CN113913602A - Heat treatment equipment for PCB drill bit production - Google Patents
Heat treatment equipment for PCB drill bit production Download PDFInfo
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- CN113913602A CN113913602A CN202111226931.XA CN202111226931A CN113913602A CN 113913602 A CN113913602 A CN 113913602A CN 202111226931 A CN202111226931 A CN 202111226931A CN 113913602 A CN113913602 A CN 113913602A
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- Prior art keywords
- fixed
- furnace body
- drill bit
- rod
- safety
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention provides heat treatment equipment for PCB drill bit production, belongs to the technical field of heat treatment equipment, and is used for solving the technical problems of low automation degree, low production efficiency and insufficient safety in the heat treatment process of PCB drill bits. The furnace comprises a furnace body, wherein two layered mechanisms are arranged in the furnace body, an air cooling mechanism is arranged in an upper layer space, an electric heating wire is fixed in a middle layer space, an oil cooling mechanism is arranged in a lower layer space, a lifting mechanism is arranged in the furnace body, a discharging mechanism and a safety mechanism are arranged on the side wall of the middle layer space, and a tray is arranged on the discharging mechanism; the PCB drill bit automatic heat treatment process is realized, the production efficiency is improved, and the PCB drill bit is not contacted with high temperature in the process of taking and placing the PCB drill bit by an operator, so that the safety is higher; the drawing plate is positioned, so that the drawing plate cannot move, the operation error of an operator is prevented, repeated feeding is prevented, and the safety of equipment is improved; make the tray slowly fall to the coolant oil in, prevent that the PCB drill bit from damaging or the coolant oil from splashing, improve equipment practical stability.
Description
Technical Field
The invention belongs to the technical field of heat treatment equipment, and relates to heat treatment equipment for PCB drill bit production.
Background
The PCB drill bit is a tool for drilling a hole in a circuit board, and is generally a small-diameter drill bit. The setting of drilling parameters is of great importance, the drill bit is stressed too much and broken due to too fast drilling speed, and the production efficiency is reduced due to too slow drilling speed. The PCB produced by each plate manufacturer has different conditions of plate thickness, copper thickness, plate structure and the like. Therefore, the PCB drill bit needs to be set according to specific conditions, and has higher requirements on the hardness and the toughness of the PCB drill bit.
The hardness that the PCB drill bit need improve the PCB drill bit through thermal treatment in process of production, need find out the PCB drill bit from the electric stove after using the electric stove to carry out thermal treatment, carry out air cooling or oil cooling as required, this process all needs operating personnel to shift the high temperature PCB drill bit, and degree of automation is low, and production efficiency is low, and operating personnel operation in high temperature environment takes place accident easily moreover.
Based on this, we have designed a PCB drill bit production and used the heat treatment facility.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides heat treatment equipment for producing a PCB drill bit, which aims to solve the technical problems that: the automation of the heat treatment of the PCB drill bit is realized, the production efficiency is improved, and the safety is enhanced.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a PCB is heat treatment facility for drill bit production, which comprises a furnace body, be equipped with two layering structures in the furnace body, and two layering structures divide into three-layer space with furnace body top-down, be equipped with air cooling mechanism in the upper strata space, middle level space internal fixation has the heating wire, be equipped with oil cooling mechanism in the lower floor space, and the inside elevating system who runs through three-layer space that is equipped with of furnace body, be equipped with drop feed mechanism and safety mechanism on the lateral wall in middle level space, the last tray that is equipped with of drop feed mechanism, and drop feed mechanism is connected with the safety mechanism transmission, set up a plurality of holes of placing on the tray, and the bottom of placing the hole has seted up the oil leak hole, the side of tray is seted up the handle of two symmetric distributions and the locating piece of two symmetric distributions, and the chamfer has been seted up along under the tip of two handles.
The working principle of the invention is as follows: the PCB drill bit that will carry out thermal treatment at first places downthehole in the placing of tray, then send into the middle level space with the tray through drop feed mechanism, carry out thermal treatment to the PCB drill bit under the effect of heating wire, after thermal treatment, as required, move the tray to upper space or lower floor space through elevating system, when the tray moves to upper space, air cooling mechanism can carry out the air cooling to the PCB drill bit on the tray, and shift out the tray after the air cooling finishes, and the same is said, when the tray moves to lower floor space, oil cooling mechanism can carry out the oil cooling to the PCB drill bit on the tray, and shift out the tray after the oil cooling finishes, and cooling oil can spill in the oil leak hole, in addition, in the in-process of carrying out thermal treatment in middle level space, lock the drop feed mechanism through insurance mechanism, prevent repeated feeding, lead to PCB drill bit or equipment to damage.
The layered mechanism comprises two partition plates, two first sliding chutes and two second sliding chutes which are symmetrically distributed are respectively arranged on the inner walls of two opposite sides of the furnace body, a first sliding block and a second sliding block are respectively fixed at the side ends of two sides of each partition plate, and the first slide block and the second slide block are respectively arranged in the first slide groove and the second slide groove at corresponding positions in a sliding way, the two partition boards are symmetrically distributed, the side wall of the upper layer space is provided with two first moving grooves which are symmetrically distributed, and two first push rod motors are fixed on the outer side of the furnace body, moving blocks are fixed at the output ends of the first push rod motors, the end parts of the moving blocks penetrate through the first moving grooves to be hinged with the partition plates at the corresponding positions, two second moving grooves which are symmetrically distributed are formed in the side wall of the lower-layer space, two second push rod motors are hinged on the outer side of the furnace body, and the output ends of the second push rod motors penetrate through the second moving grooves to be hinged with the partition plates at the corresponding positions.
