CN213469716U - Socket right angle clearance tool - Google Patents

Abstract

The utility model discloses a socket right angle cleaning jig, which is used for cleaning the right angle of a socket on an inner casing and comprises a bottom plate, wherein a clamping component, a cleaning component and a driving component are arranged on the bottom plate; one side of the bottom plate is provided with a pneumatic valve, the pneumatic valve is pneumatically connected with the driving assembly, and the cleaning assembly is connected with the driving assembly; the clamping assembly is used for fixedly clamping the inner shell on the bottom plate, the driving assembly is controlled to slide when the pneumatic valve is started, and the driving assembly drives the cleaning assembly to synchronously slide into a socket of the inner shell for right-angle cleaning; and when the pneumatic valve is used for air exchange, the driving assembly is controlled to return, the driving assembly drives the cleaning assembly to reversely and synchronously slide, and the cleaning assembly exits from the socket of the inner shell. The right angle that drives clearance subassembly through the pneumatic valve indirectly clears up the socket, and the operation is very simple and can clear up fast, need not the manual work and polish just can clear up the right angle, still can not injure the staff or make bad inner casing, and the right angle processing of having solved current socket needs the manual work to polish the problem that influences machining efficiency.

Description

Socket right angle clearance tool

Technical Field

The utility model relates to a machining technical field, in particular to socket right angle clearance tool.

Background

In various devices of the optical communication type, a plurality of peripheral devices are usually externally connected to transmit related signal data. To ensure the reliability of signal data transmission, industrial sockets have higher requirements than domestic devices, and the sockets must be matched with peripheral devices in shape, so that special-shaped sockets are produced, and the square-groove sockets with right angles are difficult to process.

In the prior art, a numerical control machining center is adopted for machining, a right-angle part is machined to be R1.0 (an arc with the radius of 1 mm), then an angle is cleared through electric spark machining, the production efficiency is extremely low, the surface of a product is rough and black, manual polishing is needed, and in addition, a copper male power supply spark is needed to be additionally machined during each machining. The corresponding requirements can be met only by performing the electric discharge machining after the machining, and the surfaces of some products with high appearance requirements are burnt by the electric discharge machining, namely, the surfaces of the products subjected to the electric discharge machining are polished by sand paper. Because the border of interior casing is irregular and inside has other protruding parts in addition, the interior casing is hindered or is made bad easily to manual polishing, and the operation is wasted time and energy, leads to adding man-hour cost great in batches, and machining efficiency can't improve, and the product quality can't hold.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art's weak point, the utility model aims to provide a socket right angle clearance tool to the right angle of solving current socket adopts discharge machining to need the artifical machined surface of polishing and influences machining efficiency's problem.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a socket right-angle cleaning jig is used for cleaning a right angle of a socket on an inner casing and comprises a bottom plate, wherein a clamping assembly, a cleaning assembly and a driving assembly are arranged on the bottom plate; a pneumatic valve is arranged on one side of the bottom plate, the pneumatic valve is pneumatically connected with a driving assembly, and the cleaning assembly is connected with the driving assembly;

the clamping assembly is used for fixedly clamping the inner shell on the bottom plate, the pneumatic valve controls the driving assembly to slide when being opened, and the driving assembly drives the cleaning assembly to synchronously slide into the socket of the inner shell for right-angle cleaning; and when the pneumatic valve is used for air exchange, the driving assembly is controlled to return, the driving assembly drives the cleaning assembly to reversely and synchronously slide, and the cleaning assembly exits from the socket of the inner shell.

Socket right angle clearance tool in, the clamping subassembly includes: the rapid clamp, the clamp cushion block and the positioning plate; the positioning plate is fixed on one side of the bottom plate, the clamping cushion block is fixed on one side of the positioning plate, and the base of the quick clamp is fixed on the clamping cushion block;

the inner cavity of the inner shell covers the positioning plate downwards, and the pressing head of the quick clamp descends to clamp the inner shell between the pressing head and the positioning plate.

