阅读说明：本技术 一种用于管片视觉识别的打标装置 (Marking device for visual identification of duct piece ) 是由 程永亮 蔡杰 张伟 汤云骏 吴春艳 钟雷辉 陈强 于 2021-04-23 设计创作，主要内容包括：本发明提供了一种用于管片视觉识别的打标装置,包括底板和设置于底板上的至少一组涂印机构,所述底板上设有与涂印机构对应的涂印口；所述涂印机构包括储墨仓、印头和竖向运动导向机构,所述储墨仓与竖向运动导向机构连接且通过竖向运动导向机构实现沿竖向运动,所述印头设置于储墨仓的下方且与储墨仓上的墨腔连通,所述涂印口设置于所述印头的正下方。本发明的打标装置可以在常规的弧形水泥管片上进行视觉标签的定位标记,以解决视觉系统由于管片自身表面特征不明显及难以识别的困扰,通过该装置在管片内表面印上黑白分明的标签,以提高视觉系统识别的准确度以及特征提取速度。(The invention provides a marking device for visual identification of a duct piece, which comprises a bottom plate and at least one group of coating and printing mechanisms arranged on the bottom plate, wherein coating and printing ports corresponding to the coating and printing mechanisms are arranged on the bottom plate; scribble seal mechanism includes ink storage tank, printer head and vertical motion guiding mechanism, the ink storage tank is connected with vertical motion guiding mechanism and realizes along vertical motion through vertical motion guiding mechanism, the printer head set up in the below of ink storage tank and with the china ink chamber intercommunication on the ink storage tank, scribble the seal mouth set up in under the printer head. The marking device can be used for positioning and marking the visual label on the conventional arc cement pipe piece so as to solve the problem that the visual system is difficult to identify due to the unobvious surface characteristics of the pipe piece, and the black and white label is printed on the inner surface of the pipe piece through the marking device so as to improve the identification accuracy and the characteristic extraction speed of the visual system.)

1. A marking device for visual identification of a duct piece is characterized by comprising a bottom plate (8) and at least one group of coating and printing mechanisms arranged on the bottom plate (8), wherein coating and printing openings (8.1) corresponding to the coating and printing mechanisms are formed in the bottom plate (8); scribble seal mechanism including storing up ink horn (3), printer head (10) and vertical motion guiding mechanism, storing up ink horn (3) and vertical motion guiding mechanism are connected and realize along vertical motion through vertical motion guiding mechanism, printer head (10) set up in the below of storing up ink horn (3) and with store up the black chamber intercommunication on the ink horn (3), scribble seal mouth (8.1) set up in under printer head (10).

2. The marking device for visual identification of a duct piece as claimed in claim 1, wherein the vertical movement guiding mechanism comprises a guiding rod (2), a guiding sleeve (5) and an elastic telescopic piece, the guiding sleeve (5) is arranged on the ink storage bin (3), the guiding sleeve (5) is movably sleeved on the guiding rod (2), the elastic telescopic piece is sleeved on the guiding rod (2), and the elastic telescopic piece is used for providing elastic force for the guiding sleeve (5).

3. Marking device for visual identification of segments according to claim 2, characterized in that said vertical movement guides are two in number, symmetrically distributed along the vertical center line of the ink reservoir (3).

4. The marking device for visual identification of a duct piece according to claim 3, wherein the marking mechanism further comprises a mounting seat (7), a through hole is formed in the mounting seat (7), the mounting seat (7) is arranged on the bottom plate (8), and the through hole of the mounting seat (7) is communicated with the marking port (8.1); the vertical guide mechanism is arranged on the mounting seat (7), and two ends of the elastic telescopic piece respectively abut against the guide sleeve (5) and the mounting seat (7); the printing head (10) is arranged right above the through hole.

5. Marking device for visual identification of a tube sheet according to claim 4, characterized in that the elastic expansion element is a spring (6).

6. Marking device for visual identification of a tube piece according to claim 1, characterized in that a pressing handle (4) is provided above the ink storage (3), and an ink injection port (3.1) communicating with the ink chamber is provided on the ink storage (3).

