An adjustable anti-static bag support platform

Abstract

The utility model relates to the technical field of product packaging equipment, and in particular to an adjustable anti-static bag support platform, comprising a mounting plate, on which a first support module and a second support module arranged in a mirror image are movably provided, and the first support module and the second support module can move in directions close to or away from each other; the first support module comprises a plurality of first support parts arranged side by side, and the second support module comprises a plurality of second support parts arranged side by side, and the first support part and the second support part are arranged side by side; a driving module for driving the first support part and the second support part to move in opposite directions is provided on the mounting plate; the spacing between the plurality of first support parts will gradually increase or decrease during the movement, and the spacing between the plurality of second support parts will gradually increase or decrease during the movement; under the action of arranging the plurality of first support parts and the plurality of second support parts, the adjustment range is large, and products of larger sizes can be supported.

Description

Technical Field

[0001] The utility model relates to the technical field of product packaging equipment, in particular to an adjustable anti-static bag supporting platform. Background Art

[0002] Antistatic bags are a type of packaging material made of special materials with excellent antistatic properties. They are usually used to package and store electronic products, components and parts that are sensitive to static electricity to prevent static electricity from damaging the products. However, after the electronic paper is processed, it needs to be packaged in antistatic bags. When packaging, it will be done on a support platform. The existing conveyor belt mechanism that can be supported is as follows:

[0003] The Chinese patent document with publication number CN110002169A discloses a single-axis adjustable spacing conveyor belt mechanism, which specifically discloses: it includes a conveyor belt bracket, a support rod is provided in the conveyor belt bracket, at least one movable support plate is slidably provided on the support rod, the movable support plates are respectively penetrated by adjustment rods parallel to the support rods, the adjustment rods are connected and drive the movable support plates to move along the support rods, shift blocks are provided on both sides of the movable support plates, a belt transmission line is sleeved on the movable support plates, and the belt transmission line runs under the drive of a single-axis driving mechanism, the single-axis driving mechanism includes a driving motor, the output shaft of the driving motor is connected to a transmission main shaft, the transmission main shaft is arranged in the conveyor belt bracket, a driving wheel is provided on the transmission main shaft, the driving wheel is clamped between the shift blocks, the driving wheel is connected through a conveyor belt and drives the tensioning wheels arranged at both ends of the adjustable support plate to form a belt transmission line.

[0004] As can be seen from the above, the existing conveyor belt mechanism adjusts the spacing between the movable support plates to adjust the spacing between the belts to adapt to the conveyance of products of different specifications. However, the existing conveyor belt mechanism is only provided with two belts, so that the adjustment range is limited and it is not suitable for products of larger size. Therefore, an adjustable anti-static bag support platform is provided to solve the above technical problems. Utility Model Content

[0005] The utility model aims to provide an adjustable antistatic bag support platform in view of the deficiencies in the prior art, so as to solve the technical problem that the conveyor belt mechanism is only provided with two belts, thus limiting the adjustment range.

[0006] To achieve the above purpose, the technical solution of the utility model is as follows:

[0007] An adjustable antistatic bag support platform includes a mounting plate, on which a first support module and a second support module arranged in a mirror image are movably provided, and the first support module and the second support module can move in directions approaching or moving away from each other; the first support module includes a plurality of first support parts arranged side by side, and the second support module includes a plurality of second support parts arranged side by side, and the first support part and the second support part are arranged side by side; a driving module for driving the first support part and the second support part to move in opposite directions is provided on the mounting plate; the spacing between the plurality of first support parts will gradually increase or decrease during the movement, and the spacing between the plurality of second support parts will gradually increase or decrease during the movement.

[0008] Furthermore, the second supporting part includes a horizontally arranged supporting rod for supporting the packaged electronic paper, a fixing frame is installed on the supporting rod, and the fixing frame is horizontally slidably arranged on the mounting plate; a fixing plate is arranged on the supporting rod, and the driving module is used to drive the fixing plate to move.

[0009] Furthermore, a first slide rail whose length direction is consistent with the sliding direction of the support rod is arranged on the mounting plate, and a first slider is arranged on the fixing frame, and the first slider is slidably arranged on the first slide rail.

