CN211896052U - Silicon core rod clamping device - Google Patents

Abstract

The utility model discloses a silicon core rod clamping device, which comprises a workbench, wherein the workbench is provided with a driving mechanism and a plurality of groups of clamping mechanisms, each clamping mechanism comprises a circular ring and a rotary table, one end of a first sliding pin outside the circular ring is provided with one end of a second sliding pin, the rotary table is provided with a through groove, the other end of the second sliding pin is matched with the through groove, the circular ring is provided with a ring groove, the rotary table is provided with a plurality of T-shaped sliders, the driving mechanism can drive all the clamping mechanisms to operate together, the clamping mechanisms can well clamp the silicon core rod, a limiting mechanism can limit the motion condition of the clamping mechanisms by limiting the rotation of a hand wheel, the rolling mechanism can improve the stability of the operation of the rotary table and reduce the operation noise thereof, the technical proposal of the utility model solves the problem that the clamping mechanisms in the prior art are complex to operate, and the problem of poor linkage effect of the whole device is favorable for popularization and promotion.

Description

Silicon core rod clamping device

Technical Field

The utility model relates to a clamping device technical field, concrete field is silicon core stick clamping device.

Background

The mainstream polysilicon material manufacturers in the market adopt an improved Siemens method to produce polysilicon. And preparing the polysilicon through the reaction and deposition of the silicon-containing gas on the surface of the polysilicon carrier in the reduction furnace. The polycrystalline silicon carrier is a silicon core, the polycrystalline silicon carrier is uniformly distributed on a chassis of a reduction furnace through a clamping device, two silicon cores form a conductive loop through a beam structure at the top, a plurality of pairs of silicon cores are heated to the gas reaction temperature after being conductive through an electrode of the chassis, so that silicon-containing gas is reduced and deposited on the surface of the carrier, and the silicon cores grow to form a silicon rod along with the deposition process, so that the polycrystalline silicon material is produced.

As mentioned above, a single silicon core is a whole, generally a cylindrical silicon core with a diameter of 8-15mm or a square silicon core with a corresponding side length. With the continuous development of polysilicon production technology, the reduction furnace is continuously increased in radial direction and height, a large reduction furnace with the height of more than 4m is derived, and the height of the corresponding silicon core is required to reach 4m or even higher. In the production and preparation process of the silicon core, the heights of the silicon cores need to be unified. Because of the influence of factors such as stress, cutters, clamps and the like, the breakage of the silicon core is difficult to avoid, and the length of the silicon core cannot meet the use requirement of the reduction furnace and cannot be used. At present, a silicon core welding method is generally used, and the end faces of the silicon cores are heated in various modes, so that the end faces of the silicon cores are melted and then butted, the silicon core welding is realized, and the production cost of the silicon cores is reduced. However, above-mentioned welding method simple structure, single silicon core of single welding, production preparation inefficiency, the utility model discloses a silicon core fixture that the license number is CN211219394U can carry out the centre gripping to many silicon cores when the silicon core welding, improves welding efficiency, but this technical scheme has certain weak point: when carrying out silicon plug centre gripping, need locate the surface of clamping piece with the spacing ring cover, then to the spacing ring applied pressure, this kind of operation is comparatively complicated, and installs holistic linkage effect relatively poor, here, proposes a neotype silicon plug clamping device and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a silicon core stick clamping device to what propose among the solution above-mentioned background art when carrying out the centre gripping of silicon core stick, need locate the surface of clamping piece with the spacing ring cover, then exert pressure to the spacing ring, this kind of operation is comparatively complicated, and installs the relatively poor problem of holistic linkage effect.

