Automatic tool changing tool of numerical control machining tool

Abstract

The utility model belongs to the field of numerical control cutting devices, and particularly relates to an automatic tool changing tool of a numerical control machine tool. The technical problems that when a numerical control cutting device is used, a tool bit cannot be conveniently and rapidly fed, clamping is not stable in the tool changing process, and consequently normal tool changing work cannot be normally carried out are solved. According to the technical scheme, the automatic tool changing tool of the numerical control machining tool comprises an adjusting assembly; the numerical control cutting machine further comprises a clamping assembly, a discharging assembly, a feeding assembly, a three-jaw clamping air cylinder and a numerical control cutting machine tool bit. According to the numerical control cutting machine tool bit installation device, the numerical control cutting machine tool bit installation head is placed in the fourth groove body upwards, when the push piece moves forwards, the numerical control cutting machine tool bit in the fourth groove body is corrected through the correction block, the numerical control cutting machine tool bit on the fourth groove body finally slides to the inner wall of the third groove body, and the problem that when the tool bit is installed, the numerical control cutting machine tool bit installation head is damaged is solved. And the tool bit cannot be conveniently and quickly placed in the tool magazine.

Description

Technical Field

[0001] The utility model belongs to the field of numerical control cutting devices, and in particular relates to an automatic tool changing device for a numerical control machining machine tool. Background Art

[0002] A CNC machine tool is a high-precision mechanical equipment used to process materials such as metals and plastics. It controls the motion trajectory and processing technology of the machine tool through a computer control system to achieve automated processing. In the prior art, when replacing the tool head of a CNC machine tool, it is necessary to remove the current tool from the CNC machine tool, and then take out a new tool head from the tool magazine for installation. When installing the tool head, it is not convenient to quickly place the tool head in the tool magazine, and when changing the tool, the clamping is unstable, resulting in the inability to replace the tool head normally. Utility Model Content

[0003] In order to overcome the problem that it is inconvenient to quickly load the tool head during tool changing in CNC machining centers, and the clamping is unstable during the tool changing process, resulting in the inability to perform normal tool changing work.

[0004] The technical solution of the utility model is: an automatic tool changing tool for a CNC machining machine tool, comprising an adjustment component; further comprising a clamping component, a discharging component, a loading component, a three-jaw clamping cylinder and a CNC cutting machine cutter head; the adjustment component is provided with a clamping component for clamping the cutter head; the adjustment component is provided with a discharging component for taking out the cutter head; the discharging component is provided with a loading component for storing the cutter head; the three-jaw clamping cylinder is the output end of the CNC machining machine tool; it is also a mounting mechanism for the cutter head; the CNC cutting machine cutter head is placed on the discharging component and the clamping component.

[0005] Preferably, by opening the adjustment component, the rotation angle and the up and down position of the clamping component can be changed, thereby completing the removal of the CNC cutting machine head on the discharging component and the disassembly and installation of the CNC cutting machine head on the three-jaw clamping cylinder. By placing the CNC cutting machine head into the loading component, when the CNC cutting machine head on the discharging component is taken out, the discharging component is opened to place the CNC cutting machine head in the loading component on the discharging component to complete the automatic loading work, which solves the problem of inconvenience in quickly placing the head in the tool magazine, and the problem of unstable clamping during tool changing, resulting in failure to change the tool normally.

[0006] Preferably, the adjustment component includes a first electric cylinder, a motor, a first fixed block, a first slot and a lifting plate; the lower end of the output shaft of the first electric cylinder is fixedly connected to the lifting plate; the lower end of the lifting plate is fixedly connected to the motor; the lower end of the output shaft of the motor is fixedly connected to the first fixed block; the outer wall of the first fixed block is penetrated by a first slot, and by turning on the first electric cylinder, the output shaft of the first electric cylinder drives the motor to move up and down, and by turning on the motor, the output shaft of the motor drives the first fixed block to rotate.

[0007] Preferably, the clamping assembly includes a fixed plate, a second slot body, a second electric cylinder, a clamping block and a clamping slot; the inner wall of the first slot body is fixedly connected to the fixed plate; two second slot bodies are provided through the upper and lower ends of the fixed plate; the left and right inner walls of the second slot body are fixedly connected to the second electric cylinders; the upper end of the output shaft of the second electric cylinder is fixedly connected to the clamping block; a clamping slot is provided at one end where the output shafts of the two second electric cylinders are close to each other; the inner wall of the clamping slot and the inner wall of the clamping block are in the same plane, and through the two second electric cylinders, the output shafts of the second electric cylinders are brought close to each other, thereby driving the clamping block to clamp the CNC cutting machine head.

