CN218349232U

CN218349232U - Furnace door opening and closing mechanism

Info

Publication number: CN218349232U
Application number: CN202222165854.8U
Authority: CN
Inventors: 顾旭纲
Original assignee: Luoyang Haina Testing Instrument Co ltd
Current assignee: Luoyang Haina Testing Instrument Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-01-20
Anticipated expiration: 2032-08-17

Abstract

A furnace door opening and closing mechanism comprises a driving assembly and a connecting rod assembly, wherein the driving assembly is connected with the connecting rod assembly, the driving assembly comprises an electric push rod, a driving rod, a top piece, a first sliding plate and a second sliding plate, the driving end of the electric push rod is connected with the top piece through the driving rod, the first sliding plate and the second sliding plate are fixedly connected into a whole through a detachable connecting piece, and sliding structures are arranged between the left side and the right side of the top piece and between the first sliding plate and the second sliding plate; the connecting rod assembly comprises a connecting rod shaft and a connecting rod, one end of the connecting rod shaft is connected with the middle part of the connecting rod, the other end of the connecting rod shaft penetrates through the second sliding plate and then is erected at the top of the jacking piece, one end of the connecting rod is a fixed end fixedly connected with the furnace door, and the other end of the connecting rod is a hinged end. The mechanism takes the electric push rod as a power part, simplifies the structure, saves the space, and can stop at any position without any external structure for locking. When the opening and closing mechanism is used for overhauling, the furnace door can be manually opened, so that the overhauling in the furnace is not influenced, and the overhauling of the opening and closing mechanism is not influenced.

Description

Furnace door opening and closing mechanism

Technical Field

The utility model relates to a furnace gate technical field that opens and shuts, what specifically says so is a furnace gate mechanism that opens and shuts.

Background

When the furnace door closing mechanism is opened, a connecting rod is designed to be parallel to the axis, a brake motor is installed behind a furnace chamber, a chain wheel is arranged on the motor, one end of a chain is fixed on the chain wheel, the chain penetrates through the connecting rod, the other end of the chain is fixed on a fixing plate, when the motor rotates, the connecting rod is pulled by the chain to move downwards, the furnace door is opened, and after the furnace door is opened to a set position, the motor stops rotating, and the motor is limited to rotate reversely by using a brake. When the oven door is closed, the motor releases the brake and rotates reversely. The oven door is closed. The disadvantages are that: when the power supply voltage is unstable or the brake is damaged, the motor brake is easy to lose efficacy, the brake is locked after the motor is in place, the furnace door can move downwards under the action of gravity, and at the moment, articles in the furnace cavity are taken out, so that accidents can occur.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a furnace gate mechanism that opens and shuts realizes opening and closing of furnace gate through electric putter to the driving medium is less, convenient the maintenance.

In order to realize the technical purpose, the adopted technical scheme is as follows: a furnace door opening and closing mechanism comprises a driving assembly and a connecting rod assembly, wherein the driving assembly is connected with the connecting rod assembly, the driving assembly comprises an electric push rod, a driving rod, a jacking piece, a first sliding plate and a second sliding plate, the electric push rod is vertically arranged, the driving end of the electric push rod is connected with the jacking piece through the driving rod, the first sliding plate and the second sliding plate are respectively arranged on the left side and the right side of the jacking piece, the first sliding plate and the second sliding plate are fixedly connected into a whole through a detachable connecting piece, and a sliding structure which can vertically move is matched with each other is arranged between the left side and the right side of the jacking piece and between the first sliding plate and the second sliding plate; the connecting rod assembly consists of a connecting rod shaft and a connecting rod, one end of the connecting rod shaft is connected with the middle part of the connecting rod, the other end of the connecting rod shaft passes through the second sliding plate and then is erected at the top of the ejector, one end of the connecting rod is a fixed end fixedly connected with the furnace door, and the other end of the connecting rod is a hinged end.

Furthermore, the driving rod is an adjusting screw rod, one end of the adjusting screw rod is in threaded connection with the electric push rod and is locked and fixed by a locking nut, and the other end of the adjusting screw rod is in threaded connection with the ejecting piece and is locked and fixed by the locking nut.

Furthermore, the sliding structure comprises a slide way and a slide block which are vertically arranged and matched with each other, and the slide block is arranged in the slide way.

Furthermore, the detachable connecting piece consists of a nut column and a screw which are matched with each other.

Furthermore, the top of the top piece is provided with a clamping groove for placing one end of the connecting shaft, and the clamping groove is in clearance fit with the connecting shaft.

The utility model discloses beneficial effect is: the electric push rod is used as a power part, the structure of the driving assembly is simplified, the space of used equipment is saved, and the electric push rod can be stopped at any position and is not locked by any external structure. In addition, the opening and closing mechanism can manually open the furnace door during maintenance, so that the maintenance in the furnace is not influenced, and the maintenance of the opening and closing mechanism is not influenced.

