CN209555298U - Induction coil is used in a kind of ball-screw surface hardening processing - Google Patents

Abstract

The utility model discloses a kind of ball-screw surface hardening processing induction coils, it include induction coil, insulation sleeve, separation sleeve, receiving electrode, water inlet pipe, drainpipe and connecting plate, induction coil is annular structure, channel is equipped in the inside of induction coil, it is equipped with the connecting plate being connected with receiving electrode at the bottom opening of induction coil, is additionally provided with separation sleeve between the connecting plate and receiving electrode；The connecting plate is hollow cavity structure, and internal cavity is connected with the channel inside induction coil, is respectively fixed in the lateral surface of connecting plate and communicates water inlet pipe and drainpipe with the channel；Insulation sleeve has receiving cavity, and induction coil is sheathed in insulation sleeve by receiving cavity, is positioned by insulation sleeve to lead screw, lead screw is prevented to be in contact with induction coil.Using induction coil described in the utility model, not only there is positioning action, moreover it is possible to solve induction coil and beat arc burning phenomenon, protect the safety of induction coil and workpiece, have good promotion and practical value.

Description

Induction coil is used in a kind of ball-screw surface hardening processing

Technical field

The utility model relates to quench induction coil technical field, at specifically a kind of ball-screw surface hardening Reason uses induction coil.

Background technique

Induction coil is a kind of usual means for obtaining alternation high pressure in industrial production with low-voltage DC, in ball-screw plus During work, induction hardening is an important step being heat-treated to it, thus induction coil is then heat treatment procedure Essential equipment.Its principle is that workpiece is put into induction coil, and induction coil is usually the sky for inputting intermediate frequency or high-frequency alternating current Heart copper pipe, generates the induced current that alternating magnetic field produces same frequency in workpiece, and this induced current is in the distribution of workpiece It is non-uniform, it is strong on surface, and it is very weak in inside, using this concentration effect, heat workpiece surface rapidly, in seconds Surface temperature rises to corresponding temperature, and the rapid water or the cooling of other media crossed makes workpiece surface harden after the completion of heating.

Using existing copper pipe mode as induction coil, since hollow copper tubing is easy to cause its inner hole to become after alternating bending Shape, cross section become smaller, and flow of cooling water is unsmooth, so as to cause copper pipe when heating is difficult to cooling and occurs burning phenomenon.In addition, work Part surface induction heating quenching is that the induction coil used the power on generates alternating magnetic field heating workpiece in short distance.Work as induction coil Closer apart from workpiece, electrical heating efficiency is higher.Therefore, it requires induction coil as far as possible close to workpiece in real work, but does not allow phase Mutually contact.In impewdance matching operating process, if induction coil encounters workpiece, arc discharge defective work piece or breakdown sense can be caused It should enclose.When existing quenching induction coil carries out quenching processing for ball-screw class workpiece, since workpiece is easy to swing, or even with Induction coil directly contacts, and also be easy to cause the scaling loss of workpiece in this way, and stability is poor, causes to quench not uniform enough, heating efficiency It is low, to influence product quality.Therefore, it is necessary to design a kind of induction coil of suitable ball-screw to solve asking for above-mentioned appearance Topic.

Utility model content

The problem of the technical problems to be solved in the utility model is for background technique, it is simple to provide a kind of structure Rationally, can not only positioning action be played to workpiece, moreover it is possible to solve induction coil and beat arc burning phenomenon, protect the peace of induction coil and workpiece Entirely, quenching efficiency is improved, while guaranteeing the quenching treatment induction coil of product processing quality, specifically a kind of ball wire Induction coil is used in thick stick surface hardening processing.

In order to solve the above technical problems, the technology employed by the present utility model is a kind of ball-screw surface hardening Processing induction coil, includes induction coil, insulation sleeve, separation sleeve, receiving electrode, water inlet pipe, drainpipe and connecting plate, the sense It should enclose as annular structure, be equipped with channel in the inside of the induction coil, opposite two at the bottom opening of the induction coil The connecting plate being connected with the receiving electrode is fixedly welded on inner wall, the connecting plate is distributed in symmetry status, in two institutes It states and is additionally provided with separation sleeve between connecting plate and receiving electrode；The connecting plate is hollow cavity structure, internal cavity and the sense Internal channel should be enclosed to be connected, be communicated with water inlet pipe and drainpipe the lateral surface of the connecting plate is fixed respectively, it is described into Water pipe and drainpipe are communicated with the channel by connecting plate；The insulation sleeve has receiving cavity, the length of the insulation sleeve Degree is less than the length of the induction coil, and the induction coil is sheathed in the insulation sleeve by the receiving cavity, by set The insulation sleeve set positions the lead screw being located inside induction coil, prevents the lead screw and the induction coil being located inside induction coil It is in contact.

Further, a kind of ball-screw surface hardening processing induction coil described in the utility model, wherein described Insulation sleeve is set as the hollow cavity structure with receiving cavity, is equipped on the inner wall of the insulation sleeve multiple equally distributed Quenching liquid outlet, is equipped with the interface tube communicated with the receiving cavity on the outer wall of the insulation sleeve, and the interface tube is logical Piping is connected with external quenching liquid.

