CN213363732U

CN213363732U - Angle adjusting device for articulated arm

Info

Publication number: CN213363732U
Application number: CN202022894866.5U
Authority: CN
Inventors: 冯摇
Original assignee: Jabil Circuit Singapore Pte Ltd
Current assignee: Jabil Circuit Singapore Pte Ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-06-04
Anticipated expiration: 2030-12-03

Abstract

The application discloses articulated arm angle adjusting device includes: the chassis, first fixed part and second fixed part, first fixed part are used for being fixed in the chassis with the fixed rod portion of articulated arm on, the second fixed part is used for the activity pole portion of fixed articulated arm, the second fixed part has relative first end portion and the second end portion that sets up, first end portion articulates on the chassis so that the second fixed part can rotate around the pin joint, the second end portion can be fixed in on the chassis, be provided with on the chassis and be located second end portion rotation orbit one side and follow the calibrated scale that second end portion rotation orbit extends. The process of adjusting the articulated arm is simple, the operation is convenient, repeated debugging is not needed, and the industrial production efficiency is greatly improved.

Description

Angle adjusting device for articulated arm

Technical Field

The application relates to the field of measuring devices, in particular to a knuckle arm angle adjusting device.

Background

When the process size of a plurality of precision parts is measured by three coordinates, the measurement can be carried out only by rotating a special angle, but the angle of the three coordinates cannot be finished, and at the moment, the size measurement can be finished by using a joint arm measuring pin (the angle can be adjusted arbitrarily). In the process of adjusting the angle of the joint arm, the required angle can be adjusted by repeatedly debugging for many times by feeling, the angle consistency of each three-coordinate joint arm cannot be ensured, a large amount of time is wasted, and the angle cannot be accurately adjusted.

SUMMERY OF THE UTILITY MODEL

The application provides a knuckle arm angle adjusting device includes: the base plate, the first fixing part and the second fixing part;

the first fixing part is used for fixing the fixing rod part of the joint arm on the chassis;

the second fixing part is used for fixing a movable rod part of the joint arm, the second fixing part is provided with a first end part and a second end part which are arranged oppositely, the first end part is hinged to the chassis so that the second fixing part can rotate around a hinged point, the second end part can be fixed on the chassis, and the chassis is provided with a dial which is positioned on one side of a rotating track of the second end part and extends along the rotating track of the second end part.

Further, the first fixing portion is a first accommodating groove formed in the chassis, at least a part of the fixing rod portion of the joint arm can be accommodated in the first accommodating groove, and the first accommodating groove is matched with the shape of the fixing rod portion of the joint arm.

Further, a second accommodating groove for accommodating the movable rod part of the joint arm is formed in the second fixing part.

Further, still include driving motor and angle sensor, driving motor's output connect in the second fixed part with the articulated department on chassis, so that the second fixed part can rotate around the pin joint, angle sensor with driving motor communication connection is in order to detect second fixed part pivoted angle.

Furthermore, a sliding groove corresponding to the rotation track of the second end of the second fixing portion is formed in the chassis, and the second end of the second fixing portion is connected with a sliding block capable of being contained in the sliding groove.

Furthermore, a supporting block extending along the sliding groove is arranged on the side wall of the sliding groove, a positioning block located on the lower side of the sliding block is further arranged in the sliding groove, the sliding block and the positioning block are arranged on two opposite sides of the supporting block along the axial direction of the chassis, corresponding screw holes are formed in the sliding block and the positioning block, and the sliding block is fixed on the chassis by screwing a positioning screw rod into the screw holes.

Further, the sliding groove penetrates through the chassis along the axial direction of the chassis.

Further, a third accommodating groove for accommodating the shaft connecting part of the joint arm is formed in the chassis, and a butting block is arranged on one side of the third accommodating groove and can be abutted against the shaft connecting part of the joint arm.

Furthermore, a fourth accommodating groove used for accommodating the abutting block is formed in the chassis, one end of the fourth accommodating groove is communicated with the third accommodating groove, the other end of the fourth accommodating groove extends to the edge of the chassis, a side pressing block which is abutted to the abutting block is arranged at the edge of the chassis, and a corresponding screw hole is formed in the side pressing block and the side wall of the chassis.

Further, the device also comprises an upper pressing block positioned above the third accommodating groove, and the upper pressing block can be covered on the abutting block.

Compared with the prior art, the beneficial effects of this application are as follows:

the angle adjusting device is used for adjusting the angle of the joint arm, wherein the angle between the second fixing part and the first fixing part reaches the angle required by the joint arm by rotating the second fixing part and contrasting with a dial ascending on the chassis, then the fixed rod part and the movable rod part of the joint arm are fixed on the chassis through the first fixing part and the second fixing part respectively, and then the movable rod part of the joint arm is screwed to adjust the angle of the joint arm.

