CN114312096A - Glue-breaking cam group and glue binding machine - Google Patents
Glue-breaking cam group and glue binding machine Download PDFInfo
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- CN114312096A CN114312096A CN202210010699.4A CN202210010699A CN114312096A CN 114312096 A CN114312096 A CN 114312096A CN 202210010699 A CN202210010699 A CN 202210010699A CN 114312096 A CN114312096 A CN 114312096A
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Abstract
The invention discloses a glue breaking cam set and a glue binding machine, wherein the glue breaking cam set comprises a driving assembly, the driving assembly comprises a first output shaft and a second output shaft, and the second output shaft is sleeved with the first output shaft; the glue long cam is connected with the first output shaft, and the first output shaft drives the glue long 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 position cam to rotate relative to the rubber long cam; the transition cam is arranged between the long rubber cam and the zero position cam, the transition cam is sleeved on the second output shaft and can rotate relative to the second output shaft, and the long rubber cam can drive the transition cam to rotate relative to the zero position cam so as to adjust the contact ratio among the long rubber cam, the zero position cam and the convex edge of the transition cam. The technology of the invention aims to reduce ineffective gluing actions and improve gluing quality.
Description
Technical Field
The invention relates to the technical field of book glue 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 and exquisite book cannot leave a cementing device with stable performance. In the post-printing gluing and binding process, whether the glue of the book is full and uniform or not and whether the glue is broken accurately or not are one of the direct key factors influencing the forming quality of the book. The existing glue-breaking machine adapts to book spines with different lengths by adjusting the angle between the glue-breaking cam and the zero position cam, but the glue scraping plate of a book has frequent action, an invalid glue-spreading area exists between the glue-breaking cam and the zero position cam,
the above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a glue breaking cam group, aiming at reducing invalid glue coating action and improving glue coating quality.
In order to achieve the purpose, the glue breaking cam set provided by the invention comprises:
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 glue long cam is connected with the first output shaft, and the first output shaft drives the glue long cam to rotate so as to glue the book;
the second output shaft rotates relative to the first output shaft to drive the null cam to rotate relative to the rubber long cam;
the transition cam is arranged between the long rubber cam and the zero position cam, the transition cam is sleeved on the second output shaft and can rotate relative to the second output shaft, and the long rubber cam can drive the transition cam to rotate relative to the zero position cam so as to adjust the contact ratio among the convex edges of the long rubber cam, the zero position cam and the transition cam.
Further, the transition cam comprises a first cam, the long glue cam is provided with a first limit groove, the first cam is convexly provided with a first limit pin, the long glue cam drives the first cam to rotate through the cooperation of the first limit groove and the first limit pin, the first cam is further provided with a second limit groove, the zero-position cam is convexly provided with a second limit pin, and the second limit pin is limited in the second limit groove.
Furthermore, the transition cam comprises a second cam, the second cam is arranged between the first cam and the zero position cam, a third limit 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 limit groove and the third limit pin, a third limit groove is further formed in the second cam, and the second limit pin is limited in the third limit groove.
Furthermore, the transition cam comprises a third cam, the third cam is arranged between the second cam and the zero position 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.
Furthermore, the periphery of the second output shaft is provided with a limiting block, the zero position cam is provided with a rotating hole, the peripheral wall of the rotating hole is concavely provided with a clamping groove corresponding to the limiting block, and the second output shaft drives the zero position cam to rotate through the matching of the limiting block and the clamping groove.
Furthermore, the glue breaking cam set further comprises a shaft pin, one end of the shaft pin is located in the rotary hole, and a fastener penetrates through the shaft pin to be connected with the second output shaft so as to fix the zero position cam on the second output shaft.
Furthermore, an elastic sheet is clamped between the shaft pin and the zero position 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 rotatably connected with the reduction gearbox.
Furthermore, 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, the glue binding machine further comprises a glue breaking roller and a glue scraping plate, the glue breaking roller is abutted to the outer edges of the glue long cam, the transition cam and 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 to break glue.
