Sink roll turning mechanism

Abstract

The invention discloses a sink roll turning mechanism, and relates to the technical field of turning, the sink roll turning mechanism comprises a base, and the top of the base is provided with a horizontally sliding sliding seat. According to the sink roll turning mechanism, through the arrangement of the intermittent turning and burr scraping mechanism, the turning tool moves in a rectangular track in the sink roll, when the turning tool moves to the bottommost part and horizontally moves, the inner wall of the sink roll is turned, when the turning tool moves upwards, the turning tool is separated from the inner wall of the sink roll, and the inner wall of the sink roll is turned; the phenomenon of overheating caused by long-time contact between the turning tool and the sink roll is effectively avoided, thermal deformation of the turning tool is effectively avoided, the turning precision is improved, after the turning tool moves upwards, the scraping plate makes contact with the inner wall of the sink roll, and burrs generated after turning are automatically scraped away along with rotation of the sink roll. And meanwhile, the phenomenon of overheating caused by long-time working of the turning tool and the scraping plate can be effectively avoided.

Description

Technical Field

[0001] The invention relates to the technical field of turning processing, in particular to a sinking roller turning processing mechanism. Background Art

[0002] Turning is lathe processing, which is a part of mechanical processing. Lathe processing mainly uses a turning tool to turn the rotating workpiece. Drills, reamers, reamers, taps, dies and knurling tools can also be used on the lathe for corresponding processing.

[0003] The Chinese patent application with publication number CN213645880U discloses a tool holder for turning a sunken roller. The patent application solves the problem that when the axial dimensions of the sunken roller are different, the feed depth required for turning is different. After adjusting the dimension of the columnar structure extending into the sunken roller once, the dimension of the columnar structure extending into the sunken roller needs to be adjusted again for sunken rollers with different axial dimensions. The manual reciprocating adjustment workload is large. However, the above patent still has the following shortcomings when turning the inner wall of the sunken roller: (1) The turning tool is prone to overheating when turning for a long time. Overheating of the turning tool not only affects the service life of the turning tool, but also easily causes thermal deformation of the turning tool and reduces the turning accuracy; (2) The metal debris after turning will be deposited in the sinking roller. For the deeper sinking roller, the metal debris is not convenient to be discharged quickly. The accumulation of high-temperature metal debris under turning will affect the heat dissipation. In addition, there are burrs on the inner wall of the sinking roller after turning, which affects the quality of the finished product. (3) During the turning process, the friction between the turning tool and the sinking roller will generate static electricity. The turning tool will absorb metal debris due to static electricity, which will easily cause fluctuations during turning and reduce the processing accuracy; To this end, we proposed a sunken roller turning mechanism to solve the above problems. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a sunken roller turning mechanism, which solves the problems raised in the background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a sunken roller turning processing mechanism, comprising a base, a horizontally sliding slide seat is arranged on the top of the base, an electric telescopic rod is fixed on the top of the slide seat, a fixed seat is fixed on the output end of the electric telescopic rod, an L-shaped arm is fixed on one side of the fixed seat, and an intermittent turning and deburring mechanism is arranged on the L-shaped arm to prevent overheating during long-term turning; The intermittent turning and deburring mechanism includes an L-shaped plate fixed to one side of the L-shaped arm, a cross seat fixed to one side of the L-shaped plate, two square seats fixed to one side of the cross seat, a cross bar fixed between opposite sides of the two square seats, a T-shaped sleeve slidably connected to the cross bar, a vertical rod fixed to the bottom of the T-shaped sleeve, a slider slidably connected to the vertical rod, a rotating seat rotatably connected to the inner surface of the rotating seat is slidably connected to a sliding rod, an L-shaped seat is fixed to one end of the sliding rod, a spring is sleeved on the sliding rod, one side of the L-shaped seat is rotatably connected to one side of the slider through a rotating shaft, a vertical plate is fixed to one side of the slider, a turning tool is installed at the bottom of the vertical plate, and a scraper is provided on the vertical plate.

[0006] Preferably, one end of the spring is fixed to one side of the L-shaped seat, the other end of the spring is fixed to one side of the rotating seat, and a motor 1 is fixed to the other side of the L-shaped plate, and the motor 1 drives the rotating seat to rotate.

