CN212882597U - Novel self-tooth-forming jaw plate - Google Patents
Novel self-tooth-forming jaw plate Download PDFInfo
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- CN212882597U CN212882597U CN202020945147.9U CN202020945147U CN212882597U CN 212882597 U CN212882597 U CN 212882597U CN 202020945147 U CN202020945147 U CN 202020945147U CN 212882597 U CN212882597 U CN 212882597U
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- jaw
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Abstract
The utility model provides a novel become tooth jaw by oneself, includes the jaw body, and the working face of jaw body is the plane, and the embedded wear-resisting reinforcement that establishes of jaw body at the working face, the position of wear-resisting reinforcement corresponds with the top position of former jaw working face. The working face is arranged on the upper portion and the lower portion of the jaw plate body, and the middle portion is provided with a rack. The utility model discloses set the thickness of two wearing and tearing working faces of jaw to the highest thickness of normal jaw tooth in advance, just so increased the effective wearing and tearing volume of jaw wearing and tearing working face. And then wear-resistant reinforcement bodies are embedded in the two smooth wear working surface tooth parts of the jaw plate, and when the jaw plate works normally, the base bodies at the bottom parts of the original jaw plate teeth are sunk through wear by utilizing the difference between the base bodies of the jaw plate and the wear-resistant reinforcement bodies. The tooth top of the original jaw plate has light abrasion depression due to the high abrasion resistance of the abrasion-resistant reinforcement body, so that the tooth bottom and the tooth top of the jaw plate are gradually formed along with the extension of the working time of the jaw plate, and the service life of the jaw plate is prolonged.
Description
Technical Field
The utility model belongs to jaw breaker, specifically speaking relate to a jaw plate that uses inside the jaw breaker.
Background
At present, jaw plates of jaw crushers are all produced by high manganese steel with excellent toughness. The high manganese steel material has high impact toughness, can prevent large materials from being broken when impacted, has work hardening capacity, and can produce work hardening on the surface under the action of large impact force to improve the wear resistance of the jaw plate. However, the high manganese steel has higher impact toughness, increases the rheology of the jaw plate teeth, and leads the working teeth of the jaw plate to be worn more quickly.
The teeth of the jaw plate are cast and formed in a whole body, and when the jaw plate works, materials are crushed by means of the engagement extrusion force between the teeth of the movable jaw plate and the teeth of the fixed jaw plate, so that the teeth of the jaw plate are worn more and more flatly, and the jaw plate needs to be replaced when the teeth of the jaw plate are worn to a certain thickness.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel become tooth jaw by oneself.
The utility model discloses set the thickness of two wearing and tearing working faces of jaw to the highest thickness of normal jaw tooth in advance, just so increased the effective wearing and tearing volume of jaw wearing and tearing working face. And then wear-resistant reinforcement bodies are embedded in the two smooth wear working surface tooth parts of the jaw plate, and when the jaw plate works normally, the base bodies at the bottom parts of the original jaw plate teeth are sunk through wear by utilizing the difference between the base bodies of the jaw plate and the wear-resistant reinforcement bodies. The tooth top of the original jaw plate has light abrasion depression due to the high abrasion resistance of the abrasion-resistant reinforcement body, so that the tooth bottom and the tooth top of the jaw plate are gradually formed along with the extension of the working time of the jaw plate, and the service life of the jaw plate is prolonged.
The purpose of the utility model is realized with the following mode:
the utility model provides a novel become tooth jaw by oneself, includes the jaw body, and the working face of jaw body is the plane, and the embedded wear-resisting reinforcement that establishes of jaw body at the working face, the position of wear-resisting reinforcement corresponds with the top position of former jaw working face.
Above-mentioned novel become tooth jaw certainly, the working face sets up in the upper portion and the lower part of jaw body, and the middle part is provided with the rack.
The novel self-tooth-forming jaw plate is characterized in that the wear-resistant reinforcement body and the rack are arranged on the same straight line.
The novel tooth-forming jaw plate is characterized in that the jaw plate body is made of alloy high manganese steel.
The alloy high manganese steel comprises the following components in percentage by mass:
| C | Mn | Cr | Si | Vi | Ti | S | P |
| 1.15~1.25 | 11.5~13.5 | 1.5~1.7 | 0.6~0.8 | 0.05~0.08 | 0.04~0.06 | ≤0.04 | ≤0.04 |
by adopting the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a set two wearing and tearing working faces of jaw to the plane in advance, the thickness of two wearing and tearing working faces sets to the highest thickness of normal jaw tooth in the background art promptly, and two wearing and tearing working faces are a plane like this, have just increased the effective wearing and tearing volume of jaw wearing and tearing working face.