In the technical scheme of the invention, the contact ratio between the convex edges of the zero position cam and the glue long cam is adjusted by rotating the first output shaft and the second output shaft when the initial positions are adjusted, so that the book spine length of books with different specifications is adapted, the application range is expanded, the transition cam is arranged between the glue long cam and the zero position cam, the low-position groove between the convex edges of the zero position cam and the glue long cam is prevented, the action frequency of the glue scraping plate is reduced, the glue scraping plate of a book only acts once, and the invalid glue coating action of the empty 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 used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a glue breaking cam set according to the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the adhesive binding machine of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of 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 a first output shaft 11 and a second output shaft 12, the first output shaft 11 is sleeved on 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 the book; the zero position cam 30 is used for driving the zero position cam 30 to rotate relative to the rubber long cam 20, and the second output shaft 12 rotates relative to the first output shaft 11; the transition cam 40 is arranged between the glue long cam 20 and the zero position 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 position cam 30 so as to adjust the contact ratio among convex edges of the glue long cam 20, the zero position cam 30 and the transition cam 40.
It should be noted that 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 on the edge. When the low level, disconnected gluey swing arm removes for the frictioning board is put and is glued, and when the high level, disconnected gluey swing arm makes the frictioning board remove, does not put gluey this moment. The length of the whole convex edge is changed by adjusting the contact ratio of the convex edges of the glue length cam 20, the zero position cam 30 and the transition cam 40, so that the corresponding angle of the low position is changed, and different spine lengths are adapted.
In the technical scheme of the invention, the contact ratio of the convex edges of the zero position cam 30 of the glue long cam 20 is adjusted by rotating the first output shaft 11 and the second output shaft 12 when the initial position is adjusted, so that the book spine length of books with different specifications is adapted, the application range is expanded, the transition cam 40 is arranged between the glue long cam 20 and the zero position cam 30, a low-position groove between the convex edges of the zero position cam 30 and the glue long cam 20 is prevented, the action frequency of the glue scraping plate 61 is reduced, the glue scraping plate 61 of a book is only actuated once, and the ineffective gluing action of a hollow window area caused by the low-position groove is further avoided.
In an embodiment, the transition cam 40 includes a first cam 41, the rubber long cam 20 is provided with a first limit groove 21, the first cam 41 is provided with a first limit pin 411 in a protruding manner, the rubber long cam 20 drives the first cam 41 to rotate through the cooperation of the first limit groove 21 and the first limit pin 411, the first cam 41 is further provided with a second limit groove 412, the zero-position cam 30 is provided with a second limit pin 31 in a protruding manner, and the second limit pin 31 is limited in the second limit 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 null-position cam 30, a third limit 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 the second limit groove 412 and the third limit pin 421, the second cam 42 is further provided with a third limit groove 422, and the second limit pin 31 is limited in the third limit groove 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 null-position cam 30, the second cam 42 has a fourth limit pin 431, the second cam 42 drives the third cam 43 to rotate through the cooperation of the third limit groove 422 and the fourth limit pin 431, the third cam 43 further has a fourth limit groove 432, and the second limit pin 31 is limited in the fourth limit groove 432.
In an embodiment, the periphery of the second output shaft 12 is provided with a limit block 121, the zero position cam 30 is provided with a rotation hole 32, a clamping groove is concavely provided on the peripheral wall of the rotation hole 32 corresponding to the limit block 121, the second output shaft 12 drives the zero position cam 30 to rotate through the cooperation of the limit block 121 and the clamping groove, it should be noted that 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, and therefore 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 drives the null cam 30 to rotate. The first position-limiting groove 21, the second position-limiting groove 412, the third position-limiting groove 422 and the fourth position-limiting groove 432 are all arc-shaped grooves.
In one embodiment, the glue breaking cam set 100 further comprises a shaft pin 18, one end of the shaft pin 18 is located in the rotation hole 32, and the fastener 16 passes through the shaft pin 18 to be connected with the second output shaft 12 so as to fix the zero position cam 30 to the second output shaft 12.
