Screw air compressor with cooling mechanism for cloth production

Abstract

The utility model relates to the technical field of screw air compressors, and discloses a screw air compressor with a cooling mechanism for cloth production, which comprises a bottom plate and a screw air compressor main body, the top of the bottom plate is fixedly provided with a shell, the front side of the shell is provided with a box door, the bottom of the bottom plate is fixedly provided with supporting legs, and the bottom of the bottom plate is provided with a cooling mechanism. An air outlet filter screen is arranged in the shell, an air inlet filter screen is arranged in the shell, a cooling mechanism is arranged in the shell, and a damping mechanism is arranged in the shell. A motor is started to enable a rotating disc to rotate, a connecting plate is driven to move up and down under the cooperation of a connecting rod, a screw air compressor body is cooled, a first rotating column rotates along with rotation of a first belt wheel under the cooperation of a first transmission belt, and a second rotating column rotates along with rotation of a second belt wheel under the cooperation of a first bevel gear. And a second bevel gear and a second rotating column are rotated, and under the cooperation of a cleaning brush, the air outlet filter screen and the air inlet filter screen can be cleaned conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of screw air compressors, in particular to a screw air compressor with a cooling mechanism for cloth production. Background Art

[0002] In the process of cloth production, many textile machines need to be equipped with screw air compressors. Screw air compressors are a type of air compressor, with single screw and twin screw types. The invention of twin screw air compressors was more than ten years later than that of single screw air compressors. The design of twin screw air compressors is more reasonable and advanced.

[0003] According to the description of a screw air compressor with good heat dissipation effect disclosed in the patent website (authorization announcement number: CN214403975U), "The utility model discloses a screw air compressor with good heat dissipation effect, including a bottom plate, the top of the bottom plate is fixedly connected to a shell, both sides of the top of the inner cavity of the shell are movably connected to telescopic rods through movable blocks, the bottom of the telescopic rod is movably connected to a main body through movable blocks, both sides of the bottom of the main body are fixedly connected to fixed columns, and the right side of the bottom of the shell is fixedly connected to a first motor. The utility model cooperates with the bottom plate, the shell, the telescopic rod, the main body, the fixed column, the first motor, the turntable, the movable rod, the moving plate, the slide groove, the slider, the first spring, the limit rod, the vertical plate, the second motor, the fan blade, the cross bar and the dustproof ventilation plate, so that the screw air compressor can efficiently dissipate the heat generated by its own working components during operation, thereby achieving the purpose of good heat dissipation effect of the screw air compressor and greatly improving the working efficiency and practicality of the screw air compressor."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the utility model can provide certain shock-absorbing protection for the main body in cooperation with the telescopic rod by setting a fixed block and a second spring. However, in actual use, when the main body needs to be maintained or disassembled, the main body is prone to shaking up and down, which is not conducive to maintenance and disassembly work. Although the dust-proof ventilation plate can filter dust, a large amount of dust is easily attached to the surface of the ventilation dust-proof plate after working for a long time. In order not to affect the subsequent ventilation work, the staff needs to manually clean the dust-proof ventilation plate, which is inconvenient. Therefore, it is necessary to improve a screw air compressor with a cooling mechanism for cloth production to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a screw air compressor with a cooling mechanism for cloth production to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screw air compressor with a cooling mechanism for cloth production, comprising a base plate and a screw air compressor body, a shell is fixedly installed on the top of the base plate, a box door is provided on the front of the shell, support legs are fixedly installed on the bottom of the base plate, an air outlet filter is provided inside the shell, an air inlet filter is provided inside the shell, a cooling mechanism is provided inside the shell, and a shock absorbing mechanism is provided inside the shell.

[0008] The cooling mechanism comprises a blowing component and a cleaning component. The blowing component is arranged inside the shell, and the cleaning component is arranged outside the shell.

