Spine roughening equipment for book cementing

Abstract

The invention relates to the technical field of wireless adhesive binding, in particular to book spine roughening equipment for book adhesive binding, which comprises a base, a conveyor mounted on the base, a sliding mechanism mounted on the conveyor, two sliding plates symmetrically mounted on the sliding mechanism, a main gathering plate slidably connected to the sliding plates, and an auxiliary gathering plate rotatably connected to the main gathering plate. When the sliding plate gets close to paper on the conveyor, the main gathering plate and the auxiliary gathering plate can define a square frame shape to limit the paper, and the main gathering plate and the auxiliary gathering plate can drive the paper to shake in the process that the sliding plate is driven by the sliding mechanism to move. Paper on the conveyor is limited in the square frame defined by the main gathering plate and the auxiliary gathering plate, a shaking space is reserved for the paper, then the paper moves forwards and backwards or backwards uniformly under the inertia effect through shaking of the square frame, and it is ensured that the paper is in an aligned state when entering the roughening process.

Description

Technical Field

[0001] The invention relates to the technical field of perfect binding, in particular to a book spine roughening device for book binding. Background Art

[0002] Perfect binding is a printing process that uses glue to glue the book core without wire or thread, and is an automatic binding method from book output to completion. The process flow is roughly as follows: collating, feeding, milling the back, roughening, side gluing, book back gluing, cover wrapping, molding, glue cooling, double-linking, slitting, cutting the finished product, stacking the blanks, inspecting the finished product, and bundling. Among them, roughening the spine is a key process. The spine surface is roughened by a grinding wheel, brush or knife to form small grooves or scratches, which can increase the surface area and roughness of the spine, making it easier for glue to penetrate and adhere to the paper fibers, thereby improving the bonding strength.

[0003] In the actual book production process, the book production process is usually carried out on an automated conveyor line. During the conveying process, the paper is usually in a relatively loose state, and because the paper needs to be conveyed in the front and back directions, a device for positioning the paper front and back is usually not provided. The conveyor line only installs guide plates on both sides to prevent the paper from tilting left and right. However, during the conveying process, the paper is affected by factors such as mechanical vibration, and some of the paper will tilt back and forth or stagger left and right. When the dislocated paper enters the roughening process, the roughening wheel roughens the surface of the spine. At this time, the actual number of papers contacting the grinding wheel and the pressure are unbalanced, resulting in unstable roughening effect, which in turn causes the glue to not penetrate, pages to fall off or loose pages to occur in the bound books, affecting the overall quality and service life of the books. Therefore, there is an urgent need to provide a spine roughening device that can prevent the paper from being misplaced when entering the roughening process. Summary of the invention

[0004] In order to overcome the shortcomings of the prior art that misplaced paper will lead to unstable roughening effect during the roughening process, affecting the overall quality and service life of the book, the purpose of the present invention is to provide a spine roughening device for book binding that can prevent paper from being misplaced when entering the roughening process.

[0005] Technical solution: A book spine roughening device for book binding, including a base, a conveyor installed on the base, a sliding mechanism installed on the conveyor, two slides symmetrically installed on the sliding mechanism, a main gathering plate slidably connected to the slide, and a secondary gathering plate rotatably connected to the main gathering plate. When the slide approaches the paper on the conveyor, the main gathering plate and the secondary gathering plate will enclose a square shape to restrict the paper. When the slide drives the slide to move, the main gathering plate and the secondary gathering plate will cause the paper to shake. A roughening mechanism for roughening the book spine is arranged on the upper side of the conveyor.

[0006] As an improvement to the above solution, the sliding mechanism includes a conveying rod, which is fixedly connected to the conveyor. An electric sliding seat is slidably connected to the conveying rod, and a sliding plate is installed on the electric sliding seat.

[0007] As an improvement to the above solution, the hair-removing mechanism includes a motor, which is fixedly installed on the upper side of the conveyor. A hair-removing wheel is fixedly connected to the output shaft of the motor, and hair-removing rods are fixedly connected to the hair-removing wheel.

