Dynamic adjusting device for gum cutting length of gum binding machine

Abstract

The invention belongs to the technical field of glue binding machines, and discloses a glue binding machine back glue cutting length dynamic adjusting device which comprises a machine table, a clamping moving part is arranged in the machine table in a sliding mode, and a glue cutting adjusting assembly is fixedly arranged at the bottom of the clamping moving part. Through cooperation of the guide adjusting parts elastically connected to the two sides, internal conduction of the gluing assembly and coating action are achieved by pushing the guide adjusting parts, meanwhile, the glue cutting adjusting assembly is utilized to adapt to the spine length of an actual page, and the time of the guide adjusting parts expanding along the outer side of the glue cutting adjusting assembly is adjusted and changed according to adaptability, so that the gluing effect is improved. Therefore, the conduction time of the gluing assembly is changed, control over the gum cutting length is completed in a matched mode, dynamic adjustment can be conducted according to the actual length of a book page, adaptive gum cutting length control is achieved, it is guaranteed that hot melt adhesive coating of the book spine area of the book page is accurately completed, actual adjustment operation is simple, the hot melt adhesive cutting and coating length is accurate, and the using effect is good.

Description

Technical Field

[0001] The invention belongs to the technical field of glue binding machines, in particular to a device for dynamically adjusting the glue cutting length of a glue binding machine. Background Art

[0002] A perfect binder (also known as a "glue binder") is a device used for book binding. It forms a complete book by applying hot melt glue to the spine of the book pages and then gluing them to the cover.

[0003] The back gluing device of the glue binder in the prior art usually performs gluing on the spine of the moving book page during the gluing process. However, the actual spine lengths of different book pages are not the same. Currently, during the gluing process, it is necessary to adjust according to the spine length of the book page to be processed. After the adjustment is completed, batch gluing is performed, that is, fixed-length glue cutting is completed. However, during actual operation, it is necessary to perform special adjustments according to the spine length, and it is impossible to perform real-time adjustments according to the actual spine length. The gluing operation for different book pages is more troublesome and the use effect is not good. Summary of the invention

[0004] The object of the present invention is to provide a device for dynamically adjusting the cut-off length of adhesive backing of an adhesive binding machine, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for dynamically adjusting the length of glue cut of the back glue of a glue binder, the device comprising a machine platform, a clamping moving part is slidably provided inside the machine platform, a glue cut adjustment component is fixedly provided at the bottom of the clamping moving part, a guide adjustment part is symmetrically provided inside the machine platform for sliding installation, an assembly cavity is opened inside the machine platform, a glue application component, a storage box and a glue thickness adjustment part are respectively provided in the assembly cavity, a spiral conveying mechanism is provided inside the glue application component, The guide adjustment part includes a rotating wheel, a fixing rod, a movable seat, a spring and a sealing folding plate. One end of the sealing folding plate is movably sleeved in the gluing component and controls the internal conduction and sealing of the gluing component. The rubber cutting adjustment component comprises a first plate, a second block, a first inclined plane, a second inclined plane, a plane, an electric push rod and a connecting plate. The rubber cutting adjustment component pushes the guide adjustment parts on both sides to slide and reset.

[0006] Preferably, the number of the clamping movable parts is two, and the two clamping movable parts are fixedly connected by a connecting piece at one end. The clamping movable part includes a mounting seat and a clamping frame. A slider is fixedly provided on one side of the mounting seat and is slidably sleeved in the machine. An electric adjustment rod is provided at the other end of the mounting seat to control the movement of the clamping frame. The glue cutting adjustment assembly is fixed at the bottom of the clamping frame and is clamped on both sides of the book page together with the clamping frame.

[0007] Preferably, an assembly slot and an installation slot cavity are respectively provided inside the machine, one end of the assembly slot is connected to the installation slot cavity, and the other end is connected to the assembly slot, the sealing folding plate is slidably sleeved in the assembly slot, the movable seat is slidably sleeved in the installation slot cavity, one end of the spring is fixedly connected in the installation slot cavity, and the other end is fixedly connected to the movable seat, one end of the sealing folding plate is fixedly connected to the movable seat, the fixing rod is fixedly connected to the top of the movable seat, and the rotating wheel is installed on the outer surface of the fixing rod through a bearing.

