A component conveying device for automobile component production

Abstract

The utility model relates to the technical field of automobile parts conveying, and disclose a spare part conveying device for automobile parts production. Including conveying table, the inside of conveying table is connected with transmission roll through bearing swing, the side surface of transmission roll is sleeved with conveyer belt, the front surface of conveying table is fixedly connected with first machine box, the inside of first machine box is provided with first motor, the inner wall of conveying table is provided with adjusting mechanism, the upper surface of conveying table is provided with guide mechanism, the upper surface of conveying table is provided with conveying mechanism, the utility model discloses the space of the transmission belt is penetrated by the load bearing roller, and the load bearing roller can be used to slide the spring in the inside of the sliding slot and be extruded, so that the load bearing roller can drive the open box and the adjusting roller to move downward together and push the transmission belt, so that the load bearing roller is not easy to be shaken by the spring when the tension of the transmission belt is adjusted in real time.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts conveying technology, specifically to a parts conveying device for automotive parts production. Background Technology

[0002] As the foundation of the automotive industry, auto parts are essential for its continued healthy development. This is especially true given the current vigorous and dynamic independent development and innovation within the industry, which requires a robust parts system. Independent vehicle brands and technological innovation rely on parts as a foundation, while independent innovation in parts, in turn, strongly drives the development of the entire vehicle industry. For example, the patent titled "A Conveying Device in an Auto Parts Production Line," application number "202322628772.7," utilizes a roller rod that rotates, causing a gear inserted inside one end of a transmission belt to rotate. This gear, in turn, causes a support rod to rotate at one end of a positioning shaft. Simultaneously, the gear's rotation drives the conveyor belt meshing with it, allowing cylindrical parts falling from the inclined panel to slide onto the conveyor belt surface. Baffles on the conveyor belt surface provide equidistant restraint for the cylindrical parts, preventing them from rolling on the belt and achieving equidistant and constant-speed transmission. Furthermore, with prolonged use, the conveyor belt is prone to loosening, facilitating the normal transport of auto parts. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a component conveying device for automotive parts production. When the conveyor belt becomes slack due to the weight of the load-bearing roller, the load-bearing roller can use a slider to slide inside the chute to compress the spring. This allows the load-bearing roller to drive the open box and the adjusting roller to move downward together, pushing the conveyor belt, thereby increasing the tension between the conveyor belts and solving the aforementioned technical problems.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a conveyor table, wherein a transmission roller is movably connected inside the conveyor table via bearings, a conveyor belt is sleeved on the side surface of the transmission roller, a first housing is fixedly connected to the front surface of the conveyor table, a first motor is disposed inside the first housing, and the output end of the first motor is fixedly connected to the transmission roller, an adjustment mechanism is disposed on the inner wall of the conveyor table, a guide mechanism is disposed on the upper surface of the conveyor table, and a conveying mechanism is disposed on the upper surface of the conveyor table;

[0005] The adjustment mechanism includes a mounting plate, the rear surface of which is provided with a groove. A spring is fixedly connected inside the groove, and a slider is slidably connected inside the groove and fixedly connected to the spring. A load-bearing roller is fixedly connected to the front surface of the slider, and a connecting rod is fixedly connected to the lower surface of the load-bearing roller. An open box is fixedly connected to the end of the connecting rod away from the load-bearing roller. An adjustment roller is movably connected inside the open box via a bearing, and a baffle plate is fixedly connected to the lower surface of the slider.

[0006] Through the above technical solution, starting the first motor can drive the conveyor roller to rotate, which in turn drives the conveyor belt to rotate. This allows small automotive parts to be placed on the surface of the conveyor belt for transport. Utilizing the weight of the load-bearing roller, when the conveyor belt becomes slack, the load-bearing roller can use a slider to slide inside the chute to compress the spring. This allows the load-bearing roller to drive the open box and adjusting roller to move downwards together, pushing the conveyor belt. When the load-bearing roller moves downwards, the slider can drive the baffle plate to move together. The baffle plate can block the spring compressed by the slider, preventing the spring from popping out of the chute. In conjunction with the chute, the spring can be limited, thus making it less susceptible to spring swaying when the load-bearing roller adjusts the tension of the conveyor belt in real time.

