CN210916348U - Crystal growth lifting device - Google Patents
Crystal growth lifting device Download PDFInfo
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- CN210916348U CN210916348U CN201921759962.XU CN201921759962U CN210916348U CN 210916348 U CN210916348 U CN 210916348U CN 201921759962 U CN201921759962 U CN 201921759962U CN 210916348 U CN210916348 U CN 210916348U
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- 239000013078 crystal Substances 0.000 title claims abstract description 85
- 230000000670 limiting effect Effects 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 230000008569 process Effects 0.000 description 7
- 230000033228 biological regulation Effects 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000007716 flux method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model relates to a crystal growth lifting device, belonging to the field of crystal growth equipment, comprising a horizontal adjusting device, a vertical adjusting device, a radial rotating device and a micro-lifting device; the horizontal adjusting device comprises a fixing plate and a horizontal sliding shaft, the vertical adjusting device comprises a lifting box body which is fixedly connected with a radial rotating device, the radial rotating device is fixedly connected with a horizontal connecting plate, the horizontal connecting plate is provided with a micro lifting device, the micro lifting device is fixedly connected with a horizontal supporting plate, the horizontal supporting plate is provided with a crystal conversion motor, an output shaft of the crystal conversion motor is connected with a seed rod through a bearing, and the seed rod is put into high-temperature melt of a crucible in the furnace body. The utility model discloses can freely adjust lift draw gear's position in a flexible way according to the condition at the crystal growth in-process, guarantee the stability of device again simultaneously, can adjust the position at any time at the crystal growth in-process, can be smoothly with crystal position adjustment and proposition after the growth is accomplished.
Description
Technical Field
The utility model relates to a crystal growth lifting device, belonging to the technical field of crystal growth equipment.
Background
The method for growing crystal by flux method is one of the crystal growing methods in high temperature melt, and is one of the most successful crystal growing methods at present. The eutectic point of the high-temperature melt is reduced through the introduction of the fluxing agent, and the compound crystal with non-uniform melting can grow. In the last 30 years, novel crystal structure components are prepared by exploring a novel crystal of a multi-element combination with more than four elements, and the potential of the inherent characteristics of the compound is revealed by utilizing a single crystal characterization technology, so that a wide research field can be created. However, the difficulty of the new crystal exploration is the acquisition of large-size crystals, and the acquisition of centimeter-sized single crystals is very difficult. The flux method can obtain large-size high-quality single crystals at relatively low temperature in an open system. Therefore, the stable growth of the crystal and the obtainment of large-size crystals can be ensured for the adjustment of the growth equipment in the crystal growth process. Therefore, the crystal growth equipment is optimized, the degree of freedom of the lifting device is improved, and the crystal growth device has important significance for large-size crystal growth.
The lifting device in the market at present can not meet the free adjustment of two-dimensional dimensions in the horizontal direction on the premise of ensuring stability, and can only realize the left-right direction adjustment of the lifting device and can not be adjusted forwards and backwards. And the height of the existing lifting device is adjusted by a gear, the precision control difficulty is high, the crystal growing in the process of freely sliding down when insufficient locking is easily generated, so that the crystal falls off, the success before the experiment is abandoned, the materials of the existing device are mainly iron plates, screws and the like, and the sensitivity is reduced and the iron rust phenomenon is caused after the existing device is used for a long time.
Disclosure of Invention
The utility model provides a crystal growth draws lifting device, can realize about, around, the free regulation of upper and lower direction to effectively improved the regulation precision, can freely adjust lifting device's position in a flexible way according to the condition at the crystal growth in-process, guarantee the stability of device again simultaneously, can adjust the position at any time at the crystal growth in-process, can be smoothly after the growth is accomplished crystal position adjustment and propose.
