A screen printing machine

Abstract

The invention discloses a silk screen printing machine, which consists of a material rack, a loading platform, a loading rack which is arranged obliquely and one end of which is flush with the loading platform, a silk screen printing machine, a unloading rack installed at one end of the silk screen printing platform, a machine cabinet installed at the bottom of the silk screen printing platform and a feeding belt. When the silk screen printing machine of the invention performs printing operation, the feeding belt provided in the silk screen printing machine can be released from a feeding roller, and is collected by a collecting roller after being conducted by a series of rollers. The feeding belt can also be arranged as an annular feeding belt to realize circular rotation, thereby driving the product to be printed in a circular manner, so that the product can be stably transmitted on the feeding belt no matter what state it is in, thus solving the limitation that the traditional printing machine can only process rolled products, and can process and print single sheets, single slices and other scattered products, thus significantly expanding the silk screen processing range of applicable products, and the circulating printing method of the feeding belt does not need to be repeatedly disassembled and repositioned like the traditional printing machine, thereby greatly improving the printing efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of screen printing equipment, in particular to a screen printing machine. Background Art

[0002] In the current printing industry, ordinary printing press technology has many limitations. The applicable product materials are relatively single and can only print continuous or rolled product materials. Rolled wires, belts, cloth and other similar rolled products can be processed, but single sheets, single pieces and other scattered products cannot be processed and printed. This greatly limits the application scope of printing presses on different product types and cannot meet diversified production needs.

[0003] In addition, when printing, when the product surface needs to be printed multiple times, or different colors or other elements are printed, a single printing method must be used. After each printing, it must be disassembled and reassembled, and then returned to the starting point to reprint. Repeated operations are not only time-consuming and laborious, but also difficult to accurately locate the position when reprinting, which is very easy to produce errors, and ultimately seriously affects the quality of the printed work. At the same time, ordinary printing machines have strict requirements on the physical form of the product. They can only print products that are easy to flatten and have a certain hardness. It is difficult to achieve good printing effects for wrinkled, flexible, easily deformed, concave or convex products that are difficult to flatten, and it is impossible to print high-quality finished products in one go, resulting in many difficulties in processing special-shaped products. Therefore, there is still room for improvement in traditional printing machines. Summary of the invention

[0004] The object of the present invention is to provide a screen printing machine to solve the problems raised by the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a silk screen printing machine, comprising a material rack, a loading platform, a loading rack which is inclined and one end of which is flush with the loading platform, a silk screen printing machine, a unloading rack installed at one end of the silk screen printing platform, a machine cabinet and a feeding belt installed at the bottom of the silk screen printing platform, wherein a feeding roller is installed at the inner top of the material rack, and a receiving roller is installed at the inner bottom of the material rack; a feeding roller for conveying the conveyor belt is provided on the surface of the loading platform, and a driving mechanism for driving the feeding roller is installed inside the loading platform; a plurality of guide rollers are installed inside the loading rack; the silk screen printing machine comprises a silk screen printing platform fixedly connected to the other end of the loading rack, a plurality of groups of transparent fill light windows are embedded in the top of both sides of the silk screen printing platform, a plurality of groups of limit rotating wheels are also fixedly connected to the top edges of both sides of the silk screen printing platform, and a CCD camera opposite to the position of the fill light window is also installed inside the silk screen printing platform. The conveyor belt is provided with a plurality of guide rollers with a first limit guide wheel, and the plurality of guide rollers with a second limit guide wheel are provided inside the conveyor belt, and the plurality of guide rollers with a second limit guide wheel are provided inside the conveyor belt, and the plurality of guide rollers with a second limit guide wheel are provided inside the conveyor belt, and the plurality of guide rollers with a third limit guide wheel are provided inside the conveyor belt.

[0006] As a preferred solution of the present invention: the roller shaft of the unwinding roller is connected to a first drive motor, the roller shaft of the receiving roller is connected to a second drive motor, and the first drive motor and the second drive motor are both fixedly installed on the outside of the material rack.

