CN106670595B - Five-axis numerical control machine tool machining device for machining screw tap threads and using method - Google Patents

Abstract

The invention discloses a five-axis numerical control machine tool machining device for machining screw tap threads and a using method thereof, which comprises a machine table, a first power mechanism and a second power mechanism, the side surface of the machine table is provided with heat dissipation holes, the table surface of the machine table is provided with an X-axis mechanism, the side surface of the X-axis mechanism is provided with a convex platform, an A-axis mechanism, a first power mechanism and a second power mechanism are arranged obliquely above the X-axis mechanism, a cutter is arranged below the first power mechanism, a fixed block is arranged on the side surface of the first power mechanism, a connecting spring is arranged below the fixed block, a linkage device is arranged on the side surface of the left side of the second power mechanism, a resin grinding wheel spindle and a diamond roller spindle are arranged on the side surface of the other end of the second power mechanism, the side of the resin grinding wheel spindle is provided with the baffle, and the device has the characteristics of stable and reliable production, high processing efficiency, product quality meeting design requirements, low price and the like.

Description

Five-axis CNC machine tool processing device and method of use for tap thread processing

technical field

The invention relates to the technical field of production and grinding of tap thread processing, in particular to a five-axis numerical control machine tool processing device and a use method for tap thread processing.

Background technique

The numerical control device is a special electronic computer that controls the machine tool and completes the automatic processing of parts. It receives the information such as digitized part drawings and process requirements, performs interpolation operations according to a certain mathematical model, and uses the operation results to control the speed and position of each motion coordinate of the machine tool in real time to complete the processing of parts.

The numerical control device is the center of the numerical control machine tool. In ordinary numerical control machine tools, it is generally composed of an input device, a memory, a controller, an arithmetic unit and an output device. The numerical control device receives the information of the input medium, and identifies, stores, calculates and outputs its codes. The corresponding command pulse drives the servo system, and then controls the machine tool action. In the computer numerical control machine tool, since the computer itself contains the above units such as arithmetic unit and controller, the function of its numerical control device is completed by a computer.

At present, in terms of processing tap threads, the machine tools of some manufacturers are still at the low-end level, generally manual or semi-automatic machine tools, and diamond pens are generally used for grinding wheel dressing methods, which are easy to fall off and wear, resulting in tap threads. Dimensional instability and variable tooth shape are prone to occur in the processing and production of tap threads; in the processing technology of tap threads, the two processes of thread grinding and shovel outer circle are carried out separately. In the production process, processing efficiency, product quality, There are large defects in design standards and manufacturing costs, and certain improvements need to be made for the structure of the machine tool.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a five-axis numerical control machine tool processing device for tap thread processing and a method of use, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a five-axis CNC machine tool machining device for tap thread processing, comprising a machine table, a first power mechanism, and a second power mechanism, and the left side of the machine table is There is a heat dissipation hole, and the heat dissipation hole is set in the lower middle of the machine table. The other side of the machine table is provided with a protruding platform. The protruding platform is fixed on the side of the machine table. The upper part of the protruding platform is provided with a Y-axis mechanism, one side of the Y-axis mechanism is provided with an A-axis mechanism, and the left side of the processing device is provided with a baffle plate, which is directly fixed to the machine by welding. On the upper surface of the table, the interior of the baffle is provided with a resin grinding wheel spindle, and a diamond roller spindle is arranged above the resin grinding wheel spindle, and the resin grinding wheel spindle and the diamond roller spindle are fixed by screws around the axis.

Preferably, a second power mechanism is provided on one side of the resin grinding wheel spindle and the diamond wheel spindle, and the bearing on the second power mechanism is connected with the resin grinding wheel spindle and the diamond grinding wheel spindle.

Preferably, a first power mechanism is provided on the left side of the second power mechanism, a cutter is provided below the first power mechanism, and the cutter and the first power mechanism are integrally structured, and the first power mechanism is The side surfaces are in contact with the second power mechanism.

