CN208998562U - Box type resistance furnace - Google Patents

Abstract

The utility model discloses a box resistance furnace has solved the in-process of the lofting sample at box resistance furnace and has required arm or anchor clamps to stretch into the problem that has the risk in the box resistance furnace. The technical key points are as follows: the utility model provides a box resistance furnace, is equipped with one side open-ended furnace in its furnace body, furnace's opening is equipped with one outward and rotates to be connected furnace gate on the furnace body, the fixed plate has set firmly in the furnace, slidable mounting has the platform of placing that is used for the laying-out in the fixed plate, place the platform with be equipped with between the furnace gate and open and shut can drive during the furnace gate place the drive subassembly that the platform slided, place the platform with be equipped with the limiting device who is used for the restriction to place platform sliding speed between the fixed plate. Through the arrangement, the placing table can slide out of the furnace or slide into the furnace chamber by opening and closing the furnace door, so that the lofting and sampling process of the box-type resistance furnace can be carried out outside the furnace, and meanwhile, the limiting device can ensure that the placing table slides at a more stable speed, so that the samples are prevented from rolling on the placing table.

Description

A kind of chamber type electric resistance furnace

Technical field

The utility model relates to construction material performance detection apparatus field, in particular to a kind of chamber type electric resistance furnace.

Background technique

Chamber type electric resistance furnace is a kind of common electric furnace form, be widely used in ceramics, metallurgy, electronics, glass, chemical industry, machinery, The production and experiment in the fields such as refractory material, new material exploitation, special material, building materials.Mainly by furnace body and the big portion of control cabinet two It is grouped as.When chamber type electric resistance furnace works under general condition, mostly interior heating work mode, using refractory material and thermal insulation material Do furnace lining.For carrying out the heat treatment such as normalizing, annealing, quenching and other heating uses to workpiece.

For chamber type electric resistance furnace, application No. is 201210467324.7 Chinese patents to disclose a kind of chamber type electric resistance furnace, Such resistance furnace achievees the effect that heat-insulation and heat-preservation by the way that insulating layer and flame retardant coating are arranged in furnace body while avoiding in resistance furnace Heat loss, while its fire door also includes outer layer made of internal layer and steel plate made of refractory fiber cotton, and fire door passes through It is rotatablely connected compared with chain and furnace body.Although the resistance furnace can achieve the effect that heat-insulation and heat-preservation, needed in setting-out sampling artificial It wears protection tool or is protruded into the burner hearth of resistance furnace using tool holder, especially after the completion of high-temperature heating, temperature in burner hearth Excessively high, when operator, which protrudes into, to be sampled in burner hearth, there are biggish security risks.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind can carry out sample outside burner hearth The chamber type electric resistance furnace of pick-and-place.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of chamber type electric resistance furnace, Including furnace body, the burner hearth of a side opening is equipped in the furnace body, the opening of the burner hearth is externally provided with one and is rotatably connected on the furnace Fire door on body, it is characterised in that: be installed with fixed plate in the burner hearth, be slidably fitted in the fixed plate for setting-out Mounting table is equipped with the drive group that the mounting table sliding can be driven when opening and closing the fire door between the mounting table and the fire door Part is equipped with the limits device for limiting mounting table sliding velocity between the mounting table and the fixed plate.

By using above-mentioned technical proposal, when opening and closing fire door, fire door will by drive component drive mounting table skid off or It slides into burner hearth, simultaneously because the limits device between mounting table and fixed plate will make mounting table held stationary in slipping Speed realizes the normal pick-and-place that sample is carried out outside burner hearth.

The utility model is further arranged to: the drive component includes being respectively fixedly connected in the mounting table and institute State the drive rod that fixing piece and both ends on fire door are rotatably connected on respectively on described two fixing pieces.

By using above-mentioned technical proposal, the transmission connection between fire door and mounting table is realized, make fire door can be in opening and closing Drive rod is driven, it is mobile that drive rod is further driven to mounting table.

The utility model is further arranged to: the fixing piece is in horizontal " T " shape structure, and the drive rod is in " work " Shape structure, the drive rod both ends offer the rotation hole on same straight line on the two sides bodies of rod outstanding up and down, described In the upper and lower ends rotation connection of fixing piece and the rotation hole.

