TWI551194B - Bearing heater - Google Patents

Description

Bearing heater

The invention provides a heater, in particular to a bearing heater provided with a multi-layer size specification and a bearing of different sizes for heat treatment.

A conventional ring-shaped accessory heater 1, as shown in FIG. 1, includes a magnetic conductive group 12, an operation panel 13, and a heating control device disposed in the machine 11 The heating control device 14 is electrically connected to the operation panel 13 and the magnetic conductive group 12 respectively. The magnetic conductive group 12 is provided with a plurality of magnetic conductive components 121, wherein the magnetic conductive component 121 is provided with, for example, an annular bearing 15 The shaft hole 151 of the workpiece is disposed, and the heating temperature and time of the magnetic bearing group 12 for the annular bearing 15 are set through the operation panel 13. The magnetic conductive group 12 utilizes the principle of electromagnetic eddy current sensing when the magnetic conductive group 12 An alternating current is formed after the energization, and an alternating magnetic field is generated around the magnetic conductive group 12, and the annular bearing 15 generates an induced electromotive force on the magnetic conductive element 121, and the surface of the annular bearing 15 is formed as an induction. The current, that is, the eddy current, the eddy current on the surface of the annular bearing 15 is converted into thermal energy by the electric resistance, and the annular bearing 15 is heated and thermally expanded by the principle of thermal expansion and contraction, and the annular bearing 15 generates the required tolerance size gap for processing; Therefore, since the magnetic conductive element 121 is of a fixed size, the shaft hole 151 of the annular bearing 15 must be larger than the magnetic conductive element 121 to pass through the magnetic conductive element 121, and have a shaft hole 151 for the annular bearing 15 of different sizes. The limitation of the aperture is that the annular bearing 15 which is small with respect to the shaft hole 151 cannot be heat-treated, and therefore, the annular fitting heater 1 has a lack of heat treatment for the annular bearing 15 which cannot correspond to various sizes.
In view of this, the present inventors have devoted themselves to research and in combination with what has been learned, and in view of the above problems, a bearing heater has been proposed to overcome the conventional deficiency.

The invention solves the problem that the conventional ring fitting heater has heat treatment for the workpiece which cannot correspond to the bearing of a plurality of different size specifications, and thus the invention provides a bearing heater which is heated by the bearing using the frequency induction technology of the audio induction principle. The heater can work in an optimal state, and the thermal efficiency of energy conversion can achieve high-efficiency induction heating to solve the large bearing with small aperture, and the heater is provided with a tapered layer and the external portion is formed by a plurality of steps. A conical heating seat is provided for the shaft holes of a plurality of different size bearings to be respectively sleeved on the heating seat and heated.
In order to achieve the above object, the present invention adopts the following technical solutions:
The invention relates to a bearing heater, comprising a machine table, a control circuit board is arranged on one side of the machine table, and a heating circuit board electrically connected to the control circuit board is arranged in the machine table; a heating seat, the heating seat comprises a heating base a socket corresponding to the slot and disposed on the machine, and a sleeve seat fixed to the bracket and fixed to the platform, the heating base is electrically connected to the heating circuit board; The utility model is characterized in that the heating seat is provided with a conical shape formed by a narrow and wide width and an external stepped shape, and can be sleeved and heat-treated separately for a plurality of bearing shafts of different size specifications.
The present invention can achieve the following advantages by the above technology:
According to the invention, the outer part of the sleeve seat of the heating seat is arranged in a plurality of stepped shaft holes for bearing, and the shaft sleeve of the ferrite is inductively heated with the induction coil of the outer sleeve of the socket. After passing the power supply, quickly heat the bearings of different sizes and sizes.
The heating seat of the present invention is formed into a conical shape formed by a narrow upper and a lower width and having a plurality of external steps, or an inverted conical shape formed by a wide upper and lower width and a plurality of internal steps, and is matched with a metric or an inch size or The size setting of the male and female mixed specifications is applicable to the bearing heat treatment of a variety of different size specifications.
In order to give the review board members a better understanding and understanding of the structural features and the efficacies of the present invention, please refer to the preferred embodiment diagrams and the detailed descriptions as follows:

(known)
1‧‧‧Ring accessory heater
11‧‧‧ machine
12‧‧‧Magnetic group
121‧‧‧Magnetic components
13‧‧‧Operator panel
14‧‧‧heating control unit
15‧‧‧ ring bearing
151‧‧‧Axis hole
(this invention)
2‧‧‧ bearing heater
3‧‧‧ machine
31‧‧‧ socket
310‧‧ ‧ room
311‧‧‧ first concave layer
312‧‧‧ second concave layer
313‧‧‧Fixed holes
314‧‧‧ notch
33‧‧‧Control circuit board
34‧‧‧Control panel
341‧‧‧Digital display area
342‧‧‧Time Control Area
343‧‧‧temperature control zone
344‧‧‧ Temperature holding area
35‧‧‧heated circuit board
4‧‧‧ 承座
40‧‧‧垣
401‧‧‧Perforation
402‧‧‧ gap
41‧‧‧ convex steps
411‧‧‧ hole
42‧‧‧Induction coil
421‧‧‧ copper coil
422‧‧‧Insulation
5‧‧‧ shaft seat
51‧‧‧ fixed body
510‧‧‧ concave
511‧‧‧ buried hole
512‧‧‧Fixed parts
52‧‧‧ bushings
521‧‧‧Stepped
53‧‧‧Conical space
6‧‧‧heating seat
7‧‧‧ socket
71‧‧‧垣
711‧‧‧Perforation
712‧‧‧Fixed components
72‧‧‧ screw holes
73‧‧‧ accommodating slots
731‧‧‧ hole
74‧‧‧Induction coil
741‧‧‧ copper coil
742‧‧‧Insulation
8‧‧‧ shaft seat
81‧‧‧ fixed body
811‧‧‧through holes
812‧‧‧ screw
82‧‧‧ bushings
83‧‧‧Stepped
D‧‧‧ bearing
D1‧‧‧ shaft hole
D2‧‧‧ outer ring

Figure 1: is a perspective view of a conventional ring fitting heater.
Fig. 2 is an exploded perspective view showing the first preferred embodiment of the bearing heater of the present invention.
Figure 3-1: is a three-dimensional combination of the bearing heater of Figure 2.
Figure 3-2: Schematic diagram of the heating of the bearings of different sizes and dimensions of the workpiece in section 3-1 at the AA position.
Figure 3-3: is a cross-sectional view of the 3-2 diagram at the BB position.
Figure 4 is a perspective exploded view of a second preferred embodiment of the bearing heater of the present invention.
Fig. 5 is a schematic view showing the heating of the bearing of different size specifications of the combined cross-section and pre-machined workpiece of Fig. 4.

