Flat knitting machine needle selector with protection function

Abstract

The utility model relates to a needle selector, in particular to a flat knitting machine needle selector with a protection function. The utility model provides an improved flat knitting machine needle selector with a protection function. A flat knitting machine needle selector with a protection function comprises a needle selector body, a radiator, a heat conducting piece, a dustproof structure and the like, the radiator is arranged in the needle selector body, and the heat conducting piece is connected between the inner side of the needle selector body and the radiator. A dustproof structure capable of protecting the interior of the needle selector blade so as to block impurities is arranged outside the needle selector body. According to the needle selector, through the matching effect of the radiator, the radiating fins, the fan and the heat-conducting fins which are arranged in the needle selector body and are compact in structure, and through the auxiliary matching of the temperature sensor and the controller, the temperature in the needle selector body can be controlled in real time, so that the needle selector can normally and continuously work, and the working efficiency is improved. And safety accidents are avoided.

Description

Technical Field

[0001] The utility model relates to a needle selector, in particular to a needle selector for a flat knitting machine with a protective function. Background Art

[0002] A needle selector is a device used to select and control the working state of knitting needles in knitting machinery. On a computer flat knitting machine, the needle selector can accurately control each knitting needle to perform the action of putting on or putting down the yarn according to the preset knitting program, thereby forming a variety of knitting structures and patterns.

[0003] A Chinese patent with authorization announcement number CN220394048U discloses a rapid heat dissipation structure for a needle selector, including a needle selector main body, a heat dissipation device installed on the needle selector main body, the heat dissipation device consisting of a cooling water inlet and outlet pipe, a cooling pipe and a heat sink, there are two cooling water inlet and outlet pipes and they are symmetrically arranged on the left and right, there are several cooling pipes and they are evenly installed at the inner ends of the two cooling water inlet and outlet pipes, there are several heat sinks and they are symmetrically installed on the outer walls of several cooling pipes, although the heat dissipation structure can achieve the purpose of dissipating heat for the needle selector by water cooling, but because it is arranged on the periphery of the needle selector, the structural layout is not compact enough, and it is difficult to monitor the changes in the internal working temperature of the needle selector in real time, which is not conducive to providing preventive measures during continuous operation, and there are certain safety hazards. In addition, no protective structure is provided at the blade of the needle selector, which makes it easy for external impurities to enter the interior of the needle selector, thereby affecting the normal operation of the needle selector.

[0004] In view of this, an improved needle selector for a knitting machine with a protective function is proposed to solve the above technical problems. Utility Model Content

[0005] In order to overcome the shortcomings of the existing heat dissipation structure of the needle selector, which makes it difficult to monitor the internal working temperature of the needle selector in real time and has no protective structure, the technical problem to be solved is to provide an improved needle selector for knitting machines with protective function.

[0006] The technical solution is: a needle selector for a knitting machine with a protective function, comprising a needle selector body, an inspection cover, a magnetic coil, a needle selector blade, a radiator, cooling fins, a fan and a ventilation duct, a radiator is arranged inside the needle selector body, a cooling fin is connected to one side of the radiator, a fan is installed on the outside of the cooling fin, a ventilation duct is connected through the fan and the side wall of the needle selector body, a dustproof net, a heat conducting sheet, a temperature sensor, a controller and a dustproof structure, a dustproof net is installed in the ventilation duct, and the needle selector A heat dissipation hole is provided on the side of the needle selector body corresponding to the ventilation pipe, and a dustproof net is also embedded in the heat dissipation hole, a heat conductive sheet is connected between the inner side of the needle selector body and the radiator, a temperature sensor is provided on the side of the needle selector body close to the needle selector blade, a controller is provided on the side of the needle selector body away from the needle selector blade, and the temperature sensor is electrically connected to the controller, and a dustproof structure is provided on the outside of the needle selector body to protect the inside of the needle selector blade so as to block impurities.

[0007] In addition, it is particularly preferred that the dustproof structure includes a protective cover, a dustproof pad and a sealing sleeve, a protective cover is provided on the side of the outside of the needle selector body close to the needle selector blade, a dustproof pad is embedded inside the protective cover, a spacer sleeve on the dustproof pad is provided with sealing sleeves corresponding to the number of the needle selector blades, and the needle selector blades all pass through the protective cover, the dustproof pad and the sealing sleeve.

[0008] In addition, it is particularly preferred that the heat conductive sheet is distributed and wrapped around the magnetic coil.

[0009] In addition, it is particularly preferred that a heat dissipation material is attached to the surface of the heat conductive sheet.

[0010] Furthermore, it is particularly preferred that the heat dissipation material is a heat dissipation graphite film.

