CN217985443U - High-frequency heater for drill bit machining - Google Patents

Abstract

The utility model discloses a high-frequency heater for drill bit processing, which comprises a heater host and a positioning and clamping mechanism; a heater main unit: the middle part of the right side surface of the heater is provided with a coil, the lower end of the front side surface of the heater host is provided with a PLC (programmable logic controller), the right side of the upper surface of the heater host is provided with a fixed seat, the input end of the PLC controller is electrically connected with an external power supply, the input end of the heater host is electrically connected with the output end of the PLC controller, and the output end of the heater host is electrically connected with the input end of the coil; positioning and clamping mechanism: including the centre gripping arm, centre gripping arm quantity is two, and two centre gripping arms all rotate through the second pivot to be connected in the through-hole that the fixing base lower surface right side was seted up, and the right-hand member of centre gripping arm presss from both sides mouthful and corresponds with the central upper and lower position of coil, and this high frequency heating ware for drill bit processing can fix the drill bit in the center department of coil, guarantees that the lower extreme of drill bit can the even heating, improves the quality of drill bit production.

Description

High-frequency heater for drill bit machining

Technical Field

The utility model relates to a drill bit processing technology field specifically is a high frequency heating ware is used in drill bit processing.

Background

The drill bit is generally a tool for drilling, such as a rock drill, a twist drill, and the like, because the drill bit is generally used for drilling metal or rock, there is a high requirement for the strength of the drill bit, the drill bit needs to be quenched after the drill bit is produced, machined and formed, so as to improve the hardness of the drill bit, during quenching, the drill bit needs to be heated to a certain temperature and then naturally cooled or rapidly cooled in cooling oil, along with the development of technology, a high-frequency heater starts to replace a traditional heating furnace for heating, in the prior art, the high-frequency heater mainly comprises a main machine and a coil, when the drill bit is heated, an operator needs to insert the drill bit into the coil by using an external tool, a high-speed changing magnetic field is generated inside the coil of the high-frequency heater to heat the drill bit, so that the traditional high-frequency heater can heat the drill bit, the operator needs to manually insert the drill bit into the coil, the drill bit during the heating of the drill bit, the operator needs to heat the drill bit all the drill bit, the work burden of the operator is heavy, and the operator cannot hold the drill bit without shaking, the drill bit can not be fixed at the lower end of the drill bit, and the drill bit, so that the drill bit cannot be heated by the drill bit, and the drill bit can not be uniformly heated.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a high frequency heating ware is used in drill bit processing, can fix the drill bit in the center department of coil, guarantee that the lower extreme of drill bit can the even heating, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a high-frequency heater for drill bit processing comprises a heater host and a positioning and clamping mechanism;

a heater main unit: the middle part of the right side surface of the heater is provided with a coil, the lower end of the front side surface of the heater host is provided with a PLC (programmable logic controller), the right side of the upper surface of the heater host is provided with a fixed seat, the input end of the PLC controller is electrically connected with an external power supply, the input end of the heater host is electrically connected with the output end of the PLC controller, and the output end of the heater host is electrically connected with the input end of the coil;

positioning and clamping mechanism: including the centre gripping arm, centre gripping arm quantity is two, and two centre gripping arms all rotate through the second pivot to be connected in the through-hole that the fixing base lower surface right side was seted up, and the right-hand member of centre gripping arm presss from both sides mouthful and the central upper and lower position of coil corresponds, can realize the intelligent control heating of drill bit, alleviates operator's work burden, simultaneously, can fix the drill bit in the center department of coil, guarantees that the lower extreme of drill bit can the even heating, improves the quality of drill bit production.

Furthermore, the positioning and clamping mechanism further comprises a push block, a first rotating shaft and a driving arm, the upper end of the second rotating shaft penetrates through the through holes respectively, the driving arm is fixedly sleeved at the upper end of the outer arc surface of the second rotating shaft respectively, the first rotating shaft is rotatably connected in the rotating hole formed in the left side of the upper surface of the driving arm respectively, the upper end of the first rotating shaft is connected in the long round holes formed in the front end and the rear end of the upper surface of the push block in a sliding mode respectively, the direction of the driving force can be changed, and the clamping arm is driven to clamp and fix the drill bit.

