High specific gravity alloy automatic hammer sunburst finishing electric spindle type device

Abstract

This invention relates to the field of precision machining equipment technology, specifically to an electric spindle-type machine for high-density alloy automatic hammer sunburst finish. The aim is to provide an electric spindle-type machine for high-density alloy automatic hammer sunburst finish, which should feature high working efficiency and good product quality. The technical solution is an electric spindle-type machine for high-density alloy automatic hammer sunburst finish, comprising a spindle for grinding the automatic hammer, a clamping unit for positioning the automatic hammer, a leveling unit for shaping the automatic hammer, an adjustment unit for adjusting the spindle angle, and a lifting unit for driving the spindle up and down.

Description

Technical Field

[0001] This invention relates to the field of precision machining equipment technology, specifically to a high-density alloy automatic hammer sunburst finish electric spindle machine. Background Technology

[0002] High-density alloy automatic rotors are crucial components in mechanical watches. The surface of these rotors requires meticulous decorative finishing, with sunburst finish being a common choice. The processing of sunburst requires extremely high precision and stability to ensure a uniform, delicate, and aesthetically pleasing finish.

[0003] Traditional automatic hammer sunburst finish for watches often uses a simple bench drill with a manual feed handle (such as...). Figure 15 As shown in the image, grinding is completed by manually controlling the spindle to move up and down. This is a semi-manual, rough processing method with the following obvious defects: 1. Manual feed operation relies entirely on feel, and the feed speed, pressure, and depth are unstable, resulting in uneven depth and density of sunburst patterns, making it impossible to guarantee consistency.

[0004] 2. Simple bench drills have large spindle runout, large speed fluctuations, and weak rigidity, which easily leads to vibration, resulting in problems such as chatter marks, random marks, scratches, burrs, and inconsistent textures.

[0005] 3. The machining process lacks speed control, feed rate closed-loop control, and automation. All parameters are adjusted temporarily based on experience, resulting in low automation and an inability to solidify process parameters.

[0006] 4. The inability to establish a stable process library leads to significant quality fluctuations after personnel or material changes, making it difficult to meet the finishing requirements of high-end watches.

[0007] 5. Workers are prone to fatigue from repetitive operations over long periods of time, which further exacerbates processing errors and makes it unsuitable for industrial mass production. Summary of the Invention

[0008] The purpose of this invention is to overcome the shortcomings in the above-mentioned background technology and provide a high-density alloy automatic hammer sunburst finishing electric spindle equipment, which should have the characteristics of high working efficiency and good product quality.

[0009] The technical solution of this invention is: The high-density alloy automatic hammer sunburst finishing electric spindle equipment includes a spindle for grinding the automatic hammer, a clamping unit for positioning the automatic hammer, a leveling unit for shaping the automatic hammer, an adjustment unit for adjusting the spindle angle, and a lifting unit for driving the spindle to rise and fall.

[0010] The clamping unit includes a rotary motor, a clamping base, a rotating seat rotatably positioned on the clamping base, a support platform fixed on the rotating seat, and a pulley assembly connecting the rotary motor and the rotating seat; the top surface of the support platform is provided with a first positioning block and a second positioning block.

[0011] The leveling unit includes a rotary lifting cylinder, a support arm connected to the piston rod of the rotary lifting cylinder, a pressure rod that can be vertically slidably positioned at the front end of the support arm, a pressure block disposed at the bottom end of the pressure rod, and a spring disposed between the pressure block and the support arm; the bottom surface of the pressure block is provided with a leveling block.

[0012] The adjustment unit includes a Y-axis adjustment mechanism for adjusting the Y-axis angle of the spindle, an X-axis adjustment mechanism for adjusting the X-axis angle of the spindle, a Y-axis measuring mechanism for measuring the Y-axis angle of the spindle, and an X-axis measuring mechanism for measuring the X-axis angle of the spindle.

[0013] The Y-axis adjustment mechanism includes a Y-axis adjustment block, a spindle clamp rotatably positioned on the Y-axis adjustment block, and a Y-axis locking assembly for locking the spindle clamp; the X-axis adjustment mechanism includes an X-axis adjustment block, an X-axis connecting block rotatably positioned on the X-axis adjustment block, and an X-axis locking assembly for locking the X-axis connecting block; the spindle is fixed to the spindle clamp; the Y-axis adjustment block is fixed to the X-axis connecting block.

