Needle detector for knapsack cloth processing

Abstract

The utility model provides a needle detector for knapsack cloth processing, which comprises a first needle detection component arranged at a feeding end, a second needle detection component arranged at a feeding end and a third needle detection component arranged at a discharging end, and feeding is performed among the first needle detection component, the second needle detection component and the third needle detection component through two groups of feeding compression rollers respectively. One group of feeding compression rollers are arranged at a high position, and the other group of feeding compression rollers are arranged at a low position; and an electromagnetic sensor is arranged behind the third needle detection assembly. The three detection assemblies are arranged, the time for conveying and detecting the cloth is prolonged, the three detection assemblies are arranged at different heights, and therefore the situation that some needle heads are possibly obliquely inserted along the cloth, the angle is small, and the needle heads cannot be detected is avoided, and after the cloth is conveyed from bottom to top and from top to bottom through the feeding compression roller, the needle heads cannot be detected. And the inclination angle of the needle head is enlarged, so that the needle head can be detected when being conveyed to the rear-end detection assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to knapsack processing equipment field especially, relates to a needle detector for knapsack cloth processing. BACKGROUND

[0002] When using the rolling machine to detect samples, the rolling machine only has the function of rolling, and the cloth inspection completely relies on manual operation; some needles on the pulling machine may be hidden on the cloth, and the pulling needles are not easy to be seen by the naked eye due to the interference of the color of the cloth. Therefore, it is easy to miss the inspection of the pulling needle in the cloth inspection process, so it is necessary to carry out needle detection operation on the cloth before leaving the factory to reduce the safety hidden danger of the cloth. Although the existing needle detector equipment has the function of reminding foreign matter by using the roller in combination with touch, some needle heads may be inserted along the cloth at a small angle, and it may not be possible to effectively detect them without multiple magnification and positioning. Therefore, the utility model provides a needle detector for knapsack cloth processing to solve the above problems. CONTENT OF THE UTILITY MODEL

[0003] In view of the deficiencies in the prior art, the utility model provides a needle detector for knapsack cloth processing.

[0004] The utility model discloses a kind of needle detectors for knapsack cloth processing, comprising:

[0005] First needle component of being set in feed end, second needle component of being set in feeding end and third needle component of being set in discharge end, the first needle component and the second needle component are consistent in setting specification, the second needle component is set in the upper end of first needle component and third needle component, first needle component, second needle component and third needle component are respectively fed by two groups of feeding pressure roller, one group of feeding pressure roller is set in high position, one group of feeding pressure roller is set in low position;

[0006] The first needle component includes lower mounting table and upper mounting table, the trigger roller is installed on the upper mounting table, the eccentric position of the trigger roller is fixedly provided with second shaft, the two ends of the second shaft are rotatably connected to the upper mounting table, the lower surface of the upper mounting table is provided with a notch matched with the trigger roller, the trigger roller can rotate in the notch around the second shaft, a position sensor is arranged on the inner wall of the notch, the position sensor limits the trigger roller to cross the highest point of the notch, the lower mounting table is provided with symmetrically arranged first obstacle roller and second obstacle roller, and the first obstacle roller and the second obstacle roller are distributed on the left and right sides of the trigger roller.

[0007] The third needle component is also provided with first obstacle roller, second obstacle roller and trigger roller, and an electromagnetic sensor is arranged behind the second obstacle roller.

[0008] Further, the first and second obstacle rollers are arranged on corresponding first rotating shafts, which are mounted on the lower mounting table.

[0009] Further, a mounting rack is arranged outside the discharge end of the first needle detection assembly, and a comb roller is assembled in the mounting rack. The comb roller is provided with two symmetrically arranged lower ends of the upper and lower mounting tables.

[0010] Further, a group of low-position feeding pressure rollers are mounted at the discharge end of the first needle detection assembly, and a group of high-position feeding pressure rollers are mounted at the front end of the second needle detection assembly.

