High-precision double-station positioner

Abstract

The utility model relates to the technical field of position changing machines, in particular to a high-precision double-station position changing machine which comprises a machine tool base, a machine tool protective cover, a first position changing machine and a second position changing machine, and the second position changing machine and the first position changing machine are the same in structure. A first guide rail and a second guide rail are arranged on the machine tool base; the machine tool protective cover is arranged on the machine tool base; the first positioner comprises a station base, a limiting groove, a station table, a first driving device and a second driving device; the station base is arranged on the machine tool base, the limiting groove is formed in the station base, the station table is arranged on the limiting groove, the station table is connected with the limiting groove through a bolt, the first driving device is used for driving the first positioner to move left and right along the guide rail, and the second driving device is used for driving the station table to rotate along the central axis of the station table. And the flexibility and the working efficiency of the positioner are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioners, in particular to a high-precision double-station positioner. Background Art

[0002] A positioner is a specialized welding auxiliary device suitable for rotary welding operations. It can change the position of a clamped workpiece to facilitate assembly, processing, or welding operations with other equipment or manual labor. When used in conjunction with a manipulator and welding machine, a positioner can form an automated welding center, enabling efficient and precise welding operations.

[0003] Conventional positioners can usually only rotate or flip along a fixed axis, so their working range is relatively limited. This may result in the positioner being unable to meet the full range of position and angle changes required for certain complex welding or assembly tasks. Utility Model Content

[0004] To this end, the utility model provides a high-precision double-station positioner to overcome the problems of low working efficiency and poor flexibility of the positioner in the prior art.

[0005] To achieve the above object, the utility model provides a high-precision double-position positioner, comprising a machine tool base, a machine tool protective cover, a first positioner and a second positioner, wherein the second positioner has the same structure as the first positioner;

[0006] The machine tool base is provided with a first guide rail and a second guide rail, and the machine tool protective cover is provided on the machine tool base;

[0007] The first positioner includes a station base, a limiting groove, a station table, a first driving device and a second driving device;

[0008] The workstation base is arranged on the machine tool base, the limit groove is arranged on the workstation base, the workstation platform is arranged on the limit groove, the workstation platform and the limit groove are connected by bolts, the first driving device is used to drive the first positioner to move left and right along the guide rail, and the second driving device is used to drive the workstation platform to rotate along the central axis of the workstation platform.

[0009] Furthermore, a first slider, a second slider, a third slider and a fourth slider are provided on the bottom surface of the workstation base, wherein the first slider and the second slider are in contact with the first guide rail, and the third slider and the fourth slider are in contact with the second guide rail.

[0010] Furthermore, the first driving device includes a first connecting plate, a first motor, a first transmission, a first driving gear and a first rack;

[0011] The first transmission is fixed on the first connecting plate, the input end of the first transmission is provided with a first motor, the output end of the first transmission is provided with a first driving gear, the first driving gear is engaged with the first rack, wherein the first rack is arranged laterally along the guide rail.

[0012] Furthermore, a first driven gear is provided on the bottom surface of the workstation base.

[0013] Furthermore, the second driving device includes a second connecting plate, a second motor, a second transmission, a second driving gear and a second rack;

[0014] The second transmission is fixed on the second connecting plate, the input end of the second transmission is provided with a second motor, the output end of the second transmission is provided with a second drive gear, the second drive gear is engaged with the second rack, wherein the second rack is provided on the outer wall of the limiting groove.

[0015] Furthermore, a dustproof cover is provided on the outer side of the second rack.

[0016] Furthermore, a groove is provided on the lower surface of the workstation, and a dustproof strip is provided in the groove.

[0017] Furthermore, limit blocks are provided at both ends of the machine tool base between the first guide rail and the second guide rail.

[0018] Furthermore, an anti-collision rod group is provided at one end of the bottom surface of the workstation base away from the end of the machine tool base, wherein the anti-collision rod group is provided with a first position sensor.

[0019] Furthermore, a second position sensor is provided at one end of the bottom surface of the workstation base close to the end of the machine tool base.

[0020] Compared with the prior art, the beneficial effect of the present invention is that the present invention adopts a double-station design, which can process at the same time and improves production efficiency.

[0021] Furthermore, a first guide rail and a second guide rail are provided on the machine tool base, and a first slider, a second slider, a third slider and a fourth slider are provided on the bottom surface of the workstation base, which together constitute a stable moving system, ensuring the high precision and stability of the positioner during movement.

