CN219572617U - Pit furnace door control device - Google Patents

Abstract

The utility model discloses a pit furnace door control device, which comprises a workbench and a pit furnace, wherein the upper surface of the workbench is provided with the pit furnace, the outer side surface of a furnace body is circumferentially provided with at least two fixing blocks, the lower surface of each fixing block is provided with an arc-shaped fixing ring, the arc-shaped fixing rings are fixed on the upper surface of the workbench through a supporting frame, a cylindrical connecting block is meshed and connected with a gear connecting assembly through a circular rack, the gear connecting assembly is fixed at the end part of the connecting rod, the connecting rod penetrates through the arc-shaped fixing rings, the supporting frame and the workbench, the inside of the connecting rod is hollow, a steel wire is arranged in the connecting rod, one end of the steel wire is connected with a pedal ring, and the other end of the steel wire is connected with the gear connecting assembly.

Description

Pit furnace door control device

Technical Field

The utility model relates to the technical field of pit furnace processing, in particular to a pit furnace door control device.

Background

The pit furnace is one of the main boiler forms of machining production, the machining effect of the pit furnace is good when the pit furnace is used for performing spherical treatment on carbon compounds in steel, and the reason is that the pit furnace always has protective atmosphere in production, so that the surface accuracy of a workpiece can be ensured to be good after the workpiece is finished, the toughness and the rigidity of the workpiece are effectively ensured, and the pit furnace is widely applied to the current social production based on the advantages.

However, the pit furnace still has a certain problem, and the problems are shown in a centralized way: the open-close process of pit furnace is comparatively inconvenient, and it is at present common that the bell is articulated with the furnace body, and open the stove lid process has the potential safety hazard, and staff is scalded easily to the steam that produces, and later through improving, realizes bell raising and lowering functions through hydraulic cylinder, and hydraulic cylinder is easy to damage at the in-process of long-time use, needs the staff to dismantle it regularly and maintains, but the dismouting is more loaded down with trivial details, can not make things convenient for the staff to dismantle it fast.

Disclosure of Invention

The utility model provides a pit furnace door control device, which separates a furnace cover from a furnace body through a pedal ring of a worker, avoids the damage of generated steam to the worker, simultaneously replaces hydraulic pressure with machinery, reduces the failure rate of equipment, prolongs the service life of the equipment, avoids the tedious operation of replacing parts, and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pit furnace door control device, includes workstation and pit furnace, the upper surface of workstation is equipped with the pit furnace, the pit furnace includes base, furnace body and bell, the outside of furnace body is the circumference and distributes there is not less than two fixed blocks, the lower surface of fixed block is equipped with the arc solid fixed ring, the upper surface at the workstation is fixed through the support frame to the arc solid fixed ring, the upper surface of bell is equipped with the cylinder connecting block, the cylinder connecting block passes through circular rack and gear connection subassembly meshing connection, gear connection subassembly is fixed at the tip of connecting rod, the connecting rod passes arc solid fixed ring, support frame and workstation, and it is inside for cavity, be equipped with the steel wire in the connecting rod, the one end and the pedal ring of steel wire are connected, the other end and the gear connection subassembly of steel wire are connected.

Further, the gear connection assembly comprises a connection base body, a rotating shaft, a gear and a torsion spring, the rotating shaft is rotationally connected to the inner side face of the connection base body, the gear is sleeved on the outer side face of the rotating shaft, the torsion spring is arranged at one end of the rotating shaft, and the steel wire end is fixedly connected in a groove of the rotating shaft.

Furthermore, two sliding grooves are symmetrically formed in the circular rack, two sliding blocks are symmetrically arranged on the inner side face of the gear connecting assembly, and the two sliding blocks slide in the sliding grooves of the circular rack.

Further, two short supporting rods are arranged on the frame, and the connecting rods are fixed on the frame through fixing pieces by the two short supporting rods.

Further, the base is fixed on the upper surface of the workbench, and a temperature regulation button and a start-stop switch are arranged on the front side surface of the base.

Further, a sealing rubber ring is arranged on the outer side face of the upper end of the furnace body, and the furnace body is in sealing connection with the furnace cover through the sealing rubber ring.

Further, a rib plate is arranged on one side face of the supporting frame.

Furthermore, the connecting rod is of a 7-shaped hollow design, and the pedal ring is of a triangle design.

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

this device is through the pedal ring of staff's pedal ring in the pedal ring belt moves the steel wire in the connecting rod and moves down, the steel wire drives the pivot and rotates, the gear has been cup jointed to the lateral surface of pivot, the gear is connected with circular rack meshing, slider on the gear connection subassembly medial surface slides in circular rack's spout, thereby make circular rack drive the stove lid and rise, bell and furnace body separation, avoid the steam that produces to cause the injury to the staff, replace hydraulic pressure with machinery simultaneously, the fault rate of equipment has been reduced, the life of extension equipment, avoid changing the loaded down with trivial details operation of spare part.