Further, location fixture still includes electric putter, electric putter passes through the backing plate and sets up in the upper surface left side of fixing base, electric putter's flexible end right-hand member and ejector pad fixed connection, and the output of PLC controller is connected to electric putter's input electricity, provides power for the operation of device.

Further, still include fixed block and a protection section of thick bamboo, the fixed block sets up in the right flank middle part of heater host computer, and a protection section of thick bamboo sets up in the right-hand member of fixed block, and the circle body part of coil is located the inside of a protection section of thick bamboo, and a protection section of thick bamboo is a pottery protection section of thick bamboo, protects the outside of coil, can avoid the external object to touch the coil.

Further, still include crown plate and interior guard shield, the crown plate sets up respectively in the upper and lower both ends of a protection section of thick bamboo, and the crown plate is the pottery crown plate, and interior guard shield sets up inboardly between two crown plates, and interior guard shield is the guard shield in the pottery, and interior guard shield is located the circle body of coil inside, protects the inside of coil, can avoid the drill bit fixed time touching the coil.

Further, still include the timer, the timer sets up in the leading flank right side of heater host computer, and the timer is connected with PLC controller two-way electricity, carries out the timing to the heat time of drill bit.

Furthermore, the heater also comprises foot pads which are respectively arranged at four corners of the lower surface of the heater host machine, so that the device can be conveniently placed at a use position.

Compared with the prior art, the beneficial effects of the utility model are that: the high-frequency heater for processing the drill bit has the following advantages:

the device is placed at a using position through a foot pad, when a drill bit needs to be heated, an electric push rod works under the regulation and control of a PLC (programmable logic controller), a telescopic end pushes a push block to move rightwards, the push block applies a rightwards pushing force to the left end of a driving arm through a first rotating shaft, so that the driving arm drives clamping arms to rotate outwards through a second rotating shaft, the right ends of the two clamping arms are opened, an operator clamps the upper end drill pipe part of the drill bit between the two clamping arms, the part, needing to be heated, of the lower end of the drill bit is inserted into the inner protective cover, then the electric push rod works under the regulation and control of the PLC, the telescopic end contracts and pulls a right part to move leftwards, so that the right part moves reversely, the drill bit is fixed at a clamping opening position by the two clamping arms, and the clamping opening corresponds to the upper position and the lower position of the center of a coil, so that the lower end of the drill bit is positioned at the center of the coil, at the moment, the PLC controller regulates and controls the heater host and the timer to work simultaneously, the timer starts timing, external alternating current firstly passes through a rectifier in the heater host to change alternating voltage into direct current voltage, the direct current then enters a frequency converter in the heater host to be converted into high-frequency voltage through the direct current voltage, the high-frequency voltage passes through a high-pass filter in the heater host to filter low-frequency voltage in the high-frequency voltage, finally the high-frequency voltage enters a coil, the high-speed changing current flows through the coil to become a high-speed changing magnetic field, when magnetic lines of force in the magnetic field pass through the drill bit, countless small eddy currents are generated in the drill bit to enable the drill bit to automatically and rapidly heat, so that the heating operation of the drill bit is realized, meanwhile, the timer transmits time data to the PLC controller, and the PLC controller integrates and judges the received data, when the heat time reaches the inside time of setting for of PLC controller, PLC controller regulation and control heater host computer stop work, stop the heating operation to the drill bit with this, and simultaneously, electric putter work, flexible end extends, promote the removal of right side part, make the drill bit of two centre gripping arms unclamp the centre gripping, the drill bit passes interior guard shield and falls to below equipment and further process under self action of gravity, can realize the intelligent control heating of drill bit, alleviate operator's work burden, and simultaneously, can fix the drill bit in the center department of coil, guarantee that the lower extreme of drill bit can the even heating, improve the quality of drill bit production.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure view of the coil of the present invention;

fig. 3 is an enlarged schematic view of the a position of the present invention.

