Paper feeding mechanism of automatic box gluing machine
By introducing width adjustment, elastic pressing and tapping mechanisms into the paper feeding mechanism of the automatic box adhesive machine, the problem of offset during cardboard conveying is solved, and production efficiency and quality are improved.
Patent Information
- Application Number
- CN202520489781.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2035-03-20
AI Technical Summary
The existing automatic box adhesive machine lacks a limiting mechanism during cardboard conveying, resulting in cardboard being easily offset and reducing production efficiency and quality.
A paper feeding mechanism of an automatic box adhesive machine is designed, including a width adjustment mechanism, an elastic paper-up and down fine adjustment mechanism and a snapping mechanism. Through these mechanisms, the cardboard is limited, pressed and snapped to ensure that the cardboard is stable and aligned during the conveying process.
It effectively reduces the offset of cardboard during the conveying process and improves the efficiency and quality of carton production.
Smart Images
Figure CN222875458U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a paper feeding mechanism, in particular to a paper feeding mechanism of an automatic box gluing machine. Background Art
[0002] The automatic box gluing machine for carton production includes a machine body, a cardboard conveying device for conveying cardboard is arranged at the top of the machine body, and a paper feeding part, a folding part, a gluing part, a shaping part and a bundling part are arranged on the machine body in sequence along the cardboard conveying direction; when it is used, the machine body is first powered on to start the cardboard conveying device, and then the cardboard is conveyed from the paper feeding part to the inside of the machine body through the cardboard conveying device, and then the cardboard is folded, glued, shaped and bundled. However, in the prior art, when the cardboard is conveyed to the paper inlet, the cardboard is not limited, which makes it easy for the cardboard to shake and deviate during the conveying process, thereby reducing the production efficiency and quality of the carton. Utility Model Content
[0003] The problem to be solved by the utility model is to provide a paper feeding mechanism of an automatic carton gluing machine, which can limit and align the cardboard being conveyed, effectively reduce the deviation of the cardboard during the conveying process, and improve the production efficiency and quality of the carton.
[0004] In order to solve the above technical problems, the technical solutions adopted by the utility model are as follows:
[0005] A paper feeding mechanism of an automatic box gluing machine comprises a frame, a conveyor belt, a traction mechanism and a first driving mechanism capable of driving the conveyor belt to transport; the first driving mechanism is mounted on the frame, and the conveyor belt is arranged on the frame in a front-to-back direction; the traction mechanism comprises an upper pressure roller and a support roller arranged in parallel up and down, and a second driving mechanism capable of driving the upper pressure roller to rotate, the upper pressure roller and the support roller can be rotatably mounted on the frame and in a left-right direction, the conveyor belt has an upper forward section and a lower return section, the upper forward section of the conveyor belt is between the upper pressure roller and the support roller, and a paper feeding port is formed between the upper forward section of the conveyor belt and the upper pressure roller; the feature is that it also comprises a width adjustment mechanism, two elastic paper pressing and fine-tuning mechanisms up and down, and two aligning mechanisms; the width adjustment mechanism comprises two upper and lower parallel guide rods, a translation adjustment rod, A joint device and four mounting seats, two guide rods are installed on the frame, the lower guide rod is directly above the upper pressure roller and parallel to the upper pressure roller, the translation adjustment device is installed on the frame, the four mounting seats are respectively installed on the two guide rods and can move along the length direction of the two guide rods, and the four mounting seats are transmission connected with the power output end of the translation adjustment device; two elastic paper pressing up and down fine-tuning mechanisms are respectively installed on the two middle mounting seats, and the pressing ends of the two elastic paper pressing up and down fine-tuning mechanisms are arranged downward and are both behind the upper pressure roller; two aligning mechanisms are respectively installed on the two outermost mounting seats, and the power output ends of the two aligning mechanisms are arranged opposite to each other, and the power output ends of the two aligning mechanisms are arranged opposite to each other and are both behind the upper pressure roller.
