Binding machine

Abstract

The binding machine comprises a pressing rivet seat and a guide needle, the guide needle is slidably installed on the pressing rivet seat, a limiting mechanism is movably installed in the pressing rivet seat, and the limiting mechanism abuts against the end of the guide needle so as to limit the guide needle in a sliding mode. The limiting mechanism is separated from the end of the guide needle so as to relieve limiting of the guide needle, the limiting mechanism can movably stretch out and draw back in the rivet pressing base, the limiting mechanism abuts against or is separated from the end of the guide needle through movable stretching out and drawing back, the guide needle is controlled to move up and down through the limiting mechanism, and limiting of the guide needle is more accurate and reliable. And the limiting mechanism is simple in structure, labor-saving and reliable to use.

Description

Technical Field

[0001] The present application relates to the technical field of office equipment, and more specifically to a binding machine. Background Art

[0002] A binding machine is a device used to bind paper documents, bills, vouchers, and other paper items. Existing binding machines generally include a punching mechanism, a tube cutting mechanism, and a riveting mechanism. The punching mechanism uses a drill to drill a circular binding hole on the edge of the object to be bound. The tube cutting mechanism cuts the rivet tube into sections of a certain length, and finally the riveting mechanism performs hot riveting to form a book. Currently, the tube cutting mechanism mostly uses a guide pin to transport the cut rivet tube to a workbench for riveting. In existing binding machines, the guide pin is often set in the riveting seat. The guide pin is prone to falling off during operation and needs to be manually reset before it can work again, which seriously affects work efficiency. After the riveting binding is completed, the guide pin needs to be manually lifted before the document can be removed, which is cumbersome. Moreover, if the user directly pulls out the document without fully lifting the guide pin, the guide pin is easily damaged. In response to the above-mentioned problems, the utility model patent with the announcement number: CN204712698U discloses a riveting device for a binding machine, including a support frame, a sliding plate provided on the support frame, an upper rivet head fixed on the sliding plate, a driving mechanism for driving the sliding plate to slide on the support frame, and a positioning pin, and also includes an elastic clamping mechanism provided on the sliding plate for elastically clamping the positioning pin; in this technical solution, the elastic clamping mechanism elastically clamps the positioning pin through the elastic plate to prevent the positioning pin from accidentally falling off, but the elastic clamping force of the elastic plate is difficult to control, and the positioning pin does not move up and down smoothly when no lubricating oil is applied. After lubricating oil is applied, the resistance is too small, and the effect of preventing the positioning pin from falling cannot be achieved. The positioning pin is the aforementioned guide pin. Therefore, there is still a need for a binding machine that can control the up and down movement of the guide pin. Summary of the Invention

[0003] The technical problem to be solved by this application is to provide a binding machine that can control the up and down movement of the guide needle according to usage requirements, limit the guide needle more accurately and reliably, and has a simple structure and saves labor to use.

[0004] The present application provides a binding machine, including a rivet seat and a guide pin, wherein the guide pin is slidably mounted on the rivet seat, and a limiting mechanism is movably mounted in the rivet seat, wherein the limiting mechanism abuts against the end of the guide pin to limit the sliding movement of the guide pin, and the limiting mechanism disengages from the end of the guide pin to release the limit on the guide pin, and the limiting mechanism is movably retractable in the rivet seat, and the limiting mechanism abuts against or disengages from the end of the guide pin through movably retracting and expanding.

[0005] In this technical solution, the guide needle slides downward on the riveting seat to transport the rivet tube for riveting. After riveting is completed, the guide needle slides upward on the riveting seat to move away from the bound document, so that the bound document can be taken out smoothly. In order to prevent the guide needle from falling off and affecting work efficiency, a limiting mechanism is added to the riveting seat, and the limiting mechanism is movable and retractable in the riveting seat. The limiting mechanism is extended and abuts against the end of the guide needle, so that the guide needle slides downward to a limit. The limiting mechanism is retracted and disengaged from the end of the guide needle, so that the guide needle slides downward to a limit. The guide needle is controlled to move up and down by the limiting mechanism, and the limiting of the guide needle is more accurate and reliable. The limiting mechanism has a simple structure and is labor-saving and reliable to use.

[0006] As an improvement, the limit mechanism includes a limit block and an elastic member connected to the limit block, and the limit block is maintained in an extended state by the elastic member. In this technical solution, the limit mechanism is provided with a limit block and an elastic member. The limit block is maintained in an extended state by the elastic member, so that the limit block remains in contact with the end of the guide pin. When the limit block is retracted under force, it compresses the elastic member, and the limit block can be moved back to its original position under the action of the elastic member. The limit mechanism structure is simple and reliable.

