CN212977050U

CN212977050U - Novel electric heating brazing furnace

Info

Publication number: CN212977050U
Application number: CN202021310850.9U
Authority: CN
Inventors: 杨晓东; 王刚; 杨云龙; 王秒
Original assignee: Anhui Polytechnic University
Current assignee: Anhui Polytechnic University
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-04-16
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a novel electrical heating brazing furnace, including brazing furnace body, the bell, bell frame and ground track, brazing furnace body top is fixed with the fixed plate, the one end that the fixed plate is close to the furnace gate is equipped with sealing mechanism, sealing mechanism is including the lead screw of interlude on the fixed plate, the slider of suit on the lead screw, fix sealed apron and the drive mechanism at slider lateral wall, drive mechanism is including fixing the drive gear on the lead screw top, fix the connecting rod on bell top and fix the drive plate on the connecting rod top, the one end evenly distributed that the connecting rod was kept away from to the drive plate has one section rack group, the utility model discloses utilize the bell frame to drive sealing mechanism through drive mechanism and remove and realize opening and shutting to the furnace gate, the weldment after will processing takes off from the weldment frame and places new weldment such in-process on the weldment frame, prevent that the heat of brazing furnace body scatters and lead to this internal temperature of brazing furnace to be less than the required temperature of weldment of Which affects the quality of the weldment.

Description

Novel electric heating brazing furnace

Technical Field

The utility model relates to and brazing furnace technical field specifically is a novel electric heating brazing furnace.

Background

The brazing furnace is a device for metal brazing and brightening, and is suitable for small and medium-sized stainless steel parts such as tableware, cutters, hardware and the like which are produced in batches. The existing brazing furnace is simple in structural design, so that the entering process of a weldment is unstable, the weldment is easy to shake and scrape, and the processing quality and the yield of the weldment are affected.

Chinese patent with publication number "CN 209349655U" discloses "a novel electric heating vacuum brazing furnace", which solves the above problems, but has the following disadvantages:

the patent provides a novel electric heating vacuum brazing furnace, which comprises a furnace body (1) and a furnace cover (2), wherein weldments are placed on a weldment frame on the furnace cover (2), when the novel electric heating vacuum brazing furnace is used and a weldment needs to be heated, the furnace cover needs to be moved to send the weldments placed on the furnace cover into a hearth (3), after heating is completed, the furnace cover (2) needs to be moved to separate the furnace cover (2) from the hearth (3), then the weldment on the furnace cover (2) is taken down, a new weldment to be heated is placed on a weldment frame (10) on the furnace cover (2), in the process of replacing the weldments, a furnace door (6) on the furnace body (1) is separated from the furnace cover (2), so that heat in the hearth (3) can be lost from the furnace door (7) to the furnace body (1) and the furnace body (1) can be easily caused when the next weldment is heated, the temperature in the hearth (3) can become low, even the temperature of the hearth can be lower than the temperature required by the weldment to be heated, and the processing quality of the weldment is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel electric heating brazing furnace is in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel electric heating brazing furnace comprises a brazing furnace body, a furnace cover frame and a ground track, wherein a heating element is arranged in a hearth of the brazing furnace body, a vacuum air exhaust device is arranged at the rear end of the brazing furnace body, a furnace door is arranged at the front end of the brazing furnace body, furnace legs are arranged at the bottom end of the brazing furnace body, the furnace legs of the brazing furnace body cross over the ground track, the direction of the ground track is consistent with that of the furnace door and the hearth, the furnace cover is arranged on the furnace cover frame, a welding part frame is arranged at the other side of the furnace cover, the furnace cover frame is arranged on the ground track in a sliding mode, a balancing weight is arranged on one side, away from the furnace cover, of the furnace cover frame, a fixing plate parallel to the ground is fixed on the outer wall of the top end of the brazing furnace body through two fixing rods, a sealing mechanism matched with the furnace door is arranged at one, and the sealing mechanism comprises a screw rod vertically inserted on the fixed plate through a bearing, a slide block sleeved on the screw rod, a sealing cover plate fixed on the side wall of the slide block and matched with the furnace door, and a transmission mechanism for driving the sealing cover plate to move vertically and downwards.