[0008] As an improvement to the above solution, it further includes a torsion bar for driving the secondary closing plate to rotate. The torsion bar is fixedly connected to the rotating shaft of the secondary closing plate, and torsion springs are sleeved on the rotating shafts of the secondary closing plates. The two ends of the torsion springs are respectively fixedly connected to the main closing plate and the torsion bar. A blocking rod is slidably connected to the electric sliding seat through a centering rod, and a first spring is sleeved on the centering rod. The first spring is used to keep the blocking rod in the centered position, so that the blocking rod and the torsion bar can be squeezed and matched to drive the secondary closing plate to rotate. A synchronous clamping plate is fixedly connected to the main closing plate, and the blocking rod can be stuck in the channel on the synchronous clamping plate to follow the synchronous vibration of the main closing plate.

[0009] As an improvement to the above solution, it further includes an enclosing mechanism for driving the main closing plate to approach the paper. The enclosing mechanism includes a main pushing plate, and the main pushing plate is slidably connected to the base through a support. A third spring is sleeved on the guiding rod of the main pushing plate. A guiding rod is fixedly connected to the electric sliding seat, and both sliding plates are slidably connected to the guiding rod. A second spring for pushing the two sliding plates away from each other is sleeved on the guiding rod. Secondary pushing plates are fixedly connected to both main closing plates. When the electric sliding seat moves along the paper conveying direction, the main pushing plate will squeeze the secondary pushing plate inward, and when the electric sliding seat moves in the reverse direction, the secondary pushing plate will squeeze the main pushing plate downward.

[0010] As an improvement to the above solution, a first inclined surface is provided on the secondary pushing plate, and a second inclined surface is provided on the main pushing plate. The second inclined surface is used to squeeze the first inclined surface to drive the secondary pushing plate to move inward. A third inclined surface is provided on the secondary pushing plate, and a fourth inclined surface is provided on the main pushing plate. The third inclined surface is used to squeeze the fourth inclined surface downward to drive the main pushing plate to move downward.

[0011] As an improvement to the above solution, it further includes a shaking mechanism for driving the main closing plate to shake. The shaking mechanism includes a support rod, and a rack is fixedly connected to the base through the support rod. A gear and a turntable are coaxially rotatably connected to the sliding plate. A sliding rod is fixedly connected to the eccentric position at the upper end of the turntable. A sliding connection plate is slidably connected to the sliding plate, and the sliding connection plate is fixedly connected to the adjacent main closing plate. The sliding rod is slidably connected in the linear slideway on the sliding connection plate.

[0012] As an improvement to the above solution, it further includes a lower guard plate and an upper guard plate for guiding. The two lower guard plates are symmetrically fixedly connected to the conveyor, and the two upper guard plates are fixedly connected to the base through brackets.

[0013] As an improvement to the above solution, it further includes a clamping plate for gathering the spine to facilitate napping. The clamping plate is slidably connected to the upper guard plate, and a fourth spring is sleeved on the guide rod of the clamping plate.

[0014] As an improvement to the above solution, it further includes an upper top plate and a lower top plate for driving the clamping plate to rise. The upper top plate is fixedly connected to the clamping plate, the lower top plate is fixedly connected to the sliding plate, and the lower top plate is used to squeeze the upper top plate upward.

[0015] Beneficial effects: This device restricts the paper on the conveyor within the square formed by the main gathering plate and the auxiliary gathering plate, and leaves a shaking space for the paper. Then, by shaking the square, the paper is uniformly moved forward and backward or backward under the action of inertia, ensuring that the paper is in an aligned state when entering the napping process, avoiding paper misalignment, and thus enabling the napping rod to evenly contact the spine surface and improving the stability of the napping effect.

[0016] This device makes the sliding plate and the main gathering plate approach the paper through the extrusion cooperation of the main pushing plate and the auxiliary pushing plate. At the same time, by blocking the torsion rod with the blocking rod, the auxiliary gathering plate rotates, and thus the main gathering plate and the auxiliary gathering plate are enclosed into a square shape to restrict the paper.

[0017] This device drives the turntable to rotate through the meshing of the gear and the rack. The sliding rod on the turntable pushes the main gathering plate to reciprocate and shake in the front-back direction through the sliding connection plate, thereby realizing the function of driving the square to shake.

[0018] This device pushes the clamping plate to rise through the extrusion cooperation of the lower top plate and the upper top plate, so that the upper side of the paper can be in a gathered state during napping, facilitating the full contact between the napping rod and the paper and ensuring the napping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 It is a schematic diagram of the positional relationship of the electric sliding seat of the present invention.

[0021] Figure 3 It is a schematic diagram of the positional relationship of the turntable of the present invention.

