CN216707429U - Adjustable supporting and positioning device for machining mechanical arm - Google Patents
Adjustable supporting and positioning device for machining mechanical arm Download PDFInfo
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- CN216707429U CN216707429U CN202123382679.XU CN202123382679U CN216707429U CN 216707429 U CN216707429 U CN 216707429U CN 202123382679 U CN202123382679 U CN 202123382679U CN 216707429 U CN216707429 U CN 216707429U
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Abstract
The utility model relates to the field of mechanical arm machining equipment, in particular to an adjustable supporting and positioning device for machining a mechanical arm, which comprises a base and an adjustable positioning mechanism arranged on the base, wherein the base is of a cavity structure, and the adjustable positioning mechanism comprises adjustable positioning components which are vertically and symmetrically distributed above the base and a transverse bidirectional spacing adjusting component arranged on the base; the horizontal bidirectional spacing adjusting assembly is horizontally arranged on the base, the lifting and lifting assemblies for lifting the mechanical arm are arranged between the two adjustable positioning assemblies on the base, and the two adjustable positioning assemblies are symmetrically distributed about the lifting and lifting assemblies.
Description
Technical Field
The utility model relates to the field of mechanical arm machining equipment, in particular to an adjustable supporting and positioning device for machining a mechanical arm.
Background
A robotic arm generally refers to a programmable robotic arm having similar functionality as a human arm; the arm may be a complete mechanical device or may be part of a more complex robot. The manipulator is connected through joints so that the manipulator can complete rotary motion or translational motion. The manipulator finally forms a kinematic chain through the connection of each joint. The end of a robot kinematic chain, known as an end effector, is similar to a human hand and is widely used in various fields, particularly in the manufacturing and logistics industries.
Because, the arm needs to carry out multiple instruction, need be in the mechanical joint to the arm, a plurality of pencil and executor and transmission part are installed to the shell body, consequently need carry out various processing to the arm, like lateral wall drilling, fluting, welding etc. current arm processing mounting fixture is used for a process clamping more, uses the flexibility relatively poor, and the arm can't overturn, can't weld the arm fast, spraying and lateral wall fluting processing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an adjustable supporting and positioning device for machining a mechanical arm.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the adjustable supporting and positioning device for machining the mechanical arm comprises a base and an adjustable positioning mechanism arranged on the base, wherein the base is of a cavity structure, and the adjustable positioning mechanism comprises adjustable positioning components which are vertically and symmetrically distributed above the base and a transverse bidirectional spacing adjusting component arranged on the base;
the horizontal bidirectional spacing adjusting assembly is horizontally arranged on the base, two adjusting ends of the horizontal bidirectional spacing adjusting assembly are respectively provided with a rack, the racks are positioned above the base, annular supports are vertically arranged on the racks and correspond to the adjustable positioning assemblies one by one, the adjustable positioning assemblies are vertically and rotatably arranged on the annular supports, the two adjustable positioning assemblies are oppositely distributed, and a synchronous adjusting mechanism for driving the two adjustable positioning assemblies to synchronously rotate is arranged above the base;
the adjustable positioning assembly is arranged on the base, a lifting assembly used for lifting the mechanical arm is arranged between the two adjustable positioning assemblies, and the two adjustable positioning assemblies are symmetrically distributed about the lifting assembly.
Preferably, the distance measuring device further comprises a distance measuring assembly, wherein the distance measuring assembly comprises a transmitting end and a receiving end, the transmitting end is installed at the upper end of one annular support, the receiving end is installed at the upper end of the other annular support, and the transmitting end and the receiving end are distributed oppositely.
Preferably, each adjustable positioning component comprises a positioning seat, a central transmission component, a linear adjusting component and a pressing component which are of a cavity structure, the positioning seat is vertically rotatably assembled on the annular support, the central transmission component is installed at the central position of the positioning seat, the linear adjusting components are annularly and uniformly distributed in the positioning seat, the pressing components correspond to the linear adjusting components one by one, the pressing components penetrate through the strip-shaped grooves formed in the side end faces of the positioning seat and are connected with the adjusting ends of the corresponding linear adjusting components, and the power input ends of all the linear adjusting components are connected with the power output end of the central transmission component.
