Electric keel clamp
阅读说明：本技术 电动龙骨钳 (Electric keel clamp ) 是由 郭波 田志超 林秀峰 刘钢 于 2020-07-29 设计创作，主要内容包括：本发明公开了一种电动龙骨钳,包括：手柄,其内设置有充电电池；钳体,其内设置有驱动机构；驱动机构包括第一连杆、第二连杆、冲头杆,以及和充电电池连接的驱动电机；C形钳头,其一端连接于钳体头端,另一端设置有与冲头端适配的冲孔；C形钳头由U形杆、第一支撑杆和第二支撑杆组成；第一支撑杆垂直于钳体的头端设置,且侧壁上相应位置设有用于冲头杆穿过的开孔；第二支撑杆与第一支撑杆平行布置,且冲孔设于第二支撑杆上与开孔相对的一面上；U形杆以开口端朝向下方的方式两端分别与第一支撑杆和第二支撑杆的端部活动连接。其实现龙骨钳的单手操作,且采用电力进行驱动,使得使用更加省力,高效,同时冲头行程固定,使得施工质量得到了保证。(The invention discloses an electric keel clamp, which comprises: a handle in which a rechargeable battery is disposed; the clamp body is internally provided with a driving mechanism; the driving mechanism comprises a first connecting rod, a second connecting rod, a punch rod and a driving motor connected with the rechargeable battery; one end of the C-shaped tong head is connected with the head end of the tong body, and the other end of the C-shaped tong head is provided with a punching hole matched with the punching head end; the C-shaped forceps head consists of a U-shaped rod, a first supporting rod and a second supporting rod; the first supporting rod is perpendicular to the head end of the clamp body, and an opening for the punch rod to penetrate through is formed in the corresponding position on the side wall; the second support rod and the first support rod are arranged in parallel, and the punched hole is formed in one surface, opposite to the opening, of the second support rod; the two ends of the U-shaped rod are respectively movably connected with the end parts of the first supporting rod and the second supporting rod in a mode that the opening end faces downwards. It realizes the one-hand operation of fossil fragments pincers, and adopts electric power to drive for use more laborsavingly, the high efficiency, the drift stroke is fixed simultaneously, makes construction quality obtain the assurance.)
1. An electric rongeur, comprising:
a handle in which a rechargeable battery is disposed;
the clamp body is internally provided with a driving mechanism; the driving mechanism comprises a first connecting rod, a second connecting rod, a punch rod and a driving motor connected with the rechargeable battery; an output shaft of the driving motor is fixedly connected with one end of the first connecting rod, and the other end of the first connecting rod is hinged with the first end of the second connecting rod in a manner of rotating relative to the second connecting rod; the second end of the second connecting rod is hinged with the tail end of the punch rod in a mode of swinging relative to the tail end of the punch rod; the punch end of the punch rod extends forwards along the axial direction of the pliers body and penetrates through the pliers body in a sliding mode along the inner wall of the through hole formed in the front end of the pliers body;
one end of the C-shaped tong head is connected with the head end of the tong body, and the other end of the C-shaped tong head is provided with a punched hole matched with the punching head end; the C-shaped forceps head consists of a U-shaped rod, a first supporting rod and a second supporting rod; the first supporting rod is perpendicular to the head end of the clamp body, and an opening for the punch rod to penetrate through is formed in the corresponding position on the side wall; the second support rod and the first support rod are arranged in parallel, and the punched hole is formed in one surface, opposite to the opening, of the second support rod; the two ends of the U-shaped rod are respectively movably connected with the end parts of the first supporting rod and the second supporting rod in a mode that the open end faces downwards;
wherein, the swing joint mode of U-shaped pole and first bracing piece and second bracing piece specifically is:
nuts which can rotate along the side wall of the U-shaped rod are sleeved at two ends of the U-shaped rod respectively; the side walls of the first supporting rod and the second supporting rod, which are close to the connecting end with the U-shaped rod, are provided with external threads; the U-shaped rod is connected with the first supporting rod and the second supporting rod respectively through the screwing of the nut and the external thread; and an electromagnet connected with the rechargeable battery is arranged in the nut, and the electromagnet is respectively attracted with the first supporting rod and the second supporting rod by magnetic force after being electrified.
2. The electric rongeur of claim 1, wherein a control switch connected to the rechargeable battery is provided on an exterior of the handle.
