CN220596431U - Spout a yard processing lines - Google Patents

Abstract

The utility model relates to the technical field of code spraying equipment, in particular to a code spraying processing production line which comprises a paper feeding part, a side gauge part, a code spraying detection part, a drying part, a rejecting part and a paper collecting part which are connected in sequence; the paper feeding part comprises a first frame, a paper piling lifting device, a flying paper feeding device and a paper feeding transmission device, wherein the paper piling lifting device, the flying paper feeding device and the paper feeding transmission device are arranged on the first frame; the paper feeding transmission device is arranged on one side of the fly-to-paper feeding device and comprises an output shaft, a driving shaft and a driven shaft which are rotatably connected to a first frame, a cam is arranged at the end part of the driving shaft, a first connecting rod is arranged at the end part of the driven shaft, a first tension spring is arranged on the first frame, one end of the first tension spring is fixedly connected with the first connecting rod so that the first connecting rod contacts with the cam, a plurality of supporting rods are arranged on the driven shaft, and the end parts of the supporting rods are rotatably connected with rubber wheels; the first frame is provided with a driver for driving the driving shaft and the output shaft to rotate. The utility model solves the problem of low processing efficiency of the existing code spraying production line.

Description

Spout a yard processing lines

Technical Field

The utility model relates to the technical field of code spraying equipment, in particular to a code spraying processing production line.

Background

The inkjet printers on the market at present are divided into two types from the aspect of paper continuity: the single-sheet inkjet printer and the roll-to-roll inkjet printer are divided into a flat-sheet inkjet printer and a gripper roller single-sheet inkjet printer, wherein the flat-sheet inkjet printer is widely applied because of simple structure, low technical threshold and low price.

Referring to the utility model patent with publication number of CN214215228U, the utility model is a traditional flat Zhang Pen code production line, the flat Zhang Pen code production line is composed of a paper feeding part, a side gauge part, a code spraying detection part, a drying part, a waste rejecting part and a paper collecting part which are sequentially connected, wherein the structure of the paper feeding part adopts an automatic paper feeding mechanism of the code spraying machine disclosed in the utility model patent with publication number of CN215854085U, and the automatic paper feeding mechanism of the code spraying machine can realize automatic paper separation and paper feeding, but the paper feeding process efficiency of paper suction-traversing conveying-paper placing is too low, and the overall processing efficiency is affected.

Therefore, there is a need to provide a solution to the above-mentioned problems.

Disclosure of Invention

The utility model provides a code spraying processing production line, and aims to solve the problem that the processing efficiency of the existing flat Zhang Pen code production line is too low.

In order to achieve the above purpose, the utility model provides a code spraying processing production line, which comprises a paper feeding part, a side gauge part, a code spraying detection part, a drying part, a rejecting part and a paper collecting part which are sequentially connected, wherein the paper feeding part comprises a first frame, a paper piling lifting device, a flying paper feeding device and a paper feeding transmission device, wherein:

the paper stacking lifting device comprises a first lifting control mechanism and a lifting plate, wherein the first lifting control mechanism is arranged on the first rack and is used for driving the lifting plate to move in a lifting manner;

the fly-to-paper feeding device is arranged above the lifting plate and is arranged on the first frame;

the paper feeding transmission device is arranged on one side of the paper feeding device of the flying machine and comprises an output shaft, a driving shaft and a driven shaft which are rotatably connected to the first frame, the driving shaft and the driven shaft are arranged above the output shaft, a cam is arranged at the end part of the driving shaft, a first connecting rod is arranged at the end part of the driven shaft, a first tension spring is arranged on the first frame, one end of the first tension spring is connected with the first connecting rod, so that the first connecting rod is kept in contact with the cam, a plurality of supporting rods are arranged on the driven shaft, and rubber wheels are rotatably connected at the end parts of the supporting rods; the first rack is provided with a driver, and the driver is used for driving the driving shaft and the output shaft to rotate.

More specifically, the front side of the output shaft is also provided with a rotating shaft, a plurality of prying pieces are arranged on the rotating shaft, the end part of the rotating shaft is hinged with a second connecting rod, the end part of the driven shaft is hinged with a third connecting rod, the second connecting rod is hinged with a fourth connecting rod, and the fourth connecting rod is hinged with the third connecting rod; the output shaft is provided with an annular groove at the position corresponding to the prying piece.