[0011] A group of high-position feeding pressure rollers are mounted at the discharge end of the second needle detection assembly, and a group of low-position feeding pressure rollers are mounted at the front end of the third needle detection assembly.

[0012] Further, a comb roller is arranged at the end of the third needle detection assembly, and an electromagnetic sensor is arranged at the rear end of the comb roller.

[0013] Further, the electromagnetic sensor is provided with two rows, and the two rows of electromagnetic sensors are arranged on the sides of the two telescopic supports facing the conveying channel, and the two telescopic supports are arranged on the upper and lower mounting tables.

[0014] Further, the first and second obstacle rollers are symmetrically arranged on the left and right sides of the second rotating shaft. When the trigger roller is not subjected to external force, a channel allowing the cloth to pass through is formed between the trigger roller, the first obstacle roller and the second obstacle roller.

[0015] Further, the angle between the high-position feeding pressure rollers and the low-position feeding pressure rollers on the same side is more than 45 degrees.

[0016] Further, the angle between the high-position feeding pressure rollers and the low-position feeding pressure rollers on the same side is 80 degrees.

[0017] Further, the first and third detection assemblies are arranged at the same horizontal height, and the first and third detection assemblies are arranged lower than the second detection assembly.

[0018] Further, the third detection assembly has the same basic specifications as the first detection assembly, except that the telescopic support and the electromagnetic sensor are additionally arranged, which can increase the sensing protection.

[0019] Compared with the prior art, the utility model have following beneficial effect: the utility model discloses through setting up three detection components, be respectively first detection component, second detection component and third detection component, and then the time of conveying cloth and detecting cloth is lengthened, through setting up three detection components at different height, thereby avoid some needle possibly be along cloth oblique insert and angle be small, cannot be detected, through the conveying of feeding pressure roller to cloth is down and up and up and down transmission, enlarge the inclination angle of needle, and then when conveying to rear end detection component can be measured, and set up electromagnetic sensor on third detection component, through setting last pass, the needle of not identifying in front is identified by the principle of electromagnetic effect and capacitance change, finally effectively reduce the needle of existence in cloth, improve the security of cloth. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is whole structure schematic diagram of the utility model;

[0021] Figure 2 It is external structure schematic diagram of third detection component of the utility model;

[0022] Figure 3 It is Figure 2 internal structure schematic diagram.

[0023] In the above drawing:

[0024] 100 first needle detection component, 110 lower mounting table, 111 first rotating shaft, 112 first obstacle roller, 113 second obstacle roller, 120 upper mounting table, 121 trigger roller, 122 second rotating shaft, 123 recess, 130 position sensor, 140 comb roller, 150 mounting frame, 200 second needle detection component, 300 third needle detection component, 400 feeding pressure roller, 500 telescopic frame, 501 electromagnetic sensor. DETAILED DESCRIPTION

[0025] The technical scheme in the utility model is further explained below in connection with the drawings and examples.

[0026] Specifically, for example Figures 1-3The utility model discloses a kind of needle detection machines for knapsack cloth processing, first needle detection assembly 100 being arranged in feed end, second needle detection assembly 200 being arranged in feeding end and third needle detection assembly 300 being arranged in discharge end, the setting specification of the first needle detection assembly 100 and the second needle detection assembly 200 is consistent, the second needle detection assembly 200 is arranged in the upper end of first needle detection assembly 100 and third needle detection assembly 300, and the first needle detection assembly 100, second needle detection assembly 200 and third needle detection assembly 300 are respectively fed by two groups of feeding compression rollers 400, one group of feeding compression rollers 400 is arranged in high position, and one group of feeding compression rollers 400 is arranged in low position.

