Self-driven high-precision articulated arm coordinate detection machine

Abstract

The utility model relates to the technical field of coordinate detection machines, and discloses a self-driven high-precision articulated arm coordinate detection machine which comprises a base, the top of the base is rotatably connected with a supporting column, the top of the supporting column is fixedly connected with a frame plate, one side face of the frame plate is rotatably connected with a first connecting arm, and the first connecting arm is fixedly connected with a second connecting arm. A connecting plate is movably installed at the bottom of the base, and one side face of the connecting plate is in threaded connection with a bolt. The utility model has the following advantages and effects: the handle is fixed at the top of the pressing plate, so that a worker can conveniently grasp by hand, take up the pressing plate, clamp the clamping block corresponding to the clamping hole, position the clamping block and the clamping hole conveniently, and press the pressing plate forcibly, so that the first sucking disc is adsorbed with the table top, the pressing plate is fixed, and the top of the connecting plate is limited and fixed by the pressing plate; when the first connecting arm is driven to work to generate vibration, the base is fixed to the table top more stably, shaking and toppling are avoided, the stability is improved, and after use, the pressing plate is forcibly lifted upwards.

Description

Technical Field

[0001] The utility model relates to the technical field of coordinate detection machines, in particular to a self-driven high-precision articulated arm coordinate detection machine. Background Art

[0002] The technology of articulated arm coordinate measuring machines is mature and has formed certain application fields. However, manual measurement and the different measurement forces, speeds and accelerations caused by manual measurement result reliability and poor reproducibility. In addition, the offline measurement model has low measurement efficiency and cannot be applied to production lines or machine tools for online automatic measurement.

[0003] In the prior art, Chinese patent publication number CN109373900A discloses a self-driven articulated arm coordinate measuring machine. The measuring machine consists of a base, three self-driven rotary joints, three self-driven swing joints, three articulated arms and a constant force trigger probe. Circular gratings are installed inside the three self-driven rotary joints and three self-driven swing joints to measure the joint angles. The present invention uses a self-driven joint driven measuring machine with a servo motor to automatically measure the workpieces on the production line online. Compared with the traditional articulated arm measuring machine, this online automatic measurement mode is more efficient and has better measurement stability.

[0004] However, when the utility model is actually used, the coordinate detection machine will produce certain vibrations when the body rotates, which may cause the bottom center of gravity to be unstable and prone to tipping, affecting the stability of the detection head, so it needs to be improved. Utility Model Content

[0005] The utility model aims to provide a self-driven high-precision articulated arm coordinate detection machine, which has the effect of making the base more stable by being fixed on the table, avoiding shaking and tipping, and improving stability.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a self-driven high-precision articulated arm coordinate detection machine, comprising a base, the top of the base is rotatably connected to a pillar, the top of the pillar is fixedly connected to a frame plate, one side of the frame plate is rotatably connected to a first connecting arm, the bottom of the base is movably equipped with a connecting plate, one side of the connecting plate is threadedly connected to a bolt, the bottom of the connecting plate is provided with a clamping hole, the inner wall of the clamping hole is clamped with a clamping block, the top of the clamping block is fixedly connected to a pressure plate, and the bottom of the pressure plate is fixedly connected to a first suction cup.

[0007] By adopting the above technical solution, when in use, the staff puts the base on the table top where it needs to be fixed, adjusts the placement, and then fixes the connecting plate to the bottom of the base through bolts. There are four connecting plates, and four corresponding pressing plates are installed. A handle is fixed on the top of the pressing plate to facilitate the staff to grasp it. The pressing plate is picked up to make the card block corresponding to the card hole. The card block and the card hole are easy to position. The pressing plate is pressed hard so that the first suction cup is adsorbed on the table top to fix the pressing plate, so that the top of the connecting plate is limited and fixed by the pressing plate. When the first connecting arm drives the work to generate vibration, the base is fixed on the table top more stably to avoid shaking and tipping over, and improve stability. After use, the pressing plate can be lifted up with force. The operation is simple.

[0008] The utility model is further configured as follows: a second suction cup is fixedly connected to the bottom of the clamping block, and the number of the first suction cups is three.

[0009] By adopting the above technical solution, when the clamping block is clamped, the second suction cup is also adsorbed to the table surface, thereby improving the firmness of the adsorption.

[0010] The utility model is further configured as follows: a servo motor is fixedly connected to the inner wall of the base, and a motor shaft is fixedly connected to the output end of the servo motor.

[0011] By adopting the above technical solution, the servo motor drives the motor shaft to rotate, thereby driving the support to rotate and perform rotation adjustment.

