TWI402553B - Assembly device and method thereof - Google Patents

Description

Assembly jig and use method of the assembly jig

The invention relates to an assembly jig and a method of using the assembly jig.

As electronic products are used more and more in daily life, people are paying more and more attention to the quality of electronic products. In the assembly process of the optical prism in the projector optical machine, the positioning accuracy is high; if the optical prism is deviated during the assembly process, it will directly affect the projection imaging effect of the projector.

At present, in the assembly process of the optical prism in the optical machine, the optical prism fixing seat of the optical frame is generally placed at a level, and the operator presses the optical prism from the directly above the optical frame to the optical prism fixing seat. However, due to the unstable force of the operator, and the lens fixing hole and the micromirror fixing hole around the optical prism for assembling the optical prism, the assembly positioning surface of the optical prism cannot be found; therefore, the optical prism is pressed into the optical prism. During the process of the optical prism mount, the optical prism is easily offset, which affects the imaging effect.

In view of the above, it is necessary to provide an assembly jig for vertically assembling an optical prism into a optomechanical frame and a method of using the assembly jig.

An assembly jig for assembling an optical prism into a optomechanical frame; the assembly jig includes a base, a first stroke device, a second stroke device, and a carrier; the base includes a vertical substrate and a level substrate fixedly connected perpendicularly to the vertical substrate; the first stroke device is fixed on the vertical substrate; the second stroke device is fixed on the level substrate; the carrier is fixed on the The leveling substrate is located below the first stroke device; a bearing groove is formed on the bearing seat, and the bearing groove is used to carry the light machine frame.

A method of using the above assembly jig includes the following steps:

Providing a optomechanical frame, an optical prism, two positioning blocks and an assembly fixture;

The optomechanical frame comprises a lens fixing hole, a micromirror fixing hole and an optical prism fixing seat; the optical prism fixing seat is coated with a colloid, and the two positioning blocks are respectively arranged from the lens fixing hole and the micro mirror fixing hole in the light On the machine frame;

Positioning the optomechanical frame with the positioning block on the carrier of the assembly jig, and the two positioning blocks abut against the bearing groove;

The optical prism is placed in the frame of the light machine, and the optical prism is located on two positioning blocks;

The first stroke device and the second stroke device of the assembly jig are actuated, and the optical prism is assembled into the optical prism fixing seat to bond the optical prism with the optical frame.

Compared with the prior art, the assembly jig provided by the present invention and the use method of the assembly jig perform a limit element on the optical machine frame carried by the bearing groove through the first stroke device, and the second stroke device vertically groups the optical prism Go into the optomechanical frame to avoid offsets during assembly.

The assembly jig of the present technical solution and the use method of the assembly jig will be further described in detail below with reference to the accompanying drawings and embodiments.

As shown in FIG. 1 to FIG. 3, an assembly jig 10 for assembling the optical prism 20 into the optomechanical frame 30 is provided in an embodiment of the present invention. The assembly jig 10 includes a base 11, a first stroke device 12, a second stroke device 13, and a carrier 14.

The pedestal 11 includes a vertical substrate 111 and a leveling substrate 112 fixedly connected to the vertical substrate 111. The vertical substrate 111 and the leveling substrate 112 are rectangular parallelepiped plates, and can be made of materials such as metal and wood. .

The first stroke device 12 includes a first bracket 121, a first handle 122, a first connecting rod 123 and a first punching rod 124. The first bracket 121 is fixed to the vertical substrate 111 side, and includes a first pivot end 121a, a first fixed end 121b and a first sleeve 121c. The first pivoting end 121a and the first sleeve 121c are located at two ends of the first bracket 121, and the first sleeve 121c is located directly below the first pivoting end 121a. The first fixed end 121b is located between the first sleeve 121c and the first pivot end 121a. The first bracket 121 is fixed to the vertical substrate 111 through the first fixed end 121b. The first handle 122 includes a first hand portion 122a and a first adapter portion 122b that is approximately perpendicular to the first hand portion 122a. One end of the first connecting portion 122b connected to the first hand-held portion 122a is provided with a first connecting end 122c, and the other end of the first connecting portion 122b is provided with a first connecting end 122d; the first handle 122 is rotatably connected to the first pivot end 121a of the first bracket 121 through the first adapter end 122d. One end of the first connecting rod 123 is movably connected to the first connecting end 122c, and the other end is movably connected to the first punching rod 124. The first punching rod 124 is sleeved in the first sleeve 121c.