Further, a kind of ball-screw surface hardening processing induction coil described in the utility model, wherein described Induction coil is prepared by rectangular-shaped copper sheet.

Further, a kind of ball-screw surface hardening processing induction coil described in the utility model, wherein described Insulation sleeve is set as three, and three insulation sleeves are annularly uniformly distributed, and the receiving cavity of the insulation sleeve is matched with the induction coil, The induction coil is sheathed in the receiving cavity of the insulation sleeve.

Further, a kind of ball-screw surface hardening processing induction coil described in the utility model, wherein described The composite material of the material selection heat resistance of insulation sleeve, the material of the separation sleeve are epoxy resin.

Using a kind of ball-screw surface hardening processing induction coil described in the utility model, due to the induction coil It is prepared using rectangular-shaped copper sheet, cross section can be avoided the problem that becomes smaller occur, and from passing through set water inlet pipe and draining Pipe, communicates the water inlet pipe and drainpipe with the channel by connecting plate, and effective water cooling can be carried out to lead screw, Effectively avoiding lead screw there is the phenomenon that scaling loss；In addition, due to being additionally provided with insulation sleeve, the material selection of the insulation sleeve is resistance to Hot composite material makes it have higher mechanical performance and dielectric properties, not only can be right by set insulation sleeve Lead screw inside induction coil is positioned, and the lead screw being located inside induction coil is also prevented to be in contact with the induction coil；When After receiving electrode is powered, induction coil generates alternating magnetic field, can carry out heat treatment process to lead screw.Meanwhile the insulation sleeve is set as Hollow cavity structure with receiving cavity is equipped with multiple equally distributed quenching liquid discharges on the inner wall of the insulation sleeve Mouthful, the interface tube communicated with the receiving cavity is equipped on the outer wall of the insulation sleeve, the interface tube is by pipeline and outside The quenching liquid in portion is connected.By set quenching liquid outlet, after terminating to lead screw heating, quenching can also be utilized Liquid is connect by pipeline with interface tube, and external quenching liquid is cooled down by the raceway position that quenching liquid outlet sprays to lead screw, It can be further improved quenching efficiency in this way.Using induction coil described in the utility model, have simple and reasonable, not only may be used Positioning action is played to workpiece, moreover it is possible to solve induction coil appearance and beat arc burning phenomenon, protect the safety of induction coil and workpiece, improve The features such as quenching efficiency, while guaranteeing the processing quality of product, operation and easy to use, low manufacture cost, there is good popularization And practical value.

Detailed description of the invention

The utility model is described in further detail with reference to the accompanying drawing.

Fig. 1 is the structural schematic diagram of the utility model.

It is as shown in the figure: 1- induction coil, the channel 11-, 2- insulation sleeve, 21- quenching liquid outlet, 22- interface tube, 3- isolation Set, 4- receiving electrode, 5- water inlet pipe, 6- drainpipe, 7- connecting plate, 8- lead screw.

Specific embodiment

As shown in Figure 1, a kind of ball-screw surface hardening processing induction coil, including thoughts described in the utility model 1, insulation sleeve 2, separation sleeve 3, receiving electrode 4, water inlet pipe 5, drainpipe 6 and connecting plate 7 should be enclosed, the induction coil 1 is circular knot Structure is equipped with channel 11 in the inside of the induction coil 1, solid on opposite two inner walls at the bottom opening of the induction coil 1 Surely it is welded with the connecting plate 7 being connected with the receiving electrode 4, the connecting plate 7 is distributed in symmetry status, in two connecting plates Separation sleeve 3 is additionally provided between 7 and receiving electrode 4；The connecting plate 7 is hollow cavity structure, internal cavity and the induction coil 1 Internal channel 11 is connected, and is communicated with water inlet pipe 5 and drainpipe 6 the lateral surface of the connecting plate 7 is fixed respectively, it is described into Water pipe 5 and drainpipe 6 are communicated with the channel 11 by connecting plate 7；The insulation sleeve 2 has receiving cavity, the insulation The length of set 2 is less than the length of the induction coil 1, and the induction coil 1 is sheathed on the insulation sleeve 2 by the receiving cavity In, the lead screw 8 being located inside induction coil 1 is positioned by set insulation sleeve 2, prevents from being located inside induction coil 1 Lead screw 8 is in contact with the induction coil 1.

Further, a kind of ball-screw surface hardening processing induction coil described in the utility model, wherein described Insulation sleeve 2 is set as the hollow cavity structure with receiving cavity, and multiple be uniformly distributed is equipped on the inner wall of the insulation sleeve 2 Quenching liquid outlet 21, the interface tube 22 that communicates with the receiving cavity, the pipe are equipped on the outer wall of the insulation sleeve 2 Interface 22 is connected by pipeline with external quenching liquid.

Further, a kind of ball-screw surface hardening processing induction coil described in the utility model, wherein described Induction coil 1 is prepared by rectangular-shaped copper sheet.