[0012] The utility model is further configured as follows: a first motor is fixedly connected to the other side surface of the frame plate, and a first rotating shaft is fixedly connected to the output end of the first motor.

[0013] By adopting the above technical solution, after the first motor is started, it drives the first rotating shaft to rotate.

[0014] The utility model is further configured as follows: the first rotating shaft is fixedly connected to the outer surface of the first connecting arm, and a rotating groove is provided at one end of the first connecting arm.

[0015] By adopting the above technical solution, the first rotating shaft drives the first connecting arm to rotate, so that the first connecting arm has driving power.

[0016] The utility model is further configured as follows: the inner wall of the rotating groove is rotatably connected to a second connecting arm, and the outer surface of the first connecting arm is fixedly connected to a second motor.

[0017] By adopting the above technical solution, the second connecting arm is connected to the first connecting arm through the rotating groove, and the second motor is started when the second connecting arm needs to rotate.

[0018] The utility model is further configured as follows: an output end of the second motor is fixedly connected to a second rotating shaft, and one end of the second rotating shaft is fixedly connected to a second connecting arm.

[0019] By adopting the above technical solution, the second motor drives the second rotating shaft to rotate, thereby driving the second connecting arm to rotate and adjust.

[0020] The utility model is further configured as follows: one end of the second connecting arm is fixedly connected to a connecting plate, and the outer surface of the connecting plate is rotatably connected to a third connecting arm.

[0021] By adopting the above technical solution, the third connecting arm increases the rotation adjustment range and improves flexibility, thereby improving accuracy during use.

[0022] The utility model is further configured as follows: a third motor is fixedly connected to the outer surface of the third connecting arm, and the number of the third motors is two.

[0023] By adopting the above technical solution, two third motors are used as driving sources of the third connecting arm, and the two third motors are of similar size.

[0024] The utility model is further configured as follows: an adjusting arm is rotatably connected to the inner wall of the third connecting arm, and a coordinate detection head is arranged at the bottom of the adjusting arm.

[0025] By adopting the above technical solution, the adjustment arm can also rotate, thereby driving the coordinate detection head to rotate flexibly.

[0026] The beneficial effects of the utility model are:

[0027] 1. The utility model, through the coordinated arrangement among the base, the pillar, the frame plate, the first connecting arm, the connecting plate, the bolts, the clamping holes, the clamping blocks, the pressing plates and the first suction cup, can make the device in use. When in use, the staff puts the base on the tabletop where it needs to be fixed, adjusts the placement, and fixes the connecting plate to the bottom of the base through the bolts. A handle is fixed on the top of the pressing plate for the convenience of the staff to grasp it by hand, pick up the pressing plate, and make the clamping blocks corresponding to the clamping holes for easy positioning. The clamping blocks and the clamping holes are pressed hard, so that the first suction cup is adsorbed on the tabletop to fix the pressing plate, so that the top of the connecting plate is fixed by the pressing plate. When the first connecting arm drives the work to generate vibration, the base is fixed on the tabletop more stably to avoid shaking and tipping over, and improve stability. After use, the pressing plate can be lifted up with force, which is simple to operate.

[0028] 2. The utility model, through the coordination arrangement among the servo motor, the motor shaft, the first motor, the first shaft, the groove, the second connecting arm, the second motor, the second shaft, the connecting plate, the third connecting arm, the third motor, the second suction cup, the adjusting arm and the coordinate detection head, can make the device in use, when the card block is engaged, the second suction cup is also adsorbed to the table surface to improve the firmness of the adsorption, the servo motor drives the motor shaft to rotate, thereby driving the pillar to rotate and perform rotation adjustment, after the first motor is started, it drives the first shaft to rotate, the first shaft drives the first connecting arm to rotate, so that the first connecting arm has driving power, the second connecting arm and the first connecting arm are connected by the groove, when the second connecting arm needs to rotate, the second motor is started, the second motor drives the second shaft to rotate, drives the second connecting arm to rotate and adjust, the third connecting arm increases the rotation adjustment range, enhances flexibility, thereby improving accuracy when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 It is a schematic diagram of the structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the structure of the pressing plate of the utility model;

[0032] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0033] Figure 4 This is a schematic diagram of the structure of the third connecting arm of the utility model.

