Frequency conversion pressure regulating slide valve seat grinding machine

Abstract

The present invention relates to a variable frequency pressure regulating sliding valve seat grinding machine, which is characterized in that the whole machine is composed of a main frame (1), a dust collecting device (2), a work surface (3), a clamping mechanism (4), a grinding mechanism (5), and an operating box (6); the clamping mechanism (4) stably fixes the sliding valve seat on the work surface (3), and the grinding mechanism (5) cooperates with the clamping mechanism (4) to grind the sliding valve seat. The grinding frequency and grinding force can be adjusted according to the material (hardness) and processing amount of the sliding valve seat to be ground during the grinding process, and the problems of scratches, rust and leakage caused by uneven surface of the sliding valve seat can be removed. The operation is simple and the grinding is stable. The present invention relates to an automated equipment for grinding the sliding valve seat of the air distribution valve of a railway locomotive vehicle.

Description

Technical Field

[0001] The present invention relates to the technical field of railway locomotives and rolling stock, and further to a processing device, in particular to a device for grinding a sliding valve seat of an air distribution valve of a railway locomotive and rolling stock. Background Art

[0002] The air distribution valve is the core component of the braking system of domestic railway freight cars and ordinary passenger cars. The main control part is driven by the main piston, which moves up and down by the sliding valve pressed on the sliding valve sleeve to control the opening, closing and connection of each air path, forming different action positions such as inflation, pressure maintenance and braking to achieve vehicle relief and braking. Therefore, the grinding quality of the sliding valve seat will directly affect the performance of the air distribution valve, thereby affecting the safety of railway locomotives and vehicles. The current situation is that the grinding quality of the sliding valve seat mainly depends on the personal skills and work mood of the workers in the grinding position, with a low degree of automation, poor quality stability of grinding processing, low production efficiency and high rework rate.

[0003] There is no effective solution to the problems of poor processing quality, low production efficiency and low automation level of the sliding valve seat of the air distribution valve of railway locomotives and vehicles in the relevant technology.

[0004] Therefore, the inventor, relying on his many years of experience and practice in related industries, proposes a variable frequency pressure regulating sliding valve seat grinding machine device to overcome the defects of the prior art. Summary of the invention

[0005] In order to overcome the above shortcomings, the present invention provides a railway rolling stock variable frequency pressure regulating sliding valve seat grinding machine equipment, which can realize the grinding of the sliding valve seat plane, and the grinding frequency and grinding force can be adjusted during grinding, so as to remove the scratches and rust on the sliding valve seat surface and realize the fine processing of the sliding valve seat surface. The present invention solves the technical problems of poor grinding quality, low production efficiency and low automation degree of the sliding valve seat of the air distribution valve of railway rolling stock.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A variable frequency pressure regulating sliding valve seat grinding machine, characterized in that the whole machine consists of a main frame (1), a dust suction device (2), a work surface (3), a clamping mechanism (4), a grinding mechanism (5), and an operating box (6); the dust suction device (2) is located inside the main frame (1); the dust suction device (2) consists of a dust collector (7), a suction pipe (8), a pipe bracket (9), and a locking screw (10); the work surface (3) is located on the upper side of the main frame (1), and the clamping mechanism (4) is located in the middle part of the inner side of the work surface (3); the clamping mechanism (4) consists of a positioning plate (11), a positioning pin 1 (12), a positioning pin 2 (13), a push rod mechanism (14), an inner brush mechanism (15), an outer The side brush mechanism (16) and the protective cover (17) are composed of the positioning pin (12) and the positioning pin (13) at the diagonal position of the positioning plate (11), and the sliding valve seat can be positioned on the positioning plate (11); the push rod mechanism (14) is composed of the cylinder (18), the linkage rod (19), the hook body (20), and the hook body (21); the linkage rod (19) is located below the cylinder (18) and connects the hook body (20) and the hook body (21); the cylinder (18) moves up and down to drive the hook body (20) and the hook body (21) to move, so as to clamp the sliding valve seat, thereby ensuring the stability of the sliding valve seat during grinding; the inner brush mechanism (15) is located on the inner side of the positioning plate (11), and is composed of the cylinder (22) , a pig bristle brush (23), a fixed seat (24), a linear bearing (25), and a linear bearing (26); the fixed seat (24) is located below the pig bristle brush (23) and above the cylinder (22); the linear bearing (25) and the linear bearing (26) are fixed on both sides of the cylinder (22) below the fixed seat (24); the inner brush mechanism (15) is supported by the cylinder (22) to move up and down the fixed seat (24) under the guidance of the linear bearing (25) and the linear bearing (26), and the copper chips at the inner end of the oilstone are cleaned by the pig bristle brush (23); the outer brush mechanism (16) is located on the outer side of the positioning plate (11) and is supported by the cylinder (27) , a second fixing seat (28), a second pig bristle brush (29), a third linear bearing (30), a fourth linear bearing (31), a fourth cylinder (32), a swing rod (33), a rotating shaft (34), a fifth linear bearing (35), and a supporting seat (36); one end of the swing rod (33) is connected to the rotating shaft (34), and the other end is connected to the third cylinder (27); the fourth cylinder (32) pushes the rotating shaft (34) around the fifth linear bearing (35) to drive the swing rod (33) to swing, so as to facilitate the taking and placing of the sliding valve seat; the second fixing seat (28) is supported by the third cylinder (27) to move up and down under the guidance of the third linear bearing (30) and the fourth linear bearing (31), thereby driving the second pig bristle brush (29) to clean the copper scraps at the outer end of the oilstone;The shield 1 (17) is made of organic glass, which can not only see the grinding situation but also prevent the splash of dust during grinding; the grinding mechanism (5) and the clamping mechanism (4) are located in parallel in the middle of the outer side of the work surface (3); the operation box (6) is located in the middle of the left side of the work surface (3).

