CN115773955B - Paper folding strength detection device and detection method - Google Patents

Abstract

The invention relates to the technical field of folding endurance detection, in particular to a paper folding endurance detection device and a detection method, wherein the paper folding endurance detection device comprises a testing machine and a paper board, a first clamping component for clamping the upper end of the paper board is arranged on a rotating plate, and a first adjusting component for adjusting the position of the first clamping component is arranged between the rotating plate and a connecting plate; the second clamping assembly is used for clamping the lower end of the paperboard, and the right-angle clamping plate is provided with a second adjusting assembly used for adjusting the position of the lower clamping plate; and the paper feeding assembly is used for pushing the paper board to be close to the testing machine. This scheme has set up the centre gripping subassembly in the test port of test machine to the centre gripping of paper to utilize adjusting part to flare-out the corner of centre gripping paper, utilize cutting assembly to carry out automatic cutout with the paper that stretches tight and straight, and the chuck department of test machine is sent into automatically to the paper after finishing cutting, utilizes pay-off subassembly to impel the cutting with remaining paper after finishing cutting, conveniently carries out short-term test to the paper.

Description

Paper folding strength detection device and detection method

Technical Field

The invention relates to the technical field of folding endurance detection, in particular to a device and a method for detecting the folding endurance of paper.

Background

The folding endurance is an index of the folding fatigue strength of paper, and is a measure of the number of times of folding, expressed in number of times, the unit is double folding, the longitudinal folding endurance is measured by the longitudinal cutting, and the transverse folding endurance is measured by the transverse cutting.

The operation steps of the existing paper folding endurance detection are that the two ends (or the middle section) of a paper tape are manually clamped on two clamping heads (the clamping heads comprise an upper clamping head and a lower clamping head), an adjustable tension applying mechanism is arranged above the upper clamping head, the lower clamping head is connected with a driving motor, the clamping heads rotate in a reciprocating mode under the driving of the motor, the paper tape is repeatedly folded until the paper tape is disconnected, and the detection is automatically stopped. There are improvements to the above described detection process:

at first, the material loading and unloading of paper tape all are manual operation, very inconvenient to need straighten the paper tape after the material loading is accomplished, prevent to detect the precision and reduce, and the current mode of straightening is the interval between two chucks of manual regulation after the centre gripping finishes, and the regulation precision is lower, and the regulation mode is inconvenient. In addition, the width of the paper tape is required (the width of the paper tape must be smaller than that of the chuck), and the paper tape needs to be completely clamped in the detection process, so that the detection paper needs to be preprocessed, and the paper needs to be regularly cut (generally, a manual cutting mode is adopted), so that the detection efficiency is reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a paper folding endurance detection device and a detection method, which can effectively solve the problem that the detection efficiency is reduced by manual feeding and pretreatment of paper in the prior art.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the invention provides a paper folding endurance detection device, which comprises a testing machine and a paperboard, and further comprises an external connection plate, wherein the external connection plate is fixedly installed on the outer wall of the testing machine, a sliding frame is installed on the external connection plate in a sliding manner, a feeding hole is formed in the sliding frame, a guide frame for guiding the paperboard is arranged on the sliding frame, an installation frame is fixedly installed on the sliding frame, two right-angle clamping plates are installed on the bottom wall of the installation frame in a sliding manner, a connecting plate is fixedly installed on the installation frame, a rotating plate is rotatably installed on the connecting plate, a first clamping assembly for clamping the upper end of the paperboard is arranged on the rotating plate, and a first adjusting assembly for adjusting the position of the first clamping assembly is arranged between the rotating plate and the connecting plate; the second clamping assembly is used for clamping the lower end of the paperboard, is installed at the lower end of the right-angle clamping plate and comprises a lower clamping plate which is installed on the right-angle clamping plate in a sliding mode, and a second adjusting assembly used for adjusting the position of the lower clamping plate is arranged on the right-angle clamping plate; the paper feeding assembly is used for pushing a paperboard to approach the testing machine and comprises two guide plates symmetrically arranged on a sliding frame, guide grooves are formed in the two guide plates, each guide groove comprises an arc-shaped groove and a straight groove, linkage rods are arranged on the two guide grooves in a sliding mode, a feeding plate is elastically arranged on one side, close to the two linkage rods, of each linkage rod, a transmission assembly is arranged between each linkage rod and the corresponding rotating plate, when the rotating plates rotate to be far away from the testing machine, the linkage rods slide in the straight grooves towards the testing machine, and when the rotating plates rotate to be close to the testing machine, the linkage rods slide in the arc-shaped grooves to be far away from the testing machine; the cutting assembly is used for cutting the paperboard and is positioned at the position, close to the side wall of the testing machine, of the right-angle clamping plate; the testing machine comprises a rotating plate, a testing machine and a push plate, wherein an inclined plate is fixedly mounted at one end, close to the testing machine, of the rotating plate, a first chuck and a second chuck are arranged on the testing machine respectively, the first chuck and the second chuck are driven by electromagnetism, the testing machine is provided with the push plate used for pressing the inclined plate, and the push plate is provided with a first contact switch used for controlling the first chuck and the second chuck.

