TWM589622U - Clamping pliers structure allowing rapid replacement of tool head - Google Patents

Abstract

This creation provides a clamp structure for quickly changing the cutter head, which includes a clamp, two seats and two magnetic parts. The clamp is composed of two clamps pivotally connected. Both clamps have a grip and a working part. The two working parts have mounting holes in the pliers wall, and the grips of the two pliers bodies can be held and driven to drive the two pliers walls closer or farther away. Both seats have a mounting part and a head. Each mounting part has a groove to fix the magnetic suction member. Each mounting part is placed in the mounting hole and the head and the blocking part block the positioning on both sides of the jaw wall. Each seat body is provided with a jack to communicate with the accommodating groove, and the two heads are arranged to face each other on the two clamp walls provided. The insertion part of the cutter head can be inserted into each insertion hole to contact the magnetic suction member, so that the insertion part is attracted and positioned by the magnetic force, and can be pulled out by force, and the cutter head can be quickly replaced.

Description

Clamp structure for quickly changing cutter head

This creation is about a clamp, especially a clamp structure for quick replacement of cutter heads.

As shown in FIGS. 1 to 5, it is a variety of conventional clamps that can be equipped with a cutter head. Each clamp is mainly composed of two clamp bodies 1 pivotally connected. Each clamp body 1 has a grip 2 and is located at one end Working part 3, which has a pliers wall 4 and can be installed with the cutter head 5 to perform the clamping operation of the object, the cutter head 5 is, for example, a combination of an anvil block and a clamping block and is used in a buckle The installation, or the combination of the hole cutter and the cutting board is used to punch holes in the belt.

As shown in FIG. 1, the cutter head 5 is fixed with the screw thread 6A in the screw hole 7A of the pliers wall 4; and as shown in FIG. 2, the cutter head 5 is clamped with a tapered post 6B It is fixed on the positioning part 7B of the pliers wall 4 and then fixed; as shown in FIG. 3, the clamp 5 is fixed by the protruding column 6C in the positioning part 7C and fixed on the rubber ring 8C; The clamp is a clamping post 6D of the cutter head 5 which is clamped and fixed in the ring sleeve 7D. Also as shown in FIG. 5, the clamping post 6E of the cutter head 5 passes through the clamping member 7E and is clamped and fixed.

However, the above-mentioned various conventional clamps which can be equipped with cutter heads have the following problems:

1. The clamp shown in Fig. 1 must take time to screw the screw thread 6A into the screw hole 7A until it is tightened. It is the slowest to install the cutter head 5 in the above-mentioned conventional clamp.

2. In the pliers of FIGS. 2 to 4, although the installation time of the cutter head 5 is faster than that of the screw thread 6A, the taper column 6B, the rubber ring 8C, the ring sleeve 7D and the positioning portion 7B, The locking of the convex column 6C and the clamping column 6D will cause the component to wear at the contact part due to frequent use, and it is easy to cause the cutter head 5 to loosen on the clamp over time.

3. Although the clamp shown in FIG. 5 can securely clamp the clamping post 6E with the clamping piece 7E without loosening, it must take time and effort to pull the clamping piece 7E apart when the cutter head 5 is to be detached It is inconvenient in using the clip post 6E to detach it.

4. The conventional clamp, if there is a spare cutter head 5, is usually placed in the tool box where the clamp is stored. It is inconvenient to carry it when only carrying the clamp. Therefore, in order to carry the spare cutter head 5 at the same time, some conventional clamps machine a screw hole (not shown) on the clamp body 1 to allow the screw cutter head 5 to be screwed on the clamp body 1. However, additionally processing screw holes in the jaw body 1 will cause a problem of increased manufacturing cost of the jaws.

Therefore, how to solve the above-mentioned problems with the conventional clamps includes slow installation of the cutter head 5 in the clamp, or loose installation of the cutter head 5 in the clamp, or easy disassembly of the cutter head 5, And the problem that the spare blade 5 is carried with the clamp is the focus of this creation.

In order to solve the above-mentioned problems, the present invention provides a clamp structure for quickly changing the cutter head, so that the cutter head can be positioned in the clamp by means of magnetic attraction, and can be quickly assembled and detached to facilitate replacement of the cutter head.

