Disclosure of Invention
The utility model aims to solve the technical problem that an automatic center dashes device can strike the material surface automatically in order to need not extra instrument and strike, and portable, and the practicality is strong, improves user experience.
In order to solve the technical problem, the utility model discloses a as follows technical scheme: an automatic center punching device comprises a center punch mechanism and an electric control mechanism, wherein the center punch mechanism comprises a shell, a punch assembly and an inertia hammer, the punch assembly and the inertia hammer are sequentially arranged in the shell from front to back, the punch assembly is positioned at the front end of the shell, and the inertia hammer is positioned in the middle of the shell and is abutted against the punch assembly; the electric control mechanism is arranged at the rear end of the central punch mechanism and comprises a shell, an embedding part embedded into the rear end of the shell is formed at the front end of the shell, an electromagnet is connected to the front side of the embedding part, and the electromagnet is a set distance away from the inertia hammer so that the inertia hammer can move to knock the punch assembly; the battery protection device is characterized in that a first circuit board, a battery and a second circuit board are arranged in the shell from front to back in sequence, the first circuit board is located at the front end of the shell, the second circuit board is located at the rear end of the shell, the first circuit board and the second circuit board are respectively electrically connected with the battery, the second circuit board is electrically connected with a switch, the rear end of the shell is covered with a tail cover, a pressing cap is arranged on the tail cover at a position corresponding to the switch, and the pressing cap is abutted to the switch.
The further technical scheme is as follows: the punch assembly comprises a punch and a punch mounting rod, the punch mounting rod is arranged in the shell, the tail end of the punch mounting rod is exposed out of the front side of the shell, and the punch is embedded in the tail end of the punch mounting rod so that the punch tip of the punch is exposed out of the end face of the shell.
The further technical scheme is as follows: the center of the end face of the tail end of the punch mounting rod is recessed to form a containing groove for containing the punch, and the tail end of the punch is provided with a mounting part which is arranged in the containing groove.
The further technical scheme is as follows: the tail end of the punch mounting rod is in threaded connection with an adjusting nut, and the adjusting nut is arranged on the front side of the shell.
The further technical scheme is as follows: a tension spring is arranged between the punch component and the inertia hammer, one end of the tension spring is connected with the front end of the shell, and the other end of the tension spring is connected with the inertia hammer.
The further technical scheme is as follows: the front end face of the shell corresponds to the position of the punch assembly, a channel is formed, the tail end of the channel extends outwards to form a protrusion, and a clamping groove used for fixing one end of the tension spring is formed between the protrusion and the front end face of the shell in a combined mode.
The further technical scheme is as follows: a through groove for a connecting screw to penetrate through is formed in the center of the embedding part, the connecting screw penetrates through the through groove, the lower end part of a screw rod of the connecting screw is exposed out of the end face of the embedding part, a connecting groove for the screw rod to be embedded into is formed in the electromagnet corresponding to the connecting screw, and the connecting screw is electrically connected with the first circuit board.
The further technical scheme is as follows: the tail cover is provided with a connecting part which is arranged at the rear end of the shell, and the second circuit board is arranged on the connecting part to be arranged in the shell.
The further technical scheme is as follows: the battery is arranged in the shell in a state that the negative contact is in front of the positive contact and is behind the positive contact, the negative contact of the battery is electrically connected with the first circuit board, and the positive contact of the battery is electrically connected with the second circuit board.
The further technical scheme is as follows: and the positive and negative contacts of the battery are electrically connected with the second circuit board and the first circuit board through springs respectively.
The utility model has the advantages of: automatic center is towards device and is worked with control center drift mechanism through setting up electrical control mechanism, the electro-magnet has a distance of setting for apart from the inertia hammer, through pressing the work of pressing the cap with the control battery makes the electro-magnet circular telegram and adsorbs the inertia hammer to make the inertia hammer remove and separate with the drift subassembly, the control battery outage so that the electro-magnet loses the electricity and release the inertia hammer, thereby the inertia hammer strikes the drift subassembly in its the place ahead in order to strike the material surface, need not to strike and can strike the material surface automatically with the help of extra instrument, convenient operation is succinct, and portable, therefore, the clothes hanger is strong in practicability, and user experience is improved.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1 to 6, in the present embodiment, the automatic center punch device 10 is used for punching a material surface, and includes a center punch mechanism 110 and an electric control mechanism 120. The central punch mechanism 110 includes a housing 111, a punch assembly 112 and an inertia hammer 113, the punch assembly 112 and the inertia hammer 113 are sequentially disposed in the housing 111 from front to back, the punch assembly 112 is located at the front end of the housing 111, and the inertia hammer 113 is located in the middle of the housing 111 and abuts against the punch assembly 112. Preferably, the housing 111 has a hollow main body structure, the housing 111 has a cylindrical shape, and an end of the punch assembly 112 is exposed to a front end surface of the housing 111 to impact a material surface.
