CN204298430U - A kind of charge mechanism of vacuum heat treatment furnace - Google Patents
A kind of charge mechanism of vacuum heat treatment furnace Download PDFInfo
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- CN204298430U CN204298430U CN201420799347.2U CN201420799347U CN204298430U CN 204298430 U CN204298430 U CN 204298430U CN 201420799347 U CN201420799347 U CN 201420799347U CN 204298430 U CN204298430 U CN 204298430U
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Abstract
The utility model provides a kind of charge mechanism of vacuum heat treatment furnace, belongs to field of mechanical technique.It solve the technical problems such as prior art charging efficiency is low.This charge mechanism comprises: two towards the line slide rail of fire door, line slide rail are connected with fork truck, fork truck is provided with platen, and the upper end of brake lever is articulated in the front end of platen, and lower end and the line slide rail of brake lever removably connect; Charging basket is positioned on the upper face of platen, and bar hole is opened on base in the horizontal direction, and guide rod passes bar hole and is connected with platen, is provided with location structure between guide rod and platen; Infrared laser has two and to be individually fixed in the both sides of platen rear end corresponding with the both sides of charging basket, the fire door of vacuum heat treatment furnace is provided with two corresponding with two infrared lasers respectively targets.The utility model can improve charging efficiency.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of charge mechanism of vacuum heat treatment furnace.
Background technology
The complex art that vacuum heat and vacuum technique and heat treatment two specialties combine, it almost can realize whole Technology for Heating Processing, as quenching, annealing, tempering, carburizing, nitrogenize, can realize in quenching technical that gas is quenched, oil quenching, nitrate quenching, shrend etc., can also vacuum brazing, sintering, surface treatment etc. be carried out.Vacuum heat furnace thermal efficiency is high, can realize being rapidly heated and lowering the temperature, and can realize non-oxidation, without decarburization, without carburizing, can remove the phosphorus bits of surface of the work, and have the effects such as degreasing degasification, thus reach the effect of surface-brightening purification.In general, processed workpiece heats slowly in stove, and interior hot temperature difference is less, and thermal stress is little, is thus out of shape little.
Patent CN 103998884A discloses a kind of vacuum heat treatment device, and it possesses: vacuum drying oven, can be decompressed to vacuum state; Thermally insulated container, is located in vacuum drying oven, storage treated object, and has at least 2 openings; Heating part, is located in thermally insulated container, heating treated object; Cap, during heating part heating treated object, at least makes 2 of thermally insulated container openings become closed state; And cooling device, cooling medium is cooled and sends, and the cooling medium sent is reclaimed.This meal, this vacuum heat treatment device, also possesses: ductor, when 2 openings of thermally insulated container are in open state, makes the cooling medium sent by cooling device be induced in thermally insulated container through an opening among 2 openings of adiabatic window; And travel mechanism, ductor is moved, with when 2 openings of thermally insulated container are in open state, make the mobile space inserting cap at least partially of ductor, and, before the cap of 2 openings for closed thermally insulated container moves, ductor is kept out of the way from the mobile space of cap.
China patent CN 201770738U discloses a kind of charge mechanism of horizontal vacuum heat-treatment furnace, it comprises pull bar drive unit, pull bar, short fork, long fork, material holder and guide rail, one end and the long fork of short fork connect into swing-bar mechanism by jackshaft, the other end of short fork is connected by the fixed axis be fixed on fork truck seat with pull bar, the upper end of long fork is held in the palm axle by material and is expected to hold in the palm to be connected, lower end is connected with pull bar by moving horizontally axle, be provided with roller in the bottom of described fork truck seat by roller shaft, described roller is positioned on guide rail.The arrangement achieves the handling demand of large-scale labor and materials turnover vacuum heat treatment furnace.
