CN210255306U - Novel tool changing device of numerical control machine tool - Google Patents
Novel tool changing device of numerical control machine tool Download PDFInfo
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- CN210255306U CN210255306U CN201920429152.1U CN201920429152U CN210255306U CN 210255306 U CN210255306 U CN 210255306U CN 201920429152 U CN201920429152 U CN 201920429152U CN 210255306 U CN210255306 U CN 210255306U
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Abstract
The utility model discloses a novel numerical control machine tool changing device, which comprises a transverse moving mechanism, a plug-pull tool mechanism which can stretch back and forth and a rotating mechanism; the plug-pull knife mechanism is fixedly arranged above the transverse moving mechanism, the rotating mechanism is arranged on the plug-pull knife mechanism, and the transverse moving mechanism can drive the plug-pull knife mechanism and the rotating mechanism to move left and right. The utility model discloses a lathe tool changing device can realize the automatic exchange of cutter to improve work precision.
Description
Technical Field
The utility model relates to a digit control machine tool field, in particular to novel digit control machine tool changing device.
Background
In a numerical control machining center machine tool, a tool magazine is a device for storing tools and automatically exchanging the tools in a spindle and the tool magazine according to different machining processes. In the process of automatically exchanging the cutters, the cutter changing device is just like a hand of a person, and the replacement of new and old cutters is flexibly and accurately completed so as to complete the machining of parts. Are indispensable components. Most of the existing numerical control machine tool changing devices adopt a cam structure tool changing mode, and the tool changing precision is easily influenced by the machining precision of a cam.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a novel digit control machine tool changing device.
The purpose of the utility model is realized by adopting the following technical scheme:
a novel tool changing device of a numerical control machine tool is characterized by comprising a transverse moving mechanism, a tool plugging and unplugging mechanism and a rotating mechanism; the plug-pull knife mechanism is fixedly arranged above the transverse moving mechanism, the rotating mechanism is arranged on the plug-pull knife mechanism and can move back and forth together with the plug-pull knife mechanism, the transverse moving mechanism drives the plug-pull knife mechanism and the rotating mechanism to move left and right together, and the rotating mechanism drives a knife assembled on the rotating mechanism to rotate.
Optionally, the novel tool changing device for the numerical control machine tool further comprises a base and a guide rail; the guide rail is fixedly connected to the base; the transverse moving mechanism comprises a servo motor b, a screw rod and a sliding table. The sliding table is arranged above the guide rail and can slide relative to the guide rail; and the servo motor b is connected with the screw rod so as to drive the screw rod to rotate. The sliding table is further connected with the base through the screw rod.
The knife pulling and inserting mechanism comprises an air cylinder, wherein the air cylinder is fixedly arranged above the sliding table; the rotary mechanism comprises a servo motor a, a rotary shaft connected with the servo motor a and a cutter clamping arm arranged on the rotary shaft, wherein the servo motor a is fixed through a motor fixing seat arranged on one side of the air cylinder, and a bearing is arranged between the motor fixing seat and the rotary shaft.
Optionally, the slotting tool mechanism comprises an air cylinder, wherein the air cylinder is fixedly installed above the sliding table.
Optionally, the rotating mechanism includes a servo motor a, a rotating shaft connected to the servo motor a, and a knife clamping arm mounted on the rotating shaft, wherein the servo motor a is fixed by a motor fixing seat mounted on one side of the cylinder, and a bearing is disposed between the motor fixing seat and the rotating shaft.
Optionally, a striking block is mounted on the sliding table, and the air cylinder is fixed on the striking block.
Optionally, the two ends of the tool clamping arm are both provided with a clamp capable of clamping a tool.
Optionally, the beater seat has an inner cavity, the rotating shaft extends through the inner cavity of the beater seat, and the outer surface of the rotating shaft is sleeved with a copper sleeve.
Optionally, the transverse moving mechanism further comprises a small synchronous pulley and a large synchronous pulley which are mounted on the base, the servo motor b is connected with the small synchronous pulley, and the small synchronous pulley is connected with the large synchronous pulley through a synchronous belt; the servo motor b drives the small synchronous belt pulley to rotate, and then power is transmitted to the screw rod connected with the large synchronous belt pulley through the synchronous belt.