The process of adjusting the articulated arm is simple, the operation is convenient, repeated debugging is not needed, and the industrial production efficiency is greatly improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic diagram according to one embodiment of the present application;

FIG. 2 is a schematic view of the chassis of the present application;

FIG. 3 is a schematic view of a second stationary portion of the present application;

FIG. 4 is a schematic top view of the present application;

FIG. 5 is a schematic view of the abutment block and side-briquetting of the present application.

Description of reference numerals: 100-base plate, 110-sliding groove, 120-supporting block, 130-third containing groove, 140-abutting block, 150-fourth containing groove, 200-first fixing part, 300-second fixing part, 310-second containing groove, 320-sliding block, 330-positioning screw, 340-positioning block, 400-dial plate, 500-side pressing block and 600-upper pressing block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Figure 1 schematically shows an articulated arm angle adjustment device according to one embodiment of the present application, wherein, the angle adjusting device of the articulated arm comprises a chassis 100, a first fixing part 200 and a second fixing part 300, the first fixing part 200 is used for fixing the fixing rod part of the fixed articulated arm on the chassis 100, so that the fixed rod portion of the articulated arm is used as a reference, the second fixing portion 300 is used for fixing the movable rod portion of the articulated arm, the second fixing portion 300 has a first end portion and a second end portion which are oppositely arranged, the first end portion is hinged on the chassis 100 so that the second fixing portion 300 can rotate around a hinge point, the second end portion can be fixed on the chassis 100, so that the second fixing portion 300 is positioned at a certain position on the chassis 100, the chassis 100 is provided with a scale 400 located at one side of the second end rotation track and extending along the second end rotation track, and the scale 400 can display the rotation angle of the second fixing portion 300.

The second fixing portion 300 can precisely adjust the rotation angle of the second fixing portion 300 to a designated angle by matching the second end with the dial 400 on the chassis 100 during the rotation process, and the second fixing portion 300 is rotated to a desired angle and then the second end of the second fixing portion 300 is fixed on the chassis 100, so that the angle between the second fixing portion 300 and the first fixing portion 200 can be maintained, and then the fixed rod portion and the movable rod portion of the joint arm are respectively and correspondingly fixed on the first fixing portion 200 and the second fixing portion 300, at this time, the angle between the fixed rod portion and the movable rod portion of the joint arm is the same as the angle between the first fixing portion 200 and the second fixing portion 300, i.e., the desired angle, and then the movable rod portion of the joint arm is screwed, so that the joint arm can maintain the desired angle, and the angle adjustment of the joint arm is completed.

When adjusting the angle of the joint arm through the adjusting device, the angle of the joint arm does not need to be adjusted repeatedly through manual operation, and the angle adjustment of the joint arm can be completed through one-time operation, so that the adjusting mode is simple, and the adjusting efficiency is high.

It should be noted that the fixed rod portion of the articulated arm may be any one of two rod portions of the articulated arm, and in this case, the other rod portion is a movable rod portion, which is not limited in this application.

The scale 400 may be an angle mark provided on the chassis 100, or an angle display device provided on one side of the chassis 100, which is not limited in this application. While the angular range of the scale 400 may be set according to the actual desired angle of adjustment, in embodiments, the angular range of the scale 400 may be set between 0 degrees and 180 degrees.

In a preferred embodiment of the present embodiment, in order to make the angle comparison of the second fixing portion 300 with the dial 400 more accurate, the second end portion of the second fixing portion 300 may be provided with a pointer extending above the dial 400, so that the angle of rotation of the second fixing portion 300 can be more conveniently and accurately observed

In one embodiment, the first fixing portion 200 is a first receiving groove formed on the chassis 100, and the fixing rod portion of the joint arm can be at least partially received in the first receiving groove, and the first receiving groove is matched with the shape of the fixing rod portion of the joint arm.

Specifically, the first accommodating groove accommodates part of the fixed rod part in the fixed rod part, and the first accommodating groove is arranged to be matched with the fixed rod part to prevent the fixed rod part from moving in the first accommodating groove, so that the accuracy of angle adjustment is improved.

In one embodiment, referring to fig. 1, since the movable rod portion of the articulated arm is higher than the fixed rod portion, the second fixing portion 300 may be a bar disposed on the chassis 100, and the second fixing portion 300 is formed with a second receiving groove 310 for receiving the movable rod portion of the articulated arm, and correspondingly, the second receiving groove 310 should be disposed higher than the first receiving groove. The bottom surface of the second fixing portion 300 and the surface of the base plate 100 should be smooth surfaces so that the second fixing portion 300 can smoothly rotate on the base plate 100 and the adjustment angle of the second fixing portion 300 can be more accurate.

