CN114312096B - Adhesive breaking cam group and adhesive binding machine - Google Patents
Adhesive breaking cam group and adhesive binding machine Download PDFInfo
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- CN114312096B CN114312096B CN202210010699.4A CN202210010699A CN114312096B CN 114312096 B CN114312096 B CN 114312096B CN 202210010699 A CN202210010699 A CN 202210010699A CN 114312096 B CN114312096 B CN 114312096B
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Abstract
The invention discloses a glue breaking cam group and a glue binding machine, wherein the glue breaking cam group comprises a driving assembly, the driving assembly comprises a first output shaft and a second output shaft, and the first output shaft is sleeved on the second output shaft; the long glue cam is connected with the first output shaft, and the first output shaft drives the long glue cam to rotate so as to glue the book; the zero cam, the second output shaft rotates relative to the first output shaft, in order to drive the zero cam to rotate relative to the long cam of glue; the transition cam is arranged between the rubber long cam and the zero cam, is sleeved on the second output shaft and can rotate relative to the second output shaft, and the rubber long cam can drive the transition cam to rotate relative to the zero cam so as to adjust the coincidence ratio among convex edges of the rubber long cam, the zero cam and the transition cam. The invention aims to reduce ineffective gluing actions and improve gluing quality.
Description
Technical Field
The invention relates to the technical field of book binding equipment, in particular to a glue breaking cam group and a glue binding machine.
Background
Books are important carriers for transferring cultural knowledge, and a high-quality exquisite book cannot leave a piece of performance-stable cementing equipment. In the post-printing adhesive binding process, whether the book is full and even in adhesive coating and whether the adhesive breaking is accurate are one of the direct key factors influencing the forming quality of the books. The existing glue cutting machine adopts the adjustment of the angle between the glue cutting cam and the zero cam to adapt to the spines with different lengths, but the glue scraping plate of the book is frequent in action, and an ineffective glue coating area exists between the glue cutting cam and the zero cam,
the foregoing is merely provided to facilitate an understanding of the principles of the present application and is not admitted to be prior art.
Disclosure of Invention
The invention aims to provide a broken rubber cam group, which aims to reduce invalid rubber coating actions and improve rubber coating quality.
In order to achieve the above object, the present invention provides a glue breaking cam set comprising:
the driving assembly comprises a first output shaft and a second output shaft, and the first output shaft is sleeved on the second output shaft;
the long glue cam is connected with the first output shaft, and the first output shaft drives the long glue cam to rotate so as to glue the book;
the second output shaft rotates relative to the first output shaft so as to drive the zero cam to rotate relative to the glue length cam;
the transition cam is arranged between the rubber long cam and the zero cam, the transition cam is sleeved on the second output shaft and can rotate relative to the second output shaft, and the rubber long cam can drive the transition cam to rotate relative to the zero cam so as to adjust the contact ratio among the rubber long cam, the zero cam and the convex edges of the transition cam.
Further, the transition cam comprises a first cam, a first limit groove is formed in the long rubber cam, a first limit pin is arranged on the first cam in a protruding mode, the long rubber cam drives the first cam to rotate through the cooperation of the first limit groove and the first limit pin, a second limit groove is further formed in the first cam, a second limit pin is arranged on the zero cam in a protruding mode, and the second limit pin is limited in the second limit groove.
Further, the transition cam comprises a second cam, the second cam is arranged between the first cam and the zero cam, a third limiting pin is arranged on one side, facing the first cam, of the second cam, the first cam drives the second cam to rotate through the second limiting groove and the third limiting pin, a third limiting groove is further formed in the second cam, and the second limiting pin is limited in the third limiting groove.
Further, the transition cam comprises a third cam, the third cam is arranged between the second cam and the zero cam, the second cam is provided with a fourth limiting pin, the second cam drives the third cam to rotate through the cooperation of the third limiting groove and the fourth limiting pin, the third cam is further provided with a fourth limiting groove, and the second limiting pin is limited in the fourth limiting groove.
Further, a limiting block is arranged on the periphery of the second output shaft, a rotating hole is formed in the zero cam, a clamping groove is concavely formed in the peripheral wall of the rotating hole corresponding to the limiting block, and the second output shaft drives the zero cam to rotate through the cooperation of the limiting block and the clamping groove.
Further, the glue breaking cam group further comprises a shaft pin, one end of the shaft pin is located in the rotating hole, and a fastener penetrates through the shaft pin to be connected with the second output shaft so as to fix the zero cam to the second output shaft.