The electrical control mechanism 120 is disposed at the rear end of the central punch mechanism 110, and includes a housing 121, an insertion portion 1211 disposed at the rear end of the housing 111 is formed at the front end of the housing 121, an electromagnet 122 is connected to the front side of the insertion portion 1211, and the electromagnet 122 is spaced from the inertial weight 113 by a predetermined distance so that the inertial weight 113 can move to strike the punch assembly 112. A first circuit board 123, a battery 124 and a second circuit board 125 are sequentially arranged from front to back in the housing 121, the first circuit board 123 is located at the front end of the housing 121, the second circuit board 125 is located at the rear end of the housing 121, the first circuit board 123 and the second circuit board 125 are respectively electrically connected with the battery 124, the second circuit board 125 is electrically connected with a switch 126, the rear end of the housing 121 is covered with a tail cover 127, a pressing cap 128 is arranged on the tail cover 127 corresponding to the switch 126, the pressing cap 128 abuts against the switch 126, and the switch 126 is controlled by pressing the pressing cap 128 to selectively control the connection and disconnection of the second circuit board 125 and the battery 124, so as to control the power supply operation of the battery 124. The central punch mechanism 110 and the electric control mechanism 120 are assembled together in a sectional structure, so that the maintenance is convenient.
When the switch 126 on the second circuit board 125 is closed, a complete loop is formed among the second circuit board 125, the battery 124 and the first circuit board 123, and the battery 123 energizes the electromagnet 122 to make the electromagnet 122 have magnetism and attract the inertia hammer 113, so that the inertia hammer 113 is separated from the punch assembly 112 and moves towards the electromagnet 122 and contacts with the electromagnet 122; when the switch 126 on the second circuit board 125 is turned off, the second circuit board 125, the battery 124 and the first circuit board 123 are disconnected, the electromagnet 122 is de-energized and is not magnetized, so that the inertia hammer 113 is released, the inertia hammer 113 is separated from the electromagnet 122 and moves towards the punch assembly 112 due to gravity and inertia to knock the punch assembly 112, so that the punch assembly 112 moves towards the surface of the material to impact the surface of the material, the electric control mechanism 120 is utilized to control the central punch mechanism 110 to work, manual knocking is not needed by an additional tool, the operation is simple and convenient, the user experience is high, the safety is high, and the requirement on the use force of a user is low.
A through groove 1213 for a connection screw 1212 to pass through is formed in the center of the insertion portion 1211, the connection screw 1212 is inserted into the through groove 1213, and the lower end of the screw rod is exposed to the end surface of the insertion portion 1211, a connection groove 1221 for inserting the screw rod is formed in the electromagnet 122 corresponding to the connection screw 1212, an internal thread matching with the external thread of the screw rod is formed on the inner wall of the connection groove 1221, so that the electromagnet 122 is screwed with the connection screw 1212, and the connection screw 1212 is electrically connected to the first circuit board 123. Preferably, the insertion portion 1211 is made of metal, and the insertion portion 1211 and the electromagnet 122 are connected with the connection screw 1212 to be electrically connected to the first circuit board 123, so that when the first circuit board 123, the battery 124 and the second circuit board 125 form a complete loop and are powered on, an electrical signal can be transmitted to the electromagnet 122, so that the electromagnet 122 is powered on to have magnetism.