[0007] Preferably, a blowing assembly is provided on the vertical plate, and the blowing assembly is used to blow away debris accumulated in the sinking roller and scrape and blow away burrs on the inner wall of the sinking roller. The blowing assembly includes a box body 1 fixed on the vertical plate, a through groove is opened through the bottom of the box body 1, a wind shield block is fixed inside the box body 1, a box body 2 is fixed on the top of the vertical plate, the scraper is fixed on the bottom wall of the box body 2, two inclined blocks are fixed on the bottom wall of the box body 2, and fans are installed on one side of the box body 2 and the box body 1.

[0008] Preferably, a destaticizing unit is provided between the L-shaped plate and the slider, and the destaticizing unit is used to remove static electricity from the turning tool to prevent the turning tool from absorbing debris after turning. The destaticizing unit includes a rack fixed on one side of the slider, and one side of the L-shaped plate is rotatably connected to a rotating rod.

[0009] Preferably, gear 1 is fixed to one end of the rotating rod 1, rotating rod 2 is rotatably connected to one side of the L-shaped plate, gear 2 is fixed to one end of the rotating rod 2, gear 1 is meshed with gear 2, gear 1 is meshed with the rack, and a flip rod is also rotatably connected to one side of the L-shaped plate, and a square plate is fixed to one end of the flip rod.

[0010] Preferably, a plurality of conductive bristles are fixed on one side of the square plate, pulleys are fixed on both the flip rod and the rotating rod, the two pulleys are connected by belt transmission, a limiting rod is fixed on the flip rod, a spring sheet is fixed on one side of the L-shaped plate, and the bottom of the limiting rod is in contact and extrusion with the top of the spring sheet.

[0011] Preferably, a slide rail is installed on the top of the base, the slide seat slides on the slide rail, a mounting seat is fixed to the bottom of the slide seat, two rod seats are fixed on one side of the base, a screw rod is rotatably connected between the opposite sides of the two rod seats, a second motor is fixed on one side of the rod seat, the second motor drives the screw rod to rotate, one end of the screw rod passes through the mounting seat and extends to the outside of the mounting seat, and the outer surface of the screw rod is threadedly connected to the inner surface of the mounting seat.

[0012] Preferably, a main spindle box is fixed on the top of the base, and a chuck for clamping and fixing the sinking roller is fixed on the driving shaft of the main spindle box. Beneficial Effects

[0013] The present invention provides a sunken roller turning mechanism. Compared with the prior art, it has the following beneficial effects: (1) Through the setting of the intermittent turning and deburring mechanism, the turning tool moves in a rectangular trajectory inside the sinking roller. When the turning tool moves to the bottom and moves horizontally, the inner wall of the sinking roller is turned. When the turning tool moves upward, the turning tool is separated from the inner wall of the sinking roller, thereby effectively avoiding the overheating caused by the long-term contact between the turning tool and the sinking roller, effectively avoiding the thermal deformation of the turning tool, and improving the turning accuracy. After the turning tool moves upward, the scraper contacts the inner wall of the sinking roller. As the sinking roller rotates, the burrs after turning are automatically scraped off. The setting of this mechanism not only realizes the automatic integration of turning and deburring, but also effectively avoids the overheating caused by the long-term work of the turning tool and the scraper, thereby extending the service life of the turning tool and the scraper.

[0014] (2) Through the setting of the blowing component, after the burrs are scraped off by the scraper, they are collected by the box body 2. After the box body 2 is driven by the intermittent turning and deburring mechanism to move out of the sinking roller, the burrs are blown away by the fan. In this process, the fan on the box body 1 is started to blow out oblique wind to blow away the metal debris after turning, thereby realizing the rapid discharge of metal debris and burrs. For deeper sinking rollers, this component is effective and does not require manual cleaning. It effectively prevents the accumulation of high-temperature metal debris and accelerates heat dissipation.

[0015] (3) By setting up a destaticizing unit and linking it with the intermittent turning deburring mechanism, the conductive bristles can be automatically flipped over. The conductive bristles can be turned over to contact the turning tool, thereby removing the static electricity on the turning tool, effectively preventing metal debris from being adsorbed on the turning tool due to air blowing, thereby improving the stability of the turning tool during turning and improving the processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The external structure of the present invention is three-dimensional Figure 1 ; Figure 2 The external structure of the present invention is three-dimensional Figure 2; Figure 3 The local structure of the present invention is three-dimensional Figure 1 ; Figure 4 For the present invention Figure 3 A partial enlarged view of the middle A; Figure 5 The local structure of the present invention is three-dimensional Figure 2 ; Figure 6 A three-dimensional diagram of the intermittent turning and deburring mechanism and the blowing assembly of the present invention; Figure 7 A three-dimensional diagram of a destaticizing unit according to the present invention; Figure 8 It is a three-dimensional diagram of the sliding seat moving state of the present invention.

