CN221211971U - Drilling tool and cutter pad protection structure of bookbinding machine - Google Patents

Abstract

The utility model provides a book-binding machine drill and knife pad protection architecture, this structure includes the motor of punching, the motor of punching be connected with the frame of punching, the output shaft transmission of the motor of punching be connected with the axle of punching, the axle of punching overlap with the bearing; the perforating machine seat is also provided with an electric signal transmission structure, wherein the electric signal transmission structure comprises a conductive module, and the conductive module is contacted with the perforating shaft; the technical scheme of the application can effectively avoid conductive failure and maintain the stability of electric transmission, thereby avoiding unsafe conditions such as the drilling tool penetrating through the tool pad, the breaking of the drilling tool and the like.

Description

Drilling tool and cutter pad protection structure of bookbinding machine

Technical Field

The application relates to the technical field of financial bookbinding machines, in particular to a drilling tool and a cutter pad protection structure of a bookbinding machine.

Background

The bill binding equipment commonly adopted by the financial binding machine is more types such as an automatic financial binding machine, a full-automatic financial binding machine, a high-intelligent financial binding machine and the like, so as to improve the binding efficiency and save labor cost. The automatic or intelligent binding machine mainly comprises a base positioned at the lower part, wherein a punching structure is arranged on the base, a workbench is arranged above the punching structure, a paper pressing table is arranged on the workbench and used for fixing the position of paper, a cutter pad is arranged at the bottom of the paper pressing table, a drilling tool for punching is arranged on the punching structure, the drilling tool is arranged on a punching shaft, the paper is punched from bottom to top, the position of the cutter pad is aligned with the drilling tool up and down, the position detection of the drilling tool after punching is realized by arranging a position detection sensor and the like, so that the punching action can be stopped after the paper is punched, the drilling tool is contacted with the cutter pad to conduct electricity, and damage caused by excessive rising of the drilling tool is avoided.

The structure generally realizes the transmission of the electric signal after the drill bit contacts the cutter pad by electrifying the paper pressing table, and then the drill bit realizes the continuous transmission of the electric signal through a bearing sleeved on the punching shaft, so that the detection sensor detects the electric signal to control the drill bit to stop rising; however, this type of structure also has certain disadvantages: firstly, because the detection sensor is used for a plurality of times for a long time, failure can be caused, and an electric signal can not be accurately detected, so that the drilling tool can not stop working in time; secondly, more importantly, the electric signal is transmitted through the conduction of the bearing, lubricating oil is required to be added in the use process of the bearing, a high-speed oil film is formed when the bearing rotates at a high speed by the lubricating oil, the electric conductivity can be lost at a certain speed, the electric signal cannot be induced after the drill bit possibly contacts the drill pad, and unsafe conditions such as cutting through the drill pad, cracking of the drill bit and the like are caused.

Disclosure of utility model

The application aims at the defects of the prior art, and provides the drilling tool and the protection structure of the drilling tool pad of the binding machine, which can effectively avoid conducting failure, so as to avoid unsafe conditions such as drilling of the drilling tool through the drilling tool pad, cracking of the drilling tool and the like.

In order to solve the technical problems, the application adopts the following technical scheme: the utility model provides a book-binding machine drill and knife pad protection architecture, this structure includes the motor of punching, the motor of punching be connected with the frame of punching, the output shaft transmission of the motor of punching be connected with the axle of punching, the axle of punching overlap with the bearing; the punching machine is characterized in that an electric signal transmission structure is further arranged on the punching machine base, the electric signal transmission structure comprises a conductive module, and the conductive module is in contact with the punching shaft.

By adopting the structure, the electric signal transmission structure is arranged on the perforating machine base, and then the electric signal transmission structure is directly contacted with the perforating shaft through the conductive module in the electric signal transmission structure, so that the traditional mode of transmitting the electric signal through the bearing is converted into the mode of directly contacting the perforating shaft with the conductive module to realize transmission; because the bearing is not used for transmission, even if the lubricating oil on the bearing generates an oil film to lose the conductivity, stable transmission of an electric signal can be realized through contact of the conductive module and the punching shaft, so that when the drilling tool punches through the paper and contacts the cutter pad, the electric signal can be rapidly transmitted to the controller through the drilling tool, the punching shaft and the conductive module, and the controller controls the drilling tool to stop working, so that unsafe conditions such as punching of the cutter pad by the drilling tool, breakage of the drilling tool and the like are avoided.

