CN211980313U - Vertical general electrochemical resistance trimming machine - Google Patents
Vertical general electrochemical resistance trimming machine Download PDFInfo
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- CN211980313U CN211980313U CN202020926216.1U CN202020926216U CN211980313U CN 211980313 U CN211980313 U CN 211980313U CN 202020926216 U CN202020926216 U CN 202020926216U CN 211980313 U CN211980313 U CN 211980313U
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Abstract
The utility model discloses a vertical universal electrochemical resistance trimming machine, which comprises a base, a stand column, a resistance trimming mechanism, a rotary leveling mechanism and an XY moving platform; the XY moving platform is arranged on the base, and the rotary leveling mechanism is arranged on the XY moving platform; the rotary leveling mechanism comprises a strain gauge mounting plate and a driving motor, the driving motor is vertically arranged, an output shaft of the driving motor faces upwards, and the strain gauge mounting plate is horizontally arranged on an output shaft of the driving motor; the linear motion mechanism is fixed with the top end of the upright post and is horizontally arranged; the resistance adjusting cylinder and the resistance measuring cylinder are both connected with the output end of the linear motion mechanism, the resistance adjusting cylinder and the resistance measuring cylinder are located below the linear motion mechanism, the output directions of the resistance adjusting cylinder and the resistance measuring cylinder are vertical, the resistance adjusting head is connected with the output end of the resistance adjusting cylinder, the resistance measuring head is connected with the output end of the resistance measuring cylinder, and the heads of the resistance adjusting head and the resistance measuring head are both downward and are located right above the XY moving platform. The device can move in multiple directions, and flexibly adjust resistance of the strain gauge.
Description
Technical Field
The utility model belongs to strainometer resistance adjusting field relates to a vertical general electrochemistry resistance adjusting machine.
Background
Foil type strain gauges are mainly used in the pressure sensor industry. In recent years, dynamic weighing technology is mature day by day, weighing sensors are required to be arranged on devices such as dynamic logistics weighing and dynamic weight detection, and the demand of the industry in recent years is very large; the existing mode of adjusting the resistance value of the strain gauge through manual polishing can cause the phenomena of unrepairable scratches, foil falling, grid breakage and the like on the surface of the strain gauge, and the manual resistance adjusting process can seriously affect the production efficiency and the product quality and is difficult to adapt to market demands.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a vertical general electrochemistry resistance trimming machine, can use the machine to carry out the removal of a plurality of directions, carry out nimble resistance trimming to the strain gauge.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a vertical universal electrochemical resistance trimming machine comprises a base, an upright post, a resistance trimming mechanism, a rotary leveling mechanism and an XY moving platform;
the XY moving platform is arranged on the base, and the rotary leveling mechanism is arranged on the XY moving platform;
the rotary leveling mechanism comprises a strain gauge mounting plate and a driving motor, the driving motor is vertically arranged, an output shaft of the driving motor faces upwards, and the strain gauge mounting plate is horizontally arranged on an output shaft of the driving motor;
the stand column is vertically arranged on the base, and the resistance adjusting mechanism comprises a linear motion mechanism, a resistance adjusting cylinder, a resistance measuring cylinder, a resistance adjusting head and a resistance measuring head; the linear motion mechanism is fixed with the top end of the upright post and is horizontally arranged; the resistance adjusting cylinder and the resistance measuring cylinder are both connected with the output end of the linear motion mechanism, the resistance adjusting cylinder and the resistance measuring cylinder are located below the linear motion mechanism, the output directions of the resistance adjusting cylinder and the resistance measuring cylinder are vertical, the resistance adjusting head is connected with the output end of the resistance adjusting cylinder, the resistance measuring head is connected with the output end of the resistance measuring cylinder, and the heads of the resistance adjusting head and the resistance measuring head are both downward and are located right above the XY moving platform.
Preferably, the XY-moving stage includes two ball screw devices perpendicular to each other in the horizontal direction, the sliding member of the ball screw device is a sliding plate, the upper ball screw device is provided on the sliding plate of the lower ball screw device, and the rotation leveling mechanism is provided on the sliding plate of the upper ball screw device.
Preferably, the strainometer mounting panel adopts two-layer plate, adopts a plurality of bolted connection between two-layer plate, and a plurality of bolts equipartition are at the plate edge, and bolt installation direction perpendicular to plate surface.
Preferably, a wiping head is arranged between the resistance adjusting head and the resistance measuring head, the wiping head is connected with an output end of a wiping cylinder, the wiping cylinder is connected with an output end of the linear motion mechanism, the wiping cylinder is located below the linear motion mechanism, and the output direction of the wiping cylinder is in the vertical direction.
Preferably, four strain gauge mounting positions are uniformly distributed on the strain gauge mounting plate.
