CN116174777A

CN116174777A - Tooth machine is got to impacter

Info

Publication number: CN116174777A
Application number: CN202310041669.4A
Authority: CN
Inventors: 吉伟; 姚程
Original assignee: CHANGSHA TIANHE DRILLING TOOLS AND MACHINERY CO LTD
Current assignee: CHANGSHA TIANHE DRILLING TOOLS AND MACHINERY CO LTD
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-05-30

Abstract

The invention provides a tooth taking machine for a impactor, which comprises a portal, a supporting device and a quick adapter, wherein the supporting device is slidably installed on the portal, the quick adapter is installed on the supporting device, the supporting device is driven by a linear lifting mechanism to move along a stand column, the bottom of the quick adapter is connected with the impactor through a transition joint, the top of the quick adapter is connected with an air compressor, the air compressor provides impact power for the impactor, a supporting plate is fixed between two stand columns of the portal at the bottom of the portal, a tooth taking supporting plate is arranged on the supporting plate, a plurality of supporting columns which are vertically arranged are arranged on the tooth taking supporting plate, the supporting columns correspond to positions of hard alloy teeth which are not installed on a drill bit, and an induction heating ring is further arranged on the supporting plate, and the heating area of the induction heating ring corresponds to the position of the drill bit.

Description

Tooth machine is got to impacter

Technical Field

The invention relates to a tooth taking machine of an impactor.

Background

Because the recovery value of the waste hard alloy is far higher than the price of steel, the hard alloy teeth and the steel body part of the drill bit are separated and recycled for the waste drill bit of a down-the-hole type, so that the recovery economy of the drill bit is improved, but if the hard alloy pressed into the steel body of the drill bit is required to be withdrawn from the drill bit, the steel part of the hard alloy wrapped on the down-the-hole drill bit is cut by flame in the prior general routine, the separation and extraction of the hard alloy teeth and the steel body of the drill bit are finished, but the steel is stuck on the hard alloy teeth after flame cutting, and the outer surface of the hard alloy teeth is cut frequently; the price of the hard alloy teeth adhered with steel is far lower than that of the hard alloy without any impurities, so that a device capable of conveniently separating the drill bit from the hard alloy teeth is urgently needed.

Disclosure of Invention

The invention solves the defects of the prior art, and provides the impactor tooth extractor which is convenient for separating the drill bit steel body from the hard alloy tooth and has clean surface of the hard alloy tooth after being taken out.

In order to achieve the above purpose, the invention firstly provides a tooth taking machine of an impactor, which comprises a portal, a supporting device which is slidably arranged on the portal and a quick adapter which is arranged on the supporting device, wherein the supporting device is driven by a linear lifting mechanism to move along a stand column, the bottom of the quick adapter is connected with the impactor through a transition joint, the top of the quick adapter is connected with an air compressor, the air compressor provides impact power for the impactor, the bottom of the portal is fixedly provided with a supporting plate between two stand columns of the portal, the supporting plate is provided with a tooth taking supporting plate, the tooth taking supporting plate is provided with a plurality of supporting columns which are vertically arranged, the supporting columns correspond to positions of the drill bits, the positions of the drill bits are not provided with hard alloy teeth, the supporting plate is also provided with an induction heating ring, the heating area of the induction heating ring corresponds to the positions of the drill bits, and when in a working state, the drill bits of the impactor are arranged in the heating area of the induction heating ring, and the positions of the drill bits, which are not provided with the hard alloy teeth, are supported on the supporting columns.

In this embodiment, the portal comprises two upright posts installed vertically and a connecting post installed between the two upright posts and distributed horizontally.

In this embodiment, the length of the support post is greater than the length of the cemented carbide teeth on the drill bit.

In this embodiment, two stands are on opposite sides and are equipped with the spout along vertical on, strutting arrangement includes two pressure strips and connecting plate, and the both ends of two pressure strips are installed respectively through the slider in the spout of stand, connect through the connecting plate that the level was laid between two pressure strips, quick adapter is installed on the connecting plate.

In this embodiment, the straight line elevating system includes the lift hydraulic stem and provides hydraulic power's hydraulic station for the lift hydraulic stem, the vertical layout of lift hydraulic stem, the one end of connecting plate stretches out the expansion end connection of pressure strip and lift hydraulic stem, the fixed end of lift hydraulic stem is fixed subaerial.

In this embodiment, along vertical being provided with the spacing groove on two stands opposite one side, the stop slot diameter of two stands is installed the stabilising arrangement to the radial spacing of impacter, stabilising arrangement is including righting the pole and righting the handle, righting pole one end and fixing in the spacing inslot of stand, the other end is towards the outer jar of impacter, righting the pole and being equipped with the slot in the one end towards impacter, the one end cartridge of righting the handle is in the slot of righting the pole to fixed through positioning bolt, the other end of righting the handle is equipped with V type jack catch, and the impacter is through the V type jack catch radial positioning on the right handle of both sides.

