阅读说明：本技术 一种纱网生产用引针限位机构 (Needle guiding limiting mechanism for gauze production ) 是由 朱亚军 朱新亚 朱辰 于 2019-12-10 设计创作，主要内容包括：本发明公开了一种纱网生产用引针限位机构,涉及纱网生产技术领域。该纱网生产用引针限位机构,包括外壳和引针,所述外壳的顶部螺纹贯穿设置有调节螺杆,所述调节螺杆的底端延伸至外壳的内腔并通过转轴活动连接有调节块,所述调节块的正表面通过转轴活动连接有偏移板。该纱网生产用引针限位机构,在使用针头可偏移的限位结构的基础上增设检测电阻、磁铁环和线圈块等系列部件,采用偏移改变电阻,电阻控制磁场强度的方式对针头进行自动化的调整,避免了使用传感器的同时在针头偏移时可以及时的将针头复位,同时可以提供一个偏移空间避免针头刮花纱网或使得引针弯曲折断,保证产品质量的同时提高了工作效率,方便了使用者的使用。(The invention discloses a guide needle limiting mechanism for gauze production, and relates to the technical field of gauze production. This needle stop gear is used in gauze production, including shell and needle, the top screw thread of shell runs through and is provided with adjusting screw, adjusting screw's bottom extends to the inner chamber of shell and has the regulating block through pivot swing joint, the positive surface of regulating block has the skew board through pivot swing joint. This needle stop gear is used in gauze production, add detection resistance on the limit structure's that uses the syringe needle to squint basis, serial parts such as magnet ring and coil piece, adopt the skew to change resistance, the mode of resistance control magnetic field intensity carries out automatic adjustment to the syringe needle, can be timely when the syringe needle skew resets when having avoided using the sensor, can provide a skew space simultaneously and avoid the syringe needle to scrape colored gauze or make the crooked rupture of needle that draws, improve work efficiency when guaranteeing product quality, user's use has been made things convenient for.)

1. The utility model provides a gauze production is with leading needle stop gear, includes shell (1) and leading needle (2), its characterized in that: the top of the shell (1) is provided with an adjusting screw rod (3) in a threaded penetrating mode, the bottom end of the adjusting screw rod (3) extends to an inner cavity of the shell (1) and is movably connected with an adjusting block (4) through a rotating shaft, the front surface of the adjusting block (4) is movably connected with an offset plate (5) through a rotating shaft, the bottom of the offset plate (5) is fixedly connected with a limiting sleeve (7) through a stressed spring (6), the limiting sleeve (7) is fixedly connected with a guide needle (2) through a bolt, the bottom end of the guide needle (2) penetrates through the bottom of the shell (1) and extends to the outside of the shell (1), a magnet ring (8) is sleeved on the surface of the guide needle (2) and located in the inner cavity of the shell (1), and coil blocks (9) matched with the magnet ring (8) are fixedly connected to two sides of the inner cavity of the shell;

a detection resistor (12) is arranged in the inner cavity of the shell (1) and positioned at the back of the magnet ring (8), an empty groove (13) is formed in the back of the magnet ring (8), an electric brush (14) is arranged in the empty groove (13), and the electric brush (14) is in contact with the surface of the detection resistor (12);

the detection resistor (12) comprises an insulating block (121), resistor bodies (122) are arranged on two sides of the insulating block (121), and the electric brush (14) is in contact with the surfaces of the resistor bodies (122) when the guide pin (2) is in a vertical state;

in the circuit that the resistor body (122) relatively positioned on the left side is connected in series and the brush (14) is connected in series with the coil block (9) relatively positioned on the left side, in the circuit that the resistor body (122) relatively positioned on the right side is connected in series and the brush (14) is connected in series with the coil block (9) relatively positioned on the right side, the effective resistance values of the two resistor bodies (122) in the corresponding circuit change along with the movement of the brush (14), and the more the brush (14) deviates from the insulating block (121), the smaller the effective resistance value of the corresponding resistor body (122) in the circuit.

2. The needle guiding limiting mechanism for producing the gauze according to claim 1, which is characterized in that: the guide needle (2) is a needle body with a structure with a large upper part and a small lower part.

3. The needle guiding limiting mechanism for producing the gauze according to claim 1, which is characterized in that: the direction of the magnetic field generated after the coil block (9) is electrified is opposite to the direction of the magnetic field of the magnet ring (8).

4. The needle guiding limiting mechanism for producing the gauze according to claim 1, which is characterized in that: the bottom of the shell (1) is provided with a back plate (10), and the back plate (10) is provided with a graduated scale (11) matched with the guide needle (2).

5. The needle guiding limiting mechanism for producing the gauze according to claim 1, which is characterized in that: both sides of the magnet ring (8) are provided with limiting bolts (15), a limiting groove (16) is formed in the shell (1), and the limiting bolts (15) are arranged in the limiting groove (16).

6. The needle guiding limiting mechanism for producing the gauze according to claim 1, which is characterized in that: the back of the magnet ring (8) is embedded with balls (17), and the balls (17) are in contact with the inner wall of the shell (1).