The sliding plates are arranged on two sides of the top piece, and the sliding structure is used for limiting, so that the situation that the oven door is opened and the top piece collides with the shell when out of control is caused can be avoided, and the shell is deformed. The use of the slide plate can reduce the height dimension of the housing. And does not affect the height and function of manually opening the furnace door.

Drawings

Fig. 1 is an axial view of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a schematic top view of the present invention;

fig. 5 is a front view of the drive assembly of the present invention;

fig. 6 is a side view of the drive assembly of the present invention;

fig. 7 is an exploded view of the drive assembly of the present invention;

in the figure: 1. the device comprises a driving component 11, an electric push rod 12, a driving rod 13, a top piece 131, a clamping groove 14, a first sliding plate 15, a second sliding plate 16, a locking nut 17, a sliding way 18, a sliding block 19, a detachable connecting piece 191, a nut column 192, a screw 2, a connecting rod assembly 21, a connecting rod shaft 22, a connecting rod 221, a fixed end 222, a hinged end 3, a furnace door 4, a furnace cavity 5, a connecting shaft 6 and a push rod seat.

Detailed Description

The following provides a preferred embodiment of the present invention with reference to the accompanying drawings to describe the technical solution of the present invention in detail. Here, the detailed description of the present invention will be given with reference to the accompanying drawings. It should be expressly understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit or restrict the present invention.

In the description of the present embodiment, the terms "inside", "outside", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish similar items and are not to be construed as requiring a particular order or sequence, and it is to be understood that such uses are interchangeable under appropriate circumstances.

As shown in fig. 1 and 2, an oven door opening and closing mechanism, which can be used for opening and closing various machines, such as a sample melting machine, a sample testing machine, a packaging machine, etc., includes a driving assembly 1 and a connecting rod assembly 2, the driving assembly 1 is connected with the connecting rod assembly 2, the driving assembly 1 provides a lifting or dropping driving force for the connecting rod assembly 2, and the connecting rod assembly 2 realizes the opening of the oven door 3 by connecting the oven door 3. The driving components can be arranged into two groups and are connected by a connecting shaft 5, and the oven door 3 is driven to open and close together through the left side and the right side.

As shown in fig. 3, 5 and 6, the driving assembly 1 includes an electric push rod 11, a driving rod 12, a top member 13, a first sliding plate 14 and a second sliding plate 15, the electric push rod 11 is vertically disposed, the top end thereof is a driving end, the bottom thereof can be fixed by a push rod seat 6, the electric push rod 11 can be stopped at any position without being locked by any external structure, the maximum pushing height of the electric push rod 11 can be designed according to the required opening height of the connected oven door, the driving end of the electric push rod 11 is connected with the top member 13 by the driving rod 12, the left and right sides of the top member 13 are respectively provided with the first sliding plate 14 and the second sliding plate 15, the first sliding plate 14 and the second sliding plate 15 are fixedly connected into a whole by a detachable connecting member 19, the detachable connecting member 19 is composed of a nut column 191 and a screw 192, as shown in fig. 7, the upper end and the lower end of the first sliding plate 14 and the second sliding plate 15 are fixed by the detachable connecting member 19, thereby forming a U-shaped structure surrounding the top member 13. The components in the whole driving assembly 1 are all of long-strip flat structures, the whole size is small, the space is saved, and the utilized components are simple in structure and easy to replace.

The top member 13 has vertically movable sliding structures on both left and right sides thereof and between the first and second sliding

plates

14 and 15. The sliding structure is composed of a slideway 17 and a sliding block 18 which are vertically arranged and matched with each other, and the sliding block 18 is arranged in the slideway 17. As shown in fig. 7, the sliding blocks 18 are disposed on both sides of the top member 13, the sliding rails 17 are correspondingly disposed on the first sliding plate 14 and the second sliding plate 15, the sliding blocks 18 are inserted into the sliding rails 17, and the first sliding plate 14 and the second sliding plate 15 are integrally formed to be capable of sliding up and down, whereas the sliding rails 17 are disposed on both sides of the top member 13, and the sliding blocks 18 are disposed on opposite sides of the first sliding plate 14 and the second sliding plate 15.

As shown in fig. 3 and 4, the link assembly 2 is composed of a link shaft 21 and a link 22, one end of the link shaft 21 is connected to the middle of the link 22, the other end of the link shaft 21 passes through the second sliding plate 15 and then is set up on the top of the top member 13, or further passes through the first sliding plate 14, when the top member is pushed up, the link shaft 21 is also pushed up, one end of the link 22 is a fixed end 221 fixedly connected to the oven door 3, the fixed end 221 is connected to the oven door 3, and the other end is a hinged end 222 which can be hinged on the oven chamber 4, when the link shaft 21 is pushed up, the hinged end 222 is used as a pivot to rotate, the oven door can be lifted up, otherwise, the link shaft 21 falls, and the link falls. When the driving assembly is not powered on or damaged, the connecting rod shaft 21 passes through the second sliding plate 15, so that the second sliding plate 15 and the first sliding plate 14 move upwards along the sliding structure to be opened, the driving assembly does not need to be detached, and the sliding structure can realize a guiding function.