By using above-mentioned technical proposal, when fire door opens and closes progress circumferential movement, drive rod can drive mounting table straight Line side's upward sliding, to realize movement of the mounting table inside and outside burner hearth.

The utility model is further arranged to: the fire door, which is equipped with, can store the transmission in fire door closure The placing groove of bar.

By using above-mentioned technical proposal, when fire door is closed, since drive rod is parallel fitting fire door at this time, setting is put Drive rod is integrally located in the placing groove on fire door after setting slot, does not influence to be also not take up the space inside burner hearth.

The utility model is further arranged to: the limits device includes the cylinder body being fixedly connected with the fixed plate, Elastic piston structure is equipped in the cylinder body, the elastic piston structure is fixedly connected with the mounting table.

By using above-mentioned technical proposal, since elastic piston structure has buffering course, moving process speed when moving Degree is more stable, to realize that the mounting table connecting with elastic piston structure can keep sliding compared with stabilized speed when being driven sliding It moves.

The utility model is further arranged to: the elastic piston structure includes being successively set on one end of cylinder interior Spring, the piston being fixedly connected with the spring, the catch bar being fixedly connected with the piston, the catch bar are pierced by the cylinder Body is simultaneously fixedly attached to the mounting table.

By using above-mentioned technical proposal, the catch bar when mounting table sliding with mounting table connection will be with piston rigid It is mobile in vivo, while spring being pulled to generate deformation, to realize preliminary buffering course of the mounting table in moving process.

The utility model is further arranged to: the cylinder is filled with hydraulic oil, and offering on the piston only allows Hydraulic oil flows to the first check valve of the spring side from the catch bar side, and connection institute is offered in the inboard wall of cylinder block The interface channel in piston two sides space is stated, being equipped in the interface channel only allows hydraulic oil from described in the flow direction of the spring side The second one-way valve of catch bar side.

By using above-mentioned technical proposal, is generated in deformation process in spring or band piston is mobile in deformation reseting procedure While its speed will be limited by the mobility status of hydraulic oil in cylinder body, realize when telescopic spring is mobile with more stable speed Degree, so that it is mobile to achieve the effect that mounting table is stablized.

The utility model is further arranged to: the fixed plate level is fixedly connected on the side wall of the burner hearth, institute The mounting groove for offering in fixed plate and penetrating through the fixed plate upper and lower surface is stated, mounting groove opposition two sidewalls offer slideway (16), the both ends of the mounting table are slidably mounted in the slideway.

It by using above-mentioned technical proposal, slide mounting table can in fixed plate, so as to stretch out burner hearth.

The utility model is further arranged to: the cross section of slideway and the mounting table are placed in the end in the slideway Section is set as dovetail shaped structure.

By using above-mentioned technical proposal, shaking will not be generated when sliding mounting table in slideway.

The utility model is further arranged to: the mounting table and the fixed plate are equipped with for limiting the placement Platform can not skid off the locating part of the fixed plate, and the locating part includes the convex block being installed on mounting table and is installed in fixation The second convex block on plate, the convex block can be abutted with the second convex block when the mounting table slides.

By using above-mentioned technical proposal, make mounting table that can not fully slide out burner hearth in slipping, avoids putting Set falling for platform.

In conclusion the utility model has the following beneficial effects:

1. mounting table can be driven to skid off or slide into burner hearth while opening and closing fire door, realize in burner hearth outer samples setting-out.

2. can guarantee that mounting table is mobile with more stable speed, guarantees the sample on mounting table during driving mounting table In the case where the unexpected fire door of drive energetically sliding, which will not occur, for product topples over, and influences experiment and is normally carried out.

Detailed description of the invention

Fig. 1 is chamber type electric resistance furnace isometric views；

Fig. 2 is the chamber structure figure for not installing mounting table；

Fig. 3 is the chamber structure figure installed after mounting table；

Fig. 4 is the isometric views after resistance furnace oven door opening；

Fig. 5 is part A enlarged drawing in Fig. 4；

Fig. 6 is elastic piston cross-sectional view of the structure.

