Clamping device for cutting and processing silencing plate

Abstract

The utility model provides a clamping device for cutting and processing a silencing plate, which belongs to the technical field of silencing sheet processing, and comprises a moving part, a lifting part, two groups of clamping components and an electric control part, the moving part is arranged on the side of cutting equipment, and the moving part has a moving degree of freedom towards any direction; the lifting part is connected to the upper end of the moving part and has the vertical lifting freedom degree, and the height of the lifting part after lifting can be locked. The two sets of clamping assemblies are slidably connected to the upper end of the lifting part, the two sets of clamping assemblies are suitable for clamping the two opposite ends of a to-be-cut silencing plate correspondingly so as to limit movement of the silencing plate, and the distance between the two sets of clamping assemblies can be adjusted; the electric control part is electrically connected with the lifting part and the two clamping assemblies, and the electric control part is provided with control modules used for controlling the lifting part and the two clamping assemblies to operate. The silencing plate cutting device has the technical effects that the silencing plate can be firmly clamped and fixed, the silencing plate cannot move in the cutting process, and the machining quality and the quality cannot be influenced.

Description

Technical Field

[0001] This utility model belongs to the field of sound-absorbing sheet processing technology, and more specifically, it relates to a clamping device for cutting and processing sound-absorbing sheets. Background Technology

[0002] Mufflers are an important component of automotive brake pads, mounted on the steel backing of the brake pads. During braking, they act as a damper to reduce vibration and noise from the brake pad lining. Currently, the production and cutting of mufflers mainly relies on traditional equipment. The muffler plate is long and narrow; as it moves along its length on the equipment, it is cut into multiple mufflers, which are then shaped into pre-designed mufflers for use on brake discs. However, this cutting process has several problems: During cutting, the muffler plate may misalign or shift, resulting in discrepancies between the dimensional and design dimensions of the cut mufflers. Furthermore, the shape of the cut mufflers may also deviate from the original design, affecting the processing quality and making it unsuitable for large-scale production. Utility Model Content

[0003] The purpose of this utility model is to provide a clamping device for cutting and processing sound-absorbing panels, which aims to solve the technical problem that when using cutting equipment to cut sound-absorbing panels, the sound-absorbing panels will move during the cutting process, resulting in poor fixing effect on the sound-absorbing panels and thus affecting the processing quality and grade of the sound-absorbing panels.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: to provide a clamping device for cutting and processing sound-absorbing panels, comprising:

[0005] A movable part is located on the side of the cutting device, and the movable part has a degree of freedom to move in any direction;

[0006] A lifting unit is connected to the upper end of the moving unit. The lifting unit has a vertical lifting freedom and the height after lifting can be locked.

[0007] Two sets of clamping components are slidably connected to the upper end of the lifting part. The two sets of clamping components are respectively adapted to clamp the two opposite ends of the sound-absorbing plate to be cut, so as to restrict the movement of the sound-absorbing plate. The distance between the two sets of clamping components can be adjusted.

[0008] An electrical control unit is electrically connected to the lifting unit and the two sets of clamping assemblies. The electrical control unit has control modules for controlling the operation of the lifting unit and the two sets of clamping assemblies respectively.

[0009] In one possible implementation, the electrical control unit is electrically connected to a wireless communication module, and the clamping device for cutting and processing the sound-absorbing plate also includes a remote control that is wirelessly connected to the electrical control unit via the wireless communication module. The remote control has control buttons suitable for controlling the operation of the lifting unit and the two sets of clamping components respectively.

[0010] In one possible implementation, a monitor is connected to the upper end of the lifting unit. The monitor is electrically connected to the electronic control unit and is used to monitor the operating status of the two sets of clamping components and the movement status of the muffler in real time. The remote controller has a display for displaying the images monitored by the remote controller.

[0011] In one possible implementation, the lifting part is vertically arranged, with its lower end connected to the upper end of the moving part and its upper end connected to a crossbeam. The crossbeam is horizontally arranged, with one end fixedly connected to the upper end of the lifting part and the other end being a cantilever end. A slide rail is provided at the bottom end of the crossbeam, and the upper ends of the two sets of clamping assemblies are slidably connected to the slide rail, and both have a degree of freedom to slide along the length direction of the slide rail. The length direction of the slide rail is parallel to the length direction of the crossbeam.