Preferably, the central transmission assembly comprises a support shaft and a central large bevel gear, the central large bevel gear is rotatably installed in the positioning seat through the support shaft, and the central large bevel gear is located in the center of the positioning seat;
each linear adjusting assembly comprises a lead screw, a sliding seat and a small bevel gear, the lead screw is rotatably arranged in the positioning seat, the small bevel gear is arranged at the end part of the lead screw and is meshed with the central large bevel gear, the sliding seat is arranged on the lead screw in a threaded manner and is in sliding fit with the positioning seat, and the end part of the pressing assembly is connected with the sliding seat;
the tip of lead screw extends to the outside of positioning seat, and all is equipped with the square draw-in groove that is used for grafting operating handle on the terminal surface of the tip of every lead screw.
Preferably, the horizontal bidirectional interval adjusting assembly comprises a bidirectional screw, a transverse sliding seat and a screw motor, the bidirectional screw is horizontally rotatably installed in the base, the screw motor is installed on the base, the driving end of the screw is connected with the end part of the bidirectional screw, the transverse sliding seats correspond to the rack one by one, the two transverse sliding seats are installed on the bidirectional screw in a threaded mode and are in sliding fit with the base, and the lower end of the rack is connected with the corresponding transverse sliding seat.
Preferably, the synchronous adjusting mechanism comprises an adjusting motor, a straight gear, transmission shafts, a telescopic assembly and outer gear rings, each rack is horizontally and rotatably provided with a section of transmission shaft, the outer wall of each positioning seat is sleeved with an outer gear ring, each transmission shaft at one end is provided with a straight gear corresponding to the outer gear ring, the straight gears are meshed with the corresponding outer gear rings, the adjusting motor is arranged on one rack, and the driving end of the adjusting motor is connected with the end part of the transmission shaft;
the telescopic assembly comprises a support, a rotating sleeve and a square rod, the rotating sleeve is horizontally rotated and arranged above the base through the support, a square groove and each section are formed in the rotating sleeve, the end portion of the transmission shaft is provided with one section of square rod which is coaxially distributed, and the square rod extends into the square groove and is in sliding fit with the square groove.
Preferably, the lifting and lifting assembly comprises a lifting assembly, a bracket and rotating carrier rollers which are arranged on the bracket in a side-by-side rotating mode at equal intervals, the bracket is arranged at the upper end of the lifting assembly, and the lifting assembly is vertically arranged on the support.
When the automatic positioning device is used, the automatic positioning device is used for horizontally positioning a mechanical arm to be processed, when the mechanical arm is horizontally positioned, the mechanical arm is horizontally placed on the lifting and lifting assembly, and the lifting and lifting assembly lifts the mechanical arm to a set height;
then, the distance between the two adjustable positioning assemblies is adjusted through the transverse bidirectional distance adjusting assembly, so that the two adjustable positioning assemblies move to a set distance (ranging is carried out through the ranging assembly) towards the direction of mutual approaching, and at the moment, two end parts of the mechanical arm are located in the positioning areas of the adjustable positioning assemblies;
then, an external operating handle is utilized to insert the end part of the operating handle to the end part of any screw rod in the adjustable positioning assembly, then the operating handle drives the screw rods to rotate, the rest screw rods rotate simultaneously through the small bevel gear and the central large bevel gear, and the screw rods drive the pressing assembly to move towards the direction close to the central axis of the positioning seat through the sliding seat when rotating and are in contact with the outer wall of the mechanical arm, so that the two end parts of the mechanical arm are positioned;
after the positioning is finished, when the mechanical arm needs to be turned over during the machining of the mechanical arm, the adjusting motor is started, and drives the transmission shaft to rotate, so that the transmission shaft drives the straight gear to rotate, and the positioning seat is driven to rotate through the meshed outer gear rings, so that the mechanical arm can be more conveniently machined;
in order to make two positioning seats rotate synchronously when rotating, consequently set up flexible subassembly between two sections transmission shafts for the span of two sections transmission shafts both can adjust, can not influence the transmission of power yet, and is comparatively convenient.
