Multi-wire cutting machine achieving feeding action through movement of cutting wire net

Abstract

A multi-wire cutting machine achieving feeding action through movement of a cutting wire net is provided with a base, a machine frame, a workbench, a cutting feeding system, a wiring system and a control system, the base is horizontally arranged, the machine frame and the workbench are installed on the base, the cutting feeding system and the machine frame are assembled, and the wiring system is arranged on the base and the machine frame; the cutting feeding system comprises a lifting seat, a lifting motor and a lead screw nut transmission mechanism, the lifting motor is installed on the top of the rack, and the lifting seat is driven by the lead screw nut transmission mechanism to move up and down; the routing system comprises a cutting wire, a pay-off mechanism, a guide wheel, a tensioning mechanism, a grooved wheel and a take-up mechanism, the cutting wire bypasses the guide wheel and the tensioning mechanism which are arranged on the rack and is wound on the grooved wheel to form a cutting wire net, and the grooved wheel is mounted on the lifting seat. According to the multi-wire cutting device, cutting operation of large graphite material workpieces is achieved, and the purposes of simplifying the structure of multi-wire cutting equipment and improving the machining quality of the workpieces are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to multi -wire cutting machine technical field, concretely is a kind of multi -wire cutting machine that realizes feeding action by cutting line net downward movement. BACKGROUND

[0002] Multi -wire cutting machine is a kind of cutting processing equipment that is cut into several pieces by the high-speed reciprocating movement of metal wire (cutting line), and is suitable for cutting operation of single crystal silicon, polycrystalline silicon, ceramic, graphite, glass steel fiber, composite carbon fiber and other materials.

[0003] In prior art, the cutting line of multi -wire cutting machine is guided by guide wheel, and is wound on main line roll groove wheel to form cutting line net, and in working process, cutting line high-speed reciprocating movement grinds and cuts workpiece, and after processing workpiece is clamped on worktable, the feeding of workpiece is realized by the lifting of worktable, so that the cutting operation of workpiece can be completed under the cooperation of wire system and worktable. However, when the workpiece to be cut is large graphite material, on the one hand, due to the bulkiness of workpiece, if worktable lifting mode is used to realize workpiece feeding, not only the structure of worktable is complicated, the equipment operation and maintenance cost are increased, but also the stability of workpiece feeding is difficult to guarantee, thereby affecting the cutting processing quality of workpiece, on the other hand, due to the particularity of graphite material, cutting process cannot add cutting fluid, only dry cutting mode can be adopted, and a large amount of dust will fly out in cutting process, so dust collection equipment needs to be additionally arranged. CONTENT OF UTILITY MODEL

[0004] The utility model provides a kind of multi -wire cutting machine that is moved by cutting line net, it aims at realizing the cutting operation of large graphite material workpiece by the cooperation of cutting feeding system, tensioning mechanism in wire system, worktable, dust collection system and control system, to achieve the purposes of simplifying the structure of multi -wire cutting equipment and improving workpiece processing quality.

[0005] To achieve the above-mentioned purposes, the utility model adopts the following technical solutions:

[0006] A kind of multi -wire cutting machine that is moved by cutting line net, it is equipped with base, rack, worktable, cutting feeding system, wire system and control system, the base is horizontally arranged, and rack and worktable are installed on the base, the cutting feeding system is matched with rack, and the wire system is arranged on the base and rack;

[0007] The cutting feeding system includes lifting seat, lifting motor and screw nut transmission mechanism, the lifting motor is installed on the top of rack, and the output shaft of lifting motor is vertically downward and fixedly connected with screw in screw nut transmission mechanism, and the nut in screw nut transmission mechanism is fixedly assembled with lifting seat;

[0008] The wire system comprises a cutting line, a pay-off mechanism, a guide wheel, a tensioning mechanism, a grooved wheel and a take-up mechanism, the pay-off mechanism and the take-up mechanism are arranged on the base and located on the left and right sides of the frame, the cutting line passes through the guide wheel and the tensioning mechanism arranged on the frame and is wound on the grooved wheel to form a cutting line net, the two ends of the cutting line are wound on the line wheels of the pay-off mechanism and the take-up mechanism respectively, and the grooved wheel is installed on the lifting seat of the cutting feed system.