3. The electric rongeur of claim 1, wherein the rechargeable battery is a lithium battery; the bottom end of the handle is provided with a charging interface communicated to the lithium battery.
4. The electric rongeur as claimed in claim 1, wherein a limiting block is arranged inside the rongeur body, the limiting block is fixed on the inner wall of the rongeur body, and a limiting hole is formed in the limiting block along the axial direction of the rongeur body; the punch rod penetrates through the limiting hole to limit the punch rod to move along the axial direction of the pliers body.
5. The electric keel clamp according to claim 1, wherein the side wall of the U-shaped rod facing the punching hole is provided with a blind hole; a telescopic rod is arranged in the blind hole, an elastic air bag is sleeved outside the telescopic rod, and two ends of the air bag are respectively connected with the top end and the bottom end of the telescopic rod in a sealing manner; a micro air pump is arranged in the forceps body and is connected with the air path of the air bag so as to adjust the length of the telescopic rod by controlling the expansion of the air bag; the top end of the telescopic rod is connected with the clamping rod; the top end of the clamping rod is provided with a notch, a plurality of balls partially embedded into the notch are arranged in the notch, and the balls are movably connected with the clamping rod in a manner of rotating in the notch.
6. The electric rongeur of claim 5, further comprising:
the control mechanism comprises a main controller arranged in the forceps body and an input display module arranged outside the forceps body; the main controller is respectively connected with the input display module, the driving motor, the electromagnet, the miniature air pump and the ball; the input display module is used for inputting parameters of the keel to be processed and displaying the keel clamp setting parameters; the main controller is used for analyzing the parameters of the keel to be processed acquired by the input display module to obtain the keel clamp setting parameters and controlling the actions of the driving motor, the electromagnet, the miniature air pump and the ball according to the keel clamp setting parameters.
7. The electric rongeur of claim 6, wherein the parameters of the keel to be machined include: the wall thickness of the keel, the height between the processing position and the surface of the keel and the distance between the adjacent processing positions; the keel clamp setting parameters comprise: the air pump comprises a driving motor rotating speed, a driving motor working frequency, the power-on and power-off of an electromagnet, the air charging and discharging time of a micro air pump, the air charging and discharging amount of the micro air pump, the rotating period of a ball, the rotating speed of the ball and the height of the ball protruding out of the surface of the opening.
8. The electric rongeur of claim 1, wherein an alternating current power adapter is arranged in the handle, and a power interface connected with the alternating current power adapter is arranged at the bottom end of the handle.
9. The electric rongeur of claim 1, wherein threads are formed on a side wall of the punch rod, and the punch ends of various specifications are screwed with the punch rod through the threads; the punch end at least comprises: the punching head is used for punching and the punching head is used for connecting keels; the punched hole is a hollow cylinder protruding out of the surface of the second support rod, an adjusting block is arranged in one end, connected with the second support rod, in the punched hole, and the adjusting block slides along the inside of the punched hole under the control of a rotating rod arranged on the outer side of the second support rod and connected with the adjusting block;
the punching end of the punching head is of a hollow tubular structure, the shape of an internal cavity of the punching head is matched with that of the pre-punched hole; a cutting edge is arranged on the end surface of the punching end;
the punching end of the punching head is circular in cross section, the top end of the punching head is a pointed circular cutter head, and an auxiliary blade with a cutting edge parallel to the outer wall of the punching head is arranged on the outer wall of the punching head.
10. The electric rongeur of claim 9, wherein a plurality of protruding ribs are arranged on the outer wall of the punched hole in the length direction of the punched hole, a capacity expansion plate is detachably sleeved on the outer portion of the punched hole, a containing groove matched with the protruding ribs is formed in the inner wall of the capacity expansion plate, the capacity expansion plate is connected to the outer portion of the punched hole through nesting of the protruding ribs and the containing groove, and the capacity expansion plate, the edge of the punched hole and the adjusting block form a plane parallel to the surface of the second supporting rod.
Technical Field
The invention relates to the technical field of tools, in particular to an electric keel clamp.
Background
At present, the fixed used fossil fragments pincers of house ornamentation light gauge steel are mostly pure hand tool, and this kind of manual light gauge steel fossil fragments pincers need both hands make power just can reach the work purpose simultaneously when using, when having caused the fixed fossil fragments of master worker's time unable with the hand rightting fossil fragments position, with the fixed fossil fragments of fossil fragments pincers, so need two people to assist just can go on when erectting the fossil fragments.
Meanwhile, because the force of constructors is different when the manual keel clamp is used, the stress direction is unstable, and the stress of a clamping opening of the keel clamp and the form of a clamping opening are influenced, the light steel keel is unstable in fixation, accidents are easily caused, and dangers are caused.
In addition, the manual keel clamp tool is adopted, so that time and labor are wasted during use, and the defects of long construction period, low construction quality and nonuniform construction standards are caused.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide the electric keel clamp, which realizes the one-hand operation of the keel clamp, adopts electric power for driving, and has the advantages of more labor-saving and high-efficiency use, and meanwhile, the stroke of the punch is fixed, so that the construction quality is ensured.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an electric keel clamp comprising:
a handle in which a rechargeable battery is disposed;
the clamp body is internally provided with a driving mechanism; the driving mechanism comprises a first connecting rod, a second connecting rod, a punch rod and a driving motor connected with the rechargeable battery; an output shaft of the driving motor is fixedly connected with one end of the first connecting rod, and the other end of the first connecting rod is hinged with the first end of the second connecting rod in a manner of rotating relative to the second connecting rod; the second end of the second connecting rod is hinged with the tail end of the punch rod in a mode of swinging relative to the tail end of the punch rod; the punch end of the punch rod extends forwards along the axial direction of the pliers body and penetrates through the pliers body in a sliding mode along the inner wall of the through hole formed in the front end of the pliers body;
one end of the C-shaped tong head is connected with the head end of the tong body, and the other end of the C-shaped tong head is provided with a punched hole matched with the punching head end; the C-shaped forceps head consists of a U-shaped rod, a first supporting rod and a second supporting rod; the first supporting rod is perpendicular to the head end of the clamp body, and an opening for the punch rod to penetrate through is formed in the corresponding position on the side wall; the second support rod and the first support rod are arranged in parallel, and the punched hole is formed in one surface, opposite to the opening, of the second support rod; the two ends of the U-shaped rod are respectively movably connected with the end parts of the first supporting rod and the second supporting rod in a mode that the open end faces downwards;
wherein, the swing joint mode of U-shaped pole and first bracing piece and second bracing piece specifically is:
nuts which can rotate along the side wall of the U-shaped rod are sleeved at two ends of the U-shaped rod respectively; the side walls of the first supporting rod and the second supporting rod, which are close to the connecting end with the U-shaped rod, are provided with external threads; the U-shaped rod is connected with the first supporting rod and the second supporting rod respectively through the screwing of the nut and the external thread; and an electromagnet connected with the rechargeable battery is arranged in the nut, and the electromagnet is respectively attracted with the first supporting rod and the second supporting rod by magnetic force after being electrified.
Preferably, in the electric rongeur, a control switch connected with the rechargeable battery is arranged outside the handle.
Preferably, in the electric keel clamp, the rechargeable battery is a lithium battery; the bottom end of the handle is provided with a charging interface communicated to the lithium battery.
Preferably, in the electric keel clamp, a limiting block is arranged inside the clamp body, the limiting block is fixed on the inner wall of the clamp body, and a limiting hole is formed in the limiting block along the axial direction of the clamp body; the punch rod penetrates through the limiting hole to limit the punch rod to move along the axial direction of the pliers body.
Preferably, in the electric keel clamp, a blind hole is formed in the side wall of the U-shaped rod facing the punching direction; a telescopic rod is arranged in the blind hole, an elastic air bag is sleeved outside the telescopic rod, and two ends of the air bag are respectively connected with the top end and the bottom end of the telescopic rod in a sealing manner; a micro air pump is arranged in the forceps body and is connected with the air path of the air bag so as to adjust the length of the telescopic rod by controlling the expansion of the air bag; the top end of the telescopic rod is connected with the clamping rod; the top end of the clamping rod is provided with a notch, a plurality of balls partially embedded into the notch are arranged in the notch, and the balls are movably connected with the clamping rod in a manner of rotating in the notch.
Preferably, the electric keel clamp further comprises:
the control mechanism comprises a main controller arranged in the forceps body and an input display module arranged outside the forceps body; the main controller is respectively connected with the input display module, the driving motor, the electromagnet, the miniature air pump and the ball; the input display module is used for inputting parameters of the keel to be processed and displaying the keel clamp setting parameters; the main controller is used for analyzing the parameters of the keel to be processed acquired by the input display module to obtain the keel clamp setting parameters and controlling the actions of the driving motor, the electromagnet, the miniature air pump and the ball according to the keel clamp setting parameters.
Preferably, in the electric keel clamp, the parameters of the keel to be processed include: the wall thickness of the keel, the height between the processing position and the surface of the keel and the distance between the adjacent processing positions; the keel clamp setting parameters comprise: the air pump comprises a driving motor rotating speed, a driving motor working frequency, the power-on and power-off of an electromagnet, the air charging and discharging time of a micro air pump, the air charging and discharging amount of the micro air pump, the rotating period of a ball, the rotating speed of the ball and the height of the ball protruding out of the surface of the opening.
Preferably, in the electric rongeur, an alternating current power adapter is arranged in the handle, and a power interface connected with the alternating current power adapter is arranged at the bottom end of the handle.
Preferably, in the electric rongeur, the side wall of the punch rod is provided with threads, and the punch ends of various specifications are screwed with the punch rod through the threads; the punch end at least comprises: the punching head is used for punching and the punching head is used for connecting keels; the punched hole is a hollow cylinder protruding out of the surface of the second support rod, an adjusting block is arranged in one end, connected with the second support rod, in the punched hole, and the adjusting block slides along the inside of the punched hole under the control of a rotating rod arranged on the outer side of the second support rod and connected with the adjusting block;
the punching end of the punching head is of a hollow tubular structure, the shape of an internal cavity of the punching head is matched with that of the pre-punched hole; a cutting edge is arranged on the end surface of the punching end;
the punching end of the punching head is circular in cross section, the top end of the punching head is a pointed circular cutter head, and an auxiliary blade with a cutting edge parallel to the outer wall of the punching head is arranged on the outer wall of the punching head.
Preferably, in the electric keel clamp, the outer wall of the punched hole is provided with a plurality of protruding edges arranged along the length direction of the punched hole, the detachable sleeve outside the punched hole is provided with a capacity expansion plate, the inner wall of the capacity expansion plate is provided with a containing groove matched with the protruding edges, and the capacity expansion plate is connected outside the punched hole through the nesting of the protruding edges and the containing groove and forms a plane parallel to the surface of the second support rod together with the edge of the punched hole and the adjusting block.
The invention at least comprises the following beneficial effects:
according to the electric keel clamp, the traditional keel clamp which can be operated by two hands is replaced by electric control through the matching of the connecting rod and the rechargeable battery, the two hands are liberated, the electric keel clamp can be operated by one hand, and the operation is more labor-saving and convenient.
The motion of the punch rod is controlled through the driving motor, so that when the rongeur is used for construction, the telescopic stroke of the punch rod is fixed, the bayonet force is the same during each construction, the bayonet forms are the same, and the structure is stable.
The keel clamp is subjected to ionization supply through the rechargeable battery, so that the keel clamp is convenient to carry and is not limited by a power source.
Compared with manual keel clamps, the keel clamp driven by the driving motor has larger power output torque, can punch through light steel keels with various thicknesses, and is more time-saving and labor-saving.
Through setting up C shape binding clip into the combination binding clip that comprises first bracing piece, second bracing piece and U-shaped pole for the degree of depth that the light steel fossil fragments were gone into in C shape binding clip can carry out nimble regulation according to the specification difference of fossil fragments, and then makes electronic fossil fragments pincers's application scope is wider.
Through setting up first bracing piece, second bracing piece and U-shaped pole and being connected through the nut, realized bracing piece and the convenient regulation of the size of the C shape binding clip that the U-shaped pole connection formed, simultaneously through threaded connection and the magnetic control of electro-magnet for C shape binding clip structure after the adjustment is firm, and then guarantees the quality that light gauge steel adds man-hour.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a structural diagram of an electric keel clamp according to the invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a structural diagram of the flash plate according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 and 2, the present invention provides an electric keel clamp, comprising: a handle 1 in which a
a
one end of the C-shaped tong head is connected with the head end of the
the movable connection mode of the U-shaped
In the scheme, the use method of the electric keel clamp comprises the following steps: the user adjusts the degree of depth to the bottom surface of opening to the adaptation of C shape binding clip according to the specification of waiting to process the light gauge steel, then for the electro-magnet circular telegram through rechargeable battery, make the nut adsorb mutually respectively with first bracing piece and second bracing piece, the structural stability of adjustment back C shape binding clip has been improved, supply power for driving motor through rechargeable battery at last, make driving motor drive first connecting rod rotatory, the rotatory pulling second connecting rod swing of first connecting rod, and then make the drift pole seesaw of being connected with the second connecting rod, realized promptly the work of electronic keel clamp.
In addition, the punching head end of the keel clamp is made of high-strength alloy materials, and the shape of the punching head end can be flexibly set according to the material and the installation requirements of the light steel keel, so that the working requirements are met.
Through the cooperation of connecting rod and rechargeable battery, realized replacing the fossil fragments pincers that the tradition need both hands to operate with the electric control, liberated both hands, make electronic fossil fragments pincers can accomplish the operation by the one hand, operate laborsaving and convenience more.
The motion of the punch rod is controlled through the driving motor, so that when the rongeur is used for construction, the telescopic stroke of the punch rod is fixed, the bayonet force is the same during each construction, the bayonet forms are the same, and the structure is stable.
The keel clamp is subjected to ionization supply through the rechargeable battery, so that the keel clamp is convenient to carry and is not limited by a power source.
Compared with manual keel clamps, the keel clamp driven by the driving motor has larger power output torque, can punch through light steel keels with various thicknesses, and is more time-saving and labor-saving.
Through setting up C shape binding clip into the combination binding clip that comprises first bracing piece, second bracing piece and U-shaped pole for the degree of depth that the light steel fossil fragments were gone into in C shape binding clip can carry out nimble regulation according to the specification difference of fossil fragments, and then makes electronic fossil fragments pincers's application scope is wider.
Through setting up first bracing piece, second bracing piece and U-shaped pole and being connected through the nut, realized bracing piece and the convenient regulation of the size of the C shape binding clip that the U-shaped pole connection formed, simultaneously through threaded connection and the magnetic control of electro-magnet for C shape binding clip structure after the adjustment is firm, and then guarantees the quality that light gauge steel adds man-hour.
In a preferred scheme, a
In the above scheme, a user holds the handle of the keel clamp by hand, and presses the control switch simultaneously, and the control switch controls the driving motor to start, so that the first connecting rod and the second connecting rod drive the punch rod to reciprocate between the clamp body and the punched hole, and the use is convenient and labor-saving.
In a preferred embodiment, the
In the scheme, the lithium battery has the advantages of long service life, quick charging, high temperature resistance, large capacity, environmental protection, no toxicity and the like, so that when the lithium battery is applied to the rongeur, the service life can be prolonged, and the rongeur has the advantages of light weight, small size and the like; through the setting of charging socket, make convenient right the rongeur charges.
In a preferable scheme, a limiting
In the scheme, the movement direction of the punch rod is limited by the limiting block in the pliers body, so that the accuracy of the electric keel pliers in use is ensured, and the keel processing quality is improved.
In a preferable scheme, a blind hole 17 is formed in the side wall of the U-shaped
In the above scheme, through the setting of telescopic link, gasbag and screens pole in the blind hole on the U-shaped pole, make electronic fossil fragments pincers when using, the fossil fragments holding back in C shape binding clip, through the size of adjustment gasbag, the length adjustment back of telescopic link can make the marginal holding of one end of fossil fragments in the opening for the user adds man-hour along the fossil fragments direction, guarantees that the processing point lies in same straight line along fossil fragments, has both guaranteed construction quality, has guaranteed the aesthetic property of processing again.
Simultaneously, when changing the punch head end of punch head pole and making the head of punching a hole, this fossil fragments pincers can also be applied to the operation of punching to steel sheet, fossil fragments etc. this moment through the setting of opening, can effectively avoid among the prior art need mark before punching on steel sheet etc. behind the hole site of punching, carry out the trouble of punching according to the position of punching again for the fossil fragments pincers can strictly follow steel sheet, fossil fragments edge and remove, and then guarantee that the hole of punching all is located same straight line, made things convenient for greatly the application in the field of punching of fossil fragments pincers.
In a preferred embodiment, the method further comprises:
a control mechanism which comprises a main controller arranged in the
In the above scheme, through the setting of master controller and input display module, make the user can wait to process the input of the parameter of fossil fragments on input display module, and then make the master controller can obtain the fossil fragments pincers setting parameter that is applicable to this fossil fragments according to the parametric analysis that obtains, the user sets up the parameter according to the fossil fragments pincers that show on input display module, can adjust the position of nut, and then adjust C shape binding clip, then the master controller can also be according to the fossil fragments pincers setting parameter automatic adjustment fossil fragments pincers's that the analysis obtained each item parameter, so that the use of fossil fragments pincers.
In a preferred embodiment, the parameters of the keel to be processed include: the wall thickness of the keel, the height between the processing position and the surface of the keel and the distance between the adjacent processing positions; the keel clamp setting parameters comprise: the rotation speed of the driving motor 7, the working frequency of the driving motor 7, the power on and off of the electromagnet, the air charging and discharging time of the
In the scheme, the main controller can control the height of the ball in the opening protruding out of the surface of the opening through the wall thickness of the keel, so that the opening can be suitable for accommodating the edge of the keel, the keel pliers can conveniently move along the edge of the keel, and the probability of the keel falling out of the opening is reduced; through the height between the processing position and the surface of the keel, the main controller can control the inflation quantity of the miniature air pump, so that the length of the telescopic rod is adjusted, and the edge of the keel can be embedded into the opening; through the distance between adjacent processing position, the master controller can control driving motor's rotational speed, operating frequency, the rotation cycle of ball to and the rotational speed of ball, for example: the keel clamp is characterized in that the keel clamp is provided with a first processing position, a first punch rod is arranged on the keel, a second punch rod is arranged on the second punch rod, and the first punch rod is connected with the second punch rod through a first connecting rod.
Meanwhile, the main controller is also suitable for the situation when the keel clamp is used as a hole puncher for controlling each element of the keel clamp.
In a preferable scheme, an alternating current power adapter is arranged in the handle 1, and a
In the scheme, the arrangement of the alternating-current power adapter and the power interface enables the keel clamp to be directly connected with a household 220V alternating-current power supply to work.
In addition, when electronic fossil fragments pincers use as the hole puncher, can also be in the internal identification module and the image forming module who is connected with the master controller that set up of pincers, the appearance of treating the work piece that punches through identification module is discerned, then send to the image forming module, form the plane figure of this work piece of waiting to punch, the master controller can be according to the concrete information of this plane figure and the requirement analysis each position of punching of user input's punching, then the length of the miniature air pump of control adjusts the telescopic link in real time according to the difference of each position of punching to and the rotation cycle and the rotational speed of ball, and then make the automatic operation of the operation of punching, this setting is very suitable for the punching of the work piece of waiting to punch of non-regular.
In a preferable scheme, the side wall of the
the punching end of the punching head is of a hollow tubular structure, the shape of an internal cavity of the punching head is matched with that of the pre-punched hole; a cutting edge is arranged on the end surface of the punching end;
the punching end of the punching head 33 is circular in cross section, the top end of the punching head is a pointed circular cutter head, and the outer wall of the punching head 33 is provided with an
In the scheme, the punching head rod and the punching head ends with various specifications are arranged for screw connection, so that different punching head ends of the keel clamp can be replaced according to different requirements to meet the expansion of functions, the punching head ends are divided into the punching head for punching and the punching head for connecting the keels in the application, so that the functions of punching and connecting the keels are realized at intervals, meanwhile, the punching head can be further arranged in various types according to the punching shapes, so that holes with different shapes can be punched by adopting the keel clamp, the adjusting block in the punching hole is arranged, when the keel clamp is applied to punching, the adjusting block can be controlled by the rotary rod to move forwards to be flush with the punching surface, further, the punching head can be powerfully supported when punching, so that the holes can be punched smoothly, when the keel clamp is used for connecting the keels, the position of the adjusting block in the punching hole is adjusted, the length of the punching head penetrating through the keel is limited, so that the punching head can be conveniently applied to keels with different thicknesses; in addition, the auxiliary blade arranged on the outer wall of the punching head can enable the opening at the position where the keel is punched to be uniform and neat, so that the stress uniformity and the stability of connection between the keels are facilitated, and meanwhile, the punching head is more labor-saving in punching the keels, and the utilization of energy is reduced.
As shown in fig. 3, in a preferred embodiment, the outer wall of the punched
In the above scheme, through the setting of dilatation board for the keel clamp also can have firm the making when being applied to the diameter and being greater than the hole that punches a hole and punching, and then further made things convenient for the application of keel clamp in the operation of punching.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
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