7. Marking device for visual identification of a tube sheet according to claim 1, characterized in that the patterns of the print heads (10) in the plurality of sets of printing means are different; the coating and printing mechanisms are arranged in three groups along the length direction of the bottom plate (8).

8. Marking device for visual identification of a tube sheet according to any of the claims 1 to 7, characterized in that the working surface of the print head (10) is convex in the shape of a circular arc, and the arc of the print head (10) is identical to the arc of the tube sheet (11).

9. Marking device for visual identification of segments according to any of claims 1 to 7, characterized in that the base plate (8) is circular arc shaped, the arc of the base plate (8) corresponding to the arc of the segment (11).

10. Marking device for visual identification of a tube sheet according to claim 9, characterized in that the upper surface of the bottom plate (8) is provided with a handle (1), and the lower surface of the bottom plate (8) is provided with a bolt hole positioning member (9).

Technical Field

The invention relates to the technical field of duct piece assembling and positioning, in particular to a marking device for duct piece visual identification.

Background

With the continuous development of subway construction technology, shield construction has become a common subway construction scheme now. The shield machine construction plays an important role in the high-speed construction of the subway, and the high automation degree of the shield machine also affects the safety, economy and construction efficiency of the whole construction project.

The assembly of shield segment generally adopts conventional manual remote control operation mode at present, and the assembly efficiency is lower, and operative employee's intensity of labour is also great simultaneously, and operational environment is more abominable. Therefore, the shield production enterprises in the mainstream at present develop intelligent shield machines, and in the segment assembling link, the segment is grabbed and spliced by everybody by using the machine vision technology at present. By adopting the technology, the existing pipe piece is required to have obvious characteristics or marks for the visual system to recognize, and the positions of the marks on the pipe pieces with the same specification and model are required to be constant, so that the visual system can accurately recognize the pipe pieces.

In view of the above, there is a need for a marking device for visual identification of a duct piece to solve the problems in the prior art.

Disclosure of Invention

The invention aims to provide a marking device for visual identification of duct pieces, and aims to solve the problems that in the process of assembling duct pieces by adopting a visual technology, obvious characteristics or marks which can be identified by a visual system are needed, and the positions of the marks on the duct pieces with the same specification and model are required to be constant, and the specific technical scheme is as follows:

a marking device for visual identification of a duct piece comprises a bottom plate and at least one group of coating and printing mechanisms arranged on the bottom plate, wherein coating and printing ports corresponding to the coating and printing mechanisms are formed in the bottom plate; scribble seal mechanism includes ink storage tank, printer head and vertical motion guiding mechanism, the ink storage tank is connected with vertical motion guiding mechanism and realizes along vertical motion through vertical motion guiding mechanism, the printer head set up in the below of ink storage tank and with the china ink chamber intercommunication on the ink storage tank, scribble the seal mouth set up in under the printer head.

Preferred among the above technical scheme, vertical motion guiding mechanism includes guide bar, uide bushing and elastic expansion piece, set up the uide bushing on the ink storage tank, the uide bushing movable sleeve is located on the guide bar, elastic expansion piece cover is located on the guide bar, elastic expansion piece is used for providing elasticity for the uide bushing.

Preferably, in the above technical solution, the number of the vertical movement guide mechanisms is two, and the two vertical movement guide mechanisms are symmetrically distributed along the vertical center line of the ink storage tank.

Preferably, in the above technical solution, the printing mechanism further comprises a mounting seat, the mounting seat is provided with a through hole and is arranged on the bottom plate, and the through hole of the mounting seat is communicated with the printing port; the vertical guide mechanism is arranged on the mounting seat, and two ends of the elastic telescopic piece respectively abut against the guide sleeve and the mounting seat; the printing head is arranged right above the through hole.

Preferably, in the above technical solution, the elastic expansion member is a spring.

Preferably, a pressing handle is arranged above the ink storage bin, and an ink injection port communicated with the ink cavity is formed in the ink storage bin.

Preferably, in the above technical scheme, the patterns of the printing heads in the multiple groups of coating and printing mechanisms are different; the coating and printing mechanisms are provided with three groups along the length direction of the bottom plate.