Appended drawing reference: 1, furnace body；2, program controller；3, burner hearth；4, furnace lining；5, fire door；6, rotation axis；7, horizontal brace rod； 8, cursor；9, bar is grasped；10, fastener；11, lever；12, fixed plate；13, mounting table；14, translot；15, mounting groove；16, Slideway；17, sliding block；18, convex block；19, the second convex block；20, drive rod；21, placing groove；22, rotation hole；23, fixing piece；24, Cylinder body；25, spring；26, piston；27, catch bar；28, the first check valve；29, interface channel；30, second one-way valve.

Specific embodiment

Below with reference to examples and drawings, the utility model is described in further detail, but the implementation of the utility model Mode is not limited only to this.

A kind of chamber type electric resistance furnace, referring to Fig. 1, including in a rectangular parallelepiped shape furnace body 1 and the program controller that is mounted on 1 side of furnace body 2。

Referring to fig. 2, the inside of furnace body 1 offers the burner hearth 3 of hollow structure, and a wherein vertical side for burner hearth 3 is connection Opening outside furnace body 1, the remaining inner wall of furnace body 1 cover the furnace lining 4 for being equipped with and being formed by heat-resistant insulation material, on furnace lining 4 It is then installed with the heating element (not shown) for carrying out heat temperature raising to 3 space of burner hearth, heating element (does not show in figure It is connected out) with program controller 2.

Referring to Fig. 1, the outside that burner hearth 3 is open be equipped with can enclosing cover close the fire door 5 that burner hearth 3 is open, fire door 5 and furnace body 1 it Between be equipped with the rotation axis 6 that is rotatably connected on furnace body 1, rotation axis 6 is located on furnace body 1 of the fire door 5 wherein by a upright side walls, The top surface of fire door 5 and bottom surface are equipped with horizontal brace rod 7, and one end of connecting rod is fixedly connected with rotation axis 6, second end then with furnace The top surface or bottom surface of door 5 are fixedly connected, and make fire door 5 that can realize the opening and closing being open to burner hearth 3 into rotation around rotation axis 6.

The grip part that fire door is opened and closed for people is equipped on fire door, grip part includes two horizontally disposed grasping bars 9 and two Root is rotatably connected on the cursor 8 of fire door two sides, and the both ends for grasping bar 9 are respectively fixedly connected on two cursors 8 and two It grasps and is installed with the gap for facilitating grasping between bar 9.

The fastener 10 that can engage cursor 8, card are equipped with the furnace body 1 of the fixed position side of fire door 5 positioned at cursor 8 The perpendicular hook formation being fixed on furnace body 1 of component 10, while the cursor 8 for being located remotely from rotation axis 6 is equipped with corresponding hook The lever 11 of shape fastener 10, when fire door 5, which is located at lid, closes the position that burner hearth 3 is open, the lever 11 on cursor 8 can go to hook In shape fastener 10, at this time in the case where lifting does not grasp the drive rotation of cursor 8 of bar 9 upwards, the rotation of fire door 5 is limited System makes fire door 5 that lid can be kept to close burner hearth 3, and when needing to rotate, can be lifted grasping bar 9 makes lever 11 be detached from fastener 10, and draws The dynamic bar 9 that grasps is rotatable stove door 5.

When due to using chamber type electric resistance furnace under such configuration, need artificially to wear protection during carrying out setting-out sampling Tool is protruded into burner hearth 3 using furniture and is placed or picked up, and there is the possibility of collision for the internal mechanism of furnace body 1, special Be not in sampling process in burner hearth 3 in the condition of high temperature, sampling process need it is careful with caution, for allow to it is more convenient into Row setting-out and sampling are provided in burner hearth 3 and are fixedly connected on the fixed plate 12 of 3 side wall of burner hearth and are slidably connected at fixed plate Mounting table 13 on 12.