[0017] In the figure: 1, base; 2, slide seat; 3, electric telescopic rod; 4, fixed seat; 5, L-shaped arm; 6, intermittent turning and deburring mechanism; 7, motor 1; 8, blow-off assembly; 9, anti-static unit; 10, slide rail; 11, mounting seat; 12, rod seat; 13, screw rod; 14, motor 2; 15, spindle box; 16, chuck; 61, L-shaped plate; 62, horizontal seat; 63, square seat; 64, horizontal rod; 65, T-shaped sleeve; 66, vertical rod; 67, slider; 68, rotating seat; 6 9. Sliding rod; 610. L-shaped seat; 611. Spring; 612. Vertical plate; 613. Turning tool; 614. Scraper; 81. Box body 1; 82. Through slot; 83. Wind shield; 84. Box body 2; 85. Oblique block; 86. Fan; 91. Rack; 92. Rotating rod 1; 93. Gear 1; 94. Rotating rod 2; 95. Gear 2; 96. Flip rod; 97. Square plate; 98. Conductive bristles; 99. Pulley; 910. Belt; 911. Limit rod; 912. Shrapnel. DETAILED DESCRIPTION

[0018] 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.

[0019] The present invention provides three technical solutions, including the following embodiments: Example 1: Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 8A sunken roller turning mechanism includes a base 1, a horizontally sliding slide 2 is arranged on the top of the base 1, a slide rail 10 is installed on the top of the base 1, the slide 2 slides on the slide rail 10, a mounting seat 11 is fixed to the bottom of the slide 2, two rod seats 12 are fixed on one side of the base 1, a screw rod 13 is rotatably connected between the opposite sides of the two rod seats 12, a motor 14 is fixed on one side of the rod seat 12, the motor 14 is a three-phase asynchronous motor, can be forward and reversed, is controlled by an external switch, and is electrically connected to an external power supply, the motor 14 drives the screw rod 13 to rotate, and the output end of the motor 14 is connected through a coupling The electric telescopic rod 3 is fixed to one end of the screw rod 13, one end of the screw rod 13 passes through the mounting seat 11 and extends to the outside of the mounting seat 11, the outer surface of the screw rod 13 is threadedly connected to the inner surface of the mounting seat 11, the top of the slide seat 2 is fixed with an electric telescopic rod 3, the electric telescopic rod 3 is controlled by an external switch and is electrically connected to an external power supply, the setting of the electric telescopic rod 3 can drive the turning tool 613 to move up and down, thereby controlling the depth during turning, the output end of the electric telescopic rod 3 is fixed with a fixed seat 4, one side of the fixed seat 4 is fixed with an L-shaped arm 5, and the L-shaped arm 5 is provided with an intermittent turning and deburring mechanism 6 to prevent overheating during long-term turning; The intermittent turning and deburring mechanism 6 includes an L-shaped plate 61 fixed to one side of the L-shaped arm 5, a horizontal seat 62 is fixed to one side of the L-shaped plate 61, two square seats 63 are fixed to one side of the horizontal seat 62, a horizontal rod 64 is fixed between the opposite sides of the two square seats 63, a T-shaped sleeve 65 is slidably connected to the horizontal rod 64, a vertical rod 66 is fixed to the bottom of the T-shaped sleeve 65, a slider 67 is slidably connected to the vertical rod 66, a rotating seat 68 is rotatably connected to one side of the L-shaped plate 61, a motor 7 is fixed to the other side of the L-shaped plate 61, the motor 7 drives the rotating seat 68 to rotate, the output end of the motor 7 is fixed to one side of the rotating seat 68, and the motor 7 is fixed to the output end of the motor 7. 7 is controlled by an external switch and electrically connected to an external power supply. The inner surface of the rotating seat 68 is slidably connected with a slide bar 69. An L-shaped seat 610 is fixed at one end of the slide bar 69. A spring 611 is sleeved on the slide bar 69. One side of the L-shaped seat 610 is rotatably connected to one side of the slider 67 through a rotating shaft. A vertical plate 612 is fixed to one side of the slider 67. A turning tool 613 is installed at the bottom of the vertical plate 612. When the turning tool 613 is lowered to the bottom, it can be used to turn the inner wall of the sinking roller. The vertical plate 612 is provided with a scraper 614. When the scraper 614 rises to the top, it can be used to scrape off the burrs on the inner wall of the sinking roller after turning.

