CN210718653U

CN210718653U - Resistance furnace of convenient sample

Info

Publication number: CN210718653U
Application number: CN201921270150.9U
Authority: CN
Inventors: 吕世进; 李坤
Original assignee: Tianjin Haide Runzi Building Material Co ltd
Current assignee: Tianjin Haide Runzi Building Material Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-06-09
Anticipated expiration: 2029-08-07

Abstract

The utility model relates to a bake out furnace technical field, in particular to resistance furnace of convenient sample, including furnace body and furnace gate, resistance furnace still includes rotating device, and rotating device includes first rotation subassembly, and first rotation subassembly is connected between the vertical border and the vertical lateral wall of furnace gate of fire door one side, and first rotation subassembly includes fixed part, dwang and bracing piece, and the fixed part is fixed to be set up on the furnace body outer wall of fire door place and be located fire door one side, and the dwang includes rotation portion, connecting portion and the L shape portion of a body coupling in proper order. The utility model discloses a staff is difficult for touching the higher furnace door inner wall of temperature, causing the condition of scald when the sample.

Description

Resistance furnace of convenient sample

Technical Field

The utility model relates to a bake out furnace technical field, in particular to resistance furnace of convenient sample.

Background

The aerated block is a novel light porous building material widely applied in the current market, and is a light porous silicate product prepared by taking siliceous materials (sand, fly ash, silicon-containing tailings and the like) and calcareous materials (lime, cement) as main raw materials, adding an air forming agent (aluminum powder), and carrying out the processes of proportioning, stirring, pouring, pre-curing, cutting, autoclaving, curing and the like. Before the steam-pressing process, in order to ensure that the air-adding block achieves the optimal performance, the performance of an air-adding block sample at different heating temperatures needs to be tested firstly, after the temperature for enabling the test block to achieve the optimal performance is recorded, the air-adding block produced in batch is placed into the steam-pressing furnace, and the temperature in the steam-pressing furnace is adjusted to the recorded optimal temperature value.

The conventional device for heating the aerated block sample is a resistance furnace, the resistance furnace utilizes current to heat an electric heating element or a heating medium in the furnace, the resistance furnace utilizes the current to pass through a resistance material to generate heat energy, and the resistance furnace is widely applied to production and experiments in the fields of special materials, building materials and the like. Resistance furnace among the prior art includes furnace body and furnace gate, one side opening of furnace body, and the furnace gate is located the opening side of furnace body to the furnace gate is articulated through vertical axle and furnace body, can close the opening part lid of furnace body after rotating the furnace gate, is convenient for heat the test piece of placing in the furnace body and toasts.

The defects of the prior art are that workers easily touch the inner wall of the oven door when taking samples, so that scalding is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a resistance furnace of convenient sample has realized the function that is difficult by the scald when the staff opens the furnace gate sample.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a resistance furnace of convenient sample, including furnace body and furnace gate, resistance furnace still includes rotating device, rotating device includes first rotation subassembly, first rotation subassembly is connected between the vertical border and the furnace gate vertical side wall of furnace gate one side, first rotation subassembly includes fixed part, dwang and bracing piece, the fixed part is fixed to be set up on the furnace body outer wall of furnace gate place and is located furnace gate one side, the dwang includes rotation portion, connecting portion and the L shape portion that connect gradually an organic whole, the L shape portion is the L shape metal pole, connecting portion level sets up and is connected with the fixed part rotation, rotation portion and the both ends of connecting portion are connected to L shape portion connecting portion fixed connection, the L shape portion inserts the furnace gate lateral wall and the furnace gate lateral wall rotates and connects; one end of the supporting rod is hinged with the side wall of the furnace door through a horizontal hinge shaft, the other end of the supporting rod is hinged with the outer wall of the furnace body below the furnace door through a horizontal hinge shaft, the L-shaped part and the supporting rod are both connected onto the side wall of one side of the furnace door, the L-shaped part is connected to the upper end of the side wall of the furnace door, and the supporting rod is connected to the lower end of.

