CN111729944A - Preheating pressure plate device and method for flattening circular saw blade - Google Patents
Preheating pressure plate device and method for flattening circular saw blade Download PDFInfo
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- CN111729944A CN111729944A CN202010631693.XA CN202010631693A CN111729944A CN 111729944 A CN111729944 A CN 111729944A CN 202010631693 A CN202010631693 A CN 202010631693A CN 111729944 A CN111729944 A CN 111729944A
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- circular saw
- saw blade
- flattening
- heating
- pressure plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
A preheating pressure plate device and a method for flattening a circular saw blade belong to the field of saw blades and can solve the problems of long heating time and large workload when the existing circular saw blade pressure plate is preheated; the heating member in every box portion all sets up independently, and the heating member passes the apron and connects the energy supply.
Description
Technical Field
The invention belongs to the field of saw blades, and particularly relates to a preheating pressure plate device and method for a flattening circular saw blade.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In the production process of the circular saw blade, an electric heating plate press needs to be used for flattening. At present electric heat plate press is at the in-process that uses, owing to need carry out extrusion work, need fix by extruded product at extruded in-process, but at fixed in-process, when the product received the extrusion, fixed unstable condition appeared in the fixed product is let easily to extruded dynamics. The preheating mode of the circular saw blade pressure plate in the actual production is that a cylindrical iron block with the same specification as the circular saw blade is heated, and the pressure plate is indirectly heated by the contact of the heated iron block and the pressure plate.
The inventor finds that the conventional preheating mode has the defects of low platen heating efficiency, long heating time, excessive manpower and time consumption for heating the platen each time and large workload.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a preheating pressing disc device and a preheating pressing disc method for a flattening circular saw blade, which can solve the problems of long heating time and large workload when the existing circular saw blade pressing disc is preheated.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the invention provides a preheating pressure plate device for flattening a circular saw blade, which comprises a pressure plate, a supporting frame, a heating element, a heat preservation layer and a cover plate, wherein the supporting frame is arranged on the top surface of the pressure plate and is provided with a plurality of cell parts, the heating element is arranged in each cell part, the cover plate is arranged on the top surface of the supporting frame, and the cover plate is connected with the pressure plate; the heating member in every box portion all sets up independently, and the heating member passes the apron and connects the energy supply.
In a second aspect, the technical scheme of the invention also provides a method for preheating a pressing plate for flattening the circular saw blade, the preheating pressing plate device for flattening the circular saw blade is used, the heating element is controlled by the control cabinet to heat the pressing plate, the heating temperature is up to the set temperature, and the temperature fluctuation of the pressing plate is not more than 10 ℃.
The technical scheme of the invention has the following beneficial effects:
1) in the invention, when the pressure plate is pressed, because the pressure plate is divided into a plurality of areas by a plurality of grid parts, the pressure plate is independently heated by independently arranged heating elements, so that the heat distribution is relatively balanced, and meanwhile, the heating speed can be rapidly improved by respectively and independently heating the plurality of heating elements.
2) In the invention, heat is transferred to the circular saw blade matrix in a heat conduction mode; in the preheating process, the preheating temperature is always controlled within the range of the metallographic phase of the saw blade without influence, and the subsequent or preorder heat treatment is not influenced in the temperature range, and meanwhile, the circular saw blade is convenient to flatten.
3) In the invention, the temperature sensor is arranged on the side surface of the pressure plate, so that the real-time temperature of the pressure plate can be measured, and the measured temperature is displayed on the display of the control cabinet, therefore, when the pressure plate is heated to the set temperature, the heating of the electric heating rope can be stopped in time through the temperature information obtained by the temperature sensor, and the process can be finished manually or automatically.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Figure 1 is a schematic diagram of a layered architecture according to one or more embodiments of the present invention,
figure 2 is a schematic elevation view of a platen according to one or more embodiments of the present invention,
FIG. 3 is a schematic diagram of a measurement system according to one or more embodiments of the invention.
In the figure: 1. temperature sensor, 2, electric heating rope, 3, pressure disk, 4, heat preservation, 5, apron, 6, carriage, 7, member, 8, shaft-like piece.
The spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, and for example, the terms "mounted," "connected," and "fixed" may be fixed, detachable, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
As introduced by the background art, the invention aims to provide a preheating platen device for a flat circular saw blade, which can solve the problems of long heating time and large workload when the existing circular saw blade platen is preheated.