[0009] Preferably, the blowing assembly includes a connecting frame, the connecting frame is fixedly mounted on the inner wall of the shell, a limiting rod is fixedly mounted on the inner wall of the connecting frame, a slider is slidably mounted on the outside of the limiting rod, the slider is slidably mounted with the connecting frame, a connecting plate is fixedly mounted on the inner side of the slider, a blowing device is provided on the left side of the connecting plate, a supporting frame is fixedly mounted on the back of the shell, a motor is fixedly mounted on the back of the supporting frame, a first pulley is fixedly mounted on the output end of the motor, the first pulley is rotatably mounted with the shell, a rotating shaft is fixedly mounted on the front side of the first pulley, the rotating shaft is rotatably mounted with the shell, a turntable is fixedly mounted on the end of the rotating shaft away from the first pulley, a supporting plate is fixedly mounted on the bottom inner wall of the connecting frame, the rotating shaft is rotatably mounted with the supporting plate, the turntable is rotatably mounted with the support plate, a connecting rod is rotatably mounted on the front side of the turntable, a first extension plate is fixedly mounted on the left side of the connecting plate, and the first extension plate is rotatably mounted with the connecting rod, so as to facilitate the cooling of the screw air compressor body.

[0010] Preferably, a through hole is opened inside the connection frame at a position corresponding to the rotating shaft, and the rotating shaft is rotatably installed in the through hole to facilitate the rotation of the rotating shaft.

[0011] Preferably, the cleaning assembly includes a vertical plate, which is fixedly mounted on the top of the shell, and a second pulley is rotatably mounted on the back of the vertical plate, and a first transmission belt is installed on the external transmission of the second pulley, the first transmission belt is transmission-mounted with the first pulley, a first rotating column is fixedly mounted on the front of the second pulley, the first rotating column is rotatably mounted with the vertical plate, a connecting shell is fixedly mounted on the top of the shell, a first bevel gear is fixedly mounted on one end of the first rotating column away from the second pulley, the first bevel gear is rotatably mounted with the connecting shell, a second bevel gear is meshed with the outside of the first bevel gear, a second rotating column is fixedly mounted on the inside of the second bevel gear, and rotating blocks are fixedly mounted on the left and right ends of the second rotating column respectively, and a cleaning brush is provided on the inner side of the rotating block to facilitate cleaning of the outlet filter and the inlet filter.

[0012] Preferably, a through hole is opened inside the connecting shell at a position corresponding to the second rotating column, and the second rotating column is rotatably installed in the through hole to facilitate the smooth rotation of the second rotating column.

[0013] Preferably, the shock absorbing mechanism comprises a column, which is fixedly mounted on the bottom inner wall of the shell, a mounting plate is slidably mounted on the outside of the column, the screw air compressor body is fixedly mounted on the top of the mounting plate, a spring is fixedly mounted between the bottom of the mounting plate and the shell, a damper is fixedly mounted on the bottom inner wall of the shell, the damper is fixedly mounted to the mounting plate, a third pulley is rotatably mounted inside the bottom plate, a second transmission belt is installed for the external transmission of the third pulley, a second extension plate is fixedly mounted on the front of the bottom plate, a fourth pulley is rotatably mounted on the top of the second extension plate, the fourth pulley is transmission-mounted with the second transmission belt, a handwheel is fixedly mounted on the top of the fourth pulley, a threaded barrel is fixedly mounted on the top of the third pulley, the threaded barrel is rotatably mounted on the bottom plate, a threaded column is mounted on the internal thread of the threaded barrel, a push plate is fixedly mounted on the top of the threaded column, a telescopic rod is fixedly mounted inside the bottom plate, the telescopic rod is fixedly mounted on the shell, and the telescopic rod is fixedly mounted on the push plate, so as to facilitate the shock absorbing work of the screw air compressor body.

[0014] Preferably, a through hole is opened inside the shell at a position corresponding to the threaded barrel, and the threaded barrel is rotatably installed in the through hole to facilitate the rotation of the threaded barrel.