Preferred among the above technical scheme, the working face of printer head is bellied circular-arc, and the radian of printer head is unanimous with the radian of section of jurisdiction.

Preferably among the above technical scheme, the bottom plate is circular-arc, the radian of bottom plate is unanimous with the radian of section of jurisdiction.

Preferably in the above technical scheme, the upper surface of the bottom plate is provided with a handle, and the lower surface of the bottom plate is provided with a bolt hole positioning piece.

The technical scheme of the invention has the following beneficial effects:

the marking device can be used for positioning and marking the visual label on the conventional arc cement pipe piece so as to solve the problem that the visual system is difficult to identify due to the unobvious surface characteristics of the pipe piece, and the black and white label is printed on the inner surface of the pipe piece through the marking device so as to improve the identification accuracy and the characteristic extraction speed of the visual system.

The lower surface of the bottom plate is provided with a bolt hole positioning piece for accurately positioning and fixing the whole device, so that the position of the label on the duct piece of the same type is fixed, and conditions are provided for accurately identifying and positioning the duct piece; the vertical guide mechanism realizes accurate guide during pressing, and prevents label printing deflection caused by uneven pressing stress during label printing; the working face of the printing head is in a convex arc shape, the radian of the printing head is consistent with that of the pipe piece, and when the visual label is guaranteed to be coated and printed, the thickness of the obtained label pattern is even, so that the precision of visual identification is guaranteed.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall construction of the marking apparatus of the present invention;

FIG. 2 is a bottom view of the marking device of the present invention;

FIG. 3 is a schematic view of an application of the marking apparatus of the present invention;

the ink jet printing device comprises a handle 1, a lifting handle 2, a guide rod 3, an ink storage bin 3.1, an ink injection port 4, a pressure rod handle 5, a guide sleeve 6, a spring 7, a mounting seat 8, a bottom plate 8.1, a coating port 9, a bolt hole positioning piece 10, a printing head 11, a pipe piece 12, a first position 13 and a second position.

Detailed Description

Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example 1:

referring to fig. 1-3, a marking device for visual identification of a duct piece comprises a bottom plate 8 and at least one group of coating and printing mechanisms arranged on the bottom plate 8, wherein coating and printing openings 8.1 corresponding to the coating and printing mechanisms are arranged on the bottom plate 8; scribble seal mechanism including storing up ink silo 3, printer head 10 and vertical motion guiding mechanism, storing up ink silo 3 is connected with vertical motion guiding mechanism and realizes along vertical motion through vertical motion guiding mechanism, printer head 10 set up in storing up ink silo 3 the below and with store up the black chamber intercommunication on the ink silo 3, printer head and black chamber intercommunication can realize that the printing ink in the black chamber permeates to printer head on to the realization is scribbled the seal to section of jurisdiction 11, specifically, scribble seal mouth 8.1 set up in under printer head 10.

Referring to fig. 1, the coating mechanism further comprises a mounting seat 7, a through hole is formed in the mounting seat 7, the mounting seat 7 is arranged on the bottom plate 8, the through hole of the mounting seat 7 is communicated with a coating port 8.1, and the printing head 10 is arranged right above the through hole, namely, the printing head passes through the through hole and the coating port and then contacts with the duct piece 11; preferably, in order to allow the printing head to pass through the through-hole and the printing orifice, the circumferential dimensions of the through-hole and the printing orifice are larger than the circumferential dimensions of the printing head, i.e. to allow the printing head to pass freely through the through-hole and the printing orifice.

Referring to fig. 1 and 2, the ink reservoir in this embodiment is a rectangular parallelepiped, the ink reservoir is inserted into the through hole, and the print head is located on the bottom surface of the rectangular parallelepiped and inside the through hole.

The vertical guide mechanisms are arranged on the mounting seat 7, the number of the vertical movement guide mechanisms is two, and the two vertical movement guide mechanisms are symmetrically distributed along the vertical central line of the ink storage bin 3.