[0020] One end of the spring 611 is fixed to one side of the L-shaped seat 610 , and the other end of the spring 611 is fixed to one side of the rotating seat 68 .

[0021] By setting up the intermittent turning and deburring mechanism 6, the turning tool 613 moves in a rectangular trajectory inside the sinking roller. When the turning tool 613 moves to the bottom and moves horizontally, the inner wall of the sinking roller is turned. When the turning tool 613 moves upward, the turning tool 613 is separated from the inner wall of the sinking roller, thereby effectively avoiding the overheating phenomenon caused by the long-term contact of the turning tool 613 with the sinking roller, effectively avoiding the thermal deformation of the turning tool 613, and improving the turning accuracy. After the turning tool 613 moves upward, the scraper 614 contacts the inner wall of the sinking roller. As the sinking roller rotates, the burrs after turning are automatically scraped off. The setting of this mechanism not only realizes the automatic integration of turning and deburring, but also effectively avoids the overheating phenomenon caused by the long-term operation of the turning tool 613 and the scraper 614, thereby extending the service life of the turning tool 613 and the scraper 614.

[0022] A spindle box 15 is fixed on the top of the base 1, and a motor is arranged inside the spindle box 15. The motor drives the spindle to rotate, and the spindle drives the sinking roller clamped on the chuck 16 to rotate, providing power for turning. A chuck 16 for clamping and fixing the sinking roller is fixed on the driving shaft of the spindle box 15. The chuck 16 is the existing technology, and four claws are arranged on the chuck 16. The claws are driven by the cylinder and the connecting rod to radially contract and clamp the sinking roller.

[0023] Example 2: Based on Example 1, see Figure 3-Figure 6 As shown, a blowing assembly 8 is provided on the vertical plate 612, and the blowing assembly 8 is used to blow away the debris accumulated in the sinking roller, and to scrape and blow away the burrs on the inner wall of the sinking roller. The blowing assembly 8 includes a box body 81 fixed on the vertical plate 612, and a through groove 82 is formed through the bottom of the box body 81. The through groove 82 allows the wind blown by the fan 86 to pass through and act on the inner wall of the sinking roller to blow away the chips after turning. A windshield block 83 is fixed inside the box body 81, and the side of the windshield block 83 in contact with the wind is set as an inclined surface. The setting of the surface allows the wind to blow out of the through slot 82 obliquely downward, thereby allowing the debris to be blown out better. A box body 84 is fixed on the top of the vertical plate 612. The box body 84 is used to collect the scraped burrs. The scraper 614 is fixed on the bottom wall of the box body 84. Two inclined blocks 85 are fixed on the bottom wall of the box body 84. The setting of the inclined blocks 85 allows the burrs to be blown out obliquely upward. A fan 86 is installed on one side of the box body 84 and the box body 1 81. Two fans 86 are installed here. The fan 86 is controlled by an external switch and is electrically connected to an external power supply.

[0024] By setting up the blowing component 8, after the burrs are scraped off by the scraper 614, they are collected by the box body 84. After the box body 84 is driven by the intermittent turning and scraping burr mechanism 6 to move out of the sinking roller, the fan 86 is used to blow away the burrs. In this process, the fan 86 on the box body 1 81 is started to blow out oblique wind outward to blow away the metal debris after turning, thereby realizing the rapid discharge of metal debris and burrs. For deeper sinking rollers, this component is effective and does not require manual cleaning. It effectively prevents the accumulation of high-temperature metal debris and accelerates heat dissipation.

[0025] Example 3: Based on Example 2, see Figure 3 , Figure 4 , Figure 5 , Figure 7 As shown, a destaticizing unit 9 is provided between the L-shaped plate 61 and the slider 67. The destaticizing unit 9 is used to remove static electricity from the turning tool 613 to prevent the turning tool from absorbing debris after turning. The destaticizing unit 9 includes a rack 91 fixed on one side of the slider 67, and a rotating rod 92 is rotatably connected to one side of the L-shaped plate 61.

[0026] A gear 1 93 is fixed to one end of the rotating rod 1 92, and a rotating rod 2 94 is rotatably connected to one side of the L-shaped plate 61. A gear 2 95 is fixed to one end of the rotating rod 2 94. Gear 1 93 meshes with gear 2 95, and gear 1 93 meshes with the rack 91. A flip rod 96 is also rotatably connected to one side of the L-shaped plate 61, and a square plate 97 is fixed to one end of the flip rod 96.

