CN219053082U

CN219053082U - Cut-off mechanism and pneumatic nail production device

Info

Publication number: CN219053082U
Application number: CN202223485167.0U
Authority: CN
Inventors: 李文东
Original assignee: Unicorn Tianjin Fasteners Co ltd
Current assignee: Unicorn Tianjin Fasteners Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-23
Anticipated expiration: 2032-12-26

Abstract

The application provides a cut-off mechanism and pneumatic nail apparatus for producing belongs to pneumatic nail technical field. The cutoff mechanism comprises a support assembly and a cutoff assembly. The second rack is fixedly connected with the first rack, and the cutting table is arranged at the top end of the second rack; the upper surface of the cutting table is provided with a cutting groove; the driving piece installation end install in first frame top, the driving piece drive end with pivot one end is connected, the pivot with cutting bench upper surface connection, just the driving piece drive the pivot rotates, cut blade installation end fixedly connected with thread bush, the thread bush with pivot other end spiro union sets up, the fixed cover in thread bush outside is equipped with fixation nut, just cut blade bottom and be located inside the cutting groove. Through the spiro union setting of pivot and thread bush for can directly follow pivot one end with cutting the blade and take off soon, accelerate the change efficiency of cutting the blade.

Description

Cut-off mechanism and pneumatic nail production device

Technical Field

The application relates to the field of pneumatic nails, in particular to a cutting mechanism and a pneumatic nail production device.

Background

The pneumatic nail is used by a pneumatic nail gun, the pneumatic nail gun is also called a pneumatic nail gun, the pneumatic nail gun is composed of a gun body, an air cylinder, a switch, a firing pin, a gun nozzle and the like, and the high-pressure air drives the firing pin separated from the air cylinder of the nail gun to perform hammering movement by virtue of the pressure difference between the compressed air and the atmosphere, so that the pneumatic nail can be driven out when the firing pin comes out of the gun nozzle in the actual work by sending the nail into a groove in a gun cover by virtue of a pressure spring or a tension spring and the like.

The steel plate after the laser tangent line needs to be cut into one section in the production process of the traditional pneumatic nail, when cutting, the edge of a cutting knife can also generate abrasion, as disclosed in Chinese patent publication No. CN215587975U, a cutting device for producing the pneumatic nail is provided with a mounting groove on a plate body, a cutter is mounted by the mounting groove, and after the cutter is positioned by a first positioning block and a second positioning block which are respectively arranged on the plate body and the mounting groove, the cutter is fixed by a screw, so that the cutter is convenient to assemble and disassemble and easy to operate.

However, the above solution is still inconvenient when changing the blade, reducing the efficiency of blade replacement.

Disclosure of Invention

In order to make up the defects, the application provides a cutting mechanism and a pneumatic nail production device, which aim to solve the problems that the blade replacement is still inconvenient and the efficiency of blade replacement is reduced.

In one aspect, embodiments of the present application provide a cutoff mechanism including a support assembly and a cutoff assembly.

The support assembly comprises a first rack, a second rack and a cutting table, wherein the second rack is fixedly connected with the first rack, and the cutting table is arranged at the top end of the second rack; the upper surface of the cutting table is provided with a cutting groove; the cutting assembly comprises a driving piece, a cutting blade and a rotating shaft, wherein the mounting end of the driving piece is mounted on the top end of the first frame, the driving end of the driving piece is connected with one end of the rotating shaft, the rotating shaft is connected with the upper surface of the cutting table, the driving piece drives the rotating shaft to rotate, the mounting end of the cutting blade is fixedly connected with a threaded sleeve, the threaded sleeve is in threaded connection with the other end of the rotating shaft, a fixing nut is fixedly sleeved outside the threaded sleeve, and the bottom of the cutting blade is positioned inside the cutting groove.

In a specific embodiment, the cutting assembly further comprises an adjusting and limiting piece, wherein the adjusting and limiting piece is arranged on the upper surface of one end of the cutting table and limits the steel plate.

In a specific embodiment, the adjusting and limiting member includes a fixing plate and an adjusting portion, the fixing plate is fixed on an upper surface of one end of the cutting table, and the adjusting portion is screwed through the fixing plate and limits the steel plate.