[0008] Preferably, the vacuum cleaner (7) is installed on the bottom frame inside the main frame (1); one end of the suction pipe (8) is connected to the vacuum cleaner (7), and the other end is placed on the pipe bracket (9), and is used to absorb dust generated during the grinding process of the sliding valve seat; the pipe bracket (9) is installed on the left side of the clamping mechanism (4) on the workbench (3) to fix the suction pipe (8); the locking screw (10) is installed on the pipe bracket (9) to facilitate the removal of the suction pipe (8).

[0009] Preferably, the grinding mechanism (5) is composed of a base (37), a linear guide rail 1 (38), a linear guide rail 2 (39), a reciprocating mechanism (40), a pressure mechanism (41), and a shield (42); the linear guide rail 1 (38) and the linear guide rail 2 (39) are located on both sides of the base (37) to support and guide the mounting plate 1 (43) and the support (49); the reciprocating mechanism (40) is composed of a mounting plate 1 (43), a cylinder 5 (44), a pull rod (45), and a speed regulating joint (46); the The cylinder 5 (44) drives the pull rod (45) to perform reciprocating motion to grind the slide valve seat. The grinding frequency of the slide valve seat can be adjusted by the speed regulating joint (46) to achieve the change of the grinding frequency. The walking device of the grinding mechanism (5) realizes frequency conversion control through a two-way speed regulating throttling device. During the grinding process, different speeds of grinding according to different workpieces are realized by using frequency conversion, so that fine grinding and customized grinding are achieved, and the grinding quality and grinding efficiency are improved. The pressure mechanism is composed of a pressure rod (47), a bearing (48), a support (49), and an air The invention is composed of a cylinder bracket (50), a cylinder six (51), and a pressure regulating valve (52); the cylinder six (51) is located above the cylinder bracket (50); one end of the pressure rod (47) is connected to the cylinder six (51), and a lever structure is formed through a support point (49); the other end is connected to the bearing (48); the cylinder six (51) drives the bearing (48) to press down, so as to keep the oil stone in uniform contact with the sliding valve seat surface; the grinding force of the sliding valve seat can be adjusted by adjusting the cylinder pressure; grinding with different pressures can be achieved through the pressure regulating valve (52); The pressing force of the oilstone pressing device of the grinding mechanism (5) is provided with a pressure regulating device. The pressure regulating device adopts three sets of independent air pressure regulating devices. The pressure sensor collects whether the currently applied pressure and the set value are in a closed-loop control and plays a role in protecting the workpiece. The pressure control realizes the fine grinding of different workpieces in different processes. The pressure regulating device realizes precise grinding under different pressures of coarse grinding and fine grinding, thereby improving the grinding quality and grinding efficiency. The protective cover (42) is made of iron plate to prevent damage to the grinding mechanism (5).

