Suspension arm with pressure control

Abstract

The utility model discloses a suspension arm with a pressure control function. 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; the two ends of the first linkage piece are rotationally connected with the first movable base and the second movable base through first rotating shafts correspondingly, and the two ends of the telescopic device are rotationally connected with the first movable base and the second movable base correspondingly. The pressure control assembly comprises a pressure supply source, a pressure adjusting set and a three-way pipeline. Therefore, the air pressure supplied to the air pressure spring is regulated and controlled, and the auxiliary arm structure capable of floating up and down can float up and down only with a large force or can realize regulation of an operation mode of floating up and down only with a small force.

Description

TECHNICAL FIELD

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

[0002] At present, for the device of manual operation part drilling or polishing processing, the device is generally numerical control center, when processing, the part is clamped on the fixture, then the operator drives the processing head multi-axis movement to carry out drilling or polishing processing to the part on the fixture, however the device is expensive, the operation difficulty is bigger for the special-shaped product of product structure complex, must adopt high science and technology talent professional control, and then make the enterprise production cost rise, so the urgent need of a kind of manual operation can be multi-degree of freedom movement suspension arm with pressure control. UTILITARIAN CONTENT

[0003] The utility model is designed to solve the technical problems of the above-mentioned deficiencies and provides a suspension arm with pressure control.

[0004] The utility model provides a suspension arm with pressure control, comprising:

[0005] A support is provided with a first rotary connection structure;

[0006] A swing piece is rotatably connected to one end of the support by the first rotary connection structure;

[0007] An auxiliary assembly includes a first movable seat, a second movable seat, a first linkage and an extension device, the first movable seat is located at the opposite position of the second movable seat, and the two are spaced apart, the first movable seat is rotatably connected to the other end of the swing piece by a second rotary connection structure, the two ends of the first linkage are rotatably connected to the first movable seat and the second movable seat by a first rotating shaft, and the two ends of the extension device are rotatably connected to the first movable seat and the second movable seat;

[0008] A pressure control assembly includes a pressure supply source and a pressure regulating group, the pressure supply source is connected to the pressure input port of the pressure regulating group by a pipeline, and the pressure output port of the pressure regulating group is connected to the pressure control port on the cylinder of the extension device by a pipeline.

[0009] According to one embodiment of the utility model, the pressure control assembly comprises a first pressure regulating valve, a second pressure regulating valve and a proportional valve, one port of the first pressure regulating valve and two ports of the second pressure regulating valve are connected and communicated with three ports of the proportional valve through pipelines respectively, the other port of the first pressure regulating valve is connected with a pressure output port of the pressure supply source, the other port of the proportional valve is connected with a pressure control port on the cylinder body of the telescopic device through a pipeline, and a pressure relief port is further arranged on the proportional valve.

[0010] According to one embodiment of the utility model, the pressure supply source is a gas pump, and the telescopic device is a gas pressure spring, the cylinder body end of the gas pressure spring is provided with a connecting part, the connecting part is rotatably connected with the first movable seat through a second rotating shaft, and the telescopic rod of the gas pressure spring is rotatably connected with the second movable seat through a third rotating shaft.

[0011] According to one embodiment of the utility model, a second linkage member is further arranged, and two ends of the second linkage member are rotatably connected with a third rotating shaft on the second movable seat and a fourth rotating shaft on the first movable seat respectively.

[0012] According to one embodiment of the utility model, a working device is further arranged, and the working device is installed on the second movable seat.

[0013] According to one embodiment of the utility model, the working device comprises a motor, an output shaft, a shell and a rotating part fixed on the shell, the shell comprises a first cavity and a second cavity, the motor is installed in the first cavity, a transmission mechanism is arranged in the second cavity, the output shaft is connected with an output end of the transmission mechanism after penetrating through the shell, and the rotating part is rotatably connected with the second movable seat through a rotating shaft.

[0014] According to one embodiment of the utility model, the working device further comprises a controller, the motor, the pressure supply source, the first pressure regulating valve, the second pressure regulating valve and the proportional valve are connected with the controller and controlled by the controller, and a touch screen or a display screen is arranged on the controller.

[0015] According to one embodiment of the utility model, the other port of the first pressure regulating valve is connected with the pressure output port of the pressure supply source through a pressure booster, and the pressure booster is connected with the controller and controlled by the controller.

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

[0017] According to one embodiment of the utility model, the transmission mechanism is a gear transmission set or a shaft coupling, and the first rotating connection structure and the second rotating connection structure are formed by cooperation of bearings and shaft bodies.

