Belt pinch ejection steering mechanism

Abstract

The utility model discloses a belt pinch ejection steering mechanism which comprises a rack, two annular conveying belts, a paper receiving mechanism and an ejection guide roller, and each annular conveying belt is provided with a forward section running from front to back and a return section running from back to front. The forward sections of the two annular conveying belts are correspondingly matched to form a vertical paper conveying channel for vertically standing and conveying paper boxes; the paper receiving mechanism is installed on the rack, and the front end of the paper receiving mechanism is in butt joint with the rear end of the vertical paper conveying channel. The ejection guide roller is rotationally installed on the rack and located on the rear side of the rear end of the vertical paper conveying channel, the roller face tangent direction, facing the front end of the paper receiving mechanism, of the ejection guide roller is located on the outer side of the rear end of the vertical paper conveying channel, and the ejection guide roller is used for ejecting and pushing a paper box at the rear end of the vertical paper conveying channel to the front end of the paper receiving mechanism. According to the belt clamping, ejecting and steering mechanism, paper boxes can be kept in a vertical standing state all the time and steer stably, frequent manual arrangement is not needed, and the continuous operation efficiency of a production line is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a belt sends the equipment, especially in a kind of belt clamp sends the ejection steering mechanism. BACKGROUND

[0002] In the packaging and printing industry, the application of box pasting machine is the last process of packaging box processing, which folds and shapes the printed and die-cut shaped paperboard and sticks the paste, and the machine pasting box replaces manual pasting box, reduces labor cost and greatly improves production efficiency.

[0003] The current box pasting production line includes a paper feeding device, a box pasting device, a paper standing device, a collecting and conveying device, and a boxing device. The paper feeding device and the box pasting device, the box pasting device and the paper standing device, and the paper standing device and the collecting and conveying device are all automated. The paper box delivered by the paper standing device needs to be diverted to the collecting and conveying device for stacking and collecting. However, the existing paper box diversion structure mostly adopts the hard guide plate abutting guide mode, and the paper box only relies on the pushing force of the subsequent paper box to complete the diversion. The pushing force is uncontrollable, which easily causes the paper box to be stuck and accumulated at the diversion joint, and manual frequent arrangement is required, which affects the production continuity of the paper box. SUMMARY

[0004] The problem to be solved by the utility model is to provide a belt clamp feeding and ejection steering mechanism, which can make the paper box always maintain a vertical standing state and smoothly divert without frequent manual arrangement, thereby improving the continuous operation efficiency of the production line.

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

[0006] A belt clamp feeding and ejection steering mechanism, comprising a rack and two annular conveying belts, the two annular conveying belts each have an advancing section running from front to back and a returning section running from back to front, and the advancing sections of the two annular conveying belts correspondingly cooperate and form a vertical paper conveying channel capable of vertically standing and conveying paper boxes; characterized in that it further comprises a paper receiving mechanism and an ejection guide roller, the paper receiving mechanism is installed on the rack, and the front end of the paper receiving mechanism is connected to the rear end of the vertical paper conveying channel; the ejection guide roller is rotatably installed on the rack and located at the rear side of the rear end of the vertical paper conveying channel, the tangent direction of the roller surface of the ejection guide roller towards the front end of the paper receiving mechanism is located outside the rear end of the vertical paper conveying channel, and the ejection guide roller is used to push the paper box at the rear end of the vertical paper conveying channel to the front end of the paper receiving mechanism.

[0007] The above definitions of front and rear are as follows: taking the conveying direction of the vertical paper conveying channel as the reference, the side where the paper box arrives first is the front, and the side where the paper box arrives later is the rear. The above vertical paper conveying channel is perpendicular to the horizontal plane and can convey paper boxes in a vertical standing state.

[0008] In operation, the paper boxes are continuously clamped and conveyed by the two endless conveying belts in a vertical standing state, and are smoothly conveyed along the vertical paper conveying channel to the rear end of the channel; at this time, the rear edge of the paper box first contacts the roller surface of the ejection guide roller facing the front end of the paper receiving mechanism, the ejection guide roller is synchronously rotated, the roller surface of the ejection guide roller facing the front end of the paper receiving mechanism applies a transverse ejection force to the paper box towards the front end of the paper receiving mechanism, the ejection force directly breaks the longitudinal conveying motion state of the paper box along the vertical paper conveying channel; under the action of the transverse ejection force, the paper box smoothly turns towards the front end of the paper receiving mechanism around the contact point of the ejection guide roller, and the continuous clamping of the two endless conveying belts makes the paper box always maintain a vertical standing posture, and finally the paper box is smoothly pushed from the rear end of the vertical paper conveying channel to the front end of the paper receiving mechanism, completing the entire ejection and turning process.