In the figure: the device comprises a heater host 1, a PLC (programmable logic controller) 2, a coil 3, a fixing block 4, a protective barrel 5, a fixing seat 6, a positioning and clamping mechanism 7, an electric push rod 71, a push block 72, a first rotating shaft 73, a second rotating shaft 74, a driving arm 75, a clamping arm 76, an annular plate 8, an inner protective cover 9, a foot pad 10 and a timer 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: a high-frequency heater for drill processing comprises a heater main machine 1 and a positioning and clamping mechanism 7;

the heater main unit 1: the heater host 1 can convert alternating current into high-frequency direct current, a coil 3 is arranged in the middle of the right side face of the heater host 1, the coil 3 can convert the high-frequency direct current into a magnetic field which changes at a high speed, a PLC (programmable logic controller) 2 is arranged at the lower end of the front side face of the heater host 1, the PLC controller 2 is used for regulating and controlling the normal operation of a device, a fixing seat 6 is arranged on the right side of the upper surface of the heater host 1, an input end of the PLC controller 2 is electrically connected with an external power supply, an input end of the heater host 1 is electrically connected with an output end of the PLC controller 2, an output end of the heater host 1 is electrically connected with an input end of the coil 3, the heater host further comprises a fixing block 4 and a protective cylinder 5, the fixing block 4 is arranged in the middle of the right side face of the heater host 1, the protective cylinder 5 is arranged at the right end of the fixing block 4, a ring body part of the coil 3 is arranged inside the protective cylinder 5, the protective cylinder 5 is a ceramic protective cylinder, the ring plate 8 and an inner protective cover 9, the ring plate is arranged inside the protective cylinder 5, the inner protective cover 9 is arranged inside the protective cylinder 3, the protective cover 9, the inner protective cover 9 is arranged inside the protective cylinder 5, the protective cylinder 10, the inner protective cover is arranged at the upper end and the lower surface of the heater host, the inner protective cylinder 10, and the inner protective cover are respectively arranged at the corners of the lower surface of the heater host 1;

positioning and clamping mechanism 7: the positioning and clamping mechanism 7 can clamp and fix the drill bit, and ensure that the lower end of the drill bit can be positioned inside the coil 3, and comprises two clamping arms 76, wherein the two clamping arms 76 are rotatably connected in through holes formed in the right side of the lower surface of the fixed seat 6 through second rotating shafts 74, a right clamping opening of each clamping arm 76 corresponds to the upper and lower positions of the center of the coil 3, the positioning and clamping mechanism 7 further comprises a push block 72, first rotating shafts 73 and driving arms 75, the upper ends of the second rotating shafts 74 respectively penetrate through the through holes, the driving arms 75 are respectively fixedly sleeved at the upper ends of the outer arc surfaces of the second rotating shafts 74, the first rotating shafts 73 are respectively rotatably connected in the rotating holes formed in the left side of the upper surface of the driving arms 75, the upper ends of the first rotating shafts 73 are respectively slidably connected in long round holes formed in the front and rear ends of the upper surface of the push block 72, the positioning and clamping mechanism 7 further comprises electric push rods 71, the electric push rod 71 is arranged on the left side of the upper surface of the fixed seat 6 through a backing plate, the right end of the telescopic end of the electric push rod 71 is fixedly connected with the push block 72, the input end of the electric push rod 71 is electrically connected with the output end of the PLC 2, the electric push rod further comprises a timer 11, the timer 11 is arranged on the right side of the front side surface of the heater host machine 1, the timer 11 is electrically connected with the PLC 2 in a bidirectional mode, when the drill bit needs to be heated, the electric push rod 71 works through the regulation and control of the PLC 2, the telescopic end pushes the push block 72 to move rightwards, the push block 72 applies a rightwards thrust to the left end of the driving arm 75 through the first rotating shaft 73, so that the driving arm 75 drives the clamping arms 76 to rotate outwards through the second rotating shaft 74, the right ends of the two clamping arms 76 are opened, an operator clamps the drill rod part at the upper end of the drill bit between the two clamping arms 76, and inserts the part, which needs to be heated, at the lower end of the drill bit, into the inner protective cover 9, then, the electric push rod 71 works through the regulation and control of the PLC controller 2, the telescopic end contracts and pulls the right part to move leftwards, so that the right part moves reversely, the drill bit is fixed at the position of the clamping opening by the two clamping arms 76, the clamping opening corresponds to the upper and lower positions of the center of the coil 3, the lower end of the drill bit is positioned at the center of the coil 3, at the moment, the PLC controller 2 regulates and controls the heater host 1 and the timer 11 to work simultaneously, the timer 11 starts to time, external alternating current firstly passes through a rectifier in the heater host 1 to change alternating current voltage into direct current voltage, the direct current enters a frequency converter in the heater host 1 and is converted into high-frequency voltage through the direct current voltage, the high-frequency voltage passes through a high-pass filter in the heater host 1 to filter low-frequency voltage in the high-frequency voltage, and finally the high-frequency voltage enters the coil 3, the current changing at high speed flows through the coil 3 to become a magnetic field changing at high speed, when a magnetic line of force in the magnetic field passes through the drill bit, countless small eddy currents are generated in the drill bit, the drill bit can automatically and quickly generate heat, heating operation on the drill bit is achieved, meanwhile, the timer 11 transmits time data to the PLC 2, the PLC 2 integrates and judges the received data, when the heating time reaches the time set in the PLC 2, the PLC 2 regulates and controls the heater host 1 to stop working, the heating operation on the drill bit is stopped, meanwhile, the electric push rod 71 works, the telescopic end extends, the right part is pushed to move, the two clamping arms 76 loosen the clamped drill bit, and the drill bit passes through the inner shield 9 under the action of self gravity and falls to a lower device for further processing.