An embodiment of the present invention provides a clamp structure for quickly replacing a cutter head, which includes a clamp, two seats, and two magnetic components. The clamp is formed by pivotally connecting the two clamps, each clamp has a The grip part has a working part at an end different from the grip part, the two working parts have two face-to-face pliers walls, and two mounting holes are respectively arranged on the two pliers walls, and the grip parts of the two pliers bodies can be held Hold the drive to drive the two jaw walls relatively close or far away. The two seats have a mounting portion and a head, respectively. The head extends radially at one end of the mounting portion, each mounting portion has a receiving slot, each mounting portion is placed in one of the aforementioned mounting holes, and the head And a baffle located on the outer periphery of the installation portion is blocked and positioned on both sides of the wall of the pliers provided, each seat body has an axial hole penetrating a receiving groove at one end of its own head, and the two heads are provided in the two pliers provided Located on opposite walls. The two magnetic components are respectively fixed in the aforesaid holding slot, and the cutter head has a plug-in portion that can be magnetically attracted, and the plug-in portion can be inserted into each insertion hole to contact the magnetic component and be attracted by the magnetic force Positioning, and can be pulled out with force and quickly replaced.

In a preferred embodiment, each seat body has a class in the mounting portion, the class system jack is formed smaller than the accommodating slot, and each magnetic attraction member in the accommodating slot where one end abuts the class, while the other end is The limiting portion protruding in the accommodating groove is blocked to position each magnetic attraction member in each accommodating groove.

In a preferred embodiment, each receiving slot penetrates the installation portion where the receiving slot is longer than the provided magnetic suction member to form an insertion section, and the insertion section and the insertion hole of each seat are located in the installation section Both ends of the magnetic attracting member, and the inserting section is for inserting the cutter head with the inserting part into the magnetic attracting member provided by the magnetic attracting member and positioned by the magnetic force.

In this way, when the appropriate cutter head is to be assembled into the clamp structure of this creation, as long as the insertion part of the cutter head is aligned with the socket of the seat body and inserted, the insertion part can be When the magnetic force is attracted and positioned, the grips of the two jaws can be operated to bring the cutter heads positioned near the two seats closer to perform the clamping operation of the object, and when the cutter heads are to be replaced, the insertion part and the magnetic attractor are It is easy to apply force to the cutter head and pull out the insertion part from the socket by magnetic force to achieve the effect of quick replacement of the cutter head.

In addition, when there is a spare cutter head to be carried along with the clamp, the receiving slot of the installation part has an insertion section at an end different from the jack, except that the cutter head can insert the insertion part into the jack and be magnetically attracted After the magnet is attracted and positioned, the spare cutter head can also be inserted into the insertion section with the insertion part, and the magnet is attracted and positioned by the magnetic force, so the clamp itself does not need any processing, but only through The seat body is provided with an insertion section, so that the spare blade head can be installed so that the spare blade head can be carried along with the clamp.

In order to facilitate the explanation of the central idea expressed in the column of the above-mentioned new content, the specific embodiment is hereby expressed. In the embodiments, various objects are drawn according to the proportion, size, deformation or displacement suitable for description, rather than drawn according to the proportion of actual elements, which will be described first.

Please refer to FIG. 6 to FIG. 12, the present invention provides a clamp structure for quickly changing the cutter head. The clamp structure 100 includes a clamp 10, two seats 20 and two magnetic members 30, and a knife can be installed The head 40 is used to perform a clamping operation. In the first embodiment, the cutter head 40 is described as an example of a set of fastener clips on which a fastener can be installed, in which:

The clamp 10 is composed of two clamp bodies 11 pivotally connected. Each clamp body 11 has a grip portion 12 and a working portion 13. The working portion 13 is located on the clamp body 11 at an end different from the grip portion 12 . The working portion 13 of each pliers body 11 has a pliers wall 14, the pliers walls 14 of the two pliers bodies 11 are arranged face to face, and each pliers wall 14 has a mounting hole 15 respectively, and the two mounting holes 15 of the two pliers walls 14 are arranged oppositely. The grips 12 of the two forceps bodies 11 can be held and driven, for example, by holding the two grips 12 close together, so that the two grips 12 are relatively close, and at this time, the two forceps walls 14 are also brought relatively close; holding the two grips 12 and Opening to make the two grips 12 relatively away, at this time also driving the two jaw walls 14 relatively away.

