CN104345166A - Sample feeding device - Google Patents
Sample feeding device Download PDFInfo
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- CN104345166A CN104345166A CN201410606645.XA CN201410606645A CN104345166A CN 104345166 A CN104345166 A CN 104345166A CN 201410606645 A CN201410606645 A CN 201410606645A CN 104345166 A CN104345166 A CN 104345166A
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- ball screw
- combustion chamber
- sampling device
- screw nut
- bridge plate
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Abstract
The invention discloses a sample feeding device, which comprises a ball screw, a motor, a ball screw nut, a mandrel, a bridge plate, a damping assembly, an installing seat, an upper cover, a furnace core, a transmission mechanism and a baffle plate, wherein the ball screw is rotationally arranged on a machine core fixing plate, the motor drives the ball screw to rotate, the ball screw nut is matched with the ball screw, one end of the mandrel is connected with the machine core fixing plate, the axial line of the mandrel is parallel to the axial line of the ball screw, the bridge plate is glidingly arranged on the mandrel, the damping assembly is arranged between the bridge plate and the ball screw nut, the installing seat is fixedly arranged on the bridge plate, the upper cover is arranged at one side, far away from the bridge plate, of the installing seat, the furnace core is rotationally arranged at one side, far away from the bridge plate, of the upper cover, the transmission mechanism is arranged on the ball screw in a sleeving way, and is connected with the furnace core, the baffle plate is arranged at one end, far away from the motor, of the ball screw, and is used for blocking the transmission mechanism, and the transmission mechanism is positioned between the ball screw nut and the baffle plate. The sample feeding device provided by the invention has the advantages that the service life of the device is prolonged, the repair and maintenance cost is reduced, and the hearth sealing reliability is ensured.
Description
Technical field
The present invention relates to conveying equipment technical field, particularly a kind of sampling device.
Background technology
At present, in the grey melting tester on market, sample is installed on combustion chamber, and combustion chamber is installed on middle supporting plate, and middle supporting plate is undertaken affixed by feed screw nut and screw body.Driving screw mandrel to rotate the upper and lower motion of supporting plate in realization by being installed on to drive below screw mandrel and away from first motor of burner hearth, realizing loading and the sample presentation work of sample with this.
After sample delivers to the precalculated position of burner hearth by first motor, the rotary motion of sample in burner hearth is driven, so that video camera observes the test situation of sample by the fixed hole position of on burner hearth by being installed on below burner hearth and near the second motor of burner hearth.
But, due to needs installation two motors, its mechanism is limited, screw mandrel is driven to be arranged in the acentric position of supporting plate, make to form the arm of force between the center of gravity of pallet part and screw mandrel, and produce a gravitational torque thus, make the verticality between middle supporting plate and screw mandrel, through having greatly changed later after a while, make middle supporting plate and screw mandrel no longer vertical.When such meeting directly causes combustion chamber to be rotated in burner hearth, because the gap between combustion chamber and burner hearth is very little, there is ' sweeping wall ' phenomenon between combustion chamber and burner hearth, affect device serviceable life; Further, need installation two motors to drive lifting and the rotation of sample respectively, make sampling device complex structure and be not easy to dismounting, maintenance and maintenance cost higher.In addition, due to middle supporting plate after loading because the reason of mechanism's bias causes unbalance stress everywhere, be easy to cause sealing property herein to lose efficacy.
Therefore, how to improve device serviceable life, reduce maintenance and maintenance cost, improving burner hearth sealing reliability, is the art personnel problem demanding prompt solutions.
Summary of the invention
In view of this, the invention provides a kind of sampling device, to improve device serviceable life, reduce maintenance and maintenance cost, improve burner hearth sealing reliability.
For achieving the above object, the invention provides following technical scheme:
A kind of sampling device, comprising:
Ball screw, described ball screw rotates and is arranged on movement fixed head;
Drive the motor that described ball screw rotates;
The ball screw nut matched with described ball screw;
The axle that one end is connected with described movement fixed head, the axis of described axle and the axis being parallel of described ball screw;
Slide the bridge plate be arranged in described axle, is provided with damper assembly between described bridge plate and described ball screw nut;
Be fixedly installed on the mount pad on described bridge plate;
Be arranged at the upper cover of described mount pad away from the side of described bridge plate;
Rotate and be arranged at the combustion chamber of described upper cover away from the side of described bridge plate;
Be sheathed on the gear train on described ball screw, described gear train is connected with described combustion chamber;
Be arranged at described ball screw one end away from described motor, for stopping the baffle plate of described gear train, described gear train is between described ball screw nut and described baffle plate.