In a specific embodiment, the adjusting portion includes a hand wheel, a threaded rod and a limiting plate, the hand wheel is fixedly connected with one end of the threaded rod, the other end of the threaded rod is screwed through the fixing plate and is rotationally connected with the limiting plate, and the limiting plate is slidably connected with the upper surface of the cutting table.

In a specific embodiment, the adjusting and limiting part further comprises a guiding part, and the two groups of guiding parts respectively penetrate through the fixing plate and are connected with the limiting plate.

In a specific embodiment, the two groups of guiding parts comprise limiting blocks and guiding rods, one ends of the limiting blocks and the guiding rods are fixedly connected, and the two guiding rods respectively penetrate through the fixing plate in a symmetrical and movable mode and are fixedly connected with the limiting plates.

In a specific embodiment, a blanking slot is arranged inside the second frame below the cutting slot.

On the other hand, the embodiment of the application also provides a pneumatic nail production device, which comprises the cutting device.

The beneficial effects are that: the application provides a cut-off mechanism and pneumatic nail apparatus for producing: when needing to cut the steel sheet, aim at cutting blade department with the steel sheet, then start the driving piece, driving piece drive pivot rotates, rotates and makes cutting blade rotate, realizes cutting the steel sheet, and the steel sheet after cutting drops through the cutting groove. When the cutting blade needs to be replaced, the spanner is used for rotating the fixing nut, and the thread bush is screwed off from the rotating shaft, so that the cutting blade can be replaced. Through the spiro union setting of pivot and thread bush for can directly follow pivot one end with cutting the blade and take off soon, accelerate the change efficiency of cutting the blade. Through the setting of fixation nut, more laborsaving and more convenient when rotating the thread bush.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a first view angle diagram of a cutoff mechanism according to an embodiment of the present application;

fig. 2 is a schematic view of a second view structure of the cutoff mechanism according to the embodiment of the present application;

fig. 3 is a schematic structural diagram of a connection relationship between a rotating shaft and a truncated blade according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a connection relationship between a fixing plate and an adjusting portion according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a connection relationship between a guide part and a fixing plate according to an embodiment of the present application.

In the figure: 10-a support assembly; 110-a first rack; 120-a second rack; 130-a cutting station; 131-cutting grooves; a 20-cutoff assembly; 210-a driver; 211-motor; 212-a driving pulley; 213-driven pulleys; 214-a drive belt; 220-truncating the blade; 230-rotating shaft; 240-fixing the nut; 250-thread sleeve; 260-adjusting the limiting piece; 261-a fixed plate; 262-an adjusting part; 2621-handwheels; 2622-threaded rod; 2623-limiting plate; 263-guide; 2631-stopper; 2632-guide bar; 270-blanking groove.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

Referring to fig. 1-5, in one aspect, an embodiment of the present application provides a cutoff mechanism, including a support assembly 10 and a cutoff assembly 20.

The support assembly 10 is used for supporting and installing the cutting assembly 20, the cutting assembly 20 can cut off the steel plate, and the cutting blade 220 is easy to replace.

Referring to fig. 1 and 2, the support assembly 10 includes a first frame 110, a second frame 120, and a cutting table 130, wherein the second frame 120 is fixedly connected with the first frame 110, and the cutting table 130 is mounted at the top end of the second frame 120; the upper surface of the cutting table 130 is provided with a cutting groove 131; the first frame 110 and the second frame 120 are welded and fixed, and the height of the first frame 110 is lower than that of the second frame 120, and the cutting table 130 is welded and fixed at the top end of the second frame 120 for supporting and installing the whole device.