In the socket right-angle cleaning jig, the cleaning assembly comprises a right-angle cleaning cutter for performing plunge milling on a right angle, a connecting rod pin, 2 clamp springs, a sliding block, 2 fixing blocks and a sliding limiting block; the slider is installed in the recess of bottom plate through 2 fixed blocks, the edge of a knife of clear angle sword inserts in the guide way on slider upper portion, and the slip stopper passes the middle part of clear angle sword and inserts in the spacing logical groove at slider top, and the sword tail of clear angle sword passes through the connecting rod round pin and installs between two arm lock of connecting rod, and 2 jump rings 2 are installed at the both ends of connecting rod round pin in order to fix the connecting rod round pin on the connecting rod, and the pole head of connecting rod inserts drive assembly.

Socket right angle clearance tool in, be equipped with first trompil on the sword tail of clear angle sword, be equipped with one respectively on two arm lock of connecting rod with the second trompil of first trompil adaptation, the sword tail of clear angle sword is put into between two arm lock and first trompil aligns with the second trompil, the connecting rod round pin passes first trompil and second trompil and stretches out from two second trompils, 2 jump ring cards are on the ring recess at connecting rod round pin both ends.

Socket right angle clearance tool in, the guide way communicates with spacing logical groove, the third trompil that the clear angle sword inserted in the guide way and clear angle sword middle part was seted up aligns with spacing logical groove, the lower extreme of the slip stopper of cylindricality passes spacing logical groove and inserts in the third trompil, the upper end of slip stopper is in spacing logical inslot.

In the socket right-angle cleaning jig, the angle cleaning knife comprises a knife body, an upper knife and a lower knife; the arc-shaped bulge part on the lower side of the upper knife is fixed in the arc-shaped groove on the upper side of the knife body, the arc-shaped bulge part on the upper side of the lower knife is fixed in the arc-shaped groove on the lower side of the knife body, and the lower side of the lower knife is provided with a strip-shaped convex cutting edge; the width of the upper cutter and the width of the lower cutter are both smaller than the width of the cutter body by a preset value, and the first opening penetrates through the upper cutter and the cutter body.

In the socket right angle cleaning jig, the cutter body and the cutting edge at the end part of the cutter edge are both recessed inwards, and the end part of the cutter tail is a plane.

In socket right angle clearance tool, the clearance subassembly still includes spring clamp plate and 2 springs, the one end of 2 springs is inserted respectively in the spring hole of slider lower part left and right sides, one side of recess is equipped with dress spring groove, and the other end of 2 springs stretches out and puts in dress spring groove from the slider, spring clamp plate covers the spring and fixes on dress spring groove.

In the socket right angle clearance tool, drive assembly includes cylinder and backup pad, the cylinder is fixed in the backup pad, the backup pad fix in the inclined groove of bottom plate and with the corner post butt on the bottom plate one corner, the pole head of connecting rod inserts in the mounting hole of cylinder.

In the socket right angle cleaning jig, the outline of the angle cleaning knife is the same as that of the right angle, and the angle cleaning knife is in clearance fit with the right angle.

Compared with the prior art, the socket right-angle cleaning jig provided by the utility model is used for cleaning the right angle of the socket on the inner casing, and comprises a bottom plate, wherein a clamping assembly, a cleaning assembly and a driving assembly are arranged on the bottom plate; a pneumatic valve is arranged on one side of the bottom plate, the pneumatic valve is pneumatically connected with a driving assembly, and the cleaning assembly is connected with the driving assembly; the clamping assembly is used for fixedly clamping the inner shell on the bottom plate, the pneumatic valve controls the driving assembly to slide when being opened, and the driving assembly drives the cleaning assembly to synchronously slide into the socket of the inner shell for right-angle cleaning; and when the pneumatic valve is used for air exchange, the driving assembly is controlled to return, the driving assembly drives the cleaning assembly to reversely and synchronously slide, and the cleaning assembly exits from the socket of the inner shell. The right angle that drives clearance subassembly through the pneumatic valve indirectly clears up the socket, and the operation is very simple and can clear up fast, can satisfy the demand that socket processing was cleared up in batches, can not cause the surface burn that discharge machining leads to, need not the manual work and just can clear up the right angle, still can not injure the staff or make bad inner casing, and the right angle processing of having solved current socket needs the manual work to polish the problem that influences machining efficiency.