Further, the first clamping assembly comprises a sliding block which is slidably mounted on the rotating plate, two sliding carriages are slidably mounted on one side, close to the testing machine, of the sliding block, the bottom ends of the two sliding carriages are movably inserted with movable plates, the bottom ends of the two movable plates are fixedly mounted with upper clamping plates, and limiting plates are arranged at one ends, close to the testing machine, of the two upper clamping plates.

Further, first adjusting part is including seting up two chutes on the rotor plate diapire, two the one end that the chute is close to the test machine is close to gradually, two the top of balladeur train is slidable mounting respectively in two chutes, all install first wedge, two on the outer wall of one side is kept away from mutually to the movable plate all be equipped with first inclined plane on the first wedge, fixed mounting has the board of flare-outing on the rotor plate, install two second wedges on the board of flare-outing, two all be equipped with the second inclined plane on the second wedge.

Furthermore, a fourth inclined plane is arranged at one end, close to the testing machine, of the connecting plate, a third inclined plane is arranged on the sliding block, and when the rotating plate rotates to the testing machine, the sliding block is pushed to the testing machine.

Further, the second adjusting part comprises a movable hole formed in the right-angle clamping plate, an adjusting block is arranged on the lower clamping plate and is slidably mounted in the movable hole, a third air bag is arranged above the adjusting block, a second air bag is fixedly mounted on the outer wall, close to one side, of the right-angle clamping plate, and the third air bag is communicated with the second air bag.

Further, transmission assembly is including inserting two first dwangs of establishing on the wall of rotor plate both sides, rotate on the both sides outer wall of connecting plate and install the second dwang, the cover is equipped with first gear on the first dwang, and rotates on the second dwang and install the second gear with first gear engaged with, connecting plate one end fixed mounting is kept away from to the second dwang has the mounting panel, the telescopic link is installed in the rotation of mounting panel bottom, the telescopic link is kept away from mounting panel one end and is connected with the trace upper end.

Further, the top fixed mounting of right angle splint has the slide, the spout with slide matched with is seted up to the mounting bracket bottom, two the slide is close to one end fixed mounting mutually and has the electro-magnet, be equipped with on the inside wall of straight flute and press the switch, and press switch and electro-magnet electric connection, the junction of straight flute and arc wall rotates and installs the one-way plate, be equipped with the baffle on the inner wall of straight flute.

Further, the cutting assembly comprises a motor fixedly mounted on the side wall of the connecting plate, a reciprocating screw rod is fixedly mounted on an output shaft of the motor, two knife rests are slidably mounted on the side wall, away from the right-angle clamping plate, of the side wall, and a double-end blade is fixedly mounted between the knife rests.

Further, be equipped with the splitter box in the right angle splint, the outer wall of right angle splint is equipped with a plurality of air cocks, every the air cock all is linked together with the splitter box, fixed mounting has the clamp plate on the rotor plate, be equipped with first gasbag on the connecting plate, and first gasbag is linked together with the splitter box, be equipped with the solenoid valve in the splitter box, and first gasbag and splitter box junction are equipped with the check valve, be equipped with the second contact switch who uses control solenoid in the push pedal.

A paper folding endurance detection method comprises the following steps:

s1: the paperboard is fed between the two right-angle clamping plates from the feeding port, and the upper end and the lower end of the paperboard are respectively clamped through the first clamping assembly and the second clamping assembly;

s2; driving the sliding frame to move towards the direction of the testing machine, and cutting the paperboard through the cutting assembly;

s3, performing primary filtration; the cut paperboard enters a space between a first chuck and a second chuck along with the sliding frame under the clamping of the first clamping assembly and the second clamping assembly, the first chuck and the second chuck clamp the paper tape, the first clamping assembly and the second clamping assembly loosen the paper tape, and feeding is finished at the moment;

s4, performing primary filtration; and adjusting the tension value, starting the testing machine, enabling the second chuck to do reciprocating swing until the paper tape is broken, and automatically opening the first chuck and the second chuck to loosen the paper tape.

Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:

this scheme has set up the centre gripping subassembly in the test port of test machine to the centre gripping of paper to utilize adjusting part to flare-out the corner of centre gripping paper, utilize cutting assembly to carry out automatic cutout with the paper of stretching straightly, and the chuck department of test machine is sent into automatically to the paper after finishing cutting, utilize the pay-off subassembly to impel the cutting with remaining paper after finishing cutting, realize replacing artifical material loading and the automatic preliminary treatment to the paper with this, improve subsequent detection efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic view of the carriage portion of the present invention;

FIG. 3 is a schematic view of the structure of the paper feeding assembly of the present invention;

FIG. 4 is a schematic view of a right angle clamping plate portion according to the present invention;

FIG. 5 is an enlarged view of the structure of portion A of FIG. 4;

FIG. 6 is an enlarged view of the structure of portion B of FIG. 3;

FIG. 7 is a schematic view showing the structure of a rotating plate portion in the present invention;

FIG. 8 is a schematic view of a first clamping assembly of the present invention;

FIG. 9 is a schematic view of the construction of the deflector portion of the present invention;

FIG. 10 is an enlarged view of the structure of portion C of FIG. 9;

FIG. 11 is a schematic view of the connection between the right angle clamping plate and the fixing plate according to the present invention;

FIG. 12 is a schematic view of a cutting assembly according to the present invention;

FIG. 13 is a cross-sectional view of a right angle cleat of the present invention;

FIG. 14 is a schematic structural view of a push plate according to the present invention;

FIG. 15 is a schematic view of the double-ended blade of the present invention in a cut state.

The reference numerals in the drawings denote: 1. a testing machine; 2. a first chuck; 3. a second chuck; 4. an outer connecting plate; 5. a carriage; 6. a mounting frame; 7. a connecting plate; 8. a rotating plate; 9. a right-angle splint; 10. an upper splint; 11. a lower splint; 12. a sloping plate; 13. straightening a plate; 14. a chute; 15. a carriage; 16. a movable plate; 17. a first wedge block; 18. a first inclined plane; 19. a second wedge block; 20. a second inclined plane; 21. a slider; 22. a third inclined plane; 23. a fourth slope; 24. a double-ended blade; 25. a limiting plate; 26. pressing a plate; 27. a first air bag; 28. an air tap; 29. an adjusting block; 30. a second air bag; 31. a third air cell; 32. a first rotating lever; 33. a first gear; 34. a second rotating lever; 35. a second gear; 36. mounting a plate; 37. a linkage rod; 38. an elastic rod; 39. a feeding plate; 40. a guide plate; 41. a guide groove; 4101. an arc-shaped slot; 4102. a straight groove; 4103. a one-way plate; 4104. a baffle plate; 4105. pressing a switch; 4106. a chute; 4107. a slide plate; 4108. an electromagnet; 42. a feeding port; 43. a guide frame; 44. a motor; 45. a reciprocating screw; 46. a tool holder; 47. a paperboard; 48. a shunt slot; 49. an electromagnetic valve; 50. a first contact switch; 51. a second contact switch; 52. a push plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Example (b): referring to fig. 1-15, a paper folding endurance detection device and a detection method, including a testing machine 1 and a paper board 47, further including an outer connecting plate 4 fixedly installed on an outer wall of the testing machine 1, a sliding frame 5 slidably installed on the outer connecting plate 4, a feeding port 42 opened on the sliding frame 5, and a guide frame 43 for guiding the paper board 47 installed on the sliding frame 5, a mounting frame 6 fixedly installed on the sliding frame 5, two right-angle clamping plates 9 slidably installed on a bottom wall of the mounting frame 6, a connecting plate 7 fixedly installed on the mounting frame 6, a rotating plate 8 rotatably installed on the connecting plate 7, a first clamping assembly for clamping an upper end of the paper board 47 installed on the rotating plate 8, the first clamping assembly including a sliding block 21 slidably installed on the rotating plate 8, two sliding frames 15 slidably installed on a side of the sliding block 21 close to the testing machine 1, and movable plates 16 movably inserted at bottom ends of the two sliding frames 15, the bottom ends of two movable plates 16 are fixedly provided with upper clamping plates 10, one ends of the two upper clamping plates 10, which are close to the testing machine 1, are provided with limiting plates 25, a first adjusting assembly for adjusting the position of the first clamping assembly is arranged between the rotating plate 8 and the connecting plate 7, the first adjusting assembly comprises two chutes 14 formed in the bottom wall of the rotating plate 8, one ends of the two chutes 14, which are close to the testing machine 1, are gradually close to each other, the top ends of two carriages 15 are respectively and slidably mounted in the two chutes 14, the outer wall of one side, which is far away from the movable plate 16, of each movable plate 16 is provided with a first wedge block 17, each of the two first wedge blocks 17 is provided with a first inclined surface 18, the rotating plate 8 is fixedly provided with a straightening plate 13, each of the straightening plate 13 is provided with two second wedge blocks 19, each of the two second wedge blocks 19 is provided with a second inclined surface 20, one end, which is close to the testing machine 1, is provided with a fourth inclined surface 23, the slider 21 is provided with a third inclined surface 22, and when the rotating plate 8 is turned toward the testing machine 1, the slider 21 is pushed toward the testing machine 1.