More specifically, a fixed block is arranged on the driven shaft, and the support rod is hinged with the fixed block; a swinging rod is arranged at the top of at least one fixed block, one end of the swinging rod is provided with a detection wheel, the detection wheel is positioned above the rubber wheel, a second tension spring is arranged on the fixed block, and the other end of the second tension spring is eccentrically connected to the detection wheel; the outside of detecting the wheel is equipped with the inductor, the inductor is installed on the fixed block, be equipped with on the detecting wheel with inductor matched with detects the structure.

More specifically, the pendulum rod with the fixed block is articulated, be equipped with the screw rod on the fixed block, threaded connection has the nut on the screw rod, and this screw rod overcoat is equipped with the spring, the screw rod runs through the pendulum rod is kept away from the one end of detecting the wheel, the upper and lower both sides of pendulum rod respectively with the nut with the spring pastes mutually and touches, the spring is kept away from one side of detecting the wheel is equipped with stop bolt, stop bolt threaded connection is in on the fixed block, and be located the pendulum rod below.

More specifically, the paper feeding part further comprises an auxiliary paper feeding lifting device, the auxiliary paper feeding lifting device comprises a second lifting control mechanism, a supporting frame and a plurality of supporting rods, the second lifting control mechanism is installed on the first frame, the supporting frame is arranged between the flying paper feeding device and the lifting plate, the second lifting control mechanism drives the lifting device to move, and the supporting rods are detachably installed on the supporting frame.

More specifically, the side gauge portion includes second frame, conveyor, a plurality of transport support and two sets of side gauge device, two sets of side gauge device installs in the both sides at second frame top, conveyor locates two sets of between the side gauge device, and install in the second frame, a plurality of transport support evenly distributed is in conveyor's outside, and install in the second frame, adjacent two be equipped with the exhaust clearance between the transport support.

More specifically, spout a yard detection portion and include third frame, vacuum inhale box, belt, actuating mechanism, spout a yard ware and detector, the vacuum is inhaled the box and is installed in the third frame, should vacuum inhale box top offer rather than the inner chamber be linked together a plurality of suction holes, the side end is offered rather than the suction hole that the inner chamber is linked together, the belt is wrapped outside the vacuum is inhaled the box, offered on this belt with a plurality of bar holes that inhale the hole corresponds, actuating mechanism installs in the frame, it is used for the drive the belt rotates, spout a yard ware with the detector is all located the belt top, and install in the third frame, just the detector is located spout a yard ware and keep away from one side of giving paper portion.

More specifically, the paper collecting part comprises a fourth frame and a paper arranging device, the paper arranging device comprises a third lifting driving mechanism, a paper arranging frame and two paper arranging mechanisms, the third lifting driving mechanism is arranged on the fourth frame and is used for driving the paper arranging frame to lift and move, and the two paper arranging mechanisms are respectively arranged on two sides of the paper arranging frame and are arranged on the fourth frame; the paper finishing mechanism comprises a support plate, a vibrating motor and a paper finishing plate, wherein the support plate is arranged on the fourth frame, the vibrating motor is arranged on the support plate, and the paper finishing plate is arranged on the output end of the vibrating motor.

The utility model relates to a code spraying processing production line, which has the technical effects that:

the paper feeding device and the paper feeding transmission device are matched to perform paper feeding, the paper feeding device is used for taking out the overlapped paper one by one and pushing the overlapped paper to the front side, when the paper is pushed out, the first connecting rod is just propped against the concave part of the cam, at the moment, the rubber wheel and the output shaft are in a separated state, a paper input space is formed between the rubber wheel and the output shaft, after the paper enters between the rubber wheel and the output shaft, the convex part of the cam jacks up the first connecting rod due to rotation of the cam, so that the driven shaft is driven to rotate, and the rubber wheel and the output shaft are matched to clamp and convey the paper. By adopting the design, the paper can be rapidly output, and the overall code spraying processing efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a code spraying processing line according to the present utility model;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is an enlarged schematic view of FIG. 1 at B;

FIG. 4 is a schematic diagram of a paper feeding section in a code spraying processing line according to the present utility model;

FIG. 5 is a schematic view of a paper feeding transmission device in a code spraying processing line according to the present utility model;

FIG. 6 is an enlarged schematic view of FIG. 5 at C;

FIG. 7 is an enlarged schematic view of FIG. 5 at D;

FIG. 8 is a schematic diagram of a paper collecting part in a code spraying processing line according to the present utility model;

fig. 9 is an exploded view of a paper finishing mechanism in a code spraying processing line according to the present utility model.