Preferably, one side that sealed apron is close to the furnace gate demountable installation has the sealing ring, and the sealing ring keeps away from one side of sealed apron and is fixed with the sealing washer, the diameter of sealing ring and sealing washer all is greater than the diameter of furnace gate, and the lateral wall of sealing washer and the sealed laminating of the lateral wall of brazing the stove body.

Preferably, the outer side wall of the end, away from the sealing ring, of the sealing ring is provided with threads, and the sealing cover plate is provided with a threaded groove matched with the sealing ring.

Preferably, the transmission mechanism comprises a driving gear fixed on the top end of the screw rod, a connecting rod fixed on the top end of the furnace cover and parallel to the screw rod, and a driving plate fixed on the top end of the connecting rod and parallel to the ground, and one end of the driving plate far away from the connecting rod is uniformly distributed with a section of rack group meshed and connected with the driving gear along the length direction of the driving plate.

Preferably, a guide sliding block is fixed at the bottom of one end, far away from the connecting rod, of the driving plate, and the guide sliding block is in sliding connection with a guide sliding groove which is formed in the upper end face of the fixing plate and is arranged along the length direction of the fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) when the furnace cover frame carries the furnace cover and the weldment frame on the furnace cover to send the weldment into the hearth for heating, the sealing mechanism for sealing the furnace door is moved away through the transmission mechanism so that the weldment frame enters the hearth and the furnace cover seals the furnace door so as to dissipate heat, and when the furnace cover frame carries the furnace cover and the weldment frame away from the hearth after heating, the furnace cover frame slides the sealing mechanism onto the furnace door through the transmission mechanism and reseals the furnace door, so that in the process of taking the processed weldment off from the weldment frame and placing a new weldment on the weldment frame, the heat dissipation of the brazing furnace body is prevented from causing the temperature in the brazing furnace body to be lower than the temperature required by the weldment to be heated so as to influence the quality of the brazed piece.

(2) The utility model discloses in, the sealing ring is kept away from and is equipped with the screw thread on the lateral wall of sealing washer one end, set up the thread groove with sealing ring looks adaptation on the sealed apron, make and adopt the threaded connection mode between sealing ring and the sealed apron, because the sealing washer on the long-term use sealing ring has the condition of wearing and tearing, at this moment, can conveniently change the sealing ring.

Drawings

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

FIG. 2 is an enlarged view of a portion of A in FIG. 1;

fig. 3 is an enlarged schematic view of a part of the structure B in fig. 1.

In the figure: 1. a brazing furnace body; 2. a vacuum pumping device; 3. a heating element; 4. a fixing plate; 5. fixing the rod; 6. a guide chute; 7. a furnace door; 8. sealing the cover plate; 9. a seal ring; 10. a seal ring; 11. a slider; 12. a screw rod; 13. a drive gear; 14. a furnace cover; 15. a weldment rack; 16. a furnace cover frame; 17. a connecting rod; 18. a ground track; 19. a drive plate; 20. a balancing weight; 21. and a guide slide block.

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. 1-3, the present invention provides an embodiment: a novel electric heating brazing furnace comprises a brazing furnace body 1, a furnace cover 14, a furnace cover frame 16 and a ground track 18, wherein a heating element 3 is arranged in a hearth of the brazing furnace body 1, a vacuum air extraction device 2 is arranged at the rear end of the brazing furnace body 1, a furnace door 7 is arranged at the front end of the brazing furnace body 1, furnace legs are arranged at the bottom end of the brazing furnace body 1, the furnace legs of the brazing furnace body 1 cross over the ground track 18, the direction of the ground track 18 is consistent with that of the furnace door 7 and the hearth, the furnace cover 14 is arranged on the furnace cover frame 16, a welding part frame 15 is arranged on the other side of the furnace cover 14, the furnace cover frame 16 is arranged on the ground track 18 in a sliding mode, a balancing weight 20 is arranged on one side, far away from the furnace cover frame 14, a fixing plate 4 parallel to the ground is fixed on the outer wall of the top end of the brazing furnace body 1 through two fixing rods 5, a sealing mechanism matched with the furnace door 7 is, the sealing mechanism can vertically slide along the side wall of the brazing furnace body 1, and comprises a screw rod 12 vertically inserted on the fixing plate 4 through a bearing, a sliding block 11 sleeved on the screw rod 12, a sealing cover plate 8 fixed on the side wall of the sliding block 11 and matched with the furnace door 7, and a transmission mechanism for driving the sealing cover plate 8 to vertically and downwardly move.

