Local glue scraping device for glue spreading roller on shell pasting machine

Abstract

The utility model discloses a local glue scraping device for a glue spreading roller on a shell pasting machine, which comprises the glue spreading roller positioned on the shell pasting machine, the local glue scraping device for the glue spreading roller is arranged on the shell pasting machine, the local glue scraping device comprises a cross rod, a sliding block and a glue scraper, the cross rod is arranged on the shell pasting machine, the sliding block is arranged on the cross rod in a sliding manner, and the glue scraper is arranged on the sliding block. The sliding block is locked on the transverse rod through a bolt, the fixed end of the glue scraper is installed on the sliding block, and the working end of the glue scraper abuts against the roller face of the feeding side of the glue spreading roller. The local glue scraping device can prevent glue on the glue coating roller from being coated on a middle seam of a book case when a case pasting machine is used for gluing the book case, the middle seam of the book case without the glue cannot be hardened due to glue solidification, the flexibility of the middle seam can still be kept, the middle seam is prevented from being extruded to be broken when the middle seam is extruded by a hardcover line pressing groove, and the quality and the attractiveness of a hardcover book are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of shell pasting machines, in particular to a local glue scraping device for a glue coating roller on a shell pasting machine. Background Art

[0002] The book cover gluer is a commonly used equipment for making hardcover book covers. Its working process is to glue the cardboard and book cover paper into a hardcover book cover with glue. The hardcover book cover is made of three parts, the front and back cardboards and the spine warp cardboard, and the book cover paper. The distance between the front and back cardboards and the spine warp is generally 10 mm wide, which is called the book cover seam. The materials used as book cover paper are varied, and can be coated paper, leather, or various fine papers. There are many types of fine paper, and the flexibility of the paper varies greatly. The more ideal book cover paper is generally coated paper or fine paper with good flexibility.

[0003] In actual production, we also encounter book cover paper with poor flexibility. After the book cover is glued, pasted, formed and dried, the middle seam becomes dry and hard. After the book cover and the book core are pasted together, the middle seam (usually 10 mm wide) needs to be squeezed through the hardcover line pressing groove, which will be squeezed and rotten at the middle seam. Utility Model Content

[0004] The utility model aims to provide a local glue scraping device for a glue coating roller on a book cover pasting machine, so as to solve the problem that the middle seam of a book cover becomes dry and hard after being glued, pasted, formed and dried, and is squeezed and rotten at the middle seam after being pressed by a hardcover line pressing groove.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A local glue scraping device for a glue coating roller on a shell pasting machine comprises a glue coating roller located on the shell pasting machine, the shell pasting machine is equipped with a local glue scraping device for the glue coating roller, the local glue scraping device comprises a cross bar, a slider and a glue scraper, the cross bar is installed on the shell pasting machine, the slider is slidably installed on the cross bar, and the slider is locked on the cross bar by bolts, the fixed end of the glue scraper is installed on the slider, and the working end of the glue scraper is pressed against the roller surface of the feeding side of the glue coating roller.

[0007] A further technical solution is: the scraper includes a torsion ring, a connecting rod and a scraper head, the fixed end of the torsion ring is connected to the slider, one end of the connecting rod is installed on the rotating end of the torsion ring, and the scraper head is installed on the other end of the connecting rod.

[0008] A further technical solution is: the torque ring includes an inner ring, an outer ring and a spring, the inner ring is installed on the slider, the outer ring is rotatably installed on the inner ring, the spring is installed in the accommodating cavity between the outer ring and the inner ring, and the spring is pressed against the outer ring and the inner ring respectively.

[0009] A further technical solution is: the scraper head includes a shell and a scraper plate, the shell is installed on the outer end of the connecting rod, the scraper plate is installed on the shell, and the shell is tightly pressed against the roller surface on the feeding side of the glue coating roller.

[0010] A further technical solution is that the cross section and the working surface of the scraper plate are both arc-shaped structures.

[0011] A further technical solution is: an air outlet is provided on the shell, and an air inlet end of the air outlet is connected to an external hot air source.

[0012] A further technical solution is that a polygonal sliding fit structure is provided between the cross bar and the sliding block.

[0013] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0014] The utility model provides a local glue scraping device for a glue coating roller on a cover gluing machine. The local glue scraping device can prevent the glue on the glue coating roller from being coated on the middle seam of the book cover when the cover gluing machine is gluing the book cover. The middle seam of the book cover without glue will not become hard due to the curing of the glue and can still maintain its softness, thereby preventing the book cover from being squeezed and rotten at the middle seam when passing through the hardcover line pressing groove, thereby ensuring the quality and aesthetics of the hardcover book. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a structural schematic diagram of a local glue scraping device for a glue coating roller on a shell pasting machine.

