CN110000333B - Graphite mold for casting and assembling method thereof - Google Patents
Graphite mold for casting and assembling method thereof Download PDFInfo
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- CN110000333B CN110000333B CN201910309064.2A CN201910309064A CN110000333B CN 110000333 B CN110000333 B CN 110000333B CN 201910309064 A CN201910309064 A CN 201910309064A CN 110000333 B CN110000333 B CN 110000333B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
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Abstract
The invention discloses a graphite mold for casting, which comprises: the mould comprises a mould body, a first sand box, a second sand box and a mould sleeve; the mould body, the first sand box and the second sand box are positioned in the mould sleeve; the die body is provided with a cavity, and the top end of the cavity is provided with an exhaust hole; the first sand box is positioned at the side part of the cavity and is provided with a branch pouring gate and a main pouring gate, and the opening of the main pouring gate is positioned at the top end of the first sand box; one end of the branch pouring channel is connected with the middle part of the cavity, the other end of the branch pouring channel is communicated with the main pouring channel, and the second sand box is positioned at the lower part of the cavity. The graphite cooling device can be repeatedly used, and the casting can be rapidly cooled by utilizing the heat conductivity of the graphite.
Description
Technical Field
The invention relates to a casting technology, in particular to a graphite mold for casting and an assembling method thereof.
Background
The excavator bucket tooth is an important part on an excavator and is a combined bucket tooth consisting of a tooth holder and a tooth tip, and an excavator bucket of the excavator is connected with the bucket tooth through a pin shaft. The cutting pick is used on rotating parts such as a coal cutter, a shield machine and the like. The bucket tooth and the cutting pick have similar structures and functions and are easily damaged parts, and the bucket tooth and the cutting pick need to be replaced in time after being worn.
The bucket tooth usually comprises toothholder and prong, and to combination bucket tooth, the toothholder is connected on the bucket, and toothholder and prong lean on round pin axle swing joint, direct change the prong after the prong wearing and tearing can. For the bucket teeth with the tooth holders and the tooth tips in an integrated structure, the tooth holders are movably connected with the excavator bucket of the excavator through pin shafts.
The bucket tooth is made of low-alloy wear-resistant steel, and is suitable for bucket teeth. The processing technological process of the bucket tooth comprises the following steps: there are sand casting, forging and casting, and precision casting. However, since the bucket tooth structure is not uniform without being subjected to necessary heat treatment, the insert does not exert its intended function, and the overall wear resistance of the bucket tooth is poor. Because the sand boxes are disposable, one casting sand box can be broken and discarded for use in each casting, so that great waste is caused, and the sand boxes need to be made again in the subsequent casting, so that the casting production efficiency is reduced. Currently, there is an urgent need for improvements to the casting molds currently in use.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a graphite mold for casting and an assembling method thereof, wherein the graphite mold can be repeatedly used, and the graphite mold can rapidly cool a casting by utilizing the heat conductivity of graphite.
The technical scheme is as follows:
a graphite mold for casting, comprising: the mould comprises a mould body, a first sand box, a second sand box and a mould sleeve; the mould body and the first sand box are positioned in the mould sleeve; at least one cavity is arranged in the die body, and the top end of the cavity is provided with an exhaust hole; the first sand box is positioned at the side part of the cavity and is provided with a branch pouring gate and a main pouring gate, and the opening of the main pouring gate is positioned at the top end of the first sand box; one end of the branch pouring channel is connected with the middle part of the cavity, the other end of the branch pouring channel is communicated with the main pouring channel, and the second sand box is positioned at the lower part of the cavity.
Further, the mould body is provided with two die cavities, and first sand box is located between two die cavities, and first sand box is provided with two branch runners.
Further, the mold body includes: the inner wall surfaces of the first mold split body and the second mold split body are opposite; the first mold split is provided with a first sand box sub-cavity, a positioning groove and two first cavity split bodies on the inner wall surface, the first sand box sub-cavity is positioned between the two first cavity split bodies, and the positioning groove is positioned on the outer side of the first cavity split bodies; the lower part of the sub-cavity of the first sand box is provided with a first separating table which is positioned between the two first cavity sub-bodies; the inner wall surface of the first cavity split body and the side wall of the first separating table are respectively provided with a first pin hole groove, and the top of the first cavity split body is provided with a first exhaust groove; the inner wall surface of the second mold split body is provided with a second sand box sub-cavity, a positioning bulge and two second mold cavity split bodies, and the second sand box sub-cavity is positioned between the two second mold cavity split bodies; the lower part of the sub-cavity of the second sand box is provided with a second partition table, the second partition table is positioned between two second cavity sub-bodies, and the inner wall surface of each second cavity sub-body and two side walls of the second partition table are respectively provided with a second pin hole groove; a second exhaust groove is formed in the top of the second cavity split body; the first sand box sub-cavity and the second sand box sub-cavity form a sand box sub-cavity, and the first sand box is arranged in the sand box sub-cavity; the positioning bulge is positioned in the positioning groove, and the first cavity split body and the second cavity split body form a cavity; the first exhaust groove and the second exhaust groove form an exhaust hole; the first pin hole groove and the second pin hole groove are combined to form a semicircular groove body.