[0008] Preferably, the discharging assembly includes a second fixed block, a third trough body, a limiting groove, a rubber baffle, a third electric cylinder, a push piece and a knife groove; the front end of the first electric cylinder is fixedly connected to the second fixed block; the upper end of the second fixed block is provided with a third trough body; the lower end of the inner wall of the third trough body is penetrated by a limiting groove; the third trough body and the limiting groove are interconnected; the front end of the second fixed block is fixedly connected to the third electric cylinder; the rear end of the output shaft of the third electric cylinder is fixedly connected to a push piece; the lower end of the push piece is fitted with the lower end of the inner wall of the third trough body; the right end of the second fixed block is penetrated by a knife groove; the right end of the knife groove is fixedly connected to the rubber baffle, The mounting head part of the head is located at the upper end of the inner wall of the third slot body and is suspended. When the two clamping blocks are located at the lower end of the limit slot, the fixed plate moves upward, so that the output shaft of the second electric cylinder drives the clamping block to clamp the CNC cutting machine head on the third slot body. Through the rotation of the motor, the CNC cutting machine head on the third slot body is rotated and taken out from the knife outlet slot, and then the third electric cylinder is turned on, so that the output shaft of the third electric cylinder drives the push plate to push the CNC cutting machine head on the limit slot, thereby waiting for the next head replacement. The rubber baffle is used to prevent the CNC cutting machine head from slipping out of the inner wall of the third slot body.

[0009] Preferably, the loading assembly includes a third fixed block, a fourth trough body and a correction block; the third fixed block is fixedly connected to the upper end of the second fixed block; the fourth trough body is penetrated at the upper and lower ends of the third fixed block; the lower end of the third fixed block is fixedly connected to a symmetrical correction block; the ends of the two correction blocks that are away from each other fit with the left and right inner walls of the third trough body; the ends of the two correction blocks that are close to each other fit with the left and right outer walls of the push piece, and by placing the CNC cutting machine head mounting head upward in the fourth trough body, when the push piece moves forward, the CNC cutting machine head in the fourth trough body is corrected by the correction block, so that the CNC cutting machine head on the fourth trough body finally slides onto the inner wall of the third trough body.

[0010] Preferably, the center of the clamping block and the center of the three-jaw clamping cylinder are in the same plane; the three-jaw clamping cylinder is located in the direction of the right end outer wall of the first electric cylinder. When the fixed plate is under the three-jaw clamping cylinder, the first electric cylinder is turned on so that the output shaft of the first electric cylinder drives the fixed plate to move up and down. The CNC cutting machine head on the three-jaw clamping cylinder is disassembled and replaced by clamping the clamping block.

[0011] Preferably, the CNC cutting machine head is suspended on the inner wall of the third groove body; the outer wall of the lower end of the CNC cutting machine head fits with the inner wall of the limit groove; the upper end diameter of the CNC cutting machine head is the same distance as the front and rear inner walls of the knife outlet groove; when in the clamping state, the outer wall of the CNC cutting machine head fits with the inner wall of the clamping block; the height of the lower end of the mounting head of the CNC cutting machine head is the same as the height of the clamping block, and the height of the clamping block is the same as the height of the lower end of the mounting head of the CNC cutting machine head, so that the clamping block can stably clamp the CNC cutting machine head.

[0012] Beneficial effects of the utility model:

[0013] 1. By placing the CNC cutting machine head installation head upward in the fourth slot, when the push piece moves forward, the CNC cutting machine head in the fourth slot is corrected by the correction block, so that the CNC cutting machine head on the fourth slot finally slides onto the inner wall of the third slot, solving the problem of inconvenience in quickly placing the cutter head in the tool magazine when installing the cutter head;

[0014] 2. When the two clamping blocks are located at the lower end of the limit slot, the fixed plate moves upward, so that the output shaft of the second electric cylinder drives the clamping block to clamp the CNC cutting machine head on the third slot body. The CNC cutting machine head on the third slot body is rotated and taken out from the knife outlet slot by the rotation of the motor, and then the third electric cylinder is turned on, so that the output shaft of the third electric cylinder drives the push piece to push the CNC cutting machine head on the limit slot, thereby completing the work of unloading and replacing the cutter head and automatically correcting the loading of the cutter head;