Preferably, in above-mentioned sampling device, also comprising the flue sealing socket of the burner hearth bottom for being arranged on grey melting testing tool, it having the through hole passed for described combustion chamber;
Described axle is fixedly connected with described flue sealing socket away from one end of described movement fixed head.
Preferably, in above-mentioned sampling device, described upper cover is provided with the first O-ring seal towards the one side of described flue sealing socket.
Preferably, in above-mentioned sampling device, the inside of described mount pad has the internal tooth be axially evenly arranged along it;
Described gear train has the gear teeth be meshed with described internal tooth.
Preferably, in above-mentioned sampling device, also comprise combustion chamber holder, described combustion chamber is fixed on described combustion chamber holder;
Described gear train comprises planet carrier, planetary gear and centre wheel;
The side of described planet carrier is connected with described combustion chamber holder; Described planetary gear is arranged at the opposite side of described planet carrier and the planetary gear matched with the internal tooth of described mount pad;
Described centre wheel engages with described planetary gear, and described centre wheel to be sheathed on described ball screw and affixed with described ball screw nut, and between described baffle plate and described ball screw nut.
Preferably, in above-mentioned sampling device, between described combustion chamber holder and described upper cover, be provided with the second O-ring seal.
Preferably, in above-mentioned sampling device, between described combustion chamber holder and described combustion chamber, be provided with the 3rd O-ring seal.
Preferably, in above-mentioned sampling device, described bridge plate has the nut through hole be sheathed on outside described ball screw nut, is provided with clutch shaft bearing between described ball screw nut and described nut through hole.
Preferably, in above-mentioned sampling device, described ball screw passes described movement fixed head away from one end of described combustion chamber and is provided with follower gear;
Described motor to be arranged on described movement fixed head and its output terminal through described movement fixed head; The output terminal of described motor is provided with the driving gear engaged with described follower gear.
Preferably, in above-mentioned sampling device, also comprise and be arranged on described movement fixed head, for controlling the microswitch of the power-off of described motor;
The button of described microswitch to press direction consistent with described ball screw nut direction of motion.
As can be seen from above-mentioned technical scheme, sampling device provided by the invention, completes lifting and the rotation of combustion chamber by a motor, be convenient to ball screw, combustion chamber and burner hearth central shaft to align, avoid ' sweeping wall ' phenomenon occurred between combustion chamber and burner hearth, improve device serviceable life; Simplify the structure of sampling device and be convenient to dismounting, reducing maintenance and maintenance cost; Arranged by above-mentioned screw rod transmission, make combustion chamber 3 to produce eccentric moment, make combustion chamber and the parts that are mated be in optimum duty, ensure that the sealing property bottom combustion chamber, and then ensure that the reliability that burner hearth seals.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The cross-sectional schematic of the sampling device that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the partial enlarged drawing of part A in Fig. 1;
Fig. 3 is the partial enlarged drawing of part B in Fig. 1;
Fig. 4 is for looking schematic diagram in a left side for the sampling device that the embodiment of the present invention provides;
Fig. 5 is the cut-away illustration along C-C face in Fig. 1;
The schematic front view of the planet carrier that Fig. 6 provides for the embodiment of the present invention;
The elevational schematic view of the planet carrier that Fig. 7 provides for the embodiment of the present invention;
The schematic front view of the combustion chamber holder that Fig. 8 provides for the embodiment of the present invention;
The cross-sectional schematic of the combustion chamber holder that Fig. 9 provides for the embodiment of the present invention;
The schematic front view of the bridge plate that Figure 10 provides for the embodiment of the present invention;
The cross-sectional schematic of the bridge plate that Figure 11 provides for the embodiment of the present invention;
The schematic front view of the movement fixed head that Figure 12 provides for the embodiment of the present invention;
The schematic front view of the flue sealing socket that Figure 13 provides for the embodiment of the present invention;
The cross-sectional schematic of the flue sealing socket that Figure 14 provides for the embodiment of the present invention;
The schematic front view of the centre wheel that Figure 15 provides for the embodiment of the present invention;
The cross-sectional schematic of the centre wheel that Figure 16 provides for the embodiment of the present invention.