Each seat body 20 has an installation portion 21 and a head portion 22. The head portion 22 is located at one end of the installation portion 21 and extends radially, so the width of the head portion 22 is greater than the installation portion 21, and each installation部21内有一个容槽23。 There is a container 23 in the portion 21. When the seat body 20 is installed on the jaws 10, each seat body 20 is placed in the mounting hole 15 of a forceps wall 14 with its mounting portion 21, and a blocking portion 211 on the outer periphery of the mounting portion 21 is provided with a head 22 and a blocking portion The portion 211 blocks positioning on both sides of the provided jaw wall 14 (as shown in FIG. 7). Each seat body 20 has an insertion hole 24. Each insertion hole 24 is axially penetrated from the end of the seat body 20 having the head 22 and communicates with the receiving groove 23. The two heads 22 face each other on the two clamp walls 14 provided. Assume. The opposite direction means that the two heads 22 of the two jaw walls 14 are one of the two heads and the other is facing each other. It is not limited to the two heads 22 facing each other, and an angular difference (such as two (Angle caused by tilting of the jaw wall 14 when relatively away).

Each magnetic member 30 is fixed in the receiving groove 23 of the base 20 respectively. The cutter head 40 has a plug-in portion 41 that can be inserted into each socket 24 until one end of the plug-in portion 41 contacts The magnetic member 30 located in the accommodating groove 23 is thus attracted and positioned by the magnetic force (as shown in FIG. 8), and can be pulled out with force to be quickly replaced. In this embodiment, each magnetic attraction member 30 is a permanent magnet, and the insertion portion 41 is an iron material that can be magnetically attracted.

In the present embodiment, each seat body 20 has a class 25 in the mounting portion 21, this class 25 is formed because the insertion hole 24 is smaller than the receiving slot 23, that is, the mounting portion 21 is formed with the receiving hole 24 and the receiving slot 23 The diameter difference forms a class 25, and each magnetic attraction member 30 abuts against the class 25 at one end in the containing groove 23, and the other end is blocked by a limiting portion 212 (as shown in FIG. 7). The portion 212 is protruded into the accommodating groove 23, so as to position each magnetic attraction member 30 in each accommodating groove 23.

In this embodiment, each receiving slot 23 penetrates the mounting portion 21 where it is located, and each receiving slot 23 is longer than the provided magnetic attraction member 30, so that the section of the receiving slot 23 outside the magnetic attraction member 30 forms an insertion section 231, the insertion section 231 and the insertion hole 24 of each seat body 20 are located at both ends of the provided magnetic member 30, and the insertion section 231 is used for inserting the cutter head 40 with the insertion portion 41 to the provided The magnetic member 30 is positioned by being attracted by magnetic force (as shown in FIG. 8).

In this embodiment, as shown in FIG. 6, the two clamp bodies 11 each have a shaft hole 16. Each shaft hole 16 is adjacent to the working portion 13 at the clamp body 11 where the two clamp holes 11 are located. The positions of the jaws 11 are symmetrically arranged. Each shaft hole 16 is provided with a shaft member 17. The two shaft members 17 are pivotally connected to the two jaw bodies 11 by a connecting member at both ends on the same side of the jaw 10, so that the two jaw bodies 11 can pivot relative to each other. Further, in the preferred embodiment, the connecting member is a piece of body 18, which is elongated and has two perforations 181. The two perforations 181 are adjacent to both ends of the piece 18, and the two shaft members 17 are The two ends on the same side of the forceps 10 pass through the two through holes 181 and are pivotally connected to the sheet body 18.

In this embodiment, it further includes a reset elastic member, which is disposed between the two pliers bodies 11 so that when the force for holding and driving the grip 12 of the two pliers bodies 11 is lost, the reset elastic members are used to drive the two pliers The grip portion 12 of the body 11 is opened, so that the two working portions 13 are relatively away. Preferably, the return elastic member is a torsion spring 19, which includes a ring portion 191 and two spring arms 192 (as shown in FIG. 8). The two spring arms 192 extend from both ends of the ring portion 191, and the ring portion 191 is a snare On one shaft member 17 (choose one of the two shaft members 17), the two spring arms 192 abut against the inner sides of the two grips 12, respectively. Therefore, when no force is applied to the two grips 12 held, the two grips 12 are automatically opened by the elastic force of the two elastic arms 192.

