Spindle distance adjusting structure of stone cutting machine

Abstract

The utility model discloses a main shaft distance adjusting structure of a stone cutting machine, which comprises two adjusting mechanisms, the two adjusting mechanisms are symmetrically arranged, the two adjusting mechanisms are connected through a main shaft roller, each adjusting mechanism comprises a servo motor, and the output end of each servo motor is connected with a double-shaft output planetary gear speed reducer. The double-shaft output planetary gear speed reducer is connected with a speed reducer fixing plate through bolts, the output ends of the two sides of the double-shaft output planetary gear speed reducer are connected with second universal couplings, the ends of the second universal couplings are connected with lead screws through first universal couplings, and the outer sides of the lead screws are in threaded connection with threaded sleeves. The threaded sleeve is connected with a bearing box through a bolt, the upper end and the lower end of the bearing box are connected with four sliding blocks respectively, and sliding rails are arranged on the inner sides of the sliding blocks in a sliding mode, and the functions that the distance between the main shafts is adjusted according to the stone size, the stability of a wire net is improved, and the height of a cutting wire bow is reduced are achieved.

Description

TECHNICAL FIELD

[0001] The utility model application relates to cutting machine technical field, specifically is a main shaft distance adjusting structure of stone cutting machine. BACKGROUND

[0002] At present, the diamond wire multi-wire cutting machine is widely used in cutting photovoltaic silicon wafer, sapphire, graphite and magnetic material industries, and with the deepening of research and development, the diamond wire multi-wire cutting machine has been gradually applied to the cutting of stone.

[0003] However, the main shaft of the existing stone multi-wire cutting machine on the market is not adjustable in distance, and the size of the stone is often irregular, when facing the stone with a short size, there is a long distance between the two ends of the stone and the cutting roller, that is, the diamond wire on a long end is not inside the stone, and the diamond wire on this end often jumps and shakes, which affects the stone cutting quality, and may even cause wire breakage, the current equipment can only increase the wire net tension to alleviate this adverse effect, but the wire net tension cannot be increased unlimitedly due to the limitation of the breaking tension of the diamond wire, so this problem has not been truly solved.

[0004] Therefore, the invention aims to design a device that can adjust the distance between the main shaft according to the size of the stone, increase the stability of the wire net, and reduce the height of the cutting wire bow. CONTENT OF THE UTILITY MODEL

[0005] In view of the deficiencies of the prior art, the utility model aims to provide a main shaft distance adjusting structure of stone cutting machine, which can adjust the distance between the main shaft according to the size of the stone, increase the stability of the wire net, and reduce the height of the cutting wire bow.

[0006] The utility model discloses the technical scheme adopted by the device is: a main shaft distance adjusting structure of stone cutting machine, it includes two adjusting mechanism, two adjusting mechanism symmetry sets up, two adjusting mechanism between through main shaft roller is connected, the adjusting mechanism includes servo motor, the output of servo motor is connected with double shaft output planetary gear reducer, double shaft output planetary gear reducer is connected with the fixed plate of speed reducer through bolt, the output of both sides of double shaft output planetary gear reducer is connected with second universal coupling, the end of second universal coupling is connected with lead screw through first universal coupling, the outside screw thread of lead screw is connected with threaded sleeve, threaded sleeve is connected with bearing box through bolt, the upper and lower both ends of bearing box are connected with four slide blocks, the inside slide of slide block is provided with slide rail, two slide rails in the upper portion are parallelly arranged and are connected with upper mounting plate, two slide rails in the lower portion are parallelly arranged and are connected with lower mounting plate, one end outside rotation of lead screw is provided with bearing seat, bearing seat is connected with lower mounting plate through bolt.

[0007] Further, the bearing boxes on the two adjusting mechanisms are connected by the main shaft roller.

[0008] Further, the end of the lead screw is provided with a limiting flange.

[0009] Further, the connecting rods are horizontally arranged, symmetrically arranged between two connecting rods on the same adjusting mechanism and exist an included angle in the same plane.

[0010] Further, the axis of the connecting rod and the axis of the lead screw are in the same plane.

[0011] Further, the upper mounting plate, the lower mounting plate and the reducer fixing plate are connected with the frame of the stone cutting machine by bolts.

[0012] Further, the two adjusting mechanisms are arranged in parallel.

[0013] The device has the following beneficial effects:

[0014] 1. The device drives the double-shaft output planetary gear reducer by the servo motor to synchronously control the connecting rods from both sides, then transmits power to the lead screw through the universal coupling, and realizes the purpose of adjusting the distance between the main shafts by driving the bearing boxes on both sides to synchronously slide through the principle of the ball screw, so that the distance between the main shafts can be adjusted according to the size of the stone, the stability of the wire net is increased, and the height of the cutting wire bow is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is the structural view of the device.

[0016] Fig. 2 is the assembly structure view of the device.

[0017] Marked with 1-Upper mounting plate;2-Sliding rail;3-Sliding block;4-Bearing box;5-Lower mounting plate;6-Bearing seat;7-First universal coupling;8-Connecting rod;9-Reducer fixing plate;10-Servo motor;11-Double-shaft output planetary gear reducer;12-Second universal coupling;13-Main shaft roller;14-Stone body. DETAILED DESCRIPTION

[0018] The device will be further described below in combination with specific embodiments, and these embodiments are only used to illustrate the device and not used to limit the scope of the device. In addition, it should be understood that after reading the content of the device, those skilled in the art can make various changes or modifications to the device, and these equivalent forms also fall within the scope defined by the appended claims.