[0007] As a preferred embodiment of the present invention, the guiding mechanism includes a first support plate, which is fixedly connected to the upper surface of the conveyor table. A first connecting seat is fixedly connected to the side surface of the first support plate, and a guide rod is fixedly connected inside the first connecting seat. A sliding sleeve is sleeved on the side surface of the guide rod.

[0008] Through the above technical solution, by utilizing the connection between the first adjusting slide plate and the sliding sleeve, the first adjusting slide plate can drive the sliding sleeve to slide on the surface of the guide rod, and the sliding of the sliding sleeve can guide and limit the left and right movement of the threaded sleeve.

[0009] As a preferred embodiment of this utility model, the conveying mechanism includes a second support plate, which is fixedly connected to the upper surface of the conveying table. The second support plate is located in front of the first support plate. A second connecting seat is fixedly connected to the side surface of the second support plate. A lead screw is movably connected to the inside of the second connecting seat through a bearing. A threaded sleeve is fitted onto the side surface of the lead screw. A second housing is fixedly connected to the side surface of the second support plate. A second motor is installed inside the second housing, and the output end of the second motor is fixedly connected to the lead screw.

[0010] With the above technical solution, starting the second motor can drive the lead screw to rotate, and the threaded sleeve can move left and right according to the rotation of the lead screw. The left and right movement of the threaded sleeve can drive the second adjusting slide plate to move left and right. When the second adjusting slide plate slides left and right, it can drive the first adjusting slide plate to move together.

[0011] As a preferred technical solution of this utility model, the front surface of the first connecting seat is provided with a first sliding mechanism, the first sliding mechanism includes a first adjusting slide plate, and the first adjusting slide plate is slidably connected to the first connecting seat, and the rear surface of the first adjusting slide plate passes through the first connecting seat and is fixedly connected to the sliding sleeve.

[0012] Through the above technical solution, the reinforcement seat can be adjusted according to the width of the automotive parts, making it convenient to transport large automotive parts.

[0013] As a preferred technical solution of this utility model, the rear surface of the second connecting seat is provided with a second sliding mechanism. The second sliding mechanism includes a second adjusting slide plate, and the second adjusting slide plate is slidably connected to the second connecting seat. The front surface of the second adjusting slide plate penetrates the interior of the second connecting seat and is fixedly connected to the threaded sleeve.

[0014] Through the above technical solution, another set of reinforcing plates can slide on the surface of the second adjusting plate, and in conjunction with the sliding of the first set of reinforcing plates, it is convenient to adjust the distance between the two sets of reinforcing plates, thereby facilitating the adjustment of the distance according to the size of the automotive parts.

[0015] As a preferred embodiment of this utility model, both the first and second adjustable slide plates are provided with a transport mechanism on their side surfaces. The transport mechanism includes a reinforcing plate, which is slidably connected to the side surfaces of the first and second adjustable slide plates respectively. A baffle is fixedly connected to the upper surface of the reinforcing plate, and an engaging rod is slidably connected inside the baffle. The engaging rod is engaged with the upper surfaces of the first and second adjustable slide plates respectively. A support plate is fixedly connected to the lower surface of the reinforcing plate, and the support plate is located above the conveyor belt. A rubber pad is provided on the upper surface of the support plate.

[0016] The above technical solution involves pushing two sets of reinforcing plates in opposite directions to adjust the spacing between them, and pushing the fitting rod downwards so that it can penetrate the baffle and extend into the interior of the first and second adjusting slide plates to fix the reinforcing plates. This allows large automotive parts to be placed on the surface of the pallet, and with the transmission of the conveyor belt, small automotive parts can be transported.

[0017] Compared with the prior art, this utility model provides a component conveying device for automobile component production, which has the following beneficial effects:

[0018] 1. This utility model inserts a load-bearing roller through the gap of the conveyor belt, while the lower surface of the adjusting roller is in contact with the inner bottom wall of the conveyor belt. Utilizing the weight of the load-bearing roller, when the conveyor belt becomes slack, the load-bearing roller can use a slider to slide inside the chute to compress the spring. This allows the load-bearing roller to drive the open box and the adjusting roller to move downward together, pushing the conveyor belt and thus increasing the tension between the conveyor belts. When the load-bearing roller moves downward, the slider can drive the baffle plate to move together, using the baffle plate to block the spring compressed by the slider, preventing the spring from popping out from inside the chute. In conjunction with the chute, the spring can be limited, thus making it less susceptible to spring sway when the load-bearing roller adjusts the tension of the conveyor belt in real time.