Further, one side that sealed apron 8 is close to furnace gate 7 demountable installation has sealing ring 9, and sealing ring 9 keeps away from one side of sealed apron 8 and is fixed with sealing washer 10, the diameter of sealing ring 9 and sealing washer 10 all is greater than the diameter of furnace gate 7, and the lateral wall of sealing washer 10 and the sealed laminating of the lateral wall of brazing furnace body 1, seal up furnace gate 7 through sealing ring 9 and sealing washer 10, prevent that bell 14 and furnace gate 7 from breaking away from and leading to the heat in the furnace of brazing furnace body 1 to scatter and disappear when breaking away from.

Furthermore, the outer side wall of the end, away from the sealing ring 10, of the sealing ring 9 is provided with threads, the sealing cover plate 8 is provided with a thread groove matched with the sealing ring 9, the sealing ring 9 and the sealing cover plate 8 are connected in a threaded mode, and the sealing ring 9 can be conveniently replaced due to the fact that the sealing ring 10 on the sealing ring 9 is used for a long time and is abraded.

Further, the transmission mechanism comprises a driving gear 13 fixed on the top end of the screw rod 12, a connecting rod 17 fixed on the top end of the furnace cover 14 and parallel to the screw rod 12, and a driving plate 19 fixed on the top end of the connecting rod 17 and parallel to the ground, and a section of rack group meshed with the driving gear 13 is uniformly distributed on one end of the driving plate 19 away from the connecting rod 17 and along the length direction, when the furnace cover frame 16 approaches the brazing furnace body 1 from the initial position, the furnace cover frame 16 drives the driving plate 19 to move together, and the driving plate 19 drives the screw rod 12 to rotate in the moving process, at this time, the sliding block 11 on the screw rod 12 drives the sealing cover plate 8 to vertically move upwards along the side wall of the brazing furnace body 1, when the sealing cover plate 8 rises to the top end of the furnace door 7, at this time, the left end of the welding part frame 15 on the furnace cover 14 just moves to the furnace door 7, and at the same, the furnace cover frame 16 continues to advance with the driving plate 19 until the furnace cover 14 blocks the furnace door 7, and the driving plate 19 continues to advance with the furnace cover frame 16 until the furnace cover 14 blocks the furnace door 7, and after the rack group on the driving plate 19 is separated from the driving gear 13, the driving gear 13 cannot drive the screw rod 12 to rotate.

Furthermore, a guide sliding block 21 is fixed at the bottom of one end, away from the connecting rod 17, of the driving plate 19, the guide sliding block 21 is in sliding connection with a guide sliding groove 6 which is formed in the upper end face of the fixing plate 4 along the length direction of the fixing plate 4, and the guide sliding block 21 plays a supporting role on the driving plate 19, so that the driving plate 19 is guaranteed to be more stable in the moving process.

In the embodiment, only the sealing mechanism and the transmission mechanism are added, and other structures are reserved.