[0019] Example one: seeFigs. 1-2 is the utility model structural view, assembly structural view, a main shaft of a stone cutting machine distance adjusting structure, it includes two adjusting mechanism, two adjusting mechanism symmetry sets up, two adjusting mechanism is connected through main shaft roller 13 between it, adjusting mechanism includes servo motor 10, servo motor 10 can be according to the signal precision control of controller gives the angle, speed, number of turns of rotation of the shaft, to accurately control the power output, the output end of servo motor 10 is connected with double shaft output planetary gear reducer 11, double shaft output planetary gear reducer 11 is connected with reducer fixed plate 9 through bolt, the output end of both sides of double shaft output planetary gear reducer 11 is connected with second universal coupling 12, the end of second universal coupling 12 is connected with lead screw through first universal coupling 7, the outside of lead screw is connected with threaded sleeve, threaded sleeve is connected with bearing box 4 through bolt, the upper and lower ends of bearing box 4 are connected with four sliding blocks 3 respectively, the inside of sliding block 3 is slidably provided with slide rail 2, two slide rails 2 located above are parallelly arranged and are connected with upper mounting plate 1, two slide rails 2 located below are parallelly arranged and are connected with lower mounting plate 5, the outside of one end of lead screw is rotatably provided with bearing seat 6, bearing seat 6 is connected with lower mounting plate 5 through bolt, when servo motor 10 rotates, power is output by servo motor 10, is transmitted to lead screw through connecting rod 8, two universal couplings, reaches lead screw, the working principle of ball screw bearing is simulated by lead screw and threaded sleeve, the action of lead screw rotation is converted into the movement of bearing box 4 along the axial direction of lead screw, the axis of lead screw is parallelly arranged with the direction of slide rail 2, the synchronous movement of two bearing boxes 4 arranged on both sides in the opposite direction or the opposite direction can be controlled synchronously by the action of servo motor 10, two adjusting mechanisms are used simultaneously, and the distance between the two main shaft rollers 13 can be adjusted by synchronous control.

[0020] the bearing box 4 of two adjusting mechanisms is connected through main shaft roller 13, in order to prevent the sliding block 3, threaded sleeve from falling off, further limit flange is arranged at the end of lead screw, for limiting the movement position of threaded sleeve along the axial direction of lead screw.

[0021] in order to reduce the occupied space of equipment, connecting rod 8 is horizontally arranged, two connecting rods 8 on the same adjusting mechanism are symmetrically arranged and exist included angle in the same plane, the axis of connecting rod 8 and the axis of lead screw are located in the same plane, which can reduce the resistance brought by universal coupling due to angle.

[0022] upper mounting plate 1, lower mounting plate 5, reducer fixed plate 9 are connected with the frame of stone cutting machine through bolt, two adjusting mechanisms are parallelly arranged.

[0023] Through the actual test use effect of the prototype, after adjusting the distance between the main shaft rollers 13 according to the size of the stone body 14 before cutting, the wire net jumping is obviously reduced compared with the traditional stone multi-wire cutting machine without distance adjusting device, there is no broken wire phenomenon for 100 hours of continuous cutting, and the surface cutting quality is obviously improved.

[0024] The utility model discloses a servo motor 10 drives double shaft output planetary gear reducer 11 from two sides synchronous control connecting rod 8 transmission power, and then through universal coupling, power transmission gives screw, through the principle of ball screw, drive both sides bearing box 4 synchronous sliding to realize the purpose of adjusting the distance between the main shaft, realize according to the size of stone material adjustment main shaft distance, increase wire net stability, reduce the height of cutting line bow's function.

Claims

1. A main shaft distance adjusting structure of a stone cutting machine, characterized by: Two adjusting mechanisms are symmetrically arranged, and the two adjusting mechanisms are connected through a main shaft roller (13), the adjusting mechanism comprises a servo motor (10), the output end of the servo motor (10) is connected with a double-shaft output planetary gear reducer (11), the double-shaft output planetary gear reducer (11) is connected with a reducer fixing plate (9) through bolts, the output ends on both sides of the double-shaft output planetary gear reducer (11) are connected with second universal joints (12), the end portions of the second universal joints (12) are connected with lead screws through first universal joints (7), the outer sides of the lead screws are threadedly connected with threaded sleeves, the threaded sleeves are connected with bearing boxes (4) through bolts, the upper and lower ends of the bearing boxes (4) are respectively connected with four sliding blocks (3), the inner sides of the sliding blocks (3) are slidably provided with slide rails (2), the two slide rails (2) located above are arranged in parallel and are connected with an upper mounting plate (1), the two slide rails (2) located below are arranged in parallel and are connected with a lower mounting plate (5), one end of the lead screw is rotatably provided with a bearing seat (6) on the outer side, and the bearing seat (6) is connected with the lower mounting plate (5) through bolts.

2. The main shaft distance adjusting structure of a stone cutting machine according to claim 1, characterized in that: The bearing boxes (4) arranged in position on the two adjusting mechanisms are connected through the main shaft roller (13).

3. The main shaft distance adjusting structure of a stone cutting machine according to claim 1, characterized in that: The end of the lead screw is provided with a limiting flange.

4. The main shaft distance adjusting structure of a stone cutting machine according to claim 1, characterized in that: The connecting rods (8) are horizontally arranged, the two connecting rods (8) located on the same adjusting mechanism are symmetrically arranged and exist an included angle in the same plane.

5. The main shaft distance adjusting structure of a stone cutting machine according to claim 4, characterized in that: The axis of the connecting rod (8) and the axis of the lead screw are located in the same plane.

6. The main shaft distance adjusting structure of a stone cutting machine according to claim 1, characterized in that: The upper mounting plate (1), the lower mounting plate (5) and the reducer fixing plate (9) are connected with the frame of the stone cutting machine through bolts.

7. The main shaft distance adjusting structure of a stone cutting machine according to claim 1, characterized in that: The two adjusting mechanisms are arranged in parallel.

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