Further, an elastic sheet is further clamped between the shaft pin and the zero cam, a position avoiding hole is formed in the elastic sheet corresponding to the rotating hole, and the elastic sheet is sleeved at one end of the shaft pin.
Further, the driving assembly further comprises a reduction gearbox, and the first output shaft and the second output shaft are rotationally connected with the reduction gearbox.
Further, the driving assembly further comprises a first motor and a second motor, the first motor drives the first output shaft to rotate through the reduction gearbox, and the second motor drives the second output shaft to rotate through the reduction gearbox.
The invention also provides a glue binding machine which comprises the glue breaking cam group, a glue breaking roller and a glue scraping plate, wherein the glue breaking roller is abutted with the glue long cam, the transition cam and the outer edge of the zero cam, the glue scraping plate is connected with the glue breaking roller through a glue breaking swing arm, and the glue long cam rotates to drive the glue scraping plate to move for glue breaking.
According to the technical scheme, the zero position cam and the glue length cam are adjusted through rotation of the first output shaft and the second output shaft, and the superposition ratio between the convex edges of the zero position cam and the glue length cam is adjusted when the initial position is adjusted, so that the book spine length of books of different specifications is adapted, the application range is enlarged, the transition cam is arranged between the glue length cam and the zero position cam, the low-position groove between the zero position cam and the convex edge of the glue length cam is prevented, the number of times of the action of the glue scraping plate is reduced, the glue scraping plate of a book only acts once, and ineffective glue spreading action of a blank window area caused by the low-position groove is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of a breaking cam assembly according to the present invention;
fig. 2 is a schematic structural view of an embodiment of the adhesive binding machine of the present invention.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a glue breaking cam set 100.
Referring to fig. 1 and 2, the glue breaking cam set 100 includes: the driving assembly 10, the driving assembly 10 includes the first output shaft 11 and second output shaft 12, the first output shaft 11 is set up in the second output shaft 12; the glue long cam 20, the glue long cam 20 is connected with the first output shaft 11, and the first output shaft 11 drives the glue long cam 20 to rotate so as to glue a book; the zero cam 30, the second output shaft 12 rotates relative to the first output shaft 11, so as to drive the zero cam 30 to rotate relative to the glue length cam 20; the transition cam 40 is arranged between the glue long cam 20 and the zero cam 30, the transition cam 40 is sleeved on the second output shaft 12 and can rotate relative to the second output shaft 12, and the glue long cam 20 can drive the transition cam 40 to rotate relative to the zero cam 30 so as to adjust the contact ratio among convex edges of the glue long cam 20, the zero cam 30 and the transition cam 40.
The glue length cam 20, the zero position cam 30 and the transition cam 40 are coaxially arranged, and the edge is provided with a convex edge, so that a high position and a low position are formed at the edge. When in a low position, the glue breaking swing arm moves to enable the glue scraping plate to discharge glue, and when in a high position, the glue breaking swing arm enables the glue scraping plate to move, and glue is not discharged at the moment. The length of the whole convex edge is changed by adjusting the coincidence ratio of the convex edges of the glue length cam 20, the zero position cam 30 and the transition cam 40, so that the angle corresponding to the low position is changed, and the spine length is adapted to different spine lengths.
In the technical scheme of the invention, the zero position cam 30 of the glue long cam 20 is adjusted through the rotation of the first output shaft 11 and the second output shaft 12, and the superposition ratio between the convex edges of the two is adjusted when the initial position is adjusted, so that the book spine length of books with different specifications is adapted, the application range is enlarged, the transition cam 40 is arranged between the glue long cam 20 and the zero position cam 30, the low-position groove between the zero position cam 30 and the convex edge of the glue long cam 20 is prevented, the action times of the glue scraping plate 61 are reduced, the glue scraping plate 61 of a book is only acted once, and the ineffective glue spreading action of a blank window area caused by the low-position groove is avoided.
In an embodiment, the transition cam 40 includes a first cam 41, the long glue cam 20 is provided with a first limiting groove 21, the first cam 41 is convexly provided with a first limiting pin 411, the long glue cam 20 drives the first cam 41 to rotate through the cooperation of the first limiting groove 21 and the first limiting pin 411, the first cam 41 is further provided with a second limiting groove 412, the zero cam 30 is convexly provided with a second limiting pin 31, and the second limiting pin 31 is limited in the second limiting groove 412.