Referring to fig. 1, 2, 3 and 4, the cutting assembly 20 includes a driving member 210, a cutting blade 220 and a rotating shaft 230, wherein a mounting end of the driving member 210 is mounted at a top end of the first frame 110, specifically, the driving member 210 includes a motor 211, a driving pulley 212, a driven pulley 213 and a driving belt 214, the motor 211 is mounted at the top end of the first frame 110 through bolts, the driving pulley 212 is welded to an output end of the motor 211, the driven pulley 213 is welded to one end of the rotating shaft 230, and the driving belt 214 is disposed outside the driving pulley 212 and the driven pulley 213. The driving end of the driving member 210 is connected with one end of a rotating shaft 230, the rotating shaft 230 is connected with the upper surface of the cutting table 130, and specifically, an installation seat is rotatably arranged on the outer side of the rotating shaft 230 and is installed on the cutting table 130 through bolts. The driving piece 210 drives the rotating shaft 230 to rotate, the mounting end of the cutting blade 220 is fixedly connected with a thread sleeve 250, and specifically, the thread sleeve 250 is welded and fixed with the cutting blade 220. The threaded sleeve 250 is in threaded connection with the other end of the rotating shaft 230, specifically, an internal thread is arranged in the threaded sleeve 250, and an external thread matched with the internal thread is arranged on the outer side of one end of the rotating shaft 230. The fixing nut 240 is fixedly sleeved outside the threaded sleeve 250, and specifically, the fixing nut 240 is welded and sleeved outside the threaded sleeve 250. And the bottom of the cutoff blade 220 is located inside the cutting slot 131. When the steel plate needs to be cut off, the steel plate is aligned to the cutting blade 220, then the driving piece 210 is started, the driving piece 210 drives the rotating shaft 230 to rotate, the cutting blade 220 is rotated by rotation, cutting of the steel plate is achieved, and the cut steel plate falls through the cutting groove 131. When the cutting blade 220 needs to be replaced, the fixing nut 240 is turned by using a wrench, and the screw sleeve 250 is unscrewed from the rotating shaft 230, so that the cutting blade 220 can be replaced. Through the screw connection setting of the rotating shaft 230 and the thread sleeve 250, the cutting blade 220 can be directly screwed off from one end of the rotating shaft 230, so that the replacement efficiency of the cutting blade 220 is quickened. Through the setting of fixation nut 240, more laborsaving and more convenient when rotating thread bush 250.

In this embodiment, the cutting assembly 20 further includes an adjusting and limiting member 260, where the adjusting and limiting member 260 is disposed on an upper surface of one end of the cutting table 130 and limits the steel plate. Wherein, just limit straight to be cut off can be carried out through adjusting the limiting piece 260, the phenomenon of inclination appears when cutting off the steel sheet is prevented.

In the present embodiment, the adjusting limiter 260 includes a fixing plate 261 and an adjusting portion 262, the fixing plate 261 is fixed to an upper surface of one end of the cutting table 130, and specifically, the fixing plate 261 is welded to the cutting table 130. The adjusting portion 262 is screw-coupled to penetrate the fixed plate 261 and limits the steel plate. Wherein the width of the cut steel plate can be adjusted by the adjusting part 262.

In this embodiment, the adjusting portion 262 includes a hand wheel 2621, a threaded rod 2622 and a limiting plate 2623, wherein one ends of the hand wheel 2621 and the threaded rod 2622 are fixedly connected, and one ends of the hand wheel 2621 and the threaded rod 2622 are welded and fixed. The other end of the threaded rod 2622 is in threaded connection with the fixed plate 261 and is in rotary connection with the limiting plate 2623, and the fixed plate 261 is provided with a threaded hole matched with the threaded rod 2622. And the limiting plate 2623 is slidably connected with the upper surface of the cutting table 130, specifically, a chute matched with the bottom end of the limiting plate 2623 is provided on the cutting table 130. When the width of the cut steel plate needs to be adjusted, the hand wheel 2621 is rotated, so that the threaded rod 2622 is rotated, the limiting plate 2623 slides, and the cutting width of the steel plate can be adjusted.

In this embodiment, the adjusting and limiting member 260 further includes a guiding portion 263, and the two guiding portions 263 respectively movably penetrate through the fixed plate 261 and are connected with a limiting plate 2623. Wherein, the limit plate 2623 is more stable when being connected with one end through the guide part 263.

In this embodiment, the two sets of guiding portions 263 include a limiting block 2631 and a guiding rod 2632, wherein one ends of the limiting block 2631 and the guiding rod 2632 are fixedly connected, and specifically, one ends of the limiting block 2631 and the guiding rod 2632 are welded and fixed. The two guide rods 2632 respectively and symmetrically penetrate through the fixed plate 261 and are fixedly connected with the limiting plate 2623, and specifically, the other ends of the guide rods 2632 are fixedly welded with the limiting plate 2623. When the limiting plate 2623 moves, the guide rod 2632 also moves along with the limiting plate 2623, so that the limiting plate 2623 is more stable during movement.