Referring to fig. 2 with Fig. 3, horizontal be equipped with is in mutually level translot 14 in a pair of of upright side walls of burner hearth 3, fixed The both ends of plate 12 are then in grafting translot 14.The mounting groove of perforation 12 upper and lower surface of fixed plate is then equipped at the middle part of fixed plate 12 15, and mounting groove 15 is opening setting close to the side that burner hearth 3 is open, i.e. mounting groove 15 is open from fixed plate 12 close to burner hearth 3 Edge inwardly open up.Level offers slideway in two upright side walls in face that are wherein open in mounting groove 15 perpendicular to burner hearth 3 16, the section of slideway 16 is in dovetail shaped.Mounting table 13 is located in mounting groove 15, is equipped in the two sides of mounting table 13 with slideway 16 Corresponding sliding block 17, the section of sliding block 17 are in the dovetail shaped matched with slideway 16；It is located on 13 upper surface of mounting table simultaneously and sets There is the convex block 18 of inverted " L " shape, convex block 18 is located at the side that 13 upper surface of mounting table is open far from burner hearth 3, and wherein convex block 18 is perpendicular It is partially directly higher by 12 surface of fixed plate, horizontal component laterally extends to the top of 12 upper surface of fixed plate, in 12 upper surface of fixed plate The second convex block 19 that can keep out convex block 18 is equipped at the side that burner hearth 3 is open, by the cooperation of the second convex block 19 so that putting Slideway 16 can not be fully slid out while setting 13 extended burner hearth 3 of platform.

Referring to fig. 4, Fig. 5, to make fire door 5 placement block can be driven to skid off or slide into burner hearth 3 while folding, in mounting table Drive rod 20 is equipped between 13 and fire door 5.Drive rod 20 is opened up in " work " shape structure and in the two sides up and down at 20 both ends of drive rod There is the rotation hole 22 on the same straight line, while being located at mounting table 13 in the upright side walls that burner hearth 3 is open and fire door 5 On the side wall of mounting table 13, it is vertically installed with the fixing piece 23 for being rotatablely connected with drive rod 20, fixing piece 23 is same In horizontal "T"-shaped when mounting table 13 is connect with fire door 5, the vertical end for being located remote from platform 13 or fire door 5 passes through drive rod The rotation hole 22 of about 20 two sides, to realize 20 both ends of drive rod with the rotation connection of mounting table 13 and fire door 5.To make to be driven Bar 20 is not take up the inner space of burner hearth 3, and horizontal placing groove 21, and the fixing piece being mounted on fire door 5 are equipped on fire door 5 23 are located at one end of placing groove 21, and when fire door 5 is in lid conjunction state, the fixing piece 23 being mounted on mounting table 13 will position In in the second end of placing groove 21, make drive rod 20 it is whole it is horizontal in placing groove 21.When pulling open fire door 5 and turn an angle Afterwards, fire door 5 drives drive rod 20 and pulls out mounting table 13 from fixed plate 12 to stretch out burner hearth 3 therewith.

Referring to Fig. 3, scatter to prevent the sample when fire door 5 opens and closes fast speed on mounting table 13 from rolling under effect of inertia Come, the limits device for limiting 13 movement speed of mounting table is equipped between fixed plate 12 and mounting table 13.Limits device packet Include the elastic piston structure inside the cuboid dress cylinder body 24 and cylinder body 24 in hollow setting.

Referring to Fig. 6, cylinder body 24 is installed in the lower surface of fixed plate 12 along the direction that vertical burner hearth 3 is open and part extends to and puts Set the lower section of platform 13.Elastic piston structure in cylinder body 24 includes being fixedly connected on 24 one end of cylinder body along 24 length direction of cylinder body Spring 25, the piston 26 being fixedly connected with spring 25 and the catch bar 27 being fixedly connected with piston 26, catch bar 27 are pierced by cylinder Body 24 and after being pierced by cylinder body 24 change direction connect up to the bottom of mounting table 13.

The first check valve 28 is offered filled with a certain amount of hydraulic oil in cylinder body 24, while on piston 26, first is unidirectional Valve 28 only allows the hydraulic oil positioned at 27 surrounding space of catch bar to flow to the other side of piston 26, i.e. 25 side of spring, makes to push Bar 27 with 26 extension spring 25 of piston when, the hydraulic oil of 27 side of catch bar can flow to spring by the first check valve 28 25 sides.To make piston 26 can be reset movement, offered in the inner wall of cylinder body 24 in connection 26 two sides cylinder body 24 of piston The interface channel 29 of chamber, while second one-way valve 30 is equipped in interface channel 29, second one-way valve 30 only allows to be located at spring 25 The hydraulic oil of side is circulated to 27 side of catch bar, when pushing catch bar 27 to 25 end motion of spring or spring 25 due to from figure Become reset drive catch bar 27 in move when, the hydraulic oil of 25 side of spring can be flow to by interface channel 29 27 side of catch bar with This guarantees that the identical movement for making catch bar 27 of 26 pressure at both sides of piston can be normally carried out.

