CN212410460U - Print wheel detection device - Google Patents
Print wheel detection device Download PDFInfo
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- CN212410460U CN212410460U CN202020913587.6U CN202020913587U CN212410460U CN 212410460 U CN212410460 U CN 212410460U CN 202020913587 U CN202020913587 U CN 202020913587U CN 212410460 U CN212410460 U CN 212410460U
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- plane mirror
- level crossing
- fixing groove
- convex lens
- print wheel
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Abstract
The utility model discloses a type wheel detection device, the on-line screen storage device comprises a base, be equipped with type wheel mount on the base, plane mirror assembly and convex lens, the plane mirror assembly includes level crossing A, level crossing B and level crossing mirror C, level crossing A locates under the type wheel mount, the contained angle is constituteed with level crossing A's mid point and level crossing wheel mount's mid point to level crossing B's mid point line and level crossing A's mid point line, the angular bisector of this contained angle is perpendicular with level crossing A, level crossing C is located same horizontal straight line with level crossing B, convex lens locates directly over level crossing C. Under the irradiation of a light source, characters on the printing wheel are reflected by the plane mirror A, the plane mirror B and the plane mirror C in sequence and amplified by the convex lens, an inspector can clearly observe the characters on the printing wheel, and the observed characters are normal rather than mirror-image characters, so that the detection accuracy is ensured, the detection efficiency is improved, and the labor intensity of the inspector is reduced.
Description
Technical Field
The utility model relates to a technical field is examined to the frock, especially relates to a type wheel detection device.
Background
With the high-speed development of national economy, the scales of industries such as the Chinese power industry, the data communication industry, the urban rail transit industry, the automobile industry, shipbuilding, home decoration and the like are continuously enlarged. These industries are not independent of information transfer and low power electrical equipment, and thus electric wires and cables for electrical installation lines and control signals are widely used. Due to different use environments, requirements for electric wires and cables for electric installation wires and control signals are diversified, and the models and voltage grades of the cables are more and more. Generally, when a constructor is in construction, the constructor observes the printing on the surface of the cable to determine the type, the voltage grade and the specification of the cable. And when in production, the type, the voltage grade and the specification of the surface of the cable are printed according to the wire core. If the model, voltage grade and specification which are not in accordance with the actual wire core are printed on the surface of the wire core when the wire core is printed, serious consequences can be caused.
Generally, a printing wheel is adopted when printing is carried out on the wire core of the electric wire and the cable for electric installation wires and control signals, mirror images are engraved on the surface of the printing wheel, and the mirror images are printed on the surface of the cable after ink is applied. The print wheel is visually inspected prior to use. This inevitably results in the use of a wrong print wheel due to visual fatigue or careless observation, and also in inefficient detection.
For example, chinese patent document CN208766683U discloses "a print wheel detection apparatus", including: the printing wheel support is used for placing a printing wheel to be detected; the plane mirror is arranged in front of the print wheel bracket and is used for imaging characters in the print wheel; the camera shooting mechanism is used for shooting characters in the print wheel imaged in the plane mirror; the image judging system is electrically connected with the camera shooting mechanism and is used for judging whether the characters shot by the camera shooting mechanism are consistent with the standard characters. The print wheel detection device in the patent document shoots characters in a print wheel imaged in a plane mirror through a camera shooting mechanism, and then an image judgment system judges whether the characters shot by the camera shooting mechanism are consistent with standard characters, so that the detection process is too complicated, and the detection efficiency is reduced.
Disclosure of Invention
The utility model mainly solves the technical problem of low detection efficiency of the prior print wheel detection device; a character on a print wheel is irradiated by a light source and is reflected by a plane mirror A, a plane mirror B and a plane mirror C in sequence and amplified by a convex lens, so that an inspector can clearly observe the character on the print wheel, the character style of the observed character is normal rather than a mirror image character, and the detection efficiency is improved.
The above technical problem of the present invention can be solved by the following technical solutions: the utility model discloses a base, be equipped with type wheel mount, plane mirror assembly and convex lens on the base, the plane mirror assembly includes level crossing A, level crossing B and level crossing C, level crossing A locates under the type wheel mount, the contained angle is constituteed with level crossing A's mid point and the mid point of type wheel mount to level crossing B's mid point and level crossing A's mid point line to level crossing B's mid point line, the angular bisector of contained angle is perpendicular with level crossing A, level crossing C is located same level straight line with level crossing B, convex lens locates directly over level crossing C.