[0009] In a preferred embodiment, the belt clamping and ejection turning mechanism further comprises a first clamping roller and a second clamping roller, the first clamping roller and the ejection guide roller are both tensioned on the outside of one of the two endless conveying belts, and the second clamping roller is tensioned on the outside of the other endless conveying belt; the first clamping roller and the second clamping roller correspondingly cooperate and constitute the rear end of the vertical paper conveying channel, and the ejection guide roller is located at the rear side of the first clamping roller. The ejection guide roller and the first clamping roller are both tensioned on the outside of the same endless conveying belt, and the ejection guide roller is located at the rear side of the first clamping roller; under the limitation of the first clamping roller and the ejection guide roller, the part of the endless conveying belt contacting the ejection guide roller naturally protrudes towards the front end of the paper receiving mechanism, forming an arc-shaped ejection end protruding towards the front end of the paper receiving mechanism, which provides a force point for the active ejection of the paper box turning.

[0010] In a further preferred embodiment, the belt clamping and ejection turning mechanism further comprises a first position fine adjustment mechanism, a second position fine adjustment mechanism and an ejection seat; the first position fine adjustment mechanism is installed on the frame, the adjustment direction of the first position fine adjustment mechanism is the same as the conveying direction of the vertical paper conveying channel; the second position fine adjustment mechanism is installed on the power output end of the first position fine adjustment mechanism, the adjustment direction of the second position fine adjustment mechanism is the same as the conveying direction of the paper receiving mechanism; the ejection seat is installed on the power output end of the second position fine adjustment mechanism, and the ejection guide roller and the first clamping roller are both rotatably installed on the ejection seat. The positions of the second position fine adjustment mechanism, the ejection seat, the ejection guide roller and the first clamping roller are fine adjusted along the vertical paper conveying channel by the first position fine adjustment mechanism, and the positions of the ejection seat, the ejection guide roller and the first clamping roller are fine adjusted along the paper receiving mechanism by the second position fine adjustment mechanism; through the two-way adjustment, the positions of the ejection guide roller and the first clamping roller can be accurately adjusted, and the protruding arc of the endless conveying belt and the ejection point position can be adjusted, thereby adapting to paper boxes of different sizes.

[0011] Further preferably, the ejection seat is provided with a rotatable first guide roller, the first guide roller is located between the first pinch roller and the ejection guide roller, and in the conveying direction of the paper receiving mechanism, the first guide roller is located on the front side between the first pinch roller and the ejection guide roller, the first guide roller is tensioned on the inner side of the corresponding annular conveying belt, and the annular conveying belt between the first pinch roller, the first guide roller and the ejection guide roller forms a U-shaped adjusting groove section with an opening facing the front end of the paper receiving mechanism. The above-mentioned U-shaped adjusting groove section provides rigid bending limiting for the annular conveying belt, fixes the convex curvature and convex amount of the annular conveying belt, avoids the convex posture deviation of the annular conveying belt caused by tension changes and vibrations during operation, ensures the uniformity of the ejection force size and action point on the carton, and ensures the consistency of the turning force on the carton.

[0012] Further preferably, the ejection seat is provided with a swing frame and a torsion spring, one end of the swing frame is provided with a rotating shaft, the swing frame is rotatably installed on the ejection seat through the rotating shaft, and the first pinch roller is rotatably installed on the other end of the swing frame; the torsion spring is sleeved on the rotating shaft, the rotating shaft is provided with a insertion hole, the side wall of the swing frame is provided with a positioning column, the first elastic arm of the torsion spring is inserted into the insertion hole, and the second elastic arm of the torsion spring is buckled with the positioning column. The elastic force of the above-mentioned torsion spring can drive the swing frame to dynamically and adaptively swing around the rotating shaft, automatically adjust the adhesion of the first pinch roller and the belt according to the thickness of the carton, automatically compensate the tension changes of the annular conveying belt and the thickness deviation of the carton, ensure the dynamic balance of the ejection force and the turning force, and avoid the ejection failure caused by belt relaxation or uneven carton thickness.