[0014] The Y-axis measuring mechanism includes a Y-axis anti-loosening bolt and a Y-axis differential instrument, which are mounted on the top of the Y-axis adjusting block via a Y-axis measuring bracket.

[0015] The X-axis measuring mechanism includes an X-axis anti-loosening bolt and an X-axis differential instrument, which are mounted on the top of the X-axis adjusting block via an X-axis measuring bracket.

[0016] The lifting unit includes a lifting base, a lifting motor, a lifting assembly connected to the X-axis adjusting block, a lead screw assembly that transmits power from the lifting motor to the X-axis adjusting block, and a sensor that detects the position of the main shaft.

[0017] It also includes a controller that electrically connects to a rotary motor, a rotary lifting cylinder, a lifting motor, a sensor, and a spindle.

[0018] The beneficial effects of this invention are: This invention abandons the traditional bench drill structure and adopts a precision electric spindle as the core drive unit, structurally eliminating spindle axial movement and radial runout, significantly improving spindle rotation accuracy and operational stability. By optimizing feed drive and positioning clamping, it achieves precise control of machining feed speed, pressure, and stroke, ensuring uniformity, consistent depth, and centered center of the sunburst pattern. This greatly improves the surface finishing quality and machining consistency of high-density alloy automatic hammers, reduces manual operation intensity, and meets the large-scale, standardized finishing needs of high-end watch parts. It overcomes many shortcomings of existing equipment, such as low machining accuracy, poor spindle rigidity, significant axial movement, poor pattern consistency, and high reliance on manual labor. Attached Figure Description

[0019] The following describes some specific embodiments of the invention in a detailed manner by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or components.

[0020] Figure 1 This is one of the three-dimensional structural schematic diagrams of the present invention.

[0021] Figure 2 This is the second three-dimensional structural schematic diagram of the present invention.

[0022] Figure 3 This is a schematic diagram of the main structure of the present invention.

[0023] Figure 4 This is a schematic diagram of the left-side structure of the present invention.

[0024] Figure 5 This is a three-dimensional structural diagram of the leveling unit of the present invention.

[0025] Figure 6 This is a three-dimensional structural diagram of the clamping unit of the present invention.

[0026] Figure 7 This is a cross-sectional structural diagram of the clamping unit of the present invention.

[0027] Figure 8 This is a three-dimensional structural diagram of the support platform of the clamping unit of the present invention.

[0028] Figure 9 This is a three-dimensional structural diagram of an automatic hammer.

[0029] Figure 10 This is a schematic diagram of the positioning method of the automatic hammer.

[0030] Figure 11 This is a three-dimensional structural diagram of the adjustment unit, lifting unit, and main shaft of the present invention.

[0031] Figure 12 yes Figure 11Exploded view.

[0032] Figure 13 This is an exploded view of the Y-axis adjustment mechanism of the present invention.

[0033] Figure 14 This is a cross-sectional structural schematic diagram of the Y-axis adjustment mechanism of the present invention.

[0034] Figure 15 This is an exploded view of the X-axis adjustment mechanism of the present invention.

[0035] Figure 16 This is a three-dimensional structural diagram of the lifting unit of the present invention.

[0036] Figure 17 This is a three-dimensional structural diagram of existing technology.

[0037] Figure 18 This is a comparison diagram between the present invention and the prior art.