In an embodiment, an elastic sheet 17 is further interposed between the shaft pin 18 and the null cam 30, a clearance hole is formed in the elastic sheet 17 corresponding to the rotation hole 32, and the elastic sheet 17 is sleeved on one end of the shaft pin 18.
In one embodiment, the drive assembly 10 further comprises a reduction gearbox 15, and the first output shaft 11 and the second output shaft 12 are rotatably connected to the reduction gearbox 15.
In an embodiment, the driving assembly 10 further includes a first motor 13 and a second motor 14, the first motor 13 drives the first output shaft 11 to rotate through the reduction box 15, and the second motor 14 drives the second output shaft 12 to rotate through the reduction box 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 drives the null cam 30 to rotate through transmission. The glue length cam 20 rotates beyond a certain angle range (the first limiting groove 21 includes 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. Similarly, the first cam 41 rotates beyond a certain angle range (the second limit groove 412 includes an angle), and the second limit groove 412 drives the second cam 42 to rotate through the third limit pin 421 therein. Similarly, the second cam 42 rotates beyond a certain angle range (the third position-limiting groove 422 includes an angle), and the third position-limiting groove 422 pulls the third cam 43 to rotate through the fourth position-limiting pin 431 inside the third position-limiting groove 422. When the third cam 43 rotates within a certain angle range (the fourth limiting groove 432 includes an angle), one end of the fourth limiting groove 432 contacts and is limited by the second limiting pin 31, which is the maximum adjustment range.
The invention also provides a glue binding machine 600, wherein 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 against the glue long 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 long 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 embodiments, and since the glue binding machine 600 adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The specific gluing process comprises the following steps: the glue wheel 62 is immersed in the molten liquid hot melt glue in the glue pot 66 and rotates at a constant speed in the direction of the arrow around the glue wheel shaft. 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 the book moves forward at a constant speed. The linear velocity of the excircle of the rubber wheel 62 is equal to the book speed, and the rubber long cam 20 and the zero position cam 30 rotate for a circle to correspondingly move for the length of one book end. The glue breaking roller 67 is tightly attached to the outer curve profile surface of the glue breaking cam group 100 to follow up, so that the first swing arm 651 is driven 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 to reciprocate to open and close through the swing shaft 653. Along with the swinging or closing of the glue scraping plate 61, the hot melt glue solution brought in by the rotation of the glue wheel 62 accumulated in the closed area enclosed by the glue scraping plate 61, the second swing arm 652, the glue wheel 62 and the glue box 63 regularly adheres to the upper half part of the excircle shaft of the glue wheel 62 along with the cam and is coated on the book spine passing above the glue wheel to form a glue 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) is used for complementing the empty window area of the far rest curve between the zero position cam 30 and the glue length cam 20, so that an invalid gluing action is avoided, the glue scraping plate 61 only acts once, and the invalid gluing action of the empty window area is not existed, so that the book glue scraping plate is suitable for a high-speed machine, the glue coating glue layer is more full and uniform, and the book back is more attractive in forming.
The gluing area is adjusted through the zero-position passing cam 30, the glue long cam 20 and the transition cam, so that the gluing device is suitable for books with wider specification range; and through the swing or the closure of the frictioning plate 61, the accumulation of the hot melt adhesive liquid in the closed area enclosed by the frictioning plate 61, the second swing arm 652, the rubber wheel 62 and the rubber box 63 is fuller.
According to the invention, the mutual angle between the zero position cam 30 and the glue length cam 20 is adjusted by the first motor 13 and the second click motor, and the angles are amplified by the large reduction ratio of the reduction gearbox 15, so that the division is extremely accurate, and the glue breaking accuracy is high. And the angle of adjustment of the servo motor can be timely intervened, 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 product in which the invention is practiced to achieve all of the above-described advantages at the same time.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A glue breaking cam group is characterized by 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 glue long cam is connected with the first output shaft, and the first output shaft drives the glue long cam to rotate so as to glue the book;
the second output shaft rotates relative to the first output shaft to drive the null cam to rotate relative to the rubber long cam;
the transition cam is arranged between the long rubber cam and the zero position cam, the transition cam is sleeved on the second output shaft and can rotate relative to the second output shaft, and the long rubber cam can drive the transition cam to rotate relative to the zero position cam so as to adjust the contact ratio among the convex edges of the long rubber cam, the zero position cam and the transition cam.