The utility model adopts the following technical scheme:
on one hand, the utility model provides a crystal growth lifting device, which comprises a horizontal adjusting device, a vertical adjusting device, a radial rotating device and a micro-lifting device;
the horizontal adjusting device comprises a fixed plate and a horizontal sliding shaft capable of moving left and right relative to the fixed plate, the bottom of the vertical adjusting device is fixed on the horizontal sliding shaft, the vertical adjusting device comprises a lifting box body capable of moving up and down along a supporting rod in the vertical direction, the lifting box body is fixedly connected with a radial rotating device, the radial rotating device is fixedly connected with a horizontal connecting plate, a micro lifting device is arranged on the horizontal connecting plate, a horizontal supporting plate is fixedly connected onto the micro lifting device, the horizontal supporting plate can move up and down slightly along with the micro lifting device, a crystal rotating motor is arranged on the horizontal supporting plate, an output shaft of the crystal rotating motor is connected with a seed rod through a bearing, the seed rod enters a high-temperature melt of a crucible in the furnace body, the crystal rotating motor is a rotating motor, and the output shaft drives the seed rod to rotate.
The horizontal adjusting device is used for adjusting the whole device to move left and right, the vertical adjusting device and the micro-lifting device are used for adjusting the seed rod to move up and down, and the radial rotating device is used for adjusting the seed rod to move back and forth.
Preferably, be fixed with a fixed axle on the fixed plate, the fixed axle sets up for left right direction, and on its both ends were fixed in the fixed plate, fixed plate one end (preferably left end) vertically is fixed with the screw rod support, horizontal sliding shaft below is fixed be provided with fixed axle matched with slider, and the slider cover is established on the fixed axle and can be on the fixed axle horizontal slip, and the fixed axle is being equivalent to a guide bar, and slider and horizontal sliding shaft can be followed the fixed axle and moved about, horizontal adjusting device still includes first screw rod and nut, first screw rod is fixed in on the screw rod support, the nut is fixed in on the horizontal sliding shaft, through the precession the precession of first screw rod and screw out the position about adjusting whole device.
Preferably, a hand wheel is further arranged on the screw rod support and connected with the first screw rod, and the hand wheel is used for adjusting the distance between the first screw rod and the nut.
Preferably, a plurality of rows of fixed shafts are arranged on the fixed plate, correspondingly, a plurality of horizontal sliding shafts and a plurality of sliding blocks can be arranged, the plurality of horizontal sliding shafts bear all elements of the vertical adjusting device together, the hand wheel and the first screw rod can be arranged on the middle row of fixed shafts, horizontal displacement can be better adjusted by the rows of fixed shafts, and the precision is higher.
Preferably, the vertical adjusting device further comprises a first support rod and a second support rod which are vertically arranged, the number of the first support rod and the number of the second support rod are 2, top plates are arranged at the tops of the 2 first support rods and the 2 second support rods, the lifting box body is sleeved on the 2 second support rods, balancing weights are sleeved on the 2 first support rods, fixed pulleys are arranged on the top plates, the lifting box body and the balancing weights are connected through the fixed pulleys by adopting steel wire ropes, and locking screws are arranged on the lifting box body;
preferably, the balancing weight and the lifting box body are respectively arranged on the first supporting rod and the second supporting rod in a penetrating mode, rolling steel balls are arranged at the contact position of the middle of the balancing weight and the first supporting rod and at the contact position of the middle of the lifting box body and the second supporting rod, sliding friction is changed into rolling friction, and friction force is reduced.
Preferably, a handle is arranged on one side of the lifting box body, and the handle can be manually pulled to adjust the vertical height of the lifting box body during adjustment so as to drive the radial rotating device and the micro lifting device to move up and down; the balancing weight is a balancing iron block, and the steel wire rope is a stainless steel rope.
The utility model discloses in, the weight of balancing weight is preferred and to carry the weight sum of drawing box, radial rotary device, carrying a device and seed rod a little and match, and the stability of device when guaranteeing vertical regulation is compared with traditional gear adjusting mode, the utility model discloses an introduction of balancing weight has improved the stability of adjusting greatly.