The horizontal positioning device is simple in structure, is suitable for horizontally positioning mechanical arms with different sizes, can drive the mechanical arms to rotate in the horizontal direction when the mechanical arms are machined, and is convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an internal view of the positioning base;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is an enlarged view at C in bitmap 3;
1-base, 2-screw motor, 3-bidirectional screw, 4-transverse sliding base, 5-frame, 6-annular support, 7-positioning base, 8-external gear ring, 9-support, 10-rotating sleeve, 11-transmission shaft, 12-square rod, 13-adjusting motor, 14-straight gear, 15-supporting plate, 16-pressing block, 17-central large bevel gear, 18-small bevel gear, 19-screw, 20-sliding base, 21-square clamping groove, 22-lifting component, 23-rotating carrier roller, 24-transmitting end and 25-receiving end.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 to 5, the adjustable supporting and positioning device for machining a mechanical arm comprises a base and an adjustable positioning mechanism arranged on the base, wherein the base 1 is of a cavity structure, and the adjustable positioning mechanism comprises adjustable positioning components which are vertically and symmetrically distributed above the base 1 and a transverse bidirectional spacing adjusting component arranged on the base 1;
the horizontal bidirectional spacing adjusting assembly is horizontally arranged on the base 1, two adjusting ends of the horizontal bidirectional spacing adjusting assembly are respectively provided with a rack 5, the rack 5 is positioned above the base 1, an annular support 6 is vertically arranged on the rack 5, the annular support 6 corresponds to the adjustable positioning assemblies one by one, the adjustable positioning assemblies are vertically and rotatably arranged on the annular support 6, the two adjustable positioning assemblies are oppositely distributed, and a synchronous adjusting mechanism for driving the two adjustable positioning assemblies to synchronously rotate is arranged above the base 1;
the base 1 is located two be provided with the lift subassembly that is used for lifting the arm between the adjustable locating component, two adjustable locating component is about lift subassembly symmetric distribution.
In this embodiment, the device further comprises a distance measuring assembly, wherein the distance measuring assembly comprises a transmitting end 24 and a receiving end 25, the transmitting end 24 is installed at the upper end of one of the annular supports 6, the receiving end 25 is installed at the upper end of the other annular support 6, and the transmitting end 24 and the receiving end 25 are distributed oppositely.
In this embodiment, each adjustable positioning component includes a positioning seat 7, a central transmission component, a linear adjustment component and a compression component, the compression component is composed of a supporting plate 15 and a pressing block 16 arranged on the inner side end face of the supporting plate 15, the positioning seat 7 is vertically and rotatably assembled on the annular support 6, the central transmission component is installed at the central position of the positioning seat 7, the linear adjustment components are annularly and uniformly distributed in the positioning seat 7, the supporting plate 15 corresponds to the linear adjustment components one by one, the end part of the supporting plate 15 penetrates through a strip-shaped groove arranged on the side end face of the positioning seat 7 and is connected with the adjusting end of the corresponding linear adjustment component, and all the power input ends of the linear adjustment components are connected with the power output end of the central transmission component.
In this embodiment, the central transmission assembly includes a support shaft and a central large bevel gear 17, the central large bevel gear 17 is rotatably mounted in the positioning seat 7 through the support shaft, and the central large bevel gear 17 is located at the center position of the positioning seat 7;
each linear adjusting assembly comprises a lead screw 19, a sliding seat 20 and a small bevel gear 18, the lead screw 19 is rotatably installed in the positioning seat 7, the small bevel gear 18 is installed at the end part of the lead screw 19 and is meshed with the central large bevel gear 17, the sliding seat 20 is installed on the lead screw 19 in a threaded manner and is in sliding fit with the positioning seat 7, and the end part of the pressing assembly is connected with the sliding seat 20;
the end part of the screw rod 19 extends to the outer side of the positioning seat 7, and a square clamping groove 21 for inserting an operating handle is arranged on the end surface of the end part of each screw rod 19.
In this embodiment, horizontal two-way interval adjustment assembly includes two-way lead screw 3, sideslip slide 4 and lead screw motor 2, two-way lead screw 3 horizontal rotation is installed in base 1, lead screw motor 2 installs on base 1, and the drive end is connected with two-way lead screw 3's tip, sideslip slide 4 and frame 5 one-to-one, two sideslip slide 4 threaded mounting is on two-way lead screw 3, and with base 1 sliding fit, the lower extreme of frame 5 is connected with corresponding sideslip slide 4.
In this embodiment, the synchronous adjusting mechanism includes an adjusting motor 13, a spur gear 14, transmission shafts 11, a telescopic assembly and an outer gear ring 8, each rack 5 is horizontally and rotatably provided with a section of the transmission shaft 11, the outer wall of each positioning seat 7 is sleeved with the outer gear ring 8, the transmission shaft 11 at each end is provided with the spur gear 14 corresponding to the outer gear ring 8, the spur gear 14 is meshed with the corresponding outer gear ring 8, the adjusting motor 13 is installed on one rack 5, and the driving end is connected with the end of the transmission shaft 11;
the telescopic assembly comprises a support 9, a rotating sleeve 10 and a square rod 12, wherein the rotating sleeve 10 is horizontally rotated through the support 9 and is arranged above the base 1, a square groove (not shown in the figure) is formed in the rotating sleeve 10, each section of the end part of the transmission shaft 11 is provided with the square rod 12 which is coaxially distributed, and the square rod 12 extends into the square groove and is in sliding fit with the square groove.