But, still there is following defect in above-mentioned charge mechanism: 1, fork truck to be rolled with guide rail by roller and is connected, there is no location structure between the two, when filling workpiece in material holder, as workpiece encounters material holder or fork truck, can be easy to fork truck is slided, thus the accuracy of impact charging, thus the workpiece when material delivery being entered in vacuum heat treatment furnace is easily damaged graphite in stove or other part, and then injury device or affect heat treated quality; 2, in prior art fill small workpiece time, usual needs fill a charging basket on fork truck, then workpiece is positioned in charging basket one by one, and the lifting of conveniently charging basket, usually just make the basket bottom of charging basket in the station for placing charging basket higher than vacuum heat treatment furnace at when filling with substance, higher height makes charging person be not easy to adjust the putting position of workpiece, frequent needs people passs material below, another person stands in splicing in charging basket and places, so not only charging efficiency is low, and the people stood in charging basket is also easy to injured; 3, due in charging process, when large workpiece clashes into on charging basket, charging basket is easy to offset, thus easily damage when charging basket is entered in vacuum heat treatment furnace graphite or other part; 4, make it offset because when filling with substance workpiece easily clashes into charging basket equally, it is also vital for now how judging whether charging basket has been displaced to the position that can not enter in stove.
In sum, above each factor all constrains the charging efficiency of vacuum heat treatment furnace.
Summary of the invention
The utility model is the problems referred to above existed for existing technology, and provide a kind of charge mechanism of vacuum heat treatment furnace, technical problem to be solved in the utility model is: the charging efficiency how improving vacuum heat treatment furnace.
The purpose of this utility model realizes by following technical proposal:
A charge mechanism for vacuum heat treatment furnace, is characterized in that, described charge mechanism comprises:
Line slide rail, described line slide rail has two and is all fixed on ground, and two line slide rails are parallel to each other and all towards the fire door of described vacuum heat treatment furnace;
Fork truck, the lower rotation of described fork truck is provided with several rollers be connected that rolls with described line slide rail;
Platen, described platen is positioned at the top of described fork truck, is provided with the drive source that can drive bedplate up-down between described platen and fork truck;
Brake lever, the upper end of described brake lever is articulated in the front end of described platen, and lower end and the described line slide rail of described brake lever removably connect;
Charging basket, described charging basket is positioned on the upper face of platen, and described charging basket comprises in netted base, described base is vertically fixed with four rhizospheres and becomes a rectangular column, be connected mutually between the upper end of two adjacent root posts by a cross bar;
Gag lever post, upper end and the described cross bar of described gag lever post are hinged, and the lower end of described gag lever post is detachably arranged on described base;
Bar hole, described bar hole is opened on described base in the horizontal direction, and the length direction of described bar hole is vertical with the length direction antarafacial of described line slide rail;
Guide rod, described guide rod is through described bar hole and being connected with described platen, and described guide rod can make the described charging basket location structure fixing and get loose relative to platen with being provided with between platen;
Infrared laser, described infrared laser has two and to be individually fixed in the both sides of described platen rear end corresponding with the both sides of described charging basket, the fire door of described vacuum heat treatment furnace is provided with two corresponding with two described infrared lasers respectively targets; When the ruddiness that two infrared lasers are launched can irradiate on target corresponding thereto respectively, described charging basket is in the position that can not collide with the part in vacuum heat treatment furnace; When the ruddiness that one of them is launched by charging basket block can not be irradiated on target time, then charging basket is in the position that can collide with the part in vacuum heat treatment furnace.
Its operation principle is as follows: because this apparatus design has brake lever, work as when filling with substance, the lower end of brake lever can be made to be connected with slide rail, thus make platen relative with slide rail fixing, also fork truck can not be made to move even if when filling with substance strikes platen because of carelessness, ensure the accuracy that workpiece is put; Because the charging basket of this device is designed with gag lever post, when smallclothes workpiece in-built toward charging basket, the lower end of gag lever post can be pulled down from base, hand can stretch in charging basket and carry out blowing by charging person easily, and need not stand in charging basket, improves charging efficiency; Because this apparatus design has guide rod and location structure, when when filling with substance makes charging basket relative with platen fixing by location structure, also can not make charging basket that very large displacement occurs even if workpiece strikes charging basket, when avoiding charging, charging basket strikes graphite in stove or other part; Because this apparatus design has infrared laser and target, by seeing that can the ruddiness that red laser is launched shine on target, thus judge that charging basket noly can strike graphite in stove or other part when entering stove.In sum, this device can improve the powder feeding efficiency of vacuum heat treatment furnace effectively.