Further, a kind of ball-screw surface hardening processing induction coil described in the utility model, wherein described Insulation sleeve 2 is set as three, and three insulation sleeves 2 are annularly uniformly distributed, the receiving cavity of the insulation sleeve 2 and the induction coil 1 Match, the induction coil 1 is sheathed in the receiving cavity of the insulation sleeve 2.

Further, a kind of ball-screw surface hardening processing induction coil described in the utility model, wherein described The material of insulation sleeve 2 and separation sleeve 3 is epoxy resin.

In actual use, using a kind of ball-screw surface hardening processing line of induction described in the utility model Circle can avoid cross section from the problem that becomes smaller occur, and pass through institute since the induction coil 1 is prepared using rectangular-shaped copper sheet The water inlet pipe 5 and drainpipe 6 of setting communicate the water inlet pipe 5 and drainpipe 6 with the channel 11 by connecting plate 7, energy It is enough that effective water cooling is carried out to lead screw 8, it effectively avoids lead screw 8 and the phenomenon that scaling loss occurs；In addition, due to being additionally provided with absolutely Edge set 2, the composite material of the material selection heat resistance of the insulation sleeve 2 makes it have higher mechanical performance and dielectric properties, The lead screw 8 being located inside induction coil 1 can not only be positioned by set insulation sleeve 2, also prevent from being located at induction coil 1 Internal lead screw 8 is in contact with the induction coil 1；After receiving electrode 4 is powered, induction coil 1 generates alternating magnetic field, can be to lead screw 8 Carry out heat treatment process.Meanwhile the insulation sleeve 2 is set as the hollow cavity structure with receiving cavity, in the insulation sleeve 2 Inner wall be equipped with multiple equally distributed quenching liquid outlets 21, on the outer wall of the insulation sleeve 2 be equipped with and the receiving The interface tube 22 that cavity communicates, the interface tube 22 are connected by pipeline with external quenching liquid.Pass through set quenching Liquid outlet 21 can also be connect by pipeline with interface tube 22 after terminating to the heating of lead screw 8 using quenching liquid, external Quenching liquid cooled down by the raceway position that quenching liquid outlet 21 sprays to lead screw 8, can be further improved quenching efficiency in this way.

In conclusion using induction coil described in the utility model, have simple and reasonable, workpiece can not only be risen To positioning action, moreover it is possible to solve induction coil appearance and beat arc burning phenomenon, protect the safety of induction coil and workpiece, improve quenching effect The features such as rate, while guaranteeing the processing quality of product, operation and easy to use, low manufacture cost, has and promotes well and practical Value.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention, within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of ball-screw surface hardening processing induction coil, it is characterised in that: include induction coil (1), insulation sleeve (2), separation sleeve (3), receiving electrode (4), water inlet pipe (5), drainpipe (6) and connecting plate (7), the induction coil (1) are annular shape Structure is equipped with channel (11) in the inside of the induction coil (1), in opposite two at the bottom opening of the induction coil (1) The connecting plate (7) being connected with the receiving electrode (4) is fixedly welded on wall, the connecting plate (7) is distributed in symmetry status, In Separation sleeve (3) are additionally provided between two connecting plates (7) and receiving electrode (4)；The connecting plate (7) is hollow cavity structure, Its internal cavity channel (11) internal with the induction coil (1) is connected, and fixes respectively in the lateral surface of the connecting plate (7) Be communicated with water inlet pipe (5) and drainpipe (6), the water inlet pipe (5) and drainpipe (6) by connecting plate (7) with the channel (11) it communicates；The insulation sleeve (2) has receiving cavity, and the length of the insulation sleeve (2) is less than the length of the induction coil (1) Degree, the induction coil (1) is sheathed in the insulation sleeve (2) by the receiving cavity, right by set insulation sleeve (2) The lead screw (8) internal positioned at induction coil (1) is positioned, and prevents from being located at induction coil (1) internal lead screw (8) and the induction coil (1) it is in contact.

2. a kind of ball-screw surface hardening processing induction coil according to claim 1, it is characterised in that: described exhausted Edge set (2) is set as the hollow cavity structure with receiving cavity, and multiple uniform points are equipped on the inner wall of the insulation sleeve (2) The quenching liquid outlet (21) of cloth is equipped with the interface tube communicated with the receiving cavity on the outer wall of the insulation sleeve (2) (22), the interface tube (22) is connected by pipeline with external quenching liquid.

3. a kind of ball-screw surface hardening processing induction coil according to claim 1, it is characterised in that: the sense (1) should be enclosed to be prepared by rectangular-shaped copper sheet.

4. a kind of ball-screw surface hardening processing induction coil according to claim 1, it is characterised in that: described exhausted Edge set (2) is set as three, and three insulation sleeves (2) are annularly uniformly distributed, the receiving cavity and the induction of the insulation sleeve (2) Circle (1) matches, and the induction coil (1) is sheathed in the receiving cavity of the insulation sleeve (2).

5. a kind of ball-screw surface hardening processing induction coil according to claim 1, it is characterised in that: described exhausted The material of the composite material of the material selection heat resistance of edge set (2), the separation sleeve (3) is epoxy resin.