[0007] As a preferred solution of the present invention: the driving mechanism includes a third driving motor fixedly installed inside the loading platform, the third driving motor, the output end of the third driving motor is equipped with a first sprocket, and the first sprocket is transmission-connected to a second sprocket installed at one end of the loading roller through a chain.

[0008] As a preferred solution of the present invention: the table top of the screen printing table is further provided with a plurality of openings, and the openings are externally connected to a negative pressure source with adjustable pressure.

[0009] As a preferred solution of the present invention: fourth limiting guide wheels are installed at both ends of partial roller body surfaces of multiple guide rollers, and the fourth limiting guide wheels are installed and fixed to the guide rollers through manual bolts with adjustable threaded connections.

[0010] As a preferred solution of the present invention: the screen printing machine at least includes a screen printing plate fixing mechanism, an ink scraping mechanism and an ink supply system.

[0011] As a preferred solution of the present invention: one end of the roller shaft of the unloading roller is connected to a fourth drive motor, and the fourth drive motor is fixedly installed on one side of the unloading rack.

[0012] As a preferred solution of the present invention: a plurality of cabinet doors are hinged on the front of the machine cabinet, a transparent observation window is installed on the surface of the cabinet door, a plurality of adjustment feet and a plurality of rollers are installed on the bottom of the machine cabinet, and a control box is installed on the back of the machine cabinet.

[0013] As a preferred solution of the present invention: a PLC controller is installed inside the control box.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1) When the screen printing machine of the present invention performs printing, the feeding belt provided in the screen printing machine can be released from the feeding roller, and the feeding belt can be collected by the collecting roller after being conducted by a series of rollers. The feeding belt can also be provided as an annular feeding belt to realize cyclic rotation, thereby driving the product to be cyclically printed, so that the product can be stably transmitted on the feeding belt regardless of its state, thus solving the limitation that the traditional printing machine can only process rolled products, and can process and print single sheets, single pieces and other scattered products, thus significantly expanding the scope of the silk-screen processing of applicable products. Moreover, the cyclic printing method of the feeding belt does not need to be repeatedly disassembled and repositioned like the traditional printing machine, thereby greatly improving the printing efficiency;

[0016] 2) The screen printing machine of the present invention is provided with multiple groups of transparent fill-light windows on the top of both sides of the screen printing table, and a CCD camera is installed inside which is opposite to the position of the fill-light windows. The conveyor belt is positioned in conjunction with the cross positioning marks on both sides of the conveyor belt surface to ensure that the position is accurate during multiple printings, effectively avoid printing errors, and improve printing quality. Multiple groups of limit wheels, guide rollers with different limit guide wheels, unloading guide rollers, and guide rollers can play a good limiting and guiding role for products of different forms, so that even products that are wrinkled, flexible and deformable, have bumps and other surfaces that are difficult to level can remain relatively stable during the printing process, thereby achieving better printing effects and overcoming the problem that ordinary printing machines have strict requirements on product form. Combined with the opening of the external pressure-adjustable negative pressure source on the screen printing table, as well as the screen printing plate fixing mechanism, ink scraping mechanism, and ink supply system, the printing position can be accurately positioned to ensure that the position is accurate during multiple printings, effectively avoid printing errors, and improve printing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 is a side view of the present invention;

[0019] Figure 3 It is a schematic diagram of the material rack structure of the present invention;

[0020] Figure 4 It is a schematic diagram of the local structure of the present invention;

[0021] Figure 5 It is a schematic diagram of the internal structure of the machine cabinet of the present invention;

[0022] Figure 6 It is a partial top view of the present invention.