[0009] The multi-wire cutting machine with the feed action realized by the movement of the cutting line net further comprises a lifting guide assembly, the lifting guide assembly is composed of a sliding block and a guide rail, the sliding block is fixed on the left and right sides of the lifting seat, the guide rail is fixed on the left and right side columns of the frame, the sliding block and the guide rail are matched, and the sliding block can slide up and down along the guide rail.

[0010] The multi-wire cutting machine with the feed action realized by the movement of the cutting line net, the tensioning mechanism in the wire system comprises two parts arranged symmetrically left and right, and a tensioning wheel, a swing lever and a tensioning motor are arranged in each part; the tensioning motor is fixedly installed on the frame, the output shaft of the tensioning motor is fixedly assembled with one end of the swing lever; and the tensioning wheel is installed on the other end of the swing lever.

[0011] The multi-wire cutting machine with the feed action realized by the movement of the cutting line net, the number of the grooved wheels in the wire system is four, and the grooved wheels are arranged in a rectangular array, the cutting line wound on the four grooved wheels forms a rectangular cutting line net, and the height dimension of the cutting line net is greater than the height dimension of the workpiece to be cut.

[0012] The multi-wire cutting machine with the feed action realized by the movement of the cutting line net further comprises a dust collection system, the dust collection system comprises a dust suction device and a dust collecting device; the dust suction device is arranged symmetrically left and right in two groups, and a dust receiving hopper and a negative pressure pipeline are arranged in each group, the dust receiving hopper is installed at the bottom of the lifting seat and located below the grooved wheel, and is connected with an externally provided dust suction equipment through the negative pressure pipeline; and the dust collecting device is arranged on the base and located on the left and right sides of the workbench.

[0013] The multi-wire cutting machine with the feed action realized by the movement of the cutting line net, the workbench is a forward and backward movable structure.

[0014] The multi-wire cutting machine with the feed action realized by the movement of the cutting line net, the line wheel in the pay-off mechanism adopts a pay-off motor driving mode, and the line wheel in the take-up mechanism adopts a take-up motor driving mode.

[0015] The multi-wire cutting machine with the feed action realized by the movement of the cutting line net, the lifting motor, the tensioning motor, the pay-off motor and the take-up motor are all servo motors, and the lifting motor, the tensioning motor, the pay-off motor and the take-up motor operate under the instruction of the control system.

[0016] The utility model provides a kind of multi-wire cutting machine by cutting line net motion realizes feeding action, it can be operated by lifting motor drive screw nut transmission mechanism in cutting feed system, to drive the groove wheel installed on lifting seat and the cutting line net wound on groove wheel to move downward, to realize the feeding action of cutting line net in the working process of multi-wire cutting machine;In order to guarantee the stability of cutting line tension in cutting process, servo motor is driven in the line system of the utility model left and right tensioning mechanism, the action of swing lever is controlled by servo motor, when cutting line net moves downward, cutting line between first tensioning wheel and groove wheel is in slack state, control system instructs tensioning motor to drive swing lever to incline upward to maintain the consistency of cutting line tension at this time, then wire collecting motor improves speed under the instruction of control system, and wire releasing motor reduces speed, then tensioning motor drives swing lever to incline downward to restore to horizontal state, so that cutting line between tensioning wheel and groove wheel restores normal tensioning state;The utility model also sets up dust collecting system according to the characteristics of graphite material workpiece, avoids the problem that dust flies in graphite material dry cutting process, guarantees the cleanness of equipment, and improves working environment.In short, the utility model realizes the cutting operation to large graphite material workpiece by the cooperation of cutting feed system, tensioning mechanism in line system, workbench and dust collecting system and control system, reaches the purposes of simplifying the structure of multi-wire cutting equipment and improving workpiece processing quality. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is Figure 1 K view;

[0019] Figure 3 It is cutting feed system schematic diagram;

[0020] Figure 4 It is Figure 3 After rotating 180º along vertical central axis space schematic diagram;

[0021] Figure 5 It is line system schematic diagram;

[0022] Figure 6 It is tensioning mechanism schematic diagram in line system.