Drawings

Fig. 1 is a schematic view of a conventional internal housing.

Fig. 2 is the utility model provides a socket right angle clearance tool's schematic diagram.

Fig. 3 is an exploded view of the socket right angle cleaning jig provided by the utility model.

Fig. 4 is the utility model provides a connecting rod round pin, jump ring and ring groove's schematic diagram in socket right angle clearance tool.

Fig. 5 is a schematic view of the corner cleaning knife in the socket right angle cleaning jig provided by the utility model.

Fig. 6 is the utility model provides a 5 visual angle schematic diagrams of corner cleaning sword in socket right angle clearance tool.

Detailed Description

The utility model provides a socket right angle clearance tool. In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Therefore, based on the above, we developed a device for cleaning the right angle of the socket to solve the above problems.

Referring to fig. 1, fig. 2 and fig. 3, a socket right-angle cleaning jig according to an embodiment of the present invention is mainly suitable for right-angle cleaning of a socket 101 (especially, a square groove socket, or an interface) of an inner housing 100 of an optical communication device, and includes a bottom plate 1, a clamping assembly, a cleaning assembly and a driving assembly are disposed on the bottom plate 1, a pneumatic valve 2 is disposed on one side of the bottom plate 1, the pneumatic valve 2 is pneumatically connected to the driving assembly, and the cleaning assembly is connected to the driving assembly; the clamping assembly is used for fixedly clamping the inner shell 100 on the bottom plate 1, the pneumatic valve 2 controls the driving assembly to slide when the air is turned on, and the driving assembly drives the cleaning assembly to synchronously slide into the socket of the inner shell 100 for right-angle cleaning; when the pneumatic valve 2 is used for ventilation, the driving assembly is controlled to return, and the driving assembly drives the cleaning assembly to reversely and synchronously slide to the socket, through which the cleaning assembly exits the inner casing 100.

Come indirect drive clearance subassembly to clear up the right angle of socket through pneumatic valve 2, the operation is very simple and can clear up fast, can satisfy the demand that socket processing was cleared up in batches, can not cause the surface burn that discharge machining leads to, the surface that need not artifical burn of polishing just can accomplish right angled clearance, still can not hinder the hand of people or make bad inner casing, the right angle of having solved current socket adopts discharge machining to need the artifical surface (promptly the machined surface) of polishing the burn and influences machining efficiency's problem.

In this embodiment, the clamping assembly includes: the rapid clamp 3, the clamp cushion block 4 and the positioning plate 5; the positioning plate 5 is fixed (screwed) on one side of the bottom plate 1 (the left and lower area as shown in fig. 2), the clamping cushion block 4 is fixed (screwed) on one side of the positioning plate 5 (the longer side of the positioning plate 5 as shown in fig. 2), and the base of the quick clamp 3 is fixed (screwed) on the clamping cushion block 4.

The clamp pad 4 is used to fix the quick clamp 3 on the bottom plate 1, and the positioning plate 5 is used to position and fix the inner housing 100. The periphery contour of the positioning plate 5 is matched with the shell edge of the inner casing 100, the positioning plate 5 is provided with a plurality of slots 6 (for avoiding each protrusion in the inner cavity) matched with the protrusions 102 in the inner cavity of the inner casing 100, therefore, when the inner cavity of the inner casing 100 covers the positioning plate 5 downwards, the inner casing 100 can completely cover the positioning plate 5 and be clamped on the positioning plate 5 by combining the slots 6 due to the matching of the periphery contour with the shell edge, and the inner casing 100 can be further positioned and fixed through the grooves and the protrusions on the periphery contour. Then, the handle 7 of the rapid clamp 3 is operated to lower and compress the pressing head 8 of the rapid clamp 3, so that the inner casing 100 is clamped between the pressing head 8 and the positioning plate 5, and the clamping speed is high and the clamping effect is good.

