Alignment device for high-speed compound machine

By designing the alignment adjustment mechanism, the material offset and alignment problems in high-speed composite machines are solved, and the accurate positioning and alignment of the upper and lower layers of materials are achieved, improving the composite processing quality.

CN223224040UActive Publication Date: 2025-08-15SHANGHAI YIFA PACKING MATERIAL CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421650589.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-08-15
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

When existing high-speed composite machines convey materials, the materials are prone to offset, and they cannot effectively guide and position adjustment of the upper and lower layers of materials separately, affecting the composite processing effect.

Method used

An alignment device for a high-speed composite machine including an alignment adjustment mechanism is designed, including a feeding assembly, a guide assembly, an alignment assembly and a glue coating device, which can guide and transport the upper and lower layers of materials separately, and adjust according to the composite position to improve the alignment effect.

Benefits of technology

The accurate positioning and alignment of the upper and lower layers of materials is achieved, and the quality and efficiency of composite processing are improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223224040U_ABST
    Figure CN223224040U_ABST
Patent Text Reader

Abstract

The utility model discloses an alignment device for a high-speed compound machine, and relates to the technical field of compound machine alignment. Comprising an alignment adjusting mechanism, the alignment adjusting mechanism comprises a machining table, a regulation and control panel is installed on the surface of the machining table, a feeding assembly is fixedly installed on one side of the top of the machining table, a guiding assembly is fixedly installed on one side of the feeding assembly, and an alignment assembly is fixedly installed on one side of the guiding assembly; a gluing device is fixedly mounted on one side of the alignment assembly; according to the utility model, upper and lower layers of materials can be respectively guided and conveyed, the upper and lower layers of materials can be conveniently aligned and transferred, the upper and lower layers of materials can be conveniently and correspondingly glued and compounded subsequently, and meanwhile, the upper and lower layers of materials can be conveniently aligned and adjusted according to the upper and lower layer compounding positions; and the alignment adjustment effect of the upper-layer composite material is improved, and the composite machining quality of the material is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of compound machine alignment, in particular to an alignment device for a high-speed compound machine. Background Art

[0002] High-speed laminating machines typically offer a variety of laminating methods and process options. For example, they can perform wet lamination, dry lamination, and hot press lamination, adapting to the needs of different materials and processes. Through optimized design and automated control, high-speed laminating machines achieve high-efficiency laminating speeds. Compared to traditional laminating machines, they offer faster laminating speeds and higher production efficiency. Laminating machines combine two or more layers of material using adhesives, imparting new functions to the original materials. These laminating machines are often used for applications such as film and aluminum foil, film, paper, and nonwoven fabrics.

[0003] Currently, a Chinese patent with the publication number CN202222680756.8 discloses an alignment device for a high-speed compound machine. This application solves the shortcoming in the prior art that materials are easily offset when conveying materials using a high-speed compound machine.

[0004] At present, when processing materials, the corresponding two layers of materials need to be bonded and composited. The above-mentioned comparative document solves the shortcoming of the existing technology that materials are easily offset when using a high-speed composite machine to transport materials. However, during use, the above-mentioned device cannot guide the upper and lower layers of materials separately, which is not conducive to the corresponding transportation of the upper and lower layers of materials, and cannot be adjusted according to the composite alignment position of the upper and lower layers of materials, which affects the composite processing effect of the upper and lower layers of materials. Therefore, we need to provide an alignment device for a high-speed composite machine. Utility Model Content

[0005] The utility model provides an alignment device for a high-speed composite machine, which has the advantage of being able to align and convey composite materials, thereby solving the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: an alignment device for a high-speed compound machine, comprising: an alignment adjustment mechanism, the alignment adjustment mechanism comprises a processing table, a control panel is installed on the surface of the processing table, a feeding assembly is fixedly installed on one side of the top of the processing table, a guide assembly is fixedly installed on one side of the feeding assembly, an alignment assembly is fixedly installed on one side of the guide assembly, a gluing device is fixedly installed on one side of the alignment assembly, a compound machine body is fixedly installed on one side of the gluing device, and the compound machine body and the gluing device are used in conjunction with each other, a winder is fixedly installed on one side of the compound machine body, and the winder is used in conjunction with the compound machine body.

