Multi-station fire extinguisher valve punching device

Abstract

The utility model relates to the technical field of fire extinguisher production, in particular to a multi-station fire extinguisher valve punching device which comprises a U-shaped plate, a moving mechanism, a fixing mechanism capable of fixing a valve body and two screwing mechanisms. According to the utility model, an internal thread ring and a rubber block are selected to be screwed on a connecting rod, two main electric push rods are started to drive a magnetic frame and a plurality of magnetic rings to move downwards, so that the magnetic rings drive adjacent clamping rods to be clamped into grooves of the internal thread ring through supporting rods, a valve body is sleeved on the rubber block, and a servo motor is started to drive a tooth belt and a movable plate to move through a tooth roller; after the moving plate moves to the position below the moving frame, a plurality of pneumatic push rods are started to drive the moving frame to move downwards to enable an abutting plate to abut against the valve body, a driving motor is started to drive the abutting plate to rotate through a clamping cylinder and a sliding rod to screw the valve body into or out of an internal thread ring, and an auxiliary electric push rod is started to drive a plurality of rotating rods to rotate through a toothed plate rubbing gear; and therefore, the valve body can be conveniently fixed, and the stability of the valve body during fixing is improved.

Description

Technical Field

[0001] This utility model relates to the field of fire extinguisher manufacturing technology, specifically a multi-position fire extinguisher valve drilling device. Background Technology

[0002] Wheeled fire extinguishers typically use a metal canister as a container, with a relief valve installed on top. When the relief valve is pressed, the contents of the container are ejected through the valve. The relief valve and the canister are usually manufactured separately and then assembled together. The bottom of the outer wall of the valve body has threads for connecting to the canister. The valve body is usually manufactured as a single piece. After the valve body is manufactured, suitable holes need to be drilled in the valve body to install components such as the pressure handle. When drilling the valve body, it is generally necessary to fix it. The clamping structure used to fix the valve body may need to be changed depending on the model and shape of the valve. The clamping structure of the fixing fixture is generally inconvenient to change, and the fixing fixture usually fixes the valve body by clamping, which is not very effective and is inconvenient. Utility Model Content

[0003] The purpose of this invention is to provide a multi-position fire extinguisher valve drilling device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A multi-position fire extinguisher valve drilling device, comprising:

[0006] The system comprises a U-shaped plate, a moving mechanism, a fixing mechanism for fixing the valve body, and two screwing mechanisms. A top plate is fixedly connected between the top ends of the two arms of the U-shaped plate, and the top plate is located in the middle of the U-shaped plate. Multiple cylinders are fixedly connected to the top plate and both arms of the U-shaped plate. A drilling device is fixedly connected to the movable end of any cylinder. The moving mechanism is fixedly connected to the bottom surface of the U-shaped plate. The fixing mechanism is located between the two arms of the U-shaped plate. The fixing mechanism includes a moving plate, and multiple rotating rods are rotatably connected to the top surface of the moving plate. A housing is fixedly connected to the top end of each rotating rod. Each housing has a top-open structure, and a magnetic plate is fixedly connected to the bottom surface inside each housing. Each of the multiple housings has an internal threaded ring, and each internal threaded ring is attracted to an adjacent magnetic plate. The two screwing mechanisms are located above both ends of the U-shaped plate.

[0007] Furthermore, each shell is a circular box-shaped structure, each shell has multiple sliding holes on its outer side wall, each sliding hole has a locking rod slidably fitted inside, each internal threaded ring has a groove on its outer side wall, each shell has multiple locking rods corresponding to multiple grooves on adjacent internal threaded rings, one end of the locking rod is movably embedded into the adjacent groove, each magnetic plate has a connecting rod fixedly connected to its top center, each connecting rod has a rubber block at its top, each rubber block has a screw fixedly connected to its bottom center, each connecting rod has a threaded hole on its top surface, and the screw is screwed into the adjacent threaded hole.

[0008] Furthermore, each rotating rod has a magnetic ring slidably sleeved on its outer side wall, and each magnetic ring has multiple support rods rotatably connected to its outer side wall. The multiple support rods on each magnetic ring correspond one-to-one with the multiple locking rods on the adjacent housing, and one end of each of the multiple support rods on each magnetic ring is rotatably connected to the other end of the corresponding locking rod.

[0009] Furthermore, the top surface of the movable plate is fixedly connected to two main electric push rods via a bracket, and a magnetic frame is provided between the two main electric push rods. The top surface of the magnetic frame is attracted to the bottom surface of multiple magnetic rings, and the movable ends of the two main electric push rods are respectively fixedly connected to the two ends of the magnetic frame.

