CN219474518U - Measuring device for coaxiality of upper electrode and lower electrode of projection welder - Google Patents
Measuring device for coaxiality of upper electrode and lower electrode of projection welder Download PDFInfo
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- CN219474518U CN219474518U CN202223405456.5U CN202223405456U CN219474518U CN 219474518 U CN219474518 U CN 219474518U CN 202223405456 U CN202223405456 U CN 202223405456U CN 219474518 U CN219474518 U CN 219474518U
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- coaxiality
- gauge stand
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- lower electrode
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Abstract
The utility model discloses a measuring device for coaxiality of upper and lower electrodes of a projection welding machine, relates to the technical field of measuring tools, and particularly relates to a measuring device for coaxiality of upper and lower electrodes of a projection welding machine. The utility model comprises the following steps: the device comprises a device body, a rotary gauge stand, a gauge stand and a dial indicator; the device body is arranged on the lower electrode mounting base and is used as a reference of the measuring device; the rotary gauge stand is arranged at the upper part of the device body; the meter frame is arranged on the upper end surface of the rotary meter seat; the dial indicator is arranged on the meter frame, and the measuring needle of the dial indicator is contacted with the outer circle surface of the upper electrode; the dial indicator rotates along with the dial indicator frame under the drive of the rotary dial indicator seat, coaxiality of the upper electrode and the lower electrode is measured, and the position of the upper electrode mounting base is adjusted. The technical scheme of the utility model solves the problems that the structure of the projection welding machine in the prior art can not realize measurement adjustment of the gauge and the coaxiality of the upper electrode and the lower electrode is required to be judged and adjusted manually by experience.
Description
Technical Field
The utility model discloses a measuring device for coaxiality of upper and lower electrodes of a projection welding machine, relates to the technical field of gauge tools, and particularly relates to a measuring device for coaxiality of upper and lower electrodes of a projection welding machine.
Background
When the upper electrode and the lower electrode of the existing projection welding machine are adjusted each time, the upper electrode and the lower electrode are firstly arranged in the mounting hole of the base respectively, the equipment starting key is pressed, after the upper electrode descends along with the action of the cylinder of the base and is pressed with the lower electrode, the surface of the lower electrode is provided with an indentation, the position of the upper electrode base is repeatedly adjusted for multiple times according to the position of the indentation, the coaxiality of the upper electrode and the lower electrode is judged according to experience, and no visual numerical value is difficult to guarantee according to the accuracy.
The structure of the existing projection welding machine is also a factor causing inconvenient adjustment:
1. the existing upper electrode mounting base and the existing lower electrode mounting base are made of brass, so that the magnetometer cannot be adsorbed, the detection standard of the coaxiality of the upper electrode and the lower electrode cannot be determined by using the magnetometer, and the coaxiality cannot be detected by using the detection tool;
2. the lower electrode mounting base is a large tetragonal base, and the front and rear and left and right positions of the lower electrode mounting base cannot be adjusted after the fixed position of the projection welding machine equipment is mounted;
3. the upper electrode mounting base moves along the front and back positions and the left and right positions of the sliding groove after only loosening four fixing bolts;
4. the upper and lower electrode mounting bases are not rotatable.
The fixture cannot be mounted due to the inconvenience factors, and coaxiality is detected.
Aiming at the problems in the prior art, the novel measuring device for the coaxiality of the upper electrode and the lower electrode of the projection welding machine is researched and designed, so that the problems in the prior art are overcome.
Disclosure of Invention
According to the structure of the projection welding machine provided by the prior art, the technical problem that the coaxiality of the upper electrode and the lower electrode of the projection welding machine is required to be adjusted by manual judgment and experience is caused by incapability of realizing measurement adjustment of the gauge, and the measuring device for the coaxiality of the upper electrode and the lower electrode of the projection welding machine is provided. The utility model mainly uses the device body assembled in the reference hole of the lower electrode as the reference of the gauge, thereby realizing the installation of the gauge, and achieving the purposes of quick measurement and adjustment through the detection of the coaxiality of the upper electrode and the lower electrode by the gauge.
The utility model adopts the following technical means:
a measuring device for coaxiality of upper and lower electrodes of a projection welding machine comprises: the device comprises a device body, a rotary gauge stand, a gauge stand and a dial indicator;
further, the device body is arranged on the lower electrode mounting base and serves as a reference of the measuring device;
further, the rotary gauge stand is arranged at the upper part of the device body;
further, the watch stand is arranged on the rotary watch seat;
further, the dial indicator is arranged on the meter frame, and the measuring needle of the dial indicator is contacted with the outer circle surface of the upper electrode;
further, the dial indicator rotates along with the dial indicator frame under the drive of the rotary dial indicator seat, coaxiality of the upper electrode and the lower electrode is measured, and the position of the upper electrode mounting base is adjusted.