Furthermore, the first sand box comprises two sand box split bodies which are combined together, and the branch pouring gates are positioned on two sides of the main pouring gate; the upper parts of the first sand boxes on the two sides of the opening are provided with sand box vent holes, the opening of each sand box vent hole is positioned at the top end of the first sand box, and the bottom ports of the sand box vent holes are connected with the top ends of the exhaust holes.
Furthermore, the inner wall surfaces of the sand box split bodies are provided with positioning grooves and positioning columns, and the positioning column of one sand box split body is positioned in the positioning groove of the other sand box split body.
Furthermore, a sand box cavity is arranged in the second sand box, the bottom opening of the sand box cavity is located at the bottom of the second sand box, pin columns are arranged on the outer walls of the two sides of the second sand box, and the pin columns are located in the semicircular groove bodies.
Furthermore, the outer wall of the second sand box adjacent to the pin column is provided with a reinforcing rib, the bottom of the second sand box is provided with a base, and the bottom opening is located at the bottom of the base.
Further, the die sleeve is combination formula die sleeve, includes: the die closing lock and the two die sleeves are separated; the die sleeve components of a whole that can function independently include: the bottom plate, the first back plate, the second back plate, the first side plate and the second side plate; the first backboard is provided with first connecting through grooves on two sides, and a first connecting through hole is formed in the lower part of the first backboard; the bottom of the first back plate is connected with a first supporting plate, and a sand box opening is formed in the inner side of the first supporting plate; the second back plate is provided with second connecting through grooves on two sides, and the lower part of the second back plate is provided with second connecting through holes; the bottom of the second back plate is connected with a second supporting plate, and the second supporting plate is provided with a sand box opening at the inner side; the first side plate is provided with a first connecting lug and a first connecting block on the same side of the outer side wall, the connecting lug is provided with a first connecting lug through hole, and the first connecting block is provided with a connecting pin hole; the edge of the inner side wall of the first side plate is provided with a first clamping edge, and the first clamping edge and the first connecting lug are respectively positioned at two sides of the first side plate; a second connecting lug and a second connecting block are arranged on the same side of the outer side wall of the second side plate, the second connecting lug is provided with a second connecting lug through hole, and the corner part of the outer side of the second connecting block is arc-shaped; a second clamping edge is arranged at the edge of the inner side wall of the second side plate, and the second clamping edge and the second connecting lug are positioned at two sides of the first side plate; the mold clamping lock comprises: u-shaped fork arms, connecting pins and handles; the U-shaped yoke is provided with yoke through holes at two ends respectively, a connecting pin passes through the yoke through holes and the connecting pin hole to connect the U-shaped yoke to the first connecting block, the end of the handle is connected to the outer wall of the U-shaped yoke, and the inner wall surface of the U-shaped yoke is an arc surface; the connecting seat includes: a base and a connecting sleeve; the end part of the connecting sleeve is connected to the base; the base is provided with a base connecting through hole, and the side wall of the connecting sleeve is provided with a mechanical arm connecting through hole; the bolt penetrates through the base connecting through hole and the second connecting through hole to connect the connecting seat to the second back plate; the bolt penetrates through the base connecting through hole and the first connecting through hole to connect the connecting seat on the first back plate.
Furthermore, the first backboard is provided with two first sliding grooves at the bottom, the second backboard is provided with two second sliding grooves at the bottom, the bottom plate is provided with a seat hole and a sand leakage hole at the middle part, the bottom plate is provided with two sliding rails at the top, the seat hole and the sand leakage hole are positioned between the two sliding rails, and the two sliding rails are respectively positioned in the first sliding grooves and the second sliding grooves.
A method of assembling a graphite mold for casting, comprising:
the bolt penetrates through the base connecting through hole and the first connecting through hole to fix the connecting seat on the outer side of the first back plate; the first die split body is placed on a first supporting plate on the inner side of a first back plate, a first side plate and a second side plate are respectively placed on two sides of the first die split body, a second clamping edge and a first clamping edge are pressed on the edge of the first die split body, a bolt penetrates through a second connecting lug through hole and a first connecting through groove, the bolt penetrates through the first connecting lug through hole and a second connecting through groove, and the first die split body is clamped and fixed by screwing the bolt;
the bolt penetrates through the base connecting through hole and the second connecting through hole to fix the connecting seat on the outer side of the second back plate; placing a second mold split on a second support plate on the inner side of a second back plate, respectively placing a first side plate and a second side plate on two sides of the second mold split, pressing a second clamping edge and the first clamping edge at the edge of the second mold split, enabling a bolt to penetrate through a second connecting lug through hole and a second connecting through groove, enabling the bolt to penetrate through the first connecting lug through hole and the second connecting through groove, and screwing the bolt to clamp and fix the second mold split;
placing the first back plate and the second back plate on the bottom plate, wherein the slide rails are positioned in the first slide groove and the second slide groove; placing two second sand boxes at the lower parts of the first cavity split body and the second cavity split body respectively, combining the inner wall surfaces of the first mold split body and the second mold split body oppositely, rotating the handles at two sides, and buckling the two U-shaped fork arms on the two second connecting blocks respectively; combining the two sand boxes into a first sand box in a split manner, and installing the first sand box in a sand box sub-cavity enclosed by the first sand box sub-cavity and the second sand box sub-cavity; the first exhaust groove and the second exhaust groove of the first sand box form a sand box vent hole, and the bottom end opening of the sand box vent hole is opposite to the top end opening of the exhaust hole.