In one embodiment, in order to adjust the angle of the second fixing portion 300 more accurately, the angle adjusting apparatus further includes a driving motor and an angle sensor, an output end of the driving motor is connected to a hinge point of the second fixing portion 300 and the chassis 100, specifically, a first end of the second fixing portion 300 and the chassis 100 are provided with corresponding through holes, a rotating shaft is disposed in the through holes, the rotating shaft is in interference fit with the through holes of the second fixing portion 300, the rotating shaft can rotate in the through holes of the chassis 100, an output end of the driving motor is connected to the rotating shaft, so as to drive the second fixing portion 300 to rotate around the hinge point with the chassis 100, the angle sensor is in communication connection with the driving motor, and can detect the rotation angle of the second fixing portion 300 driven by the driving motor, correspondingly, a digital display meter in communication connection with the angle sensor is further disposed to display the rotation angle of the second fixing, the rotation angle of the second fixing part 300 can be more accurately adjusted by the cooperation of the driving motor and the angle sensor, and the angle adjustment of the articulated arm is more accurate.

In one embodiment, referring to fig. 1 and 2, the chassis 100 is provided with a sliding groove 110 corresponding to a rotation track of a second end of the second fixing portion 300, the second end of the second fixing portion 300 is connected to a slider 320 capable of being accommodated in the sliding groove 110, and the slider 320 is arranged to position the second fixing portion 300, so that the second fixing portion 300 is more stable in the rotation process. It should be noted that the shape of the sliding block 320 should match with the sliding slot 110, and since the sliding slot 110 is extended along the rotation track of the second end, the side wall of the sliding slot 110 is a cambered surface, and correspondingly, the wall surface of the sliding block 320 contacting with the inner wall of the sliding slot 110 should also be a cambered surface matching with the cambered side wall of the sliding slot 110.

In one embodiment, referring to fig. 2 and 3, a supporting block 120 extending along the sliding groove 110 is disposed on a side wall of the sliding groove 110, the supporting block 120 can divide the sliding groove 110 into an upper region and a lower region, a positioning block 340 located at a lower side of the slider 320 is further disposed in the sliding groove 110, the slider 320 and the positioning block 340 are disposed at opposite sides of the supporting block 120 along an axial direction of the chassis 100, that is, the slider 320 and the positioning block 340 are respectively disposed in the upper region and the lower region of the sliding groove 110, and the slider 320 and the positioning block 340 are provided with corresponding screw holes, so that the slider 320 is fixed to the chassis 100 by screwing the positioning screw 330.

The shape of the positioning block 340 should also be matched with the sliding slot 110, specifically, the wall surface of the positioning block 340 contacting with the sliding slot 110 should also be an arc surface matched with the arc-surface side wall of the sliding slot 110, so that the positioning block 340 can only move along the sliding slot 110 without displacement in other directions, the bottom surface of the slider 320 can be tightly pressed on the supporting block 120 by rotating the positioning screw 330, correspondingly, the top surface of the positioning block 340 also abuts against the bottom of the supporting block 120, so that the second end of the second fixing portion 300 is fixed on the chassis 100 and cannot move, after the angle of the second fixing portion 300 is adjusted in place, the angle between the second fixing portion 300 and the first fixing portion 200 can be fixed by the above operation, and the fixing rod portion and the movable rod portion of the joint arm are conveniently placed in the first receiving groove and the second receiving groove 310, respectively.

In one embodiment, referring to fig. 1 and 2, the sliding groove 110 extends through the chassis 100 along the axial direction of the chassis 100, and after the sliding groove 110 extends through the chassis 100, the positioning block 340 can be inserted into the sliding groove 110 from the bottom of the chassis 100 when the positioning block 340 is installed, so as to position the sliding block 320 and the screw hole on the positioning block 340, and thus, the installation of the sliding block 320 and the positioning block 340 is more convenient.

In an embodiment, referring to fig. 1, 2 and 5, the chassis 100 is formed with a third receiving groove 130 for receiving an axis connecting portion of the joint arm, the axis connecting portion is a connection portion between the fixed rod portion and the movable rod portion, and an abutting block 140 is disposed at one side of the third receiving groove 130. The abutting block 140 can abut against the shaft connecting portion located in the third receiving groove 130, so that the shaft connecting portion abuts against the inner wall of the third receiving groove 130, thereby achieving the purpose of fastening the joint arm and enabling the angle adjustment of the joint arm to be more accurate.

