Tuyere sleeve lathe tool

Abstract

The utility model discloses a tuyere sleeve lathe tool which is characterized by comprising a supporting seat, an annular fixing seat, an inclined annular disc, a taper sleeve and a downward-pressing fastening mechanism, wherein the middle of a tuyere sleeve can be hung on the taper sleeve, and the downward-pressing fastening mechanism can fix the position of the tuyere sleeve in the vertical direction. A tuyere sleeve containing cavity capable of containing the lower half section of the tuyere sleeve is formed in the supporting seat, an opening is formed in the top of the tuyere sleeve containing cavity, the annular fixing seat is installed on the top of the supporting seat, the inclined annular disc is installed on the annular fixing seat, the upper surface of the inclined annular disc is an inclined face, the taper sleeve is installed on the inclined face, and an inner cavity of the taper sleeve is communicated with the tuyere sleeve containing cavity. The downward pressing fastening mechanism is installed on the supporting base, the lower portion of the downward pressing fastening mechanism is located in the tuyere sleeve containing cavity, and the upper portion of the downward pressing fastening mechanism is located in the taper sleeve. According to the tuyere sleeve lathe tool, it can be guaranteed that the center line of the lathe spindle coincides with the center line of the flange, vibration, shaking or dislocation of the tuyere sleeve in the machining process is prevented, and the machining precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe auxiliary equipment, especially a kind of wind port sleeve lathe frock. BACKGROUND

[0002] The wind port sleeve generally includes a flange, an inner sleeve, an outer sleeve and a flow guide, the outer sleeve is sleeved outside the inner sleeve, the rear end of the outer sleeve and the rear end of the inner sleeve are fixedly connected with the flange, the outer sleeve, the inner sleeve and the flange enclose an internal cavity, and the flow guide is arranged in the internal cavity; there is an included angle between the center line of the flange and the center line of the hot air channel (the center line of the outer wall of the outer sleeve coincides with the center line of the hot air channel). After the wind port sleeve is assembled, an outer assembly surface and an inner assembly surface need to be machined on the flange, and the outer assembly surface and the inner assembly surface are both rotary surfaces with the center line of the flange as the axis.

[0003] At present, the outer wall of the wind port sleeve is clamped by a lathe chuck, and the wind port sleeve is rotated by the lathe to perform fine machining on the outer assembly surface and the inner assembly surface of the flange. Since there is an included angle between the center line of the outer wall of the outer sleeve and the center line of the flange, it is difficult to ensure that the center line of the main shaft of the lathe coincides with the center line of the flange, and the wind port sleeve is prone to vibration, shaking or misplacement during machining, which affects the machining precision. UTILITY MODEL CONTENT

[0004] The utility model solves the problem of providing a wind port sleeve lathe frock, which can ensure that the center line of the main shaft of the lathe coincides with the center line of the flange, prevent the wind port sleeve from vibrating, shaking or misplacing during machining, and improve the machining precision.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A wind port sleeve lathe frock, characterized by comprising a support seat, an annular fixing seat, an inclined annular disc, a tapered sleeve capable of supporting the middle part of the wind port sleeve, and a downward pressing fastening mechanism capable of fixing the position of the wind port sleeve from top to bottom; the support seat is provided with a wind port sleeve cavity capable of accommodating the lower half of the wind port sleeve, the top of the wind port sleeve cavity has an opening, the annular fixing seat is installed on the top of the support seat, the inclined annular disc is installed on the annular fixing seat, the upper surface of the inclined annular disc is an inclined surface, the tapered sleeve is installed on the inclined surface, and the inner cavity of the tapered sleeve communicates with the wind port sleeve cavity; the downward pressing fastening mechanism is installed on the support seat, the lower part of the downward pressing fastening mechanism is in the wind port sleeve cavity, and the upper part of the downward pressing fastening mechanism is in the tapered sleeve.

[0007] The wind port sleeve needs to be placed vertically, the large opening end of the wind port sleeve is arranged upward, the small opening end of the wind port sleeve is arranged downward, and the flange is arranged upward.

[0008] Generally, the angle between the upper surface of the above-mentioned inclined annular disc and its lower surface is equal to the angle between the center line of the flange and the center line of the hot air passage.

