Disclosure of Invention
The invention aims to provide a binding machine, which really realizes that a single rotary driving piece controls two actions of punching and riveting, and essentially simplifies the structure of the binding machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a binding machine comprises a machine base, a press riveting mechanism and a punching mechanism, wherein a rotary driving piece is arranged on the machine base, a driving wheel used for driving the press riveting mechanism or the punching mechanism to move up and down is arranged on the rotary driving piece, a first avoidance groove and a second avoidance groove which are oppositely arranged are arranged on the driving wheel, and when the binding machine is in a non-working state, the first avoidance groove and the second avoidance groove are distributed leftwards and rightwards;
a first transmission rod is arranged in the first avoiding groove in a sliding mode and connected with the press riveting mechanism; and a second transmission rod is arranged in the second avoiding groove in a sliding mode and connected with the punching mechanism.
Preferably, the first avoidance groove and the second avoidance groove are both arc-shaped.
Preferably, the press riveting mechanism comprises a press riveting sliding block and a riveting head seat, and the press riveting sliding block is connected with the first transmission rod; the lower end of the press riveting sliding block is provided with a damping switch spring, and the press riveting sliding block is connected with the riveting head seat through the damping switch spring;
the machine base is provided with a first guide rod, and the first guide rod penetrates through the press riveting sliding block and the riveting head seat.
Preferably, the lower end of the press riveting sliding block is provided with a guide sliding shaft, a circular groove with an upward opening is formed in the riveting head seat, the guide sliding shaft is matched with the circular groove, and the guide sliding shaft is slidably arranged in the circular groove;
the shock absorption switch spring is sleeved on the sliding guide shaft, and is in a compressed state when the sliding guide shaft slides downwards relative to the rivet head seat;
a press riveting slider electrode is arranged on the sliding guide shaft, a riveting head seat electrode is arranged on the riveting head seat, and the riveting head seat electrode is positioned below the press riveting slider electrode;
the binding machine further comprises a controller, and the controller is electrically connected with the press riveting slide block electrode, the riveting head seat electrode and the rotary driving piece respectively; when the press riveting sliding block electrode is in contact with the riveting head seat electrode, the controller sends a control signal to control the rotary driving piece to stop working.
Preferably, the rivet head seat is provided with an elongated hole above the rivet head seat electrode, and the press-riveting slider electrode is slidably arranged in the elongated hole; the rivet head seat electrode is arranged at the lower edge of the elongated hole;
when the guide sliding shaft slides downwards relative to the rivet head seat and the press-riveting sliding block electrode slides to the lower end of the long hole, the press-riveting sliding block electrode is in contact with the rivet head seat electrode.
Preferably, the punching mechanism comprises a punching slide block, and the punching slide block is connected with the second transmission rod;
the punching mechanism further comprises a punching seat fixed on the punching sliding block, a second guide rod is arranged on the punching seat, a through hole is formed in the punching sliding block, and the second guide rod penetrates through the through hole.
Preferably, the second guide rod is sleeved with a punching spring, and the punching spring is arranged between the punching slider and the punching seat.
Preferably, the punching seat is provided with an avoiding hole, and the punching cutter is aligned with the avoiding hole.
Preferably, a first guide rod is arranged on the machine base and penetrates through the press riveting sliding block and the riveting head base.
Preferably, the binding machine further comprises two return springs, one ends of the two return springs are fixed on the machine base, and the other ends of the two return springs are respectively connected with the squeeze riveting mechanism block and the punching mechanism;
when the pressure riveting mechanism moves downwards, the reset spring connected with the pressure riveting mechanism is in a stretching state, and when the punching mechanism moves downwards, the reset spring connected with the punching mechanism is in a stretching state.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts the principle of four-bar mechanism in machinery, the driving wheel is matched with the rotary driving piece, the riveting and punching operations are respectively controlled by the positive and negative rotation of the rotary driving piece, no gear box or motor is additionally arranged, two steps of binding can be finished by only one rotary driving piece, the cost is reduced, the working efficiency is improved, and the device has simple structure, so the device can adapt to market requirements, thereby realizing large-scale production and popularization.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The embodiment provides a binding machine, which is characterized in that a rotary driving piece is used for driving and connecting a driving wheel, and the riveting and punching operations of the binding machine can be respectively controlled through the forward rotation and the reverse rotation of the rotary driving piece, so that the number of the rotary driving pieces is reduced.
Each mechanism will be described in detail below.
Fig. 1 is a schematic structural diagram of a binding machine according to an embodiment of the present invention.
The bookbinding machine of the embodiment mainly comprises: the base 10, install in the binding platform of base bottom to install in the pressure riveting mechanism and the mechanism of punching on the base 10.
In this embodiment, the base 10 is provided with a rotary driving member 11 and a transmission mechanism. Wherein, the rotary driving member 11 is fixed on the top of the machine base 10, and the rotary shaft of the rotary driving member 11 is parallel to the binding platform transmission mechanism and fixed on the rotary shaft; the pressure riveting mechanism and the punching mechanism are respectively fixedly connected with the transmission mechanism and are respectively arranged on the left side and the right side of the rotating shaft.
