Breakage-proof perforating device for protective clothing

Abstract

The invention discloses a protective clothing breakage-proof perforating device which comprises a workbench, a rack, a conveying mechanism, a rotating cylinder, a fixing rod, a perforating assembly and a driving mechanism, the rack is fixedly arranged on the workbench, the rotating cylinder is rotatably arranged on the rack, a discharging through hole is formed in the workbench, a plurality of perforating through grooves are formed in the rotating cylinder in the circumferential direction of the rotating cylinder, and the perforating through grooves are communicated with the fixing rod. The fixing rod is fixedly arranged on the rack, the driving mechanism and the conveying mechanism are connected with the rotating cylinder, the laser perforator is arranged on the fixing rod, the lifting mechanism is connected with the rotating cylinder in an abutting mode, the movable ring is rotatably arranged on the lifting mechanism, the edge trimming mechanism is arranged on the movable ring, and the driving mechanism is connected with the movable ring. And the plurality of pressing rings are respectively communicated with the plurality of perforated through grooves. Therefore, the protective clothing material can be effectively prevented from being torn in the perforating process, the high-temperature burning condition of the edge of the hole can be effectively avoided, in addition, the edge of the hole can be automatically trimmed, and the perforating quality is effectively improved.

Description

Technical Field

[0001] The present application relates to the technical field of protective clothing production, and in particular to a protective clothing anti-damage perforation device. Background Art

[0002] Protective clothing is a special clothing designed to protect the wearer from physical, chemical and biological factors. It is widely used in many fields such as medicine, industry, and military. In the production process of protective clothing, some protective clothing that needs to be connected to other accessories (such as air supply pipes, monitoring lines, etc.) needs to be perforated. The perforations can provide channels for the installation of these accessories to ensure the integrity of the protective clothing function.

[0003] In the related art, mechanical perforation and laser perforation are usually used to perforate protective clothing. Mechanical perforation is to puncture the protective clothing material with special mechanical tools such as mechanical cutters or needles. However, since protective clothing usually uses multi-layer composite high-strength materials, these materials are prone to stress concentration around the holes when punctured by mechanical force. Once the stress exceeds the material's bearing limit, it will cause the material to tear, destroying the integrity of the protective clothing.

[0004] Laser perforation uses a high-energy-density laser beam to perforate protective clothing. Although laser perforation has certain advantages in precision and can more accurately control the size and shape of the holes, the laser beam has extremely high energy. When perforating protective clothing materials, it is easy to produce high-temperature burning at the edges of the holes, making the material hard and brittle around the holes, reducing the flexibility and strength of the material. Summary of the invention

[0005] The present application aims to solve one of the technical problems in the related art at least to some extent.

[0006] To this end, one purpose of the present application is to provide a protective clothing anti-damage perforation device, which can effectively prevent the protective clothing material from being torn during the perforation process, and can also effectively prevent high-temperature burning at the edges of the holes. In addition, the edges of the holes can also be automatically trimmed to effectively improve the perforation quality.

[0007] To achieve the above-mentioned purpose, the first embodiment of the present application proposes a protective clothing anti-damage perforation device, including a workbench, a stand, a feeding mechanism, a rotating cylinder, a fixed rod, a perforation assembly and a driving mechanism, wherein the stand is fixedly arranged on the workbench, and the rotating cylinder is rotatably arranged on the stand; a material-dropping through hole is opened on the workbench, and a plurality of perforation through grooves are opened on the rotating cylinder along its circumferential direction; the fixed rod is fixedly arranged on the stand, and the fixed rod is located in the rotating cylinder; the driving mechanism and the feeding mechanism are respectively arranged on the stand, and the driving mechanism and the feeding mechanism are respectively connected to the rotating cylinder; the perforation assembly The components include a laser perforator, a lifting mechanism, a movable ring, a driving and rotating mechanism, an edge-straightening mechanism and a plurality of pressure rings, wherein the laser perforator is arranged on the fixed rod, and the emitting end of the laser perforator is arranged facing directly downward; the lifting mechanism can be lifted and lowered on the fixed rod, and the lifting mechanism is abutted and connected with the rotating cylinder; the movable ring can be rotatably arranged on the lifting mechanism, and the edge-straightening mechanism is arranged on the movable ring; the driving and rotating mechanism is arranged on the fixed rod, and the driving and rotating mechanism is connected with the movable ring; the plurality of pressure rings are respectively fixedly arranged on the outer circumferential surface of the rotating cylinder, and the plurality of pressure rings are respectively connected with the plurality of perforation through grooves.