[0007] As an alignment device for a high-speed composite machine of the utility model, the feeding assembly includes a bottom unwinder, a bottom feed roller, a support frame, an upper unwinder, an upper feed roller and a feeding controller, the bottom unwinder is fixedly installed on the processing table, the bottom feed roller is fixedly installed on the processing table, and the bottom feed roller is located on one side of the bottom unwinder, the support frame is fixedly connected to the processing table, the upper unwinder is fixedly installed on the top of the support frame, the upper feed roller is fixedly installed on one side of the support frame, and the upper feed roller is used in conjunction with the upper unwinder, and the feeding controller is installed on the surface of the support frame.

[0008] As an alignment device for a high-speed compound machine of the utility model, the guide assembly includes a fixed frame, a guide adjustment component and a guide transmission rod. The fixed frame is fixedly installed on the processing table, the guide adjustment component is installed on the fixed frame, and the guide adjustment component is used in conjunction with the bottom feed roller. The guide transmission rod is installed at the top of the fixed frame, and the guide transmission rod is used in conjunction with the upper feed roller.

[0009] As an alignment device for a high-speed compound machine of the utility model, the alignment assembly includes a mounting seat, a slide rail, a slide, a servo electric cylinder, a displacement controller, an upper material transfer roller, an alignment distance adjustment component and a scale mark. The mounting seat is fixedly installed on the processing table, the slide rail is fixedly connected to the mounting seat, the slide is slidably installed on the slide rail, the servo electric cylinder is fixedly installed in the mounting seat, and the output end of the servo electric cylinder is fixedly connected to one side of the slide, the displacement controller is installed on the mounting seat, the upper material transfer roller is installed on the surface of the slide, and the upper material transfer roller is used in conjunction with the guide transmission rod, the alignment distance adjustment component is installed on the top of the slide, and the number of the alignment distance adjustment components is two groups, and the scale mark is arranged on the surface of one side of the slide rail.

[0010] As an alignment device for a high-speed compound machine of the utility model, the guide adjustment component includes a guide concave plate, an electric lifting rod, a guide pressure plate, an electric telescopic rod, a guide adjustment plate and a guide controller. The guide concave plate is fixedly mounted on a fixed frame, the electric lifting rod is mounted on both ends of the guide concave plate, the guide pressure plate is fixedly mounted on the output end of the electric lifting rod, the electric telescopic rod is fixedly mounted on both ends of the guide concave plate, the guide adjustment plate is fixedly mounted on the output end of the electric telescopic rod, and the guide adjustment plate is slidably connected to the guide concave plate, and the guide controller is mounted on the surfaces of both ends of the guide concave plate.

[0011] As an alignment device for a high-speed compound machine of the utility model, the alignment distance adjustment component includes a distance adjustment seat, an electric telescopic rod, a distance adjustment limit plate and a distance adjustment controller. The distance adjustment seat is fixedly installed on the slide, the electric telescopic rod is fixedly installed in the distance adjustment seat, the distance adjustment limit plate is fixedly installed on the output end of the electric telescopic rod, and the distance adjustment limit plate is slidably connected to the upper material transfer roller, and the distance adjustment controller is installed on the surface of the distance adjustment seat.

[0012] The utility model provides an alignment device for a high-speed compound machine. It has the following beneficial effects:

[0013] The alignment device for the high-speed composite machine can guide and convey the upper and lower layers of materials separately through the arrangement of the alignment adjustment mechanism, the processing table, the control panel, the feeding assembly, the guide assembly, the alignment assembly, the gluing equipment, the composite machine body and the winder, which is beneficial to the relative displacement and conveyance of the upper and lower layers of materials, and facilitates the subsequent corresponding gluing and composite processing of the upper and lower layers of materials. At the same time, it can also be adjusted according to the position of the upper and lower layer composite processing, which is beneficial to the alignment adjustment of the upper layer composite material, improves the effect of the alignment adjustment of the upper layer composite material, and improves the quality of the material composite processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a side view of the three-dimensional structure of the utility model;

[0016] Figure 3 This is a perspective view of the first partial structure of the utility model;

[0017] Figure 4 This is a perspective view of the second partial structure of the utility model;

[0018] Figure 5 This is a three-dimensional diagram of the third partial structure of the utility model;

[0019] Figure 6 This is a perspective view of the fourth partial structure of the utility model;

[0020] Figure 7 This is a perspective view of the fifth partial structure of the present invention.