The following further describes the assembly of the clamp structure of this creation, in particular, the assembly positioning of the seat body 20 on the forceps arm 14, in which the mounting portion 21 of each seat body 20 is provided with a first ring groove 213 and a second The ring groove 214 (as shown in FIG. 9), the length of the first ring groove 213 and the second ring groove 214 in the axial direction is greater than the depth in the radial direction, wherein the first ring groove 213 is located at the position of the mounting portion 21 It corresponds to the shaped stopper 211, and the position of the second annular groove 214 at the mounting portion 21 corresponds to the shaped limiter 212. Before and after the two pliers bodies 11 are pivotally connected to form the pliers 10, each mounting part 21 is placed in the corresponding mounting hole 15 until the head 22 is blocked on the side of the pliers wall 14 provided, and the Each magnetic member 30 is placed in the corresponding groove 23 until one end abuts against the class 25 (as shown in FIG. 10), and then the two ends of each seat body 20 are pressed inwards with an axial pressure (such as (Shown in FIG. 11) until the first ring groove 213 is squeezed and deformed to form a stopper 211 to block on the other side of the provided jaw wall 14 to assemble and position each seat body 20 on the provided jaw wall 14 and squeezed and deformed at the second ring groove 214 to form a limiting portion 212 to block at the other end of the provided magnetic attraction member 30 to assemble and position each magnetic attraction member 30 in the provided receptacle 23 .

Therefore, when the cutter head 40 is to be mounted on the jaws 10 to carry out a clamping operation on an object, the operator only needs to hold the cutter head 40 and align the insertion portion 41 with the insertion hole 24 and insert it until the insertion portion One end of 41 contacts magnetic attraction member 30 and is attracted by magnetic force for positioning, and as long as the magnetic force of magnetic attraction member 30 does not eliminate the leg, insertion portion 41 is always attracted by magnetic attraction member 30 and will not be detached from seat body 20. If the cutter head 40 is to be replaced from the seat body 20, the magnetic force of the insertion part 41 by the magnetic suction member 30 can be detached by the force of the hand. At this time, the operator only needs to hold the cutter head 40 and apply When the insertion portion 41 is pulled out by force, the magnetic force of the magnetic attraction member 30 can be disengaged from the seat body 20, and the operator can insert the insertion portion 41 of the other cutter head 40 into the insertion hole 24 to complete the assembly.

In addition, if there is a spare cutter head 40 to be carried with the jaws 10, it is only necessary to change the insertion portion 41 of the cutter head 40 from the insertion section 231, and also let one end be attracted by the magnetic suction member 30, The spare cutter head 40 is also magnetically positioned on the seat body 20, so that it can be carried along with the jaws 10.

From the above description, it is not difficult to find that the characteristics of this creation are:

1. If the cutter head 40 is to be assembled into the clamp structure 100 of this creation, the operator only needs to align the insertion portion 41 of the cutter head 40 with the insertion hole 24 and insert it into the seat body 20, one end of the insertion portion 41 is at When it is in contact with the magnetic member 30, it can be attracted and positioned by the magnetic force, and the operator can operate the grip 12 of the two jaws 11, so that the cutter heads 40 positioned by the two seats 20 are relatively close to perform the clamping operation of the object And, if the cutter head 40 is to be replaced, as long as the pulling force is applied to the cutter head 40, since the insertion portion 41 and the magnetic member 30 are magnetically attracted, it is not difficult to remove the insertion portion 41 from the socket Pull out in 24, so that the effect of quick insertion and removal to replace the cutter head 40 can be achieved.

2. If the pliers 10 need to carry a spare cutter head 40, since the installation part 21 has an insertion section 231 in the receiving groove 23 and the insertion hole 24 are located at different ends, except the cutter head 40 can be inserted The connecting portion 41 is inserted into the insertion hole 24 and is magnetically attracted and positioned by the magnetic member 30 to perform the clamping operation of the object. The spare cutter head 40 can also be inserted into the insertion section 231 with the insertion portion 41, and the same The magnetic member 30 is positioned by the magnetic force. Compared with the conventional clamp, the clamp of this creation does not need to be processed, but can only be provided by the insertion section 231 through the base 20. The spare cutter head 40 is installed so that the spare cutter head 40 can be carried along with the clamp, and the convenience of using the clamp is achieved.

