TWI461286B - Machine for forming a mark on tool - Google Patents

Description

Machine for forming hand tool markings

The present invention relates to an implement for forming a tool marking portion.

In general, for the convenience of the user, many hand tools usually have a marking portion on the surface for identification, such as the patent TW M358700, which is provided with a recognition ring for the sub-header, which needs to be formed first. The rear sleeve is set on the screwdriver head, so that not only the manufacturing process is complicated and time-consuming, but also the production efficiency is low.

In order to increase the throughput, the patent is TW 179285, which uses a motor to drive a conveyor belt to transport a plurality of cylindrical workpieces to a surface, the table is provided with two rollers and a rotating disk, and the rotating disk is provided with a a type of belt, the conveyor belt can transport the cylindrical workpiece between the two rollers, and the roller and the rotating disc rotate relative to each other to imprint the font on the surface of the cylindrical workpiece to form a marked section, however, The design of the structure not only needs to provide a driving device to drive the roller and the rotation of the turntable, but also requires an additional motor to drive the conveyor belt to move, which greatly increases the manufacturing cost and is not economical, so it is conventionally used for forming tools. The equipment of the marking department is still unsatisfactory and remains to be discussed by the industry.

SUMMARY OF THE INVENTION An object of the present invention is to provide an apparatus for forming a hand tool marking portion, which can effectively improve production efficiency and can effectively reduce the production cost thereof.

In order to achieve the above object, the present invention provides a machine for forming a hand tool marking portion The utility model comprises a base, a driving device and at least one pushing member.

The base defines a first direction, the base is provided with a first working component, a second working component and a receiving portion, the receiving portion is located between the first working component and the second working component A hand tool is disposed, and one of the first working component and the second working component has a convex embossing portion.

The pushing member is disposed on the driving device and has a pushing portion, the pushing member is coupled to the first working component by the pushing portion, and the driving device can drive the pushing member to move the first working component along the first direction Reciprocating relative to the second working component between a first position and a second position, such that the first working component and the second working component have one of the embossing portions capable of using the embossing portion and the first The other component of the working component and the second working component clamps the hand tool to drive the hand tool to rotate, and is pressed on the surface of the hand tool to form a marking portion corresponding to the embossing portion.

Therefore, the tool for forming the hand tool marking portion of the present invention can form the marking portion on the surface of the hand tool by reciprocating the first working component and the second working component relative to each other, thus The production efficiency is higher. In addition, the first working component and the second working component are used to clamp the hand tool and further rotate the hand tool to press the embossing portion against the surface of the hand tool to form the marking portion. Therefore, there is no need to additionally add a driving motor to drive the hand tool to rotate, and the manufacturing cost thereof can be greatly reduced.

1‧‧‧Base

11‧‧‧ first side

24, 34‧‧‧Lock Firmware

321‧‧‧ convex

12‧‧‧ second side

13, 14‧‧‧ first side wall

15‧‧‧second side wall

16‧‧‧ trench

17‧‧‧Chute

2‧‧‧First working component

3‧‧‧Second working component

21, 31‧‧ ‧ sliding block

211, 311‧‧‧ 容容

22, 22’‧‧‧ first module

221, 221’ ‧ ‧ embossing department

222‧‧‧ protruding surface

32, 32’‧‧‧ second module

23, 33‧‧‧

4‧‧‧Holding Department

41‧‧‧Perforation

42‧‧ ‧ retaining wall

5, 7‧‧‧ pusher

51, 71‧‧ ‧ Promotion Department

6‧‧‧ drive

61, 62‧‧‧ hydraulic cylinder

81‧‧‧stops

82‧‧ ‧ baffle

821‧‧‧ long hole

822‧‧‧through holes

83‧‧‧Flexible parts

9, 9' ‧ ‧ hand tools

91‧‧‧Marking Department

Figure 1 is a perspective view of the present invention.

Figure 2 is a perspective exploded view of the present invention.

Figure 2A is a partial enlarged view of the first module of the present invention.

3A is a schematic view of another embodiment of the first module and the second module of the present invention.

3B is a schematic view of the first module and the second module holding hand tool of the present invention.

Figure 4 is a schematic illustration of the first working component of the present invention in a first position.

5 and 6 are schematic views showing the state of use of the present invention.

Figure 7 is a cross-sectional view of the stop of the present invention in a fifth position.

