Swing arm testing machine

By abolishing the Z-axis motion structure, using swing arm motor to connect to the coupling and adding bearing support to simplify the design of swing arm test machine, solving the problems of vibration and noise in the existing technology, and achieving stability and safety Product clamping and low cost production.

CN222280126UActive Publication Date: 2024-12-31WORLD BEATER PRECISION MFR WUXI
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Patent Information

Application Number
CN202421165244.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2024-12-31
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

The existing handheld walking test machines have complex structures, resulting in high vibration and noise, increasing production costs and staff risks, and unstable clamping of products.

Method used

Abolish the complex Z-axis motion structure, use swing arm motor to connect to the coupling, simplify the structure, add seat bearing support, use adjustable arm plate to adjust the swing arm length, reduce overall quality, and optimize the fixture design to improve stability and Security.

Benefits of technology

The vibration and noise reduction during swinging arm is achieved, simplified the structure, ensures stable clamping and safety of the product, while reducing production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a swing arm test machine, relates to a test machine, including support frame, arm mechanism, connecting arm and wrist mechanism, the arm mechanism includes swing arm base plate, swing arm base plate is installed on the top of support frame, its both ends are equipped with a group of swing arm auxiliary frame and a group of swing arm side plate in the auxiliary way, the swing arm base plate is equipped with the wrist mechanism. A set of swing arm motors are correspondingly installed on a set of swing arm side plates, driving shafts of the swing arm motors penetrate through the swing arm side plates to be connected with swing arm shafts through swing arm couplers, and the swing arm shafts are installed on the swing arm auxiliary frame and the swing arm base plate through two sets of swing arm mounted bearings. The connecting arm comprises two groups of rectangular blocks and an adjustable arm plate, the two groups of rectangular blocks are connected outside the corresponding swing arm shafts in an embracing manner, the adjustable arm plate is detachably connected outside the corresponding rectangular blocks, and the wrist mechanism is mounted at the bottom end of the adjustable arm plate. The structure is simplified, and meanwhile the stable and reliable product clamping effect can be achieved.
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Description

Technical Field

[0001] The utility model relates to a testing machine, in particular to a swing arm testing machine. Background Art

[0002] During the production of VI glasses, it is generally necessary to simulate human arm and wrist movements while walking to test the product by swinging it back and forth. Existing handheld walking test machines can simulate human swing tests on products on the clamping module by coordinating the arm R-axis and wrist R-axis. However, the overall structure is generally complex, which not only leads to high production costs, but also causes large vibrations and noises when the mechanism swings its arms, thus posing a greater risk to the staff. Utility Model Content

[0003] In order to solve the above-mentioned problems, the purpose of the utility model is to provide a swing arm testing machine, which eliminates the complex Z-axis motion structure to simplify the equipment, and cooperates with the use of a coupling to reduce the overall mass of the swing arm, ensuring that the vibration and noise caused by the swing of the swing arm are small. At the same time, the clamp used to clamp the product belt is optimized to simplify its structure while achieving a stable and reliable product clamping effect.

[0004] The utility model provides the following technical solutions:

[0005] A swing arm testing machine, comprising a support frame, an arm mechanism, a connecting arm and a wrist mechanism, wherein the support frame is positioned on a bottom plate with a protective plate on the periphery to improve the safety of the test, and the arm mechanism comprises a swing arm base plate, a swing arm auxiliary frame, a swing arm side plate, a swing arm motor, a swing arm coupling, a swing arm shaft, and a swing arm seat bearing, wherein the swing arm base plate is mounted on the top of the support frame, and a group of swing arm auxiliary frames and a group of swing arm side plates are auxiliary mounted on both ends of the swing arm base plate, a group of swing arm motors are correspondingly mounted on a group of swing arm side plates, and a driving shaft thereof passes through the swing arm side plates and is connected to the swing arm shaft through a swing arm coupling, and the swing arm shaft is mounted on the swing arm auxiliary frame and the swing arm base plate through two groups of swing arm seat bearings;

[0006] At this point, after the two sets of swing arm motors are started, they can drive the two sets of swing arm shafts to rotate back and forth. Since the swing arm motor is directly connected to the swing arm shaft through the swing arm coupling instead of the traditional belt transmission method, the installation structure and installation space are simplified. At the same time, by installing a swing arm auxiliary frame on the back side of the swing arm base plate, a set of swing arm seat bearings are added to the swing arm auxiliary frame, so that the original method of supporting the swing arm shaft with only one set of seat bearings is changed to two sets of swing arm seat bearings, so as to improve the stability of the swing;