[0022] Furthermore, the first drive device and the second drive device both use a combination of a motor, a transmission and a drive gear, and achieve precise transmission through a rack, thereby improving the transmission accuracy and ensuring the smoothness of movement.

[0023] Furthermore, a first driven gear is provided on the bottom surface of the workstation base to further ensure the stability of movement.

[0024] Furthermore, the second driving device can drive the worktable to rotate along the center axis of the worktable, which allows the workpiece to be processed at multiple angles, thereby improving processing flexibility.

[0025] Furthermore, the anti-collision bar and position sensor can monitor the operating status of the positioner in real time to avoid collision and damage.

[0026] Furthermore, the provision of the dustproof shell and the dustproof strip can prevent dust and pollutants from entering the interior of the positioner, thereby ensuring the normal operation of the equipment and extending the service life of the positioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a structural diagram of a high-precision double-station positioner according to an embodiment of the present utility model;

[0028] Figure 2 This is a schematic diagram of the bottom structure of the first positioner according to an embodiment of the present utility model;

[0029] Figure 3 This is a schematic diagram of the partial structure of the first positioner according to an embodiment of the present utility model;

[0030] Figure 4 This is a schematic cross-sectional structural diagram of the first positioner according to an embodiment of the present utility model;

[0031] In the figure: 1. machine tool base; 11. second position sensor; 2. machine tool protective cover; 3. first positioner; 31. workstation base; 311. first slider; 312. second slider; 313. third slider; 314. fourth slider; 315. first driven gear; 316. anti-collision bar group; 317. first position sensor; 32. limit groove; 33. workstation; 331. groove; 332. dustproof strip; 34. first driving device; 341. first connecting plate; 342. first motor; 343. first transmission; 344. first driving gear; 345. first rack; 35. second driving device; 351. second connecting plate; 352. second motor; 353. second transmission; 354. second driving gear; 355. second rack; 356. dustproof cover; 4. second positioner; 5. first guide rail; 51. limit block; 6. second guide rail. DETAILED DESCRIPTION

[0032] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the embodiments described below are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] It should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0034] In the description of the present invention, “a plurality of” means at least two, such as two, three, etc., unless otherwise clearly defined.

[0035] In the description of the embodiments of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on the specific circumstances.

[0036] See also Figures 1 to 4 , which are respectively a schematic structural diagram of a high-precision double-station positioner according to an embodiment of the present invention; a schematic structural diagram of the bottom of the first positioner according to an embodiment of the present invention; a schematic structural diagram of the local structure of the first positioner according to an embodiment of the present invention; and a schematic structural diagram of the cross-section of the first positioner according to an embodiment of the present invention.

[0037] The embodiment of the present utility model is a high-precision double-station positioner, comprising: a machine tool base 1, a machine tool protective cover 2, a first positioner 3 and a second positioner 4, wherein the second positioner 4 has the same structure as the first positioner 3;

[0038] The machine tool base 1 is provided with a first guide rail 5 and a second guide rail 6, and the machine tool protective cover 2 is provided on the machine tool base 1;

[0039] The first positioner 3 includes a station base 31, a limiting groove 32, a station platform 33, a first driving device 34 and a second driving device 35;

[0040] The workstation base 31 is arranged on the machine tool base 1, the limiting groove 32 is arranged on the workstation base 31, the workstation platform 33 is arranged on the limiting groove 32, and the workstation platform 33 is connected to the limiting groove 32 by bolts. The first driving device 34 is used to drive the first positioner 3 to move left and right along the guide rail, and the second driving device 35 is used to drive the workstation platform 33 to rotate along the central axis of the workstation platform 33.

[0041] Specifically, a first slider 311, a second slider 312, a third slider 313 and a fourth slider 314 are provided on the bottom surface of the work station base 31, wherein the first slider 311 and the second slider 312 are in contact with the first guide rail 5, and the third slider 313 and the fourth slider 314 are in contact with the second guide rail 6.

[0042] Specifically, the first driving device 34 includes a first connecting plate 341, a first motor 342, a first transmission 343, a first driving gear 344 and a first rack 345;

[0043] The first transmission 343 is fixed on the first connecting plate 341, and the input end of the first transmission 343 is provided with a first motor 342, and the output end of the first transmission 343 is provided with a first driving gear 344, which is engaged with the first rack 345, wherein the first rack 345 is arranged horizontally along the guide rail.