[0008] Preferably, the gluing assembly includes a gluing frame, an internal cavity, a top seat, a connecting cavity, a top cavity, a through hole and a sealing sleeve opening, the sealing sleeve opening is opened on the front side of the gluing frame and passes through the gluing frame, the top seat is fixed to the top of the gluing frame, the top cavity is opened at the top of the top seat, the internal cavity is opened in the gluing frame, the through hole is opened in the top seat, the upper end of the through hole is connected with the top cavity, and the lower end is connected with the sealing sleeve opening, the connecting cavity is opened inside the gluing frame, the upper end of the connecting cavity passes through the top of the gluing frame, the lower part of the connecting cavity is connected with the internal cavity, and the free end of the sealing folding plate is movably sleeved in the sealing sleeve opening.

[0009] Preferably, a roller is provided inside the top cavity, and the roller is rotatably arranged in the top cavity.

[0010] Preferably, a top frame is fixedly provided on the top of the gluing component, the top frame is located outside the top seat and is connected to the upper end of the connecting cavity, and the heating tube is fixedly installed in the top frame.

[0011] Preferably, a connecting frame is provided on the side of the storage box, and the storage box is connected with the internal cavity through the connecting frame. The spiral conveying mechanism includes a motor, a rotating shaft and a spiral blade. The motor is nested in the machine, and the output shaft of the motor is fixedly connected to the rotating shaft. The spiral blade is fixedly sleeved on the rotating shaft and is located in the internal cavity. The spiral conveying mechanism conveys the hot melt adhesive in the internal cavity to the top cavity, and applies it to the bottom of the book page through a roller.

[0012] Preferably, the glue thickness adjustment part includes a scraper seat, a pre-storage chamber, a material guide frame and a hydraulic lifting part, the scraper seat is located in the assembly chamber, the pre-storage chamber is opened at the top of the scraper seat, one end of the material guide frame is fixed to the bottom of the scraper seat and is connected to the pre-storage chamber, and the other end is fixed to the side of the gluing component and is connected to the connecting chamber, the hydraulic lifting part is fixed in the assembly chamber, and the movable end is fixedly connected to the scraper seat.

[0013] Preferably, both the first plate and the second block are fixedly connected to the bottom of the clamping frame. The first inclined surface is formed at the front end of the first plate. The second inclined surface and the flat surface are connected to each other and are formed at the rear end of the second block. A notch is formed at the rear end of the first plate. The electric push rod is fixedly installed in the notch, and its movable end is fixedly connected to the connecting plate. One end of the connecting plate is fixedly connected to the second block.

[0014] Preferably, one end of the movable seat is fixedly connected to a sleeve rod. One end of the sleeve rod extends movably into the assembly cavity and is fixedly connected to an impact block. The impact block moves with the movable seat and impacts the glue thickness adjustment part.

[0015] The beneficial effects of the present invention are as follows: (1) By using the clamping and moving part to drive the bottom glue cutting and adjusting assembly to synchronously clamp the book pages, and cooperating with the guiding and adjusting parts elastically connected on both sides, the internal conduction of the glue applying assembly is realized by squeezing the guiding and adjusting parts to perform the coating action. At the same time, the glue cutting and adjusting assembly is used to adapt to the actual spine length of the book pages. According to the adaptability adjustment, the time for the guiding and adjusting parts to expand along the outside of the glue cutting and adjusting assembly is changed, so as to change the conduction time of the glue applying assembly, cooperate to complete the control of the back glue cutting length, can be dynamically adjusted according to the actual length of the book pages, realize the adaptive glue cutting length control, ensure the accurate completion of the hot melt glue coating in the spine area of the book pages, the actual adjustment operation is simple, the glue cutting and coating length of the hot melt glue is accurate, and the use effect is good.

[0016] (2) By using the top frame and the heating tube on the top of the glue applying assembly of the present invention, the guiding and storage of the excess hot melt glue on the top are realized in cooperation, and with the targeted heating of the heating tube, the fluidity of the excess overflowed hot melt glue is enhanced after collection, so as to strengthen the rapid reflux of the excess overflowed glue liquid, avoid the solidification of the glue liquid piled up and overflowed on the top, and provide the back glue coating effect.