Vertical motion guiding mechanism includes guide bar 2, uide bushing 5 and elastic expansion piece, set up uide bushing 5 on the ink storage tank 3, 5 movable sleeves of uide bushing are located on guide bar 2, elastic expansion piece cover is located on the guide bar 2, elastic expansion piece is used for providing elasticity for uide bushing 5, realizes pressing down the ink storage tank resilience after promptly through elastic expansion piece, specifically, elastic expansion piece's both ends support uide bushing 5 and mount pad 7 respectively.

Preferably, the elastic expansion member is a spring 6.

The mounting seat is arranged to increase the distance between the printing head 10 and the bottom surface of the bottom plate 8, so that the phenomenon that the printing head touches the pipe piece by mistake to cause false coating in the mounting process of the marking device is prevented; the vertical guide mechanism realizes accurate guide when pressing, and prevents label printing deflection caused by uneven pressing stress when printing labels.

Preferably, a pressing handle 4 is arranged above the ink storage bin 3, the ink storage bin 3 is pressed through the pressing handle 4, and the ink storage bin 3 moves downwards along the guide rod 2 to print patterns on the tube; the ink storage bin 3 is provided with an ink injection port 3.1 communicated with the ink cavity, and ink is supplemented to the ink cavity through the ink injection port 3.1.

Preferably, the working surface of the printing head 10 is convex circular arc, the radian of the printing head 10 is consistent with that of the duct piece 11, and the thickness of the obtained label pattern is uniform when the visual label is coated and printed, so that the precision of visual identification is ensured.

The bottom plate 8 is circular-arc, the radian of bottom plate 8 is unanimous with the radian of section of jurisdiction 11, and the arc bottom plate closely laminates with curved section of jurisdiction 11 when carrying out the operation for beat the location of mark device in section of jurisdiction circumferencial direction and the support of device self.

The upper surface of bottom plate 8 is equipped with handle 1, conveniently beats the mark device and removes, is convenient for get put and beats the mark device.

Referring to fig. 2, the lower surface of the bottom plate 8 is provided with a bolt hole positioning piece 9 which is of a raised triangular structure, the bolt hole positioning piece corresponds to a concave triangle of a bolt hole on a duct piece in a male-female manner, and the bolt hole positioning piece is tightly attached to the duct piece in the working process and used for accurately positioning and fixing the whole device.

Referring to fig. 1, three groups of coating mechanisms are arranged along the length direction of a bottom plate 8, patterns of printing heads in the three groups of coating mechanisms are different, wherein the middle coating mechanism is used for coating a second position 13 in the middle of a duct piece 11, and first positions 12 on two sides of the duct piece are respectively coated by the coating mechanisms on two sides.

The marking device is made of an aluminum structure, so that the marking device is light in structure and convenient to carry and operate manually. The device can use after the section of jurisdiction production link is accomplished, when the section of jurisdiction shaping was dispatched from the factory, adopts the manual mode of taking, will beat the mark device and place on fashioned finished product section of jurisdiction, utilizes bolt hole setting element 9 on the device to beat the manual regulation location of mark device on the section of jurisdiction, after the closely laminating of triangle-shaped recess hole on bolt hole setting element 9 and the section of jurisdiction, alright carry out subsequent label and scribble the seal operation. The label printing of all the pipe pieces can be finished in a flow production mode in a factory.

The technical scheme of the embodiment is specifically as follows:

referring to fig. 3, a note is printed at a second position 13 of a duct piece 11, a marking device is limited on the duct piece 11 through a bottom plate 8 and a bolt hole positioning piece 9, when the marking device cannot move left and right on the duct piece 11, the marking device is successfully limited, and the label can be printed; at the moment, the pressing handle 4 of the middle coating and printing mechanism can be manually pressed, so that clear labels can be successfully coated and printed on the duct piece; after printing is completed, the pressing handle is released, and the printing head 10 is returned under the action of the spring 6.

The coating mode of the first position 12 on the two sides of the duct piece 11 is consistent with that of the second position 13, and a corresponding printing head is selected for pattern coating; the left side of the middle printing mechanism corresponds to position one on the left side of the printing segment 11, while the right side of the middle printing mechanism corresponds to position one on the right side of the printing segment 11.

And by analogy, all required characteristic labels can be accurately printed on the duct piece for modeling calculation and identification of a vision system.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.