The printing wheel is fixedly arranged on the printing wheel fixing frame, characters on the printing wheel are irradiated by the light source and sequentially reflected by the plane mirror A, the plane mirror B and the plane mirror C and amplified by the convex lens, so that inspectors can clearly observe the characters on the printing wheel, and the characters observed are normal rather than mirror-image characters, thereby ensuring the accuracy of detection, improving the efficiency of detection and reducing the labor intensity of the inspectors.
Preferably, a shielding plate is arranged on the outer side of the print wheel fixing frame, an opening is formed in the position, opposite to the plane mirror A, of the shielding plate, and the width of the opening is equal to the projection width of the plane mirror A on the horizontal plane.
The shielding plate is arranged on the outer side of the print wheel fixing frame, so that the plane mirror A can only reflect fonts at the print wheel position corresponding to the opening of the shielding plate right above, and the situation that the plane mirror A reflects the fonts at multiple positions of the print wheel under the irradiation of light sources in other directions is prevented, and the detection accuracy is reduced.
Preferably, the base is provided with a plane mirror fixing groove A, a plane mirror fixing groove B, a plane mirror fixing groove C and a convex lens fixing groove, the plane mirror A is fixedly installed in the plane mirror fixing groove A, the plane mirror B is fixedly installed in the plane mirror fixing groove B, the plane mirror C is fixedly installed in the plane mirror fixing groove C, and the convex lens is fixedly installed in the convex lens fixing groove.
Preferably, level crossing fixed slot A, level crossing fixed slot B, level crossing fixed slot C and convex lens fixed slot structure each other the same, level crossing fixed slot A includes the cell body, be equipped with the clamp plate in the cell body, the lateral part of cell body is equipped with the through-hole, a side end of clamp plate and the one end fixed connection of bolt, the other end of bolt passes through-hole and nut threaded connection.
The two ends of the plane mirror A are arranged in the plane mirror fixing groove A, one side of the plane mirror A is tightly attached to the side wall of the plane mirror fixing groove, the other side of the plane mirror A is tightly attached to one side end of the pressing plate, the other side end of the pressing plate is fixedly connected with one end of the bolt, the bolt penetrates through the through hole, is located on the outer side of the groove body, and is fixedly connected with the groove body through the nut, so that the pressing plate is prevented from moving back and forth along the axial direction of the bolt, and the plane mirror A. When the plane mirror A breaks, the nut is taken down from the bolt, the bolt is pulled to move towards the outer side of the groove body, so that the pressing plate is driven to move outwards, and then the plane mirror A is replaced. Because the structures of the mirror fixing groove A, the mirror fixing groove B, the mirror fixing groove C and the convex lens are the same, the mirror B, the mirror C and the convex lens can be replaced when damaged.
Preferably, the other side end of the pressure plate is provided with a rubber pad.
The rubber pad can effectively avoid taking place hard contact between clamp plate and the level crossing, prevents to cause the mirror surface damage because of factors such as vibrations in the use.
Preferably, the print wheel fixing frame comprises a rotating shaft and two threaded fasteners, the rotating shaft is rotatably connected with the base, threads are arranged on the outer surface of the rotating shaft, and the print wheel is fixedly installed on the rotating shaft through the threaded fasteners.
The threaded fastener and the screw thread of type wheel both sides realize the tight fit, fix the type wheel in the pivot, prevent among the testing process, the type wheel appears removing and leads to the accuracy of testing result to reduce. Simultaneously the pivot rotates for the bottom plate to be connected, and after one section typeface on the type wheel was accomplished and is detected, rotate the pivot and carry out the detection of another section typeface on the type wheel to accomplish the detection of whole type wheel typeface.
The utility model has the advantages that: 1) characters on the character wheel are irradiated by a light source and are reflected by the plane mirror A, the plane mirror B and the plane mirror C in sequence and amplified by the convex lens, an inspector can clearly observe the characters on the character wheel, and the characters of the observed characters are normal rather than mirror images, so that the detection accuracy is ensured, the detection efficiency is improved, and the labor intensity of the inspector is reduced; 2) the level crossing passes through level crossing fixed slot fixed mounting on the bottom plate, and convex lens passes through the convex lens fixed slot and installs on the bottom plate, can follow when the damage appears in level crossing or convex lens and trade.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the plane mirror fixing groove a of the present invention.