[0010] Furthermore, a first transmission wheel is provided at both ends of each support rod, and a conveyor belt is wound around the first transmission wheel. The upper half of the conveyor belt wound around the first transmission wheel is placed on the top of the support rod, and the lower half is placed on the bottom of the support rod.

[0011] Furthermore, a mounting piece is provided at the bottom of the support rod, and a pair of second transmission wheels are provided at the upper end of the mounting piece, a third transmission wheel is rotatably provided at the lower end of the mounting piece, and the lower half of the conveyor belt placed at the bottom of the support rod is wound around the second transmission wheel and the third transmission wheel; a third support block is provided on the mounting plate, and a hexagonal shaft whose axial direction is consistent with the sliding direction of the support rod is rotatably provided on the third support block, an axial hole for the hexagonal shaft to pass through is provided at the center point of the third transmission wheel, and a servo motor whose output shaft is connected to the end of the hexagonal shaft is installed on the mounting plate.

[0012] Furthermore, an adhesive portion is provided on the upper half of the conveyor belt placed on the top of the support rod, and the adhesive portion is used to adhere to the anti-static bag placed on the conveyor belt.

[0013] Furthermore, the driving module includes a first driving part for driving a plurality of first supporting parts to move in the same direction, and a second driving part for driving a plurality of second supporting parts to move in the same direction; the second driving part includes a plurality of second supporting blocks arranged on the mounting plate, and the number of the second supporting blocks is consistent with the number of the second supporting parts, and a second screw rod is rotatably provided on each second support block, and the plurality of second screw rods are arranged side by side and the axial direction is perpendicular to the sliding direction of the support rod, and different second screw rods are respectively threadedly connected to different fixing plates; the pitch of each second screw rod increases or decreases in sequence in the side-by-side order.

[0014] Furthermore, a plurality of vertically arranged guide rods are provided on the mounting plate, and a lifting frame is slidably provided on the guide rods, and sliding rods whose number is the same as the number of conveyor belts are horizontally slidably provided on the lifting frame, and fixed blocks are provided on the sides of each support rod, and the sliding rods are slidably arranged on different fixed blocks up and down respectively; a lifting plate for pushing the packaged electronic paper to the detached adhesive portion is provided on the top of each sliding rod, and the top surface of the lifting plate is lower than the top surface of the upper half of the conveyor belt.

[0015] Furthermore, a cylinder with a telescopic rod arranged upward is also installed on the mounting plate, and the end of the telescopic rod of the cylinder is fixedly arranged on the lifting frame.

[0016] Furthermore, a second slide rail is provided on the lifting frame, the length direction of which is consistent with the moving direction of the first support part, a second slider is fixed at the bottom end of each slide rod, and the second slider is slidably arranged on the second slide rail.

[0017] The beneficial effects of the utility model are as follows: by operating the driving module to drive the first support part and the second support part to move in a direction away from each other, during the movement of the first support parts, the distance between the first support parts will gradually increase, and during the movement of the second support parts, the distance between the second support parts will also gradually increase, so that a larger anti-static bag can be placed on the first support part and the second support part; similarly, when the first support part and the second support part are driven to move in a direction approaching each other, the distance between the first support parts and the second support parts will gradually decrease to place a smaller anti-static bag, and the size of the distance can be adjusted to realize the packaging of electronic paper of different sizes.

[0018] By running the driving module to drive the adjustment of the distance between the first support part and the second support part, the distance between the plurality of first support parts and the plurality of second support parts is also adjusted, so that the size of the top surface of the support platform (composed of the plurality of first support parts and the plurality of second support parts) can be automatically adjusted, and with the setting of the plurality of first support parts and the plurality of second support parts, the adjustment range is large and larger-sized products can be supported. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0020] Figure 2 It is a partial structural schematic diagram of the utility model.

[0021] Figure 3 It is a structural schematic diagram of the second supporting part of the utility model.