In an embodiment, the transition cam 40 includes a second cam 42, the second cam 42 is disposed between the first cam 41 and the zero cam 30, a third limiting pin 421 is disposed on a side of the second cam 42 facing the first cam 41, the first cam 41 drives the second cam 42 to rotate through a second limiting slot 412 and the third limiting pin 421, the second cam 42 is further provided with a third limiting slot 422, and the second limiting pin 31 is limited in the third limiting slot 422.
In an embodiment, the transition cam 40 includes a third cam 43, the third cam 43 is disposed between the second cam 42 and the zero cam 30, the second cam 42 is provided with a fourth limiting pin 431, the second cam 42 drives the third cam 43 to rotate through cooperation of the third limiting groove 422 and the fourth limiting pin 431, the third cam 43 is further provided with a fourth limiting groove 432, and the second limiting pin 31 is limited in the fourth limiting groove 432.
In an embodiment, the periphery of the second output shaft 12 is provided with a limiting block 121, the zero cam 30 is provided with a rotating hole 32, the peripheral wall of the rotating hole 32 is provided with a clamping groove corresponding to the limiting block 121, the second output shaft 12 drives the zero cam 30 to rotate through the cooperation of the limiting block 121 and the clamping groove, and it should be noted that the through holes formed in the first cam 41, the second cam 42 and the third cam 43 are larger than the diameter of the second output shaft 12, so that the three are sleeved on the second output shaft 12, but do not rotate along with the second output shaft 12. That is, the second output shaft 12 only rotates the zero cam 30. The first limiting groove 21, the second limiting groove 412, the third limiting groove 422 and the fourth limiting groove 432 are arc-shaped grooves.
In one embodiment, the glue shut off cam set 100 further includes a pin 18 with one end of the pin 18 positioned within the pivot hole 32 and the fastener 16 coupled to the second output shaft 12 through the pin 18 to secure the zero cam 30 to the second output shaft 12.
In an embodiment, an elastic piece 17 is further sandwiched between the shaft pin 18 and the zero cam 30, the elastic piece 17 is provided with a clearance hole corresponding to the rotation hole 32, and the elastic piece 17 is sleeved at one end of the shaft pin 18.
In one embodiment, the drive assembly 10 further comprises a reduction gearbox 15, the first output shaft 11 and the second output shaft 12 being in rotational connection with the reduction gearbox 15.
In an embodiment, the driving assembly 10 further includes a first motor 13 and a second motor 14, where the first motor 13 drives the first output shaft 11 to rotate through the reduction gearbox 15, and the second motor 14 drives the second output shaft 12 to rotate through the reduction gearbox 15.
The working principle of the invention is as follows: the first motor 13 drives the glue long cam 20 to rotate through transmission. The second motor 14 rotates the zero cam 30 by transmission. The glue long cam 20 rotates beyond a certain angle range (the first limiting groove 21 comprises an angle), and the first limiting groove 21 drives the first cam 41 to rotate through the first limiting pin 411 inside the first limiting groove 21. Similarly, the first cam 41 rotates beyond a certain angle range (the second limiting groove 412 includes an angle), and the second limiting groove 412 rotates the second cam 42 through the third limiting pin 421 inside the second limiting groove 412. Similarly, the second cam 42 rotates beyond a certain angle range (the third limiting groove 422 includes an angle), and the third limiting groove 422 rotates the third cam 43 through the fourth limiting pin 431 inside the third limiting groove 422. When the third cam 43 rotates by a certain angle range (the fourth limit groove 432 includes an angle), one end of the fourth limit groove 432 contacts with and is limited by the second limit pin 31, which is the maximum adjustment range.
The invention also provides a glue binding machine 600, the glue binding machine 600 comprises the glue breaking cam group 100, the glue binding machine 600 further comprises a glue breaking roller 67 and a glue scraping plate 61, the glue breaking roller 67 is abutted with the glue length cam 20, the transition cam 40 and the outer edge of the zero position cam 30, the glue scraping plate 61 is connected with the glue breaking roller 67 through a glue breaking swing arm, and the glue length cam 20 rotates to drive the glue scraping plate 61 to move for glue breaking. The specific structure of the glue breaking cam set 100 refers to the above embodiment, and since the present glue binding machine 600 adopts all the technical solutions of all the embodiments, at least has all the beneficial effects brought by the technical solutions of the embodiments, and will not be described in detail herein.