[0012] In one possible implementation, the middle of the crossbeam and the middle of the slide rail are respectively provided with elongated through holes in the vertical direction. Two sets of levers are provided in the elongated through holes. Two sets of electric push rods are connected to the upper end of the crossbeam. The pushing ends of the two sets of electric push rods are respectively connected to the upper ends of the two sets of levers. The lower ends of the two sets of levers are respectively connected to the upper ends of the two sets of clamping assemblies and drive the two sets of clamping assemblies to slide. The electric push rods are electrically connected to the electronic control unit and their operation is controlled by the electronic control unit.

[0013] In one possible implementation, the clamping assembly includes:

[0014] The telescopic rod is vertically arranged and its upper end is slidably connected to the slide rail. The telescopic rod has a degree of freedom to extend and retract vertically.

[0015] A rotating platform is connected to the lower end of the telescopic rod, and the bottom end of the rotating platform has a circumferential rotational degree of freedom.

[0016] The mechanical gripper is connected at its upper end to the bottom end of the rotary table. The mechanical gripper is adapted to clamp the end of the sound-absorbing plate to be cut. The telescopic rod, the rotary table and the mechanical gripper are all electrically connected to the electrical control unit and their operation is controlled by the electrical control unit.

[0017] In one possible implementation, the clamping device for cutting and processing the sound-absorbing sheet further includes a clamping component for pressing and stacking the cut sound-absorbing sheet, the clamping component being disposed close to the cutting device and having a degree of freedom of movement in any direction.

[0018] In one possible implementation, the clamping assembly includes:

[0019] Mobile cart;

[0020] Two slides are arranged side-by-side at intervals on the top of the mobile trolley, with the length of the slides along the length of the mobile trolley.

[0021] Two sliding plates are slidably connected to the two slide tracks respectively, and have the degree of freedom to slide along the slide tracks. A fixed plate is connected between the two sliding plates, and the upper end of the fixed plate is used to place a sound-absorbing plate.

[0022] Two tension springs are respectively connected to the upper ends of the two sliding plates, and the tension springs extend and retract vertically;

[0023] The horizontal plate is connected at both ends to the upper ends of the two tension springs and is arranged horizontally.

[0024] An adjustable pressure column is vertically arranged and passes through the horizontal plate. It has a vertical sliding degree of freedom. The position of the adjustable pressure column after sliding can be locked. The lower end of the adjustable pressure column is used to abut and press the sound-absorbing plate.

[0025] In one possible implementation, the side of the cross plate is provided with a through hole, and a set screw is screwed into the through hole. The set screw is used to abut against and limit the adjustable pressure column.

[0026] In one possible implementation, the adjustable pressure columns are spaced in two sets and are slidably connected to the horizontal plate. A handle is provided above the horizontal plate, and the two ends of the handle are respectively fixedly connected to the upper ends of the two sets of adjustable pressure columns.

[0027] The advantages of the clamping device for cutting and processing sound-absorbing panels provided by this utility model are as follows: Compared with the prior art, the clamping device for cutting and processing sound-absorbing panels of this utility model includes a moving part, a lifting part, two sets of clamping components, and an electrical control part. The moving part is located on the side of the cutting equipment and has a degree of freedom to move in any direction. The lifting part is connected to the upper end of the moving part and has a degree of freedom to move vertically, and the height after lifting can be locked. Both sets of clamping components are slidably connected to the upper end of the lifting part, and the two sets of clamping components are respectively adapted to clamp the sound-absorbing panels to be cut in a relatively arranged manner. The two ends are designed to restrict the movement of the sound-absorbing plate, and the distance between the two sets of clamping components is adjustable. The electrical control unit is electrically connected to the lifting unit and the two sets of clamping components. The electrical control unit has control modules for controlling the operation of the lifting unit and the two sets of clamping components respectively. This solves the technical problem that when the sound-absorbing plate is cut using a cutting device, the sound-absorbing plate will move during the cutting process, resulting in poor fixing of the sound-absorbing plate and affecting the processing quality and grade of the sound-absorbing plate. It has the technical effect of being able to clamp and fix the sound-absorbing plate firmly, preventing movement during the cutting process, and not affecting the processing quality and grade of the sound-absorbing plate. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 A state diagram of a clamping device for cutting a sound-absorbing board provided in this embodiment of the present invention during the cutting process;