In this embodiment, a blanking groove 270 is disposed below the cutting groove 131 in the second frame 120, and specifically, the blanking groove 270 is welded and fixed in the second frame 120. The cut steel sheet passes through the cutting groove 131 and enters the blanking groove 270 to be collected.

On the other hand, referring to fig. 1-5, an embodiment of the present application further provides a pneumatic nail production device, which includes the cutting device.

This cut-off mechanism and pneumatic nail apparatus for producing:

when the steel plate needs to be cut off, the steel plate is aligned to the cutting blade 220, then the driving piece 210 is started, the driving piece 210 drives the rotating shaft 230 to rotate, the cutting blade 220 rotates, the cut-off of the steel plate is achieved, and the cut steel plate falls through the cutting groove 131. When the cutting blade 220 needs to be replaced, the fixing nut 240 is turned by using a wrench, and the screw sleeve 250 is unscrewed from the rotating shaft 230, so that the cutting blade 220 can be replaced. Through the screw connection setting of the rotating shaft 230 and the thread sleeve 250, the cutting blade 220 can be directly screwed off from one end of the rotating shaft 230, so that the replacement efficiency of the cutting blade 220 is quickened. Through the setting of fixation nut 240, more laborsaving and more convenient when rotating thread bush 250.

It should be noted that, the specific model specification of the motor 211 needs to be determined by selecting a model according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the motor 211 and its principle will be clear to a person skilled in the art and will not be described in detail here.

The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the present application, and various modifications and variations may be suggested to one skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Claims

1. A cutoff mechanism, which is characterized by comprising

The support assembly (10) comprises a first frame (110), a second frame (120) and a cutting table (130), wherein the second frame (120) is fixedly connected with the first frame (110), and the cutting table (130) is arranged at the top end of the second frame (120); and a cutting groove (131) is formed in the upper surface of the cutting table (130);

the utility model provides a cut subassembly (20), includes driving piece (210), cuts blade (220) and pivot (230), driving piece (210) installation end install in first frame (110) top, driving piece (210) drive end with pivot (230) one end is connected, pivot (230) with cutting bench (130) upper surface is connected, just driving piece (210) drive pivot (230) rotate, cut blade (220) installation end fixedly connected with thread bush (250), thread bush (250) with pivot (230) other end spiro union sets up, thread bush (250) outside fixed cover is equipped with fixation nut (240), just cut blade (220) bottom is located inside cutting tank (131).

2. The cutoff mechanism according to claim 1, wherein the cutoff assembly (20) further comprises an adjustment limiter (260), the adjustment limiter (260) being disposed on an upper surface of one end of the cutting table (130) and limiting the steel plate.

3. A cutting mechanism according to claim 2, wherein the adjusting and limiting member (260) comprises a fixing plate (261) and an adjusting portion (262), the fixing plate (261) is fixed on an upper surface of one end of the cutting table (130), and the adjusting portion (262) is screwed through the fixing plate (261) and limits the steel plate.

4. A cutting mechanism according to claim 3, wherein the adjusting portion (262) comprises a hand wheel (2621), a threaded rod (2622) and a limiting plate (2623), the hand wheel (2621) is fixedly connected with one end of the threaded rod (2622), the other end of the threaded rod (2622) is screwed through the fixing plate (261) and is rotatably connected with the limiting plate (2623), and the limiting plate (2623) is slidably connected with the upper surface of the cutting table (130).

5. The cutoff mechanism according to claim 4, wherein the adjustment stop (260) further comprises guide portions (263), and wherein two sets of guide portions (263) are movably connected to the stop plate (2623) through the fixed plate (261), respectively.

6. The cutoff mechanism according to claim 5, wherein the two sets of guide portions (263) include a stopper (2631) and a guide rod (2632), one end of the stopper (2631) is fixedly connected to one end of the guide rod (2632), and the two guide rods (2632) respectively symmetrically penetrate through the fixing plate (261) and are fixedly connected to the limiting plate (2623).

7. A cutoff mechanism according to claim 1, wherein a blanking slot (270) is provided in the second housing (120) below the cutting slot (131).

8. The pneumatic nail production device is characterized by comprising

The cutoff mechanism of any of claims 1-7.