[0007] The connecting arm includes two groups of rectangular blocks embracing the outside of the corresponding swing arm shaft and an adjustable arm plate detachably connected to the outside of the corresponding rectangular block. The wrist mechanism is provided with two groups, and each group of wrist mechanisms is correspondingly installed at the bottom end of two groups of oppositely arranged adjustable arm plates, and rotates and swings with the adjustable arm plates, the rectangular blocks, and the swing arm shaft;

[0008] Here, the traditional complex Z-axis motion structure is eliminated, and only two sets of adjustable arm plates with adjustable positions relative to the rectangular block are used to achieve the purpose of adjusting the length of the swing arm, thereby simplifying the structure of the swing arm and reducing the overall mass of the swing arm, ensuring that the vibration and noise caused by the swing of the swing arm are small.

[0009] Preferably, the adjustable arm plate is provided with a plurality of groups of long strip mounting holes, the plurality of groups of long strip mounting holes are arranged in two rows in a straight line, and the two groups of adjustable arm plates abutting against the outside of the two groups of rectangular blocks are arranged opposite to each other, and the long strip mounting holes on the two groups of adjustable arm plates are also arranged opposite to each other, and the fixing bolts pass through the long strip mounting holes on the two groups of adjustable arm plates, the two groups of rectangular blocks and the swing arm shaft and are locked and fixed by nuts;

[0010] The purpose of adjusting the length of the swing arm is achieved by docking the long strip mounting holes at different heights with the rectangular blocks. The opening of the long strip mounting holes can also further reduce the weight of the adjustable swing arm, so that the mass of the overall swing arm structure is smaller and the swing stability is increased.

[0011] Preferably, a set of rotating dials is also installed on the swing arm base plate, and one set of rotating dials is arranged outside the swing arm shaft. A swing arm pointer for indicating the angle scale line on the rotating dial is also installed outside the swing arm shaft, so that the swing angle of the swing arm can be clearly displayed.

[0012] Preferably, the wrist mechanism includes a wrist base plate, a wrist side plate, a wrist motor, a wrist coupling, a wrist axis, a wrist strap seat bearing, a wrist rotating seat, a wrist connecting plate, and an adjustable clamp. The wrist base plate is installed at the bottom ends of two sets of oppositely arranged adjustable arm plates, one end of which is installed with a wrist motor through a wrist side plate, the driving shaft of the wrist motor passes through the wrist side plate and is connected to the wrist axis through a wrist coupling, both ends of the wrist axis are installed on the wrist base plate through wrist strap seat bearings to improve the rotation stability, the wrist rotating seat is installed on the wrist axis between the two sets of wrist strap seat bearings, and two sets of adjustable clamps are installed thereon through a wrist connecting plate, and the adjustable clamp is used to position and clamp the product strap of the VI glasses.

[0013] Preferably, the adjustable clamp includes a fixed block fixed on the wrist connecting plate and a disassembly block detachably connected to the fixed block by a mushroom head screw, a group of through-set clamping grooves are formed between the fixed block and the disassembly block, and a transparent soft rubber pad for clamping the product strap is provided in the clamping groove. By replacing different types of disassembly blocks, the choice of whether to clamp the product strap can be achieved, which can satisfy the customer's two clamping methods. The first is to clamp the product strap to prevent it from sliding, and the second is not to tighten the product strap to allow it to slide in the clamping groove, and the structure of the soft pad can also achieve an elastic clamping effect.

[0014] Preferably, a group of sticky foam baffles are also connected to the bottom of the disassembly block, and the baffles are used for the lens body of the VI glasses to abut against and protect.

[0015] Preferably, a set of rotating dials 2 are also installed on the wrist base plate, and the rotating dials 2 are arranged outside the wrist axis. A wrist pointer is also installed outside the wrist axis. A sensor for detecting whether the pointer is in place is fixed on the back side of the rotating dials 2, so the sensor is installed at the corresponding angle. When the wrist axis rotates and drives the wrist pointer to swing to the sensor, it indicates that the rotation is in place.