The invention has the technical effects that:
1. the graphite material has good thermal conductivity, is superior to other molding materials, and has extremely high chilling effect on the molding of the bucket teeth. The internal structure of the bucket teeth (castings) is fine, high in strength and good in toughness.
2. The graphite has high heat resistance, good heat resistance, low expansion rate, high rigidity and no deformation, and ensures the accurate size of the bucket teeth (castings).
3. The graphite type die can be repeatedly used for 5000 times or more, the cost of the single bucket tooth is low due to multiple times, and compared with sand mold and investment casting, the graphite type die does not produce casting waste, and is beneficial to environmental protection.
5. The graphite also has the function of self-lubricating, and the bucket teeth (castings) are convenient to demould.
6. The graphite material has low hardness and is convenient to process, so the manufacturing cost of the die is low.
7. Graphite is an allotrope of carbon, and carbon has a strong reducing effect and prevents molten steel from being oxidized, so that the surface of the bucket tooth (casting) is not easy to be oxidized.
Drawings
FIG. 1 is a schematic longitudinal sectional view of a graphite mold according to the present invention;
FIG. 2 is a perspective view of a first mold split according to the present invention;
FIG. 3 is a front view of a first mold split of the present invention;
FIG. 4 is a left side view of a first mold split of the present invention;
FIG. 5 is a top view of a first mold split of the present invention;
FIG. 6 is a perspective view of a second mold split in the present invention;
FIG. 7 is a front view of a second mold split in the present invention;
FIG. 8 is a right side view of a second mold split of the present invention;
FIG. 9 is a top view of a second mold split in the present invention;
FIG. 10 is a schematic view of the configuration of the top end face of the first flask in the present invention;
FIG. 11 is a schematic view showing the split internal structure of the flask of the present invention;
FIG. 12 is a schematic view of the construction of a second flask according to the present invention;
FIG. 13 is a schematic bottom view of the second flask of the present invention;
FIG. 14 is a front view of the base plate of the present invention;
FIG. 15 is a bottom plan view of the base plate of the present invention;
FIG. 16 is a right side view of the base plate of the present invention;
FIG. 17 is a front view of the first back plate of the present invention;
FIG. 18 is a top view of the first backing plate of the present invention;
FIG. 19 is a left side view of the first back plate of the present invention;
FIG. 20 is a front view of a second backing plate of the present invention;
FIG. 21 is a top view of a second backing plate of the present invention;
FIG. 22 is a right side view of the second back plate of the present invention;
FIG. 23 is a front view of a first side panel of the present invention;
FIG. 24 is a right side view of the first side panel of the present invention;
FIG. 25 is a bottom view of the first side panel of the present invention;
FIG. 26 is a front view of a second side plate of the present invention;
FIG. 27 is a right side view of the second side plate of the present invention;
FIG. 28 is a bottom plan view of the second side plate of the present invention;
FIG. 29 is a front assembly view of the mold clamp of the present invention;
FIG. 30 is a side assembly view of the mold clamp of the present invention;
fig. 31 is a front view of the connecting socket of the present invention;
fig. 32 is a cross-sectional view of the connector holder of the present invention.
Detailed Description
The following description sufficiently illustrates specific embodiments of the invention to enable those skilled in the art to practice and reproduce it.
As shown in FIG. 1, the longitudinal sectional structure of the graphite mold according to the present invention is schematically shown.
The graphite mold has a structure comprising: the mould comprises a mould body 1, a first sand box 2, a second sand box 3 and a mould sleeve 4. The die body 1 is provided with two cavities 11, and the top ends of the cavities 11 are provided with exhaust holes 12; the first sand box 2 is positioned between the two cavities 11, the first sand box 2 is provided with a branch pouring channel 22 and a main pouring channel 21 which are communicated, and the opening of the main pouring channel 21 is positioned at the top of the first sand box 2; one end of the branch pouring channel 22 is connected with the middle part of the cavity 11, and the other end is communicated with the main pouring channel 21; the second sand box 3 is located at the lower part of the cavity 11. The assembled mold body 1 and the first sand box 2 are positioned in the mold sleeve 4. The die sleeve 4 is made of metal and used for fixing the die body 1 and dissipating heat for the die body 1.
Of course, two cavities 11 or a plurality of cavities 11 may be provided in the mold body 1. The shape of the cavity 11 may be determined according to the shape of the product. In the preferred embodiment, the graphite mold is used for casting the tooth, and therefore, the cavity 11 has the shape of the tooth.
Molten steel enters from a main pouring gate 21 of the first sand box 2 and enters from a branch pouring gate 22 into a cavity 11 of the graphite mold; the molten steel is filled in the cavity 11 from the bottom, and the molten steel is cooled in the cavity 11 to form a casting 5; air in the cavity 11 is exhausted from the cavity 11 and the exhaust hole 12; the gas generated after the second sand box 3 is heated by the molten steel is discharged from the bottom opening 31 of the second sand box 3, so that the formation of air holes and bubbles in the casting 5 and on the surface thereof can be avoided.
As shown in fig. 2, it is a three-dimensional structure view of the first mold split 13 in the present invention; as shown in fig. 3, is a front view of the first mold split 13 of the present invention; as shown in fig. 4, it is a left side view of the first mold split 13 in the present invention; as shown in fig. 5, a plan view of the first mold division body 13 of the present invention is shown.