[0038] Figure label: Main spindle 100, clamping unit 200, leveling unit 300, adjusting unit 400, lifting unit 500, base plate 600, automatic hammer 900; Rotary motor 201, clamp base 202, rotating seat 203, support platform 204, first positioning block 205, second positioning block 206, first pulley 211, second pulley 212, transmission belt 213, rotary lifting cylinder 301, support arm 302, pressure rod 303, pressure block 304, spring 305, first leveling block 311, second leveling block 312; Y-axis adjusting block 401, Y-axis rotating hole 401-1, Y-axis rotating shaft 402, threaded hole 402-1, spindle clamp 403, clamp arm 403-1, clamp locking bolt 403-2, clamp connecting hole 403-3, clamp positioning hole 403-4, Y-axis measuring bracket 404, Y-axis anti-loosening bolt 405, Y-axis differential 406, Y-axis locking bolt 407, Y-axis locking nut 408, X-axis adjusting block 411, X-axis locking screw hole 411-1, X-axis rotating shaft 412, X-axis connecting block 413, X-axis rotating hole 413-1, X-axis adjusting groove 413-2, X-axis measuring bracket 414, X-axis anti-loosening bolt 415, X-axis differential 416, X-axis locking bolt 418; Lifting seat 501, lifting motor 502, lifting slide rail 503, lifting slider 504, lifting lead screw 505, lifting nut 506, sensor 507, sensing plate 508, center hole 901, Y-axis adjustment mechanism A, X-axis adjustment mechanism B. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0040] like Figure 1 As shown, the high-density alloy automatic hammer sunburst finishing electric spindle equipment includes a spindle 100, a clamping unit 200, a leveling unit 300, an adjustment unit 400, a lifting unit 500, and a controller.

[0041] The spindle 100 is used to grind the automatic hammer 900 (creating a sunburst pattern on the surface of the automatic hammer). The spindle 100 is a precision electric spindle, equipped with a grinding wheel for grinding. The clamping unit 200 is used to position the automatic hammer and drive it to rotate (in conjunction with the spindle for grinding). The adjustment unit is used to adjust the X-axis and Y-axis angles of the spindle. The lifting unit is used to drive the spindle to move vertically up and down. The controller (omitted in the figure) is electrically connected to the clamping unit 200, the leveling unit 300, the adjustment unit 400, and the lifting unit 500. The clamping unit 200, the leveling unit 300, the adjustment unit 400, the lifting unit, and the controller are all mounted on the base plate 600.

[0042] like Figures 6 to 10 As shown, the clamping unit includes a rotary motor 201, a clamping base 202, a rotating seat 203, a support platform 204, and a pulley assembly. Both the rotary motor 201 and the clamping base 202 are fixed to the base plate 600. The rotating seat 203 is rotatably positioned on the clamping base 202 via bearings. The pulley assembly connects the rotating shaft of the rotary motor to the rotating seat. The support platform 204 is fixed to the upper part of the rotating seat 203. The top surface of the support platform is provided with a first positioning block 205 and a second positioning block 206. When the automatic hammer is placed on the support platform, the automatic hammer is horizontally arranged, with its center hole 901 engaging the first positioning block 205, and its edge resting against the second positioning block 206. The pulley assembly includes a first pulley 211 fixed to the rotating shaft of the rotary motor 201, a second pulley 212 fixed to the rotating seat 203, and a transmission belt 213 fitted onto the first pulley 211 and the second pulley 212. The rotary motor is a speed-regulating motor.

[0043] The leveling unit is located on the side of the fixture unit. For example... Figure 5As shown, in the leveling unit, the rotary lifting cylinder 301 is vertically arranged and fixed to the base plate 600, the support arm 302 is horizontally arranged and fixed to the piston rod of the rotary lifting cylinder, the pressure rod 303 is vertically slidably positioned at the front end of the support arm, the top of the pressure rod 303 is provided with a limiting block, the bottom of the pressure rod is provided with a pressure block 304, and a spring 305 is sleeved on the pressure rod and is located between the pressure block and the support arm. The bottom surface of the pressure block is provided with a leveling block, including a first leveling block 311 and a second leveling block 312. The first leveling block 311 is arranged vertically corresponding to the center hole 901, and the three second leveling blocks 312 are arranged vertically corresponding to the hammer plate of the automatic hammer 900.

[0044] The leveling unit uses a local point-pressing method to shape the automatic hammer. The first leveling block 311 is larger than the center hole 901 of the automatic hammer, and the first leveling block 311 presses the four perimeter of the center hole 901. The second leveling block 312 presses the part close to the arc edge of the automatic hammer.

[0045] like Figures 11 to 15 As shown, the adjustment unit includes a Y-axis adjustment mechanism A, an X-axis adjustment mechanism B, a Y-axis measuring mechanism, and an X-axis measuring mechanism. The lifting unit 500, the X-axis adjustment mechanism B, and the Y-axis adjustment mechanism A are sequentially connected to the main shaft 100.

