CN212017855U - A kind of crucible clamp for clamping platinum yellow crucible - Google Patents

Abstract

The utility model provides a press from both sides crucible tongs of getting platinum crucible, belongs to laboratory crucible equipment technical field for put into and take out the crucible in melting a kind stove. The technical scheme is as follows: it includes the binding clip, the pincers body, the round pin axle, a handle, install circular baffle at pincers body rear portion, circular baffle is perpendicular with the length direction of the pincers body, there is rectangular sliding tray on circular baffle's the face, the width of sliding tray and the width phase-match of the pincers body, two pincers bodies are arranged in the sliding tray respectively, a pincers body and circular baffle are in the upper end fixed connection of sliding tray, another pincers body is sliding fit with the sliding tray, clamping spring's both ends are connected with two pincers bodies respectively, clamping spring's static length is less than when two binding clips merge the distance between two pincers bodies of clamping spring tie point. The utility model discloses can effectively prevent to scald and press from both sides tight platinum yellow crucible to can protect the crucible pincers point, avoid the sample to spill and spatter, greatly reduced the phenomenon of repeated analysis sample, guaranteed experimental progress, the cost is reduced.

Description

A kind of crucible clamp for clamping platinum yellow crucible

technical field

The utility model relates to a manual crucible tong for putting in and taking out a crucible in a sample melting furnace, belonging to the technical field of laboratory crucible equipment.

Background technique

In the iron and steel production process, most of the iron ore, alloy, limestone and other materials analyzed in the laboratory are analyzed by wavelength dispersive X-ray fluorescence spectroscopy for multi-component content analysis. However, this method requires the preparation of the sample to be tested as a glassy fused sample. The preparation of melting samples is generally to mix a certain proportion of the sample and flux in a platinum yellow crucible evenly, and use crucible tongs to put the crucible into the melting furnace for melting. The melting temperature is generally 950-1100 ° C. Take out the platinum yellow crucible with crucible tongs and shake it evenly to make a glass frit.

In the process of sample preparation, crucible tongs are required to frequently clamp high-temperature platinum yellow crucibles. Common crucible tongs on the market are likely to burn operators during the process of clamping high-temperature platinum yellow crucibles, resulting in sample spillage. The sample needs to be remelted, which affects the progress of the test. And cause cost waste, and may also cause damage to the melting furnace and reduce the service life of the melting furnace.

Utility model content

The technical problem to be solved by the utility model is to provide a crucible tong for clamping the platinum yellow crucible, which can safely clamp the platinum yellow crucible under high temperature, prevent the liquid from splashing, and can play a very good role for the operator. Protective effects.

The technical solutions to solve the above technical problems are:

A crucible tong for clamping platinum yellow crucible, which comprises a tong head, a tong body, a pin shaft and a handle, the two tong heads are respectively connected with the two tong bodies, the middle of the two tong bodies is installed and connected by a pin shaft, and the two The rear end of the clamp body is installed with a handle. The improvement is that it also has a circular baffle and a clamping spring. A circular baffle is installed at the rear of the clamp body. The circular baffle is perpendicular to the length direction of the clamp body. There is a long sliding groove on the plate surface of the circular baffle. One end of the sliding groove is open at the edge of the circular baffle, and the other end of the sliding groove reaches the side of the center of the circular baffle. The width of the sliding groove is the same as that of the clamp body. The widths of the two clamp bodies are respectively located in the sliding grooves, one clamp body is fixedly connected with the circular baffle at the upper end of the sliding groove, the other clamp body and the sliding groove are slidingly matched, and the two ends of the clamping spring are respectively The two clamp bodies are connected, and the static length of the clamping spring is smaller than the distance between the two clamp bodies at the connection point of the clamping spring when the two clamp heads are combined.

The above-mentioned crucible tongs for clamping platinum yellow crucibles, the inner sides of the clamping parts in the front of the two tongs are opposite serrations of the tongs, the rear of the tongs is an arc-shaped tongs, the circles of the two tongs are round. The arcs protrude to the outside respectively, and the arcs of the two clamp rings are opposite to each other.

The above-mentioned crucible tongs for clamping platinum yellow crucibles, the lengths of the two tong bodies are different, the short tong body is located at the inner end of the sliding groove of the circular baffle plate, the short tong body is fixedly connected with the circular baffle plate, the long tong body is connected with the circular baffle plate. The sliding groove of the shaped baffle is a sliding fit.

The above-mentioned crucible tongs for holding platinum yellow crucibles have different sizes of the two handles. A small handle is installed at the rear end of the short tong body, and a large handle is installed at the rear end of the long tong body. Hot cotton.

