Laminated steel plate finished product charging device
By using a six-point magnetic attraction fixing method with a combination of support plate and electromagnet, the problems of human injury and unsatisfactory applicability of finished pressed steel plates during the loading process are solved. This method enables stable fixing and transfer of steel plates with different roughness and width, as well as safety warnings, thereby improving the safety and applicability of the loading process.
Patent Information
- Application Number
- CN202520576686.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Existing pressed steel sheet finished products have problems such as sharp edges causing human injury during the loading process, high labor intensity, and unsatisfactory applicability and stability. In particular, it is difficult to fix and transfer steel sheets with rough surfaces and different widths, and there is a lack of safety warnings.
It adopts a combination structure of support plate, cross-shaped electric slide rail, multi-stage electric telescopic rod, rotary drive assembly, vertical guide assembly, rectangular branch pipe, relative threaded horizontal drive assembly and electromagnet. It can adapt to steel plates with different roughness through six-point magnetic attraction fixation, adjust the electromagnet spacing to adapt to different widths, and is equipped with a remote control opening warning component for safety warning.
It enables stable fixing and transfer of pressed steel plates with different roughness and width, improves applicability and safety, reduces manual labor intensity, and enhances the safety of the loading process.
Smart Images

Figure CN223851695U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of compression steel plate, concretely is compression steel plate finished product charging device. BACKGROUND
[0002] Compression steel plate refers to the method that two or more layers of same or different materials are combined into a whole by heating and pressing with or without adhesive, also known as laminated steel plate, the finished compression steel plate product is generally needed to be stacked on a pallet, so as to facilitate the storage and transfer of the compression steel plate, and at present, the finished compression steel plate product is generally placed on the pallet by two people, the edges of the finished compression steel plate product are relatively sharp, and the manual handling process is prone to injury, and the labor intensity is large.
[0003] In this regard, according to the search report of the novelty search agency, the announcement number CN220886069U discloses a laminated steel plate finished product charging device, which comprises a supporting frame and a lifting plate, a plurality of suction cups are fixedly installed on the side of the lifting plate away from the supporting frame in a rectangular array, a transmission assembly is arranged on the side of the horizontal plate close to the lifting plate, a fixed disc is fixedly arranged on the transmission assembly, and a telescopic air cylinder is fixedly arranged on the side of the fixed disc away from the transmission assembly; the suction cups adsorb the laminated steel plate through an external air pump, and then the telescopic air cylinder drives the lifting plate to move, so that the laminated steel plate is placed on the pallet, which facilitates the stacking of the laminated steel plate, thereby achieving the purpose of convenient charging; the synchronous wheel is driven to rotate through the rotating shaft, the synchronous wheel drives the transmission shaft and the rotating shaft to rotate synchronously through the synchronous belt, the transmission shaft drives the fixed disc to rotate, the fixed disc drives the lifting plate to rotate, and the laminated steel plate is aligned with the pallet, which facilitates the rotation of the laminated steel plate, thereby achieving the purpose of convenient rotation.
[0004] The laminated steel plate finished product charging device disclosed in the above-mentioned technology adsorbs the laminated steel plate through the suction cups on both sides of the bottom, drives the adsorbed laminated steel plate to move horizontally and load it on the pallet, realizes easy charging of the laminated steel plate, and avoids the phenomenon that manual lifting is prone to injury, but the following deficiencies still exist during use:
[0005] 1. The suction cup adsorption method needs to ensure that the surface of the laminated steel plate is smooth, which is difficult to apply to the fixing and transferring work of rough laminated steel plates, the applicability is not ideal, and the fixing width cannot be adjusted according to laminated steel plates of different widths, and the stability is not ideal; 2. There is no obvious safety warning structure during fixing and transferring charging, and the safety is not good; therefore, the compression steel plate finished product charging device is provided to solve the above-mentioned problems. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a compression steel plate finished product charging device to solve the problems in the above-mentioned background technology.