7. The needle guiding limiting mechanism for producing the gauze according to claim 1, which is characterized in that: the inner cavity of the magnet ring (8) is provided with a rubber pad (18), and the rubber pads (18) are arranged on two sides of the guide needle (2).

Technical Field

The invention relates to the technical field of gauze production, in particular to a guide needle limiting mechanism for gauze production.

Background

In gauze production process, need use to draw and weaving to the yarn, the needle that draws need use stop gear to inject the position of needle in the use, in the automated production process, on being fixed in stop gear with the needle that draws, on being fixed in displacement mechanism with stop gear again, drive stop gear through displacement mechanism and remove to draw the operation.

In the prior art, a limiting mechanism only adopts simple combination of a simple bolt and a guide needle sleeve, the displacement mechanism is divided into a horizontal displacement mechanism and a vertical displacement mechanism, in the automatic production process, the situation that the horizontal displacement mechanism starts to move when the vertical displacement mechanism does not contract in place easily occurs, so that the guide needle starts to move horizontally when the gauze is not pulled out, thereby scraping the flower gauze and even bending and breaking the guide needle, if only adopting simple resetting parts such as a spring to provide reaction force and setting the limit of the guide needle to be capable of shifting, the shift of the needle head of the guide needle caused by the resetting of the resetting part which is not in place easily occurs, the product quality is reduced, and the part cost of the limiting mechanism is increased if adopting a series of sensors.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a guide pin limiting mechanism for gauze production, which solves the problems that in the prior art, the limiting mechanism only adopts a simple combination of a simple bolt and a guide pin sleeve, a displacement mechanism is divided into a horizontal displacement mechanism and a vertical displacement mechanism, and in the automatic production process, the situation that the horizontal displacement mechanism starts to move when the vertical displacement mechanism does not contract in place easily occurs, so that the guide pin starts to move horizontally when the gauze is not pulled out, the gauze is scratched, even the guide pin is bent and broken, if a simple resetting component such as a spring is adopted to provide a counterforce and the limiting of the guide pin is set to be capable of offsetting, the needle head of the guide pin is easy to offset due to the fact that the resetting component is not in place, and if a series of sensors are adopted, the component cost of the limiting mechanism is increased.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a gauze production is with leading needle stop gear, includes shell and leading needle, the top screw thread of shell runs through and is provided with adjusting screw, adjusting screw's bottom extends to the inner chamber of shell and has the regulating block through pivot swing joint, the positive surface of regulating block has the skew board through pivot swing joint, the bottom of skew board is through atress spring fixedly connected with stop collar, through bolt and leading needle fixed connection on the stop collar, the bottom of leading needle runs through the bottom of shell and extends to the outside of shell, the surface of leading needle just is located the inner chamber cover of shell and is equipped with the magnet ring, the equal fixedly connected with in both sides of shell inner chamber sets up with the cooperation of magnet ring coil piece.

The inner cavity of the shell and the back of the magnet ring are provided with detection resistors, the back of the magnet ring is provided with an empty groove, an electric brush is arranged in the empty groove, and the electric brush is in surface contact with the detection resistors.

The detection resistor comprises an insulating block, resistor bodies are arranged on two sides of the insulating block, and the electric brush is in surface contact with the resistor bodies when the guide pins are in a vertical state.

The resistor bodies on the opposite left side are connected in series and the electric brushes are connected in series in the circuit of the coil block on the opposite left side, the resistor bodies on the opposite right side are connected in series and the electric brushes are connected in series in the circuit of the coil block on the opposite right side, the effective resistance values of the two resistor bodies in the corresponding circuit change along with the movement of the electric brushes, and the more the electric brushes deviate from the insulating block, the smaller the effective resistance values of the corresponding resistor bodies in the circuit are.

Preferably, the guide needle is a needle body with a structure with a large upper part and a small lower part.

Preferably, the direction of the magnetic field generated by the coil block after being electrified is opposite to the direction of the magnetic field of the magnet ring.

Preferably, the bottom of the shell is provided with a back plate, and the back plate is provided with a graduated scale matched with the guide pin.

Preferably, both sides of the magnet ring are provided with limiting bolts, the shell is provided with limiting grooves, and the limiting bolts are arranged in the limiting grooves.

Preferably, the back of the magnet ring is embedded with balls, and the balls are in contact with the inner wall of the shell.

Preferably, the inner cavity of the magnet ring is provided with a rubber pad, and the rubber pad is arranged on two sides of the guide pin.

(III) advantageous effects

The invention provides a guide needle limiting mechanism for gauze production. The method has the following beneficial effects: this needle stop gear is used in gauze production, add detection resistance on the limit structure's that uses the syringe needle to squint basis, serial parts such as magnet ring and coil piece, adopt the skew to change resistance, the mode of resistance control magnetic field intensity carries out automatic adjustment to the syringe needle, can be timely when the syringe needle skew resets when having avoided using the sensor, can provide a skew space simultaneously and avoid the syringe needle to scrape colored gauze or make the crooked rupture of needle that draws, improve work efficiency when guaranteeing product quality, user's use has been made things convenient for.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of A-A of the present invention;

FIG. 3 is a schematic view of a magnet ring according to the present invention;

FIG. 4 is a schematic structural diagram of the detection resistor of the present invention.