[0009] Before use, the support seat is installed on the lathe, the support seat is connected with the main shaft of the lathe, the axis of the support seat coincides with and is fixed with the main shaft of the lathe. When in use, the small opening end of the tuyere sleeve to be machined is placed into the taper sleeve, the inner wall of the taper sleeve supports the middle part of the outer wall of the tuyere sleeve, the inner wall of the taper sleeve is in close contact with the outer wall of the tuyere sleeve, which can avoid slight vibration or shaking of the tuyere sleeve during rotation, thereby improving the machining precision of the tuyere sleeve. At this time, the lower half of the tuyere sleeve is in the tuyere sleeve cavity of the support seat, and the upper part of the pressing and fastening mechanism is in the hot air passage of the tuyere sleeve. Since the upper surface of the inclined annular disc is an inclined surface, the taper sleeve installed on the inclined surface is inclined, the upper part of the pressing and fastening mechanism is in contact with the inner wall of the hot air passage of the tuyere sleeve, the position of the tuyere sleeve is fixed from the top and bottom directions, the tuyere sleeve is kept in a special inclined shaft shape when placed vertically, and the center line of the flange of the tuyere sleeve coincides with the center line of the main shaft of the lathe; finally, the main shaft of the lathe drives the whole tuyere sleeve lathe tool and the tuyere sleeve thereon to rotate, and the outer assembly surface and the inner assembly surface of the tuyere sleeve are precisely machined.

[0010] The tuyere sleeves with the same outer sleeve taper can share one taper sleeve; the tuyere sleeves with different outer sleeve tapers can replace different taper sleeves. The tuyere sleeves with the same inclination can share one inclined annular disc; the tuyere sleeves with different inclinations can replace different inclined annular discs. Thus, full coverage of precision machining of various specifications of tuyere sleeves is realized.

[0011] In the preferred embodiment, the upper end opening outer edge of the taper sleeve is provided with a limiting ring, the limiting ring is hung on the inclined surface, and the lower surface of the limiting ring is in contact with the inclined surface. Through this arrangement, the taper sleeve can be stably installed on the inclined annular disc.

[0012] In the preferred embodiment, the annular fixing seat is provided with a rectangular cavity capable of accommodating the inclined annular disc, the inclined annular disc is in the rectangular cavity. Through this arrangement, the inclined annular disc can be stably installed on the annular fixing seat.

[0013] In the further preferred embodiment, an inner wall lower edge of the rectangular cavity is provided with a guide protrusion, the upper surface of the guide protrusion is higher than the bottom surface of the rectangular cavity, and one side surface of the inclined annular disc is in contact with one side surface of the guide protrusion. The guide protrusion can limit and guide the inclined annular disc, thereby improving the installation precision of the inclined annular disc.

[0014] In a further preferred solution, a first screw hole is arranged on one side surface of the inclined annular disc, the first screw hole is parallel to the guide convex strip, a first screw bolt is rotatably arranged on the annular fixing seat, and the first screw bolt is screwed with the first screw hole. Generally, there is a certain gap between the inclined annular disc and the inner wall of the rectangular cavity under the limitation of the guide convex strip. When the first screw bolt is rotated, the depth of the first screw bolt screwed into the first screw hole can be adjusted, and then the position of the inclined annular disc in the rectangular cavity is adjusted under the limitation of the guide convex strip, so that the position of the inclined annular disc in the rectangular cavity is finely adjusted.

[0015] In a further preferred solution, a first gap is arranged on the opening edge of the rectangular cavity for the first screw bolt to pass through, first clamping grooves are respectively arranged on two opposite side walls of the first gap, two first positioning blocks are inserted into the two first clamping grooves and are stacked and spliced in an up-down manner, first limiting notches are respectively arranged on opposite edges of the two first positioning blocks, the two first limiting notches are spliced into a first limiting hole, and a first annular groove is arranged on the rod portion of the first screw bolt, and the first limiting hole is located in the first annular groove. Through cooperation of the two first positioning blocks stacked and spliced in an up-down manner and the first annular groove on the rod portion of the first screw bolt, the first screw bolt can be rotatably arranged on the annular fixing seat.