[0022] Reference numerals include:

[0023] 401281, mounting plate; 401282, first support portion; 401283, second support portion; 4012831, support rod; 4012832, first transmission wheel; 4012833, conveyor belt; 40128331, adhesive portion; 4012834, mounting member; 4012835, second transmission wheel; 4012836, third transmission wheel; 4012837, fixing plate; 4012838, fixing frame; 4012839, first slider; 40128310, first slide rail; 401284, drive module; 401283 12841. first support block; 4012842. second support block; 4012843. first screw rod; 4012844. second screw rod; 401285. lifting frame; 401286. guide rod; 401287. cylinder; 401288. fixed block; 401289. slide rod; 4012810. lifting plate; 4012811. second slide block; 4012812. second slide rail; 4012813. third support block; 4012814. hexagonal shaft; 4012815. servo motor; 4012816. shaft hole. DETAILED DESCRIPTION

[0024] The following is a detailed description of an adjustable anti-static bag support platform of the utility model in conjunction with the accompanying drawings.

[0025] like Figure 1-2As shown, an embodiment of an adjustable anti-static bag support platform of the utility model includes a mounting plate 401281, on which a first support module and a second support module arranged in a mirror image are movably provided, the tops of the first support module and the second support module are packaging platforms for packaging electronic paper, and the first support module and the second support module can move in directions approaching or moving away from each other, wherein the first support module includes a plurality of first support portions 401282 arranged side by side, and the second support module includes a plurality of second support portions 401283 arranged side by side, and the first support portions 401282 and the second support portions 401283 are arranged side by side; the plurality of first support portions 401282 move in the same direction on the mounting plate 401281, and the plurality of second support portions 401283 also move in the same direction on the mounting plate 401281, so that the first support portions 401282 and the second support portions 401283 can move closer to or away from each other. In addition, a driving module 401284 for driving the first supporting portion 401282 and the second supporting portion 401283 to move in opposite directions is provided on the mounting plate 401281; when the driving module 401284 is operated to drive the first supporting portion 401282 and the second supporting portion 401283 to move in directions away from each other, during the movement of the plurality of first supporting portions 401282, the spacing between the first supporting portions 401282 will gradually increase, and during the movement of the plurality of second supporting portions 401283 In the embodiment, the spacing between the second support parts 401283 will also gradually increase, so that a larger antistatic bag can be placed on the first support part 401282 and the second support part 401283; similarly, when the first support part 401282 and the second support part 401283 are driven to move in a direction close to each other, the spacing between the first support parts 401282 and the second support parts 401283 will gradually decrease, so as to place a smaller antistatic bag, and adjust the size of the spacing to achieve packaging of electronic papers of different sizes. By running the driving module 401284 to drive and adjust the spacing between the first support part 401282 and the second support part 401283, the spacing between the first support parts 401282 and the second support parts 401283 is also adjusted, so that the size of the top surface of the support platform (including the first support parts 401282 and the second support parts 401283) can be automatically adjusted.

[0026] like Figure 3As shown, the second support portion 401283 includes a support rod 4012831 which is horizontally arranged and used to support the packaged electronic paper. The process of packaging the electronic paper through an anti-static bag is carried out on the top surface of the support rod 4012831. A fixing frame 4012838 is installed on the support rod 4012831, and the fixing frame 4012838 is horizontally slidably arranged on the mounting plate 401281; specifically, a first slide rail 40128310 whose length direction is consistent with the sliding direction of the support rod 4012831 is also arranged on the mounting plate 401281, and a first slider 4012839 is arranged on the fixing frame 4012838. The first slider 4012839 is slidably arranged on the first slide rail 40128310. Under the action of the first slider 4012839 and the first slide rail 40128310, the support rod 4012831 can slide more stably on the mounting plate 401281. Among them, a fixing plate 4012837 is also provided on the support rod 4012831, and the driving module 401284 is used to drive the fixing plate 4012837 to move, and drive the fixing plate 4012837 to move to drive the support rod 4012831 to slide on the mounting plate 401281, thereby driving several support rods 4012831 to move in the same direction, and at the same time, the spacing between the support rods 4012831 can also be adjusted.

[0027] The first support part 401282 and the second support part 401283 have the same structure. The driving module 401284 drives the plurality of support rods 4012831 to move in the same direction while also driving the second support part 401283 to move in the opposite direction, and the spacing can also be adjusted. By adjusting the spacing between the first support part 401282 and the second support part 401283, electronic papers of different sizes can be accommodated.