[0021] In the figure: 1. Alignment adjustment mechanism; 101. Processing table; 102. Control panel; 103. Feeding assembly; 10301. Bottom unwinder; 10302. Bottom feed roller; 10303. Support frame; 10304. Upper unwinder; 10305. Upper feed roller; 10306. Feeding controller; 104. Guide assembly; 10401. Fixing frame; 10402. Guide adjustment member; 1040201. Guide concave plate; 1040202. Electric lifting rod; 1040203. Guide pressure plate; 1040204. Electric telescopic rod; 1040205. Guide adjustment member Section plate; 1040206, guide controller; 10403, guide transmission rod; 105, alignment assembly; 10501, mounting seat; 10502, slide rail; 10503, slide seat; 10504, servo cylinder; 10505, shift controller; 10506, upper material transfer roller; 10507, alignment distance adjustment component; 1050701, distance adjustment seat; 1050702, electric telescopic rod; 1050703, distance adjustment limit plate; 1050704, distance adjustment controller; 10508, scale mark; 106, gluing equipment; 107, compound machine body; 108, winder. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solutions in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of this utility, not all of the embodiments. Based on the embodiment of this utility, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this utility.

[0023] See also Figure 1-Figure 7The utility model provides a technical solution: an alignment device for a high-speed compound machine, comprising an alignment adjustment mechanism 1, the alignment adjustment mechanism 1 comprising a processing table 101, a control panel 102 is installed on the surface of the processing table 101, a feeding assembly 103 is fixedly installed on one side of the top of the processing table 101, a guide assembly 104 is fixedly installed on one side of the feeding assembly 103, an alignment assembly 105 is fixedly installed on one side of the guide assembly 104, a gluing device 106 is fixedly installed on one side of the alignment assembly 105, a compound machine body 107 is fixedly installed on one side of the gluing device 106, and the compound machine body 107 is used in conjunction with the gluing device 106, and one side of the compound machine body 107 is fixedly installed It is equipped with a winder 108, and the winder 108 is used in conjunction with the compound machine body 107. Through the arrangement of the alignment adjustment mechanism 1, the processing table 101, the control panel 102, the feeding component 103, the guide component 104, the alignment component 105, the gluing device 106, the compound machine body 107 and the winder 108, the upper and lower layers of materials can be guided and conveyed separately, which is beneficial for the relative displacement of the upper and lower layers of materials, and facilitates the subsequent corresponding gluing and compounding processing of the upper and lower layers of materials. At the same time, it can also be adjusted according to the position of the upper and lower layer composite processing, which is beneficial for the alignment adjustment of the upper composite material, improving the effect of the alignment adjustment of the upper composite material, and improving the quality of the material composite processing.

[0024] See also Figure 3 The feeding assembly 103 includes a bottom unwinder 10301, a bottom feeding roller 10302, a support frame 10303, an upper unwinder 10304, an upper feeding roller 10305 and a feeding controller 10306. The bottom unwinder 10301 is fixedly mounted on the processing table 101, the bottom feeding roller 10302 is fixedly mounted on the processing table 101, and the bottom feeding roller 10302 is located on one side of the bottom unwinder 10301. The support frame 10303 is fixedly connected to the processing table 101, the upper unwinder 10304 is fixedly mounted on the top of the support frame 10303, and the upper The feed roller 10305 is fixedly installed on one side of the support frame 10303, and the upper feed roller 10305 is used in conjunction with the upper unwinder 10304. The feed controller 10306 is installed on the surface of the support frame 10303. Through the setting of the bottom unwinder 10301, the bottom feed roller 10302, the support frame 10303, the upper unwinder 10304, the upper feed roller 10305 and the feed controller 10306, the upper and lower layers of wound materials can be wound and conveyed separately, which is conducive to guiding and transferring the upper and lower layers of materials separately, and improving the convenience of conveying the upper and lower layers of materials.