[0007] In order to achieve the above object, the utility model provides the following technical scheme: the pressure -tight steel plate finished product loading device, including the support plate, the bottom four corners of support plate all are fixedly connected with the support leg, the bottom fixed mounting of support plate has cross -shaped electric slide rail, the mobile end bottom fixed mounting of cross -shaped electric slide rail has multistage electric telescopic handle, and multistage electric telescopic handle's protruding end fixedly connected with rotary drive subassembly, and the bottom of rotary drive subassembly is installed with rectangular branch pipe, and the both sides of rotary subassembly are fixedly connected with the vertical guide vertical guide subassembly for vertical guide between the mobile end bottom of cross -shaped electric slide rail.
[0008] The rectangular branch pipe is provided with a relative screw cross drive assembly, two electromagnets are fixedly connected to the bottom of the relative screw cross drive assembly and the bottom of the rectangular branch pipe, and a remote control opening warning assembly for controlling the opening and closing of the six electromagnets is fixedly installed on the top right side of the rectangular branch pipe.
[0009] Preferably, the rotary drive assembly comprises a back-shaped support fixedly connected to the protruding end of the multistage electric telescopic handle, the outer side of the back-shaped support is in cylindrical structure, a rotating shaft is rotatably embedded in the bottom of the back-shaped support, the bottom end of the rotating shaft is fixedly connected to the top of the rectangular branch pipe, the back-shaped support is rotatably installed on the top of the rectangular branch pipe, and a brake motor with the output shaft fixedly connected to the top end of the rotating shaft is fixedly installed on the inner wall of the top of the back-shaped support.
[0010] Preferably, the vertical guide assembly comprises an outer tube, the two outer tubes are fixedly connected to the two sides of the back-shaped support, an inner rod is slidably sleeved in the outer tube, and the top ends of the two inner rods are fixedly connected to the bottom of the mobile end of the cross-shaped electric slide rail.
[0011] Preferably, the relative screw cross drive assembly comprises two rectangular rods slidably sleeved in the rectangular branch pipe, two screw rods are rotatably installed in the rectangular branch pipe, a first umbrella-shaped gear is fixedly connected between the ends of the two screw rods close to each other, the screw threads of the two screw rods are opposite in direction, the two rectangular rods are threadedly sleeved on the corresponding screw rods respectively, a second umbrella-shaped gear is engaged with the bottom of the first umbrella-shaped gear, a drive motor with the output shaft fixedly connected to the bottom of the second umbrella-shaped gear is fixedly installed at the bottom of the rectangular branch pipe, the drive motor is located between the two electromagnets in the middle, and the bottoms of the two rectangular rods are fixedly installed with the corresponding two electromagnets respectively.
[0012] Preferably, the remote control opening warning assembly comprises a wireless remote control switch fixedly installed at the top right side of the rectangular support pipe, a warning light is fixedly installed at the top of the wireless remote control switch, the warning light and the six electromagnets are electrically connected with the wireless remote control switch, and the wireless remote control switch is provided with an external remote controller in a matched mode.
[0013] Preferably, the top of the rectangular support pipe is fixedly connected with a first bearing, and the inner ring of the first bearing is fixedly sleeved with the outer side of the back-shaped support.
[0014] Preferably, the side close to the two rectangular rods is provided with a threaded groove, and the threaded groove is in threaded connection with a corresponding screw rod.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] 1. The support plate, cross-shaped electric sliding rail, multi-stage electric telescopic rod, rotary drive assembly, vertical guide assembly, rectangular support pipe, relative screw horizontal drive assembly and electromagnet are matched, so that the six-point magnetic attraction fixing mode is used to fix and transfer the compression steel plates with different roughness, the applicability is improved, and the compression steel plate surface smoothness is not limited.
[0017] 2. The rectangular support pipe, relative screw horizontal drive assembly and electromagnet are matched, so that the distance between the electromagnets on the two sides can be flexibly adjusted according to the compression steel plates with different widths, the fixing width is flexibly adjusted according to the compression steel plates with different widths, the compression steel plates with different widths are stably adsorbed, the fixing stability and flexibility are improved.
[0018] 3. The remote control opening warning assembly and the electromagnet are matched, so that the safety warning is obvious to the surrounding personnel when the compression steel plates are fixed and transferred, the surrounding personnel can know the safety avoiding work in time, and the use safety is improved.