[0013] Further preferably, the first position fine adjustment mechanism includes a first guide rail, a first sliding block, a translation seat and a translation driving unit capable of driving the translation seat to move, the translation driving unit and the first guide rail are installed on the rack, the first guide rail is parallel to the conveying direction of the vertical paper conveying channel, the first sliding block is installed on the first guide rail and can move forward and backward on the first guide rail, the translation seat is installed on the first sliding block, and the second position fine adjustment mechanism is installed on the translation seat. Through the limiting guide of the first guide rail, the first sliding block is driven by the translation driving unit to slide forward and backward on the first guide rail, thereby driving the translation seat, the second position fine adjustment mechanism, the ejection seat, the ejection guide roller and the first pinch roller on the first sliding block to move forward and backward along the conveying direction of the vertical paper conveying channel. Usually, the above-mentioned translation driving unit can adopt the structure of a driving motor, a driving pulley, a driven pulley and a synchronous belt, one end of the translation seat is connected with the synchronous belt, the driving motor drives the driving pulley to rotate, the driven pulley and the synchronous belt are transmitted to make the translation seat move forward and backward on the first guide rail.

[0014] In a further preferred solution, the second position fine adjustment mechanism comprises a lead screw, a nut seat and a lead screw driving unit capable of driving the lead screw to rotate; the translation seat is provided with a second guide rail, which is parallel to the conveying direction of the paper receiving mechanism; the ejection seat is installed on the second guide rail and can move forward and backward along the second guide rail; the lead screw is rotatably installed on the translation seat, the lead screw is parallel to the second guide rail, and the lead screw is engaged with the nut seat, and the nut seat is connected with the ejection seat. The lead screw driving unit drives the lead screw to rotate, the lead screw drives the nut seat to move along the second guide rail, and the nut seat drives the ejection seat to move, so that the position fine adjustment of the ejection roller and the first pinch roller on the ejection seat can be realized.

[0015] In a specific solution, the lead screw driving unit is a motor, and one end of the lead screw is in transmission connection with the power output shaft of the motor. According to the above arrangement, the lead screw is driven to rotate by the motor. In another specific solution, the lead screw driving unit is a hand wheel, and the hand wheel is installed at one end of the lead screw. The hand wheel is manually rotated by the user to drive the lead screw to rotate.

[0016] In a preferred solution, a guide slide plate is arranged below the front end of the paper receiving mechanism and the rear end of the vertical paper conveying channel, the guide slide plate is installed on the frame and below the ejection roller. During the turning of the paper box, the guide slide plate provides bottom transition support for the paper box at the turning joint, preventing the paper box from falling and ensuring the stability of the posture during the turning of the paper box.

[0017] In a preferred solution, the paper receiving mechanism comprises a paper receiving conveying belt, the conveying direction of the paper receiving conveying belt is perpendicular to the conveying direction of the vertical paper conveying channel, and the rear end of the vertical paper conveying channel corresponds to the front end of the paper receiving mechanism. The paper receiving conveying belt conveys backward to provide conveying power for the turned paper box, realizing smooth joint of turning and subsequent conveying.

[0018] Generally, the above-mentioned paper receiving conveying belt and the two annular conveying belts can be driven to convey by a conveying driving mechanism. The conveying driving mechanism generally comprises a driving roller, a driven roller and a driving motor capable of driving the driving roller to rotate, the driving motor is installed on the frame, the driving roller and the driven roller are rotatably installed on the frame, and the paper receiving conveying belt and the two annular conveying belts are respectively tensioned outside the corresponding driving roller and driven roller.

[0019] In a further preferred solution, the paper receiving mechanism further comprises a first side blocking conveying mechanism and a second side blocking conveying mechanism, the first side blocking conveying mechanism and the second side blocking conveying mechanism are both mounted on the frame, the first side blocking conveying mechanism and the second side blocking conveying mechanism are respectively located at the left side and the right side of the paper receiving conveying belt, and the conveying surfaces of the first side blocking conveying mechanism and the second side blocking conveying mechanism are both perpendicular to and above the conveying surface of the paper receiving conveying belt; along the conveying direction of the paper receiving conveying belt, the front end of the first side blocking conveying mechanism is located at the front side of the ejection guide roller, and the front end of the second side blocking conveying mechanism is located at the outer side of the rear end of the vertical paper conveying channel. The first side blocking conveying mechanism and the second side blocking conveying mechanism clamp and guide from the left side and the right side to limit the turning track of the carton and avoid the carton from moving around. During operation, the carton is subjected to the transverse ejection force, and the subsequent carton is continuously pushed backward to form a longitudinal pushing force, and one side of the carton is in contact with the conveying surface of the first side blocking conveying mechanism, and the first side blocking conveying mechanism forms a transverse blocking force on the carton; under the combined action of the transverse ejection force, the longitudinal pushing force and the transverse blocking force, the longitudinal pushing force is completely converted into a transverse turning force of the carton on the paper receiving mechanism, and the carton starts to smoothly turn around the contact point to the paper receiving mechanism.

