CN210851736U

CN210851736U - Thread-bound type file binding machine with improved thread threading needle

Info

Publication number: CN210851736U
Application number: CN201921101517.4U
Authority: CN
Inventors: 周添星
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-06-26
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses an improve line dress formula archives book-binding machine of threading needle, the upper end of threading needle has a direction pointed end, the upper portion of threading needle has a string hook, the string hook sets up in direction pointed end below and is close to the direction pointed end, the middle part of threading needle has a longitudinal extension's needle body, the lower part of threading needle is fixed with the fixed part, the relative left and right sides of needle body shaping respectively has an arc along the longitudinal extension of length direction of needle body to put the wire casing, the upper portion of putting the wire casing extends to the string hook at least, the utility model discloses a line needle simple structure, and structural strength does not fall the adverse rise, effectively avoid the threading needle appear warping after the atress, phenomenons such as crooked and sway, avoid appearing the firing pin, the aperture of binding the round hole is less than 5mm even and is less than 3 mm's binding round hole realization automatic threading, and threading process is more smooth and easy simultaneously.

Description

Thread-bound type file binding machine with improved thread threading needle

Technical Field

The utility model belongs to the technical field of thread-bound archives binding machine technique and specifically relates to a thread-bound archives binding machine who improves threading needle is related to.

Background

The thread binding type file binding machine drills out a plurality of binding round holes on a binding file fixed on a file binding platform of the binding machine through a drill of a drilling device, then pushes a binding thread accommodated in a thread placing groove of the binding machine into a thread penetrating needle through a thread pushing mechanism, drives the thread penetrating needle to move upwards through a threading driving mechanism, pulls the binding thread to penetrate through the binding round holes of the binding file through the thread penetrating needle, and in the threading process, two thread segments of the binding thread are tensioned on two sides of the thread penetrating needle and protrude on two sides of the thread penetrating needle.

However, in the new binding specification or the new binding requirement of the user for the document, the binding round hole formed in the bound document is required to be smaller than 5mm, even smaller than 3mm, while the diameter of the thread used for the binding of the thread-bound file binding machine at present is generally not smaller than 1mm, which requires the diameter of the thread-threading needle to be reduced. However, if the diameter of the threading needle corresponding to the binding round hole of 5mm is less than 3mm, the hook formed at the end of the threading needle is too small to hook the binding thread; the diameter of the threading needle corresponding to the binding round hole of 3mm is less than 1mm, and a hook body cannot be formed on the threading needle. In addition, since the length of the threading needle is generally 12 to 15mm, the length of the threading needle is relatively long, and if the diameter of the threading needle is less than 3mm, the structural strength of the threading needle is insufficient, and during the up-and-down movement of the threading needle, particularly during the threading process, the threading needle is deformed, bent and swung after being stressed, and a striker is generated, which is not allowed, so that improvement is necessary.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art existence, the utility model aims at providing an improve line dress formula archives book-binding machine of threading needle, the utility model discloses can be on binding the file smoothly the threading in the binding round hole that relative aperture is littleer, specifically be less than 5mm in the aperture, even the aperture is less than 3 mm's binding round hole and realize automatic threading, and the threading smoothly does not block the line.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a thread-bound file binding machine with improved thread threading needle comprises a machine frame, a file binding platform is arranged in the middle of the machine frame, a drilling device capable of moving up and down is slidably mounted above and/or below the file binding platform, the drilling device is provided with at least one drilling motor and a drill cutter driven by the drilling motor to rotate, a threading device capable of moving up and down is slidably mounted above and/or below the file binding platform, at least one thread threading needle is fixed on the threading device, the upper end of the thread threading needle is provided with a guide tip part, the upper part of the thread threading needle is provided with a thread hanging hook, the thread hanging hook is arranged below the guide tip part and is adjacent to the guide tip part, the middle part of the thread threading needle is provided with a needle body extending longitudinally, the lower part of the thread threading needle is fixed with a fixing part, and the left side and the right side opposite to the needle body are respectively provided with an arc thread placing groove extending longitudinally along the, the upper part of the wire placing groove at least extends to the wire hanging hook and is used for accommodating the binding wire.