Optionally, the cylinder axially drives the motor fixing seat, the bearing, the rotating shaft and the cutter clamping arm to move backwards to complete a cutter pulling action, wherein a cutter can be mounted on the cutter clamping arm;
the servo motor a can drive the rotating shaft and the cutter clamping arm to rotate 180 degrees so as to complete the position exchange of the cutter; and the cylinder axially drives the motor fixing seat, the bearing, the rotating shaft and the cutter clamping arm to move forwards to finish the cutter inserting action.
In one embodiment, the lead screw comprises a lead screw body and a lead screw nut, the lead screw body is fixed on the base, the lead screw nut is fixed on the sliding table, and the lead screw body is in threaded connection with the lead screw nut.
The utility model provides a pair of novel tool changing device can realize tool changing device high-efficiently.
In addition, according to the novel structure of tool changing device of an embodiment, the automatic exchange of the tool in numerical control machining center main shaft and the tool magazine is realized through the linear motion and the rotary motion of two sets of servo motors and the linear motion of the cylinder, so that the stable and accurate operation of the machining center is ensured, and the production requirement is met.
The tool changing device is realized by a rotating mechanism driven by a servo motor, a transverse moving mechanism of a screw rod and a tool plugging and unplugging mechanism arranged in front of and behind an air cylinder. The utility model discloses a structural style is novel, and servo motor control is accurate, and the cylinder makes plug sword mechanism action quicker.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a front view of a tool changer of a numerical control machine according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a tool changer of a numerical control machine according to an embodiment of the present invention;
fig. 3 is a schematic view of the overall structure of the tool changer of the numerical control machine tool according to the embodiment of the invention;
fig. 4 is a left side view of the tool changer of the numerical control machine according to the embodiment of the present invention;
reference numerals: a base-1; a guide rail-2; a cylinder-3; a-4 of a servo motor; a tool setting seat-5; a sliding table-6; a servo motor b-7; a screw rod-8; a motor fixing seat-9; a bearing-10; a rotating shaft-11; a gripper arm-12; a cutter-14; a small synchronous pulley-15; a synchronous belt-16; a large synchronous pulley-17.
Detailed Description
The invention will be further described with reference to the following examples. The knife changing mode that cam structure was adopted to current digit control machine tool changing device mostly, the utility model discloses the machining precision of inventor discovery cam influences the precision of tool changing. The utility model discloses in the tool changing action to the cam provide the technical scheme of a three independent tool changing action. Use the utility model discloses a lathe tool changer can simplify the processing degree of difficulty of part, and the more efficient realizes the tool changing action.
According to one embodiment, the novel numerical control machine tool changing device comprises a transverse moving mechanism, a tool plugging and unplugging mechanism and a rotating mechanism. The plug-pull knife mechanism is fixedly arranged above the transverse moving mechanism, the rotating mechanism is arranged on the plug-pull knife mechanism and can move back and forth together with the plug-pull knife mechanism, the transverse moving mechanism drives the plug-pull knife mechanism and the rotating mechanism to move left and right together, and the rotating mechanism drives a knife assembled on the rotating mechanism to rotate.
According to one embodiment, the rotating mechanism is driven by a servo motor, and the knife pulling or knife inserting action of the knife inserting and pulling mechanism is realized by a cylinder connected with the knife pulling or knife inserting mechanism.
As shown in fig. 1 to 3, the tool changer for a numerical control machine tool includes a base 1 and a guide rail 2. The guide rail 2 is fixedly connected to the base 1. The transverse moving mechanism comprises a sliding table 6, a servo motor b7 and a screw rod 8. The slide table 6 is disposed above the guide rail 2 and can slide relative to the guide rail 2. For example, as shown in fig. 2, the lower bottom surface of the slide table 6 is provided with a groove, and the groove of the slide table 6 is attached to a guide rail (for example, to a rail slider) so that the slide table 6 can move on the guide rail. The moving direction of the sliding table is vertical to the moving direction of the plugging knife mechanism. In one embodiment, a guide rail is provided on each side of the base 1, and a corresponding groove is provided on each side of the lower bottom surface of the sliding device.
The servo motor b7 is connected with the screw rod 8 so as to drive the screw rod 8 to rotate. In the embodiment of fig. 1, the servomotor b7 is arranged within the base 1. The arrangement direction of the lead screw 8 is parallel to the direction of the guide rail.