The marks in the figure:

1. a paper feeding section; 2. a side gauge part; 3. a code spraying detection part; 4. a drying part; 5. a removing section; 6. a paper collection part;

11. a first frame; 12. a paper stack lifting device; 121. a first lifting control mechanism; 122. a lifting plate; 13. a tray; 14. a paper feed transmission; 141. an output shaft; 142. a driving shaft; 1421. a cam; 143. a driven shaft; 1431. a first link; 1432. a first tension spring; 1433. a support rod; 1434. a rubber wheel; 1435. a third link; 1436. a fixed block; 1437. swing rod; 1438. a detection wheel; 1439. a second tension spring; 144. a rotating shaft; 1441. a prying piece; 1442. a second link; 1443. a fourth link; 145. a screw; 146. a nut; 147. a spring; 148. a limit bolt; 15. an auxiliary paper feeding lifting device; 151. a second lifting control mechanism; 152. a support frame; 153. a support rod;

21. a second frame; 22. a conveying device; 23. a conveying support; 24. a side gauge device;

31. a third frame; 32. a vacuum suction box; 321. a suction hole; 33. a belt;

61. a fourth frame; 62. a paper finishing device; 621. a third lifting driving mechanism; 622. a paper finishing frame; 623. a paper finishing mechanism; 6231. a support plate; 6232. a vibration motor; 6233. and (5) finishing the paper board.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the embodiments of the present utility model, it should be understood that the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In order to more clearly illustrate the technical solution of the present utility model, a preferred embodiment is provided below, referring specifically to fig. 1 to 9, a code spraying processing production line includes a paper feeding portion 1, a side gauge portion 2, a code spraying detecting portion 3, a drying portion 4, a rejecting portion 5, and a paper collecting portion 6, which are sequentially connected, where the paper feeding portion 1 includes a first frame 11, a pile lifting device 12, a flying paper feeding device, and a paper feeding transmission device 14, where:

the paper stacking lifting device 12 comprises a first lifting control mechanism 121 and a lifting plate 122, wherein the first lifting control mechanism 121 is arranged on the first frame 11 and is used for driving the lifting plate 122 to move up and down;

the feeder is arranged above the lifting plate 122 and is arranged on the first frame 11;

the paper feeding transmission device 14 is arranged on one side of the paper feeding device (not shown in the figure) of the fly-to-the-paper feeder, and comprises an output shaft 141, a driving shaft 142 and a driven shaft 143 which are rotatably connected to the first frame 11, wherein the driving shaft 142 and the driven shaft 143 are both arranged above the output shaft 141, a cam 1421 is arranged at the end part of the driving shaft 142, a first connecting rod 1431 is arranged at the end part of the driven shaft 143, a first tension spring 1432 is arranged on the first frame 11, one end of the first tension spring 1432 is connected with the first connecting rod 1431 so that the first connecting rod 1431 is kept in contact with the cam 1421, a plurality of supporting rods 1433 are arranged on the driven shaft 143, and rubber wheels 1434 are rotatably connected to the end parts of the supporting rods 1433; the first frame 11 is provided with a driver for driving the driving shaft 142 and the output shaft 141 to rotate.

The paper feeding part 1 of the code spraying processing production line performs paper feeding work by matching the paper feeding device and the paper feeding transmission device 14, and particularly, the paper feeding device takes out overlapped paper one by one and pushes the overlapped paper to the front side, when the paper is pushed out, the first connecting rod 1431 just abuts against the concave part of the cam 1421, at the moment, the glue wheel 1434 and the output shaft 141 are in a separated state, a paper input space is formed between the glue wheel 1434 and the output shaft 141, and after the paper enters between the glue wheel 1434 and the output shaft 141, the first connecting rod 1431 is jacked up by the convex part of the cam 1421 due to the rotation of the cam 1421, so that the driven shaft 143 is driven to rotate, and the glue wheel 1434 and the output shaft 141 are matched to clamp and convey the paper. By adopting the design, the paper can be rapidly output, and the overall code spraying processing efficiency is improved.