[0010] Preferably, the operating box (6) is used to set the system parameters of the variable frequency pressure regulating sliding valve seat grinding machine. The operating box (6) can be rotated to any movable position and can be used to operate the variable frequency pressure regulating sliding valve seat grinding machine, and is composed of a touch screen (53), a connecting column (54), a rotating seat one (55), a panel box (56), and a rotating seat two (57); the two ends of the connecting column (54) are respectively connected to the rotating seat one (55) and the rotating seat two (57), and the rotating seat two (57) is fixed to the middle part of the left side of the work table (3); the panel box (56) is connected to the rotating seat one (55); the touch screen (53) is fixed on the panel box (56) and is used to set System parameters and operating equipment; the operating box (6) realizes the convenience and visibility of operation by installing a visual operation touch screen. All operations of the equipment can be controlled by the touch screen. At the same time, the visual interface can simultaneously display important information such as grinding quantity, grinding frequency, grinding completion status, grinder status, grinding pressure and grinding workpiece process. The control system adopts an imported PLC programmer, which accurately controls each execution action through logical programming, and feeds back the completion status of the execution action to the control system to realize closed-loop control. The visual touch screen directly communicates with the PLC to realize real-time display of data, and greatly improves work efficiency and product quality through the visual interface.

[0011] The invention has the following beneficial effects: reasonable design, compact structure, advanced technology, simple operation, stable operation, and high degree of automation. It is an ideal equipment for grinding the sliding valve seat of railway locomotives and rolling stock. Its main features are as follows:

[0012] 1. Frequency conversion and pressure regulation can be performed during the grinding of the sliding valve seat, which greatly improves the degree of automation and intelligence, eliminates the dependence on the operator's personal skills, and the grinding quality is stable, with a flatness of up to micron level.

[0013] 2. The production is safe and efficient, with a touch screen and a friendly human-machine interface to improve production efficiency;

[0014] 3. The equipment runs smoothly, with small vibration and low noise, and can handle dust to improve the working environment of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 :Front view of variable frequency pressure regulating slide valve seat grinding machine

[0017] Figure 2 :Main view of dust collection device

[0018] Figure 3 :Top view of clamping mechanism

[0019] Figure 4: Front view of the ejector mechanism

[0020] Figure 5 :Front view of the inner brush mechanism

[0021] Figure 6 :Front view of the outer brush mechanism

[0022] Figure 7 :Top view of grinding mechanism

[0023] Figure 8 :Pressure mechanism front view

[0024] Fig. 9 : Main view of the operation box

[0025] In the figure: the equipment comprises a main frame (1), a dust collecting device (2), a work surface (3), a clamping mechanism (4), a grinding mechanism (5), an operating box (6), a dust collector (7), a suction pipe (8), a pipe bracket (9), a locking screw (10), a positioning plate (11), a positioning pin 1 (12), a positioning pin 2 (13), a push rod mechanism (14), an inner brush mechanism (15), an outer brush mechanism (16), a protective cover 1 (17), a cylinder 1 (18), a linkage rod (19), a hook body 1 (20), a hook body 2 (21), a cylinder 2 (22), a pig bristle brush 1 (23), a fixing seat 1 (24), a linear bearing 1 (25), a linear bearing 2 (26), a cylinder 3 (27), and a fixing seat 2 (28) , bristle brush two (29), linear bearing three (30), linear bearing four (31), cylinder four (32), swing rod (33), rotating shaft (34), linear bearing five (35), support seat (36), base (37), linear guide rail one (38), linear guide rail two (39), reciprocating mechanism (40), pressure mechanism (41), shield (42), mounting plate one (43), cylinder five (44), pull rod (45), speed regulating joint (46), pressure rod (47), bearing (48), support (49), cylinder bracket (50), cylinder six (51), pressure regulating valve (52), touch screen (53), connecting column (54), rotating seat one (55), panel box (56), rotating seat two (57). DETAILED DESCRIPTION

[0026] 1. Please refer to the attached Figure 1The whole machine is composed of a main frame (1), a dust collecting device (2), a work surface (3), a clamping mechanism (4), a grinding mechanism (5), and an operation box (6); the dust collecting device (2) is located inside the main frame (1); the work surface (3) is located on the upper side of the main frame (1); the clamping mechanism (4) is located in the middle of the inner side of the work surface (3); the grinding mechanism (5) is parallel to the clamping mechanism (4) and is located in the middle of the outer side of the work surface (3); the operation box (6) is located in the middle of the left side of the work surface (3).