[0016] In a further preferred solution, at least one sliding groove is arranged on the upper end surface of the support seat, at least one sliding rail matched with the sliding groove is arranged on the lower end surface of the annular fixing seat, the sliding rail is located in the sliding groove and can move horizontally in the sliding groove, an adjusting block is arranged on one side wall of the annular fixing seat, a second screw hole is arranged on the adjusting block, the direction of the second screw hole is perpendicular to the direction of the first screw hole and parallel to the sliding rail, a second gap is arranged on the opening edge of the tuyere sleeve cavity for the adjusting block to pass through, an adjusting seat is arranged on the outer wall of the support seat, the adjusting seat is located on the outer side of the second gap, a second screw bolt is rotatably arranged on the adjusting seat, and the second screw bolt is screwed with the second screw hole. When the second screw bolt is rotated, the depth of the second screw bolt screwed into the second screw hole can be adjusted, and then the position of the sliding rail on the annular fixing seat in the sliding groove is adjusted, so that the position of the annular fixing seat is calibrated, and the accurate positioning of the tuyere sleeve in the horizontal direction can be quickly realized, so that the center line of the flange of the tuyere sleeve coincides with the center line of the main shaft of the lathe.

[0017] In a further preferred solution, a third gap is arranged on the adjusting seat for the second screw bolt to pass through, the third gap corresponds to the second gap, second clamping grooves are respectively arranged on two opposite side walls of the third gap, two second positioning blocks are inserted into the two second clamping grooves and are stacked and spliced in an up-down manner, second limiting notches are respectively arranged on opposite edges of the two second positioning blocks, the two second limiting notches are spliced into a second limiting hole, and a second annular groove is arranged on the rod portion of the second screw bolt, and the second limiting hole is located in the second annular groove. Through cooperation of the two second positioning blocks stacked and spliced in an up-down manner and the second annular groove on the rod portion of the second screw bolt, the second screw bolt can be rotatably arranged on the adjusting seat.

[0018] Still further preferred, the sliding slot is a dovetail slot, and the cross section of the sliding rail is dovetail-shaped.

[0019] In a preferred embodiment, the downward pressing fastening mechanism comprises a screw rod, a nut and a pressing disc, the screw rod is vertically installed on the center of the bottom of the tuyere sleeve accommodating cavity, the center of the pressing disc is provided with a first through hole through which the screw rod passes, the pressing disc is sleeved on the screw rod through the first through hole, and the nut is threadedly connected with the upper half of the screw rod and is located above the pressing disc. The screw rod serves as a connecting piece, the upper half of the screw rod passes through the first through hole of the pressing disc, then the nut is threadedly connected with the upper half of the screw rod and is located above the pressing disc, the pressing disc is pressed downward by tightening the nut, the periphery of the pressing disc is tightly attached to the inner wall of the hot air passage of the tuyere sleeve, and then the tuyere sleeve is pressed and fixed in the upward and downward direction.

[0020] In a preferred embodiment, the support base comprises a base and a supporting sleeve, the supporting sleeve is installed on the base, and the inner wall of the supporting sleeve and the upper surface of the base jointly form the tuyere sleeve accommodating cavity. The support base is designed as a split structure of the base and the supporting sleeve, so that the assembly and maintenance of the support base are facilitated.

[0021] In a further preferred embodiment, a counterweight is arranged on the outer wall of the supporting sleeve, a second through hole is arranged on the side wall of the supporting sleeve opposite to the counterweight, the second through hole is located on the same side of the highest point of the inclined surface, and the counterweight is located on the same side of the lowest point of the inclined surface. The counterweight is arranged at the high point of the inclined surface, and the counterweight is arranged at the low point of the inclined surface, so that the balance is adjusted, and the problem of eccentric load when the tuyere sleeve is processed in the inclined form is solved.

[0022] Compared with the prior art, the utility model has the advantages of:

[0023] The tuyere sleeve lathe tool is directly connected with the main shaft of the lathe, the whole tuyere sleeve lathe tool and the tuyere sleeve thereon are rotated by the lathe, the traditional lathe chuck is replaced, the tuyere sleeve is precisely machined in the vertical position mode under the cooperation of the outer limiting of the taper sleeve and the inner tensioning of the downward pressing fastening mechanism, the axis of the tuyere sleeve is prevented from deviating in the machining process, and the machining precision of the tuyere sleeve is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structure schematic view of the utility model embodiment;

[0025] Figure 2 is Figure 1 is a disassembled structure schematic view of the inclined annular disc and the taper sleeve in the utility model embodiment;