Wherein,
Ash cone supporting plate-1, hypanthium-2, combustion chamber-3, without oily lining-4, first nut-5, first O-ring seal-6, flue sealing socket-7, through hole-71, second axle fixed orifice-72, first screw-8, second O-ring seal-9, upper cover-10, planet carrier-11, planet carrier coupling shaft-111, planetary gear rotating shaft-112, mount pad-12, second screw-13, catch-14, friction disc-15, bearing end cover-16, clutch shaft bearing-17, axle sleeve-18, keep cover plate-19, motor-20, determine journey block-21, driving gear-22, shaft block ring-23, second nut-24, screw mandrel mount pad-25, planetary gear-26, second bearing-27, flat key-28, centre wheel-29, the gear teeth-291, center, centre wheel web joint-292, 3rd screw-30, follower gear-31, movement fixed head-32, second center pit-321, first axle fixed orifice-322, motor through hole-323, 4th screw-33, 5th screw-34, switch bracket-35, axle-36, microswitch-37, 6th screw-38, ball screw-39, 7th screw-40, 8th screw-41, damper assembly-42, 9th screw-43, bridge plate-44, first center pit-441, linear bearing mounting hole-442, linear bearing-45, ball screw nut-46, tenth screw-47, cushion cover-48, 3rd bearing-49, hole back-up ring-50, combustion chamber holder-51, inner position protruding-511, outside fix latch-512, 3rd O-ring seal-52, 3rd nut-53.
Embodiment
The invention discloses a kind of sampling device, to improve device serviceable life; Reduce maintenance and maintenance cost.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1-Fig. 3, the structural representation of the sampling device that Fig. 1 provides for the embodiment of the present invention.
Embodiments provide a kind of sampling device, comprising: ball screw 39, ball screw 39 rotates and is arranged on movement fixed head 32; Drive the motor 20 that ball screw 39 rotates; The ball screw nut 46 matched with ball screw 39; The axle 36 that one end is connected with movement fixed head 32, the axis of axle 36 and the axis being parallel of ball screw 39; Slide the bridge plate 44 be arranged in axle 36, is provided with damper assembly 42 between bridge plate 44 and ball screw nut 46; Be fixedly installed on the mount pad 12 on bridge plate 44; Be arranged at the upper cover 10 of mount pad 12 away from the side of bridge plate 44; Rotate and be arranged at the combustion chamber 3 of upper cover 10 away from the side of bridge plate 44; Be sheathed on the gear train on ball screw 39, gear train matches with mount pad 12, and gear train is connected with combustion chamber 3; Be arranged at ball screw 39 one end away from motor 20, for stopping the baffle plate 14 of gear train, gear train is between ball screw nut 46 and baffle plate 14.
The sampling device that the embodiment of the present invention provides, in loading process, motor 20 rotates forward, ball screw 39 is driven to rotate, owing to being provided with damper assembly 42 between bridge plate 44 and ball screw nut 46, avoid ball screw nut 46 to rotate with ball screw 39, only axially move along ball screw 39, now bridge plate 44 is along axle 36 upward sliding; In the process that combustion chamber 3 moves upward, ball screw nut 46 drives bridge plate 44 to move upward, and then drives mount pad 12 and upper cover 10 to move upward, until ball screw nut 46 contacts with baffle plate 14; Because ball screw 39 is provided with baffle plate 14 away from one end of motor 20, stop that gear train rises, namely, ball screw nut 46 compresses with gear train under the stop of baffle plate 14, make ball screw nut 46 cannot along the axially-movable of ball screw 39, until ball screw nut 46 overcomes the damping action of damper assembly 42, rotate with ball screw 39; Ball screw nut 46 and gear train compress, and under the effect of friction force, ball screw nut 46 drives gear train to rotate, and then combustion chamber 3 is rotated.The sampling device that the embodiment of the present invention provides, completes lifting and the rotation of combustion chamber 3 by a motor, be convenient to ball screw 39, combustion chamber 3 and burner hearth central shaft to align, and avoids ' sweeping wall ' phenomenon occurred between combustion chamber 3 and burner hearth, improves device serviceable life; Simplify the structure of sampling device and be convenient to dismounting, reducing maintenance and maintenance cost; Arranged by above-mentioned screw rod transmission, make combustion chamber 3 to produce eccentric moment, make combustion chamber and the parts that are mated be in optimum duty, ensure that the sealing property bottom combustion chamber, and then ensure that the reliability that burner hearth seals.