[0027] 2. Please refer to the attached Figure 2 The dust collecting device (2) is composed of a dust collector (7), a suction pipe (8), a pipe bracket (9), and a locking screw (10); the dust collector (7) is installed on the bottom frame inside the main frame (1); one end of the suction pipe (8) is connected to the dust collector (7), and the other end is placed on the pipe bracket (9), and is used to absorb dust generated during the grinding process of the sliding valve seat; the pipe bracket (9) is installed on the left side of the clamping mechanism (4) on the workbench (3) to fix the suction pipe (8); the locking screw (10) is installed on the pipe bracket (9) to facilitate the removal of the suction pipe (8).

[0028] 3. Please refer to the attached Figure 3 , Attachment Figure 4 , Attachment Figure 5 , Attachment Figure 6The clamping mechanism (4) is composed of a positioning plate (11), a positioning pin 1 (12), a positioning pin 2 (13), a push rod mechanism (14), an inner brush mechanism (15), an outer brush mechanism (16), and a shield 1 (17); the positioning pin 1 (12) and the positioning pin 2 (13) are located at diagonal positions of the positioning plate (11) and can position the sliding valve seat on the positioning plate (11); the push rod mechanism (14) is composed of a cylinder 1 (18), a linkage rod (19), a hook body 1 (20), and a hook body 2 (21); the linkage rod (19) is located below the cylinder 1 (18) and connects the hook body 1 (20) and the hook body 21. The cylinder (18) moves up and down to drive the hook (20) and the hook (21) to move, thereby clamping the sliding valve seat, ensuring the stability of the sliding valve seat during grinding; the inner brush mechanism (15) is located on the inner side of the positioning plate (11), and is composed of the cylinder (22), the bristle brush (23), the fixed seat (24), the linear bearing (25), and the linear bearing (26); the fixed seat (24) is located below the bristle brush (23) and above the cylinder (22); the linear bearing (25) and the linear bearing (26) are fixed below the fixed seat (24) The inner brush mechanism (15) is supported by the cylinder (22) and the fixed seat (24) under the guidance of the linear bearing (25) and the linear bearing (26) to move up and down, and the copper scraps at the inner end of the oilstone are cleaned by the bristle brush (23); the outer brush mechanism (16) is located on the outer side of the positioning plate (11), and is composed of the cylinder (27), the fixed seat (28), the bristle brush (29), the linear bearing (30), the linear bearing (4) (31), the cylinder (32), the swing rod (33), the rotating shaft (34), the linear bearing (5) (35), the support seat (36) ); one end of the swing rod (33) is connected to the rotating shaft (34), and the other end is connected to the cylinder three (27); the cylinder four (32) pushes the rotating shaft (34) around the linear bearing five (35) to drive the swing rod (33) to swing, so as to facilitate the taking and placing of the sliding valve seat; the fixed seat two (28) is supported by the cylinder three (27) to move up and down under the guidance of the linear bearing three (30) and the linear bearing four (31), thereby driving the bristle brush two (29) to clean the copper chips at the outer end of the oilstone; the protective cover one (17) is made of organic glass, which can not only see the grinding situation but also prevent the splashing of dust during grinding.