Drawings

FIG. 1 is a schematic view of a first view angle structure according to the present utility model;

FIG. 2 is a schematic view of a second view angle structure according to the present utility model;

FIG. 3 is a front view of the present utility model;

FIG. 4 is a left side view of the present utility model;

FIG. 5 is a schematic view of a circular rack structure of the parts;

fig. 6 is a cross-sectional view of the component gear connection assembly.

In the figure: 1 frame, 2 workbench, 3 pit furnace, 31 bell, 32 furnace body, 33 base, 4 circular rack, 5 connecting rod, 6 arc solid fixed ring, 7 support frame, 8 pedal ring, 9 gear connection subassembly, 91 connection base member, 92 pivot, 93 gear, 94 torsion spring, 10 fixed block, 11 cylinder connecting block, 12 short stay, 13 steel wires, 14 spout, 15 slider.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, if an orientation description such as "upper", "lower", "front", "rear", "left", "right", etc. is referred to, it is merely for convenience of description of the present utility model and simplification of the description, and it is not indicated or implied that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. When a feature is referred to as being "disposed," "secured" or "connected" to another feature, it can be directly disposed, secured or connected to the other feature or it can be indirectly disposed, secured or connected to the other feature.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a pit furnace door control device, includes workstation 2 and pit furnace 3, and the upper surface of workstation 2 is equipped with pit furnace 3, and pit furnace 3 includes base 33, furnace body 32 and bell 31, and the outside of furnace body 32 personally submits circumference distribution has not less than two fixed blocks 10, and the lower surface of fixed block 10 is equipped with arc solid fixed ring 6, and arc solid fixed ring 6 passes through support frame 7 to be fixed at the upper surface of workstation 2.

Specifically, the furnace body 32 is fixed on the workbench 2 through the fixing blocks 10 arranged on the outer side surface of the furnace body 32, so that the furnace body 32 is driven to move together in the rising process of the furnace cover 31 is avoided.

The upper surface of bell 31 is equipped with cylinder connecting block 11, and cylinder connecting block 11 is connected with gear connection subassembly 9 meshing through circular rack 4, and gear connection subassembly 9 is fixed in the tip of connecting rod 5, and arc solid fixed ring 6, support frame 7 and workstation 2 are passed to connecting rod 5, and it is inside for cavity, is equipped with steel wire 13 in the connecting rod 5, and the one end and the pedal ring 8 of steel wire 13 are connected, and the other end and the gear connection subassembly 9 of steel wire 13 are connected.

Specifically, the staff pedal ring 8, pedal ring 8 drives steel wire 13 in the connecting rod 5 and moves down, steel wire 13 fixes in the recess of pivot 92, thereby drive pivot 92 rotation, gear 93 has been cup jointed to the lateral surface of pivot 92, gear 93 is connected with circular rack 4 meshing, slider 15 on the medial surface of gear connection subassembly 9 slides in the spout 14 of circular rack 4, thereby make circular rack 4 drive bell 31 rise, bell 31 and furnace body 32 separation, avoid the steam that produces to cause the injury to the staff, replace hydraulic pressure with machinery simultaneously, the fault rate of equipment has been reduced, the life of extension equipment, avoid changing the loaded down with trivial details operation of spare part.

Further, the gear connecting assembly 9 comprises a connecting base 91, a rotating shaft 92, a gear 93 and a torsion spring 94, the rotating shaft 92 is rotatably connected to the inner side surface of the connecting base 91, the gear 93 is sleeved on the outer side surface of the rotating shaft 92, the torsion spring 94 is arranged at one end of the rotating shaft 92, and the end of the steel wire 13 is fixedly connected to the groove of the rotating shaft 92.

Specifically, the end of the steel wire 13 is fixed in the groove of the rotating shaft 92, the steel wire 13 is pulled to drive the rotating shaft 92 to rotate, the gear 93 is mounted on the rotating shaft 92, the gear 93 is meshed with the circular rack 4, the pedal ring 8 is loosened, the gear 93 is reversely rotated under the action of the torsion spring 94, and accordingly the circular rack 4 drives the furnace cover 31 to descend.

Further, two sliding grooves 14 are symmetrically formed in the circular rack 4, two sliding blocks 15 are symmetrically arranged on the inner side face of the gear connecting assembly 9, and the two sliding blocks 15 slide in the sliding grooves 14 of the circular rack 4.

Specifically, in the process that the circular rack 4 drives the furnace cover 31 to ascend, the sliding block 15 slides in the sliding groove 14 of the circular rack 4, so that stability and linearity of the furnace cover 31 in the ascending process are guaranteed, and torsion and deflection of the furnace cover 31 in the ascending process are avoided, so that later-stage operation cannot be smoothly performed.

