CN101816965B - Sand making cavity special for cone sand making machine - Google Patents

Abstract

The invention relates to a special sand-making chamber and a method for adjusting the sand-making chamber of a conical sand-making machine, which can not only make sand with high efficiency and low energy consumption, but also can adjust the sand-making particle size at any time according to needs. The upper casing is located at the lower casing. At the upper end, the adjusting screw sleeve is located on the upper casing and is spirally connected with the upper casing. The inner wall of the adjusting screw sleeve is raised in the middle, and the upper and lower sides are ring-shaped horn-shaped slopes. The anti-wear fixed sleeve passes through the fixed sleeve bushing and the The ring-shaped trumpet-shaped slope of the adjusting screw sleeve is connected. The main shaft is located in the shaft hole in the center of the upper casing through the eccentric shaft sleeve and the inner copper sleeve. The bushing is set on the conical surface of the movable cone sleeve, the anti-friction movable sleeve is set on the conical surface of the movable sleeve bushing, and the wall surface of the anti-friction movable sleeve is driven by the movable cone to form a dynamic sand making chamber with the wall surface of the anti-wear fixed sleeve.

Description

Special sand making chamber for cone sand making machine

technical field

The invention relates to a special sand-making chamber for a conical sand-making machine and a method for adjusting the sand-making chamber, which can not only make sand with high efficiency and low energy consumption, but also can adjust the sand-making particle size at any time according to the needs, which belongs to the sand making machine component assembly manufacturing field. the

Background technique

CN101362112A, title "a kind of dry type sand making method and the dry type sand making machine used", including a hollow crushing working chamber, a hollow dust removal working chamber is arranged below the crushing working chamber, the upper end of the feeding channel is connected with the feeding The lower end of the feeding channel is located in the dust removal working chamber, and there is also a vent on the dust removing working chamber. The bottom surface of the dust removal working chamber is provided with an outlet; the dust suction component is sealed and connected with the lower end of the air duct after passing through the outlet, or the dust suction component is sealed and connected with the air vent. Since this sand making machine is not a conical sand making machine, there is no sand making chamber. the

Contents of the invention

Design purpose: to avoid the deficiencies in the background technology, to design a special sand-making chamber and a sand-making chamber for conical sand-making machines that can produce sand with high efficiency and low energy consumption, and can adjust the sand-making particle size at any time according to needs Adjustment method. the

Design scheme: In order to achieve the above design purpose. 1. It is one of the technical characteristics of the present invention that the inner wall of the upper casing is screwed with the outer wall helical thread of the adjusting screw sleeve and the adjustable adjusting screw sleeve can be lifted and lowered. The purpose of doing this is as follows: First, because the inner wall of the adjusting screw sleeve is raised in the middle, and the upper and lower sides are ring-shaped horn-shaped slopes, the slope of the upper horn cavity can effectively support the hopper assembly and ensure the stability of the hopper assembly. and firmness, and the intersection of the sloped side and the adjacent vertical side in the lower horn cavity is provided with a wear-resistant sleeve connection hole, which can not only position the wear-resistant sleeve, but also can be used in the lower The distance between the outer inclined surface of the horn cavity and the anti-wear fixed sleeve wall is built into the fixed sleeve bushing, which protects the adjusting screw sleeve, and at the same time slows down the impact of the sand making impact on the anti-friction fixed sleeve. More importantly: Since the distance formed by the opposite surfaces of the anti-wear fixed sleeve and the anti-wear movable sleeve is the sand-making chamber, the distance between the sand-making chambers is the size of the sand-making granularity, which can be realized by adjusting the screw sleeve up and down. The adjustment of the spacing of the sand-making chamber can achieve the purpose of adjusting the size of the sand-making particles according to the needs. 2, the upper casing has the design of one or more locking oil cylinders, which is two of technical characterictics of the present invention. The purpose of doing like this is: upper casing and adjusting screw sleeve can be locked by locking oil cylinder, the situation that ensures that adjusting screw sleeve rises or falls does not take place during work, guarantees that the data of the adjusted sand-making sand grain diameter is relatively unchanged. 3. The anti-friction movable sleeve and the anti-friction fixed sleeve adopt the design of high chromium cast iron material, which is the third technical characterictic of the present invention. The purpose of this is: when the Cr reaches 12% and the chromium-carbon ratio reaches a certain value in high-chromium cast iron, the solidification process of iron-carbon is changed, resulting in the formation of higher hardness M7C3 carbides instead of M3C. Just like tricalcium silicate and dicalcium silicate in clinker, C3S not only has high early strength, but also higher later strength than C2S. Similarly, the M7C3 carbide is not only harder than the M3C type, but also has a different microstructure from the honeycomb M3C carbide that splits the matrix, but is solid and discontinuous. The result is that the toughness is greatly improved, so that the high Chromium cast iron not only has high hardness, but also has much higher wear resistance than alloy steel with the same hardness. This application uses high chromium cast iron to make the anti-wear moving sleeve and anti-wear fixed sleeve, which not only creates a precedent for sand making equipment, but also fundamentally improves the wear resistance and hardness of the anti-friction moving sleeve and anti-wear fixed sleeve, which is extremely Greatly prolong the service life of the sand making machine. 4. The design that the eccentric shaft sleeve pushes the main shaft to eccentrically swing is four of the technical characterictics of the present invention. The purpose of doing this is: due to the structural design of the eccentric bushing, it means that the shaft hole in the eccentric bushing is eccentric, and the eccentric bushing is driven to rotate by the bevel gear set. The main shaft of the main shaft swings eccentrically, and the anti-wear movable sleeve located on the upper part of the main shaft swings eccentrically through the movable cone, and the sand-making chamber composed of the anti-wear fixed sleeve and the anti-friction movable sleeve forms a dynamic eccentric sand-making chamber. 5. The design of the movable sleeve bushing on the conical surface of the movable cone, and the design of the anti-friction movable sleeve on the conical surface of the movable sleeve bushing is five of the technical characterictics of the present invention. The purpose of doing this is: because the dynamic bushing is a high manganese steel bushing, it not only has good wear resistance, excellent toughness, and impact resistance, but also when the high chromium cast iron anti-friction When superhard materials such as steel block are damaged, it can also play a reliable role in protecting the moving cone under it. 6. The cross-section of the movable bushing is narrow at the top, wide at the bottom, and the bottom is a trumpet-shaped prying pendulum with a closed mouth, which is the sixth technical feature of the present invention. The purpose of doing this is: First, because the moving bushing is a high-manganese steel bushing, it not only has good wear resistance, excellent toughness, and impact resistance, but also when the high-chromium cast iron wear-resistant moving bushing on it When the superhard material such as steel block is damaged, it can play a reliable role in protecting the moving cone under it; secondly, because the outer wall of the moving sleeve has grooves in the circumferential direction, it reduces the contact between the outer wall of the moving sleeve and the bushing. The contact area of the anti-friction moving sleeve makes the effective contact area of the two more consistent and firmer, thereby protecting the anti-friction sleeve; the third is that when the high-chromium cast iron anti-friction sleeve encounters superhard materials such as steel blocks When it is damaged, the moving bushing can play a good role in protecting the moving cone; the fourth is that the inner-shrinking horn-shaped pry pendulum at the lower part of the moving bushing has a good stirring effect on the sand pile, preventing it from accumulating and facilitating Drain quickly. the