Figure 8 is a cross-sectional view of the stopper of the present invention in a sixth position.

Figure 9 is a schematic illustration of the hand tool forming indicator portion of the present invention.

The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the invention as claimed.

Referring to FIG. 1 to FIG. 4, the present invention provides an implement for forming a tool marking portion, comprising a base 1, a driving device 6, and at least one pushing member 5.

The base 1 defines a first direction, and the base 1 is provided with a first working component 2, a second working component 3 and a receiving portion 4, and the receiving portion 4 is located at the first working component 2 and the A hand tool 9 is disposed between the second working components 3, and more specifically, the base 1 has a first surface 11 and a second surface 12, which may be, but are not limited to, rectangular. There is a length direction and a width direction, wherein the first direction is parallel to the width direction, and one of the first working component 2 and the second working component 3 has a convex embossing portion.

The pushing member 5 is disposed on the driving device 6 and has a pushing portion 51. The pushing member 5 is coupled to the first working component 2 by the pushing portion 51. The driving device 6 can drive the pushing member 5 to make the first a working component 2 is disposed between the first position and the second position along the first direction The second working component 3 reciprocates, so that the first working component 2 and the second working component 3 have one of the embossing parts, and the embossing part and the first working component 2 and the second The other of the working components 3 holds the hand tool 9 to drive the hand tool 9 to rotate. The embossing portion is pressed on the surface of the hand tool 9 to form a concave mark corresponding to the embossing portion. unit.

In the preferred embodiment of the present invention, the driving device 6 includes two hydraulic cylinders 61 and 62. The two hydraulic cylinders 61 and 62 are disposed in parallel and are respectively coupled with a pushing member 5 and 7, and the two pushing members 5 are respectively connected. And the pushing portions 51 and 71 are respectively connected to the first working component 2 and the second working component 3, and more specifically, the two pushing members 5 and 7 are respectively disposed at the one end of the hydraulic cylinder 61, 62, the two pushing portions 51, 71 are respectively located at one end of the two pushing members 5, 7 away from the two hydraulic cylinders 61, 62, wherein each of the pushing members 5, 7 can be, but is not limited to, a telescopic rod. The two hydraulic cylinders 61, 62 can respectively drive the two pushing members 5, 7 to extend or shorten along the length thereof, so that the first working component 2 is opposite to the first position and the second position along the first direction. The second working component 3 reciprocates, and the second working component 3 can reciprocate relative to the first working component 2 between a third position and a fourth position, wherein the first direction and the second The lengthwise directions of the pushing members 5, 7 are parallel to each other, and the first position is farther away from the two hydraulic cylinders 61, 62, and the second position is Close to the two hydraulic cylinders 61, 62, the third position is closer to the two hydraulic cylinders 61, 62, and the fourth position is farther away from the two hydraulic cylinders 61, 62, so that the two hydraulic pressure The cylinders 61, 62 can respectively drive the pushing members 5, 7 corresponding thereto to push the pushing members 5, 7 to push the first working component 2 and the second working component 3 with their pushing portions 51, 71, and make the first The working assembly 2 and the second working component 3 are displaced relative to each other, more specifically, when the first working component 2 is displaced from the first position toward the second position, the second working component 3 is from the third position Displaceing toward the fourth position, and when the first working component 2 is displaced from the second position toward the first position, the second working component 3 is from the fourth position toward the third position Shifting, the driving unit 6 drives the two pushing members 5, 7 to reciprocate the first working unit 2 and the second working unit 3 in reverse. Preferably, the two pushing members 5, 7 is screwed to the first working component 2 and the second working component 3 by the pushing portions 51 and 71 respectively, so that the first working component 2 and the second working component 3 and the two pushing members 5 and 7 are mutually The fixing effect is better and it is not easy to disengage due to movement. It can be understood that in other possible embodiments, the driving device can also be other devices that can drive the displacement of the pushing member, such as a pneumatic cylinder or the like.