In this embodiment, the front side of the output shaft 141 is further provided with a rotating shaft 144, a plurality of prying pieces 1441 are installed on the rotating shaft 144, a second connecting rod 1442 is hinged at the end of the rotating shaft 144, a third connecting rod 1435 is hinged at the end of the driven shaft 143, a fourth connecting rod 1443 is hinged on the second connecting rod 1442, and the fourth connecting rod 1443 is hinged with the third connecting rod 1435; the output shaft 141 is provided with an annular groove at a position corresponding to the prying piece 1441. When the paper is transported to the output shaft 141, the paper is likely to be in a negative pressure state with the output shaft 141, and the paper is adsorbed to the output shaft 141, which may not be normally output. By adopting the above design, when the paper sheet is input between the glue wheel 1434 and the output shaft 141, i.e. the first link 1431 contacts with the concave portion of the cam 1421, the third link 1435 pulls the second link 1442 to swing under the action of the fourth link 1443, so as to enable the rotating shaft 144 to rotate, so that each prying piece 1441 is placed in the corresponding annular groove and contacts with the output shaft 141, when the output shaft 141 drives the paper sheet to move, the paper sheet moves onto the prying piece 1441, and as the cam 1421 rotates, the contact position between the first link 1431 and the cam 1421 changes, the output shaft 141 correspondingly rotates, and then the second link 1442 rotates, so that the prying piece 1441 moves outwards to lift the paper sheet, and the paper sheet can be smoothly output onto the side gauge 2.

In this embodiment, a fixed block 1436 is mounted on the driven shaft 143, and the supporting rod 1433 is hinged with the fixed block 1436; a swing rod 1437 is mounted at the top of at least one fixed block 1436, a detection wheel 1438 is mounted at one end of the swing rod 1437, the detection wheel 1438 is positioned above the rubber wheel 1434, a second tension spring 1439 is mounted on the fixed block 1436, and the other end of the second tension spring 1439 is eccentrically connected to the detection wheel 1438; the outside of detection wheel 1438 is equipped with the inductor, the inductor is installed on the fixed block 1436, be equipped with on the detection wheel 1438 with inductor matched with detects the structure, detects the structure and can be the breach of locating on the detection wheel 1438 or locate the protruding structure on the detection wheel 1438. Specifically, when the glue wheel 1434 contacts with the detecting wheel 1438, the distance between the output shaft 141 and the glue wheel 1434 is greater than the thickness of one piece of paper and less than the thickness of two pieces of paper, so when two or more pieces of paper are input between the glue wheel 1434 and the output shaft 141, the glue wheel 1434 is tightly attached to the detecting wheel 1438, and rotates with the paper, and drives the detecting wheel 1438 to rotate, when the sensor detects that the detecting wheel 1438 rotates, the output number of the paper is judged to be wrong, and then the machine is automatically stopped, and the alarm is processed by a worker.

Preferably, the swing rod 1437 is hinged to the fixed block 1436, a screw rod 145 is arranged on the fixed block 1436, a nut 146 is connected to the screw rod 145 in a threaded manner, a spring 147 is sleeved outside the screw rod 145, the screw rod 145 penetrates through one end of the swing rod 1437, which is far away from the detection wheel 1438, the upper side and the lower side of the swing rod 1437 are respectively contacted with the nut 146 and the spring 147, a limit bolt 148 is arranged on one side of the spring 147, which is far away from the detection wheel 1438, and the limit bolt 148 is connected to the fixed block 1436 in a threaded manner and is located below the swing rod 1437. By adopting the above design, the height of the detection wheel 1438 can be changed by adjusting the position of the nut 146, so as to meet the detection requirements of different papers, and the swing rod 1437 is hinged with the fixed block 1436 and is supported by the spring 147, so that the detection wheel 1438 can drive the swing rod 1437 to swing upwards when the rubber wheel 1434 is lifted by the papers to be contacted with the detection wheel 1438, and excessive pressure can not be generated between the rubber wheel 1434 and the detection wheel 1438, thereby avoiding damage to the rubber wheel 1434 or the detection wheel 1438; in addition, the limit bolt 148 limits the movement range of the swing link 1437, so as to avoid over-compression of the spring 147, that is, to prevent excessive impact on the nut 146 when the swing link 1437 is reset.

In this embodiment, the paper feeding part 1 further includes a secondary paper feeding lifting device 15, the secondary paper feeding lifting device 15 includes a second lifting control mechanism 151, a supporting frame 152 and a plurality of supporting rods 153, the second lifting control mechanism 151 is installed on the first frame 11, the supporting frame 152 is disposed between the femto-cell paper feeding device and the lifting plate 122, the lifting movement is driven by the second lifting control mechanism 151, and the plurality of supporting rods 153 are detachably installed on the supporting frame 152. Referring to fig. 4, in order to provide a tray 13 for placing paper sheets, the tray 13 is provided with a plurality of strip-shaped grooves, when a certain number of paper sheets are output from the tray 13, the second lifting control mechanism 151 drives the supporting frame 152 to move to a position corresponding to the position of the tray 13, a worker inserts the supporting rod 153 along the strip-shaped grooves and installs the supporting rod on the supporting frame 152, at this time, the first lifting control mechanism 121 can control the lifting plate 122 to move downwards, the paper sheets are supported by the plurality of supporting rods 153, and the worker can supplement new paper sheets to the lifting plate 122. By adopting the design, the waiting gap of the supplementary paper can be shortened, and the processing efficiency is further improved.

