CN211029249U

CN211029249U - Anticollision electrode centering device

Info

Publication number: CN211029249U
Application number: CN201922100651.9U
Authority: CN
Inventors: 王作凯
Original assignee: Dongguan Tejing Precision Fixture Co ltd
Current assignee: Dongguan Tejing Precision Fixture Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-17
Anticipated expiration: 2029-11-29

Abstract

An anti-collision electrode centralizer comprising: the electrode pin comprises a main body (1), a surface cover (2) and two electrode pins (3) which can move relative to the main body, wherein the surface cover (2) is fixed at the upper end of the main body (1) and is contacted with the upper ends of the electrode pins (3), the electrode pins (3) extend to the lower part of the main body (1) from the inside of the main body (1), and the two electrode pins (3) are opposite to each other; the electrode centralizer further includes: the air cushion (4), the air cushion (4) is embedded in the bottom surface of the main body (1) and protrudes from the bottom surface of the main body (1). The electrode center device can play a role in buffering the acting force of pressing down workers in the detection process, avoids damage to the main body caused by violent collision, and ensures that the detection precision meets the requirement.

Description

Anticollision electrode centering device

Technical Field

The utility model relates to an electrode centralizer especially relates to an electrode centralizer of anticollision.

Background

The electrode center device is also called as an electrode edge finder and is mainly used for finding the center of various machine tools during machining, and the working principle is as follows: the two electrode pins of the electrode center are respectively contacted with two opposite edges of the workpiece to obtain the positions of the two electrode pins, the origin of an X axis is determined according to the central positions of the electrode pins, and then the origin of a Y axis is found out according to the same method, so that the machining center of the workpiece on an XY plane is determined.

However, in order to ensure that the two electrode pins are equal in height during the detection process, a worker usually presses and adheres the main body of the electrode center to the workpiece, and if the force used during the pressing process is too large, the main body of the electrode center is damaged by collision, which affects the detection accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model discloses technical scheme is to above-mentioned condition, provides an electrode centralizer of anticollision for solving above-mentioned problem, electrode centralizer includes: the electrode pin comprises a main body, a face cover and two electrode pins, wherein the two electrode pins can move relative to the main body, the face cover is fixed at the upper end of the main body and is in contact with the upper ends of the electrode pins, the electrode pins extend from the inside of the main body to the lower part of the main body, and the two electrode pins are opposite to each other; the electrode centralizer further comprises: an air cushion embedded in and protruding from a bottom surface of the main body.

Further, the middle part of main part has the spout, the upper end of main part has a face lid groove, the spout with face lid groove intercommunication, the diapire of spout has the bar guiding hole, the face lid inlays in the face lid groove, the electrode pin is followed the spout passes the bar guiding hole extends to the below of main part.

Further, the bottom wall of the face cover groove has a screw groove, the face cover has a screw hole, the screw hole is aligned with the screw groove, the electrode center further includes: a face cover screw passing through the screw hole and engaged with the screw groove.

Further, the face cover is provided with two strip-shaped through holes which are respectively aligned with the two strip-shaped guide holes.

Further, the bottom surface of the main body has an air cushion groove, and the top wall of the air cushion groove has a positioning hole, and the air cushion includes: the positioning column protrudes from the top surface of the gasket, the gasket is embedded in the air cushion groove and protrudes from the bottom surface of the main body, and the positioning column is inserted into the positioning hole.

Further, the bottom wall of the sliding chute is provided with a rotating shaft hole, and two opposite side walls of the sliding chute are provided with supporting holes; the electrode centralizer further comprises: the gear is positioned in the sliding groove, and the rotating shaft is in rotating connection with the gear and is inserted into the rotating shaft hole; the electrode pin includes: sawtooth rack, bracing piece, spring, riser and round pin body, the sawtooth rack of two electrode pins is parallel to each other, the sawtooth rack is located in the spout and with gear engagement, the sawtooth rack is the ducted body, the one end of bracing piece is inserted in the holding hole, the other end inserts in the sawtooth rack, the spring encircle in the other end of bracing piece, and the one end of spring with the inner wall butt of sawtooth rack, the other end with the inner wall butt of spout, the upper end of riser with the sawtooth rack forms fixedly, the round pin body is fixed the lower extreme of riser, the round pin body of two electrode pins is just right each other.

Further, the electrode center further comprises: the two rubber plugs are respectively positioned in the two supporting holes, the rubber plugs are contacted with one end of the supporting rod, and the supporting rod is positioned closer to the sliding groove than the rubber plugs.

After the technical scheme is adopted, the utility model discloses an effect is: the electrode center device with the structure can play a role in buffering the acting force of pressing down a worker in the detection process, avoid the damage of a main body caused by violent collision and ensure that the detection precision meets the requirement.