[0019] The utility model discloses a series of structures are set up, the six-point magnetic attraction fixing mode is used to fix and transfer the compression steel plates with different roughness, the applicability is improved, the fixing width is flexibly adjusted according to the compression steel plates with different widths, the compression steel plates with different widths are stably adsorbed, the fixing stability and flexibility are improved, and the safety warning is obvious to the surrounding personnel when the compression steel plates are fixed and transferred, the surrounding personnel can know the safety avoiding work in time, and the use safety is improved. ACCURACY OF DRAWINGS
[0020] Figure 1 It is the structure schematic view of the compression steel plate finished product charging device provided by the utility model;
[0021] Figure 2 It is the structure schematic view of the compression steel plate finished product charging device provided by the utility model; Figure 1
[0022] Figure 3 The utility model provides a back -shaped support three -dimensional schematic view of pressing steel plate finished product charging device.
[0023] In the drawing: 1, support plate; 101, support leg; 2, cross electric slide rail; 3, multistage electric telescopic rod; 301, back -shaped support; 302, clutch motor; 303, pivot; 4, rectangular branch pipe; 401, rectangular rod; 402, screw; 403, first umbrella gear; 404, second umbrella gear; 405, drive motor; 5, electromagnet; 6, outer tube; 601, inner rod; 7, wireless remote control switch; 701, warning light. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0025] As Figures 1 to 3 shown, the pressing steel plate finished product charging device provided by the embodiment comprises a support plate 1, support legs 101 are fixedly connected to the bottom corners of the support plate 1, a cross electric slide rail 2 is fixedly installed at the bottom of the support plate 1, a multistage electric telescopic rod 3 is fixedly installed at the moving end bottom of the cross electric slide rail 2, a rotary drive assembly is fixedly connected to the extension end of the multistage electric telescopic rod 3, a rectangular branch pipe 4 is installed at the bottom of the rotary drive assembly, vertical guide assemblies for vertical guiding are fixedly connected between the two sides of the rotary drive assembly and the moving end bottom of the cross electric slide rail 2; the rotary drive assembly is used for driving the rectangular branch pipe 4 to rotate and adjust, and is used for driving the rectangular branch pipe 4 to move up and down when the multistage electric telescopic rod 3 is started, and is used for driving the rectangular branch pipe 4 to move forward and backward and left and right when the cross electric slide rail 2 is started;
[0026] A relative screw horizontal drive assembly is installed in the rectangular branch pipe 4, two electromagnets 5 are fixedly connected to the bottom of the relative screw horizontal drive assembly and the bottom of the rectangular branch pipe 4, and a remote control opening warning assembly for controlling the opening and closing of the six electromagnets 5 is fixedly installed at the top right side of the rectangular branch pipe 4; the relative screw horizontal drive assembly is used for adjusting the spacing between the two electromagnets 5, so as to facilitate the stable adsorption of the pressing steel plates of different widths, and is used for adjusting the adsorption position or moving the adsorbed pressing steel plate for charging work when the rectangular branch pipe 4 moves up and down, forward and backward, left and right, and the remote control opening warning assembly is used for controlling the electromagnets 5 to start the adsorption work and giving obvious safety warning when the adsorption is transferred.
[0027] Specifically, the rotary drive assembly comprises a back-shaped support 301 fixedly connected to the extending end of the multi-stage electric telescopic rod 3, the outer side of the back-shaped support 301 is in a cylindrical structure, and the bottom of the back-shaped support 301 is rotatably embedded with a rotating shaft 303, wherein a circular embedding hole is formed in the bottom of the back-shaped support 301, a second bearing is fixedly sleeved in the circular embedding hole, the inner ring of the second bearing is fixedly sleeved with the outer side of the rotating shaft 303, thereby achieving the effect of rotatably mounting the rotating shaft 303, the bottom end of the rotating shaft 303 is fixedly connected with the top of the rectangular branch pipe 4, and the back-shaped support 301 is rotatably mounted on the top of the rectangular branch pipe 4, wherein the top of the rectangular branch pipe 4 is fixedly connected with a first bearing, the inner ring of the first bearing is fixedly sleeved with the outer side of the back-shaped support 301, thereby achieving the effect of rotatably mounting the rectangular branch pipe 4, and the top inner wall of the back-shaped support 301 is fixedly mounted with a brake motor 302 whose top end is fixedly connected with the rotating shaft 303; the back-shaped support 301, the rotating shaft 303 and the brake motor 302 are cooperated to drive the rectangular branch pipe 4 to rotate and adjust by the brake motor 302 through the rotating shaft 303, and the six electromagnets 5 are driven to rotate and change the loading direction of the adsorbed and transferred steel plates by the rectangular branch pipe 4.