[0027] Need to be explained, the third needle detection assembly 300 and the specification structure of first needle detection assembly 100 are consistent, just compared to first needle detection assembly 100, electromagnetic sensor 501 is increased, to improve the identification effect of needle head not being identified, and telescopic stand 500 connected with electromagnetic sensor 501 is simultaneously increased, the sensing effect of electromagnetic sensor 501 is adjusted by adjusting the height of telescopic stand 500, need to be explained, it is shown as two points in the drawing, but actually in actual distribution, electromagnetic sensor 501 is laid in the bottom end of telescopic stand 500, and is arranged in the front-back direction perpendicular to the drawing.

[0028] The first needle detection assembly 100 includes lower mounting table 110 and upper mounting table 120, trigger roller 121 is installed on the upper mounting table 120, second shaft 122 is fixedly arranged at the eccentric position of trigger roller 121, both ends of second shaft 122 are rotatably connected on the upper mounting table 120, the lower surface of upper mounting table 120 is provided with notch 122 matched with trigger roller 121, trigger roller 121 can rotate in notch 122 around second shaft 122, position sensor 130 is arranged on the inner wall of notch 122, position sensor 130 limits trigger roller 121 to cross the highest point of notch 122, symmetrically arranged first obstacle roller 112 and second obstacle roller 113 are installed on lower mounting table 110, and the first obstacle roller 112 and the second obstacle roller 113 are symmetrically arranged on the left and right sides of second shaft 122, the first obstacle roller 112 and the second obstacle roller 113 are arranged on corresponding first shaft 111 respectively, and first shaft 111 is installed on lower mounting table 110, and the first obstacle roller 112 and the second obstacle roller 113 are distributed on the left and right sides of trigger roller 121.

[0029] First obstacle roller 112, second obstacle roller 113 and trigger roller 121 are also arranged on the third needle detection assembly 300, electromagnetic sensor 501 is arranged behind second obstacle roller 113, and details are shown in the following figure. Figure 2 And 3The electromagnetic sensor 501 is provided with two rows of upper and lower rows, facilitating uniform needle detection of the cloth, and the two rows of electromagnetic sensors 501 are arranged on the sides of the two telescopic rods 500 facing the conveying channel, and the two telescopic rods 500 are arranged on the upper mounting table 120 and the lower mounting table 110, respectively.

[0030] For details, see the accompanying drawings Figure 2 In order to facilitate the conveying of the cloth, a mounting frame 150 is arranged outside the discharge end of the first needle detection assembly 100, a comb roller 140 is arranged in the mounting frame 150, the comb roller 140 is provided with two upper and lower symmetrical ends arranged on the lower mounting table 110 and the upper mounting table 120, and in addition, the end of the third needle detection assembly 300 is provided with a comb roller 140, and the rear end of the comb roller 140 is provided with an electromagnetic sensor 501.

[0031] In order to enlarge the inclination angle of the needle buried in the cloth, a plurality of feeding pressure rollers 400 are arranged to have a height difference, a group of low-position feeding pressure rollers 400 are arranged at the discharge end of the first needle detection assembly 100, a group of high-position feeding pressure rollers 400 are arranged at the feeding front end of the second needle detection assembly 200, a group of high-position feeding pressure rollers 400 are arranged at the discharge end of the second needle detection assembly 200, and a group of low-position feeding pressure rollers 400 are arranged at the feeding front end of the third needle detection assembly 300, so as to enlarge the inclination angle of the needle and facilitate detection.

