Coupling clamping jig capable of being rapidly switched

Abstract

The utility model discloses a coupling clamping jig capable of fast switching, which comprises a fixing frame, a jig fixing block and a plurality of ferromagnetic coupling jigs, the jig fixing block is fixed at one end of the fixing frame, two positioning pins extending downwards are fixed on the jig fixing block, a magnet is fixed at the bottom of the jig fixing block, and the ferromagnetic coupling jigs are fixed on the fixing frame. The top of the coupling jig is attached to the bottom of the jig fixing block, the magnet is matched with the coupling jig in a magnetic attraction mode, two positioning holes are formed in the top of the coupling jig and correspond to the positioning pins in a one-to-one mode, the positioning pins are inserted into the positioning holes, and the positioning holes are matched with the positioning pins in a one-to-one mode. An embedding opening for embedding the plastic lens and a plastic lens limiting part arranged around the embedding opening are formed at the bottom of each coupling jig, and the shapes of the embedding openings of the plurality of coupling jigs are different. According to the utility model, the coupling jig can be quickly replaced, the operation is convenient, and the cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic lens clamping fixture, especially a kind of coupling clamping fixture of quick switching. BACKGROUND

[0002] Optical communication plastic lens is used in the key material in data communication optical module, and the pros and cons of optical communication plastic lens directly determine optical module data transmission performance, in the production process of plastic lens, the performance of plastic lens needs to be monitored, i.e. using coupling test mode, plastic lens is fixed above test area, PCB is fixed below test area, then the best relative position of plastic lens and chip on PCB is found by coupling. In prior art, it is usually designed according to coupling machine manufacturer, and special machine is used for mass production, so that the plastic lens model matched by fixture is single, and the quick replacement of multiple plastic lens models cannot be realized, i.e. when replacing other plastic lens model, the whole upper and lower clamping assembly needs to be replaced, and the fixture designed and manufactured by manufacturer is more, so that the replacement process is troublesome, and the application cost is higher. SUMMARY

[0003] The utility model provides a coupling clamping fixture that can quickly replace coupling fixture, is convenient to operate and saves cost.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme.

[0005] A kind of coupling clamping fixture of quick switching, it includes fixed frame, fixture fixed block and multiple ferromagnetic coupling fixtures, the fixture fixed block is fixed at one end of the fixed frame, two downward extending positioning pins are fixed on the fixture fixed block, the bottom of the fixture fixed block is fixed with magnet, the top of the coupling fixture is in close contact with the bottom of the fixture fixed block, and the magnet is magnetically attracted to the coupling fixture, two positioning holes are formed in the top of the coupling fixture, the positioning hole is one-to-one corresponding with the positioning pin, and the positioning pin is inserted into the positioning hole, the bottom of the coupling fixture is formed with embedding mouth for embedding plastic lens and plastic lens limiting portion arranged around the embedding mouth, and the embedding mouths of multiple coupling fixtures are different in shape.

[0006] Preferably, the upper end of the positioning pin is formed with end cap, the top of the fixture fixed block is formed with two counterbores, two positioning pins respectively pass through two counterbores and extend downward, and the end cap is clamped in the counterbores.

[0007] Preferably, two fixing screws are arranged on the fixed frame, and the lower end of the fixing screw is screw-coupled with the fixture fixed block.

[0008] Preferably, the bottom of the jig fixing block is provided with a magnet embedding opening, and the magnet is fixed in the magnet embedding opening, and the lower end surface of the magnet is flush with the bottom surface of the jig fixing block.

[0009] Preferably, the coupling jig is a stainless steel jig.

[0010] Preferably, the coupling jig is provided with a transversely extending negative pressure channel, and the top wall of the embedding opening is provided with a negative pressure adsorption hole in communication with the negative pressure channel.