[0028] Further, the vertical guide assembly comprises an outer pipe 6, the two sides close to each other of the two outer pipes 6 are fixedly connected with the two sides of the back-shaped support 301 respectively, and an inner rod 601 is slidably sleeved in the outer pipe 6, and the top end of each of the two inner rods 601 is fixedly connected with the bottom of the moving end of the cross-shaped electric sliding rail 2; the outer pipe 6 and the inner rod 601 are cooperated to vertically slide the two outer pipes 6 outside the corresponding inner rods 601 respectively when the back-shaped support 301 moves downward under the driving of the multi-stage electric telescopic rod 3, thereby achieving the vertical guidance of the back-shaped support 301.
[0029] Further, the relative screw cross drive assembly comprises two rectangular rods 401 slidingly sleeved in the rectangular branch pipe 4, wherein the bottom of the rectangular rod 401 is provided with a limiting groove, the inner wall of the bottom of the rectangular branch pipe 4 is fixedly connected with two limiting blocks, the limiting blocks are slidingly connected with the corresponding limiting grooves, and the limiting blocks have the effect of limiting and preventing the rectangular rod 401 from being separated, two screw rods 402 are rotatably installed in the rectangular branch pipe 4, wherein the top inner wall and the bottom inner wall of the rectangular branch pipe 4 are fixedly connected with two third bearings, the inner side of the inner ring of the third bearing is fixedly connected with the outer side of the screw rod 402, and the third bearing has the effect of rotatably installing the screw rod 402, one first umbrella-shaped gear 403 is fixedly connected between the ends close to each other of the two screw rods 402, the threads of the two screw rods 402 are opposite in rotation direction, the two rectangular rods 401 are threadedly sleeved on the corresponding screw rods 402, wherein the side close to each other of the two rectangular rods 401 is provided with a threaded groove, and the threaded groove is threadedly connected with the corresponding screw rod 402, by means of the threaded connection relationship between the screw rod 402 and the threaded groove and the opposite threaded rotation direction of the two screw rods 402, the effect of conveniently driving the two rectangular rods 401 to move away from each other or close to each other when the two screw rods 402 rotate is achieved, the bottom of the first umbrella-shaped gear 403 is meshed with a second umbrella-shaped gear 404, the bottom of the rectangular branch pipe 4 is fixedly connected with an output shaft and a driving motor 405 fixedly connected with the bottom of the second umbrella-shaped gear 404, the driving motor 405 is located between the two electromagnets 5 in the middle, and the bottom of the rectangular rod 401 is fixedly installed with the corresponding two electromagnets 5; the rectangular rod 401, the screw rod 402, the first umbrella-shaped gear 403, the second umbrella-shaped gear 404 and the driving motor 405 are matched, the driving motor 405 drives the second umbrella-shaped gear 404 to rotate, the second umbrella-shaped gear 404 drives the two screw rods 402 to rotate through the first umbrella-shaped gear 403, the two screw rods 402 drive the two rectangular rods 401 to move away from each other or close to each other, and the two rectangular rods 401 drive the two electromagnets 5 on the two sides to move away from each other or close to each other, so that the effect of changing the distance between the two electromagnets 5 is achieved, so as to conveniently adapt to the stable adsorption of the compression steel plate of different widths, and the adsorption stability and flexibility are improved.