[0022] Figure 4 It is a schematic diagram of the torsion rod structure of the present invention.

[0023] Figure 5 It is a schematic diagram of the enclosed state of the main gathering plate and the auxiliary gathering plate of the present invention.

[0024] Figure 6 It is a schematic diagram of the main pushing plate and the auxiliary pushing plate of the present invention.

[0025] Figure 7 It is a schematic diagram of the paper misalignment situation of the present invention.

[0026] Names of the reference numerals in the figure: 10 - base, 11 - conveyor, 12 - slide plate, 13 - main gathering plate, 14 - auxiliary gathering plate, 15 - conveying rod, 16 - electric slide base, 20 - paper, 30 - torsion rod, 31 - torsion spring, 32 - stop rod, 33 - centering rod, 34 - first spring, 35 - synchronous clamping plate, 40 - main pushing plate, 41 - auxiliary pushing plate, 42 - guide rod, 43 - second spring, 44 - support, 45 - third spring, 46 - first inclined plane, 47 - second inclined plane, 48 - third inclined plane, 49 - fourth inclined plane, 50 - support rod, 51 - rack, 52 - gear, 53 - turntable, 54 - slide rod, 55 - sliding connection plate, 60 - lower guard plate, 61 - upper guard plate, 62 - clamping plate, 63 - fourth spring, 64 - upper top plate, 65 - lower top plate, 70 - roughening wheel, 71 - roughening rod, 72 - motor. Detailed implementation mode

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0028] Embodiment 1: A spine roughening device for book binding, as Figures 1 - 5 and Figure 7 shown, comprising a base 10, a conveyor 11, a slide plate 12, a main gathering plate 13, an auxiliary gathering plate 14, a sliding mechanism and a roughening mechanism. A conveyor 11 is installed on the base 10, and a conveyor belt for conveying paper 20 is provided on the conveyor 11. The conveyor 11 is an existing technical device. A sliding mechanism is installed on the conveyor 11, and two slide plates 12 are symmetrically installed on the sliding mechanism. The two slide plates 12 are located on the left and right sides of the conveyor 11. The opposite ends of the two slide plates 12 are slidably connected with a main gathering plate 13 in the front-rear direction. Two auxiliary gathering plates 14 are symmetrically rotatably connected to each main gathering plate 13, but the heights of the auxiliary gathering plates 14 on the two main gathering plates 13 are different. When the slide plate 12 approaches the paper 20 on the conveyor 11, the auxiliary gathering plate 14 will rotate, so that the main gathering plate 13 and the auxiliary gathering plate 14 enclose a square shape. When the sliding mechanism drives the slide plate 12 to move along the conveying direction of the conveyor 11, the main gathering plate 13 will reciprocally vibrate to vibrate the loose paper 20 through the auxiliary gathering plate 14. A roughening mechanism for roughening the spine is provided above the conveyor 11.

[0029] As Figure 2 and Figure 3As shown in the figure, the sliding mechanism includes a conveying rod 15 and an electric slide 16. Two conveying rods 15 are symmetrically and fixedly connected to the lower side of the self-frame of the conveyor 11. The conveying rods 15 are parallel to the conveyor belt of the conveyor 11. An electric slide 16 is slidably connected to the two conveying rods 15 together. The electric slide 16 can slide along the conveying rod 15 under electric drive. The slide plate 12 is installed on the electric slide 16.

[0030] As Figure 1 shown in the figure, the deburring mechanism includes a deburring wheel 70, deburring rods 71 and a motor 72. A motor 72 is fixedly installed on the upper side of the conveyor 11. A deburring wheel 70 is fixedly connected to the output shaft of the motor 72. A plurality of deburring rods 71 are fixedly connected to the deburring wheel 70 in an annular array.