Fig. 3 is a schematic structural view of the print wheel fixing frame of the present invention.
In the figure, the printing wheel fixing frame comprises a base 1, a base 2, a printing wheel fixing frame 3, a shielding plate 4, a convex lens 5, a plane mirror A, a plane mirror B, a plane mirror C, a plane mirror fixing groove 8, a plane mirror fixing groove A, a plane mirror fixing groove 9, a plane mirror fixing groove B, a plane mirror fixing groove 10, a plane mirror fixing groove C, a plane mirror fixing groove 11, a convex lens fixing groove 21, a rotating shaft 22, a threaded fastener 81, a groove body 82, a bolt 83, a pressing plate 84, a nut 85 and a rubber pad.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): a print wheel detection device of this embodiment, as shown in fig. 1, includes a base 1, and a print wheel fixing frame 2, a shielding plate 3, a plane mirror assembly and a convex lens 4 are mounted on the base, where the plane mirror assembly includes a plane mirror a5, a plane mirror B6, and a plane mirror C7. In this embodiment, the plane mirror a, the plane mirror B, the plane mirror C, and the convex lens are vertically mounted on the base plate. The plane mirror A is arranged under the print wheel fixing frame, an included angle is formed by a connecting line of a midpoint of the plane mirror B and the midpoint of the plane mirror A and a connecting line of the midpoint of the plane mirror A and the midpoint of the print wheel fixing frame, an angular bisector of the included angle is perpendicular to the plane mirror A, the plane mirror C and the plane mirror B are positioned on the same horizontal straight line, and the convex lens is arranged over the plane mirror C. The included angle between the plane mirror A and the horizontal plane is 30 degrees, the included angle between the plane mirror B and the horizontal plane is 75 degrees, and the included angle between the plane mirror C and the horizontal plane is 45 degrees. The shielding plate is arranged on the periphery of the print wheel fixing frame and is arc-shaped, an opening is formed in the position, opposite to the plane mirror A, of the shielding plate, and the width of the opening is equal to the projection width of the plane mirror A on the horizontal plane. The shielding reflection circuit can not be interfered among all the components on the bottom plate.
Specifically, the plane mirror A is fixedly arranged on the base through 2 plane mirror fixing grooves A8, the 2 plane mirror fixing grooves A are fixedly arranged on the base, and two ends of the plane mirror A are fixedly arranged in the plane mirror fixing grooves A; the plane mirror B is fixedly arranged on the base through 2 plane mirror fixing grooves B9, the 2 plane mirror fixing grooves B are fixedly arranged on the base, and two ends of the plane mirror B are fixedly arranged in the plane mirror fixing grooves B; the plane mirror C is fixedly arranged on the base through 2 plane mirror fixing grooves C10, the 2 plane mirror fixing grooves C are fixedly arranged on the base, and two ends of the plane mirror C are fixedly arranged in the plane mirror fixing grooves C; convex lens passes through 11 fixed mounting of 2 convex lens fixed slots on the base, and 2 convex lens fixed slots fixed mounting are on the base, and convex lens's both ends fixed mounting is in the convex lens fixed slot.
The plane mirror fixing groove A, the plane mirror fixing groove B, the plane mirror fixing groove C and the convex lens fixing groove are identical in structure. The plane mirror fixing groove a is shown in fig. 2 and comprises a groove body 81, a through hole is formed in the side portion of the groove body, a bolt 82 penetrates through the through hole, one end of the bolt is fixedly connected with one end portion of a pressing plate 83 located in the groove body, the other end of the bolt is in threaded connection with a nut 84 located outside the groove body, and a rubber pad 85 is adhered to the other end portion of the pressing plate.
The two ends of the plane mirror A are arranged in the plane mirror fixing groove A, one side of the plane mirror A is tightly attached to the side wall of the plane mirror fixing groove, the other side of the plane mirror A is tightly attached to one side end of the pressing plate, the other side end of the pressing plate is fixedly connected with one end of the bolt, the bolt penetrates through the through hole, is located on the outer side of the groove body, and is fixedly connected with the groove body through the nut, so that the pressing plate is prevented from moving back and forth along the axial direction of the bolt, and the plane mirror A. When the plane mirror A breaks, the nut is taken down from the bolt, the bolt is pulled to move towards the outer side of the groove body, so that the pressing plate is driven to move outwards, and then the plane mirror A is replaced. Because the structures of the mirror fixing groove A, the mirror fixing groove B, the mirror fixing groove C and the convex lens are the same, the mirror B, the mirror C and the convex lens can be replaced when damaged. The rubber pad can effectively avoid taking place hard contact between clamp plate and the level crossing, prevents to cause the mirror surface damage because of factors such as vibrations in the use.