By adopting the structure, the induction heating ring is utilized to heat the drill bit, so that the interference holding force of steel on the hard alloy teeth is eliminated, the impactor is started again, energy is obtained by the impactor, the support column is impacted, when the part of the drill bit, which is not provided with the hard alloy teeth, falls on the support column of the support plate, the drill bit immediately stops moving due to the support action of the support column, but the hard alloy teeth on the drill bit are in a suspended position, so that the hard alloy teeth continuously fall downwards under the energy action and the inertia action of the impactor, the hard alloy teeth originally inlaid on the drill bit body generate vibration action under the energy action of the impactor, the hard alloy teeth are separated from the drill bit body, and the method is adopted to ensure the extraction integrity of the hard alloy teeth, thereby fully utilizing the waste drill bit and improving the recycling value of the hard alloy.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is an enlarged view of the invention at A;

FIG. 3 is a schematic illustration of the structure of the invention with the induction heating coil removed at A;

fig. 4 is an enlarged view at B of the present invention.

In the attached drawings, 1, a connecting column; 2. a column; 3. a compacting plate; 4. a connecting plate; 5. a lifting hydraulic rod; 6. a hydraulic station; 7. a quick adapter; 8. a slide block; 9. a transition joint; 10. centralizing the handle; 101. positioning bolts; 102. v-shaped clamping jaws; 11. a righting rod; 12. an impactor; 121. cemented carbide teeth; 13. a drill bit; 14. taking a tooth supporting plate; 141. a support column; 15. an induction heating coil; 16. a support plate; 17. an induction heating power supply; 18. an air compressor.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.

As shown in fig. 1 to 4, the invention provides a tooth taking machine of an impactor, which comprises a portal, a supporting device and a quick adapter 7, wherein the supporting device is slidably arranged on the portal, the quick adapter 7 is arranged on the supporting device, the portal is composed of two upright posts 2 which are vertically arranged and connecting posts 1 which are horizontally arranged between the two upright posts 2, a supporting plate 16 is fixed between the bottoms of the two upright posts 2 and under the quick adapter 7, a tooth taking supporting plate 14 is arranged on the supporting plate 16, a plurality of supporting columns 141 which are vertically arranged are arranged on the tooth taking supporting plate 14, the supporting columns 141 correspond to the positions of the hard alloy teeth 121 which are not arranged on a drill bit 13, the length of the supporting columns 141 is larger than the length of the hard alloy teeth 121 on the drill bit 13, an induction heating ring 15 is also arranged on the supporting plate 16, the heating area of the induction heating ring 15 corresponds to the position of the drill bit 13, the induction heating ring 15 is connected with an induction heating power supply 17, a limit groove is vertically arranged on one side opposite to the two upright posts 2, a chute is vertically arranged on the opposite side of the two upright posts 2, the supporting device comprises two pressing plates 3 and a connecting plate 4, two ends of the two pressing plates 3 are respectively arranged in the chute of the upright posts 2 through sliding blocks 8, the two pressing plates 3 are connected through the connecting plate 4 which is horizontally arranged, the supporting device is driven by a linear lifting mechanism to move along the upright posts 2, the quick adapter 7 is arranged on the connecting plate 4, the bottom of the quick adapter 7 is connected with the impactor 12 through a transition joint 9, the top of the quick adapter 7 is connected with an air compressor 18, the air compressor 18 provides impact power for the impactor 12, during working conditions, a drill bit 13 of the impactor 12 is arranged in a heating area of the induction heating ring 15, and the bit 13 is supported on the support column 141 at a position where the cemented carbide 121 is not mounted.

The stabilizer is further arranged between the impactor 12 and the door frame and comprises a centralizing rod 11 and a centralizing handle 10, one end of the centralizing rod 11 is fixed in a limiting groove of the upright post 2, the other end of the centralizing rod faces an outer cylinder of the impactor 12, a slot is formed in one end of the centralizing rod 11, which faces the impactor 12, one end of the centralizing handle 10 is inserted into the slot of the centralizing rod 11 and is fixed through a positioning bolt 101, the other end of the centralizing handle 10 is a V-shaped claw 102, the impactor 12 is radially positioned through the V-shaped claws 102 on the centralizing handles 10 at two sides, and the impactor 12 is prevented from moving radially during working.

The linear lifting mechanism comprises a lifting hydraulic rod 5 and a hydraulic station 6 for providing hydraulic power for the lifting hydraulic rod 5, the lifting hydraulic rod 5 is vertically arranged, one end of the connecting plate 4 extends out of the compacting plate 3 and is connected with the movable end of the lifting hydraulic rod 5, and the fixed end of the lifting hydraulic rod 5 is fixed on the ground.