[0023] In the figure: 100, material rack; 110, unwinding roller; 111, first drive motor; 120, receiving roller; 121, second drive motor; 200, loading platform; 210, loading roller; 220, driving mechanism; 221, third drive motor; 222, first sprocket; 223, chain; 224, second sprocket; 300, loading rack; 310, guide roller; 311, fourth limit guide wheel; 312, manual bolt; 400, screen printing machine; 410, screen printing platform; 420, fill light window; 430, limit rotating wheel; 440, CCD Camera; 450, opening; 460, screen printing plate fixing mechanism; 470, ink scraping mechanism; 500, unloading rack; 510, unloading roller; 520, first limit guide wheel; 530, unloading guide roller; 540, fourth drive motor; 600, machine cabinet; 610, second limit guide wheel; 620, material guide roller; 630, circulating rack; 640, circulating roller; 650, third limit guide wheel; 660, circulating guide roller; 670, cabinet door; 671, transparent observation window; 680, adjustment foot; 690, roller; 6110, control box. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0025] See also Figure 1-6The present invention provides a technical solution: a screen printing machine, comprising a material rack 100, a loading platform 200, a loading rack 300 which is inclined and one end of which is flush with the loading platform 200, a screen printing machine 400, a lower material rack 500 installed at one end of the screen printing platform 410, and a feeding belt, wherein a feeding roller 110 is installed at the inner top of the material rack 100, and a receiving roller 120 is installed at the inner bottom of the material rack 100;

[0026] The surface of the loading platform 200 is provided with a loading roller 210 for conveying the conveyor belt, and the interior of the loading platform 200 is installed with a driving mechanism 220 for driving the loading roller 210; a plurality of guide rollers 310 are installed inside the loading frame 300; the screen printing machine 400 includes a screen printing platform 410 fixedly connected to the other end of the loading frame 300, and a plurality of groups of transparent fill light windows 420 are embedded on the top of both sides of the screen printing platform 410, and a plurality of groups of limit rotating wheels 430 are fixedly connected to the top edges of both sides of the screen printing platform 410, and a CCD camera 440 corresponding to the position of the fill light window 420 is also installed inside the screen printing platform 410; a loading roller 510 is fixedly installed inside the unloading frame 500, and a plurality of unloading guide rollers 530 with a first limit guide wheel 520 are also installed inside the unloading frame 500, and the first limit guide wheel 520 is in contact with the roller surface of the unloading roller 510; a machine cabinet 6 installed at the bottom of the screen printing platform 410 00, a plurality of guide rollers 620 with second limit guide wheels 610 are installed inside the machine cabinet 600, a circulating material rack 630 is installed at one end of the machine cabinet 600, a circulating roller 640 is installed inside the circulating material rack 630, and a circulating guide roller 660 with a third limit guide wheel 650 is also installed inside the circulating material rack 630; the feeding belt, after being released from the unwinding roller 110, passes through the feeding roller 210, the guide roller 310, the screen printing station 410, the limiting wheel 430, the unloading roller 510, the guide roller 620 and the circulation roller 640 are transmitted and then the material is collected by the collecting roller 120. The feeding belt can also be an annular feeding belt, which is sleeved on the outside of the loading roller 210, the guide roller 310, the screen printing table 410, the limiting wheel 430, the unloading roller 510, the guide roller 620 and the circulation roller 640, and rotates in a circular manner, and then the feeding belt is used to drive the product to be printed in a circular manner.

[0027] Specifically, the loading roller 210 of the loading platform 200 starts to rotate under the drive of the driving mechanism 220, and the feeding belt is led out from the unloading roller 110, wherein a layer of water-soluble glue is applied on the surface of the conveyor belt, and then the product to be processed is directly laid on the conveyor belt. The feeding belt acts as a transport carrier, carrying the product forward, and the guide roller 310 of the loading rack 300 is used to guide the feeding belt so that it smoothly transitions to the screen printing machine 400, and the feeding belt drives the product into the screen printing platform 410. At this time, the transparent fill light windows 420 on the top of both sides provide sufficient light, and cooperate with the CCD camera 440 at the relative position inside, combined with the cross positioning marks on both sides of the conveyor belt surface, to accurately determine the product position, ensure the printing position is accurate, and multiple sets of limit wheels 430 guide the edge of the feeding belt, which can further prevent the product from shifting during the printing process;

[0028] After printing is completed, the product enters the unloading rack 500 along with the feeding belt. The unloading roller 510 of the unloading rack 500 and the unloading guide roller 530 with the first limiting guide wheel 520 work together. The first limiting guide wheel 520 contacts the roller surface of the unloading roller 510, so that the product leaves the screen printing table 410 smoothly and then enters the machine cabinet 600. Then, the circulating roller 640 in the circulating rack 630 and the circulating guide roller 660 with the third limiting guide wheel 650 are used to make the feeding belt circulate. The feeding belt can be released from the unloading roller 110 and then collected by the collecting roller 120. It can also be set as an annular feeding belt, which is sleeved on the outside of each related roller body and circulates to drive the product to print in a circular manner, breaking through the limitations of traditional printing machines, realizing the printing of single sheets, single pieces and other scattered products, and improving printing efficiency.