The detailed description and technical contents of the present invention will now be described as follows:
Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.
The bearing heater 2 of the present invention is provided in two aspects. Referring to the first preferred embodiment of the bearing heater 2 shown in Figures 2 to 3-3, the bearing heater 2 comprises:
A machine table 3 is disposed inside the machine table 3, and a receiving seat 31 is formed on a side of the machine table 3. The inner periphery of the receiving base 31 is provided with a hierarchical structure from top to bottom. The first concave layer 311 and the second concave layer 312 are provided with a plurality of fixing holes 313 on the second concave layer 312 and a notch 314 communicating with the chamber 310 at a central position. The machine table 3 is far away. A control circuit board 33 is disposed on one side of the socket 31, and a control panel 34 electrically connected to the control circuit board 33 is disposed at the front end. The control panel 34 is provided with a digital display area 341 of set values and actual values. a time control area 342, a temperature control area 343 and a temperature holding area 344, and the control circuit board 33 has the functions of automatically degaussing after each heating cycle and emitting an audible warning signal at the end of each heating cycle, and a heating circuit board 35 electrically connected to the control circuit board 33 and the control panel 34 is disposed inside the chamber 310 of the machine 3;
a heating seat 6, the heating seat 6 is provided with a conical shape formed by a narrow bottom and a wide outer portion and having a plurality of steps. The heating base 6 includes a pair of sockets 4 which are notched 314 and are disposed on the machine table 3. And a sleeve seat 5 fixed to the base 4 and fixed to the machine base 3; wherein the bottom end of the socket 4 is provided with a tenon 40, and the tenon 40 is provided with a plurality of perforations 401. And a plurality of notches 402 adjacent to the plurality of through holes 401 corresponding to the fixing holes 313, and the notches 40 are disposed on the second concave layer 312 of the machine table 3 and corresponding to the notches 314, the socket 4 A convex step 41 is disposed above the tenon 40. The convex step 41 is provided with two holes 411. The upper portion of the socket 4 is formed into a conical shape with a narrow upper and a lower width, and an outer circumference of the socket 4 is provided with an induction coil 42. The induction coil 42 is a copper coil 421 which is covered with a heat insulating layer 422 and is wound around the outside of the socket 4 (in conjunction with Figures 3-2 and 3-3), and respectively penetrates the holes. 411 and through the notch 314 into the chamber 310 and electrically connected to the heating circuit board 35;
The sleeve sleeve 5 is made of a ferrite. The sleeve sleeve 5 is provided with a fixing body 51 and a sleeve 52 protruding from the fixing body 51. The bottom surface of the fixing body 51 is concavely provided with a concave surface 510. The boss 41 of the socket 4 is disposed, and the socket 4 is pressed and fixed by the fixing body 51. The fixing body 51 is provided with a plurality of buried holes 511 corresponding to the notches 402, for example, by a plurality of screws. The fixing members 512 are respectively inserted into the buried holes 511, the notches 402, and the fixing holes 313 fixed to the machine table 3. The sleeve 52 is disposed to be narrow and wide, and the outer portion is formed in a plurality of steps 521. The conical shape is formed with a conical space 53 formed in the interior of the conical seat 4.
The present invention is composed of the foregoing components. The bearing heater 2 adopts an audio sensing principle, and the heating temperature and time are set by the control panel 34, and the induction heating is generated by the induction coil 42 and the ferrite sleeve 5. (In conjunction with Fig. 3-2), after the power is turned on, the shaft holes d1 of the plurality of different sizes of the bearings D can be quickly sleeved on the stepped shape 521 of the sleeve 52 for heat treatment. The shaft hole d1 of the bushing 52 and the bearing D can be set to a metric or inch size or a metric standard, and can be heated to the shaft hole d1 of the bearing D of a plurality of different sizes.
The second preferred embodiment of the bearing heater 2 of the present invention, as shown in Figures 4 and 5, is substantially the same as the first preferred embodiment, and includes a machine table 3 and a set fixed to the machine. The heating seat 6 on the table 3.
The difference is that the heating base 6 can be provided with an inverted conical shape formed by being wide and narrow and having a plurality of steps inside. The heating base 6 includes a pair of notches 314 and is fixed to the machine table 3. a socket 7 and a sleeve seat 8 fixed inside the socket 4; wherein the machine table 3 is set to be shown in FIG. 2, and the chamber 310 inside the machine table 3 is provided with the control The circuit board 33 is electrically connected to the heating circuit board 35, the machine 3 is provided with a plurality of fixing holes 313 on one side thereof and a notch 314 communicating with the chamber 310 at a central position;
The bottom of the socket 7 of the heating base 6 is provided with a tenon 71. The tenon 71 is provided with a plurality of through holes 711. The plurality of fixing elements 712 are inserted into the through holes 711 and fixed in the plurality of fixing elements 712. The fixing hole 313 is disposed in the notch 314, and the upper portion of the socket 7 is formed into an inverted conical shape with an upper width and a lower width. The top end of the socket 7 is provided with a plurality of screw holes 72, and the socket 7 is internally provided with an upper width. The bottom of the accommodating groove 73 is provided with a hole 731 communicating with the notch 314, and an inner side of the accommodating groove 73 is surrounded by an induction coil 74. The copper coil 741 of the heat insulating layer 742 is wound inside the accommodating groove 73 of the socket 7 and penetrates into the holes 731 and through the notch 314 into the cavity 310 and forms with the heating circuit board 35. Electrical connection
The sleeve seat 8 of the heating base 6 is made of ferrite. The sleeve seat 8 is provided with a fixing body 81 and a sleeve 82 protruding from the fixing body 81. The fixing body 81 is provided correspondingly. The plurality of through holes 811 of the screw holes 72 are inserted into the through holes 811 and fixed in the screw holes 72 of the socket 7 by a plurality of screws 812. The sleeve 82 is disposed wide and narrow and has an internal setting. The inverted conical shape formed by the plurality of stepped shapes 83 is sleeved with the receiving groove 73 of the inverted conical socket 7; thereby, the second preferred embodiment can also achieve the first preferred embodiment. The same benefits and advantages.
In the foregoing component combination of the second embodiment of the present invention, the outer ring d2 of the pre-machined workpiece and the bearing D of different size specifications is disposed on the stepped shape 83 formed by the sleeve 82, and the induction coil 74 and the ferrite are utilized. The bushing seat 8 generates induction heating. When the power is turned on, the bearing D of a plurality of different sizes can be quickly heated, and the outer ring d2 of the bushing 82 and the bearing D can be set to a metric or an inch size. Or the size of the male and female mixed specifications, and the outer ring d2 of the bearing D of a plurality of different size specifications is applied and heated.
The present invention has been described in terms of the preferred embodiments described above, and is not intended to limit the scope of the invention. Equivalent changes and modifications of the technical features and spirits of the present invention should be included in the scope of the present invention.