Wherein, the sampling device that the embodiment of the present invention provides is applied to the loading operation of grey melting testing tool.
As shown in FIG. 13 and 14, in the sampling device that the embodiment of the present invention provides, also comprise the flue sealing socket 7 of the bottom being arranged on burner hearth assembly, flue sealing socket 7 has the through hole 71 passed for combustion chamber 3; Axle 36 is fixedly connected with flue sealing socket 7 away from one end of movement fixed head 32.That is, one end of axle 36 is fixedly connected with movement fixed head 32, and the other end of axle 36 is connected with flue sealing socket 7, forms rigid frame.Movement fixed head 32 is provided with the second center pit 321 be sheathed on outside ball screw 39, also comprises the first axle fixed orifice 322 of the one end for stationary spindle 36.Flue sealing socket 7 is provided with the second axle fixed orifice 72 of stationary spindle 36, axle 36 is fixed on flue sealing socket 7 by the 3rd nut 53.
Further, upper cover 10 is provided with the first O-ring seal 6 towards the one side of flue sealing socket 7.To guarantee the sealing between upper cover 10 and flue sealing socket 7.
Preferably, motor 20 is reversible electric machine, so that realize the rise and fall of combustion chamber 3 by the forward and reverse controlling motor 20.Also can use single direction rotatable motor, rotating forward and the reversion of ball screw 39 can be realized by arranging the changed course drive disk assembly transmission direction changed between motor 20 and ball screw 39, introducing no longer in detail at this.
Wherein, linear bearing 45 is provided with between bridge plate 44 and axle 36.As shown in Figure 10 and Figure 11, bridge plate 44 have sheathed ball screw nut 46 the first center pit 441 and along the uniform linear bearing mounting hole 442 of the circumference of the first center pit 441.In the present embodiment, the quantity of axle 36 is three, and therefore, the quantity of linear bearing mounting hole 442 is also three.Also can be set to other quantity, introduce no longer in detail and all within protection domain at this.
Preferably, damper assembly 42 is fixed on bridge plate 44 by the 9th screw 43.Also damper assembly 42 can be arranged at other positions, introduce no longer in detail and all within the protection domain of the embodiment of the present invention at this.
Bridge plate 44 is fixed by the 8th screw 41 with mount pad 12.
Combustion chamber 3 is provided with successively hypanthium 2 and ash cone supporting plate 1, so that sample is placed.
As shown in Figure 2, baffle plate 14 is fixedly installed on ball screw 39 by the second screw 13.
As shown in Figure 5, gear train comprises the inside that is arranged at mount pad 12 and along its internal tooth be axially evenly arranged and the gear teeth be meshed with internal tooth, the gear teeth are connected with combustion chamber 3.When combustion chamber 3 rotates, the gear teeth coordinate with the internal tooth of mount pad 12, improve the rotational stability of gear train, and then make combustion chamber 3 stable rotation.
As shown in Figure 1 and Figure 5, the sampling device that the embodiment of the present invention provides also comprises combustion chamber holder 51, and combustion chamber 3 is fixed on combustion chamber holder 51.Gear train comprises: planet carrier 11, and side and the combustion chamber of planet carrier 11 are fixed panel seat 51 and be fixedly connected with; The opposite side being arranged at planet carrier 11 is provided with the planetary gear 26 matched with the internal tooth of mount pad 12; Be sheathed on the centre wheel 29 on ball screw 39, centre wheel 29 is between baffle plate 14 and ball screw nut 46 and be fixed on ball screw nut 46.The gear teeth comprise the planetary gear 26 be meshed with the internal tooth of mount pad 12 and the centre wheel 29 engaged with planetary gear 26; Centre wheel 29 is fixed on ball screw nut 46.When ball screw 39 rotates, until after ball screw nut 46 and baffle plate 14 rigid contact, now centre wheel 29 engages with planetary gear 26, planetary gear 26 engages with the internal tooth of mount pad 12, make planet carrier 11 pairs of combustion chamber holders 51 export the motion of required reduction gear ratio, thus obtain the motion needed for combustion chamber 3.
Also gear train can be set to cycloidal-pin wheel, its outer gear be engaged with the internal tooth of mount pad 12, above-mentioned effect can be reached equally.No longer specifically to describe and all within protection domain at this.
In order to consider processing technology, can by adopt after the center gear teeth 291 and centre wheel web joint 292 parts processing the modes such as screw thread affixed, also centre wheel 29 directly can be processed in aggregates, then to be fixed on ball screw nut 46.
As shown in Figure 15 and Figure 16, centre wheel 29 comprises the center gear teeth 291 that engage with planetary gear 26 and is positioned at centered by its side away from combustion chamber 3 takes turns web joint 292, and ball screw nut 46 is connected by bolt or screw with centre wheel web joint 292.
Due to the existence of damping mechanism, guarantee that ball screw nut 46 can not produce axial rotation motion in lifting process, now, gear train is followed bridge plate 44 and is carried out upper and lower elevating movement; When centre wheel 29 along with ball screw nut 46 rises to ball screw 39 top, centre wheel 29 engages with planetary gear 26; Until with baffle plate 14 rigid contact after, due to the barrier effect of baffle plate 14, centre wheel 29 and ball screw nut 46 cannot continue vertical motion, then overcome the damping force that damping mechanism produces, carry out the rotary motion of horizontal direction, centre wheel 29 rotates and drives planetary gear 26 to rotate.
As shown in Figure 2, further, be provided with between the rotation axis of planetary gear 26 and planet carrier 11 the 3rd bearing the 49, three bearing 49 away from the side of planet carrier 11 arrange porose with back-up ring 50, be arranged at the cushion cover 48 in hole back-up ring 50 and be sheathed in cushion cover 48 and the tenth screw 47 be connected with the rotation axis of planet carrier 11.
The quantity of above-mentioned planetary gear 26 is three and circumference (i.e. the circumference of centre wheel 29) along planet carrier 11 is evenly arranged.Also the quantity of planetary gear 26 can be set to other quantity, as one, more than two or four, to introduce no longer in detail and all within protection domain at this.
As shown in Figure 2, the second O-ring seal 9 is provided with between combustion chamber holder 51 and upper cover 10.By arranging the second O-ring seal 9, guarantee the sealing between combustion chamber holder 51 and upper cover 10.
Gear train has the planet carrier coupling shaft 111 through upper cover 10, and planet carrier coupling shaft 111 is fixedly installed combustion chamber holder 51 near one end of combustion chamber 3, and combustion chamber 3 is fixedly installed on combustion chamber holder 51.By arranging combustion chamber holder 51, ensure that the stability of strutting system of gear train to combustion chamber 3.Wherein, be understandable that, planet carrier coupling shaft 111 and ball screw 39 are coaxially arranged, and planet carrier coupling shaft 111 is connected with the center of combustion chamber holder 51, and combustion chamber holder 51 and combustion chamber 3 are coaxially arranged.
Wherein, utilize the 3rd O-ring seal 52 be arranged on combustion chamber holder 51, realize the sealing at this place.
As shown in Fig. 2, Fig. 6 and Fig. 7, in the present embodiment, because gear train is planetary wheeling mechanism, planet carrier 11 has planet carrier body, the planetary gear rotating shaft 112 that is rotationally connected with planetary gear 26 and the planet carrier coupling shaft 111 be connected with combustion chamber 3.The planetary gear rotating shaft 112 be rotationally connected with planetary gear 26 is arranged at the side of planet carrier body, and planet carrier coupling shaft 111 is arranged at the opposite side of planet carrier body.Planet carrier coupling shaft 111 is provided with the shaft shoulder for locating combustion chamber holder 51, the one side of combustion chamber holder 51 contacts with the shaft shoulder, and the other end contacts with the first nut 5 be sheathed on planet carrier coupling shaft 111.Be provided with between planet carrier coupling shaft 111 and upper cover 10 without oily lining 4, can axial rotation motion be realized.
In order to ensure the sealing effectiveness between the outer wall of combustion chamber 3 and combustion chamber holder 51, between combustion chamber holder 51 and combustion chamber 3, be provided with the 3rd O-ring seal 52.
As can be seen from figures 8 and 9, combustion chamber holder 51 is sheathed on planet carrier coupling shaft 111, its inwall has the inner position projection 511 of locating with planet carrier coupling shaft 111, and the end face of combustion chamber holder 51 (face contacted with combustion chamber 3) is provided with outside fix latch 512.
