Mechanical suspension arm

Abstract

The utility model discloses a mechanical suspension arm. A first rotary connecting structure is arranged on a supporting column; one end of the swinging piece is rotationally connected with the supporting column through a first rotary connecting structure; the auxiliary assembly comprises a first movable seat, a second movable seat, a first linkage piece and a telescopic device, the first movable seat is located at the opposite position of the second movable seat, the first movable seat and the second movable seat are arranged in a spaced mode, and the first movable seat is rotationally connected with the other end of the swing piece through a second rotary connecting structure; the two ends of the first linkage piece are rotationally connected with the first movable seat and the second movable seat through first rotating shafts respectively, one end of the telescopic device is rotationally connected with the first movable seat, and the other end of the telescopic device is rotationally connected with the second movable seat, or the other end of the telescopic device is rotationally connected with a rotating fulcrum close to or away from the second movable seat; and the working device is mounted on the second movable seat. Multi-degree-of-freedom movement can be achieved during manual operation, manual operation machining is facilitated, and meanwhile operation is easy and convenient during machining.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of auxiliary mechanical arm for machining, concretely relates to a mechanical suspension arm. BACKGROUND

[0002] At present, for the equipment of manual operation drilling or polishing of parts, generally, the parts are clamped on the fixture, then the operator drives the machining head to move on single axis, two axes or three axes to drill or polish the parts on the fixture, the equipment is mostly semi-automatic lathe or semi-automatic drilling machine or semi-automatic polishing machine, however, the equipment of two-axis movement and three-axis movement needs to be processed according to coordinates and displacement distance, especially when the complex parts are processed or multiple parts are processed simultaneously, the processing operation is complicated, however, the single-axis movement equipment cannot adapt to the complex parts processing or multiple parts processing simultaneously, so a mechanical suspension arm capable of multi-degree-of-freedom movement during manual operation is urgently needed. SUMMARY

[0003] The utility model discloses a mechanical suspension arm for solving the technical problems of the above.

[0004] The utility model provides a mechanical suspension arm, include: the prop, first rotary joint structure is set up on the prop, the swing piece, one end of the swing piece is rotated with the prop through first rotary joint structure, auxiliary assembly, the auxiliary assembly includes first movable seat, second movable seat, first linkage and telescopic device, first movable seat is located at the opposite position of second movable seat, and its both are mutually interval arrangement, first movable seat is rotated with the other end of swing piece through second rotary joint structure, both ends of first linkage are rotated with first movable seat and second movable seat through first pivot respectively, one end of telescopic device is rotated with first movable seat, the other end of telescopic device is rotated with second movable seat or the other end of telescopic device is adjacent or away from the rotary fulcrum of second movable seat rotation connection, work device, work device is installed on second movable seat.

[0005] According to one embodiment of the utility model, the telescopic device is a gas spring, the cylinder end of the gas spring is provided with a connecting part; the connecting part is rotated with the first movable seat through a second pivot, and the telescopic rod of the gas spring is rotated with the second movable seat through a third pivot or with the rotary fulcrum adjacent to or away from the second movable seat.

[0006] According to one embodiment of the utility model, still include second linkage piece, two ends of second linkage piece respectively through fourth pivot with first movable seat and second movable seat rotation connection, the telescopic rod of air pressure spring is through third pivot with second linkage piece rotation connection.

[0007] According to one embodiment of the utility model, the working device includes motor, transmission mechanism and output shaft, the transmission mechanism is installed in the first cavity of the second movable seat, the rotating shaft of the motor is in transmission with the input end of transmission mechanism, one end of output shaft passes through the shell and is connected with the output end of transmission mechanism, the other end of output shaft is used for connecting processing tool.

[0008] According to one embodiment of the utility model, the working device further includes a controller, the motor is connected with the controller and is controlled by it, the controller is provided with touch screen or display screen.