In this embodiment, the cleaning assembly includes a corner cleaning knife 9, a connecting rod 10, a connecting rod pin 11, 2 snap springs 12, a sliding block 21, 2 fixing blocks 22 and a sliding limiting block 23; the sliding block 21 is installed in a groove of the bottom plate through 2 fixing blocks 22, a knife edge of the corner cleaning knife 9 is inserted into a guide groove at the upper part of the sliding block 21, a sliding limiting block 23 penetrates through the middle part of the corner cleaning knife 9 and is inserted into a limiting through groove 26 at the top part of the sliding block 21, a knife tail of the corner cleaning knife 9 is installed between two clamping arms of the connecting rod 10 through a connecting rod pin 11, 2 clamping springs 12 are installed at two ends of the connecting rod pin 11 to fix the connecting rod pin on the connecting rod, and a rod head of the connecting rod 10 is inserted into a driving.

Referring to fig. 4, the angle clearing knife 9, the connecting rod 10 and the connecting rod pin 11 are connected in the following manner: be equipped with first trompil 14 on the sword tail of clear angle sword 9, be equipped with respectively on two arm locks of connecting rod 10 one with the second trompil 15 of first trompil adaptation, the sword tail of clear angle sword 9 is put into between two arm locks and first trompil aligns with the second trompil, connecting rod round pin 11 passes first trompil and second trompil and stretches out from two second trompils, 2 jump rings 12 card can fix the connecting rod round pin on the connecting rod on the ring recess 13 at connecting rod round pin both ends.

When the driving component drives the connecting rod 10 to move forwards, the angle cleaning knife 9 is driven to move forwards to penetrate through the guide groove in the middle of the sliding block 21 and be inserted into the right angle for cleaning; when the driving connecting rod 10 moves backwards, the angle clearing knife 9 is driven to move backwards and reset, and the angle clearing knife exits from the guide groove.

The slider 21 is installed in the recess 24 (rectangle) of bottom plate 1 through fixed block 22, is about to put slider 21 in recess 24, and 2 fixed blocks 22 insert respectively 2 logical grooves 24 of slider 21 (be located the left and right sides at the top of slider 21) and fixed (the spiro union is fixed) in the tank bottom of recess 24, and slider 21 can slide in recess 24. The slider 21 is used for controlling the flexible position of clear angle sword 9, and clear up in the tool bit of clear angle sword 9 passes the guide way on slider 21 upper portion and inserts the right angle, and then the height of guide way and left and right sides distance and right angle are relative on bottom plate 1, just so can ensure that clear angle sword 9 can insert the right angle completely, improve the position precision between clear angle sword 9 and the right angle.

The fixed block 22 is used for fixing the sliding direction of the slider 21 and limiting the slider to jump up, that is, the length of the fixed block 22 (the fixed block 22 is in a T-shaped structure, and the length of the transverse top is mainly smaller than that of the through groove 23 by a preset value), so that the slider 21 cannot slide any more after being blocked by two ends of the top of the fixed block 22 when sliding back and forth, and the slider 21 is limited.