In this embodiment, the lifting and lifting assembly comprises a lifting assembly 22, a bracket and rotating carrier rollers 23 which are rotatably mounted on the bracket in parallel at equal intervals, wherein the bracket is provided with the upper end of the lifting assembly 22, and the lifting assembly 22 is vertically arranged on the support 9.
When the automatic positioning device is used, the automatic positioning device is used for horizontally positioning a mechanical arm to be processed, when the mechanical arm is horizontally positioned, the mechanical arm is horizontally placed on the lifting and lifting assembly, and the lifting and lifting assembly lifts the mechanical arm to a set height;
then, the distance between the two adjustable positioning assemblies is adjusted through the transverse bidirectional distance adjusting assembly, so that the two adjustable positioning assemblies move to a set distance (ranging is carried out through the ranging assembly) towards the direction of mutual approaching, and at the moment, two end parts of the mechanical arm are located in the positioning areas of the adjustable positioning assemblies;
then, an external operating handle is utilized to insert the end part of the operating handle to the end part of any screw rod 19 in the adjustable positioning assembly, then the operating handle drives the screw rod 19 to rotate, the rest screw rods 19 are enabled to simultaneously rotate through the small bevel gear 18 and the central large bevel gear 17, and the screw rod 19 drives the pressing assembly to move towards the direction close to the central axis of the positioning seat 7 through the sliding seat 20 when rotating and is in contact with the outer wall of the mechanical arm, so that the two end parts of the mechanical arm are positioned;
after the positioning is finished, when the mechanical arm needs to be turned over during the machining of the mechanical arm, the adjusting motor 13 is started, the adjusting motor 13 drives the transmission shaft 11 to rotate, so that the transmission shaft 11 drives the straight gear 14 to rotate, and the positioning seat 7 is driven to rotate through the meshed outer gear ring 8, so that the machining operation of the mechanical arm can be more conveniently carried out;
in order to enable the two positioning seats to rotate synchronously when the two positioning seats rotate, a telescopic assembly is arranged between the two sections of transmission shafts 11, so that the span of the two sections of transmission shafts 11 can be adjusted, the transmission of power cannot be influenced, and the device is convenient.
The horizontal positioning device is simple in structure, is suitable for horizontally positioning mechanical arms with different sizes, can drive the mechanical arms to rotate in the horizontal direction when the mechanical arms are machined, and is convenient to use.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. An adjustable supporting and positioning device for machining a mechanical arm comprises a base (1) and an adjustable positioning mechanism arranged on the base (1), and is characterized in that the base (1) is of a cavity structure, and the adjustable positioning mechanism comprises adjustable positioning components which are vertically and symmetrically distributed above the base (1) and transverse bidirectional spacing adjusting components arranged on the base (1);
the horizontal bidirectional spacing adjusting assembly is horizontally arranged on the base (1), two adjusting ends of the horizontal bidirectional spacing adjusting assembly are respectively provided with a rack (5), the racks (5) are positioned above the base (1), an annular support (6) is vertically arranged on the racks (5), the annular supports (6) correspond to the adjustable positioning assemblies one by one, the adjustable positioning assemblies are vertically and rotatably arranged on the annular supports (6), the two adjustable positioning assemblies are oppositely distributed, and a synchronous adjusting mechanism for driving the two adjustable positioning assemblies to synchronously rotate is arranged above the base (1);
the adjustable positioning device is characterized in that the two adjustable positioning assemblies are arranged on the base (1), lifting and lifting assemblies used for lifting the mechanical arm are arranged between the two adjustable positioning assemblies, and the two adjustable positioning assemblies are symmetrically distributed about the lifting and lifting assemblies.
2. The adjustable supporting and positioning device for machining the mechanical arm according to claim 1, further comprising a distance measuring assembly, wherein the distance measuring assembly comprises a transmitting end (24) and a receiving end (25), the transmitting end (24) is installed at the upper end of one annular support (6), the receiving end (25) is installed at the upper end of the other annular support (6), and the transmitting end (24) and the receiving end (25) are distributed oppositely.