[0016] The beneficial effects of the utility model are:

[0017] In a swing arm testing machine of the utility model, after the two sets of swing arm motors are started, the two sets of swing arm shafts can be driven to rotate back and forth. Since the swing arm motor is directly connected to the swing arm shaft through a swing arm coupling instead of the traditional belt drive method, the installation structure and installation space are simplified. At the same time, a swing arm auxiliary frame is installed on the back side of the swing arm base plate, and a set of swing arm seat bearings are added to the swing arm auxiliary frame. The original method of supporting the swing arm shaft with only one set of seat bearings is changed to two sets of swing arm seat bearings, so as to improve the stability of the swing; and the traditional complex Z-axis motion structure is cancelled, and only two sets of adjustable arm plates with adjustable positions relative to the rectangular block are used to achieve the purpose of adjusting the swing arm length, so as to simplify the structure of the swing arm, thereby reducing the overall mass of the swing arm, and ensuring that the vibration and noise caused by the swing of the swing arm are small. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the combination of the arm mechanism, the connecting arm and the wrist mechanism;

[0021] Figure 3 It is a structural diagram of the arm mechanism part;

[0022] Figure 4 It is a structural diagram of the wrist mechanism;

[0023] Markings in the figure:

[0024] 1. Support frame; 2. Arm mechanism; 3. Connecting arm; 4. Wrist mechanism; 5. Protective plate; 6. Bottom plate; 7. Product belt; 21. Swing arm base plate; 22. Swing arm auxiliary frame; 23. Swing arm side plate; 24. Swing arm motor; 25. Swing arm coupling; 26. Swing arm shaft; 27. Swing arm seat bearing; 28. Rotating dial 1; 29. ​​Swing arm pointer; 31. Rectangular block; 32. Adjustable arm plate; 33. Long strip mounting hole ; 41. Wrist base plate; 42. Wrist side plate; 43. Wrist motor; 44. Wrist coupling; 45. Wrist shaft; 46. Wrist belt seat bearing; 47. Wrist rotating seat; 48. Wrist connecting plate; 49. Adjustable clamp; 410. Rotating dial two; 411. Wrist pointer; 412. Sensor; 491. Fixing block; 492. Disassembly block; 493. Mushroom head screw; 494. Clamping groove; 495. Baffle. DETAILED DESCRIPTION

[0025] like Figure 1-4 As shown, a swing arm testing machine, in this embodiment, includes a support frame 1, an arm mechanism 2, a connecting arm 3 and a wrist mechanism 4, the support frame 1 is positioned on a bottom plate 6 with a protective plate 5 on the periphery to improve the safety of the test, the arm mechanism 2 includes a swing arm base plate 21, a swing arm auxiliary frame 22, a swing arm side plate 23, a swing arm motor 24, a swing arm coupling 25, a swing arm shaft 26, and a swing arm seat bearing 27, the swing arm base plate 21 is installed on the top of the support frame 1, and a group of swing arm auxiliary frames 22 and a group of swing arm side plates 23 are auxiliary installed at both ends of the swing arm base plate 21, a group of swing arm motors 24 are correspondingly installed on a group of swing arm side plates 23, and the drive shaft thereof passes through the swing arm side plates 23 and is connected to the swing arm shaft 26 through the swing arm coupling 25, and the swing arm shaft 26 is installed on the swing arm auxiliary frame 22 and the swing arm base plate 21 through two groups of swing arm seat bearings 27;

[0026] At this point, after the two sets of swing arm motors 24 are started, they can drive the two sets of swing arm shafts 26 to rotate back and forth. Since the swing arm motor 24 is directly connected to the swing arm shaft 26 through the swing arm coupling 25 instead of the traditional belt transmission method, the installation structure and installation space are simplified. At the same time, by installing a swing arm auxiliary frame 22 on the back side of the swing arm base plate 21, a set of swing arm seat bearings 27 are added to the swing arm auxiliary frame 22, so that the original method of supporting the swing arm shaft 26 with only one set of seat bearings is changed to two sets of swing arm seat bearings 27 to support, thereby improving the stability of swinging;

[0027] The connecting arm 3 includes two groups of rectangular blocks 31 connected to the outside of the corresponding swing arm shaft 26 and an adjustable arm plate 32 detachably connected to the outside of the corresponding rectangular block 31. The wrist mechanism 4 is provided with two groups, and each group of wrist mechanisms 4 is correspondingly installed at the bottom end of two groups of oppositely arranged adjustable arm plates 32, and rotates and swings with the adjustable arm plates 32, the rectangular blocks 31, and the swing arm shaft 26;

[0028] Here, the traditional complex Z-axis motion structure is eliminated, and only two sets of adjustable arm plates 32 with adjustable positions relative to the rectangular block 31 are used to achieve the purpose of adjusting the length of the swing arm, thereby simplifying the structure of the swing arm and reducing the overall mass of the swing arm, ensuring that the vibration and noise caused by the swing of the swing arm are small.