When the rotating shaft rotates along the first direction, the transmission mechanism rotates along with the rotating shaft to drive the press riveting mechanism to press down to perform press riveting operation; when the rotating shaft rotates along the second direction, the transmission mechanism rotates along with the rotating shaft to drive the punching mechanism to press downwards to perform punching operation.
In this embodiment, the transmission mechanism includes a transmission wheel 12, a first transmission rod 131 and a second transmission rod 132. The rotary driving element 11 is in driving connection with the driving wheel 12, the driving wheel 12 can be rotated or swung by starting the rotary driving element 11, and therefore the stapler is controlled to perform riveting or punching operation through swinging of the driving wheel 12. The specific implementation mode is as follows:
the driving wheel 12 is provided with a first driving rod 131 and a second driving rod 132, the first driving rod 131 and the second driving rod 132 are arranged on the driving wheel 12 relatively, the press riveting mechanism is connected with the first driving rod 131, and the punching mechanism is connected with the second driving rod 132, so that the first driving rod 131 controls the press riveting action and the second driving rod 132 controls the punching action.
The press riveting mechanism comprises a press riveting sliding block 21 hinged on the first transmission rod 131, and a riveting head seat 23 is arranged at the lower end of the press riveting sliding block 21; the rotary driving member 11 is started, the rotating shaft rotates along the first direction, the rotary driving member 11 drives the first driving rod 131 to move downwards through the driving wheel 12, so that the rivet seat 23 is pressed downwards, and the press riveting action of the binding machine is performed.
The punching mechanism comprises a punching slide block 31 hinged on the second transmission rod 132, and a punching knife 33 for punching is arranged at the lower end of the punching slide block 31; the rotary driving member 11 is started, the rotating shaft rotates along the second direction, the rotary driving member 11 drives the second transmission rod 132 to move downwards through the transmission wheel 12, so that the punching knife 33 is pressed downwards to perform the punching action of the binding machine.
In the present embodiment, the rivet pressing slider 21 and the punching slider 31 are both slidably connected to the frame 10.
In order to avoid the mutual influence among the transmission wheel 12, the rivet pressing mechanism and the punching mechanism in the operation process, based on the above embodiment, the following improvements are made in the embodiment:
fig. 2 is a schematic structural diagram of a component driving wheel in a binding machine according to an embodiment of the present invention.
In this embodiment, two opposite arc edges of the driving wheel 12 are respectively provided with a first avoidance groove 121 and a second avoidance groove 122, and when the binding machine is in a non-working state, the first avoidance groove 121 and the second avoidance groove 122 are distributed in a left-right direction. The first avoiding groove 121 and the second avoiding groove 122 are arc-shaped structures with central symmetry. The first transmission rod 131 is slidably disposed in the first avoiding groove 121, and the second transmission rod 132 is slidably disposed in the second avoiding groove 122.
Taking the riveting device as an example, when the device is in the initial state of the riveting operation, the upper end of the first avoiding groove 121 just abuts against the first driving rod 131, and the upper end of the second avoiding groove 122 just abuts against the second driving rod 132; the driving wheel 12 is driven by the rotary driving member 11 to rotate counterclockwise, the upper end of the first avoiding groove 121 abuts against the first driving rod 131 and presses down the first driving rod 131, and since the lower end of the second avoiding groove 122 is still a certain distance away from the second driving rod 132, when the torque of the rotary driving member 11 is smaller than the arc length of the second avoiding groove 122, the second driving rod 132 can be stationary.
The first avoidance groove 121 and the second avoidance groove 122 provide relatively independent movement for the first transmission rod 131 and the second transmission rod 132 to a certain extent, and the mutual influence degree among the transmission wheel 12, the rivet pressing mechanism and the punching mechanism in the operation process is reduced, so that the structure of the machine core is simplified, and the stability and the safety of the binding machine are enhanced.
The principle of the punching operation is the same as that described above, and is not described herein again.
Fig. 3 is a schematic structural diagram of a rivet pressing mechanism in a binding machine according to an embodiment of the present invention.
Based on the above embodiments, the rivet pressing mechanism may further include a shock-absorbing switch spring 22.
In this embodiment, the damping switch spring 22 may be installed at the lower end of the press-riveting slider 21, and the press-riveting slider 21 is connected to the rivet seat 23 through the damping switch spring 22. The damping switch spring 22 can play a role in buffering in the press riveting process, and the machine base 10 is prevented from being damaged due to overlarge impact force of the press riveting.
In order to better control the stress of the base 10 in the press riveting process, the lower end of the press riveting slide block 21 can be further provided with a guide sliding shaft, a circular groove with an upward opening is formed in the rivet head seat 23, the guide sliding shaft is matched with the circular groove, and the guide sliding shaft can be slidably arranged in the circular groove.
The damping switch spring 22 is sleeved on the sliding guide shaft, and when the sliding guide shaft slides downward relative to the rivet seat 23, the damping switch spring 22 is in a compressed state.
In addition, the lower end of the slide guiding shaft is provided with a press riveting slider electrode 211, the rivet head seat 23 is provided with a rivet head seat electrode 231, and the rivet head seat electrode 231 is positioned below the press riveting slider electrode 211.