As preferably, described drive source comprises a jack, and the base of described jack is fixed on described fork truck, and the end of the expansion link of described jack is connected mutually with described platen.
By the lifting of jack, thus drive the lifting of platen.Jack is the simplest crane gear that a kind of lifting is highly less than 1m, lifts part as equipment, the light little crane gear of jacking weight in stroke by top bracket or bottom claw with rigidity top.Divide mechanical type and fluid pressure type two kinds, principle is had nothing in common with each other.From principle, hydraulic jack based on principle be pascal's principle, that is: liquid pressure is everywhere consistent, like this, in the system of balance, above smaller piston, applied pressure is smaller, and on large piston, applied pressure is also larger, can keep the static of liquid like this.So by the transmission of liquid, the different pressure on different end can be obtained, so just can reach an object converted.We common to hydraulic jack be exactly make use of this principle to reach the transmission of power.Mechanic jacks adopts theory of mechanics, and back and forth to pull handle, namely pusher dog promotes the revolution of ratchet gap, and cone pinion drives large bevel gear, weight lifting screw rod is rotated, thus makes jacking sleeve acquisition hoist or decline, and reaches the function of lifting pulling force.But it is simple and easy not as hydraulic jack.Static pressure fundamental equation (p=p0+ ρ gh), is contained in the liquid in closed container, and when its additional pressure p0 changes, as long as liquid still keeps its original inactive state constant, in liquid, the pressure of any point all onesize change will occur.In other words, in closed container, the pressure put on inactive liquid will pass to each point with equivalence simultaneously.Hydrostatic Transfer Device principle that Here it is or title pascal's principle.Pascal's law is in hydrodynamics, and due to the mobility of liquid, the pressure change of certain part generation of the stationary fluid in closed container, by size unchangeably to all directions transmission.First Pascal has set forth this law.Pressure equals actuating pressure divided by lifting surface area.According to Pascal's law, a piston in Hydraulic Power System applies certain pressure, identical pressure increment will be produced on another piston.If the area of second piston is 10 times of the area of first piston, the power so acted on second piston will be increased to 10 times of first piston, and pressure on two pistons is still equal.This law is French mathematician, first physicist, philosopher Bu Laishi Pascal propose.This law has very important application in production technology, and hydraulic press is exactly the example of pascal's principle.It serves many purposes, as hydraulic braking etc.Pascal also finds that the pressure of any point in stationary fluid is respectively to equal, and namely this is all equal by the pressure in its all planes.This fact is also referred to as pascal's principle.Jack is mainly used in the department such as factories and miness, communications and transportation as Mechanical Help and other work such as lifting, support, and its light structure is firm, flexibility and reliability, and a people can carry and operate.
As preferably, described drive source comprises cylinder, and the cylinder body of described cylinder is fixed on described fork truck, and the end of the piston rod of described cylinder is connected mutually with described platen.
Piston rod by cylinder is flexible drives bedplate up-down.Cylinder is made up of cylinder barrel, end cap, piston, piston rod and seal etc., 1) the internal diameter size of cylinder barrel, cylinder barrel represents the size of cylinder power output.Piston will do and reciprocatingly slide stably in cylinder barrel, and the surface roughness of cylinder barrel inner surface should reach Ra0.8 μm.SMC, CM2 cylinder piston adopts combined seal ring to realize two way seal, and piston links with pressing, without nut with piston rod.2) end cap, end cap are provided with intake and exhaust port, and what have is also provided with buffer gear in end cap.Bar side end cap is provided with sealing ring and dust ring, to prevent from outwards leaking gas from piston rod and preventing external dust to be mixed in cylinder.Bar side end cap is provided with fairlead, to improve the guiding accuracy of cylinder, bears lateral load a small amount of on piston rod, reduces the lower curved amount of piston rod when stretching out, and extends cylinder service life.Fairlead uses oil-impregnated sintered alloy usually, lean forward copper casting.End cap is in the past conventional malleable cast iron, antirust for weight reduction, often use aluminium alloy compression casting, and small-bore cylinder has and uses brass material.3) piston, piston are the parts that is stressed in cylinder.For preventing the two mutual gas blowbies in chamber about piston, be provided with piston packing.Wear ring on piston can improve the guidance quality of cylinder, reduces the abrasion of piston packing, reducing friction resistance.Wear ring is long uses the materials such as polyurethane, polytetrafluoroethylene (PTFE), folder cloth synthetic resin.The width of piston is decided by sealing ring size and necessary slipper length.Slipper is too short, easily causes premature wear and stuck.The material Aluminium Alloys in Common Use of piston and cast iron, the piston of small-sized cylinder has brass to make.4) piston rod, piston rod are most important stressed parts in cylinder.Usual use high-carbon steel, surface is through hard chrome plating process or use stainless steel, with anticorrosion, and improve the wearability of sealing ring.5) seal parts of sealing ring, revolution or reciprocating motion place is called movable sealing, and the sealing of static element part is called static seal.The method of attachment of cylinder barrel and end cap mainly contains following several: monolithic devices, riveted, thread connection type, flange-type, pull rod type.6) mist of oil in pneumatically is wanted to lubricate piston during cylinder operation.Also fraction is had to exempt from lubricating cylinder.
As preferably, the lower end of brake lever is installed with a block rubber, described block rubber can be embedded in described line slide rail by elastic deformation and with this line slide rail interference fit.
Brake lever can be made up of 7075 aluminium alloys.7075 aluminium alloys are a kind of cold treatment forging and stamping alloys, and intensity is high, outclass mild steel.7075 is one of the most powerful alloys of commercialization.Common corrosion resistance, good mechanical properties and anode reaction.Small grains makes deep drilling performance better, and instrument wearability strengthens, and rolled thread is more unusual.Zinc is main alloy element in 7075, adds magnesium, can form the significant MgZn2 of strengthening effect to containing in the alloy of 3%-7.5% zinc, makes the thermal effectiveness of this alloy far better than in aluminium-zinc bianry alloy.Improve zinc, the content of magnesium in alloy, tensile strength can be further improved, but the ability of its stress corrosion resistant and anti-strip corrosion can decline thereupon.Through heat-treated, very high strength characteristics can be arrived.7075 materials generally all add the alloys such as a small amount of copper, chromium, and this is particularly top grade with 7075-T651 aluminium alloy in the middle of being, is described as product the most excellent in aluminium alloy, high, far away what mild steel competent of intensity.This alloy also has good mechanical and anode reaction.Represent purposes and have Aero-Space, Mould Machining, plant equipment, frock clamp, be used in particular for manufacturing aircaft configuration and other desired strengths are high, corrosion resistance is strong heavily stressed structure.Block rubber can be made up of chlorosulfonated polyethylene, and chlorosulfonated polyethylene (CSM) is that first Dupont company of the U.S. realizes industrialized in nineteen fifty-two.Chlorosulfonated polyethylene is obtained through superchlorination and chlorosulfonation by low density polyethylene (LDPE) or high density polyethylene (HDPE).For white or yellow elastic body, aromatic hydrocarbon can be dissolved in and chlorohydrocarbon is insoluble in fat and alcohol, can only swellingly can not dissolve in ketone and ether, there are excellent ozone resistance, resistance to weathering, chemical resistance etc., good physical and mechanical properties, ageing-resistant performance, heat-resisting and lower temperature resistance, oil resistivity, flame resistance, wearability and resistance to electrical insulating property.Of many uses, the Jin You U.S., Japan, Russia and a few countries such as Chinese have device in the world at present, and the total annual capacity about 7.5 ten thousand tons in the whole world, output is close to production capacity.The saturated elastomer of to be a kind of with polyethylene be main chain, mean molecule quantity 30000 ~ 120000.Wherein CSM2910 is 30000, CSM4010 is 40000, CSM3304 is 120000, C, SM2305 are 100000.Chlorosulfonated polyethylene is white or milky sheet or granular solids, relative density 1.07 ~ 1.28.Mooney viscosity 30 ~ 90.Brittleness temperature one 56 ~ 1 DEG C.The chemical constitution of CSM is completely saturated, has excellent ozone resistance, weatherability, heat resistance, flame retardancy, resistance to water, chemical proofing, oil resistivity, wearability etc.Solubility parameter δ=8.9 of CSM, molten hand aromatic hydrocarbon and halogenated hydrocarbons, only swelling and do not dissolve in ketone, ester, ether; , be insoluble to aliphatic hydrocarbon and alcohol.It has the general character of rubber, there is self distinctive performance simultaneously, there are excellent ozone resistance, resistance to weathering, chemical resistance etc., beautiful and charming physical and mechanical properties, ageing-resistant performance, heat-resisting and lower temperature resistance, oil resistivity, flame resistance, wearability and resistance to electrical insulating property.In addition, block rubber also can be made up of polyurethane rubber, and polyurethane rubber is polymerized by polyester (or polyethers) and two isocyanide amine lipoid substances.Its chemical constitution is more complicated than general elastomeric polymer, except recurrent carbamate groups, contains the groups such as ester group, ether, aromatic radical in strand toward contact.UR molecular backbone is inlayed by soft segment and rigid chain segment and is formed; Soft segment, also known as soft chain