In order to conveniently and rapidly feed the paper, the outer connecting plate 4 is installed at the test port of the test machine 1, and the components for cutting, clamping and feeding the paper are arranged on the outer connecting plate 4, so that manual feeding and automatic pretreatment of the paper are replaced. The specific implementation mode is as follows:

the paper is inserted from the feeding port 42, the bottom end of the paper is positioned in the guide frame 43, the guide frame 43 can ensure that the paper cannot be inclined when being pushed, and has a guiding effect, the paper is positioned between the two right-angle clamping plates 9 at the moment, the rotating plate 8 is pulled upwards (not to reach the maximum angle), the rotating plate 8 is far away from the testing machine 1, the contact surface between the third inclined surface 22 and the fourth inclined surface 23 is reduced, the pressing action of the fourth inclined surface 23 on the third inclined surface 22 is reduced, so that the sliding block 21 is far away from the testing machine 1, and the two sliding carriages 15 are driven to be far away from the testing machine 1; as shown in fig. 7 and 8, the carriage 15 moves away from the testing machine 1 along the inclined groove 14, so that the two upper plates 10 move away from each other, and when the rotating plate 8 is pulled up (the rotating plate 8 moves away from the testing machine 1), the linkage 37 moves away from the testing machine 1 along the arc-shaped groove 4101, and the linkage 37 is initially located at the initial end of the arc-shaped groove 4101; as shown in fig. 3 and 9, the two feeding plates 39 are also far away from each other along the arc-shaped slot 4101, and the paper can be pushed forward, and feeding is stopped until one end of the paper abuts against the limit plate 25 on the upper clamping plate 10, so that the rotating plate 8 is reset, and the manual feeding is completed. It is worth noting that the distance between the limiting plate 25 and the right-angle clamping plate 9 is the width of the subsequent test paper tape, that is, the shortest distance between the right-angle clamping plate 9 and the limiting plate 25 is smaller than the width of the first chuck 2 and the second chuck 3.

Above-mentioned in-process that resets, slider 21 turns to the tip of connecting plate 7, third inclined plane 22 and fourth inclined plane 23 contact gradually, under the pressure of fourth inclined plane 23 moves, slider 21 is promoted and is close to towards tester 1 direction, slider 21 drives two balladeur train 15 and is close to towards tester 1 direction, when balladeur train 15 is close to tester 1, slide along chute 14 and be close to towards tester 1 direction more, two chute 14 distances are more near, thereby make two balladeur train 15 be close to each other, thereby it presss from both sides the upper end of paper to drive two punch holder 10, and straighten towards tester 1 direction. On the basis, when the two carriages 15 approach each other, the two movable plates 16 below the two carriages approach each other, the first wedge blocks 17 on the movable plates 16 fully contact with the second wedge blocks 19 on the straightening plates 13, and the two first wedge blocks 17 move upwards under the action of the second inclined surfaces 20 pressing the first inclined surfaces 18, so that the movable plates 16 and the upper clamp plate 10 below the movable plates are driven to move upwards, and the upper clamp plate 10 straightens the paper upwards.

Referring to fig. 1-15, the second clamping assembly, which is used for clamping the lower end of the paper board 47, is installed at the lower end of the right-angle clamping plate 9, and includes a lower clamping plate 11 slidably installed on the right-angle clamping plate 9, a second adjusting assembly for adjusting the position of the lower clamping plate 11 is provided on the right-angle clamping plate 9, the second adjusting assembly includes a movable hole provided on the right-angle clamping plate 9, an adjusting block 29 is provided on the lower clamping plate 11, and the adjusting block 29 is slidably installed in the movable hole, a third air bag 31 is provided above the adjusting block 29, a second air bag 30 is fixedly installed on the outer wall of one side of the two right-angle clamping plates 9, and the third air bag 31 is communicated with the second air bag 30.