[0019] 2. This utility model adjusts the spacing between two sets of reinforcing plates by pushing them in opposite directions. After the spacing between the two sets of reinforcing plates is adjusted, the fitting rod can be pushed downward so that it can pass through the baffle and extend into the interior of the first and second adjusting slide plates to fix the reinforcing plates. This allows large-volume automotive parts to be placed on the surface of the pallet. Because the surface of the pallet is equipped with rubber pads, it can increase the friction between the automotive parts on the pallet, preventing the automotive parts from falling or shaking during transportation. Combined with the transmission of the conveyor belt, it can transport small-volume automotive parts, thereby improving the transportation efficiency of automotive parts. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall internal structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the conveyor belt structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the adjustment mechanism structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the internal structure of the mounting plate of this utility model;

[0024] Figure 5 This is a schematic diagram of the guiding mechanism and conveying mechanism of this utility model;

[0025] Figure 6 This is a schematic diagram of the consignment mechanism of this utility model;

[0026] Figure 7 This is a schematic diagram of the internal structure of the first housing of this utility model.

[0027] The components include: 1. Conveying table; 2. Conveyor belt; 3. Guiding mechanism; 301. First support plate; 302. Sliding sleeve; 303. Guide rod; 304. First connecting seat; 4. First motor; 5. First housing; 6. Conveying mechanism; 601. Second support plate; 602. Second housing; 603. Second motor; 604. Lead screw; 605. Second connecting seat; 606. Threaded sleeve; 7. First sliding mechanism; 701. First adjusting slide plate. 8. Second sliding mechanism; 801. Second adjusting slide plate; 9. Consignment mechanism; 901. Reinforcing plate; 902. Rubber pad; 903. Pallet; 904. Fitting rod; 905. Baffle; 10. Transmission roller; 11. Adjusting mechanism; 110. Mounting plate; 111. Load-bearing roller; 112. Sliding block; 113. Baffle plate; 114. Open box; 115. Connecting rod; 116. Adjusting roller; 117. Spring; 118. Slide groove. Detailed Implementation

[0028] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0029] First embodiment:

[0030] Please see Figure 1-4 A component conveying device for automotive component production includes a conveyor table 1, the shape of which is as follows: Figure 1 As shown, a rectangular frame has a transmission roller 10 mounted on the front and back of the frame via bearings. The two transmission rollers are at the same height. The transmission roller 10 is movably connected to the inside of the conveyor table 1 via bearings. The two ends of the conveyor belt 2 are respectively fitted onto the two transmission rollers 10. The front surface of the conveyor table 1 is fixedly connected to the first housing 5. The first housing 5 is equipped with the first motor 4, and the output end of the first motor 4 is fixedly connected to the transmission roller 10. The above part is the existing conveyor belt structure. Compared with the prior art, this device is equipped with an adjustment structure 11 installed between the upper and lower two conveyor belts 2 for adjusting the tension of the conveyor belt 2. The inner wall of the conveyor table 1 is equipped with the adjustment mechanism 11. The upper surface of the conveyor table 1 is equipped with the guide mechanism 3 and the upper surface of the conveyor table 1 is equipped with the conveying mechanism 6.

[0031] Specifically, the adjustment mechanism 11 includes a mounting plate 110, the shape of which is as follows: Figure 4As shown, a vertical groove 118 is opened on one side of the mounting plate 110. A spring 117 is placed inside the groove 118. The lower end of the spring 117 is welded and fixed inside the bottom of the groove 118. The upper end of the spring 117 is fixed to a slider 112, which is also in the groove 118. The slider 112 has a smooth surface and can slide in the groove 118. The slider 112 is slidably connected inside the groove 118 and is fixedly connected to the spring 117. A load-bearing roller 111 is fixedly connected to the front surface of the slider 112. A connecting rod 115 is fixedly connected to the lower surface of the load-bearing roller 111. An open box 114 is fixedly connected to the end of the connecting rod 115 away from the load-bearing roller 111. An adjusting roller 116 is movably connected to the inside of the open box 114 through a bearing. A baffle plate 113 is fixedly connected to the lower surface of the slider 112.