As shown in fig. 1, the lateral movement mechanism further includes a small timing pulley 15 and a large timing pulley 17 mounted on the base 1. The servo motor b7 is connected with the small synchronous pulley 15, and the small synchronous pulley 15 is connected with the large synchronous pulley 17 through a synchronous belt 16. The servo motor b7 drives the small synchronous pulley 15 to rotate, and then the power is transmitted to the screw 8 connected with the large synchronous pulley 17 through the synchronous belt 16. As shown in fig. 1. One end of the lead screw 8 is inserted into the center of the large timing pulley 17. In one embodiment, the lead screw 8 and the large synchronous wheel 17 can be connected through an expansion sleeve.
In one embodiment, the lead screw 8 includes a lead screw body and a lead screw nut. The lead screw body is fixed on the base, and the lead screw nut and the bearing are fixed on the sliding table. For example, a through hole is formed on the sliding table 6 or between the base 1 and the sliding table 6, a bearing is arranged in the through hole, and the inner surface of the bearing is a threaded surface. The feed screw body passes through the feed screw nut so that the slide table 6 is in threaded connection with the feed screw 8 through the feed screw nut. The lead screw body is connected with the base 1 through a bearing and a lead screw nut. As the slide table 6 moves along the rail slide, the lead screw body rotates and moves relative to the lead screw nut.
As shown in fig. 1, the slotting cutter mechanism includes a cylinder 3. The lateral movement mechanism includes a striking base 5. The slide table 6 is equipped with a striking block 5. The cylinder 3 is fixed on the striking block 5.
As shown in fig. 1 to 3, the rotating mechanism includes a servo motor a4, a rotating shaft 11 connected to the servo motor a4, and a gripper arm 12 mounted on the rotating shaft 11. As shown in fig. 1, the cylinder 3 is fixed to the lower portion of the striking plate 4, and the servomotor a4 is fixed to the upper portion of the striking plate. The upper servo motor a4 is fixed by a motor fixing seat 9 arranged at one side of the cylinder 3. A bearing 10 is arranged between the motor fixing seat 9 and the rotating shaft 11.
Preferably, the striking block 5 has an inner cavity. The motor fixing seat 9 is positioned in the inner cavity of the beater seat 5. The rotating shaft 11 extends through the inner cavity of the beater seat 5, and the outer surface of the rotating shaft 11 is sleeved with a copper sleeve. The copper bush is used for reducing mutual abrasion between the rotating shaft 11 and the unclamping seat 5 and prolonging the service life of the device.
Preferably, as shown in fig. 3 and 4, the tool clamping arm 12 is provided at both ends thereof with clamps capable of clamping the tool 14. The clamps arranged at the two ends can ensure that the cutter can be replaced more conveniently and rapidly.
The utility model discloses a tool changing device theory of operation as follows:
the servo motor b7 drives the screw rod 8 to drive the sliding table 6 and the unclamping seat 5, the servo motor a4, the motor fixing seat 9, the bearing 10, the rotating shaft 11, the tool clamping arm 12 and the copper sleeve assembled on the sliding table 6 to integrally slide left and right through the small synchronous belt pulley 15, the synchronous belt 16 and the large synchronous belt pulley 17 so as to realize leftward movement and complete tool grabbing action in the direction of the tool magazine; the right movement completes the knife grabbing action in the main shaft direction.
After the left or right knife grabbing action is completed, the air cylinder 3 axially drives the motor fixing seat 9, the bearing 10, the rotating shaft 11, the knife clamping arm 12 and the copper sleeve 13 to move backwards to complete the knife pulling action of the knife pulling main shaft or the knife magazine.
After the tool pulling operation is completed, the servo motor a4 drives the rotating shaft 11 and the tool clamping arm 12 (the tool 14 is mounted on the tool clamping arm 12) to rotate 180 ° to complete the position exchange process of the tool 14.
After the position of the tool 14 is exchanged, the cylinder 3 axially drives the motor fixing seat 9, the bearing 10, the rotating shaft 11, the tool clamping arm 12 and the tool 14 to move forward to complete the tool inserting action of the main shaft or the tool of the tool magazine. Thereby completing the whole exchange process of the machining center cutter.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A novel tool changing device of a numerical control machine tool is characterized by comprising a transverse moving mechanism, a tool plugging and unplugging mechanism and a rotating mechanism; the plug-pull knife mechanism is fixedly arranged above the transverse moving mechanism, the rotating mechanism is arranged on the plug-pull knife mechanism and can move back and forth together with the plug-pull knife mechanism, the transverse moving mechanism drives the plug-pull knife mechanism and the rotating mechanism to move left and right together, and the rotating mechanism drives a knife assembled on the rotating mechanism to rotate.