The die body 1 includes: the mold comprises a first mold split body 13 and a second mold split body 14, wherein the inner wall surfaces of the first mold split body 13 and the second mold split body 14 are opposite to each other, and the mold body 1 is formed after combination. The die body 1 can also adopt a multi-split combination mode to adapt to different product shapes.
The first mold split body 13 is provided with a first sand box sub-cavity 132, a positioning groove 133 and two first cavity split bodies 131 on the inner wall surface, the first sand box sub-cavity 132 is positioned between the two first cavity split bodies 131, and the positioning groove 133 is positioned on the outer side of the first cavity split bodies 131; the lower part of the first sand box sub-cavity 132 is a first separating table 134, and the first separating table 134 is positioned between the two first cavity sub-cavities 131; the inner wall surface of the first cavity split 131 and both side walls of the first partition 134 are respectively provided with first pin hole grooves 135, and the two first pin hole grooves 135 are located on the same straight line. The first cavity division body 131 is provided at the top thereof with a first exhaust groove 136.
As shown in fig. 6, it is a perspective view of the second mold split 14 according to the present invention; as shown in fig. 7, is a front view of the second mold split 14 in the present invention; fig. 8 is a right side view of the second mold split 14 according to the present invention; as shown in fig. 9, a plan view of the second mold split body 14 of the present invention is shown.
The inner wall surface of the second mold split 14 is provided with a second sand box sub-cavity 142 and two second mold cavity split bodies 141, the second sand box sub-cavity 142 is positioned between the two second mold cavity split bodies 141, and the inner wall surface of the second mold split 14 at the outer side of the second mold cavity split bodies 141 is provided with a positioning bulge 143; the lower part of the second flask sub-chamber 142 is a second partition table 144, the second partition table 144 is located between the two second cavity sub-chambers 141, and the inner wall surface of the second cavity sub-chambers 141 and two side walls of the second partition table 144 are respectively provided with a second pin hole groove 145. The second cavity division body 141 is provided at the top thereof with a second air discharge groove 146.
After the inner wall surfaces of the first mold split body 13 and the second mold split body 14 are opposite and combined, the first sand box sub-cavity 132 and the second sand box sub-cavity 142 form a sand box sub-cavity, and the first sand box 2 is arranged in the sand box sub-cavity; the positioning protrusion 143 is positioned in the positioning groove 133, the first cavity split 131 and the second cavity split 141 form the cavity 11, and the second sand box 3 is positioned at the lower part of the cavity 11; the first exhaust groove 136 and the second exhaust groove 146 form an exhaust hole 12; the first pin hole groove 135 and the second pin hole groove 145 are combined to form a semicircular groove body.
FIG. 10 is a schematic view showing the configuration of the top end face of the first flask 2 according to the present invention; as shown in FIG. 11, the inside structure of the flask division 21 of the present invention is schematically shown.
The first sand box 2 comprises two sand box split bodies 21 which are combined together, a branch pouring gate 22 and a main pouring gate 21 are arranged in the first sand box 2, the branch pouring gate 22 is positioned at two sides of the main pouring gate 21, the opening of the main pouring gate 21 is positioned at the top end of the first sand box 2, one end of the branch pouring gate 22 is connected with the middle part of the cavity 11, and the other end of the branch pouring gate 22 is connected with the main pouring gate 21; the upper part of the first sand box 2 on both sides of the opening is provided with a sand box vent hole 23, and the opening of the sand box vent hole 23 is positioned at the top end of the first sand box 2. Molten steel enters the branch pouring gate 22 from the main pouring gate 21 and then enters the cavity 11 from the middle part of the cavity 11, and because the volume of the middle part of the bucket tooth is large, after the molten steel at the bottom is solidified, the molten steel at the middle part is finally solidified, so that the complete molding of the bucket tooth is facilitated, and the air in the molten steel and the air in the first sand box 2 are discharged.
The bottom port of the flask vent hole 23 is connected to the top end of the vent hole 12. During casting, air in molten steel is exhausted through the exhaust holes 12 and the sand box vent holes 23, so that sand holes and air bubbles can be prevented from being formed in the bucket teeth.
In order to fix the position of the flask division 21, a positioning groove 25 and a positioning post 26 are provided on the inner wall surface of the flask division 21, and the positioning post 26 of one flask division 21 is positioned in the positioning groove 25 of the other flask division 21.
FIG. 12 is a schematic view showing the construction of the second flask 3 according to the present invention; FIG. 13 is a schematic view showing the bottom structure of the second flask 3 according to the present invention.
The inside sand box cavity that is provided with of second sand box 3, the bottom opening 31 of sand box cavity is located the bottom of second sand box 3, and second sand box 3 is provided with round pin post 32 on the outer wall of both sides, and round pin post 32 is located the semicircular groove body, and the external diameter of round pin post 32 is less than the internal diameter of semicircular groove body, forms the dipper teeth connecting pin through-hole after the space that round pin post 32 occupy is cast.
In order to strengthen the strength of the second sand box 3, reinforcing ribs 33 are arranged on the outer wall of the second sand box 3 adjacent to the pins 32; in order to enhance the stability during casting, the bottom of the second sand box 3 is provided with a base 34, and the bottom opening 31 is located at the bottom of the base 34.