[0015] 3. When the fixed plate is under the three-jaw clamping cylinder, the output shaft of the first electric cylinder is turned on to drive the fixed plate to move up and down. The CNC cutting machine head on the three-jaw clamping cylinder is disassembled and replaced by clamping the clamping block. The lower end height of the mounting head of the CNC cutting machine head is the same as the height of the clamping block. When the clamping block clamps the head, it is in a fully wrapped state, so that the clamping can be more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a three-dimensional structural schematic diagram of an automatic tool changing tool for a CNC machining machine tool of the utility model;

[0017] Figure 2 The three-dimensional structure diagram of the adjustment component of the automatic tool changing tool of a CNC machining machine tool - a three-claw clamping cylinder and a CNC cutting tool head is shown;

[0018] Figure 3 What is shown is a three-dimensional structural schematic diagram of a clamping assembly of an automatic tool changing tool for a CNC machining machine tool of the utility model;

[0019] Figure 4 What is shown is a three-dimensional structural schematic diagram of a discharging component and a loading component of an automatic tool changing tooling of a CNC machining machine tool according to the utility model.

[0020] The marks in the accompanying drawings are: 1-adjustment assembly, 101-first electric cylinder, 102-motor, 103-first fixed block, 104-first trough body, 105-lifting plate, 2-clamping assembly, 201-fixed plate, 202-second trough body, 203-second electric cylinder, 204-clamping block, 205-clamping groove, 3-discharging assembly, 301-second fixed block, 302-third trough body, 303-limiting groove, 304-rubber baffle, 305-third electric cylinder, 306-push sheet, 307-knife groove, 4-loading assembly, 401-third fixed block, 402-fourth trough body, 403-correction block, 5-three-claw clamping cylinder, 6-CNC cutting machine head. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1The utility model provides an embodiment: an automatic tool changing tool for a CNC machining machine tool, comprising an adjustment component 1; further comprising a clamping component 2, a discharging component 3, a loading component 4, a three-jaw clamping cylinder 5 and a CNC cutting machine tool head 6; the adjustment component 1 is provided with a clamping component 2 for clamping the tool head; the adjustment component 1 is provided with a discharging component 3 for taking out the tool head; the discharging component 3 is provided with a loading component 4 for storing the tool head; the three-jaw clamping cylinder 5 is the output end of the CNC machining machine tool; it is also a mounting mechanism for the tool head; the CNC cutting machine tool head 6 is placed on the discharging component 3 and the clamping component 2.

[0023] See also Figure 2 In this embodiment, the adjustment assembly 1 includes a first electric cylinder 101, a motor 102, a first fixed block 103, a first slot 104 and a lifting plate 105; the lower end of the output shaft of the first electric cylinder 101 is fixedly connected to the lifting plate 105; the lower end of the lifting plate 105 is fixedly connected to the motor 102; the lower end of the output shaft of the motor 102 is fixedly connected to the first fixed block 103; the outer wall of the first fixed block 103 is penetrated by a first slot 104; the center of the clamping block 204 is in the same circle as the center of the three-claw clamping cylinder 5 plane; the three-jaw clamping cylinder 5 is located in the direction of the right end outer wall of the first electric cylinder 101; the CNC cutting machine head 6 is suspended on the inner wall of the third slot 302; the lower end outer wall of the CNC cutting machine head 6 fits with the inner wall of the limiting groove 303; the upper end diameter of the CNC cutting machine head 6 is the same as the distance between the front and rear inner walls of the knife outlet groove 307; when in the clamping state, the outer wall of the CNC cutting machine head 6 fits with the inner wall of the clamping block 204; the lower end height of the mounting head of the CNC cutting machine head 6 is the same as the height of the clamping block 204.

[0024] See also Figure 3 In this embodiment, the clamping assembly 2 includes a fixed plate 201, a second slot body 202, a second electric cylinder 203, a clamping block 204 and a clamping slot 205; the inner wall of the first slot body 104 is fixedly connected to the fixed plate 201; two second slot bodies 202 are provided through the upper and lower ends of the fixed plate 201; the second electric cylinders 203 are fixedly connected to the inner walls of the left and right ends of the second slot body 202; the clamping block 204 is fixedly connected to the upper end of the output shaft of the second electric cylinder 203; a clamping slot 205 is provided at one end of the output shafts of the two second electric cylinders 203 that are close to each other; the inner wall of the clamping slot 205 and the inner wall of the clamping block 204 are in the same plane.