2. The novel numerical control machine tool changing device of claim 1, further comprising a base (1) and a guide rail (2); the guide rail (2) is fixedly connected to the base (1); the transverse moving mechanism comprises a servo motor b (7), a screw rod (8) and a sliding table (6); the sliding table (6) is arranged above the guide rail (2) and can slide relative to the guide rail (2); and the servo motor b (7) is connected with the screw rod (8) so as to drive the screw rod (8) to rotate, and the sliding table (6) is also connected with the base (1) through the screw rod (8).
3. The novel tool changer for the numerical control machine tool is characterized by comprising a cylinder (3), wherein the cylinder (3) is fixedly arranged above the sliding table (6);
the rotary mechanism comprises a servo motor a (4), a rotary shaft (11) connected with the servo motor a (4) and a cutter clamping arm (12) installed on the rotary shaft (11), wherein the servo motor a (4) is fixed through a motor fixing seat (9) installed on one side of the air cylinder (3), and a bearing (10) is arranged between the motor fixing seat (9) and the rotary shaft (11).
4. A new tool changer for numerically controlled machine tools according to claim 3, characterized in that a striking block (5) is fitted on the slide table (6), and the cylinder (3) is fixed on the striking block (5).
5. The novel numerical control machine tool changing device as claimed in claim 3, characterized in that the two ends of the tool clamping arm (12) are provided with clamps capable of clamping the tool (14).
6. The novel tool changer for the numerical control machine tool is characterized in that the tapping seat (5) is provided with an inner cavity, the rotating shaft (11) extends through the inner cavity of the tapping seat (5), and the outer surface of the rotating shaft (11) is sleeved with a copper sleeve.
7. The novel tool changer for the numerical control machine tool is characterized in that the transverse moving mechanism further comprises a small synchronous pulley (15) and a large synchronous pulley (17) which are arranged on the base (1), the servo motor b (7) is connected with the small synchronous pulley (15), and the small synchronous pulley (15) is connected with the large synchronous pulley (17) through a synchronous belt (16); the servo motor b (7) drives the small synchronous belt wheel (15) to rotate, and then power is transmitted to the screw rod (8) connected with the large synchronous belt wheel (17) through the synchronous belt (16).
8. The novel tool changer for the numerical control machine tool is characterized in that the air cylinder (3) axially drives the motor fixing seat (9), the bearing (10), the rotating shaft (11) and the tool clamping arm (12) to move backwards to complete the tool pulling action, wherein a tool can be mounted on the tool clamping arm (12);
the servo motor a (4) can drive the rotating shaft (11) and the cutter clamping arm (12) to rotate 180 degrees so as to complete the position exchange of the cutter; and the cylinder (3) drives the motor fixing seat (9), the bearing (10), the rotating shaft (11) and the cutter clamping arm (12) to move forwards in the axial direction to complete the cutter inserting action.
9. The novel tool changer for the numerical control machine tool is characterized in that the lead screw (8) comprises a lead screw body and a lead screw nut, the lead screw body is fixed on the base (1), the lead screw nut is fixed on the sliding table (6), and the lead screw body is in threaded connection with the lead screw nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920429152.1U CN210255306U (en) | 2019-04-01 | 2019-04-01 | Novel tool changing device of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920429152.1U CN210255306U (en) | 2019-04-01 | 2019-04-01 | Novel tool changing device of numerical control machine tool |
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| Publication Number | Publication Date |
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| CN210255306U true CN210255306U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920429152.1U Active CN210255306U (en) | 2019-04-01 | 2019-04-01 | Novel tool changing device of numerical control machine tool |
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| CN (1) | CN210255306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977331A (en) * | 2021-11-19 | 2022-01-28 | 中国兵器装备集团自动化研究所有限公司 | Flexible automatic tool setting device |
-
2019
- 2019-04-01 CN CN201920429152.1U patent/CN210255306U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977331A (en) * | 2021-11-19 | 2022-01-28 | 中国兵器装备集团自动化研究所有限公司 | Flexible automatic tool setting device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231107 Address after: Building 1 and Building 2, No. 41 Furong Avenue, Huadu District, Guangzhou City, Guangdong Province, 510813 Patentee after: Guangzhou Feihong Intelligent Equipment Co.,Ltd. Address before: 510800 a-c and office building of Changgang village, Shiling Town, Huadu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU FEIHONG INTELLIGENCE SCIENCE TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |