CN112212920A

CN112212920A - Automatic detection device of circular knitting machine triangle

Info

Publication number: CN112212920A
Application number: CN202011103267.5A
Authority: CN
Inventors: 李阿扁; 赖槿峰; 刘奇峰; 李俊聪
Original assignee: Zhangzhou Yongliang Knitting Machinery Co ltd
Current assignee: Zhangzhou Yongliang Knitting Machinery Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-01-12

Abstract

The invention provides a circular knitting machine triangle automatic detection device, which comprises a parameter detection device and a conveying device, wherein the parameter detection device comprises a parameter detection device and a parameter detection device; the device also comprises a resistance detection device and a first clamping mechanism; the resistance detection device comprises a bearing mechanism, a resistance detection mechanism and a guide-in mechanism; the resistance detection mechanism comprises a first detection device and a second detection device; the bearing mechanism comprises a first bearing wall and a second bearing wall; the leading-in mechanism comprises a first leading-in block for guiding the first detection head to slide in and a second leading-in block for guiding the second detection head to slide in; the first clamping mechanism is arranged among the parameter detection device, the first bearing wall and the second bearing wall. The invention has high automation degree, is convenient and quick to detect the geometric parameters of the triangular groove, and can detect the triangular groove back and forth, thereby further ensuring the quality of the triangle.

Description

Automatic detection device of circular knitting machine triangle

Technical Field

The invention relates to the technical field of circular knitting machines, in particular to a triangular automatic detection device of a circular knitting machine.

Background

Circular knitting machines, known as circular weft knitting machines (or circular knitting machines). The circular knitting machine has the advantages of high loop forming system (called yarn feeding path number or loop forming path number in enterprises for short) quantity, high rotating speed, high yield, fast pattern change, good fabric quality, few working procedures and strong product adaptability, so the circular knitting machine is developed quickly.

The cam of the circular knitting machine is also called a gorgon and a water caltrop. According to different requirements of circular knitting machines for knitting varieties, a triangular groove of a circular knitting machine is used for controlling a knitting needle and a sinker to do reciprocating motion in a needle cylinder groove. Therefore, the geometric parameters of the grooves of the circular knitting machine cam and the resistance in the track formed by the grooves are important parameters for judging the quality of the circular knitting machine cam.

At present, the grooves on the circular knitting machine cam are generally detected in a manual detection mode to detect geometric parameters and detect resistance in a track formed by the grooves, but due to manual detection, the circular knitting machine cam detection device is poor in precision, low in detection speed, large in workload, low in automation degree and low in production efficiency, the quality of the detected circular knitting machine cam is uneven, and the stability of the quality of the circular knitting machine cam is not facilitated.

Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

Disclosure of Invention

The invention aims to provide an automatic triangular detection device for a circular knitting machine, which solves the problems of poor precision, low detection speed, large workload, low automation degree and low production efficiency in the background technology.

In order to achieve the purpose, the invention adopts the following technical scheme:

a circular knitting machine triangle automatic detection device comprises a parameter detection device for detecting geometric parameters of a circular knitting machine triangle groove and a conveying device for feeding the parameter detection device; the device also comprises a resistance detection device for detecting the resistance of the triangular groove and a first clamping mechanism for clamping the triangular on the conveying device on the parameter detection device and clamping the triangular on the parameter detection device on the resistance detection device; the resistance detection device comprises a bearing mechanism which is vertically arranged and used for placing a triangle, a resistance detection mechanism which is used for carrying out resistance detection on the groove of the triangle, and a guide-in mechanism which guides the resistance detection mechanism to slide into the groove to be detected; the resistance detection mechanism comprises a first detection device which is horizontally arranged and used for detecting the friction force of the triangular groove to be detected in the first direction and a second detection device which is horizontally arranged and used for detecting the friction force of the triangular groove to be detected in the second direction; the first detection device comprises a first detection head which extends into the groove to be detected and slides along a first direction; the first detection head comprises a first detection claw which is contacted with the first side wall of the groove to be detected, a second detection claw which is contacted with the second side wall of the groove to be detected, and a first elastic supporting component which is arranged between the first detection claw and the second detection claw in an opening manner; the second detection device comprises a second detection head which extends into the groove to be detected and slides along a second direction; the second detection head comprises a third detection claw which is contacted with the first side wall of the groove to be detected, a fourth detection claw which is contacted with the second side wall of the groove to be detected, and a second elastic supporting component which is arranged between the third detection claw and the fourth detection claw in an opening manner; the bearing mechanism comprises a first bearing wall and a second bearing wall, wherein the first bearing wall is vertically arranged, and the second bearing wall is vertically arranged; a first fixing groove for accommodating a triangle is formed on the side wall of the first bearing wall facing the first clamping mechanism; a second fixing groove for accommodating a triangle is formed on the side wall of the second bearing wall facing the first clamping mechanism; the leading-in mechanism comprises a first leading-in block for guiding the first detection head to slide in and a second leading-in block for guiding the second detection head to slide in; the first leading-in block is arranged on one side of the first fixing groove, and a first leading-in groove for the first detection head to slide into the groove to be detected is formed in the first leading-in block; the first leading-in groove is provided with a first sliding-in end and a first sliding-out end, the first sliding-out end corresponds to the first opening of the triangle, the width from the first sliding-in end to the first sliding-out end is gradually reduced, and the width of the first sliding-out end is smaller than that of the first opening; the second guide-in block is arranged on one side of the second fixing groove, and a second guide-in groove for the second detection head to slide into the groove to be detected is formed in the second guide-in block; the second leading-in groove is provided with a second sliding-in end and a second sliding-out end, the second sliding-out end corresponds to the triangular second opening, the width from the second sliding-in end to the second sliding-out end is gradually reduced, and the width of the second sliding-out end is smaller than that of the second opening; the first clamping mechanism is arranged among the parameter detection device, the first bearing wall and the second bearing wall.

Further, the device also comprises a guiding mechanism for guiding the resistance detection mechanism to slide out of the groove; the leading-out mechanism comprises a first leading-out block for guiding the first detection head to slide out and a second leading-out block for guiding the second detection head to slide out; the first leading-out block is arranged on the other side of the first fixing groove, and the second leading-out block is arranged on the other side of the second fixing groove; the first guide block is provided with a first guide groove for the first detection head to slide out, the first guide groove is provided with a third slide-out end, and the width dimension of the third slide-out end is larger than that of the second opening; the second guide-out block is provided with a second guide-out groove for the second detection head to slide out, the second guide-out groove is provided with a fourth slide-out end, and the width dimension of the fourth slide-out end is larger than that of the first opening.

Furthermore, a first notch for clamping by the first clamping mechanism is arranged on one side of the first fixing groove, and a second notch for clamping by the first clamping mechanism is arranged on the other side of the first fixing groove; one side of the second fixing groove is provided with a third notch for clamping by the first clamping mechanism, and the other side of the second fixing groove is provided with a fourth notch for clamping by the first clamping mechanism.

Furthermore, the first detection device also comprises a first sensing device for detecting the friction force, and the first sensing device comprises a first fixed seat, a first detection plate, a second detection plate, a first compression spring and a first force sensor; one end of the first detection plate is hinged to the first fixed seat, and the other end of the first detection plate is connected with the first detection head; the second detection plate is fixedly connected with the first fixed seat, the first compression spring is installed between the first detection plate and the second detection plate, and the first force sensor is installed at one end of the first compression spring; the second detection device also comprises a second sensing device for detecting the friction force, and the second sensing device comprises a second fixed seat, a third detection plate, a fourth detection plate, a second compression spring and a second force sensor; one end of the third detection plate is hinged to the second fixed seat, and the other end of the third detection plate is connected with the second detection head; the fourth detection plate is fixedly connected with the second fixed seat, the second compression spring is installed between the third detection plate and the fourth detection plate, and the second force sensor is installed at one end of the second compression spring.

Furthermore, the first detection device is also provided with a first resetting device for resetting the first detection head; the first resetting device comprises a first resetting block, a first supporting arm and a first connecting block; a cavity for accommodating the first connecting block is formed in the first reset block, and an opening for sliding the first supporting arm is formed in one side surface of the first reset block; one end of the first supporting arm is connected with the first connecting block, and the other end of the first supporting arm is connected with the first fixing seat; the first connecting block is arranged in a cavity formed by the first resetting block and is in sliding connection with the first resetting block; the second detection device is also provided with a second resetting device for resetting the second detection head; the second resetting device comprises a second resetting block, a second supporting arm and a second connecting block; a cavity for accommodating the second connecting block is formed in the second reset block, and an opening for sliding the second supporting arm is formed in one side surface of the second reset block; one end of the second supporting arm is connected with the second connecting block, and the other end of the second supporting arm is connected with the second fixed seat; the second connecting block is arranged in a cavity formed by the second reset block and is in sliding connection with the second reset block.

Further, the first elastic supporting part and the second elastic supporting part are both elastic rubber or springs.

Furthermore, the resistance detection mechanism further comprises a first power driving device for driving the first detection device to enter the first direction of the triangular groove, a first moving driving device for driving the first detection device to move longitudinally, a second power driving device for driving the second detection device to enter the second direction of the triangular groove, and a second moving driving device for driving the second detection device to move transversely.

Further, the first power driving device comprises a first air cylinder, the first movement driving device comprises a second air cylinder, the second power driving device comprises a third air cylinder, and the second movement driving device comprises a fourth air cylinder; the output end of the first air cylinder is connected with the first detection device, and the output end of the second air cylinder is connected with the first air cylinder; the output end of the third air cylinder is connected with the second detection device, and the output end of the fourth air cylinder is connected with the third air cylinder.

Further, the first power driving device and the first mobile driving device are provided with a first support frame, and the second power driving device and the second mobile driving device are provided with a second support frame.

Further, the first clamping mechanism comprises a first clamping device for clamping the triangle, a first rotary driving device for driving the first clamping device to rotate, a first telescopic driving device for driving the first clamping device to stretch, a lifting driving device for driving the first clamping device to lift, and a second rotary driving device for driving the first clamping device to rotate.

Further, the first clamping device comprises a first clamping part for clamping the triangle and a first opening and closing driving device for driving the first clamping part to open and close.

Further, the first clamping part comprises a first clamping hand for clamping one side of the triangle and a second clamping hand for clamping the other side of the triangle; the first opening and closing driving device comprises a first bidirectional opening and closing air cylinder; the first output end of the first bidirectional opening and closing cylinder is connected with the first clamping hand, and the second output end of the first bidirectional opening and closing cylinder is connected with the second clamping hand.

Further, the first rotary driving device comprises a first rotary cylinder and a first rotary base arranged at the output end of the first rotary cylinder; the second rotary driving device comprises a second rotary cylinder and a second rotary base arranged at the output end of the second rotary cylinder; one side of the first opening and closing driving cylinder is connected with the first rotating base, the output end of the first telescopic driving device is connected with the first rotating cylinder, the output end of the lifting driving device is connected with the first telescopic driving device, and the lifting driving device is arranged on the first rotating base.

Further, the device comprises a first jacking device for jacking and fixing the triangle on the first bearing wall and a second jacking device for fixing the triangle on the second bearing wall.

Further, the first tightening device comprises a first tightening part, a third power driving device for driving the first tightening part to move up and down, and a fourth power driving device for driving the first tightening part to tighten a triangle; the second jacking device comprises a second jacking component, a fifth power driving device for driving the second jacking component to move up and down, and a sixth power driving device for driving the second jacking component to jack the triangle tightly.

Further, the first jacking component comprises a first jacking rod and a second jacking rod; the second jacking component comprises a third jacking rod and a fourth jacking rod; the first ejector rod and the second ejector rod are installed at the output end of the third power driving device, and the output end of the fourth power driving device is connected with the third power driving device; the third ejector rod and the fourth ejector rod are installed at the output end of the fifth power driving device, and the output end of the sixth power driving device is connected with the fifth power driving device.