[0025] See also Figure 4In this embodiment, the discharging assembly 3 includes a second fixed block 301, a third slot body 302, a limiting groove 303, a rubber baffle 304, a third electric cylinder 305, a push piece 306 and a knife groove 307; the front end of the first electric cylinder 101 is fixedly connected to the second fixed block 301; the upper end of the second fixed block 301 is provided with a third slot body 302; the lower end of the inner wall of the third slot body 302 is penetrated by a limiting groove 303; the third slot body 302 and the limiting groove 303 are mutually connected; the front end of the second fixed block 301 is fixedly connected to the third electric cylinder 305; the rear end of the output shaft of the third electric cylinder 305 is fixedly connected to the push piece 306; the lower end of the push piece 306 is connected to the third slot body 302 The lower end of the inner wall is fitted; the right end of the second fixed block 301 is penetrated by a knife groove 307; the right end of the knife groove 307 is fixedly connected to a rubber baffle 304; the feeding assembly 4 includes a third fixed block 401, a fourth slot body 402 and a correction block 403; the upper end of the second fixed block 301 is fixedly connected to the third fixed block 401; the upper and lower ends of the third fixed block 401 are penetrated by a fourth slot body 402; the lower end of the third fixed block 401 is fixedly connected to symmetrical correction blocks 403; the ends of the two correction blocks 403 that are far away from each other are fitted with the left and right inner walls of the third slot body 302; the ends of the two correction blocks 403 that are close to each other are fitted with the left and right outer walls of the push piece 306.

[0026] When it is necessary to disassemble the CNC cutting machine cutter head 6 on the three-jaw clamping cylinder 5, when the fixed plate 201 is under the three-jaw clamping cylinder 5, the first electric cylinder 101 is turned on so that the output shaft of the first electric cylinder 101 drives the fixed plate 201 to move up and down, the three-jaw clamping cylinder 5 is turned on to release the clamping of the CNC cutting machine cutter head 6, and the second electric cylinder 203 clamps the CNC cutting machine cutter head 6 on the three-jaw clamping cylinder 5, and then the output shaft of the first electric cylinder 101 is turned on so that the clamping block 204 on the fixed plate 201 clamps the CNC cutting machine cutter head 6 and moves it downward, and then the motor 102 is turned on to drive the fixed plate 201 to rotate counterclockwise 90 degrees, and then the second electric cylinder 203 is turned on to put down the CNC cutting machine cutter head 6 of the clamping block 204;

[0027] When it is necessary to install the CNC cutting machine cutter head 6 on the three-jaw clamping cylinder 5, the motor 102 is turned on to move the fixed plate 201 to the bottom of the discharge assembly 3, and the fixed plate 201 is moved upward, and then the second electric cylinder 203 is turned on to make the clamping block 204 clamp the CNC cutting machine cutter head 6 on the inner wall of the third trough body 302, and then the fixed plate 201 is rotated to take the CNC cutting machine cutter head 6 on the inner wall of the third trough body 302 out of the cutter outlet groove 307, and then ninety degrees is selected counterclockwise, and the fixed plate 201 is lowered. When the fixed plate 201 is located below the three-jaw clamping cylinder 5, the first electric cylinder 101 is turned on to drive the CNC cutting machine cutter head 6 on the clamping block 204 to rise, so that the CNC cutting machine cutter head 6 is installed on the lower end of the three-jaw clamping cylinder 5 for installation and replacement.

[0028] When automatic loading is required, the mounting head part of the CNC cutting machine head 6 is placed upward in the fourth slot 402. When a piece of the CNC cutting machine head 6 on the inner wall of the third slot 302 is taken out, the third electric cylinder 305 is turned on, so that the output shaft of the third electric cylinder 305 drives the push piece 306 to move backward, thereby pushing the CNC cutting machine head 6 on the inner wall of the third slot 302. At the same time, the CNC cutting machine head 6 on the fourth slot 402 is dropped downward, so that the CNC cutting machine head 6 that slipped in the loading component 4 is corrected on the inner wall of the third slot 302, thereby realizing automatic and rapid loading.

[0029] Through the above steps, by opening the adjustment component 1, the rotation angle and the up and down position of the clamping component 2 can be changed, thereby completing the removal of the CNC cutting machine head 6 on the discharging component 3, and the disassembly and installation of the CNC cutting machine head 6 on the three-jaw clamping cylinder 5. By placing the CNC cutting machine head 6 into the loading component 4, when the CNC cutting machine head 6 on the discharging component 3 is taken out, the discharging component 3 is opened, so that the CNC cutting machine head 6 in the loading component 4 is placed on the discharging component 3, and the automatic loading work is completed, which solves the problem of inconvenience in quickly placing the head in the tool magazine, and the problem that the clamping is unstable during tool changing, resulting in the inability to change the tool normally.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. An automatic tool changing device for a numerically controlled machine tool, comprising an adjustment component (1); characterized in that: The invention also comprises a clamping assembly (2), a discharging assembly (3), a loading assembly (4), a three-claw clamping cylinder (5) and a CNC cutting machine cutter head (6); the adjusting assembly (1) is provided with a clamping assembly (2) for clamping the cutter head; the adjusting assembly (1) is provided with a discharging assembly (3) for taking out the cutter head; the discharging assembly (3) is provided with a loading assembly (4) for storing the cutter head; the three-claw clamping cylinder (5) is the output end of the CNC machining machine tool; it is also a mounting mechanism for the cutter head; the CNC cutting machine cutter head (6) is placed on the discharging assembly (3) and the clamping assembly (2).