[0006] The definition of the front and rear mentioned above is: based on the conveying direction of the forward section of the conveyor belt, the side that the forward section of the conveyor belt arrives at first is the rear, and the side that the forward section of the conveyor belt arrives at slowly is the front.
[0007] Before feeding paper, the positions of the four mounting seats on the guide rods are adjusted by the translation adjustment device, and then the distance between the two aligning mechanisms is adjusted to adapt to paperboards of different widths.
[0008] When feeding paper, the cardboard is placed on the conveyor belt one by one, and the conveyor belt is driven by the first driving mechanism to transport the cardboard forward. The cardboard first arrives between the two aligning mechanisms, and the upper surface of the cardboard is pressed by the pressing ends of two elastic paper pressing and fine-tuning mechanisms to reduce the shaking of the cardboard during transportation; then the two aligning mechanisms move relative to each other to align the left and right sides of the cardboard to ensure that the cardboard is centered and aligned to reduce deviation; finally, when the cardboard reaches the paper inlet, the upper pressing roller is driven by the second driving mechanism to rotate, and with the cooperation of the conveyor belt and the support roller, the cardboard is clamped and sent forward to ensure that the cardboard is stable during transportation.
[0009] The elastic design of the elastic paper pressing and fine-tuning mechanism can provide appropriate clamping force without damaging the cardboard, preventing the cardboard from being displaced due to vibration or friction during transportation, thereby improving the stability of transportation. The elastic paper pressing and fine-tuning mechanism can also be fine-tuned according to the different thicknesses of the cardboard, adapting to different specifications of cardboard, and improving the versatility and flexibility of the equipment.
[0010] In the preferred embodiment, the elastic paper pressing up and down fine-tuning mechanism comprises a strip pressure plate, a movable seat, a first compression spring, a second compression spring, an adjusting nut and a guide column vertically arranged on the top of the corresponding mounting seat, the movable seat is provided with a guide sleeve running up and down, the upper half of the guide column is provided with an external thread matching the adjusting nut, the first compression spring, the guide sleeve, the second compression spring and the adjusting nut are sequentially mounted on the guide column from bottom to top, the first compression spring is located between the lower surface of the movable seat and the top of the mounting seat, and the second compression spring is located between the lower end surface of the adjusting nut and the upper surface of the movable seat; the front side surface of the strip pressure plate is connected to the movable seat, and the strip pressure plate is located behind the corresponding mounting seat; a limiting column running forward and backward is provided on the rear side surface of the corresponding mounting seat, the strip pressure plate is provided with a strip through hole running up and down, the limiting column is located in the strip through hole and can move in the strip through hole, and the rear end surface of the limiting column is located in front of the rear side surface of the strip pressure plate; the lower end surface of the strip pressure plate constitutes the pressing end of the elastic paper pressing up and down fine-tuning mechanism. The first and second compression springs and the second compression spring can provide buffering to ensure that the pressure of the strip pressure plate on the cardboard is moderate to avoid damaging the cardboard. The operator rotates the adjustment nut to move the adjustment nut up and down along the external thread of the guide column; as the adjustment nut moves, the second compression spring is compressed or released, so that the moving seat drives the strip pressure plate to move up and down along the guide column, thereby fine-tuning the height of the lower end surface of the strip pressure plate according to the different thicknesses of the cardboard. The above-mentioned limit column moves up and down in the strip through hole to ensure the stability and correct position of the strip pressure plate.
[0011] In a further preferred embodiment, the elasticity of the first compression spring is greater than that of the second compression spring. The first compression spring with greater elasticity bears the main load, and the second compression spring is responsible for fine-tuning, so as to avoid excessive pressure on a single compression spring, extend the service life of the two compression springs, and reduce the maintenance frequency.
[0012] In a further preferred embodiment, a hand wheel is installed on the upper end surface of the adjusting nut. This arrangement makes it convenient for an operator to turn the adjusting nut through the hand wheel.