segment, is made up of oligomer polyol (as polyester, polyethers, polybutadiene etc.); Rigid chain segment, also known as hard segment, is made up of the product of vulcabond (as TDI, MDI etc.) with small molecule chain extender (as diamine and dihydroxylic alcohols etc.).Soft chain segment proportion is more than hard segment.The polarity of soft, hard segment is strong and weak different, and hard segment polarity is comparatively strong, easily flocks together, formed many microcell branches in soft chain segment mutually in, be called micro phase separation structure, its physical and mechanical properties and microphase separation degree have much relations.Owing to existing by the active force of hydrogen bond between UR molecular backbone, thus there is high-strength high elasticity.Characteristic: have that hardness is high, intensity good, high resiliency, high-wearing feature, tear-resistant, ageing-resistant, resistance to ozone, the advantage such as radiation hardness and good electric conductivity, be ordinary rubber can not be than.
As preferably, the lower end of brake lever is fixed with a clamp, and the upper surface of described slide rail offers the opening be obliquely installed, and described clamp can be connected in described opening.
As preferably, the lower end of described gag lever post is fixed with a grab, described base is provided with the buckle with the clamping of described grab phase.
As preferably, the lower end of described gag lever post offers screw, and the sidewall of described base offers through hole that can be coaxial with described screw, can the screw of grafting one simultaneously in described through hole and screw.
As preferably, described location structure comprises the blind hole be opened on described platen, internal thread is offered in described blind hole, the sidewall of described guide rod offers the external screw thread matched with described internal thread, the top of described guide rod is provided with limited block, and described guide rod is through bar hole and blind threaded connection.
As preferably, the nut that described location structure comprises the through hole be opened on described platen, is opened in the external screw thread on described guide rod sidewall and matches with described external screw thread, one end of described guide rod is provided with limited block, and the other one end of described guide rod is each passed through bar hole and is connected with nut thread with after the through hole on platen.
As preferably, described infrared laser comprises body and holder, and described body can red-emitting and be fixed on the upper surface of described holder; Described platen offers groove, and described holder can be embedded in described groove, is provided with a stage clip between described holder and the bottom land of groove.
As further preferably, the side of described holder be provided with can with the rubber layer of the sidewall interference fit of described groove.
Compared with prior art, the utility model has the following advantages:
1, because this apparatus design has brake lever, work as when filling with substance, the lower end of brake lever can be made to be connected with slide rail, from platen can be made relative with slide rail fixing, fork truck also can not be made to move even if when filling with substance strikes platen because of carelessness, ensure the accuracy that workpiece is put;
2, because the charging basket of this device is designed with gag lever post, when smallclothes workpiece in-built toward charging basket, the lower end of gag lever post can be pulled down from base, hand can stretch in charging basket and carry out blowing by charging person easily, and need not stand in charging basket, improves charging efficiency;
3, because this apparatus design has guide rod and location structure, when when filling with substance makes charging basket relative with platen fixing by location structure, also can not make charging basket that very large displacement occurs even if workpiece strikes charging basket, when avoiding charging, charging basket strikes graphite in stove or other part;
4, because this apparatus design has infrared laser and target, by seeing that can the ruddiness that red laser is launched shine on target, thus judge that charging basket noly can strike graphite in stove or other part when entering stove.In sum, this device can improve the powder feeding efficiency of vacuum heat treatment furnace effectively.
Accompanying drawing explanation
Fig. 1 is the structural representation of this charge mechanism in embodiment.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the schematic diagram of this location structure in embodiment.
In figure: 1, line slide rail; 2, fork truck; 3, roller; 4, platen; 5, drive source; 6, charging basket; 7, column; 8, cross bar; 9, gag lever post; 10, brake lever; 11, guide rod; 12, infrared laser; 13, target; 14, block rubber; 15, screw; 16, nut; 17, bar hole; 18, body; 19, holder; 20, groove; 21, stage clip; 22, rubber layer; 23, base.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Refer to Fig. 1 to Fig. 3 must know, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in Figure 1, Figure 2, Figure 3 shows, this charge mechanism comprises: line slide rail 1, fork truck 2, platen 4, brake lever 10, charging basket 6, gag lever post 9, bar hole 17, guide rod 11 and infrared laser 12.Line slide rail 1 has two and is all fixed on ground, and two line slide rails 1 are parallel to each other and all towards the fire door of vacuum heat treatment furnace; The lower rotation of fork truck 2 is provided with several rollers 3 be connected that rolls with line slide rail 1; Platen 4 is positioned at the top of fork truck 2, is provided with the drive source 5 that platen 4 can be driven to be elevated between platen 4 and fork truck 2; In the present embodiment, drive source 5 comprises a hydraulic jack, and the cylinder body of hydraulic jack is fixed on fork truck 2, and the piston rod end of described hydraulic jack is connected mutually with platen 4.As other scheme, drive source 5 comprises cylinder, and the cylinder body of cylinder is fixed on fork truck 2, and the end of the piston rod of cylinder is connected mutually with platen 4.
The upper end of brake lever 10 is articulated in the front end of platen 4, and lower end and the line slide rail 1 of brake lever 10 removably connect.In the present embodiment, the lower end of brake lever 10 is installed with a block rubber 14, block rubber 14 can be embedded in line slide rail 1 by elastic deformation and with this line slide rail 1 interference fit.As other scheme, the lower end of brake lever 10 is fixed with a clamp, and the upper surface of slide rail offers the opening be obliquely installed, and clamp can be connected in opening.
Charging basket 6 is positioned on the upper face of platen 4, and charging basket 6 comprises in netted base 23, base 23 is vertically fixed with four rhizospheres and becomes a rectangular column 7, be connected mutually between the upper end of two adjacent root posts 7 by a cross bar 8; Upper end and the cross bar 8 of gag lever post 9 are hinged, and the lower end of gag lever post 9 is detachably arranged on base 23.In the present embodiment, the lower end of gag lever post 9 offers screw, and the sidewall of base 23 offers through hole that can be coaxial with screw, can the screw of grafting one simultaneously 15 in through hole and screw.As other scheme, the lower end of gag lever post 9 is fixed with a grab, base 23 is provided with the buckle with the clamping of grab phase.
Bar hole 17 is opened on base 23 in the horizontal direction, and the length direction of bar hole 17 is vertical with the length direction antarafacial of line slide rail 1; Guide rod 11 passes bar hole 17 and is connected with platen 4, is provided with and can makes charging basket 6 location structure fixing and get loose relative to platen 4 between guide rod 11 with platen 4.In the present embodiment, described location structure comprises the blind hole be opened on described platen 4, internal thread is offered in described blind hole, the sidewall of described guide rod 11 offers the external screw thread matched with described internal thread, the top of described guide rod 11 is provided with limited block, and described guide rod 11 is through bar hole 17 and blind threaded connection.As other scheme, the nut 16 that described location structure comprises the through hole be opened on described platen 4, is opened in the external screw thread on described guide rod 11 sidewall and matches with described external screw thread, one end of described guide rod 11 is provided with limited block, and the other one end of described guide rod 11 is threaded with nut 16 after being each passed through the through hole on bar hole 17 and platen 4.