[0020] In a further preferred solution, the front end of the first side blocking conveying mechanism is provided with a paper blocking plate, and along the conveying direction of the paper receiving conveying belt, the paper blocking plate is located at the front side of the ejection guide roller. The paper blocking plate is located at the front side of the ejection guide roller, and when the carton contacts the arc-shaped ejection end and one side of the carton contacts the first side blocking conveying mechanism, the paper blocking plate blocks the front side of the carton, avoids the carton from moving around to the front side of the paper receiving conveying belt due to inertia, enables the longitudinal pushing force of the subsequent carton to be efficiently converted into a transverse turning force, and improves the turning efficiency and smoothness.

[0021] Generally, the first side blocking conveying mechanism and the second side blocking conveying mechanism both comprise a first annular belt, a first driving motor, a first driving roller, a first driven roller and a plurality of first guide rollers, the first driving motor is mounted on the frame, the first driving roller, the first driven roller and the first guide rollers are all rotatably mounted on the frame, the first driving roller, the first driven roller and the first guide rollers jointly tension the first annular belt, and the first driving roller is in transmission connection with the output shaft of the first driving motor. The first driving motor is used to drive the first driving roller to rotate, and the conveying of the first annular belt is realized.

[0022] Compared with the prior art, the utility model has the advantages of:

[0023] The utility model discloses utilize the ejection guide roller limit and form the arc-shaped ejection end, provide the carton with initiative, continuous forward ejection force, cooperate the longitudinal pushing force of the subsequent carton, and the longitudinal pushing force is efficiently converted into the controllable transverse turning force, solved the carton turning jam, the accumulation problem of traditional structure only rely on the uncontrolled pushing force, need not manual frequent arrangement, and the continuous operation efficiency of production line is greatly improved. Attached Figure Description

[0024] Figure 1 This is a structural schematic diagram of a specific embodiment of the present utility model;

[0025] Figure 2 yes Figure 1 A structural diagram viewed from above;

[0026] Figure 3 yes Figure 1 A structural diagram viewed from below;

[0027] Figure 4 This is a schematic diagram of the swing frame and torsion spring in a specific embodiment of this utility model. Detailed Implementation

[0028] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0029] like Figures 1-4 As shown, the belt-driven feeding and ejection steering mechanism in this embodiment includes a frame 1, two annular conveyor belts 2, a paper receiving mechanism 8, and an ejection guide roller 5. Each of the two annular conveyor belts 2 has a forward section 21 that runs from front to back and a return section that runs from back to front. The forward sections 21 of the two annular conveyor belts 2 are correspondingly matched to form a vertical paper feeding channel 11 that allows the paper box to be vertically fed. The paper receiving mechanism 8 is installed on the frame 1, and the front end of the paper receiving mechanism 8 is opposite to the rear end of the vertical paper feeding channel 11. The ejection guide roller 5 is rotatably installed on the frame 1 and is located behind the rear end of the vertical paper feeding channel 11. The tangent direction of the roller surface of the ejection guide roller 5 toward the front end of the paper receiving mechanism 8 is located outside the rear end of the vertical paper feeding channel 11. The ejection guide roller 5 is used to push the paper box at the rear end of the vertical paper feeding channel 11 to the front end of the paper receiving mechanism 8.

[0030] The terms "front" and "back" are defined as follows: with the conveying direction of the vertical paper feeding channel 11 as the reference, the side where the paper box arrives first is called "front," and the side where the paper box arrives last is called "back." The vertical paper feeding channel 11 is perpendicular to the horizontal plane, allowing the paper box to be conveyed in a vertically upright position.

[0031] When working, the paper boxes are continuously clamped and sent by the two loop conveying belts 2 in a vertical standing state, and are stably sent to the rear end of the vertical paper conveying channel 11 which is perpendicular to the horizontal plane. At this time, the rear side edge of the paper box first contacts the roller surface of the ejection guide roller 5 which faces the front end of the paper receiving mechanism 8, the ejection guide roller 5 rotates synchronously, the roller surface of the ejection guide roller 5 which faces the front end of the paper receiving mechanism 8 applies a transverse ejection force to the paper box which faces the front end of the paper receiving mechanism 8, and the ejection force directly breaks the longitudinal conveying motion state of the paper box along the vertical paper conveying channel 11. Under the action of the transverse ejection force, the paper box stably turns to the front end of the paper receiving mechanism 8 around the contact point of the ejection guide roller 5, and the continuous clamping of the two loop conveying belts 2 makes the paper box always keep a vertical standing posture, and finally the paper box is smoothly pushed to the front end of the paper receiving mechanism 8 from the rear end of the vertical paper conveying channel 11, and the whole ejection and turning process is completed.

