CN212768299U

CN212768299U - Feeding device for silicon carbide electrothermal element

Info

Publication number: CN212768299U
Application number: CN202021487907.2U
Authority: CN
Inventors: 韩少军; 焦书锋; 韩朝军; 吴会峰
Original assignee: Dengfeng Jinyu Electric Heating Material Co ltd
Current assignee: Dengfeng Jinyu Electric Heating Material Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-03-23
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a carborundum material feeding unit for electric heating element relates to electric heating element and makes technical field, the utility model discloses a material loading platform is provided with filler mechanism and reciprocating motion mechanism on the material loading bench, and reciprocating motion mechanism is connected with and leads the slide, leads the slide and can slide on the material loading bench, leads to be provided with the bearing shell that is located filler mechanism below on the slide, and filler mechanism is used for putting in the heat preservation material to bearing shell, the utility model has the advantages of can pack automatically, autoloading, improve production efficiency.

Description

Feeding device for silicon carbide electrothermal element

Technical Field

The utility model relates to an electric heating element makes technical field, concretely relates to material feeding unit for carborundum electric heating element.

Background

The resistance value of the silicon carbide electric heating element changes along with the rise of the temperature, the negative value is from room temperature to 800 ℃, and the positive value characteristic curve is above 800 ℃. It has excellent chemical stability and no acid effect, but has corrosion effect on alkali and alkali earth metal oxide at certain temperature, and may be oxidized and corroded by water vapor, hydrogen, halogen, sulfur, etc. at high temperature. Compared with metal electric heating elements, the element has the characteristics of high service temperature (up to 1500 ℃), corrosion resistance, long service life, small deformation, convenient installation and maintenance and the like. The silicon carbide rod product has thick end and equal diameter silicon carbide rod, and the types of the silicon carbide rod product include straight type rod, U type rod, three-phase rod, gun type rod, five-section type rod, groove type rod, single-thread rod, double-thread rod and other specifications and models.

In the production and manufacturing process of the silicon carbide electrothermal element, a raw material carbon silicon rod needs to be placed into a bearing shell firstly, then a heat preservation material (generally graphite powder) is filled in the bearing shell until the carbon silicon rod is immersed, the process is filling, then the bearing shell and the carbon silicon rod are fed into a firing furnace together for firing, in the prior art, the heat preservation material is generally shoveled into the bearing shell through a shovel manually, the bearing shell is lifted and transported into a feeding port of the firing furnace, labor force is high, labor cost is increased, production efficiency is low, and production progress is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a material feeding unit for carborundum electric heating element, when solving prior art system carborundum electric heating element, through artifical filler and transport the carbon silicon rod, technical problem that production efficiency is low.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a carborundum is material feeding unit for electric heating element, includes the material loading platform, and the material loading bench is provided with filler mechanism and reciprocating motion mechanism, and reciprocating motion mechanism is connected with and leads the slide, leads the slide and can slide on the material loading bench, leads to be provided with the bearing shell that is located filler mechanism below on the slide, and filler mechanism is used for throwing in the heat preservation material to bearing the shell.

According to a further technical scheme, the filling mechanism comprises a supporting frame arranged on the feeding table, a material box used for containing heat preservation materials is arranged on the supporting frame, a discharging pipe is arranged at the bottom of the material box, and a control valve is arranged on the discharging pipe.

According to a further technical scheme, the reciprocating moving mechanism comprises a driving motor arranged on the feeding table, the driving motor is connected with a transmission lead screw, a screw seat is sleeved on the transmission lead screw in a threaded manner, a guide sliding rod penetrates through the screw seat in a movable manner, two ends of the guide sliding rod are connected with fixing plates fixed on the feeding table, the screw seat is connected with a connecting rod, and the other end of the connecting rod is connected with the guide sliding seat.

According to a further technical scheme, a first guide sliding rail is arranged on the feeding table, the first guide sliding rail is parallel to the transmission screw rod, the guide sliding seat is connected to the first guide sliding rail in a sliding mode, and an accommodating groove used for accommodating the bearing shell is formed in the top of the guide sliding seat.

A further technical scheme is that the feeding table is provided with a scraping mechanism, and the scraping mechanism is used for scraping heat preservation materials overflowing from the bearing shell.

A further technical scheme is that the scraping mechanism comprises a base, a vertical rod is arranged on the base, a scraper is arranged at the top of the vertical rod and located right above the first guide sliding rail, and the bottom end of the scraper is flush with the top end of the bearing shell.