Domestic registration information [please note according to the registration authority, date, number order]

Foreign deposit information [please note according to the country, organization, date, number order]

2‧‧‧ bearing heater

3‧‧‧ machine

31‧‧‧ socket

310‧‧ ‧ room

311‧‧‧ first concave layer

312‧‧‧ second concave layer

313‧‧‧Fixed holes

314‧‧‧ notch

33‧‧‧Control circuit board

34‧‧‧Control panel

341‧‧‧Digital display area

342‧‧‧Time Control Area

343‧‧‧temperature control zone

344‧‧‧ Temperature holding area

35‧‧‧heated circuit board

4‧‧‧ 承座

40‧‧‧垣

401‧‧‧Perforation

402‧‧‧ gap

41‧‧‧ convex steps

411‧‧‧ hole

42‧‧‧Induction coil

5‧‧‧ shaft seat

51‧‧‧ fixed body

511‧‧‧ buried hole

512‧‧‧Fixed parts

52‧‧‧ bushings

521‧‧‧Stepped

6‧‧‧heating seat

Claims (8)

A bearing heater, which adopts a frequency induction technology of a frequency induction technology, includes a machine having a chamber inside, and a side of the machine is provided with a slot communicating with the chamber, a control panel having a control circuit board extending from a side of the slot away from the slot, the housing of the machine is provided with a heating circuit board electrically connected to the control panel and the control circuit board; a heating seat is disposed on the machine table and electrically connected to the heating circuit board; and the heating seat is provided with a conical shape formed by a narrow and wide width and an external stepped shape. The utility model comprises a socket disposed on the machine platform and corresponding to the slot, and a sleeve seat fixedly fixed to the machine frame by pressing and fixing the socket; wherein the upper and lower wide cones are formed above the socket Forming an induction coil electrically connected to the heating circuit board on the outer side of the socket; a fixing body is arranged on the bottom of the sleeve seat to press and fix the socket and is fixed on the machine board, and an extension is provided a bushing above the fixed body, The sleeve is provided with a conical shape which is narrow and wide and has an outer stepped shape. The inside of the sleeve is provided with a conical space for the conical sleeve to be provided for a plurality of bearing shafts of different sizes. Set and heat up. The bearing heater of claim 1, wherein the induction coil is a copper coil with a heat-insulating layer and two wires are wound around the outside of the socket; wherein the induction coil is inductively heated. The sleeve material is set to ferrite. The bearing heater according to claim 2, wherein a receiving seat is arranged above one side of the machine, and a first concave layer and a first layer are arranged from the top to the bottom of the receiving seat. a second concave layer, wherein the second concave layer is provided with a plurality of fixing holes; wherein the bottom end of the socket is provided with a tenon, the tenon is provided with a plurality of perforations and a plurality of adjacent perforations and corresponding a notch of the fixing hole, and the notch is disposed on the second concave layer of the machine and disposed on the notch. The convex portion of the bearing is extended with a convex step, and the convex step has two holes for the The induction coils are respectively inserted into and through the slots into the housing and electrically connected to the heating circuit board; wherein the bottom of the fixing body of the sleeve seat is concavely provided with a concave surface for the convex step of the socket to be set The fixing body is provided with a plurality of buried holes corresponding to the notches, and the plurality of fixing holes are respectively inserted into the buried holes, the notches and the fixing holes fixed in the machine. The bearing heater according to the first aspect of the invention, wherein the bushing is of a metric or imperial specification or a metric combination of a male and a British. A bearing heater, which adopts a frequency induction technology of a frequency induction technology, includes a machine having a chamber inside, and a side of the machine is provided with a slot communicating with the chamber, a control panel having a control circuit board extending from a side of the slot away from the slot, the housing of the machine is provided with a heating circuit board electrically connected to the control panel and the control circuit board; a heating seat is disposed on the machine and electrically connected to the heating circuit board; and the heating seat is configured to have an inverted conical shape formed by being wide and narrow, and having a plurality of steps inside. The heating base includes a pair of sockets that should be notched and fixed to the machine, and a sleeve seat disposed inside the socket and fixed thereto; wherein the upper portion of the socket is an inverted conical shape with an upper width and a lower width, and the socket is internally provided with a receiving groove having a width and a width, the receiving groove An induction coil electrically connected to the heating circuit board is disposed on the inner side; the sleeve seat is provided with a fixing body and a sleeve protrudingly disposed below the fixing body, the sleeve is formed to be wide and narrow and the interior is set The inverted conical shape formed by a plurality of steps can be sleeved and heated separately for the outer rings of a plurality of different size bearings. The bearing heater of claim 5, wherein the bottom end of the socket is provided with a tenon, the tenon is provided with a plurality of perforations, and the perforations are respectively inserted through the plurality of fixing elements and fixed The fixing holes of the machine are disposed in the slot, and the top end of the socket is provided with a plurality of screw holes, and the bottom end of the receiving slot is provided with two holes communicating with the slot. The induction coils are respectively inserted into the machine table and electrically connected to the heating circuit board; wherein a fixed body is disposed above the sleeve seat, and the fixing body is provided with a plurality of through holes corresponding to the screw holes of the socket The holes are respectively inserted into the through holes through a plurality of screws and fixed in the screw holes. The bearing heater according to claim 5, wherein the bushing is of a metric or imperial specification or a metric combination of a male and a British. The bearing heater according to claim 1 or 5, wherein the control panel is provided with a digital display area of a set value and an actual value, a time control area, a temperature control area and a temperature holding area.