[0009] According to one embodiment of the utility model, the working device further includes a shell, the shell cover is arranged at the opening of the first cavity of the second movable seat, so that the motor is placed in the second cavity of the shell.

[0010] According to one embodiment of the utility model, the second movable seat or shell is installed with handle, and the shell or handle is provided with control button, and the control button is connected with the controller.

[0011] According to one embodiment of the utility model, the telescopic cylinder is air pressure spring, and the cylinder body end of air pressure spring is provided with connecting part, the connecting part is rotationally connected with the second movable seat through second pivot, and the telescopic rod of air pressure spring is rotationally connected with the first pivot on the first movable seat.

[0012] According to one embodiment of the utility model, still include second linkage piece, two ends of second linkage piece respectively with second pivot on the second movable seat and third pivot on the first movable seat rotation connection.

[0013] According to one embodiment of the utility model, the working device and the second movable seat are rotationally connected with each other.

[0014] According to one embodiment of the utility model, the working device includes motor, output shaft, shell and rotating part fixed on the shell, the shell includes first cavity and second cavity, the motor is installed in the first cavity, the transmission mechanism is arranged in the second cavity, the output shaft end passes through the shell and is connected with the output end of transmission mechanism, and the rotating part is rotationally connected with the second movable seat through rotating shaft.

[0015] According to one embodiment of the utility model, the working device further comprises a controller, the motor is connected with the controller and is controlled by the controller, and a touch screen or a display screen is arranged on the controller.

[0016] According to one embodiment of the utility model, a handle is mounted on the shell, and a control button is arranged on the shell or the handle and connected with the controller.

[0017] The mechanical suspension arm is designed, first linkage, second linkage and air pressure spring are arranged between the first movable seat and the second movable seat, so that the structure forms an auxiliary arm structure that can float up and down, so as to realize multi-degree-of-freedom movement during manual operation, so as to facilitate manual operation and processing, and the operation is simple during processing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic view (one);

[0019] Figure 2 It is whole structure schematic view (two);

[0020] Figure 3 It is whole structure schematic view (three);

[0021] Figure 4 It is whole structure schematic view (four);

[0022] Figure 5 It is whole structure schematic view (five);

[0023] Figure 6 It is whole structure schematic view (six)

[0024] Figure 7 It is whole structure schematic view (one) of another embodiment;

[0025] Figure 8 It is whole structure schematic view (two) of another embodiment;

[0026] Figure 9 It is whole structure schematic view (three) of another embodiment;

[0027] Figure 10 It is local sectional view (one);

[0028] Figure 11 It is local sectional view (two);

[0029] Figure 12 It is whole structure schematic view (four) of another embodiment;

[0030] Figure 13 It is local structure schematic view with gear set transmission mechanism.

[0031] Label: 1, support; 2, swing; 3, first movable seat; 4, auxiliary assembly; 5, second movable seat; 6, working device; 7, bearing; 8, shaft body; 9, back plate; 10, output shaft; 31, first rotating shaft; 32, second rotating shaft; 33, third rotating shaft; 34, fourth rotating shaft; 41, first linkage; 42, telescopic device; 43, second linkage; 44, side guard plate; 311, hinged part; 312, matching groove; 30, hinged groove; 421, connecting part; 422, connecting head; 51, connecting groove; 61, motor; 62, transmission mechanism; 63, handle; 64, control button; 65, shell; 66, controller; 661, touch screen; 651, upper shell; 652, lower shell; DETAILED DESCRIPTION

[0032] In order to make the person skilled in the art better understand the utility model, so that the scope of the utility model claimed is more clearly limited, the utility model is described in detail below according to some specific embodiments of the utility model. It should be noted that the following is only some specific embodiments of the utility model concept, and is only a part of the embodiments of the utility model, and the specific and direct description of the related structure is only for the convenience of understanding the utility model, and each specific feature does not directly limit the implementation range of the utility model. The routine selection and replacement made by the person skilled in the art under the guidance of the utility model concept should be regarded as being within the scope of the utility model claimed.