[0010] Furthermore, the engagement mechanism includes:

[0011] The system comprises multiple connecting frames, a movable frame, multiple drive boxes, and multiple clamping cylinders. All connecting frames are U-shaped, with one end of each arm of each connecting frame fixedly connected to the two arms of a U-shaped plate. A pneumatic push rod is fixedly connected to the top surface of each connecting frame. The top surface of the movable frame is fixedly connected to the movable ends of the pneumatic push rods. The bottom surface of the movable frame has multiple rotating holes, and each rotating hole contains a rotatable abutment plate. Each abutment plate has a slot at its center on its top surface. Each drive box corresponds to one abutment plate, and each drive box contains a drive motor. The motor shaft of each drive motor penetrates the top surface of the movable frame. Each clamping cylinder has a top-opening structure, and each clamping cylinder corresponds to one abutment plate. The bottom end of each clamping cylinder is movably engaged within an adjacent slot. The inner and outer walls of each clamping cylinder are polygonal, and each inner wall of each clamping cylinder has a sliding rod slidably fitted onto it. The top end of each sliding rod is fixedly connected to the motor shaft of the drive motor, and the bottom end is fixedly connected to the bottom surface of an adjacent clamping cylinder with a spring.

[0012] Furthermore, the moving mechanism includes:

[0013] The system comprises two plates, two toothed rollers, and a motor housing. The top surfaces of the two plates are fixedly connected to the bottom surface of the U-shaped plate. The two toothed rollers are rotatably connected between the two plates. A toothed belt is rotatably sleeved between the outer walls of the two toothed rollers. A groove is provided on the bottom surface of the U-shaped plate. A connecting block is fixedly connected to the bottom surface of the movable plate and slides and engages inside the groove. The bottom surface of the connecting block is fixedly connected to the outer wall of the toothed belt. The motor housing is fixedly connected to one side of one of the plates. A servo motor is installed inside the motor housing, and the motor shaft of the servo motor is fixedly connected to one end of the adjacent toothed roller.

[0014] Furthermore, gears are fixedly sleeved on the bottom of the outer side walls of the multiple rotating rods, and an auxiliary electric push rod is fixedly connected to one side of the movable plate through a fixing frame. A guide plate is fixedly connected to the movable end of the auxiliary electric push rod, and multiple toothed plates are fixedly connected to one side of the guide plate. The multiple toothed plates correspond one-to-one with the multiple gears, and the teeth on the multiple toothed plates mesh with the teeth of the corresponding gears.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] By selecting an internally threaded ring of appropriate specifications and placing it on the magnetic plate, and then screwing a rubber block of appropriate specifications onto the connecting rod, the two main electric push rods are activated to move the magnetic frame downwards, causing the magnetic frame to move multiple magnetic rings downwards synchronously. The magnetic rings, through the support rods, drive adjacent locking rods to move synchronously towards the center of the adjacent housing, so that the locking rods are engaged in the groove of the internally threaded ring. Then, the valve body is fitted onto the rubber block, and then the servo motor is activated to drive the toothed belt and moving plate through the toothed roller. When the moving plate moves below the moving frame, multiple pneumatic push rods are activated to move the moving frame downwards, so that the abutment plate contacts the valve body. Then, the drive motor is activated to drive the abutment plate to rotate through the locking cylinder and slide rod, so that the valve body is screwed into or out of the internally threaded ring. The auxiliary electric push rod can be activated to drive multiple rotating rods to rotate synchronously through the toothed plate to adjust multiple valve body angles. Finally, drilling equipment is used in conjunction with a cylinder to drill holes in the valve body, which facilitates the fixing of the valve body and improves the stability of the valve body when it is fixed. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the fixing mechanism in this utility model;

[0019] Figure 3 This is an exploded view of the fixing mechanism structure in this utility model;

[0020] Figure 4 This is an exploded view of the engagement mechanism structure in this utility model;

[0021] Figure 5This is a schematic diagram of the clamp, slide bar, and backing plate structure in this utility model;

[0022] Figure 6 This is an exploded view of the moving mechanism structure in this utility model.

