CN209718093U - A kind of silicon carbide dies - Google Patents

Abstract

The utility model provides a kind of silicon carbide dies, including fixed pedestal, support column, mounting flange, lower die plate intert through-hole, adjustable to hold out against fixed tabletting structure, anti-skidding receive moves ripping bar structure, and ventilation seal rubber plug structure is adjusted, venthole, upper mold plate, annular gasket support beam column, limit protection cap, longitudinal chute and holding handle.The utility model lower support bar, the setting of torque spring and upper support bar are conducive to carry out telescopic adjustment, convenient to be clamped fixation to upper mold plate and lower die plate；Support base, rotary shaft, mold ripping bar, Anti-slip cover, angled slide block, the setting of yielding rubber column and ejection rubber disc are conducive to carry out loosening at sled to the mold of machine-shaping, increase the convenience of taking-up；First wire lever adjusts the setting of screwed pipe and the second wire lever, is conducive to be tensed so that sealing rubber plug stoppers in venthole, plays the role of sealing.

Description

A kind of silicon carbide dies

Technical field

The utility model belongs to production mould technical field more particularly to a kind of silicon carbide dies.

Background technique

Diamond dust also known as silicon carbide (SiC) are to use quartz sand, petroleum coke (or coal tar), sawdust (when production green silicon carbide Need plus salt) etc. raw materials formed by resistance furnace pyrolytic semlting.There is also rare mineral, Mo Sang in the Nature for silicon carbide Stone.Silicon carbide is also known as moissanite.In the non-oxidized substances high-tech refractory raw material such as contemporary C, N, B, silicon carbide be it is most widely used, Most economical one kind is properly termed as corundum or fire sand.At present Chinese industrial production silicon carbide be divided into black silicon carbide and Two kinds of green silicon carbide, be hexagonal, and specific gravity is 3.20~3.25, and microhardness is 2840~3320kg/mm2.

Mold, be in industrial production to be molded, be blow molded, squeeze out, die casting or the methods of forging and forming, smelting, punching press The various moulds and tool for obtaining required product make blank become the work for having the product of specific shape and size under external force Tool.It is widely used in punching.Sanction, die forging, cold-heading, extruding, metallic sintered products compacting, compression casting and engineering plastics, rubber, pottery In the forming of compression moulding or the injection molding of the products such as porcelain.Mold has specific profile or cavity shape, using with cutting edge Chamfered shape can make blank that separation (punching) occur by profile wire shaped.Blank can be made to obtain using cavity shape corresponding vertical Shape.Mold generally comprises two parts of dynamic model and cover half, and the two is partable.Product is taken out when separating, base is made when closing up Material injection mold cavity forming.Mold is precision instrument, complex-shaped, bears the expansive force of blank, to structural strength, rigidity, table Surface hardness, surface roughness and machining accuracy all have higher requirements, and the development level of mold production is the weight of machine-building level One of indicate.

Silicon carbide articles can be divided into many classes, according to different use environments, be divided into different types.Generally use Mechanically compare more.Such as using on mechanical sealing member, it is properly termed as silicon carbide sealed ring, stationary ring, rotating ring, flat can be divided into Ring etc..Silicon carbide articles of various shapes, such as silicon carbide shaped piece, carbon can also be produced according to the special requirement of client SiClx plate, carborundum ring etc..High rigidity that the silicon carbide ceramics of one of the product of silicon carbide has, highly corrosion resistant and higher Elevated temperature strength the features such as, this is widely used silicon carbide ceramics.

China Patent Publication No. is CN206644116U, invention and created name for a kind of novel silicon carbide mold, including Fixed pedestal and die matrix, the fixed pedestal include weight tray, fixing threaded hole, limiting slot, setting on the right side of fixing threaded hole There is limiting slot, be fixedly connected on the right side of the limiting slot with fixing threaded hole, is fixedly connected above the weight tray with die matrix, The die matrix includes cope plate, lower template, barrel mast, mold slots, bushing, through-hole, is provided with barrel mast below the cope plate, The barrel mast is internally provided with through-hole, is fixedly connected on the outside of the barrel mast with mold slots, is provided with bushing on the outside of the mold slots, It is fixedly connected below the bushing with lower template, is provided with tabletting above the lower template.But existing silicon carbide dies are also There is upper/lower die be connected and fixed it is unadjustable, it has not been convenient to molding die take out and lack ventilation drip-preventing function the problem of.