[0013] In a further preferred embodiment, the lower surface of the movable seat is provided with a first limiting groove with a notch facing downward, and the upper end of the first compression spring is located in the first limiting groove; the lower end surface of the adjusting nut is provided with a second limiting groove with a notch facing downward, and the upper surface of the movable seat is provided with a third limiting groove with a notch facing upward, and the upper end of the second compression spring is located in the second limiting groove, and the lower end of the second compression spring is located in the third limiting groove. The first limiting groove fixes the upper end of the first compression spring, the second limiting groove fixes the upper end of the second compression spring, and the third limiting groove fixes the lower end of the second compression spring, so as to prevent the two compression springs from being offset or tilted when subjected to force, ensure that the two compression springs are always extended and retracted along the axial direction of the guide column, ensure that the compression and rebound actions of the springs are accurate, and improve the reliability of pressing.
[0014] In the preferred embodiment, the aligning mechanism includes an aligning cylinder and an aligning plate. The aligning cylinder is mounted on the mounting seat. The piston rod of the aligning cylinder extends inward and is parallel to the guide rod. The aligning plate is mounted on the end of the piston rod of the aligning cylinder. The aligning plates of the two aligning mechanisms are arranged opposite to each other and are parallel. When the cardboard on the conveyor belt is transported to the paper inlet, the aligning cylinder drives the aligning plate to align the left and right sides of the cardboard, ensuring that the cardboard is always centered during the transportation process.
[0015] In a further preferred embodiment, the aligning board includes a vertical board and a connecting board connected in sequence from front to back, and the connecting board is gradually inclined outward from front to back. The connecting board inclined outward can guide the conveying of the cardboard and smoothly guide the cardboard into between the two aligning boards.
[0016] In a preferred embodiment, the mounting seat is provided with two first guide holes corresponding to the corresponding guide rods, and the two guide rods are respectively located in the corresponding first guide holes.
[0017] In a further preferred embodiment, the translation adjustment device comprises a first screw rod, a second screw rod, two first nuts, two second nuts and two screw rod rotation driving devices, the two screw rod rotation driving devices are both mounted on the frame, one end of the first screw rod and one end of the second screw rod are respectively connected to the power output end of the corresponding screw rod rotation driving device, and the first screw rod and the second screw rod are both parallel to the guide rod, the first screw rod is provided with a forward thread segment, the second screw rod is provided with a reverse thread segment, the two first nuts are sleeved on the forward thread segment, the two second nuts are sleeved on the reverse thread segment, the two first nuts are respectively connected to the two mounting seats on the left side, and the two second nuts are respectively connected to the two mounting seats on the right side. When adjusting the position of the mounting seat, the first screw rod and the second screw rod can be driven to rotate respectively by the two screw rod rotation driving devices, so that the two first nuts move along the forward thread segment, the two second nuts move along the reverse thread segment, and the corresponding mounting seats are driven to move accordingly. The screw rod rotation driving device can use a servo motor or a hand wheel, preferably a servo motor.
[0018] Usually, the specific structures of the first driving mechanism and the second driving mechanism can adopt a structure in which a driving motor, a synchronous belt and a plurality of synchronous wheels cooperate with each other.