Preferably, a B-axis mechanism is arranged above the second power mechanism, a Z-axis mechanism is arranged above the B-axis mechanism, and the B-axis mechanism and the Z-axis mechanism are superimposed to form a cross slide, and the B-axis mechanism The mechanism and the Z-axis mechanism are superimposed to form a cross slide which is placed above the main shaft of the resin grinding wheel.

Preferably, the main shaft of the resin grinding wheel and the main shaft of the diamond roller are circular, and fixed screw holes are provided around the center of the main shaft of the resin grinding wheel and the main shaft of the diamond roller.

Preferably, the protruding platform is 20mm-22mm lower than the upper surface of the machine table.

A method for using a five-axis CNC machine tool processing device for tap thread processing includes the following steps:

A. The X-axis mechanism and the Y-axis mechanism are installed vertically in the same horizontal plane. The A-axis mechanism is an indexing rotation axis and is installed on the X-axis mechanism;

B. The main shaft of the resin grinding wheel is installed on the Y-axis mechanism and swings a certain angle of the helix angle. The X-axis mechanism, the Y-axis mechanism, and the A-axis mechanism operate at the same time to grind the tap threads;

C, B-axis mechanism and Z-axis mechanism are superimposed to form a cross slide, which is placed above the main shaft of the resin grinding wheel, and is fixed above the second power mechanism by a fixing piece;

D. The second power mechanism provides power to the opposite resin grinding wheel spindle and diamond roller spindle, and the resin grinding wheel spindle and diamond roller spindle drive the above grinding wheel to rotate;

E. There is a baffle plate on the outside of the grinding wheel, and the baffle plate is directly welded on the upper surface of the machine table.

Compared with the prior art, the beneficial effects of the present invention are:

Through the machining unit, the A-axis mechanism, X-axis mechanism, Y-axis mechanism and corresponding auxiliary devices are used to complete the processing of the tap thread. The dressing mechanism composed of the B-axis mechanism and the Z-axis mechanism can be interpolated with a diamond roller The grinding wheel can be trimmed into the required shape, and can be trimmed online, synchronously shoveling the outer circle, saving one step in the processing technology of the tap thread, and has the characteristics of stable and reliable production, high processing efficiency, product quality that meets design requirements, and low price.

Description of drawings

1 is a schematic diagram of a processing device of the present invention;

Fig. 2 is the left side view of the processing device of the present invention;

3 is a rear view of the processing device of the present invention;

Figure 4 is a sectional view of the grinding wheel after dressing according to the present invention.

In the figure: 1. X-axis mechanism; 2. Y-axis mechanism; 3. A-axis mechanism; 4. B-axis mechanism; 5. Z-axis mechanism; 6. Resin grinding wheel spindle; 7. Diamond roller spindle; 8. Heat dissipation hole; 9, machine; 10, fixed block; 11, cutter; 12, linkage device; 13, baffle; 14, first power mechanism; 15, second power mechanism; 16, connecting spring; 17, protruding platform.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1 to 4, the present invention provides a technical solution: a five-axis CNC machine tool machining device for tap thread processing, including a machine 9, a first power mechanism 14, a second power mechanism 15, a machine The left side of the machine table 9 is provided with a heat dissipation hole 8, the heat dissipation hole 8 is arranged in the lower middle of the machine table 9, the other side of the machine table 9 is provided with a protruding platform 17, and the protruding platform 17 is fixed on the side of the machine table 9. , the protruding platform 17 is lower than the upper surface of the machine table 9, the upper part of the protruding platform 17 is provided with a Y-axis mechanism 2, one side of the Y-axis mechanism 2 is provided with an A-axis mechanism 3, and the left side of the processing device is provided with a stopper The plate 13 and the baffle plate 13 are directly fixed on the upper surface of the machine table 9 by welding. The inside of the baffle plate 13 is provided with a resin grinding wheel spindle 6, and above the resin grinding wheel spindle 16, a diamond roller spindle 7 is provided, and the resin grinding wheel spindle 6, The diamond roller spindle 7 is fixed by screws around the axis.

