of the fixed platform 1. The adjustment mechanisms 31 correspond one-to-one with the side plates 21 and are connected to the side plates 21.

[0062] The adjustment mechanism 31 includes a first mounting base 311, a first mounting block 313 and two first movable rods 312. The first mounting base 311 is located on one side of the fixed platform 1, and the first mounting block 313 is located on the top of the first mounting base 311.

[0063] The axis of the first movable rod 312 is parallel to the width direction of the conveyor belt 11. The two first movable rods 312 are arranged at intervals along the conveying direction of the conveyor belt 11. Both first movable rods 312 are movably inserted into the first mounting block 313. One end of both first movable rods 312 is connected to the side plate 21.

[0064] Two first bolts 314 are screwed onto the first mounting block 313. The first bolts 314 correspond one-to-one with the first movable rod 312. The first bolts 314 are used to press and fix the first movable rod 312.

[0065] Specifically, when adjusting the distance between the two side plates 21, first turn the two first bolts 314 upward to loosen the fixation of the two first connecting rods 233. Then, according to the size of the capsule plate, the worker moves the first connecting rods 233 so that the side plate 21 can move closer to or further away from the other side plate 21. After the distance between the complete side plates 21 is adjusted, turn the two first bolts 314 downward to fix the two first connecting rods 233 respectively.

[0066] Preferably, it also includes two limiting plates 6, which are respectively disposed on both sides of the conveyor belt 11 in the conveying direction, and the distance between the two limiting plates 6 is adjusted by a distance adjustment module 4.

[0067] The adjusting module 4 includes two adjusting mechanisms 41 symmetrically arranged on both sides of the fixed platform 1. The adjusting mechanism 41 corresponds one-to-one with the side plate 21, and the adjusting mechanism 41 is connected to the limiting plate 6.

[0068] The adjusting mechanism 41 includes a second mounting base 411, a second mounting block 413 and two second movable rods 412. The second mounting base 411 is located on one side of the fixed platform 1, and the second mounting block 413 is located on the top of the second mounting base 411.

[0069] The axis of the second movable rod 412 is parallel to the width direction of the conveyor belt 11. The two second movable rods 412 are arranged at intervals along the conveying direction of the conveyor belt 11. Both second movable rods 412 are movably inserted into the second mounting block 413. One end of each of the two second movable rods 412 is connected to the side plate 21.

[0070] Two second bolts 414 are screwed onto the second mounting block 413. The second bolts 414 correspond one-to-one with the second movable rod 412. The second bolts 414 are used to press and fix the second movable rod 412.

[0071] Furthermore, the two limiting plates 6 are located on both sides of the conveyor belt 11 in the conveying direction. This is to prevent the capsule plate from shifting position and tilting when the conveyor belt 11 moves the capsule plate. This ensures that the pushing mechanism can smoothly push the capsule plate into the packaging box.

[0072] Furthermore, the distance between the two limiting plates 6 is adjustable. The adjustment method for the distance between the two limiting plates 6 is the same as the adjustment method for the two side plates 21 mentioned above, so it will not be explained in detail here.

[0073] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements or modifications can be made without departing from the principle of the present utility model, and these improvements or modifications should also be considered within the protection scope of the present utility model.

Claims

1. A capsule plate feeding device, comprising a fixed platform and a feeding mechanism, wherein a conveyor belt is provided on the fixed platform, the feeding mechanism is connected to the fixed platform, and the feeding mechanism has a feeding channel for accommodating stacked capsule plates, the feeding channel being located above the conveyor belt, and the lowest capsule plate located in the feeding channel contacting the conveyor belt; characterized in that, The feeding mechanism includes a movable component, a fixed component, and two symmetrically arranged side plates connected to a fixed platform; the movable component, the fixed component, and the two side plates cooperate to form a feeding channel; the two side plates are respectively located on both sides of the conveyor belt in the conveying direction, and the distance between the two side plates is adjustable; The movable component and the fixed component are arranged sequentially along the conveyor belt's conveying direction. The movable component can be adjusted to move closer to or further away from the fixed component. The bottom end of the fixed component has a gap with the conveyor belt, and the gap matches the height of a capsule plate.