[0023] Explanation of each reference numeral in the drawing:

[0024] 1 is base;

[0025] 2 is rack;

[0026] 3 is a cutting feed system, 3-1 is a lifting motor, 3-2 is a screw nut transmission mechanism, 3-2-1 is a lead screw, 3-2-2 is a nut, 3-3 is a lifting seat, 3-4 is a lifting guide assembly, 3-4-1 is a sliding block, 3-4-2 is a guide rail;

[0027] 4 is a wire running system, 4-1 is a wire unwinding mechanism, 4-2 is a guide wheel, 4-3 is a cutting wire, 4-4 is a tensioning mechanism, 4-4-1 is a tensioning wheel, 4-4-2 is a swing rod, 4-4-3 is a tensioning motor, 4-5 is a sheave, 4-6 is a wire winding mechanism;

[0028] 5 is a dust suction device;

[0029] 6 is a workpiece;

[0030] 7 is a dust collecting device;

[0031] 8 is a workbench. DETAILED DESCRIPTION

[0032] The utility model will be further explained in connection with the drawings and specific embodiments.

[0033] Referring to FIG. 1, Figure 2 The utility model provides a kind of multi-wire cutting machine by cutting wire net motion realizes feeding action, it is equipped with base 1, rack 2, workbench 8, cutting feed system 3, wire running system 4 and control system, the base 1 is horizontally arranged, rack 2 and workbench 8 are installed on base 1, the workbench is the structure that can move forward and backward, can be driven workbench forward and backward by matching servo motor, the cutting feed system 3 is matched with rack 2, the wire running system 4 is arranged on base 1 and rack 2.

[0034] Referring to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The multi-wire cutting machine by cutting wire net motion realizes feeding action of the utility model, and the cutting feed system 3 includes lifting seat 3-3, lifting motor 3-1, screw nut transmission mechanism 3-2 and lifting guide assembly 3-4;The lifting motor 3-1 is installed on the top of rack 2, and the output shaft of lifting motor 3-1 is vertically downward and is fixedly connected with the lead screw 3-2-1 in screw nut transmission mechanism 3-2, the nut 3-2-2 in screw nut transmission mechanism 3-2 is fixedly assembled with lifting seat 3-3;The lifting guide assembly 3-4 is composed of sliding block 3-4-1 and guide rail 3-4-2, the sliding block 3-4-1 is fixed on the left and right sides of lifting seat 3-3, the guide rail 3-4 is fixed on the left and right side columns of rack 2, and the sliding block 3-4-1 and the guide rail 3-4-2 are matched, and the sliding block 3-4-1 can slide up and down along the guide rail 3-4-2.

[0035] Referring toFigure 1 、 Figure 2 、 Figure 5 、 Figure 6 The multi-wire cutting machine with feeding action realized by cutting wire net movement, the wire running system 4 comprises a cutting wire 4-3, a pay-off mechanism 4-1, a guide wheel 4-2, a tensioning mechanism 4-4, a grooved wheel 4-5 and a take-up mechanism 4-6; the pay-off mechanism 4-1 and the take-up mechanism 4-6 are arranged on the base 1 and located on the left and right sides of the rack 2; the cutting wire 4-3 passes through the guide wheel 4-2 and the tensioning mechanism 4-4 arranged on the rack 2 and is wound on the grooved wheel 4-5 to form a cutting wire net, and the two ends of the cutting wire 4-3 are wound on the wire wheels of the pay-off mechanism 4-1 and the take-up mechanism 4-6 respectively; the grooved wheel 4-5 is installed on the lifting seat 3-3 of the cutting feeding system 3, the number of the grooved wheels 4-5 is four, and the grooved wheels 4-5 are arranged in a rectangular array, the cutting wire wound on the four grooved wheels 4-5 forms a rectangular cutting wire net, and the height dimension of the cutting wire net is greater than the height dimension of the workpiece 6 to be cut; the tensioning mechanism 4-4 comprises two parts arranged symmetrically left and right, and a tensioning wheel 4-4-1, a swing rod 4-4-2 and a tensioning motor 4-4-3 are arranged in each part; the tensioning motor 4-4-3 is fixedly installed on the rack 2, and the output shaft of the tensioning motor 4-4-3 is fixedly assembled with one end of the swing rod 4-4-2; the tensioning wheel 4-4-1 is installed on the other end of the swing rod 4-4-2.