[0019] Compared with the prior art, the utility model has the following advantages:
[0020] The utility model can limit and align the cardboard during transportation, effectively reduce the deviation of the cardboard during transportation, and improve the production efficiency and quality of the carton. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;
[0022] Figure 2 yes Figure 1 Cross-sectional view of the middle traction mechanism, width adjustment mechanism, and elastic paper pressing mechanism for fine-tuning up and down movement. DETAILED DESCRIPTION
[0023] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
[0024] like Figure 1-2As shown, the paper feeding mechanism of the automatic box gluing machine in this embodiment includes a frame 1, a conveyor belt 2, a traction mechanism 3, a width adjustment mechanism 4, two elastic paper pressing and fine-tuning mechanisms 5, two aligning mechanisms 6 and a first driving mechanism (not shown in the figure) capable of driving the conveyor belt 2 to transport; the first driving mechanism is installed on the frame 1, and the conveyor belt 2 is arranged on the frame 1 in a front-to-back direction; the traction mechanism 3 includes an upper pressure roller 31 and a support roller 32 arranged in parallel up and down, and a second driving mechanism (not shown in the figure) capable of driving the upper pressure roller 31 to rotate, the upper pressure roller 31 and the support roller 32 can be rotatably installed on the frame 1 and in a left-right direction, the conveyor belt 2 has an upper forward section 21 and a lower return section 22, the upper forward section 21 of the conveyor belt 2 is between the upper pressure roller 31 and the support roller 32, and the upper forward section 21 of the conveyor belt 2 and the upper pressure roller 31 form a paper feeding port 7; the width adjustment mechanism 4 includes two upper and lower parallel guide rollers. The machine frame 1 comprises a guide rod 41, a translation adjustment device 42 and four mounting seats 43. The two guide rods 41 are both mounted on the frame 1. The lower guide rod 41 is directly above the upper pressure roller 31 and parallel to the upper pressure roller 31. The translation adjustment device 42 is mounted on the frame 1. The four mounting seats 43 are respectively mounted on the two guide rods 41 and can move along the length direction of the two guide rods 41. The four mounting seats 43 are all connected to the power output end of the translation adjustment device 42 by transmission; the two elastic paper pressing up and down fine-tuning mechanisms 5 are respectively mounted on the two middle mounting seats 43, and the pressing ends of the two elastic paper pressing up and down fine-tuning mechanisms 5 are arranged downward and are both behind the upper pressure roller 31; the two aligning mechanisms 6 are respectively mounted on the two outermost mounting seats 43, and the power output ends of the two aligning mechanisms 6 are arranged opposite to each other, and the power output ends of the two aligning mechanisms 6 are arranged opposite to each other and are both behind the upper pressure roller 31.
[0025] The definition of the front and rear mentioned above is: based on the conveying direction of the forward section of the conveyor belt 2, the side that the forward section of the conveyor belt 2 arrives at first is the rear, and the side that the forward section of the conveyor belt 2 arrives at slowly is the front.
[0026] Before feeding paper, the positions of the four mounting seats 43 on the guide rod 41 are adjusted by the translation adjustment device 42, and then the distance between the two snapping mechanisms 6 is adjusted to adapt to paperboards of different widths.
[0027] When feeding paper, the cardboard is placed on the conveyor belt 2 piece by piece, and the conveyor belt 2 is driven by the first driving mechanism to drive the cardboard forward. The cardboard first arrives between the two aligning mechanisms 6, and the upper surface of the cardboard is pressed by the pressing ends of the two elastic paper pressing and fine-tuning mechanisms 5 to reduce the shaking of the cardboard during transportation; then the two aligning mechanisms 6 move relative to each other to align the left and right sides of the cardboard to ensure that the cardboard is centered and aligned to reduce deviation; finally, when the cardboard reaches the paper inlet 7, the upper pressing roller 31 is driven by the second driving mechanism to rotate, and with the cooperation of the conveyor belt 2 and the support roller 32, the cardboard is clamped and sent forward to ensure that the cardboard is stable during transportation.
[0028] The elastic design of the elastic paper pressing and fine-tuning mechanism 5 can provide appropriate clamping force without damaging the paperboard, preventing the paperboard from being displaced due to vibration or friction during transportation, thereby improving the stability of transportation. The elastic paper pressing and fine-tuning mechanism 5 can also be fine-tuned according to the different thicknesses of the paperboard, adapting to different specifications of paperboard, and improving the versatility and flexibility of the equipment.