[0029] When the non-annular feeding belt is used, the feeding belt is slowly released from the feeding roller 110, and passes through the feeding roller 210, the guide roller 310, the screen printing table 410, the limit rotating wheel 430, the unloading roller 510, the guide roller 620 and the circulation roller 640 in sequence. During the processing, the product is conveyed and printed along with the feeding belt. When the feeding belt reaches the receiving roller 120, a single-pass printing conveyance is completed, and the receiving roller 120 winds and collects the printed feeding belt and the product together.

[0030] When the working mode is annular, the feeding belt is annularly sleeved on the outside of the loading roller 210, the guide roller 310, the screen printing table 410, the limiting wheel 430, the unloading roller 510, the guide roller 620 and the circulation roller 640. When the screen printing press is started, the feeding belt starts to rotate in a circular manner, driving the product to be continuously printed in a circular manner. It is suitable for the task of repeatedly printing the same product, especially repeatedly printing specific patterns on the same material. During the circulation process, the product can undergo a printing operation each time it passes through the screen printing table 410, without the need for repeated disassembly and repositioning like traditional printing presses. It saves time and improves the accuracy of printing. It effectively solves the limitation that traditional printing presses can only process rolled products, and significantly increases the scope of screen printing processing of applicable products.

[0031] In this embodiment, the roller shaft of the unwinding roller 110 is connected to the first drive motor 111 , and the roller shaft of the receiving roller 120 is connected to the second drive motor 121 . The first drive motor 111 and the second drive motor 121 are both fixedly mounted on the outside of the material rack 100 .

[0032] Specifically, when the printing operation starts, the first driving motor 111 is started to drive the unloading roller 110 to rotate, and the feeding belt and the product to be processed are gradually unloaded by the rotating unloading roller 110;

[0033] When the product is printed and reaches the receiving end with the feed belt, the second drive motor 121 starts working and drives the receiving roller 120 to rotate. The printed feed belt and the product are gradually wound and collected by the receiving roller 120. The unloading roller 110 cooperates with the receiving roller 120 to ensure stable and efficient feeding and receiving, thereby achieving the continuity of the printing process.

[0034] In this embodiment, the driving mechanism 220 includes a third driving motor 221 fixedly installed inside the loading platform 200. The output end of the third driving motor 221 is equipped with a first sprocket 222, and the first sprocket 222 is transmission-connected to the second sprocket 224 installed at one end of the loading roller 210 through a chain 223.

[0035] Specifically, after the third drive motor 221 is started, the first sprocket 222 at its output end cooperates with the first sprocket 222 and the chain 223 to drive the second sprocket 224 at one end of the loading roller 210 to rotate, and transmits power to the loading roller 210. When the loading roller 210 rotates, the feeding belt released from the discharge roller 110 can be sent to the loading rack 300 after transmission.

[0036] In this embodiment, the surface of the screen printing table 410 is further provided with a plurality of openings 450 , and the openings 450 are externally connected to a negative pressure source with adjustable pressure.

[0037] Specifically, when the feeding belt transports the product to the screen printing table 410, if the product is a wrinkled cloth, the operator can start the negative pressure source, adjust the pressure, and adjust the opening 450 to generate suction, so that the suction acts on the cloth and the wrinkled part is adsorbed as flatly as possible on the surface of the screen printing table 410. For products with concave or convex three-dimensional patterns, negative pressure adsorption makes the product fit closely with the screen printing table 410, which can ensure that the screen printing plate is in full contact with the product surface and the printing quality is guaranteed.

[0038] In this embodiment, fourth limiting guide wheels 311 are installed on both ends of a portion of the roller body surface of the plurality of guide rollers 310 , and the fourth limiting guide wheels 311 are installed and fixed to the guide rollers 310 via manual bolts 312 with adjustable threaded connections.