Preferably, a visual camera and a display screen are arranged on the stand column, a lens of the visual camera faces the upper surface of the strain gauge mounting plate, and the input end of the display screen is connected with the output end of the visual camera.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a setting of XY moving platform, two cylinders and rotatory leveling mechanism can be at the accent and hinder the in-process, carries out the ascending removal in three-dimensional space arbitrary direction and horizontal rotation, can be nimble carry out the strainometer and transfer and hinder, transfer the efficient of hindering, and control is convenient, can guarantee the product and transfer and hinder the quality.
Further, the strainometer mounting plate formed by the two layers of plates connected through the bolts can adjust the bolt mounting depths of different positions, so that the distance between the two layers of plates at different positions is adjusted, and the levelness of the strainometer mounting plate is further adjusted.
Furthermore, four strain gauge installation positions can carry out continuous strain gauge resistance adjusting work, and resistance adjusting efficiency is improved.
Furthermore, the display screen displays the picture of the vision camera, the picture of the strain gauge area can be amplified, and the observation and work of operators are facilitated.
Drawings
Figure 1 is a schematic view of the overall structure of the utility model,
figure 2 is a schematic structural view of the resistance adjusting mechanism of the utility model,
figure 3 is a schematic view of the rotary leveling mechanism of the present invention,
fig. 4 is a schematic structural view of the column and its mounting assembly of the present invention;
fig. 5 is a schematic view of the XY moving platform of the present invention.
Wherein: 1-rotating a leveling mechanism; 2-a resistance adjusting mechanism; 3-a support mechanism; 4-a display screen; 5-a drag chain; 6-XY moving stage; 7-a base; 8-a linear motion mechanism; 9-a resistance tuning head substrate; 10-resistance trimming; 11-a wiping head; 12-a resistance measuring head; 13-moving the connecting piece; 14-a drive motor; 15-rotating the platform; 16-rotating platform mounting plate; 17-calibrating the mounting plate; 18-strain gauge mounting plate; 19-tabletting; 20-antifriction copper sleeve; 21-a connector; 22-a visual camera; 23-a column; 24-marble table top; 25-a protective cover; 26-PCB fixing plate; 27-supporting side shields; 28-nut seat connecting plate; 29-a cover plate; 30-ball screw block BK; 31-motor mounting plate 31; 32-a motor; 33-motor side coupling plate; 34-a coupling; 35-right side panel; 36-left side panel; 37-motor side seal plate; 38-a mounting plate; 39-a guide rail; 40-a lead screw; 41-ball screw seat BF.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1, it is the vertical general electrochemical resistance trimming machine of the present invention, which comprises a base 7, a supporting mechanism 3, a resistance trimming mechanism 2, a rotary leveling mechanism 1, a display screen 4, a drag chain 5 and an XY moving platform 6.
Fig. 2 is a resistance adjusting mechanism 2, which includes a linear motion mechanism 8, a resistance adjusting cylinder, a resistance measuring cylinder, a wiping head 11, a resistance adjusting head 10 and a resistance measuring head 12; the resistance adjusting cylinder, the resistance measuring cylinder and the wiping cylinder are fixed below the linear motion mechanism 8 through a movable connecting sheet 13 and can do linear motion together with the linear motion mechanism 8; the linear motion mechanism 8 is fixed above the resistance adjusting head base plate 9, and the linear motion mechanism 8 is fixed with the top end of the upright column 23 and horizontally arranged. The output direction of the resistance adjusting cylinder and the resistance measuring cylinder is vertical, the resistance adjusting head 10 is connected with the output end of the resistance adjusting cylinder, the resistance measuring head 12 is connected with the output end of the resistance measuring cylinder, and the heads of the resistance adjusting head 10 and the resistance measuring head 12 are both downward and are positioned right above the XY moving platform 6. A wiping head 11 is arranged between the resistance adjusting head 10 and the resistance measuring head 12, the wiping head 11 is connected with an output end of a wiping cylinder, the wiping cylinder is connected with an output end of the linear motion mechanism 8, the wiping cylinder is located below the linear motion mechanism 8, and the output direction of the wiping cylinder is in the vertical direction.
Fig. 3 shows the rotary leveling mechanism 1. The rotary leveling mechanism 1 comprises a strain gauge mounting plate 18 and a driving motor 14, wherein the strain gauge mounting plate 18 is horizontally arranged on an output shaft of a rotary motor 32; the antifriction copper bush 20 is embedded in the strain gauge mounting plate 18, and the pressing sheet 19 and the calibration mounting plate 17 are fixed on the leveling component through screws; the driving motor 14 is connected with the rotary platform 15, the rotary platform 15 is fixed on the rotary platform mounting plate 16, and the rotary shaft of the rotary platform 15 is vertically arranged. The strain gauge mounting plate 18 is formed by two layers of plates, the two layers of plates are connected through a plurality of bolts, the bolts are uniformly distributed on the edges of the plates, and the bolt mounting direction is perpendicular to the surfaces of the plates. Four strain gauge mounting positions are uniformly distributed on the strain gauge mounting plate 18.