[0029] 4. Please refer to the attached Figure 7 , Attachment Figure 8The grinding mechanism (5) is composed of a base (37), a linear guide rail 1 (38), a linear guide rail 2 (39), a reciprocating mechanism (40), a pressure mechanism (41), and a shield (42); the linear guide rail 1 (38) and the linear guide rail 2 (39) are located on both sides of the base (37) to support and guide the mounting plate 1 (43) and the support (49); the reciprocating mechanism (40) is composed of a mounting plate 1 (43), a cylinder 5 (44), a pull rod (45), and a speed regulating joint (46); the cylinder 5 (44 ) drives the pull rod (45) to move back and forth to grind the slide valve seat. The grinding frequency of the slide valve seat can be adjusted by the speed regulating joint (46) to achieve the change of the grinding frequency. The walking device of the grinding mechanism (5) realizes frequency conversion control through a two-way speed regulating throttling device. During the grinding process, different speeds of grinding according to different workpieces are realized by using frequency conversion, so as to achieve fine grinding and customized grinding, thereby improving the grinding quality and grinding efficiency. The pressure mechanism is composed of a pressure rod (47), a bearing (48), a support (49), and a cylinder bracket. (50), a cylinder six (51), and a pressure regulating valve (52); the cylinder six (51) is located above the cylinder bracket (50); one end of the pressure rod (47) is connected to the cylinder six (51), and a lever structure is formed through the support point of the support (49), and the other end is connected to the bearing (48). The cylinder six (51) drives the bearing (48) to press down to keep the oil stone and the sliding valve seat surface in uniform contact. The grinding force of the sliding valve seat can be adjusted by adjusting the cylinder pressure. Grinding at different pressures can be achieved through the pressure regulating valve (52). The clamping force of the oilstone clamping device of mechanism (5) is provided with a pressure regulating device, and the pressure regulating device adopts three sets of independent air pressure regulating devices. The pressure sensor collects whether the currently applied pressure and the set value are in a closed-loop control and plays a role in protecting the workpiece. The pressure control realizes the fine grinding of different workpieces in different processes. The pressure regulating device realizes precise grinding under different pressures of coarse grinding and fine grinding, thereby improving the grinding quality and grinding efficiency. The protective cover (42) is made of iron plate to prevent damage to the grinding mechanism (5).

[0030] 5. Please refer to the attached Fig. 9The operating box (6) is used to set the system parameters of the variable frequency pressure regulating sliding valve seat grinding machine. The operating box (6) can be rotated to any movable position and can be used to operate the variable frequency pressure regulating sliding valve seat grinding machine. It is composed of a touch screen (53), a connecting column (54), a rotating seat one (55), a panel box (56), and a rotating seat two (57); the two ends of the connecting column (54) are respectively connected to the rotating seat one (55) and the rotating seat two (57), and the rotating seat two (57) is fixed to the middle part of the left side of the work table (3); the panel box (56) is connected to the rotating seat one (55); the touch screen (53) is fixed on the panel box (56) and is used to set the system parameters. The control system adopts an imported PLC programmer, which can accurately control each execution action through logic programming, and feeds back the completion status of the execution action to the control system to realize closed-loop control. The visual touch screen directly communicates with the PLC to realize real-time display of data, and the visual interface greatly improves work efficiency and product quality.

Claims

1. A variable frequency pressure regulating sliding valve seat grinding machine, characterized in that: The whole machine is composed of a main frame (1), a dust collecting device (2), a working table (3), a clamping mechanism (4), a grinding mechanism (5), and an operating box (6); the dust collecting device (2) is located inside the main frame (1); the dust collecting device (2) is composed of a dust collector (7), a suction pipe (8), a pipe bracket (9), and a locking screw (10); the working table (3) is located on the upper side of the main frame (1), and the clamping mechanism (4) is located in the middle part of the inner side of the working table (3); the clamping mechanism (4) is composed of a positioning plate (11), a positioning pin 1 (12), a positioning pin 2 (13), a push rod mechanism (14), an inner brush mechanism (15), an outer brush mechanism (16), a protective cover 1 (1 7); the positioning pin 1 (12) and the positioning pin 2 (13) are located at the diagonal position of the positioning plate (11), and the sliding valve seat can be positioned on the positioning plate (11); the push rod mechanism (14) is composed of a cylinder 1 (18), a linkage rod (19), a hook body 1 (20), and a hook body 2 (21); the linkage rod (19) is located below the cylinder 1 (18), connecting the hook body 1 (20) and the hook body 2 (21); the cylinder 1 (18) moves up and down to drive the hook body 1 (20) and the hook body 2 (21) to move, so as to clamp the sliding valve seat, thereby ensuring the stability of the sliding valve seat during grinding; the inner brush mechanism (15) is located on the inner side of the positioning plate (11), and is composed of a cylinder 2 (22), a pig bristle brush 1 (23) and a rod 2 (24). , a fixing seat 1 (24), a linear bearing 1 (25), and a linear bearing 2 (26); the fixing seat 1 (24) is located below the bristle brush 1 (23) and above the cylinder 2 (22); the linear bearing 1 (25) and the linear bearing 2 (26) are fixed on both sides of the cylinder 2 (22) below the fixing seat 1 (24); the inner brush mechanism (15) is supported by the cylinder 2 (22) to move up and down under the guidance of the linear bearing 1 (25) and the linear bearing 2 (26), and the copper chips at the inner end of the oilstone are cleaned by the bristle brush 1 (23); the outer brush mechanism (16) is located on the outer side of the positioning plate (11), and is composed of the cylinder 3 (27), the fixing seat 2 (23), and the linear bearing 2 (26). (28), a second pig bristle brush (29), a third linear bearing (30), a fourth linear bearing (31), a fourth cylinder (32), a rocker arm (33), a rotating shaft (34), a fifth linear bearing (35), and a supporting seat (36); one end of the rocker arm (33) is connected to the rotating shaft (34), and the other end is connected to the third cylinder (27); the fourth cylinder (32) pushes the rotating shaft (34) around the fifth linear bearing (35) to drive the rocker arm (33) to swing, so as to facilitate the taking and placing of the sliding valve seat; the second fixed seat (28) is supported by the third cylinder (27) to move up and down under the guidance of the third linear bearing (30) and the fourth linear bearing (31), so as to drive the second pig bristle brush (29) to clean the copper scraps at the outer end of the oilstone;The shield 1 (17) is made of organic glass, which can not only see the grinding situation but also prevent the splash of dust during grinding; the grinding mechanism (5) and the clamping mechanism (4) are located in parallel in the middle of the outer side of the work surface (3); the operation box (6) is located in the middle of the left side of the work surface (3).