2. The glue breaking cam set as claimed in claim 1, wherein the transition cam includes a first cam, the glue long cam defines a first limit groove, the first cam is protruded with a first limit pin, the glue long cam drives the first cam to rotate through cooperation between the first limit groove and the first limit pin, the first cam further defines a second limit groove, the zero cam is protruded with a second limit pin, and the second limit pin is limited in the second limit groove.
3. The glue breaking cam set as claimed in claim 2, wherein the transition cam includes a second cam, the second cam is disposed between the first cam and the zero-position cam, a third limit pin is disposed on a side of the second cam facing the first cam, the first cam drives the second cam to rotate through the second limit groove and the third limit pin, the second cam further includes a third limit groove, and the second limit pin is limited in the third limit groove.
4. The glue breaking cam set as claimed in claim 3, wherein the transition cam includes a third cam, the third cam is disposed between the second cam and the zero cam, the second cam is provided with a fourth limit pin, the second cam drives the third cam to rotate through cooperation between the third limit groove and the fourth limit pin, the third cam is further provided with a fourth limit groove, and the second limit pin is limited in the fourth limit groove.
5. The glue breaking cam set as claimed in claim 1, wherein a limit block is disposed on a periphery of the second output shaft, the zero position cam is provided with a rotation hole, a clamping groove is concavely disposed on a peripheral wall of the rotation hole corresponding to the limit block, and the second output shaft drives the zero position cam to rotate through cooperation of the limit block and the clamping groove.
6. The glue break cam set as recited in claim 5, further comprising a shaft pin, wherein one end of the shaft pin is located in the rotation hole, and a fastener passes through the shaft pin to connect with the second output shaft to secure the null cam to the second output shaft.
7. The glue breaking cam set as claimed in claim 6, wherein an elastic sheet is further sandwiched between the shaft pin and the zero position cam, the elastic sheet is provided with a position avoiding hole corresponding to the rotation hole, and the elastic sheet is sleeved at one end of the shaft pin.
8. The glue breaking cam set as claimed in claim 1, wherein the drive assembly further comprises a reduction gearbox, and the first output shaft and the second output shaft are rotatably connected to the reduction gearbox.
9. The set of glue breaking cams as recited in claim 8, wherein the drive assembly further comprises a first motor and a second motor, the first motor driving the first output shaft to rotate through the reduction gearbox, the second motor driving the second output shaft to rotate through the reduction gearbox.
10. A glue binding machine is characterized by comprising the glue breaking cam group according to any one of claims 1 to 9, and further comprising a glue breaking roller and a glue scraping plate, wherein the glue breaking roller is abutted to 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 to break glue.
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 |
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| Publication Number | Publication Date |
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| CN114312096A true CN114312096A (en) | 2022-04-12 |
| CN114312096B CN114312096B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210010699.4A Active CN114312096B (en) | 2022-01-06 | 2022-01-06 | Adhesive breaking cam group and adhesive binding machine |
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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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| CN104723719A (en) * | 2013-12-24 | 2015-06-24 | 赵中奎 | Binding machine device for adjusting gum cutting length without halting |
| CN112776500A (en) * | 2020-12-30 | 2021-05-11 | 深圳精密达智能机器有限公司 | Cam glue breaking device based on planetary gear train |
| 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 |
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| JPH05215201A (en) * | 1992-02-07 | 1993-08-24 | Shinagawa Tsushin Keiso Service:Yugen | Cam form varying mechanism and continuous starching machine using the same |
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| Publication number | Publication date |
|---|---|
| CN114312096B (en) | 2023-06-02 |
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