Example 1
In a typical embodiment of the present invention, as shown in fig. 1, the present embodiment discloses a preheating platen 3 device for flattening a circular saw blade, the preheating platen 3 device for flattening a circular saw blade comprises a platen, a supporting frame 6, a heating element, a heat insulating layer 4 and a cover plate 5, the top surface of the platen is provided with the supporting frame 6, the supporting frame 6 is provided with a plurality of cell portions, each cell portion is provided with the heating element therein, the top surface of the supporting frame 6 is provided with the cover plate 5, and the cover plate 5 is connected to the platen; the heating elements in each grid part are independently arranged and penetrate through the cover plate 5 to be connected with a power supply source.
Heating member, pressure disk 3, heat preservation 4 and 5 layering settings of apron, and apron 5, heat preservation 4, carriage 6 and pressure disk 3 from the top down set gradually.
The device also comprises a temperature sensor 1, wherein the temperature sensor 1 is arranged on the pressure plate 3; the supporting frame 6 corresponding to each cellular part is provided with a temperature sensor 1. The temperature sensor 1 is mounted to the support frame 6 to measure the temperature of the triangular area of the platen 3.
It can be understood that the temperature sensor 1 in the present embodiment is connected to the display, and displays the measured temperature in time, it can be understood that the temperature sensor 1 measures the temperature of the pressure plate 3, and the pressure plate 3 can directly contact with the circular saw blade base body to transfer heat to the circular saw blade base body in a heat conduction manner; in the process of preheating, control preheating temperature all the time and control about 100 degrees centigrade, in this temperature interval, do not influence follow-up or preceding thermal treatment, according to the basic knowledge of metal thermal treatment, just can take place iron carbon alloy metal phase transition more than 450 degrees centigrade usually, and about 100 degrees centigrade, do not have the influence to the circular saw blade metallography that uses iron carbon alloy as the main material, but be favorable to the promotion of iron carbon alloy ductility, be convenient for flatten the circular saw blade.
The conventional temperature sensor 1 is generally classified into a contact type temperature sensor 1 and a non-contact type temperature sensor 1, and in the present embodiment, a patch temperature sensor 1 of the contact type temperature sensor 1 is used. In other embodiments, a non-contact temperature sensor 1 may also be used.
The support frame 6 includes a frame body located at the periphery, and a plurality of rod members located inside the frame body and distributed radially. The frame body is square, the inner end of the rod-shaped piece 8 is connected with the annular piece, and the outer end of the rod-shaped piece 8 is connected with the frame body. The outer ends of the rods 8 are connected to the frame at the midpoint of its sides, and to the corners of the frame.
More specifically, as shown in fig. 2, the grooves above the platen 3 are divided into 8 triangular areas; the platen 3 is square, and a rod-like member 8 is attached at the center thereof, and divides the platen 3 into 8 triangular regions from the center of the platen 3 to the four corners of the platen 3, and from the center of the platen 3 to the midpoints of the four sides of the platen 3.
In this embodiment, the platen 3 is partitioned by using the supporting frames 6, where the supporting frames 6 include a first supporting frame 6, a second supporting frame 6, a third supporting frame 6 and a fourth supporting frame 6, which are located on the periphery, and the first supporting frame 6, the second supporting frame 6, the third supporting frame 6 and the fourth supporting frame 6 are sequentially connected end to form a square frame body having the same size as the edge of the platen 3; the supporting frame 6 further comprises a first rod piece, a second rod piece, a third rod piece, a fourth rod piece, a fifth rod piece, a sixth rod piece, a seventh rod piece and an eighth rod piece, the inner ends of the first rod piece to the eighth rod piece are connected with the annular piece located at the center of the pressing plate 3, the outer end of the first rod piece is connected with the vertex of the first right angle, the outer end of the second rod piece is connected with the midpoint of the second supporting frame 6, the outer end of the third rod piece is connected with the vertex of the second right angle, the outer end of the fourth rod piece is connected with the midpoint of the third supporting frame 6, the outer end of the fifth rod piece is connected with the vertex of the third right angle, the outer end of the sixth rod piece is connected with the midpoint of the fourth supporting frame 6, the outer end of the seventh rod piece is connected with the vertex of the fourth right angle, and the.
Wherein, the bottom surface of the supporting frame 6 is closely attached or connected to the top surface of the pressure plate 3, in this embodiment, the supporting frame 6 is welded to the top surface of the pressure plate 3, in another embodiment, the supporting frame 6 can also be connected to the top surface of the pressure plate 3 by bolts or screws; in yet another embodiment, the support frame 6 is integrally formed with the platen 3.