[0023] In the diagram: 100, U-shaped plate; 110, top plate; 120, cylinder; 200, moving mechanism; 210, plate body; 220, toothed roller; 221, toothed belt; 230, motor box; 300, fixing mechanism; 310, moving plate; 311, connecting block; 320, rotating rod; 321, gear; 330, housing; 331, magnetic plate; 332, locking rod; 340, connecting rod; 341, rubber. Block; 350, Internal threaded ring; 360, Magnetic ring; 361, Support rod; 370, Main electric push rod; 371, Magnetic frame; 380, Auxiliary electric push rod; 381, Gear plate; 400, Engaging mechanism; 410, Connecting frame; 411, Pneumatic push rod; 420, Moving frame; 421, Support plate; 422, Bayonet; 430, Drive box; 440, Cylinder; 441, Slide rod; 442, Rebound spring. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-6 In this embodiment of the utility model, a multi-position fire extinguisher valve drilling device includes:

[0026] The system comprises a U-shaped plate 100, a moving mechanism 200, a fixing mechanism 300 for fixing the valve body, and two screwing mechanisms 400. A top plate 110 is fixedly connected between the top ends of the two arms of the U-shaped plate 100, and the top plate 110 is located in the middle of the U-shaped plate 100. Multiple cylinders 120 are fixedly connected to both the top plate 110 and both arms of the U-shaped plate 100. A drilling device is fixedly connected to the movable end of any cylinder 120. The moving mechanism 200 is fixedly connected to the bottom surface of the U-shaped plate 100, and the fixing mechanism 300 is located on both arms of the U-shaped plate 100. Between them, the fixing mechanism 300 includes a movable plate 310, and multiple rotating rods 320 are rotatably connected to the top surface of the movable plate 310. A housing 330 is fixedly connected to the top of each rotating rod 320. Each housing 330 has a top opening structure, and a magnetic plate 331 is fixedly connected to the bottom surface of each housing 330. An internal threaded ring 350 is provided inside each of the multiple housings 330. Each internal threaded ring 350 is attracted to the adjacent magnetic plate 331. The two screwing mechanisms 400 are located above the two ends of the U-shaped plate 100, respectively.

[0027] Specifically, multiple cylinders 120 are located between the top plate 110 and the U-shaped plate 100. The drilling equipment is existing technology and will not be described in detail here. The specifications of the internal threaded rings 350 are adapted to the valve bodies being produced. A suitable number of internal threaded rings 350 are placed inside the housing 330 and attracted and fixed to the magnetic plate 331 on the housing 330. When placing the internal threaded rings 350, all internal threaded rings 350 are arranged in a transverse array along the moving plate 310. Then, a suitable number of valve bodies are placed on each internal threaded ring 350, and then the multiple valve bodies are connected by a screwing mechanism 400. The valve bodies are screwed into the adjacent internal threaded rings 350, so that multiple valve bodies are arranged in a transverse array along the moving plate 310, and the multiple valve bodies face the same direction. Then, the moving mechanism 200 can drive the moving plate 310 to the top plate 110. Then, as the moving plate 310 passes through the top plate 110, the drilling equipment on the cylinder 120 is activated in sequence to drill holes in the valve bodies that pass through in sequence. After the moving plate 310 passes through the top plate 110, the valve body is unscrewed by another screwing mechanism 400, which facilitates the fixing of the valve body and improves the stability of the valve body when it is fixed.

[0028] Example 1

[0029] like Figure 2-3 As shown, in this embodiment, each housing 330 is a circular box-shaped structure. Multiple sliding holes are provided on the outer wall of each housing 330, and a locking rod 332 is slidably fitted inside each sliding hole. A groove is provided on the outer wall of each internally threaded ring 350. The multiple locking rods 332 on each housing 330 correspond one-to-one with the multiple grooves on adjacent internally threaded rings 350. One end of the locking rod 332 is movably embedded into the adjacent groove. A connecting rod 340 is fixedly connected to the center of the top surface of each magnetic plate 331. A rubber block 341 is provided at the top of each connecting rod 340, and a screw is fixedly connected to the center of the bottom surface of each rubber block 341. A threaded hole is provided on the top surface of each connecting rod 340, and the screw is screwed into the adjacent... Inside the threaded hole, a magnetic ring 360 is slidably sleeved on the outer wall of any rotating rod 320. Multiple support rods 361 are rotatably connected to the outer wall of any magnetic ring 360. The multiple support rods 361 on any magnetic ring 360 correspond one-to-one with the multiple locking rods 332 on the adjacent housing 330. One end of the multiple support rods 361 on any magnetic ring 360 is rotatably connected to the other end of the corresponding locking rod 332. Two main electric push rods 370 are fixedly connected to the top surface of the moving plate 310 through a bracket. A magnetic frame 371 is provided between the two main electric push rods 370. The top surface of the magnetic frame 371 is attracted to the bottom surface of the multiple magnetic rings 360. The movable ends of the two main electric push rods 370 are fixedly connected to the two ends of the magnetic frame 371 respectively.