The sliding limiting block 23 is installed on the corner cleaning knife 9, the guide groove is communicated with the limiting through groove 26, the corner cleaning knife 9 is inserted into the guide groove during installation, the third opening 20 formed in the middle of the corner cleaning knife is aligned with the limiting through groove 26, the lower end of the cylindrical sliding limiting block 23 penetrates through the limiting through groove 26 and is inserted into the third opening 20, and the upper end of the sliding limiting block 23 is located in the limiting through groove 26, so that the sliding limiting block 23 can slide back and forth in the limiting through groove 26, because the lower end of the sliding limiting block 23 is inserted into the corner cleaning knife 9, after the upper end of the sliding limiting block 23 is blocked by two ends of the limiting through groove 26, the corner cleaning knife 9 cannot extend forwards or retreat, the extending position of the corner cleaning knife 9 is limited, and the corner cleaning knife 9 is prevented from extending too long to damage other structures.

The angle clearing cutter 9 is used for clearing an R angle (a fillet), a C pin (a 45-degree angle) or an irregular step left after socket machining; the connecting rod 10 is used for fixing the angle clearing knife 9 and driving the angle clearing knife 9 to slide according to the action of the driving component. Referring to fig. 5 and 6, the middle 3 drawings in fig. 6 are respectively a side view (with the cutting edge 19 facing downward), a bottom view, another side view (with the cutting edge 19 facing upward), a left side view (with the cutting edge being a schematic cross-sectional view), and a right side view (with the cutter tail being a schematic cross-sectional view) of the angle clearing cutter 9 from top to bottom.

The profile of the angle clearing cutter 9 is the same as that of the right angle, but the size is slightly small so as to be suitable for being inserted and pulled along the inner wall of the right angle in the right angle, namely, the angle clearing cutter 9 is in clearance fit with the right angle, the clearance (unilateral clearance) between the angle clearing cutter 9 and the right angle is 0.02-0.05 mm, and the angle clearing cutter is inserted into the right angle for plunge milling, so that the right angle can be cleared. Taking the socket 101 shown in fig. 1 as an example, the angle clearing cutter 9 comprises a cutter body 16, an upper cutter 17 and a lower cutter 18; the arc-shaped convex part at the lower side of the upper knife 17 is fixed in the arc-shaped groove at the upper side of the knife body 16, the arc-shaped convex part at the upper side of the lower knife 18 is fixed in the arc-shaped groove at the lower side of the knife body 16, and the lower side of the lower knife 18 is provided with a strip-shaped convex cutting edge 19; the widths of the upper cutter 17 and the lower cutter 18 are both smaller than the width of the cutter body 16 by a preset value W, so that a step surface is formed on the upper side and the lower side of the cutter body 16, the first opening 14 penetrates through the upper cutter and the cutter body, and the third opening 20 penetrates through the upper cutter, the cutter body, the lower cutter and the cutting edge. As shown in fig. 6, the blade body 16 and the blade edge 19 at the edge end are both concave inwards, so that a sharp corner or arc is formed to facilitate cleaning; the end part of the knife tail is a plane.

In order to avoid that the sliding block 21 is loosened due to the fact that the corner cleaning knife 9 continues to extend forwards when the sliding block 21 extends forwards to the sliding limiting block 23, the cleaning assembly further comprises 2 springs 27 and 1 spring pressing plate 28, one ends of the 2 springs 27 are respectively inserted into spring holes on the left side and the right side of the lower portion of the sliding block 21, one side of the groove 24 is provided with a spring installing groove 31 with a width smaller than that of the groove 24, the other ends of the 2 springs 27 extend out of the sliding block 21 and are placed in the spring installing groove 31, and the spring pressing plate 28 covers the springs and is fixed on the pressing plate groove 31 (namely, two screw holes are formed in the pressing plate groove 31, and the spring pressing plate 28 is fixed with the pressing plate groove 31 in a threaded mode and clamps the other.

The elastic force of the spring 27 can push the sliding block 21, so that the sliding block 21 can effectively contact with the inner casing 110 without loosening. Spring hold down 28 is used to cover the springs and prevent them from jumping out.