Through adopting above-mentioned technical scheme, when the furnace gate is in the closure state when heating the sample piece, when needs open the furnace gate, use the fixed part as the strong point along clockwise rotation portion, rotation portion passes through connecting portion and drives L shape portion and rotate, the bracing piece drives the furnace gate lower extreme and rotates to the direction of keeping away from the fire door simultaneously, make the furnace gate take place the upset under the drive of connecting portion and bracing piece, when the furnace gate rotates to the horizontal direction, furnace body outer wall butt and the furnace gate inner wall of furnace gate below furnace gate upper end and fire door lower extreme set up downwards, consequently, the staff can not contact the inner wall of furnace gate and only can contact the outer wall of furnace gate when the sample, consequently, the staff has been realized the higher furnace gate inner wall of difficult contact temperature when the sample, cause the condition of scald.

The utility model discloses further set up to: the resistance furnace comprises a sealing device, the sealing device comprises a buckle, a clamping groove and a fixing buckle, the buckle is connected to two ends of the edge of the outer wall of the furnace door, the buckle is hinged to the outer wall of the furnace door through a horizontal hinged shaft, the clamping groove is fixedly connected above the upper edge of the furnace opening, and the fixing buckle is fixedly connected to the outer wall of the furnace door and used for fixing the buckle.

Through adopting above-mentioned technical scheme, when the furnace gate inner wall butt in furnace mouth department, rotate the buckle and make the buckle joint in the draw-in groove, make the furnace gate support under the pulling force effect of buckle tightly in furnace mouth department, realized making the furnace gate further sealed function with the furnace mouth.

The utility model discloses further set up to: the fixing buckle comprises a supporting block and a clamping rod, the supporting block is perpendicular to the outer wall of the furnace door, and the clamping rod is hinged to the supporting block through a horizontal hinged shaft.

Through adopting above-mentioned technical scheme, rotate the buckle to fixed knot department, rotate joint pole and make joint pole and buckle butt to make the buckle fixed on the furnace gate outer wall under the butt effect of joint pole, and then realized fixing the function on the furnace gate outer wall with the buckle through fixed the knot, reached and avoided the furnace gate buckle when rotating to rotate and with the function that the furnace gate outer wall bumps therewith.

The utility model discloses further set up to: the outer wall of the furnace door is additionally provided with a heat insulation layer.

Through adopting above-mentioned technical scheme, prevent that the staff from leading to the fact the scald when contacting the furnace gate outer wall because the furnace gate high temperature.

The utility model discloses further set up to: the resistance furnace comprises a test frame, and the test frame is placed on the bottom surface of the inner side of the furnace body.

Through adopting above-mentioned technical scheme, the sample piece is placed on the test jig for sample piece bottom needn't direct and furnace body bottom plate contact, can not make the sample piece bigger with the bottom surface heat intensity of furnace body bottom plate contact, thereby makes the sample piece global uneven being heated.

The utility model discloses further set up to: the test jig comprises a first ring, a second ring, a connecting rod and a positioning rod, wherein the first ring is located above the second ring, the first ring is parallel to and coaxial with the second ring, the diameter of the first ring is larger than that of the second ring, the first ring and the second ring are fixedly connected through the connecting rod, one end of the connecting rod is fixedly connected with the second ring, the other end of the connecting rod is fixedly connected with the first ring from bottom to top in the direction away from the second ring, and the connecting rod is multiple in arrangement. The locating lever fixed connection is on the second ring circumference, and the locating lever top-down sets up and sets up a plurality ofly to keeping away from the direction slope of second ring.

Through adopting above-mentioned technical scheme, pass first ring with the sample piece and take and put on the second ring, then put the test jig into the furnace body on the bottom surface, because the sample piece is placed on the second ring and not with furnace body inner wall direct contact, consequently realized making the global even heating's of sample piece function.

The utility model discloses further set up to: the resistance furnace comprises a sampling device, wherein the sampling device is a clamping clamp, and the clamping clamp is hung on the side wall of the furnace body.