[0030] In this embodiment, different specifications of internal threaded rings 350 can be configured if the valve body specifications are different. The groove specifications on the different specifications of the internal threaded rings 350 are the same. When placing the internal threaded ring 350 inside the housing 330, the internal threaded ring 350 can be initially fixed by adsorption with the magnetic plate 331. Then, the two main electric push rods 370 are activated to move the magnetic frame 371 downwards, causing the magnetic frame 371 to move the multiple magnetic rings 360 that are adsorbed downwards synchronously. Each magnetic ring 360 pulls multiple adjacent locking rods 332 synchronously towards the center of the adjacent housing 330 through the adjacent support rod 361, and the locking rods 332 engage with the adjacent internal threaded ring 350. Inside the groove, the internal threaded ring 350 is positioned, making it easy for users to install and remove the internal threaded ring 350. Users can also set rubber blocks 341 according to the shape of the valve body. Different specifications of valve bodies can be equipped with corresponding specifications of rubber blocks 341. The screws on different specifications of rubber blocks 341 are of the same type. When in use, the screws on the rubber blocks 341 can be screwed into the threaded holes on the connecting rod 340. When the user places the valve body, the bottom opening of the valve body can be put on the rubber block 341 to support the valve body and prevent the valve body from tilting or falling over. This makes it easy for the screwing mechanism 400 to screw the valve body into or out of the internal threaded ring 350.

[0031] like Figure 4-5 As shown, in this embodiment, the engagement mechanism 400 includes:

[0032] The system comprises multiple connecting frames 410, a movable frame 420, multiple drive boxes 430, and multiple retaining cylinders 440. All connecting frames 410 are U-shaped. One end of each arm of any connecting frame 410 is fixedly connected to one end of the two arms of the U-shaped plate 100. A pneumatic push rod 411 is fixedly connected to the top surface of each connecting frame 410. The top surface of the movable frame 420 is fixedly connected to the movable ends of the multiple pneumatic push rods 411. Multiple rotating holes are provided on the bottom surface of the movable frame 420, and abutment plates 421 are rotatably fitted inside each of these holes. A latch 422 is provided at the center of the top surface of each abutment plate 421. Each drive box 430 corresponds one-to-one with each abutment plate 421. Each of the multiple drive boxes 430 is equipped with a drive motor. The motor shaft of any drive motor passes through the inner top surface of the moving frame 420. Each of the multiple clamping cylinders 440 has a top-opening structure. Each of the multiple clamping cylinders 440 corresponds one-to-one with a multiple abutment plate 421. The bottom of each of the multiple clamping cylinders 440 is movably engaged inside the adjacent clamping slot 422. The inner and outer sidewalls of the multiple clamping cylinders 440 are polygonal. Each of the multiple clamping cylinders 440 has a sliding rod 441 slidably sleeved on its inner sidewall. The top of each sliding rod 441 is fixedly connected to the motor shaft of the drive motor, and the bottom of each sliding rod 441 is fixedly connected to the inner bottom surface of the adjacent clamping cylinder 440 with a spring 442.

[0033] In specific implementation, when the valve body and the movable plate 310 move to below the movable frame 420 on any of the screwing mechanisms 400 via the moving mechanism 200, multiple pneumatic push rods 411 can be activated to drive the movable frame 420 downwards, causing multiple abutment plates 421 to abut against the top of the valve body. The bottom of the abutment plate 421 is made of rubber to increase the friction between it and the valve body. Then, multiple drive motors are activated to cause the slide rod 441 and the clamping sleeve 440 to drive the adjacent abutment plates 421 to rotate, causing the abutment plates 421 to drive the valve body to screw into the adjacent internal thread ring 350. At the same time, multiple pneumatic push rods 411 are activated to move downwards, causing the abutment plates 421 to always abut against the adjacent valve body. All valve bodies are of the same specification, and all internal thread rings 350 are screwed into the valve body. The threaded rings 350 are of the same specification. When the valve body is fully screwed into the adjacent internal threaded rings 350, they maintain the same orientation and height. After the valve body is screwed in, the abutment plate 421 is difficult to be driven to rotate by the retaining sleeve 440 because it is in contact with the valve body. This allows the retaining sleeve 440 to be pushed out from the adjacent retaining slot 422 when rotating. The bottom end of the retaining sleeve 440 and the inner wall of the retaining slot 422 are both rounded, so that the retaining sleeve 440 can naturally push out of the retaining slot 422 when the abutment plate 421 is not rotating. When it is necessary to screw out the valve body, the abutment plate 421 can be pressed against the valve body, and then the drive motor can be started to make the abutment plate 421 drive the valve body to rotate, and screw the valve body into the internal threaded ring 350.