[0007] As an improvement, the limit block is provided with a guide arc surface adapted to the end of the guide needle. The guide needle is subjected to force so that the end moves along the guide arc surface, thereby driving the limit block to retract, and the guide needle passes through the limit mechanism to release the limit. In this technical solution, by providing a guide arc surface on the limit block, when the user needs to slide the guide needle downward, the user applies force to the guide needle to move the guide needle downward, and the end of the guide needle abuts against the guide arc surface and moves along the guide arc surface. The limit block is forced to retract under the action of the guide arc surface, so that the guide needle can slide downward and pass through the limit mechanism to release the sliding limit. The design of the guide arc surface makes the sliding unlocking smoother and more labor-saving, and the structural design is ingenious.

[0008] As an improvement, the limit block is provided with a through hole adapted to the end of the guide pin, and the limit block is retracted to allow the guide pin to slide through the through hole. In this technical solution, by providing a through hole on the limit block, when the limit block is retracted, the guide pin can slide downward through the through hole to prevent interference from the limit hole, thereby improving sliding efficiency.

[0009] As an improvement, the pressure riveting seat is provided with a first mounting groove adapted for the guide pin, and the guide pin is installed in the first mounting groove so as to be able to slide back and forth in the length direction of the pressure riveting seat. In this technical solution, by providing a first mounting groove in the pressure riveting seat for slidably mounting the guide pin, the guide pin is accommodated in the first mounting groove and one end of the guide pin extends out of the pressure riveting seat. The end of the guide pin extending from the pressure riveting seat serves as a user's operating part for the user to apply force. The guide pin is forced to slide back and forth along the length direction of the first mounting groove, thereby improving sliding efficiency and making it more labor-saving and convenient to use.

[0010] As an improvement, a second mounting groove adapted to the limiting mechanism is provided in the press riveting seat, and the limiting block is slidably installed in the second mounting groove, and the second mounting groove is perpendicular to the first mounting groove. In this technical solution, a second mounting groove is provided in the press riveting seat to install the limiting mechanism, and a limiting block is slidably installed in the second mounting groove. The limiting block slides and retracts in the second mounting groove to connect or disengage with the end of the guide pin, and the sliding efficiency is higher. The second mounting groove is provided to be perpendicular to the first mounting groove. After the limiting block slides and extends along the second mounting groove, it can be directly inserted into the first mounting groove to cooperate with the guide pin. The structural design is ingenious and reliable.

[0011] As an improvement, the side wall of the limit block is provided with a protrusion, and the second mounting groove is provided with a slide groove adapted to the protrusion. The protrusion is connected to the slide groove so that the limit block can slide and retract relative to the second mounting groove. This technical solution can provide a specific installation structure for the limit block and the second mounting groove, that is, the protrusion is provided on the side wall of the limit block, and the slide groove is provided in the second mounting groove. The protrusion is installed in the slide groove so that the limit block can slide and retract relative to the second mounting groove, and the protrusion slides along the slide groove, which has higher sliding efficiency and a simple and reliable sliding installation structure.

[0012] As an improvement, the side wall of the limit block is provided with a slide groove, and the second mounting groove is provided with a protrusion adapted to the slide groove. The slide groove and the protrusion are connected so that the limit block can slide and retract relative to the second mounting groove. This technical solution can also provide another specific installation structure of the limit block and the second mounting groove, that is, the side wall of the limit block is provided with a slide groove, and the protrusion is provided in the second mounting groove. The protrusion is installed in the slide groove so that the limit block can slide and retract relative to the second mounting groove, and the protrusion slides along the slide groove, which has higher sliding efficiency and a simple and reliable sliding installation structure.

[0013] As an improvement, the second mounting groove is provided with a receiving portion adapted for the elastic member, the elastic member being installed in the receiving portion and connected to the limit block. In this technical solution, the limiting mechanism is installed in the second mounting groove. By providing a receiving portion in the second mounting groove to install the elastic member, the elastic member is limited by the receiving portion to prevent displacement. One end of the elastic member abuts the inner wall of the second mounting groove, and the other end of the elastic member is connected to the limit block, making it more reliable in use.

[0014] As an improvement, the press riveting seat includes a first shell and a second shell, and the first shell and the second shell are connected by fasteners. In this technical solution, the press riveting seat is composed of the first shell and the second shell connected by fasteners, and the press riveting seat structure is simple and reliable.