[0017] (3) By using the glue cutting and adjusting assembly to push and expand the guiding and adjusting parts on both sides again, and cooperating with the removed glue cutting and adjusting assembly to realize the elastic reset of the guiding and adjusting parts, cooperating with the added sleeve rod and impact block, and cooperating with the position arrangement of the glue thickness adjustment part, using the elastically reset guiding and adjusting parts, after the back glue of a group of book pages is coated, the collision treatment after elastic reset is realized, so as to impact the glue thickness adjustment part, and using the vibration after impact, the reflux utilization of the glue liquid accumulated in the glue thickness adjustment part is provided, and the recycling of the excess glue liquid after glue thickness adjustment is further improved. Description of the Drawings

[0018] Figure 1 is a schematic structural diagram of the present invention; Figure 2 is a schematic cross-sectional view of the present invention; Figure 3 is a schematic cross-sectional view of the machine table of the present invention; Figure 4 It is a top schematic diagram of the clamping moving part of the present invention; Figure 5 It is an exploded schematic diagram of the clamping moving part of the present invention; Figure 6 It is a schematic diagram of the glue cutting adjustment component of the present invention; Figure 7 It is a schematic diagram of the sleeve connection between the guide adjustment part and the glue application component of the present invention; Figure 8 It is a cross-sectional schematic diagram of the gluing assembly and the glue thickness adjusting part of the present invention; Fig. 9 It is a schematic diagram of the gluing assembly of the present invention; Fig.10 It is a cross-sectional schematic diagram of the gluing assembly of the present invention.

[0019] In the figure: 1, machine; 2, clamping moving part; 21, mounting seat; 22, clamping frame; 3, connecting piece; 4, guiding and adjusting part; 41, rotating wheel; 42, fixing rod; 43, movable seat; 44, spring; 45, sealing folding plate; 5, assembly cavity; 6, gluing assembly; 61, gluing frame; 62, inner cavity; 63, top seat; 64, connecting cavity; 65, top cavity; 66, through hole; 67, sealing sleeve; 7, storage box; 8, screw conveying mechanism; 9. Top frame; 10. Heating tube; 11. Roller; 12. Glue thickness adjustment unit; 121. Scraper seat; 122. Pre-storage chamber; 123. Material guide frame; 124. Hydraulic lifting unit; 13. Glue cutting adjustment assembly; 131. Plate No. 1; 132. Block No. 2; 133. Inclined surface No. 1; 134. Inclined surface No. 2; 135. Plane; 136. Electric push rod; 137. Connecting plate; 14. Assembly slide groove; 15. Mounting slide chamber; 16. Sleeve rod; 17. Impact block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] like Figures 1 to 10As shown, an embodiment of the present invention provides a device for dynamically adjusting the length of glue cutting of a glue binding machine, comprising a machine platform 1, a clamping moving part 2 is slidably provided inside the machine platform 1, a glue cutting adjustment component 13 is fixedly provided at the bottom of the clamping moving part 2, a guide adjustment part 4 slidably installed is symmetrically provided inside the machine platform 1, an assembly cavity 5 is opened inside the machine platform 1, a gluing component 6, a storage box 7 and a glue thickness adjustment part 12 are respectively provided in the assembly cavity 5, a spiral conveying mechanism 8 is provided inside the gluing component 6, the guide adjustment part 4 comprises a rotating wheel 41, a fixing rod 42, a movable seat 43, a spring 44 and a sealing folding plate 45, one end of the sealing folding plate 45 is movably sleeved in the gluing component 6, and controls the internal conduction and closure of the gluing component 6, the glue cutting adjustment component 13 comprises a No. 1 plate 131, a No. 2 block 132, a first inclined plane 133, a second inclined plane 134, a plane 135, an electric push rod 136 and a connecting plate 137, and the glue cutting adjustment component 13 pushes the guide adjustment parts 4 on both sides to slide and reset.