As shown in fig. 14, is a front view of the bottom plate 411 in the present invention; as shown in fig. 15, is a bottom view of the bottom plate 411 of the present invention; as shown in fig. 16, is a right side view of the bottom plate 411 of the present invention.
The die sleeve 4 is a combined die sleeve and is used for fixing a first die split body 13 and a second die split body 14 and radiating heat for the first die split body 13 and the second die split body 14, and the die sleeve 4 comprises: the two die sleeves are separated, the die locking lock 42 and the connecting seat 43.
The die sleeve components of a whole that can function independently include: a bottom plate 411, a first back plate 412, a second back plate 413, a first side plate 414, and a second side plate 415.
The seat hole 4111 plays a positioning role, and the sand leakage hole 4112 is used for leaking the broken second sand box 3, so that the second sand box 3 can be loaded in the next bucket tooth casting process.
Fig. 17 is a front view of the first back plate 412 of the present invention; fig. 18 is a top view of the first backplate 412 of the present invention; fig. 19 is a left side view of the first back plate 412 of the present invention.
The first back plate 412 is provided with first connecting grooves 4121 at both sides, and two first connecting grooves 4121 are provided at each side; the first back plate 412 is provided with first connection holes 4122 at the lower part, and the centers of the 4 first connection holes 4122 are located on the same circle; the coupling holder 43 is coupled to the first coupling through hole 4122 by a bolt. The first back plate 412 is connected with a first support plate 4123 at the bottom, the first support plate 4123 is provided with two flask openings 4124 at the inner side, a first rib plate 4125 is connected between the first support plate 4123 and the first back plate 412, the first back plate 412 is provided with a second rib plate 4126 at the lower part, the two second rib plates 4126 are positioned at the outer side of the first support plate 4123, the first back plate 412 is provided with two first slide grooves 4127 at the bottom, and the first slide grooves 4127 penetrate through the back plate 412 and the second rib plates 4126.
After the graphite molds are assembled, the flask opening 4124 is located at the lower portions of the first cavity split 131 and the second cavity split 141.
As shown in fig. 20, is a front view of the second back plate 413 of the present invention; FIG. 21 is a top view of the second back plate 413 of the present invention; fig. 22 is a right side view of the second back plate 413 of the present invention.
The second back plate 413 is provided with second connecting through grooves 4131 on two sides, and each side is provided with two second connecting through grooves 4131; the second back plate 413 is provided with second connecting through holes 4132 at the lower part, and the centers of the 4 second connecting through holes 4132 are located on the same circle; the coupling base 43 is coupled to the second coupling through hole 4132 by a bolt. The second back plate 413 is connected with a second support plate 4133 at the bottom, the second support plate 4133 is provided with two flask openings 4124 at the inner side, a third reinforcing rib plate 4135 is connected between the second support plate 4133 and the second back plate 413, the second back plate 413 is provided with a fourth reinforcing rib plate 4136 at the lower part, the two fourth reinforcing rib plates 4136 are positioned at the outer side of the second support plate 4133, the second back plate 413 is provided with two second sliding grooves 4137 at the bottom, and the second sliding grooves 4137 penetrate through the back plate 413 and the fourth reinforcing rib plates 4136.
As shown in fig. 23, is a front view of the first side plate 414 of the present invention; as shown in fig. 24, a right side view of the first side panel 414 of the present invention; as shown in fig. 25, a bottom view of the first side plate 414 of the present invention is shown.
The first side plate 414 is provided with two first connecting lugs 4141 and a first connecting block 4144 on the outer side wall, the two first connecting lugs 4141 and the first connecting block 4144 are located on the same side, the connecting lug 4141 is provided with a plurality of first connecting lug through holes 4142, and the first connecting block 4144 is provided with a connecting pin hole 4145; the first side plate 414 is provided with a first clamping edge 4143 at the edge of the inner side wall, and the first clamping edge 4143 and the first connecting lug 4141 are respectively located at two sides of the first side plate 414.
FIG. 26 is a front view of the second side panel 415 of the present invention; FIG. 27 is a right side view of the second side panel 415 of the present invention; as shown in fig. 28, the second side plate 415 is a bottom view of the present invention.
The second side plate 415 is provided with two second connecting lugs 4151 and a second connecting block 4154 on the outer side wall, the two second connecting lugs 4151 and the second connecting block 4154 are positioned on the same side, the second connecting lugs 4151 are provided with a plurality of second connecting lug through holes 4152, and the corner part of the outer side of the second connecting block 4144 is arc-shaped; the second side plate 415 is provided with a second clamping edge 4153 at the edge of the inner side wall, and the second clamping edge 4153 and the second engaging lug 4151 are located at two sides of the first side plate 415.
The first side plate 414 or the second side plate 415 may be connected to the two first back plates 412 or the two second side plates 415 at the same time, or the first side plate 414 and the second side plate 415 may be arranged in a crossing manner, one first side plate 414 and one second side plate 415 are connected to the first back plate 412, and one first side plate 414 and one second side plate 415 are connected to the second side plate 415.
FIG. 29 is a front assembly view of the clamp lock 42 of the present invention; as shown in fig. 30, a side assembly view of the mold clamp 42 of the present invention is shown.