Preferably, the radial rotating device comprises a fixed block and a U-shaped rotating block, the fixed block is fixedly connected with the lifting box body, the U-shaped rotating block comprises an upper connecting plate, a lower connecting plate and a vertical connecting plate positioned between the upper connecting plate and the lower connecting plate, pin holes are formed in the upper connecting plate and the lower connecting plate, the upper connecting plate, the fixed block and the lower connecting plate are connected through pin shafts, radial rotating fixing screws are arranged between the upper connecting plate and the fixed block, and when the seed crystal rod needs to be adjusted forwards and backwards, the U-shaped rotating block can rotate along the pin shafts to realize the adjustment of the front and back positions of the seed crystal rod and can be locked through the radial rotating fixing screws;
preferably, be provided with limit structure between fixed block and the rotatory piece of U type, limit structure can be for preventing 180 rotatory screws, perhaps sets up stopper etc. respectively in the biggest position department around rotatory, all can realize limit function, and here also can refer to prior art and design.
Preferably, the U-shaped rotating block is fixedly connected with the horizontal connecting plate, the horizontal connecting plate is provided with an internal thread, the horizontal supporting plate is provided with a second screw matched with the internal thread of the horizontal connecting plate, and fine adjustment in the vertical direction is realized by screwing the second screw.
Preferably, one end of the horizontal connecting plate is fixedly connected with a vertical guide rail, a vertical sliding plate is vertically and fixedly connected to the horizontal supporting rod, the sliding plate is matched with the guide rail and can move up and down relative to the guide rail, a limiting block is fixedly arranged on the sliding plate, and a limiting hole is formed in the middle of the limiting block;
the output shaft of the crystal rotating motor is connected with a connecting rod through a bearing, the connecting rod penetrates through a limiting hole to be connected with a buckle, and the buckle is connected with the connecting rod and the seed rod, so that the connecting rod and the seed rod rotate coaxially, the limiting hole is slightly larger than the outer diameter of the connecting rod, only a limiting effect is achieved, and the connecting rod cannot rotate along with the rotation of the connecting rod.
Further preferably, the first support rod and the second support rod are made of stainless steel or aluminum, so that the problem of sensitivity reduction caused by rust can be effectively avoided.
Preferably, the bottom of the fixing plate is provided with a support frame, the bottom of the support frame is provided with a damping base, and the support frame is made of a stainless steel support.
Further preferably, the horizontal adjusting distance of the horizontal adjusting device is 5-30cm, the adjusting distance of the vertical adjusting device is 0-80cm, and the adjusting distance of the micro-pulling device is 0-15 cm.
The utility model discloses a still be provided with the temperature field in the furnace body, heating device outside the temperature field is resistance heating device, also can be according to actual conditions replacement for induction heating mode. The rotating motor can extend into the crucible of the furnace chamber in a mode of aligning with the center of the furnace chamber.
On the other hand, the utility model also provides an above-mentioned crystal growth draws lift device's operating method, include:
when the seed rod works, the crystal rotating motor rotates to drive the connecting rod and the seed rod to coaxially rotate, so that the seed rod is rotated;
when the seed crystal rod needs to be adjusted left and right, the first screw rod is rotated to drive the nut and the horizontal sliding shaft to slide left and right, and meanwhile, the sliding block connected with the horizontal sliding shaft moves left and right along the fixed shaft to realize the left and right movement of the device;
when the seed crystal rod needs to be adjusted vertically to a large extent, firstly, the vertical adjusting device is adjusted, the lifting box body is pulled by the handle to slide vertically along the second supporting rod, meanwhile, the balancing weight also moves vertically along the first supporting rod through the steel wire rope, and when the seed crystal rod is close to a target position, the lifting box body is locked on the second supporting rod through the locking screw; then adjusting the micro-pulling device, twisting a second screw rod, wherein the horizontal connecting plate and the guide rail are relatively fixed, the second screw rod moves up and down together with the horizontal supporting plate, a sliding plate fixedly connected with the horizontal supporting rod moves up and down relative to the guide rail, and at the moment, a crystal rotating motor, a connecting rod and a seed crystal rod which are positioned on the horizontal supporting rod move up and down together to realize fine adjustment;
when the seed rod needs to be adjusted back and forth, the U-shaped rotating block can rotate along the pin shaft, and when the seed rod rotates to a proper position, the seed rod is fixed through the radial rotating fixing screw.