Further, the conductive module is a carbon brush (electric brush), one end of the carbon brush is contacted with the punching shaft, the other end of the carbon brush is propped against a carbon brush spring, and the carbon brush spring is used for pushing the carbon brush to prop against the punching shaft; by adopting the structure, the carbon brush can be ensured to be always in contact with the punching shaft, and the stability of electric signal transmission is maintained; the carbon brush is made of pure carbon, has good conductivity, and can be worn in the rotation process, carbon powder generated by contact friction with a punching shaft can fall on a bearing, the lubricating performance of the bearing can be further improved, and the use of lubricating oil can be reduced.

Further, the perforating machine base is provided with a containing shell, the carbon brush springs and the carbon brushes are arranged in the containing shell, and one ends of the carbon brushes extend out of the containing shell to prop against the perforating shaft; by adopting the structure, the carbon brush and the spring can be well fixed in the accommodating shell, the stability of the position of the carbon brush and the spring is ensured, and the stability of propping against the punching shaft is realized.

Further, the upper part of the accommodating shell is provided with an opening, and the opening is covered with a carbon brush gland; by adopting the structure, the carbon brush and the spring are conveniently placed and taken out in the shell, the spring and the carbon brush can be firmly arranged in the shell by the aid of the carbon brush gland, and the carbon brush gland and the accommodating shell form a sliding groove for the carbon brush to stretch back and forth, so that the carbon brush can be accurately abutted against the punching shaft by virtue of a guiding effect.

Further, the extension length of the carbon brush gland close to the end of the punching shaft is larger than that of the end of the accommodating shell; by adopting the structure, the upper and lower more stable limit can be realized on the extended electric brush.

Furthermore, a guide rod is arranged in the carbon brush spring in a penetrating way, one end of the guide rod is abutted against the accommodating shell, and the other end of the guide rod is sleeved with the carbon brush; by adopting the structure, the carbon brush can always run along the guide rod in the process of being pushed by the carbon brush spring, so that the stability and the accuracy of the running track of the carbon brush are ensured.

Further, the lower bottom surface of the carbon brush is abutted against the upper end surface of the bearing; by adopting the structure, the carbon brush support can be firmly fixed on the bearing, and the front end of the carbon brush is contacted with the rotary punching shaft in the abrasion process, so that the stability of the upper and lower positions of the carbon brush can be maintained.

Further, the conductive module is a metal sheet, one end of the metal sheet is contacted with the punching shaft, and the other end of the metal sheet is provided with an elastic piece which is used for pushing the metal sheet to prop against the punching shaft; or the conductive module is an elastic piece, one end of the elastic piece is abutted against the punching shaft, and the other end of the elastic piece is abutted against the punching machine base; by adopting the structure, the electric signal can be transmitted through the punching shaft and the metal sheet, and the metal sheet can be firmly contacted with the punching shaft through the elastic piece; in the contact and abutting process of the metal sheet and the punching shaft, the lower bottom surface of the metal sheet can be always abutted against the upper end surface of the bearing so as to stabilize the upper and lower positions of the metal sheet; the elastic element can be directly used as a medium for electric signal transmission, for example, the elastic element can be a straight spring made of metal materials so as to realize a stable conductive function.

Further, the front end surface of the metal sheet, which is in contact with the punching shaft, is arc-shaped, and the arc-shaped outline is matched with the outer outline of the punching shaft; with this structure, the metal sheet can be brought into effective contact with the punching shaft.

Further, the thickness extension direction of the metal sheet is consistent with the axial direction of the punching shaft; by adopting the structure, when the metal sheet is contacted with the punching shaft, the metal sheet is contacted with the punching shaft in a line manner, so that the effective transmission of an electric signal can be effectively maintained, and meanwhile, the excessive abrasion to the punching shaft caused by overlarge contact area of the metal sheet and the punching shaft is avoided.