[0015] As an improvement, the guide pin is installed between the first shell and the second shell, and the limit mechanism is installed in the first shell. In this technical solution, by providing a first installation groove between the first shell and the second shell to slide the guide pin, and providing a second installation groove in the first shell to install the limit mechanism, the structural distribution is reasonable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a partial structural diagram of a binding machine for this application.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the limiting mechanism in this application.

[0018] Figure 3 This is a partial structural diagram of the guide member in this application when it is in a sliding limit state.

[0019] Figure 4 For this application Figure 3 A local enlarged schematic diagram of point A in the middle.

[0020] Figure 5 This is a partial structural diagram of the guide member in this application when it is in a released limit state.

[0021] Figure 6 For this application Figure 5 A partial enlarged schematic diagram of point B in the middle.

[0022] Figure 7 This is a schematic diagram of the three-dimensional structure of the first shell in this application.

[0023] Figure 8 For this application Figure 7 A partial enlarged schematic diagram of point C in the middle.

[0024] As shown in the figure: 1. Rivet seat; 11. First mounting groove; 12. Second mounting groove; 121. Slide groove; 122. Accommodation portion; 13. First shell; 14. Second shell; 2. Guide pin; 3. Limiting mechanism; 31. Limiting block; 311. Guide arc surface; 312. Through hole; 313. Protrusion; 32. Elastic member; 4. Fastener. DETAILED DESCRIPTION

[0025] In order to better understand the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are merely descriptions of exemplary embodiments of the present application and are not intended to limit the scope of the present application in any way. Throughout the specification, the same reference numerals refer to the same elements.

[0026] In the drawings, the thickness, size and shape of objects have been slightly exaggerated for ease of explanation. The drawings are only examples and are not drawn strictly to scale.

[0027] It should also be understood that the terms "comprising," "including," "having," "containing," and "including," when used in this specification, indicate the presence of the described features, wholes, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components, and / or combinations thereof. The terms "first," "second," and the like are primarily used to distinguish between different devices, elements, or components (the specific types and configurations of which may be the same or different), and are not intended to indicate or imply the relative importance or quantity of the devices, elements, or components indicated. Unless otherwise specified, "plurality" means two or more.

[0028] In addition, it should be noted that the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be an internal connection between two devices, elements, or components; it can be directly set on another component or another intermediate component may exist at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the invention. The terms used in the description of the present invention herein are for the purpose of describing specific embodiments only and are not intended to limit the invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] like Figures 1 to 8As shown, the present application discloses a binding machine, including a riveting seat 1 and a guide pin 2. The guide pin 2 is slidably mounted on the riveting seat 1. The guide pin 2 slides downward on the riveting seat 1 to transport the rivet tube for riveting. After the riveting is completed, the guide pin 2 slides upward on the riveting seat 1 to move away from the bound document, so that the bound document can be taken out smoothly. A limiting mechanism 3 is movably mounted in the riveting seat 1. The limiting mechanism 3 abuts against the end of the guide pin 2 to limit the sliding movement of the guide pin 2. The limiting mechanism 3 is separated from the end of the guide pin 2 to release the limit on the guide pin 2. The limiting mechanism 3 is movably retractable in the riveting seat 1. 3 is movable and retractable to abut or disengage with the end of the guide pin 2. In order to prevent the guide pin 2 from falling off and affecting the working efficiency, a limiting mechanism 3 is added to the riveting seat 1, and the limiting mechanism 3 is movable and retractable in the riveting seat 1. The limiting mechanism 3 is extended and abutted with the end of the guide pin 2, so that the guide pin 2 slides downward and is limited. The limiting mechanism 3 is retracted and disengaged from the end of the guide pin 2, so that the guide pin 2 slides downward and is limited. The guide pin 2 is controlled to move up and down by the limiting mechanism 3, and the limiting of the guide pin 2 is more accurate and reliable. The limiting mechanism 3 has a simple structure and is labor-saving and reliable to use.

[0030] More specifically, Figure 2 As shown, the limiting mechanism 3 includes a limiting block 31 and an elastic member 32 connected to the limiting block 31. The limiting block 31 is maintained in an extended state by the elastic member 32. The limiting mechanism 3 is composed of the limiting block 31 and the elastic member 32. The limiting block 31 is maintained in an extended state by the elastic member 32, so that the limiting block 31 remains in contact with the end of the guide needle 2, and the limiting block 31 compresses the elastic member 32 when it is retracted under force. The limiting block 31 can be reset under the action of the elastic member 32. The limiting mechanism 3 has a simple and reliable structure.