The position of the seed rod needs to be adjusted in the crystal growth process (such as furnace sealing, saturation point measuring, seed crystal inserting process and the like), and the specific time for adjusting can be carried out by referring to the existing crystal growth process, and the details are not repeated here.
The present invention, which is not exhaustive, can adopt the prior art.
The utility model has the advantages that:
1) not enough that removes about can not the level to traditional lifting device, the utility model discloses added horizontal adjusting device, combined radial rotary device's rotation effect around, can make comparatively accurate alignment in seed rod and growth furnace body center.
2) And a micro-pulling device is arranged at the top of the rotating device, so that the position of the seed rod can be adjusted in a small range in a state that the pulling box body is fixedly locked in the vertical direction.
3) The utility model discloses a vertical mode of regulation abandons traditional gear adjustment, optimizes for the balancing weight, carries the mode that draws box and fixed pulley to combine, has guaranteed the stability of crystal at position adjustment in-process whole equipment, guarantees the safety of crystal simultaneously.
To sum up, the utility model discloses can realize about, around, the freedom of upper and lower direction is adjusted to effectively having improved the regulation precision, can be according to the condition freely nimble position of adjusting lift draw gear in crystal growth process, guarantee the stability of device again simultaneously, can adjust the position at any time in the crystal growth process, can be smooth after the growth is accomplished with crystal position adjustment and proposition.
Drawings
FIG. 1 is a schematic structural view of a crystal growth lifting device according to the present invention;
FIG. 2 is a partial schematic view of a radial rotating apparatus;
wherein, 1-a fixed plate, 2-a horizontal sliding shaft, 3-a lifting box body, 4-a horizontal connecting plate, 5-a horizontal supporting plate, 6-a crystal rotating motor, 7-a bearing, 8-a seed crystal rod, 9-a crucible, 10-a fixed shaft, 11-a screw rod bracket, 12-a sliding block, 13-a first screw rod, 14-a nut, 15-a hand wheel, 16-a first supporting rod, 17-a second supporting rod, 18-a top plate, 19-a balancing weight, 20-a fixed pulley, 21-a steel wire rope, 22-a locking screw, 23-a fixed block, 24-a U-shaped rotating block, 25-a pin shaft, 26-a radial rotating fixed screw, 27-a second screw rod, 28-a guide rail, 29-a sliding plate, 30-a limiting block and 31-a connecting rod, 32-fastener, 33-support frame, 34-furnace body.
The specific implementation mode is as follows:
in order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be made with reference to the accompanying drawings and specific embodiments, but not limited thereto, and the present invention is not described in detail, and is in accordance with the conventional techniques in the art.
Example 1:
a crystal growth lifting device is shown in figures 1-2 and comprises a horizontal adjusting device, a vertical adjusting device, a radial rotating device and a micro-lifting device;
the horizontal adjusting device comprises a fixing plate 1 and a horizontal sliding shaft 2 capable of moving left and right relative to the fixing plate 1, the bottom of the vertical adjusting device is fixed on the horizontal sliding shaft 2, the vertical adjusting device comprises a lifting box body 3 which can move up and down along a supporting rod in the vertical direction, the lifting box body 3 is fixedly connected with a radial rotating device, the radial rotating device is fixedly connected with a horizontal connecting plate 4, a micro lifting device is arranged on the horizontal connecting plate 4, a horizontal supporting plate 5 is fixedly connected onto the micro lifting device, the horizontal supporting plate 5 can move up and down along with the micro lifting device, a crystal rotating motor 6 is arranged on the horizontal supporting plate 5, an output shaft of the crystal rotating motor 6 is connected with a seed rod 8 through a bearing 7, the seed rod 8 enters a high-temperature melt of a crucible 9 in a furnace body 34, the crystal rotating motor 6 is a rotating motor, and the output shaft drives the seed.
The horizontal adjusting device is used for adjusting the whole device to move left and right, the vertical adjusting device and the micro-lifting device are used for adjusting the seed rod 8 to move up and down, and the radial rotating device is used for adjusting the seed rod 8 to move back and forth.