[0028] After the stacked electronic papers are packed in anti-static bags, in order to transport the packed electronic papers to the next mechanism for bagging, first transmission wheels 4012832 are provided at both ends of each support rod 4012831, and a conveyor belt 4012833 is wound around the first transmission wheel 4012832, and the upper half of the conveyor belt 4012833 wound around the first transmission wheel 4012832 is placed on the top of the support rod 4012831, and the lower half is placed on the bottom of the support rod 4012831; after the electronic papers are packed in anti-static bags, the packed electronic papers are placed on the top of the support rod 4012831, and the upper half of the conveyor belt 4012833 is placed between the packed electronic papers and the support rod 4012831, and then the conveyor belt 4012833 is driven to move, thereby conveying the packed electronic papers to be transported out of the support platform.

[0029] Additionally, an adhesive portion 40128331 is provided on the upper half of the conveyor belt 4012833 placed on the top of the support rod 4012831. The adhesive portion 40128331 is an industrial product such as a double-sided tape that can stick to the anti-static bag. After the anti-static bag is placed on the conveyor belt 4012833, it is stuck under the action of the adhesive portion 40128331, so that in the subsequent process of packaging the electronic paper, the anti-static bag will not be offset, thereby improving the packaging effect of the electronic paper.

[0030] In order to drive the conveyor belt 4012833 to move, a mounting member 4012834 is provided at the bottom of the support rod 4012831, and a pair of second transmission wheels 4012835 are provided at the upper end of the mounting member 4012834, and a third transmission wheel 4012836 is rotatably provided at the lower end of the mounting member 4012834, and the lower half of the conveyor belt 4012833 placed at the bottom of the support rod 4012831 is wound around the second transmission wheel 4012835 and the third transmission wheel 4012836. By driving the third transmission wheel 4012836 to rotate, the conveyor belt 4012833 can be driven to move, so as to transport the packaged electronic paper out of the support rod 4012831. In order to drive the third transmission wheel 4012836 to rotate, a third support block 4012813 is provided on the mounting plate 401281, and a hexagonal shaft 4012814 whose axial direction is consistent with the sliding direction of the support rod 4012831 is rotatably provided on the third support block 4012813. In addition, an axial hole 4012816 for the hexagonal shaft 4012814 to pass through is provided at the center point of the third transmission wheel 4012836. By driving the hexagonal shaft 4012814 to rotate, the third transmission wheel 4012836 is driven to rotate, thereby driving the conveyor belt 4012833 to move to transport the packaged electronic paper. By setting the hexagonal shaft 4012814, when the spacing between the support rods 4012831 is adjusted, the third transmission wheel 4012836 can slide on the hexagonal shaft 4012814 along its axial direction, so that the third transmission wheel 4012836 can always drive the hexagonal shaft 4012814 to rotate while being driven by the support rods 4012831. Further, a servo motor 4012815 is installed on the mounting plate 401281, and the output shaft of the servo motor 4012815 is connected to the end of the hexagonal shaft 4012814. The servo motor 4012815 is operated to drive the hexagonal shaft 4012814 to rotate, thereby driving the third transmission wheel 4012836 to rotate.

[0031] like Figure 2As shown, the driving module 401284 includes a first driving part for driving a plurality of first supporting parts 401282 to move in the same direction, and a second driving part for driving a plurality of second supporting parts 401283 to move in the same direction. The first driving part and the second driving part operate simultaneously to drive the first supporting parts 401282 and the second supporting parts 401283 to move in opposite directions. The second driving part includes a plurality of second supporting blocks 4012842 arranged on the mounting plate 401281, and the number of the second supporting blocks 4012842 is consistent with the number of the second supporting parts 401283. A second screw rod 4012844 is rotatably provided on each second supporting block 4012842. The plurality of second screw rods 4012844 are arranged side by side and their axial directions are perpendicular to the sliding direction of the support rod 4012831. Different second screw rods 4012844 are respectively connected to different fixing plates. 4012837 is threadedly connected, and by driving a plurality of second screw rods 4012844 to rotate simultaneously, a plurality of support rods 4012831 can be driven to move in the same direction under the action of a plurality of fixing plates 4012837; in addition, the pitches of the second screw rods 4012844 are different, and they become larger or smaller in sequence in a side-by-side order. When driving a plurality of support rods 4012831 to move in the same direction, the spacing between the support rods 4012831 will also become larger or smaller. The first driving part includes a plurality of first support blocks 4012841 arranged on the mounting plate 401281, and the number of the first support blocks 4012841 is consistent with the number of the first support parts 401282, and a first screw rod 4012843 is rotatably provided on each first support block 4012841, and the plurality of first screw rods 4012843 are arranged side by side and the axial direction is perpendicular to the sliding direction of the first support part 401282, and the second screw rod 4012844 is arranged opposite to the thread of the first screw rod 4012843; by driving the plurality of first screw rods 4012843 to rotate at the same time, the plurality of first support parts 401282 are driven to move in the same direction, and during the movement, the spacing between the first support parts 401282 gradually increases or decreases, and the movement directions of the first support parts 401282 and the second support parts 401283 are opposite. It can be seen that the structural difference between the first driving part and the second driving part is that the threads of the second screw rod 4012844 and the first screw rod 4012843 are opposite. Therefore, when the second screw rod 4012844 and the first screw rod 4012843 are driven to rotate at the same time, the first support part 401282 and the second support part 401283 can be driven to move in opposite directions, and the spacing between several first support parts 401282 and several second support parts 401283 will gradually increase or decrease.