In the preferred embodiment of the present invention, the first working component 2 includes a sliding block 21, a first module 22, at least one pressing block 23 and at least one locking member 24. The sliding block 21 is disposed on the base. The first surface 11 of the first surface 11 is connected to one of the pushing members 5, and more specifically, the sliding block 21 and the pushing portion 51 of the pushing member 5 are screwed to each other to have a linked relationship with each other, and the sliding block 21 is away from the sliding block 21 One of the pedestals 1 is recessed in a recess 211, and the recess 211 faces the receiving portion 4 and has a notch. The first module 22 and the pressing block 23 are received in the receiving slot 211. When the driving member 5 pushes the sliding block 21, the first module 22 and the pressing block 23 can be moved together. The first module 22 and the pressing block 23 can be, but are not limited to, a quadrangular block. The first module 22 is closer to the base 1 and the pressing block 23 is farther away from the base 1 , that is, the pressing block 23 is pressed against the first module 22 , and the locking member 24 is a a screw member, the fastener 24 is sequentially disposed on the pressing block 23, the first module 22, and the sliding block 21, so that the pressing block 23, the first module 22, and the Each movable locking block 21 to each other, when the user wants to print different patterns or letters of the text portion, the locking member 24 need only to replace the detachable module having a first embossed portion of a different, very convenient. It is to be noted that, as shown in FIG. 2A, the embossing portion 221 is formed on a surface of the first module 22 facing the receiving portion 4. Preferably, the first module 22 has a convex surface facing the receiving portion 4. The embossing portion 221 is formed on the protruding surface 222. The opposite ends of the protruding surface 222 are inclined away from the receiving portion 4 to form a slope. Or a curved surface, such that when the pushing member 5 drives the sliding block 21 to displace the first module 22 and press the embossing portion 221 against the surface of the hand tool 9, the convex surface 222 of the first module 22 The end of the hand tool 9 is not easily worn by the first tool 22, and preferably includes a plurality of fasteners 24 in the embodiment to make the pressing block 23, the first module 22 and the sliding block 21 are relatively stable to each other, whereby when the first working component 2 is displaced, the first module 22 is less likely to move freely to shape the marking portion of the hand tool 9 The position can be relatively fixed and not easy to produce errors.

The second working component 3 includes a sliding block 31, a second module 32, at least one pressing block 33 and at least one locking member 34. The sliding block 31 is disposed on the base 1 and connected to the other pushing member 7. More specifically, the sliding block 31 is screwed to the pushing portion 71 of the pushing member 7 to be interlocked with each other. The sliding block 31 is recessed from a recess 311 of one of the bases 1 . The second module 32 and the pressing block 33 are disposed on the receiving slot 311, and the second module 32 can be driven when the pushing member 7 pushes the sliding block 31. The second module 32 and the pressing block 33 can be, but are not limited to, a quadrilateral block, wherein the second module 32 is closer to the base 1 and the pressing block is pressed. 33 is farther away from the base 1 , that is, the pressing block 33 is pressed against the second module 32. It should be noted that the shape of the second module 32 corresponds to the first module 22 . And also having a convex surface facing the receiving portion 4, such that when the first working component 2 is opposite to the second working component 3 During the complex movement, the convex surface 222 of the first module 22 and the convex surface of the second module 32 are simultaneously clamped on opposite sides of the hand tool 9 so that the hand tool 9 is relatively evenly biased to make the hand tool 9 The hand tool 9 can be rotated by the relative movement of the first module 22 and the second module 32. The first module 22 is pressed against the surface of the hand tool 9 by the embossing portion 221 to form the Marking department. The lock 34 is sequentially disposed on The pressing block 33, the second module 32 and the sliding block 31 lock the pressing block 34, the second module 32 and the sliding block 31 to each other, preferably in the embodiment. The plurality of locking members 34 are configured to secure the pressing block 33, the second module 32 and the sliding block 31 to each other, whereby the second module 32 is relatively difficult when the second working component 3 is displaced. The position where the first module 22 and the second module 32 are held by the hand tool 9 can be maintained at a random position, so that the position where the marking portion of the hand tool 9 is formed can be relatively fixed and is not prone to error.

It is to be noted that, in this embodiment, the embossing portion 221 of the first module 22 is a character, but is not limited thereto. In other possible embodiments, as shown in FIG. 3A and FIG. 3B, The embossing portion 221 ′ of the first module 22 ′ may also be a embossed pattern, and the second module 32 ′ of the second working component may be further provided with two convex portions 321 on the convex surface, wherein the two convex portions 321 The distance between the embossing portion 221 ′ and the width of the embossing portion 221 ′, when the first working component and the second working component reciprocate in opposite directions, the embossing portion 221 ′ of the first module 22 ′ and the second module 32 The second convex portion 321 is simultaneously clamped to the hand tool 9 and pressed against the surface of the hand tool 9 to form a marking portion of the embossed road.