Example 2:
a crystal growth lifting device is structurally as shown in embodiment 1, except that a fixed shaft 10 is fixed on a fixed plate 1, the fixed shaft 10 is arranged in the left-right direction, the two ends of the horizontal sliding shaft are fixed on a fixing plate 1, a screw rod support 11 is vertically fixed at one end (preferably the left end) of the fixing plate 1, a sliding block 12 matched with a fixing shaft 10 is fixedly arranged below a horizontal sliding shaft 2, two sliding blocks 12 are preferably arranged below each horizontal sliding shaft 2, the sliding blocks 12 are sleeved on the fixing shaft 10 and can slide left and right on the fixing shaft 10, the fixing shaft 10 is equivalent to a guide rod, the sliding blocks 12 and the horizontal sliding shaft 2 can move left and right along the fixing shaft 10, the horizontal adjusting device further comprises a first screw rod 13 and a nut 14, the first screw rod 13 is fixed on the screw rod support 11, the nut 14 is fixed on the horizontal sliding shaft 2, and the left and right positions of the whole device are adjusted through screwing in and screwing out of.
The screw rod support 11 is further provided with a hand wheel 15, and the hand wheel 15 is connected with the first screw rod 13 and used for adjusting the distance between the first screw rod 13 and the nut 14.
The fixed plate 1 is provided with a plurality of rows of fixed shafts 10, correspondingly, the number of the horizontal sliding shafts 2 and the number of the sliding blocks 12 can be multiple, the horizontal sliding shafts 2 bear all elements of the vertical adjusting device together, the hand wheel 15 and the first screw 13 can be arranged on the middle row of fixed shafts, the horizontal displacement can be better adjusted by the rows of fixed shafts, and the precision is higher.
Example 3:
a crystal growth lifting device, the structure of which is shown in embodiment 2, is different in that the vertical adjusting device further includes a first support rod 16 and a second support rod 17 which are vertically arranged, the number of the first support rod 16 and the second support rod 17 is 2, top plates 18 are arranged at the tops of the 2 first support rods 16 and the 2 second support rods 17, a lifting box body 3 is sleeved on the 2 second support rods 17, a counterweight block 19 is sleeved on the 2 first support rods 16, a fixed pulley 20 is arranged on the top plate 18, the lifting box body 3 and the counterweight block 19 are connected by a steel wire rope 21 through the fixed pulley 20, and a locking screw 22 is arranged on the lifting box body 3;
on the balancing weight 19 and carry and draw box 3 to wear to establish respectively on first bracing piece 16 and second bracing piece 17, 19 middle parts of balancing weight and the contact department of first bracing piece 16 to and carry and draw box 3 middle part and the contact department of second bracing piece 17 all to be provided with the rolling steel ball, become rolling friction with sliding friction, reduce frictional force.
A handle is arranged on one side of the lifting box body 3, and the vertical height of the lifting box body can be adjusted by manually pulling the handle during adjustment to drive the radial rotating device and the micro lifting device to move up and down; the counterweight block 19 is a counterweight iron block, and the steel wire rope 21 is a stainless steel rope.
The utility model discloses in, the weight of balancing weight 19 with carry the weight sum of drawing box, radial rotary device, carrying a device and seed rod a little and match, the stability of device when guaranteeing vertical regulation compares with traditional gear adjusting mode, the utility model discloses an introduction of balancing weight has improved the stability of adjusting greatly.
Example 4:
a crystal growth lifting device is disclosed in embodiment 3, the structure of which is as shown in FIG. 2, the radial rotating device comprises a fixed block 23 and a U-shaped rotating block 24, the fixed block 23 is fixedly connected with a lifting box body 3, the U-shaped rotating block 24 comprises an upper connecting plate, a lower connecting plate and a vertical connecting plate positioned between the upper connecting plate and the lower connecting plate, pin holes are formed in the upper connecting plate and the lower connecting plate, the upper connecting plate, the fixed block and the lower connecting plate are connected through a pin shaft 25, a radial rotating fixing screw 26 is arranged between the upper connecting plate and the fixed block, and when the front and rear adjustment is needed, the U-shaped rotating block 24 can rotate along the pin shaft 25 to realize the front and rear position adjustment of a seed rod and can be locked through the radial rotating fixing screw;
a limiting structure is arranged between the fixed block 23 and the U-shaped rotating block, and the limiting structures are limiting blocks which are respectively arranged at the maximum positions in the front and the rear directions after the U-shaped rotating block rotates.