[0011] In the coupling clamping jig capable of quick switching, the coupling jig can be two or more, corresponding to different types of plastic lenses, the jig fixing block is fixed at one end of the fixing frame, the bottom of the jig fixing block is magnetically attracted to the coupling jig by the magnetic force provided by the magnet, and the mounting direction of the coupling jig is limited by the insertion relationship between the two positioning pins and the two positioning holes. When coupling testing is performed, the plastic lens can be mounted in the embedding opening, and when other types of plastic lenses need to be replaced, the coupling jig can be removed, and other types of coupling jigs can be replaced by magnetic attraction and pin hole positioning. Compared with the prior art device that can only match a single type of jig, the coupling clamping jig capable of quick switching does not need to replace the clamping assembly as a whole, has the characteristics of quick replacement of the coupling jig, and is convenient to operate during replacement. The manufacturer does not need to design and manufacture multiple clamping assemblies, and the application cost can be effectively saved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a perspective view of the coupling clamping jig of the utility model;

[0013] Figure 2 It is a perspective view of the fixing frame and the jig fixing block after assembly;

[0014] Figure 3 It is an exploded view of the fixing frame and the jig fixing block;

[0015] Figure 4 It is a perspective view of the coupling jig;

[0016] Figure 5 It is a structure view of the coupling jig and the plastic lens;

[0017] Figure 6 It is a structure view of another type of coupling jig and plastic lens. DETAILED DESCRIPTION

[0018] The utility model will be described in more detail in combination with the drawings and examples.

[0019] The utility model discloses a coupling clamping jig capable of quick switching, which combinesFigures 1 to 5 As shown, it comprises a fixing frame 1, a jig fixing block 2 and a plurality of ferromagnetic coupling jigs 3, the jig fixing block 2 is fixed to one end of the fixing frame 1, two downward extending positioning pins 20 are fixed on the jig fixing block 2, a magnet 21 is fixed on the bottom of the jig fixing block 2, the top of the coupling jig 3 is in close contact with the bottom of the jig fixing block 2, and the magnet 21 is magnetically attracted to the coupling jig 3, two positioning holes 39 are formed on the top of the coupling jig 3, the positioning holes 39 correspond to the positioning pins 20 one by one, and the positioning pins 20 are inserted into the positioning holes 39, the bottom of the coupling jig 3 is formed with an embedding port 30 for embedding a plastic lens 100 and a plastic lens limiting portion 31 arranged around the embedding port 30, and the embedding ports 30 of the plurality of coupling jigs 3 are different in shape.

[0020] In the above structure, please compare Figure 5 and Figure 6 , the coupling jig 3 can be two or more, corresponding to different types of plastic lenses 100, the jig fixing block 2 is fixed to one end of the fixing frame 1, the bottom of the jig fixing block 2 is magnetically attracted to the coupling jig 3 by the magnetic force provided by the magnet 21, and the installation direction of the coupling jig 3 is limited by the insertion relationship between the two positioning pins 20 and the two positioning holes 39, when the coupling test is performed, the plastic lens 100 can be installed in the embedding port 30, when other types of plastic lenses 100 need to be replaced, the coupling jig 3 can be removed, and other types of coupling jigs 3 can be replaced by magnetic attraction and pin hole positioning. Compared with the prior art device which can only match a single type of jig, the utility model does not need to replace the clamping assembly as a whole, not only has the characteristics of quickly replacing the coupling jig, but also is convenient to operate during the replacement process, and the manufacturer does not need to design and manufacture multiple clamping assemblies, which can effectively save application cost.

[0021] As a preferred way, please see Figure 3 , the upper end of the positioning pin 20 is formed with an end cap 22, the top of the jig fixing block 2 is formed with two counterbores 23, two positioning pins 20 respectively pass through the two counterbores 23 and extend downward, and the end cap 22 is clamped in the counterbores 23. When the upper end of the jig fixing block 2 is in close contact with the fixing frame 1 and is fixed, the end cap 22 can be fixed in the counterbores 23.

[0022] In this embodiment, please see Figure 2 and Figure 3The positions of the two positioning pins 20 are asymmetric, that is, both of the two positioning pins 20 are adjacent to the magnet 21, but the two positioning pins 20 are not symmetrically arranged with the magnet 21 as a reference. The asymmetric distribution can make the installation orientation of the coupling jig 3 unique, and avoid mispositioning and reverse installation.