[0022] Embodiment 1: When in use, as the clamping movable parts 2 on both sides clamp the book pages in the middle and move laterally along the inside of the machine 1, and drive the glue cutting adjustment component 13 at the bottom of the clamping movable part 2 to move, the No. 1 plate 131 in the glue cutting adjustment component 13 pushes the rotating wheel 41 in the guide adjustment part 4 to rotate through the inclined surface 133, and makes the rotating wheel 41 drive the movable seat 43 to slide along the inside of the installation slide cavity 15 through the fixed rod 42, pulling the spring 44, as the glue cutting adjustment component 13 continues to move, the rotating wheel 41 rolls along the outer side surface of the No. 1 plate 131, and as the movable seat 43 moves, the sealing folding plate 45 is driven to slide along the assembly slide groove 14 and move from the sealing sleeve 67 of the glue upper component 6, the two sets of sleeved sealing folding plates 45 move away from each other, open the sealing sleeve 67, so that the internal cavity 62 and the through hole 66 are connected, and the spiral conveying mechanism 8 conveys the hot melt adhesive to the top cavity 65 through the through hole 66 during the rotation of the spiral conveying mechanism 8, and when the external power motor drives the roller 11 to rotate, Hot melt adhesive is attached to the top cavity 65 and to the bottom spine of the clamped book page. When the rotating wheel 41 rolls relatively and contacts the second inclined surface 134 on the second block 132, the spring 44 elastically resets and drives the rotating wheel 41 to reset along the second inclined surface 134 and contact the plane 135, guiding the adjustment part 4 to completely reset, and at this time, the sealing folding plate 45 automatically resets, sealing the sealing sleeve 67 and the sealing through hole 66, and the external power mechanism is closed, the roller 11 stops rotating, and the coating of the book spine is stopped. Cloth; when it is necessary to adjust the length of the adhesive backing cut, according to the actual length of the book page, after clamping the book page, start the electric push rod 136 in the adhesive cut adjustment component 13, control the connection plate 137 to move, so that the second block 132 moves, and adjust the position of the rear end of the second block 132 according to the spine length of the book page. When the spine of the book page is longer, the length of the combination of the second block 132 and the first plate 131 becomes longer, the expansion time of the guide adjustment part 4 is extended, and the time for applying the hot melt adhesive is extended to complete the dynamic adjustment.

[0023] Firstly, by utilizing the clamping movable part 2 to drive the bottom glue cutting adjustment component 13 to synchronously clamp the book pages, and cooperating with the guide adjustment parts 4 elastically connected on both sides, by squeezing and pushing the guide adjustment parts 4, the internal conduction of the gluing component 6 is realized, and the coating action is performed. At the same time, the glue cutting adjustment component 13 is utilized to adapt to the actual spine length of the book page. According to the adaptive adjustment, the time for the guide adjustment part 4 to expand along the outer side of the glue cutting adjustment component 13 is changed, thereby changing the conduction time of the gluing component 6, and cooperating to complete the control of the glue cutting length of the back glue. It can be dynamically adjusted according to the actual length of the book page to realize adaptive glue cutting length control, thereby ensuring accurate completion of hot melt adhesive coating in the spine area of ​​the book page. The actual adjustment operation is simple, the glue cutting coating length of the hot melt adhesive is accurate, and the use effect is good.

[0024] Embodiment 2: When coating is performed, excess glue on the top of the roller 11 flows into the top frame 9 along both sides, and the heating tube 10 in the top frame 9 is started to further heat the hot melt adhesive collected in the top frame 9. The temperature of the hot melt adhesive increases, and its fluidity is enhanced, and it flows downward along the connecting cavity 64 to fill the interior of the internal cavity 62.

[0025] First, by utilizing the top frame 9 and the heating tube 10 on the top of the gluing component 6, the excess hot melt adhesive on the top can be guided and stored, and the heating tube 10 is used for targeted heating, so that the fluidity of the excess hot melt adhesive is enhanced after collection, thereby enhancing the rapid reflux of the excess glue, avoiding the solidification of the glue accumulated on the top, and providing a back glue coating effect.

[0026] Embodiment 3: As the spine of a group of book pages is coated, the spine part with glue coated on the bottom moves forward and is scraped flat by the glue thickness adjustment part 12, and the excess glue is scraped into the pre-storage cavity 122, and is discharged downward along the guide frame 123 and introduced into the connecting cavity 64. As the coating of a group of book pages is completed, the guide adjustment parts 4 on both sides are elastically reset, and drive the sleeve rod 16 and the impact block 17 to move, and the impact block 17 hits the glue thickness adjustment part 12, causing the glue thickness adjustment part 12 to vibrate, and the glue in the pre-storage cavity 122 is further guided into the material frame 123, and the glue in the material guide frame 123 is further introduced into the cavity 64 after vibration.