[0016] Figure 2 For this utility model Figure 1 Schematic diagram of the structure of the local scraping device.

[0017] Figure 3 For this utility model Figure 1 Schematic diagram of the structure of the middle scraper.

[0018] Figure 4 It is a structural schematic diagram of the rubber scraper head in the utility model 1.

[0019] Figure numerals: 1. crust pasting machine; 2. Glue coating roller; 3. Local glue scraping device; 4. Cross bar; 5. Sliding block; 6. Glue scraper; 7. Torsion ring; 8. Connecting rod; 9. Glue scraping head; 10. Inner ring; 11. Outer ring; 12. Spring; 13. Shell; 14. Glue scraping plate; 15. Air outlet. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features thereof may be combined with each other.

[0023] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0024] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Embodiment 1:

[0027] In this embodiment, Figure 1 As shown, a local glue scraping device for a glue coating roller on a shell pasting machine comprises a glue coating roller 2 located on the shell pasting machine 1, a local glue scraping device 3 for the glue coating roller 2 is installed on the shell pasting machine 1, the local glue scraping device 3 comprises a cross bar 4, a slider 5 and a glue scraper 6, the cross bar 4 is installed on the shell pasting machine 1, the slider 5 is slidably installed on the cross bar 4, and the slider 5 is locked on the cross bar 4 by bolts, the fixed end of the glue scraper 6 is installed on the slider 5, and the working end of the glue scraper 6 is pressed against the roller surface of the glue coating roller 2 on the feeding side.

[0028] The cross bar 4 is moved back and forth to change the position of the slider 5, and then the position of the glue scraper 6 relative to the glue roller 2 is adjusted by the slider 5 to ensure that the glue scraper 6 can remove the local glue on the glue roller 2 relative to the middle seam of the book case. After the book case enters from the feeding side of the glue roller 2, there is no glue in the middle seam of the book case. The middle seam of the book case without glue will not harden due to the curing of the glue, and it can still maintain its softness, preventing it from being squeezed and broken at the middle seam when passing through the hardcover line pressing groove, thereby ensuring the quality and aesthetics of the hardcover books.

[0029] Embodiment 2:

[0030] Based on the above embodiments, this embodiment Figure 2 As shown, the scraper 6 includes a torsion ring 7, a connecting rod 8 and a scraper head 9. The fixed end of the torsion ring 7 is connected to the slider 5, one end of the connecting rod 8 is installed on the rotating end of the torsion ring 7, and the scraper head 9 is installed on the other end of the connecting rod 8.

[0031] Torsion ring 7 can always provide torque to connecting rod 8, ensure that scraping glue head 9 is always pressed against glue coating roller 2, and effectively scrape off glue. In addition, scraping glue head 9 is located at the feeding side of glue coating roller 2 and is lower than the highest point of glue coating roller 2 roller surface.

[0032] Embodiment three:

[0033] Based on the above embodiments, this embodiment Figure 3 As shown, the torque ring 7 includes an inner ring 10, an outer ring 11 and a spring 12. The inner ring 10 is mounted on the slider 5, the outer ring 11 is rotatably mounted on the inner ring 10, the spring 12 is mounted in the accommodating cavity between the outer ring 11 and the inner ring 10, and the spring 12 is pressed against the outer ring 11 and the inner ring 10 respectively.

[0034] The inner ring 10 is fixed, and the outer ring 11 can rotate within a certain angle on the inner ring 10 . The spring 12 is used to play an elastic blocking role on the outer ring 11 , providing a certain torque to press the scraper head 9 against the glue coating roller 2 .

[0035] Embodiment 4:

[0036] Based on the above embodiments, this embodiment Figure 4 As shown, the rubber scraping head 9 includes a shell 13 and a rubber scraping plate 14 . The shell 13 is mounted on the outer end of the connecting rod 8 , and the rubber scraping plate 14 is mounted on the shell 13 . The shell 13 is pressed against the roller surface of the feeding side of the rubber coating roller 2 .

[0037] The scraper plate 14 is always pressed against the glue roller 2 to partially remove the glue on the glue roller 2 to prevent the middle seam of the book cover from contacting the glue.

[0038] Preferably, the cross section and working surface of the scraper plate 14 are both arc-shaped structures.

[0039] The cross section and working surface of the scraper plate 14 are both arc-shaped structures, which can remove the glue on the glue coating roller 2 more cleanly.