[0029] The adjustable arm plate 32 is provided with a plurality of groups of long strip mounting holes 33, which are arranged in two rows in a straight line, and the two groups of adjustable arm plates 32 abutting against the outside of the two groups of rectangular blocks 31 are arranged opposite to each other, and the long strip mounting holes 33 on the two groups of adjustable arm plates 32 are also arranged opposite to each other, and the fixing bolts pass through the long strip mounting holes 33 on the two groups of adjustable arm plates 32, the two groups of rectangular blocks 31 and the swing arm shaft 26 and are locked and fixed by nuts;

[0030] The purpose of adjusting the length of the swing arm is achieved by docking the long strip mounting holes 33 at different heights with the rectangular block 31. The opening of the long strip mounting holes 33 can also further reduce the weight of the adjustable swing arm, so that the mass of the overall swing arm structure is smaller and the swing stability is increased.

[0031] A set of rotating dials 28 are also installed on the swing arm base plate 21. The rotating dials 28 are sleeved outside the swing arm shaft 26. A swing arm pointer 29 for indicating the angle scale lines on the rotating dials 28 is also installed outside the swing arm shaft 26, so that the swing angle of the swing arm can be clearly displayed.

[0032] The wrist mechanism 4 includes a wrist base plate 41, a wrist side plate 42, a wrist motor 43, a wrist coupling 44, a wrist axis 45, a wrist strap seat bearing 46, a wrist rotating seat 47, a wrist connecting plate 48, and an adjustable clamp 49. The wrist base plate 41 is installed at the bottom end of two sets of relatively arranged adjustable arm plates 32, and one end of the wrist base plate 41 is installed with a wrist motor 43 through a wrist side plate 42. The driving shaft of the wrist motor 43 passes through the wrist side plate 42 and is connected to the wrist axis 45 through a wrist coupling 44. Both ends of the wrist axis 45 are installed on the wrist base plate 41 through wrist strap seat bearings 46 to improve the rotation stability. The wrist rotating seat 47 is installed on the wrist axis 45 between the two sets of wrist strap seat bearings 46, and two sets of adjustable clamps 49 are installed thereon through a wrist connecting plate 48. The adjustable clamp 49 is used to position and clamp the product strap 7 of the VI glasses.

[0033] The adjustable clamp 49 includes a fixed block 491 fixed on the wrist connecting plate 48 and a disassembly block 492 detachably connected to the fixed block 491 by a mushroom head screw 493, and a group of through-set clamping grooves 494 are formed between the fixed block 491 and the disassembly block 492. A transparent soft rubber pad for clamping the product strap 7 is provided in the clamping groove 494. By replacing different types of disassembly blocks 492, it is possible to choose whether to clamp the product strap 7, which can satisfy the customer's two clamping methods. The first is to clamp the product strap 7 to prevent it from sliding, and the second is to allow the product strap 7 to slide in the clamping groove 494 without tightening it, and the structure of the soft pad can also achieve an elastic clamping effect.

[0034] A group of foam baffles 495 are also connected to the bottom of the disassembly block 492, and the baffles 495 are used for the lens body of the VI glasses to abut against and protect.

[0035] A set of rotating dials 410 are also installed on the wrist base plate 41. The rotating dials 410 are sleeved outside the wrist axis 45. A wrist pointer 411 is also installed outside the wrist axis 45. A sensor 412 for detecting whether the pointer is in place is fixed on the back side of the rotating dials 410. Therefore, the sensor 412 is installed at the corresponding angle. When the wrist axis 45 rotates and drives the wrist pointer 411 to swing to the sensor 412, it indicates that the rotation is in place.

[0036] The working principle of the utility model is as follows: in a swing arm testing machine of the utility model, after the two sets of swing arm motors 24 are started, the two sets of swing arm shafts 26 can be driven to rotate back and forth. Since the swing arm motor 24 is directly connected to the swing arm shaft 26 through the swing arm coupling 25, instead of the traditional belt transmission method, the installation structure and installation space are simplified. At the same time, by installing a swing arm auxiliary frame 22 on the back side of the swing arm base plate 21, a set of swing arm belt seat bearings 27 are added to the swing arm auxiliary frame 22, so that the original method of only one set of belt seat bearings supporting the swing arm shaft 26 is changed to two sets of swing arm belt seat bearings 27 to support, so as to improve the stability of the swing; and the traditional complex Z-axis motion structure is cancelled, and only two sets of adjustable arm plates 32 with adjustable positions relative to the rectangular block 31 are used to achieve the purpose of adjusting the swing arm length, so as to simplify the structure of the swing arm, thereby reducing the overall mass of the swing arm, and ensuring that the vibration and noise caused by the swing of the swing arm are small.