The technical scheme is that a second guide sliding rail is arranged on the feeding table, the base is connected to the second guide sliding rail in a sliding mode, and the base is connected with a telescopic cylinder arranged on the feeding table.

According to a further technical scheme, the feeding table is provided with two material leaking holes which are respectively positioned at two sides of the first guide sliding rail, the scraper is arranged in the area of the material leaking holes, and a material receiving box is arranged below the material leaking holes.

Compared with the prior art, the beneficial effects of the utility model are one of following at least:

1. the utility model discloses accessible filler mechanism puts in the heat preservation material toward the bearing shell that is equipped with the carbon silicon rod automatically, until heat preservation material full and submergence carbon silicon rod, then drive through reciprocating motion mechanism and lead the slide and bear the weight of shell moving as a whole to the burn-in furnace feed inlet, at this moment will bear the weight of the shell and take off from leading the slide and put into the burn-in furnace and fire, the utility model discloses an automatic material loading and pay-off have saved a large amount of labours, have reduced the human cost, have improved production efficiency again simultaneously, guarantee the production progress.

2. When the filling operation is carried out, the control valve is opened to enable the heat insulation material in the material box to be automatically scattered into the bearing shell, and meanwhile, the reciprocating moving mechanism can drive the guide sliding seat and the bearing shell to integrally reciprocate, so that the heat insulation material can be uniformly scattered into the bearing shell until the heat insulation material is fully paved.

3. When the bearing shell filled with the heat preservation materials slides along with the guide sliding seat towards the feeding hole of the firing furnace, the heat preservation materials overflowing from the bearing shell are scraped by the scraping plate in the material scraping mechanism through the passing, so that the heat preservation materials are flushed with the upper surface of the bearing shell, and the heat preservation materials scraped simultaneously are scattered into the material collecting box from the material leaking holes on the two sides of the first guide sliding seat, so that the heat preservation materials are convenient to recycle and waste is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a feeding device for a silicon carbide electrothermal element according to the present invention.

Fig. 2 is a schematic sectional view at a-a in fig. 1.

Fig. 3 is a schematic structural diagram of a left side view of fig. 1.

Fig. 4 is a schematic view of the internal structure of the middle guide slide of the present invention.

Fig. 5 is a schematic view of a three-dimensional structure of the middle bearing shell of the present invention.

Icon: 1-a feeding table; 1.1-material leakage holes; 2-a packing mechanism; 2.1-a support frame; 2.2-material box; 2.3-discharge pipe; 2.4-control valve; 3-a reciprocating mechanism; 3.1-driving the motor; 3.2-driving screw rod; 3.3-nut seat; 3.4-a guide rod; 3.5-fixing plate; 3.6-connecting rod; 4-a guide slide; 4.1-accommodating groove; 5-a carrying shell; 6-a first guide rail; 7-a scraping mechanism; 7.1-base; 7.2-vertical bar; 7.3-scraper; 8-a second guide rail; 9-a telescopic cylinder; and 10-a material receiving box.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Referring to fig. 1 to 5, the embodiment provides a feeding device for a silicon carbide electrical heating element, which includes a feeding table 1, a filling mechanism 2 and a reciprocating mechanism 3 are disposed on the feeding table 1, the reciprocating mechanism 3 is connected to a guide slide 4, the guide slide 4 can slide on the feeding table 1, a bearing shell 5 located below the filling mechanism 2 is disposed on the guide slide 4, the bearing shell 5 is used for containing a silicon carbide rod, and the filling mechanism 2 is used for putting a heat insulating material into the bearing shell 5.

During the packing, put into the suitable amount carbon silicon rod and bear in the shell 5, put into the heat preservation material through 2 automatic toward bearing the shell 5 that is equipped with the carbon silicon rod of filler mechanism, until the heat preservation material is filled up and submergence carbon silicon rod, during the pay-off, drive through reciprocating motion mechanism 3 and lead slide 4 and bear shell 5 integral movement to the burning furnace (not drawn in the picture) feed inlet, at this moment will bear shell 5 and take off from leading slide 4 and put into burning furnace and fire, reciprocating motion mechanism 3 drives guide slide 4 again and resets, waits for next work, the utility model discloses an automatic material loading and pay-off have saved a large amount of labours, have reduced the human cost, have improved production efficiency simultaneously again, guarantee the production progress.

It should be noted that, when the carrying shell 5 is taken down, the carrying shell 5 may be manually operated, or the carrying shell 5 may be taken down or put in by an automated device.