[0008] The anti-damage perforation device for protective clothing of the embodiment of the present application can effectively prevent the protective clothing material from being torn during the perforation process, and can also effectively prevent high-temperature burning at the edges of the holes. In addition, the edges of the holes can also be automatically trimmed to effectively improve the perforation quality.

[0009] In addition, the protective clothing anti-damage perforation device proposed in the present application may also have the following additional technical features:

[0010] In one embodiment of the present application, the driving mechanism includes a motor, a driving gear, a driven gear, two first annular slide rails and a plurality of first sliding blocks, wherein the two first annular slide rails are respectively fixedly arranged on the frame, and the two first annular slide rails are symmetrically arranged along the workbench; the plurality of first sliding blocks are respectively slidably connected to the slideways on the two first annular slide rails, and the two ends of the rotating cylinder are respectively fixedly connected to the plurality of first sliding blocks; the motor is arranged on the frame, and the driving gear is sleeved on the output shaft of the motor; the driven gear is sleeved on the rotating cylinder, and the driven gear is meshed and connected with the driving gear.

[0011] In one embodiment of the present application, the feeding mechanism includes a transmission roller and two feeding belts, wherein the transmission roller is rotatably arranged on the frame; the two feeding belts are respectively driven and arranged on the transmission roller and the rotating cylinder, and a perforated channel is arranged between the two feeding belts.

[0012] In one embodiment of the present application, the lifting mechanism includes a plurality of sliding rods, a driving plate, a positioning plate, a spring, a second annular slide rail and a plurality of second sliding blocks, wherein the plurality of sliding rods are slidably arranged on the fixed rod up and down, and the plurality of sliding rods are respectively arranged around the laser perforator; the positioning plates are respectively fixedly connected to one end of the plurality of sliding rods, and the positioning plates are located above the fixed rod; the spring is located between the positioning plate and the fixed rod, and the two ends of the spring are respectively fixedly connected to the positioning plate and the fixed rod; the second annular slide rail is fixedly arranged on the movable ring, and the plurality of second sliding blocks are respectively slidably connected to the slideway of the second annular slide rail, and the plurality of second sliding blocks are respectively fixedly connected to the other end of the plurality of sliding rods; the plurality of driving plates are fixedly arranged on the inner wall of the rotating cylinder, and the plurality of driving plates can be respectively connected to the positioning plate in abutting manner.

[0013] In one embodiment of the present application, the driving mechanism includes a mounting frame, a spur rack, a driving gear, a worm and a worm wheel, wherein the spur rack is fixedly arranged on the fixed rod, and the spur rack is located below the fixed rod; the mounting frame is fixedly connected to the plurality of sliding rods; the worm is rotatably arranged on the mounting frame, and the worm is vertically arranged to the spur rack; the driving gear is sleeved on the worm, and the driving gear is meshingly connected to the spur rack; the worm wheel is sleeved on the movable ring, and the worm wheel is meshingly connected to the worm.

[0014] In one embodiment of the present application, the edge straightening mechanism includes a fixed tube and a plurality of scrapers, wherein the fixed tube is fixedly connected to the movable ring, and the plurality of scrapers are respectively fixedly arranged at the bottom of the fixed tube.

[0015] In one embodiment of the present application, a material discharge pipe is fixedly provided at the bottom of the workbench, and the material discharge pipe is connected to the material discharge through hole.