Further, the lower part of the device body is processed into a conical structure matched with the conical surface of the lower electrode mounting reference hole, and after the device body is mounted in the lower electrode mounting reference hole, the device body can be tightly combined with the conical surface of the lower electrode mounting reference hole and is automatically centered.
Further, the rotary gauge stand includes: gauge stand and bearing;
furthermore, the bearing adopts a high-precision bearing, the inner ring of the bearing is in interference fit connection with the upper end of the device body, and the outer ring of the bearing is in interference fit connection with the inner hole at the lower end of the gauge stand.
Further, the meter frame is a magnetic meter frame and is adsorbed on the upper end face of the meter seat through magnetic force.
Further, an upper clamp spring is arranged on an outer circle clamp spring groove at the upper part of the device body, and is tightly attached to the upper end face of the bearing, so that the upward axial movement of the bearing is limited;
further, a lower clamp spring is arranged on the clamp spring groove of the inner hole of the gauge stand, and the lower clamp spring is tightly attached to the lower end face of the bearing to limit the upward axial movement of the gauge stand.
The principle of the utility model is as follows:
the conical surface part at the lower end of the device body is arranged in the conical hole of the lower electrode installation base, the central line of the device is overlapped with the central line of the lower electrode installation reference conical hole by utilizing the tight fit of the conical surfaces, the automatic centering is realized, the rotatable gauge stand at the upper end of the device is used for rotating the magnetic gauge stand adsorbed on the upper end surface of the gauge stand and the dial gauge arranged on the gauge stand, whether the upper electrode and the lower electrode (the installation reference hole) are positioned on the same central line or not can be detected by the rotated dial gauge, the deviation value of the coaxiality is judged according to the swinging size range of the dial gauge needle, the position of the upper electrode installation base is further adjusted, the central line of the upper electrode and the central line of the lower electrode installation reference conical hole are overlapped, and the coaxiality reaches a good state.
Compared with the prior art, the utility model has the following advantages:
1. according to the measuring device for the coaxiality of the upper electrode and the lower electrode of the projection welding machine, the device body is arranged on the lower electrode mounting base and is used as the mounting reference of the measuring device, so that the problem that the upper electrode and the lower electrode are made of brass and cannot be adsorbed to a detecting tool is solved;
2. according to the measuring device for the coaxiality of the upper electrode and the lower electrode of the projection welding machine, provided by the utility model, the axial movement of the bearing and the gauge stand is limited by installing the upper clamp spring and the lower clamp spring, so that the measuring accuracy is ensured, and the measuring precision is ensured;
3. according to the measuring device for the coaxiality of the upper electrode and the lower electrode of the projection welding machine, the dial indicator is driven to rotate through the rotatable indicator seat, the difference value of the coaxiality of the upper electrode and the lower electrode can be intuitively embodied according to the difference value displayed by the dial indicator, the coaxiality can be accurately and rapidly adjusted, the operation is simple, and the accuracy is accurate.
In conclusion, the technical scheme of the utility model solves the problem that the structure of the projection welding machine in the prior art can not realize the measurement adjustment of the gauge, and the coaxiality of the upper electrode and the lower electrode is required to be adjusted manually by experience judgment.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. the device comprises an upper electrode 2, a dial indicator 3, a meter frame 4, a meter seat 5, a bearing 6, a device body 7, a lower electrode mounting base 8, an upper clamp spring 10 and a lower clamp spring of a lower electrode 9.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
As shown in FIG. 1, the utility model provides a measuring device for coaxiality of upper and lower electrodes of a projection welding machine, which comprises: the device comprises a device body 6, a rotary gauge stand, a gauge stand 3 and a dial indicator 2; the device body 6 is arranged on the lower electrode mounting base 7 and serves as a reference of the measuring device; the rotary gauge stand is arranged on the upper part of the device body 6; the meter frame 3 is arranged on the rotary meter seat; the dial indicator 2 is arranged on the indicator frame 3, and a measuring needle of the dial indicator contacts with the outer circle surface of the upper electrode 1; the dial indicator 2 rotates along with the dial indicator frame 3 under the drive of the rotary dial indicator seat, coaxiality of the upper electrode and the lower electrode is measured, and the position of the upper electrode mounting base is adjusted.
The lower part of the device body 6 is processed into a conical structure matched with the conical surface of the lower electrode mounting reference hole, and after the device body 6 is mounted in the lower electrode mounting reference hole, the device body can be tightly combined with the conical surface of the lower electrode mounting reference hole and is automatically centered.
The rotary gauge stand includes: gauge stand 4 and bearing 5; the bearing 5 is a high-precision bearing, the inner ring of the bearing is in interference fit connection with the upper end of the device body 6, and the outer ring of the bearing is in interference fit connection with the inner hole at the lower end of the gauge stand 4.
The meter frame 3 is a magnetic meter frame and is adsorbed on the upper end surface of the meter seat through magnetic force.