Infrared laser 12 has two and to be individually fixed in the both sides of platen 4 rear end corresponding with the both sides of charging basket 6, the fire door of vacuum heat treatment furnace is provided with two corresponding with two infrared lasers 12 respectively targets 13; When the ruddiness that two infrared lasers 12 are launched can irradiate respectively on target 13 corresponding thereto, charging basket 6 is in the position that can not collide with the part in vacuum heat treatment furnace; When the ruddiness that one of them is launched by charging basket 6 block can not be irradiated on target 13 time, then charging basket 6 is in the position that can collide with the part in vacuum heat treatment furnace.As preferably, infrared laser 12 comprises body 18 and holder 19, and body 18 can red-emitting and be fixed on the upper surface of holder 19; Platen 4 offers groove 20, holder 19 can be embedded in groove 20, is provided with a stage clip 21 between the bottom land of holder 19 and groove 20; The side of holder 19 be provided with can with the rubber layer 22 of the sidewall interference fit of groove 20.
Operation principle of the present utility model is as follows: because this apparatus design has brake lever, work as when filling with substance, the lower end of brake lever can be made to be connected with slide rail, from platen can be made relative with slide rail fixing, also fork truck can not be made to move even if when filling with substance strikes platen because of carelessness, ensure the accuracy that workpiece is put; Because the charging basket of this device is designed with gag lever post, when smallclothes workpiece in-built toward charging basket, the lower end of gag lever post can be pulled down from base, hand can stretch in charging basket and carry out blowing by charging person easily, and need not stand in charging basket, improves charging efficiency; Because this apparatus design has guide rod and location structure, when when filling with substance makes charging basket relative with platen fixing by location structure, also can not make charging basket that very large displacement occurs even if workpiece strikes charging basket, when avoiding charging, charging basket strikes graphite in stove or other part; Because this apparatus design has infrared laser and target, by seeing that can the ruddiness that red laser is launched shine on target, thus judge that charging basket noly can strike graphite in stove or other part when entering stove.In sum, this device can improve the powder feeding efficiency of vacuum heat treatment furnace effectively.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. the charge mechanism of a vacuum heat treatment furnace, it is characterized in that, described charge mechanism comprises: line slide rail (1), described line slide rail (1) has two and is all fixed on ground, and two line slide rails (1) are parallel to each other and all towards the fire door of described vacuum heat treatment furnace; Fork truck (2), the lower rotation of described fork truck (2) is provided with several rollers (3) be connected that rolls with described line slide rail (1); Platen (4), described platen (4) is positioned at the top of described fork truck (2), is provided with the drive source (5) that platen (4) can be driven to be elevated between described platen (4) and fork truck (2); Brake lever (10), the upper end of described brake lever (10) is articulated in the front end of described platen (4), and lower end and the described line slide rail (1) of described brake lever (10) removably connect; Charging basket (6), described charging basket (6) is positioned on the upper face of platen (4), described charging basket (6) comprises in netted base (23), described base (23) is vertically fixed with four rhizospheres and becomes a rectangular column (7), be connected mutually by a cross bar (8) between the upper end of adjacent two root posts (7); Gag lever post (9), upper end and the described cross bar (8) of described gag lever post (9) are hinged, and the lower end of described gag lever post (9) is detachably arranged on described base (23); Bar hole (17), described bar hole (17) is opened on described base (23) in the horizontal direction, and the length direction of described bar hole (17) is vertical with the length direction antarafacial of described line slide rail (1); Guide rod (11), described guide rod (11) is through described bar hole (17) and be connected with described platen (4), is provided with and can makes described charging basket (6) the fixing and location structure that get loose relative to platen (4) between described guide rod (11) with platen (4); Infrared laser (12), described infrared laser (12) has two and to be individually fixed in the both sides of described platen (4) rear end corresponding with the both sides of described charging basket (6), the fire door of described vacuum heat treatment furnace is provided with two corresponding with two described infrared lasers (12) respectively targets (13); When the ruddiness that two infrared lasers (12) are launched can irradiate respectively when target (13) is corresponding thereto upper, described charging basket (6) is in the position that can not collide with the part in vacuum heat treatment furnace; When the ruddiness that one of them is launched by charging basket (6) block can not be irradiated to target (13) upper time, then charging basket (6) is in the position that can collide with the part in vacuum heat treatment furnace.