And then wear-resistant reinforcement bodies are arranged on two flat wear working surfaces of the jaw plate in advance at the teeth parts of the normal jaw plate in the background technology, and when the jaw plate starts to work normally, the base bodies at the bottom parts of the original jaw plate teeth are sunk by wear by utilizing the difference of the wear resistance of the jaw plate base bodies and the wear-resistant reinforcement bodies and the shadow effect of the wear-resistant reinforcement bodies. In the background technology, the tooth top of the jaw plate has light abrasion depression due to the high abrasion resistance of the abrasion-resistant reinforcement body, so that the tooth bottom and the tooth top of the jaw plate are gradually formed along with the extension of the working time of the jaw plate, thereby prolonging the service life of the jaw plate.
Adopt above-mentioned technical scheme, the utility model discloses a can increase substantially the life of jaw.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
Detailed Description
A new self-biting jaw as shown in fig. 1 to 3, which is an improvement on the basis of the original jaw. The jaw plate is a tooth plate of the jaw crusher for short, and the jaw plate is divided into a fixed jaw plate and a movable jaw plate, namely a static jaw plate and a movable jaw plate, which are main parts in the jaw crusher. When the jaw crusher is in an operating state, the movable jaw is attached to the movable jaw plate to do compound pendulum type motion, and an angle is formed between the movable jaw plate and the fixed jaw plate to extrude stone. Thus, it is a relatively easily damaged fitting in a jaw crusher. The structure of moving the jaw is evenly provided with the jaw tooth on the jaw body, and the structure of quiet jaw also evenly sets up the jaw tooth on the jaw body, moves the jaw tooth of jaw and the setting of being the engaged state of the jaw tooth of quiet jaw each other.
At present, jaw plates of jaw crushers are all produced by high manganese steel with excellent toughness. The high manganese steel material has high impact toughness, can prevent large materials from being broken when impacted, has work hardening capacity, and can produce work hardening on the surface under the action of large impact force to improve the wear resistance of the jaw plate. However, the high manganese steel has higher impact toughness, increases the rheology of the jaw plate teeth, and leads the working teeth of the jaw plate to be worn more quickly.
The teeth of the jaw plate are cast and formed in a whole body, and when the jaw plate works, materials are crushed by means of the engagement extrusion force between the teeth of the movable jaw plate and the teeth of the fixed jaw plate, so that the teeth of the jaw plate are worn more and more flatly, and the jaw plate needs to be replaced when the teeth of the jaw plate are worn to a certain thickness.
The utility model discloses a set two wearing and tearing working faces of jaw commonly used at present to the plane, do not set up the jaw tooth, the thickness of two wearing and tearing working faces sets to the highest thickness of normal jaw tooth in the background art promptly, and two wearing and tearing working faces are a plane like this, have just increased the effective wearing and tearing volume of jaw wearing and tearing working face. And then wear-resistant reinforcement bodies are arranged on two flat wear working surfaces of the jaw plate in advance at the teeth parts of the normal jaw plate in the background technology, and when the jaw plate starts to work normally, the base bodies at the bottom parts of the original jaw plate teeth are sunk by wear by utilizing the difference of the wear resistance of the jaw plate base bodies and the wear-resistant reinforcement bodies and the shadow effect of the wear-resistant reinforcement bodies. In the background technology, the tooth top of the jaw plate has light abrasion depression due to the high abrasion resistance of the abrasion-resistant reinforcement body, so that the tooth bottom and the tooth top of the jaw plate are gradually formed along with the extension of the working time of the jaw plate, thereby prolonging the service life of the jaw plate.
The utility model discloses a concrete structure as follows: the jaw plate comprises a jaw plate body 1, a rack is arranged in the middle of the jaw plate body, the jaw plate body on the upper portion and the lower portion of the rack is a working surface, the working surface is a plane, a wear-resistant reinforcement body is embedded in the jaw plate body corresponding to the working surface, and the position of the wear-resistant reinforcement body corresponds to the tooth top of the original jaw plate working surface. The utility model discloses a set the thickness of two wearing and tearing working faces of jaw to the highest thickness of former normal jaw tooth in advance, two wearing and tearing working faces are the plane like this, have just increased the effective wearing and tearing volume of jaw wearing and tearing working face. The wear-resistant reinforcement bodies 2 are arranged in advance at the tooth parts of the two flat wear working surfaces of the jaw plate and the two flat wear working surfaces of the original jaw plate, and when the jaw plate starts to work normally, the base bodies at the bottom parts of the teeth of the original jaw plate are sunk through wear by utilizing the difference of the wear resistance of the base bodies of the jaw plate and the wear-resistant reinforcement bodies 2 and the shadow effect of the wear-resistant reinforcement bodies 2. The abrasion depression of the top of the original jaw plate tooth is light due to the high abrasion resistance of the abrasion-resistant reinforcement body 2, so that the tooth bottom and the tooth top of the jaw plate are gradually formed along with the extension of the working time of the jaw plate, and the service life of the jaw plate is prolonged.