The second stroke device 13 includes a second bracket 131, a second handle 132, a second connecting rod 133, a second pressing rod 134 and a pressing plate 135. The second bracket 131 is fixed to the level of the leveling substrate 112, and includes a second pivoting end 131a, a second fixed end 131b and a second sleeve 131c. The second pivoting end 131a and the second sleeve 131c are located at two ends of the second bracket 131, and the second sleeve 131c is located directly below the second pivoting end 131a; the second fixed end 131b is located at the second Between the two sleeves 131c and the second pivot end 131a. The second bracket 131 is fixed to the level substrate 112 through the second fixed end 131b. The second handle 132 includes a second hand portion 132a and a second adapter portion 132b that is approximately perpendicular to the second hand portion 132a. a second connecting end 132c is disposed at one end of the second connecting portion 132b and the second connecting portion 132b, and a second connecting end 132d is disposed at the other end of the second connecting portion 132b. The second handle 132 is rotatably coupled to the second pivot end 131a of the second bracket 131 through the second adapter end 132d. One end of the second connecting rod 133 is movably connected to the second connecting end 132c, and the other end is movably connected to the second punching rod 134. The second punching rod 134 is sleeved in the second sleeve 131c.

The carrier 14 is a square cube; the carrier 14 includes two opposite sides 141, one side 141 opposite the vertical substrate 111 and the other side 141 opposite the second stroke device 13. A V-shaped bearing groove 142 is defined on the surface of the bearing block 14 facing the first stroke device 12, and the bearing groove 142 communicates with the side surface 141 opposite to the second stroke device 13. The bearing groove 142 includes two bearing surfaces 142a facing the first stroke device 12 and an abutting surface 142b facing the second stroke device 13.

Referring to FIG. 4 together, the assembly method using the assembly jig includes the following steps:

S101, before assembling the optical prism 20, providing an assembly jig 10, a optomechanical frame 30 and two positioning blocks 40;

S102, on the optomechanical frame 30, the colloid is applied to fix the optical prism 20. In the embodiment, the illuminating frame 30 includes a light-receiving portion 31 and a light-emitting portion 32. A lens fixing hole 321 and a micro-mirror fixing hole 322 are formed on the adjacent surface of the light-emitting portion 32. An optical prism fixing seat 323 is disposed on the bottom surface of the lens 32, the colloid is coated on the optical prism fixing base 323, and the colloid is an ultraviolet glue;

S103, the two positioning blocks 40 are respectively locked from the lens fixing hole 321 and the micromirror fixing hole 322 to the optical machine frame 30. The locomotive structure with the positioning block 40 is placed on the V-shaped bearing groove 142 of the carrier 14 of the assembly jig 10 so that the two positioning blocks 40 abut against the bearing surface 142a of the bearing groove 142. One side of the optical frame 30 having the optical prism mount 323 is oriented toward the second stroke means 13, and a side facing away from the optical prism mount 323 abuts against the abutment surface 142b.

S104, the optical prism 20 is placed in the optomechanical frame 30 such that the surface of the optical prism 20 abuts against the positioning block 40.

S105, actuating the first stroke device 12, pressing one end of the first punching rod 124 on the light machine frame 30 to stabilize the light machine frame 30 on the bearing seat 14; then actuating the second punching rod 13, the pressing plate 135 The optical prism 20 is incorporated into the optical prism mount 323 along the surface of the positioning block 40.

S106, an ultraviolet tube (not shown) is inserted into the optical frame 30 to illuminate the bonding portion between the optical prism 20 and the optical prism fixing base 323.

The assembly jig provided by the embodiment and the assembly method using the assembly jig are fixed to the optical frame by the first stroke device and the carrier, and the second stroke device can vertically integrate the optical prism into the optical frame. This avoids offsets during assembly.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

10‧‧‧Assembled fixtures
11‧‧‧Base
111‧‧‧Vertical substrate
112‧‧‧Level substrate
12‧‧‧First Stroke Unit
121‧‧‧First bracket
122‧‧‧First handle
123‧‧‧First connecting rod
124‧‧‧First stamping rod
121a‧‧‧first pivot end
121b‧‧‧first fixed end
121c‧‧‧First bushing
122a‧‧‧First Handheld Department
122b‧‧‧First Transfer Department
122c‧‧‧First call end
122d‧‧‧first transfer end
13‧‧‧Second stroke device
131‧‧‧second bracket
132‧‧‧ second handle
133‧‧‧Second connecting rod
134‧‧‧Second punching rod
135‧‧‧ pressure plate
131a‧‧‧Second pivotal end
131b‧‧‧second fixed end
131c‧‧‧Second bushing
132a‧‧‧Second Handheld
132b‧‧‧Second Transfer Department
132c‧‧‧second abutment
132d‧‧‧second transfer end
14‧‧‧Hosting
141‧‧‧ Side 141
142‧‧‧ carrying trough
142a‧‧‧ bearing surface
142b‧‧‧Abutment
30‧‧‧Light machine frame
31‧‧‧Into the Light Department
32‧‧‧Lighting Department
321‧‧‧ lens fixing hole
322‧‧‧Micromirror fixing hole
323‧‧‧Optical prism mount
40‧‧‧ Positioning block

1 is a schematic perspective view of an assembly jig provided by an embodiment of the present invention.