The specific gluing process is as follows: the glue wheel 62 is immersed in the molten liquid hot melt glue in the glue pot 66 and rotates at a constant speed about the glue wheel axis in the direction of the arrow. After the initial included angle between the zero-position cam 30 and the glue long cam 20 is set, the glue long cam 20 and the zero-position cam 30 rotate at a constant speed along the arrow direction and simultaneously the book advances at a constant speed. The outer circular line speed of the rubber wheel 62 is equal to the book speed, and the rubber long cam 20 and the zero cam 30 rotate for one circle to correspondingly pass through the length of one book end. The glue breaking roller 67 is tightly attached to the outer curve contour surface of the glue breaking cam group 100 to follow, so as to drive the first swing arm 651 to swing, the first swing arm 651 drives the second swing arm 652 to swing through the transmission roller 64, and the second swing arm 652 drives the glue scraping plate 61 fixedly connected to the second swing arm 652 to swing in a reciprocating mode through the swing shaft 653. Along with the swinging or closing of the scraping plate 61, the hot melt adhesive liquid brought by the rotation of the glue wheel 62 piled up in the closed area surrounded by the scraping plate 61, the second swing arm 652, the glue wheel 62 and the glue box 63 is regularly adhered to the upper half part of the outer circle shaft of the glue wheel 62 along with the cam and coated on the book back passing above the upper half part to form an adhesive layer.
The invention has the following beneficial effects:
according to the invention, the transition cam 40 (the first cam 41, the second cam 42 and the third cam 43) complements the blank window area of the far rest curve between the zero cam 30 and the long glue cam 20, so that invalid glue spreading action is avoided, the glue scraping plate 61 of the book only acts once, and the invalid glue spreading action of the blank window area is not existed, so that the glue spreading machine is suitable for a high-speed machine, the glue spreading layer is full and uniform, and the book back is formed more attractive.
The glue spreading area is adjusted through the zero-crossing cam 30, the glue length cam 20 and the transition cam, so that the book size range is wider; and through the swinging or closing of the scraping plate 61, the hot melt glue solution is accumulated more fully in the enclosed area surrounded by the scraping plate 61, the second swing arm 652, the glue wheel 62 and the glue box 63.
According to the invention, the first motor 13 and the second click motor which are mutually angled between the zero cam 30 and the glue long cam 20 are used for adjustment, and the first click motor and the second click motor are amplified by the large reduction ratio of the reduction gearbox 15, so that the indexing and the precision are high, and the glue breaking precision is high. And the servo motor adjusting angle can be inserted in time, so that the online non-stop adjustment is realized, the operation is convenient, and the production efficiency of the machine is greatly improved.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (5)
1. A broken rubber cam set, comprising:
the driving assembly comprises a first output shaft and a second output shaft, and the first output shaft is sleeved on the second output shaft; the driving assembly further comprises a reduction gearbox, and the first output shaft and the second output shaft are rotationally connected with the reduction gearbox; the driving assembly further comprises a first motor and a second motor, the first motor drives the first output shaft to rotate through the reduction gearbox, and the second motor drives the second output shaft to rotate through the reduction gearbox;
the long glue cam is connected with the first output shaft, and the first output shaft drives the long glue cam to rotate so as to glue the book;
the second output shaft rotates relative to the first output shaft so as to drive the zero cam to rotate relative to the glue length cam;
the transition cam is arranged between the rubber long cam and the zero cam, is sleeved on the second output shaft and can rotate relative to the second output shaft, and can drive the transition cam to rotate relative to the zero cam so as to adjust the contact ratio among the rubber long cam, the zero cam and the convex edges of the transition cam;
the transition cam comprises a first cam, a first limit groove is formed in the rubber long cam, a first limit pin is arranged on the first cam in a protruding mode, the rubber long cam drives the first cam to rotate through the cooperation of the first limit groove and the first limit pin, a second limit groove is formed in the first cam, a second limit pin is arranged on the zero cam in a protruding mode, and the second limit pin is limited in the second limit groove;
the transition cam comprises a second cam, the second cam is arranged between the first cam and the zero cam, a third limiting pin is arranged on one side, facing the first cam, of the second cam, the first cam drives the second cam to rotate through the second limiting groove and the third limiting pin, the second cam is further provided with a third limiting groove, and the second limiting pin is limited in the third limiting groove;
the transition cam comprises a third cam, the third cam is arranged between the second cam and the zero cam, the third cam is provided with a fourth limiting pin, the second cam drives the third cam to rotate through the cooperation of the third limiting groove and the fourth limiting pin, the third cam is further provided with a fourth limiting groove, and the second limiting pin is limited in the fourth limiting groove.