[0034] In the figure, 1, base; 2, pillar; 3, frame plate; 4, first connecting arm; 5, connecting plate; 6, bolt; 7, clamping hole; 8, clamping block; 9, pressure plate; 10, first suction cup; 11, servo motor; 12, motor shaft; 13, first motor; 14, first shaft; 15, rotating groove; 16, second connecting arm; 17, second motor; 18, second shaft; 19, connecting plate; 20, third connecting arm; 21, third motor; 22, second suction cup; 23, adjusting arm; 24, coordinate detection head. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Reference Figure 1-4A self-driven high-precision articulated arm coordinate detection machine comprises a base 1, the top of the base 1 is rotatably connected to a pillar 2, the top of the pillar 2 is fixedly connected to a frame plate 3, one side of the frame plate 3 is rotatably connected to a first connecting arm 4, a connecting plate 5 is movably installed at the bottom of the base 1, one side of the connecting plate 5 is threadedly connected to a bolt 6, a clamping hole 7 is provided at the bottom of the connecting plate 5, a clamping block 8 is clamped on the inner wall of the clamping hole 7, a pressing plate 9 is fixedly connected to the top of the clamping block 8, and a first suction cup 10 is fixedly connected to the bottom of the pressing plate 9. When in use, the staff puts the base 1 on the table where it needs to be fixed, adjusts the placement position, and then fixes the connecting plate 5 to the bottom of the base 1 through the bolt 6. There are four connecting plates 5, corresponding to which four pressing plates 9 are installed. The pressing plate 9 A handle is fixed on the top for the convenience of the staff to grasp it, pick up the pressure plate 9, and make the card block 8 correspond to the card hole 7 for card connection. The card block 8 and the card hole 7 are convenient for positioning. Press the pressure plate 9 hard, so that the first suction cup 10 is adsorbed with the table surface, so that the pressure plate 9 is fixed, so that the top of the connecting plate 5 is limited and fixed by the pressure plate 9. When the first connecting arm 4 drives the work to vibrate, the base 1 is fixed on the table surface more stably to avoid shaking and tipping, and improve stability. After use, lift the pressure plate 9 upward with force. The operation is simple. The bottom of the card block 8 is fixedly connected to the second suction cup 22. The number of the first suction cup 10 is three. When the card block 8 is engaged, the second suction cup 22 is also adsorbed with the table surface to improve the firmness of the adsorption. The inner wall of the base 1 is fixedly connected to a servo The motor 11, the output end of the servo motor 11 is fixedly connected to the motor shaft 12, the servo motor 11 drives the motor shaft 12 to rotate, thereby driving the pillar 2 to rotate and perform rotation adjustment, the other side of the frame plate 3 is fixedly connected to the first motor 13, the output end of the first motor 13 is fixedly connected to the first shaft 14, after the first motor 13 is started, it drives the first shaft 14 to rotate, the first shaft 14 is fixedly connected to the outer surface of the first connecting arm 4, a rotation groove 15 is opened at one end of the first connecting arm 4, the first shaft 14 drives the first connecting arm 4 to rotate, so that the first connecting arm 4 has driving power, the inner wall of the rotation groove 15 is rotatably connected to the second connecting arm 16, the outer surface of the first connecting arm 4 is fixedly connected to the second motor 17, the second connecting arm 16 It is connected to the first connecting arm 4 through a rotating groove 15. When the second connecting arm 16 needs to rotate, the second motor 17 is started. The output end of the second motor 17 is fixedly connected to the second rotating shaft 18. One end of the second rotating shaft 18 is fixedly connected to the second connecting arm 16. The second motor 17 drives the second rotating shaft 18 to rotate, thereby driving the second connecting arm 16 to rotate and adjust. One end of the second connecting arm 16 is fixedly connected to a connecting plate 19. The outer surface of the connecting plate 19 is rotatably connected to the third connecting arm 20. The third connecting arm 20 increases the rotation adjustment range and improves flexibility, thereby improving accuracy when used. The outer surface of the third connecting arm 20 is fixedly connected to a third motor 21. The number of the third motors 21 is two. The two third motors 21 serve as the driving source of the third connecting arm 20.The two third motors 21 are of the same size and shape. The inner wall of the third connecting arm 20 is rotatably connected with an adjusting arm 23. A coordinate detection head 24 is arranged at the bottom of the adjusting arm 23. The adjusting arm 23 can also rotate, thereby driving the coordinate detection head 24 to rotate flexibly.