In one embodiment, referring to fig. 1 and 5, a fourth receiving groove 150 for receiving the abutting block 140 is formed in the chassis 100, one end of the fourth receiving groove 150 is communicated with the third receiving groove 130, the other end of the fourth receiving groove 150 extends to the edge of the chassis 100, a side pressing block 500 abutting against the abutting block 140 is disposed on the edge of the chassis 100, corresponding screw holes are disposed on the side pressing block 500 and the side wall of the chassis 100, and bolts are screwed into the screw holes to tightly abut the side pressing block 500 against the side wall of the chassis 100, so that the side pressing block 500 tightly abuts against the abutting block 140, and then the abutting block 140 tightly abuts against the shaft connecting portion, thereby fixing the joint arm.

In one embodiment, referring to fig. 1, the bottom plate 100 is further provided with an upper pressing block 600 located above the fourth receiving groove 150, the upper pressing block 600 can be pressed on the abutting block 140, and the upper pressing block 600 and the side pressing block 500 apply pressure to the abutting block 140 from two directions, so that the abutting block 140 is stably fixed in the fourth receiving groove 150, and the contact and abutment effect of the abutting block 140 and the shaft connecting portion of the joint arm is better. Corresponding screw holes are also formed in the upper pressing block 600 and the chassis 100, and the upper pressing block 600 is abutted against the abutting block 140 by screwing bolts into the screw holes, and the upper pressing block 600 is also detachable.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. An articulated arm angle adjustment device, comprising: a chassis (100), a first fixing part (200), and a second fixing part (300);

wherein the first fixing part (200) is used for fixing the fixing rod part of the joint arm on the chassis (100);

the second fixing part (300) is used for fixing a movable rod part of the joint arm, the second fixing part (300) is provided with a first end part and a second end part which are arranged oppositely, the first end part is hinged to the chassis (100) to enable the second fixing part (300) to rotate around a hinge point, the second end part can be fixed on the chassis (100), and the chassis (100) is provided with a dial (400) which is located on one side of a rotation track of the second end part and extends along the rotation track of the second end part.

2. The articulated arm angle adjustment device of claim 1, wherein the first fixing portion (200) is a first receiving groove formed on the chassis (100), the fixing rod portion of the articulated arm being at least partially receivable in the first receiving groove, and the first receiving groove being matched to the shape of the fixing rod portion of the articulated arm.

3. The angle adjustment device of claim 2, wherein the second fixing portion (300) has a second receiving groove (310) formed therein for receiving the movable rod portion of the articulated arm.

4. The articulated arm angle adjustment device according to any one of claims 1 to 3, further comprising a driving motor having an output connected to a hinge point of the second fixing portion (300) and the base plate (100) so that the second fixing portion (300) can rotate around the hinge point, and an angle sensor communicatively connected to the driving motor to detect an angle at which the second fixing portion (300) rotates.

5. The articulated arm angle adjustment device of claim 1, wherein the chassis (100) is provided with a sliding slot (110) corresponding to a rotation track of the second end of the second fixing portion (300), and the second end of the second fixing portion (300) is connected to a slider (320) capable of being accommodated in the sliding slot (110).

6. The articulated arm angle adjusting device according to claim 5, wherein a support block (120) extending along the sliding slot (110) is disposed on a side wall of the sliding slot (110), a positioning block (340) located at a lower side of the slider (320) is further disposed in the sliding slot (110), the slider (320) and the positioning block (340) are disposed at opposite sides of the support block (120) along an axial direction of the chassis (100), and corresponding screw holes are disposed on the slider (320) and the positioning block (340), and the slider (320) is fixed on the chassis (100) by screwing a positioning screw (330) into the screw holes.

7. The articulated arm angle adjustment device of claim 6, wherein the sliding slot (110) penetrates the chassis (100) in an axial direction of the chassis (100).

8. The articulated arm angle adjustment device of claim 2, wherein the chassis (100) is provided with a third receiving groove (130) for receiving the shaft connecting portion of the articulated arm, and a contact block (140) is disposed on one side of the third receiving groove (130), and the contact block (140) can be contacted with the shaft connecting portion of the articulated arm.

9. The articulated arm angle adjusting device of claim 8, wherein the chassis (100) is provided with a fourth receiving groove (150) for receiving the abutting block (140), one end of the fourth receiving groove (150) is communicated with the third receiving groove (130), the other end of the fourth receiving groove (150) extends to the edge of the chassis (100), the edge of the chassis (100) is provided with a side pressing block (500) abutting against the abutting block (140), and the side pressing block (500) and the side wall of the chassis (100) are provided with corresponding screw holes.

10. The articulated arm angle adjustment device of claim 9, further comprising an upper pressing block (600) located above the third receiving groove (130), the upper pressing block (600) being capable of being covered on the abutment block (140).