Cutting device for numerical control machine tool

Abstract

The utility model relates to the technical field of cutting devices, in particular to a cutting device for a numerical control machine tool, which comprises a cutting table, a fixing seat is fixedly connected to the rear side of the upper surface of the cutting table, and a cutting mechanism for cutting workpieces and a clamping mechanism for fixing the workpieces are respectively arranged on the fixing seat. When the laser cutting device works, a workpiece is placed on the cutting table, the second electric cylinder drives the laser cutting head to move downwards to be close to the workpiece so as to cut the workpiece, the first electric cylinder drives the cross-shaped sliding base to move left and right so that the left-right position of the laser cutting head can be adjusted, and the first motor drives the lead screw to rotate. Before cutting, a screw rod is driven to rotate through a motor II, so that two T-shaped blocks are close to each other to drive clamping plates to be close to each other to clamp and fix a workpiece, and the laser cutting head is driven to move back and forth along the outer side wall of the screw rod; and the situation that the cutting precision is affected due to displacement, deviation and the like of the workpiece can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting device technical field, concretely is a kind of cutting device for numerical control machine tool. BACKGROUND

[0002] Numerical control machine tool is the abbreviation of digital control machine tool, is a kind of automatic machine tool equipped with program control system;Numerical control machine tool is composed of information carrier, numerical control device, servo system, machine tool body and measurement feedback device etc., relative to general ordinary machine tool, numerical control machine tool is high in machining precision, high in production efficiency, product quality is stable, the system has the highly automated characteristics, can realize the machining of the complex surface that general ordinary machine tool is difficult to complete or cannot realize.

[0003] Laser cutting technology is widely used in numerical control machine tool due to its high precision and high efficiency, however, in the laser cutting process, the workpiece such as metal plate waiting for cutting may appear displacement, deviation and other situations and affect the cutting precision, resulting in cutting work being adversely affected;Therefore, a kind of cutting device for numerical control machine tool is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of cutting device for numerical control machine tool to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of cutting device for numerical control machine tool, including cutting table, the upper surface rear side of the cutting table is fixedly connected with fixed seat, the fixed seat is respectively equipped with cutting mechanism for cutting workpiece and clamping mechanism for fixing workpiece;

[0006] The cutting mechanism includes cross slide groove, the cross slide groove is opened in the inside upper side of the fixed seat, the inner side wall of the cross slide groove is slidably connected with cross slide base, the left side wall upper portion of the fixed seat is installed with electric cylinder one, the piston rod one end of the electric cylinder one is fixedly connected to the left side wall of the cross slide base, the front surface of the cross slide base is fixedly connected with mounting bracket, the inner side wall of the mounting bracket is rotatably connected with lead screw through bearing, the front surface of the mounting bracket is installed with motor one, the output shaft one end of the motor one penetrates the front surface of the mounting bracket and is fixedly connected with the front end of the lead screw, the outer side wall of the lead screw is threadedly connected with nut base, the lower surface of the nut base is installed with electric cylinder two, the piston rod one end of the electric cylinder two is fixedly connected with round plate, the lower surface of the round plate is installed with laser cutting head;

[0007] The clamping mechanism includes a T-shaped slot, which is arranged at the bottom of the front surface of the fixed seat, the inner side wall of the T-shaped slot is symmetrically connected with two T-shaped blocks in sliding mode, the inner side wall of the T-shaped slot is rotationally connected with a screw rod through a bearing, the screw rod is threadedly connected with the T-shaped blocks, the screw threads arranged in the two T-shaped blocks are opposite in direction, a second motor is installed at the bottom of the left side wall of the fixed seat, the left end of the screw rod penetrates through the left side wall of the fixed seat and is fixedly connected with one end of the output shaft of the second motor, the front surface of the T-shaped block is fixedly connected with a connecting rod, and the front end of the connecting rod is fixedly connected with a clamping plate.

[0008] As a further preferred aspect of the technical solution: the inner side wall of the mounting frame is symmetrically fixedly connected with two positioning rods, and the positioning rods are slidably connected with the nut seat.

[0009] As a further preferred aspect of the technical solution: the opposite sides of the two clamping plates are both bonded with rubber pads.