With continued reference to fig. 2 and 3, the driving assembly includes a cylinder 29 and a support plate 30, the cylinder 29 is fixed (screwed) on the support plate 30, the support plate 30 is fixed (screwed) in the inclined groove 32 of the base plate and abuts against the corner post 25 on one corner of the base plate, and the rod head of the connecting rod 10 is inserted into the mounting hole of the cylinder 29.

Wherein, pneumatic valve control cylinder promotes or withdraws the connecting rod, and the connecting rod can drive the clear angle sword and stretch out and draw back. The support plate 30 is used to fix the cylinder. The height of the inclined groove 32 is equal to or less than (a few millimeters less than) the height from the bottom of the cylinder 29 to the bottom of the mounting hole, so that the cylinder can drive the connecting rod 10 to extend and retract on the bottom plate and abut against the cylinder through the wall of the inclined groove 32, and the displacement of the cylinder during working is avoided.

With reference to fig. 1 to fig. 6, the processing principle of the socket right-angle cleaning fixture is as follows: the inner cavity of the inner casing 100 is covered downwards on the positioning plate 5, the handle 7 of the quick clamp 3 is operated to lower the pressing head 8, and the inner casing 100 is clamped between the pressing head 8 and the positioning plate 5. And then the pneumatic valve is opened, the air cylinder 29 pushes the connecting rod to slide, the sliding block and the corner cleaning knife 9 are driven to slide until the corner cleaning knife 9 is inserted into the right angle of the socket of the inner shell, and the R angle, the C pin or the irregular step can be cleaned when the corner cleaning knife is inserted.

When the pneumatic valve takes a breath, the connecting rod is retracted by the air cylinder to drive the sliding block and the corner cleaning knife to retract together, the corner cleaning knife is removed from the socket, the pressing head 8 is lifted by the operating handle 7, and then the inner shell can be taken out. If the effect of cleaning once is found to be poor, the inner shell can be placed into the inner shell again, and the pneumatic valve is controlled for multiple times, so that the corner cleaning knife is inserted and withdrawn for multiple times, and the corner cleaning knife is cleaned for multiple times.

To sum up, the utility model provides a pair of socket right angle clearance tool only needs to put into the locating piece with the inner casing in, fixed with the inner casing with pressing from both sides fast, opens the pneumatic valve again, extends before the clear angle sword of cylinder drive and inserts and mill the processing and can realize the clear angle function in the right angle, closes pneumatic valve rear cylinder and resets, can take out the inner casing. Compared with the existing angle cleaning mode of electric discharge machining, the angle cleaning method has the advantages that a copper tool is not required to be additionally machined, the machined surface is not required to be manually polished, the operation is convenient, the cleaning speed is high, the working efficiency is greatly improved, the machined surface smoothness is better than that of electric discharge machining, and tens of thousands of products can be machined by one angle cleaning tool, so that the angle cleaning method is suitable for batch machining, and the machining cost is reduced.

The division of the functional modules is only used for illustration, and in practical applications, the functions may be distributed by different functional modules according to needs, that is, the functions may be divided into different functional modules to complete all or part of the functions described above.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.

Claims (10)

1. A socket right-angle cleaning jig is used for cleaning a right angle of a socket on an inner casing and is characterized by comprising a bottom plate, wherein a clamping assembly, a cleaning assembly and a driving assembly are arranged on the bottom plate; a pneumatic valve is arranged on one side of the bottom plate, the pneumatic valve is pneumatically connected with a driving assembly, and the cleaning assembly is connected with the driving assembly;

the clamping assembly is used for fixedly clamping the inner shell on the bottom plate, the pneumatic valve controls the driving assembly to slide when being opened, and the driving assembly drives the cleaning assembly to synchronously slide into the socket of the inner shell for right-angle cleaning; and when the pneumatic valve is used for air exchange, the driving assembly is controlled to return, the driving assembly drives the cleaning assembly to reversely and synchronously slide, and the cleaning assembly exits from the socket of the inner shell.