Technical solution 1: special sand making chamber for conical sand making machine, the upper casing is located at the upper end of the lower casing, the adjusting screw sleeve is located on the upper casing and is spirally connected with the upper casing, and the inner wall of the adjusting screw sleeve is a middle protrusion , The upper and lower sides are ring-shaped horn-shaped slopes respectively. The anti-wear fixed sleeve is connected with the lower ring-shaped horn-shaped slope of the adjusting screw sleeve through the fixed sleeve bushing. The main shaft is located in the shaft hole in the center of the upper casing through the eccentric sleeve and the inner copper sleeve , the moving cone is sleeved on the main shaft by the spherical copper tile and the main shaft pushes the moving cone to swing. Driven by the moving cone, it forms a dynamic sand-making chamber with the wall of the anti-wear set sleeve. the

Technical solution 2: The adjustment method of the special sand making chamber of the conical sand making machine. When making sand, the screw sleeve is rotated and adjusted according to the diameter range of the required sand grains, and the adjustment screw sleeve drives the anti-wear device located on the lower ring-shaped horn-shaped slope. The fixed sleeve moves downward, so that the distance between the wall of the anti-wear fixed sleeve and the wall of the opposite anti-friction movable sleeve is equal to the diameter range of the required sand grains. At this time, start the locking cylinder to lock the adjusting screw sleeve to fix it with the upper casing. That's it. the

Compared with the background technology, the present invention has created a precedent of conical sand making. The potential energy generated by the conical cavity is used to make the stones squeeze, impact and break between the stones, that is, stone beating stones, which not only improves the sand making efficiency High, crushing ratio greater than 1:15, low energy consumption, low cost of sand making, and realizes the efficient working mechanism of one line of wear and stress and one surface of work and crushing; second, the surface of the sand making chamber has high hardness, wear resistance, The service life is long; the third is to realize the adjustment of the spacing of the sand-making chamber by lifting the adjusting screw sleeve, so as to achieve the purpose of adjusting the size of the sand-making particle size according to the requirements. the

Description of drawings

Figure 1 is a schematic cross-sectional structure diagram of a dedicated sand making chamber for a conical sand making machine. the