The above-mentioned crucible tongs for clamping platinum yellow crucibles, one side of the short tong body and the circular baffle is connected by a right angle gasket, a right angle surface of the right angle gasket is fixed on the short tong body by bolts, and the other side of the right angle gasket is fixed on the short tong body. A right-angle surface is fixed on the circular baffle by rivets, the other side of the circular baffle is vertically connected with the flat gasket, the front end of the flat gasket is against the plate surface of the circular baffle, and the flat gasket is fixed on the plate by bolts. on the body of the short forceps.

The beneficial effects of the present utility model are:

In the utility model, a circular baffle is installed on the clamp body, which isolates part of the heat source and can prevent the sample from being splashed and scalded; a clamping spring is added between the two clamp bodies, so that the clamp head and the platinum yellow crucible can be clamped more tightly; The circular baffle can protect the clamp head from contacting the table surface and prolong the service life of the crucible clamp; the clamping part of the clamp head is serrated, which can increase the clamping force between the clamp head and the platinum yellow crucible; long clamp The body can keep the crucible clamp away from the heat source of the melting furnace to take the platinum yellow crucible.

The utility model adds a circular baffle plate and a clamping spring, which can effectively prevent scalding and clamp the platinum yellow crucible, and can protect the crucible tong tip. After adopting the utility model, the spillage of the sample is avoided, the phenomenon of repeated analysis of the sample is greatly reduced, the test progress is ensured, the cost is reduced, and the service life of the melting furnace is also prolonged.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the installation schematic diagram of circular baffle;

FIG. 3 is a rear view of FIG. 2 .

The marks in the figure are as follows: pliers head 1, pliers head serration 2, pliers ring 3, pin shaft 4, clamping spring 5, circular baffle 6, sliding groove 7, right angle washer 8, flat washer 9, bolt 10, Rivet 11 , long tong body 12 , short tong body 13 , large handle 14 , small handle 15 .

Detailed ways

The utility model is composed of a pliers head 1, a pliers head saw tooth 2, a pliers ring 3, a pin shaft 4, a clamping spring 5, a circular baffle 6, a long pliers body 12, a short pliers body 13, a large handle 14, and a small handle 15. .

Figure 1 shows that two pliers heads 1 are respectively connected to two pliers bodies, the middle of the two pliers bodies is installed and connected by a pin shaft 4, the rear ends of the two pliers bodies are installed with handles, and a circular stopper is installed at the rear of the pliers bodies Plate 6, with clamping spring 5 installed between the two pliers.

Figure 1 shows that the inner sides of the clamping parts at the front of the two jaws 1 are opposite jaws 2, which can increase the clamping force between the jaws 1 and the platinum yellow crucible. The rear part of the forceps head 1 is an arc-shaped forceps ring 3 , the arcs of the two forceps rings 3 respectively protrude to the outside, and the circular arcs of the two forceps rings 3 are opposite to each other.

Figure 1 shows that the lengths of the two pliers bodies 1 are different, and the sizes of the two handles are different. The rear end of the short pliers body 13 is installed with a small handle 15, the rear end of the long pliers body 12 is installed with a large handle 14, and the two handles are respectively wrapped A layer of heat-resistant insulation cotton. By using the long tong body 12, the platinum yellow crucible can be taken by keeping the crucible tong away from the heat source of the melting furnace.

Figures 1, 2 and 3 show that the circular baffle 6 is located at the rear of the clamp body, the circular baffle 6 is perpendicular to the length direction of the clamp body, and there is a long sliding groove 7 on the plate surface of the circular baffle 6 to slide One end of the slot 7 is open at the edge of the circular baffle 6, the other end of the sliding slot 7 reaches one side of the center of the circular baffle 6, and the width of the sliding slot 7 matches the width of the clamp body. A circular baffle 6 is installed on the clamp body, which isolates part of the heat source and prevents the sample from being splashed and scalded. The installation of the circular baffle can also protect the clamp head 1 from contacting the table surface, extending the service life of the crucible clamp.

Figures 2 and 3 show that the two clamp bodies are located in the sliding grooves 7 respectively, the short clamp body 13 is located at the inner end of the sliding groove 7 of the circular baffle 6, the short clamp body 13 is fixedly connected with the circular baffle 6, and the long clamp body 12 is in sliding fit with the sliding groove 7 of the circular baffle 6 .

2 and 3 show that one side of the short caliper body 13 and the circular baffle 6 is connected by a right-angled washer 8, and a right-angled surface of the right-angled washer 8 is fixed on the short caliper body 13 by bolts 10. The other right-angle surface is fixed on the circular baffle 6 by rivets 11, the other side of the circular baffle 6 is vertically connected with the flat gasket 9, and the front end of the flat gasket 9 is pressed against the plate surface of the circular baffle 6, The flat washer 9 is fixed on the short caliper body 13 by bolts.