[0025] See also Figure 4The guide assembly 104 includes a fixed frame 10401, a guide adjustment component 10402 and a guide transmission rod 10403. The fixed frame 10401 is fixedly installed on the processing table 101, the guide adjustment component 10402 is installed on the fixed frame 10401, and the guide adjustment component 10402 is used in conjunction with the bottom feeding roller 10302, and the guide transmission rod 10403 is installed at the top of the fixed frame 10401, and the guide transmission rod 10403 is used in conjunction with the upper feeding roller 10305. Through the arrangement of the fixed frame 10401, the guide adjustment component 10402 and the guide transmission rod 10403, the upper and lower layers of materials can be positioned and guided, which is beneficial to improving the accuracy of the lower layer material conveying and positioning, and improving the effect of the subsequent upper and lower layer material coating and composite processing.

[0026] See also Figure 6 The alignment component 105 includes a mounting seat 10501, a slide rail 10502, a slide 10503, a servo electric cylinder 10504, a shifting controller 10505, an upper material transfer roller 10506, an alignment distance adjustment component 10507 and a scale mark 10508. The mounting seat 10501 is fixedly mounted on the processing table 101, the slide rail 10502 is fixedly connected to the mounting seat 10501, the slide 10503 is slidably mounted on the slide rail 10502, the servo electric cylinder 10504 is fixedly mounted in the mounting seat 10501, and the output end of the servo electric cylinder 10504 is fixedly connected to one side of the slide 10503, the shifting controller 10505 is mounted on the mounting seat 10501, and the upper material transfer roller 10506 is mounted on the slide 10503, and the upper material transfer roller 10506 is used in conjunction with the guide transmission rod 10403, the alignment distance adjusting component 10507 is installed on the top of the slide 10503, and the number of the alignment distance adjusting components 10507 is two groups, and the scale marking line 10508 is set on the surface of one side of the slide rail 10502. Through the setting of the mounting seat 10501, the slide rail 10502, the slide 10503, the servo electric cylinder 10504, the adjustment controller 10505, the upper material transfer roller 10506, the alignment distance adjusting component 10507 and the scale marking line 10508, the upper material conveyed can be aligned and positioned, which is beneficial to adjust the position of the upper material transfer and improve the effect of aligning the upper material transfer position with the lower material.

[0027] See also Figure 5The guide adjustment component 10402 includes a guide concave plate 1040201, an electric lifting rod 1040202, a guide pressure plate 1040203, an electric telescopic rod 1040204, a guide adjustment plate 1040205 and a guide controller 1040206. The guide concave plate 1040201 is fixedly mounted on the fixed frame 10401, the electric lifting rod 1040202 is mounted at both ends of the guide concave plate 1040201, the guide pressure plate 1040203 is fixedly mounted on the output end of the electric lifting rod 1040202, the electric telescopic rod 1040204 is fixedly mounted at both ends of the guide concave plate 1040201, and the guide adjustment plate 1040205 is fixedly installed on the output end of the electric-controlled telescopic rod 1040204, and the guide adjustment plate 1040205 is slidingly connected to the guide concave plate 1040201, and the guide controller 1040206 is installed on the surface of both ends of the guide concave plate 1040201. Through the setting of the guide concave plate 1040201, the electric-controlled lifting rod 1040202, the guide pressure plate 1040203, the electric-controlled telescopic rod 1040204, the guide adjustment plate 1040205 and the guide controller 1040206, the lower layer material can be conveyed and positioned, which is conducive to maintaining the accuracy of the transfer of the lower layer material and improving the transfer and guiding effect of the lower layer material.