[0033] Example one

[0034] As Figures 1-3 , Figure 5 and Figure 6As shown, the mechanical suspension arm described in the embodiment comprises a support column 1, a swing piece 2, an auxiliary assembly 4 and a working device 6, the support column 1 is provided with a first rotary connecting structure, one end of the swing piece 2 is rotatably connected with the support column 1 through the first rotary connecting structure, the auxiliary assembly 4 comprises a first movable seat 3, a second movable seat 5, a first linkage 41 and an extension device 42, the first movable seat 3 is located at the opposite position of the second movable seat 5 and is spaced apart from each other, the other end of the swing piece 2 is rotatably connected with the first movable seat 3 through a second rotary connecting structure, the two ends of the first linkage 41 are rotatably connected with the first movable seat 3 and the second movable seat 5 through a first rotating shaft 31, one end of the extension device 42 is rotatably connected with the first movable seat 3, the other end of the extension device 42 is rotatably connected with the second movable seat 5 at a rotary pivot point close to or away from the second movable seat 5, and the working device 6 is installed on the second movable seat 5; wherein, when the hinge parts 311 of the first movable seat 3 and the second movable seat 5 are respectively inserted into the hinge grooves 30 at the two ends of the first linkage 41, and then the hinge parts 311 and the hinge grooves 30 are hinged through the first rotating shaft 31, the first movable seat 3 and the second movable seat 5 are rotatably connected with the first linkage 41 respectively.

[0035] In the embodiment, the working device 6 comprises a motor 61, a transmission mechanism 62 and an output shaft 10, the transmission mechanism 62 is installed in the first cavity of the second movable seat 5, the rotating shaft of the motor 61 is in transmission connection with the input end of the transmission mechanism 62, one end of the output shaft 10 is connected with the output end of the transmission mechanism 62 after penetrating through the shell 65, and the other end of the output shaft 10 is used for connecting a machining tool, wherein the machining tool is generally a polishing head or a drill bit.

[0036] The working device 6 further comprises a shell 65, the shell 65 covers the opening of the first cavity of the second movable seat 5, so that the motor 61 is arranged in the second cavity of the shell 65, and the shell 65 realizes protection of the motor 61.

[0037] Preferably, the working device 6 further comprises a controller 66, the motor 61 is connected with the controller 66 and is controlled thereby, a touch screen 661 or a display screen is arranged on the controller 66, a handle 63 is installed on the second movable seat 5 or the shell 65, a control button 64 is arranged on the shell 65 or the handle 63, the control button 64 is connected with the controller 66, and the hinge part 311 or the hinge groove 30 can be arranged on the lower shell 652.

[0038] Furthermore, the transmission mechanism 62 is a gear transmission set or a shaft coupling; wherein the gear transmission set can be composed of a plurality of gears meshing with each other, or be a planetary gear set, and the shaft coupling generally adopts the known technology, so it will not be described in detail here.

[0039] Both the first rotary connection structure and the second rotary connection structure are formed by the cooperation of bearings 7 and shafts 8. Specifically, bearings 7 are fixed on the support column 1, the shaft 8 at one end of the rocker member 2 is fixed in the inner ring of the bearing 7 on the three-dimensional surface, bearings 7 are fixed at the other end of the rocker member 2, and the shaft 8 on the first movable seat 3 is fixed in the inner ring of the bearing 7 on the rocker member 2. Alternatively, bearings 7 are fixed at both ends of the rocker member 2, and the shafts 8 on the first movable seat 3 and the support column 1 are fixed in the inner rings of the bearings 7 at both ends of the rocker member 2. Alternatively, shafts 8 are fixed at both ends of the rocker member 2, and the shafts 8 at both ends of the rocker member 2 are fixed in the inner rings of the bearings 7 on the first movable seat 3 and the support column 1.