2. The automatic tool changing device for a CNC machine tool according to claim 1, characterized in that: The adjustment component (1) comprises a first electric cylinder (101), a motor (102), a first fixing block (103), a first slot body (104) and a lifting plate (105); the lower end of the output shaft of the first electric cylinder (101) is fixedly connected to the lifting plate (105); the lower end of the lifting plate (105) is fixedly connected to the motor (102); the lower end of the output shaft of the motor (102) is fixedly connected to the first fixing block (103); and the outer wall of the first fixing block (103) is penetrated by a first slot body (104).

3. The automatic tool changing device for a CNC machine tool according to claim 2, characterized in that: The clamping assembly (2) comprises a fixing plate (201), a second slot body (202), a second electric cylinder (203), a clamping block (204) and a clamping slot (205); the fixing plate (201) is fixedly connected to the inner wall of the first slot body (104); two second slot bodies (202) are provided through the upper and lower ends of the fixing plate (201); the second electric cylinders (203) are fixedly connected to the inner walls of the left and right ends of the second slot body (202); the clamping block (204) is fixedly connected to the upper end of the output shaft of the second electric cylinder (203); the clamping slot (205) is provided at one end of the output shafts of the two second electric cylinders (203) that are close to each other; the inner wall of the clamping slot (205) and the inner wall of the clamping block (204) are in the same plane.

4. The automatic tool changing device for a CNC machine tool according to claim 1, characterized in that: The material discharging assembly (3) comprises a second fixed block (301), a third trough body (302), a limiting groove (303), a rubber baffle (304), a third electric cylinder (305), a push piece (306) and a knife discharging groove (307); the front end of the first electric cylinder (101) is fixedly connected to the second fixed block (301); the upper end of the second fixed block (301) is provided with a third trough body (302); the lower end of the inner wall of the third trough body (302) is penetrated by a limiting groove (303); ); the third slot body (302) and the limiting slot (303) are interconnected; the front end of the second fixed block (301) is fixedly connected to the third electric cylinder (305); the rear end of the output shaft of the third electric cylinder (305) is fixedly connected to a push piece (306); the lower end of the push piece (306) is in contact with the lower end of the inner wall of the third slot body (302); the right end of the second fixed block (301) is penetrated by a knife groove (307); the right end of the knife groove (307) is fixedly connected to a rubber stopper (304).

5. The automatic tool changing device for a CNC machine tool according to claim 4, characterized in that: The loading assembly (4) comprises a third fixed block (401), a fourth slot body (402) and a correction block (403); the third fixed block (401) is fixedly connected to the upper end of the second fixed block (301); the fourth slot body (402) is penetrated through the upper and lower ends of the third fixed block (401); the lower end of the third fixed block (401) is fixedly connected to symmetrical correction blocks (403); the ends of the two correction blocks (403) that are far away from each other are in contact with the left and right inner walls of the third slot body (302); the ends of the two correction blocks (403) that are close to each other are in contact with the left and right outer walls of the push piece (306).

6. The automatic tool changing device for a CNC machine tool according to claim 3, characterized in that: The center of the clamping block (204) and the center of the three-jaw clamping cylinder (5) are located in the same plane; the three-jaw clamping cylinder (5) is located in the direction of the right end outer wall of the first electric cylinder (101).

7. The automatic tool changing device for a CNC machine tool according to claim 4, characterized in that: The CNC cutting machine head (6) is suspended on the inner wall of the third slot body (302); the outer wall of the lower end of the CNC cutting machine head (6) is in contact with the inner wall of the limiting slot (303); the upper end diameter of the CNC cutting machine head (6) is the same distance as the front and rear inner walls of the knife outlet slot (307); when in a clamping state, the outer wall of the CNC cutting machine head (6) is in contact with the inner wall of the clamping block (204); the height of the lower end of the mounting head of the CNC cutting machine head (6) is the same as the height of the clamping block (204).

Images