[0028] See also Figure 7 The alignment distance adjustment component 10507 includes a distance adjustment seat 1050701, an electric telescopic rod 1050702, a distance adjustment limit plate 1050703 and a distance adjustment controller 1050704. The distance adjustment seat 1050701 is fixedly installed on the slide 10503, the electric telescopic rod 1050702 is fixedly installed in the distance adjustment seat 1050701, and the distance adjustment limit plate 1050703 is fixedly installed at the output of the electric telescopic rod 1050702. end, and the distance-adjusting limit plate 1050703 is slidingly connected to the upper material transfer roller 10506, and the distance-adjusting controller 1050704 is installed on the surface of the distance-adjusting seat 1050701. Through the arrangement of the distance-adjusting seat 1050701, the electric telescopic rod 1050702, the distance-adjusting limit plate 1050703 and the distance-adjusting controller 1050704, the material transferred from the upper layer can be guided at a fixed distance, which is beneficial to maintaining the accuracy of the guided transportation of the upper material.

[0029] During use, the staff first rolls up the lower layer material to be composited and installs it on the bottom unwinder 10301, then rolls up the upper layer material and installs it on the upper unwinder 10304. Then, one end of the material on the bottom unwinder 10301 is passed through the bottom feeding roller 10302, the guide adjustment member 10402, the gluing device 106, and the composite machine body 107 to be connected to the reel 108. Then, one end of the material on the upper unwinder 10304 is passed through the upper feeding roller 10305, the guide transmission rod 10403, the upper material transfer roller 10506, the gluing device 106, and the composite machine body 107 to be connected to the reel 108.

[0030] Next, the staff activates the feeding controller 10306 through the control panel 102 to control the bottom unwinder 10301 and the upper unwinder 10304 to transfer the material, and then activates the guide adjustment member 10402 through the control panel 102 to adjust. At this time, the guide controller 1040206 controls the electric-controlled lifting rod 1040202 to retract, driving the guide pressure plate 1040203 to move downward, and the guide controller 1040206 controls the electric-controlled telescopic rod 1040204 to retract, driving the guide adjustment plate 1040205 to move, thereby adjusting according to the width of the material so that the guide adjustment plates 1040205 are located on both sides of the material for guided transfer, and the upper material is guided and transferred through the guide transmission rod 10403.

[0031] Then the upper material is placed on the upper material transfer roller 10506, and then the distance adjustment controller 1050704 controls the electric telescopic rod 1050702 to extend and retract, driving the distance adjustment limit plate 1050703 to move, thereby adjusting according to the width of the upper material. In addition, the staff measures the offset size of the upper and lower materials according to the position of the composite processing of the upper and lower materials, and controls the servo electric cylinder 10504 to work through the adjustment controller 10505, thereby driving the slide 10503 to slide on the slide rail 10502. Then, the deviation size distance is adjusted by observing the scale mark 10508, and then the upper material is aligned and adjusted.

[0032] Then the upper and lower guided materials are coated with glue by the gluing device 106 , and then the upper and lower materials of the coating are composited by the compounding machine body 107 , and then the composited materials are reeled by the reel 108 .

[0033] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An alignment device for a high-speed compound machine, characterized in that: include: An alignment adjustment mechanism (1) includes a processing table (101), a control panel (102) is installed on the surface of the processing table (101), a feeding assembly (103) is fixedly installed on one side of the top of the processing table (101), a guide assembly (104) is fixedly installed on one side of the feeding assembly (103), an alignment assembly (105) is fixedly installed on one side of the guide assembly (104), a gluing device (106) is fixedly installed on one side of the alignment assembly (105), a compound machine body (107) is fixedly installed on one side of the gluing device (106), and the compound machine body (107) and the gluing device (106) are used in conjunction with each other, and a reel (108) is fixedly installed on one side of the compound machine body (107), and the reel (108) is used in conjunction with the compound machine body (107).