[0027] A plurality of conductive bristles 98 are fixed on one side of the square plate 97. The conductive bristles 98 are made of metal wires, such as stainless steel fibers, and have good conductivity and can quickly conduct static electricity. Pulleys 99 are fixed on the flip rod 96 and the second rotating rod 94. The two pulleys 99 are connected by a belt 910. The setting of the pulley 99 and the belt 910 can drive the flip rod 96 and the second rotating rod 94 to rotate synchronously. A limit rod 911 is fixed on the flip rod 96. One side of the L-shaped plate 61 A spring sheet 912 is fixed, and the setting of the spring sheet 912 allows the limiting rod 911 to be located above the spring sheet 912 in a natural state. When the flip rod 96 rotates, the limiting rod 911 rotates synchronously to squeeze the spring sheet 912. The spring sheet 912 deforms to allow the limiting rod 911 to pass through. The setting of the limiting rod 911 and the spring sheet 912 can ensure that the conductive bristles 98 can remain facing away from the turning tool 613 when not in use, and the bottom of the limiting rod 911 contacts and squeezes the top of the spring sheet 912.

[0028] By setting up the anti-static unit 9 and linking with the intermittent turning deburring mechanism 6, the conductive bristles 98 can be automatically flipped over, and the conductive bristles 98 can be flipped over to contact the turning tool 613, thereby removing the static electricity on the turning tool 613, effectively preventing metal debris from being adsorbed on the turning tool 613 due to air blowing, thereby improving the stability of the turning tool 613 during turning and improving the processing accuracy.

[0029] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0030] During operation, the sinking roller is clamped on the chuck 16, and then the motor inside the spindle box 15 is started, so that the spindle drives the sinking roller to rotate, and then the motor 14 is started, the motor 14 drives the screw rod 13 to rotate, the screw rod 13 drives the mounting seat 11 and the slide seat 2 to move to the left, and the turning tool 613 is moved into the inside of the sinking roller to turn the inner wall of the sinking roller, and the motor 17 is started, the motor 17 drives the rotating seat 68 to rotate, and then the slide bar 69 rotates, and then the slider 67 is driven to slide up and down on the vertical rod 66, and then the T-shaped sleeve 65 is driven to slide left and right on the cross bar 64, so that the slider 67 moves in a rectangular trajectory, when the slider 67 moves to the left at the bottom, it drives the turning tool 613 to contact and turn the inner wall of the sinking roller, and when the slider 67 moves upward, the turning tool 613 is separated from the inner wall of the sinking roller, thereby effectively preventing the turning tool 61 3. The slider 67 is in contact with the inner wall of the sinking roller for a long time to prevent the turning tool 613 from overheating. When the top of the slider 67 moves to the right, it drives the scraper 614 to contact the inner wall of the sinking roller. As the sinking roller rotates, the scraper 614 scrapes off the burrs on the inner wall of the sinking roller after turning and falls into the box body 2 84. When the box body 2 84 moves out of the sinking roller to the right, the fan 86 is started to blow out the burrs in the box body 2 84. At the same time, the fan on the box body 1 81 is started. The wind blows downward obliquely through the through slot 82 to blow out the debris inside the sinking roller. When the slider 67 is located at the far right and moves downward, the rack 91 drives the gear 1 93 and the gear 2 95 to rotate, and the gear 2 95 drives the flip rod 96 and the conductive bristles 98 to rotate. After the conductive bristles 98 rotate, they contact the turning tool 613 to guide away the static electricity on the turning tool 613 to prevent the turning tool 613 from absorbing debris.

[0031] The embodiments of the invention are described in detail above, but the contents are only preferred embodiments of the invention and cannot be considered to limit the scope of implementation of the invention. All equivalent changes and improvements made according to the scope of application of the invention should still fall within the scope of the patent coverage of the invention.