A second power mechanism 15 is provided on one side of the resin grinding wheel spindle 6 and the diamond wheel spindle 7 , and the bearings on the second power mechanism are connected with the resin grinding wheel spindle 6 and the diamond grinding wheel spindle 7 .

The left side of the second power mechanism 15 is provided with a first power mechanism 14 , a cutter 11 is provided below the first power mechanism 14 , the cutter 11 and the first power mechanism 14 are integrally formed, and the side of the first power mechanism 14 is connected to the The second power mechanisms 15 are in contact with each other.

A B-axis mechanism 4 is provided above the second power mechanism 15, and a Z-axis mechanism 5 is provided above the B-axis mechanism 4. The B-axis mechanism 4 and the Z-axis mechanism 5 are superimposed to form a cross slide, and the B-axis mechanism 4, The Z-axis mechanism 5 is superimposed to form a cross slide placed above the resin grinding wheel spindle 6 .

The resin grinding wheel main shaft 6 and the diamond roller main shaft 7 are circular, and the periphery of the resin grinding wheel main shaft 6 and the diamond roller main shaft 7 near the middle are provided with fixed screw holes, and the protruding platform 17 is lower than the upper surface of the machine table 9 by 20mm-22mm.

The X-axis mechanism 1 and the Y-axis mechanism 2 are installed vertically in the same horizontal plane. The A-axis mechanism 3 is an indexing rotation axis and is installed on the X-axis mechanism 1. The resin grinding wheel spindle 6 is installed on the Y-axis mechanism 2 and can swing a certain angle. The helix angle, X-axis mechanism 1, Y-axis mechanism 2, A-axis mechanism 3, three axes are used to complete the grinding of the tap thread; B-axis mechanism 4, Z-axis mechanism 5 are superimposed to form a cross slide, which is used for dressing The mechanism of the grinding wheel is placed above the grinding wheel shaft. The diamond roller spindle 7 is linked with the B-axis mechanism 4 and the Z-axis mechanism 5 to perform corresponding interpolation actions above the grinding wheel.

A method for using a five-axis numerically controlled machine tool machining device for tap thread processing, characterized in that it comprises the following steps:

A, X-axis mechanism 1, Y-axis mechanism 2 are installed vertically in the same horizontal plane, A-axis mechanism 3 is an indexing rotation axis, and is installed on X-axis mechanism 1;

B. The resin grinding wheel spindle 6 is installed on the Y-axis mechanism 2 and swings a certain angle of the helix angle, the X-axis mechanism 1, the Y-axis mechanism 2, and the A-axis mechanism 3, and the three axes simultaneously operate to grind the tap threads;

C, B-axis mechanism 4, Z-axis mechanism 5 are superimposed to form a cross slide, which is placed above the main shaft of the resin grinding wheel, and is fixed above the second power mechanism 15 by a fixing piece;

D, the second power mechanism 15 provides power to the opposite resin grinding wheel main shaft 6 and diamond roller main shaft 7, and the resin grinding wheel main shaft 6 and diamond roller main shaft 7 drive the above grinding wheel to rotate;

E. There is a baffle plate 13 on the outer side of the grinding wheel, and the baffle plate 13 is directly welded on the upper surface of the machine table 9 .

Compared with the prior art, the beneficial effects of the present invention are:

Through the machining unit, the machining of the tap thread is completed by the A-axis mechanism 3, the X-axis mechanism 1, the Y-axis mechanism 2 and the corresponding auxiliary devices. The dressing mechanism composed of the B-axis mechanism 4 and the Z-axis mechanism 5 can be equipped with a diamond roller to The grinding wheel is repaired into the required shape by interpolation, and it can be trimmed online, shoveling the outer circle synchronously, saving one step in the processing technology of the tap thread, with stable and reliable production, high processing efficiency, product quality that meets design requirements, and low price. Features.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A five-axis numerical control machine tool processingequipment for screw tap screw thread processing, including board (9), X axle mechanism (1), first power unit (14), second power unit (15), its characterized in that: the left side surface of the machine table (9) is provided with heat dissipation holes (8), the heat dissipation holes (8) are arranged below the machine table (9) in the middle and are inclined downwards, a convex platform (17) is arranged on the other side surface of the machine table (9), the convex platform (17) is fixed on the side surface of the machine table (9), the convex platform (17) is lower than the upper surface of the machine table (9), a Y-axis mechanism (2) is arranged above the protruding platform (17), an A-axis mechanism (3) is arranged on one side of the Y-axis mechanism (2), a baffle (13) is arranged on the left side surface of the processing device, the baffle (13) is directly fixed on the upper surface of the machine table (9) by welding, a resin grinding wheel spindle (6) is arranged inside the baffle (13), a diamond roller wheel spindle (7) is arranged above the resin grinding wheel spindle (6), and the resin grinding wheel spindle (6) and the diamond roller wheel spindle (7) are fixed through screws around the axis;

the top of second power unit (15) is equipped with B axle mechanism (4), the top of B axle mechanism (4) is equipped with Z axle mechanism (5), a cross slip table is constituteed in B axle mechanism (4), the stack of Z axle mechanism (5), the top of resin grinding wheel main shaft (6) is arranged in to a cross slip table is constituteed in B axle mechanism (4), the stack of Z axle mechanism (5).

2. The five-axis numerical control machine tool machining device for tap thread machining according to claim 1, characterized in that: and a second power mechanism (15) is arranged on one side of the resin grinding wheel spindle (6) and one side of the diamond roller spindle (7), and a bearing on the second power mechanism is connected with the resin grinding wheel spindle (6) and the diamond grinding wheel spindle (7).

3. The five-axis numerical control machine tool machining device for tap thread machining according to claim 1, characterized in that: the side surface of the left side of the second power mechanism (15) is provided with a first power mechanism (14), a cutter (11) is arranged below the first power mechanism (14), the cutter (11) and the first power mechanism (14) are of an integrated structure, and the side surface of the first power mechanism (14) is in contact with the second power mechanism (15).

4. The five-axis numerical control machine tool machining device for tap thread machining according to claim 1, characterized in that: the resin grinding wheel spindle (6) and the diamond roller spindle (7) are round, and fixing screw holes are formed in the peripheries, close to the middle, of the resin grinding wheel spindle (6) and the diamond roller spindle (7).

5. The five-axis numerical control machine tool machining device for tap thread machining according to claim 1, characterized in that: the protruding platform (17) is 20mm-22mm lower than the upper surface of the machine table (9).

6. The use method of the five-axis numerical control machine tool machining device for tap thread machining according to claim 1 is realized, wherein the five-axis numerical control machine tool machining device comprises the following steps: the method comprises the following steps:

A. the X-axis mechanism (1) and the Y-axis mechanism (2) are vertically arranged in the same horizontal plane, and the A-axis mechanism (3) is an indexing rotating shaft and is arranged on the X-axis mechanism (1);

B. the resin grinding wheel spindle (6) is arranged on the Y-axis mechanism (2) and swings a helix angle with a certain angle, and the X-axis mechanism (1), the Y-axis mechanism (2) and the A-axis mechanism (3) are operated to grind the screw threads of the screw tap simultaneously;

C. the B-axis mechanism (4) and the Z-axis mechanism (5) are superposed to form a cross sliding table, the cross sliding table is arranged above the resin grinding wheel spindle and is fixed above the second power mechanism (15) through a fixing piece;

D. the second power mechanism (15) provides power for the opposite resin grinding wheel spindle (6) and the opposite diamond roller spindle (7), and the resin grinding wheel spindle (6) and the diamond roller spindle (7) drive the grinding wheel on the upper surface to rotate;

E. a baffle (13) is arranged on the outer side of the grinding wheel, and the baffle (13) is directly welded on the upper surface of the machine table (9).

Images