Through adopting above-mentioned technical scheme, press from both sides the nimble operation of just being convenient for of pincers, make things convenient for the manual sample of staff, press from both sides the pincers moreover and hang when not needing to use and establish on the furnace body lateral wall, realized the function of convenient storage.

The utility model discloses further set up to: the jaw of the clamping pincers adopts an arc-shaped structure.

Through adopting above-mentioned technical scheme, the arc structure has increased the area of contact of keeping silent with the sample piece for the sample piece is more with the contact surface of keeping silent, makes things convenient for the staff to press from both sides and gets the sample piece.

To sum up, the utility model discloses following technological effect has:

1. by adopting the structure that the furnace door is matched with the rotating device, the furnace door is turned over by the rotating rod and the supporting rod, and the inner wall of the furnace door faces the ground, so that the function of preventing workers from contacting the inner wall of the furnace door with higher temperature when sampling sample blocks is realized;

2. by adopting the structure of the test frame, the function of uniformly heating the circumferential surface of the sample block in the heating process of the resistance furnace is realized;

3. through the structure that adopts buckle and draw-in groove, realized supporting the furnace gate tightly in fire door department to with the further sealed function of fire door.

Drawings

FIG. 1 is a three-dimensional schematic view of the present embodiment when the oven door is closed;

FIG. 2 is a three-dimensional schematic view of the present embodiment when the oven door is opened;

FIG. 3 is an enlarged schematic view of detail A of FIG. 1;

fig. 4 is an enlarged schematic view of a portion B of fig. 1.

In the figure, 1, a furnace body; 11. a heating chamber; 2. a rotating device; 21. a first rotating assembly; 211. rotating the rod; 2111. a rotating part; 2112. a connecting portion; 2113. an L-shaped portion; 212. a fixed part; 213. a support bar; 22. a second rotating assembly; 3. a sealing device; 31. buckling; 311. a fixed block; 312. a plug rod; 32. a card slot; 33. a fixing buckle; 331. a support block; 332. a clamping and connecting rod; 4. a furnace door; 5. a test jig; 51. a first circular ring; 52. a second circular ring; 53. positioning a rod; 54. a connecting rod; 6. a sampling device.

Detailed Description

As shown in fig. 1 and 2, the utility model provides a resistance furnace of convenient sample, which comprises a furnace body 1, furnace gate 4, rotating device 2, sealing device 3 and sampling device 6, furnace body 1 has seted up inside heating chamber 11, heating chamber 11 one side is provided with the opening and the opening side is the fire door, rotating device 2 is connected between furnace body 1 and furnace gate 4, it makes furnace gate 4 seal the fire door 4 through rotating device 2 drive fire door 4 rotation during the heating, rotating device 2 drives furnace gate 4 and keeps away from the fire door and make furnace gate 4 inner wall towards ground during the sample, sealing device 3 connects between furnace gate 4 and furnace body 1, when furnace gate 4 seals the fire door, sealing device 3 is used for sealing up furnace gate 4 on furnace body 1, sampling device 6 hangs and establishes at furnace body 1 lateral wall, a sample piece for taking out in the furnace body 1.

As shown in fig. 1 and 2, the rotating device 2 includes a first rotating assembly 21 and a second rotating assembly 22, the first rotating assembly 21 and the second rotating assembly 22 are symmetrically disposed at two sides of the furnace opening, the first rotating assembly 21 is connected between a vertical edge of one side of the furnace opening and a vertical side wall of the furnace door 4, the first rotating assembly 21 includes a fixing portion 212, a rotating rod 211 and a support rod 213, the fixing portion 212 is fixedly disposed on an outer wall of the furnace body 1 where the furnace opening is located and located at one side of the furnace opening, the rotating rod 211 includes a rotating portion 2111, a connecting portion 2112 and an L-shaped portion 2113 which are integrally connected in sequence, the connecting portion 2112 is a straight metal rod, the L-shaped portion 2113 is an L-shaped metal rod, the connecting portion 2112 is horizontally disposed and rotatably connected with the fixing portion 212, the connecting portions 2112 of the rotating portion 2111 and the L-shaped portion 2113 are fixedly connected at two ends of the connecting portion 2112, the L-shaped portion 211, the arc direction of the support rod 213 is concave to the furnace mouth, one end of the support rod 213 is hinged with the side wall of the furnace door 4 through a horizontal hinge shaft, the other end of the support rod 213 is hinged with the outer wall of the furnace body 1 below the furnace door 4 through a horizontal hinge shaft, the L-shaped part 2113 and the support rod 213 are both connected on the side wall of one side of the furnace door 4, the L-shaped part 2113 is connected at the upper end of the side wall of the furnace door 4, and the support rod 213 is.