2 is a schematic structural view of an optical frame and a positioning block to be assembled.

3 is an assembled view of the assembly jig of FIG. 1 incorporating an optical prism into an optical frame.

Figure 4 is a flow chart of the assembly method using the assembly jig of Figure 1.

10‧‧‧Assembled fixtures

11‧‧‧Base

111‧‧‧Vertical substrate

112‧‧‧Level substrate

12‧‧‧First Stroke Unit

121‧‧‧First bracket

122‧‧‧First handle

123‧‧‧First connecting rod

124‧‧‧First stamping rod

121a‧‧‧first pivot end

121b‧‧‧first fixed end

121c‧‧‧First bushing

122a‧‧‧First Handheld Department

122b‧‧‧First Transfer Department

122c‧‧‧First call end

122d‧‧‧first transfer end

13‧‧‧Second stroke device

131‧‧‧second bracket

132‧‧‧ second handle

133‧‧‧Second connecting rod

134‧‧‧Second punching rod

135‧‧‧ pressure plate

131a‧‧‧Second pivotal end

131b‧‧‧second fixed end

131c‧‧‧Second bushing

132a‧‧‧ second hand unit

132b‧‧‧Second Transfer Department

132c‧‧‧second abutment

132d‧‧‧second transfer end

14‧‧‧Hosting

141‧‧‧ Side 141

142‧‧‧ carrying trough

142a‧‧‧ bearing surface

142b‧‧‧Abutment

Claims (9)

An assembly jig for assembling an optical prism into a optomechanical frame; the improvement is that the assembly jig includes a base, a first stroke device, a second stroke device and a carrier; The base includes a vertical substrate and a leveling substrate fixedly connected perpendicularly to the vertical substrate; the first stroke device is fixed on the vertical substrate; the second stroke device is fixed on the leveling substrate; The seat is fixed on the leveling substrate and located below the first stroke device; a bearing groove is formed on the bearing seat, and the bearing groove is used to carry the light machine frame. The assembly jig according to claim 1, wherein the carrier includes two opposite sides, one side of which is opposite to the vertical substrate, and the other side of which is opposite to the second stroke device; The first stroke device is in communication with and opposite the side opposite the second stroke device. The assembly jig of claim 2, wherein the carrying groove is a V-shaped groove, the V-shaped groove includes two bearing faces facing the first stroke device and one facing the second stroke The abutment of the device. The assembly jig of claim 1, wherein the first stroke device comprises a first bracket, a first handle, a first connecting rod and a first punching rod; the first bracket is fixed On the vertical substrate; the first handle is movably connected to one end of the first bracket; one end of the first connecting rod is connected to the first handle, and the other end is connected to the first punching rod; the first punching rod is sleeved on the first One end of the bracket; rotating the first handle, the first punching rod is moved up and down under the transmission of the first connecting rod. The assembly jig of claim 4, wherein one end of the first bracket is provided with a first sleeve, and the first punching rod is sleeved in the first sleeve. The assembly jig of claim 1, wherein the second stroke device comprises a second bracket, a second handle, a second connecting rod, a second punching rod and a pressure plate; The second bracket is fixed to the leveling substrate; the second handle is movably connected to one end of the second bracket; one end of the second connecting rod is connected with the second handle, and the other end is connected with the second punching rod; The rod sleeve is disposed at one end of the second bracket; the action plate is fixed to one end of the second punching rod; and the second handle is rotated, and the second punching rod is moved up and down under the transmission of the second connecting rod. The assembly jig of claim 1, wherein one end of the second bracket is provided with a second sleeve, and the second punching rod is sleeved in the second sleeve. An assembly method using the assembly jig according to claim 1, wherein the assembly method comprises the following steps:
Providing a optomechanical frame, an optical prism, two positioning blocks and an assembly fixture;
The optomechanical frame comprises a lens fixing hole, a micromirror fixing hole and an optical prism fixing seat; the optical prism fixing seat is coated with a colloid, and the two positioning blocks are respectively arranged from the lens fixing hole and the micro mirror fixing hole in the light On the machine frame;
Positioning the optomechanical frame with the positioning block on the carrier of the assembly jig, and the two positioning blocks abut against the bearing groove;
The optical prism is placed in the frame of the light machine, and the optical prism is located on two positioning blocks;
The first stroke device and the second stroke device of the assembly jig are actuated, and the optical prism is assembled into the optical prism fixing seat to bond the optical prism with the optical frame. The assembly method of claim 8, wherein the colloid is an ultraviolet glue, and after the optical prism is incorporated into the frame of the optical machine, the optical prism is inserted into the frame of the optical machine through an ultraviolet tube, and the optical prism is used. Irradiation with the bonding of the optomechanical frame.