2. The broken rubber cam group according to claim 1, wherein a limiting block is arranged on the periphery of the second output shaft, a rotating hole is formed in the zero cam, a clamping groove is concavely formed in the peripheral wall of the rotating hole corresponding to the limiting block, and the second output shaft drives the zero cam to rotate through the cooperation of the limiting block and the clamping groove.
3. The break cam assembly of claim 2, further comprising a pin having an end positioned within the pivot hole, a fastener passing through the pin and coupled to the second output shaft to secure the zero cam to the second output shaft.
4. The broken rubber cam set according to claim 3, wherein an elastic piece is further clamped between the shaft pin and the zero cam, a clearance hole is formed in the elastic piece corresponding to the rotation hole, and the elastic piece is sleeved at one end of the shaft pin.
5. A glue binding machine, characterized by comprising the glue breaking cam set according to any one of claims 1 to 4, further comprising a glue breaking roller and a glue scraping plate, wherein the glue breaking roller is abutted with the glue long cam, the transition cam and the outer edge of the zero position cam, the glue scraping plate is connected with the glue breaking roller through a glue breaking swing arm, and the glue long cam rotates to drive the glue scraping plate to move for glue breaking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210010699.4A CN114312096B (en) | 2022-01-06 | 2022-01-06 | Adhesive breaking cam group and adhesive binding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210010699.4A CN114312096B (en) | 2022-01-06 | 2022-01-06 | Adhesive breaking cam group and adhesive binding machine |
Publications (2)
| Publication Number | Publication Date |
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| CN114312096A CN114312096A (en) | 2022-04-12 |
| CN114312096B true CN114312096B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210010699.4A Active CN114312096B (en) | 2022-01-06 | 2022-01-06 | Adhesive breaking cam group and adhesive binding machine |
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| CN (1) | CN114312096B (en) |
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| CN104589829A (en) * | 2014-12-29 | 2015-05-06 | 安徽华印机电股份有限公司 | Adhesive applying and interrupting device of adhesive binding interlocking machine |
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| CN2468728Y (en) * | 2001-03-15 | 2002-01-02 | 上海紫光机械有限公司 | Apparatus for applying glue to bookbinding with scraper for round disc type book securing machine |
| ATE516966T1 (en) * | 2006-06-30 | 2011-08-15 | Mueller Martini Holding Ag | GLUE UNIT FOR BOOK BLOCKS WITH ADJUSTABLE SQUEEGEE |
| CN102463760B (en) * | 2010-11-11 | 2013-09-25 | 上海紫光机械有限公司 | Automatic side adhesive breaking device for adhesive binding machine |
| CN201950983U (en) * | 2010-12-21 | 2011-08-31 | 上海紫光机械有限公司 | Adhesive applying length control mechanism for adhesive applying device of adhesive binding machine |
| CN202200679U (en) * | 2011-07-29 | 2012-04-25 | 新乡市布克机械有限公司 | Glue cutting-off mechanism of glue pot |
| CN104723719B (en) * | 2013-12-24 | 2016-06-08 | 赵中奎 | Cementing machine is not shut down gum and is cut glue length adjuster |
| CN104723718B (en) * | 2013-12-24 | 2016-07-27 | 赵中奎 | Cementing machine is not shut down limit glue and is cut glue length adjuster |
| CN104588259B (en) * | 2014-12-29 | 2017-02-01 | 安徽华印机电股份有限公司 | Adhesive applying mechanism of adhesive binding interlocking machine |
| CN112791902A (en) * | 2020-12-30 | 2021-05-14 | 深圳精密达智能机器有限公司 | Motor-driven glue breaking device for glue binding machine |
| CN112776500B (en) * | 2020-12-30 | 2023-11-14 | 深圳精密达智能机器有限公司 | Cam glue breaking device based on planetary gear train |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05215201A (en) * | 1992-02-07 | 1993-08-24 | Shinagawa Tsushin Keiso Service:Yugen | Cam form varying mechanism and continuous starching machine using the same |
| CN104589829A (en) * | 2014-12-29 | 2015-05-06 | 安徽华印机电股份有限公司 | Adhesive applying and interrupting device of adhesive binding interlocking machine |
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| CN114312096A (en) | 2022-04-12 |
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