[0031] More specifically, Figure 2 and Figure 4 As shown, the limit block 31 is provided with a guide arc surface 311 adapted to the end of the guide pin 2. The guide pin 2 is subjected to force so that the end moves along the guide arc surface 311, thereby driving the limit block 31 to retract, and the guide pin 2 passes through the limiting mechanism 3 to release the limit. By providing the guide arc surface 311 on the limit block 31, when the user needs to slide the guide pin 2 downward, the user applies force to the guide pin 2 to move the guide pin 2 downward, and the end of the guide pin 2 abuts against the guide arc surface 311 and moves along the guide arc surface 311. The limit block 31 is forced to retract under the action of the guide arc surface 311, so that the guide pin 2 can slide downward and pass through the limiting mechanism 3 to release the sliding limit. The design of the guide arc surface 311 makes the sliding unlocking smoother and more labor-saving, and the structural design is ingenious.

[0032] More specifically, Figure 2 and Figure 6As shown, a through hole 312 is provided on the limit block 31, which is adapted to the end of the guide needle 2. The limit block 31 is movably retracted to allow the guide needle 2 to slide through the through hole 312. By providing the through hole 312 on the limit block 31, when the limit block 31 is movably retracted, the guide needle 2 can slide downward through the through hole 312 to prevent interference from the limit hole, thereby improving the sliding efficiency.

[0033] More specifically, Figure 1 and Figure 7 As shown, a first mounting groove 11 adapted to the guide pin 2 is provided in the riveting seat 1, and the guide pin 2 is installed in the first mounting groove 11 so as to be able to slide back and forth along the length direction in the riveting seat 1. By providing the first mounting groove 11 in the riveting seat 1 to slide the guide pin 2, the guide pin 2 is accommodated in the first mounting groove 11 and one end of the guide pin 2 extends out of the riveting seat 1. The end of the guide pin 2 extending from the riveting seat 1 serves as the user's operating part for the user to apply force. The guide pin 2 can slide back and forth along the length direction of the first mounting groove 11 under force, thereby improving the sliding efficiency and making it more labor-saving and convenient to use.

[0034] More specifically, Figure 7 As shown, a second mounting groove 12 adapted to the limiting mechanism 3 is provided in the riveting seat 1, and the limiting block 31 is slidably installed in the second mounting groove 12. The second mounting groove 12 is vertically distributed with the first mounting groove 11. By providing a second mounting groove 12 in the riveting seat 1 to install the limiting mechanism 3, and providing a limiting block 31 to be slidably installed in the second mounting groove 12, the limiting block 31 is connected or disconnected with the end of the guide pin 2 by sliding and retracting in the second mounting groove 12, and the sliding efficiency is higher. The second mounting groove 12 is vertically distributed with the first mounting groove 11. After the limiting block 31 slides and extends along the second mounting groove 12, it can be directly inserted into the first mounting groove 11 to cooperate with the guide pin 2. The structural design is ingenious and reliable.

[0035] More specifically, Figure 2 、 Figure 4 、 Figure 6 and Figure 8 As shown, in this embodiment, a specific installation structure of the limit block 31 and the second mounting groove 12 can be provided, the side wall of the limit block 31 is provided with a protrusion 313, and the second mounting groove 12 is provided with a slide groove 121 adapted to the protrusion 313, the protrusion 313 is connected to the slide groove 121 so that the limit block 31 can slide and retract relative to the second mounting groove 12, that is, the protrusion 313 is provided on the side wall of the limit block 31, and the slide groove 121 is provided in the second mounting groove 12, and the limit block 31 is installed in the slide groove 121 by the protrusion 313 so that the limit block 31 can slide and retract relative to the second mounting groove 12, and the protrusion 313 slides along the slide groove 121, the sliding efficiency is higher, and the sliding installation structure is simple and reliable.

[0036] More specifically, Figure 2 、 Figure 4 、 Figure 6 and Figure 8 As shown, in this embodiment, another specific installation structure of the limit block 31 and the second mounting groove 12 can also be provided. The side wall of the limit block 31 is provided with a slide groove 121, and the second mounting groove 12 is provided with a protrusion 313 adapted to the slide groove 121. The slide groove 121 is connected to the protrusion 313 so that the limit block 31 can slide and retract relative to the second mounting groove 12, that is, the slide groove 121 is provided on the side wall of the limit block 31, and the protrusion 313 is provided in the second mounting groove 12. The protrusion 313 is installed in the slide groove 121 so that the limit block 31 can slide and retract relative to the second mounting groove 12, and the protrusion 313 slides along the slide groove 121, the sliding efficiency is higher, and the sliding installation structure is simple and reliable.