[0030] Further, the remote control opening warning assembly comprises a wireless remote control switch 7 fixedly installed at the top right side of the rectangular branch pipe 4, a warning lamp 701 is fixedly installed at the top of the wireless remote control switch 7, the warning lamp 701 and the six electromagnets 5 are electrically connected with the wireless remote control switch 7, and the wireless remote control switch is matched with an external remote controller; the wireless remote control switch 7 and the warning lamp 701 are matched, when the six electromagnets 5 are controlled to be turned on by controlling the wireless remote control switch 7 by the external remote controller, the warning lamp 701 is synchronously controlled to be turned on, the effect that the warning lamp 701 clearly warns the surrounding when the compression steel plate is adsorbed and fixedly transferred is achieved, and the safety hidden danger during charging is reduced.
[0031] The use method of the embodiment is: first, the pressed steel plate is moved under the support plate 1 by the conveying device, the multi-stage electric telescopic rod 3 is started in the forward direction to drive the L-shaped support 301 to move downward, the L-shaped support 301 drives the two outer pipes 6 to slide downward on the corresponding inner rods 601 respectively, the L-shaped support 301 drives the rectangular branch pipe 4 to move downward, the rectangular branch pipe 4 drives the two rectangular rods 401 to move downward, the rectangular branch pipe 4 and the two rectangular rods 401 drive the six electromagnets 5 to move downward to contact the top of the pressed steel plate, the wireless remote control switch 7 is controlled by the external remote controller to control the six electromagnets 5 to be turned on, the pressed steel plate is fixed by six-point magnetic attraction, the wireless remote control switch 7 also synchronously opens the safety warning light 701 to perform safety warning work, then the multi-stage electric telescopic rod 3 is started in the reverse direction, and the movement direction is completely opposite to that of the above-mentioned multi-stage electric telescopic rod 3 started in the forward direction, at this time, the six electromagnets 5 change to move upward and drive the fixed pressed steel plate to rise to be higher than the external pallet, the cross-shaped electric sliding rail 2 is used to adjust the rectangular branch pipe 4 to move forward and backward and left and right in sequence through the multi-stage electric telescopic rod 3 and the L-shaped support 301, the rectangular branch pipe 4 drives the rectangular rods 401 to move synchronously, and the rectangular branch pipe 4 and the rectangular rods 401 drive the pressed steel plate to move forward and backward and left and right through the six electromagnets 5, when the pressed steel plate is adjusted to the upper part of the pallet, the electromagnets 5 and the safety warning light 701 are turned off by the wireless remote control switch 7, and the loading work of the next pressed steel plate can be performed again, wherein when the pressed steel plate needs to be rotated for adjustment after being moved to the pallet, the brake motor 302 is started to drive the rectangular branch pipe 4 to rotate through the rotating shaft 303, the rectangular branch pipe 4 drives the two rectangular rods 401 to rotate, and the rectangular branch pipe 4 and the two rectangular rods 401 drive the fixed pressed steel plate to rotate through the six electromagnets 5 to adjust the orientation or alignment work; the six-point magnetic attraction fixing is combined with the fixed transfer safety warning by the safety warning light 701, which is not affected by the flatness of the surface of the pressed steel plate, is convenient for the fixed transfer work of the pressed steel plate with different roughness, improves the applicability, and is convenient for the safety warning of the surrounding personnel during the fixed transfer loading, facilitates the surrounding personnel to know the safety avoidance work in time, and improves the use safety;
[0032] When it is necessary to adjust the fixed width according to the pressed steel plates with different widths, the second bevel gear 404 is driven to rotate by the driving motor 405, the two screw rods 402 are driven to rotate by the first bevel gear 403, the two rectangular rods 401 slide away from each other in the rectangular branch pipe 4, the electromagnets 5 on the two sides move away from each other, the distance between the electromagnets 5 on the two sides increases, and the effect of conveniently adjusting the fixed width according to the pressed steel plates with different widths is realized, so as to conveniently adapt to the stable adsorption of the pressed steel plates with different widths, and improve the fixed stability and flexibility.
[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.