[0015] Compared with the prior art, the utility model provides a screw air compressor with a cooling mechanism for cloth production, which has the following beneficial effects:

[0016] 1. The screw air compressor with a cooling mechanism for fabric production has a cooling mechanism. During use, the shell is ventilated by the provided blowing device, and the first pulley and the rotating shaft are rotated by starting the motor, so that the turntable is rotated. With the cooperation of the connecting rod, the connecting plate is driven to move up and down, so as to cool down the main body of the screw air compressor. With the rotation of the first pulley, the second pulley and the first rotating column are rotated with the cooperation of the first transmission belt, and the second bevel gear and the second rotating column are rotated with the cooperation of the first bevel gear. With the cooperation of the rotating block and the cleaning brush, the air outlet filter and the air inlet filter are cleaned, so that the staff does not need to manually clean the air outlet filter and the air inlet filter, thereby increasing the work efficiency.

[0017] 2. The screw air compressor with a cooling mechanism for fabric production has a shock absorbing mechanism. During use, the provided columns, springs and damping facilitate the shock absorbing work of the screw air compressor body. When the screw air compressor body needs to be maintained or disassembled, the fourth pulley is rotated by rotating the hand wheel, and the third pulley and the threaded barrel are rotated with the cooperation of the second transmission belt. With the cooperation of the threaded column and the telescopic rod, the push plate is moved upward until the push plate contacts the mounting plate, thereby limiting the mounting plate and preventing the mounting plate from shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the housing of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the blowing assembly of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the cleaning component of the utility model;

[0023] Figure 5 This is a schematic diagram of the spring position relationship of the utility model;

[0024] Figure 6 It is a schematic diagram of the position relationship of the second transmission belt of the utility model.

[0025] In the figure: 1, bottom plate; 2, screw air compressor body; 3, shell; 4, box door; 5, support leg; 6, air outlet filter; 7, air inlet filter; 8, cooling mechanism; 81, blowing assembly; 811, connecting frame; 812, limit rod; 813, slider; 814, connecting plate; 815, blowing device; 816, support frame; 817, motor; 818, first pulley; 819, rotating shaft; 8110, turntable; 8111, support plate; 8112, connecting rod; 8113, first extension plate; 82, cleaning assembly; 821, vertical plate; 822, The second pulley; 823, the first transmission belt; 824, the first rotating column; 825, the connecting shell; 826, the first bevel gear; 827, the second bevel gear; 828, the second rotating column; 829, the rotating block; 8210, the cleaning brush; 9, the shock absorbing mechanism; 901, the column; 902, the mounting plate; 903, the spring; 904, the damping; 905, the third pulley; 906, the second transmission belt; 907, the second extension plate; 908, the fourth pulley; 909, the handwheel; 910, the threaded cylinder; 911, the threaded column; 912, the push plate; 913, the telescopic rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Embodiment 1:

[0029] See also Figure 1-4The utility model provides a technical solution: a screw air compressor with a cooling mechanism for cloth production, comprising a base plate 1 and a screw air compressor body 2, a shell 3 is fixedly installed on the top of the base plate 1, a box door 4 is arranged on the front of the shell 3, a supporting leg 5 is fixedly installed on the bottom of the base plate 1, an air outlet filter 6 is arranged inside the shell 3, an air inlet filter 7 is arranged inside the shell 3, a cooling mechanism 8 is arranged inside the shell 3, and a shock absorbing mechanism 9 is arranged inside the shell 3.

[0030] The cooling mechanism 8 includes a blowing assembly 81 and a cleaning assembly 82 . The blowing assembly 81 is arranged inside the shell 3 , and the cleaning assembly 82 is arranged outside the shell 3 .