[0034] like Figure 6 As shown, in this embodiment, the moving mechanism 200 includes:

[0035] The system comprises two plates 210, two toothed rollers 220, and a motor box 230. The top surfaces of the two plates 210 are fixedly connected to the bottom surface of the U-shaped plate 100. The two toothed rollers 220 are rotatably connected between the two plates 210. A toothed belt 221 is rotatably sleeved between the outer walls of the two toothed rollers 220. A sliding groove is provided on the bottom surface of the U-shaped plate 100. A connecting block 311 is fixedly connected to the bottom surface of the moving plate 310, and the connecting block 311 is slidably engaged inside the sliding groove. The bottom surface of the connecting block 311 is fixedly connected to the outer wall of the toothed belt 221. The motor box 230 is fixedly connected to one side of one of the plates 210. A servo motor is installed inside the motor box 230, and the motor shaft of the servo motor is fixedly connected to one end of the adjacent toothed roller 220.

[0036] In practice, the toothed belt 221 can be driven to rotate between the two toothed rollers 220 by starting the servo motor, so that the toothed belt 221 pulls the connecting block 311 and the moving plate 310 to move, making it convenient for the user to adjust the position of the moving plate 310.

[0037] Example 2

[0038] Based on Embodiment 1, by setting gear 321 and toothed plate 381, multiple rotating rods 320 on the moving plate 310 can rotate synchronously, which makes it convenient for users to adjust the valve body angle and drill holes in the valve body.

[0039] like Figure 5 As shown, in this embodiment, gears 321 are fixedly sleeved on the bottom of the outer side wall of multiple rotating rods 320. A secondary electric push rod 380 is fixedly connected to one side of the moving plate 310 through a fixing frame. A guide plate is fixedly connected to the movable end of the secondary electric push rod 380. Multiple toothed plates 381 are fixedly connected to one side of the guide plate. The multiple toothed plates 381 correspond one-to-one with the multiple gears 321. The teeth on the multiple toothed plates 381 mesh with the teeth of the corresponding gears 321.

[0040] In practice, when drilling holes in the valve body, the auxiliary electric push rod 380 can be activated to drive the guide plate and multiple toothed plates 381 to move synchronously, so that the multiple toothed plates 381 can rotate the internal gear 321 and the rotating rod 320, thereby synchronously adjusting the rotation of multiple valve bodies on the moving plate 310 to the same angle, which makes it easier for the drilling equipment to drill holes in them.

[0041] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0042] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A multi-position fire extinguisher valve drilling device, characterized in that, include: A top plate (110) is fixedly connected between the top ends of the two arms of the U-shaped plate (100), and the top plate (110) is located in the middle of the U-shaped plate (100). Multiple cylinders (120) are fixedly connected to both the top plate (110) and the two arms of the U-shaped plate (100). A drilling device is fixedly connected to the movable end of any cylinder (120). The moving mechanism (200) is fixedly connected to the bottom surface of the U-shaped plate (100); A fixing mechanism (300) is located between the two arms of the U-shaped plate (100). The fixing mechanism (300) includes a movable plate (310), and a plurality of rotating rods (320) are rotatably connected to the top surface of the movable plate (310). A housing (330) is fixedly connected to the top of any rotating rod (320). Each housing (330) has a top opening structure, and a magnetic plate (331) is fixedly connected to the bottom surface of each housing (330). An internal threaded ring (350) is provided inside each of the plurality of housings (330), and each internal threaded ring (350) is attracted to the adjacent magnetic plate (331). Two engagement mechanisms (400) are located above both ends of the U-shaped plate (100).