In the figure: 1. a housing; 2. leading a needle; 3. adjusting the screw rod; 4. an adjusting block; 5. a bias plate; 6. a stressed spring; 7. a limiting sleeve; 8. a magnet ring; 9. a coil block; 10. a back plate; 11. a graduated scale; 12. detecting a resistance; 121. an insulating block; 122. a resistor body; 13. an empty groove; 14. an electric brush; 15. a limit bolt; 16. a limiting groove; 17. a ball bearing; 18. and (7) a rubber pad.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1-4, the present invention provides a technical solution: a leading needle limiting mechanism for gauze production comprises a shell 1 and a leading needle 2, wherein a back plate 10 is arranged at the bottom of the shell 1, a graduated scale 11 matched with the leading needle 2 is arranged on the back plate 10, the leading needle 2 is a needle body with a big-end-up structure, an adjusting screw rod 3 is arranged at the top of the shell 1 in a threaded penetrating manner, the bottom end of the adjusting screw rod 3 extends to the inner cavity of the shell 1 and is movably connected with an adjusting block 4 through a rotating shaft, the front surface of the adjusting block 4 is movably connected with a deviation plate 5 through the rotating shaft, the bottom of the deviation plate 5 is fixedly connected with a limiting sleeve 7 through a stress spring 6, the limiting sleeve 7 is fixedly connected with the leading needle 2 through a bolt, the bottom end of the leading needle 2 penetrates through the bottom of the shell 1 and extends to the outside of the shell 1, a magnet ring 8 is sleeved on the surface of the leading needle 2 and positioned in the inner cavity of the shell 1, a rubber pad, the back of magnet ring 8 is inlayed and is had ball 17, and the inner wall contact of ball 17 and shell 1, and the both sides of magnet ring 8 all are provided with spacing bolt 15, have seted up spacing groove 16 on the shell 1, and spacing bolt 15 sets up in spacing groove 16, the equal fixedly connected with in both sides of the inner chamber of shell 1 and the coil piece 9 that the magnet ring 8 cooperation set up, the magnetic field direction that produces after the circular telegram of coil piece 9 is opposite with the magnetic field direction of magnet ring 8.

The detection resistor 12 is arranged in the inner cavity of the shell 1 and on the back of the magnet ring 8, the empty groove 13 is formed in the back of the magnet ring 8, the electric brush 14 is arranged in the empty groove 13, and the electric brush 14 is in contact with the surface of the detection resistor 12.

The detection resistor 12 includes an insulating block 121, a resistor body 122 is disposed on each of two sides of the insulating block 121, and the brush 14 contacts with a surface of the resistor body 122 when the lead pin 2 is in a vertical state.

The resistor bodies 122 on the left side and the brushes 14 are connected in series in the circuit of the coil block 9 on the left side, the resistor bodies 122 on the right side and the brushes 14 are connected in series in the circuit of the coil block 9 on the right side, the effective resistance values of the two resistor bodies 122 in the corresponding circuit change along with the movement of the brushes 14, and the more the brushes 14 deviate from the insulating block 121, the smaller the effective resistance value of the corresponding resistor body 122 in the circuit.

The during operation, be fixed in shell 1 on the displacement mechanism of peripheral hardware, drive displacement 1 through displacement mechanism and remove, thereby drive and draw needle 2 to remove, produce the operation with this, thereby the user can be through rotating adjusting screw 3 for shell 1 and changing the effective length of atress spring 6, the effort threshold that receives when 2 automatic contractions of this regulation draw needle (if lower needle in-process, the reaction force that draws needle 2 received is greater than the threshold, then draw needle 2 can upwards move for magnet ring 8, thereby break away from magnet ring 8, reset under the effect of atress spring 6 after the atress, with this to drawing needle 2 and protecting).

When the needle head of the needle 2 scrapes the gauze, the needle head of the needle 2 can shift, so that the magnet ring 8 moves under the action of the limiting bolt 15 and the limiting groove 16, so that the electric brush 14 moves relative to the detection resistor 12, and the corresponding resistor body 122 is switched on, so that the corresponding coil block 9 is switched on, and repulsive force is generated under the action of the magnetic field of the magnet ring 8, so that the needle head is vertical in time after the shifting acting force disappears (the larger the shift degree is, the smaller the effective resistance value of the resistor body 122 is, so that the larger the voltage of the coil block 9 is, the larger the magnetic field intensity of the coil block 9 is, and the larger the magnetic field repulsive force between the coil block 9 and the magnet ring 8 is).

To sum up, this leading needle stop gear for gauze production adds detecting resistor 12, series parts such as magnet ring 8 and coil piece 9 on the limit structure's that the use syringe needle can squint basis, adopt the skew to change resistance, the mode of resistance control magnetic field intensity carries out automatic adjustment to the syringe needle, can be timely when having avoided using the sensor reset the syringe needle when the syringe needle skew, can provide an skew space simultaneously and avoid the syringe needle to scrape colored gauze or make the crooked rupture of leading needle, improved work efficiency when guaranteeing product quality, made things convenient for user's use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.