[0018] The utility model discloses a kind of suspension arm with pressure control, which utilizes first linkage, second linkage and air pressure spring between first movable seat and second movable seat, so that the structure forms the auxiliary arm structure that can float up and down, to realize multiple degrees of freedom movement when manual operation, to facilitate manual operation processing, and pressure control assembly when telescopic rod of air pressure spring telescopes is also set, so that the air pressure in air pressure spring is regulated, so that the auxiliary arm structure that can float up and down needs to be adjusted to realize up and down floating or only needs to be adjusted to realize up and down floating operation mode with smaller force. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is overall structure schematic view of suspension arm with pressure control;

[0020] Figure 2 It is overall structure schematic view of suspension arm (one);

[0021] Figure 3 It is overall structure schematic view of suspension arm (two);

[0022] Figure 4 It is overall structure schematic view of suspension arm (three);

[0023] Figure 5 It is overall structure schematic view of suspension arm (four);

[0024] Figure 6 It is local structure cross section schematic view;

[0025] Figure 7 It is overall structure cross section view of suspension arm;

[0026] Figure 8 It is air path structure schematic view of first pressure regulating valve, second pressure regulating valve, proportional valve and air pressure spring, including inlet air path and circulating air path when exhausting.

[0027] Label: 1, support column;2, swing piece;3, first movable seat;4, auxiliary assembly;5, second movable seat;6, working device;7, bearing;8, shaft;9, output shaft;10, pressure control assembly;101, first pressure regulating valve;102, second pressure regulating valve;103, proportional valve;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

[0028] In order to make the technical personnel 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 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 limit the implementation range of the utility model directly and naturally. The routine selection and replacement made by the technical personnel under the guidance of the utility model concept should be regarded as within the scope claimed by the utility model.

[0029] Embodiment:

[0030] As shown in Figures 1-8 The embodiment described in the utility model, a pressure control suspension arm, including support 1, swing piece 2, auxiliary assembly 4, working device 6 and pressure control assembly 10, first rotary connection structure is provided on the support 1, one end of swing piece 2 is connected with support 1 through first rotary connection structure, auxiliary assembly 4 includes first movable seat 3, second movable seat 5, first linkage 41 and telescopic device 42, first movable seat 3 is located at the opposite position of second movable seat 5, and they are spaced apart, first movable seat 3 is connected with the other end of swing piece 2 through second rotary connection structure, both ends of first linkage 41 are connected with first movable seat 3 and second movable seat 5 through first pivot 31 respectively, one end of telescopic device 42 is connected with first movable seat 3, the other end of telescopic device 42 is connected with second movable seat 5;Wherein, when the hinged part 311 of both ends of first linkage 41 is inserted into the hinged groove 30 of first movable seat 3 and second movable seat 5 respectively, or the hinged part 311 of first movable seat 3 and second movable seat 5 is inserted into the hinged groove 30 of both ends of first linkage 41 respectively, then the hinged part 311 and the hinged groove 30 are hinged through first pivot 31, to realize that first movable seat 3 and second movable seat 5 are connected with first linkage 41 respectively.

[0031] The pressure control assembly 10 comprises a pressure supply source and a pressure regulating group, the pressure supply source is connected with the pressure input port of the pressure regulating group through a pipeline, and the pressure output port of the pressure regulating group is connected with the pressure control port on the cylinder of the telescopic device 42 through a pipeline; specifically, the pressure control assembly comprises a first pressure regulating valve, a second pressure regulating valve and a proportional valve, one port of the first pressure regulating valve and two ports of the second pressure regulating valve are respectively connected with three ports of the proportional valve through pipelines and are in communication, the other port of the first pressure regulating valve is connected with the pressure output port of the pressure supply source, the other port of the proportional valve is connected with the pressure control port on the cylinder of the telescopic device through a pipeline, and a pressure relief port is further arranged on the proportional valve, and the pressure control port is located at the position of the lower cavity 423 of the cylinder.

[0032] In the embodiment, the working device 6 comprises a motor 61, an output shaft 9, a shell 65 and a rotating part fixed on the shell 65; the shell 65 is composed of an upper shell 651 and a lower shell 652, a first cavity is formed in the upper shell 651, a second cavity is formed in the lower shell 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 9 is connected with the output end of the transmission mechanism 62 after penetrating through the shell 65, the rotating part 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 9 is fixedly installed with a grinding head or a drill bit, and the lower shell 652 and the rotating part support are fixed to each other through bolts or welding.

[0033] Preferably, the working device 6 further comprises a controller 66, the motor 61, the pressure supply source, the first pressure regulating valve 101, the second pressure regulating valve 102 and the proportional valve 103 are connected with the controller 66 and controlled by the controller 66, a touch screen 661 or a display screen is arranged on the controller 66, a handle 63 is installed on the shell 65, but the handle 63 can be fixed on the upper shell 651 or the lower shell 652 through bolts or welding according to actual conditions, 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 hinged part 311 or the hinged groove 30 can be arranged on the lower shell 652.