On the basis of accomplishing upper end centre gripping and flare-out, this scheme has still set up second centre gripping subassembly, carries out the centre gripping to the paper lower extreme, and concrete step is:

when the two right-angle clamping plates 9 approach each other, the paper is clamped by the lower clamping plate 11 and the second air bag 30 is squeezed, the air in the second air bag 30 is pressed into the third air bag 31 (as shown in fig. 5), the third air bag 31 expands to push the adjusting block 29 to move downwards, and the adjusting block 29 drives the lower clamping plate 11 to move downwards, so that the clamped paper is pulled downwards, and the purpose of straightening the lower end of the paper is achieved.

Refer to fig. 1-15; the cutting assembly is used for cutting the paperboard 47 and is located at the position, close to the side wall of the testing machine 1, of the right-angle clamping plate 9, the cutting assembly comprises a motor 44 fixedly mounted on the side wall of the connecting plate 7, a reciprocating lead screw 45 is fixedly mounted on an output shaft of the motor 44, knife rests 46 are slidably mounted on the side walls, far away from the two right-angle clamping plates 9, and a double-head blade 24 is fixedly mounted between the two knife rests 46.

Under the clamping action of the first clamping assembly and the second clamping assembly, paper is fixed, the motor 44 is started to drive the reciprocating lead screw 45 to rotate, the reciprocating lead screw 45 rotates to generate thread transmission with a threaded hole in the tool rest 46, the tool rest 46 is driven to move upwards or downwards, the motor 44 stops when the tool rest 46 moves to the end of the reciprocating lead screw 45, the next starting is waited, and therefore the purpose that two times of cutting can be carried out in one reciprocating stroke is achieved. The knife rest 46 drives the double-head blade 24 to cut the clamped paper, the cut part is a part exceeding the right-angle clamping plate 9, as shown in fig. 15, and the distance between the upper clamping plate 10 and the lower clamping plate 11 and the right-angle clamping plate 9 is very short and is slightly larger than the thickness of the double-head blade 24, so that the width of the cut paper tape can be better grasped, and the subsequent detection precision is improved.

Reference is made to fig. 1-14; a paper feeding assembly for pushing a paper board 47 to approach the testing machine 1, which includes two guide plates 40 symmetrically mounted on the sliding frame 5, wherein guide grooves 41 are formed in the two guide plates 40, each guide groove 41 includes an arc groove 4101 and a straight groove 4102, linkage rods 37 are slidably mounted on the two guide grooves 41, a feeding plate 39 is elastically mounted on one side of the two linkage rods 37, which is close to the test machine 1, an elastic rod 38 is disposed between the feeding plate 39 and the linkage rods 37, a transmission assembly is disposed between the linkage rods 37 and the rotating plate 8, when the rotating plate 8 rotates to be far away from the testing machine 1, the linkage rods 37 slide in the straight groove 4102 towards the testing machine 1, when the rotating plate 8 rotates to be close to the testing machine 1, the linkage rods 37 slide in the direction of being far away from the testing machine 1 in the arc groove 1, the transmission assembly includes two first rotating rods 32 inserted on two side walls of the rotating plate 8, second rotating rods 34 are rotatably mounted on two outer walls of the connecting plate 7, a first gear 33 is sleeved on the first rotating rod 32, a second gear 35 engaged with the first gear 33 is rotatably mounted on one end of the second rotating rod 34 far away from the connecting plate 7, and one end of the connecting plate 36 is connected with the connecting plate 36; the top end of the right-angle splint 9 is fixedly provided with a sliding plate 4107, the bottom of the mounting frame 6 is provided with a sliding groove 4106 matched with the sliding plate 4107, two sliding plates 4107 are close to one end and fixedly provided with an electromagnet 4108, the inner side wall of the straight groove 4102 is provided with a pressing switch 4105, the pressing switch 4105 is electrically connected with the electromagnet 4108, the joint of the straight groove 4102 and the arc-shaped groove 4101 is rotatably provided with a one-way plate 4103, the inner wall of the straight groove 4102 is provided with a baffle 4104, the testing machine 1 is provided with a first chuck 2 and a second chuck 3 respectively, the first chuck 2 and the second chuck 3 are both driven by electromagnetism, the testing machine 1 is provided with a push plate 52 for pressing the inclined plate 12, and the push plate 52 is provided with a first contact switch 50 for controlling the first chuck 2 and the second chuck 3.