Fig. 4 shows a base 7. The top of the base 7 is a supporting mechanism 3, the bottom of the supporting mechanism 3 is a marble table top 24, an upright column 23 is installed on the marble table top 24, a PCB fixing plate 26 and a protective cover 25 are respectively installed on the side face of the upright column 23, the head of the upright column 23 is provided with a connecting piece 21 of the resistance adjusting mechanism 2, a vision camera 22 and a display screen 4 are fixed on the upright column through screws, the lens of the vision camera 22 faces the upper surface of the strain gauge mounting plate 18, and the input end of the display screen 4 is connected with the output end of.
Fig. 5 shows the XY moving stage 6. The XY moving platform 6 comprises two ball screw 40 devices which are vertical to each other in the horizontal direction, and each ball screw 40 device comprises two parallel guide rails 39, a motor 32, a screw 40, a sheet metal shield and a sliding plate; the sheet metal shield comprises a supporting side shield 27, a cover plate 29, a motor mounting plate 31, a motor side connecting plate 33, a right side plate 35 and a left side plate 36, and is fixedly mounted through screws; the two guide rails 39 are respectively installed on the installation plate 38, are positioned at two sides of the screw 40 and are parallel to the screw 40, the middle part of the bottom of the sliding plate is in threaded connection with the screw 40, the two side parts are in sliding connection with the guide rails 39, the ball screw seat BK30, the ball screw seat BF41 and the screw 40 are assembled and then are respectively connected with the installation plate 38 and the nut seat connecting plate 28, the nut seat connecting plate 28 is the sliding plate, the motor 32 and the motor installation plate 31 are connected and then fixed on the installation plate 38, the motor 32 and the ball screw 40 are connected through the coupler 34, so that the rotary motion of the motor 32 is converted into the movement in the X and Y directions, and the rotary leveling mechanism 1 is arranged on the sliding plate of the.
During the use, paste the strainometer on strainometer mounting panel 18 with waterproof sticky tape, need dip in a little pure water during the laminating, utilize the surface adsorption power of water, adsorb it on strainometer mounting panel 18, then place strainometer mounting panel 18 and rotate leveling mechanism 1 position as shown in fig. 3, after fixing, XY moving platform 6 can move to mechanical origin direction along guide rail 39 under the drive of lead screw 40, picture that display screen 4 shows vision camera 22 and shoots, as shown in fig. 3, then it can certain angle of horizontal rotation to rotate leveling mechanism 1 for the foil gage aligns with the head 11 that cleans on the accent drag mechanism 2.
When resistance measurement is carried out, firstly, a resistance measurement cylinder pushes a resistance measurement head 12 to enable the resistance measurement head 12 to be in contact with a bonding pad on a strain gauge, meanwhile, air holes in the resistance measurement head 12 can blow air, and impurities near the contact of the strain gauge are blown off; and during resistance measurement, reading the resistance value of the secondary strain gauge, repeating the actions if the difference is large, and then continuously measuring the resistance value.
During resistance adjustment, after resistance measurement is completed, resistance adjustment time and electrified current are calculated, the position of the linear motion mechanism 8 can be switched, the point position on the resistance adjustment head 10 is switched to be aligned with a strain gauge pad, the resistance adjustment head 10 can be pushed by the resistance adjustment cylinder and fully contacted with the strain gauge under the control of an electromagnetic valve, then under the action of a liquid suction pump, resistance adjustment liquid flows through a gap part between the resistance adjustment head 10 and a strain gauge, and meanwhile, the resistance adjustment liquid is electrified, wires on the strain gauge are corroded, and therefore the purpose of resistance adjustment is achieved.
When wiping, after resistance adjustment is completed, the electromagnetic valve can control the action of the wiping head 11 on the resistance adjustment mechanism 2, the wiping head 11 extends downwards to be in contact with the strain gauge, and meanwhile, the front end surface of the wiping head 11 is provided with a plurality of holes, so that the wiping head 11 can form negative pressure, residual resistance adjustment liquid on the surface of the strain gauge is sucked away under the action of the negative pressure, the surface of the strain gauge is ensured to be clean and pollution-free, and therefore the accuracy of resistance measurement is ensured, and the resistance adjustment efficiency is ensured.