Claims

1. A sunken roller turning mechanism, comprising a base (1), characterized in that: A horizontally sliding slide (2) is arranged on the top of the base (1); an electric telescopic rod (3) is fixed on the top of the slide (2); a fixed seat (4) is fixed to the output end of the electric telescopic rod (3); an L-shaped arm (5) is fixed to one side of the fixed seat (4); and an intermittent turning and deburring mechanism (6) is arranged on the L-shaped arm (5) to prevent overheating due to long-term turning; The intermittent turning and deburring mechanism (6) comprises an L-shaped plate (61) fixed to one side of the L-shaped arm (5), a horizontal seat (62) fixed to one side of the L-shaped plate (61), two square seats (63) fixed to one side of the horizontal seat (62), a horizontal rod (64) fixed between opposite sides of the two square seats (63), a T-shaped sleeve (65) slidably connected to the horizontal rod (64), a vertical rod (66) fixed to the bottom of the T-shaped sleeve (65), a slider (67) slidably connected to the vertical rod (66), and the L-shaped plate (61) ) is rotatably connected to a rotating seat (68) on one side, a sliding rod (69) is slidably connected to the inner surface of the rotating seat (68), an L-shaped seat (610) is fixed to one end of the sliding rod (69), a spring (611) is sleeved on the sliding rod (69), one side of the L-shaped seat (610) is rotatably connected to one side of the sliding block (67) via a rotating shaft, a vertical plate (612) is fixed to one side of the sliding block (67), a turning tool (613) is installed at the bottom of the vertical plate (612), and a scraper (614) is provided on the vertical plate (612).

2. A sunken roller turning mechanism according to claim 1, characterized in that: One end of the spring (611) is fixed to one side of the L-shaped seat (610), and the other end of the spring (611) is fixed to one side of the rotating seat (68). A motor 1 (7) is fixed to the other side of the L-shaped plate (61), and the motor 1 (7) drives the rotating seat (68) to rotate.

3. The sunken roller turning mechanism according to claim 1, characterized in that: A blowing assembly (8) is provided on the vertical plate (612), and the blowing assembly (8) is used to blow away debris accumulated in the sinking roller, and to scrape and blow away burrs on the inner wall of the sinking roller. The blowing assembly (8) comprises a box body (81) fixed on the vertical plate (612), a through groove (82) is provided through the bottom of the box body (81), a wind shield (83) is fixed inside the box body (81), a box body (84) is fixed on the top of the vertical plate (612), the scraper (614) is fixed on the bottom wall of the box body (84), two inclined blocks (85) are fixed on the bottom wall of the box body (84), and a fan (86) is installed on one side of the box body (84) and the box body (81).

4. The sunken roller turning mechanism according to claim 1, characterized in that: A destaticizing unit (9) is provided between the L-shaped plate (61) and the slider (67), the destaticizing unit (9) being used to remove static electricity from the turning tool (613) to prevent the turning tool (613) from absorbing debris after turning, the destaticizing unit (9) comprising a rack (91) fixed to one side of the slider (67), and a rotating rod 1 (92) being rotatably connected to one side of the L-shaped plate (61).

5. A sunken roller turning mechanism according to claim 4, characterized in that: One end of the rotating rod 1 (92) is fixed with a gear 1 (93); one side of the L-shaped plate (61) is rotatably connected to the rotating rod 2 (94); one end of the rotating rod 2 (94) is fixed with a gear 2 (95); the gear 1 (93) meshes with the gear 2 (95); the gear 1 (93) meshes with the rack (91); one side of the L-shaped plate (61) is also rotatably connected to a flip rod (96); one end of the flip rod (96) is fixed with a square plate (97).

6. A sunken roller turning mechanism according to claim 5, characterized in that: A plurality of conductive bristles (98) are fixed to one side of the square plate (97); a pulley (99) is fixed to the flip rod (96) and the second rotating rod (94); the two pulleys (99) are connected to each other by a belt (910); a limit rod (911) is fixed to the flip rod (96); a spring sheet (912) is fixed to one side of the L-shaped plate (61); the bottom of the limit rod (911) is in contact and extrusion with the top of the spring sheet (912).

7. The sunken roller turning mechanism according to claim 1, characterized in that: A slide rail (10) is installed on the top of the base (1), the slide seat (2) slides on the slide rail (10), a mounting seat (11) is fixed on the bottom of the slide seat (2), two rod seats (12) are fixed on one side of the base (1), a screw rod (13) is rotatably connected between the opposite sides of the two rod seats (12), a second motor (14) is fixed on one side of the rod seat (12), the second motor (14) drives the screw rod (13) to rotate, one end of the screw rod (13) passes through the mounting seat (11) and extends to the outside of the mounting seat (11), and the outer surface of the screw rod (13) is threadedly connected to the inner surface of the mounting seat (11).

8. The sunken roller turning mechanism according to claim 1, characterized in that: A main spindle box (15) is fixed on the top of the base (1), and a chuck (16) for clamping and fixing the sinking roller is fixed on the driving shaft of the main spindle box (15).

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