[0029] The elastic paper pressing and fine-tuning mechanism 5 comprises a strip pressure plate 51, a moving seat 52, a first compression spring 53, a second compression spring 54, an adjusting nut 56 and a guide column 55 vertically arranged on the top of the corresponding mounting seat 43. The moving seat 52 is provided with a guide sleeve extending up and down, and the upper half of the guide column 55 is provided with an external thread matching the adjusting nut 56. The first compression spring 53, the guide sleeve, the second compression spring 54 and the adjusting nut 56 are sequentially mounted on the guide column 55 from bottom to top. The first compression spring 53 is located between the lower surface of the moving seat 52 and the top of the mounting seat 43, and the second compression spring 54 is located between the lower surface of the moving seat 52 and the top of the mounting seat 43. The strip pressure plate 51 is located between the lower end surface of the adjusting nut 56 and the upper surface of the moving seat 52; the front side surface of the strip pressure plate 51 is connected to the moving seat 52, and the strip pressure plate 51 is located behind the corresponding mounting seat 43; the rear side surface of the corresponding mounting seat 43 is provided with a limit column 431 running forward and backward, and the strip pressure plate 51 is provided with a strip through hole 511 running up and down, the limit column 431 is located in the strip through hole 511 and can move in the strip through hole 511, and the rear end surface of the limit column 431 is located in front of the rear side surface of the strip pressure plate 51; the lower end surface of the strip pressure plate 51 constitutes the pressing end of the elastic paper pressing up and down fine-tuning mechanism 5. The first and second compression springs 54 and the second compression spring 54 can provide buffering to ensure that the pressing force of the strip pressure plate 51 on the paperboard is moderate to avoid damaging the paperboard. The operator rotates the adjusting nut 56 to move the adjusting nut 56 up and down along the external thread of the guide post 55; as the adjusting nut 56 moves, the second compression spring 54 is compressed or released, so that the moving seat 52 drives the strip pressure plate 51 to move up and down along the guide post 55, thereby fine-tuning the height of the lower end surface of the strip pressure plate 51 according to the different thicknesses of the paperboard. The above-mentioned limit column 431 moves up and down in the strip through hole 511 to ensure the stability and correct position of the strip pressure plate 51.
[0030] The elasticity of the first compression spring 53 is greater than that of the second compression spring 54. The first compression spring 53 with greater elasticity bears the main load, and the second compression spring 54 is responsible for fine-tuning, so as to avoid excessive pressure on a single compression spring, extend the service life of the two compression springs, and reduce the maintenance frequency.
[0031] The upper end surface of the adjusting nut 56 is provided with a hand wheel 57. By this arrangement, it is convenient for the operator to turn the adjusting nut 56 by the hand wheel 57.
[0032] The lower surface of the movable seat 52 is provided with a first limiting groove 521 with a notch facing downward, and the upper end of the first compression spring 53 is located in the first limiting groove 521; the lower end surface of the adjusting nut 56 is provided with a second limiting groove 561 with a notch facing downward, and the upper surface of the movable seat 52 is provided with a third limiting groove 522 with a notch facing upward, and the upper end of the second compression spring 54 is located in the second limiting groove 561, and the lower end of the second compression spring 54 is located in the third limiting groove 522. The first limiting groove 521 fixes the upper end of the first compression spring 53, the second limiting groove 561 fixes the upper end of the second compression spring 54, and the third limiting groove 522 fixes the lower end of the second compression spring 54, so as to prevent the two compression springs from being offset or tilted when subjected to force, ensure that the two compression springs are always extended and retracted along the axial direction of the guide column 55, ensure that the compression and rebound actions of the springs are accurate, and improve the reliability of pressing.
[0033] The aligning mechanism 6 includes an aligning cylinder 61 and an aligning plate 62. The aligning cylinder 61 is mounted on the mounting seat 43. The piston rod of the aligning cylinder 61 extends inward and is parallel to the guide rod 41. The aligning plate 62 is mounted on the end of the piston rod of the aligning cylinder 61. The aligning plates 62 of the two aligning mechanisms 6 are arranged opposite to each other and in parallel. When the cardboard on the conveyor belt 2 is transported to the paper inlet 7, the aligning cylinder 61 drives the aligning plate 62 to align the left and right sides of the cardboard to ensure that the cardboard is always centered during the transportation process.