[0040] In this embodiment, when the operator holds the handle 63 to press down the working device 6, the first linkage 41 will rotate downward around the first movable seat 3, and the telescopic rod of the gas spring will retract. When the operator lifts the handle 63, the telescopic rod of the gas spring will extend, and the first linkage 41 will rotate upward around the first movable seat 3.

[0041] Example 2

[0042] like Figure 3 As shown, the mechanical suspension arm described in this embodiment is based on the first embodiment. The telescopic device 42 is a pneumatic spring. The cylinder end of the pneumatic spring is provided with a connecting part 421. The connecting part 421 is rotatably connected to the middle part of the first movable seat 3 through a second rotating shaft 32. The connecting head 422 of the telescopic rod of the pneumatic spring is rotatably connected to the rotation fulcrum of the second movable seat 5, which is near or far from the third rotating shaft 33.

[0043] In this embodiment, to make the structure of the auxiliary component 4 more stable during movement, a second linkage 43 is also provided. The two ends of the second linkage 43 are rotatably connected to the first movable seat 3 and the second movable seat 5 through the fourth rotating shaft 34, respectively. The telescopic rod of the gas spring is rotatably connected to the second linkage 43 through the third rotating shaft 33. Thus, when the operator holds the handle 63 to press down the working device 6, both the first linkage 41 and the second linkage 43 will rotate downward around the first movable seat 3, and the telescopic rod of the gas spring will retract. When the operator lifts the handle 63, the telescopic rod of the gas spring will automatically extend, and both the first linkage 41 and the second linkage 43 will rotate upward around the first movable seat 3.

[0044] Preferably, a side guard plate 44 is fixed to the side of the second linkage 43. The side guard plate 44 covers the first linkage 41, the second linkage 43 and the telescopic device 42, so as to make the product of this utility model more aesthetically pleasing.

[0045] A backing plate 9 is also fixed on the first movable seat 3. The backing plate 9 has a protrusion on the side facing the first linkage member 41 and the second linkage member 43. The protrusion is located between one end of the first linkage member 41 and one end of the second linkage member 43. The protrusion is a triangular protrusion. The opposite sides of the triangular protrusion and the side of the backing plate 9 facing the first linkage member 41 and the second linkage member 43 are close to one end of the first linkage member 41 and one end of the second linkage member 43.

[0046] Example 3

[0047] As shown in Figure 4, the mechanical suspension arm described in this embodiment is roughly similar in structure to that in Embodiment 2, but the difference lies in the installation method of the gas spring. Specifically, the other end of the telescopic device 42 is rotatably connected to the second movable seat 5, that is, the connector 422 of the telescopic rod of the gas spring is rotatably connected to the second movable seat 5 through the third rotating shaft 33.

[0048] In this embodiment, in order to make the structure of the auxiliary component 4 more stable during movement, a second linkage 43 is also provided. The two ends of the second linkage 43 are rotatably connected to the third rotating shaft 33 on the second movable seat 5 and the fourth rotating shaft 34 on the first movable seat 3, respectively. So when the operator holds the handle 63 to press down the working device 6, the first linkage 41 and the second linkage 43 will both rotate downward around the first movable seat 3, and the telescopic rod of the gas spring will retract. When the operator lifts the handle 63, the telescopic rod of the gas spring will extend, and the first linkage 41 and the second linkage 43 will both rotate upward around the first movable seat 3.

[0049] Example 4

[0050] like Figures 7-13 As shown, the zero-gravity suspension arm described in this embodiment is roughly similar in structure to that of Embodiment 1, but the difference is that: the telescopic cylinder is a pneumatic spring, and the cylinder end of the pneumatic spring is provided with a connecting part 421. The connecting part 421 is rotatably connected to the second movable seat 5 through the second rotating shaft 32. The telescopic rod of the pneumatic spring is rotatably connected to the first rotating shaft 31 on the first movable seat 3, and the end of the telescopic rod of the pneumatic spring is fixed with a connector 422. The connector 422 is inserted into the mating groove 312 on the hinge part 311 of the first linkage 41, and the connecting part 421 is inserted into the mating groove 312 on the part of the second movable seat 5 with the second rotating shaft 32.