[0039] Specifically, after the feeding belt is released from the discharge roller 110, it enters the loading rack 300 after passing through the loading roller 210 and is guided by the guide roller 310. The fourth limiting guide wheel 311 can limit the lateral position of the feeding belt to prevent deviation.

[0040] For different products with different widths, the operator can adjust the distance between the fourth limiting guide wheel 311 and the guide roller 310 by rotating the manual bolt 312 according to the actual situation, so that the silk screen printing machine can adapt to the feeding requirements of products of various specifications and improve the versatility and adaptability of the equipment.

[0041] In this embodiment, the screen printing machine 400 at least includes a screen printing plate fixing mechanism 460, an ink scraping mechanism 470 and an ink supply system.

[0042] Specifically, before printing the product, according to the printing pattern and product size, a suitable screen printing plate is selected and installed on the screen printing plate fixing mechanism 460. By adjusting the set clamping device, the screen printing plate is firmly fixed at a suitable position above the screen printing table 410 to ensure that it does not move during printing. Then the ink supply system starts to work and delivers the ink to the surface of the screen printing plate at a certain flow rate and pressure. Then the ink scraper of the ink scraping mechanism 470 moves at a specific speed and angle on the surface of the screen printing plate under the drive of the power structure. The ink scraper squeezes the ink through the mesh of the screen printing plate to the surface of the product to form a printed pattern. Among them, the screen printing plate fixing mechanism 460, the ink scraping mechanism 470 and the ink supply system are all common technologies on the market.

[0043] In this embodiment, one end of the roller shaft of the unloading roller 510 is connected to the fourth driving motor 540 , and the fourth driving motor 540 is fixedly installed on one side of the unloading frame 500 .

[0044] Specifically, after the product is printed on the screen printing station 410, the fourth driving motor 540 is started to drive the unloading roller 510 to rotate, and the unloading roller 510 is rotated to smoothly send the product out of the screen printing station 410;

[0045] The fourth drive motor 540 can accurately adjust the speed according to the printing speed and product conveying rhythm, and cooperate with the first limiting guide wheel 520 to limit and guide the product, ensuring that the product is stably conveyed along the predetermined path to the subsequent processing link, thereby ensuring the continuity and stability of the printing production process.

[0046] In this embodiment, a plurality of cabinet doors 670 are hinged on the front of the machine cabinet 600, a transparent observation window 671 is installed on the surface of the cabinet door 670, a plurality of adjustment feet 680 and a plurality of rollers 690 are installed on the bottom of the machine cabinet 600, and a control box 6110 is installed on the back of the machine cabinet 600.

[0047] Specifically, the transparent observation window 671 on the surface of the cabinet door 670 is convenient for the operator to observe the internal situation in real time. During the printing process, the operation of the feeding belt and the rotation status of each roller can be viewed through the observation window. When the cabinet door 670 is opened, it is also convenient for the operator to perform daily inspection and maintenance on the internal rollers.

[0048] The adjustment foot 680 can be adjusted according to the flatness of the ground to ensure that the machine cabinet 600 is placed stably to prevent affecting the printing accuracy. When the adjustment foot 680 is adjusted and retracted, the roller 690 contacts the ground, and the roller 690 is used to facilitate moving the equipment on the ground.

[0049] In this embodiment, a PLC controller is installed inside the control box 6110.

[0050] Specifically, when the feed belt drives the product into the screen printing table 410, the CCD camera 440 captures the product position information and transmits it to the PLC controller. The PLC controller determines whether the product position is accurate based on the preset printing pattern and position parameters. If there is a position deviation, it quickly issues instructions to adjust the speed of each drive motor. At the same time, the PLC control can also control the display device of the control box 6110 or the external device to issue an alarm, prompting the operator to take timely action.