In a further technical scheme, the thread hanging hook is a groove body which is arranged on the upper portion of the needle body and transversely penetrates through the needle body, an opening is formed in the outer side of the thread hanging hook relative to the needle body to form a thread inlet, an arc-shaped guide surface is arranged on the upper portion of the thread hanging hook, and a hook body is arranged on the lower portion of the thread hanging hook and used for hanging a binding thread in a threading process.

In a further technical scheme, the cross section of the needle body is 8-shaped or I-shaped, the front side and the rear side of the needle body are opposite arc surfaces, and the left side and the right side of the needle body are opposite inwards concave arc grooves.

In a further technical scheme, the maximum vertical distance between the bottom surface of the wire placing groove and the outer circumferential contour line of the needle body is set as the radial depth of the wire placing groove, the wire diameter of the binding wire is-1 mm larger than the radial depth, and the width of an opening of the wire placing groove is 0.5-2 mm larger than the wire diameter of the binding wire.

In a further technical scheme, the maximum vertical distance between the bottom surface of the wire placing groove and the outer circumferential contour line of the needle body is set as the radial depth of the wire placing groove, the wire diameter of the binding wire is 0-1 mm larger than the radial depth, and the width of an opening of the wire placing groove is 0.5-2 mm larger than the wire diameter of the binding wire.

In a further technical scheme, when the binding wire is accommodated in the wire accommodating groove, the binding wire is completely accommodated in the inner part of the outer circumferential contour line of the needle body.

In a further technical scheme, the threading needle comprises a needle body which is formed by processing a cylindrical rod body, the relative front side surface and the back side surface of the needle body are arc-shaped surfaces, the relative left side surface and the right side surface of the needle body are provided with arc-shaped grooves, the upper part of the needle body is integrally formed with a guide tip part, the lower part of the needle body is integrally formed with a fixing part, and the wire placing groove penetrates through the guide tip part, the needle body and the fixing part from top to bottom.

In a further technical scheme, the drilling device is slidably mounted above the file binding platform, the threading device is slidably mounted below the file binding platform, the threading needle is located right below the corresponding drill, the drill is a hollow circular drill, and the lower wall body of the drill is provided with a circular cutting edge.

Compared with the prior art, the utility model the advantage that has is:

1. the utility model discloses can be on binding the file the smooth and easy threading in the less binding round hole in relative aperture, specifically be less than 5mm in the aperture, the aperture is less than 3 mm's binding round hole even and realizes automatic threading, and the threading is smooth and easy not block the line.

2. The threading needle of relative ratio same diameter, the utility model discloses a thread needle simple structure, and structural strength does not fall and rises conversely, and the structural strength of threading needle is higher relatively, effectively avoids the threading needle to appear warping, crooked and phenomenon such as sway after the atress, avoids appearing the firing pin, and the threading process is more smooth and easy simultaneously, can not block the line, can not break the binding line at the threading process.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the thread-bound file binding machine of the present invention.

Fig. 2 is a schematic structural view of the threading device of the present invention.

Fig. 3 is a schematic structural view of the threading needle of the present invention.

Fig. 4 is a top view of the threading needle of the present invention.

Fig. 5 is a schematic structural view of the thread placing groove in which the binding thread is completely accommodated in the thread passing needle.

The labels in the figure are:

1. frame 2, drill 3, file binding platform.

4. A threading device 41, a threading needle 42, a guide tip part 43, a needle body 44, a thread hanging hook 45, a fixing part 46 and a thread placing groove.

Detailed Description

The following are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby.

The utility model provides a line dress formula archives binding machine of improvement threading needle, shown in fig. 1 to 5, including frame 1, the middle part of frame 1 is provided with file binding platform 3, slidable mounting has the drilling equipment that can reciprocate in the top of file binding platform 3 andor below, drilling equipment installs at least one drilling motor and one by drilling motor drive rotatory drill bit 2, slidable mounting has the threading device 4 that can reciprocate in the top of file binding platform 3 andor below, threading device 4 is fixed with at least one threading needle 41.