[0051] In this embodiment, in order to make the structure of the auxiliary assembly 4 more stable when moving, a second linkage 43 is further provided, the two ends of the second linkage 43 are respectively rotatably connected with the second rotating shaft 32 on the second movable seat 5 and the third rotating shaft 33 on the first movable seat 3, so that when the operator holds the handle 63 to press the working device 6 downward, the first linkage 41 and the second linkage 43 will both rotate downward around the first movable seat 3, and the telescopic rod of the gas spring retracts, and when the operator lifts the handle 63, the telescopic rod of the gas spring extends, and the first linkage 41 and the second linkage 43 will both rotate upward around the first movable seat 3, wherein the two ends of the second linkage 43 are respectively inserted into the hinge grooves 30 of the second movable seat 5 and the first movable seat 3.

[0052] In this embodiment, the working device 6 comprises a motor 61, an output shaft 10, a housing 65, and a rotating part fixed on the housing 65; the housing 65 is composed of an upper housing 651 and a lower housing 652 which are combined with each other, a first cavity is formed in the upper housing 651, a second cavity is formed in the lower housing 652, the motor 61 is installed in the first cavity, a transmission mechanism 62 is arranged in the second cavity, the upper end of the output shaft 10 is connected with the output end of the transmission mechanism 62 after penetrating through the housing 65, the rotating part 67 is rotatably connected in the connecting groove 51 of the second movable seat 5 through a rotating shaft, and the lower end of the output shaft 10 is fixedly installed with a grinding head or a drill bit, and the rotating part 67 and the lower housing 652 are fixed by bolts or welding or a combination of the two.

[0053] Preferably, the working device 6 further comprises a controller 66, the motor 61 is connected with the controller 66 and controlled thereby, a touch screen 661 or a display screen is arranged on the controller 66, the handle 63 is installed on the housing 65, but the handle 63 can be fixed on the upper housing 651 or the lower housing 652 by bolts or welding according to actual conditions, and a control button 64 is arranged on the housing 65 or the handle 63 and connected with the controller 66.

[0054] Further, the transmission mechanism 62 is a gear transmission set or a shaft coupling; wherein the gear transmission set can be composed of a plurality of gears meshing with each other, or a planetary gear set, and the shaft coupling generally adopts a known technology, so it will not be described in detail here.

[0055] In this embodiment, the hinge parts 311 at the two ends of the first linkage 41 are respectively inserted into the hinge grooves 30 of the first movable seat 3 and the second movable seat 5, and then the hinge parts 311 and the hinge grooves 30 are hingedly connected through the first rotating shaft 31, so as to rotatably connect the first movable seat 3 and the second movable seat 5 with the first linkage 41.

Claims

1. A mechanical suspension arm, characterized in that, The utility model relates to a kind of auxiliary assembly and work device, including: Support (1), first rotary connection structure is provided on the support (1); Swing piece (2), one end of the swing piece (2) is rotatably connected with support (1) by first rotary connection structure; Auxiliary assembly (4), the auxiliary assembly (4) includes first movable seat (3), second movable seat (5), first linkage (41) and telescopic device (42), the first movable seat (3) is located at the opposite position of the second movable seat (5), and they are spaced apart from each other, the first movable seat (3) is rotatably connected with the other end of the swing piece (2) by second rotary connection structure, the two ends of the first linkage (41) are rotatably connected with the first movable seat (3) and second movable seat (5) by first rotation shaft (31) respectively, one end of the telescopic device (42) is rotatably connected with the first movable seat (3), the other end of the telescopic device (42) is rotatably connected with the second movable seat (5) or the other end of the telescopic device (42) is rotatably connected with the rotary fulcrum adjacent to or away from the second movable seat (5); Work device (6), the work device (6) is installed on second movable seat (5).