[0023] To reliably fix the fixing frame 1 and the jig fixing block 2, in the embodiment, please refer to Figure 3 Two fixing screws 10 are arranged on the fixing frame 1, and the lower ends of the fixing screws 10 are screw-fixed with the jig fixing block 2.

[0024] In the embodiment, the magnet 21 is preferably a cylindrical magnet, please refer to Figure 2 The bottom of the jig fixing block 2 is provided with a magnet embedding port 24, the magnet 21 is fixed in the magnet embedding port 24, and the lower end surface of the magnet 21 is flush with the bottom surface of the jig fixing block 2. In the embodiment, the lower end surface of the magnet 21 is aligned with the bottom surface of the jig fixing block 2, which can ensure that the bottom surface of the jig fixing block 2 is flat, thereby being well fitted with the coupling jig 3.

[0025] In order to be magnetically attracted with the magnet 21, in the embodiment, the coupling jig 3 is a stainless steel jig.

[0026] In actual application, the plastic lens 100 can be reliably fixed in the embedding port 30 by using negative pressure adsorption and the like. Specifically, in the embodiment, please refer to Figure 4 and Figure 5 The coupling jig 3 is provided with a transversely extending negative pressure channel 32, the top wall of the embedding port 30 is provided with a negative pressure adsorption hole 33, and the negative pressure adsorption hole 33 is in communication with the negative pressure channel 32.

[0027] The coupling clamping jig which can be quickly switched has the advantages that the replacement operation is simple, the design and manufacturing cost of the clamping assembly can be saved, and when the plastic lens is replaced for testing each time, only the corresponding coupling jig and the corresponding plastic lens need to be replaced, so that the user can conveniently set the identification and batch manage.

[0028] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, and the modification, equivalent replacement or improvement and the like made in the technical range of the utility model should be included in the range protected by the utility model.

Claims

1. A quick-switchable coupling clamping fixture, characterized in that, The utility model relates to a plastic lens embedding device, including fixed frame (1), tool fixed block (2) and a plurality of ferromagnetic coupling tool (3), tool fixed block (2) is fixed in one end of fixed frame (1), two downward extending positioning pin (20) are fixed on tool fixed block (2), the bottom of tool fixed block (2) is fixed with magnet (21), the top of coupling tool (3) is in accord with the bottom of tool fixed block (2), and magnet (21) and coupling tool (3) magnetic suction cooperation, the top of coupling tool (3) is provided with two positioning hole (39), positioning hole (39) and positioning pin (20) one to one, and positioning pin (20) is inserted in positioning hole (39), the bottom of coupling tool (3) is formed with embedding mouth (30) for embedding plastic lens (100) and plastic lens limiting portion (31) around embedding mouth (30), and the embedding mouth (30) shape of a plurality of coupling tool (3) is different.

2. The quick switchable coupling clamp jig of claim 1, wherein, The upper end of positioning pin (20) is formed with end cap (22), the top of tool fixed block (2) is formed with two counterbores (23), two positioning pins (20) respectively pass through two counterbores (23) and extend downward, and end cap (22) is clamped in counterbores (23).

3. The quick switchable coupling clamp jig of claim 1, wherein, Two fixed screws (10) are arranged on the fixed frame (1), and the lower end of the fixed screw (10) is screw-coupled with the tool fixed block (2).

4. The quick switchable coupling clamp jig of claim 1, wherein, The bottom of tool fixed block (2) is provided with a magnet embedding port (24), and the magnet (21) is fixed in the magnet embedding port (24), and the lower end surface of the magnet (21) is flush with the bottom surface of the tool fixed block (2).

5. The quick switchable coupling clamp jig of claim 1, wherein, The coupling tool (3) is a stainless steel tool.

6. The quick switchable coupling clamp jig of claim 1, wherein, The coupling tool (3) is provided with a transversely extending negative pressure channel (32), and the top wall of the embedding mouth (30) is provided with a negative pressure suction hole (33) which is in communication with the negative pressure channel (32).

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