It is to be understood that the triangular region of each support frame 6 is named as a cell portion in the present embodiment.
In this embodiment, the heating member is the heating rope, and the heating rope equipartition is in the box portion of each. The electric heating rope 2 in this embodiment is also called a rope-shaped ceramic electric heater or a crawler-type heater, and is suitable for preheating various metal components, and can work after being connected with a power supply.
Take a triangle region of pressure disk 3 as an example, lay electric heat rope 2 at the triangle region bottom of pressure disk 3 top surface, electric heat rope 2 evenly arranges in the triangle region that carriage 6 cut apart into, and electric heat rope 2 is insulating itself, the easy access loading and unloading.
It can be understood that in the 8 triangular areas, each triangular area is separately provided with the electric heating rope 2, that is, in this embodiment, 8 electric heating ropes 2 are required, and 8 electric heating ropes 2 can be respectively connected with respective power supplies and respectively controlled; in another embodiment, 8 electric heating ropes 2 can be connected with the same power supply and controlled by one power supply.
In this embodiment, as shown in fig. 2, the electric heating cords 2 are distributed in a triangular area in a zigzag pattern, and in another embodiment, the electric heating cords 2 may also be distributed in a spiral shape in a triangular area.
The heat preservation layer 4 is tiled above the electric heating rope 2 and filled with the grids of the pressure support frame 6 and sealed by the cover plate 5, and the heat preservation layer 4 plays a role in heat preservation and heat insulation and is convenient to overhaul, mount and dismount.
In this embodiment, the insulating layer 4 may be one or more selected from microporous calcium silicate, rigid polyurethane foam, and aluminum silicate refractory fiber, and may all be resistant to 100 ℃.
Still place the apron 5 that the one deck is used for fixing on the 6 top surfaces of carriage, apron 5 adopts screw thread fastening connection with pressure disk 3 to this forms airtight space, and the heating keeps warm and the outward appearance is pleasing to the eye, the easy access loading and unloading of being convenient for.
The outer side of the edge of the pressure plate 3 is connected with wires, and holes can be formed in the cover plate 5 for connecting the wires.
When the temperature sensors 1 are placed, holes need to be drilled in the side face of the pressure plate 3, the specific positions are in the centers of the side faces of a triangular area, and 8 temperature sensors 1 are installed in total. The position of the supporting frame corresponding to each grid part is provided with a temperature sensor, namely each side edge of the square frame body is provided with 2 temperature sensors,
as shown in fig. 3, the present embodiment further includes a control cabinet, a power supply is disposed in the control cabinet for starting and stopping the heating element, and an ammeter, a voltmeter, and a temperature panel are disposed on a panel of the control cabinet for respectively displaying current, voltage, and temperature of the platen 3; it can be understood that the ammeter and voltmeter of the control cabinet are connected with the power supply, and the temperature panel is connected with the temperature sensor 1 as a display.
The control cabinet controls the heating element to heat the pressure plate 3, the heating temperature is up to 100 ℃, the temperature of 100 ℃ is set as a temperature set value, and the temperature sensor 1 on the side surface of the pressure plate 3 is used for detecting the real-time temperature of the pressure plate 3 and displaying the real-time temperature on the temperature panel of the control cabinet; when the current and the voltage are overlarge or the temperature of the pressure plate 3 is overhigh and exceeds the set temperature value by more than 10 ℃, the relay is automatically powered off, and the whole device is subjected to overheat protection.
The heating element is controlled by the control cabinet to heat the pressure plate 3, the heating temperature is 100 ℃, the fluctuation of the temperature of the pressure plate 3 is not more than 10 ℃, and the temperature difference of the bottom surface of the whole pressure plate 3 is not more than 10 ℃;
because temperature sensor 1 sets up in pressure disk 3 side, it can measure pressure disk 3 real-time temperature to the temperature that will record shows on the display of switch board, consequently heat pressure disk 3 when setting for the temperature, the temperature information that can obtain through temperature sensor 1 stops in time that electric heat rope 2 heats, and this process can be accomplished by the manual work, also can automize and accomplish.
The heat preservation layer 4 is used for preserving the temperature of the pressure plate 3, the temperature loss speed is slowed down, when the temperature is lower than the lowest allowable temperature, the electric heating rope 2 starts to heat the pressure plate 3, the heating is stopped after the temperature is heated to the set temperature, and the temperature of the pressure plate 3 is maintained in the allowable temperature range in the circulation mode; when the temperature of the pressure plate 3 exceeds the allowable temperature, the current is abnormal and the voltage is abnormal, the relay is automatically powered off to protect the equipment.