In order to achieve the above object, the utility model provides a following technical scheme: the silicon core rod clamping device comprises a workbench, wherein a driving mechanism and a plurality of groups of clamping mechanisms are arranged on the workbench, the driving mechanism comprises an installation seat, a rotating shaft is connected to the installation seat in a penetrating and rotating manner, a plurality of driving bevel gears are arranged on the rotating shaft, one end of the rotating shaft penetrates through the installation seat and is connected with a hand wheel, a holding block is arranged on the hand wheel, a limiting mechanism is arranged on the workbench corresponding to the position of the hand wheel, the clamping mechanism comprises a circular ring and a rotary plate, a driven bevel gear is arranged on the rotary plate and is meshed with the corresponding driving bevel gear, the circular ring is connected to the workbench through a connecting rod, a plurality of first sliding pins are radially connected to the circular ring in a penetrating and sliding manner, a clamping block is arranged at one end of each first sliding pin, which is positioned outside the circular ring, and one end of each first sliding pin is provided with a second sliding pin, seted up logical groove on the carousel, the other end of second sliding pin with lead to groove looks adaptation, the annular has been seted up on the ring, be equipped with a plurality of T type sliders on the carousel, T type slider with be sliding connection between the annular, correspond on the terminal surface of ring the position of annular both sides is connected with two clamping rings respectively, T type slider and two all be equipped with rolling mechanism between clamping ring and the annular.

Preferably, stop gear is including setting up connecting block on the workstation, the connecting block orientation the surface of hand wheel is seted up flutedly, sliding connection has the stopper in the recess, a plurality of spacing grooves have been seted up to circumference on the hand wheel, the spacing groove with stopper looks adaptation, be equipped with the slide bar on the stopper, the slide bar runs through the connecting block and with be sliding connection between the connecting block, the slide bar is located the outer part of connecting block is the external screw thread section, threaded connection has the adjustment flange on the external screw thread section.

Preferably, rolling mechanism is including seting up T type slider orientation is two the clamping ring with the spherical cavity on the surface of annular, the spherical cavity internal rotation is connected with the ball, two the clamping ring with the stroke groove has all been seted up on the surface that the annular is relative, the stroke groove with ball looks adaptation.

Preferably, the four corners of the bottom of the workbench are provided with one ends of the supporting rods, and the other ends of the supporting rods are provided with casters.

Preferably, the length of the supporting rod is adjustable.

Preferably, the adjusting flange and the outer edge of the hand wheel are both provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are that: silicon plug clamping device, actuating mechanism can drive all fixture move jointly, and fixture can carry out good centre gripping to the silicon core stick, and the rotation of stop gear accessible restriction hand wheel is injectd fixture's motion, and rolling mechanism can improve carousel moving stability to reduce its running noise, the utility model discloses a technical scheme has solved the fixture operation that exists among the prior art comparatively complicated, and installs the relatively poor problem of holistic linkage effect, and the device overall structure is simple and easy, convenient to use, and reliable operation does benefit to popularization.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic diagram of a right-side sectional structure of the clamping mechanism of the present invention;

FIG. 3 is a schematic front view of the ring of the present invention;

fig. 4 is a rear view of the turntable of the present invention;

fig. 5 is a right schematic view of the hand wheel of the present invention;

FIG. 6 is a schematic view of a portion of the enlarged structure of FIG. 1;

fig. 7 is a schematic view of a partial enlarged structure at B in fig. 1 according to the present invention;

fig. 8 is a schematic diagram of a partial enlarged structure at C in fig. 2 according to the present invention.