[0031] Furthermore, the blowing assembly 81 includes a connecting frame 811, which is fixedly mounted on the inner wall of the shell 3, and a limiting rod 812 is fixedly mounted on the inner wall of the connecting frame 811. A slider 813 is slidably mounted on the outside of the limiting rod 812, and the slider 813 is slidably mounted with the connecting frame 811. A connecting plate 814 is fixedly mounted on the inner side of the slider 813, and a blowing device 815 is arranged on the left side of the connecting plate 814. A supporting frame 816 is fixedly mounted on the back of the shell 3, and a motor 817 is fixedly mounted on the back of the supporting frame 816. A first pulley 818 is fixedly mounted on the output end of the motor 817, and the first pulley 818 is rotatably mounted with the shell 3. A rotating shaft 819 is fixedly installed on the front of the first pulley 818, and the rotating shaft 819 is rotatably installed with the shell 3. A turntable 8110 is fixedly installed on the end of the rotating shaft 819 away from the first pulley 818, and a support plate 8111 is fixedly installed on the bottom inner wall of the connecting frame 811, and the rotating shaft 819 and the support plate 8111 are rotatably installed, and the turntable 8110 and the support plate 8111 are rotatably installed. A connecting rod 8112 is rotatably installed on the front of the turntable 8110, and a first extension plate 8113 is fixedly installed on the left side of the connecting plate 814, and the first extension plate 8113 and the connecting rod 8112 are rotatably installed, which is convenient for cooling the screw air compressor body 2.

[0032] Furthermore, a through hole is opened inside the connection frame 811 at a position corresponding to the rotating shaft 819, and the rotating shaft 819 is rotatably installed in the through hole to facilitate the rotation of the rotating shaft 819.

[0033] Further, the cleaning assembly 82 includes a vertical plate 821, which is fixedly mounted on the top of the housing 3, a second pulley 822 is rotatably mounted on the back of the vertical plate 821, a first transmission belt 823 is installed on the external transmission of the second pulley 822, the first transmission belt 823 is transmission-mounted with the first pulley 818, a first rotating column 824 is fixedly mounted on the front of the second pulley 822, the first rotating column 824 is rotatably mounted with the vertical plate 821, and a connecting shell 825 is fixedly mounted on the top of the housing 3. A first bevel gear 826 is fixedly installed on one end of the first rotating column 824 away from the second pulley 822, and the first bevel gear 826 is rotatably installed with the connecting shell 825. The outside of the first bevel gear 826 is meshed with the second bevel gear 827, and the inside of the second bevel gear 827 is fixedly installed with a second rotating column 828. Rotating blocks 829 are fixedly installed on the left and right ends of the second rotating column 828, and a cleaning brush 8210 is provided on the inner side of the rotating block 829 to facilitate cleaning of the air outlet filter 6 and the air inlet filter 7.

[0034] Furthermore, a through hole is opened inside the connecting shell 825 at a position corresponding to the second rotating post 828 , and the second rotating post 828 is rotatably installed in the through hole to facilitate the smooth rotation of the second rotating post 828 .

[0035] Embodiment 2:

[0036] See also Figure 5-6 , and combined with the first embodiment, it is further obtained that the shock absorbing mechanism 9 includes a column 901, the column 901 is fixedly mounted on the bottom inner wall of the shell 3, a mounting plate 902 is slidably mounted on the outside of the column 901, the screw air compressor body 2 is fixedly mounted on the top of the mounting plate 902, a spring 903 is fixedly mounted between the bottom of the mounting plate 902 and the shell 3, a damper 904 is fixedly mounted on the bottom inner wall of the shell 3, the damper 904 is fixedly mounted on the mounting plate 902, a third pulley 905 is rotatably mounted inside the bottom plate 1, a second transmission belt 906 is installed on the external transmission of the third pulley 905, and a second extension plate 90 is fixedly mounted on the front of the bottom plate 1 7. A fourth pulley 908 is rotatably mounted on the top of the second extension plate 907, and the fourth pulley 908 is transmission-mounted with the second transmission belt 906. A handwheel 909 is fixedly mounted on the top of the fourth pulley 908. A threaded cylinder 910 is fixedly mounted on the top of the third pulley 905. The threaded cylinder 910 is rotatably mounted with the base plate 1. A threaded column 911 is mounted on the internal thread of the threaded cylinder 910, and a push plate 912 is fixedly mounted on the top of the threaded column 911. A telescopic rod 913 is fixedly mounted inside the base plate 1, and the telescopic rod 913 is fixedly mounted with the housing 3. The telescopic rod 913 is fixedly mounted with the push plate 912, which is convenient for the shock absorption work of the screw air compressor body 2.