[0032] Connect the first motor 4 to an external power source and start it to drive the transmission roller to rotate. When the transmission roller 10 rotates, it drives the conveyor belt 2 to rotate, allowing small automotive parts to be placed on the surface of the conveyor belt 2 for transport. When the conveyor belt 2 is transporting small automotive parts, the load-bearing roller 111 penetrates into the gap of the conveyor belt 2, and the lower surface of the adjusting roller 116 is in contact with the inner bottom wall of the conveyor belt 2. Using the weight of the load-bearing roller 111, when the conveyor belt 2 becomes slack, the load-bearing roller 111 can slide inside the groove 118 using the slider 112 to support the spring 1. 17. Squeezing causes the load-bearing roller 111 to move the open box 114 and the adjusting roller 116 downward together to push the conveyor belt 2, thereby increasing the tension between the conveyor belts 2. When the load-bearing roller 111 moves downward, the slider 112 can move the baffle plate 113 together. The baffle plate 113 can block the spring 117 squeezed by the slider 112 to prevent the spring 117 from popping out from the inside of the slide groove 118. The slide groove 118 can limit the spring 117, so that the load-bearing roller 111 is not easily shaken by the spring 117 when adjusting the tension of the conveyor belt 2 in real time.

[0033] Second embodiment:

[0034] Please see Figure 1 and Figure 5 The guiding mechanism 3 includes a first support plate 301, which is fixedly connected to the upper surface of the conveyor table 1. A first connecting seat 304 is fixedly connected to the side surface of the first support plate 301. A guide rod 303 is fixedly connected inside the first connecting seat 304. A sliding sleeve 302 is sleeved on the side surface of the guide rod 303.

[0035] When the second adjusting slide plate 801 drives the first adjusting slide plate 701 to slide left and right, the connection between the first adjusting slide plate 701 and the sliding sleeve 302 allows the first adjusting slide plate 701 to drive the sliding sleeve 302 to slide on the surface of the guide rod 303. The sliding of the sliding sleeve 302 can guide and limit the left and right movement of the threaded sleeve 606, thereby enabling the normal transport of large-volume automotive parts.

[0036] Third embodiment:

[0037] Please see Figure 1 and Figure 5 The conveying mechanism 6 includes a second support plate 601, which is fixedly connected to the upper surface of the conveying table 1. The second support plate 601 is located in front of the first support plate 301. A second connecting seat 605 is fixedly connected to the side surface of the second support plate 601. A lead screw 604 is movably connected to the inside of the second connecting seat 605 through a bearing. A threaded sleeve 606 is sleeved on the side surface of the lead screw 604. A second housing 602 is fixedly connected to the side surface of the second support plate 601. A second motor 603 is installed inside the second housing 602, and the output end of the second motor 603 is fixedly connected to the lead screw 604.

[0038] The second motor 603 is a stepper motor. Connecting the second motor 603 to an external power source and starting it will drive the lead screw 604 to rotate. Since the threaded sleeve 606 is threadedly connected to the lead screw 604, the threaded sleeve 606 can move left and right according to the rotation of the lead screw 604. The left and right movement of the threaded sleeve 606 can drive the second adjusting slide plate 801 to move left and right. Since the second adjusting slide plate 801 is fixedly connected to the first adjusting slide plate 701, when the second adjusting slide plate 801 slides left and right, it can drive the first adjusting slide plate 701 to move together, thereby facilitating the transport of large-volume automotive parts by the pallet 903.

[0039] Fourth embodiment:

[0040] Please see Figure 1 and Figure 5 The front surface of the first connecting seat 304 is provided with a first sliding mechanism 7. The first sliding mechanism 7 includes a first adjusting slide plate 701, and the first adjusting slide plate 701 is slidably connected to the first connecting seat 304. The rear surface of the first adjusting slide plate 701 passes through the first connecting seat 304 and is fixedly connected to the sliding sleeve 302.

[0041] When a set of reinforcing seats slides with the first adjusting slide plate 701, the reinforcing seats can be adjusted according to the width of the automotive parts, making it convenient to transport large automotive parts.