[0040] Preferably, an air outlet 15 is provided on the housing 13, and an air inlet end of the air outlet 15 is connected to an external hot air source.

[0041] The hot air is blown onto the glue roller 2 through the air outlet 15, on the one hand, to heat the shell 13 to prevent the low-temperature shell 13 from adhering and solidifying a lot of glue; on the other hand, to prevent the glue on the glue roller 2 from solidifying or hardening and being difficult to scrape off. The main purpose is to ensure the glue removal effect.

[0042] Preferably, a polygonal sliding fit structure is provided between the cross bar 4 and the slider 5 .

[0043] The polygonal sliding fit structure can be: the crossbar 4 is a triangular bar or a quadrilateral bar, etc., and the slider 5 is provided with a triangular groove or a quadrilateral groove that matches the triangular bar or the quadrilateral bar, etc., so as to facilitate the slider 5 to slide back and forth stably along the axial direction of the glue coating roller 2 and ensure that it does not rotate in the circumferential direction.

[0044] The working process of the utility model is as follows: the cross bar 4 is moved back and forth to change the position of the slider 5, and then the position of the glue scraper 6 relative to the glue roller 2 is adjusted by the slider 5. The torsion ring 7 can always provide torque to the connecting rod 8 to ensure that the glue scraper head 9 is always pressed against the glue roller 2 to effectively scrape off the glue. In addition, the glue scraper head 9 is located on the feeding side of the glue roller 2 and is lower than the highest point of the roller surface of the glue roller 2, ensuring that the glue scraper 6 can remove the local glue on the glue roller 2 relative to the middle seam of the book case. After the book case enters from the feeding side of the glue roller 2, there is no glue in the middle seam of the book case. The middle seam of the book case without glue will not harden due to the curing of the glue, and it can still maintain its softness, preventing it from being squeezed and rotten at the middle seam when it passes through the hardcover line pressing groove, thereby ensuring the quality and aesthetics of the hardcover books.

[0045] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A local scraping device for a glue coating roller on a shell pasting machine, comprising a glue coating roller (2) located on the shell pasting machine (1), characterized in that: The shell pasting machine (1) is provided with a local glue scraping device (3) for the glue coating roller (2), the local glue scraping device (3) comprising a cross bar (4), a slider (5) and a glue scraper (6), the cross bar (4) being installed on the shell pasting machine (1), the slider (5) being slidably installed on the cross bar (4), and the slider (5) being locked on the cross bar (4) by bolts, the fixed end of the glue scraper (6) being installed on the slider (5), and the working end of the glue scraper (6) being pressed against the roller surface of the feeding side of the glue coating roller (2).

2. The local glue scraping device for the glue coating roller on the shell gluer according to claim 1, characterized in that: The rubber scraper (6) comprises a torsion ring (7), a connecting rod (8) and a rubber scraper head (9); the fixed end of the torsion ring (7) is connected to the slider (5); one end of the connecting rod (8) is mounted on the rotating end of the torsion ring (7); and the rubber scraper head (9) is mounted on the other end of the connecting rod (8).

3. The local glue scraping device for the glue coating roller on the shell gluer according to claim 2, characterized in that: The torque ring (7) comprises an inner ring (10), an outer ring (11) and a spring (12); the inner ring (10) is mounted on the slider (5); the outer ring (11) is rotatably mounted on the inner ring (10); the spring (12) is mounted in a receiving cavity between the outer ring (11) and the inner ring (10); and the spring (12) is respectively pressed against the outer ring (11) and the inner ring (10).

4. The local glue scraping device for the glue coating roller on the shell gluer according to claim 2, characterized in that: The rubber scraping head (9) comprises a shell (13) and a rubber scraping plate (14); the shell (13) is mounted on the outer end of the connecting rod (8); the rubber scraping plate (14) is mounted on the shell (13); and the shell (13) is tightly pressed against the roller surface of the feeding side of the rubber coating roller (2).

5. The local glue scraping device for the glue coating roller on the shell gluer according to claim 4, characterized in that: The cross section and working surface of the scraper plate (14) are both arc-shaped structures.

6. The local glue scraping device for the glue coating roller on the shell gluer according to claim 4, characterized in that: An air outlet hole (15) is provided on the shell (13), and an air inlet end of the air outlet hole (15) is connected to an external hot air source.

7. The local glue scraping device for the glue coating roller on the shell gluer according to claim 1, characterized in that: A polygonal sliding fit structure is provided between the crossbar (4) and the sliding block (5).

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