CN203371406U

CN203371406U - Crucible tongs for glass powder hardening

Info

Publication number: CN203371406U
Application number: CN201320447564.0U
Authority: CN
Inventors: 宋财根; 张莉娜; 董政
Original assignee: NINGBO GUANGBO NEW NANOMATERIALS STOCK CO Ltd
Current assignee: NINGBO GUANGBO NEW NANOMATERIALS STOCK CO Ltd
Priority date: 2013-07-24
Filing date: 2013-07-24
Publication date: 2014-01-01
Anticipated expiration: 2023-07-24

Abstract

The utility model discloses crucible tongs for glass powder hardening. The crucible tongs comprise tong handles and tong arms, the tong arms are connected to the tong handles and hinged through a pin shaft, the front end of each tong arm is provided with a tong claw formed by an upper tong ring and a lower tong ring, and the diameters of the upper tong rings are larger than the diameters of the lower tong rings. By means of the structure, when the crucible tongs are used for taking a crucible, the contact area is sufficiently expanded through the two sets of upper tong rings and lower tong rings in contact with the outer contour of the crucible, therefore, the firmness of the crucible is accordingly guaranteed, the crucible can be stably moved and not prone to sliding in the process that the crucible is clamped and moved.

Description

Glass dust hardening crucible tongs

Technical field

The utility model belongs to crucible operating technology field, is specifically related to a kind of glass dust hardening crucible tongs.

Background technology

The electric slurry industry often need to use glass dust, and glass dust is the chief component composition of slurry, for cost-saving and production in enormous quantities, the general alumina crucible that adopts carries out heating and melting as container to glass dust, and this crucible bottom is smooth, suitable for reading large, lower young, it is olive-shaped that cross section is.While preparing glass dust, be generally that the glass dust raw material that prepare are poured in crucible, then crucible put into to the Muffle furnace sintering, sintering temperature, generally at 800-1400 degree high temperature, is then taken out crucible while hot, and glass melting liquid is poured into water and carries out hardening.

Crucible is after high temperature sintering, and temperature is very high, very crisp, need to it be taken out with crucible tongs, common crucible tongs on the market, as shown in Figure 1, only comprise clamp handle 1,, be connected to the tong arm 2 on clamp handle, tong arm is by bearing pin 3, hinged, described tong arm 2, front end is provided with the pincers circle 4 formed by the bending of tong arm extension; Getting in process and will clamp circle and be pressed on the crucible outer contour surface at pincers, because the pincers circle is the single piece of metal circle, is that the line face contacts with crucible, and impetus, usually in certain zone, causes crucible tongs built on the sand, and material easily spills; In addition, prepare in the glass dust process, glass metal shrend process need is inverted crucible or is tilted, if the pincers circle adds and holds that crucible is not firm easily to meet accident, crucible skids off to be fallen in water, produces serious consequence.On the other hand, the position of the bearing pin of crucible on tong arm fixed, and the length of tong arm impetus cannot be regulated, non-adjustable for the crucible opening and closing degree of the large ting model of difference, causes the scope of application narrow.

The utility model content

The utility model is for the above-mentioned deficiency of prior art, provide a kind of gripping crucible steadily, crucible is inverted or the glass dust hardening crucible tongs that are difficult for skidding off while tilting.

In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of glass dust hardening crucible tongs, comprise two clamp handles, be connected to two tong arms on two clamp handles, two tong arms are hinged by bearing pin, the front end of described each tong arm is provided with the chela consisted of upper pincers circle and lower pincers circle, and the diameter of described upper pincers circle is greater than the diameter of lower pincers circle.

Adopt said structure, when using crucible tongs pincers of the present utility model to get crucible, pincers enclose and lower pincers circle on contact with the crucible outline two groups, fully enlarged contact area, thereby guaranteed the fastness of crucible, in the process of gripping and mobile crucible, can move stably, be difficult for landing.The diameter of upper pincers circle (bore) is greater than the diameter of lower pincers circle; the olive-shaped outline of this bore just coincide alumina crucible; when upper pincers circle does not press from both sides steady crucible and falls down, lower pincers circle can well be clamped crucible because bore is little, can well play the effect of second protection.