Example 5:
a crystal growth lifting device is structurally shown in embodiment 4, and is different from the crystal growth lifting device in that a U-shaped rotating block 24 is fixedly connected with a horizontal connecting plate 4, internal threads are arranged on the horizontal connecting plate 4, a second screw 27 matched with the internal threads of the horizontal connecting plate 4 is arranged on a horizontal supporting plate 5, and fine adjustment in the vertical direction is achieved by screwing the second screw 27.
Example 6:
a crystal growth lifting device is structurally shown in embodiment 5, and is different in that one end of a horizontal connecting plate 4 is fixedly connected with a vertical guide rail 28, a horizontal supporting rod 5 is vertically and fixedly connected with a vertical sliding plate 29, the sliding plate 29 is matched with the guide rail 28 and can move up and down relative to the guide rail 28, a limiting block 30 is fixedly arranged on the sliding plate 29, and a limiting hole is formed in the middle of the limiting block 30;
an output shaft of the crystal rotating motor 6 is connected with a connecting rod 31 through a bearing 7, the connecting rod 31 penetrates through a limiting hole in the middle of a limiting block 30 to be connected with a buckle 32, the buckle 32 connects the connecting rod 31 with the seed rod 8, the connecting rod 31 and the seed rod 8 rotate coaxially, the limiting hole is slightly larger than the outer diameter of the connecting rod 31, only the limiting effect is achieved, and the connecting rod 31 cannot rotate along with the rotation of the connecting rod 31.
Example 7:
a crystal growth lifting device, the structure of which is as shown in embodiment 6, except that the first support rod 16 and the second support rod 17 are made of stainless steel or aluminum, so as to effectively avoid the problem of sensitivity reduction caused by rust.
The bottom of the fixing plate 1 is provided with a support frame 33, the bottom of the support frame 33 is provided with a damping base, and the support frame 33 is made of a stainless steel support.
Example 8:
a crystal growth lifting device is shown in example 7, with the difference that the horizontal adjustment distance of the horizontal adjustment device is 5-30cm, the adjustment distance of the vertical adjustment device is 0-80cm, and the adjustment distance of the micro-pulling device is 0-15 cm.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A crystal growth lifting device is characterized by comprising a horizontal adjusting device, a vertical adjusting device, a radial rotating device and a micro-lifting device;
the horizontal adjusting device comprises a fixed plate and a horizontal sliding shaft capable of moving left and right relative to the fixed plate, the bottom of the vertical adjusting device is fixed on the horizontal sliding shaft, the vertical adjusting device comprises a lifting box body capable of moving up and down along a supporting rod in the vertical direction, the lifting box body is fixedly connected with a radial rotating device, the radial rotating device is fixedly connected with a horizontal connecting plate, a micro lifting device is arranged on the horizontal connecting plate, a horizontal supporting plate is fixedly connected onto the micro lifting device, a crystal-to-crystal motor is arranged on the horizontal supporting plate, and an output shaft of the crystal-to-crystal motor is connected with a seed rod through a bearing.
2. The crystal growth lifting device according to claim 1, wherein a fixed shaft is fixed on the fixed plate, a screw rod bracket is fixed at one end of the fixed plate, a sliding block matched with the fixed shaft is arranged below the horizontal sliding shaft, the sliding block is sleeved on the fixed shaft and can slide left and right on the fixed shaft, the horizontal adjusting device further comprises a first screw rod and a nut, the first screw rod is fixed on the screw rod bracket, and the nut is fixed on the horizontal sliding shaft.
3. The crystal growth pulling and lifting device as defined in claim 2, wherein the screw rod bracket is further provided with a hand wheel, and the hand wheel is connected with the first screw rod and used for adjusting the distance between the first screw rod and the nut.