Referring to FIG. 2, FIG. 4 and FIG. 5, in the preferred embodiment of the present invention, the base 1 further includes two first side walls 13, 14 and a second side wall 15, the two first side walls 13, 14 is respectively screwed to the first surface 11 of the base 1 and located at opposite ends of the base 1 , wherein the extending directions of the two first sidewalls 13 , 14 are parallel to the first direction, the first work The first working component 2 and the second working component 3 are respectively disposed between the two first side walls 13 and 14 and the second working component 3 and the second working component 3 respectively A first side wall 13 , 14 is in contact with and slidable along the first side wall 13 , 14 , such that the pushing members 5 , 7 drive the first working component 2 and the second working component 3 with the pushing portions 51 , 71 . During displacement, the first working component 2 and the second working component 3 can slide along the first direction between the two first sidewalls 13 and 14 without being outwardly displaced to prevent the The embossing portion 221 of the first module 22 is embossed with an error, and the position is offset. The second side wall 15 is disposed at one end of the base 1 opposite to the two pushing members 5, 7. When the first working component 2 is in the first position (as shown in FIG. 4), the sliding block 21 of the first working component 2 is abutted against the second sidewall 15 when the second working component 3 is in the fourth position. (See FIG. 5), the sliding block 31 of the second working component 3 is abutted against the second sidewall 15 , thereby preventing the first working component 2 and the second working component 3 from being displaced from the base 1 detached, more clearly, the pedestal 1 is recessed in the first direction 11 with a groove 16 in the first surface 11 , and the first working component 2 and the second working component 3 are respectively located in the groove 16 On the opposite sides, the receiving portion 4 is disposed on the groove 16. Preferably, the receiving portion 4 is screwed to the groove 16 of the base 1 by a plurality of screws, and is possible to be implemented. In the example, the two first side walls and the second side wall may also be integrally formed with the base.

In the preferred embodiment of the present invention, please refer to FIG. 2, FIG. 7 and FIG. 8, which further includes a stopper 81, a baffle 82 and an elastic member 83, wherein the receiving portion 4 is substantially elongated. The block body has a through hole 41 for receiving the hand tool 9, and the extending direction of the through hole 41 is perpendicular to the first direction. More specifically, the receiving portion 4 is along the first direction on both sides of the through hole 41. A retaining wall 42 is formed to prevent the hand tool 9 from being randomly dumped. Further, the base 1 is provided with a sliding slot 17 at the groove 16 , and the baffle 82 is disposed on the second surface 12 of the base 1 . And having a long hole 821, the stopper 81 is a substantially slab-shaped piece and has one end penetrating the long hole 821 of the baffle 82. Preferably, the stopper has a first one. The first end of the stop member 81 is slidably received in the sliding slot 17 of the base 1. The elastic member 83 is received in the sliding slot 17 and is biased against the stop. Between the member 81 and the base 1, the stopper 81 is located between the receiving portion 4 and the baffle 82. The width of the first end of the blocking member 81 is larger than the diameter of the long hole 821. Can be stuck against the baffle 82 and not from The long holes 821 of the baffle 82 is dropped, so that the hand tool 9 by the support 81 of the stop member under normal conditions, but without opposed from the supporting portion 4 of The perforation 41 is dropped. The baffle 82 has a corresponding hole 822 corresponding to the through hole 41 of the receiving portion 4. More specifically, the blocking member 81 is movable between a fifth position and a sixth position. The elastic member 83 is elastically caught between the inner wall of the sliding slot 17 and the first end of the stopping member 81, so that the blocking member 81 has a tendency to move toward the fifth position, wherein the blocking member When the first position of the blocking member 81 is in the fifth position (as shown in FIG. 7 ), the first end of the blocking member 81 shields the through hole 822 of the baffle 82 so that the hand tool 9 abuts against the blocking member 81 without being self-contained. The hole 822 is dropped. When the stopping member 81 is in the sixth position (as shown in FIG. 8), the first end of the stopping member 81 does not shield the through hole 822 of the baffle 82, so that the hand tool 9 can The through hole 822 is dropped. In other possible embodiments, the elastic member may not be disposed, and the stopper may be reciprocated between the fifth position and the sixth position through a driving device.