Furthermore, one end of the tight triangle of first ejector pin, second ejector pin, third ejector pin and fourth ejector pin all is equipped with smooth sphere.

Further, the parameter detection device comprises a lifting objective table for bearing a triangle, an annular shooting device arranged above the lifting objective table, a bottom shooting device arranged below the lifting objective table, and a measurement button for starting the parameter detection device.

Further, conveyor is including carrying out the conveyer belt that carries to the triangle, sets up the third fixed slot that is used for placing the triangle on the conveyer belt to and the driven transmission drive arrangement of drive conveyer belt.

Furthermore, a clamping station corresponding to the first clamping device is arranged on the conveying device.

After the structure is adopted, the automatic triangular detection device for the circular knitting machine, which is disclosed by the invention, has the following beneficial effects that:

conveying the triangular part of the circular knitting machine to a clamping station corresponding to a first clamping mechanism through a conveying device, grabbing the triangular part by the first clamping mechanism, placing the triangular part on a parameter detection device, detecting geometric parameters of a groove of the triangular part through the parameter detection device, clamping the triangular part on the parameter detection device through the first clamping mechanism after the triangular part is detected to be qualified, rotating the triangular part to a first fixing groove corresponding to a first bearing wall, placing the triangular part into the first fixing groove, detecting resistance in a first direction on the groove of the triangular part through a first detection head of the first detection device of the resistance detection mechanism, clamping the triangular part on the first bearing wall through the first clamping mechanism after the triangular part is detected to be qualified, placing the triangular part into a second fixing groove of a second bearing wall, detecting resistance in a second direction on the groove of the triangular part through the second detection head of the second detection device, and determining the quality of the triangular part to be qualified after the detection is qualified, can be put into use; the first guide groove of the first guide block is convenient for the first detection head to accurately slide into the groove to be detected, so that resistance detection of the triangular groove in the first direction is realized, the second guide groove of the second guide block is convenient for the second detection head to accurately slide into the groove to be detected, so that resistance detection of the triangular groove in the second direction is realized, the width size of the first slide-out end of the first guide groove is smaller than that of the first opening of the groove, so that the first detection head can more easily enter the groove to be detected, and resistance detection of the first direction of the groove to be detected is realized; the width dimension of the second sliding-out end of the second lead-in groove is smaller than that of the second opening of the groove, so that the second detection head can enter the groove to be detected more easily, and resistance detection is carried out on the groove to be detected in the second direction; the damage to a first detection head of the first detection device and a second detection head of the second detection device is avoided, and the service lives of the first detection device and the second detection device are prolonged; the invention has high automation degree, is convenient and quick to detect the geometric parameters of the triangular groove, can detect the geometric parameters of the triangular groove by common workers, and can detect the triangular groove back and forth, thereby further ensuring the quality of the triangle, ensuring that the triangle is not easy to damage in the using process and ensuring the working efficiency of the circular knitting machine.

Drawings

FIG. 1 is a schematic perspective view of a triangular automatic detection device of a circular knitting machine according to the present invention;

FIG. 2 is a schematic top view of the triangular automatic detection device of the circular knitting machine according to the present invention;

FIG. 3 is a schematic structural view of a first clamping mechanism of the automatic triangular detection device of the circular knitting machine according to the present invention;

FIG. 4 is a schematic structural diagram of a bearing mechanism, a leading-in mechanism and a leading-out mechanism of the triangular automatic detection device of the circular knitting machine according to the present invention;

FIG. 5 is a schematic structural view of a first detecting device of the automatic triangular detecting device for the circular knitting machine according to the present invention;

FIG. 6 is a schematic structural view of a first tightening device of the triangular automatic detection device of the circular knitting machine according to the present invention;

FIG. 7 is a schematic structural diagram of a first sensing device of the automatic triangular detecting device for the circular knitting machine according to the present invention.

In the figure: 1-parameter detection device, 2-conveying device, 3-first clamping device, 4-bearing device, 6-leading-in device, 7-leading-out device, 8-first abutting device, 9-second abutting device, 41-first bearing wall, 42-second bearing wall, 411-first fixing groove, 421-second fixing groove, 412-first gap, 413-second gap, 422-third gap, 423-fourth gap, 51-first detection device, 52-second detection device, 511-first detection head, 5111-first detection claw, 5112-second detection claw, 5113-first elastic supporting component, 512-first sensing device, 5121-first fixing seat, 5122-first detection plate, 5123-second detection plate, 5124-a first compression spring, 5125-a first force sensor, 513-a first resetting device, 5131-a first resetting block, 5132-a first support arm, 514-a first power driving device, 515-a second power driving device, 516-a first support frame, 31-a first clamping device, 32-a first rotation driving device, 33-a first telescopic driving device, 34-a second rotation driving device, 35-a lifting driving device, 311-a first clamping part, 312-a first opening and closing driving device, 3111-a first clamping hand, 3112-a second clamping hand, 321-a first rotation cylinder, 322-a first rotation base, 341-a second rotation cylinder, 342-a second rotation base, 21-a conveying belt, 22-a third fixing groove, 11-a lifting object stage, 12-annular shooting device, 13-bottom shooting device, 61-first guide block, 62-second guide block, 611-first guide groove, 621-second guide groove, 71-first guide block, 72-second guide block, 711-first guide groove, 721-second guide groove, 81-first tightening part, 82-third power driving device, 83-fourth power driving device, 811-first ejector rod, 812-second ejector rod.

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is given by way of specific examples.