Drawings

Fig. 1 is a schematic view of an electrode center according to the present invention;

fig. 2 is another schematic view of the electrode center according to the present invention;

fig. 3 is a schematic view of a main body according to the present invention;

fig. 4 is another schematic view of the main body according to the present invention;

fig. 5 is a schematic view of a cover plate according to the present invention;

fig. 6 is a schematic view of an air cushion according to the present invention;

fig. 7 is an internal view of the main body according to the present invention.

Detailed Description

It is specifically noted that the terms "first", "second" and "third" in the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indicator is changed accordingly.

The technical solution of the present invention is further described below by way of examples:

the utility model provides an electrode center ware of anticollision, as shown in figure 1, electrode center ware includes: the electrode pin comprises a main body 1, a surface cover 2 and two electrode pins 3 which can move relative to the main body, wherein the surface cover 2 is fixed at the upper end of the main body 1 and is contacted with the upper ends of the electrode pins 3, the electrode pins 3 extend from the inside of the main body 1 to the lower part of the main body 1, and the two electrode pins 3 are opposite to each other. When the electrode center device works, the two electrode pins 3 are respectively contacted with two opposite edges of the workpiece, the origin of an X axis is determined according to the central positions of the two electrode pins 3, and then the origin of a Y axis is found out by the same method, so that the machining center of the workpiece on an XY plane is determined. In the present invention, as shown in fig. 2, the electrode center device further includes: an air cushion 4, the air cushion 4 is embedded in the bottom surface of the main body 1 and protrudes from the bottom surface of the main body 1. In the process that the worker pushes down the electrode center device, the air cushion 4 can play a role in buffering the downward pushing acting force, and the damage to the main body 1 caused by violent collision is avoided.

Specifically, as shown in fig. 3, the main body 1 has a slide groove 11 in the middle, the main body 1 has a face cover groove 12 at the upper end, the slide groove 11 communicates with the face cover groove 12, the bottom wall of the slide groove 11 has a strip-shaped guide hole 13, the face cover 2 is embedded in the face cover groove 12, and the electrode pin 3 extends from the slide groove 11 to the lower side of the main body 1 through the strip-shaped guide hole 13. The strip-shaped guide hole 13 can guide the moving direction of the electrode pin 3 to prevent the electrode pin from shaking.

More specifically, as shown in fig. 3 and 5, the bottom wall of the face cover groove 12 has a screw groove 14, the face cover 2 has a screw hole 21, and the screw hole 21 is aligned with the screw groove 14, and the electrode centering device further includes: and a face cover screw 5, the face cover screw 5 passing through the screw hole 21 and engaging with the screw groove 14.

More specifically, the face cover 2 has two strip-shaped through holes 22, and the two strip-shaped through holes 22 are aligned with the two strip-shaped guide holes 13, respectively. The position of the electrode pin 3 and whether the electrode pin 3 is deflected or not can be observed through the strip-shaped through hole 22.

Specifically, as shown in fig. 4 and 6, the bottom surface of the main body 1 has an air cushion groove 15, the top wall of the air cushion groove 15 has a positioning hole 16, and the air cushion 4 includes: a gasket 41 and a positioning column 42, the positioning column 42 protrudes from the top surface of the gasket 41, the gasket 41 is embedded in the air cushion groove 15 and protrudes from the bottom surface of the main body 1, and the positioning column 42 is inserted into the positioning hole 16. The positioning columns 42 are matched with the positioning holes 16 to prevent the air cushion 4 from deflecting, so that the stability of the buffer is improved.

Specifically, as shown in fig. 3 and 7 in conjunction, the bottom wall of the slide groove 11 has a rotation shaft hole 17, and both of the opposite side walls of the slide groove 11 have support holes 18; the electrode centralizer further includes: the gear 7 and the rotating shaft 8, the gear 7 is positioned in the sliding groove 11, and the rotating shaft 8 is in rotating connection with the gear 7 and is inserted into the rotating shaft hole 17; the electrode pin 3 includes: sawtooth racks 31, a supporting rod 32, a spring 33, a vertical plate 34 and pin bodies 35, wherein the sawtooth racks 31 of the two electrode pins 3 are parallel to each other, the sawtooth racks 31 are positioned in the sliding groove 11 and are meshed with the gear 7, the sawtooth racks 31 are hollow bodies, one end of the supporting rod 32 is inserted into the supporting hole 18, the other end of the supporting rod is inserted into the sawtooth racks 31, the spring 33 surrounds the other end of the supporting rod 32, one end of the spring 33 is abutted to the inner wall of the sawtooth racks 31, the other end of the spring is abutted to the inner wall of the sliding groove 11, the upper end of the vertical plate 34 is fixed to the sawtooth racks 31, the pin bodies 35 are fixed to the lower end of the vertical plate 34. In the initial state, the spring 33 pushes the sawtooth rack 31 towards the edge position of the body 1, where the distance between the two pins 35 is the greatest, and when a check is required, the spring 33 is pressed to bring the two pins 35 closer to each other until they come into contact with the edge of the workpiece. The toothed bar 31 can move more stably by being matched with the gear 7; the support rod 32 can guide the extension and contraction of the spring 33, and prevent the spring 33 from deflecting.