The mold clamping lock 42 includes: u-shaped yoke 421, connecting pin 422, handle 423; the U-shaped yoke 421 is provided with yoke through holes at two ends respectively, and the connecting pin 422 passes through the yoke through holes and the connecting pin hole 4145 to connect the U-shaped yoke 421 to the first connecting block 4144; the end of the handle 423 is attached to the outer wall of the U-shaped yoke 42. The inner wall surface of the U-shaped yoke 421 is an arc surface, and the arc surface and the arc angle of the second connecting block 4144 are mutually extruded, which is favorable for tensioning the first side plate 414 and the second side plate 415.
As shown in fig. 31, is a front view of the connecting base 43 of the present invention; fig. 32 shows a cross-sectional view of the connecting base 43 of the present invention.
The connection seat 43 includes: a base 431 and a connecting sleeve 432; the end of the connecting sleeve 432 is connected to the base 431; the base 431 is provided with four base connecting through holes 433, and the side wall of the connecting sleeve 432 is provided with a mechanical arm connecting through hole 434. Bolts pass through the base connecting through hole 433 and the second connecting through hole 4132 to connect the connecting seat 43 to the second back plate 413; bolts pass through the base coupling through-holes 433 and the first coupling through-holes 4122 to couple the coupling holder 43 to the first back plate 412. The robot arm coupling through-hole 434 is used to couple the coupling seat 43 to the robot arm.
The assembling method of the graphite mold for casting specifically comprises the following steps:
step 1: bolts pass through the base connecting through holes 433 and the first connecting through holes 4122 to fix the connecting base 43 at the outer side of the first back plate 412; placing a first mold split body 13 on a first supporting plate 4123 on the inner side of a first back plate 412, placing a first side plate 414 and a second side plate 415 on two sides of the first mold split body 13 respectively, pressing a second clamping edge 4153 and a first clamping edge 4143 on the edge of the first mold split body 13, passing a bolt through a second connecting lug through hole 4152 and a first connecting through groove 4121, passing a bolt through a first connecting lug through hole 4142 and a second connecting through groove 4131, and tightening the bolt to clamp and fix the first mold split body 13;
step 2: bolts pass through the base connecting through holes 433 and the second connecting through holes 4132 to fix the connecting seat 43 at the outer side of the second back plate 413; placing the second mold split 14 on the second support plate 4133 on the inner side of the second back plate 413, placing the first side plate 414 and the second side plate 415 on two sides of the second mold split 14 respectively, pressing the second clamping edge 4153 and the first clamping edge 4143 on the edge of the second mold split 14, passing the bolt through the second connecting lug through hole 4152 and the second connecting through groove 4131, passing the bolt through the first connecting lug through hole 4142 and the second connecting through groove 4131, and tightening the bolt to clamp and fix the second mold split 14;
and step 3: placing the first back plate 412 and the second back plate 413 on the bottom plate 411, wherein the slide rail 4113 is located in the first slide groove 4127 and the second slide groove 4137; placing the two second sand boxes 3 at the lower parts of the first cavity split 131 and the second cavity split 141 respectively; the inner wall surfaces of the first mold split body 13 and the second mold split body 14 are relatively combined, the handles 423 on two sides are rotated, and the two U-shaped fork arms 421 are respectively buckled on the two second connecting blocks 4154; the two flask split bodies 21 are combined into a first flask 2 and are arranged in a flask split cavity enclosed by the first flask split cavity 132 and the second flask split cavity 142.
The second sand box 3 is located at the lower part of the cavity 11 formed by the first cavity split 131 and the second cavity split 141, and the pin 32 of the second sand box 3 is located in the semicircular groove formed by combining the first pin hole groove 135 and the second pin hole groove 145. The first venting groove 136 and the second venting groove 146 of the first flask 2 constitute a flask vent hole 23, and the bottom end opening of the flask vent hole 23 is opposite to the top end opening of the vent hole 12.