An upper clamping spring 9 is arranged on an outer circle clamping spring groove at the upper part of the device body 6, the upper clamping spring 9 is tightly attached to the upper end surface of the bearing 5, and the upward axial movement of the bearing is limited;
the lower clamp spring 10 is arranged on the clamp spring groove of the inner hole of the gauge stand 4, the lower clamp spring 10 is tightly attached to the lower end face of the bearing 5, and the gauge stand 4 is limited to move upwards and axially.
The method comprises the steps of installing the cone part at the lower end of a device body 6 in an installation cone hole on a lower electrode base 7 and compacting the cone part, enabling a lower end face cone surface to be tightly matched with a lower electrode installation reference hole cone surface, ensuring that the device body 6 and the lower electrode reference hole are on the same central line, adsorbing a magnetic meter frame 3 on the upper end face of a meter seat 4 at the top end of the device body 6, installing a dial indicator 2 on the magnetic meter frame 3, adjusting the positions of the dial indicator frame 3 and the dial indicator 2, enabling a measuring needle of the dial indicator 2 to be in contact with the outer circle surface (or the inner side of the upper electrode installation reference hole), slowly rotating the meter seat 4 by hands, driving the dial indicator 2 on the meter seat 4 to rotate, observing the swinging range of a pointer in the dial indicator, loosening four fixing bolts of the upper electrode installation base according to the swinging range of the pointer of the dial indicator 2, and correspondingly adjusting the position of the upper electrode installation base until the swinging range of the dial indicator 2 is within an ideal state (within 0.01-0.05), locking the four fixing bolts, taking out the device, installing the lower electrode cone 8 in the upper electrode installation hole, and achieving the coaxial quality.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model 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 scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (5)
1. A measuring device for coaxiality of upper and lower electrodes of a projection welding machine is characterized in that:
the measuring device for the coaxiality of the upper electrode and the lower electrode of the projection welding machine comprises: a device body (6), a rotary gauge stand, a gauge stand (3) and a dial indicator (2);
the device body (6) is arranged on the lower electrode mounting base (7) and is used as a reference of the measuring device;
the rotary gauge stand is arranged at the upper part of the device body (6);
the meter frame (3) is arranged on the rotary meter seat;
the dial indicator (2) is arranged on the indicator frame (3), and the measuring needle of the dial indicator is contacted with the outer circle surface of the upper electrode (1);
the dial indicator (2) rotates along with the indicator frame (3) under the drive of the rotary indicator seat, the coaxiality of the upper electrode and the lower electrode is measured, and the position of the upper electrode mounting base is adjusted.
2. The device for measuring the coaxiality of upper and lower electrodes of a projection welder according to claim 1, wherein:
the lower part of the device body (6) is processed into a conical structure matched with the conical surface of the lower electrode mounting reference hole, and after the device body (6) is mounted in the lower electrode mounting reference hole, the device body can be tightly combined with the conical surface of the lower electrode mounting reference hole and is automatically centered.
3. The device for measuring the coaxiality of upper and lower electrodes of a projection welder according to claim 1, wherein:
the rotary gauge stand includes: gauge stand (4) and bearing (5);
the bearing (5) is a high-precision bearing, the inner ring of the bearing is in interference fit connection with the upper end of the device body (6), and the outer ring of the bearing is in interference fit connection with the inner hole at the lower end of the gauge stand (4).
4. A device for measuring coaxiality of upper and lower electrodes of a projection welder according to claim 3, wherein:
the meter frame (3) is a magnetic meter frame and is adsorbed on the upper end face of the meter seat (4) through magnetic force.
5. The device for measuring the coaxiality of upper and lower electrodes of a projection welding machine according to claim 4, wherein:
an upper clamping spring (9) is arranged on an outer circle clamping spring groove at the upper part of the device body (6), the upper clamping spring (9) is tightly attached to the upper end surface of the bearing (5), and the upward axial movement of the bearing is limited;
the gauge stand (4) is characterized in that a lower clamping spring (10) is arranged on an inner hole clamping spring groove of the gauge stand (4), the lower clamping spring (10) is tightly attached to the lower end face of the bearing (5), and the gauge stand (4) is limited to move upwards and axially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223405456.5U CN219474518U (en) | 2022-12-19 | 2022-12-19 | Measuring device for coaxiality of upper electrode and lower electrode of projection welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223405456.5U CN219474518U (en) | 2022-12-19 | 2022-12-19 | Measuring device for coaxiality of upper electrode and lower electrode of projection welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219474518U true CN219474518U (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223405456.5U Active CN219474518U (en) | 2022-12-19 | 2022-12-19 | Measuring device for coaxiality of upper electrode and lower electrode of projection welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219474518U (en) |
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2022
- 2022-12-19 CN CN202223405456.5U patent/CN219474518U/en active Active
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