2. The capsule plate feeding device according to claim 1, characterized in that, The movable component includes a support frame, a first rod, and a vertically arranged second rod. The bracket is connected to the fixed platform, the first rod is movably inserted in the bracket, and the axial direction of the first rod is parallel to the conveying direction of the conveyor belt. A first screw is screwed onto the bracket, and the first screw is used to press and fix the first rod. The second rod is located between the two side plates. The second rod, the fixing component, and the two side plates work together to form a feeding channel. The second rod is connected to the end of the first rod near the fixing component.

3. The capsule plate feeding device according to claim 2, characterized in that, It also includes a placement plate, wherein the side plate body is provided with a first groove on the side opposite to another side plate body, one end of the first groove extends along the conveying direction of the conveyor belt, and the end of the first groove away from the fixed component is open; The placement plate can slide into the open end of the first groove, and the placement plate is provided with a clearance notch for avoiding the second rod.

4. The capsule plate feeding device according to claim 1, characterized in that, The fixing assembly includes a mounting bracket, a fixing rod, and two connecting rods; The mounting frame has an inverted U-shaped structure and is connected to a fixed platform. Two connecting rods are arranged vertically at intervals within the mounting frame, and the axial direction of the connecting rods is parallel to the width direction of the conveyor belt. The fixing rod is arranged vertically between the two side plates and is connected to two connecting rods. The movable component, the fixing rod, and the two side plates work together to form a feeding channel. The bottom end of the fixing rod forms a gap with the conveyor belt that matches the height of the capsule plate.

5. The capsule plate feeding device according to claim 4, characterized in that, It also includes a longitudinal bar, and the fixed bar is provided with a vertically arranged second sliding groove, and the longitudinal bar is slidably connected in the second sliding groove; The bottom end of the second chute is open, and the bottom end of the longitudinal rod protrudes from the open end of the second chute. The bottom end of the longitudinal rod and the conveyor belt form a gap that matches the height of the capsule plate. A second screw is screwed to the top of the fixing rod, and one end of the second screw is connected to the top of the longitudinal rod.

6. The capsule plate feeding device according to claim 4, characterized in that, It also includes two fixing clips, both of which are mounted on the fixing rod. Each fixing clip corresponds to a connecting rod, and the fixing clips and connecting rods are detachably connected.

7. The capsule plate feeding device according to claim 1, characterized in that, The distance between the two side plates is adjusted by an adjustment module, which includes two adjustment mechanisms symmetrically arranged on both sides of the fixed platform. Each adjustment mechanism corresponds to one of the side plates and is connected to the side plates. The adjustment mechanism includes a first mounting base, a first mounting block, and two first movable rods. The first mounting base is located on one side of the fixed platform, and the first mounting block is located on the top of the first mounting base. The axis of the first movable rod is parallel to the width direction of the conveyor belt. The two first movable rods are arranged at intervals along the conveying direction of the conveyor belt. Both first movable rods are movably inserted into the first mounting block. One end of each of the two first movable rods is connected to the side plate. Two first bolts are screwed onto the first mounting block. Each first bolt corresponds to a first movable rod, and the first bolts are used to press and fix the first movable rod.

8. The capsule plate feeding device according to claim 1, characterized in that, It also includes two limiting plates, which are respectively disposed on both sides of the conveyor belt in the conveying direction, and the distance between the two limiting plates is adjusted by a distance adjustment module. The adjustment module includes two symmetrically arranged adjustment mechanisms on both sides of the fixed platform. Each adjustment mechanism corresponds to a limiting plate and is connected to the limiting plate. The adjusting mechanism includes a second mounting base, a second mounting block, and two second movable rods. The second mounting base is located on one side of the fixed platform, and the second mounting block is located on the top of the mounting base. The axis of the second movable rod is parallel to the width direction of the conveyor belt. The two second movable rods are arranged at intervals along the conveying direction of the conveyor belt. Both second movable rods are movably inserted into the second mounting block. One end of each of the two second movable rods is connected to the side plate. The second mounting block is screwed with two second bolts, each corresponding to a second movable rod, and the second bolts are used to press and fix the second movable rod.

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