[0032] In use, the cloth is sequentially conveyed into the first needle detection assembly, the second needle detection assembly and the third needle detection assembly for detection, since the first obstacle roller and the second obstacle roller are symmetrically arranged on the left and right sides of the second rotating shaft, when the trigger roller is not subjected to external force, a channel allowing the cloth to pass through is formed among the trigger roller, the first obstacle roller and the second obstacle roller, when the needle exists in the cloth, if the bending angle of the needle is relatively large, the trigger roller is subjected to external force and deviates from the original track, at this time, the position sensor senses the deviation and closes the cloth channel, until the needle or foreign matter is removed and restored to the original state, the cloth can continue to be conveyed, but if the needle with a small bending angle exists, the needle is conveyed by the feeding pressure roller and lifted to the second detection assembly, at this time, since the high-position feeding pressure roller and the low-position feeding pressure roller have an angle difference and a height difference, the deviation angle of the original needle is enlarged, so that the needle can be detected in the second detection assembly, the principle of the second detection assembly is the same as that of the first detection assembly, and then the cloth continues to be conveyed to the rear, if the needle is not identified in the second detection assembly, in addition to the position odor sensing in the third detection assembly, the electromagnetic sensor is additionally arranged, the needle which is not identified is detected by using the electromagnetic principle and the capacitance change, so that the last prevention and control is realized, and the safety accident caused by the needle mixed into the cloth is avoided,

[0033] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. A needle detector for processing of backpack fabric, characterized in that, The utility model relates to a needle detection device for the production of the needle, which comprises: a first needle detection assembly arranged at the feeding end, a second needle detection assembly arranged at the feeding end, and a third needle detection assembly arranged at the discharging end, the first needle detection assembly and the second needle detection assembly have the same specifications, the second needle detection assembly is arranged at the upper end of the first needle detection assembly and the third needle detection assembly, and the first needle detection assembly, the second needle detection assembly, and the third needle detection assembly are fed by two groups of feeding pressure rollers respectively, one group of feeding pressure rollers is arranged at a high position, and the other group of feeding pressure rollers is arranged at a low position; the first needle detection assembly comprises a lower mounting table and an upper mounting table, a trigger roller is mounted on the upper mounting table, a second rotating shaft is fixedly arranged at the eccentric position of the trigger roller, the two ends of the second rotating shaft are rotatably connected to the upper mounting table, a notch adapted to the trigger roller is formed in the lower surface of the upper mounting table, the trigger roller can rotate in the notch around the second rotating shaft, a position sensor is arranged on the inner wall of the notch, the position sensor limits the trigger roller from passing the highest point of the notch, and the lower mounting table is provided with symmetrically arranged first obstacle rollers and second obstacle rollers, which are distributed on the left and right sides of the trigger roller; the third needle detection assembly is also provided with first obstacle rollers, second obstacle rollers, and a trigger roller, and an electromagnetic sensor is arranged behind the second obstacle rollers.

2. The needle detector for processing of rucksack fabric according to claim 1, wherein Wherein: the first obstacle rollers and the second obstacle rollers are arranged on corresponding first rotating shafts, and the first rotating shafts are mounted on the lower mounting table.

3. The needle detector for processing of rucksack fabric according to claim 1, wherein Wherein: an installation rack is arranged outside the discharging end of the first needle detection assembly, a comb roller is assembled in the installation rack, and the comb roller is provided with two symmetrically arranged ends on the lower mounting table and the upper mounting table.

4. The needle detector for processing of rucksack fabric according to claim 1, wherein Wherein: a group of low-position feeding pressure rollers are arranged at the discharging end of the first needle detection assembly, and a group of high-position feeding pressure rollers are arranged at the feeding front end of the second needle detection assembly; a group of high-position feeding pressure rollers are arranged at the discharging end of the second needle detection assembly, and a group of low-position feeding pressure rollers are arranged at the feeding front end of the third needle detection assembly.

5. The needle detector for processing of rucksack fabric according to claim 1, wherein Wherein: a comb roller is arranged at the end of the third needle detection assembly, and an electromagnetic sensor is arranged at the rear end of the comb roller.

6. The needle detector for processing of backpack fabric according to any one of claims 1-5, characterized in that, Wherein: the electromagnetic sensor is provided with two rows arranged above and below, the two rows of electromagnetic sensors are arranged on one side of the upper and lower telescopic racks facing the conveying channel, and the two telescopic racks are arranged on the upper mounting table and the lower mounting table respectively.

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