The application also provides a financial binding machine, which comprises the binding machine drilling knife and knife pad protection structure, and the binding machine adopting the protection structure can more accurately control the position of the drilling knife and avoid damage to the drilling knife and the knife pad caused by excessive punching.

Drawings

Fig. 1 is a schematic structural view of a first view of a cutter and pad protection structure of the finance binding machine of the present application.

Fig. 2 is a schematic structural view of a second view of the cutter and pad protection structure of the finance binding machine of the present application.

Fig. 3 is a schematic structural view of a third view of the cutter and pad protection structure of the finance binding machine of the present application.

Fig. 4 is a schematic structural view of the carbon brush of the present application mated with a punching shaft.

Fig. 5 is a schematic structural view of a carbon brush according to the present application.

Fig. 6 is a schematic structural view of a metal sheet of the present application.

FIG. 7 is a schematic view of the structure of the finance binding machine of the present application.

As shown in the accompanying drawings: 1. the drilling machine comprises a drilling motor, a drilling machine base, a drilling shaft, a bearing, a conductive module, a carbon brush spring, a containing shell, a carbon brush gland, a guide rod, an elastic piece, a base, a workbench, a paper pressing table, a cutter pad and a drill.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the embodiments and the accompanying drawings, and it is apparent that the described embodiments are only preferred embodiments, not all embodiments. All other embodiments, based on the embodiments of the application, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the application;

Furthermore, it is to be noted that: when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-7, the application relates to a protection structure for a drilling tool and a cutter pad of a binding machine, which comprises a punching motor 1, wherein the punching motor 1 is connected with a punching machine seat 2, an output shaft of the punching motor 1 is in transmission connection with a punching shaft 3, the punching shaft 3 is sleeved with a bearing 4 (the output shaft of the punching motor can be in a screw structure which is matched with the punching machine seat, the screw can realize the driving of the punching shaft by the motor through the transmission connection with a gear and the like, so that the punching shaft can rotate to realize punching action, and a bearing of the punching shaft is sleeved on the punching shaft to assist the rotation of the punching shaft); the punching machine seat 2 is also provided with an electric signal transmission structure, the electric signal transmission structure comprises a conductive module 5, and the conductive module 5 is contacted with the punching shaft 3.

By adopting the structure, the electric signal transmission structure is arranged on the perforating machine base, and then the electric signal transmission structure is contacted with the perforating shaft through the conductive module in the electric signal transmission structure, so that the traditional mode of transmitting the electric signal through the bearing is converted into the mode of directly contacting the perforating shaft with the conductive module to realize transmission; because the bearing transmission is not adopted any more, even if the lubricating oil on the bearing generates an oil film to lose the conductivity, stable transmission of an electric signal can be realized through contact of the conductive module and the punching shaft, so that when the drilling tool punches through the paper and contacts the cutter pad, the electric signal can be rapidly transmitted to the controller through the drilling tool, the punching shaft and the conductive module, and the controller controls the drilling tool to stop working timely, so that unsafe conditions such as the drilling tool punching the cutter pad, the breaking of the drilling tool and the like are avoided.

As shown in fig. 1-5, the conductive module 5 of the present application is a carbon brush (brush), one end of the carbon brush contacts the punching shaft 3, the other end of the carbon brush abuts against the carbon brush spring 6, and the carbon brush spring 6 is used to push the carbon brush to abut against the punching shaft 3 (i.e. the carbon brush spring can always give a pushing force to the carbon brush so that the carbon brush and the punching shaft always maintain an abutting contact state, thereby improving stability of electric signal transmission; by adopting the structure, the carbon brush can be ensured to be always in contact with the punching shaft, and the stability of electric signal transmission is maintained; the carbon brush is made of pure carbon (a small amount of adhesive is added to form a complete carbon brush), so that the carbon brush has good conductivity, carbon powder which is easy to wear in the process of contacting with a rotating punching shaft and is generated by friction with the punching shaft falls on a bearing, the lubricating performance of the bearing can be further improved, and the use of lubricating oil can be reduced.