After the above cutting process is completed, the sliding frame 5 is driven by an external driving assembly to move towards the tester 1, and the upper clamping plate 10 and the lower clamping plate 11 clamp the cut paper tape to enter the positions of the first chuck 2 and the second chuck 3, as shown in fig. 1, a space is provided between the first chuck 2 and the second chuck 3 to allow the paper tape to pass through, at this time, the inclined plate 12 on the rotating plate 8 is pressed by the pushing plate 52 to tilt up and start to rotate, the rotating plate 8 presses the first contact switch 50, at this time, the first chuck 2 and the second chuck 3 are started to clamp the stretched paper tape, and through the above description, when the rotating plate 8 is pushed, the two upper clamping plates 10 are separated to release the paper tape, and the lower clamping plate 11 is driven by the right-angle clamping plate 9, the right-angle board 9 is attracted to each other by the electromagnet 4108 (as shown in fig. 11), when the rotating board 8 rotates to the maximum angle, the first rotating rod 32 follows the rotating board 8 to rotate, and the first rotating rod 32 is installed at the rotating shaft of the rotating board 8, the first rotating rod 32 drives the second rotating rod 34 to rotate through gear transmission (as shown in fig. 6), the rotating direction of the second rotating rod 34 is opposite to the rotating direction of the rotating board 8, when the rotating board 8 rotates away from the testing machine 1, the second rotating rod 34 drives the linking rod 37 to move away from the testing machine 1 along the arc-shaped slot 4101, when reaching the other end of the arc-shaped slot 4101, the one-way board 4103 is pressed (as shown in fig. 9) to enter the straight slot 4102, and will not return along the original path of the arc-shaped slot 4101 under the block of the one-way board 4103, but move along the straight slot 4102, when entering the straight slot 4102, the pressing switch 4105 will be pressed, so that the electromagnet 4108 is deenergized, thereby two right angle clamping plates 9 are loosened, the lower clamping plate 11 is loosened to finish the paper tape feeding.

After feeding is completed, the sliding frame 5 is reset, the rotating plate 8 turns to the testing machine 1, the linkage rod 37 moves towards the testing machine 1 along the straight groove 4102 at the moment, the two feeding plates 39 push the rest paper (the part which is not cut) to the upper clamping plate 10 and the lower clamping plate 11 at the moment, then the clamping, straightening and cutting operations are repeated, and feeding is performed next time after testing is completed.

It should be noted that the telescopic rod mounting plates 36 are connected by universal joints, which facilitates the sliding of the linkage rods 37.

Referring to fig. 1-15, a diversion trench 48 is provided in the right-angle clamp plate 9, a plurality of air nozzles 28 are provided on the outer wall of the right-angle clamp plate 9, each air nozzle 28 is communicated with the diversion trench 48, a pressing plate 26 is fixedly mounted on the rotating plate 8, a first air bag 27 is provided on the connecting plate 7, the first air bag 27 is communicated with the diversion trench 48, an electromagnetic valve 49 is provided in the diversion trench 48, a one-way valve is provided at the joint of the first air bag 27 and the diversion trench 48, an inclined plate 12 is fixedly mounted at one end of the rotating plate 8 close to the testing machine 1, and a second contact switch 51 for controlling the electromagnetic valve 49 is provided on the push plate 52.

In order to prevent that after the paper tape test is finished, when not falling from the first chuck 2 and the second chuck 3 smoothly, this scheme has set up splitter box 48 in the right angle splint 9, when rotor plate 8 rotates, can drive clamp plate 26 compression first gasbag 27, set up the inlet port on the first gasbag 27 and be equipped with the check valve, be used for breathing in, the gas in the first gasbag 27 is pressed into splitter box 48, wherein having pulled rotor plate 8 with the hand when carrying out the first material loading of paper, accomplish first gassing, gas can not spout this moment, when swash plate 12 contacts with the second contact switch 51 on the push pedal 52, solenoid valve 49 in splitter box 48 is opened, gas is spout from air cock 28, will not blow off the paper tape that falls, improve and detect the precision.