[0046] The Y-axis adjustment mechanism is used to adjust the Y-axis angle of the spindle. A Y-axis measuring mechanism is mounted on the Y-axis adjustment mechanism and is used to measure the Y-axis angle of the spindle. The X-axis adjustment mechanism is used to adjust the X-axis angle of the spindle. An X-axis measuring mechanism is mounted on the X-axis adjustment mechanism and is used to measure the X-axis angle of the spindle. The adjustment unit allows the grinding wheel of the spindle to maintain a certain angle with the automatic hammer, and the adjustment accuracy of the X-axis and Y-axis of the spindle can be accurate to 0.001 mm.

[0047] The Y-axis adjustment mechanism includes a Y-axis adjustment block 401, a spindle clamp 403 rotatably positioned on the Y-axis adjustment block 401 via a Y-axis pivot 402, and a Y-axis locking assembly for locking the spindle clamp 403. The spindle clamp includes two clamping arms 403-1, the inner side of which is an arc surface conforming to the shape of the spindle. The front ends of these two clamping arms are fixed by clamp locking bolts 403-2, thus clamping and fixing the spindle. In the Y-axis locking assembly, the Y-axis rotating shaft 402 passes through the Y-axis rotation hole 401-1 of the Y-axis adjusting block 401 and is tightly fitted with the clamping connection hole 403-3 of the spindle clamp 403. The Y-axis fixing bolt (omitted in the figure) is screwed into the clamping positioning hole 403-4 on the bottom surface of the spindle clamp 403 to hold the Y-axis rotating shaft 402 in place. The outer end of the Y-axis rotating shaft 402 is provided with a threaded hole 402-1. The Y-axis locking bolt 407 engages with the threaded hole of the Y-axis rotating shaft 402. The Y-axis locking bolt 407 also presses and fixes the Y-axis rotating shaft 402 and the Y-axis adjusting block 401 through the Y-axis locking nut 408.

[0048] The X-axis adjustment mechanism includes an X-axis adjustment block 411, an X-axis connecting block 413 rotatably positioned on the X-axis adjustment block 411 via an X-axis rotating shaft 412, and an X-axis locking assembly for locking the X-axis connecting block 413. The Y-axis adjustment block 401 is fixed to the X-axis connecting block 413. The Y-axis rotating shaft 402 is perpendicular to the X-axis rotating shaft 412. In the X-axis locking assembly, the center of the X-axis connecting block 413 is provided with an X-axis rotating hole 413-1 that mates with the X-axis rotating shaft 412. The four corners of the X-axis connecting block 413 are provided with four X-axis adjusting grooves 413-2. These four X-axis adjusting grooves 413-2 are curved in an arc and located around the X-axis rotating hole 413-1. The X-axis rotating hole 413-1 is the center of the X-axis adjusting groove 413-2. The four corners of the X-axis adjusting block 411 are provided with X-axis locking screw holes 411-1. The X-axis locking bolt 418 passes through the X-axis adjusting groove 413-2 and engages with the X-axis locking screw hole 411-1.

[0049] The Y-axis measuring mechanism includes a Y-axis anti-loosening bolt 405 and a Y-axis differential instrument 406 mounted on top of the Y-axis adjusting block 401 via a Y-axis measuring bracket 404. The Y-axis anti-loosening bolt 405 and the Y-axis differential instrument 406 are respectively mounted on both sides of the Y-axis rotating shaft 402, and the bottom end of the Y-axis anti-loosening bolt 405 and the measuring rod of the Y-axis differential instrument 406 abut against the top surface of the spindle clamp 403.

[0050] The X-axis measuring mechanism includes an X-axis anti-loosening bolt 415 and an X-axis differential instrument 416 mounted on top of the X-axis adjusting block 411 via an X-axis measuring bracket 414. The X-axis anti-loosening bolt 415 and the X-axis differential instrument 416 are respectively mounted on both sides of the X-axis rotating shaft 412, and the bottom end of the X-axis anti-loosening bolt 415 and the measuring rod of the X-axis differential instrument 416 abut against the top surface of the X-axis connecting block 413.

