CN210968338U - Plate feeding detection mechanism of marble polishing machine - Google Patents
Plate feeding detection mechanism of marble polishing machine Download PDFInfo
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- CN210968338U CN210968338U CN201921655220.2U CN201921655220U CN210968338U CN 210968338 U CN210968338 U CN 210968338U CN 201921655220 U CN201921655220 U CN 201921655220U CN 210968338 U CN210968338 U CN 210968338U
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- limit switch
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- circular touch
- groove
- touch piece
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Abstract
The utility model discloses a marble polishing machine advances board and listens mechanism, including the limit switch casing, limit switch casing inside opens has the circular recess that communicates with the external world, installs the circular touch piece with the axle center pivoted in the circular recess, wherein circular touch piece and the laminating of circular recess inner wall, and circular touch piece upper end is opened has crescent groove, and circular recess inner wall fixed mounting has the limit switch contact simultaneously, and wherein the limit switch contact is located crescent groove, and circular touch piece lower extreme installs the gag lever post; the contact of current limit switch relatively is the open-type, and the contact is direct and external intercommunication, the utility model discloses circular touch piece is touching limit switch contact in-process, and the limit switch contact is isolated through circular touch piece with the external world, reduces external environment's dryness factor requirement.
Description
Technical Field
The utility model belongs to marble polishing machine limit switch field, concretely relates to mechanism is listened to marble polishing machine's board of advancing.
Background
As shown in fig. 1, the limit switch is controlled by swinging a lower limit rod 102 to touch a contact 101 of the limit switch, so as to switch on and off signals. However, this structure has the following problems: 1) compared with the existing limit switch, the contact 101 is in an open type, and the contact 101 is directly communicated with the outside, so that the defect of the mode is that the requirement on the dryness of the environment is high, and the contact 101 is easy to rust due to high moisture, so that the contact at the point is not firm, and the signal is abnormal;
2) in this way, the limiting rod 102 cannot be independently replaced after the lower end of the disposable product is worn.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model aims to provide a mechanism is listened to marble polishing machine's board that advances, circular touch piece is at touching limit switch contact in-process, and the limit switch contact is isolated through circular touch piece with the external world, reduces external environment's dryness factor requirement.
The purpose of the utility model can be realized by the following technical scheme:
mechanism is listened to advance board of marble polishing machine, including the limit switch casing, its characterized in that, limit switch casing is inside to be opened there is the circular recess with external intercommunication, installs the circular touch piece with axle center pivoted in the circular recess, and wherein circular touch piece and the laminating of circular recess inner wall.
Circular touch piece upper end is opened there is the crescent groove, and circular groove inner wall fixed mounting has the limit switch contact simultaneously, and wherein the limit switch contact is located the crescent inslot.
And a limiting rod is arranged at the lower end of the circular touch block.
Furthermore, the lower end of the round touch block is provided with a threaded hole, and a limiting rod in threaded fit is arranged in the threaded hole.
Further, it has the arc groove that resets to open on the circular touch piece, and circular inslot inner wall fixed mounting has the supporting shoe that resets, and the supporting shoe that resets is located the arc and resets inslot, and fixed mounting has reset spring on the supporting shoe that resets, and reset spring one end and arc reset groove lateral wall fixed connection.
The utility model has the advantages that:
1. compared with the existing limit switch, the contact is open, and the contact is directly communicated with the outside, the circular touch block of the utility model isolates the limit switch contact from the outside through the circular touch block in the process of touching the limit switch contact, thereby reducing the dryness requirement of the external environment;
2. the utility model discloses because have detachability between gag lever post and the circular touching piece, be convenient for change the gag lever post for the lower extreme wearing and tearing back when the gag lever post.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a conventional limit switch;
fig. 2 is a structural schematic diagram of the plate feeding detection mechanism of the marble polishing machine of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 2, the plate feeding detection mechanism of the marble polishing machine comprises a limit switch shell 1, wherein a circular groove 11 communicated with the outside is formed in the limit switch shell 1, a circular touch block 2 rotating coaxially is installed in the circular groove 11, and the circular touch block 2 is attached to the inner wall of the circular groove 11; when the circular touch block is used, the circular touch block 2 is driven by external force, and the circular touch block 2 rotates around the axis of the circular touch block.