Therefore, a kind of silicon carbide dies are invented to be very necessary.

Utility model content

In order to solve the above-mentioned technical problem, the utility model provides a kind of silicon carbide dies, to solve existing silicon carbide Mold upper/lower die is connected and fixed unadjustable, it has not been convenient to the problem of taking out to molding die and lacking ventilation drip-preventing function.

A kind of silicon carbide dies, including fixed pedestal, support column, mounting flange, lower die plate intert through-hole, adjustable Section holds out against fixed tabletting structure, and anti-skidding receive moves ripping bar structure, adjustable ventilation seal rubber plug structure, venthole, upper mold plate, Annular gasket, supports beam column, limit protection cap, and longitudinal chute and holding handle, the support column are bolted to fixation respectively The lower surface corner location of pedestal；The mounting flange cross bolts are connected to the lower surface of support column；The lower die Tool crab bolt is connected to the upper surface middle position of fixed pedestal；The interspersed through-hole is provided with the left and right of lower die plate respectively The lower position of two sides；The adjustable front surface left and right sides for holding out against fixed tabletting structure and being separately mounted to fixed pedestal Upper position；The anti-skidding receipts move ripping bar structure and are separately mounted to position at left and right sides of the upper surface of fixed pedestal；It is described Adjustable ventilation seal rubber plug structure be fixed in venthole；The venthole is provided with the bosom of fixed pedestal Position；The upper mold plate sliding is connected in longitudinal chute；The annular gasket is mounted in the inside of fixed pedestal Between position lower position；The support beam column is bolted to the rear surface middle position of fixed pedestal；The longitudinal direction is sliding Slot is provided with the front surface middle position of support beam column；The limit protection cap is socketed in the upper end of support beam column；Described Hold the upper surface middle position that handle is bolted to upper mold plate；It is described that adjustable to hold out against fixed tabletting structure include lower part Support rod, torque spring, upper support bar, pressed seat, tapped through hole, wind and hold out against disk, the top branch at top-fastening rod Strut axle connects the front surface upper position in upper support bar；The torque spring axis connects in lower support bar and upper support The intersection of bar；The pressed seat is welded on the upper end of upper support bar；The tapped through hole is provided with the interior of pressed seat Portion middle position；The wind screw is connected to the upper end of top-fastening rod；The top-fastening rod is threaded in tapped through hole It is interior；The lower end for holding out against valve snail nail and being connected to top-fastening rod.

Preferably, it includes support base, rotary shaft, mold ripping bar, Anti-slip cover, ejection that the anti-skidding receipts, which move ripping bar structure, Block, yielding rubber column and ejection rubber disc, the rotary shaft are movably embedded in the upper inside middle position of support base；Institute The mold ripping bar stated is connected to the rear surface upper position of support base by rotary shaft；The Anti-slip cover is socketed in mold sled The outer surface right positions of bar；The angled slide block is welded on the left end of mold ripping bar；The yielding rubber column is glued to top The upper surface leftward position of block out；The ejection rubber disc is glued to the upper surface of yielding rubber column.

Preferably, the adjustable ventilation seal rubber plug structure includes bottom tray, and the first wire lever adjusts screw thread Pipe, the second wire lever hold out against rubber tube and sealing rubber plug, and first wire lever is bolted to bottom tray respectively Position at left and right sides of upper surface；The adjusting screwed pipe is threaded in the outer surface upper position of the first wire lever；It is described The second wire lever be threaded in adjust screwed pipe upper inside position；The rubber tube that holds out against is glued to bottom tray Upper surface middle position；The sealing rubber plug is glued to the upper inside position for holding out against rubber tube.

Preferably, the lower support bar and fixed pedestal axis connect setting；The lower support bar and upper support Stainless steel is respectively adopted in bar；The pressed seat specifically uses rectangle corrosion resistant plate seat；The top-fastening rod specifically uses Stainless steel wire lever；The disk that holds out against specifically uses circular rubber disc.

Preferably, the support base and fixed pedestal are bolted setting；The angled slide block activity, which is plugged on, wears In insertion hole.

Preferably, the mold ripping bar specifically uses stainless steel；The Anti-slip cover specifically uses cylindrical rubber Gum cover；The outer surface of the Anti-slip cover is provided with cross anti-skid chequer.