[0032] The embodiment also comprises a first clamping roller 4 and a second clamping roller 6, the first clamping roller 4 and the ejection guide roller 5 are both tensioned on the outside of one of the loop conveying belts 2, the second clamping roller 6 is tensioned on the outside of the other loop conveying belt 2, the first clamping roller 4 and the second clamping roller 6 correspondingly cooperate and constitute the rear end of the vertical paper conveying channel 11, and the ejection guide roller 5 is located at the rear side of the first clamping roller 4. The above-mentioned ejection guide roller 5 and the first clamping roller 4 are both tensioned on the outside of the same loop conveying belt 2, and the ejection guide roller 5 is located at the rear side of the first clamping roller 4. Under the limitation of the first clamping roller 4 and the ejection guide roller 5, the part contacting the ejection guide roller 5 of the loop conveying belt 2 naturally protrudes towards the front end of the paper receiving mechanism 8, forming an arc-shaped ejection end protruding towards the front end of the paper receiving mechanism 8, which provides a force point for the paper box turning.

[0033] The embodiment also comprises a first position fine adjustment mechanism 12, a second position fine adjustment mechanism 13 and an ejection seat 14, the first position fine adjustment mechanism 12 is installed on the frame 1, the adjustment direction of the first position fine adjustment mechanism 12 is the same as the conveying direction of the vertical paper conveying channel 11, the second position fine adjustment mechanism 13 is installed on the power output end of the first position fine adjustment mechanism 12, the adjustment direction of the second position fine adjustment mechanism 13 is the same as the conveying direction of the paper receiving mechanism 8, the ejection seat 14 is installed on the power output end of the second position fine adjustment mechanism 13, and the ejection guide roller 5 and the first clamping roller 4 are both rotatably installed on the ejection seat 14. The positions of the second position fine adjustment mechanism 13, the ejection seat 14, the ejection guide roller 5 and the first clamping roller 4 are fine adjusted along the vertical paper conveying channel 11 by the first position fine adjustment mechanism 12, and then the positions of the ejection seat 14, the ejection guide roller 5 and the first clamping roller 4 are fine adjusted along the paper receiving mechanism 8 by the second position fine adjustment mechanism 13. Through the bidirectional adjustment, the positions of the ejection guide roller 5 and the first clamping roller 4 can be accurately adjusted, and then the protruding arc of the loop conveying belt 2 and the ejection point position are adjusted to adapt to paper boxes of different sizes.

[0034] The ejection seat 14 is provided with a rotatable first guide roller 15, which is located between the first pinch roller 4 and the ejection guide roller 5 and is located on the front side of the first pinch roller 4 and the ejection guide roller 5 in the conveying direction of the paper receiving mechanism 8. The first guide roller 15 is tensioned on the inner side of the corresponding annular conveying belt 2. The annular conveying belt 2 between the first pinch roller 4, the first guide roller 15 and the ejection guide roller 5 forms a U-shaped adjusting groove section 16 with an opening facing the front end of the paper receiving mechanism 8. The U-shaped adjusting groove section 16 provides rigid bending limiting for the annular conveying belt 2, fixes the convex curvature and convex amount of the annular conveying belt 2, avoids the convex posture deviation of the annular conveying belt 2 caused by tension change and vibration during operation, ensures the uniformity of the ejection force size and action point of the carton, and ensures the consistent stress of the carton turning.

[0035] The ejection seat 14 is provided with a swing frame 17 and a torsion spring 18. One end of the swing frame 17 is provided with a rotating shaft 19, and the other end of the swing frame 17 is rotatably installed on the ejection seat 14 through the rotating shaft 19. The first pinch roller 4 is rotatably installed on the other end of the swing frame 17. The torsion spring 18 is sleeved on the rotating shaft 19. The rotating shaft 19 is provided with a insertion hole 191. The side wall of the swing frame 17 is provided with a positioning column 171. The first elastic arm 181 of the torsion spring 18 is inserted into the insertion hole 191, and the second elastic arm 182 of the torsion spring 18 is buckled with the positioning column 171. The elastic force of the torsion spring 18 can drive the swing frame 17 to dynamically adaptively swing around the rotating shaft 19. The adhesion of the first pinch roller 4 and the belt can be automatically adjusted according to the thickness of the carton. The tension change of the annular conveying belt 2 and the thickness deviation of the carton are automatically compensated. The dynamic balance of the ejection force and the turning force is ensured, and the ejection failure caused by belt relaxation or uneven carton thickness is avoided.