[0031] After being processed by the previous process, the paper 20 will be transported to the rear side of the conveyor 11, and the paper 20 is located between the two slide plates 12. The conveyor 11 will continue to transport the paper 20 forward. At this time, the electric slide 16 is controlled to move forward at the same speed, and the two side slide plates 12 are controlled to move relative to each other in the left-right direction, so that the main closing plate 13 approaches the paper 20. It should be noted that the main closing plate 13 will not clamp the paper 20, but only reduce the distance from the paper 20. Then, the auxiliary closing plates 14 on the front and rear sides of the main closing plate 13 will rotate. After the auxiliary closing plates 14 rotate, they will enclose with the main closing plate 13 to form Figure 5 a square shape in the figure. The length and width of the square are both larger than the paper 20 on the conveyor belt, so that the paper 20 has room to shake. Then the slide plate 12 continues to move forward. During this process, the main closing plate 13 will shake in the front and rear directions. Since the paper 20 is located within the square formed by the main closing plate 13 and the auxiliary closing plates 14, the paper 20 can be pushed by the auxiliary closing plates 14 to shake back and forth on the conveyor 11. During the shaking process, the paper 20 will move forward or backward uniformly under the action of inertia, so that the front and rear ends of the paper 20 can be aligned through shaking. And because the paper 20 is in a loose state, shaking helps the paper 20 with a higher height to slide down, so that the upper ends of the paper 20 can be aligned, thereby making the deburring effect more stable; before the paper 20 contacts the deburring rods 71, the main closing plate 13 will stop shaking. The deburring wheel 70 will rotate under the action of the motor 72, and the rotation direction is the same as the direction of transporting the paper 20. Then the spine of the upper end of the paper 20 contacts the deburring rods 71, and the spine is deburred by the deburring rods 71. When the paper 20 passes through the deburring rods 71, the two side slide plates 12 first drive the main closing plate 13 to move away from each other and reset, and the auxiliary closing plates 14 also rotate and reset. Then the electric slide 16 drives the slide plate 12 to move backward and reset. The deburred paper 20 is then transported to the next process, and the paper 20 processed by the previous process is transported to between the two reset slide plates 12 again.

[0032] Embodiment 2: On the basis of Embodiment 1, as Figures 2 - 5As shown, it further includes a torsion bar 30, a torsion spring 31, a stop bar 32, a centering bar 33, a first spring 34, and a synchronous clamping plate 35 for driving the secondary closing plate 14 to rotate. The rotating shaft of the secondary closing plate 14 extends downward, and the lower ends of the rotating shafts of the secondary closing plate 14 are fixedly connected with the torsion bar 30. As can be seen from Figure 4 and Figure 5 , a protruding structure in the shape of a cross is provided on the lower side of the torsion bar 30. Torsion springs 31 are sleeved on the rotating shafts of the secondary closing plate 14. One end of each torsion spring 31 is fixedly connected with the main closing plate 13, and the other end is fixedly connected with the torsion bar 30. Four groups of centering bars 33 are symmetrically fixedly connected to the electric slide 16. Each group of centering bars 33 has two. A stop bar 32 is slidably connected to the two centering bars 33 in the same group. Two first springs 34 are sleeved on each centering bar 33. The stop bar 32 is located between the two first springs 34 on the same centering bar 33. The first springs 34 are used to keep the stop bar 32 in the centered position so that the stop bar 32 can squeeze the protruding structure on the lower side of the torsion bar 30 to drive the secondary closing plate 14 to rotate. As can be seen from Figure 2 and Figure 4 , two synchronous clamping plates 35 are symmetrically fixedly connected to the lower end of the main closing plate 13. A channel is formed in the synchronous clamping plate 35, and the width of the channel is the same as the thickness of the stop bar 32, so that the stop bar 32 can enter the channel.

[0033] As Figure 1 , Figure 3 and Figure 6 shown, it further includes an enclosing mechanism for driving the main closing plate 13 to approach the paper 20. The enclosing mechanism is connected to the slide plate 12. The enclosing mechanism includes a main pushing plate 40, a secondary pushing plate 41, a guide rod 42, a second spring 43, a support 44, and a third spring 45. Two supports 44 are symmetrically fixedly connected to the base 10. The main pushing plate 40 is slidably connected to the supports 44 in the vertical direction. The main pushing plate 40 is parallel to the conveyor belt of the conveyor 11. The two main pushing plates 40 are located on the left and right sides of the electric slide 16. A third spring 45 is sleeved on the guide rod on which the main pushing plate 40 and the support 44 are slidably connected. The third spring 45 is used to push the main pushing plate 40 to reset upward. Two guide rods 42 are symmetrically fixedly connected to the electric slide 16. The two slide plates 12 are both slidably connected to the two guide rods 42. Second springs 43 are sleeved on the guide rods 42, and the second springs 43 are located between the two slide plates 12. Secondary pushing plates 41 are fixedly connected to the opposite ends of the two main closing plates 13. When the electric slide 16 moves along the conveying direction of the paper 20, the main pushing plate 40 will squeeze the secondary pushing plate 41 inward. When the electric slide 16 moves in the reverse direction along the conveying direction of the paper 20, the secondary pushing plate 41 will squeeze the main pushing plate 40 downward.

