CN212082414U - Luminotron mounting structure for photoelectric encoder - Google Patents
Luminotron mounting structure for photoelectric encoder Download PDFInfo
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- CN212082414U CN212082414U CN202021093932.2U CN202021093932U CN212082414U CN 212082414 U CN212082414 U CN 212082414U CN 202021093932 U CN202021093932 U CN 202021093932U CN 212082414 U CN212082414 U CN 212082414U
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- lead frame
- frame assembly
- circular pit
- encoder
- emitting tube
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Abstract
A light emitting tube mounting structure for a photoelectric encoder comprises an integrated support, wherein a circular pit is formed in the middle of the upper surface of the integrated support, a lead frame assembly is injected into the circular pit, the lead frame assembly is bent into an L-shaped structure, one end of the lead frame assembly is located in the circular pit and is fixedly crystallized with a point light source, an optical lens is mounted on the upper portion of the point light source, the appearance structure of the optical lens is matched with the circular pit, the optical lens is completely mounted inside the circular pit, and a static grating is mounted on the top surface of the circular pit in a matched mode; and the bent part of the other end of the lead frame assembly after being bent is attached to the front end face of the integrated support to form a pin. The manufacturing process is simplified, the production efficiency is improved, the universality of the light-emitting tube is enlarged, the intensity of the light source is enhanced, and convenience is provided for the production of the encoder.
Description
Technical Field
The utility model belongs to the technical field of encoder part technique and specifically relates to a luminotron mounting structure for photoelectric encoder.
Background
The photoelectric encoder is a sensor which irradiates a photoelectric receiving chip through light, generates an analog electric signal, is processed into square waves through a circuit, generates different pulses or digital values through a code wheel, and is mainly applied to various automatic devices such as textile machinery, elevators, numerical control machines, servo motors and the like.
In the encoder in the prior art, the parallelism of the used light source is poor, and basically, the parallelism is larger than 9 degrees, and some light sources are even diverged to about 15 degrees; moreover, the light spot is small, and the receiving chip cannot be completely covered, so that the signal intensity is weak, and the frequency response of the encoder is low. The static grating is adhered to the main body, a groove for installing the light-emitting tube is cut on the main body, so that the processing cost is increased, the assembly type light-emitting tube consumes too much labor, the production efficiency is not high, and the precision is not the highest.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides the light emitting tube mounting structure for the photoelectric encoder, so that the photoelectric encoder in the prior art can be adapted to meet the use requirements, and the photoelectric encoder is convenient to mount, high in production efficiency and high in use precision.
The utility model discloses the technical scheme who adopts as follows:
a light emitting tube mounting structure for a photoelectric encoder comprises an integrated support, wherein a circular pit is formed in the middle of the upper surface of the integrated support, a lead frame assembly is injected into the circular pit, the lead frame assembly is bent into an L-shaped structure, one end of the lead frame assembly is located in the circular pit and is fixedly crystallized with a point light source, an optical lens is mounted on the upper portion of the point light source, the appearance structure of the optical lens is matched with the circular pit, the optical lens is completely mounted inside the circular pit, and a static grating is mounted on the top surface of the circular pit in a matched mode;
the other end of the lead frame assembly is attached to the front end face of the integrated support through a bent part after being bent, so that a pin is formed;
the integrated bracket and the lead frame assembly are molded into a whole by injection.
The further technical scheme is as follows:
the section of the integrated bracket is of a convex structure.
The structure of the integrated bracket is as follows: the lead frame assembly comprises a support body, wherein spaced bulges are arranged on the upper edge of the front end face of the support body, a bayonet penetrating through the lead frame assembly is formed between every two adjacent bulges to protect pins from being deformed and damaged, reinforcing ribs are arranged at two ends of the support body, and mounting holes are formed at two ends of the support body; the bottom of support body is provided with the recess of symmetry, the bottom of support body corresponds circular pit position department and opens and has a plurality of louvres.
The lead frame assembly has the structure that: the LED lamp comprises a first lead and a second lead which are arranged at intervals, wherein the first lead and the second lead are both in right-angle structures, a right-angle edge and a point light source are used for fixing crystals, the other right-angle edge is led out to form a pin, and a connecting part is further extended from the bottom of the first lead.