[0051] like Figure 16 As shown, the lifting unit includes a lifting base 501, a lifting motor 502, a lifting assembly, a lead screw assembly, and a sensor 507. The lifting base 501 is fixed to the base plate. The lifting motor 502 is fixed to the top of the base plate.

[0052] The lifting assembly guides the vertical movement of the X-axis adjusting block. The lifting assembly includes a lifting slide rail 503 vertically fixed to the lifting base and a lifting slider 504 that can slide along the lifting slide rail. The lead screw assembly transmits power from the lifting motor to the X-axis adjusting block. The lead screw assembly includes a lifting lead screw 505 rotatably positioned on the lifting base about a vertical axis and a lifting nut 506 engaging with the lead screw. The lifting lead screw 505 is coaxially connected to the shaft of the lifting motor 502. The X-axis adjusting block 411 is simultaneously fixed to both the lifting slider 504 and the lifting nut 506.

[0053] The sensor 507 is used to detect the position of the spindle 100. The sensor 507 is fixed to the lifting base 501 and is located on the side of the X-axis adjustment block. The lifting slider 504 is provided with a sensing plate 508 that cooperates with the sensor 507. The lifting motor is a servo motor, which has no axial backlash when the spindle moves vertically, and the radial runout can be reduced to within 0.001mm. Furthermore, the downward movement speed is controllable, and the movement accuracy is high, reaching within 0.002mm.

[0054] The controller is electrically connected to a rotary motor, a rotary lifting cylinder, a lifting motor, a sensor, and a main shaft. The controller is existing technology.

[0055] The operating procedure for the existing equipment is as follows: turn on the spindle (which carries a grinding wheel); place the product on the fixture and fix it; press down the handle (the spindle drives the grinding wheel to press down), and the pressing position depends entirely on the operator's experience; after the grinding wheel contacts the product, it grinds two to three times, and then the spindle is raised to return to its original position. The processing of the existing equipment basically relies entirely on the operator's visual inspection and experience.

[0056] The disadvantages of existing equipment are: 1. To process the sunburst pattern on the surface of a product, the grinding wheel driven by the spindle needs to form a certain angle with the surface of the product. However, the existing equipment can only add a shim to the bottom of the bench drill to achieve the angle tilt. The adjustment of the position depends entirely on feeling and experience. The position is uncontrollable and the accuracy cannot be guaranteed. Moreover, it is difficult to adjust back to the previous state after changing the shape. The changeover time is uncontrollable and can take up to a week.

[0057] 2. Excessive equipment clearance, with axial and radial clearance of the spindle > 0.1mm, and the Z-axis being manually operated with a handle for pressing down, resulting in skipped threads and disordered patterns on the product.

[0058] 3. The spindle speed adjustment of the equipment is limited, making it impossible to achieve precise numerical control, making it difficult to adjust product parameters, and making it impossible to form standardized management.

[0059] 4. Uncontrollable product grinding, excessive grinding revolutions, and uncertain grinding head lifting time lead to irregular patterns.

[0060] 5. Lack of shaping structure, resulting in gaps between the product and the clamp, leading to vibration marks.

[0061] The operation steps of this invention are as follows: 1. The operator places the automatic hammer on the support platform of the clamping unit for positioning.

[0062] 2. The rotating lifting cylinder of the leveling unit moves the pressure block above the automatic hammer, and then the rotating lifting cylinder drives the pressure block to press down, leveling (slightly shaping) the automatic hammer (made of copper sheet).

[0063] 3. The rotary motor of the clamping unit drives the support table to rotate. Figure 10 (In the direction of the arrow), the automatic hammer also rotates synchronously, and at the same time the main shaft starts to rotate. The lifting unit drives the main shaft to descend, and the rotation speed of the main shaft is greater than that of the automatic hammer.

[0064] 4. The spindle moves down slowly, and the grinding wheel on the spindle processes the surface of the automatic hammer to create a sunburst pattern.

[0065] 5. When the sensor detects the sensing plate, the spindle quickly returns to its original position within a set time, the automatic hammer stops rotating, and then the operator manually unloads the material.

[0066] The advantages of this invention are: 1. The spindle head has adjustable tilt angle, with an adjustment accuracy of 0.001mm.