In this embodiment, the side gauge portion 2 includes a second frame 21, a conveying device 22, a plurality of conveying brackets 23 and two sets of side gauge devices 24, the two sets of side gauge devices 24 are installed on two sides of the top of the second frame 21, the conveying device 22 is disposed between the two sets of side gauge devices 24 and is installed on the second frame 21, the plurality of conveying brackets 23 are uniformly distributed on the outer side of the conveying device 22 and is installed on the second frame 21, and an exhaust gap is disposed between two adjacent conveying brackets 23. The design of the exhaust gap can avoid residual air between the paper and the second frame 21, so that the paper can be conveyed in a flat state.

In this embodiment, the code spraying detection portion 3 includes a third frame 31, a vacuum suction box 32, a belt 33, a driving mechanism, a code sprayer (not shown in the drawing) and a detector (not shown in the drawing), the vacuum suction box 32 is mounted on the third frame 31, a plurality of suction holes 321 communicated with an inner cavity of the vacuum suction box 32 are formed in the top of the vacuum suction box 32, air suction holes communicated with the inner cavity of the vacuum suction box are formed in the side ends of the vacuum suction box 32, the belt 33 is wrapped outside the vacuum suction box 32, a plurality of bar-shaped holes corresponding to the suction holes 321 are formed in the belt 33, the driving mechanism is mounted on the frame and is used for driving the belt 33 to rotate, the code sprayer and the detector are both disposed above the belt 33 and mounted on the third frame 31, and the detector is located at one side of the code sprayer far away from the paper feeding portion 1. Specifically, the air suction hole is connected with an external vacuum-pumping device, and when the vacuum-pumping device is started, suction force is generated at the suction hole 321, so that paper on the belt 33 is kept flat and stably contacted with the belt 33, wrinkling of the paper is prevented, and the code-spraying processing quality is improved.

In this embodiment, the paper collecting part 6 includes a fourth frame 61 and a paper finishing device 62, the paper finishing device 62 includes a third lifting driving mechanism 621, a paper finishing frame 622 and two paper finishing mechanisms 623, the third lifting driving mechanism 621 is mounted on the fourth frame 61 and is used for driving the paper finishing frame 622 to lift, and the two paper finishing mechanisms 623 are respectively disposed on two sides of the paper finishing frame 622 and are mounted on the fourth frame 61; the sheet finishing mechanism 623 includes a support plate 6231, a vibration motor 6232, and a sheet finishing plate 6233, the support plate 6231 being mounted on the fourth frame 61, the vibration motor 6232 being mounted on the support plate 6231, the sheet finishing plate 6233 being mounted on an output end of the vibration motor 6232. Specifically, after the sheets enter the paper stacking frame 622 for stacking, the vibration motor 6232 drives the paper stacking plate 6233 to vibrate, so that the paper stacking plate 6233 beats the sheets, and the stacked sheets are orderly arranged.

The utility model relates to a code spraying processing production line, which solves the problem of low processing efficiency of the existing flat Zhang Pen code production line through reasonable structural arrangement.

The above-mentioned embodiments of the present utility model are not limited to the above-mentioned embodiments, but can be modified, equivalent, and improved within the spirit and principle of the present utility model, and the present utility model is also included in the scope of the present utility model.

Claims (8)

1. The utility model provides a spout sign indicating number processing production line, includes consecutive feed portion, side rule portion, spouts sign indicating number detection portion, drying portion, reject portion and delivery portion, its characterized in that: the paper feeding part comprises a first frame, a paper piling lifting device, a flying paper feeding device and a paper feeding transmission device, wherein:

the paper stacking lifting device comprises a first lifting control mechanism and a lifting plate, wherein the first lifting control mechanism is arranged on the first rack and is used for driving the lifting plate to move in a lifting manner;

the fly-to-paper feeding device is arranged above the lifting plate and is arranged on the first frame;

the paper feeding transmission device is arranged on one side of the paper feeding device of the flying machine and comprises an output shaft, a driving shaft and a driven shaft which are rotatably connected to the first frame, the driving shaft and the driven shaft are arranged above the output shaft, a cam is arranged at the end part of the driving shaft, a first connecting rod is arranged at the end part of the driven shaft, a first tension spring is arranged on the first frame, one end of the first tension spring is connected with the first connecting rod, so that the first connecting rod is kept in contact with the cam, a plurality of supporting rods are arranged on the driven shaft, and rubber wheels are rotatably connected at the end parts of the supporting rods; the first rack is provided with a driver, and the driver is used for driving the driving shaft and the output shaft to rotate.