As shown in fig. 1 to 7, the automatic circular knitting machine cam detection device of the invention comprises a parameter detection device 1 for detecting geometric parameters of a circular knitting machine cam groove and a conveying device 2 for feeding the parameter detection device 1; the device also comprises a resistance detection device for detecting the resistance of the triangular groove and a first clamping mechanism 3 for clamping the triangular groove on the conveying device 2 on the parameter detection device 1 and clamping the triangular groove on the parameter detection device 1 on the resistance detection device; the resistance detection device comprises a vertically arranged bearing mechanism 4 for placing a triangle, a resistance detection mechanism for performing resistance detection on the groove of the triangle, and a guide-in mechanism 6 for guiding the resistance detection mechanism to slide into the groove to be detected; the resistance detection mechanism comprises a first detection device 51 which is horizontally arranged and used for detecting the friction force of the triangular groove to be detected in the first direction, and a second detection device 52 which is horizontally arranged and used for detecting the friction force of the triangular groove to be detected in the second direction; the first detection device 51 comprises a first detection head 511 which extends into the groove to be detected and slides along a first direction; the first detecting head 511 comprises a first detecting claw 5111 contacting with a first side wall of the groove to be detected, a second detecting claw 5112 contacting with a second side wall of the groove to be detected, and a first elastic supporting member 5113 stretched between the first detecting claw 5111 and the second detecting claw 5112; the second detection device 52 includes a second detection head extending into the groove to be detected and sliding along a second direction; the second detection head comprises a third detection claw which is contacted with the first side wall of the groove to be detected, a fourth detection claw which is contacted with the second side wall of the groove to be detected, and a second elastic supporting component which is arranged between the third detection claw and the fourth detection claw in an opening manner; the bearing mechanism 4 comprises a first bearing wall 41 and a second bearing wall 42 which are vertically arranged; a first fixing groove 411 for accommodating a triangle is formed on the side wall of the first bearing wall 41 facing the first clamping mechanism 3; a second fixing groove 421 for accommodating a triangle is formed on the side wall of the second bearing wall 42 facing the first clamping mechanism 3; the introducing mechanism 6 includes a first introducing block 61 that guides the first detecting head 511 to slide in, and a second introducing block 62 that guides the second detecting head to slide in; the first guiding block 61 is arranged at one side of the first fixing groove 411, and a first guiding groove 611 for the first detection head 511 to slide into the groove to be detected is formed on the first guiding block 61; the first leading-in groove 611 has a first sliding-in end and a first sliding-out end, the first sliding-out end corresponds to the first opening of the triangle, the width from the first sliding-in end to the first sliding-out end is gradually reduced, and the width of the first sliding-out end is smaller than that of the first opening; the second guiding block 62 is arranged at one side of the second fixing groove 421, and a second guiding groove 621 for the second detection head to slide into the groove to be detected is formed on the second guiding block 62; the second leading-in groove 621 is provided with a second sliding-in end and a second sliding-out end, the second sliding-out end corresponds to the second opening of the triangle, the width from the second sliding-in end to the second sliding-out end is gradually reduced, and the width of the second sliding-out end is smaller than that of the second opening; the first clamping mechanism 3 is disposed between the parameter detecting device 1, the first bearing wall 41 and the second bearing wall 42.

Thus, the cam of the knitting circular knitting machine is conveyed to the clamping station corresponding to the first clamping mechanism 3 through the conveying device 2, the first clamping mechanism 3 grabs the cam, the cam is placed on the parameter detection device 1, the parameter detection device 1 detects the geometric parameters of the groove of the cam, after the detection is qualified, the cam on the parameter detection device 1 is clamped through the first clamping mechanism 3, the cam rotates to the first fixing groove 411 corresponding to the first bearing wall 41, the cam is placed in the first fixing groove 411, the resistance detection in the first direction is carried out on the groove of the cam through the first detection head 511 of the first detection device 51 of the resistance detection mechanism, after the detection is qualified, the cam on the first bearing wall 41 is clamped through the first clamping mechanism 3 and is placed in the second fixing groove 421 of the second bearing wall 42, the resistance detection in the second direction is carried out on the groove of the cam through the second detection head of the second detection device 52, after the triangle is detected to be qualified, the triangle is qualified in quality and can be put into use; the first guide-in groove 611 of the first guide-in block 61 is convenient for the first detection head 511 to accurately slide into the groove to be detected, so as to realize resistance detection of the triangular groove in the first direction, the second guide-in groove 621 of the second guide-in block 62 is convenient for the second detection head to accurately slide into the groove to be detected, so as to realize resistance detection of the triangular groove in the second direction, the width dimension of the first slide-out end of the first guide-in groove 611 is smaller than that of the first opening of the groove, so that the first detection head 511 can more easily enter the groove to be detected, and resistance detection is carried out on the first direction of the groove to be detected; the width dimension of the second sliding end of the second leading-in groove 621 is smaller than that of the second opening of the groove, so that the second detection head can more easily enter the groove to be detected, and the resistance detection is performed on the groove to be detected in the second direction; the damage to the first detection head 511 of the first detection device 51 and the second detection head of the second detection device 52 is avoided, and the service lives of the first detection device 51 and the second detection device 52 are prolonged; specifically, the distance between the two outer side surfaces of the first detection claw 5111 and the second detection claw 5112 is equal to the distance between the two side walls of the groove of the triangle (the required calibration width), the openings of the first detection claw 5111 and the second detection claw 5112 are arranged in parallel, the first detection claw 5111 and the second detection claw 5112 contact the side walls of the groove when extending into the groove of the triangle, the measurement accuracy is improved, and the overlarge measurement error caused by the fact that the friction force between the detection head 511 and the side wall of the groove is increased due to the overlarge distance between the first detection claw 5111 and the second detection claw 5112 is avoided; the detection error caused by the point contact between the first detection claw and the inner wall of the groove and the second detection claw is avoided; the invention has high automation degree, is convenient and quick to detect the geometric parameters of the triangular groove, can detect the geometric parameters of the triangular groove by common workers, and can detect the triangular groove back and forth, thereby further ensuring the quality of the triangle, ensuring that the triangle is not easy to damage in the using process and ensuring the working efficiency of the circular knitting machine.