[0036] Referring to Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 In the preferred embodiment of the utility model, a dust collecting system is additionally arranged, the dust collecting system comprises a dust suction device 5 and a dust collecting device 7; the dust suction device 5 is arranged symmetrically left and right with two groups, and a dust receiving hopper and a negative pressure pipeline are arranged in each group, the dust receiving hopper is installed at the bottom of the lifting seat 3-3 and located below the grooved wheel 4-5, and is connected with an externally arranged dust suction equipment through the negative pressure pipeline; the dust collecting device 7 is arranged on the base 1 and located on the left and right sides of the workbench 8.

[0037] Referring to Figure 1 、 Figure 2 、 Figure 5 In the multi-wire cutting machine with feeding action realized by cutting wire net movement, the wire wheel in the pay-off mechanism 4-1 in the wire running system 4 adopts a pay-off motor driving mode, and the wire wheel in the take-up mechanism 4-6 adopts a take-up motor driving mode.

[0038] Referring to Figures 1 to 6The multi-wire cutting machine with cutting wire net motion to realize feeding action, the cutting feeding system heavy lifting motor 3-1, the wire system heavy tensioning motor 4-4-3, the pay-off motor and the take-up motor are all servo motors, the lifting motor 3-1, the tensioning motor 4-4-3, the pay-off motor and the take-up motor are operated under the instruction of the control system.

[0039] Still referring to Figures 1 to 6 The multi-wire cutting machine with cutting wire net motion to realize feeding action is especially suitable for cutting operation of large graphite material workpiece 6. When cutting the large graphite material workpiece 6, the workpiece 6 is placed on the workbench 8 and clamped and fixed, the adjustment of the position of the workpiece 6 can be completed by moving the workbench 8 forward and backward, so that the cutting wire net is aligned with the to-be-cut area of the workpiece 6; then the multi-wire cutting equipment is started, the lifting motor 3-1 in the cutting feeding system 3 drives the screw nut transmission mechanism 3-2 to run, drives the groove wheel 4-5 installed on the lifting seat 3-3 and the cutting wire 4-3 net wound on the groove wheel to move downward, in this process, in order to ensure the stability of the tension of the cutting wire 4-3, the tensioning motor 4-4-3 of the tensioning mechanism 4-4 arranged left and right in the wire system 4 controls the action of the swing rod 4-4-2, with the downward movement of the cutting wire net, the cutting wire between the tensioning wheel 4-4-1 and the groove wheel 4-5 is in a relaxed state, at this time, the control system instructs the tensioning motor 4-4-3 to drive the swing rod 4-4-2 to swing upward, so as to maintain the consistency of the cutting wire tension, then the take-up motor increases the speed and the pay-off motor reduces the speed under the instruction of the control system, then the tensioning motor 4-4-3 drives the swing rod 4-4-2 to swing downward to restore to the horizontal state, so that the cutting wire between the tensioning wheel 4-4-1 and the groove wheel 4-5 restores to the normal tensioning state; in the above cutting operation process, the dust collecting system can collect the dust generated by dry cutting of graphite material, so as to ensure the cleanliness of the equipment and improve the working environment.