Specifically, the drilling device is slidably mounted above the file binding platform 3, three drill cutters 2 are transversely mounted on the drilling device at intervals, the drill cutters 2 are hollow circular drill cutters 2, and the lower wall bodies of the drill cutters 2 are provided with annular cutting edges for drilling three binding circular holes in the bound files at one time. The threading device 4 is arranged below the file binding platform 3 in a sliding mode, three threading needles 41 are transversely arranged on the threading device 4 at intervals, and the three threading needles 41 are respectively positioned right below the three corresponding drill knives 2.

In the preferred embodiment, the upper end of the threading needle 41 has a guiding tip 42, the upper portion of the threading needle 41 has a thread hanging hook 44, the thread hanging hook 44 is disposed below the guiding tip 42 and adjacent to the guiding tip 42, the middle portion of the threading needle 41 has a longitudinally extending needle body 43, the lower portion of the threading needle 41 is fixed with a fixing portion 45, the opposite left and right sides of the needle body 43 are respectively formed with an arc-shaped thread placing groove 46 longitudinally extending along the length direction of the needle body 43, and the upper portion of the thread placing groove 46 at least extends to the thread hanging hook 44 for accommodating the binding thread. The utility model discloses can be on binding the file the smooth and easy threading in the less binding round hole in relative aperture, specifically be less than 5mm in the aperture, the aperture is less than 3 mm's binding round hole even and realizes automatic threading, and the threading is smooth and easy not block the line.

Specifically, the threading needle 41 includes a needle body 43 formed by processing a cylindrical rod body, having circular arc-shaped opposite front and rear side surfaces and arc-shaped grooves formed on opposite left and right sides, a guide tip portion 42 integrally formed on an upper portion of the needle body 43, a fixing portion 45 integrally formed on a lower portion of the needle body 43, and a thread placement groove 46 vertically penetrating through the guide tip portion 42, the needle body 43 and the fixing portion 45. Threading needle 41 simple structure, easily processing, the length of relative ratio the same diameter is 12cm at least for threading needle 41, especially is less than under the condition of 4cm when threading needle 41's diameter, the utility model discloses a threading needle 41's structural strength is higher relatively, therefore the utility model discloses a threading needle 41's structural strength does not fall and rises conversely, avoids threading needle 41 to appear warping, bending and phenomenon such as sway after the atress, avoids appearing the firing pin, and the threading process is more smooth and easy simultaneously, can not the card line, can not break the binding line at the threading process.

The cross-sectional shape of the needle body 43 is 8-shaped or i-shaped, the front and rear opposite sides of the needle body 43 are arc surfaces, the left and right opposite sides of the needle body 43 are concave arc grooves, and in the threading process, the binding thread is completely accommodated inside the outer circumferential contour line of the needle body 43 when being accommodated in the thread accommodating groove 46. The utility model discloses a needle body 43 structure, the outer diameter of needle body 43 is less than the binding round hole of binding file 0 ~ 0.2mm, just can pass through smoothly, and the binding line can not the chucking between the outer circumferential wall of threading needle 41 and the inner wall of binding round hole, and the cell body that transversely runs through needle body 43 is seted up on the upper portion of needle body 43 to the string hook 44, and the outside of the relative needle body 43 of string hook 44 sets the opening into, forms one and goes into the line mouth, and the upper portion of string hook 44 is provided with curved guide face, and the lower part of string hook 44 is provided with a coupler body for hang the binding line at the threading in-process, the utility model discloses a special design's needle body 43.