[0034] Further preferably, the other port of the first pressure regulating valve is connected with the pressure output port of the pressure supply source through a pressure increasing valve, and the pressure increasing valve is connected with the controller 66 and controlled by the controller 66.

[0035] Further, the transmission mechanism 62 is a gear transmission group or a shaft coupling; wherein the gear transmission group 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.

[0036] The first rotating connection structure and the second rotating connection structure are formed by cooperation of bearings 7 and shafts 8; specifically, the bearings 7 are fixed on the stand, the shaft 8 at one end of the swing piece 2 is fixed in the inner ring of the bearing 7 on the stand, the bearings 7 at the other end of the swing piece 2 are fixed, the shaft 8 on the first movable seat 3 is fixed in the inner ring of the bearing 7 on the swing piece 2, or the bearings 7 at both ends of the swing piece 2 are fixed, and the shaft 8 on the first movable seat 3 and the shaft 8 on the stand are fixed in the inner rings of the bearings 7 at both ends of the swing piece 2.

[0037] In the embodiment, the pressure supply source is a gas pump, and the telescopic device 42 is a gas spring, the cylinder end of the gas spring is provided with a connecting part 421, the connecting part 421 is rotatably connected with the middle part of the first movable seat 3 through the second rotating shaft 32, and the telescopic rod of the gas spring is rotatably connected with the second movable seat 5 through the third rotating shaft 33.

[0038] In the embodiment, in order to make the auxiliary assembly 4 more stable when moving, a second linkage 43 is further arranged, the two ends of the second linkage 43 are rotatably connected with 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 that when the operator holds the handle 63 and presses the working device 6 downward, the first linkage 41 and the second linkage 43 will rotate downward around the first movable seat 3, the telescopic rod of the gas spring will retract, and when the working device 6 is lifted, the telescopic rod of the gas spring will extend, and the first linkage 41 and the second linkage 43 will rotate upward around the first movable seat 3.

[0039] Preferably, the opposite two side edges of the second linkage 43 are provided with side guards 44, so as to shield the telescopic device 42 by the side guards 44, and make the auxiliary assembly 4 more beautiful, and in order to make the connection of the telescopic rod more reliable and stable, a matching groove 312 is arranged at the position of the third rotating shaft 33 on the second movable seat 5, and the connecting head 422 at the end of the telescopic rod is inserted into the matching groove 312 for active positioning.

[0040] In this embodiment, when the operator hand-held handle 63 down auxiliary assembly 4, the first linkage 41 will rotate downward around the first movable seat 3, and the gas spring retraction rod retracts, when the operator hand-held handle 63 up auxiliary assembly 4, the gas spring retraction rod automatically extends, the first linkage 41 will rotate upward around the first movable seat 3, because the gas spring has a vent on the upper chamber 424 position, the gas pressure in the upper chamber 424 is discharged through the vent when the piston rod is extended; wherein, after adjusting the gas pressure, operating the suspension arm, the gas pump starts to work, adjusts the first pressure regulating valve 101 to increase the inlet air pressure, the gas flow enters the lower chamber of the gas spring through the first pressure regulating valve 101 and the proportional valve 103, so that the piston of the gas spring moves up to make the retraction rod extend, and the auxiliary assembly 4 is in the up state, then the operator presses the auxiliary assembly 4 in the up state, at this time, because of the large flow of inlet air, the gas pressure in the lower chamber of the gas spring is large, so that the operator hand-held handle 63 down auxiliary assembly 4 is more laborious, increases the gravity of down pressure, however, in the process of gradually down pressure, the space of the lower chamber of the gas spring is compressed to make part of the gas flow discharge through the relief port of the proportional valve, another part of the gas flow circulates between the proportional valve 103 and the second pressure regulating valve and gradually discharges from the relief port of the proportional valve to provide a buffer effect for the retraction of the retraction rod, when the inlet air pressure is too large to cause the down pressure gravity to be heavy or the operation of the suspension arm is jerky, the pressure of the second pressure regulating valve and the inlet air flow of the proportional valve can be adjusted to improve it, if the gas pressure in the lower chamber of the gas spring is still insufficient under the condition of large gas pressure, the pressure increasing valve can be started to increase the pressure, so that the working device 6 can be further increased in down pressure gravity.