[0034] As can be seen from Figure 2 and Figure 3 , a first inclined surface 46 is provided on the front side of the secondary pushing plate 41. As can be seen from Figure 6It can be seen that a second inclined surface 47 is provided at the rear side of the main pushing plate 40. The second inclined surface 47 is used to squeeze the first inclined surface 46 to drive the auxiliary pushing plate 41 to move inwards. From Figure 6 It can be seen that a third inclined surface 48 is provided at the rear side of the auxiliary pushing plate 41. From Figure 1 It can be seen that a fourth inclined surface 49 is provided at the front side of the main pushing plate 40. The third inclined surface 48 is used to squeeze the fourth inclined surface 49 downwards to drive the main pushing plate 40 to move downwards.

[0035] Such as Figures 2 - 5 shown, it further includes a shaking mechanism for driving the main gathering plate 13 to shake. The shaking mechanism is connected to the sliding plate 12. The shaking mechanism includes a support rod 50, a rack 51, a gear 52, a turntable 53, a sliding rod 54 and a sliding connection plate 55. Two groups of support rods 50 are symmetrically fixed on the base 10. The two groups of support rods 50 are located on the left and right sides of the conveyor 11. Each group of support rods 50 has two. A rack 51 is commonly fixed on the two support rods 50 of the same group. The rack 51 extends along the conveying direction of the paper 20. A gear 52 and a turntable 53 are coaxially rotatably connected to the sliding plate 12 through a bracket. The gear 52 and the turntable 53 are located on the opposite sides of the two sliding plates 12, and the turntable 53 is located above the gear 52. A sliding rod 54 is fixed at the eccentric position of the upper end of the turntable 53. Slideways are provided on both sliding plates 12, and sliding connection plates 55 are slidably connected in the slideways. The sliding connection plates 55 are located on the opposite sides of the two main gathering plates 13, and the sliding connection plates 55 are fixed to the adjacent main gathering plates 13. Linear slideways are provided on the sliding connection plates 55, and the opening direction of the linear slideways is perpendicular to the sliding direction of the sliding connection plates 55. The sliding rods 54 are all slidably connected in the adjacent linear slideways.

[0036] During the forward movement of the electric slide seat 16, the second inclined surface 47 of the main pushing plate 40 will squeeze the first inclined surface 46 of the auxiliary pushing plate 41, so that the auxiliary pushing plate 41 drives the two sliding plates 12 to move relative to each other along the guide rod 42. And the main pushing plate 40 will resist the auxiliary pushing plate 41 to prevent it from resetting, so as to drive the main gathering plate 13 to approach the paper 20, and the second spring 43 will be compressed; the stop rod 32 is kept in the middle position under the action of the first spring 34. When the main gathering plate 13 moves relatively, the synchronous clamping plate 35 will approach the stop rod 32, so that the stop rod 32 moves into the channel on the synchronous clamping plate 35 to limit the sliding of the stop rod 32 relative to the main gathering plate 13 through the synchronous clamping plate 35. Then the stop rod 32 will contact and squeeze the eccentric position of the convex structure on the lower side of the torsion rod 30, so that the torsion rod 30 drives the auxiliary gathering plate 14 to rotate, and the torsion spring 31 will be energized, so as to enclose the main gathering plate 13 and the auxiliary gathering plate 14 into Figure 5in the shape of a square; then when the electric sliding seat 16 continues to move forward, the gear 52 will engage with the rack 51 on the same side. The rack 51 drives the turntable 53 to rotate through the gear 52. When the turntable 53 rotates, the sliding rod 54 will slide in the linear slideway of the sliding connection plate 55, and drives the main closing plate 13 to reciprocate and shake in the front-rear direction through the sliding connection plate 55. During the shaking process of the main closing plate 13, the blocking rod 32 will be synchronously shaken through the synchronous clamping plate 35, that is, the main closing plate 13, the blocking rod 32, and the auxiliary closing plate 14 will shake synchronously, preventing the torsion rod 30 and the blocking rod 32 from disengaging, so that the auxiliary closing plate 14 always remains in a closed state during the shaking process; when the paper 20 passes through the napping, the auxiliary pushing plate 41 and the main pushing plate 40 will disengage. The compressed second spring 43 pushes the two sliding plates 12 to move away from each other to be away from the paper 20, and the torsion rod 30 and the blocking rod 32 also disengage. The torsion spring 31 will drive the auxiliary closing plate 14 to rotate and reset. Then the electric sliding seat 16 resets backward. The third inclined surface 48 of the auxiliary pushing plate 41 will squeeze the fourth inclined surface 49 of the main pushing plate 40 downward, and the third spring 45 will be compressed. When the electric sliding seat 16 completes the backward reset, the auxiliary pushing plate 41 and the main pushing plate 40 disengage again. The main pushing plate 40 will reset upward under the action of the third spring 45 to facilitate squeezing the auxiliary pushing plate 41 inward when the electric sliding seat 16 moves forward.