As shown in FIG. 12, it is another embodiment of the clamp structure for quick replacement of the cutting head, which is similar to the first embodiment and includes the clamp 10, the seat body 20 and the magnetic member 30, and the first embodiment The main difference in the example is that the provided cutter head 60 is a punching clip set, for example, used for punching a belt. The cutter head 60 also has the insertion portion 41 as the aforementioned cutter head 40, and can be attracted by the magnetic member 30 Magnetically attracted and positioned on the base 20 to achieve the same effect as the first embodiment.

The above-mentioned embodiments are only used to illustrate this creation, not to limit the scope of this creation. Any modifications or changes that do not violate the spirit of the original creation are within the scope of the original intention of the protection.

[Prior technical section] 1‧‧‧Clamp body 2‧‧‧grip 3‧‧‧Working Department 4‧‧‧clamp wall 5‧‧‧ cutter head 6A‧‧‧Thread 7A‧‧‧Screw hole 6B‧‧‧Cone column 7B‧‧‧Positioning Department 6C‧‧‧Bump 7C‧‧‧Positioning Department 8C‧‧‧Rubber ring 6D‧‧‧Card post 7D‧‧‧Loop 6E‧‧‧Clamp column 7E‧‧‧Clamp [Part of the case] 100‧‧‧clamp structure 10‧‧‧pliers 11‧‧‧Clamp body 12‧‧‧grip 13‧‧‧Working Department 14‧‧‧clamp wall 15‧‧‧ mounting hole 16‧‧‧Shaft hole 17‧‧‧Shaft 18‧‧‧ piece 181‧‧‧Perforation 19‧‧‧torsion spring 191‧‧‧ Circle 192‧‧‧arm 20‧‧‧Body 21‧‧‧ Installation Department 211‧‧‧block 212‧‧‧Limiting Department 213‧‧‧ First Ring Ditch 214‧‧‧Second Ring Ditch 22‧‧‧Head 23‧‧‧Capacity 231‧‧‧Insert section 24‧‧‧jack 25‧‧‧ class 30‧‧‧Magnetic parts 40‧‧‧ cutter head 41‧‧‧Dock 50‧‧‧Fixture 60‧‧‧head

FIG. 1 is a schematic diagram of a planar structure in which a clamp structure is conventionally used and a cutter head is combined with a screw lock. FIG. 2 is a schematic diagram of a planar structure in which another clamp structure is used to clamp a cutter head with a cone column. FIG. 3 is a schematic diagram of a planar structure in which another clamp structure is used to fix a convex column to a rubber ring. FIG. 4 is a schematic diagram of a planar structure in which another clamping structure is used, and a clamping column is clamped in a ring sleeve. FIG. 5 is a schematic diagram of a planar structure in which another clamping structure is used to position a clamping column with a clamping member. FIG. 6 is a perspective external view of the clamp structure of the first embodiment of the present invention when a cutter head is installed, and the cutter head in the figure is a nail clip set. 7 is a partial cross-sectional view of FIG. 6 taken along the line 7-7. FIG. 8 is a schematic view of the clamp structure of the first embodiment of the present invention in which the inserts and insertion holes of each seat are equipped with cutter heads. 9 is a schematic view of the structure of the first embodiment of the first embodiment of the seat body with the first and second ring grooves in the mounting portion before forming the stop portion and the limit portion, the figure also shows that the magnetic member is fixed before the groove Separate configuration. FIG. 10 is a schematic diagram of the seat body of the first embodiment of FIG. 9 with the mounting portion placed in the mounting hole until the head is blocked by the jaw wall, and the magnetic attraction member has been placed in the receiving slot in the figure. FIG. 11 is a schematic diagram showing that both ends of the seat body of FIG. 10 after positioning of the forceps wall are prepared to press inwardly to form a stopper and a limiter. FIG. 12 is a perspective external view of the clamp structure of the second embodiment of the present invention when a cutter head is installed, and the cutter head in the figure is a punching clamp set.