In the figure: 1-workbench, 2-mounting seat, 3-rotating shaft, 4-driving bevel gear, 5-hand wheel, 6-holding block, 7-circular ring, 8-rotary table, 9-driven bevel gear, 10-connecting rod, 11-first sliding pin, 12-clamping block, 13-second sliding pin, 14-through groove, 15-circular groove, 16-T type sliding block, 17-press ring, 18-connecting block, 19-groove, 20-limiting block, 21-limiting groove, 22-sliding rod, 23-adjusting flange, 24-spherical cavity, 25-ball, 26-stroke groove and 27-supporting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a silicon core rod clamping device comprises a workbench 1, wherein a driving mechanism and a plurality of groups of clamping mechanisms are arranged on the workbench 1, the driving mechanism comprises a mounting seat 2, a rotating shaft 3 is connected on the mounting seat 2 in a penetrating and rotating mode, a plurality of driving bevel gears 4 are arranged on the rotating shaft 3, the number of the driving bevel gears 4 corresponds to that of the clamping mechanisms, one end of the rotating shaft 3 penetrates through the mounting seat 2 and is connected with a hand wheel 5, a holding block 6 is arranged on the hand wheel 5, the holding block 6 is in accordance with ergonomics to improve the operation comfort of the hand wheel 5, a limiting mechanism is arranged on the workbench 1 corresponding to the position of the hand wheel 5 and is used for limiting the operation of the hand wheel 5, the clamping mechanism comprises a circular ring 7 and a rotary plate 8, a driven bevel gear 9 is arranged on the rotary plate 8, the driven bevel gear 9 is meshed with the corresponding driving bevel gear 4, the circular ring 7 is connected to the workbench, one end that first sliding pin 11 is located ring 7 is equipped with clamp splice 12, the one end that first sliding pin 11 is located outside ring 7 is equipped with the one end of second sliding pin 13, logical groove 14 has been seted up on carousel 8, the shape that leads to groove 14 is shown in fig. 4, the other end and the logical groove 14 looks adaptation of second sliding pin 13, and be provided with the bearing on the second sliding pin 13, the bearing slides in logical groove 14, the diameter of bearing is less than the width that leads to groove 14, annular 15 has been seted up on the ring 7, be equipped with a plurality of T type sliders 16 on the carousel 8, be sliding connection between T type slider 16 and the annular 15, the position that corresponds annular 15 both sides on the terminal surface of ring 7 is connected with two clamping rings 17 respectively, all be equipped with rolling mechanism between T type slider 16 and two clamping rings 17 and the annular 15.

Particularly, stop gear is including setting up connecting block 18 on workstation 1, as shown in fig. 7, connecting block 18 has seted up recess 19 towards the surface of hand wheel 5, sliding connection has stopper 20 in the recess 19, a plurality of spacing grooves 21 have been seted up to circumference on the hand wheel 5, spacing groove 21 and stopper 20 looks adaptation, be equipped with slide bar 22 on the stopper 20, slide bar 22 run through connecting block 18 and with be sliding connection between the connecting block 18, the part that slide bar 22 is located outside connecting block 18 is the external screw thread section, threaded connection has adjusting flange 23 on the external screw thread section.

Specifically, the rolling mechanism comprises a ball cavity 24 which is arranged on the surface of the T-shaped sliding block 16 facing the two pressing rings 17 and the ring groove 15, a ball 25 is connected in the ball cavity 24 in a rotating mode, a stroke groove 26 is formed in the surface, opposite to the two pressing rings 17 and the ring groove 15, of the two pressing rings 17, and the stroke groove 26 is matched with the ball 25.

Specifically, the bottom four corners of the workbench 1 are all provided with one end of the support rod 27, the other end of the support rod 27 is provided with a caster, and the caster is a universal wheel and is provided with a self-locking mechanism.

In particular, the length of the support bar 27 is adjustable, which is a prior art measure and will not be described in detail herein.

Specifically, the adjusting flange 23 and the outer edge of the hand wheel 5 are both provided with anti-slip threads.

