CN211955912U - Upper clamp assembly of laser coupling machine - Google Patents

Abstract

The utility model relates to an upper clamp assembly of a laser coupler, which comprises a fixed seat, a connecting cover, an upper clamp and a limiting device, wherein the fixed seat is arranged on a laser coupler, the connecting cover is fixed at the bottom of the fixed seat, the bottom of the connecting cover is provided with an upper clamp seat, the bottom of the connecting cover is provided with the upper clamp seat, the upper clamp is in threaded connection with the upper clamp seat, a first air suction hole is arranged on the axis of the upper clamp seat, a holding tank capable of holding a workpiece is arranged in the upper clamp, the bottom of the tank is provided with a second air suction hole, and the fixed seat is; stop device includes spacing post and shifting block, and spacing post one end is equipped with first spacing convex part, and the spacing post other end and the inboard bottom fixed connection of shifting block, spacing post slide peg graft on the lateral wall of last anchor clamps, and first spacing convex part is located the inside of holding tank, and the shifting block is located the holding tank outside, has seted up the groove of stepping down on the cell wall of holding tank. The utility model discloses simple structure goes up anchor clamps threaded connection on last anchor clamps seat, has shortened the time of changing anchor clamps greatly.

Description

Upper clamp assembly of laser coupling machine

Technical Field

The utility model relates to a laser coupling equipment field especially relates to an last anchor clamps subassembly of laser coupling machine.

Background

With the development of optical fiber communication and optical fiber sensing technologies, the preparation of optoelectronic devices becomes the key for the further development of optical information technologies. The existing optical transmitter and receiver device, i.e. TOSA/ROSA, is manufactured by a semiconductor laser or a semiconductor optical receiver through a packaging process into different optical communication standard interface products. One of the key steps in the packaging process is the coupling of a laser and an optical fiber, and the packaging requires that a welded device has extremely high coaxiality and positioning accuracy and that the device is simply and quickly assembled and disassembled. When utilizing laser coupling machine to carry out the coupling alignment, normally can use anchor clamps, go up anchor clamps and be used for fixed work piece, nevertheless last anchor clamps among the current laser coupling machine are fixed mostly, when the work piece specification changes, can't directly change fast and correspond the last anchor clamps of specification. Therefore, the problem to be solved in the prior art is to design an upper clamp assembly of a laser coupling machine to solve the problems.

SUMMERY OF THE UTILITY MODEL

Weak point to prior art exists, the utility model provides a last anchor clamps subassembly of laser coupling machine simple structure, installation and dismantlement are convenient and fast very, can the quick replacement correspond the last anchor clamps of specification, shorten the time of changing the anchor clamps.

The utility model adopts the following technical scheme:

an upper clamp assembly of a laser coupler comprises a fixed seat, a connecting cover, an upper clamp and a limiting device.

The fixing seat is arranged on the laser coupling machine, the connecting cover is fixed at the bottom of the fixing seat, an upper clamp seat is arranged at the bottom of the connecting cover, the upper clamp is in threaded connection with the upper clamp seat, a first air suction hole is formed in the axis of the upper clamp seat, an accommodating groove capable of accommodating a workpiece is formed in the upper clamp, a second air suction hole communicated with the first air suction hole is formed in the bottom of the accommodating groove, a vacuum air suction device used for vacuumizing the first air suction hole and the first air suction hole is arranged on the fixing seat, and the vacuum air suction device is communicated with the first;

stop device includes spacing post and shifting block, and spacing post one end is equipped with first spacing convex part, and the spacing post other end and the inboard bottom fixed connection of shifting block, spacing post slide peg graft on the lateral wall of last anchor clamps, and first spacing convex part is located the inside of holding tank, and the shifting block is located the holding tank outside, offers the groove of stepping down that is used for stepping down for first spacing convex part on the cell wall of holding tank.

The fixture is further provided with a threaded groove, and the bottom of the threaded groove is communicated with the first air suction hole; the top of the upper clamp is provided with a threaded rod matched with the threaded groove.

So set up, can fixed connection go up anchor clamps and connection lid in with threaded rod top screw in thread groove, it is all very convenient to dismantle and install, can the quick replacement correspond the last anchor clamps of specification, has shortened the time of changing anchor clamps greatly.

In a further arrangement, the vacuum suction device comprises a vacuum suction pump and a suction pipe, a suction groove is formed in the bottom of the fixed seat, a suction port is formed in the bottom of the suction groove, and the suction port is communicated with the first suction hole and the suction pipe respectively.

So set up, when the vacuum aspirator pump started, through the breathing pipe to first suction opening and the second suction opening evacuation to fix the work piece at the holding tank bottom.

Further, a sealing convex part is arranged at the top of the connecting cover, the sealing convex part is positioned on the outer side of the first air suction hole, and the top of the sealing convex part is in close contact with the bottom of the air suction groove.

So set up, sealed convex part top and the tank bottom in close contact with of breathing in have improved the fixed effect of vacuum getter device to the absorption of work piece greatly.

Further setting, the aperture of the aforesaid holding tank is greater than the aperture of second suction opening.

So set up, have the ladder face between holding tank and the second suction hole for the upper and lower position of restriction work piece in the holding tank effectively prevents that the work piece from being by direct suction holding tank.

Further setting, the middle part of the limiting column is provided with a second limiting convex part, and the second limiting convex part is positioned outside the accommodating groove.

So set up, the spacing convex part of second is located the holding tank outside, when preventing that the manual spacing post of inwards moving of operating personnel, shifting block and last anchor clamps outer wall contact, the follow-up shifting block that outwards draws of inconvenient operating personnel.

Advantageous effects

Compared with the prior art, the utility model provides an upper clamp subassembly of laser coupling machine possesses following beneficial effect:

the upper clamp assembly of the laser coupling machine provided by the utility model adopts the upper clamp communicated with the vacuum suction device to fix the workpiece, and the upper clamp fixes the outer side surface of the workpiece through the inner wall of the accommodating groove, so that the coaxial coupling precision of the workpiece is improved; the upper clamp assembly is simple in structure, the upper clamp is in threaded connection with the upper clamp seat, the upper clamps of different specifications can be quickly replaced by only screwing out the top of the upper clamp from the threaded groove, the time for replacing the upper clamp is greatly shortened, the upper clamp assembly is very convenient to mount and dismount, and the coupling efficiency is improved; the limiting device effectively prevents the workpiece from falling out of the containing groove when the vacuum suction device fails.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

FIG. 3 is a schematic structural view of the fixing base;

FIG. 4 is a schematic view of the structure of the connecting cover;

FIG. 5 is a sectional view of the connection structure of the fixing base and the connection cover;

FIG. 6 is an enlarged view of the structure at A;

fig. 7 is a schematic view of a connection structure of the upper clamp and the limiting device.

Reference numerals: 1. the vacuum suction pump comprises a fixed seat, 11, a connecting column, 111, a first threaded hole, 12, a suction groove, 121, a suction port, 13, a vacuum suction pump, 14, a suction pipe, 15, a connecting convex part, 151, a fixing groove, 1511, a spring, 1512, a connecting block, 2, a connecting cover, 21, a connecting concave part, 22, a sealing convex part, 23, an upper clamp seat, 231, a threaded groove, 232, a first suction hole, 3, an upper clamp, 31, a threaded rod, 32, an accommodating groove, 321, a second suction hole, 322, a relief groove, 323, a limiting hole, 4, a limiting device, 41, a limiting column, 411, a first limiting convex part, 412, a second limiting convex part, 42 and a shifting block.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, wherein fig. 1 is a schematic structural view of the present invention, fig. 2 is an exploded structural view of the present invention, fig. 3 is a schematic structural view of the fixing base, fig. 4 is a schematic structural view of the connecting cover, fig. 5 is a sectional view of the connecting structure of the connecting cover and the fixing base, fig. 6 is an enlarged structural view of a point a, and fig. 7 is a schematic structural view of the upper clamp and the limiting device. The utility model discloses the last anchor clamps subassembly of a preferred embodiment laser coupling machine, including fixing base 1, connection lid 2, go up anchor clamps 3 and stop device 4, wherein fixing base 1, connection lid 2, go up anchor clamps 3 and stop device 4 and be integrated into one piece.

Connecting columns 11 are arranged at two ends of the top of the fixing seat 1, first threaded holes 111 are formed in the middle of the connecting columns 11, and bolts penetrate through the first threaded holes 111 to fixedly connect the upper fixture 3 component and the laser coupler. The bottom of the fixed seat 1 is provided with an air suction groove 12, the bottom of the air suction groove 12 is provided with an air suction port 121, and the air suction port 121 is communicated with a vacuum air suction device. The vacuum suction device comprises a vacuum suction pump 13 and a suction pipe 14, wherein the suction pipe 14 is respectively communicated with the vacuum suction pump 13 and the suction port 121, and when the vacuum suction pump 13 is started, the suction pipe 14 is used for vacuumizing, so that a workpiece is fixed. Fixing base 1 bottom still has annular connection convex part 15, connects the inboard bottom in convex part 15 both ends and all opens fixed slot 151, and inside spring 1511 and the connecting block 1512 of being equipped with of fixed slot 151, spring 1511 both ends respectively with the tank bottom of fixed slot 151, the inboard one end welding of connecting block 1512, the fixed slot 151 is stretched out to the outside one end of connecting block 1512.