Preferably, the rubber tube activity that holds out against is plugged in venthole；Second wire lever and fixed pedestal Lower surface be bolted setting；The sealing rubber plug is bolted to the lower surface of annular gasket.

Preferably, the sealing rubber plug is plugged in venthole.

Preferably, the holding handle specifically uses U-shaped stainless steel rod handle；The mounting flange specifically uses not Become rusty steel flange disk；Threaded hole is provided at left and right sides of the inside of the mounting flange.

Preferably, the rubber cap that the limit protection cap specifically uses one end to seal.

Compared with prior art, the utility model has the following beneficial effects:

1. in the utility model, the lower support bar, the setting of torque spring and upper support bar, be conducive into Row telescopic adjustment, it is convenient that fixation is clamped to upper mold plate and lower die plate.

2. in the utility model, the wind, top-fastening rod and the setting for holding out against disk are conducive to according to upper mold plate It is different with the thickness of lower die plate to be clamped fixation.

3. in the utility model, the disk that holds out against specifically uses circular rubber disc, be conducive to play to silicon carbide mould The effect of the protection of tool.

4. in the utility model, the support base, rotary shaft, mold ripping bar, Anti-slip cover, angled slide block, yielding rubber The setting of column and ejection rubber disc is conducive to carry out loosening at sled to the mold of machine-shaping, increases the convenience of taking-up.

5. in the utility model, the Anti-slip cover specifically uses cylindrical rubber sleeve；The appearance of the Anti-slip cover Face is provided with cross anti-skid chequer, is conducive to play anti-skidding effect.

6. in the utility model, first wire lever adjusts the setting of screwed pipe and the second wire lever, is conducive to It is tensed so that sealing rubber plug stoppers in venthole, plays the role of sealing.

7. in the utility model, the setting of the venthole is conducive to play the role of ventilation heat dissipation, and conveniently to mould The scrap that tool processing generates is cleared up.

8. in the utility model, the mounting flange specifically uses steel flange disk；The mounting flange Inside at left and right sides of be provided with threaded hole, be conducive to carry out installation fixation to silicon carbide dies.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the adjustable structural schematic diagram for holding out against fixed tabletting structure of the utility model.

Fig. 3 is that the anti-skidding receipts of the utility model move the structural schematic diagram of ripping bar structure.

Fig. 4 is the structural schematic diagram of the adjustable ventilation seal rubber plug structure of the utility model.

In figure:

1, fixed pedestal；2, support column；3, mounting flange；4, lower die plate；5, intert through-hole；6, it is adjusted and holds out against Fixed tabletting structure；61, lower support bar；62, torque spring；63, upper support bar；64, pressed seat；65, tapped through hole； 66, wind；67, top-fastening rod；68, disk is held out against；7, anti-skidding to receive dynamic ripping bar structure；71, support base；72, rotary shaft；73, mould Has ripping bar；74, Anti-slip cover；75, angled slide block；76, yielding rubber column；77, rubber disc is ejected；8, ventilation sealing rubber plug is adjusted Structure；81, bottom tray；82, the first wire lever；83, screwed pipe is adjusted；84, the second wire lever；85, rubber tube is held out against；86, Sealing rubber plug；9, venthole；10, upper mold plate；11, annular gasket；12, beam column is supported；13, limit protection cap；14, longitudinal Sliding slot；15, handle is held.

Specific embodiment

The utility model is described further below in conjunction with attached drawing:

Embodiment:

As shown in attached drawing 1 to attached drawing 2, the utility model provides a kind of silicon carbide dies, including fixed pedestal 1, support column 2, mounting flange 3, lower die plate 4 interts through-hole 5, and adjustable to hold out against fixed tabletting structure 6, anti-skidding receive moves ripping bar structure 7, Adjustable ventilation seal rubber plug structure 8, venthole 9, upper mold plate 10, annular gasket 11 support beam column 12, limit protection cap 13, longitudinal chute 14 and holding handle 15, the support column 2 are bolted to the lower surface corner location of fixed pedestal 1 respectively； 3 cross bolts of mounting flange are connected to the lower surface of support column 2；The lower die plate 4 is bolted to fixation The upper surface middle position of pedestal 1；The interspersed through-hole 5 is provided with the lower position of the left and right sides of lower die plate 4 respectively； The adjustable upper position for holding out against fixed tabletting structure 6 and being separately mounted at left and right sides of the front surface of fixed pedestal 1；Institute The anti-skidding receipts stated move ripping bar structure 7 and are separately mounted to position at left and right sides of the upper surface of fixed pedestal 1；The adjustable ventilation Seal rubber plug structure 8 is fixed in venthole 9；The venthole 9 is provided with the bosom position of fixed pedestal 1；Institute The sliding of upper mold plate 10 stated is connected in longitudinal chute 14；The annular gasket 11 is mounted in the inside of fixed pedestal 1 Between position lower position；The support beam column 12 is bolted to the rear surface middle position of fixed pedestal 1；The longitudinal direction Sliding slot 14 is provided with the front surface middle position of support beam column 12；The limit protection cap 13 is socketed in the upper of support beam column 12 End；The holding handle 15 is bolted to the upper surface middle position of upper mold plate 10；It is described adjustable to hold out against fixed pressure Chip architecture 6 include lower support bar 61, torque spring 62, upper support bar 63, pressed seat 64, tapped through hole 65, wind 66, Top-fastening rod 67 and disk 68 is held out against, 63 axis of upper support bar connects the front surface upper position in upper support bar 63；It is described 62 axis of torque spring connect in the intersection of lower support bar 61 and upper support bar 63；The pressed seat 64 is welded on top The upper end of support rod 63；The tapped through hole 65 is provided with the bosom position of pressed seat 64；66 spiral shell of wind Nail is connected to the upper end of top-fastening rod 67；The top-fastening rod 67 is threaded in tapped through hole 65；Described holds out against 68 spiral shell of disk Nail is connected to the lower end of top-fastening rod 67；Fixed pedestal 1 is fixed on process operation platform by mounting flange 3, processing is used Mold raw material be put into lower die plate 4, hold hold handle 15, downwards firmly press upper mold plate 10 so that upper mold plate 10 The upper surface for snapping onto lower die plate 4, needle rotary handle crank 66 of taking advantage of a situation, so that top-fastening rod 67 is transported downwards in tapped through hole 65 It is dynamic, to hold out against the clamping played the role of in the upper surface of upper mold plate 10 to mold for disk 68 is held out against.

As shown in Fig. 3, in above-described embodiment, specifically, it includes support base that the anti-skidding receipts, which move ripping bar structure 7, 71, rotary shaft 72, mold ripping bar 73, Anti-slip cover 74, angled slide block 75, yielding rubber column 76 and ejection rubber disc 77, the rotation Shaft 72 is movably embedded in the upper inside middle position of support base 71；The mold ripping bar 73 is connected by rotary shaft 72 In the rear surface upper position of support base 71；The Anti-slip cover 74 is socketed in the outer surface right positions of mold ripping bar 73； The angled slide block 75 is welded on the left end of mold ripping bar 73；The yielding rubber column 76 is glued to the upper surface of angled slide block 75 Leftward position；The ejection rubber disc 77 is glued to the upper surface of yielding rubber column 76；After completion of processing, Anti-slip cover is held 74, mold ripping bar 73 is pulled down, under the action of rotary shaft 72, thus using lever principle, by yielding rubber column 76 and top Rubber disc 77 is upturned out, to play the role of to mould ejection.

As shown in attached drawing 4 and Fig. 2, in above-described embodiment, specifically, the adjustable ventilation seal rubber plug structure 8 Including bottom tray 81, the first wire lever 82 adjusts screwed pipe 83, and the second wire lever 84 holds out against rubber tube 85 and seal rubber Plug 86, first wire lever 82 are bolted to position at left and right sides of the upper surface of bottom tray 81 respectively；The tune Section screwed pipe 83 is threaded in the outer surface upper position of the first wire lever 82；Second wire lever 84 is threaded in Adjust the upper inside position of screwed pipe 83；The upper surface interposition for holding out against rubber tube 85 and being glued to bottom tray 81 It sets；The sealing rubber plug 86 is glued to the upper inside position for holding out against rubber tube 85；In the process, lower support bar 61 Torque spring 62 is clamped inwardly with upper support bar 63, to play the role of buffering；It rotates clockwise, adjusts screwed pipe 83, further the distance between the first wire lever 82 and the second wire lever 84, moves downward to drive with sealing rubber plug 86, blocks up Venthole 9 is filled in, sealing is played the role of.