[0036] The first position fine adjustment mechanism 12 comprises a first guide rail 121, a first sliding block 122, a translation seat 123 and a translation driving unit 124 capable of driving the translation seat 123 to move, the translation driving unit 124 and the first guide rail 121 are both mounted on the rack 1, the first guide rail 121 is parallel to the conveying direction of the vertical paper conveying channel 11, the first sliding block 122 is mounted on the first guide rail 121 and can move forward and backward on the first guide rail 121, the translation seat 123 is mounted on the first sliding block 122, and the second position fine adjustment mechanism 13 is mounted on the translation seat 123. The first sliding block 122 is driven by the translation driving unit 124 to slide forward and backward on the first guide rail 121 through the limiting guide of the first guide rail 121, thereby driving the translation seat 123, the second position fine adjustment mechanism 13, the ejection seat 14, the ejection guide roller 5 and the first pinch roller 4 on the first sliding block 122 to fine adjust forward and backward along the conveying direction of the vertical paper conveying channel 11. Generally, the above-mentioned translation driving unit 124 can adopt the structure that a driving motor 1241, a driving pulley 1242, a driven pulley 1243 and a synchronous belt 1244 are matched, one end of the translation seat 123 is connected with the synchronous belt 1244, the driving motor 1241 is used to drive the driving pulley 1242 to rotate, the driven pulley 1243 and the synchronous belt 1244 are driven to transmit, and the translation seat 123 moves forward and backward on the first guide rail 121.

[0037] The second position fine adjustment mechanism 13 comprises a screw rod 131, a nut seat 132 and a screw rod driving unit 133 capable of driving the screw rod 131 to rotate; the translation seat 123 is provided with a second guide rail 1231 parallel to the conveying direction of the paper receiving mechanism 8, and the ejection seat 14 is mounted on the second guide rail 1231 and can move forward and backward along the second guide rail 1231; the screw rod 131 is rotatably mounted on the translation seat 123, the screw rod 131 is parallel to the second guide rail 1231, the screw rod 131 is engaged with the nut seat 132, and the nut seat 132 is connected with the ejection seat 14. The screw rod 131 is driven by the screw rod driving unit 133 to rotate, the screw rod 131 drives the nut seat 132 to move along the second guide rail 1231, and the nut seat 132 drives the ejection seat 14 to move, so that the position fine adjustment of the ejection guide roller 5 and the first pinch roller 4 on the ejection seat 14 can be realized.

[0038] The screw rod driving unit 133 is a hand wheel, and the hand wheel is mounted at one end of the screw rod 131. The screw rod 131 is driven to rotate by manually rotating the hand wheel by a user.

[0039] The rear end of the vertical paper conveying channel 11 and the front end of the paper receiving mechanism 8 are provided with a guide sliding plate 7 below, the guide sliding plate 7 is mounted on the rack 1 and is below the ejection guide roller 5. During the turning process of the paper box, the guide sliding plate 7 provides bottom transition support for the paper box at the turning joint, prevents the paper box from falling down, and guarantees the stability of the posture of the paper box during the turning process.

[0040] The paper receiving mechanism 8 comprises a paper receiving conveying belt 81, the conveying direction of the paper receiving conveying belt 81 is perpendicular to the conveying direction of the vertical paper conveying channel 11, and the rear end of the vertical paper conveying channel 11 corresponds to the front end of the paper receiving mechanism 8. The paper receiving conveying belt 81 conveys backward to provide conveying power for the turned paper box, and realizes smooth connection of turning and subsequent conveying.

[0041] Generally, the paper receiving conveying belt 81 and the two annular conveying belts 2 can be driven to convey by a conveying drive mechanism. The conveying drive mechanism generally comprises a driving roller, a driven roller and a driving motor capable of driving the driving roller to rotate, the driving motor is installed on the frame 1, the driving roller and the driven roller are rotatably installed on the frame 1, and the paper receiving conveying belt 81 and the two annular conveying belts 2 are respectively tensioned on the outside of the corresponding driving roller and driven roller.