Preferably, the device also comprises a lead-out mechanism 7 for guiding the resistance detection mechanism to slide out of the groove; the lead-out mechanism 7 includes a first lead-out block 71 for guiding the first detection head 511 to slide out, and a second lead-out block 72 for guiding the second detection head to slide out; the first lead-out block 71 is disposed at the other side of the first fixing groove 411, and the second lead-out block 72 is disposed at the other side of the second fixing groove 421; the first guide-out block 71 is provided with a first guide-out groove 711 for sliding out of the first detection head 511, the first guide-out groove 711 is provided with a third slide-out end, and the width dimension of the third slide-out end is larger than that of the second opening; the second guide block 72 is formed with a second guide slot 721 for the second detection head to slide out, the second guide slot 721 has a fourth slide-out end, and the width of the fourth slide-out end is greater than that of the first opening. Through the first lead-out groove 711 on the first lead-out block 71, the first detection head 511 makes a linear motion when sliding out of the groove, and the linear motion is flush with the positions of the first opening and the second opening of the groove, so that the detection is facilitated to be reset for the next detection; the second lead-out slot 721 on the second lead-out block 72 makes the second detection head do linear motion when sliding out of the groove, and is parallel and level with the first opening and the second opening of the groove, so that the second detection head can be reset for the next detection.

Preferably, one side of the first fixing groove 411 is provided with a first notch 412 for the first clamping mechanism 3 to clamp, and the other side of the first fixing groove 411 is provided with a second notch 413 for the first clamping mechanism 3 to clamp; a third notch 422 for clamping the first clamping mechanism 3 is disposed on one side of the second fixing groove 421, and a fourth notch 423 for clamping the first clamping mechanism 3 is disposed on the other side of the second fixing groove 421. The triangle on the first bearing wall 41 is caught by the first notch 412 and the second notch 413 on the second bearing wall 42, and the triangle on the second bearing wall 42 is caught by the third notch 422 and the fourth notch 423.

Preferably, the first detecting device 51 further comprises a first sensing device 512 for detecting the magnitude of the friction force, the first sensing device 512 comprises a first fixed seat 5121, a first detecting plate 5122, a second detecting plate 5123, a first compression spring 5124 and a first force sensor 5125; one end of the first detection plate 5122 is hinged to the first fixed seat 5121, and the other end is connected with the first detection head 511; the second detecting plate 5123 is fixedly connected with the first fixing seat 5121, the first compression spring 5124 is arranged between the first detecting plate 5122 and the second detecting plate 5123, and the first force sensor 5125 is arranged at one end of the first compression spring 5124; the second detecting device 52 further includes a second sensing device for detecting the magnitude of the friction force, and the second sensing device includes a second fixing seat, a third detecting plate, a fourth detecting plate, a second compression spring and a second force sensor; one end of the third detection plate is hinged to the second fixed seat, and the other end of the third detection plate is connected with the second detection head; the fourth detection plate is fixedly connected with the second fixed seat, the second compression spring is installed between the third detection plate and the fourth detection plate, and the second force sensor is installed at one end of the second compression spring. When the first detection head 511 detects in the first direction in the groove of the triangle, the first detection claw 5111 and the second detection claw 5112 of the first detection head 511 are subjected to backward friction force, so that the first detection plate 5122 is moved backward by the backward friction force, the first detection plate 5122 moves backward to drive the first compression spring 5124 to compress the second detection plate 5123 backward, the first force sensor 5125 receives the compression force from the first compression spring 5124, and the magnitude of the friction force in the groove of the triangle is judged through the first sensor; when the second detection head detects in the groove of the triangle along the second direction, the third detection claw and the fourth detection claw of the second detection head are subjected to backward friction force, so that the third detection plate moves backward under the backward friction force, the third detection plate moves backward to drive the second compression spring to compress the fourth detection plate backward, the second force sensor receives the force from the second compression spring, and the magnitude of the friction force in the groove of the triangle is judged through the second sensor.

Preferably, the first detection device 51 is further provided with a first resetting device 513 for resetting the first detection head 511; the first reset device 513 includes a first reset block 5131, a first support arm 5132 and a first connection block; a cavity for accommodating the first connecting block is formed in the first restoring block 5131, and an opening through which the first supporting arm 5132 slides is formed on one side surface of the first restoring block 5131; one end of the first support arm 5132 is connected to the first connection block, and the other end is connected to the first fixing seat 5121; the first connecting block is arranged in a cavity formed by the first reset block 5131 and is connected with the first reset block 5131 in a sliding manner; the second detection device 52 is also provided with a second resetting device for resetting the second detection head; the second resetting device comprises a second resetting block, a second supporting arm and a second connecting block; a cavity for accommodating the second connecting block is formed in the second reset block, and an opening for sliding the second supporting arm is formed in one side surface of the second reset block; one end of the second supporting arm is connected with the second connecting block, and the other end of the second supporting arm is connected with the second fixed seat; the second connecting block is arranged in a cavity formed by the second reset block and is in sliding connection with the second reset block. When the first detection head 511 enters the triangular groove, the first detection head 511 moves forwards, and meanwhile, the first detection head 511 moves up and down, so that the first detection head 511 moves up and down, the first connection block moves up and down in the first reset block 5131, smooth and unhindered detection of the first detection head 511 is ensured, and when the first detection head 511 slides out of the triangular groove, the first connection block is reset to the bottom end of the first reset block 5131 under the action of gravity, so that the first detection head 511 is reset to the initial position, and the purpose of resetting the first detection head 511 is realized; when the second detects in the head gets into triangular recess, detect the head forward motion at the second when, can make the second detect first up-and-down motion, the first up-and-down motion is detected to the second, make the second connecting block up-and-down motion in the second reset block, guarantee that the second detects the detection of head and smoothly not hinder, detect first roll-off triangular recess back when the second, the second connecting block receives the effect of gravity this moment, the second connecting block resets to second reset block bottommost, make the second detect the head and reset to initial position, realize that the second detects the purpose that the head resets.