Claims

1. A multi-wire saw for realizing a feeding action by the movement of a wire net, provided with a base (1), a frame (2), a worktable (8), a cutting feeding system (3), a wire running system (4) and a control system, said base (1) being horizontally arranged, on which the frame (2) and the worktable (8) are mounted, characterized in that: The cutting feeding system (3) is matched with the frame (2), and the wiring system (4) is arranged on the base (1) and the frame (2); The cutting feeding system (3) comprises a lifting seat (3-3), a lifting motor (3-1) and a screw nut transmission mechanism (3-2), the lifting motor (3-1) is installed at the top of the frame (2), the output shaft of the lifting motor (3-1) is fixedly connected with a lead screw (3-2-1) in the screw nut transmission mechanism (3-2) vertically downward, and a nut (3-2-2) in the screw nut transmission mechanism (3-2) is fixedly assembled with the lifting seat (3-3); The wiring system (4) comprises a cutting wire (4-3), a pay-off mechanism (4-1), a guide wheel (4-2), a tensioning mechanism (4-4), a grooved wheel (4-5) and a take-up mechanism (4-6), the pay-off mechanism (4-1) and the take-up mechanism (4-6) are arranged on the base (1) and located on the left and right sides of the frame (2), the cutting wire (4-3) passes through the guide wheel (4-2) and the tensioning mechanism (4-4) arranged on the frame (2), is wound on the grooved wheel (4-5) to form a cutting wire net, and the two ends of the cutting wire (4-3) are wound on the wire wheels of the pay-off mechanism (4-1) and the take-up mechanism (4-6) respectively, and the grooved wheel (4-5) is installed on the lifting seat (3-3) of the cutting feeding system (3).

2. The multi-wire saw that achieves a feeding motion by the motion of a network of cutting lines according to claim 1, characterized in that: The cutting feeding system (3) further comprises a lifting guide assembly (3-4), the lifting guide assembly (3-4) is composed of a sliding block (3-4-1) and a guide rail (3-4-2), the sliding block (3-4-1) is fixed on the left and right sides of the lifting seat (3-3), the guide rail (3-4-2) is fixed on the left and right side columns of the frame (2), the sliding block (3-4-1) and the guide rail (3-4-2) are matched, and the sliding block (3-4-1) can slide up and down along the guide rail (3-4-2).

3. The multi-wire saw that realizes a feeding action by a motion of a wire net according to claim 1 or 2, characterized in that: The tensioning mechanism (4-4) in the wiring system comprises two parts arranged symmetrically left and right, and a tensioning wheel (4-4-1), a swing lever (4-4-2) and a tensioning motor (4-4-3) are arranged in each part; the tensioning motor (4-4-3) is fixedly installed on the frame (2), the output shaft of the tensioning motor (4-4-3) is fixedly assembled with one end of the swing lever (4-4-2), and the tensioning wheel (4-4-1) is installed at the other end of the swing lever (4-4-2).

4. The multi-wire saw that realizes a feeding action by a motion of a cutting wire net according to claim 3, characterized in that: The number of the grooved wheels (4-5) in the wiring system (4) is four, and the grooved wheels (4-5) are arranged in a rectangular array, the cutting wire wound on the four grooved wheels (4-5) forms a rectangular cutting wire net, and the height dimension of the cutting wire net is greater than the height dimension of the workpiece (6) to be cut.

5. The multi-wire saw that realizes a feeding action by a motion of a wire net according to claim 3, characterized in that: A dust collecting system is further arranged, the dust collecting system comprises a dust suction device (5) and a dust collecting device (7), two groups of the dust suction device (5) are arranged symmetrically left and right, a dust receiving hopper and a negative pressure pipeline are arranged in each group, the dust receiving hopper is installed at the bottom of the lifting seat (3-3) and located below the grooved wheel (4-5), and the dust receiving hopper is connected with an external dust suction equipment through the negative pressure pipeline, and the dust collecting device (7) is arranged on the base (1) and located on the left and right sides of the workbench (8).

6. The multi-wire saw that realizes a feeding action by a motion of a cutting wire net according to claim 5, characterized in that: The workbench (8) is a front and back movable structure.

7. The multi-wire saw that moves a feeding action by a net of cutting lines according to claim 5, characterized in that: The wire releasing mechanism (4-1) adopts a wire releasing motor driving mode, and the wire collecting mechanism (4-6) adopts a wire collecting motor driving mode.

8. The multi-wire saw that achieves a feeding motion by the motion of a network of cutting lines according to claim 7, characterized in that: The lifting motor (3-1), the tensioning motor (4-4-3), the wire releasing motor and the wire collecting motor are all servo motors, and the lifting motor (3-1), the tensioning motor (4-4-3), the wire releasing motor and the wire collecting motor operate under the instruction of a control system.

Images