[0030] Figure 2 A schematic diagram of the structure of a clamping device for cutting and processing sound-absorbing panels provided in this embodiment of the present invention;

[0031] Figure 3 A schematic diagram of the clamping assembly of a clamping device for cutting and processing sound-absorbing panels provided in this embodiment of the present invention;

[0032] Figure 4 for Figure 3 The diagram shows the upper part of the clamping assembly of a clamping device for cutting and processing sound-absorbing panels.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Moving part; 2. Lifting part; 3. Clamping assembly; 31. Telescopic rod; 32. Rotary table; 33. Mechanical gripper; 4. Electrical control unit; 5. Silencing plate; 6. Conveyor; 7. Remote control; 8. Monitor; 9. Crossbeam; 10. Slide rail; 11. Long through hole; 12. Lever; 13. Electric push rod; 14. Pressing assembly; 141. Moving trolley; 142. Slide rail; 143. Sliding plate; 144. Tension spring; 145. Horizontal plate; 146. Adjustable pressure column; 147. Fixed plate; 148. Set screw; 149. Handle. Detailed Implementation

[0035] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0036] Please refer to the following: Figures 1 to 2The present invention provides a clamping device for cutting and processing sound-absorbing panels. The clamping device includes a moving part 1, a lifting part 2, two sets of clamping assemblies 3, and an electrical control part 4. The moving part 1 is located on the side of the cutting equipment and has a degree of freedom to move in any direction. The lifting part 2 is connected to the upper end of the moving part 1 and has a vertical lifting degree of freedom, and its height after lifting can be locked. The two sets of clamping assemblies 3 are slidably connected to the upper end of the lifting part 2, and are respectively adapted to clamp the opposite ends of the sound-absorbing panel 5 to be cut, thereby restricting the movement of the sound-absorbing panel 5. The distance between the two sets of clamping assemblies 3 is adjustable. The electrical control part 4 is electrically connected to the lifting part 2 and the two sets of clamping assemblies 3, and has control modules for controlling the operation of the lifting part 2 and the two sets of clamping assemblies 3.

[0037] This utility model provides a clamping device for cutting and processing sound-absorbing panels. Compared with the prior art, the movable part 1 can be moved for convenient use in different positions, the lifting part 2 can adjust the clamping height of the sound-absorbing panel 5, and the two sets of clamping components 3 clamp the two ends of the sound-absorbing panel 5 respectively without affecting the cutting process. This ensures good fixation during the cutting process and prevents movement. It solves the technical problem that when using cutting equipment to cut the sound-absorbing panel 5, the sound-absorbing panel 5 will move during the cutting process, resulting in poor fixation and affecting the processing quality and grade of the sound-absorbing panel 5. It has the technical effect of firmly clamping and fixing the sound-absorbing panel 5, preventing movement during the cutting process, and not affecting the processing quality and grade.

[0038] Figure 1 The conveyor 6 is used to transport the sound-absorbing panel 5. The sound-absorbing panel 5 is placed on the upper end of the conveyor 6. During the cutting process, the conveyor 6 stops, and the cutting equipment (not shown in the figure, but can be a cutting tool such as scissors or an electrically controlled cutting machine) is located above the conveyor 6 to cut the sound-absorbing panel 5. The conveyor 6 can work alternately with the cutting equipment.

[0039] To achieve remote control of clamping the muffler 5, in some embodiments, please refer to... Figures 1 to 2The electrical control unit 4 is electrically connected to a wireless communication module. The clamping device for cutting and processing the sound-absorbing plate 5 also includes a remote control 7 that is wirelessly connected to the electrical control unit 4 via the wireless communication module. The remote control 7 has control buttons suitable for controlling the operation of the lifting unit 2 and the two sets of clamping components 3 respectively. The electrical control unit 4 includes a PLC controller, control circuit, control module, etc., and through electrical connection, it can realize the operation control of the lifting unit 2 and the clamping components 3, thereby achieving the effect of automatically adjusting the height and automatically clamping the sound-absorbing plate 5. The control buttons on the remote control 7 can also perform the same operation functions as the electrical control unit 4, thereby realizing remote control of the operation of the lifting unit 2 and the two sets of clamping components 3, which is convenient for operators. The wireless communication connection method uses existing technology.