The upper end of the circular touch block 2 is provided with a crescent groove 21, and the inner wall of the circular groove 11 is fixedly provided with a limit switch contact 3, wherein the limit switch contact 3 is positioned in the crescent groove 21; the circular touch block 2 is driven by external force, the circular touch block 2 rotates around the axis of the circular touch block, and the circular touch block 2 touches the limit switch contact 3 to achieve the on-off of signals.
Threaded hole 22 is opened to circular touch piece 2 lower extreme, wherein installs screw-thread fit's gag lever post 4 in the threaded hole 22, because be connected through screw-thread fit between gag lever post 4 and the circular touch piece 2, has detachability, when gag lever post 4 long-term use produced wearing and tearing, change gag lever post 4 that can be convenient.
An arc-shaped reset groove 221 is formed in the circular touch block 2, a reset supporting block 23 is fixedly mounted on the inner wall of the circular groove 11, the reset supporting block 23 is located in the arc-shaped reset groove 221, a reset spring 24 is fixedly mounted on the reset supporting block 23, and one end of the reset spring 24 is fixedly connected with the side wall of the arc-shaped reset groove 221; during the use, when the marble thickness of below processing surpassed the settlement scope, the marble promoted the motion of gag lever post 4, and the gag lever post 4 of motion drives circular touch piece 2 and rotates, rotates to limit switch contact 3 when circular touch piece 2, reaches the break-make of signal.
The working principle is as follows:
compared with the existing limit switch, the contact is open, and the contact is directly communicated with the outside, in the process of touching the limit switch contact 3 by the round touch block 2, the limit switch contact 3 is isolated from the outside by the round touch block 2, so that the dryness requirement of the external environment is reduced;
meanwhile, the limiting rod 4 and the circular touch block 2 are detachable, and the limiting rod 4 is convenient to replace after the limiting rod 4 is abraded by the lower end.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (3)
1. The plate feeding detection mechanism of the marble polishing machine comprises a limit switch shell (1) and is characterized in that a circular groove (11) communicated with the outside is formed in the limit switch shell (1), a circular touch block (2) rotating with the same axle center is installed in the circular groove (11), and the circular touch block (2) is attached to the inner wall of the circular groove (11);
the upper end of the circular touch block (2) is provided with a crescent groove (21), and the inner wall of the circular groove (11) is fixedly provided with a limit switch contact (3), wherein the limit switch contact (3) is positioned in the crescent groove (21);
and a limiting rod (4) is installed at the lower end of the circular touch block (2).
2. The plate feeding detection mechanism of marble polishing machine according to claim 1, wherein the lower end of the circular touch block (2) is provided with a threaded hole (22), and a limit rod (4) with a thread fit is installed in the threaded hole (22).
3. The plate feeding detection mechanism of the marble polishing machine according to claim 1, wherein the circular touch block (2) is provided with an arc-shaped reset groove (221), the inner wall of the circular groove (11) is fixedly provided with a reset support block (23), the reset support block (23) is positioned in the arc-shaped reset groove (221), the reset support block (23) is fixedly provided with a reset spring (24), and one end of the reset spring (24) is fixedly connected with the side wall of the arc-shaped reset groove (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655220.2U CN210968338U (en) | 2019-09-29 | 2019-09-29 | Plate feeding detection mechanism of marble polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655220.2U CN210968338U (en) | 2019-09-29 | 2019-09-29 | Plate feeding detection mechanism of marble polishing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210968338U true CN210968338U (en) | 2020-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921655220.2U Active CN210968338U (en) | 2019-09-29 | 2019-09-29 | Plate feeding detection mechanism of marble polishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210968338U (en) |
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2019
- 2019-09-29 CN CN201921655220.2U patent/CN210968338U/en active Active
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