The integrated bracket is made of plastic.
The integrated support and the lead frame assembly are both formed by one-time injection molding.
The static grating is adhered to the upper surface of the integrated bracket.
The optical lens is adhered to the integrated bracket.
The utility model has the advantages as follows:
the utility model discloses compact structure, reasonable, convenient operation through the unique design of integral type support, with pointolite, optical lens and the cooperation equipment of lead frame subassembly, equipment convenient and fast, the processing cost is low, efficient.
Integral type support adopt the plastics support preparation, integral type support and lead frame subassembly are all once only injection moulding, positive negative pole pin shaping of bending has simplified luminotron preparation technology greatly.
Pointolite pass through optical lens, assemble twice, shorten optical lens and photocell distance within a definite time, optical lens adopts the design of curved surface, optical lens's mounting means has guaranteed that the pointolite shines optical lens's straightness that hangs down to improved the depth of parallelism of light, the emission angle of light is less than 2, the facula is also less, effectively improves the area that shines of luminotron to photocell, improves original signal quality. The high-pulse encoder is convenient to debug, the static grating is directly adhered to the integrated support, the mounting process is simplified, the debugging is convenient, the processing cost of the main body is saved, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an installation schematic diagram of the static grating of the present invention.
Fig. 3 is an exploded view of the present invention.
Fig. 4 is a schematic structural view of the integrated bracket of the present invention.
Fig. 5 is a schematic structural view of another view angle of the integrated bracket of the present invention.
Fig. 6 is a schematic structural view of the lead frame assembly of the present invention.
Wherein: 1. static grating; 2. an integral bracket; 3. a lead frame assembly; 4. an optical lens;
201. a stent body; 202. a circular pit; 203. a protrusion; 204. a bayonet; 206. mounting holes; 207. reinforcing ribs; 208. a groove; 209. heat dissipation holes;
301. a first lead; 302. a second lead; 303. a connecting portion.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, 2, 3, 4 and 5, the light emitting tube mounting structure for a photoelectric encoder of the present embodiment includes an integrated bracket 2, a circular pit 202 is disposed in the middle of the upper surface of the integrated bracket 2, a lead frame assembly 3 is injected into the circular pit 202, the lead frame assembly 3 is bent into an "L" shape, one end of the lead frame assembly 3 is located in the circular pit 202, and a point light source is fixed and crystallized therein, an optical lens 4 is mounted on the upper portion of the point light source, the shape structure of the optical lens 4 is matched with the circular pit 202, the optical lens 4 is completely mounted inside the circular pit 202, and a static grating 1 is mounted on the top surface of the circular pit 202;
the bent part of the other end of the lead frame assembly 3 after being bent is attached to the front end face of the integrated support 2 to form a pin;
the integrated bracket 2 and the lead frame assembly 3 are integrally injection-molded.
The section of the integrated bracket 2 is in a convex structure.
The structure of the integrated bracket 2 is as follows: the lead frame assembly comprises a support body 201, wherein spaced protrusions 203 are arranged on the upper edge of the front end face of the support body 201, a bayonet 204 penetrating through a lead frame assembly 3 is formed between every two adjacent protrusions 203, so that pins are protected from being deformed and damaged, reinforcing ribs 207 are arranged at two ends of the support body 201, and mounting holes 206 are formed at two ends of the support body 201; the bottom of the bracket body 201 is provided with symmetrical grooves 208, and the bottom of the bracket body 201 is provided with a plurality of heat dissipation holes 209 corresponding to the positions of the circular pits 202.
The lead frame assembly 3 has the structure: including first lead wire 301 and the second lead wire 302 that the interval set up, first lead wire 301 and second lead wire 302 all become the right angle shape structure, and a right angle limit carries out solid brilliant with the pointolite, and another right angle limit is drawn forth for the pin, and the bottom of first lead wire 301 still extends there is connecting portion 303.
The integrated bracket 2 is made of plastic.
The integrated bracket 2 and the lead frame assembly 3 are both formed by one-time injection molding.
The static grating 1 is adhered to the upper surface of the integrated bracket 2.
The optical lens 4 is adhered to the integrated holder 2. The installation is convenient.
The quiet grating 1 of the utility model is used for encoder debugging signals.