Detailed ways

Embodiment 1: with reference to accompanying drawing 1. Conical sand making machine special sand making chamber, the upper casing 2 is located at the upper end of the lower casing 1, the adjusting screw sleeve 4 is located on the upper casing 2 and is spirally connected with the upper casing 2, and the inner wall of the adjusting screw sleeve 4 is in the middle The bulge and the upper and lower sides are ring-shaped horn-shaped slopes respectively. The anti-wear fixed sleeve 6 is connected with the lower ring-shaped horn-shaped slope of the adjusting screw sleeve 4 through the fixed sleeve bush 5. The main shaft 13 is located on the upper machine through the eccentric shaft sleeve and the inner copper sleeve. In the shaft hole in the center of the shell 2, the movable cone 11 is sleeved on the main shaft 13 through the spherical copper tile, and the main shaft 13 pushes the movable cone 11 to swing. Sleeved on the cone surface of the movable sleeve bushing 10 and the wall surface of the wear-resistant movable sleeve 7 forms a dynamic sand-making chamber 12 with the wall surface of the wear-resistant fixed sleeve 6 under the promotion of the movable cone. the

The sand-making chamber 12 is annular, with a large upper part and a smaller lower part. The size of the sand grains depends on the distance between the wall surface of the anti-wear movable sleeve 7 and the wall surface of the anti-wear fixed sleeve 6 . the

The main shaft 13 is covered with an embedding device sleeve 8 and the lower end surface of the embedding device sleeve 8 is in contact with the upper end surface of the anti-friction dynamic sleeve 7, and the upper end surface is locked on the main shaft 13 by a locking nut 9. the

The upper casing 2 is provided with a locking oil cylinder 3 for locking the adjusting screw sleeve 4 .

The moving bushing 10 and fixed bushing 5 are high manganese steel moving bushing and high manganese steel fixed bushing. the

The lower opening of the moving sleeve bushing 10 is prying with a hypotenuse at the inner opening. the

The anti-wear moving sleeve 7 and the anti-wear fixed sleeve 6 are high chromium cast iron. the

Embodiment 2: On the basis of Embodiment 1, grooves are formed on the inner tapered surface of the anti-friction moving sleeve 7 in the circumferential direction. the

Embodiment 3: On the basis of Embodiment 1, the adjustment method of the special sand making chamber of the conical sand making machine. When making sand, the adjusting screw sleeve 4 is rotated according to the diameter range of the required sand grains, and the adjusting screw sleeve 4 drives the The anti-wear fixed sleeve 6 on the lower annular trumpet-shaped slope moves downward, so that the distance between the wall of the anti-wear fixed sleeve 6 and the wall of the opposite anti-friction movable sleeve 7 is equal to the diameter range of the required sand grains, and the locking oil cylinder is started at this time 3 Lock the adjusting screw sleeve 4 so that it can be fixed with the upper casing 2. the

It should be understood that: although the above-mentioned embodiments have made more detailed text descriptions to the design ideas of the present invention, these text descriptions are only simple text descriptions to the design ideas of the present invention, rather than limitations to the design ideas of the present invention. The combination, addition or modification of the design concept of the present invention all fall within the protection scope of the present invention. the

Claims (2)

1. the special-purpose sand processed of cone sand making machine chamber, it is characterized in that: upper casing is positioned at lower casing upper end, adjustment swivel nut is positioned on upper casing and is spiral with upper casing and spins supporting, adjusting swivel nut inwall is intermediate projections, upper and lower both sides are respectively the horn-like inclined-plane of ring-type, rich chromium cast iron anti-wear movable sleeve inner conical surface hoop has groove, rich chromium cast iron anti-wear fixed sleeve is connected with the horn-like inclined-plane of ring-type under adjustment swivel nut by potassium steel fixed sleeve bushing, main shaft passes through excentric sleeve, interior copper sheathing is positioned at the axis hole at upper casing center, mantle is enclosed within on main shaft and is promoted mantle by main shaft by sphere brasses and swings, potassium steel movable sleeve bushing is enclosed within on the conical surface of mantle, rich chromium cast iron anti-wear movable sleeve is enclosed within on the conical surface of potassium steel movable sleeve bushing and rich chromium cast iron anti-wear movable sleeve wall forms dynamic system sand chamber with rich chromium cast iron anti-wear fixed sleeve wall under the promotion of mantle, described sand processed chamber ringwise, up big and down small, the size of its sand grains depends on the spacing size between rich chromium cast iron anti-wear movable sleeve wall and rich chromium cast iron anti-wear fixed sleeve wall, on described main shaft, cover has the tight device cover of embedding and the tight device cover of embedding lower surface to touch mutually with rich chromium cast iron anti-wear movable sleeve upper surface, upper surface adopts locking nut to be locked on main shaft, described upper casing is provided with locking cylinder and for locking adjustment swivel nut, described potassium steel movable sleeve bushing end opening is interior closing in hypotenuse sled pendulum.

2. the special-purpose sand processed of cone sand making machine according to claim 1 chamber, is characterized in that: described excentric sleeve refers to that the axis hole in excentric sleeve is eccentric.