[0032] Preferably, a plurality of vertically arranged guide rods 401286 are provided on the mounting plate 401281, and a lifting frame 401285 is slidably provided on the guide rods 401286, wherein the lifting frame 401285 is horizontally slidably provided with slide rods 401289 whose number is the same as the number of the conveyor belt 4012833, and a fixed block 401288 is provided on the side of each support rod 4012831 (a fixed block 401288 is also provided on the side of the support rod 4012831 of the second support part 401283), and the slide rods 401289 are respectively slidably provided on different fixed blocks 401288 up and down; by driving the lifting frame 401285 to slide up and down, a plurality of slide rods 401289 can be driven to move up and down together. A lifting plate 4012810 is provided on the top of each slide bar 401289 for pushing the packaged electronic paper to the detachment part 40128331, and the top surface of the lifting plate 4012810 is lower than the top surface of the upper half of the conveyor belt 4012833. When the lifting frame 401285 drives the slide bars 401289 to move up and down, it can also drive the lifting plates 4012810 to move up and down; in order to enable the lifting frame 401285 to move up and down automatically, a cylinder 401287 with a telescopic rod facing upward is also installed on the mounting plate 401281, and the end of the telescopic rod of the cylinder 401287 is fixedly arranged with the lifting frame 401285, and the lifting frame 401285 can be driven to move up and down by running the cylinder 401287. In addition, a second slide rail 4012812 is provided on the lifting frame 401285, and the length direction of the second slide rail 4012812 is consistent with the moving direction of the first support part 401282 (or the second support part 401283). A second slider 4012811 is fixed at the bottom end of each slide bar 401289, and the second slider 4012811 is slidably set on the second slide rail 4012812. Under the action of the second slider 4012811 and the second slide rail 4012812, each slide bar 401289 can slide more stably on the lifting frame 401285.

[0033] In summary, it can be seen that the utility model has the above-mentioned excellent characteristics, which can enhance the performance unprecedented in the prior art and become a product with great practical value.

[0034] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. An adjustable anti-static bag support platform, characterized in that: It comprises a mounting plate (401281), on which a first supporting module and a second supporting module arranged in a mirror image are movably provided, and the first supporting module and the second supporting module can move in a direction of approaching or moving away from each other; The first support module includes a plurality of first support parts (401282) arranged side by side, and the second support module includes a plurality of second support parts (401283) arranged side by side, and the first support parts (401282) and the second support parts (401283) are arranged side by side; a driving module (401284) for driving the first support parts (401282) and the second support parts (401283) to move in opposite directions is provided on the mounting plate (401281); the spacing between the plurality of first support parts (401282) will gradually increase or decrease during the movement, and the spacing between the plurality of second support parts (401283) will gradually increase or decrease during the movement.

2. The adjustable anti-static bag support platform according to claim 1, characterized in that: The second support part (401283) includes a support rod (4012831) arranged horizontally and used to support the packaged electronic paper, a fixing frame (4012838) is installed on the support rod (4012831), and the fixing frame (4012838) is horizontally slidably arranged on the mounting plate (401281); a fixing plate (4012837) is arranged on the support rod (4012831), and the driving module (401284) is used to drive the fixing plate (4012837) to move.