Preferably, the first and second

elastic support members

5113 and 5113 are both elastic rubbers or springs. The first elastic supporting component 5113 enables the first detection claw 5111 and the second detection claw 5112 of the first detection head 511 to be always in contact with the side wall of the triangular groove, and the second elastic supporting component enables the third detection claw and the fourth detection claw of the second detection head to be always in contact with the side wall of the triangular groove, so that the detection is more accurate.

Preferably, the resistance force detecting mechanism further includes a first power driving means 514 for driving the first detecting means 51 into the first direction of the triangular groove, a first movement driving means for driving the first detecting means 51 to move longitudinally, a second power driving means 515 for driving the second detecting means 52 into the second direction of the triangular groove, and a second movement driving means for driving the second detecting means 52 to move laterally. When the first detection head 511 slides out of the triangular groove, the first mobile driving device drives the first detection head 511 to move for a distance in a direction away from the first bearing wall 41, and after the first power driving device 514 resets, the first mobile driving device resets to reset the first detection head 511 to the initial position, so that the next detection is facilitated; the second detection head is driven to move towards the second direction of the groove through the second power driving device 515, the triangular groove resistance detection purpose is achieved, after the second detection head slides out of the triangular groove, the second moving driving device drives the second detection head to move for a distance towards the direction far away from the second bearing wall 42, after the second power driving device 515 resets, the second moving driving device resets, the second detection head resets to the initial position, and the next detection is facilitated.

Preferably, the first power driving means 514 comprises a first air cylinder, the first movement driving means comprises a second air cylinder, the second power driving means 515 comprises a third air cylinder, and the second movement driving means comprises a fourth air cylinder; the output end of the first cylinder is connected with the first detection device 51, and the output end of the second cylinder is connected with the first cylinder; the output of the third cylinder is connected to the second sensing device 52 and the output of the fourth cylinder is connected to the third cylinder. The first detection head 511 is driven by the first air cylinder to carry out detection, and the second air cylinder drives the first air cylinder to enable the first detection head 511 to leave the first leading-out groove 711, so that the first detection head 511 is convenient to reset; the second detection head is driven by the third cylinder to detect, and the fourth cylinder drives the third cylinder to enable the second detection head to leave the second guide-out groove 721, so that the second detection head can reset conveniently.

Preferably, the first power driving device 514 and the first movement driving device are provided with a first support frame 516, and the second power driving device 515 and the second movement driving device are provided with a second support frame. The structure of the first detection device 51 and the second detection device 52 is more stable and reliable.

Preferably, the first clamping mechanism 3 comprises a first clamping device 31 for clamping the triangle, a first rotary driving device 32 for driving the first clamping device 31 to rotate, a first telescopic driving device 33 for driving the first clamping device 31 to expand and contract, a lifting driving device 35 for driving the first clamping device to lift and lower, and a second rotary driving device 34 for driving the first clamping device 31 to rotate. The first telescopic driving device 33 is driven to drive the first clamping device 31 to move forwards, after the first clamping device 31 grabs the triangle, the first telescopic driving device 33 moves backwards, the first clamping device 31 places the triangle on the parameter detection device 1, when the parameter detection device 1 detects the geometric parameters of the triangle, the triangle is clamped by the first clamping device 31, the second rotary driving device 34 rotates 90 degrees, the first rotary driving device 32 rotates 90 degrees, the triangle is turned upwards and corresponds to the first fixing groove 411 of the first bearing wall 41, the first telescopic driving device 33 is driven, the triangle is placed in the first fixing groove 411 by the first clamping device 31, the first detection device 51 detects the first direction of the groove of the triangle, after the detection of the first detection device 51 is finished, the first rotary driving device is driven to rotate 90 degrees in reverse direction, the first lifting driving device 35 is driven, the first clamping device is lifted to a position which is flush with the first gap and the second gap, the first telescopic driving device 33 is driven, the first clamping device 31 moves forwards, the triangle is clamped out through the first gap 412 and the second gap 413, the first telescopic driving device 33 is reset, the second rotary driving device 34 rotates 90 degrees at the moment, the triangle corresponds to the second fixing groove 421 of the second bearing wall 42, the first rotary driving device is driven to turn upwards by 90 degrees, the lifting driving device 35 is driven, the triangle is lowered to a position corresponding to the second fixing groove, the first telescopic driving device 33 is driven, the triangle is placed in the second fixing groove 421 by the first clamping device 31, and the second direction of the groove of the triangle is detected by the second detecting device 52; the purpose of detecting resistance to and fro of the triangular groove is realized.

Preferably, the first clamping device 31 includes a first clamping portion 311 for clamping the triangle, and a first opening/closing driving device 312 for driving the first clamping portion 311 to open/close. The first opening/closing driving device 312 is driven to open/close the first clamping portion 311, thereby grasping the triangle.

Preferably, the first clamping portion 311 includes a first clamping hand 3111 for clamping one side of the triangle, and a second clamping hand 3112 for clamping the other side of the triangle; the first opening/closing driving device 312 includes a first bidirectional opening/closing cylinder; the first output end of the first bidirectional opening and closing cylinder is connected with the first gripper 3111, and the second output end of the first bidirectional opening and closing cylinder is connected with the second gripper 3112. Through the first two-way cylinder that opens and shuts, the first tong 3111 of drive and the switching of second tong 3112 realize snatching the triangle.

Preferably, the first rotation driving device 32 includes a first rotation cylinder 321, and a first rotation base 322 installed at an output end of the first rotation cylinder 321; the second rotation driving means 34 includes a second rotation cylinder 341, and a second rotation base 342 installed at an output end of the second rotation cylinder 341; one side of the first opening and closing driving cylinder is connected with the first rotating base 322, the output end of the lifting driving device 35 is connected with the first telescopic driving device, and the lifting driving device 35 is arranged on the first rotating base 322. The cam is reversed by the first rotating cylinder 321, and corresponds to the first fixing groove 411 and the second fixing groove 421 by the second rotating cylinder 341.