2. The alignment device for a high-speed composite machine according to claim 1, characterized in that: The feeding assembly (103) comprises a bottom unwinder (10301), a bottom feeding roller (10302), a support frame (10303), an upper unwinder (10304), an upper feeding roller (10305) and a feeding controller (10306), wherein the bottom unwinder (10301) is fixedly mounted on the processing table (101), the bottom feeding roller (10302) is fixedly mounted on the processing table (101), and the bottom feeding roller (10302) is located at the bottom unwinder. The support frame (10303) is fixedly connected to the processing table (101), the upper unwinder (10304) is fixedly installed on the top of the support frame (10303), the upper feeding roller (10305) is fixedly installed on one side of the support frame (10303), and the upper feeding roller (10305) is used in conjunction with the upper unwinder (10304), and the feeding controller (10306) is installed on the surface of the support frame (10303).

3. The alignment device for a high-speed composite machine according to claim 1, characterized in that: The guide assembly (104) comprises a fixed frame (10401), a guide adjustment member (10402) and a guide transmission rod (10403); the fixed frame (10401) is fixedly mounted on the processing table (101); the guide adjustment member (10402) is mounted on the fixed frame (10401), and the guide adjustment member (10402) is used in conjunction with the bottom feeding roller (10302); the guide transmission rod (10403) is mounted on the top end of the fixed frame (10401), and the guide transmission rod (10403) is used in conjunction with the upper feeding roller (10305).

4. The alignment device for a high-speed composite machine according to claim 1, characterized in that: The alignment assembly (105) comprises a mounting seat (10501), a slide rail (10502), a slide seat (10503), a servo electric cylinder (10504), a shift controller (10505), an upper material transfer roller (10506), an alignment distance adjustment component (10507) and a scale mark (10508), wherein the mounting seat (10501) is fixedly mounted on the processing table (101), the slide rail (10502) is fixedly connected to the mounting seat (10501), the slide seat (10503) is slidably mounted on the slide rail (10502), and the servo electric cylinder (10504) is fixedly mounted on the mounting seat (10501). 0501), and the output end of the servo electric cylinder (10504) is fixedly connected to one side of the slide (10503), the adjustment controller (10505) is installed on the mounting seat (10501), the upper material transfer roller (10506) is installed on the surface of the slide (10503), and the upper material transfer roller (10506) is used in conjunction with the guide transmission rod (10403), the alignment distance adjustment component (10507) is installed on the top of the slide (10503), and the number of the alignment distance adjustment components (10507) is two groups, and the scale mark (10508) is set on the surface of one side of the slide rail (10502).

5. The alignment device for a high-speed compound machine according to claim 3, characterized in that: The guide adjustment component (10402) includes a guide concave plate (1040201), an electrically controlled lifting rod (1040202), a guide pressure plate (1040203), an electrically controlled telescopic rod (1040204), a guide adjustment plate (1040205) and a guide controller (1040206). The guide concave plate (1040201) is fixedly mounted on a fixed frame (10401), the electrically controlled lifting rod (1040202) is mounted on both ends of the guide concave plate (1040201), and the guide pressure plate (1040203) is fixedly mounted on a fixed frame (10401). 040203) is fixedly installed on the output end of the electric-controlled lifting rod (1040202), the electric-controlled telescopic rod (1040204) is fixedly installed on both ends of the guide concave plate (1040201), the guide adjustment plate (1040205) is fixedly installed on the output end of the electric-controlled telescopic rod (1040204), and the guide adjustment plate (1040205) is slidably connected to the guide concave plate (1040201), and the guide controller (1040206) is installed on the surfaces of both ends of the guide concave plate (1040201).

6. The alignment device for a high-speed compound machine according to claim 4, characterized in that: The alignment distance adjustment component (10507) includes a distance adjustment seat (1050701), an electric telescopic rod (1050702), a distance adjustment limit plate (1050703) and a distance adjustment controller (1050704). The distance adjustment seat (1050701) is fixedly installed on the slide seat (10503), the electric telescopic rod (1050702) is fixedly installed in the distance adjustment seat (1050701), the distance adjustment limit plate (1050703) is fixedly installed at the output end of the electric telescopic rod (1050702), and the distance adjustment limit plate (1050703) is slidably connected to the upper material transfer roller (10506). The distance adjustment controller (1050704) is installed on the surface of the distance adjustment seat (1050701).

Citation Information

Patent Citations

  • Alignment device for high-speed compound machine

    CN218257244U