The utility model provides a pair of high frequency heating ware is used in drill bit processing's theory of operation as follows: when the drill bit needs to be heated, the electric push rod 71 works through the regulation and control of the PLC 2, the telescopic end pushes the push block 72 to move rightwards, the push block 72 applies a rightwards thrust to the left end of the drive arm 75 through the first rotating shaft 73, so that the drive arm 75 drives the clamping arms 76 to rotate outwards through the second rotating shaft 74, the right ends of the two clamping arms 76 are opened, an operator clamps the upper end drill rod part of the drill bit between the two clamping arms 76, the part, needing to be heated, of the lower end of the drill bit is inserted into the inner protective cover 9, then, through the regulation and control of the PLC 2, the electric push rod 71 works, the telescopic end contracts, the right side part is pulled to move leftwards, so that the right side part moves reversely, the two clamping arms 76 fix the drill bit at the position of the clamping opening, and the clamping opening corresponds to the up-and-down position of the center of the coil 3, therefore, the lower end of the drill bit is positioned at the center of the coil 3, at the same time, the PLC controller 2 regulates and controls the heater host 1 and the timer 11 to work simultaneously, the timer 11 starts timing, external alternating current firstly passes through a rectifier inside the heater host 1 to change alternating current voltage into direct current voltage, direct current enters a frequency converter inside the heater host 1 and is converted into high-frequency voltage through the direct current voltage, the high-frequency voltage passes through a high-pass filter inside the heater host 1 to filter low-frequency voltage inside the high-frequency voltage, finally the high-frequency voltage enters the coil 3, the high-speed changing current flows through the coil 3 to become a high-speed changing magnetic field, when magnetic lines of force in the magnetic field pass through the drill bit, countless small eddy currents are generated inside the drill bit to enable the drill bit to heat up automatically and achieve heating operation of the drill bit, and meanwhile, the timer 11 transmits time data to the PLC controller 2, PLC controller 2 integrates the judgement to the data received, when the heating time reaches the inside time of setting for of PLC controller 2, PLC controller 2 regulation and control heater host computer 1 stop work, stop the heating operation to the drill bit with this, and simultaneously, electric putter 71 works, flexible end extends, promote the removal of right side part, make two centre gripping arms 76 loosen the drill bit of centre gripping, the drill bit passes interior guard shield 9 whereabouts to below equipment and carries out further processing under self action of gravity, a protection section of thick bamboo 5, crown plate 8 and inner guard shield 9 can protect coil 3.