Preferably, the device further comprises a first tightening device 8 for tightening and fixing the triangle on the first bearing wall 41, and a second tightening device 9 for fixing the triangle on the second bearing wall 42. The first jacking device 8 is used for jacking the triangle on the first bearing wall 41, so that the triangle is prevented from shaking or falling in the detection process, and the detection error is avoided; the triangle on the second bearing wall 42 is tightly jacked through the second jacking device 9, so that the triangle is prevented from shaking or falling in the detection process, and detection errors are avoided.

Preferably, the first tightening device 8 comprises a first tightening part 81, a third power driving device 82 for driving the first tightening part 81 to move up and down, and a fourth power driving device 83 for driving the first tightening part 81 to tighten the triangle; the second tightening device 9 comprises a second tightening part, a fifth power driving device for driving the second tightening part to move up and down, and a sixth power driving device for driving the second tightening part to tighten the triangle. The third power driving device 82 is driven to move downwards, so that the first tightening part 81 falls to a preset position, and the fourth power driving device 83 drives the first tightening part 81 to tighten the triangle; and the fifth power driving device is driven to move downwards, so that the second jacking component falls to a preset position, and the sixth power driving device drives the second jacking component to jack the triangle tightly.

Preferably, the first tightening part 81 comprises a first top bar 811 and a second top bar 812; the second jacking component comprises a third jacking rod and a fourth jacking rod; the first ejector rod 811 and the second ejector rod 812 are arranged at the output end of the third power driving device 82, and the output end of the fourth power driving device 83 is connected with the third power driving device 82; the third ejector rod and the fourth ejector rod are installed at the output end of the fifth power driving device, and the output end of the sixth power driving device is connected with the fifth power driving device. The purpose of tightly supporting the triangle on the first bearing wall 41 is achieved through the first ejector rod 811 and the second ejector rod 812; the purpose of tightly supporting the triangle on the second bearing wall 42 is achieved through the third ejector rod and the fourth ejector rod.

Preferably, one end of the tightening triangle of the first ejector pin 811, the second ejector pin 812, the third ejector pin and the fourth ejector pin is provided with a smooth spherical surface. The surface of the triangle is prevented from being scratched.

Preferably, the parameter detecting device 1 includes a lifting stage 11 for carrying a triangle, a ring-shaped photographing device 12 disposed above the lifting stage 11, a bottom photographing device 13 disposed below the lifting stage 11, and a measurement button for starting the parameter detecting device 1. The triangle is placed on the lifting object stage 11, the lifting object stage 11 is convenient to lift and focus the triangle placed on the lifting object stage 11, measurement errors are reduced, the annular light of the upper annular shooting device 12 and the bottom light of the bottom shooting device 13 are reduced, and when the triangle is placed on the lifting object stage 11, geometric parameters of the upper surface and the lower surface of the triangle can be measured only by pressing a measurement button; specifically, the geometric parameters include the groove width of the triangular groove, the contour curve of the triangular groove and the like; specifically, when the parameter detection device 1 detects an error in the geometric parameter detection of the groove of the triangle 7 (due to insufficient accuracy, the fine burr on the side wall cannot be detected), when the first detection claw 5111 and the second detection claw 5112 detect the resistance of the first side wall and the second side wall of the groove of the triangle 7, the force received by the force sensor suddenly changes, and a peak occurs, which indicates that the first detection claw 5111 and the second detection claw 5112 are obstructed by the fine burr, so that the force received by the force sensor suddenly increases, and at this time, the geometric parameter of the triangle 7 is unqualified and is not suitable for use.

Preferably, the conveying device 2 comprises a conveying belt 21 for conveying the triangle, a third fixing groove 22 arranged on the conveying belt 21 for placing the triangle, and a transmission driving device for driving the conveying belt 21 to transmit. The driving transmission driving device enables the conveying belt 21 to convey the triangle towards the direction of the parameter detection device 1, and the third fixing groove 22 enables the position of the triangle to be stable, so that grabbing is facilitated.

Preferably, the conveying device 2 is provided with a clamping station corresponding to the first clamping device 31. Through the clamping station, the first clamping device 31 is convenient to grab the triangle.

The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.

Claims

1. A circular knitting machine triangle automatic detection device comprises a parameter detection device for detecting geometric parameters of a circular knitting machine triangle groove and a conveying device for feeding the parameter detection device; the method is characterized in that: the device also comprises a resistance detection device for detecting the resistance of the triangular groove and a first clamping mechanism for clamping the triangular on the conveying device on the parameter detection device and clamping the triangular on the parameter detection device on the resistance detection device; the resistance detection device comprises a bearing mechanism which is vertically arranged and used for placing a triangle, a resistance detection mechanism which is used for carrying out resistance detection on the groove of the triangle, and a guide-in mechanism which guides the resistance detection mechanism to slide into the groove to be detected; the resistance detection mechanism comprises a first detection device which is horizontally arranged and used for detecting the friction force of the triangular groove to be detected in the first direction and a second detection device which is horizontally arranged and used for detecting the friction force of the triangular groove to be detected in the second direction; the first detection device comprises a first detection head which extends into the groove to be detected and slides along a first direction; the first detection head comprises a first detection claw which is contacted with the first side wall of the groove to be detected, a second detection claw which is contacted with the second side wall of the groove to be detected, and a first elastic supporting component which is arranged between the first detection claw and the second detection claw in an opening manner; the second detection device comprises a second detection head which extends into the groove to be detected and slides along a second direction; the second detection head comprises a third detection claw which is contacted with the first side wall of the groove to be detected, a fourth detection claw which is contacted with the second side wall of the groove to be detected, and a second elastic supporting component which is arranged between the third detection claw and the fourth detection claw in an opening manner; the bearing mechanism comprises a first bearing wall and a second bearing wall, wherein the first bearing wall is vertically arranged, and the second bearing wall is vertically arranged; a first fixing groove for accommodating a triangle is formed on the side wall of the first bearing wall facing the first clamping mechanism; a second fixing groove for accommodating a triangle is formed on the side wall of the second bearing wall facing the first clamping mechanism; the leading-in mechanism comprises a first leading-in block for guiding the first detection head to slide in and a second leading-in block for guiding the second detection head to slide in; the first leading-in block is arranged on one side of the first fixing groove, and a first leading-in groove for the first detection head to slide into the groove to be detected is formed in the first leading-in block; the first leading-in groove is provided with a first sliding-in end and a first sliding-out end, the first sliding-out end corresponds to the first opening of the triangle, the width from the first sliding-in end to the first sliding-out end is gradually reduced, and the width of the first sliding-out end is smaller than that of the first opening; the second guide-in block is arranged on one side of the second fixing groove, and a second guide-in groove for the second detection head to slide into the groove to be detected is formed in the second guide-in block; the second leading-in groove is provided with a second sliding-in end and a second sliding-out end, the second sliding-out end corresponds to the triangular second opening, the width from the second sliding-in end to the second sliding-out end is gradually reduced, and the width of the second sliding-out end is smaller than that of the second opening; the first clamping mechanism is arranged among the parameter detection device, the first bearing wall and the second bearing wall.