[0041] The gas pump starts to work, adjusts the first pressure regulating valve 101 to increase the inlet air pressure, the gas flow enters the lower chamber of the gas spring through the first pressure regulating valve 101 and the proportional valve 103, so that the piston of the gas spring moves up to make the retraction rod extend, and the auxiliary assembly 4 is in the up state, then the operator presses the auxiliary assembly 4 in the up state, at this time, because of the large flow of inlet air, the gas pressure in the lower chamber of the gas spring is large, so that the operator hand-held handle 63 down auxiliary assembly 4 is more laborious, increases the gravity of down pressure, however, in the process of gradually down pressure, the space of the lower chamber of the gas spring is compressed to make part of the gas flow discharge through the relief port of the proportional valve, another part of the gas flow circulates between the proportional valve 103 and the second pressure regulating valve and gradually discharges from the relief port of the proportional valve to provide a buffer effect for the retraction of the retraction rod, when the inlet air pressure is too large to cause the down pressure gravity to be heavy or the operation of the suspension arm is jerky, the pressure of the second pressure regulating valve and the inlet air flow of the proportional valve can be adjusted to improve it, if the gas pressure in the lower chamber of the gas spring is still insufficient under the condition of large gas pressure, the pressure increasing valve can be started to increase the pressure, so that the working device 6 can be further increased in down pressure gravity.

Claims

1. A floating boom with pressure control, characterized in that The utility model relates to a kind of auxiliary device for swing, including: Support (1), first rotary connection structure is provided on the support (1); Swing (2), one end of the swing (2) is rotatably connected with the support (1) by the 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 other end of the swing (2) is rotatably connected with the first movable seat (3) by second rotary connection structure, the two ends of the first linkage (41) are rotatably connected with the first movable seat (3) and the second movable seat (5) by first rotation shaft (31) respectively, the two ends of the telescopic device (42) are rotatably connected with the first movable seat (3) and the second movable seat (5) respectively; Pressure control assembly (10), the pressure control assembly (10) includes pressure supply source and pressure regulating group, the pressure supply source is connected with the pressure input port of the pressure regulating group by pipeline, and the pressure output port of the pressure regulating group is connected with the pressure control port on the cylinder of telescopic device (42) by pipeline.

2. A boom with pressure control according to claim 1, characterized in that The pressure control assembly (10) includes first pressure regulating valve (101), second pressure regulating valve (102) and proportional valve (103), one port of the first pressure regulating valve (101) and two ports of the second pressure regulating valve (102) are connected and communicated with three ports of the proportional pressure by pipeline respectively, the other port of the first pressure regulating valve (101) is connected with the pressure output port of the pressure supply source, the other port of the proportional valve (103) is connected with the pressure control port on the cylinder of telescopic device (42) by pipeline, and the proportional valve (103) is further provided with pressure relief port.

3. A boom with pressure control according to claim 1 or 2, characterized in that The pressure supply source is air pump, the telescopic device (42) is gas pressure spring, the cylinder end of the gas pressure spring is provided with connecting portion (421), the connecting portion (421) is rotatably connected with the first movable seat (3) by second rotation shaft (32), and the telescopic rod of the gas pressure spring is rotatably connected with the second movable seat (5) by third rotation shaft (33).

4. A boom as claimed in claim 3, wherein, Further including second linkage (43), the two ends of the second linkage (43) are rotatably connected with third rotation shaft (33) on the second movable seat (5) and fourth rotation shaft (34) on the first movable seat (3) respectively.

5. A boom according to claim 2 or 4, wherein Further including working device (6), the working device (6) is installed on the second movable seat (5).

6. A boom as claimed in claim 5, wherein, The working device (6) includes motor (61), output shaft (9), shell (65) and rotating part fixed on the shell (65), the shell (65) includes first cavity and second cavity, the motor (61) is installed in the first cavity, transmission mechanism (62) is arranged in the second cavity, the output shaft (9) end is connected with the output end of transmission mechanism (62) after passing through the shell (65), and the rotating part is rotatably connected with the second movable seat (5) by rotating shaft.

7. A boom as claimed in claim 6, characterized in that The working device (6) further comprises a controller (66), the motor (61), the pressure supply source, the first pressure regulating valve (101), the second pressure regulating valve (102) and the proportional valve (103) are connected to the controller (66) and controlled by the controller (66), and the controller (66) is provided with a touch screen (661) or a display screen.

8. A boom with pressure control according to claim 7, characterized in that The other port of the first pressure regulating valve (101) is connected to the pressure output port of the pressure supply source through a pressure increasing valve, and the pressure increasing valve is connected to the controller (66) and controlled by the controller (66).

9. A floating boom with pressure control according to claim 7, characterized in that A handle (63) is installed on the shell (65), and a control button (64) is arranged on the shell (65) or the handle (63), and the control button (64) is connected to the controller (66).

10. The floating boom with pressure control according to claim 7, characterized in that The transmission mechanism (62) is a gear transmission set or a shaft coupling, and the first rotary connection structure and the second rotary connection structure are both formed by cooperation of bearings (7) and shaft bodies (8).

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