[0040] In some embodiments, please refer to Figures 1 to 2 A monitor 8 is connected to the upper end of the lifting unit 2. The monitor 8 is electrically connected to the electronic control unit 4 and is used to monitor the operating status of the two sets of clamping components 3 and the movement status of the muffler 5 in real time. The remote control 7 has a display for displaying the images monitored by the remote control 7. The monitor 8 is a camera that can monitor in real time, and it can rotate and adjust the monitoring direction. If a monitor 8 of the prior art is used, the monitored images can be viewed on the remote control 7, which facilitates the operation of the lifting unit 2 and the clamping components 3 by the staff.

[0041] In some embodiments, please refer to Figures 1 to 2 The lifting part 2 is vertically arranged, with its lower end connected to the upper end of the moving part 1 and its upper end connected to a crossbeam 9. The crossbeam 9 is horizontally arranged, with one end fixedly connected to the upper end of the lifting part 2 and the other end being a cantilever end. A slide rail 10 is provided at the bottom end of the crossbeam 9. The upper ends of the two sets of clamping components 3 are respectively slidably connected to the slide rail 10, and both have a degree of freedom to slide along the length direction of the slide rail 10. The length direction of the slide rail 10 is parallel to the length direction of the crossbeam 9. The lifting part 2 in this embodiment is a prior art technology that can be telescopically adjusted and is electrically connected to the electronic control part 4. The electronic control part 4 can control its telescopic extension, thereby controlling the clamping height of the sound-absorbing plate 5. The crossbeam 9 serves to support the two sets of clamping components 3 and the monitor 8. The monitor 8 is located at the upper end of the crossbeam 9 and can monitor in real time. The crossbeam 9 has a rectangular plate structure, and the slide rail 10 is located at the middle of its lower end face, providing sliding support for the two sets of clamping components 3.

[0042] To achieve automatic control of the movement of the two sets of clamping assemblies 3, in some embodiments, please refer to... Figures 1 to 2The middle of the crossbeam 9 and the middle of the slide rail 10 are vertically provided with elongated through holes 11. Two sets of levers 12 are provided in the elongated through holes 11. Two sets of electric push rods 13 are connected to the upper end of the crossbeam 9. The pushing ends of the two sets of electric push rods 13 are respectively connected to the upper ends of the two sets of levers 12. The lower ends of the two sets of levers 12 are respectively connected to the upper ends of the two sets of clamping components 3 and drive the two sets of clamping components 3 to slide. The electric push rods 13 are electrically connected to the electric control unit 4 and their operation is controlled by the electric control unit 4. The spacing between the two sets of clamping components 3 is adjustable to accommodate the clamping of sound-absorbing plates of different widths. The elongated through-holes 11 on the crossbeam 9 and the elongated through-holes 11 on the slide rail 10 are aligned and can be considered as one elongated through-hole 11. The electric push rod 13 is existing technology; by controlling its extension and retraction, the pushing and moving position of the clamping component 3 can be controlled, thereby achieving the clamping and fixing of sound-absorbing plates 5 of different widths. The lever 12 is vertically arranged and can move within the elongated through-hole 11.

[0043] In some embodiments, please refer to Figures 1 to 2 The clamping assembly 3 includes a telescopic rod 31, a rotating platform 32, and a mechanical gripper 33. The telescopic rod 31 is vertically arranged and its upper end is slidably connected to a slide rail 10, giving it a vertical extension and retraction degree of freedom. The rotating platform 32 is connected to the lower end of the telescopic rod 31, and its bottom end has a circumferential rotational degree of freedom. The upper end of the mechanical gripper 33 is connected to the bottom end of the rotating platform 32, and the mechanical gripper 33 is suitable for clamping the end of the sound-absorbing plate 5 to be cut. The telescopic rod 31, the rotating platform 32, and the mechanical gripper 33 are all electrically connected to the electrical control unit 4, and their operation is controlled by the electrical control unit 4. The telescopic rod 31 is an electrically controlled push rod in the prior art, capable of vertical extension and retraction to adjust the clamping height of the sound-absorbing plate 5. The rotating platform 32 is an electrically operated rotating platform in the prior art, capable of circumferential rotation after being controlled, thereby adjusting the clamping position or direction of the mechanical gripper 33 on the sound-absorbing plate 5. The mechanical gripper 33 uses existing technology to clamp and release the end of the sound-absorbing plate 5. By controlling its operation, the end of the sound-absorbing plate 5 can be clamped to ensure that it does not move during the cutting process, thereby improving the cutting quality and grade.