4. The crystal growth lifting device according to claim 3, wherein the vertical adjusting device further comprises a first support rod and a second support rod which are vertically arranged, the number of the first support rod and the number of the second support rod are 2, top plates are arranged at the tops of the 2 first support rods and the 2 second support rods, the lifting box body is sleeved on the 2 second support rods, a balancing weight is sleeved on the 2 first support rods, a fixed pulley is arranged on the top plate, the lifting box body and the balancing weight are connected through the fixed pulley by a steel wire rope, and a locking screw is arranged on the lifting box body;
a handle is arranged on one side of the lifting box body, and the balancing weight is a balancing iron block.
5. The crystal growth lifting device according to claim 4, wherein the radial rotating device comprises a fixed block and a U-shaped rotating block, the fixed block is fixedly connected with the lifting box body, the U-shaped rotating block comprises an upper connecting plate, a lower connecting plate and a vertical connecting plate located between the upper connecting plate and the lower connecting plate, pin holes are formed in the upper connecting plate and the lower connecting plate, the upper connecting plate, the fixed block and the lower connecting plate are connected through pin shafts, and radial rotating fixing screws are arranged between the upper connecting plate and the fixed block.
6. The crystal growth lifting device according to claim 5, wherein the U-shaped rotating block is fixedly connected with a horizontal connecting plate, the horizontal connecting plate is provided with internal threads, and the horizontal supporting plate is provided with a second screw rod matched with the internal threads of the horizontal connecting plate.
7. The crystal growth lifting device according to claim 6, wherein a vertical guide rail is fixedly connected to one end of the horizontal connecting plate, a vertical sliding plate is vertically and fixedly connected to the horizontal supporting rod, the sliding plate is matched with the guide rail and can move up and down relative to the guide rail, a limiting block is fixedly arranged on the sliding plate, and a limiting hole is formed in the middle of the limiting block;
the output shaft of the crystal rotating motor is connected with a connecting rod through a bearing, the connecting rod penetrates through a limiting hole to be connected with a buckle, and the buckle is connected with the connecting rod and the seed rod, so that the connecting rod and the seed rod rotate coaxially.
8. The crystal growth lifting device of claim 7, wherein the first support rod and the second support rod are made of stainless steel or aluminum.
9. The crystal growth lifting device of claim 8, wherein a support frame is arranged at the bottom of the fixing plate, and a damping base is arranged at the bottom of the support frame.
10. The crystal growth pulling and lifting device of claim 9, wherein the horizontal adjustment distance of the horizontal adjustment device is 5-30cm, the adjustment distance of the vertical adjustment device is 0-80cm, and the adjustment distance of the micro pulling device is 0-15 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921759962.XU CN210916348U (en) | 2019-10-17 | 2019-10-17 | Crystal growth lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921759962.XU CN210916348U (en) | 2019-10-17 | 2019-10-17 | Crystal growth lifting device |
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| Publication Number | Publication Date |
|---|---|
| CN210916348U true CN210916348U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921759962.XU Expired - Fee Related CN210916348U (en) | 2019-10-17 | 2019-10-17 | Crystal growth lifting device |
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| CN (1) | CN210916348U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528071A (en) * | 2019-10-17 | 2019-12-03 | 山东大学 | A kind of crystal growing and pulling lifting device and its working method |
| CN114214731A (en) * | 2021-10-08 | 2022-03-22 | 上海汉虹精密机械有限公司 | Seed crystal lifting and rotating mechanism special for silicon carbide furnace |
-
2019
- 2019-10-17 CN CN201921759962.XU patent/CN210916348U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528071A (en) * | 2019-10-17 | 2019-12-03 | 山东大学 | A kind of crystal growing and pulling lifting device and its working method |
| CN114214731A (en) * | 2021-10-08 | 2022-03-22 | 上海汉虹精密机械有限公司 | Seed crystal lifting and rotating mechanism special for silicon carbide furnace |
| CN114214731B (en) * | 2021-10-08 | 2024-02-06 | 上海汉虹精密机械有限公司 | Seed crystal lifting and rotating mechanism special for silicon carbide furnace |
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Granted publication date: 20200703 |