The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (9)
1. A graphite mold for casting, characterized by comprising: the mould comprises a mould body, a first sand box, a second sand box and a mould sleeve; the mould body and the first sand box are positioned in the mould sleeve; at least one cavity is arranged in the die body, and the top end of the cavity is provided with an exhaust hole; the first sand box is positioned at the side part of the cavity and is provided with a branch pouring gate and a main pouring gate, and the opening of the main pouring gate is positioned at the top end of the first sand box; one end of the branch pouring gate is connected with the middle part of the cavity, the other end of the branch pouring gate is communicated with the main pouring gate, and the second sand box is positioned at the lower part of the cavity; the die sleeve is a combined die sleeve, and comprises: the die closing lock and the two die sleeves are separated; the die sleeve components of a whole that can function independently include: the bottom plate, the first back plate, the second back plate, the first side plate and the second side plate; the first backboard is provided with first connecting through grooves on two sides, and a first connecting through hole is formed in the lower part of the first backboard; the bottom of the first back plate is connected with a first supporting plate, and a sand box opening is formed in the inner side of the first supporting plate; the second back plate is provided with second connecting through grooves on two sides, and the lower part of the second back plate is provided with second connecting through holes; the bottom of the second back plate is connected with a second supporting plate, and the second supporting plate is provided with a sand box opening at the inner side; the first side plate is provided with a first connecting lug and a first connecting block on the same side of the outer side wall, the connecting lug is provided with a first connecting lug through hole, and the first connecting block is provided with a connecting pin hole; the edge of the inner side wall of the first side plate is provided with a first clamping edge, and the first clamping edge and the first connecting lug are respectively positioned at two sides of the first side plate; a second connecting lug and a second connecting block are arranged on the same side of the outer side wall of the second side plate, the second connecting lug is provided with a second connecting lug through hole, and the corner part of the outer side of the second connecting block is arc-shaped; a second clamping edge is arranged at the edge of the inner side wall of the second side plate, and the second clamping edge and the second connecting lug are positioned at two sides of the first side plate; the mold clamping lock comprises: u-shaped fork arms, connecting pins and handles; the U-shaped yoke is provided with yoke through holes at two ends respectively, a connecting pin passes through the yoke through holes and the connecting pin hole to connect the U-shaped yoke to the first connecting block, the end of the handle is connected to the outer wall of the U-shaped yoke, and the inner wall surface of the U-shaped yoke is an arc surface; the connecting seat includes: a base and a connecting sleeve; the end part of the connecting sleeve is connected to the base; the base is provided with a base connecting through hole, and the side wall of the connecting sleeve is provided with a mechanical arm connecting through hole; the bolt penetrates through the base connecting through hole and the second connecting through hole to connect the connecting seat to the second back plate; the bolt penetrates through the base connecting through hole and the first connecting through hole to connect the connecting seat on the first back plate.
2. A graphite mold for casting according to claim 1, wherein the mold body is provided with two cavities, the first flask being located between the two cavities, the first flask being provided with two branch runners.
3. The graphite mold for casting according to claim 2, wherein the mold body comprises: the inner wall surfaces of the first mold split body and the second mold split body are opposite; the first mold split is provided with a first sand box sub-cavity, a positioning groove and two first cavity split bodies on the inner wall surface, the first sand box sub-cavity is positioned between the two first cavity split bodies, and the positioning groove is positioned on the outer side of the first cavity split bodies; the lower part of the sub-cavity of the first sand box is provided with a first separating table which is positioned between the two first cavity sub-bodies; the inner wall surface of the first cavity split body and the side wall of the first separating table are respectively provided with a first pin hole groove, and the top of the first cavity split body is provided with a first exhaust groove; the inner wall surface of the second mold split body is provided with a second sand box sub-cavity, a positioning bulge and two second mold cavity split bodies, and the second sand box sub-cavity is positioned between the two second mold cavity split bodies; the lower part of the sub-cavity of the second sand box is provided with a second partition table, the second partition table is positioned between two second cavity sub-bodies, and the inner wall surface of each second cavity sub-body and two side walls of the second partition table are respectively provided with a second pin hole groove; a second exhaust groove is formed in the top of the second cavity split body; the first sand box sub-cavity and the second sand box sub-cavity form a sand box sub-cavity, and the first sand box is arranged in the sand box sub-cavity; the positioning bulge is positioned in the positioning groove, and the first cavity split body and the second cavity split body form a cavity; the first exhaust groove and the second exhaust groove form an exhaust hole; the first pin hole groove and the second pin hole groove are combined to form a semicircular groove body.
4. A graphite mold for casting according to claim 2 or 3, wherein the first flask comprises two split flasks combined together, and the branch runners are located on both sides of the main runner; the upper parts of the first sand boxes on the two sides of the opening are provided with sand box vent holes, the opening of each sand box vent hole is positioned at the top end of the first sand box, and the bottom ports of the sand box vent holes are connected with the top ends of the exhaust holes.
5. The casting graphite mold according to claim 4, wherein the flask separate bodies have positioning grooves and positioning posts on inner wall surfaces thereof, and the positioning post of one flask separate body is positioned in the positioning groove of the other flask separate body.
6. The casting graphite mold of claim 3, wherein the second flask is provided therein with a flask cavity, a bottom opening of the flask cavity being located at a bottom of the second flask, and the second flask is provided on outer walls on both sides with pins located in the semicircular grooves.
7. A graphite mold for casting according to claim 6, wherein the second flask adjacent to the pin is provided with reinforcing ribs on the outer wall thereof, the second flask is provided with a base at the bottom thereof, and the bottom opening is provided at the bottom of the base.
8. The casting graphite mold according to claim 1, wherein the first plate has two first sliding grooves formed in a bottom portion thereof, the second plate has two second sliding grooves formed in a bottom portion thereof, the bottom plate has a seat hole and a sand leaking hole formed in a middle portion thereof, the bottom plate has two sliding rails formed in a top portion thereof, the seat hole and the sand leaking hole are located between the two sliding rails, and the two sliding rails are respectively located in the first sliding grooves and the second sliding grooves.