FIG. 1 is a state of the door 4 being closed, when the door 4 needs to be opened, the rotating portion 2111 is rotated clockwise by using the fixing portion 212 as a supporting point, the rotating portion 2111 drives the L-shaped portion 2113 to rotate through the connecting portion 2112, and the supporting rod 213 drives the lower end of the door 4 to rotate in a direction away from the door, because the second rotating component 22 and the first rotating component 21 move synchronously, the door 4 is turned over under the driving of the connecting portion 2112 and the supporting rod 213, when the door 4 rotates to the horizontal direction, the upper end of the door 4 abuts against the outer wall of the furnace body 1 below the door, and the inner wall of the door 4 is arranged downward, FIG. 2 is a state diagram of the door 4 being opened, because the outer wall of the door 4 is arranged upward, a worker does not contact the inner wall of the door 4 but only contacts the outer wall of the door 4 during sampling, thereby preventing the worker from contacting the inner wall of the door 4 with a higher temperature during sampling, Causing a scalding situation. The outer wall of the furnace door 4 is additionally provided with a heat insulation layer which is a composite aluminum-plastic plate, and the heat insulation layer can prevent workers from being scalded due to overhigh temperature of the furnace door 4 when the workers contact the outer wall of the furnace door 4.

As shown in fig. 3, the sealing device 3 includes a buckle 31 and a slot 32, the buckle 31 includes a fixing block 311 and an insertion rod 312, the fixing block 311 is fixedly connected to two ends of the upper edge of the outer wall of the oven door 4, the insertion rod 312 is hinged to the fixing block 311 through a horizontal hinge shaft, the slot 32 is a metal ring, and the slot 32 is fixedly connected to the outer wall of the oven body 1 where the oven opening is located and located above the oven opening. When sealing the furnace door 4 at the furnace mouth through the rotating device 2, the inserting rod 312 is rotated and the inserting rod 312 is clamped in the clamping groove 32, so that the furnace door 4 is abutted against the furnace mouth through the pulling force of the clamp 31, and the function of further sealing the furnace mouth through the furnace door 4 to achieve a better heating effect is realized.

As shown in fig. 4, during sampling, the rotating portion 2111 needs to be rotated to make the inner wall of the oven door 4 away from the oven opening, the rotating portion 2111 drives the oven door 4 to rotate through the L-shaped portion 2113, in order to prevent the buckle 31 on the oven door 4 from colliding with the outer wall of the oven door 4 while rotating along with the oven door 4 and causing damage to the outer wall of the oven door 4, a fixing buckle 33 is fixedly arranged on the outer wall of the oven door 4, the fixing buckle 33 comprises a supporting block 331 and a clamping rod 332, the supporting block 331 is arranged perpendicular to the outer wall of the oven door 4, and the clamping rod 332 is hinged to the supporting. When the furnace door 4 needs to be rotated to be far away from the furnace opening, the insertion rod 312 is taken out of the clamping groove 32, then the insertion rod 312 is rotated to the fixing buckle 33, the clamping rod 332 is rotated to enable the clamping rod 332 to be abutted against the insertion rod 312, so that the insertion rod 312 is fixed on the outer wall of the furnace door 4 under the abutting action of the clamping rod 332, the function of fixing the buckle 31 on the outer wall of the furnace door 4 through the fixing buckle 33 is further realized, and the function of preventing the furnace door 4 from rotating along with the buckle 31 and colliding with the outer wall of the furnace door 4 when the furnace door 4 rotates is achieved.