[0037] Furthermore, a through hole is opened inside the housing 3 at a position corresponding to the threaded barrel 910 , and the threaded barrel 910 is rotatably installed in the through hole to facilitate the rotation of the threaded barrel 910 .

[0038] In actual operation, when this device is used, the blowing device 815 is provided to facilitate ventilation of the shell 3. By starting the motor 817, the first pulley 818 and the rotating shaft 819 are rotated, so that the turntable 8110 is rotated. With the cooperation of the connecting rod 8112, it is convenient to drive the connecting plate 814 to move up and down, so as to facilitate cooling of the screw air compressor body 2. With the rotation of the first pulley 818, with the cooperation of the first transmission belt 823, the second pulley 822 and the first rotating column 824 are rotated. With the cooperation of the first bevel gear 826, the second bevel gear 827 and the second rotating column 828 are rotated. With the cooperation of the rotating block 829 and the cleaning brush 8210, it is convenient to The wind filter 6 and the air inlet filter 7 are cleaned, so there is no need for the staff to manually clean the air outlet filter 6 and the air inlet filter 7, which increases the work efficiency. The set column 901, spring 903 and damping 904 facilitate the shock absorption work of the screw air compressor body 2. When the screw air compressor body 2 needs to be maintained or disassembled, the fourth pulley 908 is rotated by rotating the hand wheel 909. With the cooperation of the second transmission belt 906, the third pulley 905 and the threaded barrel 910 are rotated. With the cooperation of the threaded column 911 and the telescopic rod 913, the push plate 912 moves upward until the push plate 912 contacts the mounting plate 902, thereby limiting the mounting plate 902 to prevent the mounting plate 902 from shaking.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A screw air compressor with a cooling mechanism for fabric production, comprising a bottom plate (1) and a screw air compressor body (2), Features: A shell (3) is fixedly mounted on the top of the base plate (1), a box door (4) is arranged on the front of the shell (3), a supporting leg (5) is fixedly mounted on the bottom of the base plate (1), an air outlet filter (6) is arranged inside the shell (3), an air inlet filter (7) is arranged inside the shell (3), a cooling mechanism (8) is arranged inside the shell (3), and a shock absorbing mechanism (9) is arranged inside the shell (3); The cooling mechanism (8) comprises a blowing component (81) and a cleaning component (82), wherein the blowing component (81) is arranged inside the shell (3), and the cleaning component (82) is arranged outside the shell (3); The cleaning assembly (82) comprises a vertical plate (821), the vertical plate (821) is fixedly mounted on the top of the shell (3), a second pulley (822) is rotatably mounted on the back of the vertical plate (821), a first transmission belt (823) is installed on the external transmission of the second pulley (822), the first transmission belt (823) is transmission-mounted with the first pulley (818), a first rotating column (824) is fixedly mounted on the front of the second pulley (822), the first rotating column (824) is rotatably mounted with the vertical plate (821), and the top of the shell (3) is fixedly mounted. A connecting shell (825) is fixedly installed, and a first bevel gear (826) is fixedly installed on one end of the first rotating column (824) away from the second pulley (822), and the first bevel gear (826) is rotatably installed with the connecting shell (825), and a second bevel gear (827) is meshed on the outside of the first bevel gear (826), and a second rotating column (828) is fixedly installed on the inside of the second bevel gear (827), and rotating blocks (829) are fixedly installed on the left and right ends of the second rotating column (828), and a cleaning brush (8210) is arranged on the inner side of the rotating block (829).