[0067] 2. The spindle adopts a precision electric spindle with an axial and radial clearance (the clearance of the spindle's own left-right wobble and up-down movement) of <0.002mm; the Z-axis is controlled by a servo motor with a repeatability of 0.001mm.

[0068] 3. The speed, number of revolutions of the spindle and clamp motor, and the grinding head lifting time of the equipment can all be adjusted by the controller, which can form a standardized management.

[0069] 4. After the product is placed in the fixture, it is shaped by the leveling unit, which further improves the product quality.

[0070] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.

Claims

1. A high-density alloy automatic hammer sunburst finishing electric spindle machine, characterized in that: It includes a spindle (100) for grinding the automatic hammer, a clamping unit (200) for positioning the automatic hammer, a leveling unit (300) for shaping the automatic hammer, an adjustment unit (400) for adjusting the spindle angle, and a lifting unit (500) for driving the spindle to rise and fall.

2. The high-density alloy automatic hammer sunburst finishing electric spindle equipment according to claim 1, characterized in that: The clamping unit includes a rotary motor (201), a clamping base (202), a rotating seat (203) rotatably positioned on the clamping base, a support platform (204) fixed on the rotating seat, and a pulley assembly connecting the rotary motor and the rotating seat; the top surface of the support platform is provided with a first positioning block (205) and a second positioning block (206).

3. The high-density alloy automatic hammer sunburst finishing electric spindle equipment according to claim 2, characterized in that: The leveling unit includes a rotary lifting cylinder (301), a support arm (302) connected to the piston rod of the rotary lifting cylinder, a pressure rod (303) that can be vertically slidably positioned at the front end of the support arm, a pressure block (304) set at the bottom end of the pressure rod, and a spring (305) set between the pressure block and the support arm; the bottom surface of the pressure block is provided with a leveling block.

4. The high-density alloy automatic hammer sunburst finishing electric spindle equipment according to claim 3, characterized in that: The adjustment unit includes a Y-axis adjustment mechanism (A) for adjusting the Y-axis angle of the spindle, an X-axis adjustment mechanism (B) for adjusting the X-axis angle of the spindle, a Y-axis measuring mechanism for measuring the Y-axis angle of the spindle (100), and an X-axis measuring mechanism for measuring the X-axis angle of the spindle (100).

5. The high-density alloy automatic hammer sunburst finishing electric spindle equipment according to claim 4, characterized in that: The Y-axis adjustment mechanism (A) includes a Y-axis adjustment block (401), a spindle clamp (403) rotatably positioned on the Y-axis adjustment block (401), and a Y-axis locking assembly for locking the spindle clamp (403); the X-axis adjustment mechanism (B) includes an X-axis adjustment block (411), an X-axis connecting block (413) rotatably positioned on the X-axis adjustment block (411), and an X-axis locking assembly for locking the X-axis connecting block (413); the spindle (100) is fixed to the spindle clamp (403); the Y-axis adjustment block (401) is fixed to the X-axis connecting block (413).

6. The high-density alloy automatic hammer sunburst finishing electric spindle equipment according to claim 5, characterized in that: The Y-axis measuring mechanism includes a Y-axis anti-loosening bolt (405) and a Y-axis differential instrument (406) set on top of the Y-axis adjusting block (401) via a Y-axis measuring bracket (404).

7. The high-density alloy automatic hammer sunburst finishing electric spindle equipment according to claim 6, characterized in that: The X-axis measuring mechanism includes an X-axis anti-loosening bolt (415) and an X-axis differential instrument (416) mounted on top of the X-axis adjusting block (411) via an X-axis measuring bracket (414).

8. The high-density alloy automatic hammer sunburst finishing electric spindle equipment according to claim 7, characterized in that: The lifting unit includes a lifting seat (501), a lifting motor (502), a lifting assembly connected to the X-axis adjusting block (411), a lead screw assembly that transmits the power of the lifting motor to the X-axis adjusting block (411), and a sensor (507) that detects the position of the main shaft (100).

9. The high-density alloy automatic hammer sunburst finishing electric spindle equipment according to claim 8, characterized in that: It also includes a controller that electrically connects a rotary motor (201), a rotary lifting cylinder (301), a lifting motor (502), a sensor (507), and a spindle (100).

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