[0051] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A screen printing machine, characterized in that: include: A material rack (100), wherein a material discharge roller (110) is installed at the inner top of the material rack (100), and a material collection roller (120) is installed at the inner bottom of the material rack (100); A loading platform (200), wherein a loading roller (210) for conveying the conveyor belt is provided on the surface of the loading platform (200), and a driving mechanism (220) for driving the loading roller (210) is installed inside the loading platform (200); A loading rack (300) which is arranged obliquely and has one end flush with the loading platform (200), wherein a plurality of guide rollers (310) are installed inside the loading rack (300); A screen printing machine (400), the screen printing machine (400) comprising a screen printing platform (410) fixedly connected to the other end of the loading rack (300), a plurality of groups of transparent fill-light windows (420) being embedded on the top of both sides of the screen printing platform (410), a plurality of groups of limit rotating wheels (430) being fixedly connected to the top edges of both sides of the screen printing platform (410), and a CCD camera (440) being installed inside the screen printing platform (410) and being located opposite to the fill-light windows (420); A material unloading rack (500) is installed at one end of the screen printing platform (410), a material unloading roller (510) is fixedly installed inside the material unloading rack (500), and a plurality of material unloading guide rollers (530) with first position limiting guide wheels (520) are also installed inside the material unloading rack (500), and the first position limiting guide wheels (520) are in contact with the roller surface of the material unloading roller (510); A machine cabinet (600) is installed at the bottom of the screen printing table (410), a plurality of material guide rollers (620) with second position limiting guide wheels (610) are installed inside the machine cabinet (600), a circulating material rack (630) is installed at one end of the machine cabinet (600), a circulating roller (640) is installed inside the circulating material rack (630), and a circulating guide roller (660) with a third position limiting guide wheel (650) is also installed inside the circulating material rack (630); A feeding belt, after being released from a feeding roller (110), the feeding belt passes through a feeding roller (210), a guide roller (310), a screen printing platform (410), a limiting wheel (430), a feeding roller (510), a guide roller (620) and a circulation roller (640), and then is collected by a collecting roller (120). The feeding belt can also be an annular feeding belt, which is sleeved on the outside of the feeding roller (210), the guide roller (310), the screen printing platform (410), the limiting wheel (430), the feeding roller (510), the guide roller (620) and the circulation roller (640) and rotates in a circular manner, and then the feeding belt is used to drive the product to be printed in a circular manner.

2. A screen printing machine according to claim 1, characterized in that: The roller shaft of the unwinding roller (110) is connected to a first drive motor (111), and the roller shaft of the receiving roller (120) is connected to a second drive motor (121); the first drive motor (111) and the second drive motor (121) are both fixedly mounted on the outside of the material rack (100).

3. A screen printing machine according to claim 1, characterized in that: The driving mechanism (220) comprises a third driving motor (221) fixedly mounted inside the loading platform (200); the output end of the third driving motor (221) is equipped with a first sprocket (222); the first sprocket (222) is drivingly connected to a second sprocket (224) mounted on one end of the loading roller (210) via a chain (223).

4. A screen printing machine according to claim 1, characterized in that: The surface of the screen printing table (410) is also provided with a plurality of openings (450), and the openings (450) are externally connected to a negative pressure source with adjustable pressure.

5. The screen printing machine according to claim 1, characterized in that: Fourth limiting guide wheels (311) are installed at both ends of a portion of the roller body surface of the plurality of guide rollers (310), and the fourth limiting guide wheels (311) are installed and fixed to the guide rollers (310) via manual bolts (312) connected by adjustable threads.

6. A screen printing machine according to claim 1, characterized in that: The screen printing machine (400) at least comprises a screen printing plate fixing mechanism (460), an ink scraping mechanism (470) and an ink supply system.

7. The screen printing machine according to claim 1, characterized in that: One end of the roller shaft of the unloading roller (510) is connected to a fourth drive motor (540), and the fourth drive motor (540) is fixedly mounted on one side of the unloading frame (500).

8. The screen printing machine according to claim 1, characterized in that: The front of the machine cabinet (600) is hinged with a plurality of cabinet doors (670), the surfaces of the cabinet doors (670) are provided with transparent observation windows (671), the bottom of the machine cabinet (600) is provided with a plurality of adjustment feet (680) and a plurality of rollers (690), and the back of the machine cabinet (600) is provided with a control box (6110).

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