Therefore, in actual use, referring to FIG. 2 to FIG. 9, the user can put a hand tool 9, such as a screwdriver head, wherein the hand tool 9 has a cylindrical section, and the hand tool 9 is placed on the bearing. At the portion 41 of the portion 4, the hand tool 9 is partially received in the through hole 41 and the cylindrical portion is exposed, and the hand tool 9 is not supported by the support portion 81 by the support member 81. 4, the perforation 41 is dropped, and the driving device 6 drives the two pushing members 5, 7 to extend or shorten to drive the first working component 2 and the second working component 3 to reciprocate in opposite directions, as shown in the figure. 4 and FIG. 5, when the first working component 2 moves from the first position toward the second position, the second working component 3 moves from the third position toward the fourth position, wherein the first module The second module 32 is simultaneously clamped to the cylindrical section of the hand tool 9 and drives the hand tool 9 to rotate. The first module 22 is pressed against the hand tool 9 by the embossing portion 221 . The surface of the cylindrical section is formed with a concave portion 91 corresponding to the embossed portion 221, so that the user can apply force after the pressing is completed. The second end of the stopping member 81 moves the stopping member 81 away from the one end of the base 1 in the first direction. As shown in FIG. 7 and FIG. 8 , the stopping member 81 is moved from the fifth position toward the fifth end. The sixth position is moved such that the stopper 81 does not shield the through hole of the baffle 82 822, and the hand tool 9 can be dropped from the through hole 822, as shown in FIG. 5 and FIG. 6, when the first working component 2 moves from the second position toward the first position, the second work The component 3 is moved from the fourth position toward the third position, and the first module 22 is pressed by the embossing portion 221 against the surface of the cylindrical section of the other hand tool 9 to form the indicator portion 91, in other words, The first working component 2 and the second working component 3 can form the marking portion 91 of the two hand tools 9 in one round trip, which not only improves the yield but also improves the production efficiency.

In addition, since the convex surface 222 of the first module 22 and the convex surface of the second module 32 are simultaneously clamped on the hand tool 9 and the hand tool 9 is rotated, and the pressing blocks 24, 34 are used. The two sides of the hand tool 9 can be clamped stably and the force is relatively average, and it is not easy to dump at will, so that the position of the marking portion 91 is relatively uniform and the error is not easy to be offset, so that the product yield is higher, and compared with In the conventional art, there is no need to additionally provide an apparatus for driving the hand tool 9 to rotate, and the indicator portion 91 can be formed on the hand tool 9 only by the first module 22 and the second module 32, thereby greatly reducing Its production costs.

In summary, the present invention provides a tool for forming a hand tool marking portion. The structure is simple and practical, and the marking of two hand tools can be formed by the first working component and the second working component in one round trip. The Ministry not only can increase production and improve production efficiency, but is also a proof of the progressive effect. It is in line with the relevant provisions of the Patent Law, and it is legally filed in accordance with the law.

1‧‧‧Base

2‧‧‧First working component

3‧‧‧Second working component

4‧‧‧Holding Department

5‧‧‧ Pushing parts

6‧‧‧ drive

61, 62‧‧‧ hydraulic cylinder

Claims (8)