[0037] More specifically, Figure 2 and Figure 8 As shown, a receiving portion 122 adapted to the elastic member 32 is provided in the second mounting groove 12, the elastic member 32 is installed in the receiving portion 122 and is connected to the limit block 31, and the limiting mechanism 3 is installed in the second mounting groove 12. By providing the receiving portion 122 in the second mounting groove 12 to install the elastic member 32, the elastic member 32 is limited by the receiving portion 122 to prevent displacement, one end of the elastic member 32 abuts against the inner wall of the second mounting groove 12, and the other end of the elastic member 32 is connected to the limit block 31, which is more reliable to use.

[0038] More specifically, Figure 1 and Figure 7 As shown, the riveting seat 1 includes a first shell 13 and a second shell 14, and the first shell 13 and the second shell 14 are connected by a fastener 4. The riveting seat 1 is composed of the first shell 13 and the second shell 14 connected by the fastener 4. The riveting seat 1 has a simple and reliable structure; the guide pin 2 is installed between the first shell 13 and the second shell 14, and the limiting mechanism 3 is installed in the first shell 13. A first mounting groove 11 is set between the first shell 13 and the second shell 14 to slide the guide pin 2, and a second mounting groove 12 is set in the first shell 13 to install the limiting mechanism 3. The structural distribution is more reasonable and reliable.

[0039] This application is not limited to the above-mentioned optimal implementation method. Anyone can derive various other forms of products based on the inspiration of this application. However, no matter what changes are made in their shape or structure, any technical solution that is the same or similar to that of this application falls within the scope of protection of this application.

Claims

1. A binding machine, comprising a riveting seat (1) and a guide pin (2), wherein the guide pin (2) is slidably mounted on the riveting seat (1), and is characterized in that: A limiting mechanism (3) is movably installed in the rivet seat (1), and the limiting mechanism (3) abuts against the end of the guide needle (2) to limit the sliding of the guide needle (2). The limiting mechanism (3) is separated from the end of the guide needle (2) to release the limit on the guide needle (2). The limiting mechanism (3) is movably retractable in the rivet seat (1), and the limiting mechanism (3) abuts against or disengages from the end of the guide needle (2) through movably retracting.

2. A binding machine according to claim 1, characterized in that: The limiting mechanism (3) comprises a limiting block (31) and an elastic member (32) connected to the limiting block (31), and the limiting block (31) is kept in an extended state by the elastic member (32).

3. A binding machine according to claim 2, characterized in that: The limit block (31) is provided with a guide arc surface (311) adapted to the end of the guide needle (2). The guide needle (2) is subjected to force so that the end moves along the guide arc surface (311) to drive the limit block (31) to retract, and the guide needle (2) passes through the limit mechanism (3) to release the limit.

4. A binding machine according to claim 3, characterized in that: The limiting block (31) is provided with a through hole (312) adapted to the end of the guide needle (2), and the limiting block (31) is movable and retracted to allow the guide needle (2) to slide through the through hole (312).

5. The binding machine according to claim 2, characterized in that: A first mounting groove (11) adapted to the guide pin (2) is provided in the pressure riveting seat (1), and the guide pin (2) is installed in the first mounting groove (11) so as to be able to slide back and forth along the length direction in the pressure riveting seat (1).

6. The binding machine according to claim 5, characterized in that: The riveting seat (1) is provided with a second mounting groove (12) adapted to the limiting mechanism (3), the limiting block (31) is slidably installed in the second mounting groove (12), and the second mounting groove (12) and the first mounting groove (11) are vertically distributed.

7. A binding machine according to claim 6, characterized in that: The side wall of the limit block (31) is provided with a protrusion (313), and the second installation groove (12) is provided with a sliding groove (121) adapted to the protrusion (313). The protrusion (313) is connected to the sliding groove (121) so that the limit block (31) can slide and retract relative to the second installation groove (12).

8. The binding machine according to claim 6, characterized in that: The second installation groove (12) is provided with a receiving portion (122) adapted to the elastic member (32), and the elastic member (32) is installed in the receiving portion (122) and connected to the limiting block (31).

9. The binding machine according to claim 1, characterized in that: The pressure riveting seat (1) comprises a first shell (13) and a second shell (14), and the first shell (13) and the second shell (14) are connected by a fastener (4).

10. The binding machine according to claim 9, characterized in that: The guide needle (2) is installed between the first shell (13) and the second shell (14), and the limiting mechanism (3) is installed in the first shell (13).

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