3. The adjustable supporting and positioning device for the machining of the mechanical arm according to claim 1, wherein each adjustable positioning assembly comprises a positioning seat (7) which is a cavity structure, a central transmission assembly, linear adjusting assemblies and a pressing assembly, the positioning seat (7) is vertically and rotatably assembled on an annular support (6), the central transmission assembly is installed at the central position of the positioning seat (7), the linear adjusting assemblies are annularly and uniformly distributed in the positioning seat (7), the pressing assemblies correspond to the linear adjusting assemblies one to one, the pressing assemblies penetrate through strip-shaped grooves formed in the side end faces of the positioning seat (7) and are connected with the adjusting ends of the corresponding linear adjusting assemblies, and power input ends of all the linear adjusting assemblies are connected with the power output end of the central transmission assembly.
4. The adjustable supporting and positioning device for the machining of the mechanical arm is characterized in that the central transmission assembly comprises a supporting shaft and a central large bevel gear (17), the central large bevel gear (17) is rotatably installed in the positioning seat (7) through the supporting shaft, and the central large bevel gear (17) is located at the center of the positioning seat (7);
each linear adjusting assembly comprises a lead screw (19), a sliding seat (20) and a small bevel gear (18), the lead screw (19) is rotatably installed in the positioning seat (7), the small bevel gear (18) is installed at the end part of the lead screw (19) and meshed with the central large bevel gear (17), the sliding seat (20) is installed on the lead screw (19) in a threaded mode and is in sliding fit with the positioning seat (7), and the end part of the pressing assembly is connected with the sliding seat (20);
the end parts of the lead screws (19) extend to the outer side of the positioning seat (7), and a square clamping groove (21) for inserting an operating handle is formed in the end face of the end part of each lead screw (19).
5. The adjustable supporting and positioning device for machining the mechanical arm as claimed in claim 1, wherein the transverse bidirectional spacing adjusting assembly comprises a bidirectional screw (3), transverse sliding seats (4) and a screw motor (2), the bidirectional screw (3) is horizontally and rotatably installed in the base (1), the screw motor (2) is installed on the base (1), the driving end of the screw motor is connected with the end of the bidirectional screw (3), the transverse sliding seats (4) correspond to the machine frame (5) one by one, the two transverse sliding seats (4) are installed on the bidirectional screw (3) in a threaded mode and are in sliding fit with the base (1), and the lower end of the machine frame (5) is connected with the corresponding transverse sliding seat (4).
6. The adjustable supporting and positioning device for machining the mechanical arm according to claim 3, wherein the synchronous adjusting mechanism comprises an adjusting motor (13), a straight gear (14), a transmission shaft (11), a telescopic assembly and an outer gear ring (8), a section of transmission shaft (11) is horizontally and rotatably installed on each rack (5), the outer gear ring (8) is sleeved on the outer wall of each positioning seat (7), the straight gear (14) corresponding to the outer gear ring (8) is installed on each transmission shaft (11), the straight gear (14) is meshed with the corresponding outer gear ring (8), the adjusting motor (13) is installed on one rack (5), and the driving end of the adjusting motor is connected with the end of the transmission shaft (11);
the telescopic assembly comprises a support (9), a rotating sleeve (10) and a square rod (12), the rotating sleeve (10) is horizontally rotated through the support (9) and is arranged above the base (1), a square groove and each section are formed in the inside of the rotating sleeve (10), the end of the transmission shaft (11) is provided with the square rod (12) which is coaxially distributed, and the square rod (12) extends into the square groove and is in sliding fit with the square groove.
7. The adjustable supporting and positioning device for the machining of the mechanical arm is characterized in that the lifting and lifting assembly comprises a lifting assembly (22), a bracket and rotating carrier rollers (23) which are rotatably mounted on the bracket in parallel at equal intervals, the bracket is arranged at the upper end of the lifting assembly (22), and the lifting assembly (22) is vertically arranged on the bracket (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123382679.XU CN216707429U (en) | 2021-12-28 | 2021-12-28 | Adjustable supporting and positioning device for machining mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123382679.XU CN216707429U (en) | 2021-12-28 | 2021-12-28 | Adjustable supporting and positioning device for machining mechanical arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216707429U true CN216707429U (en) | 2022-06-10 |
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ID=81888691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123382679.XU Active CN216707429U (en) | 2021-12-28 | 2021-12-28 | Adjustable supporting and positioning device for machining mechanical arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216707429U (en) |
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2021
- 2021-12-28 CN CN202123382679.XU patent/CN216707429U/en active Active
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