[0034] The aligning plate 62 includes a vertical plate 621 and a connecting plate 622 connected in sequence from front to back, and the connecting plate 622 is gradually inclined outward from front to back. The connecting plate 622 arranged outwardly can guide the conveying of the cardboard and smoothly guide the cardboard into between the two aligning plates 62.
[0035] The mounting seat 43 is provided with two first guide holes 432 corresponding to the corresponding guide rods 41 , and the two guide rods 41 are respectively located in the corresponding first guide holes 432 .
[0036] The translation adjustment device 42 includes a first screw rod 421, a second screw rod 422, two first nuts 423, two second nuts 424 and two screw rod rotation driving devices (not shown in the figure), and the two screw rod rotation driving devices are both installed on the frame 1. One end of the first screw rod 421 and one end of the second screw rod 422 are respectively connected to the power output ends of the corresponding screw rod rotation driving devices, and the first screw rod 421 and the second screw rod 422 are both parallel to the guide rod 41. The first screw rod 421 is provided with a forward thread segment, and the second screw rod 422 is provided with a reverse thread segment. The two first nuts 423 are both sleeved on the forward thread segment, and the two second nuts 424 are both sleeved on the reverse thread segment. The two first nuts 423 are respectively connected to the two mounting seats 43 on the left, and the two second nuts 424 are respectively connected to the two mounting seats 43 on the right. When adjusting the position of the mounting seat 43, the first screw 421 and the second screw 422 can be driven to rotate respectively by two screw rotation driving devices, so that the two first nuts 423 move along the forward thread segment and the two second nuts 424 move along the reverse thread segment, and drive the corresponding mounting seat 43 to move accordingly. The screw rotation driving device can be a servo motor or a hand wheel, preferably a servo motor.
[0037] In addition, it should be noted that the names of the various parts of the specific embodiments described in this specification may be different, and any equivalent or simple changes made based on the structure, features and principles described in the utility model patent concept are included in the protection scope of the utility model patent. The technical personnel of the technical field to which the utility model belongs can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.
Claims
1. A paper feeding mechanism of an automatic box gluing machine, comprising a frame, a conveyor belt, a traction mechanism and a first driving mechanism capable of driving the conveyor belt to transport; the first driving mechanism is mounted on the frame, and the conveyor belt is arranged on the frame in a front-to-back direction; the traction mechanism comprises an upper pressing roller and a supporting roller arranged in parallel up and down, and a second driving mechanism capable of driving the upper pressing roller to rotate, the upper pressing roller and the supporting roller can be rotatably mounted on the frame and in a left-right direction, the conveyor belt has an upper forward section and a lower return section, the upper forward section of the conveyor belt is between the upper pressing roller and the supporting roller, and a paper feeding port is formed between the upper forward section of the conveyor belt and the upper pressing roller; the characteristics are as follows: It also includes a width adjustment mechanism, two elastic paper pressing up and down fine-tuning mechanisms and two snapping mechanisms; the width adjustment mechanism includes two vertically parallel guide rods, a translation adjustment device and four mounting seats, the two guide rods are both installed on the frame, the lower guide rod is directly above the upper pressure roller and parallel to the upper pressure roller, the translation adjustment device is installed on the frame, the four mounting seats are respectively installed on the two guide rods and can move along the length direction of the two guide rods, and the four mounting seats are all transmission-connected with the power output end of the translation adjustment device; the two elastic paper pressing up and down fine-tuning mechanisms are respectively installed on the two middle mounting seats, the pressing ends of the two elastic paper pressing up and down fine-tuning mechanisms are arranged downward and are both located behind the upper pressure roller; the two snapping mechanisms are respectively installed on the two outermost mounting seats, and the power output ends of the two snapping mechanisms are arranged oppositely, and the power output ends of the two snapping mechanisms are arranged oppositely and are both located behind the upper pressure roller.