In the utility model, the jaw plate refers to the movable jaw and the static jaw, the wear-resistant reinforcement of the movable jaw corresponds to the base body of the static jaw, and the base body of the movable jaw corresponds to the wear-resistant reinforcement of the static jaw. When the jaw plate works, the jaw plate body and the base body at the bottom of the original jaw plate tooth are sunk through abrasion by utilizing the difference of the abrasion resistance of the static jaw base body and the abrasion resistance reinforcement body of the movable jaw and the shadow effect of the abrasion resistance reinforcement body. The abrasion depression of the top of the original jaw plate tooth is light due to the high abrasion resistance of the abrasion-resistant reinforcement body 2, so that the tooth bottom and the tooth top of the jaw plate are gradually formed along with the extension of the working time of the jaw plate, and the service life of the jaw plate is prolonged.
The utility model discloses, wear-resisting reinforcement and rack setting are on same straight line, also can not be on same straight line.
The utility model discloses, the material of jaw body is alloy high manganese steel.
The alloy high manganese steel comprises the following components in percentage by mass:
| C | Mn | Cr | Si | Vi | Ti | S | P |
| 1.15~1.25 | 11.5~13.5 | 1.5~1.7 | 0.6~0.8 | 0.05~0.08 | 0.04~0.06 | ≤0.04 | ≤0.04 |
smelting process of jaw plate material alloy high manganese steel
The alloy high manganese steel smelting basic requirements are as follows:
1. adopting an alkaline smelting furnace
2. Pre-deoxidizing and inserting aluminum for deoxidizing before discharging, ensuring good deoxidizing and controlling the S, P content to be below 0.004.
3. The density of the casting is ensured, and the defects of no air holes, shrinkage cavities and the like are overcome.
4. The RE, Si-Ca alloy requires that the size of the fracture not be too large, which can be determined by the amount of ladle water, about 5-10mm particles.
5. The molten steel is required to be kept stand for at least 3 minutes after being poured in, and then is cast.
The method comprises the steps of proportioning according to the requirements of the components, putting scrap steel, ferrochrome and ferrovanadium into a furnace for melting and cleaning, slagging off, adding ferromanganese, ferrosilicon and ferrotitanium, pre-deoxidizing (0.05%) after slagging off, pouring 0.2% of Re and 0.2% of Si-Ca powder into steel tapping, and pouring a test bar. And blowing argon for 8 minutes for the rest molten steel, pouring 0.2 percent of Re and 0.2 percent of Si-Ca powder into the molten steel, and pouring a second test bar.
Raw materials and equipment required by alloy high manganese steel smelting
First, alloy material
1. Ferromanganese: high carbon ferromanganese, FeMn68C6-7
2. Electrolytic manganese
Cr iron: low carbon and high carbon Cr iron: cr55C25-50 and Cr55C600
4. Silicon iron: 75 silicon
5. Vanadium iron: FeV50 or 75
6. Titanium iron: FeTi30
7. Rare earth ferrosilicon or Baotou No. 1#
8. Pure aluminium wire or strip
9. Silicon-calcium alloy: si55, Ca28
10. Carburant (for adjusting carbon content)
Second, smelting auxiliary materials
1. Basic furnace lining
2. A slag former: metallurgy lime and fluorite
3. Slag conglomeration agent
4. Exothermic riser and heat-insulating covering agent
6. Alloy high manganese steel standard sample (for spectrometer chemical composition analysis)
Third, heat treatment
1. A high-temperature quenching furnace: 1050 ℃ 1150 DEG C
2. Circulating water pool
3. Circulating water cooling device
7. Pouring of alloy high manganese steel jaw plate
And (4) casting and molding by adopting a high-temperature tapping and low-temperature casting mode. The tapping temperature is 1530 ℃ and 1550 ℃, and the casting temperature is 1400 ℃ and 1420 ℃.
What has been described above is only the preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, without departing from the overall concept of the present invention, a plurality of changes and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the effect of the present invention and the utility of the patent.
Claims (3)
1. The utility model provides a novel become tooth jaw certainly, includes the jaw body, its characterized in that: the working face of the jaw plate body is a plane, a wear-resistant reinforcement is embedded in the jaw plate body of the working face, the position of the wear-resistant reinforcement corresponds to the tooth top of the original jaw plate working face, the working face is arranged on the upper portion and the lower portion of the jaw plate body, and a rack is arranged in the middle of the working face.
2. The new self-biting jaw as claimed in claim 1, wherein: the wear-resistant reinforcement body and the rack are arranged on the same straight line.
3. The new self-biting jaw as claimed in claim 1, wherein: the jaw plate body is made of alloy high manganese steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020945147.9U CN212882597U (en) | 2020-05-29 | 2020-05-29 | Novel self-tooth-forming jaw plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020945147.9U CN212882597U (en) | 2020-05-29 | 2020-05-29 | Novel self-tooth-forming jaw plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212882597U true CN212882597U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020945147.9U Active CN212882597U (en) | 2020-05-29 | 2020-05-29 | Novel self-tooth-forming jaw plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212882597U (en) |
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2020
- 2020-05-29 CN CN202020945147.9U patent/CN212882597U/en active Active
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