2. The multi-position fire extinguisher valve drilling device according to claim 1, characterized in that, Each housing (330) is a circular box-shaped structure. Each housing (330) has multiple sliding holes on its outer side wall. Each sliding hole has a locking rod (332) slidably fitted inside. Each internal threaded ring (350) has a groove on its outer side wall. Each locking rod (332) on each housing (330) corresponds one-to-one with the multiple grooves on the adjacent internal threaded ring (350). One end of the locking rod (332) is movably embedded in the adjacent groove. Each magnetic plate (331) has a connecting rod (340) fixedly connected to the center of its top surface. Each connecting rod (340) has a rubber block (341) at its top. Each rubber block (341) has a screw fixedly connected to the center of its bottom surface. Each connecting rod (340) has a threaded hole on its top surface. The screw is screwed into the adjacent threaded hole.

3. The multi-position fire extinguisher valve drilling device according to claim 2, characterized in that, A magnetic ring (360) is slidably sleeved on the outer wall of any rotating rod (320), and multiple support rods (361) are rotatably connected to the outer wall of any magnetic ring (360). The multiple support rods (361) on any magnetic ring (360) correspond one-to-one with the multiple locking rods (332) on the adjacent housing (330). One end of the multiple support rods (361) on any magnetic ring (360) is rotatably connected to the other end of the corresponding locking rod (332).

4. The multi-position fire extinguisher valve drilling device according to claim 3, characterized in that, The top surface of the movable plate (310) is fixedly connected to two main electric push rods (370) by a bracket, and a magnetic frame (371) is provided between the two main electric push rods (370). The top surface of the magnetic frame (371) is attracted to the bottom surface of multiple magnetic rings (360), and the movable ends of the two main electric push rods (370) are fixedly connected to the two ends of the magnetic frame (371) respectively.

5. The multi-position fire extinguisher valve drilling device according to claim 4, characterized in that, Gears (321) are fixedly sleeved on the bottom of the outer side wall of each of the multiple rotating rods (320). A secondary electric push rod (380) is fixedly connected to one side of the moving plate (310) through a fixing frame. A guide plate is fixedly connected to the movable end of the secondary electric push rod (380). A multiple toothed plate (381) is fixedly connected to one side of the guide plate. The multiple toothed plates (381) correspond one-to-one with the multiple gears (321). The teeth on the multiple toothed plates (381) mesh with the teeth of the corresponding gears (321).

6. The multi-position fire extinguisher valve drilling device according to claim 1, characterized in that, The engagement mechanism (400) includes: Multiple connecting frames (410) are all U-shaped. One end of each arm of any connecting frame (410) is fixedly connected to the two arms of the U-shaped plate (100). A pneumatic push rod (411) is fixedly connected to the top surface of any connecting frame (410). The top surface of the movable frame (420) is fixedly connected to the movable ends of the multiple pneumatic push rods (411). The bottom surface of the movable frame (420) is provided with multiple rotating holes, and the multiple rotating holes are rotatably fitted with abutment plates (421). The center of the top surface of the multiple abutment plates (421) is provided with a latch (422). Multiple drive boxes (430) correspond one-to-one with multiple abutments (421). Each drive box (430) is equipped with a drive motor. The motor shaft of any drive motor passes through the top surface of the moving frame (420). Multiple clamping cylinders (440) are all open at the top. Each clamping cylinder (440) corresponds to a multiple abutment plate (421). The bottom ends of the multiple clamping cylinders (440) are movably engaged inside the adjacent clamping slots (422). The inner and outer walls of the multiple clamping cylinders (440) are polygonal. Each inner wall of the multiple clamping cylinders (440) is slidably fitted with a sliding rod (441). The top end of any sliding rod (441) is fixedly connected to the motor shaft of the drive motor, and the bottom end is fixedly connected to the inner bottom surface of the adjacent clamping cylinder (440) with a spring (442).

7. The multi-position fire extinguisher valve drilling device according to claim 4, characterized in that, The moving mechanism (200) includes: The top surfaces of the two plates (210) are fixedly connected to the bottom surface of the U-shaped plate (100); Two toothed rollers (220) are rotatably connected between two plates (210). A toothed belt (221) is rotatably sleeved between the outer walls of the two toothed rollers (220). A sliding groove is opened on the bottom surface of the U-shaped plate (100). A connecting block (311) is fixedly connected to the bottom surface of the movable plate (310), and the connecting block (311) is slidably engaged in the sliding groove. The bottom surface of the connecting block (311) is fixedly connected to the outer wall of the toothed belt (221). A motor box (230) is fixedly connected to one side of a plate (210). A servo motor is installed inside the motor box (230), and the motor shaft of the servo motor is fixedly connected to one end of an adjacent toothed roller (220).

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