[0010] As a further preferred aspect of the technical solution: the outer side wall of the cutting table is provided with a fixing mechanism at the bottom, the fixing mechanism includes a connecting block, the outer side wall of the cutting table is symmetrically fixedly connected with four connecting blocks at the bottom, the upper surface of the connecting block is threadedly connected with a top rod, and the bottom end of the top rod is rotationally connected with a top plate through a bearing.

[0011] As a further preferred aspect of the technical solution: the top end of the top rod is fixedly connected with a handle.

[0012] As a further preferred aspect of the technical solution: the cutting table is uniformly provided with rollers at the lower surface, and the outer side wall of the cutting table is symmetrically fixedly connected with two push handles at the upper portion.

[0013] As a further preferred aspect of the technical solution: the left side wall of the fixed seat is provided with a control panel near the side of the second motor, and the electrical output end of the control panel is electrically connected with the electrical input end of the first electric cylinder, the first motor, the second electric cylinder and the second motor through wires.

[0014] Compared with the prior art, the technical solution has the advantages that:

[0015] The utility model discloses a workpiece is placed on cutting table, through electric cylinder two drive laser cutting head to move down close to workpiece, and through electric cylinder one drive cross slide left and right movement can adjust the left and right position of laser cutting head, and through motor one drive screw rod rotation, can make nut seat along the outside wall of screw rod move back and forth, thereby drive laser cutting head moves back and forth, realize the change of cutting position, and before cutting, through motor two drive screw rotation, make two T -shaped block close to each other drive clamping plate close to each other and hold workpiece fixed, can avoid workpiece to appear displacement, deviation etc. and influence the precision of cutting, improved the accuracy of cutting. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the left view structural schematic drawing of the utility model;

[0017] Figure 2 It is the front view structural schematic drawing of the utility model;

[0018] Figure 3 It is the section view structural schematic drawing of certain angle fixed seat in the utility model;

[0019] Figure 4 It is the section view structural schematic drawing of another angle fixed seat in the utility model;

[0020] Figure 5 It is the A area structure enlarged view in the utility model Figure 1 .

[0021] In the drawing:

[0022] 1, cutting table, 2, fixed seat, 3, cutting mechanism, 4, clamping mechanism, 5, fixed mechanism, 6, push handle, 7, control panel, 8, gyro wheel,

[0023] 31, cross slide, 32, cross slide, 33, electric cylinder one, 34, mounting bracket, 35, screw rod, 36, motor one, 37, nut seat, 38, electric cylinder two, 39, round plate, 310, laser cutting head, 311, positioning rod,

[0024] 41, T-shaped slot, 42, T-shaped block, 43, screw rod, 44, motor two, 45, connecting rod, 46, clamping plate, 47, rubber pad,

[0025] 51, connecting block, 52, jacking rod, 53, top plate, 54, holding rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application. Obviously, the described embodiments only represent some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0027] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "set" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of cutting device for numerical control machine tool, including cutting table 1, the upper surface rear side of cutting table 1 is fixedly connected with fixed seat 2, fixed seat 2 is equipped with cutting mechanism 3 for cutting workpiece and clamping mechanism 4 for fixing workpiece respectively;

[0029] Cutting mechanism 3 includes cross slide 31, cross slide 31 is opened in the inside upper side of fixed seat 2, the inner side wall of cross slide 31 is slidably connected with cross slide 32, electric cylinder one 33 is installed on the left side wall upper portion of fixed seat 2, the piston rod one end of electric cylinder one 33 is fixedly connected to the left side wall of cross slide 32, mounting bracket 34 is fixedly connected to the front surface of cross slide 32, the inner side wall of mounting bracket 34 is rotatably connected with lead screw 35 by bearing, motor one 36 is installed on the front surface of mounting bracket 34, the output shaft one end of motor one 36 penetrates the front surface of mounting bracket 34 and is fixedly connected with the front end of lead screw 35, the outer side wall of lead screw 35 is threadedly connected with nut seat 37, electric cylinder two 38 is installed on the lower surface of nut seat 37, the piston rod one end of electric cylinder two 38 is fixedly connected with round plate 39, and laser cutting head 310 is installed on the lower surface of round plate 39;Laser cutting head 310 uses existing technology in market and is not described in detail here;