2. The automatic triangular detection device of the circular knitting machine according to claim 1, characterized in that: the device also comprises a guiding mechanism for guiding the resistance detection mechanism to slide out of the groove; the leading-out mechanism comprises a first leading-out block for guiding the first detection head to slide out and a second leading-out block for guiding the second detection head to slide out; the first leading-out block is arranged on the other side of the first fixing groove, and the second leading-out block is arranged on the other side of the second fixing groove; the first guide block is provided with a first guide groove for the first detection head to slide out, the first guide groove is provided with a third slide-out end, and the width dimension of the third slide-out end is larger than that of the second opening; the second guide-out block is provided with a second guide-out groove for the second detection head to slide out, the second guide-out groove is provided with a fourth slide-out end, and the width dimension of the fourth slide-out end is larger than that of the first opening.

3. The automatic triangular detection device of the circular knitting machine according to claim 2, characterized in that: a first notch for clamping by the first clamping mechanism is formed in one side of the first fixing groove, and a second notch for clamping by the first clamping mechanism is formed in the other side of the first fixing groove; one side of the second fixing groove is provided with a third notch for clamping by the first clamping mechanism, and the other side of the second fixing groove is provided with a fourth notch for clamping by the first clamping mechanism.

4. The automatic triangular detection device of the circular knitting machine according to claim 3, characterized in that: the first detection device also comprises a first sensing device for detecting the friction force, and the first sensing device comprises a first fixed seat, a first detection plate, a second detection plate, a first compression spring and a first force sensor; one end of the first detection plate is hinged to the first fixed seat, and the other end of the first detection plate is connected with the first detection head; the second detection plate is fixedly connected with the first fixed seat, the first compression spring is installed between the first detection plate and the second detection plate, and the first force sensor is installed at one end of the first compression spring; the second detection device also comprises a second sensing device for detecting the friction force, and the second sensing device comprises a second fixed seat, a third detection plate, a fourth detection plate, a second compression spring and a second force sensor; one end of the third detection plate is hinged to the second fixed seat, and the other end of the third detection plate is connected with the second detection head; the fourth detection plate is fixedly connected with the second fixed seat, the second compression spring is installed between the third detection plate and the fourth detection plate, and the second force sensor is installed at one end of the second compression spring.

5. The automatic triangular detection device of the circular knitting machine according to claim 4, characterized in that: the first detection device is also provided with a first resetting device for resetting the first detection head; the first resetting device comprises a first resetting block, a first supporting arm and a first connecting block; a cavity for accommodating the first connecting block is formed in the first reset block, and an opening for sliding the first supporting arm is formed in one side surface of the first reset block; one end of the first supporting arm is connected with the first connecting block, and the other end of the first supporting arm is connected with the first fixing seat; the first connecting block is arranged in a cavity formed by the first resetting block and is in sliding connection with the first resetting block; the second detection device is also provided with a second resetting device for resetting the second detection head; the second resetting device comprises a second resetting block, a second supporting arm and a second connecting block; a cavity for accommodating the second connecting block is formed in the second reset block, and an opening for sliding the second supporting arm is formed in one side surface of the second reset block; one end of the second supporting arm is connected with the second connecting block, and the other end of the second supporting arm is connected with the second fixed seat; the second connecting block is arranged in a cavity formed by the second reset block and is in sliding connection with the second reset block.

6. The automatic triangular detection device of the circular knitting machine according to claim 5, characterized in that: the first elastic supporting part and the second elastic supporting part are both elastic rubber or springs.

7. The automatic triangular detection device of the circular knitting machine according to claim 6, characterized in that: the resistance detection mechanism further comprises a first power driving device for driving the first detection device to enter the first direction of the triangular groove, a first moving driving device for driving the first detection device to move longitudinally, a second power driving device for driving the second detection device to enter the second direction of the triangular groove, and a second moving driving device for driving the second detection device to move transversely.

8. The automatic triangular detection device of the circular knitting machine according to claim 7, characterized in that: the first power driving device comprises a first air cylinder, the first mobile driving device comprises a second air cylinder, the second power driving device comprises a third air cylinder, and the second mobile driving device comprises a fourth air cylinder; the output end of the first air cylinder is connected with the first detection device, and the output end of the second air cylinder is connected with the first air cylinder; the output end of the third air cylinder is connected with the second detection device, and the output end of the fourth air cylinder is connected with the third air cylinder.

9. The automatic triangular detection device for the circular knitting machine according to claim 8, characterized in that: the first power driving device and the first mobile driving device are provided with a first support frame, and the second power driving device and the second mobile driving device are provided with a second support frame.

10. The automatic triangular detection device for the circular knitting machine according to claim 9, characterized in that: the first clamping mechanism comprises a first clamping device for clamping the triangle, a first rotary driving device for driving the first clamping device to rotate, a first telescopic driving device for driving the first clamping device to stretch, a lifting driving device for driving the first clamping device to lift, and a second rotary driving device for driving the first clamping device to rotate.