The working principle is as follows: in the utility model, the driving mechanism can drive all the clamping mechanisms to operate together, the clamping mechanisms can carry out good clamping on the silicon core rod, in the clamping mechanism, the rotary disc 8 drives the operation under the meshing action of the driving bevel gear 4 and the driven bevel gear 9, when the rotary disc 8 rotates, the second sliding pin 13 slides according to the shape of the through groove 14, the second sliding pin 13 drives the first sliding pin 11 to slide in the circular ring 7, so that the radial position of the clamping block 12 is changed, when the clamping blocks 12 are close to each other, the clamping block 12 clamps the silicon core rod, when the clamping blocks 12 are far away from each other, the clamping block 12 stops clamping the silicon core rod, the limiting mechanism can limit the movement condition of the clamping mechanism by limiting the rotation of the hand wheel 5, the adjusting flange 23 is rotated, so that the sliding rod 22 drives the limiting block 20 to slide towards the direction of the groove 19, until the limiting block 20 is separated from the limiting groove 21, the limiting mechanism fails, the hand wheel can be rotated at the moment, the ring 7 and the rotary table 8 are connected through the T-shaped sliding block 16 and the annular groove 15, the rotary table 8 can rotate relative to the ring 7, and under the action of the rolling mechanism, the rotary table 8 operates stably and is low in noise.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model is including the conventional connected mode of circuit connection adoption conventional among the prior art, and here detailed description is not again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Silicon plug clamping device, including workstation (1), its characterized in that: the automatic clamping device is characterized in that a driving mechanism and a plurality of groups of clamping mechanisms are arranged on the workbench (1), the driving mechanism comprises a mounting seat (2), a rotating shaft (3) is connected to the mounting seat (2) in a penetrating and rotating mode, a plurality of driving bevel gears (4) are arranged on the rotating shaft (3), one end of the rotating shaft (3) penetrates through the mounting seat (2) and is connected with a hand wheel (5), a holding block (6) is arranged on the hand wheel (5), a limiting mechanism is arranged on the workbench (1) corresponding to the position of the hand wheel (5), the clamping mechanism comprises a circular ring (7) and a rotary plate (8), a driven bevel gear (9) is arranged on the rotary plate (8), the driven bevel gear (9) is meshed with the corresponding driving bevel gear (4), the circular ring (7) is connected to the workbench (1) through a connecting rod (10), and the circular ring (7) is radially connected with a plurality of first sliding pins (11, first sliding pin (11) are located one end in ring (7) is equipped with clamp splice (12), first sliding pin (11) are located ring (7) outer one end is equipped with the one end of second sliding pin (13), logical groove (14) have been seted up on carousel (8), the other end of second sliding pin (13) with lead to groove (14) looks adaptation, annular (15) have been seted up on ring (7), be equipped with a plurality of T type slider (16) on carousel (8), T type slider (16) with be sliding connection between annular (15), correspond on the terminal surface of ring (7) the position of annular (15) both sides is connected with two clamping rings (17) respectively, T type slider (16) and two all be equipped with rolling mechanism between clamping ring (17) and annular (15).

2. The silicon mandrel holding apparatus of claim 1, wherein: stop gear is including setting up connecting block (18) on workstation (1), connecting block (18) orientation recess (19) are seted up on the surface of hand wheel (5), sliding connection has stopper (20) in recess (19), a plurality of spacing grooves (21) have been seted up to circumference on hand wheel (5), spacing groove (21) with stopper (20) looks adaptation, be equipped with slide bar (22) on stopper (20), slide bar (22) run through connecting block (18) and with be sliding connection between connecting block (18), slide bar (22) are located the outer part of connecting block (18) is external screw thread section, threaded connection has adjusting flange (23) on the external screw thread section.

3. The silicon mandrel holding apparatus of claim 1, wherein: rolling mechanism is including offering T type slider (16) is towards two clamping ring (17) with ball chamber (24) on the surface of annular (15), ball chamber (24) internal rotation is connected with ball (25), two clamping ring (17) with stroke groove (26) have all been seted up on the surface that annular (15) are relative, stroke groove (26) with ball (25) looks adaptation.

4. The silicon mandrel holding apparatus of claim 1, wherein: the bottom four corners of workstation (1) all is equipped with the one end of bracing piece (27), the other end of bracing piece (27) all is equipped with the truckle.

5. The silicon mandrel holding apparatus of claim 4, wherein: the length of the supporting rod (27) is adjustable.

6. The silicon mandrel holding apparatus as claimed in claim 2, wherein: the outer edges of the adjusting flange (23) and the hand wheel (5) are provided with anti-skid lines.

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