[0026] Figure 3 is a structure schematic view of the utility model embodiment in which a tuyere sleeve is placed on a lathe tool;

[0027] Figure 4 is another structure schematic view of the embodiment of the utility model for placing another tuyere sleeve on the lathe tooling;

[0028] Figure 5 is the three-dimensional structure schematic view (hidden slope annular disc) of the embodiment of the utility model for tuyere sleeve lathe tooling;

[0029] Figure 6 is Figure 5 the disassembled state structure schematic view of the support seat and the annular fixing seat;

[0030] Figure 7 is Figure 5 the top view;

[0031] Figure 8 is Figure 7 the enlarged schematic view of A in the embodiment;

[0032] Figure 9 is Figure 7 the enlarged schematic view of B in the embodiment;

[0033] Figure 10 is Figure 7 the structure schematic view of the first positioning block and the second positioning block which are stacked and spliced in the embodiment. DETAILED DESCRIPTION

[0034] The utility model will be specifically described below in combination with the drawings and specific embodiments.

[0035] As Figures 1-6 shown, the tuyere sleeve lathe tooling in the embodiment comprises a support seat 1, an annular fixing seat 2, a slope annular disc 3, a taper sleeve 5 capable of hanging the middle part of the tuyere sleeve 4, and a downward pressing fastening mechanism 6 capable of fixing the position of the tuyere sleeve 4 from the top and bottom directions; the support seat 1 is provided with a tuyere sleeve cavity 11 capable of accommodating the lower half of the tuyere sleeve 4, the tuyere sleeve cavity 11 has an opening at the top, the annular fixing seat 2 is installed on the top of the support seat 1, the slope annular disc 3 is installed on the annular fixing seat 2, the upper surface of the slope annular disc 3 is a slope surface 31, the taper sleeve 5 is installed on the slope surface 31, and the inner cavity of the taper sleeve 5 is communicated with the tuyere sleeve cavity 11; the downward pressing fastening mechanism 6 is installed on the support seat 1, the lower part of the downward pressing fastening mechanism 6 is in the tuyere sleeve cavity 11, and the upper part of the downward pressing fastening mechanism 6 is in the taper sleeve 5.

[0036] The tuyere sleeve 4 needs to be placed vertically, the large opening end of the tuyere sleeve 4 is arranged upwards, the small opening end of the tuyere sleeve 4 is arranged downwards, and the flange 41 is arranged upwards.

[0037] Generally, the included angle α between the upper surface of the above-mentioned slope annular disc 3 and the lower surface thereof is equal to the included angle β between the center line 411 of the flange 41 and the center line 421 of the hot air channel 42.

[0038] Before use, the support seat 1 is installed on the lathe, the support seat 1 is connected with the lathe spindle 10, the axis of the support seat 1 coincides with the lathe spindle 10 and is fixed. When in use, the small opening end of the tuyere sleeve 4 to be machined is placed into the taper sleeve 5, the inner wall of the taper sleeve 5 supports the middle part of the outer wall of the tuyere sleeve 4, the inner wall of the taper sleeve 5 is in close contact with the outer wall of the tuyere sleeve 4, which can avoid slight vibration or shaking of the tuyere sleeve 4 during rotation, and improve the machining precision of the tuyere sleeve 4. At this time, the lower half of the tuyere sleeve 4 is in the tuyere sleeve cavity 11 of the support seat 1, the upper part of the pressing and fastening mechanism 6 is in the hot air channel 42 of the tuyere sleeve 4, since the upper surface of the inclined annular disc 3 is an inclined surface 31, the taper sleeve 5 installed on the inclined surface 31 is inclined, the upper part of the pressing and fastening mechanism 6 is in contact with the inner wall of the hot air channel 42 of the tuyere sleeve 4, which fixes the position of the tuyere sleeve 4 from top to bottom, keeps the tuyere sleeve 4 in a unique inclined shaft shape when placed vertically, and makes the center line of the flange 41 of the tuyere sleeve 4 coincide with the center line of the lathe spindle 10; finally, the lathe spindle 10 drives the entire tuyere sleeve lathe tool and the tuyere sleeve 4 thereon to rotate, and the outer assembly surface and the inner assembly surface of the tuyere sleeve 4 are precisely machined.