The outer side surface of the connecting cover 2 is provided with a connecting concave part 21 which is in clearance fit with one end of the outer side of the connecting block 1512, and when the spring 1511 extends, one end of the outer side of the connecting block 1512 is driven to be inserted into the connecting concave part 21, so that the fixing seat 1 and the connecting cover 2 are axially and fixedly connected, and the connecting cover 2 can rotate around an axis. The top of the connecting cover 2 is adhered with a sealing convex part 22 made of silica gel, the sealing convex part 22 is in a circular ring shape and is positioned outside the first air suction hole 232, and the top of the sealing convex part 22 is in close contact with the bottom of the air suction groove 12, so that the adsorption fixing effect of the vacuum air suction device on a workpiece is greatly improved. Six upper clamp seats 23 distributed in an annular mode are arranged at the bottom of the connecting cover 2, the required upper clamp seats 23 can be located right above the lower clamp by rotating the connecting cover 2, a threaded groove 231 is formed in the axis of each upper clamp seat 23, and a first air suction hole 232 communicated with the air suction groove 12 is formed in the bottom of each threaded groove 231.

Go up anchor clamps 3 top have with thread groove 231 complex threaded rod 31, then can fixed connection go up anchor clamps 3 and connection lid 2 in screw in thread groove 231 with threaded rod 31 top, it is all very convenient to dismantle and install, can the quick replacement correspond the last anchor clamps 3 of specification, has shortened the time of changing last anchor clamps 3 greatly. The middle part of the upper clamp 3 is provided with an accommodating groove 32 capable of accommodating a workpiece, the shape and the size of the accommodating groove 32 are consistent with those of the workpiece, and the outer side surface of the workpiece is fixed by the upper clamp 3 through the inner wall of the accommodating groove 32, so that the coaxial coupling precision of the workpiece is improved. The bottom of the accommodating groove 32 is provided with a second suction hole 321 communicated with the first suction hole 232, the aperture of the accommodating groove 32 is larger than that of the second suction hole 321, and a stepped surface is arranged between the accommodating groove 32 and the second suction hole 321 to limit the upper and lower positions of the workpiece in the accommodating groove 32, so that the workpiece is effectively prevented from being directly sucked out of the accommodating groove 32. The accommodating tank 32 is communicated with the vacuum suction pump 13 sequentially through the second suction holes 321, the first suction holes 232, the suction tank 12 and the suction pipe 14, and the workpiece is firmly adsorbed at the bottom of the accommodating tank 32 by the vacuum suction pump 13. The bottom of the two sides of the inner wall of the accommodating groove 32 is provided with a yielding groove 322, and the bottom of the yielding groove 322 is provided with a limiting hole 323.

The limiting device 4 comprises a limiting column 41 and a shifting block 42, the limiting column 41 is inserted on the side wall of the upper clamp 3 in a sliding mode through a limiting hole 323, one end of the limiting column 41 is provided with a first limiting convex part 411, the other end of the limiting column 41 is welded with the bottom of the inner side of the shifting block 42, the first limiting convex part 411 is in clearance fit with the abdicating groove 322, when the limiting column 41 moves inwards, the first limiting convex part 411 is located inside the accommodating groove 32, the workpiece is prevented from falling and sliding out of the accommodating groove 32 when the vacuum suction device fails, and when the limiting column 41 moves outwards, the first limiting convex part 411 is completely located inside the abdicating groove 322, and when the workpiece is sucked into or discharged out of the accommodating groove 32, the workpiece is prevented from interfering with; the shifting block 42 is located outside the accommodating groove 32 and is used for facilitating the manual movement of the limiting column 41 by an operator. The diameter of the first limiting convex part 411 is larger than the aperture of the limiting hole 323, so that the limiting column 41 is prevented from falling off and sliding out of the limiting hole 323 when an operator manually moves the limiting column 41 outwards. There is the spacing convex part 412 of second in spacing post 41 middle part, and the spacing convex part 412 of second is located the holding tank 32 outside, and the spacing convex part 412 diameter of second is greater than spacing hole 323 aperture, when preventing that operating personnel from manual inwardly directed movement spacing post 41, shifting block 42 and the contact of last anchor clamps 3 outer wall, the follow-up outside shifting block 42 that draws of inconvenient operating personnel.