[0030] The clamping mechanism 4 comprises a T-shaped groove 41 formed in the bottom of the front surface of the fixed seat 2, the inner side wall of the T-shaped groove 41 is symmetrically and slidingly connected with two T-shaped blocks 42, the inner side wall of the T-shaped groove 41 is rotationally connected with a screw rod 43 through a bearing, the screw rod 43 is threadedly connected with the T-shaped blocks 42, the threads in the two T-shaped blocks 42 are opposite in direction, the bottom of the left side wall of the fixed seat 2 is provided with a motor two 44, the left end of the screw rod 43 penetrates through the left side wall of the fixed seat 2 and is fixedly connected with one end of the output shaft of the motor two 44, the front surface of the T-shaped block 42 is fixedly connected with a connecting rod 45, and the front end of the connecting rod 45 is fixedly connected with a clamping plate 46.

[0031] Under the above arrangement, the workpiece is placed on the cutting table 1, the laser cutting head 310 is lowered to be close to the workpiece by the electric cylinder two 38 to cut the workpiece, the left and right positions of the laser cutting head 310 are adjusted by moving the cross slide 32 left and right by the electric cylinder one 33, the laser cutting head 310 is moved forward and backward by rotating the screw rod 35 by the motor one 36, so that the nut seat 37 is moved forward and backward along the outer side wall of the screw rod 35, thereby the laser cutting head 310 is moved forward and backward to change the cutting position, and before cutting, the two T-shaped blocks 42 are moved close to each other by rotating the screw rod 43 by the motor two 44, so that the clamping plate 46 is moved close to each other to clamp and fix the workpiece, so that the displacement and deviation of the workpiece are avoided to affect the cutting precision.

[0032] In the embodiment, specifically: the inner side wall of the mounting frame 34 is fixedly connected with two positioning rods 311 symmetrically, and the positioning rods 311 are slidingly connected with the nut seat 37; the nut seat 37 slides on the outer side wall of the positioning rod 311, so that the nut seat 37 is prevented from rotating with the screw rod 35.

[0033] In the embodiment, specifically: the opposite side of each of the two clamping plates 46 is bonded with a rubber pad 47; so as to increase the friction between the workpiece and the clamping plate 46 and improve the clamping effect.

[0034] In the embodiment, specifically: the bottom of the outer side wall of the cutting table 1 is provided with a fixing mechanism 5, the fixing mechanism 5 comprises a connecting block 51, the bottom of the outer side wall of the cutting table 1 is fixedly connected with four connecting blocks 51 symmetrically, the upper surface of the connecting block 51 is threadedly connected with a top rod 52, and the bottom end of the top rod 52 is rotationally connected with a top plate 53 through a bearing; the top plate 53 is pressed against the ground by rotating the top rod 52 clockwise, so that the cutting table 1 is prevented from moving accidentally.

[0035] In the embodiment, specifically: the top end of the top rod 52 is fixedly connected with a handle 54; so as to rotate the top rod 52.

[0036] In the embodiment, specifically: the bottom of the outer side wall of the cutting table 1 is provided with a fixing mechanism 5, the fixing mechanism 5 comprises a connecting block 51, the bottom of the outer side wall of the cutting table 1 is fixedly connected with four connecting blocks 51 symmetrically, the upper surface of the connecting block 51 is threadedly connected with a top rod 52, and the bottom end of the top rod 52 is rotationally connected with a top plate 53 through a bearing; the top plate 53 is pressed against the ground by rotating the top rod 52 clockwise, so that the cutting table 1 is prevented from moving accidentally.

[0037] In the embodiment, specifically, the left side wall of the fixing base 2 is provided with a control panel 7 near the motor two 44, and the electrical output end of the control panel 7 is electrically connected with the electrical input end of the electric cylinder one 33, the motor one 36, the electric cylinder two 38 and the motor two 44 through wires respectively, so as to control the electrical equipment.