[0039] The tuyere sleeve 4 with the same outer sleeve taper can share one taper sleeve 5; the tuyere sleeve 4 with different outer sleeve tapers can replace different taper sleeves 5. The tuyere sleeve 4 with the same inclination can share one inclined annular disc 3; the tuyere sleeve 4 with different inclinations can replace different inclined annular discs 3. Thus, full coverage of precise machining of various specifications of tuyere sleeves 4 is realized.

[0040] The upper end opening outer edge of the taper sleeve 5 is provided with a limiting ring 51, the limiting ring 51 is hung on the inclined surface 31, and the lower surface of the limiting ring 51 is in contact with the inclined surface 31. Through this arrangement, the taper sleeve 5 can be stably installed on the inclined annular disc 3.

[0041] The annular fixing seat 2 is provided with a rectangular cavity 21 capable of accommodating the inclined annular disc 3, the inclined annular disc 3 is rectangular, and the inclined annular disc 3 is in the rectangular cavity 21. Through this arrangement, the inclined annular disc 3 can be stably installed on the annular fixing seat 2.

[0042] The inner wall lower edge of the rectangular cavity 21 is provided with a guide protrusion 22, the upper surface of the guide protrusion 22 is higher than the bottom surface of the rectangular cavity 21, and one side surface of the inclined annular disc 3 is in contact with one side surface of the guide protrusion 22. The above-mentioned guide protrusion 22 can limit and guide the inclined annular disc 3, and improve the installation precision of the inclined annular disc 3.

[0043] As Figure 7As shown, the side of the inclined annular disc 3 is provided with a first screw hole 32, the first screw hole 32 is parallel to the guide convex strip 22, the annular fixing seat 2 is rotatably provided with a first bolt 23, and the first bolt 23 is screwed with the first screw hole 32. Generally, there is a certain gap between the inclined annular disc 3 and the inner wall of the rectangular cavity 21 under the limitation of the guide convex strip 22. When the first bolt 23 is rotated, the depth of the first bolt 23 screwed into the first screw hole 32 can be adjusted, and then the position of the inclined annular disc 3 in the rectangular cavity 21 is adjusted under the limitation of the guide convex strip 22, so that the position of the inclined annular disc 3 in the rectangular cavity 21 is finely adjusted.

[0044] As shown in Figure 8 , 10 As shown, the opening edge of the rectangular cavity 21 is provided with a first notch 211 for the first bolt 23 to pass through, the two opposite side walls of the first notch 211 are respectively provided with a first clamping groove 212, two first positioning blocks 213 are inserted into the two first clamping grooves 212 and are stacked and spliced in an up-down manner, the opposite edges of the two first positioning blocks 213 are respectively provided with a first limiting notch 214, the two first limiting notches 214 are spliced into a first limiting hole 215, and the rod portion of the first bolt 23 is provided with a first annular groove 231. The first limiting hole 215 is in the first annular groove 231. Through the cooperation of the two first positioning blocks 213 stacked and spliced in an up-down manner and the first annular groove 231 on the rod portion of the first bolt 23, the first bolt 23 can be rotatably installed on the annular fixing seat 2.

[0045] The upper end surface of the support seat 1 is provided with at least one sliding groove 12, the lower end surface of the annular fixing seat 2 is provided with at least one sliding rail 24 matched with the sliding groove 12, the sliding rail 24 is in the sliding groove 12 and can move horizontally in the sliding groove 12; one side wall of the annular fixing seat 2 is provided with an adjusting block 25, the adjusting block 25 is provided with a second screw hole 251, the second screw hole 251 is perpendicular to the direction of the first screw hole 32 and parallel to the sliding rail 24; the opening edge of the tuyere sleeve cavity 11 is provided with a second notch 13 for the adjusting block 25 to pass through, the outer wall of the support seat 1 is provided with an adjusting seat 14, the adjusting seat 14 is located outside the second notch 13, and the second bolt 15 is rotatably installed on the adjusting seat 14 and screwed with the second screw hole 251. When the second bolt 15 is rotated, the depth of the second bolt 15 screwed into the second screw hole 251 can be adjusted, and then the position of the sliding rail 24 on the annular fixing seat 2 in the sliding groove 12 is adjusted, so that the position of the annular fixing seat 2 is calibrated, the accurate positioning of the tuyere sleeve 4 in the horizontal direction can be quickly realized, and the center line of the flange 41 of the tuyere sleeve 4 coincides with the center line of the lathe main shaft 10.