2. the charge mechanism of vacuum heat treatment furnace according to claim 1, it is characterized in that, described drive source (5) comprises a hydraulic jack, the cylinder body of described hydraulic jack is fixed on described fork truck (2), and the piston rod end of described hydraulic jack is connected mutually with described platen (4).
3. the charge mechanism of vacuum heat treatment furnace according to claim 1, it is characterized in that, described drive source (5) comprises cylinder, and the cylinder body of described cylinder is fixed on described fork truck (2), and the piston rod end of described cylinder is connected mutually with described platen (4).
4. the charge mechanism of the vacuum heat treatment furnace according to claim 1 or 2 or 3, it is characterized in that, the lower end of brake lever (10) is installed with a block rubber (14), described block rubber (14) can be embedded in described line slide rail (1) by elastic deformation and with this line slide rail (1) interference fit.
5. the charge mechanism of the vacuum heat treatment furnace according to claim 1 or 2 or 3, it is characterized in that, the lower end of brake lever (10) is fixed with a clamp, and the upper surface of described slide rail offers the opening be obliquely installed, and described clamp can be connected in described opening.
6. the charge mechanism of the vacuum heat treatment furnace according to claim 1 or 2 or 3, is characterized in that, the lower end of described gag lever post (9) is fixed with a grab, described base (23) is provided with the buckle with the clamping of described grab phase.
7. the charge mechanism of the vacuum heat treatment furnace according to claim 1 or 2 or 3, it is characterized in that, the lower end of described gag lever post (9) offers screw, the sidewall of described base (23) offers through hole that can be coaxial with described screw, can grafting one screw simultaneously (15) in described through hole and screw.
8. the charge mechanism of the vacuum heat treatment furnace according to claim 1 or 2 or 3, it is characterized in that, described location structure comprises the blind hole be opened on described platen (4), internal thread is offered in described blind hole, the sidewall of described guide rod (11) offers the external screw thread matched with described internal thread, the top of described guide rod (11) is provided with limited block, and described guide rod (11) is through bar hole (17) and blind threaded connection.
9. the charge mechanism of the vacuum heat treatment furnace according to claim 1 or 2 or 3, it is characterized in that, the nut (16) that described location structure comprises the through hole be opened on described platen (4), is opened in the external screw thread on described guide rod (11) sidewall and matches with described external screw thread, one end of described guide rod (11) is provided with limited block, and the other one end of described guide rod (11) is threaded with nut (16) after being each passed through the through hole on bar hole (17) and platen (4).
10. the charge mechanism of the vacuum heat treatment furnace according to claim 1 or 2 or 3, it is characterized in that, described infrared laser (12) comprises body (18) and holder (19), and described body (18) can red-emitting and be fixed on the upper surface of described holder (19); Described platen (4) offers groove (20), described holder (19) can be embedded in described groove (20), is provided with a stage clip (21) between the bottom land of described holder (19) and groove (20); The side of described holder (19) be provided with can with the rubber layer (22) of the sidewall interference fit of described groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799347.2U CN204298430U (en) | 2014-12-16 | 2014-12-16 | A kind of charge mechanism of vacuum heat treatment furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799347.2U CN204298430U (en) | 2014-12-16 | 2014-12-16 | A kind of charge mechanism of vacuum heat treatment furnace |
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| Publication Number | Publication Date |
|---|---|
| CN204298430U true CN204298430U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420799347.2U Withdrawn - After Issue CN204298430U (en) | 2014-12-16 | 2014-12-16 | A kind of charge mechanism of vacuum heat treatment furnace |
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| CN (1) | CN204298430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451070A (en) * | 2014-12-16 | 2015-03-25 | 浙江海洋学院东海科学技术学院 | Charging mechanism for vacuum heat treatment furnace |
-
2014
- 2014-12-16 CN CN201420799347.2U patent/CN204298430U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451070A (en) * | 2014-12-16 | 2015-03-25 | 浙江海洋学院东海科学技术学院 | Charging mechanism for vacuum heat treatment furnace |
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