[0038] The working principle of the utility model is: the workpiece is placed on the cutting table 1, the laser cutting head 310 is driven to move down to be close to the workpiece by the electric cylinder two 38, the workpiece is cut, the laser cutting head 310 is adjusted left and right by the cross slide 32 driven by the electric cylinder one 33 to move left and right, the nut seat 37 is driven to move back and forth along the outside wall of the lead screw 35 by the motor one 36 to rotate, so that the laser cutting head 310 moves back and forth, the cutting position is changed, before cutting, the screw rod 43 is driven to rotate by the motor two 44, the two T-shaped blocks 42 are driven to move close to each other, the clamping plate 46 is driven to move close to each other, the workpiece is clamped and fixed, the workpiece is avoided to be displaced, deviation and other conditions, the cutting precision is affected, the cutting accuracy is improved.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cutting device for a numerically controlled machine tool, characterized in that: Including cutting table (1), the upper surface rear side of cutting table (1) is fixedly connected with fixed seat (2), cutting mechanism (3) for cutting workpiece and clamping mechanism (4) for fixing workpiece are respectively arranged on fixed seat (2); The cutting mechanism (3) includes a cross slide (31) which is opened in the upper side of the inside of the fixed seat (2), the inner side wall of the cross slide (31) is slidably connected with a cross slide base (32), the left side wall upper portion of the fixed seat (2) is installed with an electric cylinder one (33), the piston rod one end of the electric cylinder one (33) is fixedly connected with the left side wall of the cross slide base (32), the front surface of the cross slide base (32) is fixedly connected with a mounting bracket (34), the inner side wall of the mounting bracket (34) is rotatably connected with a lead screw (35) through a bearing, the front surface of the mounting bracket (34) is installed with a motor one (36), the output shaft one end of the motor one (36) penetrates the front surface of the mounting bracket (34) and is fixedly connected with the front end of the lead screw (35), the outer side wall of the lead screw (35) is threadedly connected with a nut base (37), the lower surface of the nut base (37) is installed with an electric cylinder two (38), the piston rod one end of the electric cylinder two (38) is fixedly connected with a round plate (39), the lower surface of the round plate (39) is installed with a laser cutting head (310). The clamping mechanism (4) includes a T-shaped groove (41) which is opened in the front surface bottom of the fixed seat (2), the inner side wall of the T-shaped groove (41) is symmetrically slidably connected with two T-shaped blocks (42), the inner side wall of the T-shaped groove (41) is rotatably connected with a screw rod (43) through a bearing, the screw rod (43) is threadedly connected with the T-shaped blocks (42), the screw threads in the two T-shaped blocks (42) are opposite in direction, the left side wall bottom of the fixed seat (2) is installed with a motor two (44), the left end of the screw rod (43) penetrates the left side wall of the fixed seat (2) and is fixedly connected with the output shaft one end of the motor two (44), the front surface of the T-shaped block (42) is fixedly connected with a connecting rod (45), the front end of the connecting rod (45) is fixedly connected with a clamping plate (46).

2. The cutting device for CNC machine tools according to claim 1, characterized in that: The inner side wall of the mounting bracket (34) is fixedly connected with two positioning rods (311) symmetrically, and the positioning rods (311) are slidably connected with the nut base (37).

3. The cutting device for CNC machine tools according to claim 2, characterized in that: Rubber pads (47) are bonded to opposite sides of the two clamping plates (46).

4. The cutting device for CNC machine tools according to claim 3, characterized in that: A fixing mechanism (5) is installed on the outer side wall bottom of the cutting table (1), the fixing mechanism (5) includes a connecting block (51), four connecting blocks (51) are fixedly connected on the outer side wall bottom of the cutting table (1) symmetrically, the upper surface of the connecting block (51) is threadedly connected with a jacking rod (52), and the bottom end of the jacking rod (52) is rotatably connected with a top plate (53) through a bearing.

5. The cutting device for CNC machine tools according to claim 4, characterized in that: The top end of the jacking rod (52) is fixedly connected with a handle rod (54).

6. The cutting device for CNC machine tools according to claim 5, characterized in that: The lower surface of the cutting table (1) is uniformly provided with rollers (8), and the outer side wall upper part of the cutting table (1) is symmetrically and fixedly connected with two push handles (6).

7. The cutting device for CNC machine tools according to claim 6, characterized in that: The left side wall of the fixed seat (2) is provided with a control panel (7) close to one side of the motor two (44), and the electrical output end of the control panel (7) is electrically connected with the electrical input end of the electric cylinder one (33), the motor one (36), the electric cylinder two (38) and the motor two (44) through wires.

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