Specifically, the print wheel fixing frame is shown in fig. 3 and comprises a rotating shaft 21 and two threaded fasteners 22, wherein the rotating shaft is rotatably connected with the bottom plate, threads are turned on the rotating shaft, the print wheel is installed on the rotating shaft through a central hole, the two threaded fasteners are respectively installed on two sides of the print wheel, and the print wheel is fixedly installed on the rotating shaft.
The working principle of the embodiment is as follows: one of the threaded fasteners is in threaded connection with the rotating shaft, the print wheel is mounted on the rotating shaft, one end of the print wheel is tightly attached to the threaded fastener mounted on the rotating shaft, and the other threaded fastener is mounted at the other end of the print wheel, so that the print wheel is fixed on the rotating shaft. After the fixed installation of the print wheel is completed, the detection device is vertically placed at a position where the light source is sufficient. Under the irradiation of the light source, characters on the type wheel are reflected to the plane mirror B through the plane mirror A, are reflected to the plane mirror C through the plane mirror B, are reflected to the convex lens through the plane mirror C, the characters on the type wheel reflected by the convex lens are amplified, a checker can clearly observe the characters on the type wheel, the fonts of the observed characters are normal and non-mirror characters, the accuracy of detection is guaranteed, the efficiency of detection is improved, and the labor intensity of the checker is reduced. After one section of font on the type wheel is detected, the rotating shaft is rotated to detect the other section of font on the type wheel, so that the detection of the font on the whole type wheel is completed.
Claims (6)
1. The utility model provides a type wheel detection device, its characterized in that includes the base, be equipped with type wheel mount, plane mirror assembly and convex lens on the base, the plane mirror assembly includes level crossing A, level crossing B and level crossing C, level crossing A locates the type wheel mount under, the contained angle is constituteed with level crossing A's mid point and the mid point of type wheel mount to level crossing B's mid point and level crossing A's mid point line to level crossing B's mid point line, the angular bisector of contained angle is perpendicular with level crossing A, level crossing C is located same horizontal straight line with level crossing B, convex lens locates directly over level crossing C.
2. The print wheel detecting device according to claim 1, wherein a shielding plate is disposed outside the print wheel holder, an opening is formed at a position of the shielding plate opposite to the plane mirror a, and a width of the opening is equal to a width of a projection of the plane mirror a on a horizontal plane.
3. The print wheel detecting apparatus according to claim 1, wherein the base has a plane mirror fixing groove a, a plane mirror fixing groove B, a plane mirror fixing groove C, and a convex lens fixing groove, the plane mirror a is fixedly installed in the plane mirror fixing groove a, the plane mirror B is fixedly installed in the plane mirror fixing groove B, the plane mirror C is fixedly installed in the plane mirror fixing groove C, and the convex lens is fixedly installed in the convex lens fixing groove.
4. The print wheel detecting device according to claim 3, wherein the plane mirror fixing groove A, the plane mirror fixing groove B, the plane mirror fixing groove C and the convex lens fixing groove have the same structure, the plane mirror fixing groove A comprises a groove body, a pressing plate is arranged in the groove body, a through hole is formed in the side portion of the groove body, one side end portion of the pressing plate is fixedly connected with one end of a bolt, and the other end of the bolt is in threaded connection with a nut through the through hole.
5. The print wheel detecting apparatus according to claim 4, wherein a rubber pad is provided at the other end of the pressing plate.
6. The print wheel detecting device according to claim 1, wherein the print wheel holder includes a shaft and two threaded fasteners, the shaft is rotatably connected to the base, the outer surface of the shaft is provided with threads, and the print wheel is fixedly mounted on the shaft by the threaded fasteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020913587.6U CN212410460U (en) | 2020-05-26 | 2020-05-26 | Print wheel detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020913587.6U CN212410460U (en) | 2020-05-26 | 2020-05-26 | Print wheel detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212410460U true CN212410460U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020913587.6U Active CN212410460U (en) | 2020-05-26 | 2020-05-26 | Print wheel detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212410460U (en) |
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2020
- 2020-05-26 CN CN202020913587.6U patent/CN212410460U/en active Active
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