2. The socket right angle cleaning jig of claim 1, wherein the clamping assembly comprises: the rapid clamp, the clamp cushion block and the positioning plate; the positioning plate is fixed on one side of the bottom plate, the clamping cushion block is fixed on one side of the positioning plate, and the base of the quick clamp is fixed on the clamping cushion block;

the inner cavity of the inner shell covers the positioning plate downwards, and the pressing head of the quick clamp descends to clamp the inner shell between the pressing head and the positioning plate.

3. The socket right angle cleaning jig according to claim 2, wherein the cleaning assembly comprises a right angle cleaning cutter, a connecting rod pin, 2 clamp springs, a sliding block, 2 fixing blocks and a sliding limiting block, wherein the right angle cleaning cutter is used for performing plunge milling on a right angle; the slider is installed in the recess of bottom plate through 2 fixed blocks, the edge of a knife of clear angle sword inserts in the guide way on slider upper portion, and the slip stopper passes the middle part of clear angle sword and inserts in the spacing logical groove at slider top, and the sword tail of clear angle sword passes through the connecting rod round pin and installs between two arm lock of connecting rod, and 2 jump rings 2 are installed at the both ends of connecting rod round pin in order to fix the connecting rod round pin on the connecting rod, and the pole head of connecting rod inserts drive assembly.

4. The socket right angle cleaning jig of claim 3, wherein a first opening is formed in the tool tail of the angle cleaning tool, a second opening matched with the first opening is formed in each of the two clamping arms of the connecting rod, the tool tail of the angle cleaning tool is placed between the two clamping arms, the first opening is aligned with the second opening, the connecting rod pin passes through the first opening and the second opening and extends out of the two second openings, and 2 clamp springs are clamped in the ring grooves at the two ends of the connecting rod pin.

5. The socket right-angle cleaning jig according to claim 3, wherein the guide groove is communicated with the limiting through groove, the corner cleaning knife is inserted into the guide groove, a third opening formed in the middle of the corner cleaning knife is aligned with the limiting through groove, the lower end of the cylindrical sliding limiting block passes through the limiting through groove and is inserted into the third opening, and the upper end of the sliding limiting block is located in the limiting through groove.

6. The socket right-angle cleaning jig according to claim 3, wherein the angle cleaning knife comprises a knife body, an upper knife and a lower knife; the arc-shaped bulge part on the lower side of the upper knife is fixed in the arc-shaped groove on the upper side of the knife body, the arc-shaped bulge part on the upper side of the lower knife is fixed in the arc-shaped groove on the lower side of the knife body, and the lower side of the lower knife is provided with a strip-shaped convex cutting edge; the width of the upper cutter and the width of the lower cutter are both smaller than the width of the cutter body by a preset value, and the first opening penetrates through the upper cutter and the cutter body.

7. The socket right angle cleaning jig of claim 5, wherein the cutter body and the cutting edge of the knife edge end portion are both recessed inwardly, and the end portion of the knife tail is a flat surface.

8. The socket right-angle cleaning jig according to claim 5, wherein the cleaning assembly further comprises a spring pressing plate and 2 springs, one ends of the 2 springs are respectively inserted into the spring holes on the left side and the right side of the lower portion of the sliding block, one side of the groove is provided with a spring mounting groove, the other ends of the 2 springs extend out of the sliding block and are placed in the spring mounting groove, and the spring pressing plate covers the springs and is fixed on the spring mounting groove.

9. The socket right-angle cleaning jig according to claim 8, wherein the driving assembly includes a cylinder fixed to the support plate and a support plate fixed to the inclined groove of the bottom plate and abutting against a corner post at one corner of the bottom plate, and a rod head of the connecting rod is inserted into the mounting hole of the cylinder.

10. The socket right angle cleaning jig of claim 3, wherein the profile of the angle cleaning knife is the same as the profile of the right angle, and the angle cleaning knife is in clearance fit with the right angle.

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