2. The variable frequency pressure regulating sliding valve seat grinding machine according to claim 1 is characterized in that: The vacuum cleaner (7) is installed on the bottom frame inside the main frame (1); one end of the suction pipe (8) is connected to the vacuum cleaner (7), and the other end is placed on the pipe bracket (9) to absorb dust generated during the grinding process of the sliding valve seat; the pipe bracket (9) is installed on the left side of the clamping mechanism (4) on the workbench (3) to fix the suction pipe (8); the locking screw (10) is installed on the pipe bracket (9) to facilitate the removal of the suction pipe (8).

3. The variable frequency pressure regulating sliding valve seat grinding machine according to claim 1, characterized in that: The grinding mechanism (5) is composed of a base (37), a linear guide rail 1 (38), a linear guide rail 2 (39), a reciprocating mechanism (40), a pressure mechanism (41), and a shield (42); the linear guide rail 1 (38) and the linear guide rail 2 (39) are located on both sides of the base (37) to support and guide the mounting plate 1 (43) and the support (49); the reciprocating mechanism (40) is composed of a mounting plate 1 (43), a cylinder 5 (44), a pull rod (45), and a speed regulating joint (46); the cylinder 5 (44) drives the pull rod (45) to perform reciprocating motion to grind the sliding valve seat, and the grinding frequency of the sliding valve seat can be adjusted through the speed regulating joint (46) to achieve the change of the grinding frequency. The pressure mechanism is composed of a pressure rod (47), a bearing (48), a support (49), a cylinder bracket (50), a cylinder six (51), and a pressure regulating valve (52); the cylinder six (51) is located above the cylinder bracket (50); one end of the pressure rod (47) is connected to the cylinder six (51), and a lever structure is formed through the support point of the support (49); the other end is connected to the bearing (48); the movement of the cylinder six (51) drives the bearing (48) to press down, so as to keep the oil stone in uniform contact with the sliding valve seat surface; the grinding force of the sliding valve seat can be adjusted by adjusting the cylinder pressure, and grinding with different pressures can be achieved through the pressure regulating valve (52); the protective cover (42) is made of iron plate to prevent damage to the grinding mechanism (5).

4. The variable frequency pressure regulating sliding valve seat grinding machine according to claim 1, characterized in that: The operating box (6) is used to set the system parameters of the variable frequency pressure regulating sliding valve seat grinding machine. The operating box (6) can be rotated to any movable position and can be used to operate the variable frequency pressure regulating sliding valve seat grinding machine. It is composed of a touch screen (53), a connecting column (54), a rotating seat one (55), a panel box (56), and a rotating seat two (57); the two ends of the connecting column (54) are respectively connected to the rotating seat one (55) and the rotating seat two (57), and the rotating seat two (57) is fixed to the middle part of the left side of the work table (3); the panel box (56) is connected to the rotating seat one (55); the touch screen (53) is fixed on the panel box (56) and is used to set the system parameters and operate the equipment.

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