In above-described embodiment, specifically, the lower support bar 61 and 1 axis of fixed pedestal connect setting；The lower part Stainless steel is respectively adopted in support rod 61 and upper support bar 63；The pressed seat 64 specifically uses rectangle corrosion resistant plate Seat；The top-fastening rod 67 specifically uses stainless steel wire lever；Described holds out against disk 68 specifically using circular rubber disc.

In above-described embodiment, specifically, the support base 71 and fixed pedestal 1 are bolted setting；The top 75 activity of block is plugged in interspersed through-hole 5 out.

In above-described embodiment, specifically, the mold ripping bar 73 specifically uses stainless steel；The Anti-slip cover 74 has Body is using cylindrical rubber sleeve；The outer surface of the Anti-slip cover 74 is provided with cross anti-skid chequer.

In above-described embodiment, specifically, 85 activity of rubber tube that holds out against is plugged in venthole 9；Described second The lower surface of wire lever 84 and fixed pedestal 1 is bolted setting；The sealing rubber plug 86 is bolted to annular gasket 11 lower surface.

In above-described embodiment, specifically, the sealing rubber plug 86 is plugged in venthole 9.

In above-described embodiment, specifically, the holding handle 15 specifically uses U-shaped stainless steel rod handle；The connection Ring flange 3 specifically uses steel flange disk；Threaded hole is provided at left and right sides of the inside of the mounting flange 3.

In above-described embodiment, specifically, the limit protection cap 13 is specifically using the rubber cap of one end sealing.

Working principle

When the utility model is used, fixed pedestal 1 is fixed on process operation platform by mounting flange 3, will add The mold raw material of work is put into lower die plate 4, is held handle 15, firmly upper mold plate 10 is pressed downwards, so that upper mold Plate 10 snaps onto the upper surface of lower die plate 4, rotates clockwise wind 66, so that top-fastening rod 67 is downward in tapped through hole 65 Movement, so that the clamping played the role of in the upper surface of upper mold plate 10 to mold is held out against by disk 68 is held out against, in this process In, lower support bar 61 and upper support bar 63 clamp torque spring 62 inwardly, to play the role of buffering；Turn clockwise It is dynamic, screwed pipe 83 is adjusted, further the distance between the first wire lever 82 and the second wire lever 84, thus drive and sealing rubber plug 86 move downward, and block venthole 9, play the role of sealing；After completion of processing, Anti-slip cover 74 is held, pulls down mold sled Bar 73, under the action of rotary shaft 72, so that yielding rubber column 76 and ejection rubber disc 77 be tilted upward using lever principle It rises, to play the role of to mould ejection.

Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model Under inspiration, similar technical solution is designed, and reaches above-mentioned technical effect, is the protection model for falling into the utility model It encloses.

Claims (10)

1. a kind of silicon carbide dies, which is characterized in that the silicon carbide dies, including fixed pedestal (1), support column (2), connection method Blue disk (3), lower die plate (4) intert through-hole (5), adjustable to hold out against fixed tabletting structure (6), anti-skidding to receive dynamic ripping bar structure (7), ventilation seal rubber plug structure (8), venthole (9), upper mold plate (10), annular gasket (11), support beam column is adjusted (12), limit protection cap (13), longitudinal chute (14) and holding handle (15), the support column (2) are bolted to solid respectively Determine the lower surface corner location of pedestal (1)；Described mounting flange (3) cross bolts are connected to the lower surface of support column (2)； The lower die plate (4) is bolted to the upper surface middle position of fixed pedestal (1)；The interspersed through-hole (5) is respectively It is provided with the lower position of the left and right sides of lower die plate (4)；The adjustable fixed tabletting structure (6) that holds out against is installed respectively Upper position at left and right sides of the front surface of fixed pedestal (1)；The anti-skidding receipts are moved ripping bar structure (7) and are separately mounted to admittedly Determine position at left and right sides of the upper surface of pedestal (1)；The adjustable ventilation seal rubber plug structure (8) is fixed on venthole (9) in；The venthole (9) is provided with the bosom position of fixed pedestal (1)；The upper mold plate (10) slides card It connects in longitudinal chute (14)；The annular gasket (11) is mounted on the bosom position lower position of fixed pedestal (1)； The support beam column (12) is bolted to the rear surface middle position of fixed pedestal (1)；The longitudinal chute (14) is opened It is located at the front surface middle position of support beam column (12)；The limit protection cap (13) is socketed in the upper of support beam column (12) End；The holding handle (15) is bolted to the upper surface middle position of upper mold plate (10)；Adjustable hold out against is consolidated Level pressure chip architecture (6) includes lower support bar (61), torque spring (62), upper support bar (63), pressed seat (64), and screw thread is logical Hole (65), wind (66) and are held out against disk (68) top-fastening rod (67), and described upper support bar (63) axis connects in upper support bar (63) front surface upper position；Described torque spring (62) axis connects in lower support bar (61) and upper support bar (63) Intersection；The pressed seat (64) is welded on the upper end of upper support bar (63)；The tapped through hole (65) is provided with pressure The bosom position of tight seat (64)；Described wind (66) screw is connected to the upper end of top-fastening rod (67)；Described holds out against Bar (67) is threaded in tapped through hole (65)；The lower end for holding out against disk (68) screw and being connected to top-fastening rod (67).