9. A method of assembling a graphite mold for casting, comprising:
the bolt penetrates through the base connecting through hole and the first connecting through hole to fix the connecting seat on the outer side of the first back plate; the first die split body is placed on a first supporting plate on the inner side of a first back plate, a first side plate and a second side plate are respectively placed on two sides of the first die split body, a second clamping edge and a first clamping edge are pressed on the edge of the first die split body, a bolt penetrates through a second connecting lug through hole and a first connecting through groove, the bolt penetrates through the first connecting lug through hole and a second connecting through groove, and the first die split body is clamped and fixed by screwing the bolt;
the bolt penetrates through the base connecting through hole and the second connecting through hole to fix the connecting seat on the outer side of the second back plate; placing a second mold split on a second support plate on the inner side of a second back plate, respectively placing a first side plate and a second side plate on two sides of the second mold split, pressing a second clamping edge and the first clamping edge at the edge of the second mold split, enabling a bolt to penetrate through a second connecting lug through hole and a second connecting through groove, enabling the bolt to penetrate through the first connecting lug through hole and the second connecting through groove, and screwing the bolt to clamp and fix the second mold split;
placing the first back plate and the second back plate on the bottom plate, wherein the slide rails are positioned in the first slide groove and the second slide groove; placing two second sand boxes at the lower parts of the first cavity split body and the second cavity split body respectively, combining the inner wall surfaces of the first mold split body and the second mold split body oppositely, rotating the handles at two sides, and buckling the two U-shaped fork arms on the two second connecting blocks respectively; combining the two sand boxes into a first sand box in a split manner, and installing the first sand box in a sand box sub-cavity enclosed by the first sand box sub-cavity and the second sand box sub-cavity; the first exhaust groove and the second exhaust groove of the first sand box form a sand box vent hole, and the bottom end opening of the sand box vent hole is opposite to the top end opening of the exhaust hole.
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| CN201910309064.2A CN110000333B (en) | 2019-04-17 | 2019-04-17 | Graphite mold for casting and assembling method thereof |
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| CN201910309064.2A CN110000333B (en) | 2019-04-17 | 2019-04-17 | Graphite mold for casting and assembling method thereof |
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| CN110000333B true CN110000333B (en) | 2020-12-22 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5794441A (en) * | 1980-12-02 | 1982-06-11 | Daido Steel Co Ltd | Production of high manganese cast steel product |
| CN1951597A (en) * | 2005-10-19 | 2007-04-25 | 张俊义 | Graphite mould |
| CN201913185U (en) * | 2011-01-07 | 2011-08-03 | 成都超纯应用材料有限责任公司 | Graphite die for copper-nickel alloy ingot casting |
| CN201931047U (en) * | 2010-11-24 | 2011-08-17 | 廖杏煌 | Excavator bucket tooth manufacturing device |
| CN202343866U (en) * | 2011-05-11 | 2012-07-25 | 昆明理工大学 | Graphite die for casting |
| CN203695881U (en) * | 2014-03-08 | 2014-07-09 | 浙江恒通机械有限公司 | Casting mold for shock absorber sleeve |
| CN204035525U (en) * | 2014-09-16 | 2014-12-24 | 宁波吉威熔模铸造有限公司 | A kind of cooling device of bucket tooth casting mould |
| CN104399897A (en) * | 2014-12-07 | 2015-03-11 | 西安诺博尔稀贵金属材料有限公司 | Tool for casting NiCrAlYSi alloy target and casting method |
| CN107138690A (en) * | 2017-06-21 | 2017-09-08 | 禹州市昆仑模具有限公司 | A kind of upper mould of bucket tooth precoated sand mould |
| CN207154685U (en) * | 2017-07-11 | 2018-03-30 | 江苏洛克精密铸造有限公司 | A kind of casting mould of excavator bucket teeth |
| CN109759547A (en) * | 2019-01-24 | 2019-05-17 | 内蒙古科技大学 | Excavator bucket teeth and its manufacturing method |
-
2019
- 2019-04-17 CN CN201910309064.2A patent/CN110000333B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5794441A (en) * | 1980-12-02 | 1982-06-11 | Daido Steel Co Ltd | Production of high manganese cast steel product |
| CN1951597A (en) * | 2005-10-19 | 2007-04-25 | 张俊义 | Graphite mould |
| CN201931047U (en) * | 2010-11-24 | 2011-08-17 | 廖杏煌 | Excavator bucket tooth manufacturing device |
| CN201913185U (en) * | 2011-01-07 | 2011-08-03 | 成都超纯应用材料有限责任公司 | Graphite die for copper-nickel alloy ingot casting |
| CN202343866U (en) * | 2011-05-11 | 2012-07-25 | 昆明理工大学 | Graphite die for casting |
| CN203695881U (en) * | 2014-03-08 | 2014-07-09 | 浙江恒通机械有限公司 | Casting mold for shock absorber sleeve |
| CN204035525U (en) * | 2014-09-16 | 2014-12-24 | 宁波吉威熔模铸造有限公司 | A kind of cooling device of bucket tooth casting mould |
| CN104399897A (en) * | 2014-12-07 | 2015-03-11 | 西安诺博尔稀贵金属材料有限公司 | Tool for casting NiCrAlYSi alloy target and casting method |
| CN107138690A (en) * | 2017-06-21 | 2017-09-08 | 禹州市昆仑模具有限公司 | A kind of upper mould of bucket tooth precoated sand mould |
| CN207154685U (en) * | 2017-07-11 | 2018-03-30 | 江苏洛克精密铸造有限公司 | A kind of casting mould of excavator bucket teeth |
| CN109759547A (en) * | 2019-01-24 | 2019-05-17 | 内蒙古科技大学 | Excavator bucket teeth and its manufacturing method |
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| CN110000333A (en) | 2019-07-12 |
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