[0037] Embodiment 3: On the basis of Embodiment 2, as Figure 1 shown, it further includes a lower guard plate 60 and an upper guard plate 61 for guiding. Two lower guard plates 60 are symmetrically fixedly connected to the conveyor 11. Two upper guard plates 61 are fixedly connected to the base 10 through brackets. The upper guard plate 61 is located above the conveyor 11, and the motor 72 is fixedly connected to the upper guard plate 61 through a bracket.

[0038] As Figure 1 shown, it further includes a clamping plate 62 and a fourth spring 63 for gathering the book spine to facilitate napping. The clamping plate 62 is slidably connected to the upper guard plate 61 in the vertical direction. The clamping plate 62 is located on the opposite side of the two upper guard plates 61. A fourth spring 63 is sleeved on the guide rod to which the clamping plate 62 and the upper guard plate 61 are slidably connected. When the clamping plate 62 moves upward, the fourth spring 63 will be compressed.

[0039] As Figure 1 and Figure 3 shown, it further includes an upper top plate 64 and a lower top plate 65 for driving the clamping plate 62 to rise. The upper top plate 64 is fixedly connected to the lower end of the clamping plate 62. The lower top plate 65 is fixedly connected to the top end of the sliding plate 12. The lower top plate 65 is used to squeeze the upper top plate 64 upward.

[0040] After the paper 20 is conveyed onto the conveyor 11, the lower guard plate 60 and the upper guard plate 61 can prevent the paper 20 from falling off the conveyor 11. When the paper 20 is about to contact the napping rod 71, the lower top plate 65 will contact and upwardly press the upper top plate 64, and the fourth spring 63 will be compressed. The upper top plate 64 will drive the clamping plate 62 to move upward, and the clamping plate 62 will gather the loose paper 20 from the upper side to the middle. The gathered paper 20 is not easily bent, enabling the paper 20 to fully contact the napping rod 71 to ensure the napping effect. When the paper 20 disengages from the napping rod 71, the lower top plate 65 will also disengage from the upper top plate 64, and then the fourth spring 63 will push the upper top plate 64 and the clamping plate 62 to reset downward.

[0041] The above embodiments are only the preferred embodiments of the present invention and are not used to limit the scope of implementation of the present invention. Therefore, all equivalent changes made according to the content described in the claims of the present invention should be included within the scope of the claims of the present invention.

Claims

1. A spine roughening device for book case binding, comprising a base (10), on which a conveyor (11) is installed, characterized in that, A sliding mechanism is installed on the conveyor (11). Two sliding plates (12) are symmetrically installed on the sliding mechanism. A main gathering plate (13) is slidably connected to the sliding plate (12). A secondary gathering plate (14) is rotatably connected to the main gathering plate (13). When the sliding plate (12) approaches the paper (20) on the conveyor (11), the main gathering plate (13) and the secondary gathering plate (14) converge to form a square shape to limit the paper. During the process of the sliding mechanism driving the sliding plate (12) to move, the main gathering plate (13) and the secondary gathering plate (14) will drive the paper (20) to vibrate. A roughening mechanism for roughening the spine is arranged above the conveyor (11).

2. The spine roughening device for book case binding according to claim 1, characterized in that, The sliding mechanism includes a conveying rod (15). The conveying rod (15) is fixedly connected to the conveyor (11). An electric sliding seat (16) is slidably connected to the conveying rod (15). The sliding plate (12) is installed on the electric sliding seat (16).