[0016] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0018] Figure 1 This is a left-side structural schematic diagram of a protective clothing anti-damage perforation device according to an embodiment of the present application;

[0019] Figure 2It is a schematic diagram of a front cross-sectional structure of a protective clothing anti-damage perforation device according to one embodiment of the present application;

[0020] Figure 3 It is a schematic diagram of a front cross-sectional structure of a perforation assembly of a protective clothing anti-damage perforation device according to one embodiment of the present application;

[0021] Figure 4 It is a schematic diagram of a front cross-sectional structure of a perforation assembly of a protective clothing anti-damage perforation device according to another embodiment of the present application;

[0022] Figure 5 The figure is a schematic top view of the structure of a driving mechanism of a protective clothing anti-damage perforation device according to one embodiment of the present application.

[0023] As shown in the figure: 1. workbench; 101. blanking hole; 102. blanking pipe; 2. stand; 3. feeding mechanism; 301. transmission roller; 302. feeding belt; 4. rotating cylinder; 401. perforation slot; 5. fixing rod; 6. perforation assembly; 61. laser perforator; 62. lifting mechanism; 621. sliding rod; 622. driving plate; 623. positioning plate; 624. spring; 625. second annular slide rail; 6 26. Second sliding block; 63. Movable ring; 64. Driving mechanism; 641. Mounting frame; 642. Straight rack; 643. Driving gear; 644. Worm; 645. Worm wheel; 65. Edge straightening mechanism; 651. Fixed tube; 652. Scraper; 66. Pressing ring; 7. Driving mechanism; 701. Motor; 702. Driving gear; 703. Driven gear; 704. First annular slide rail; 705. First sliding block. DETAILED DESCRIPTION

[0024] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0025] The following is a description of the protective clothing anti-damage and perforation device according to an embodiment of the present application in conjunction with the accompanying drawings.

[0026] The protective clothing anti-damage perforation device provided in the embodiment of the present application can be used in the production process of protective clothing for perforating the protective clothing. It can effectively prevent the protective clothing material from being torn during the perforation process, and can also effectively prevent high-temperature burning at the edges of the holes. In addition, the edges of the holes can also be automatically trimmed to effectively improve the perforation quality.

[0027] like Figure 1-Figure 5As shown, the protective clothing anti-damage perforation device of the embodiment of the present application may include a workbench 1, a stand 2, a feeding mechanism 3, a rotating cylinder 4, a fixing rod 5, a perforation assembly 6 and a driving mechanism 7.

[0028] Among them, the stand 2 is fixedly set on the workbench 1, the rotating cylinder 4 is rotatably set on the stand 2, a blanking through hole 101 is opened on the workbench 1, and a plurality of through-holes 401 are opened on the rotating cylinder 4 along its circumferential direction. The fixed rod 5 is fixedly set on the stand 2, and the fixed rod 5 is located in the rotating cylinder 4. The driving mechanism 7 and the feeding mechanism 3 are respectively arranged on the stand 2, and the driving mechanism 7 and the feeding mechanism 3 are respectively connected to the rotating cylinder 4.

[0029] The perforating assembly 6 may include a laser perforator 61 , a lifting mechanism 62 , a movable ring 63 , a driving mechanism 64 , an edge straightening mechanism 65 and a plurality of pressure rings 66 .

[0030] Among them, the laser perforator 61 is arranged on the fixed rod 5, and the emitting end of the laser perforator 61 is arranged to face directly downward, the lifting mechanism 62 is liftably arranged on the fixed rod 5, and the lifting mechanism 62 is abutted and connected with the rotating cylinder 4, the movable ring 63 is rotatably arranged on the lifting mechanism 62, the edge straightening mechanism 65 is arranged on the movable ring 63, the driving mechanism 64 is arranged on the fixed rod 5, and the driving mechanism 64 is connected with the movable ring 63, and a plurality of pressure rings 66 are respectively fixedly arranged on the outer circumferential surface of the rotating cylinder 4, and the plurality of pressure rings 66 are respectively connected with a plurality of perforation grooves 401.

[0031] In one embodiment of the present application, a feed pipe 102 is fixedly provided at the bottom of the workbench 1, and the feed pipe 102 is connected to the feed through hole 101, and the feed pipe 102 is used to collect the residues generated by the protective clothing during the perforation process.