The utility model discloses during the installation, at first 3 top screw in thread grooves 231 of last anchor clamps, thereby fixed connection goes up anchor clamps 3 and last anchor clamps seat 23, then compression spring 1511, make connecting block 1512 move completely in the fixed slot 151, will connect lid 2 to place again and connect convex part 15 inboardly, place the back, spring 1511 extends and drives connecting block 1512 outside one end and inserts in connecting concave part 21, thereby axial fixity connects fixing base 1 and connection lid 2, adopt the bolt to pass first screw hole 111 fixed connection go up anchor clamps 3 and laser coupling machine again, communicate breathing pipe 14 and induction port 121 at last, reconnection breathing pipe 14 and vacuum aspirator pump 13, can use anchor clamps 3 after the installation is accomplished. When the device is used, firstly, the two shifting blocks 42 are pulled to move outwards, so that the two first limiting convex parts 411 are completely positioned in the abdicating groove 322, then the vacuum suction device is started, a workpiece is sucked to the bottom of the accommodating groove 32 from the bottom of the upper fixture 3, then the two shifting blocks 42 are pushed to move inwards, so that the two second limiting convex parts 412 are all contacted with the outer side surface of the upper fixture 3, then the laser coupling machine is operated to move the workpiece to the upper part of the lower fixture, then the vacuum suction device is closed, then the two shifting blocks 42 are pulled to move outwards, so that the first limiting convex parts 411 are completely positioned in the abdicating groove 322, and the workpiece can slide out of the accommodating groove 32 to be coaxially coupled.

The utility model discloses simple structure only needs to screw out from last anchor clamps seat 23 and goes up anchor clamps 3, can the different specifications of quick replacement go up anchor clamps 3, has shortened the time of changing and has gone up anchor clamps 3 greatly, and the installation is very convenient with the dismantlement, has improved the efficiency of coupling.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. An upper clamp assembly of a laser coupler is characterized by comprising a fixed seat, a connecting cover, an upper clamp and a limiting device, wherein the fixed seat is arranged on a laser coupler, the connecting cover is fixed at the bottom of the fixed seat, the bottom of the connecting cover is provided with an upper clamp seat, the upper clamp is in threaded connection with the upper clamp seat, a first air suction hole is formed in the axis of the upper clamp seat, a containing groove capable of containing a workpiece is formed in the upper clamp, a second air suction hole communicated with the first air suction hole is formed in the bottom of the containing groove, a vacuum air suction device used for vacuumizing the first air suction hole and the second air suction hole is formed in the fixed seat, and the vacuum air suction device is communicated with the;

stop device includes spacing post and shifting block, and spacing post one end is equipped with first spacing convex part, and the spacing post other end and the inboard bottom fixed connection of shifting block, spacing post slide peg graft on the lateral wall of last anchor clamps, and first spacing convex part is located the inside of holding tank, and the shifting block is located the holding tank outside, offers the groove of stepping down that is used for stepping down for first spacing convex part on the cell wall of holding tank.

2. The upper jig assembly of the laser coupler of claim 1, wherein the upper jig base is provided with a threaded groove, and a groove bottom of the threaded groove is communicated with the first suction hole; the top of the upper clamp is provided with a threaded rod matched with the threaded groove.

3. The upper clamp assembly of the laser coupler of claim 1, wherein the vacuum suction device comprises a vacuum suction pump and a suction pipe, a suction groove is formed at the bottom of the fixing base, a suction port is formed at the bottom of the suction groove, and the suction port is respectively communicated with the first suction hole and the suction pipe.

4. The upper jig assembly of the laser coupler as claimed in claim 3, wherein the top of the connection cover is provided with a sealing protrusion, the sealing protrusion is located outside the first suction hole, and the top of the sealing protrusion is in close contact with the bottom of the suction groove.

5. The upper jig assembly of the laser coupler of claim 1, wherein the receiving groove has a larger diameter than the second suction hole.

6. The upper clamp assembly of a laser coupler as recited in claim 1, wherein said spacer post has a second spacer protrusion disposed at a central portion thereof, said second spacer protrusion being disposed outside said receiving groove.

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