Assembly tool for assembling infrared short-focus athermalization lens

Abstract

The utility model discloses an assembly tool for assembling an infrared short-focus athermalized lens, which comprises a base for placing a lens barrel, four limiting blocks and an adjusting assembly, the four limiting blocks are arranged around the surface of the base at equal intervals, and a positioning area for fixing a lens to be assembled is formed among the four limiting blocks; the adjusting assembly drives the four limiting blocks to axially move at the same time, the positions of the limiting blocks on the base are changed, and the range of the positioning area is adjusted according to the size of the lens. Due to the fact that the wavy arc-shaped cambered surface pushes and drives the rolling wheels to move towards the square groove in the cavity, the limiting blocks are pushed to move, the multiple limiting blocks are made to move in the axial direction relative to the fixing block at the same time, the limiting blocks can abut against the lens cone, fixing of the lens cone is completed, and a worker only needs to carefully install a lens. The stability in the lens assembling process is improved, the loss of the lens is reduced, and the overall working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of assembly tool of infrared short-focus athermalization lens assembly. BACKGROUND

[0002] With the development of science and technology, infrared imaging technology has been widely used in national defense, industry, medical and other fields, infrared detection has certain ability to penetrate smoke, fog, haze and other, will not be affected by strong light, flash interference, using infrared imaging technology to form infrared lens product, can realize long-distance identification and tracking of dynamic target.

[0003] At present, infrared lens assembly is generally assembled by hand, during assembling lens barrel and lens, the operator needs to hold lens and lens barrel with one hand and the other hand wearing clean gloves, then the lens is placed into the lens barrel, but such operation is not high in stability, and the lens around may be abraded, thereby increasing the loss. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of assembly tool of infrared short-focus athermalization lens assembly to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of assembly tool of infrared short-focus athermalization lens assembly, including the pedestal of placing lens barrel, four limit blocks and adjusting assembly, four limit blocks are equidistantly spaced around the surface of pedestal, and the positioning area for fixing lens to be assembled is formed between four limit blocks;

[0006] Among them, four limit blocks are simultaneously driven to move axially by adjusting assembly, the position of limit block on pedestal is changed, and the range of positioning area is adjusted according to the size of lens.

[0007] Preferably, the adjusting assembly includes four fixed blocks arranged on the upper surface of the pedestal, the fixed block is provided with a cavity, and a square groove is formed in the side of the fixed block facing the lens and connected with the cavity.

[0008] Preferably, the limit block is inserted into the square groove, a shaft is arranged at one end of the cavity close to the limit block, a roller is arranged outside the shaft, and a push plate is vertically arranged in the cavity and abuts against the roller.

[0009] Preferably, the push plate is in wave arc shape on the side facing the roller.

[0010] Preferably, a driving unit for providing power is arranged on the lower surface of the pedestal, and the driving unit includes an air pump arranged vertically below the pedestal.

[0011] Preferably, the air pump power output end is connected with a cross, and the four heads of the cross are all provided with grooves.

[0012] Preferably, the end of the push plate is inserted into the groove, and a rotating shaft matched with the push plate is arranged in the groove.

[0013] The technical effect and advantages of the utility model are as follows: the assembly tool for the infrared short-focus athermalization lens assembly is used for centrally installing the lens barrel part of the lens to be assembled on the upper surface of the base, after starting the air pump, the air pump power output end pushes the cross to rise, under the rotation of the rotating shaft, the push plate rises in the cavity, under the pushing of the wave-shaped arc surface, the roller moves in the cavity towards the square groove, thereby pushing the limiting block to move, the multiple limiting blocks simultaneously axially feed and move relative to the fixed block, the limiting block can abut against the lens barrel part, the fixing of the lens barrel is completed, the staff only needs to carefully install the lens, the stability in the lens assembly process is improved, the loss of the lens is reduced, and the overall work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structural schematic view of the utility model;

[0015] Figure 2 It is a structural schematic view of the driving unit of the utility model;

[0016] Figure 3 It is a structural schematic view of the rotating shaft of the utility model;

[0017] Figure 4 It is a structural schematic view of the inside of the fixed block of the utility model.

[0018] In the drawing: 1, base; 2, limiting block; 3, fixed block; 4, square groove; 5, roller; 6, push plate; 7, air pump; 8, cross; 9, groove; 10, rotating shaft. DETAILED DESCRIPTION

[0019] The technical scheme in the utility model embodiment will be clearly and completely described in combination with the drawings in the utility model embodiment.