As shown in figure 1, the sampling device 6 is a clamping clamp which is hung on the side wall of the furnace body 1. The clamping tongs are flexible and convenient to operate, manual sampling of workers is facilitated, the clamping tongs are hung on the side wall of the furnace body 1 when not needed to be used, and the function of convenient storage is achieved. The clamping jaw of the clamping jaw preferably adopts an arc-shaped structure, and the arc-shaped structure increases the contact area between the clamping jaw and the sample block, so that the contact surface between the sample block and the clamping jaw is more, and the sample block can be conveniently clamped by a worker.

As shown in figure 2, when the sample block is heated in the resistance furnace, the sample block is placed on the bottom plate in the furnace, then the resistance furnace heats the sample block when the temperature rises, because the bottom surface of the sample block is directly contacted with the inner wall of the furnace, and other sides conduct heat through high-temperature air, the bottom surface of the sample block is heated differently with other sides, the condition that the sample block is heated unevenly is caused, therefore, the test frame 5 is additionally arranged in the resistance furnace, the sample block is placed on the test frame 5, and the circumferential surface of the sample block is heated evenly. The test jig 5 comprises a first ring 51, a second ring 52, a connecting rod 54 and a positioning rod 53, wherein the first ring 51 is positioned above the second ring 52, the first ring 51 and the second ring 52 are parallel and coaxially arranged, the diameter of the first ring 51 is larger than that of the second ring 52, the first ring 51 and the second ring 52 are fixedly connected through the connecting rod 54, one end of the connecting rod 54 is fixedly connected with the second ring 52, the other end of the connecting rod 54 is fixedly connected with the first ring 51 from bottom to top in the direction away from the second ring 52, and the connecting rods 54 are multiple; the positioning rods 53 are fixedly connected to the circumference of the second ring 52, and a plurality of positioning rods 53 are arranged in an inclined manner from the top to the bottom in a direction away from the second ring 52. The sample block is placed on the second circular ring 52 through the first circular ring 51, then the test jig 5 is placed on the bottom surface in the furnace body 1, and the sample block is placed on the second circular ring 52 and is not in direct contact with the inner wall of the furnace body 1, so that the function of uniformly heating the peripheral surface of the sample block is realized.

The working principle of the embodiment is as follows:

when the sample block is heated, the sample block passes through the first circular ring 51 and is placed on the second circular ring 52, then the test rack 5 is placed on the bottom surface in the furnace body 1, and as the sample block is placed on the second circular ring 52, the furnace door 4 is in a closed state, then the insertion rod 312 is inserted and the insertion rod 312 is clamped in the clamping groove 32, so that the furnace door 4 is tightly propped against the furnace mouth through the tensile force of the clamp 31; when the sample block needs to be taken out, the rotating part 2111 is arranged along the horizontal direction to the direction close to the furnace mouth, and the L-shaped part 2113 is arranged upwards along the vertical direction; when the oven door 4 needs to be opened, the rotating part 2111 is rotated clockwise by taking the fixing part 212 as a supporting point, the rotating part 2111 drives the L-shaped part 2113 to rotate through the connecting part 2112, meanwhile, the supporting rod 213 drives the lower end of the oven door 4 to rotate towards a direction far away from the oven opening, due to the synchronous movement of the second rotating assembly 22 and the first rotating assembly 21, the oven door 4 is overturned under the driving of the connecting portion 2112 and the supporting rod 213, when the furnace door 4 rotates to the horizontal direction, the upper end of the furnace door 4 is abutted against the outer wall of the furnace body 1 below the furnace opening, and the inner wall of the furnace door 4 is arranged downwards, because the outer wall of the furnace door 4 is arranged upwards, the staff can not contact the inner wall of the furnace door 4 but only contact the outer wall of the furnace door 4 when sampling, and then the staff contacts the higher furnace door 4 inner wall of temperature, causes the condition of scald, takes out test jig 5 through pressing from both sides tight pincers afterwards to the function of taking out the sample piece has been realized.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a resistance furnace of convenient sample, including furnace body (1) and furnace gate (4), a serial communication port, resistance furnace still includes rotating device (2), rotating device (2) include first rotation subassembly (21), first rotation subassembly (21) are connected between the vertical border and the vertical lateral wall of furnace gate (4) of fire door one side, first rotation subassembly (21) include fixed part (212), dwang (211) and bracing piece (213), fixed part (212) are fixed to be set up on fire door place furnace body (1) outer wall and are located fire door one side, dwang (211) are including rotation portion (2111) of body coupling in proper order, connecting portion (2112) and L shape portion (2113), L shape portion (2113) are L shape metal pole, connecting portion (2112) level sets up and rotate with fixed part (212) and be connected, rotation portion (2111) and L shape portion (2113) connecting portion (2112) fixed connection are at the both ends of connecting portion (2112), the L-shaped part (2113) is inserted into the side wall of the oven door (4) and the side wall of the oven door (4) is rotationally connected; one end of a supporting rod (213) is hinged with the side wall of the furnace door (4) through a horizontal hinge shaft, the other end of the supporting rod is hinged with the outer wall of the furnace body (1) below the furnace door (4) through the horizontal hinge shaft, an L-shaped part (2113) and the supporting rod (213) are both connected to the side wall of one side of the furnace door (4), the L-shaped part (2113) is connected to the upper end of the side wall of the furnace door (4), and the supporting rod (213) is connected to the lower end of the side wall of the furnace.

2. The electric resistance furnace convenient for sampling according to claim 1, which comprises a sealing device (3), wherein the sealing device (3) comprises a buckle (31), a clamping groove (32) and a fixing buckle (33), the buckle (31) is connected to two ends of the upper edge of the outer wall of the furnace door (4), the buckle (31) is hinged to the outer wall of the furnace door (4) through a horizontal hinge shaft, the clamping groove (32) is fixedly connected above the upper edge of the furnace mouth, and the fixing buckle (33) is fixedly connected to the outer wall of the furnace door (4) and used for fixing the buckle (31).

3. The electric resistance furnace convenient for sampling according to claim 2, wherein the fixing buckle (33) comprises a supporting block (331) and a clamping rod (332), the supporting block (331) is arranged perpendicular to the outer wall of the furnace door (4), and the clamping rod (332) is hinged with the supporting block (331) through a horizontal hinge shaft.

4. The electric resistance furnace convenient for sampling according to claim 1, characterized in that the outer wall of the furnace door (4) is added with a thermal insulation layer.

5. The resistance furnace convenient for sampling according to claim 1, characterized in that the resistance furnace comprises a test frame (5), and the test frame (5) is placed on the bottom surface of the inner side of the furnace body (1).

6. A resistance furnace for facilitating sampling according to claim 5, wherein the test frame (5) comprises a first circular ring (51), a second circular ring (52), connecting rod (54) and locating lever (53), first ring (51) are located second ring (52) top, first ring (51) are parallel and coaxial setting with second ring (52), the diameter of first ring (51) is greater than the diameter of second ring (52), first ring (51) pass through connecting rod (54) fixed connection with second ring (52), connecting rod (54) one end and second ring (52) fixed connection, the other end is from bottom to top to the direction of keeping away from second ring (52) and first ring (51) fixed connection, connecting rod (54) set up a plurality ofly, locating lever (53) fixed connection is on second ring (52) circumference, locating lever (53) top-down sets up and sets up a plurality ofly to the direction slope of keeping away from second ring (52).

7. The resistance furnace convenient for sampling according to claim 1, characterized in that the resistance furnace comprises a sampling device (6), the sampling device (6) is a clamping clamp, and the clamping clamp is hung on the side wall of the furnace body (1).

8. The resistance furnace of claim 7, wherein the jaws of the clamping jaws are arcuate.