Further, two short supporting rods 12 are arranged on the frame 1, and the connecting rod 5 is fixed on the frame 1 through fixing pieces by the two short supporting rods 12.

Further, the base 33 is fixed on the upper surface of the workbench 2, and a temperature control button and a start-stop switch are arranged on the front side surface of the base 33.

Specifically, by setting a temperature regulation button and a start-stop switch, the pit furnace temperature is conveniently regulated and started and stopped, and the operation of workers is convenient.

Further, a sealing rubber ring is arranged on the outer side surface of the upper end part of the furnace body 32, and the furnace body 32 is in sealing connection with the furnace cover 31 through the sealing rubber ring.

Further, a rib plate is arranged on one side surface of the supporting frame 7.

Specifically, the gusset is the slope design, plays the support firm effect to support frame 7.

Furthermore, the connecting rod 5 is in a 7-shaped hollow design, and the pedal ring 8 is in a triangular design.

Specifically, the pedal ring 8 is triangular in design, so that the feet of the staff can conveniently extend out and tread.

When in use: after the processing is finished, when the furnace cover 31 needs to be opened, a worker pedals the pedal ring 8, the pedal ring 8 drives the steel wire 13 in the connecting rod 5 to move downwards, the steel wire 13 is fixed in the groove of the rotating shaft 92, thereby driving the rotating shaft 92 to rotate, the outer side surface of the rotating shaft 92 is sleeved with the gear 93, the gear 93 is meshed with the circular rack 4, the sliding block 15 on the inner side surface of the gear connecting component 9 slides in the sliding groove 14 of the circular rack 4, the circular rack 4 drives the furnace cover 31 to ascend, the furnace cover 31 is separated from the furnace body 32, the generated steam is prevented from damaging the worker, when the furnace cover 31 needs to be closed, the worker releases the pedal ring 8, and the gear 93 reversely rotates under the action of the torsion spring 94, so that the circular rack 4 drives the furnace cover 31 to descend, and the furnace cover 31 is in resealing connection with the furnace body 32.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a pit furnace door control device, includes workstation (2) and pit furnace (3), the upper surface of workstation (2) is equipped with pit furnace (3), pit furnace (3) include base (33), furnace body (32) and bell (31), its characterized in that: the utility model discloses a furnace body, including furnace body (32), fixed block (10) that is not less than two is personally submitted to circumference distribution in the outside of furnace body (32), the lower surface of fixed block (10) is equipped with arc solid fixed ring (6), arc solid fixed ring (6) are fixed at the upper surface of workstation (2) through support frame (7), the upper surface of bell (31) is equipped with cylinder connecting block (11), cylinder connecting block (11) are connected with gear connection subassembly (9) meshing through circular rack (4), gear connection subassembly (9) are fixed at the tip of connecting rod (5), connecting rod (5) pass arc solid fixed ring (6), support frame (7) and workstation (2), and it is inside for cavity, be equipped with steel wire (13) in connecting rod (5), the one end and the pedal ring (8) of steel wire (13) are connected, the other end and the gear connection subassembly (9) of steel wire (13).

2. The pit furnace door control apparatus according to claim 1, wherein: the gear connecting assembly (9) comprises a connecting base body (91), a rotating shaft (92), a gear (93) and a torsion spring (94), wherein the rotating shaft (92) is rotationally connected to the inner side surface of the connecting base body (91), the gear (93) is sleeved on the outer side surface of the rotating shaft (92), the torsion spring (94) is arranged at one end part of the rotating shaft (92), and the end part of the steel wire (13) is fixedly connected in a groove of the rotating shaft (92).

3. The pit furnace door control apparatus according to claim 1, wherein: two sliding grooves (14) are symmetrically formed in the circular rack (4), two sliding blocks (15) are symmetrically arranged on the inner side face of the gear connecting assembly (9), and the two sliding blocks (15) slide in the sliding grooves (14) of the circular rack (4).

4. The pit furnace door control apparatus according to claim 1, wherein: two short supporting rods (12) are arranged on the frame (1), and the connecting rods (5) are fixed on the frame (1) through fixing pieces by the two short supporting rods (12).

5. The pit furnace door control apparatus according to claim 1, wherein: the base (33) is fixed on the upper surface of the workbench (2), and a temperature regulation button and a start-stop switch are arranged on the front side surface of the base (33).

6. The pit furnace door control apparatus according to claim 1, wherein: the sealing rubber ring is arranged on the outer side surface of the upper end part of the furnace body (32), and the furnace body (32) is in sealing connection with the furnace cover (31) through the sealing rubber ring.

7. The pit furnace door control apparatus according to claim 1, wherein: one side of the supporting frame (7) is provided with a rib plate.

8. The pit furnace door control apparatus according to claim 1, wherein: the connecting rod (5) is in a 7-shaped hollow design, and the pedal ring (8) is in a triangle design.