[0044] To facilitate the stacking and compaction of the cut sound-absorbing sheets, prevent them from becoming misaligned or shifting, and ensure stacking quality, please refer to the following embodiments in some cases. Figures 3 to 4 The clamping device for cutting and processing sound-absorbing panels also includes a clamping assembly 14 for pressing and stacking the cut sound-absorbing panels. The clamping assembly 14 is located close to the cutting equipment and has the freedom to move in any direction. The clamping assembly 14 is movable and its position is adjustable, allowing it to be placed in a more suitable position for use.

[0045] In some embodiments, please refer to Figures 3 to 4The clamping assembly 14 includes a moving trolley 141, two slide rails 142, two sliding plates 143, two tension springs 144, a cross plate 145, and an adjustable pressure column 146. The moving trolley 141 can move in any direction, thus allowing operations to be performed at any location. Two slide rails 142 are spaced apart and arranged side by side on the top of the moving trolley 141, with the length of the slide rails 142 along the length of the moving trolley 141. Two sliding plates 143 are slidably connected to the two slide rails 142, and have the freedom to slide along the slide rails 142. A fixed plate 147 is connected between the two sliding plates 143, and the upper end of the fixed plate 147 is used to place the sound-absorbing plate. Two tension springs 144 are connected to the upper ends of the two sliding plates 143, and the tension springs 144 extend and retract vertically. The two ends of the horizontal plate 145 are connected to the upper ends of the two tension springs 144, and are arranged horizontally. An adjustable pressure column 146 is arranged vertically, passes through the horizontal plate 145, and has the freedom to slide vertically. The position of the adjustable pressure column 146 after sliding can be locked, and the lower end of the adjustable pressure column 146 is used to abut and press the sound-absorbing plate. Two parallel slide rails 142 are arranged. The position of the sliding plate 143 after sliding on the slide rails 142 can be locked or limited. Two tension springs 144 always exert an elastic downward pulling force on the horizontal plate 145, thereby ensuring that the adjustable pressure column 146 can always press the stacked sound-absorbing sheets tightly. A limiting member can be provided on the sliding plate 143. When it is not sliding, the limiting member can be used to limit and lock the sliding plate 143 on the slide rail 142. When the thickness of the stacked sound-absorbing sheets is large, the height of the adjustable pressure column 146 can be adjusted to accommodate the downward pressing of sound-absorbing sheets of different thicknesses. The fixed plate 147 is rectangular and its two ends are respectively fixedly connected to the inner sides of the two sliding plates 143.

[0046] In some embodiments, please refer to Figures 3 to 4 A through hole is provided on the side of the horizontal plate 145, and a set screw 148 is screwed into the through hole. The set screw 148 is used to abut against the adjustable pressure column 146. The adjustable pressure column 146 is arranged in two sets at intervals and is slidably connected to the horizontal plate 145. A handle 149 is provided on the top of the horizontal plate 145, and the two ends of the handle 149 are respectively fixedly connected to the upper ends of the two sets of adjustable pressure columns 146. The set screw 148 passes through the through hole. The set screw 148 is a type of screw that can be moved by turning it, so that its inner end can abut against the adjustable pressure column 146, thereby limiting the height of the adjustable pressure column 146. When it is necessary to adjust the two adjustable pressure columns 146, the height of the two adjustable pressure columns 146 can be adjusted simultaneously by pulling the handle 149. After adjustment, the set screw 148 can be used for limiting.

[0047] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A clamping device for cutting and processing of a sound-deadening panel, characterized in that The utility model relates to a soundproof board cutting device, including: mobile part, be located in cutting device side, the mobile part has to move the freedom degree to any direction; elevation part, connect in the mobile part upper end, the elevation part has along vertical elevation freedom degree and can lock after elevating height; two sets of clamping components, all slide connection in the elevation part upper end, two sets of clamping components are suitable for clamping the opposite setting both ends of soundproof board to be cut respectively, to restrict soundproof board movement, the distance between two sets of clamping components can be adjusted; electric control part, electric connection elevation part and two sets of clamping components, the electric control part has control module respectively for controlling the operation of elevation part and two sets of clamping components.