3. A spine roughening device for book case binding as claimed in claim 1, characterized in that, The roughening mechanism includes a motor (72). The motor (72) is fixedly installed above the conveyor (11). A roughening wheel (70) is fixedly connected to the output shaft of the motor (72). A roughening rod (71) is fixedly connected to the roughening wheel (70).

4. The book spine roughening device for book case binding according to claim 2, characterized in that, It also includes a torsion rod (30) for driving the secondary gathering plate (14) to rotate. The torsion rod (30) is fixedly connected to the rotating shaft of the secondary gathering plate (14). Torsion springs (31) are sleeved on the rotating shafts of the secondary gathering plates (14). The two ends of the torsion spring (31) are respectively fixedly connected to the main gathering plate (13) and the torsion rod (30). A stop rod (32) is slidably connected to the electric sliding seat (16) through a centering rod (33). A first spring (34) is sleeved on the centering rod (33). The first spring (34) is used to keep the stop rod (32) in the centered position, so as to facilitate the squeezing cooperation between the stop rod (32) and the torsion rod (30) to drive the secondary gathering plate (14) to rotate. A synchronous clamping plate (35) is fixedly connected to the main gathering plate (13). The stop rod (32) can be stuck in the channel on the synchronous clamping plate (35) to facilitate synchronous vibration following the main gathering plate (13).

5. The book spine roughening device for book case binding according to claim 2, characterized in that, It also includes an enclosing mechanism for driving the main gathering plate (13) to approach the paper (20). The enclosing mechanism includes a main pushing plate (40). The main pushing plate (40) is slidably connected to the base (10) through a support (44). A third spring (45) is sleeved on the guiding rod of the main pushing plate (40). A guiding rod (42) is fixedly connected to the electric sliding seat (16). Both sliding plates (12) are slidably connected to the guiding rod (42). A second spring (43) for pushing the two sliding plates (12) away from each other is sleeved on the guiding rod (42). Secondary pushing plates (41) are fixedly connected to both main gathering plates (13). When the electric sliding seat (16) moves along the paper (20) conveying direction, the main pushing plate (40) will squeeze the secondary pushing plate (41) inward. When the electric sliding seat (16) moves in the reverse direction, the secondary pushing plate (41) will squeeze the main pushing plate (40) downward.

6. The book spine roughening device for book case binding according to claim 5, characterized in that, The secondary push plate (41) is provided with a first inclined surface (46), and the primary push plate (40) is provided with a second inclined surface (47). The second inclined surface (47) is used to extrude the first inclined surface (46) to drive the secondary push plate (41) to move inwards. The secondary push plate (41) is provided with a third inclined surface (48), and the primary push plate (40) is provided with a fourth inclined surface (49). The third inclined surface (48) is used to extrude the fourth inclined surface (49) downwards to drive the primary push plate (40) to move downwards.

7. The spine roughening device for book case binding according to claim 5, characterized in that, It further includes a shaking mechanism for driving the main gathering plate (13) to shake. The shaking mechanism includes a support rod (50). A rack (51) is fixedly connected to the base (10) through the support rod (50). A gear (52) and a turntable (53) are coaxially rotatably connected to the sliding plate (12). A sliding rod (54) is fixedly connected to an eccentric position at the upper end of the turntable (53). A sliding connection plate (55) is slidably connected to the sliding plate (12), and the sliding connection plate (55) is fixedly connected to the adjacent main gathering plate (13). The sliding rod (54) is slidably connected in a linear slideway on the sliding connection plate (55).

8. The spine roughening device for book case binding according to claim 1, characterized in that, It further includes a lower guard plate (60) and an upper guard plate (61) for guiding. Two lower guard plates (60) are symmetrically fixedly connected to the conveyor (11), and two upper guard plates (61) are fixedly connected to the base (10) through brackets.

9. The book spine roughening device for book case binding according to claim 8, characterized in that, It further includes a clamping plate (62) for gathering the book spine to facilitate hair removal. The clamping plate (62) is slidably connected to the upper guard plate (61), and a fourth spring (63) is sleeved on the guide rod of the clamping plate (62).

10. A spine roughening device for book case binding according to claim 9, characterized in that, It further includes an upper top plate (64) and a lower top plate (65) for driving the clamping plate (62) to rise. The upper top plate (64) is fixedly connected to the clamping plate (62), and the lower top plate (65) is fixedly connected to the sliding plate (12). The lower top plate (65) is used to extrude the upper top plate (64) upwards.

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