[0046] As shown in Figures 9-10As shown, the adjusting seat 14 is provided with a third gap 141 for the second bolt 15 to pass through, the third gap 141 corresponds to the second gap 13, and the two opposite side walls of the third gap 141 are respectively provided with a second clamping groove 142, and two second positioning blocks 143 are inserted into the two second clamping grooves 142 and are stacked and spliced in an up-down manner, and the opposite edges of the two second positioning blocks 143 are respectively provided with a second limiting gap 144, and the two second limiting gaps 144 are spliced into a second limiting hole 145, and the rod portion of the second bolt 15 is provided with a second annular groove 151, and the second limiting hole 145 is located in the second annular groove 151. Through the cooperation of the two second positioning blocks 143 stacked and spliced in an up-down manner and the second annular groove 151 on the rod portion of the second bolt 15, the second bolt 15 can be rotatably installed on the adjusting seat 14.

[0047] The sliding groove 12 is a dovetail groove, and the cross section of the sliding rail 24 is dovetail-shaped.

[0048] The downward pressing fastening mechanism 6 comprises a screw rod 61, a nut 62 and a pressing disc 63, the screw rod 61 is vertically installed on the center of the bottom of the tuyere sleeve cavity 11, the center of the pressing disc 63 is provided with a first through hole 631 capable of allowing the screw rod 61 to pass through, the pressing disc 63 is sleeved on the screw rod 61 through the first through hole 631, and the nut 62 is threadedly connected with the upper half of the screw rod 61 and is located above the pressing disc 63. The screw rod 61 serves as a connecting piece, the upper half of the screw rod 61 passes through the first through hole 631 of the pressing disc 63, then the nut 62 is threadedly connected with the upper half of the screw rod 61 and is located above the pressing disc 63, and the pressing disc 63 can be pressed downward by tightening the nut 62, so that the peripheral edge of the pressing disc 63 tightly abuts against the inner wall of the hot air passage 42 of the tuyere sleeve 4, thereby pressing the tuyere sleeve 4 and fixing the tuyere sleeve 4 from the top and bottom directions.

[0049] The support seat 1 comprises a base 16 and a supporting sleeve 17, the supporting sleeve 17 is installed on the base 16, and the inner wall of the supporting sleeve 17 and the upper surface of the base 16 jointly form the tuyere sleeve cavity 11. The support seat 1 is designed in a split structure of the base 16 and the supporting sleeve 17, so that the assembly and maintenance of the support seat 1 are facilitated.

[0050] The outer wall of the supporting sleeve 17 is provided with a counterweight 18, the side wall of the supporting sleeve 17 opposite to the counterweight 18 is provided with a second through hole 19, the second through hole 19 is located on the same side of the highest point of the inclined surface 31, and the counterweight 18 is located on the same side of the lowest point of the inclined surface 31. The counterweight 18 is arranged at the low point of the inclined surface 31, and the counterweight 18 is arranged at the high point of the inclined surface 31, so that the balance is adjusted, and the problem of unbalanced force of the tuyere sleeve 4 caused by the inclined shape during processing is solved.

[0051] In addition, it should be noted that the specific embodiments described in the specification, the name of each part, etc. can be different, and any equivalent or simple change made in accordance with the structure, features and principles described in the utility model patent concept is included in the protection scope of the utility model patent. The skilled in the art to which the present application belongs can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as it does not deviate from the structure of the utility model or beyond the scope defined in the claims, which shall belong to the protection scope of the utility model.

Claims

1. A windbox sleeve lathe tooling, characterized by: The application relates to a supporting seat, a ring-shaped fixing seat, an inclined ring-shaped disc, a conical sleeve capable of hanging the middle part of the tuyere sleeve, a lower pressing fastening mechanism capable of fixing the position of the tuyere sleeve from the upper and lower directions, a tuyere sleeve cavity capable of containing the lower half of the tuyere sleeve is arranged on the supporting seat, the top of the tuyere sleeve cavity is provided with an opening, the ring-shaped fixing seat is arranged on the top of the supporting seat, the inclined ring-shaped disc is arranged on the ring-shaped fixing seat, the upper surface of the inclined ring-shaped disc is an inclined surface, the conical sleeve is arranged on the inclined surface, the inner cavity of the conical sleeve is communicated with the tuyere sleeve cavity, the lower pressing fastening mechanism is arranged on the supporting seat, the lower part of the lower pressing fastening mechanism is located in the tuyere sleeve cavity, and the upper part of the lower pressing fastening mechanism is located in the conical sleeve.