During the use, be connected quick adapter 7 with air compressor 18, pass through transition joint 9 with the impacter 12 and be connected quick adapter 7, power through air compressor 18 provides, compressed air is connected with impacter 12 through quick adapter 7, transition joint 9, thereby provide impact power for impacter 12, impacter 12 acts on drill bit 13, drill bit 13 acts on backup pad 16, the outer jar of impacter is fixed through preceding V-arrangement jack catch 102 to the righting handle 10, the degree of depth of righting handle 10 cartridge in righting pole 11 can be adjusted, fix both positions with positioning bolt after adjusting, thereby adapt to the diameter size of different impacter outer jars through adjusting the position of righting handle 10, thereby guarantee that the impacter during operation can not appear having too big deflection amplitude through righting handle 10, reduce the influence to getting tooth work efficiency.

The supporting device can support and connect the impacter on the one hand, and on the other hand, the position of the supporting device can be adjusted in the vertical direction through the linear lifting mechanism, so that the impacter can be conveniently installed and detached.

Because the hard alloy teeth embedded on the down-the-hole drill bit are fastened through the interference fit of the hole shaft. Cemented carbides generally have a linear expansion coefficient of 7 x 10 ^-6 The linear expansion coefficient of the steel material is 12 multiplied by 10 at the temperature of mm/DEG C ^-6 When the drill bit is heated to a certain temperature, the interference holding force of the steel on the hard alloy teeth 121 disappears, the heating economy is considered in the embodiment, the temperature when the hard alloy and the drill bit steel body are heated to the right disappearance is taken as the best, and the heating temperature is generally selected to be 700-800 ℃ according to the size of the excircle of the drill bit body.

When the drill bit 13 is in operation, the drill bit is placed in the induction heating ring 15, the impact device is started after the drill bit is heated to the required temperature by the induction heating ring 15, the impact device obtains energy to impact the supporting column 141, and when the part of the drill bit, which is not provided with the hard alloy teeth 121, falls on the supporting column 141 of the supporting plate 14, the drill bit 13 is immediately stopped, but the hard alloy teeth 121 on the drill bit are in a suspended position, so that the hard alloy teeth 121 continue to move under the energy effect and the inertia effect of the impact device, and the hard alloy teeth 121 originally embedded on the drill bit body are separated from the drill bit 13 under the effects of vibration and inertia.

The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather utilizing equivalent structural changes made in the present invention description and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present invention.

Claims

1. The utility model provides a tooth machine is got to impacter which characterized in that: including portal, slidable mounting strutting arrangement on the portal and install quick-operation joint (7) on strutting arrangement, strutting arrangement passes through the vertical removal of straight line elevating system drive along stand (2) direction, the bottom of quick-operation joint (7) is connected with impacter (12) through transition joint (9), air compressor (18) are connected at the top of quick-operation joint (7), the bottom of portal, be fixed with the backup pad between portal two stands (2), be equipped with in the backup pad and get tooth backup pad (14), be equipped with many spinal branch daggers (141) of vertical setting on getting tooth backup pad (14), the position that does not adorn carbide tooth (121) on support column (141) and drill bit (13) corresponds, still be equipped with induction heating circle (15) in the backup pad, the zone of heating of induction heating circle (15) corresponds with drill bit (13) position, during operating condition, drill bit (13) of impacter (12) set up in induction heating circle (15) to do not adorn on the position of carbide tooth (121) on support column (141).

2. The impactor tooth extractor of claim 1, wherein: the portal frame is composed of two upright posts (2) which are vertically arranged and connecting posts (1) which are arranged between the two upright posts (2) horizontally.

3. The impactor tooth extractor of claim 1, wherein: the height of the support column (141) is larger than the length of the hard alloy teeth (121) on the drill bit (13).

4. The impactor tooth extractor of claim 2, wherein: two stand (2) are equipped with the spout along vertical on one side of being on the back of the body mutually, strutting arrangement includes two pressure strip (3) and connecting plate (4), and the both ends of two pressure strip (3) are installed respectively in the spout of stand (2) through slider (8), are connected through connecting plate (4) that the level was laid between two pressure strip (3), quick adapter (7) are installed on connecting plate (4).

5. The impactor tooth extractor of claim 4, wherein: the linear lifting mechanism comprises a lifting hydraulic rod (5) and a hydraulic station (6) for providing hydraulic power for the lifting hydraulic rod (5), the lifting hydraulic rod (5) is vertically arranged, one end of the connecting plate (4) extends out of the compacting plate (3) and is connected with the movable end of the lifting hydraulic rod (5), and the fixed end of the lifting hydraulic rod (5) is fixed on the ground.

6. The impactor tooth extractor of claim 5, wherein: the utility model provides a stabilizer that is provided with spacing groove along vertical on two stand (2) opposite sides, the spacing groove diameter of two stand (2) is installed to the radial spacing of impacter (12), stabilizer includes righting pole (11) and righting handle (10), righting pole (11) one end is fixed in the spacing inslot of stand (2), and the other end is towards the outer jar of impacter (12), righting pole (11) is equipped with the slot in the one end towards impacter (12), the one end cartridge of righting handle (10) is in the slot of righting pole (11) to through positioning bolt (101) fixed, the other end of righting handle (10) is equipped with V type jack catch (102), and impacter (12) are through V type jack catch (102) radial positioning on the both sides righting handle (10).