[0011] In addition, it is particularly preferred that the dustproof net is made of sponge material.

[0012] The utility model has the following advantages: through the coordinated action of the compactly structured radiator, cooling fins, fan and heat conducting sheet arranged inside the needle selector body, and through the auxiliary cooperation of the temperature sensor and the controller, it is beneficial to control the temperature inside the needle selector body in real time, so that the needle selector can operate normally and continuously, and avoid safety accidents; and the sealing structure formed by the combination of the protective cover, the dustproof pad and the sealing sleeve can effectively block impurities on the periphery of the needle selector blade, and prevent the impurities from entering the needle selector body and affecting the normal operation of the needle selector. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1It is a three-dimensional structural schematic diagram of the utility model.

[0014] Figure 2 This is a diagram of the removal status of the inspection cover of the utility model.

[0015] Figure 3 It is a cross-sectional view of the utility model.

[0016] Figure 4 The utility model is a schematic diagram of the connection structure of the radiator, cooling fins, fan and heat conducting sheet.

[0017] Figure 5 This is a structural separation diagram of the protective cover, dustproof pad, sealing sleeve and needle selector blade of the utility model.

[0018] Figure numbers: 1_needle selector body, 2_inspection cover, 3_needle selector blade, 4_heat sink, 5_heat sink fins, 6_fan, 7_ventilation duct, 70_dustproof net, 8_heat conductive sheet, 9_temperature sensor, 10_controller, 11_protective cover, 12_dustproof pad, 13_sealing sleeve, a_magnetic coil. DETAILED DESCRIPTION

[0019] Reference to an embodiment herein means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0020] Embodiment: The utility model provides a knitting machine needle selector with a protective function, please refer to Figure 1-Figure 5As shown, it includes a needle selector body 1, an inspection cover 2, a needle selector blade 3, a radiator 4, cooling fins 5, a fan 6, a ventilation pipe 7, a dustproof net 70, a heat conductive sheet 8, a temperature sensor 9, a controller 10 and a dustproof structure. The needle selector body 1 is respectively provided with an inspection cover 2, a needle selector blade 3 and a magnetic coil a. A radiator 4 is arranged inside the needle selector body 1, and cooling fins 5 are connected to one side of the radiator 4. A fan 6 is installed on the outer side of the cooling fins 5. The radiator 4 adopts heat pipe cooling technology, which is not only compact in structure but also has good heat dissipation effect. The cooperation of the fan 6 integrated with the heat dissipation fins 5 is conducive to further improving the heat dissipation efficiency inside the needle selector body 1. A ventilation pipe 7 is through-connected between the fan 6 and the side wall of the needle selector body 1 for discharging the heat inside the needle selector body 1. A dustproof net 70 is installed in the ventilation pipe 7, and the needle selector body 1 and the ventilation pipe 7 are connected to the side wall of the needle selector body 1. A heat dissipation hole is opened on the side corresponding to the air duct 7, and a dustproof net 70 is also embedded in the heat dissipation hole. The dustproof net 70 can prevent dust from entering the interior of the needle selector body 1 without affecting the normal circulation of air. A heat conductive sheet 8 is connected between the inner side of the needle selector body 1 and the radiator 4 for conducting heat, which is beneficial to improving the heat dissipation efficiency. A temperature sensor 9 is arranged on the side of the needle selector body 1 close to the needle selector blade 3, and a controller 10 is arranged on the side of the needle selector body 1 away from the needle selector blade 3. The temperature sensor 9 is electrically connected to the controller 10, which is beneficial to real-time monitoring of the working temperature inside the needle selector body 1. When the temperature exceeds the preset value, the alarm inside the controller 10 can automatically sound an alarm, which is convenient for the staff to effectively take preventive measures to avoid safety accidents. A dustproof structure is arranged on the outside of the needle selector body 1.

[0021] For further information, see Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the dustproof structure includes a protective cover 11, a dustproof pad 12 and a sealing sleeve 13. A protective cover 11 is arranged on the side of the needle selector body 1 near the needle selector blade 3. The protective cover 11 is made of wear-resistant metal material. A dustproof pad 12 is embedded in the protective cover 11 for sealing and dustproofing. The spacer sleeve on the dustproof pad 12 is provided with sealing sleeves 13 corresponding to the number of the needle selector blades 3, and the needle selector blades 3 all pass through the protective cover 11, the dustproof pad 12 and the sealing sleeve 13. The sealing sleeve 13 can further improve the performance of isolating impurities without affecting the normal operation of the needle selector blade 3.