The utility model relates to a machine for forming a hand tool marking part, comprising: a base defining a first direction, the base is provided with a first working component, a second working component and a receiving part, wherein the receiving part is located Between the first working component and the second working component, a hand tool is disposed, and the first working component and the second working component have a convex embossing portion, the pedestal has a relative one The first base and the second working component are disposed on the first side of the base and are located on the first surface and the second surface. The receiving portion is disposed on the opposite side of the groove, the receiving portion has a through hole for receiving the hand tool, and the extending direction of the through hole is perpendicular to the first direction, the receiving portion Forming a second retaining wall on the two sides of the perforation so that the hand tool does not move freely, the base is provided with a sliding slot; a driving device; at least one pushing member is disposed on the driving device and has a pushing portion, the pushing The device is coupled to the first working component by the pushing portion, the driving The driving member is driven to reciprocate the first working component relative to the second working component between the first position and the second position along the first direction, so that the first working component and the second working component One of the embossing portions can clamp the hand tool with the other of the first working component and the second working component to drive the hand tool to rotate, and press the surface of the hand tool The 辗 is formed to form a marking portion corresponding to the embossing portion; a stopper, a baffle and an elastic member, the baffle is disposed on the second surface of the pedestal and has a long hole, the stopper Passing through the long hole of the baffle and slidably disposed on the sliding slot of the base, the elastic member is received in the sliding slot and is elastically engaged between the stopping member and the base, so that the hand tool is normal Not under Will fall from the perforation of the bearing. An apparatus for forming a hand tool marking portion according to claim 1, wherein the driving device comprises two hydraulic cylinders, and the two hydraulic cylinders are respectively coupled with a pushing member, wherein the two pushing members respectively respectively Connecting the first working component and the second working component to enable the second working component to reciprocate relative to the first working component between a third position and a fourth position, wherein the first position is further away from the a hydraulic cylinder, the second position is closer to the hydraulic cylinder, the third position is closer to the hydraulic cylinder, and the fourth position is farther away from the hydraulic cylinder, when the first working component is from the first When the position is displaced toward the second position, the second working component is displaced from the third position toward the fourth position, and when the first working component is displaced from the second position toward the first position, the second working component Displacement from the fourth position toward the third position causes the first working component to reciprocate in opposite directions from the second working component. An apparatus for forming a hand tool marking portion according to claim 1, wherein the first working component comprises a sliding block, a first module, at least one pressing block and at least one locking member, wherein the sliding block is disposed on The pedestal is connected to the urging member, and the sliding block is recessed from a recess of the base. The first module and the pressing block are received in the receiving slot and the first module is closer to the a base portion, the pressing block is farther away from the base, and the locking member is sequentially disposed on the pressing block, the first module and the sliding block, so that the pressing block, the first module and the sliding block are mutually The embossing portions are formed on one side of the first module facing the receiving portion. An apparatus for forming a hand tool marking portion according to claim 2, wherein the first working component comprises a sliding block, a first module, at least one pressing block and at least one locking member, wherein the sliding block is disposed on The pedestal is connected to the urging member, and the sliding block is recessed from a recess of the base, and the first module and the pressing block are received in the receiving slot and the first module is relatively Close to the base, the pressing block is farther away from the base, and the locking member is sequentially disposed on the pressing block, the first module and the sliding block, so that the pressing block, the first module and the sliding block The blocks are interlocked with each other, and the embossing portion is formed on a surface of the first module facing the receiving portion. An apparatus for forming a hand tool marking portion according to claim 4, wherein the second working component comprises a sliding block, a second module, at least one pressing block and at least one locking component, the sliding block is provided The second block and the pressing block are disposed in the receiving slot, wherein the second module is closer to the bottom of the base, and the sliding block is recessed from the base. a pedestal, the pressing block is farther away from the pedestal, and the locking member is sequentially disposed on the pressing block, the second module and the sliding block, so that the pressing block, the second module and the sliding block Lock each other. An apparatus for forming a hand tool marking portion according to claim 5, wherein when the first working component and the second working component reciprocate in opposite directions, the first module and the second module are simultaneously clamped The hand tool is relatively evenly supported on the opposite sides of the hand tool, and the hand tool can be rotated by the relative movement of the first module and the second module, and the first module is pressed by the embossing portion The surface of the hand tool forms the indicator portion. An apparatus for forming a hand tool marking portion according to claim 5, the base further comprising two first side walls and a second side wall, wherein the two first side walls are respectively disposed at opposite ends of the base, The first working component and the second working component are disposed between the two first sidewalls, and the first working component and the second working component are respectively in contact with one of the first sidewalls and are slidable along the first sidewall. The second sidewall is disposed at one end of the base relative to the pushing member. When the first working component is in the first position, the sliding block of the first working component is abutted against the second sidewall, when the second sidewall When the working component is in the fourth position, the sliding block of the second working component is abutted On the second side wall. An apparatus for forming a hand tool marking portion according to claim 1, wherein the baffle has a corresponding hole corresponding to the through hole of the receiving portion, and the blocking member is in a fifth position and a first Moving between the six positions, the elastic member has a tendency to move the stopper to the fifth position, and when the stopper is in the fifth position, the stopper shields the through hole of the baffle to make the hand tool Abutting against the blocking member and not falling from the through hole, when the blocking member is in the sixth position, the blocking member does not cover the through hole of the baffle to enable the hand tool to be self-piercing Dropped.