As shown in fig. 1-3, the perforating machine base 2 of the present application is provided with a containing housing 7, the carbon brush spring 6 and the carbon brush are arranged in the containing housing 7, one end of the carbon brush extends out of the containing housing 7 to lean against the perforating shaft 3 (i.e. the carbon brush is pushed by the carbon brush spring, one end of the carbon brush spring contacts with the carbon brush, and the other end contacts with the inner wall of the containing housing; the containing housing and the carbon brush spring are both made of conductive materials, so that the electric signal from the carbon brush is conveniently transmitted); by adopting the structure, the carbon brush and the spring can be well fixed in the accommodating shell, the stability of the position of the carbon brush and the spring is ensured, and the stability of propping against the punching shaft is realized.

As shown in fig. 2, the upper opening of the accommodating casing 7 is covered with a carbon brush gland 8; as an example, a mounting hole is formed in one side of the accommodating shell, and the carbon brush gland can be fixed with the mounting hole through a bolt to cover the opening; by adopting the structure, the carbon brush and the spring are conveniently placed and taken out in the shell, the spring and the carbon brush can be firmly arranged in the shell by the aid of the carbon brush gland, and the carbon brush gland and the accommodating shell form a sliding groove for the carbon brush to stretch back and forth, so that the carbon brush can be accurately abutted against the punching shaft by virtue of a guiding effect.

As shown in fig. 3, the carbon brush gland 8 of the present application has a greater extension length near the end of the punching shaft 3 than the end of the accommodating housing 7; by adopting the structure, the upper and lower more stable limit can be realized on the extended electric brush.

As shown in fig. 4-5, a guide rod 9 is penetrated in the carbon brush spring 6 according to the present application, one end of the guide rod 9 abuts against the accommodating housing 7 (the end of the guide rod is provided with an end cover as shown in the figure, the end of the guide rod can abut against or be fixed on the inner wall of the accommodating housing through the end cover, the end of the carbon brush spring can be fixedly connected with the end cover, the other end of the carbon brush spring abuts against the carbon brush to push the carbon brush to abut against and contact with the punching shaft along the guide rod), and the other end of the carbon brush spring is sleeved with the carbon brush (the carbon brush can be provided with a guide hole matched with the guide rod along the length direction of the carbon brush and is slidably sleeved with the guide rod, so that the carbon brush spring can push the carbon brush to extend the guide rod to abut against and contact with the punching shaft); by adopting the structure, the carbon brush can always run along the guide rod in the process of being pushed by the spring, so that the stability of the running track of the carbon brush is ensured.

As shown in fig. 4, the lower bottom surface of the carbon brush of the application is abutted against the upper end surface of the bearing 4 (i.e. the bottom of the carbon brush is placed on the upper surface of the bearing); by adopting the structure, the carbon brush can be firmly arranged on the bearing, the front end of the carbon brush is contacted with the rotating punching shaft in the abrasion process, the stability of the upper position and the lower position of the carbon brush can be kept, and the carbon brush and the punching shaft can be kept in stable contact in the process of continuously pushing the carbon brush to be contacted with the punching shaft.

As shown in fig. 6, the conductive module 5 of the present application is a metal sheet, one end of the metal sheet contacts with the punching shaft 3 (similar to a carbon brush), and the other end is provided with an elastic member 10 (the elastic member may be an elastic structure such as a straight spring capable of pushing the metal sheet to contact with the punching shaft all the time, and the elastic member 10 is used for pushing the metal sheet to contact with the punching shaft 3; by adopting the structure, the electric signal can be transmitted through the punching shaft and the metal sheet, and the metal sheet can be firmly contacted with the punching shaft through the elastic piece; the elastic piece can be fixed by screws, two ends of the elastic piece are respectively contacted with the punching shaft and the punching machine seat, so that the transmission of electric signals is realized, and the non-conductive characteristic of the bearing in the high-speed rotation process is compensated.