Preferably, the tail cover 127 is formed with a connection portion 1271 embedded in the rear end of the housing 121, and the second circuit board 125 is mounted on the connection portion 1271 to be disposed in the housing 121. The second circuit board 125 is mounted on the tail cap 127 to be electrically connected to the battery 124 by the tail cap 127 being inserted into the housing 121, so as to facilitate replacement of the battery 124. The battery 124 is placed in the case 121 in a state that the negative contact is behind the front positive contact, the negative contact of the battery 124 is electrically connected to the first circuit board 123, and the positive contact thereof is electrically connected to the second circuit board 125. The positive and negative contacts of the battery 124 are electrically connected with the second circuit board 125 and the first circuit board 123 through the spring 129, respectively, so as to reduce the impact on the battery 124 during the movement of the inertial hammer 113, and the battery 124 with similar size can be adapted to enhance the diversity of the battery 124. Of course, in other embodiments, the battery 124 is placed in the housing 121 with the positive contact at the front and the negative contact at the back, the positive contact of the battery 124 is electrically connected to the first circuit board 123, and the negative contact thereof is electrically connected to the second circuit board 125. The positive and negative contacts of the battery 124 are electrically connected to the first circuit board 123 and the second circuit board 125 through springs 129, respectively.
Specifically, in the present embodiment, the punch assembly 112 includes a punch 1121 and a punch mounting rod 1122, the punch mounting rod 1122 is provided in the housing 111 and has a distal end exposed to the front side of the housing 111, and the punch 1121 is fitted to the distal end of the punch mounting rod 1122 so that a punch tip 1123 of the punch 1121 is exposed to an end surface of the housing 111 to strike a material surface. The punch 1121 is fitted to the punch mounting rod 1122 so as to be disposed at the front end of the housing 111, so that the punch 1121 can be easily replaced according to the size and shape of the punch 1121 required by a user, and the punch is suitable for various application scenarios and has high practicability. Preferably, an accommodating groove for accommodating the punch 1121 is formed in the center of the end surface of the end of the punch mounting rod 1122 in a recessed manner, and an installation part 1124 for being inserted into the accommodating groove is formed at the end of the punch 1121. The user can remove and replace the punch 1121 by taking the mounting portion 1124 of the punch 1121 out of the accommodating slot, so that the operation is simple and convenient, and the automatic center punching device 10 is convenient to update and maintain.
Referring to fig. 4 to 6, in the present embodiment, in particular, an adjusting nut 114 is screwed to the end of the punch mounting rod 1122, and the adjusting nut 114 is disposed on the front side of the housing 111. The length of the punch mounting rod 1122 of the punch assembly 112 in the housing 111 is adjusted by turning the adjusting nut 114, and the distance between the punch mounting rod 1122 and the electromagnet 122 is adjusted, so that the stroke between the punch mounting rod 1122 and the inertia hammer 113 is adjusted, and the adjustment of the impact force of the automatic center punch device 10 is realized. The striking stroke is a moving distance of the inertia weight 113 to be attracted to the electromagnet 122 and then released to the top end of the punch mounting rod 1122.
Specifically, in some embodiments, a top end of the punch mounting rod 1122 extends to form a rib, the adjusting nut 114 is turned to adjust the tightness of the punch mounting rod 1122 of the punch assembly 112, and the punch mounting rod 1122 cannot move when the punch mounting rod 1122 is tightened to abut the rib against the front end of the housing 111, at which time, a user can strike with a hammer and hammer to impact a material surface.
Fig. 4 shows an internal structural schematic diagram of the automatic center punch device 10 when not operating, at this time, the electromagnet 122 is not powered and is not magnetic, the inertia hammer 113 abuts against the punch assembly 112, and the electromagnet 122 has a set distance from the inertia hammer 113 so that the inertia hammer 113 moves to strike the punch assembly 112.
Fig. 5 shows an internal structure diagram of the automatic center punch device 10 in a low-impact state during operation, in which the electromagnet 122 is energized to be magnetic, and the inertia weight 113 is separated from the punch assembly 112 and attracted by the electromagnet 122. When not operating, the user turns the adjusting nut 114 so that the length of the punch mounting rod 1122 in the housing 111 becomes longer than the length of the punch mounting rod 1122 in the housing 111 in the initial state, and the distance between the hammer 113 and the electromagnet 122 becomes smaller than the set distance, so that the distance between the punch mounting rod 1122 and the electromagnet 122 becomes smaller, the stroke of striking between the punch mounting rod 1122 and the hammer 113 becomes shorter, and the impact force of the automatic center punch apparatus 10 becomes smaller.