2. The code spraying machining production line according to claim 1, wherein: the front side of the output shaft is also provided with a rotating shaft, a plurality of prying pieces are arranged on the rotating shaft, the end part of the rotating shaft is hinged with a second connecting rod, the end part of the driven shaft is hinged with a third connecting rod, the second connecting rod is hinged with a fourth connecting rod, and the fourth connecting rod is hinged with the third connecting rod; the output shaft is provided with an annular groove at the position corresponding to the prying piece.

3. The code spraying machining production line according to claim 1, wherein: the driven shaft is provided with a fixed block, and the supporting rod is hinged with the fixed block; a swinging rod is arranged at the top of at least one fixed block, one end of the swinging rod is provided with a detection wheel, the detection wheel is positioned above the rubber wheel, a second tension spring is arranged on the fixed block, and the other end of the second tension spring is eccentrically connected to the detection wheel; the outside of detecting the wheel is equipped with the inductor, the inductor is installed on the fixed block, be equipped with on the detecting wheel with inductor matched with detects the structure.

4. A code spraying machining production line according to claim 3, characterized in that: the swing rod is hinged with the fixed block, a screw is arranged on the fixed block, a nut is connected to the screw in a threaded mode, a spring is sleeved outside the screw, the screw penetrates through the swing rod and is far away from one end of the detection wheel, the upper side and the lower side of the swing rod are respectively contacted with the nut and the spring in a contact mode, a limit bolt is arranged on one side, far away from the detection wheel, of the spring, and the limit bolt is connected to the fixed block in a threaded mode and located below the swing rod.

5. The code spraying machining production line according to claim 1, wherein: the paper feeding part further comprises an auxiliary paper feeding lifting device, the auxiliary paper feeding lifting device comprises a second lifting control mechanism, a supporting frame and a plurality of supporting rods, the second lifting control mechanism is installed on the first frame, the supporting frame is arranged between the flying paper feeding device and the lifting plate, lifting movement is driven by the second lifting control mechanism, and the supporting rods are detachably installed on the supporting frame.

6. The code spraying machining production line according to claim 1, wherein: the side gauge part comprises a second frame, a conveying device, a plurality of conveying brackets and two groups of side gauge devices, wherein the two groups of side gauge devices are arranged on two sides of the top of the second frame, the conveying device is arranged between the two groups of side gauge devices and is arranged on the second frame, the conveying brackets are uniformly distributed on the outer sides of the conveying device and are arranged on the second frame, and an exhaust gap is formed between every two adjacent conveying brackets.

7. The code spraying machining production line according to claim 1, wherein: the code spraying detection part comprises a third frame, a vacuum suction box, a belt, a driving mechanism, a code spraying device and a detector, wherein the vacuum suction box is installed on the third frame, a plurality of suction holes communicated with the inner cavity of the vacuum suction box are formed in the top of the vacuum suction box, air suction holes communicated with the inner cavity of the vacuum suction box are formed in the side ends of the vacuum suction box, a plurality of strip-shaped holes corresponding to the suction holes are formed in the belt in a wrapping mode outside the vacuum suction box, the driving mechanism is installed on the frame and used for driving the belt to rotate, the code spraying device and the detector are all arranged above the belt and are installed on the third frame, and the detector is located on one side, away from the paper feeding part, of the code spraying device.

8. The code spraying machining production line according to claim 1, wherein: the paper collecting part comprises a fourth frame and a paper arranging device, the paper arranging device comprises a third lifting driving mechanism, a paper arranging frame and two paper arranging mechanisms, the third lifting driving mechanism is arranged on the fourth frame and used for driving the paper arranging frame to lift and move, and the two paper arranging mechanisms are respectively arranged on two sides of the paper arranging frame and are arranged on the fourth frame; the paper finishing mechanism comprises a support plate, a vibrating motor and a paper finishing plate, wherein the support plate is arranged on the fourth frame, the vibrating motor is arranged on the support plate, and the paper finishing plate is arranged on the output end of the vibrating motor.