13‧‧‧Working Department

14‧‧‧clamp wall

15‧‧‧ mounting hole

20‧‧‧Body

21‧‧‧ Installation Department

211‧‧‧block

212‧‧‧Limiting Department

22‧‧‧Head

23‧‧‧Capacity

231‧‧‧Insert section

24‧‧‧jack

25‧‧‧ class

30‧‧‧Magnetic parts

Claims (9)

Clamp structure for quick replacement of cutter head, including: A clamp is composed of two clamp bodies pivotally connected, each of the clamp bodies has a grip portion, and a working portion at an end different from the grip portion, the two working portions have two face-to-face clamp walls, with The two mounting holes are respectively disposed on the two pliers walls, and the grips of the two pliers bodies can be held and driven to drive the two pliers walls relatively close or away; The two seats respectively have an installation portion and a head portion, the head portion extends radially at one end of the installation portion, each of the installation portions has a receiving groove, and each of the installation portions is placed in one of the aforementioned installation holes , And the head and a stopper located on the outer periphery of the mounting portion are blocked and positioned on both sides of the pliers wall, and each socket of the seat body is axially provided with an insertion hole to communicate with the container A groove, the two heads are arranged facing each other on the walls of the two pliers; and The two magnetic components are respectively fixed in the aforesaid receptacles, and the cutter head has a plug-in portion that can be magnetically attracted, and the plug-in portion can be inserted into each of the insertion holes to contact the magnetic component to be magnetically Suction positioning, and can be pulled out with force to quickly replace. The clamp structure of the quick-change cutter head according to claim 1, wherein each of the seat bodies has a class in the installation portion, the class is formed by the insertion hole being smaller than the receiving groove, and each of the magnetic attraction members is located at One end of the accommodating groove is abutted against the stage, and the other end is blocked by a limiting portion protruding in the accommodating groove, so as to position each magnetic attraction member in each of the accommodating grooves. The clamp structure for rapid replacement of a cutter head according to claim 2, wherein each mounting portion of the seat body is provided with a first ring groove and a second ring groove around the ring, the first ring groove and the first ring groove The length of the second ring groove in the axial direction is greater than the depth in the radial direction, and each of the seat bodies presses both ends inward to the first ring groove to squeeze and deform to form the stop, and the second The annular groove is pressed and deformed to form the limiting portion. The clamp structure of the quick-changeable cutter head according to any one of claims 1 to 2, wherein each of the receiving slots penetrates the installation portion where the receiving slots are formed, and each of the receiving slots is longer than the provided magnetic suction member to form a plug The setting section, the insertion section and the insertion hole of each seat body are located at both ends of the provided magnetic suction member, and the insertion section is provided for inserting the cutter head with the insertion portion to the provided magnetic attraction The pieces are positioned by magnetic attraction. The clamp structure of the quick-changeable cutter head according to any one of claims 1 to 2, wherein each of the magnetic attracting members is a permanent magnet, and the insertion portion of the cutter head is an iron material that can be magnetically attracted. The clamp structure of the quick-change cutter head according to any one of claims 1 to 2, wherein the two clamp bodies respectively have a shaft hole, and each of the shaft holes is adjacent to the working part of the clamp body where the two shaft holes are located The positions of the two pliers bodies are symmetrically arranged, and each shaft hole is penetrated by a shaft member. The two shaft members are pivotally connected to the two pliers bodies by a connecting member at two ends on the same side of the pliers. The clamp structure of the quick-change cutter head according to claim 6, wherein the connecting piece is a piece, the piece is elongated and has two perforations adjacent to both ends, the two shaft pieces are located at the same position as the clamp The two ends of the side respectively pass through the two perforations to pivotally connect with the sheet. The clamp structure of the quick-change cutter head according to claim 6, further includes a reset elastic member, the reset elastic member is disposed between the two clamp bodies, so that the grip portions of the two clamp bodies are held and driven When the force disappears, the reset elastic member drives the grips of the two jaws to open, so that the two working parts are relatively away. The clamp structure of the quick-change cutter head according to claim 8, wherein the return elastic member is a torsion spring, including a loop portion and elastic arms extending from both ends of the loop portion, the loop portion is looped in a ring In the aforementioned shaft member, the two spring arms respectively abut against the inner sides of the two grips.

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