As shown in fig. 6, the front end surface of the metal sheet, which is contacted with the punching shaft 3, is arc-shaped, and the arc-shaped outline is matched with the outer outline of the punching shaft 3; or the conductive module 5 is an elastic piece 10, one end of the elastic piece 10 is abutted against the punching shaft 3, and the other end is abutted against the punching machine seat 2; by adopting the structure, the metal sheet can be effectively contacted with the punching shaft; in the contact and abutting process of the metal sheet and the punching shaft, the lower bottom surface of the metal sheet can be always abutted against the upper end surface of the bearing so as to stabilize the upper and lower positions of the metal sheet; the elastic piece is directly adopted as a medium for transmitting electric signals (or currents and the like), the elastic piece is made of a straight spring metal material, the electric conduction is realized, and a carbon brush or a metal sheet and the like are not required to be additionally arranged; the metal sheet structure can also adopt the accommodating shell and the cover plate to fix the orientation of the metal sheet structure, and can stably maintain the contact and the abutting of the metal sheet or the elastic piece and the punching shaft, so that the fixing mode for ensuring the conductivity stability can be used for the application.

As shown in fig. 6, the thickness of the metal sheet (the thickness of the metal sheet is not too thick, and the thickness capable of meeting the electric signal transmission is applicable to the application) of the application is consistent with the axial direction of the punching shaft 3; by adopting the structure, when the metal sheet is contacted with the punching shaft, the metal sheet is contacted with the punching shaft in a line manner, so that the effective transmission of an electric signal can be effectively maintained, and meanwhile, the excessive abrasion to the punching shaft caused by overlarge contact area of the metal sheet and the punching shaft is avoided.

As shown in fig. 7, the application further provides a financial binding machine, which comprises the drilling knife and knife pad protection structure of the financial binding machine, and the binding machine adopting the protection mechanism can more accurately control the position of the drilling knife and avoid damage to the drilling knife and the knife pad caused by excessive punching.

The application has the innovation point that the traditional bearing conduction is replaced by adopting structures such as carbon brushes or metal sheets or direct conductive elastic pieces and the like to directly contact with the punching shaft so as to form conduction; the subsequent transmission of the electric signal and the transmission of the electric signal after the drill bit contacts the cutter pad start the process of controlling the stop of the drill bit by the controller (main board), and the technology of signal transmission and start and stop control can be adopted conventionally in the field; the specific drilling tool rotation, up-down lifting and other structural functions can be realized by adopting a drilling tool driving structure mode of the existing bookbinding machine, if the drilling tool or the drill bit for punching is arranged on the punching shaft, the drilling tool or the drill bit can be fixed by threaded connection or welding and the like, the drilling tool can rotate along with the punching shaft to punch paper, the drilling tool, the tool pad and the punching shaft are all made of conductive materials, and therefore, when the drilling tool or the drill bit of the paper is punched through, the drilling tool or the drill bit of the paper is contacted with the charged tool pad, an electric signal is immediately transmitted to an electric signal transmission structure, and if the carbon brush structure or the metal sheet or the elastic piece and the like of the application are directly contacted with the punching shaft to realize conduction, the electric signal is continuously transmitted to a controller main board, and the control of stopping work of the drilling tool is realized; the punching machine seat is also provided with the rivet pressing head structure, paper is riveted after punching is completed, assembly is formed, and the punching machine seat can be of an industry conventional structure, namely a pin structure which is erected on the left side in FIG. 1 and used for rivet pressing, and detailed description is not needed.