[0037] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A swing arm testing machine, characterized in that: The invention comprises a support frame (1), an arm mechanism (2), a connecting arm (3) and a wrist mechanism (4); the support frame (1) is positioned on a bottom plate (6) having a protective plate (5) on the periphery; the arm mechanism (2) comprises a swing arm base plate (21), a swing arm auxiliary frame (22), a swing arm side plate (23), a swing arm motor (24), a swing arm coupling (25), a swing arm shaft (26), and a swing arm seat bearing (27); the swing arm base plate (21) is installed on the top of the support frame (1); a group of swing arm auxiliary frames (22) and a group of swing arm side plates (23) are auxiliary installed at both ends of the swing arm base plate; a group of swing arm motors (24) are correspondingly installed on a group of swing arm side plates (23); and the drive mechanism (21) is driven by the swing arm motors (24). The movable shaft passes through the swing arm side plate (23) and is connected to the swing arm shaft (26) through the swing arm coupling (25); the swing arm shaft (26) is installed on the swing arm auxiliary frame (22) and the swing arm base plate (21) through two groups of swing arm seat bearings (27); the connecting arm (3) comprises two groups of rectangular blocks (31) embraced outside the corresponding swing arm shaft (26) and an adjustable arm plate (32) detachably connected outside the corresponding rectangular block (31); the wrist mechanism (4) is provided with two groups, and each group of wrist mechanisms (4) is correspondingly installed at the bottom end of two groups of oppositely arranged adjustable arm plates (32), and rotates and swings with the adjustable arm plates (32), the rectangular blocks (31) and the swing arm shaft (26).

2. A swing arm testing machine according to claim 1, characterized in that: The adjustable arm plate (32) is provided with a plurality of groups of long strip mounting holes (33), the plurality of groups of long strip mounting holes (33) are arranged in two rows in a straight line, and the two groups of adjustable arm plates (32) abutting against the outside of the two groups of rectangular blocks (31) are arranged opposite to each other, and the long strip mounting holes (33) on the two groups of adjustable arm plates (32) are also arranged opposite to each other, and the fixing bolts pass through the long strip mounting holes (33) on the two groups of adjustable arm plates (32), the two groups of rectangular blocks (31) and the swing arm shaft (26) respectively, and are locked and fixed by nuts.

3. A swing arm testing machine according to claim 1 or 2, characterized in that: A set of rotating scale plates (28) are also mounted on the swing arm base plate (21). The rotating scale plates (28) are sleeved outside the swing arm shaft (26). A swing arm pointer (29) for indicating the angle scale lines on the rotating scale plates (28) is also mounted outside the swing arm shaft (26).

4. The swing arm testing machine according to claim 1, characterized in that: The wrist mechanism (4) comprises a wrist base plate (41), a wrist side plate (42), a wrist motor (43), a wrist coupling (44), a wrist shaft (45), a wrist belt seat bearing (46), a wrist rotating seat (47), a wrist connecting plate (48), and an adjustable clamp (49). The wrist base plate (41) is installed at the bottom end of two sets of adjustable arm plates (32) arranged opposite to each other, and one end of the wrist base plate (41) is installed with a wrist motor (43) through the wrist side plate (42). The driving force of the wrist motor (43) The shaft passes through the wrist side plate (42) and is connected to the wrist shaft (45) through a wrist coupling (44). Both ends of the wrist shaft (45) are installed on the wrist base plate (41) through wrist strap seat bearings (46). The wrist rotating seat (47) is installed on the wrist shaft (45) between the two groups of wrist strap seat bearings (46). Two groups of adjustable clamps (49) are installed on the wrist shaft (45) through a wrist connecting plate (48). The adjustable clamps (49) are used to position and clamp the product strap (7) of the VI glasses.

5. The swing arm testing machine according to claim 4, characterized in that: The adjustable clamp (49) comprises a fixed block (491) fixed on the wrist connecting plate (48) and a disassembly block (492) detachably connected to the fixed block (491) via a mushroom head screw (493), a group of through-set clamping grooves (494) are formed between the fixed block (491) and the disassembly block (492), and a transparent soft rubber pad for clamping the product belt (7) is arranged in the clamping groove (494).

6. The swing arm testing machine according to claim 5, characterized in that: A group of foam baffles (495) are also connected to the bottom of the disassembly block (492), and the baffles (495) are used for the lens body of the VI glasses to abut against and protect.

7. The swing arm testing machine according to claim 5, characterized in that: A set of rotating dials (410) are also installed on the wrist base plate (41). The rotating dials (410) are sleeved outside the wrist axis (45). A wrist pointer (411) is also installed outside the wrist axis (45). A sensor (412) for detecting the position of the pointer is fixed on the back side of the rotating dials (410).