3. The adjustable anti-static bag support platform according to claim 2, characterized in that: A first slide rail (40128310) having a length direction consistent with the sliding direction of the support rod (4012831) is arranged on the mounting plate (401281), and a first slider (4012839) is arranged on the fixing frame (4012838), and the first slider (4012839) is slidably arranged on the first slide rail (40128310).

4. The adjustable anti-static bag support platform according to claim 2, characterized in that: A first transmission wheel (4012832) is provided at both ends of each support rod (4012831), and a conveyor belt (4012833) is wound around the first transmission wheel (4012832). The upper half of the conveyor belt (4012833) wound around the first transmission wheel (4012832) is placed on the top of the support rod (4012831), and the lower half is placed on the bottom of the support rod (4012831).

5. The adjustable anti-static bag support platform according to claim 4, characterized in that: A mounting member (4012834) is provided at the bottom of the support rod (4012831), and a pair of second transmission wheels (4012835) are provided at the upper end of the mounting member (4012834), and a third transmission wheel (4012836) is rotatably provided at the lower end of the mounting member (4012834), and the lower half of the conveyor belt (4012833) placed at the bottom of the support rod (4012831) is wound around the second transmission wheel (4012835) and the third transmission wheel (4012836); ) is provided with a third support block (4012813), and a hexagonal shaft (4012814) axially consistent with the sliding direction of the support rod (4012831) is rotatably provided on the third support block (4012813), an axial hole (4012816) for the hexagonal shaft (4012814) to pass through is provided at the center point of the third transmission wheel (4012836), and a servo motor (4012815) whose output shaft is connected to the end of the hexagonal shaft (4012814) is installed on the mounting plate (401281).

6. The adjustable anti-static bag support platform according to claim 4, characterized in that: The upper half of the conveyor belt (4012833) placed on the top of the support rod (4012831) is provided with an adhesive portion (40128331), and the adhesive portion (40128331) is used to adhere to the antistatic bag placed on the conveyor belt (4012833).

7. The adjustable anti-static bag support platform according to claim 2, characterized in that: The driving module (401284) includes a first driving part for driving a plurality of first supporting parts (401282) to move in the same direction, and a second driving part for driving a plurality of second supporting parts (401283) to move in the same direction; the second driving part includes a plurality of second supporting blocks (4012842) arranged on the mounting plate (401281), and the number of the second supporting blocks (4012842) is consistent with the number of the second supporting parts (401283); a second screw rod (4012844) is rotatably provided on each second supporting block (4012842); the plurality of second screw rods (4012844) are arranged side by side and the axial direction is perpendicular to the sliding direction of the support rod (4012831); different second screw rods (4012844) are respectively threadedly connected to different fixing plates (4012837); the pitch of each second screw rod (4012844) increases or decreases in sequence in a side-by-side order.

8. The adjustable anti-static bag support platform according to claim 6, characterized in that: A plurality of vertically arranged guide rods (401286) are provided on the mounting plate (401281), and a lifting frame (401285) is slidably provided on the guide rods (401286), and sliding rods (401289) whose number is the same as the number of the conveyor belt (4012833) are horizontally slidably provided on the lifting frame (401285), and a fixed block (401288) is provided on the side of each support rod (4012831), and the sliding rods (401289) are respectively slidably provided on different fixed blocks (401288) up and down; a lifting plate (4012810) for pushing the packaged electronic paper to the detachment portion (40128331) is provided on the top of each sliding rod (401289), and the top surface of the lifting plate (4012810) is lower than the top surface of the upper half of the conveyor belt (4012833).

9. The adjustable anti-static bag support platform according to claim 8, characterized in that: A cylinder (401287) with a telescopic rod arranged upward is also installed on the mounting plate (401281), and the end of the telescopic rod of the cylinder (401287) is fixedly arranged on the lifting frame (401285).

10. The adjustable anti-static bag support platform according to claim 9, characterized in that: A second slide rail (4012812) is provided on the lifting frame (401285), the length direction of which is consistent with the moving direction of the first support part (401282), and a second slider (4012811) is fixedly provided at the bottom end of each slide rod (401289), and the second slider (4012811) is slidably set on the second slide rail (4012812).

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