A paper folding endurance detection method comprises the following steps:

s1: the paper plate 47 is fed into the space between the two right-angle clamping plates 9 from the feeding port 42, and the upper end and the lower end of the paper plate 47 are respectively clamped by the first clamping assembly and the second clamping assembly;

s2; the sliding frame 5 is driven to move towards the direction of the testing machine 1, and the paper plate 47 is cut through the cutting assembly;

s3; the cut paper plate 47 enters between the first chuck 2 and the second chuck 3 along with the sliding frame 5 under the clamping of the first clamping assembly and the second clamping assembly, the paper tape is clamped by the first chuck 2 and the second chuck 3, the paper tape is loosened by the first clamping assembly and the second clamping assembly, and feeding is finished at the moment;

s4; and adjusting the tension value, starting the testing machine 1, enabling the second chuck 3 to swing in a reciprocating manner until the paper tape breaks, and automatically opening the first chuck 2 and the second chuck 3 to loosen the paper tape.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a paper folding endurance detection device, includes test machine (1) and cardboard (47), its characterized in that still includes:

the test machine comprises an outer connecting plate (4) fixedly mounted on the outer wall of a test machine (1), a sliding frame (5) is mounted on the outer connecting plate (4) in a sliding mode, a feeding hole (42) is formed in the sliding frame (5), a guide frame (43) used for guiding a paper board (47) is arranged on the sliding frame (5), a mounting frame (6) is fixedly mounted on the sliding frame (5), two right-angle clamping plates (9) are mounted on the bottom wall of the mounting frame (6) in a sliding mode, a connecting plate (7) is fixedly mounted on the mounting frame (6), a rotating plate (8) is rotatably mounted on the connecting plate (7), a first clamping assembly used for clamping the upper end of the paper board (47) is arranged on the rotating plate (8), and a first adjusting assembly used for adjusting the position of the first clamping assembly is arranged between the rotating plate (8) and the connecting plate (7);

the second clamping assembly is used for clamping the lower end of the paperboard (47), is arranged at the lower end of the right-angle clamping plate (9), and comprises a lower clamping plate (11) which is slidably arranged on the right-angle clamping plate (9), and a second adjusting assembly used for adjusting the position of the lower clamping plate (11) is arranged on the right-angle clamping plate (9);

the paper feeding assembly is used for pushing a paper board (47) to approach the testing machine (1) and comprises two guide plates (40) symmetrically arranged on a sliding frame (5), guide grooves (41) are formed in the two guide plates (40), each guide groove (41) comprises an arc-shaped groove (4101) and a straight groove (4102), linkage rods (37) are arranged on the two guide grooves (41) in a sliding mode, a feeding plate (39) is elastically arranged on one side, close to each linkage rod (37), of each linkage rod (37), a transmission assembly is arranged between each linkage rod (37) and a rotating plate (8), when the rotating plate (8) rotates to be far away from the testing machine (1), the linkage rods (37) slide in the straight grooves (4102) in the direction of the testing machine (1), and when the rotating plate (8) rotates to approach the testing machine (1), the linkage rods (37) slide in the arc-shaped grooves (4101) in the direction of the testing machine (1);

the cutting assembly is used for cutting the paperboard (47) and is positioned at the side wall of the right-angle clamping plate (9) close to the testing machine (1);

the device comprises a rotating plate (8), an inclined plate (12) is fixedly mounted at one end, close to a testing machine (1), of the rotating plate (8), a first chuck (2) and a second chuck (3) are respectively arranged on the testing machine (1), the first chuck (2) and the second chuck (3) are driven by electromagnetism, a push plate (52) used for pressing the inclined plate (12) is arranged on the testing machine (1), and a first contact switch (50) used for controlling the first chuck (2) and the second chuck (3) is arranged on the push plate (52).

2. The paper folding endurance detecting device according to claim 1, wherein the first clamping assembly comprises a slider (21) slidably mounted on the rotating plate (8), two carriages (15) are slidably mounted on one side of the slider (21) close to the testing machine (1), movable plates (16) are movably inserted into bottom ends of the two carriages (15), an upper clamping plate (10) is fixedly mounted at bottom ends of the two movable plates (16), and a limiting plate (25) is arranged at one end of each of the two upper clamping plates (10) close to the testing machine (1).

3. The paper folding endurance detection device according to claim 2, wherein the first adjusting assembly comprises two chutes (14) formed in a bottom wall of the rotating plate (8), one ends of the two chutes (14) close to the testing machine (1) are gradually close to each other, top ends of the two carriages (15) are respectively slidably mounted in the two chutes (14), first wedge blocks (17) are mounted on outer walls of one sides of the moving plate (16) far away from each other, first inclined planes (18) are arranged on the two first wedge blocks (17), a straightening plate (13) is fixedly mounted on the rotating plate (8), two second wedge blocks (19) are mounted on the straightening plate (13), and second inclined planes (20) are arranged on the two second wedge blocks (19).