[0027] Firstly, by again utilizing the glue cutting adjustment component 13 to push and expand the guide adjustment parts 4 on both sides, and cooperating with the removed glue cutting adjustment component 13 to realize the elastic reset of the guide adjustment part 4, cooperating with the added sleeve rod 16 and the impact block 17, and cooperating with the position arrangement of the glue thickness adjustment part 12, utilizing the elastically reset guide adjustment part 4, after a group of book pages are coated with glue on the back, realizing the collision processing after elastic reset, so that the glue thickness adjustment part 12 is impacted, and utilizing the vibration after the impact, providing the reflux utilization of the glue liquid accumulated in the glue thickness adjustment part 12, further improving the recycling of the excess glue liquid after the glue thickness adjustment.

[0028] Among them, there are two clamping movable parts 2, and the two clamping movable parts 2 are fixedly connected by a connecting piece 3 at one end. The clamping movable part 2 includes a mounting seat 21 and a clamping frame 22. A slider is fixedly provided on one side of the mounting seat 21, and is slidably sleeved in the machine 1. An electric adjustment rod is provided at the other end of the mounting seat 21, and controls the movement of the clamping frame 22. The glue cutting adjustment component 13 is fixed at the bottom of the clamping frame 22, and is clamped on both sides of the book page together with the clamping frame 22.

[0029] The clamping and moving part 2 and the glue cutting and adjusting assembly 13 are used to clamp and move the book pages. The electric adjusting rod provides a driving force to bring the two groups of clamping frames 22 closer together to complete the clamping.

[0030] Among them, the interior of the machine 1 is respectively provided with an assembly slot 14 and an installation slot cavity 15, one end of the assembly slot 14 is connected with the installation slot cavity 15, and the other end is connected with the assembly cavity 5, the sealing folding plate 45 is slidably sleeved in the assembly slot 14, the movable seat 43 is slidably sleeved in the installation slot cavity 15, one end of the spring 44 is fixedly connected in the installation slot cavity 15, and the other end is fixedly connected to the movable seat 43, one end of the sealing folding plate 45 is fixedly connected to the movable seat 43, the fixed rod 42 is fixedly connected to the top of the movable seat 43, and the rotating wheel 41 is installed on the outer surface of the fixed rod 42 through a bearing.

[0031] The assembly slide groove 14 provides sliding space for the sealing folding plate 45, the installation slide cavity 15 provides moving space for the movable seat 43, the spring 44 provides elastic reset force and adapts to the push of the rubber cutting adjustment component 13 to ensure the expansion of the guide adjustment part 4 and complete the opening and closing of the sealing sleeve 67.

[0032] Among them, the gluing component 6 includes a gluing frame 61, an internal cavity 62, a top seat 63, a connecting cavity 64, a top cavity 65, a through hole 66 and a sealing sleeve 67. The sealing sleeve 67 is opened on the front of the gluing frame 61 and passes through the gluing frame 61. The top seat 63 is fixed to the top of the gluing frame 61. The top cavity 65 is opened at the top of the top seat 63. The internal cavity 62 is opened in the gluing frame 61. The through hole 66 is opened in the top seat 63. The upper end of the through hole 66 is connected with the top cavity 65, and the lower end is connected with the sealing sleeve 67. The connecting cavity 64 is opened in the interior of the gluing frame 61. The upper end of the connecting cavity 64 passes through the top of the gluing frame 61. The lower part of the connecting cavity 64 is connected with the internal cavity 62. The free end of the sealing folding plate 45 is movably sleeved in the sealing sleeve 67. A roller 11 is provided inside the top cavity 65, and the roller 11 is rotatably set in the top cavity 65.

[0033] By utilizing the cooperation between the gluing component 6 and the spiral conveying mechanism 8, the input hot melt adhesive is guided upward, and the roller 11 is cooperated to achieve surface attachment. The hot melt adhesive is applied to the spine of the book page by the rotating roller 11. The roller 11 is driven to rotate by a power motor (not shown in the figure), and when the sealing sleeve 67 is sealed, the glue on the surface of the rotating roller 11 is insufficient. Only after the sealing sleeve 67 is opened, sufficient glue is provided and the gluing process is achieved.

[0034] Among them, a top frame 9 is fixedly provided on the top of the gluing component 6. The top frame 9 is located outside the top seat 63 and is connected to the upper end of the connecting cavity 64. The heating tube 10 is fixedly installed in the top frame 9.

[0035] The top frame 9 cooperates with the connecting cavity 64 to realize the reflux treatment of the overflowed glue liquid after auxiliary heating, thereby improving the utilization rate of the glue liquid.