It should be noted that the specific model of the PLC controller 2 disclosed in the above embodiment is S7-200, the heater main body 1 can be an electromagnetic heater with model RDSZ, the electric push rod 71 can be an electric push rod with model YH8-521, the timer 11 can be a timer with model LM555CMX, and the PLC controller 2 controls the heater main body 1, the electric push rod 71 and the timer 11 to work by a method commonly used in the prior art.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (7)

1. A high-frequency heater for drill processing is characterized in that: comprises a heater host (1) and a positioning and clamping mechanism (7);

heater main unit (1): a coil (3) is arranged in the middle of the right side face of the heater host (1), a PLC (programmable logic controller) (2) is arranged at the lower end of the front side face of the heater host (1), a fixing seat (6) is arranged on the right side of the upper surface of the heater host (1), the input end of the PLC (2) is electrically connected with an external power supply, the input end of the heater host (1) is electrically connected with the output end of the PLC (2), and the output end of the heater host (1) is electrically connected with the input end of the coil (3);

positioning and clamping mechanism (7): including centre gripping arm (76), centre gripping arm (76) quantity is two, and two centre gripping arms (76) all rotate through second pivot (74) and connect in the through-hole that fixing base (6) lower surface right side was seted up, and the right-hand member of centre gripping arm (76) presss from both sides the mouth and corresponds with the center of coil (3) upper and lower position.

2. The high-frequency heater for drill processing as set forth in claim 1, wherein: the positioning and clamping mechanism (7) further comprises a push block (72), a first rotating shaft (73) and a driving arm (75), the upper end of the second rotating shaft (74) penetrates through the through hole respectively, the driving arm (75) is fixedly sleeved at the upper end of the outer arc surface of the second rotating shaft (74) respectively, the first rotating shaft (73) is rotatably connected in a rotating hole formed in the left side of the upper surface of the driving arm (75) respectively, and the upper end of the first rotating shaft (73) is connected in long round holes formed in the front end and the rear end of the upper surface of the push block (72) in a sliding mode respectively.

3. The high-frequency heater for drill processing as set forth in claim 2, wherein: the positioning and clamping mechanism (7) further comprises an electric push rod (71), the electric push rod (71) is arranged on the left side of the upper surface of the fixing seat (6) through a base plate, the right end of the telescopic end of the electric push rod (71) is fixedly connected with a push block (72), and the input end of the electric push rod (71) is electrically connected with the output end of the PLC (2).

4. The high-frequency heater for drill processing as set forth in claim 1, wherein: still include a fixed block (4) and a protection section of thick bamboo (5), fixed block (4) set up in the right flank middle part of heater host computer (1), and a protection section of thick bamboo (5) set up in the right-hand member of fixed block (4), and the circle body part of coil (3) is located the inside of a protection section of thick bamboo (5), and a protection section of thick bamboo (5) are a pottery protection section of thick bamboo.

5. The high-frequency heater for drill processing as set forth in claim 4, wherein: still include crown plate (8) and interior guard shield (9), crown plate (8) set up respectively in the upper and lower both ends of a protection section of thick bamboo (5), and crown plate (8) are ceramic crown plate, and interior guard shield (9) set up inboardly between two crown plates (8), and interior guard shield (9) are the guard shield in the pottery, and interior guard shield (9) are located the circle internal portion of coil (3).

6. The high-frequency heater for drill processing as set forth in claim 1, wherein: the heater is characterized by further comprising a timer (11), wherein the timer (11) is arranged on the right side of the front side face of the heater host machine (1), and the timer (11) is in bidirectional electric connection with the PLC (2).

7. The high-frequency heater for drill processing as set forth in claim 1, wherein: the heating device is characterized by further comprising foot pads (10), wherein the foot pads (10) are respectively arranged at four corners of the lower surface of the heater main unit (1).

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