Due to the setting of the first check valve 28 and second one-way valve 30, turn the hydraulic oil in cylinder body 24 in 26 two sides of piston Rate-constrained when shifting is realized and is connect with catch bar 27 to can realize that catch bar 27 can not be pulled out or be bounced back with fast speed Mounting table 13 can not quickly be slid in glide direction, ensure that the sample on mounting table 13 can stablize be sent into burner hearth 3 in Or mounting table 13 is followed to pull out out of burner hearth 3.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of chamber type electric resistance furnace, including furnace body (1), the interior burner hearth (3) for being equipped with a side opening of the furnace body (1), the burner hearth (3) opening is externally provided with a fire door (5) being rotatably connected on the furnace body (1), it is characterised in that: solid in the burner hearth (3) Equipped with fixed plate (12), the mounting table (13) for setting-out, the mounting table (13) are slidably fitted in the fixed plate (12) The drive component that the mounting table (13) can be driven to slide when opening and closing fire door (5) is equipped between the fire door (5), it is described The limits device for limiting mounting table (13) sliding velocity is equipped between mounting table (13) and the fixed plate (12).

2. a kind of chamber type electric resistance furnace according to claim 1, it is characterised in that: the drive component includes fixed respectively connects Connect the mounting table (13) on the fire door (5) fixing piece (23) and both ends be rotatably connected on respectively it is described two solid Determine the drive rod (20) on part (23).

3. a kind of chamber type electric resistance furnace according to claim 2, it is characterised in that: the fixing piece (23) is in horizontal " T " Shape structure, the drive rod (20) structure of a lateral H shape, drive rod (20) both ends are opened on the two sides bodies of rod outstanding up and down Equipped with the rotation hole (22) on same straight line, upper and lower ends rotation connection and the rotation hole of the fixing piece (23) (22) in.

4. a kind of chamber type electric resistance furnace according to claim 3, it is characterised in that: the fire door (5) is equipped in the furnace The placing groove (21) of the drive rod (20) can be stored when door (5) closure.

5. a kind of chamber type electric resistance furnace according to claim 4, it is characterised in that: the limits device includes with the fixation The cylinder body (24) that plate (12) is fixedly connected, the cylinder body (24) is interior to be equipped with elastic piston structure, the same institute of elastic piston structure Mounting table (13) is stated to be fixedly connected.

6. a kind of chamber type electric resistance furnace according to claim 5, it is characterised in that: the elastic piston structure includes successively setting It sets in the internal one end spring (25) of cylinder body (24), the piston (26) being fixedly connected with the spring (25), with the piston (26) catch bar (27) being fixedly connected, the catch bar (27) are pierced by the cylinder body (24) and are fixedly attached to the mounting table (13)。

7. a kind of chamber type electric resistance furnace according to claim 6, it is characterised in that: filled with hydraulic oil in the cylinder body (24), Offering on the piston (26) only allows hydraulic oil to flow to the of the spring (25) side from the catch bar (27) side One check valve (28) offers the interface channel (29) for being connected to piston (26) the two sides space in cylinder body (24) inner wall, Being equipped in the interface channel (29) only allows hydraulic oil to flow to the catch bar (27) side from the spring (25) side Second one-way valve (30).

8. a kind of chamber type electric resistance furnace according to claim 1, it is characterised in that: fixed plate (12) level is fixedly connected In on the side wall of the burner hearth (3), offering the installation for penetrating through fixed plate (12) upper and lower surface on the fixed plate (12) Slot (15), mounting groove (15) opposition two sidewalls offer slideway (16), and the both ends of the mounting table (13) are slidably mounted on In the slideway (16).

9. a kind of chamber type electric resistance furnace according to claim 8, it is characterised in that: slideway (16) section and the placement The end cross-sectional that platform (13) is placed in the slideway (16) is set as dovetail shaped structure.

10. a kind of chamber type electric resistance furnace according to claim 9, it is characterised in that: the mounting table (13) and the fixation Plate (12), which is equipped with, can not skid off the locating part of the fixed plate (12), the locating part for limiting the mounting table (13) Including the convex block (18) being installed on mounting table (13) and the second convex block (19) being installed on fixed plate (12), the convex block (18) it can be abutted with the second convex block (19) when the mounting table (13) are slided.