[0042] The paper receiving mechanism 8 further comprises a first side blocking conveying mechanism 9 and a second side blocking conveying mechanism 10, the first side blocking conveying mechanism 9 and the second side blocking conveying mechanism 10 are installed on the frame 1, the first side blocking conveying mechanism 9 and the second side blocking conveying mechanism 10 are respectively located on the left and right sides of the paper receiving conveying belt 81, and the conveying surfaces of the first side blocking conveying mechanism 9 and the second side blocking conveying mechanism 10 are perpendicular to and above the conveying surface of the paper receiving conveying belt 81; along the conveying direction of the paper receiving conveying belt 81, the front end of the first side blocking conveying mechanism 9 is located on the front side of the ejection guide roller 5, and the front end of the second side blocking conveying mechanism 10 is located on the outside of the rear end of the vertical paper conveying channel 11. The first side blocking conveying mechanism 9 and the second side blocking conveying mechanism 10 clamp and block from the left and right sides to limit the turning track of the paper box and avoid shifting. When working, the paper box is subjected to a transverse ejection force at the same time, and the subsequent paper box is continuously pushed backward to form a longitudinal pushing force, and one side of the paper box will contact the conveying surface of the first side blocking conveying mechanism 9, and the first side blocking conveying mechanism 9 forms a transverse blocking force on the paper box; under the joint action of the transverse ejection force, the longitudinal pushing force and the transverse blocking force, the longitudinal pushing force is completely converted into a transverse turning force of the paper box to the paper receiving mechanism 8, and the paper box starts to smoothly turn around the contact point to the paper receiving mechanism 8.

[0043] The front end of the first side blocking conveying mechanism 9 is provided with a paper blocking plate 96, which is located on the front side of the ejection guide roller 5 along the conveying direction of the paper receiving conveying belt 81. The paper blocking plate 96 is located on the front side of the ejection guide roller 5, which can block the front side of the paper box when one side of the paper box contacts the first side blocking conveying mechanism 9 after contacting the arc-shaped ejection end, avoid the paper box from shifting to the front side of the paper receiving conveying belt 81 due to inertia, enable the longitudinal pushing force of the subsequent paper box to be efficiently converted into a transverse turning force, and improve the turning efficiency and smoothness.

[0044] Generally, the first side dam conveying mechanism 9 and the second side dam conveying mechanism 10 each include a first annular belt 91, a first driving motor 95, a first driving roller 92, a first driven roller 93, and a plurality of first guide rollers 94. The first driving motor 95 is mounted on the frame 1. The first driving roller 92, the first driven roller 93, and each of the first guide rollers 94 are rotatably mounted on the frame 1. The first driving roller 92, the first driven roller 93, and each of the first guide rollers 94 jointly tension the first annular belt 91. The first driving roller 92 is in driving connection with an output shaft of the first driving motor 95. The first driving motor 95 is used to drive the first driving roller 92 to rotate, thereby realizing conveying of the first annular belt 91.

[0045] In addition, it should be noted that the specific embodiments described in the specification can have different names and the like, and equivalent or simple changes made in accordance with the structure, features and principles of the utility model patent concept are included in the protection scope of the utility model patent. Those skilled in the art of the utility model can make various modifications or supplements or use similar ways to replace the described specific embodiments, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, and they should belong to the protection scope of the utility model.

Claims

1. A belt-driven clamping and ejecting steering mechanism, comprising a frame and two annular conveyor belts, each annular conveyor belt having a forward section running from front to back and a return section running from back to front, the forward sections of the two annular conveyor belts correspondingly cooperating to form a vertical paper feeding channel capable of vertically conveying paper boxes; characterized in that: It also includes a paper receiving mechanism and an ejector guide roller. The paper receiving mechanism is mounted on the frame, and its front end is connected to the rear end of the vertical paper feeding channel. The ejector guide roller is rotatably mounted on the frame and located behind the rear end of the vertical paper feeding channel. The tangent direction of the roller surface of the ejector guide roller toward the front end of the paper receiving mechanism is located outside the rear end of the vertical paper feeding channel. The ejector guide roller is used to push the paper box at the rear end of the vertical paper feeding channel to the front end of the paper receiving mechanism.

2. The belt-driven feeding and ejection steering mechanism as described in claim 1, characterized in that: It also includes a first pinch roller and a second pinch roller. The first pinch roller and the ejector guide roller are both tensioned on the outside of one of the annular conveyor belts. The second pinch roller is tensioned on the outside of the other annular conveyor belt. The first pinch roller and the second pinch roller cooperate to form the rear end of the vertical paper feeding channel. The ejector guide roller is located behind the first pinch roller.