More specifically, the electrode center further comprises: two plugs 6, two plugs 6 are respectively located in two support holes 18, plug 6 contacts with one end of support bar 32, and support bar 32 is located the position that is closer to spout 11 than plug 6. The rubber plug 6 can provide a positioning function for the support rod 32, and the support rod 32 is prevented from falling out of the support hole 18 due to the movement of the sawtooth racks 31.

Therefore, the electrode center device with the structure can play a role in buffering the downward pressing action force of workers in the detection process, avoid damage to the main body caused by violent collision and ensure that the detection precision meets the requirement.

The above-mentioned embodiments are merely preferred examples of the present invention, and do not limit the scope of the present invention, so all equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. An anti-collision electrode centralizer, the electrode centralizer comprising: the electrode pin comprises a main body (1), a face cover (2) and two electrode pins (3) which can move relative to the main body, wherein the face cover (2) is fixed at the upper end of the main body (1) and is in contact with the upper ends of the electrode pins (3), the electrode pins (3) extend from the inside of the main body (1) to the lower side of the main body (1), and the two electrode pins (3) are opposite to each other; the method is characterized in that: the electrode centralizer further comprises: an air cushion (4), wherein the air cushion (4) is embedded on the bottom surface of the main body (1) and protrudes from the bottom surface of the main body (1).

2. The anti-collision electrode centralizer of claim 1, wherein: the middle part of main part (1) has spout (11), the upper end of main part (1) has face lid groove (12), spout (11) with face lid groove (12) intercommunication, the diapire of spout (11) has bar guiding hole (13), face lid (2) inlay in face lid groove (12), electrode pin (3) are followed spout (11) are passed bar guiding hole (13) extend to the below of main part (1).

3. The anti-collision electrode centralizer of claim 2, wherein: the bottom wall of the face cover groove (12) has a screw groove (14), the face cover (2) has a screw hole (21), the screw hole (21) is aligned with the screw groove (14), the electrode center further comprises: a face cover screw (5), the face cover screw (5) passing through the screw hole (21) and engaging with the screw groove (14).

4. The anti-collision electrode centralizer of claim 2, wherein: the face cover (2) is provided with two strip-shaped through holes (22), and the two strip-shaped through holes (22) are respectively aligned with the two strip-shaped guide holes (13).

5. The anti-collision electrode centralizer of claim 1, wherein: the bottom surface of the main body (1) is provided with an air cushion groove (15), the top wall of the air cushion groove (15) is provided with a positioning hole (16), and the air cushion (4) comprises: a gasket (41) and a positioning post (42), the positioning post (42) protrudes from the top surface of the gasket (41), the gasket (41) is embedded in the air cushion groove (15) and protrudes from the bottom surface of the main body (1), and the positioning post (42) is inserted into the positioning hole (16).

6. The anti-collision electrode centralizer of claim 2, wherein: the bottom wall of the sliding chute (11) is provided with a rotating shaft hole (17), and two opposite side walls of the sliding chute (11) are provided with supporting holes (18); the electrode centralizer further comprises: a gear (7) and a rotating shaft (8), wherein the gear (7) is positioned in the sliding groove (11), and the rotating shaft (8) is in rotating connection with the gear (7) and is inserted into the rotating shaft hole (17); the electrode pin (3) comprises: the sawtooth racks (31), the support rods (32), the springs (33), the vertical plates (34) and the pin bodies (35), the sawtooth racks (31) of the two electrode pins (3) are parallel to each other, the toothed rack (31) is located in the slide groove (11) and meshes with the gear (7), the sawtooth rack (31) is a hollow body, one end of the supporting rod (32) is inserted into the supporting hole (18), the other end is inserted into the sawtooth strip (31), the spring (33) surrounds the other end of the supporting rod (32), one end of the spring (33) is abutted against the inner wall of the sawtooth rack (31), the other end is abutted against the inner wall of the sliding chute (11), the upper end of the vertical plate (34) is fixed with the sawtooth racks (31), the pin bodies (35) are fixed at the lower ends of the vertical plates (34), and the pin bodies (35) of the two electrode pins (3) are opposite to each other.

7. The anti-collision electrode centralizer of claim 6, wherein: the electrode centralizer further comprises: the two rubber plugs (6) are respectively positioned in the two supporting holes (18), the rubber plugs (6) are contacted with one end of the supporting rod (32), and the supporting rod (32) is positioned at a position closer to the chute (11) than the rubber plugs (6).