2. silicon carbide dies as described in claim 1, which is characterized in that it includes branch that the anti-skidding receipts, which move ripping bar structure (7), It supports pedestal (71), rotary shaft (72), mold ripping bar (73), Anti-slip cover (74), angled slide block (75), yielding rubber column (76) and ejection Rubber disc (77), the rotary shaft (72) are movably embedded in the upper inside middle position of support base (71)；The mould Tool ripping bar (73) is connected to the rear surface upper position of support base (71) by rotary shaft (72)；Anti-slip cover (74) set Connect the outer surface right positions in mold ripping bar (73)；The angled slide block (75) is welded on the left end of mold ripping bar (73)；Institute The yielding rubber column (76) stated is glued to the upper surface leftward position of angled slide block (75)；The ejection rubber disc (77) is glued to The upper surface of yielding rubber column (76).

3. silicon carbide dies as described in claim 1, which is characterized in that the adjustable ventilation seal rubber plug structure It (8) include bottom tray (81), the first wire lever (82) is adjusted screwed pipe (83), and the second wire lever (84) holds out against rubber tube (85) and sealing rubber plug (86), the upper surface that first wire lever (82) is bolted to bottom tray (81) respectively are left Right two side positions；The adjusting screwed pipe (83) is threaded in the outer surface upper position of the first wire lever (82)；It is described The second wire lever (84) be threaded in adjust screwed pipe (83) upper inside position；Described holds out against rubber tube (85) glue It connects in the upper surface middle position of bottom tray (81)；The sealing rubber plug (86), which is glued to, holds out against the interior of rubber tube (85) Portion's upper side position.

4. silicon carbide dies as described in claim 1, which is characterized in that the lower support bar (61) and fixed pedestal (1) axis connects setting；Stainless steel is respectively adopted in the lower support bar (61) and upper support bar (63)；The pressed seat (64) rectangle corrosion resistant plate seat is specifically used；The top-fastening rod (67) specifically uses stainless steel wire lever；Described holds out against Disk (68) specifically uses circular rubber disc.

5. silicon carbide dies as claimed in claim 2, which is characterized in that the support base (71) and fixed pedestal (1) It is bolted setting；Described angled slide block (75) activity is plugged in interspersed through-hole (5).

6. silicon carbide dies as claimed in claim 2, which is characterized in that the mold ripping bar (73) specifically uses stainless steel Bar；The Anti-slip cover (74) is specifically using cylindrical rubber sleeve；The outer surface of the Anti-slip cover (74) is provided with cross Shape anti-skid chequer.

7. silicon carbide dies as claimed in claim 3, which is characterized in that it is described hold out against rubber tube (85) activity be plugged on it is logical In stomata (9)；The lower surface of second wire lever (84) and fixed pedestal (1) is bolted setting；The sealing rubber Rubber plug (86) is bolted to the lower surface of annular gasket (11).

8. silicon carbide dies as described in claim 1, which is characterized in that the sealing rubber plug (86) is plugged on venthole (9) in.

9. silicon carbide dies as described in claim 1, which is characterized in that the holding handle (15) specifically using it is U-shaped not Become rusty steel pole handle；The mounting flange (3) specifically uses steel flange disk；The inside of the mounting flange (3) is left Right two sides are provided with threaded hole.

10. silicon carbide dies as described in claim 1, which is characterized in that the limit protection cap (13) specifically uses one Hold the rubber cap of sealing.