[0037] When the support frame 1 is in use, the staff can fix the base 1 on the table top where it needs to be fixed, adjust the placement of the base 1, and fix the connecting plate 5 to the bottom of the base 1 through the bolts 6. There are four connecting plates 5, and four corresponding pressing plates 9 are installed. A handle is fixed on the top of the pressing plate 9. The pressing plate 9 is picked up and the clamping block 8 is clamped with the corresponding clamping hole 7. The clamping block 8 and the clamping hole 7 are convenient for positioning. The pressing plate 9 is pressed hard, so that the first suction cup 10 is adsorbed on the table top, so that the pressing plate 9 is fixed, so that the top of the connecting plate 5 is limited and fixed by the pressing plate 9. When the first connecting arm 4 is driven to work and vibrates, the base 1 is fixed on the table top more stably. After use, the pressing plate 9 can be lifted up by force. The coordination arrangement among the arm 16, the second motor 17, the second rotating shaft 18, the connecting plate 19, the third connecting arm 20, the third motor 21, the second suction cup 22, the adjusting arm 23 and the coordinate detection head 24 enables the device to be used. When the card block 8 is engaged, the second suction cup 22 is also adsorbed on the table surface. The servo motor 11 drives the motor rotating shaft 12 to rotate, thereby driving the pillar 2 to rotate and perform rotation adjustment. After the first motor 13 is started, it drives the first rotating shaft 14 to rotate. The first rotating shaft 14 drives the first connecting arm 4 to rotate, so that the first connecting arm 4 has driving power. The second connecting arm 16 and the first connecting arm 4 are connected by the rotating groove 15. When the second connecting arm 16 needs to rotate, the second motor 17 is started. The second motor 17 drives the second rotating shaft 18 to rotate, driving the second connecting arm 16 to rotate and adjust. The two third motors 21 serve as the driving source of the third connecting arm 20. The two third motors 21 are of the same size. The adjusting arm 23 can also rotate, thereby driving the coordinate detection head 24 to rotate flexibly.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-driving high-precision articulated arm coordinate detection machine, comprising a base (1), characterized in that: The top of the base (1) is rotatably connected to a pillar (2), the top of the pillar (2) is fixedly connected to a frame plate (3), one side of the frame plate (3) is rotatably connected to a first connecting arm (4), the bottom of the base (1) is movably mounted with a connecting plate (5), one side of the connecting plate (5) is threadedly connected to a bolt (6), a clamping hole (7) is provided at the bottom of the connecting plate (5), a clamping block (8) is clamped on the inner wall of the clamping hole (7), the top of the clamping block (8) is fixedly connected to a pressure plate (9), and the bottom of the pressure plate (9) is fixedly connected to a first suction cup (10).

2. The self-driving high-precision articulated arm coordinate detection machine according to claim 1, characterized in that: A second suction cup (22) is fixedly connected to the bottom of the clamping block (8), and the number of the first suction cups (10) is three.

3. The self-driving high-precision articulated arm coordinate detection machine according to claim 1, characterized in that: A servo motor (11) is fixedly connected to the inner wall of the base (1), and a motor shaft (12) is fixedly connected to the output end of the servo motor (11).

4. The self-driving high-precision articulated arm coordinate detection machine according to claim 1, characterized in that: A first motor (13) is fixedly connected to the other side of the frame plate (3), and a first rotating shaft (14) is fixedly connected to the output end of the first motor (13).

5. The self-driving high-precision articulated arm coordinate detection machine according to claim 4, characterized in that: The first rotating shaft (14) is fixedly connected to the outer surface of the first connecting arm (4), and a rotating groove (15) is formed at one end of the first connecting arm (4).

6. The self-driving high-precision articulated arm coordinate detection machine according to claim 5, characterized in that: The inner wall of the rotating groove (15) is rotatably connected to a second connecting arm (16), and the outer surface of the first connecting arm (4) is fixedly connected to a second motor (17).

7. The self-driving high-precision articulated arm coordinate detection machine according to claim 6, characterized in that: The output end of the second motor (17) is fixedly connected to a second rotating shaft (18), and one end of the second rotating shaft (18) is fixedly connected to the second connecting arm (16).

8. The self-driving high-precision articulated arm coordinate detection machine according to claim 6, characterized in that: One end of the second connecting arm (16) is fixedly connected to a connecting plate (19), and the outer surface of the connecting plate (19) is rotatably connected to a third connecting arm (20).

9. The self-driving high-precision articulated arm coordinate detection machine according to claim 8, characterized in that: A third motor (21) is fixedly connected to the outer surface of the third connecting arm (20), and the number of the third motors (21) is two.

10. The self-driving high-precision articulated arm coordinate detection machine according to claim 8, characterized in that: The inner wall of the third connecting arm (20) is rotatably connected to an adjusting arm (23), and a coordinate detection head (24) is arranged at the bottom of the adjusting arm (23).

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