[0032] Specifically, when the protective clothing is perforated, the relevant personnel first lay the protective clothing material on the workbench 1 and place the protective clothing between the workbench 1 and the rotating drum 4. Then the relevant personnel start the driving mechanism 7 to drive the rotating drum 4 to rotate. When the rotating drum 4 rotates, the feeding mechanism 3 is driven to push and transport the protective clothing. When the perforated groove 401 on the rotating drum 4 coincides with the blanking hole 101 on the workbench 1, the relevant personnel control the laser perforator 61 to emit a laser beam, and the laser beam passes through the perforated groove 401. 01 completes the perforation operation on the protective clothing. At this time, the perforation groove 401 and the pressure ring 66 limit the edge of the hole to prevent the hole on the protective clothing from spreading outward due to burning. At the same time, when the rotating cylinder 4 rotates, it also drives the lifting mechanism 62 to drive the edge-straightening mechanism 65 to move downward, and the driving mechanism 64 also drives the edge-straightening mechanism 65 to rotate. When the edge-straightening mechanism 65 is in the hole of the protective clothing, the inner edge of the hole is cut by self-rotation, so as to effectively improve the smoothness of the inner edge of the hole and improve the perforation quality.

[0033] In one embodiment of the present application, Figure 1-Figure 5 As shown, the driving mechanism 7 may include a motor 701 , a driving gear 702 , a driven gear 703 , two first annular slide rails 704 and a plurality of first sliding blocks 705 .

[0034] Among them, the two first annular slide rails 704 are respectively fixedly set on the stand 2, and the two first annular slide rails 704 are symmetrically arranged along the workbench 1, and multiple first sliding blocks 705 are respectively slidably connected to the slides on the two first annular slide rails 704, and the two ends of the rotating cylinder 4 are respectively fixedly connected to the multiple first sliding blocks 705, the motor 701 is set on the stand 2, the driving gear 702 is sleeved on the output shaft of the motor 701, the driven gear 703 is sleeved on the rotating cylinder 4, and the driven gear 703 is meshed and connected with the driving gear 702.

[0035] Specifically, the rotating drum 4 is rotatably arranged on the stand 2 through two first annular slide rails 704 and multiple first sliding blocks 705. Relevant personnel start the motor 701 to drive the driving gear 702 to rotate, and then drive the rotating drum 4 to rotate through the driven gear 703 meshing with it.

[0036] In one embodiment of the present application, Figure 1-Figure 5 As shown, the feeding mechanism 3 may include a transmission roller 301 and two feeding belts 302 .

[0037] The transmission roller 301 is rotatably disposed on the stand 2 , and two conveyor belts 302 are respectively driven and disposed on the transmission roller 301 and the rotating drum 4 , and a perforated channel is disposed between the two conveyor belts 302 .

[0038] Specifically, the rotating drum 4 drives the two conveyor belts 302 to transmit during the rotation, and then the protective clothing material is pushed and transported through the two conveyor belts 302 to achieve streamlined perforation processing of the protective clothing material.

[0039] In one embodiment of the present application, Figure 1-Figure 5 As shown, the lifting mechanism 62 may include a plurality of sliding rods 621 , a driving plate 622 , a positioning plate 623 , a spring 624 , a second annular slide rail 625 and a plurality of second sliding blocks 626 .

[0040] Among them, multiple sliding rods 621 are slidably arranged on the fixed rod 5 up and down, and the multiple sliding rods 621 are respectively arranged around the laser perforator 61, the positioning plates 623 are respectively fixedly connected to one end of the multiple sliding rods 621, and the positioning plates 623 are located above the fixed rod 5, the spring 624 is located between the positioning plate 623 and the fixed rod 5, and the two ends of the spring 624 are respectively fixedly connected to the positioning plate 623 and the fixed rod 5, the second annular slide rail 625 is fixedly arranged on the movable ring 63, the multiple second sliding blocks 626 are respectively slidably connected to the slideways of the second annular slide rail 625, and the multiple second sliding blocks 626 are respectively fixedly connected to the other ends of the multiple sliding rods 621, and the multiple driving plates 622 are respectively fixedly arranged on the inner wall of the rotating cylinder 4, and the multiple driving plates 622 can be respectively connected to the positioning plate 623 in contact.

[0041] It should be noted that the driving plate 622 described in this embodiment is in a triangular shape, and an arc chamfer is provided on the edge.

[0042] Specifically, the rotating drum 4 also drives multiple driving plates 622 to rotate during the rotation process. When one of the driving plates 622 conflicts with the positioning plate 623, the driving plate 622 gradually squeezes the positioning plate 623 to move downward and compresses the spring 624 until the edge straightening mechanism 65 is driven through the perforated groove 401 and enters the hole in the protective clothing. When one of the driving plates 622 is separated from the positioning plate 623, the positioning plate 623 is automatically reset under the action of the restoring force of the spring 624 to drive the edge straightening mechanism 65 to leave the hole in the protective clothing, so that the rotating drum 4 can continue to rotate and can drive the protective clothing material to continue to be transported.

[0043] In one embodiment of the present application, Figure 1-Figure 5 As shown, the driving mechanism 64 may include a mounting frame 641 , a spur rack 642 , a driving gear 643 , a worm 644 , and a worm wheel 645 .

[0044] Among them, the spur rack 642 is fixedly set on the fixed rod 5, and the spur rack 642 is located below the fixed rod 5, the mounting frame 641 is fixedly connected to the multiple sliding rods 621, the worm 644 is rotatably set on the mounting frame 641, and the worm 644 is vertically set to the spur rack 642, the driving gear 643 is sleeved on the worm 644, and the driving gear 643 is meshingly connected to the spur rack 642, the worm wheel 645 is sleeved on the movable ring 63, and the worm wheel 645 is meshingly connected to the worm 644.

[0045] Specifically, in the process of the mounting frame 641 following the multiple sliding rods 621 to rise and fall, the driving gear 643 also cooperates with the spur rack 642 to drive the worm 644 to rotate, and then drives the worm wheel 645 meshing with it to rotate through the worm 644, and finally drives the movable ring 63 and the edge straightening mechanism 65 to rotate through the worm wheel 645, so as to realize the self-rotation drive of the edge straightening mechanism 65.

[0046] In one embodiment of the present application, Figure 1-Figure 5 As shown, the edge trimming mechanism 65 may include a fixed tube 651 and a plurality of scrapers 652 .

[0047] The fixed tube 651 is fixedly connected to the movable ring 63 , and a plurality of scrapers 652 are respectively fixedly arranged at the bottom of the fixed tube 651 .

[0048] Specifically, during the rotation of the movable ring 63, the movable ring 63 drives multiple scrapers 652 through multiple fixed tubes 651 to perform circular cutting on the inner edge of the hole to remove the residue produced by burning the protective clothing material and improve the flatness of the inner edge of the hole.

[0049] In summary, the protective clothing anti-damage perforation device of the embodiment of the present application can effectively prevent the protective clothing material from being torn during the perforation process, and can also effectively prevent high-temperature burning at the edges of the holes. In addition, the edges of the holes can also be automatically trimmed to effectively improve the perforation quality.

[0050] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0051] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0052] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and deform the above embodiments within the scope of the present application.

Claims

1. A protective clothing anti-damage perforation device, characterized in that: It includes a workbench, a stand, a feeding mechanism, a rotating cylinder, a fixing rod, a perforating assembly and a driving mechanism, wherein: The stand is fixedly arranged on the workbench, and the rotating cylinder is rotatably arranged on the stand; The workbench is provided with a material-dropping through hole, and the rotating cylinder is provided with a plurality of through-holes along its circumferential direction; The fixing rod is fixedly arranged on the stand, and the fixing rod is located in the rotating cylinder; The driving mechanism and the feeding mechanism are respectively arranged on the stand, and the driving mechanism and the feeding mechanism are respectively connected to the rotating cylinder; The perforating assembly includes a laser perforator, a lifting mechanism, a movable ring, a driving mechanism, an edge straightening mechanism and a plurality of pressure rings, wherein: The laser perforator is arranged on the fixing rod, and the emission end of the laser perforator is arranged facing directly downward; The lifting mechanism is escalably arranged on the fixing rod, and the lifting mechanism is in contact with the rotating cylinder; The movable ring is rotatably arranged on the lifting mechanism, and the edge straightening mechanism is arranged on the movable ring; The driving mechanism is arranged on the fixed rod, and the driving mechanism is connected to the movable ring; The plurality of pressure rings are respectively fixedly arranged on the outer peripheral surface of the rotating cylinder, and the plurality of pressure rings are respectively communicated with the plurality of through-holes.

2. The protective clothing anti-damage and perforation device according to claim 1, characterized in that: The driving mechanism includes a motor, a driving gear, a driven gear, two first annular slide rails and a plurality of first sliding blocks, wherein: The two first annular slide rails are respectively fixedly arranged on the frame, and the two first annular slide rails are symmetrically arranged along the workbench; The plurality of first sliding blocks are respectively slidably connected to the slideways on the two first annular slide rails, and the two ends of the rotating cylinder are respectively fixedly connected to the plurality of first sliding blocks; The motor is arranged on the stand, and the driving gear is sleeved on the output shaft of the motor; The driven gear is sleeved on the rotating cylinder, and the driven gear is meshed and connected with the driving gear.

3. The protective clothing anti-damage and perforation device according to claim 1, characterized in that: The feeding mechanism comprises a transmission roller and two feeding belts, wherein: The transmission roller is rotatably arranged on the stand; The two conveyor belts are respectively driven and arranged on the transmission roller and the rotating cylinder, and a perforated channel is arranged between the two conveyor belts.

4. The protective clothing anti-damage and perforation device according to claim 1, characterized in that: The lifting mechanism includes a plurality of sliding rods, a driving plate, a positioning plate, a spring, a second annular slide rail and a plurality of second sliding blocks, wherein: The plurality of sliding rods are respectively slidably arranged on the fixing rod up and down, and the plurality of sliding rods are respectively arranged around the laser perforator; The positioning plates are respectively fixedly connected to one end of the plurality of sliding rods, and the positioning plates are located above the fixing rods; The spring is located between the positioning plate and the fixing rod, and two ends of the spring are fixedly connected to the positioning plate and the fixing rod respectively; The second annular slide rail is fixedly arranged on the movable ring, and the plurality of second sliding blocks are respectively slidably connected to the slideway of the second annular slide rail, and the plurality of second sliding blocks are respectively fixedly connected to the other ends of the plurality of sliding rods; The plurality of driving plates are fixedly arranged on the inner wall of the rotating cylinder, and the plurality of driving plates can be respectively connected with the positioning plates in abutting manner.

5. The protective clothing anti-damage and perforation device according to claim 4, characterized in that: The driving mechanism includes a mounting frame, a spur rack, a driving gear, a worm and a worm wheel, wherein: The spur rack is fixedly arranged on the fixing rod, and the spur rack is located below the fixing rod; The mounting frame is fixedly connected to the plurality of sliding rods; The worm is rotatably arranged on the mounting frame, and the worm is arranged perpendicular to the spur rack; The driving gear is sleeved on the worm, and the driving gear is meshed and connected with the spur rack; The worm wheel is sleeved on the movable ring, and the worm wheel is meshed and connected with the worm.

6. The protective clothing anti-damage and perforation device according to claim 5, characterized in that: The edge trimming mechanism includes a fixed tube and a plurality of scrapers, wherein: The fixed tube is fixedly connected to the movable ring, and the plurality of scrapers are respectively fixedly arranged on the bottom of the fixed tube.

7. The protective clothing anti-damage and perforation device according to claim 1, characterized in that: A material discharge pipe is also fixedly arranged at the bottom of the workbench, and the material discharge pipe is communicated with the material discharge through hole.

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