[0036] Among them, a connecting frame is provided on the side of the storage box 7, and the storage box 7 is connected with the internal cavity 62 through the connecting frame. The spiral conveying mechanism 8 includes a motor, a rotating shaft and a spiral blade. The motor is nested in the machine 1, and the output shaft of the motor is fixedly connected to the rotating shaft. The spiral blade is fixedly sleeved on the rotating shaft and is located in the internal cavity 62. The spiral conveying mechanism 8 conveys the hot melt adhesive in the internal cavity 62 to the top cavity 65, and is coated on the bottom of the book page through the roller 11.

[0037] The hot melt adhesive liquid is stored in the storage box 7 and introduced into the internal cavity 62. A heating and heat preservation mechanism (not shown in the figure) is provided in the storage box 7 to prevent the hot melt adhesive from cooling and solidifying. The spiral conveying mechanism 8 conveys the hot melt adhesive upward through the spiral blades, and stops conveying when the top is sealed.

[0038] Among them, the glue thickness adjustment part 12 includes a scraper seat 121, a pre-storage chamber 122, a material guide frame 123 and a hydraulic lifting part 124. The scraper seat 121 is located in the assembly chamber 5, and the pre-storage chamber 122 is opened at the top of the scraper seat 121. One end of the material guide frame 123 is fixed to the bottom of the scraper seat 121 and is connected to the pre-storage chamber 122, and the other end is fixed to the side of the gluing component 6 and is connected to the connecting chamber 64. The hydraulic lifting part 124 is fixed in the assembly chamber 5, and the movable end is fixedly connected to the scraper seat 121.

[0039] The glue thickness adjustment part 12 is generally used to scrape off excess glue at the bottom of the spine to avoid excessive glue, and the hydraulic lifting part 124 adjusts the height position of the scraper seat 121 up and down to achieve glue thickness control.

[0040] Among them, plate No. 131 and block No. 2 132 are both fixedly connected to the bottom of the clamping frame 22, inclined surface 133 is opened on the front end of plate No. 1 131, inclined surface 2 134 and plane 135 are connected to each other and opened on the rear end of block No. 2 132, a notch is opened at the rear end of plate No. 1 131, an electric push rod 136 is fixedly installed in the notch, and the movable end is fixedly connected to the connecting plate 137, and one end of the connecting plate 137 is fixedly connected to block No. 2 132.

[0041] The expansion and resetting of the guide regulating portion 4 are controlled by utilizing the first slope 133 , the second slope 134 and the plane 135 , and the rubber cutting length is controlled by utilizing the spacing length between the first slope 133 and the second slope 134 .

[0042] One end of the movable seat 43 is fixedly connected to a sleeve rod 16 , one end of the sleeve rod 16 movably extends into the assembly cavity 5 and is fixedly connected to a collision block 17 , which moves with the movable seat 43 and hits the glue thickness adjustment portion 12 .

[0043] By utilizing the sleeve rod 16 and the impact block 17 in cooperation with the elastically reset guide adjustment part 4, the collision vibration of the glue thickness adjustment part 12 is completed, and the enhanced backflow of the excess glue liquid under the vibration effect is achieved.