The damping force of damper assembly 42 is overcome and the rotary motion produced relative to bridge plate 44 when being raised to top to make ball screw nut 46, bridge plate 44 has the nut through hole be sheathed on outside ball screw nut 46, is provided with clutch shaft bearing 17 between ball screw nut 46 and nut through hole.
Further, the outside of ball screw nut 46 is arranged with and keeps axle sleeve 18, between the outer wall that clutch shaft bearing 17 is sheathed on maintenance axle sleeve 18 and the inwall of nut through hole.
The bottom surface of bridge plate 44 is provided with the bearing end cover 16 of the outer ring for locating clutch shaft bearing 17 and the maintenance cover plate 19 for the inner ring of locating clutch shaft bearing 17.
Wherein, damper assembly 44 can offset with maintenance cover plate 19, and by guaranteeing the damping action to ball screw nut 46 to ball screw nut 46 extruding maintenance cover plate 19.
Also can make damper assembly 44 directly and ball screw nut 46 offset.
Bearing end cover 16 is fixed on bridge plate 44 by the 7th screw 40.
As shown in Fig. 1, Fig. 3 and Figure 12, ball screw 39 passes movement fixed head 32 away from one end of combustion chamber 3 and is provided with follower gear 31; Motor 20 to be arranged on movement fixed head 32 and its output terminal through movement fixed head 32; The output terminal of motor 20 is provided with the driving gear 22 engaged with follower gear 31.
The motor through hole 323 that the output terminal that movement fixed head 32 is also provided with power supply machine 20 passes.By arranging motor through hole 323, the output terminal of motor 20 and ball screw 39 is made to be positioned at the same side of movement fixed head 32 away from one end of combustion chamber 3, so that follower gear 31 driving gear 22 is placed in the side of movement fixed head 32 away from bridge plate 44, facilitate the installation of motor 20.
Wherein, ball screw 39 is rotated by the second bearing 27 and is arranged in screw mandrel mount pad 25.Screw mandrel mount pad 25 is fixedly connected with by the 3rd screw 30 with movement fixed head 32.The top of screw mandrel mount pad 25 is provided with determines journey block 21, determines journey block 21 and is fixedly installed on screw mandrel mount pad 25 by the 6th screw 38.The end of axle 36 is fixed on movement fixed head 32 and flue sealing socket 7 by the second nut 24.
Shaft block ring 23 is provided with between the output terminal of motor 20 and driving gear 22.Flat key 28 is provided with between ball screw 39 and follower gear 31.Motor 20 is fixed on movement fixed head 32 by the 4th screw 33.
As shown in Figure 4, the sampling device that the embodiment of the present invention provides also comprises and is arranged on movement fixed head 32, for controlling the microswitch 37 of the power-off of motor 20; The button of microswitch 37 to press direction consistent with ball screw nut 46 direction of motion.When ball screw nut 46 declines along ball screw 39, after ball screw nut 46 or bridge plate 44 contact with microswitch 37, control motor 20 power-off, avoid ball screw nut 46 or bridge plate 44 to contact rear motor 20 with movement fixed head 32 and continue to rotate and cause parts to damage.Preferably, the button of microswitch 37 aligns with ball screw nut 46, so that ball screw nut 46 directly presses the button of microswitch 37.Also can be arranged on drive disk assembly between button and ball screw nut 46, press drive disk assembly by ball screw nut 46, then make drive disk assembly button press.
Wherein, movement fixed head 32 is provided with switch bracket 35, microswitch 37 is fixedly installed on switch bracket 35 by the 5th screw 34.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a sampling device, is characterized in that, comprising:
Ball screw, described ball screw rotates and is arranged on movement fixed head;
Drive the motor that described ball screw rotates;
The ball screw nut matched with described ball screw;
The axle that one end is connected with described movement fixed head, the axis of described axle and the axis being parallel of described ball screw;
Slide the bridge plate be arranged in described axle, is provided with damper assembly between described bridge plate and described ball screw nut;
Be fixedly installed on the mount pad on described bridge plate;
Be arranged at the upper cover of described mount pad away from the side of described bridge plate;
Rotate and be arranged at the combustion chamber of described upper cover away from the side of described bridge plate;
Be sheathed on the gear train on described ball screw, described gear train is connected with described combustion chamber;
Be arranged at described ball screw one end away from described motor, for stopping the baffle plate of described gear train, described gear train is between described ball screw nut and described baffle plate.