The driving rod 12 is an adjusting screw rod, one end of the adjusting screw rod is in threaded connection with the electric push rod 11 and is locked and fixed by a locking nut 16, and the other end of the adjusting screw rod is in threaded connection with the top piece 13 and is locked and fixed by the locking nut 16. The whole driving rod 12 can be detached through the structure, the heights of the driving rod 12 are unchanged so as to ensure that the heights of the ejector piece and the electric push rod are unchanged, and the driving rod 12 with different lengths can be screwed out if the heights of the driving rod 12 are changed.

The top of the top piece 13 is provided with a clamping groove 131 for placing one end of the connecting rod shaft 21, the clamping groove 131 is in clearance fit with the connecting rod shaft 21, and the structure can prevent the connecting rod shaft 21 from shaking back and forth to limit the connecting rod shaft 21.

Taking the working mode of the full-automatic sample melting furnace as an example:

the electric push rod 11 is provided with an adjusting screw rod, the adjusting screw rod is provided with a locking nut 16 from top to bottom, a jacking part 13 is arranged above the adjusting screw rod, the height of the jacking part and the height of the bottom of the electric push rod can be controlled by rotating the adjusting screw rod, and the locking nut 16 on the adjusting screw rod is locked after the height is adjusted, so that the heights of the jacking part and the electric push rod are guaranteed to be unchanged. A first sliding plate 14 and a second sliding plate 15 are arranged on two sides of the top piece, the first sliding plate 14 and the second sliding plate 15 are connected through a nut column 191 and a screw 192, and the first sliding plate 14 and the second sliding plate 15 can move up and down along a sliding block 18 on the top piece 13. The top of the top piece 13 is contacted with the connecting rod shaft 21, and the electric push rod is fixed on the lower push rod seat.

When the electric push rod 11 moves upwards, the top piece 13 pushes the connecting rod shaft 21 to drive the connecting rod 22, so that the furnace door 3 moves upwards, the furnace door 3 is opened, the electric push rod 11 moves downwards, the top piece 13 supports the connecting rod shaft 21 to move downwards, the furnace door descends by means of dead weight, the closing of the furnace door is completed, and when the furnace door needs to be opened manually. And lifting the furnace door, and enabling the first sliding plate 14 and the second sliding plate 1 on the two sides of the top piece 13 to move upwards to finish the upward movement of the furnace door, so that the furnace door cannot be self-locked in the opening process, and the furnace door can descend after external force is lost. The first sliding plate 14 and the second sliding plate 1 on both sides of the top member move downward to complete the restoration.

The advantage of using the first sliding plate 14 and the second sliding plate 1 is that it is avoided that the oven door hits the housing when the process of opening is out of control, which causes deformation of the housing. The height dimension of the housing can be reduced by using the slider. And does not affect the height and function of manually opening the oven door.

The above are merely preferred examples of the present invention, and are not intended to limit or restrict the present invention. Various modifications and alterations of this invention will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a furnace gate mechanism that opens and shuts, includes drive assembly (1) and link assembly (2), and drive assembly (1) and link assembly (2) are connected, its characterized in that: the driving assembly (1) comprises an electric push rod (11), a driving rod (12), a jacking piece (13), a first sliding plate (14) and a second sliding plate (15), the electric push rod (11) is vertically arranged, the driving end of the electric push rod is connected with the jacking piece (13) through the driving rod (12), the left side and the right side of the jacking piece (13) are respectively provided with the first sliding plate (14) and the second sliding plate (15), the first sliding plate (14) and the second sliding plate (15) are fixedly connected into a whole through a detachable connecting piece (19), and matched sliding structures capable of moving vertically are arranged between the left side and the right side of the jacking piece (13) and between the first sliding plate (14) and the second sliding plate (15);

link assembly (2) constitute by connecting rod axle (21) and connecting rod (22), the one end of connecting rod axle (21) is connected with the middle part of connecting rod (22), set up at the top of ejecting (13) behind the other end of connecting rod axle (21) passing second slide (15), the one end of connecting rod (22) be with furnace door (3) fixed connection's stiff end (221), the other end is articulated end (222).

2. The oven door opening and closing mechanism of claim 1, wherein: the driving rod (12) is an adjusting screw rod, one end of the adjusting screw rod is in threaded connection with the electric push rod (11) and is locked and fixed by a locking nut (16), and the other end of the adjusting screw rod is in threaded connection with the top piece (13) and is locked and fixed by the locking nut (16).

3. The oven door opening and closing mechanism of claim 1, wherein: the sliding structure is composed of a slideway (17) and a sliding block (18) which are vertically arranged and matched with each other, and the sliding block (18) is arranged in the slideway (17).

4. The oven door opening and closing mechanism of claim 1, wherein: the detachable connecting piece (19) consists of a nut column (191) and a screw (192) which are matched with each other.

5. An oven door opening and closing mechanism according to claim 1, characterized in that: the top of the top piece (13) is provided with a clamping groove (131) for placing one end of the connecting rod shaft (21), and the clamping groove (131) is in clearance fit with the connecting rod shaft (21).