4. The paper folding endurance detecting apparatus of claim 2, wherein a fourth slope (23) is formed at an end of the connecting plate (7) close to the testing machine (1), and a third slope (22) is formed on the slider (21), so that when the rotating plate (8) turns to the testing machine (1), the slider (21) is pushed toward the testing machine (1).

5. The paper folding endurance detection device of claim 1, wherein the second adjustment assembly comprises a movable hole formed in the right angle clamping plate (9), the lower clamping plate (11) is provided with an adjustment block (29), the adjustment block (29) is slidably mounted in the movable hole, a third air bag (31) is arranged above the adjustment block (29), the outer walls of two adjacent right angle clamping plates (9) are fixedly provided with a second air bag (30), and the third air bag (31) is communicated with the second air bag (30).

6. The paper folding endurance detection device of claim 1, wherein the transmission assembly comprises two first rotating rods (32) inserted on two side walls of the rotating plate (8), a second rotating rod (34) is installed on outer walls of two sides of the connecting plate (7) in a rotating mode, a first gear (33) is sleeved on the first rotating rod (32), a second gear (35) meshed with the first gear (33) is installed on the second rotating rod (34) in a rotating mode, one end of the connecting plate (7) is far away from the second rotating rod (34), a mounting plate (36) is installed at the bottom of the mounting plate (36) in a rotating mode, and the telescopic rod is far away from one end of the mounting plate (36) and connected with the upper end of the linkage rod (37).

7. The paper folding endurance detection device according to claim 1, wherein a sliding plate (4107) is fixedly mounted at the top end of the right-angle clamping plate (9), a sliding groove (4106) matched with the sliding plate (4107) is formed in the bottom of the mounting frame (6), an electromagnet (4108) is fixedly mounted at one end, close to one end, of each of the two sliding plates (4107), a pressing switch (4105) is arranged on the inner side wall of the straight groove (4102), the pressing switch (4105) is electrically connected with the electromagnet (4108), a one-way plate (4103) is rotatably mounted at the joint of the straight groove (4102) and the arc-shaped groove (4101), and a baffle plate (4104) is arranged on the inner wall of the straight groove (4102).

8. The paper folding endurance detection device according to claim 1, wherein the cutting assembly comprises a motor (44) fixedly mounted on a side wall of the connection plate (7), an output shaft of the motor (44) is fixedly mounted with a reciprocating lead screw (45), two tool rests (46) are slidably mounted on side walls of the two right angle clamping plates (9) away from each other, and a double-head blade (24) is fixedly mounted between the two tool rests (46).

9. The paper folding endurance detection device according to claim 1, wherein a diversion trench (48) is disposed in the right-angle clamp plate (9), an outer wall of the right-angle clamp plate (9) is provided with a plurality of air nozzles (28), each air nozzle (28) is communicated with the diversion trench (48), the rotating plate (8) is fixedly provided with a pressing plate (26), the connecting plate (7) is provided with a first air bag (27), the first air bag (27) is communicated with the diversion trench (48), the diversion trench (48) is provided with a solenoid valve (49), a one-way valve is disposed at a joint of the first air bag (27) and the diversion trench (48), and the push plate (52) is provided with a second contact switch (51) for controlling the solenoid valve (49).

10. A method of testing adapted for use with a test device according to any of claims 1-9, comprising the steps of:

s1: the paperboard (47) is fed between the two right-angle clamping plates (9) from the feeding port (42), and the upper end and the lower end of the paperboard (47) are respectively clamped by the first clamping assembly and the second clamping assembly;

s2; the sliding frame (5) is driven to move towards the direction of the testing machine (1), and the paper board (47) is cut through the cutting assembly;

s3, performing primary filtration; the cut paper board (47) enters between the first chuck (2) and the second chuck (3) along with the sliding frame (5) under the clamping of the first clamping assembly and the second clamping assembly, the paper tape is clamped by the first chuck (2) and the second chuck (3), the paper tape is loosened by the first clamping assembly and the second clamping assembly, and feeding is finished at the moment;

s4; and adjusting the tension value, starting the testing machine (1), enabling the second chuck (3) to swing in a reciprocating manner until the paper tape breaks, and automatically opening and loosening the paper tape by the first chuck (2) and the second chuck (3).

Images