[0042] Fifth embodiment:

[0043] Please see Figure 1 and Figure 5 The rear surface of the second connecting seat 605 is provided with a second sliding mechanism 8. The second sliding mechanism 8 includes a second adjusting slide plate 801, and the second adjusting slide plate 801 is slidably connected to the second connecting seat 605. The front surface of the second adjusting slide plate 801 penetrates the interior of the second connecting seat 605 and is fixedly connected to the threaded sleeve 606.

[0044] Another set of reinforcing plates 901 can slide on the surface of the second adjusting plate. The sliding of one set of reinforcing plates 901 makes it easy to adjust the distance between the two sets of reinforcing plates 901, thereby facilitating the adjustment of the distance according to the size of the automotive parts.

[0045] Sixth embodiment:

[0046] Please refer to 6. The side surfaces of the first adjusting slide plate 701 and the second adjusting slide plate 801 are provided with a transport mechanism 9. The transport mechanism 9 includes a reinforcing plate 901, and the reinforcing plate 901 is slidably connected to the side surfaces of the first adjusting slide plate 701 and the second adjusting slide plate 801 respectively. A baffle 905 is fixedly connected to the upper surface of the reinforcing plate 901. A fitting rod 904 is slidably connected inside the baffle 905, and the fitting rod 904 is fitted and connected to the upper surfaces of the first adjusting slide plate 701 and the second adjusting slide plate 801 respectively. A support plate 903 is fixedly connected to the lower surface of the reinforcing plate 901, and the support plate 903 is located above the conveyor belt 2. A rubber pad 902 is provided on the upper surface of the support plate 903.

[0047] Since the two sets of reinforcing plates 901 are slidably connected to the first adjusting slide plate 701 and the second adjusting slide plate 801 respectively, the two sets of reinforcing plates 901 can be pushed in opposite directions to adjust the distance between the reinforcing plates 901. After the distance between the two sets of reinforcing plates 901 is adjusted, the fitting rod 904 can be pushed downward so that it can pass through the baffle 905 and extend into the interior of the first adjusting slide plate 701 and the second adjusting slide plate 801 to fix the reinforcing plate 901. Thus, large-volume automotive parts can be placed on the surface of the pallet 903. Since the surface of the pallet 903 is provided with a rubber pad 902, it can increase the friction between the automotive parts on the pallet 903 and prevent the automotive parts from falling or shaking during the conveying process. With the transmission of the conveyor belt 2, it can transport small-volume automotive parts.

[0048] In use, the first motor 4 is started to drive the conveyor roller to rotate. When the transmission roller 10 rotates, it drives the conveyor belt 2 to rotate, allowing small automotive parts to be placed on the surface of the conveyor belt 2 for conveying. Since the load-bearing roller 111 penetrates into the gap of the conveyor belt 2, and the lower surface of the adjusting roller 116 is in contact with the inner bottom wall of the conveyor belt 2, the weight of the load-bearing roller 111 causes the conveyor belt 2 to slack. The load-bearing roller 111 can use the slider 112 to slide inside the groove 118 to squeeze the spring 117, so that the load-bearing roller 111 can drive the open box 114 and the adjusting roller 116 to move downward together to push the conveyor belt 2, thereby adjusting the tension between the conveyor belts 2. The two sets of reinforcing plates 901 are pushed in opposite directions to adjust the distance between the reinforcing plates 901. After the spacing is adjusted, the fitting rod 904 can be pushed downwards so that it can pass through the baffle 905 and extend into the interior of the first adjusting slide plate 701 and the second adjusting slide plate 801 to fix the reinforcing plate 901. This allows large automotive parts to be placed on the surface of the pallet 903. Starting the second motor 603 can drive the lead screw 604 to rotate. Since the threaded sleeve 606 is threadedly connected to the lead screw 604, the threaded sleeve 606 can move left and right according to the rotation of the lead screw 604. The left and right movement of the threaded sleeve 606 can drive the second adjusting slide plate 801 to move left and right. Since the second adjusting slide plate 801 is fixedly connected to the first adjusting slide plate 701, when the second adjusting slide plate 801 slides left and right, it can drive the first adjusting slide plate 701 to move together, thus facilitating the pallet 903 to transport large automotive parts.

[0049] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents. The above embodiments are only one of the preferred embodiments of the present invention and should not be used to limit the scope of protection of the present invention. Any modifications or refinements made to the main design concept and spirit of the present invention that are not of substantial significance, but solve the same technical problem as the present invention, should be included within the scope of protection of the present invention.