2. sampling device as claimed in claim 1, is characterized in that, also comprising the flue sealing socket of the burner hearth bottom for being arranged on grey melting testing tool, it has the through hole passed for described combustion chamber;
Described axle is fixedly connected with described flue sealing socket away from one end of described movement fixed head.
3. sampling device as claimed in claim 2, it is characterized in that, described upper cover is provided with the first O-ring seal towards the one side of described flue sealing socket.
4. sampling device as claimed in claim 1, is characterized in that, the inside of described mount pad has the internal tooth be axially evenly arranged along it;
Described gear train has the gear teeth be meshed with described internal tooth.
5. sampling device as claimed in claim 4, is characterized in that,
Also comprise combustion chamber holder, described combustion chamber is fixed on described combustion chamber holder;
Described gear train comprises planet carrier, planetary gear and centre wheel;
The side of described planet carrier is connected with described combustion chamber holder; Described planetary gear is arranged at the opposite side of described planet carrier and the planetary gear matched with the internal tooth of described mount pad;
Described centre wheel engages with described planetary gear, and described centre wheel to be sheathed on described ball screw and affixed with described ball screw nut, and between described baffle plate and described ball screw nut.
6. sampling device as claimed in claim 5, is characterized in that, be provided with the second O-ring seal between described combustion chamber holder and described upper cover.
7. sampling device as claimed in claim 5, is characterized in that, be provided with the 3rd O-ring seal between described combustion chamber holder and described combustion chamber.
8. sampling device as claimed in claim 1, it is characterized in that, described bridge plate has the nut through hole be sheathed on outside described ball screw nut, is provided with clutch shaft bearing between described ball screw nut and described nut through hole.
9. sampling device as claimed in claim 1, is characterized in that, described ball screw passes described movement fixed head away from one end of described combustion chamber and is provided with follower gear;
Described motor to be arranged on described movement fixed head and its output terminal through described movement fixed head; The output terminal of described motor is provided with the driving gear engaged with described follower gear.
10. sampling device as claimed in claim 1, is characterized in that, also comprise and be arranged on described movement fixed head, for controlling the microswitch of the power-off of described motor;
The button of described microswitch to press direction consistent with described ball screw nut direction of motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410606645.XA CN104345166B (en) | 2014-10-31 | 2014-10-31 | Sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410606645.XA CN104345166B (en) | 2014-10-31 | 2014-10-31 | Sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN104345166A true CN104345166A (en) | 2015-02-11 |
| CN104345166B CN104345166B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410606645.XA Active CN104345166B (en) | 2014-10-31 | 2014-10-31 | Sampling device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08225290A (en) * | 1995-02-22 | 1996-09-03 | Kokusai Electric Co Ltd | Suspending device |
| CN201355349Y (en) * | 2009-01-08 | 2009-12-02 | 长沙开元仪器有限公司 | Ash fusibility tester with rotary type image collecting device |
| CN101832958A (en) * | 2009-12-25 | 2010-09-15 | 湖南三德科技发展有限公司 | Ash fusibility testing instrument capable of automatically conveying and taking samples |
| CN204203254U (en) * | 2014-10-31 | 2015-03-11 | 长沙开元仪器股份有限公司 | Sampling device |
-
2014
- 2014-10-31 CN CN201410606645.XA patent/CN104345166B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08225290A (en) * | 1995-02-22 | 1996-09-03 | Kokusai Electric Co Ltd | Suspending device |
| CN201355349Y (en) * | 2009-01-08 | 2009-12-02 | 长沙开元仪器有限公司 | Ash fusibility tester with rotary type image collecting device |
| CN101832958A (en) * | 2009-12-25 | 2010-09-15 | 湖南三德科技发展有限公司 | Ash fusibility testing instrument capable of automatically conveying and taking samples |
| CN204203254U (en) * | 2014-10-31 | 2015-03-11 | 长沙开元仪器股份有限公司 | Sampling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104345166B (en) | 2016-07-06 |
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Denomination of invention: Sample loading device for column chromatography Effective date of registration: 20200615 Granted publication date: 20160706 Pledgee: Changsha Bank city branch of Limited by Share Ltd. Pledgor: CHANGSHA KAIYUAN INSTRUMENTS Co.,Ltd. Registration number: Y2020980003086 |
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