The working principle is as follows: when in use, as shown in figure 1, the furnace cover frame 16 is positioned at the right side of the brazing furnace body 1 and keeps a certain distance, the initial position of the sealing cover plate 8 is positioned on the furnace door 7 and seals the furnace door 7 through the sealing ring 9 and the sealing ring 10 to prevent heat loss in the hearth of the brazing furnace body 1, then, a weldment is arranged on the weldment frame 15 to enter the hearth of the brazing furnace body 1 along with the furnace cover 14 for heating, in the process that the furnace cover frame 16 approaches the brazing furnace body 1 from the initial position, the furnace cover frame 16 carries the driving plate 19 to move together, the driving plate 19 drives the screw rod 12 to rotate in the moving process, at the moment, the slide block 11 on the screw rod 12 carries the sealing cover plate 8 to move vertically upwards along the side wall of the brazing furnace body 1, when the sealing cover plate 8 rises to the top end of the furnace door 7, at the moment, the left end of the weldment frame 15 on the furnace cover 14 moves to the outer side of the furnace, meanwhile, the rack group on the driving plate 19 is just separated from the driving gear 13, the furnace cover frame 16 continues to drive the driving plate 19 to advance until the furnace cover 14 blocks the furnace door 7, at the moment, the weldment frame 15 completely enters the hearth of the brazing furnace body 1, the furnace cover frame 16 continues to drive the driving plate 19 to advance until the furnace cover 14 blocks the furnace door 7, after the rack group on the driving plate 19 is separated from the driving gear 13, the driving gear 13 cannot drive the screw rod 12 to rotate, after heating is finished, the furnace cover frame 16 moves to the initial position, when the weldment frame 15 moves to the outer side of the furnace door 7, the rack group on the driving plate 19 starts to be meshed with the driving gear 13, when the welding frame 16 drives the weldment frame 15 and the driving plate 19 to continue to move, the driving gear 13 drives the driving gear 13 to rotate reversely under the cooperation of the driving plate 19, at the moment, the driving gear 13 drives the screw rod 12 to rotate, and the sealing ring 9 on the sealing cover plate 8 seals the oven door 7 again, so that in the process of taking the processed weldment out of the weldment rack 15 and placing a new weldment on the weldment rack 15, the heat of the brazing furnace body 1 is prevented from being dissipated, the temperature in the brazing furnace body 1 is lower than the temperature required by the weldment to be heated, and the quality of the brazed weldment is prevented from being influenced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A novel electric heating brazing furnace comprises a brazing furnace body (1), a furnace cover (14), a furnace cover frame (16) and a ground track (18), wherein a heating element (3) is arranged in a hearth of the brazing furnace body (1), a vacuum air extractor (2) is arranged at the rear end of the brazing furnace body (1), a furnace door (7) is arranged at the front end of the brazing furnace body (1), furnace legs are arranged at the bottom end of the brazing furnace body (1), the furnace legs of the brazing furnace body (1) cross over the ground track (18), the direction of the ground track (18) is consistent with that of the furnace door (7) and the hearth, the furnace cover (14) is arranged on the furnace cover frame (16), a welding part frame (15) is arranged on the other side of the furnace cover (14), the furnace cover frame (16) is arranged on the ground track (18) in a sliding mode, a balancing weight (20) is arranged on one side, far away from the furnace cover (14), of the furnace cover frame, the method is characterized in that: the outer wall on brazing furnace body (1) top is fixed with fixed plate (4) parallel with ground through two dead levers (5), and fixed plate (4) are close to the one end of furnace gate (7) and are equipped with the sealing mechanism with furnace gate (7) looks adaptation, sealing mechanism can slide from top to bottom along the lateral wall of brazing furnace body (1), and sealing mechanism includes through bearing vertical penetration lead screw (12) on fixed plate (4), slider (11) of suit on lead screw (12), fix at slider (11) lateral wall and with furnace gate (7) looks adaptation sealed apron (8) and be used for driving sealed apron (8) longitudinal, the drive mechanism who moves down.

2. The novel electric heating brazing furnace as claimed in claim 1, wherein: one side demountable installation that sealed apron (8) are close to furnace gate (7) has sealing ring (9), and sealing ring (9) keep away from one side of sealed apron (8) and be fixed with sealing washer (10), the diameter of sealing ring (9) and sealing washer (10) all is greater than the diameter of furnace gate (7), and the lateral wall of sealing washer (10) and the sealed laminating of the lateral wall of brazing stove body (1).

3. The novel electric heating brazing furnace as claimed in claim 2, wherein: the outer side wall of one end, far away from the sealing ring (10), of the sealing ring (9) is provided with threads, and the sealing cover plate (8) is provided with a thread groove matched with the sealing ring (9).

4. The novel electric heating brazing furnace as claimed in claim 1, wherein: the transmission mechanism comprises a driving gear (13) fixed on the top end of the screw rod (12), a connecting rod (17) fixed on the top end of the furnace cover (14) and parallel to the screw rod (12), and a driving plate (19) fixed on the top end of the connecting rod (17) and parallel to the ground, wherein one end of the driving plate (19) far away from the connecting rod (17) is uniformly provided with a section of rack group meshed and connected with the driving gear (13) along the length direction of the driving plate.

5. The novel electric heating brazing furnace as claimed in claim 4, wherein: the bottom of one end, far away from the connecting rod (17), of the driving plate (19) is fixedly provided with a guide sliding block (21), and the guide sliding block (21) is in sliding connection with a guide sliding groove (6) which is arranged on the upper end face of the fixing plate (4) along the length direction of the fixing plate (4).