When equipment overhauls, can dismantle apron 5, directly take out heat preservation 4 and electric heat rope 2, whole equipment convenient to use, maintenance are nimble, labour saving and time saving, the workman's operation of being convenient for can not produce too much influence to the processing production.
It should be understood that the cover plate 5 and the platen 3 are in an up-down configuration, which is used as a top-down orientation reference frame in this embodiment.
When the preheating platen 3 disclosed in this embodiment is used, the platen 3 is divided into a plurality of triangular regions to be heated respectively, so that the heat distribution is relatively balanced.
In addition, among the present preheating pressure disk 3, the long problem of ubiquitous heating time adopts a plurality of heating ropes to heat independently respectively in this embodiment, can improve rate of heating fast.
Example 2
In an exemplary embodiment of the present invention, example 2 provides a method of pre-heating a platen 3 for flattening a circular saw blade using the apparatus for pre-heating a platen 3 for flattening a circular saw blade as described in example 1, heated to a temperature of 100 ℃; when the current and the voltage are overlarge or the temperature of the pressure plate 3 is overhigh and exceeds the temperature set value (100 ℃) by more than 10 ℃, the relay automatically cuts off the power supply, and the whole set of device is subjected to overheat protection.
The heating element is controlled by the control cabinet to heat the pressure plate 3, the heating temperature is 100 ℃, the fluctuation of the temperature of the pressure plate 3 is not more than 10 ℃, and the temperature difference of the bottom surface of the whole pressure plate 3 is not more than 10 ℃.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 (10)
1. The preheating pressure plate device for flattening the circular saw blade is characterized by comprising a pressure plate, a supporting frame, a heating element, a heat insulation layer and a cover plate, wherein the supporting frame is arranged on the top surface of the pressure plate and is provided with a plurality of cell parts, the heating element is arranged in each cell part, the cover plate is arranged on the top surface of the supporting frame, and the cover plate is connected to the pressure plate; the heating member in every box portion all sets up independently, and the heating member passes the apron and connects the energy supply.
2. The pre-heated platen apparatus for flattening a circular saw blade as claimed in claim 1, wherein said support frame includes a frame body positioned at the periphery thereof and a plurality of radially extending bar members positioned within the frame body.
3. The pre-heated platen apparatus for flattening a circular saw blade according to claim 2, wherein said frame is square, said rod members are connected at their inner ends by a ring member, and at their outer ends by a frame member.
4. The pre-heated platen apparatus for flattening a circular saw blade as claimed in claim 3, wherein the outer ends of said bar members are connected to the frame at the midpoints of the sides thereof and at the corners thereof.
5. The pre-heated platen assembly for flattening a circular saw blade as claimed in claim 1, wherein said platen is square in shape.
6. The pre-heating platen apparatus for flattening a circular saw blade according to claim 1, wherein said heating members are heating cords, and the heating cords are uniformly distributed in each of the cells.
7. The pre-heated platen assembly for flattening a circular saw blade according to claim 6, wherein said heating cords extend through said cover plate and are connected to said control assembly.
8. The pre-heated platen assembly for flattening a circular saw blade according to claim 1, further comprising a temperature sensor mounted to said support frame; and a temperature sensor is arranged at the position of the supporting frame corresponding to each grid part.
9. A method for preheating a pressing plate for flattening a circular saw blade, which is characterized in that the preheating pressing plate device for flattening the circular saw blade as claimed in any one of claims 1 to 8 is used, a heating element is controlled by a control cabinet to heat the pressing plate to a set temperature, and the temperature of the pressing plate is not fluctuated by more than 10 ℃.
10. A method of pre-heating platens for flattening circular saw blades as claimed in claim 9, wherein said set temperature is 450 ℃ or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010631693.XA CN111729944A (en) | 2020-07-03 | 2020-07-03 | Preheating pressure plate device and method for flattening circular saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010631693.XA CN111729944A (en) | 2020-07-03 | 2020-07-03 | Preheating pressure plate device and method for flattening circular saw blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111729944A true CN111729944A (en) | 2020-10-02 |
Family
ID=72652792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010631693.XA Withdrawn CN111729944A (en) | 2020-07-03 | 2020-07-03 | Preheating pressure plate device and method for flattening circular saw blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111729944A (en) |
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2020
- 2020-07-03 CN CN202010631693.XA patent/CN111729944A/en not_active Withdrawn
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Application publication date: 20201002 |