The application relates to a financial binding machine drilling tool and tool pad protection structure, which has the following specific working principle and process: the paper pressing table of the financial binding machine is provided with a power supply for supplying power, for example, 5V safe power supply can be generated, and the knife pad is used for preparing a conductor material and is electrified at the same time, so that the transmission of electricity can be realized; as shown in fig. 7, the drill and pad protection structure of the binding machine of the present application is mounted on a base 11, the upper part of the base 11 is a workbench 12, a paper pressing table 13 and a pad 14 are fixed on the workbench 12, these auxiliary structures can be structures conventionally adopted in the field of binding machines, the fixing and operation of the drill and pad protection structure of the binding machine of the present application can be realized, and the structure capable of realizing paper pressing action of paper is adapted to the present application; the punching shaft 3 of the present application is mounted with a drill 15 (visible in fig. 7, not shown in fig. 1-6) for punching paper; then clicking a punching button on the binding machine to run, at the moment, the paper pressing table descends to press paper on the working table, and a punching motor in a drilling knife and knife pad protection structure of the binding machine drives the drilling knife to rotate and ascend to punch the paper, so that paper scraps can be sucked away in the ascending punching process; when paper is completely punched through, the drill bit can contact the cutter pad to conduct electricity, an electric signal (or called current) is generated, the electric signal is transmitted to a carbon brush or a metal sheet or a direct elastic piece and the like through a punching shaft connected with the drill bit, the electric signal is further transmitted to a punching machine seat to generate a voltage difference, the voltage difference is fed back to a controller, a main board of the controller can immediately control the drill bit to stop running after receiving the signal, and then the drill bit is reset; the structure of the application effectively overcomes the following defects brought by the conduction of the bearing in the prior art: because lubricating grease can form a high-speed oil film when the bearing rotates at a high speed and lose conductivity at a certain speed, the drilling tool can possibly contact with the tool pad and then cannot induce an electric signal, and potential safety hazards such as breaking through the tool pad and breaking the drilling tool are caused; the novel conductive structure is not easy to fail, has better stability, can control the drill to stop by conveying an electric signal to the controller through the conductive medium such as carbon brush/metal sheet and the like when the drill touches the cutter pad, replaces the bearing in the prior art to conduct electricity, and has low price and strong stability.

Claims (10)

1. The utility model provides a book-binding machine drill and knife pad protection architecture which characterized in that: the structure comprises a punching motor (1), wherein the punching motor (1) is connected with a punching machine seat (2), an output shaft of the punching motor (1) is connected with a punching shaft (3) in a transmission way, and the punching shaft (3) is sleeved with a bearing (4); the punching machine is characterized in that an electric signal transmission structure is further arranged on the punching machine base (2), the electric signal transmission structure comprises a conductive module (5), and the conductive module (5) is in contact with the punching shaft (3).

2. The binder drill and mat protection structure of claim 1, wherein: the conductive module (5) is a carbon brush, one end of the carbon brush is in contact with the punching shaft (3), the other end of the carbon brush is propped against the carbon brush spring (6), and the carbon brush spring (6) is used for pushing the carbon brush to prop against the punching shaft (3).

3. The binder drill and mat protection structure of claim 2, wherein: the punching machine is characterized in that the punching machine base (2) is provided with a containing shell (7), the carbon brush spring (6) and the carbon brush are arranged in the containing shell (7), and one end of the carbon brush extends out of the containing shell (7) to abut against the punching shaft (3).

4. The binder drill and mat protection structure of claim 3, wherein: the upper part of the accommodating shell (7) is provided with an opening, and the opening is covered with a carbon brush gland (8).

5. The binder drill and mat protection structure of claim 4, wherein: the extension length of the carbon brush gland (8) close to the end of the punching shaft (3) is larger than that of the end of the accommodating shell (7).

6. The binder drill and mat protection structure of claim 3, wherein: a guide rod (9) is arranged in the carbon brush spring (6) in a penetrating way, one end of the guide rod (9) is abutted against the accommodating shell (7), and the other end of the guide rod is sleeved with the carbon brush.

7. The binder drill and mat protection structure of claim 2, wherein: the lower bottom surface of the carbon brush is abutted against the upper end surface of the bearing (4).

8. The binder drill and mat protection structure of claim 1, wherein: the conductive module (5) is a metal sheet, one end of the metal sheet is contacted with the punching shaft (3), the other end of the metal sheet is provided with an elastic piece (10), and the elastic piece (10) is used for pushing the metal sheet to lean against the punching shaft (3); or the conductive module (5) is an elastic piece (10), one end of the elastic piece (10) is abutted against the punching shaft (3), and the other end is abutted against the punching machine seat (2).

9. The binder drill and mat protection structure of claim 8, wherein: the front end face of the metal sheet, which is in contact with the punching shaft (3), is arc-shaped, and the arc-shaped outline is matched with the outer outline of the punching shaft (3).

10. The binder drill and mat protection structure of claim 9, wherein: the thickness extension direction of the metal sheet is consistent with the axial direction of the punching shaft (3).