As a preferred embodiment, the filling mechanism 2 comprises a support frame 2.1 arranged on the feeding table 1, a material tank 2.2 for containing insulation material is arranged on the support frame 2.1, a discharge pipe 2.3 is arranged at the bottom of the material tank 2.2, and a control valve 2.4 is arranged on the discharge pipe 2.3, wherein the control valve 2.4 can be a manual valve or an electromagnetic valve. When the filling operation is carried out, the control valve 2.4 is opened to enable the heat insulation material in the material tank 2.2 to be automatically scattered into the bearing shell 5, and meanwhile, the guide slide seat 4 and the bearing shell 5 can be driven by the reciprocating mechanism 3 to integrally reciprocate, so that the heat insulation material can be uniformly scattered into the bearing shell 5 until the heat insulation material is fully paved.

As a preferred embodiment, the reciprocating mechanism 3 comprises a driving motor 3.1 arranged on the feeding table 1, the driving motor 3.1 is connected with a transmission screw rod 3.2, a screw seat 3.3 is sleeved on the transmission screw rod 3.2 in a threaded manner, a guide slide rod 3.4 penetrates through the screw seat 3.3 in a movable manner, two ends of the guide slide rod 3.4 are both connected with a fixing plate 3.5 fixed on the feeding table 1, the screw seat 3.3 is connected with a connecting rod 3.6, and the other end of the connecting rod 3.6 is connected with a guide slide seat 4. When bearing shell 5 is filled with the heat preservation material, start driving motor 3.1 and drive transmission lead screw 3.2 and rotate, because lead the restriction of slide bar 3.4, screw seat 3.3 can not rotate thereupon to turn into the linear motion of screw seat 3.3 with the rotary motion of transmission lead screw 3.2, at this moment screw seat 3.3 drive guide slide 4 and bear shell 5 and wholly move towards the burning furnace feed inlet direction, degree of automation is high.

It should be noted that the output shaft of the driving motor 3.1 needs to be capable of rotating forward and backward, and the rotating speed can be adjusted, so that the nut block 3.3 can move forward and backward at a low speed, and therefore the driving motor 3.1 can be a stepping motor or a servo motor. A stepper motor is an open-loop control element that converts electrical pulse signals into angular or linear displacements. In the non-overload condition, the rotation speed and stop position of the motor only depend on the frequency and pulse number of the pulse signal, and are not influenced by the load change, when the stepping driver receives a pulse signal, the stepping driver drives the stepping motor to rotate by a fixed angle in a set direction, namely a stepping angle, and the rotation of the stepping motor is operated by one step at the fixed angle. The angular displacement can be controlled by controlling the number of pulses, so that the aim of accurate positioning is fulfilled; meanwhile, the rotating speed and the rotating acceleration of the motor can be controlled by controlling the pulse frequency, so that the aim of speed regulation is fulfilled. The servo motor can control the speed and position accuracy accurately, and can convert the voltage signal into torque and rotating speed to drive a control object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity, starting voltage and the like, and can convert a received electric signal into angular displacement or angular speed on a motor shaft for output. The servo motor is divided into two categories of direct current servo motors and alternating current servo motors, and is mainly characterized in that when the signal voltage is zero, the signal voltage has no autorotation phenomenon, and the rotating speed is reduced at a constant speed along with the increase of the torque. The stepping motor and the servo motor can achieve the functions of forward and reverse rotation and speed regulation, and the use requirements are met.

As a preferred embodiment, be provided with first guide slide rail 6 on the material loading platform 1, first guide slide rail 6 is parallel with transmission lead screw 3.2, guide slide 4 slidable and connect on first guide slide rail 6, guide slide 4 and stably slide through first guide slide rail 6, reduce the wearing and tearing to material loading platform 1, guide slide 4 top and offer the holding tank 4.1 that is used for placing bearing shell 5, bearing shell 5 can design into arc casing or square casing here, holding tank 4.1 corresponds and designs into arc wall or square groove.