Figure 1 shows that a clamping spring 5 is added between the two clamp bodies, so that the clamp head 1 and the platinum yellow crucible are clamped more tightly. Both ends of the clamping spring 5 are connected with the long clamp body 12 and the short clamp body 13 respectively, and the static length of the clamping spring 5 is less than the distance between the two clamp bodies at the connection point of the clamping spring 5 when the two clamp heads 1 are combined. . That is, when the two clamp heads 1 are combined, the clamping spring 5 still has a certain clamping force without relaxation, which can ensure that the two clamp heads 1 clamp the platinum yellow crucible.

Because the platinum yellow crucible is clamped at high temperature, the heat radiation is large, so the handle is easy to get hot. A stainless steel circular baffle 6 is placed in front of the crucible handle, and a clamping spring 5 is installed in front of the circular baffle 6. Use crucible tongs to better hold the crucible to prevent the liquid from splashing and scalding, which can play a good protective role.

The use method of the present utility model is as follows:

When the utility model is in use, the thumb is put into the small handle 15, the index finger is placed outside the large handle 14, and the other three fingers are put into the large handle 14, so that the crucible tongs can be well held; Zhang Open the crucible tongs, open the clamping spring 5, clamp the edge of the crucible body with the crucible tong head 1, close the long tong body 12 and the short tong body 13, clamp the clamping spring 5, put the crucible into or take out the melting furnace .

An embodiment of the present utility model is as follows:

The length of the clamp head 1 is 34mm;

The length of clamp ring 3 is 47mm

The length of the pin is 40mm;

The length of the long clamp body 12 is 420mm;

The length of the short forceps body 13 is 380mm;

The length of the large handle 14 is 75mm;

The length of the small handle 15 is 35mm;

The material of the circular baffle 6 is stainless steel plate, the diameter is 150mm, and the thickness is 10mm;

The width of the sliding groove 7 is 8mm and the length is 90mm;

The length of the right angle gasket 8 is 72mm;

The length of the flat washer 9 is 12 mm.

Claims (5)

1. The utility model provides a press from both sides crucible tongs of getting platinum crucible, it includes binding clip (1), the pincers body, round pin axle (4), handle, two binding clip (1) are connected with two pincers bodies respectively, by round pin axle (4) erection joint in the middle of two pincers bodies, the rear end installation handle of two pincers bodies, its characterized in that: the clamp is also provided with a circular baffle (6) and a clamping spring (5), the circular baffle (6) is arranged at the rear part of the clamp body, the circular baffle (6) is vertical to the length direction of the clamp body, a strip-shaped sliding groove (7) is arranged on the surface of the circular baffle (6), one end of the sliding groove (7) is opened at the edge of the circular baffle (6), the other end of the sliding groove (7) reaches one side of the circle center of the circular baffle (6), the width of the sliding groove (7) is matched with the width of the clamp body, the two clamp bodies are respectively positioned in the sliding groove (7), one clamp body is fixedly connected with the circular baffle (6) at the upper end of the sliding groove (7), the other clamp body is in sliding fit with the sliding groove (7), two ends of the clamping spring (5) are respectively connected with the two clamp bodies, and the static length of the clamping spring (5) is smaller than the distance between the two clamp bodies of the connecting point of the clamping spring (5) when the two clamp heads (1) are combined.

2. The crucible tongs for gripping a platinum crucible as claimed in claim 1, wherein: the inner side surfaces of the clamping parts at the front parts of the two forceps heads (1) are provided with opposite forceps head sawteeth (2), the rear parts of the forceps heads (1) are provided with arc-shaped forceps rings (3), the arcs of the two forceps rings (3) respectively protrude outwards, and the arcs of the two forceps rings (3) are opposite.

3. The crucible tongs for gripping a platinum crucible as claimed in claim 1, wherein: the length of the two clamp bodies is different, the short clamp body (13) is positioned at the inner end of the sliding groove (7) of the circular baffle (6), the short clamp body (13) is fixedly connected with the circular baffle (6), and the long clamp body (12) is in sliding fit with the sliding groove (7) of the circular baffle (6).

4. The crucible tongs for gripping a platinum crucible as claimed in claim 1, wherein: the two handles are different in size, a small handle (15) is installed at the rear end of the short forceps body (13), a large handle (14) is installed at the rear end of the long forceps body (12), and a layer of high-temperature-resistant heat-insulating cotton is wrapped on each of the two handles.

5. The crucible tongs for gripping a platinum crucible as claimed in claim 4, wherein: one side of the short clamp body (13) and the circular baffle (6) is connected with a right-angle gasket (8), a right-angle surface of the right-angle gasket (8) is fixed on the short clamp body (13) through a bolt (10), another right-angle surface of the right-angle gasket (8) is fixed on the circular baffle (6) through a rivet (11), the other side of the circular baffle (6) is vertically connected with a flat gasket (9), the front end of the flat gasket (9) is supported on the surface of the circular baffle (6), and the flat gasket (9) is fixed on the short clamp body (13) through a bolt.

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