Claims
1. A press steel plate finished product loading device, comprising a support plate (1), the bottom corners of the support plate (1) are fixedly connected with supporting legs (101), characterized in that: The bottom of the support plate (1) is fixedly installed with a cross-shaped electric sliding rail (2), the moving end bottom of the cross-shaped electric sliding rail (2) is fixedly installed with a multi-stage electric telescopic rod (3), the extending end of the multi-stage electric telescopic rod (3) is fixedly connected with a rotary drive assembly, the bottom of the rotary drive assembly is installed with a rectangular branch pipe (4), and the two sides of the rotary assembly are fixedly connected with vertical guide assemblies for vertical guidance between the moving end bottom of the cross-shaped electric sliding rail (2). Opposite screw cross drive assemblies are installed in the rectangular branch pipe (4), the bottom sides of the opposite screw cross drive assemblies and the bottom of the rectangular branch pipe (4) are fixedly connected with two electromagnets (5), and the top right side of the rectangular branch pipe (4) is fixedly installed with a remote control opening warning assembly for controlling the opening and closing of the six electromagnets (5).
2. The press-hardened steel sheet finished product charging device according to claim 1, characterized in that: The rotary drive assembly comprises a back-shaped support (301) fixedly connected to the extending end of the multi-stage electric telescopic rod (3), the outer side of the back-shaped support (301) is in a cylindrical structure, a rotating shaft (303) is rotatably embedded at the bottom of the back-shaped support (301), the bottom end of the rotating shaft (303) is fixedly connected with the top of the rectangular branch pipe (4), the back-shaped support (301) is rotatably installed at the top of the rectangular branch pipe (4), and a brake motor (302) with the top end of the rotating shaft (303) fixedly connected is fixedly installed on the inner wall of the top of the back-shaped support (301).
3. The press-hardened steel sheet finished product charging device according to claim 2, characterized in that: The vertical guide assembly comprises an outer pipe (6), the two sides of the two outer pipes (6) are fixedly connected with the two sides of the back-shaped support (301), respectively, an inner rod (601) is slidably sleeved in the outer pipe (6), and the top ends of the two inner rods (601) are fixedly connected with the moving end bottom of the cross-shaped electric sliding rail (2).
4. The press-hardened steel sheet finished product charging device according to claim 1, characterized in that: The opposite screw cross drive assembly comprises two rectangular rods (401) slidably sleeved in the rectangular branch pipe (4), two screw rods (402) are rotatably installed in the rectangular branch pipe (4), the same first umbrella-shaped gear (403) is fixedly connected between the proximal ends of the two screw rods (402), the screw rotation directions of the two screw rods (402) are opposite, the two rectangular rods (401) are threadedly sleeved on the corresponding screw rods (402), respectively, the bottom of the first umbrella-shaped gear (403) is engaged with a second umbrella-shaped gear (404), a drive motor (405) with the bottom of the second umbrella-shaped gear (404) fixedly connected is fixedly installed on the output shaft of the rectangular branch pipe (4), the drive motor (405) is located between the two electromagnets (5) in the middle, and the bottoms of the rectangular rods (401) are fixedly installed with the corresponding two electromagnets (5), respectively.
5. The press-hardened steel sheet finished product charging device according to claim 1, characterized in that: The remote control opening warning assembly comprises a wireless remote control switch (7) fixedly installed at the top right side of the rectangular branch pipe (4), a warning lamp (701) is fixedly installed at the top of the wireless remote control switch (7), the warning lamp (701) and the six electromagnets (5) are electrically connected with the wireless remote control switch (7), and the wireless remote control switch is matched with an external remote controller.
6. The press-hardened steel sheet finished product charging device according to claim 2, characterized in that: The top of the rectangular branch pipe (4) is fixedly connected with a first bearing, and the inner ring of the first bearing is fixedly sleeved with the outer side of the back-shaped support (301).
7. The press-hardened steel sheet finished product charging device according to claim 4, characterized in that: Two sides of the rectangular rod (401) are provided with threaded grooves, and the threaded grooves are threadedly connected with corresponding threaded rods (402).
Citation Information
Patent Citations
Laminated steel plate finished product material loading device
CN220886069U