2. A screw air compressor with a cooling mechanism for fabric production according to claim 1, Features: The blowing assembly (81) comprises a connecting frame (811), the connecting frame (811) is fixedly mounted on the inner wall of the shell (3), a limiting rod (812) is fixedly mounted on the inner wall of the connecting frame (811), a slider (813) is slidably mounted on the outside of the limiting rod (812), the slider (813) is slidably mounted with the connecting frame (811), a connecting plate (814) is fixedly mounted on the inner side of the slider (813), a blowing device (815) is arranged on the left side of the connecting plate (814), a supporting frame (816) is fixedly mounted on the back of the shell (3), a motor (817) is fixedly mounted on the back of the supporting frame (816), a first pulley (818) is fixedly mounted on the output end of the motor (817), and the first pulley (818) is fixedly mounted on the output end of the motor (817). 8) is rotatably mounted with the housing (3), a rotating shaft (819) is fixedly mounted on the front side of the first pulley (818), the rotating shaft (819) is rotatably mounted with the housing (3), a rotating disk (8110) is fixedly mounted on the end of the rotating shaft (819) away from the first pulley (818), a supporting plate (8111) is fixedly mounted on the bottom inner wall of the connecting frame (811), the rotating shaft (819) is rotatably mounted with the supporting plate (8111), the rotating disk (8110) is rotatably mounted with the supporting plate (8111), a connecting rod (8112) is rotatably mounted on the front side of the rotating disk (8110), a first extension plate (8113) is fixedly mounted on the left side of the connecting plate (814), and the first extension plate (8113) is rotatably mounted with the connecting rod (8112).

3. A screw air compressor with a cooling mechanism for fabric production according to claim 2, Features: A through hole is provided inside the connection frame (811) at a position corresponding to the rotating shaft (819), and the rotating shaft (819) is rotatably installed in the through hole.

4. A screw air compressor with a cooling mechanism for fabric production according to claim 1, Features: A through hole is provided inside the connection shell (825) at a position corresponding to the second rotating post (828), and the second rotating post (828) is rotatably installed in the through hole.

5. A screw air compressor with a cooling mechanism for fabric production according to claim 1, Features: The shock absorbing mechanism (9) comprises a column (901), wherein the column (901) is fixedly mounted on the bottom inner wall of the shell (3), a mounting plate (902) is slidably mounted on the outside of the column (901), the screw air compressor body (2) is fixedly mounted on the top of the mounting plate (902), a spring (903) is fixedly mounted between the bottom of the mounting plate (902) and the shell (3), a damper (904) is fixedly mounted on the bottom inner wall of the shell (3), the damper (904) is fixedly mounted on the mounting plate (902), a third pulley (905) is rotatably mounted inside the base plate (1), a second transmission belt (906) is mounted on the outside of the third pulley (905), and a second extension plate (906) is fixedly mounted on the front of the base plate (1). 07), a fourth pulley (908) is rotatably mounted on the top of the second extension plate (907), the fourth pulley (908) is transmission-mounted with the second transmission belt (906), a handwheel (909) is fixedly mounted on the top of the fourth pulley (908), a threaded cylinder (910) is fixedly mounted on the top of the third pulley (905), the threaded cylinder (910) is rotatably mounted with the base plate (1), a threaded column (911) is mounted on the internal thread of the threaded cylinder (910), a push plate (912) is fixedly mounted on the top of the threaded column (911), a telescopic rod (913) is fixedly mounted inside the base plate (1), the telescopic rod (913) is fixedly mounted with the housing (3), and the telescopic rod (913) is fixedly mounted with the push plate (912).

6. A screw air compressor with a cooling mechanism for fabric production according to claim 5, Features: A through hole is provided inside the housing (3) at a position corresponding to the threaded barrel (910), and the threaded barrel (910) is rotatably mounted in the through hole.

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