As a preferred embodiment, a material scraping mechanism 7 is arranged on the feeding table 1, and the material scraping mechanism 7 is used for scraping heat preservation materials overflowing from the bearing shell 5. Scraping mechanism 7 includes base 7.1, is provided with montant 7.2 on the base 7.1, and montant 7.2 top is provided with scraper blade 7.3, and scraper blade 7.3 is located directly over first guide rail 6, and scraper blade 7.3 bottom flushes with 5 tops of bearing shell. The feeding table 1 is provided with a second guide slide rail 8, wherein the second guide slide rail 8 is parallel to the first guide slide rail 6, the base 7.1 is slidably connected to the second guide slide rail 8, and the base 7.1 is connected with a telescopic cylinder 9 arranged on the feeding table 1. Two material leaking holes 1.1 which are respectively positioned at two sides of the first guide slide rail 6 are formed in the feeding platform 1, the scraper 7.3 is arranged in the material leaking hole 1.1 area, namely the reciprocating movement range of the scraper 7.3 is arranged in the material leaking hole 1.1 length area, and a material receiving box 10 is arranged below the material leaking hole 1.1.

When bearing shell 5 that is full of the insulation material slides along with leading slide 4 toward the firing furnace feed inlet direction, when sliding in scraping material mechanism 7 region, scrape the flitch and scrape the unnecessary insulation material that bearing shell 5 spills over, make insulation material flush with the upper surface of bearing shell 5, when scraping the material, telescoping cylinder 9 can drive base 7.1 and lead slide 8 on the second and reciprocate, thereby drive scraper blade 7.3 and scrape the material reciprocally, improve and scrape material efficiency, the insulation material that scrapes simultaneously spills again from the hourglass material hole 1.1 of first guide slide 6 both sides spills in the workbin 10, be convenient for retrieve and recycle, reduce extravagantly.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a material feeding unit for carborundum electrothermal element, its characterized in that, includes material loading platform (1), be provided with filler mechanism (2) and reciprocating motion mechanism (3) on material loading platform (1), reciprocating motion mechanism (3) are connected with and lead slide (4), it can slide on material loading platform (1) to lead slide (4), it is provided with bearing shell (5) that are located filler mechanism (2) below on slide (4) to lead, filler mechanism (2) are used for throwing in the heat preservation material to bearing shell (5).

2. The feeding device for the silicon carbide electrothermal element according to claim 1, wherein the filling mechanism (2) comprises a support frame (2.1) arranged on the feeding table (1), a material tank (2.2) for containing insulation material is arranged on the support frame (2.1), a discharge pipe (2.3) is arranged at the bottom of the material tank (2.2), and a control valve (2.4) is arranged on the discharge pipe (2.3).

3. The feeding device for the silicon carbide electrothermal elements according to claim 1, wherein the reciprocating mechanism (3) comprises a driving motor (3.1) arranged on the feeding table (1), the driving motor (3.1) is connected with a transmission lead screw (3.2), a screw base (3.3) is sleeved on the transmission lead screw (3.2) in a threaded manner, a guide sliding rod (3.4) is movably arranged through the screw base (3.3), two ends of the guide sliding rod (3.4) are connected with fixing plates (3.5) fixed on the feeding table (1), the screw base (3.3) is connected with a connecting rod (3.6), and the other end of the connecting rod (3.6) is connected with the guide sliding base (4).

4. The feeding device for the silicon carbide electrothermal element according to claim 3, wherein a first guide rail (6) is arranged on the feeding table (1), the first guide rail (6) is parallel to the transmission screw rod (3.2), the guide slide (4) is slidably connected to the first guide rail (6), and an accommodating groove (4.1) for accommodating the bearing shell (5) is formed in the top of the guide slide (4).

5. The feeding device for the silicon carbide electric heating element as claimed in claim 4, wherein a scraping mechanism (7) is arranged on the feeding table (1), and the scraping mechanism (7) is used for scraping the heat preservation materials overflowing from the bearing shell (5).

6. The feeding device for the silicon carbide electrothermal element according to claim 5, wherein the scraping mechanism (7) comprises a base (7.1), a vertical rod (7.2) is arranged on the base (7.1), a scraping plate (7.3) is arranged on the top of the vertical rod (7.2), the scraping plate (7.3) is positioned right above the first guide rail (6), and the bottom end of the scraping plate (7.3) is flush with the top end of the bearing shell (5).

7. The feeding device for the silicon carbide electrothermal element according to claim 6, wherein a second guide rail (8) is arranged on the feeding table (1), the base (7.1) is slidably connected to the second guide rail (8), and the base (7.1) is connected to a telescopic cylinder (9) arranged on the feeding table (1).

8. The feeding device for the silicon carbide electric heating element as claimed in claim 6 or 7, wherein the feeding table (1) is provided with two material leaking holes (1.1) respectively located at two sides of the first guide rail (6), the scraper (7.3) is arranged in the area of the material leaking holes (1.1), and a material receiving box (10) is arranged below the material leaking holes (1.1).