2. A mechanical suspension boom according to claim 1, characterized in that The telescopic device (42) is gas spring, the cylinder end of gas spring is provided with connecting part (421);The connecting part (421) is rotatably connected with the first movable seat (3) by second rotation shaft (32), the telescopic rod of the gas spring is rotatably connected with the second movable seat (5) by third rotation shaft (33) or the telescopic rod of the gas spring is rotatably connected with the rotary fulcrum adjacent to or away from the second movable seat (5).

3. A mechanical suspension boom according to claim 2, wherein, It also includes second linkage (43), the two ends of the second linkage (43) are rotatably connected with the first movable seat (3) and second movable seat (5) by fourth rotation shaft (34) respectively, the telescopic rod of the gas spring is rotatably connected with the second linkage (43) by third rotation shaft (33).

4. A mechanical suspension boom according to any one of claims 1-3, characterized in that The work device (6) includes housing (65), motor (61), transmission mechanism (62) and output shaft (10), the transmission mechanism (62) is installed in the first cavity of the second movable seat (5), the rotation shaft of the motor (61) is in transmission connection with the input end of the transmission mechanism (62), one end of the output shaft (10) is connected with the output end of the transmission mechanism (62) after passing through the housing (65), and the other end of the output shaft (10) is used for connecting processing tool.

5. A mechanical suspension boom according to claim 4, wherein, The work device (6) further includes controller (66), the motor (61) is connected with controller (66) and is controlled thereby, and a touch screen (661) or display screen is arranged on the controller (66).

6. A mechanical suspension boom according to claim 4, wherein, The work device (6) further includes housing (65), the housing (65) covers the opening of the first cavity of the second movable seat (5), so that the motor (61) is placed in the second cavity of the housing (65).

7. A mechanical suspension boom according to claim 6, wherein, The second movable seat (5) or the shell (65) is provided with a handle (63), and the shell (65) or the handle (63) is provided with a control button (64) connected with a controller (66).

8. A mechanical suspension boom as claimed in claim 1, wherein, The telescopic device (42) is a pneumatic spring, the cylinder end of the pneumatic spring is provided with a connecting part (421), the connecting part (421) is rotatably connected with the second movable seat (5) through a second rotating shaft (32), and the telescopic rod of the pneumatic spring is rotatably connected with the first rotating shaft (31) on the first movable seat (3).

9. A mechanical suspension boom according to claim 8, wherein, A second linkage (43) is further included, and two ends of the second linkage (43) are respectively rotatably connected with the second rotating shaft (32) on the second movable seat (5) and the third rotating shaft (33) on the first movable seat (3).

10. A mechanical suspension boom according to claim 1, 8 or 9, characterized in that The working device (6) is rotatably connected with the second movable seat (5), the working device (6) comprises a motor (61), an output shaft (10), a shell (65) and a rotating part (67) fixed to the shell (65), the shell (65) comprises a first cavity and a second cavity, the motor (61) is arranged in the first cavity, a transmission mechanism (62) is arranged in the second cavity, the output shaft (10) is rotatably connected with an output end of the transmission mechanism (62) after penetrating through the shell (65), and the rotating part (67) is rotatably connected with the second movable seat (5) through a rotating shaft.

11. A mechanical suspension boom according to claim 10, wherein, The working device (6) further comprises a controller (66), the motor (61) is connected with the controller (66) and is controlled by the controller (66), and the controller (66) is provided with a touch screen (661) or a display screen.

12. A mechanical suspension boom according to claim 11, wherein, The shell (65) is provided with a handle (63), and the shell (65) or the handle (63) is provided with a control button (64) connected with a controller (66).

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