2. The windbox sleeve lathe tooling of claim 1, wherein: A limiting ring is arranged on the outer edge of the upper end opening of the conical sleeve, the limiting ring is hung on the inclined surface, and the lower surface of the limiting ring is in contact with the inclined surface.

3. The windbox sleeve lathe tooling of claim 1, wherein: A rectangular cavity capable of containing the inclined ring-shaped disc is arranged on the ring-shaped fixing seat, the inclined ring-shaped disc is rectangular, and the inclined ring-shaped disc is located in the rectangular cavity.

4. The windbox sleeve lathe tooling of claim 3, wherein: A guide convex strip is arranged on the lower edge of an inner wall of the rectangular cavity, the upper surface of the guide convex strip is higher than the bottom surface of the rectangular cavity, and one side surface of the inclined ring-shaped disc is in contact with one side surface of the guide convex strip.

5. The windbox sleeve lathe tooling of claim 4, wherein: A first screw hole is arranged on one side surface of the inclined ring-shaped disc, the direction of the first screw hole is parallel to the guide convex strip, a first bolt is rotatably arranged on the ring-shaped fixing seat, and the first bolt is screwed with the first screw hole.

6. The windbox sleeve lathe tooling of claim 5, wherein: A first gap through which the first bolt passes is arranged on the opening edge of the rectangular cavity, first clamping grooves are respectively arranged on two opposite side walls of the first gap, two first positioning blocks which are stacked upwards and downwards are inserted into the two first clamping grooves, first limiting notches are respectively arranged on opposite edges of the two first positioning blocks, the two first limiting notches are spliced into a first limiting hole, a first annular groove is arranged on the rod of the first bolt, and the first limiting hole is located in the first annular groove.

7. The windbox sleeve lathe tooling of claim 6, wherein: At least one sliding groove is arranged on the upper end surface of the supporting seat, at least one sliding rail matched with the sliding groove is arranged on the lower end surface of the ring-shaped fixing seat, the sliding rail is located in the sliding groove and can move horizontally in the sliding groove, an adjusting block is arranged on one side wall of the ring-shaped fixing seat, a second screw hole is arranged on the adjusting block, the direction of the second screw hole is perpendicular to the direction of the first screw hole and parallel to the sliding rail, a second gap through which the adjusting block passes is arranged on the opening edge of the tuyere sleeve cavity, an adjusting seat is arranged on the outer wall of the supporting seat, the adjusting seat is located outside the second gap, a second bolt is rotatably arranged on the adjusting seat, and the second bolt is screwed with the second screw hole.

8. The windbox sleeve lathe tooling of claim 7, wherein: A third gap through which the second bolt passes is arranged on the adjusting seat, the third gap corresponds to the second gap, second clamping grooves are respectively arranged on two opposite side walls of the third gap, two second positioning blocks which are stacked upwards and downwards are inserted into the two second clamping grooves, second limiting notches are respectively arranged on opposite edges of the two second positioning blocks, the two second limiting notches are spliced into a second limiting hole, a second annular groove is arranged on the rod of the second bolt, and the second limiting hole is located in the second annular groove.

9. The windbox sleeve lathe tooling of claim 1, wherein: The lower pressing fastening mechanism comprises a screw rod, a nut and a pressing disc, the screw rod is vertically installed on the bottom center of the tuyere sleeve accommodating cavity, the center of the pressing disc is provided with a first through hole capable of allowing the screw rod to pass through, the pressing disc is sleeved on the screw rod through the first through hole, and the nut is threadedly connected with the upper half of the screw rod and is located above the pressing disc.

10. The tuyere sleeve lathe tooling of claim 1, wherein: The support seat comprises a base and a supporting sleeve, the supporting sleeve is installed on the base, and the inner wall of the supporting sleeve and the upper surface of the base jointly form the tuyere sleeve accommodating cavity; The outer wall of the supporting sleeve is provided with a counterweight, the side wall of the supporting sleeve opposite to the counterweight is provided with a second through hole, the second through hole is located on the same side of the highest point of the inclined surface, and the counterweight is located on the same side of the lowest point of the inclined surface.

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