[0044] The working principle and use process of the present invention are as follows: when in use, as the clamping movable parts 2 on both sides clamp the book pages in the middle and move horizontally along the inside of the machine 1, and drive the glue cutting adjustment component 13 at the bottom of the clamping movable part 2 to move, the No. 1 plate 131 in the glue cutting adjustment component 13 pushes the rotating wheel 41 in the guide adjustment part 4 to rotate through the inclined surface 133, and makes the rotating wheel 41 drive the movable seat 43 to slide along the inside of the installation slide cavity 15 through the fixed rod 42, pulling the spring 44, and as the glue cutting adjustment component 13 continues to move, the rotating wheel 41 rolls along the outer side surface of the No. 1 plate 131, and as the movable seat 43 moves, it drives the sealing folding plate 45 to slide along the assembly slide groove 14, and makes it slide from the sealing sleeve 6 of the glue upper component 6. 7 moves, the two sets of sleeved sealing folding plates 45 move away from each other, the sealing sleeve opening 67 is opened, so that the internal cavity 62 and the through hole 66 are connected, and the hot melt adhesive is transported to the top cavity 65 through the through hole 66 during the rotation of the spiral conveying mechanism 8, and when the external power motor drives the roller 11 to rotate, the hot melt adhesive is attached from the top cavity 65 and attached to the bottom spine of the clamped book page, when the rotating wheel 41 rolls relatively and contacts the inclined surface 134 on the second block 132, the spring 44 elastically resets and drives the rotating wheel 41 to reset along the inclined surface 134 and contact the plane 135, the guiding adjustment part 4 is completely reset, and at this time the sealing folding plate 45 automatically resets, seals the sealing sleeve opening 67, seals the through hole 66, and the external power mechanism is closed. , the roller 11 stops rotating and stops coating the book spine; when it is necessary to adjust the length of the glue cut-off of the back glue, according to the actual length of the book page, after clamping the book page, the electric push rod 136 in the glue cut-off adjustment component 13 is started to control the connection plate 137 to move, so that the second block 132 moves, and the position of the rear end of the second block 132 is adjusted according to the length of the spine of the book page. When the spine of the book page is long, the length of the combination of the second block 132 and the first plate 131 becomes longer, the expansion time of the guide adjustment part 4 is extended, and the time for coating the hot melt adhesive is extended to complete the dynamic adjustment; when coating is performed, the excess glue on the top of the roller 11 flows into the top frame 9 along the two sides, and the heating tube 10 in the top frame 9 is started to further heat the hot melt adhesive collected in the top frame 9 The hot melt adhesive temperature increases, the fluidity increases, and it is filled into the interior of the internal cavity 62 along the connecting cavity 64 downward; as the spine of a group of book pages is coated, the spine part with glue coated on the bottom moves forward, and is scraped flat by the glue thickness adjustment part 12, and the excess glue is scraped into the pre-storage cavity 122, and is guided downward along the guide frame 123 and introduced into the connecting cavity 64. As the coating of a group of book pages is completed, the guide adjustment parts 4 on both sides are elastically reset, and drive the sleeve rod 16 and the impact block 17 to move, and the impact block 17 hits the glue thickness adjustment part 12, so that the glue thickness adjustment part 12 vibrates, and the glue in the pre-storage cavity 122 is further guided into the material frame 123, and the glue in the material guide frame 123 is further introduced into the cavity 64 after vibration.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for dynamically adjusting the length of adhesive cut-off of adhesive binding machine, comprising a machine platform (1), characterized in that: The machine platform (1) is provided with a clamping movable part (2) in a sliding manner inside, a glue cutting adjustment component (13) is fixedly provided at the bottom of the clamping movable part (2), a slidably mounted guide adjustment part (4) is symmetrically provided inside the machine platform (1), an assembly cavity (5) is provided inside the machine platform (1), a glue application component (6), a storage box (7) and a glue thickness adjustment part (12) are respectively provided in the assembly cavity (5), a screw conveying mechanism (8) is provided inside the glue application component (6), The guide adjustment portion (4) comprises a rotating wheel (41), a fixing rod (42), a movable seat (43), a spring (44) and a sealing folding plate (45); one end of the sealing folding plate (45) is movably sleeved in the gluing component (6) and controls the internal conduction and sealing of the gluing component (6). The rubber cutting adjustment component (13) comprises a first plate (131), a second block (132), a first inclined plane (133), a second inclined plane (134), a plane (135), an electric push rod (136) and a connecting plate (137). The rubber cutting adjustment component (13) pushes the guide adjustment parts (4) on both sides to slide and reset.

2. The device for dynamically adjusting the adhesive cutting length of the adhesive binding machine according to claim 1, characterized in that: The number of the clamping movable parts (2) is two, and the two clamping movable parts (2) are fixedly connected via a connecting piece (3) at one end. The clamping movable part (2) comprises a mounting seat (21) and a clamping frame (22). A slider is fixedly provided on one side of the mounting seat (21) and is slidably sleeved in the machine table (1). An electric adjustment rod is provided at the other end of the mounting seat (21) and controls the movement of the clamping frame (22). The glue cutting adjustment component (13) is fixed at the bottom of the clamping frame (22) and is clamped on both sides of a book page together with the clamping frame (22).

3. The device for dynamically adjusting the adhesive cutting length of the adhesive binding machine according to claim 2, characterized in that: The machine platform (1) is provided with an assembly slide groove (14) and an installation slide cavity (15) inside, respectively. One end of the assembly slide groove (14) is connected to the installation slide cavity (15), and the other end is connected to the assembly cavity (5). The sealing folding plate (45) is slidably sleeved in the assembly slide groove (14), and the movable seat (43) is slidably sleeved in the installation slide cavity (15). One end of the spring (44) is fixedly connected to the installation slide cavity (15), and the other end is fixedly connected to the movable seat (43). One end of the sealing folding plate (45) is fixedly connected to the movable seat (43). The fixed rod (42) is fixedly connected to the top of the movable seat (43), and the rotating wheel (41) is mounted on the outer surface of the fixed rod (42) through a bearing.