Claims

1. A parts conveying device for the production of automotive parts, comprising a conveying table (1), characterized in that: The conveyor platform (1) is connected to a transmission roller (10) via a bearing. A conveyor belt (2) is fitted onto the side surface of the transmission roller (10). A first housing (5) is fixedly connected to the front surface of the conveyor platform (1). A first motor (4) is installed inside the first housing (5), and the output end of the first motor (4) is fixedly connected to the transmission roller (10). An adjustment mechanism (11) is installed on the inner wall of the conveyor platform (1). A guide mechanism (3) is installed on the upper surface of the conveyor platform (1). A conveying mechanism (6) is installed on the upper surface of the conveyor platform (1). The adjustment mechanism (11) includes a mounting plate (110), the rear surface of the mounting plate (110) is provided with a slide groove (118), a spring (117) is fixedly connected inside the slide groove (118), a slider (112) is slidably connected inside the slide groove (118), and the slider (112) is fixedly connected to the spring (117). A load-bearing roller (111) is fixedly connected to the front surface of the slider (112), a connecting rod (115) is fixedly connected to the lower surface of the load-bearing roller (111), an open box (114) is fixedly connected to the end of the connecting rod (115) away from the load-bearing roller (111), an adjustment roller (116) is movably connected inside the open box (114) through a bearing, and a baffle plate (113) is fixedly connected to the lower surface of the slider (112).

2. A parts conveying device for the production of automobile parts according to claim 1, characterized in that: The guiding mechanism (3) includes a first support plate (301), and the first support plate (301) is fixedly connected to the upper surface of the conveyor table (1). A first connecting seat (304) is fixedly connected to the side surface of the first support plate (301), and a guide rod (303) is fixedly connected inside the first connecting seat (304). A sliding sleeve (302) is sleeved on the side surface of the guide rod (303).

3. A parts conveying device for the production of automobile parts as claimed in claim 1, characterized in that: The conveying mechanism (6) includes a second support plate (601), and the second support plate (601) is fixedly connected to the upper surface of the conveying table (1). The second support plate (601) is located in front of the first support plate (301). A second connecting seat (605) is fixedly connected to the side surface of the second support plate (601). A lead screw (604) is movably connected inside the second connecting seat (605) through a bearing. A threaded sleeve (606) is sleeved on the side surface of the lead screw (604). A second housing (602) is fixedly connected to the side surface of the second support plate (601). A second motor (603) is provided inside the second housing (602), and the output end of the second motor (603) is fixedly connected to the lead screw (604).

4. A parts conveying device for the production of automobile parts according to claim 2, characterized in that: The front surface of the first connecting seat (304) is provided with a first sliding mechanism (7), the first sliding mechanism (7) includes a first adjusting slide plate (701), and the first adjusting slide plate (701) is slidably connected to the first connecting seat (304). The rear surface of the first adjusting slide plate (701) passes through the first connecting seat (304) and is fixedly connected to the sliding sleeve (302).

5. A component conveying device for automotive component production according to claim 3, characterized in that: The rear surface of the second connecting seat (605) is provided with a second sliding mechanism (8). The second sliding mechanism (8) includes a second adjusting slide plate (801), and the second adjusting slide plate (801) is slidably connected to the second connecting seat (605). The front surface of the second adjusting slide plate (801) passes through the interior of the second connecting seat (605) and is fixedly connected to the threaded sleeve (606).

6. A component conveying device for automotive component production according to claim 4, characterized in that: The first adjusting slide plate (701) and the second adjusting slide plate (801) are provided with a transport mechanism (9) on their side surfaces. The transport mechanism (9) includes a reinforcing plate (901), and the reinforcing plate (901) is slidably connected to the side surfaces of the first adjusting slide plate (701) and the second adjusting slide plate (801) respectively. A baffle (905) is fixedly connected to the upper surface of the reinforcing plate (901). A fitting rod (904) is slidably connected inside the baffle (905), and the fitting rod (904) is fitted and connected to the upper surfaces of the first adjusting slide plate (701) and the second adjusting slide plate (801) respectively. A support plate (903) is fixedly connected to the lower surface of the reinforcing plate (901), and the support plate (903) is located above the conveyor belt (2). A rubber pad (902) is provided on the upper surface of the support plate (903).

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