[0022] For further information, see Figure 2-Figure 4 As shown, the heat conducting sheet 8 is distributed and wrapped around the magnetic coil a, which is beneficial to conduct the heat inside the magnetic coil a and the needle selector body 1 to the heat sink 4.

[0023] For further information, see Figure 2-Figure 4 As shown, the surface of the heat conducting sheet 8 is affixed with heat dissipation material, which is beneficial to improving the efficiency of heat dissipation.

[0024] For further information, see Figure 2-Figure 4 As shown, the heat dissipation material is a heat dissipation graphite film, which is beneficial to accelerate the heat transfer and thus achieve the purpose of efficient heat dissipation.

[0025] Also, see Figure 1-Figure 3 As shown, the dustproof net 70 is made of sponge material. The sponge material is used to absorb dust, which can effectively prevent impurities from entering the fan 6 and the needle selector body 1.

[0026] By wrapping the heat conductive sheet 8 around the periphery of the magnetic coil a, the heat emitted from the frequently operated needle selector blade 3 and the magnetic coil a can be transferred to the radiator 4, and with the assistance of the heat dissipation fins 5 and the fan 6, the heat inside the needle selector body 1 can be quickly dissipated to the outside, which is beneficial for the needle selector body 1 to operate continuously, and the temperature sensor 9 can feed back the temperature inside the needle selector body 1 to the controller 10 in real time, which is beneficial for further strengthening the temperature control inside the needle selector body 1 and avoiding safety accidents caused by high temperature generated by continuous operation; in addition, the sealing structure formed by the combination of the protective cover 11, the dustproof pad 12 and the sealing sleeve 13 is beneficial for effectively blocking impurities such as dust and fibers on the periphery of the needle selector blade 3, avoiding impurities from entering the internal area of ​​the needle selector body 1 and affecting the normal operation of the needle selector.

[0027] The above embodiments are provided for persons familiar with the art to implement or use the present invention. Personnel familiar with the art can make various modifications or changes to the above embodiments without departing from the utility model concept of the present invention. Therefore, the protection scope of the present invention is not limited to the above embodiments, but should be the maximum scope of the innovative features mentioned in the claims.

Claims

1. A needle selector for a knitting machine with a protective function, comprising a needle selector body (1), an inspection cover plate (2), a magnetic coil (a), a needle selector blade (3), a radiator (4), a cooling fin (5), a fan (6) and a ventilation pipe (7), wherein the radiator (4) is arranged inside the needle selector body (1), a cooling fin (5) is connected to one side of the radiator (4), a fan (6) is installed outside the cooling fin (5), and a ventilation pipe (7) is connected between the fan (6) and the side wall of the needle selector body (1) in a through-type manner. It is characterized in that It also includes a dustproof net (70), a heat conductive sheet (8), a temperature sensor (9), a controller (10) and a dustproof structure. The dustproof net (70) is installed in the ventilation pipe (7), and a heat dissipation hole is opened on the side of the needle selector body (1) corresponding to the ventilation pipe (7), and a dustproof net (70) is also embedded in the heat dissipation hole. A heat conductive sheet (8) is connected between the inner side of the needle selector body (1) and the radiator (4). A temperature sensor (9) is arranged on the side of the needle selector body (1) close to the needle selector blade (3). A controller (10) is arranged on the side of the needle selector body (1) away from the needle selector blade (3), and the temperature sensor (9) is electrically connected to the controller (10). The outside of the needle selector body (1) is provided with a dustproof structure capable of protecting the inside of the needle selector blade (3) so as to block impurities.

2. A needle selector for a knitting machine with a protective function according to claim 1, It is characterized in that The dustproof structure comprises a protective cover (11), a dustproof pad (12) and a sealing sleeve (13); a protective cover (11) is arranged on the outside of the needle selector body (1) on a side close to the needle selector blade (3); a dustproof pad (12) is embedded inside the protective cover (11); a spacer sleeve on the dustproof pad (12) is provided with sealing sleeves (13) corresponding to the number of the needle selector blades (3); and the needle selector blades (3) all pass through the protective cover (11), the dustproof pad (12) and the sealing sleeve (13).

3. A needle selector for a knitting machine with a protective function according to claim 1, It is characterized in that The heat conducting sheet (8) is distributed and wrapped around the magnetic coil (a).

4. A needle selector for a flat knitting machine with a protective function according to claim 3, It is characterized in that The surface of the heat conducting sheet (8) is affixed with heat dissipation material.

5. A needle selector for a knitting machine with a protective function according to claim 4, It is characterized in that The heat dissipation material is a heat dissipation graphite film.

6. A needle selector for a flat knitting machine with a protective function according to claim 1, It is characterized in that The dustproof net (70) is made of sponge material.

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