4. The device for dynamically adjusting the adhesive cutting length of the adhesive binding machine according to claim 3, characterized in that: The glue assembly (6) comprises a glue frame (61), an internal cavity (62), a top seat (63), a connecting cavity (64), a top cavity (65), a through hole (66) and a sealing sleeve (67), wherein the sealing sleeve (67) is provided on the front side of the glue frame (61) and passes through the glue frame (61), the top seat (63) is fixed on the top of the glue frame (61), the top cavity (65) is provided on the top of the top seat (63), and the internal cavity (62) is provided on the glue frame. (61), the through hole (66) is provided in the top seat (63), the upper end of the through hole (66) is communicated with the top cavity (65), and the lower end is communicated with the sealing sleeve opening (67), the communicating cavity (64) is provided inside the upper glue frame (61), the upper end of the communicating cavity (64) passes through the top of the upper glue frame (61), the lower part of the communicating cavity (64) is communicated with the internal cavity (62), and the free end of the sealing folding plate (45) is movably sleeved in the sealing sleeve opening (67).

5. The device for dynamically adjusting the adhesive cutting length of the adhesive binding machine according to claim 4, characterized in that: A roller (11) is provided inside the top cavity (65), and the roller (11) is rotatably disposed in the top cavity (65).

6. The device for dynamically adjusting the adhesive cutting length of the adhesive binding machine according to claim 5, characterized in that: A top frame (9) is fixedly provided on the top of the gluing component (6); the top frame (9) is located outside the top seat (63) and is connected to the upper end of the connecting cavity (64); the heating tube (10) is fixedly installed in the top frame (9).

7. The device for dynamically adjusting the adhesive cutting length of the adhesive binding machine according to claim 6, characterized in that: A communication frame is provided on the side of the storage box (7), and the storage box (7) is connected to the internal cavity (62) through the communication frame. The spiral conveying mechanism (8) comprises a motor, a rotating shaft and a spiral blade. The motor is nested in the machine table (1), and the output shaft of the motor is fixedly connected to the rotating shaft. The spiral blade is fixedly sleeved on the rotating shaft and is located in the internal cavity (62). The spiral conveying mechanism (8) conveys the hot melt adhesive in the internal cavity (62) to the top cavity (65), and applies it to the bottom of the book page through the roller (11).

8. The device for dynamically adjusting the adhesive cutting length of adhesive binding machine according to claim 7, characterized in that: The glue thickness adjustment part (12) comprises a scraper seat (121), a pre-storage chamber (122), a material guide frame (123) and a hydraulic lifting part (124); the scraper seat (121) is located in the assembly chamber (5); the pre-storage chamber (122) is opened at the top of the scraper seat (121); one end of the material guide frame (123) is fixed to the bottom of the scraper seat (121) and is connected to the pre-storage chamber (122); the other end is fixed to the side of the glue application component (6) and is connected to the communication chamber (64); the hydraulic lifting part (124) is fixed in the assembly chamber (5), and the movable end is fixedly connected to the scraper seat (121).

9. The device for dynamically adjusting the adhesive cutting length of adhesive binding machine according to claim 1, characterized in that: The first plate (131) and the second block (132) are both fixedly connected to the bottom of the clamping frame (22); the first inclined surface (133) is provided on the front end of the first plate (131); the second inclined surface (134) and the plane (135) are connected to each other and are provided on the rear end of the second block (132); a notch is provided on the rear end of the first plate (131); the electric push rod (136) is fixedly installed in the notch, and the movable end is fixedly connected to the connecting plate (137); one end of the connecting plate (137) is fixedly connected to the second block (132).

10. The device for dynamically adjusting the adhesive cutting length of adhesive binding machine according to claim 3, characterized in that: One end of the movable seat (43) is fixedly connected to a sleeve rod (16), one end of the sleeve rod (16) movably extends into the assembly cavity (5) and is fixedly connected to an impact block (17), the impact block (17) moves with the movable seat (43) and impacts the glue thickness adjustment portion (12).

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