After the resistance adjustment of the strain gauge in one row/column is finished, the XY movement mechanism is driven by the motor 32 to change the row, so that the XY moving platform 6 moves the fixed distance on the strain gauge in the direction of the guide rail 39, and then the previous actions of resistance measurement, resistance adjustment and wiping are continuously repeated.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (6)
1. A vertical universal electrochemical resistance trimming machine is characterized by comprising a base (7), an upright post (23), a resistance trimming mechanism (2), a rotary leveling mechanism (1) and an XY moving platform (6);
the XY moving platform (6) is arranged on the base (7), and the rotary leveling mechanism (1) is arranged on the XY moving platform (6);
the rotary leveling mechanism (1) comprises a strain gauge mounting plate (18) and a driving motor (14), the driving motor (14) is vertically arranged, an output shaft of the driving motor (14) faces upwards, and the strain gauge mounting plate (18) is horizontally arranged on the output shaft of the driving motor (14);
the upright post (23) is vertically arranged on the base (7), and the resistance adjusting mechanism (2) comprises a linear motion mechanism (8), a resistance adjusting cylinder, a resistance measuring cylinder, a resistance adjusting head (10) and a resistance measuring head (12); the linear motion mechanism (8) is fixed with the top end of the upright post (23) and is horizontally arranged; the resistance adjusting cylinder and the resistance measuring cylinder are both connected with the output end of the linear motion mechanism (8), the resistance adjusting cylinder and the resistance measuring cylinder are located below the linear motion mechanism (8), the output directions of the resistance adjusting cylinder and the resistance measuring cylinder are vertical, the resistance adjusting cylinder output end is connected with the resistance adjusting head (10), the resistance measuring cylinder output end is connected with the resistance measuring head (12), and the heads of the resistance adjusting head (10) and the resistance measuring head (12) are all downward and located right above the XY moving platform (6).
2. Vertical universal electrochemical resistance trimming machine according to claim 1, characterized in that the XY moving platform (6) comprises two ball screw (40) devices which are mutually perpendicular in the horizontal direction, the sliding part of the ball screw (40) device is a sliding plate, the upper ball screw (40) device is arranged on the sliding plate of the lower ball screw (40) device, and the rotary leveling mechanism (1) is arranged on the sliding plate of the upper ball screw (40) device.
3. The vertical universal electrochemical resistance trimming machine according to claim 1, wherein the strain gauge mounting plate (18) is a two-layer plate, the two-layer plate is connected by a plurality of bolts, the plurality of bolts are uniformly distributed on the edge of the plate, and the mounting direction of the bolts is perpendicular to the surface of the plate.
4. The vertical universal electrochemical resistance trimming machine according to claim 1, wherein a wiping head (11) is arranged between the resistance trimming head (10) and the resistance measuring head (12), the wiping head (11) is connected with an output end of a wiping cylinder, the wiping cylinder is connected with an output end of the linear motion mechanism (8), the wiping cylinder is positioned below the linear motion mechanism (8), and the output direction of the wiping cylinder is vertical.
5. The vertical universal electrochemical resistance trimming machine according to claim 1, wherein four strain gauge mounting positions are uniformly distributed on the strain gauge mounting plate (18).
6. The vertical universal electrochemical resistance trimming machine according to claim 1, wherein a visual camera (22) and a display screen (4) are arranged on the upright column (23), the lens of the visual camera (22) faces the upper surface of the strain gauge mounting plate (18), and the input end of the display screen (4) is connected with the output end of the visual camera (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020926216.1U CN211980313U (en) | 2020-05-27 | 2020-05-27 | Vertical general electrochemical resistance trimming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020926216.1U CN211980313U (en) | 2020-05-27 | 2020-05-27 | Vertical general electrochemical resistance trimming machine |
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| Publication Number | Publication Date |
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| CN211980313U true CN211980313U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020926216.1U Active CN211980313U (en) | 2020-05-27 | 2020-05-27 | Vertical general electrochemical resistance trimming machine |
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| CN (1) | CN211980313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815822A (en) * | 2020-12-29 | 2021-05-18 | 中航电测仪器股份有限公司 | Automatic resistance measuring device of strain gauge and operation method |
| CN113916122A (en) * | 2021-10-15 | 2022-01-11 | 西南石油大学 | Quick automatic strain gauge device that pastes of structure safety inspection |
-
2020
- 2020-05-27 CN CN202020926216.1U patent/CN211980313U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815822A (en) * | 2020-12-29 | 2021-05-18 | 中航电测仪器股份有限公司 | Automatic resistance measuring device of strain gauge and operation method |
| CN113916122A (en) * | 2021-10-15 | 2022-01-11 | 西南石油大学 | Quick automatic strain gauge device that pastes of structure safety inspection |
| CN113916122B (en) * | 2021-10-15 | 2023-11-17 | 西南石油大学 | Quick automatic strain gauge sticking device for structural safety detection |
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