[0044] Specifically, a first driven gear 315 is further provided on the bottom surface of the workstation base 31. This arrangement reduces friction and vibration during the movement of the positioner and improves working stability.

[0045] Specifically, the second driving device 35 includes a second connecting plate 351, a second motor 352, a second transmission 353, a second driving gear 354 and a second rack 355;

[0046] The second transmission 353 is fixed on the second connecting plate 351, and a second motor 352 is provided at the input end of the second transmission 353, and a second driving gear 354 is provided at the output end of the second transmission 353. The second driving gear 354 is engaged with the second rack 355, wherein the second rack 355 is provided on the outer wall of the limiting groove 32.

[0047] Specifically, a dust cover 356 is provided on the outer side of the second rack 355, so as to prevent impurities in the working environment from entering the gear and affecting the normal operation of the machine and ensure the safety of work.

[0048] Specifically, a groove 331 is provided on the lower surface of the workstation 33 , and a dustproof strip 332 is provided in the groove 331 .

[0049] Specifically, limit blocks 51 are provided at both ends of the machine tool base 1 between the first guide rail 5 and the second guide rail 6 .

[0050] Specifically, an anti-collision rod group 316 is provided at one end of the bottom surface of the workstation base 31 away from the end of the machine tool base 1 , wherein the anti-collision rod group 316 is provided with a first position sensor 317 .

[0051] Specifically, a second position sensor 11 is provided on one end of the bottom surface of the workstation base 31 close to the end of the machine tool base 1 .

[0052] Specifically, the first position sensor and the second position sensor are, for example, magnetic position sensors, electromagnetic position sensors or contact sensors, without specific limitation, and are used to monitor the position of the positioner to prevent the positioner from being damaged by collision.

[0053] For those skilled in the art, according to the concept of the embodiments of the present invention, there may be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A high-precision double-station positioner, characterized in that: It includes a machine tool base, a machine tool protective cover, a first positioner and a second positioner, wherein the second positioner has the same structure as the first positioner; The machine tool base is provided with a first guide rail and a second guide rail, and the machine tool protective cover is provided on the machine tool base; The first positioner includes a station base, a limiting groove, a station table, a first driving device and a second driving device; The workstation base is arranged on the machine tool base, the limit groove is arranged on the workstation base, the workstation platform is arranged on the limit groove, the workstation platform and the limit groove are connected by bolts, the first driving device is used to drive the first positioner to move left and right along the guide rail, and the second driving device is used to drive the workstation platform to rotate along the central axis of the workstation platform.

2. The high-precision double-station positioner according to claim 1, characterized in that: A first slider, a second slider, a third slider and a fourth slider are provided on the bottom surface of the station base, wherein the first slider and the second slider are in contact with the first guide rail, and the third slider and the fourth slider are in contact with the second guide rail.

3. The high-precision double-station positioner according to claim 2, characterized in that: The first driving device includes a first connecting plate, a first motor, a first transmission, a first driving gear and a first rack; The first transmission is fixed on the first connecting plate, the input end of the first transmission is provided with a first motor, the output end of the first transmission is provided with a first driving gear, the first driving gear is engaged with the first rack, wherein the first rack is arranged laterally along the guide rail.

4. A high-precision double-station positioner according to claim 3, characterized in that: A first driven gear is also provided on the bottom surface of the station base.

5. The high-precision double-station positioner according to claim 4, characterized in that: The second driving device includes a second connecting plate, a second motor, a second transmission, a second driving gear and a second rack; The second transmission is fixed on the second connecting plate, the input end of the second transmission is provided with a second motor, the output end of the second transmission is provided with a second drive gear, the second drive gear is engaged with the second rack, wherein the second rack is provided on the outer wall of the limiting groove.

6. The high-precision double-station positioner according to claim 5, characterized in that: A dustproof shell is provided on the outer side of the second rack.

7. A high-precision double-station positioner according to claim 6, characterized in that: A groove is provided on the lower surface of the workstation, and a dustproof strip is provided in the groove.

8. The high-precision double-station positioner according to claim 7, characterized in that: Limit blocks are provided at both ends of the machine tool base between the first guide rail and the second guide rail.

9. The high-precision double-station positioner according to claim 8, characterized in that: An anti-collision rod group is provided at one end of the bottom surface of the workstation base away from the end of the machine tool base, wherein the anti-collision rod group is provided with a first position sensor.

10. The high-precision double-station positioner according to claim 9, characterized in that: A second position sensor is provided on one end of the bottom surface of the workstation base close to the end of the machine tool base.

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