Fig. 6 shows an internal structure diagram of the automatic center punch device 10 in a high-punch state during operation, in which the electromagnet 122 is energized to be magnetic, and the inertia weight 113 is separated from the punch assembly 112 and attracted by the electromagnet 122. When not in operation, the user turns the adjusting nut 114 so that the length of the punch mounting rod 1122 in the housing 111 becomes shorter than the length of the punch mounting rod 1122 in the housing 111 in the initial state, and the distance between the electromagnet 122 and the hammer 113 becomes longer than a predetermined distance, whereby the distance between the punch mounting rod 1122 and the electromagnet 122 becomes longer, the stroke of striking between the punch mounting rod 1122 and the hammer 113 becomes longer, and the impact force of the automatic center punch apparatus 10 becomes larger. The initial state is a state in which the inertia weight 113 of the automatic center punch apparatus 10 is set at a distance from the electromagnet 122 when not in operation.
With reference to fig. 3, in the present embodiment, a tension spring 115 is disposed between the punch assembly 112 and the inertia weight 113, one end of the tension spring 115 is connected to the front end of the housing 111, and the other end of the tension spring 115 is connected to the inertia weight 113. The impact on the punch head assembly 112 in the knocking process of the inertia hammer 113 can be effectively relieved by arranging the tension spring 115, and the punch head assembly 112 is prevented from being improperly stressed due to the displacement of the inertia hammer 113 in the knocking process. Also, by using the property of the tension spring 115, the automatic center punch device 10 may be in a horizontal state, and the inertia weight 113 may strike the punch assembly 112 to impact the material surface by using the elastic force of the tension spring 115. A channel 1111 is formed at a position of the front end surface of the housing 111 corresponding to the punch assembly 112, a protrusion 1112 is formed by extending the end of the channel 1111 outwards, a locking groove 1113 for fixing one end of the tension spring 115 is formed between the protrusion 1112 and the front end surface of the housing 111, and one end of the tension spring 115 is inserted into the locking groove 1113 to fix the position of the tension spring 115.
Based on the design, when the device works, a user turns a knob to adjust the length of the punch mounting rod of the punch assembly in the shell, and the distance between the punch mounting rod and the electromagnet is adjusted, so that the knocking stroke between the punch mounting rod and the inertia hammer is adjusted, and the adjustment of the impact force is realized; after the adjustment is finished, the pressing cap is pressed to press the switch to control the switch to be closed, a complete loop is formed among the second circuit board, the battery and the first circuit board, the battery is electrified to enable the electromagnet to have magnetism and adsorb the inertia hammer, and the inertia hammer is separated from the punch assembly, moves towards the direction of the electromagnet and is in contact with the electromagnet; when the switch on the second circuit board is disconnected, the second circuit board, the battery and the first circuit board are disconnected, the electromagnet is powered off and does not have magnetism, the inertia hammer is released, the inertia hammer is separated from the electromagnet and moves towards the punch head assembly due to gravity and inertia to knock the punch head mounting rod of the punch head assembly, the punch head assembly moves towards the surface of the material to impact the surface of the material, the electric control mechanism is utilized to control the punch head mechanism to work, manual knocking is not needed to be carried out through additional tools, the operation is simple and convenient, and the safety is high.
To sum up, the utility model discloses an automatic center is towards device is through setting up electrical control mechanism with the work of control center drift mechanism, the electro-magnet has a set distance apart from the inertia hammer, through pressing the work of pressing cap with the control battery makes the electro-magnet circular telegram and adsorbs the inertia hammer to make the inertia hammer remove and separate with the drift subassembly, control battery outage so that the electro-magnet loses the electricity and releases the inertia hammer, thereby the inertia hammer strikes the drift subassembly in front of it in order to strike the material surface, need not to strike the material surface automatically with the help of extra instrument, convenient operation is succinct, and portable, and the practicality is strong, improves user experience; the length of a punch mounting rod of the punch assembly in the shell can be adjusted by arranging the adjusting nut, and the distance between the punch mounting rod and the electromagnet is adjusted, so that the knocking stroke between the punch mounting rod and the inertia hammer is adjusted, and the adjustment of the impact force is realized; and the positive and negative contacts of the battery are electrically connected with the second circuit board and the first circuit board through springs respectively so as to relieve the impact on the battery in the moving process of the inertia hammer.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not intended to limit the invention in any way. Various equivalent changes and modifications can be made on the basis of the above embodiments by those skilled in the art, and all equivalent changes and modifications within the scope of the claims should fall within the protection scope of the present invention.