As preferably, on described upper pincers circle, vertically be provided with the pincers hook.Adopt said structure, when the gripping crucible, during the pincers hook just can buckle into along the crucible opening, thereby, in glass metal shrend process, crucible is inverted or is tilted, the existence of pincers hook effectively buckles crucible, and crucible can not skid off and fall in water.

As preferably, be arranged with along its length two groups of pin-and-holes on described tong arm.Adopt said structure, when the crucible of the different size specifications of gripping, can be as required to move forward and backward the position of bearing pin along the tong arm length direction hinged by tong arm, thereby the chela openings of sizes of flexible modulation crucible tongs, guarantee that every kind of crucible all can realize firm gripping and movement, the scope of application is wide.

As preferably, described clamp handle skin is enclosed with the heat insulation foam layer, adopts said structure, when the crucible of clamping high temperature, also is difficult for scalding arm, safer.

The accompanying drawing explanation

The structural representation of Fig. 1 prior art crucible tongs.

As described in Figure: 1, clamp handle, 2, tong arm, 3, bearing pin, 4, pincers circle.

Fig. 2 the utility model glass dust hardening crucible tongs.

As shown in the figure: 1. clamp handle, 2. tong arm, 3. bearing pin, 4. chela, the upper pincers circle of 4.1., pincers circle under 4.2., 5. pincers hook, 6. pin-and-hole, 7. heat insulation foam layer.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is further described, but the utility model not only is confined to following examples.

As shown in Figure 2, glass dust hardening crucible tongs of the present utility model, comprise two clamp handles 1, be connected to two tong arms 2 on two clamp handles 1, two tong arms 2 are hinged by bearing pin 3, the front end of described each tong arm 2 is provided with the chela 4 consisted of upper pincers circle 4.1 and lower pincers circle 4.2, and the diameter of described upper pincers circle 4.1 is greater than the diameter of lower pincers circle 4.2.

Vertically be provided with pincers hook 5(pincers hook on upper pincers circle 4.1 described in the utility model and can be located at separately a upper pincers circle, or be equipped with the pincers hook on two upper pincers circles).Adopt said structure, when the gripping crucible, the pincers hook just can buckle in crucible along the crucible opening, thereby, in glass metal shrend process, crucible is inverted or is tilted, and the existence of pincers hook effectively buckles crucible, and crucible can not skid off and fall in water.

Be arranged with along its length two groups of pin-and-holes 6 on tong arm 2 described in the utility model.Adopt said structure, when the crucible of the different size specifications of gripping, can be as required to move forward and backward the position of bearing pin along the tong arm length direction hinged by tong arm, thereby the chela openings of sizes of flexible modulation crucible tongs, guarantee that every kind of crucible all can realize firm gripping and movement, the scope of application is wide.

Clamp handle skin described in the utility model is enclosed with heat insulation foam layer 7, adopts said structure, when the crucible of clamping high temperature, also is difficult for scalding arm, safer.

Claims

1. glass dust hardening crucible tongs, comprise two clamp handles (1), be connected to two tong arms (2) on two clamp handles (1), two tong arms (2) are hinged by bearing pin (3), it is characterized in that: the front end of described each tong arm (2) is provided with the chela (4) consisted of upper pincers circle (4.1) and lower pincers circle (4.2), and the diameter of described upper pincers circle (4.1) is greater than the diameter of lower pincers circle (4.2).

2. glass dust hardening crucible tongs according to claim 1, is characterized in that: vertically be provided with pincers hook (5) on described upper pincers circle (4.1).

3. glass dust hardening crucible tongs according to claim 1, is characterized in that: be arranged with along its length two groups of pin-and-holes (6) on described tong arm (2).

4. glass dust hardening crucible tongs according to claim 1, it is characterized in that: described clamp handle (1) skin is enclosed with heat insulation foam layer (7).