[0020] In order to facilitate the improvement of the stability in the lens assembly process, refer to Figure 1 , Figure 2 and Figure 3As shown, including the base 1 placed barrel, four limit block 2 and adjusting assembly, four said limit block 2 around the base 1 surface equidistantly spaced apart, and four said limit block 2 between the formation for fixing the lens to be assembled positioning area; wherein, by adjusting assembly drive four limit block 2 at the same time axial movement, change limit block 2 on the base 1 position, according to the size of the lens adjusting positioning area range, to be assembled lens barrel part of the center installation on the base 1 upper surface, start air pump 7, air pump 7 power output end push cross 8 rise, under the rotation of the rotating shaft 10, let push plate 6 in the cavity rises, due to the wave arc arc surface push, drive the roller 5 in the cavity towards the square groove 4 moves, thereby push limit block 2 moves, make multiple limit block 2 relative to the fixed block 3 at the same time axial feed movement, limit block 2 can be with the barrel part of the abutment, complete the fixing of the lens barrel, staff only need to carefully install the lens can, improve the stability of the lens assembly process, reduce the loss of lens.

[0021] In order to change the range of positioning area according to the size of the lens barrel, reference Figure 1 、 Figure 2 、 Figure 3 And Figure 4 As shown, the adjusting assembly includes four fixed blocks 3 provided on the upper surface of the base 1, the fixed blocks 3 are provided with cavities therein, and the fixed blocks 3 are provided with square grooves 4 which are in communication with the cavities on the side facing the lens. With the pushing of the push plate 6 on the roller 5, one end of the roller 5 slides along the length direction of the push plate 6, and at the same time, the roller 5 can move in the cavity towards the square groove 4, thereby pushing the limit block 2, so that the limit block 2 abuts against the lens barrel, completing the fixing of the lens barrel. The limit block 2 is inserted into the square groove 4, the cavity is provided with a rotating shaft near one end of the limit block 2, the rotating shaft is provided with the roller 5 on the outside, the cavity is also vertically provided with the push plate 6, the push plate 6 abuts against the roller 5, the push plate 6 is in wave arc shape on the side facing the roller 5, with the vertical movement of the push plate 6 in the fixed block 3, one side of the wave arc shape abuts against the roller 5, so that the roller 5 can move towards the square groove 4 while rotating, pushing the limit block 2. The lower surface of the base 1 is provided with a driving unit for providing power, the driving unit includes an air pump 7 provided vertically below the base 1, the cross 8 is driven by the air pump 7, so that the push plate 6 moves vertically in the fixed block 3. The power output end of the air pump 7 is connected with the cross 8, four heads of the cross 8 are provided with grooves 9. The end of the push plate 6 is inserted into the groove 9, and the groove 9 is provided with a rotating shaft 10 which is matched with the push plate 6, by rotating the rotating shaft 10, when the cross 8 moves towards the base 1, the push plate 6 moves vertically in the fixed block 3. A vertical groove is provided in the cavity to facilitate the vertical movement of the push plate 6.

[0022] In use, first, the lens barrel part to be assembled is centrally installed on the upper surface of the base 1, after the air pump 7 is started, the power output end of the air pump 7 pushes the cross 8 to ascend, under the rotation of the rotating shaft 10, the push plate 6 is caused to ascend in the cavity, under the pushing of the wave-shaped arc surface, the roller 5 is caused to move in the cavity towards the square groove 4, thereby pushing the limiting block 2 to move, the plurality of limiting blocks 2 are simultaneously axially fed relative to the fixed block 3, the limiting block 2 can abut against the lens barrel part, the fixing of the lens barrel is completed, and the staff only needs to carefully install the lens.

[0023] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application.

Claims

1. An assembly fixture for assembling an infrared short-focal-length, non-thermalized lens, characterized in that, The base (1) including placing the lens barrel, four limiting blocks (2) and adjusting assembly, four said limiting blocks (2) are equidistantly arranged around the surface of base (1), and the positioning area for fixing the lens to be assembled is formed between four said limiting blocks (2); Wherein, four limiting blocks (2) are driven by adjusting assembly to move axially at the same time, the position of limiting block (2) on base (1) is changed, the range of positioning area is adjusted according to the size of lens, the adjusting assembly includes four fixed blocks (3) arranged on the upper surface of base (1), the fixed block (3) is provided with a cavity, and the side of fixed block (3) facing the lens is provided with a square groove (4) communicated with the cavity, the limiting block (2) is inserted into the square groove (4), the end of cavity close to limiting block (2) is provided with a rotating shaft, the outer side of rotating shaft is provided with a roller (5), the cavity is also vertically provided with a push plate (6), the push plate (6) is abutted with roller (5).

2. The assembly tool for an infrared short focal length athermalized lens assembly according to claim 1, wherein: The side of push plate (6) facing roller (5) is wave arc shape.

3. The assembly tool for an infrared short focal length athermalized lens assembly according to claim 2, wherein: The lower surface of base (1) is provided with driving unit for providing power, the driving unit includes air pump (7) arranged vertically below base (1).

4. The assembly tool for an infrared short focal length athermalized lens assembly according to claim 3, wherein: The power output end of air pump (7) is connected with cross (8), four heads of cross (8) are provided with recess (9).

5. The assembly tool for an infrared short focal length athermalized lens assembly according to claim 4, wherein: The end of push plate (6) is inserted into recess (9), and recess (9) is provided with rotating shaft (10) matched with push plate (6).

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