2. The paper feeding mechanism of the automatic box gluer as claimed in claim 1, characterized in that: The elastic paper pressing and adjusting mechanism comprises a strip pressure plate, a movable seat, a first compression spring, a second compression spring, an adjusting nut and a guide column vertically arranged on the top of the corresponding mounting seat, the movable seat is provided with a guide sleeve running up and down, the upper half of the guide column is provided with an external thread matching the adjusting nut, the first compression spring, the guide sleeve, the second compression spring and the adjusting nut are sequentially mounted on the guide column from bottom to top, the first compression spring is located between the lower surface of the movable seat and the top of the mounting seat, and the second compression spring is located between the lower end surface of the adjusting nut and the upper surface of the movable seat; the front side surface of the strip pressure plate is connected to the movable seat, and the strip pressure plate is located behind the corresponding mounting seat; a limiting column running forward and backward is provided on the rear side surface of the corresponding mounting seat, the strip pressure plate is provided with a strip through hole running up and down, the limiting column is located in the strip through hole and can move in the strip through hole, and the rear end surface of the limiting column is located in front of the rear side surface of the strip pressure plate; the lower end surface of the strip pressure plate constitutes the pressing end of the elastic paper pressing and adjusting mechanism.
3. The paper feeding mechanism of the automatic box gluer as claimed in claim 2, characterized in that: The elasticity of the first compression spring is greater than the elasticity of the second compression spring.
4. The paper feeding mechanism of the automatic box gluer as claimed in claim 2, characterized in that: A hand wheel is installed on the upper end surface of the adjusting nut.
5. The paper feeding mechanism of the automatic box gluer as claimed in claim 2, characterized in that: The lower surface of the movable seat is provided with a first limiting groove with a notch facing downward, and the upper end of the first compression spring is located in the first limiting groove; the lower end surface of the adjusting nut is provided with a second limiting groove with a notch facing downward, and the upper surface of the movable seat is provided with a third limiting groove with a notch facing upward, the upper end of the second compression spring is located in the second limiting groove, and the lower end of the second compression spring is located in the third limiting groove.
6. The paper feeding mechanism of the automatic box gluer as claimed in claim 1, characterized in that: The alignment mechanism includes an alignment cylinder and an alignment plate. The alignment cylinder is installed on the mounting seat. The piston rod of the alignment cylinder extends inward and is parallel to the guide rod. The alignment plate is installed on the end of the piston rod of the alignment cylinder. The alignment plates of the two alignment mechanisms are arranged opposite to each other and in parallel.
7. The paper feeding mechanism of the automatic box gluer as claimed in claim 6, characterized in that: The aligning plate comprises a vertical plate and a connecting plate which are sequentially connected from front to back, and the connecting plate is gradually inclined outward from front to back.
8. The paper feeding mechanism of the automatic box gluer as claimed in claim 1, characterized in that: The mounting seat is provided with two first guide holes corresponding to the corresponding guide rods, and the two guide rods are respectively located in the corresponding first guide holes.
9. The paper feeding mechanism of the automatic box gluing machine as claimed in claim 1 or 8, characterized in that: The translation adjustment device includes a first screw rod, a second screw rod, two first nuts, two second nuts and two screw rod rotation driving devices, the two screw rod rotation driving devices are both installed on the frame, one end of the first screw rod and one end of the second screw rod are respectively connected to the power output end of the corresponding screw rod rotation driving device, and the first screw rod and the second screw rod are both parallel to the guide rod, the first screw rod is provided with a forward thread section, and the second screw rod is provided with a reverse thread section, the two first nuts are both sleeved on the forward thread section, and the two second nuts are both sleeved on the reverse thread section, the two first nuts are respectively connected to the two mounting seats on the left, and the two second nuts are respectively connected to the two mounting seats on the right.