In the embodiment, the rivet seat 23 is provided with an elongated hole 232 above the rivet seat electrode 231, and the press-riveting slider electrode 211 is slidably disposed in the elongated hole 232; the rivet seat electrode 231 is disposed at the lower edge of the elongated hole. When the sliding guide shaft slides downwards relative to the rivet seat 23 to drive the press-riveting slider electrode 211 to slide to the lower end of the elongated hole, the press-riveting slider electrode 211 contacts with the rivet seat electrode 231.
In this embodiment, the binding machine further includes a controller electrically connected to the squeeze-and-rivet slider electrode 211, the rivet head holder electrode 231, and the rotary driving member 11, respectively. When the squeeze riveting slider electrode 211 contacts with the rivet head seat electrode 231, the controller sends a control signal to control the rotary driving member 11 to stop working. When the squeeze riveting slider electrode 211 is separated from the rivet head seat electrode 231, the controller sends a control signal to control the rotary driving member 11 to start.
The squeeze riveting slider electrode 211 and the rivet head base electrode 231 are electrically connected with the rotary driving member 11, and the squeeze riveting slider electrode 211 and the rivet head base electrode 231 can send control signals to the rotary driving member 11 to control the start and stop of the rotary driving member 11.
When the squeeze riveting slider electrode 211 contacts with the rivet head base electrode 231, the squeeze riveting slider electrode 211 and/or the rivet head base electrode 231 sends a control signal to the rotary driving member 11 to control the start and stop of the rotary driving member 11.
In this embodiment, when the binding machine performs a clinching operation, the power of the rotary driving member 11 is transmitted to the clinching slider 21 through the transmission wheel 12 and the first transmission rod 131, the clinching slider 21 drives the clinch seat 23 to move down through the damping switch spring 22 until the material to be bound is pressed, at this time, the rotary driving member 11 continuously applies force, when the force is increased to overcome the elastic force of the damping switch spring 22, the damping switch spring 22 is compressed, the clinching slider 21 descends relative to the clinch seat 23, the clinching slider electrode 211 slides down along the elongated hole 232 to contact with the clinch seat electrode 231, at this time, the clinching slider electrode 211 and the clinch seat electrode 231 send a control signal to the rotary driving member 11, and the rotary driving member 11 stops working, thereby controlling the force applied by the rotary driving member 11 to the machine base 10 while ensuring the clinching quality.
The improvement of the embodiment reduces the requirements of the binding machine on the strength and the rigidity of the machine base. In this embodiment, the base 10 may be made of plastic material, so as to reduce the weight of the machine body and improve the transition from the sheet-metal base to the plastic base of the binding machine.
Based on the above embodiments, in this embodiment, the base 10 may further include a first guide rod 24, and the first guide rod 24 penetrates through the squeeze riveting slider 21 and the rivet head seat 23 to play a guiding role in the squeeze riveting process.
Fig. 4 is a schematic structural diagram of a rivet pressing mechanism in a binding machine according to an embodiment of the present invention.
Based on the above embodiments, in this embodiment, the punching mechanism further includes a punching seat 35 fixed on the machine base 10, and two second guide rods 34 are arranged on the punching seat 35; in addition, the punching slider 31 is further provided with a through hole, and the second guide rod 34 is inserted into the through hole. The punching seat 35 is provided with an avoiding hole 351, and the punching knife 33 is aligned with the avoiding hole 351.
Referring to fig. 1 and 5, in the punching operation, the second guide bar 34 is used for guiding, and the punching seat 35 is applied with force by the punching spring 32, so that the bound object can be pressed, and the punching precision is ensured.
In order to facilitate the removal of the bound material from the punching blade 33 after the punching operation is completed, in the present embodiment, the punching spring 32 is fitted to each of the two second guide bars 34, wherein the punching spring 32 is provided between the punching slider 31 and the punching seat 35. When the punching operation is performed, the punching spring 32 is in a compressed state, and has a function of pressing the bound object by applying a force to the punching seat 35.
In addition, the punching spring 32 also has a buffering function, and in the punching operation, the punching spring 32 can avoid the damage to the device caused by excessive force applied to the machine base 10, and meanwhile, the resetting of the punching sliding block 31 after the punching is finished is also facilitated.
In addition, the base 10 is further provided with a first return spring 141 and a second return spring 142, and one end of each of the first return spring 141 and the second return spring 142 is fixed on the base 10. The other end of the first return spring 141 is connected to the press-riveting slider 21, and the other end of the second return spring 142 is connected to the punching slider 31. When the pressure riveting mechanism moves downwards, the first return spring is in a stretching state, and when the punching mechanism moves downwards, the second return spring is in a stretching state. When the press-riveting operation/punching operation is completed, the driving wheel 12 rotates, and the press-riveting slider 21/punching slider 31 can be quickly restored to its original position after the press-riveting/punching operation is completed by the restoring force of the first return spring 141/second return spring 142.
In each of the above embodiments, the rotary drive 11 is an electric motor or a motor.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.