3. The belt-driven feeding and ejection steering mechanism as described in claim 2, characterized in that: It also includes a first position fine-tuning mechanism, a second position fine-tuning mechanism, and an ejector seat. The first position fine-tuning mechanism is mounted on the frame, and its adjustment direction is the same as the conveying direction of the vertical paper feeding channel. The second position fine-tuning mechanism is mounted on the power output end of the first position fine-tuning mechanism, and its adjustment direction is the same as the conveying direction of the paper receiving mechanism. The ejector seat is mounted on the power output end of the second position fine-tuning mechanism. The ejector guide roller and the first pinch roller can both be rotatably mounted on the ejector seat.

4. The belt-driven feeding and ejection steering mechanism as described in claim 3, characterized in that: The ejector seat is provided with a rotatable first guide roller. The first guide roller is located between the first pinch roller and the ejector guide roller, and along the conveying direction of the paper receiving mechanism, the first guide roller is located on the front side between the first pinch roller and the ejector guide roller. The first guide roller is tensioned on the inner side of the corresponding annular conveyor belt. The annular conveyor belt between the first pinch roller, the first guide roller, and the ejector guide roller forms a U-shaped adjustment groove section with an opening facing the front end of the paper receiving mechanism.

5. The belt-driven feeding and ejection steering mechanism as described in claim 4, characterized in that: The ejector seat is equipped with a swing frame and a torsion spring. One end of the swing frame is equipped with a rotating shaft, and the swing frame is rotatably mounted on the ejector seat via the rotating shaft. The first clamping roller is rotatably mounted on the other end of the swing frame. The torsion spring is fitted onto the rotating shaft, which is equipped with an insertion hole. The side wall of the swing frame is equipped with a positioning post. The first elastic arm of the torsion spring is inserted into the insertion hole, and the second elastic arm of the torsion spring is engaged with the positioning post.

6. The belt-driven feeding and ejection steering mechanism as described in claim 3, characterized in that: The first position fine-tuning mechanism includes a first guide rail, a first slider, a translation seat, and a translation drive unit capable of driving the translation seat to move. The translation drive unit and the first guide rail are both mounted on the frame. The direction of the first guide rail is parallel to the conveying direction of the vertical paper feeding channel. The first slider is mounted on the first guide rail and can move back and forth on the first guide rail. The translation seat is mounted on the first slider, and the second position fine-tuning mechanism is mounted on the translation seat.

7. The belt-driven feeding and ejection steering mechanism as described in claim 6, characterized in that: The second position fine-tuning mechanism includes a lead screw, a nut seat, and a lead screw drive unit capable of driving the lead screw to rotate; the translation seat is provided with a second guide rail, which is parallel to the conveying direction of the paper receiving mechanism; the ejector seat is mounted on the second guide rail and can move back and forth along the second guide rail; the lead screw is rotatably mounted on the translation seat, parallel to the second guide rail, and the lead screw meshes with the nut seat, which is connected to the ejector seat.

8. The belt-driven feeding and ejection steering mechanism as described in claim 1, characterized in that: The rear end of the vertical paper feeding channel and the front end of the paper receiving mechanism are provided with a guide slide plate, which is installed on the frame and located below the ejector guide roller.

9. The belt-driven feeding and ejection steering mechanism as described in claim 1, characterized in that: The paper receiving mechanism includes a paper receiving conveyor belt, the conveying direction of which is perpendicular to the conveying direction of the vertical paper feeding channel, and the rear end of the vertical paper feeding channel corresponds to and cooperates with the front end of the paper receiving mechanism.

10. The belt-driven feeding and ejection steering mechanism as described in claim 9, characterized in that: The paper receiving mechanism also includes a first side-block conveying mechanism and a second side-block conveying mechanism. Both the first and second side-block conveying mechanisms are mounted on the frame and are located on the left and right sides of the paper receiving conveyor belt, respectively. The conveying surfaces of both the first and second side-block conveying mechanisms are perpendicular to and above the conveying surface of the paper receiving conveyor belt. Along the conveying direction of the paper receiving conveyor belt, the front end of the first side-block conveying mechanism is located in front of the ejector guide roller, and the front end of the second side-block conveying mechanism is located outside the rear end of the vertical paper feeding channel. The front end of the first side conveyor mechanism is provided with a baffle plate, which is located in front of the ejector guide roller along the conveying direction of the paper receiving conveyor belt.

Images