In the actual processing process, preparing a plastic integrated bracket 2, a lead frame assembly 3, a point light source and an optical lens 4, wherein the integrated bracket 2 and the lead frame assembly 3 are formed by one-time injection molding, after the forming, the point light source is bound on the lead frame assembly 3 and is fixed by sealing glue, then two positive and negative pins are led out, and bending die forming is carried out; the optical lens 4 is arranged above the point light source and fixed by glue; the static grating 1 can be attached to the integrated support 2, the assembly is convenient and rapid, the manufacturing process of the light-emitting tube is improved, the production efficiency is improved, the universality of the light-emitting tube is enlarged, the intensity of a light source is enhanced, and convenience is provided for the production of the encoder.
The Die bonding of the present invention is also called Die Bond or Die bonding. And die bonding, namely bonding the wafer on a designated area of the bracket through a colloid to form a thermal path or an electric path and provide conditions for subsequent routing connection.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (8)
1. A light emitting tube mounting structure for a photoelectric encoder is characterized in that: the LED lamp holder is characterized by comprising an integrated support (2), wherein a circular pit (202) is formed in the middle of the upper surface of the integrated support (2), a lead frame assembly (3) is injected in the circular pit (202), the lead frame assembly (3) is bent into an L-shaped structure, one end of the lead frame assembly (3) is located in the circular pit (202), a point light source is fixedly crystallized at the position of the circular pit, an optical lens (4) is installed on the upper portion of the point light source, the appearance structure of the optical lens (4) is matched with the circular pit (202), the optical lens (4) is completely installed in the circular pit (202), and a static grating (1) is installed on the top surface of the circular pit (202) in a matched mode; the other end of the lead frame assembly (3) is attached to the front end face of the integrated support (2) through a bent part after being bent to form a pin;
the integrated bracket (2) and the lead frame component (3) are molded into a whole by injection.
2. A light-emitting tube mounting structure for an optoelectric encoder as defined in claim 1, wherein: the section of the integrated bracket (2) is of a convex structure.
3. A light-emitting tube mounting structure for an optoelectric encoder as defined in claim 1, wherein: the structure of the integrated bracket (2) is as follows: the lead frame comprises a support body (201), wherein spaced protrusions (203) are arranged on the upper edge of the front end face of the support body (201), a bayonet (204) penetrating through a lead frame assembly (3) is formed between every two adjacent protrusions (203), so that pins are protected from being deformed and damaged, reinforcing ribs (207) are arranged at two ends of the support body (201), and mounting holes (206) are formed at two ends of the support body (201); the bottom of support body (201) is provided with symmetrical recess (208), the bottom of support body (201) and correspond circular pit (202) position department and open and have a plurality of louvres (209).
4. A light-emitting tube mounting structure for an optoelectric encoder as defined in claim 1, wherein: the structure of the lead frame assembly (3) is as follows: first lead wire (301) and second lead wire (302) including the interval setting, first lead wire (301) and second lead wire (302) all become the right angle shape structure, and a right angle limit carries out solid brilliant with the pointolite, and another right angle limit is drawn forth for the pin, and the bottom of first lead wire (301) still extends there is connecting portion (303).
5. A light-emitting tube mounting structure for an optoelectric encoder as defined in claim 1, wherein: the integrated support (2) is made of plastic.
6. A light-emitting tube mounting structure for an optoelectric encoder as defined in claim 1, wherein: the integrated support (2) and the lead frame assembly (3) are both formed by one-time injection molding.
7. A light-emitting tube mounting structure for an optoelectric encoder as defined in claim 1, wherein: the static grating (1) is adhered to the upper surface of the integrated bracket (2).
8. A light-emitting tube mounting structure for an optoelectric encoder as defined in claim 1, wherein: the optical lens (4) is adhered to the integrated bracket (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020202508141 | 2020-03-03 | ||
| CN202020250814 | 2020-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212082414U true CN212082414U (en) | 2020-12-04 |
Family
ID=73557209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021093932.2U Active CN212082414U (en) | 2020-03-03 | 2020-06-12 | Luminotron mounting structure for photoelectric encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212082414U (en) |
-
2020
- 2020-06-12 CN CN202021093932.2U patent/CN212082414U/en active Active
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