2. The clamping device for cutting and processing of a sound-absorbing panel according to claim 1, characterized in that, The electric control part is electrically connected with a wireless communication module, and the soundproof board cutting device further comprises a remote controller wirelessly connected with the electric control part through the wireless communication module, and the remote controller has control buttons suitable for controlling the operation of the elevation part and the two sets of clamping components.

3. The clamping device for cutting and processing of a sound-absorbing panel according to claim 2, wherein The upper end of the lifting part is connected with a monitor, and the monitor is electrically connected with the electric control part and is used for monitoring the running state of the two sets of clamping components and monitoring the movement state of the soundproof board in real time.

4. The clamping device for cutting and processing of a soundproofing panel according to claim 1, wherein, The lifting part is vertically arranged, the lower end of the lifting part is connected with the upper end of the moving part, the upper end of the lifting part is connected with a cross beam, the cross beam is horizontally arranged, one end of the cross beam is fixedly connected with the upper end of the lifting part, the other end of the cross beam is a cantilever end, the bottom end of the cross beam is provided with a slide rail, the upper ends of the two sets of clamping components are respectively slidably connected with the slide rail, and the upper ends of the two sets of clamping components have sliding freedom along the length direction of the slide rail, and the length direction of the slide rail is parallel to the length direction of the cross beam.

5. The clamping device for cutting and processing of a sound-absorbing panel according to claim 4, wherein The middle part of the cross beam and the middle part of the slide rail are correspondingly provided with long strip-shaped through holes in the vertical direction, two sets of lever rods are arranged in the long strip-shaped through holes, the upper end of the cross beam is connected with two sets of electric push rods, the pushing ends of the two sets of electric push rods are respectively connected with the upper ends of the two sets of lever rods, the lower ends of the two sets of lever rods are respectively connected with the upper ends of the two sets of clamping components and drive the two sets of clamping components to slide, and the electric push rods are electrically connected with the electric control part and are controlled by the electric control part.

6. The clamping device for cutting and processing of a sound-absorbing panel according to claim 4, wherein The clamping component comprises: a telescopic rod, which is vertically arranged and has an upper end slidably connected with the slide rail, the telescopic rod has vertical telescopic freedom; a rotating table connected to the lower end of the telescopic rod, the bottom end of the rotating table has circumferential rotation freedom; a mechanical hand connected to the bottom end of the rotating table, the mechanical hand is suitable for clamping the end of the soundproof board to be cut, and the telescopic rod, the rotating table and the mechanical hand are electrically connected with the electric control part and are controlled by the electric control part.

7. The clamping device for cutting and processing of a soundproofing panel according to claim 1, wherein The soundproof board cutting device further comprises a pressing assembly for pressing and stacking the cut soundproof pieces, and the pressing assembly is arranged close to the cutting device and has freedom of movement in any direction.

8. The clamping device for cutting and processing of a sound-absorbing panel according to claim 7, wherein The pressing assembly comprises: a mobile trolley; two slides respectively arranged in parallel on the top of the mobile trolley, the length direction of the slide is along the length direction of the mobile trolley; Two sliding plates are respectively slidably connected to the two slide rails and have a sliding freedom along the slide rails. A fixed plate is connected between the two sliding plates. The upper end of the fixed plate is used for placing the sound-absorbing sheet. Two tension springs are respectively connected to the upper ends of the two sliding plates and are vertically telescopic. A horizontal plate is horizontally arranged and is connected to the upper ends of the two tension springs at both ends. An adjustable pressure column is vertically arranged and penetrates through the horizontal plate. The adjustable pressure column has a vertical sliding freedom. The position of the adjustable pressure column after sliding can be locked. The lower end of the adjustable pressure column is used for abutting and pressing the sound-absorbing sheet.

9. The clamping device for cutting and processing of a sound-absorbing panel according to claim 8, wherein A through hole is arranged on the side of the horizontal plate. A jackscrew is screwed in the through hole. The jackscrew is used for abutting and limiting the adjustable pressure column.

10. The clamping device for cutting and processing of a soundproofing panel according to claim 8, wherein, The adjustable pressure columns are arranged in two groups and are slidably connected to the horizontal plate. A handle is arranged above the horizontal plate. The handle is fixedly connected to the upper ends of the two groups of adjustable pressure columns at both ends.

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