In a preferred embodiment, the maximum vertical distance between the bottom surface of the thread placing groove 46 and the outer circumferential contour line of the needle body 43 is set as the radial depth of the thread placing groove 46, and the thread diameter of the binding thread is-1 to 1mm greater than the radial depth, and in a preferred embodiment, the maximum vertical distance between the bottom surface of the thread placing groove 46 and the outer circumferential contour line of the needle body 43 is set as the radial depth of the thread placing groove 46, and the thread diameter of the binding thread is 0 to 1mm greater than the radial depth. The width of the opening of the wire placing groove 46 is 0.5 to 2mm larger than the wire diameter of the binding wire, and in a preferred embodiment, the width of the opening of the wire placing groove 46 is 0.5 to 1mm larger than the wire diameter of the binding wire.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides an improve line dress formula archives binding machine of threading needle, which comprises a frame (1), the middle part of frame (1) is provided with file binding platform (3), there is the drilling equipment that can reciprocate in the top of file binding platform (3) and with below slidable mounting, drilling equipment installs at least one drilling motor and one by drilling motor drive rotatory drilling tool (2), the top of file binding platform (3) and with below slidable mounting have threading device (4) that can reciprocate, threading device (4) are fixed with at least one threading needle (41), its characterized in that: the upper end of threading needle (41) has a direction pointed end portion (42), the upper portion of threading needle (41) has a string hook (44), string hook (44) set up below direction pointed end portion (42) and be close to direction pointed end portion (42), the middle part of threading needle (41) has a needle body (43) of longitudinal extension, the lower part of threading needle (41) is fixed with fixed part (45), the relative left and right sides of needle body (43) respectively the shaping have one along the length direction longitudinal extension's of needle body (43) curved line groove (46) of putting, the upper portion of putting line groove (46) extends to string hook (44) at least, be used for the holding binding line.

2. The thread-bound file binding machine with improved threading needle according to claim 1, characterized in that: the thread hanging hook (44) is a groove body which is arranged at the upper part of the needle body (43) and transversely penetrates through the needle body (43), the thread hanging hook (44) is provided with an opening relative to the outer side of the needle body (43) to form a thread inlet, the upper part of the thread hanging hook (44) is provided with an arc-shaped guide surface, and the lower part of the thread hanging hook (44) is provided with a hook body used for hanging binding threads in the threading process.

3. The thread-bound file binding machine with improved threading needle according to claim 1, characterized in that: the cross-sectional shape of needle body (43) is 8 font or I-shaped, and the relative front and back both sides of needle body (43) are the arc surface, and the relative left and right sides of needle body (43) is inside sunken curved recess.

4. The thread-bound file binding machine with improved threading needle according to claim 1, characterized in that: the maximum vertical distance between the bottom surface of the wire placing groove (46) and the outer circumference contour line of the needle body (43) is set as the radial depth of the wire placing groove (46), the wire diameter of the binding wire is-1 mm larger than the radial depth, and the width of the opening of the wire placing groove (46) is 0.5-2 mm larger than the wire diameter of the binding wire.

5. The thread-bound file binding machine with improved threading needle according to claim 1, characterized in that: the maximum vertical distance between the bottom surface of the wire placing groove (46) and the outer circumference contour line of the needle body (43) is set as the radial depth of the wire placing groove (46), the wire diameter of the binding wire is 0-1 mm larger than the radial depth, and the width of the opening of the wire placing groove (46) is 0.5-2 mm larger than the wire diameter of the binding wire.

6. The thread-bound file binding machine with improved threading needle according to claim 1, characterized in that: when the binding wire is accommodated in the wire accommodating groove (46), the binding wire is completely accommodated in the inner part of the outer circumferential contour line of the needle body (43).

7. The thread-bound file binding machine with improved threading needle according to any one of claims 1 to 6, characterized in that: threading needle (41) include one by the processing of the barred body of cylindrical shape form, relative front and back both sides face for the arc-shaped surface and relative left and right sides set up the arc recess needle body (43), the upper portion integrated into one piece of needle body (43) has one direction pointed end (42), the lower part integrated into one piece of needle body (43) have one fixed part (45), put wire casing (46) and run through direction pointed end (42), needle body (43) and fixed part (45) from top to bottom.

8. The thread-bound file binding machine with improved threading needle as claimed in claim 7, characterized in that: the drilling device is slidably mounted above the file binding platform (3), the threading device (4) is slidably mounted below the file binding platform (3), the threading needle (41) is located under the drill (2) correspondingly, and the drill (2) is provided with a circular cutting edge on the wall body of the lower part of the drill (2) and the hollow circular drill (2).