Structure more than adopting, can drive the division board among the higher layering mechanism in position through first push rod motor and remove, the edge of division board is upwards stimulateeed by the movable block for first slider and second slider slide respectively in first spout and second spout, and the division board of two symmetries moves to both sides, makes upper space and middle level space intercommunication, and in the same way, second push rod motor can drive the division board among the lower layering mechanism in position and move to both sides, makes middle level space and lower floor's space intercommunication.
Elevating system includes two threaded rods, two elevator blocks and two arc brackets, two threaded rods rotate to set up inside the furnace body, and two threaded rod symmetric distribution, two elevator block threaded connection respectively is on two threaded rods, set up the through-hole of two symmetric distribution on the elevator block, the both ends of arc bracket slide respectively to set up in the through-hole that two elevator blocks correspond, and two arc bracket symmetric distribution, two lifting grooves have been seted up respectively on the two relative inner walls of furnace body, and the both ends of arc bracket slide respectively to set up in the lifting groove of corresponding position, the upper end of furnace body is fixed with two driving motor, and driving motor's output shaft and threaded rod fixed connection.
Structure more than adopting, in heat treatment process, the tray is located between two arc brackets, and driving motor drives the threaded rod and rotates for the elevator reciprocates, and the elevator can drive two arc brackets and reciprocate, thereby accomplishes the removal to the tray, and at the removal in-process moreover, the tip of two arc brackets slides in the lift groove all the time.
The oil cooling mechanism comprises a conveyor belt, a descent control rod and a uncovered oil tank, a first conveying port is formed in the side wall of the lower-layer space, the uncovered oil tank is fixed to the outer side of the first conveying port, the conveyor belt is installed in the uncovered oil tank and the lower-layer space, cooling oil is filled in the uncovered oil tank and the lower-layer space, one end of the conveyor belt, which is located inside the uncovered oil tank, is higher than the liquid level of the cooling oil, two symmetrically-distributed first chutes are formed in two opposite inner walls of the lower-layer space respectively, two ends of the descent control rod are arranged in the two first chutes of opposite positions in a sliding mode respectively, a rotating sleeve is rotatably connected to the outer side of the descent control rod, a descent control spring is fixed to the bottom of each first chute, the upper end of the descent control spring abuts against the descent control rod, two symmetrically-distributed second chutes are formed in the two opposite inner walls of the furnace body respectively, and the upper end of each second chute is communicated with the lower end of the lifting groove.
Structure more than adopting, when two arc brackets remove downwards, the tip of arc bracket can be followed and slided to the second chute in the lift groove, two arc brackets can remove to both sides, place two slow descending poles that the tray on two arc brackets can drop downwards this moment on, and drive two slow descending poles and compress slowly the spring that falls downwards, can remove to both sides when slowly descending pole removes downwards, when removing, the rotating sleeve can reduce the frictional force between tray bottom and the slow descending pole, after two slow descending poles remove the certain distance to both sides, the tray can follow and fall to the conveyer belt between the two on, and dip the PCB drill bit on the tray in the cooling oil, carry out oil cooling, the oil cooling in-process, can be through the transfer rate of control conveyer belt, control oil cooling time, when the tray removes to the higher one end of conveyer belt, oil cooling finishes.
The air cooling mechanism comprises a fixed plate, a discharge push rod motor, a push plate and a plurality of reset springs, wherein two second conveying ports and a plurality of air vents which are symmetrically distributed are formed in the side wall of the upper space, a long groove is formed in the upper end of the upper space, the fixed plate is fixed at the upper end of the furnace body, the discharge push rod motor is fixed on the fixed plate, one end of the push plate is fixed at the output end of the discharge push rod motor, the other end of the push plate penetrates through the long groove and extends into the upper space, two telescopic rods are respectively fixed on two opposite inner walls of the upper space, each telescopic rod comprises a sleeve fixed on the inner wall of the upper space and a slide rod which is slidably inserted into the sleeve, a positioning rod is fixed at the end part of each two telescopic rods on the same side wall, a chamfer is formed at the lower end of each positioning rod, each reset spring is sleeved on each telescopic rod, and the two ends of each reset spring are respectively abutted against the inner wall of the positioning rod and the positioning rod of the furnace body, and a guide plate is fixed on the lower edge of one second conveying port.
Structure more than adopting, when two arc brackets with the tray lifting to the upper space, the locating lever of both sides receives the extrusion of locating piece, remove and compress reset spring to both sides, when the locating piece removes to the locating lever top, the locating lever removes to the inboard under reset spring's effect, and remove to the locating piece under, and provide the support to the tray after will under two arc brackets, the upper space is through a plurality of bleeder vents, second transportation mouth and elongated slot carry out the circulation of air with the external world, the PCB drill bit on the tray carries out the air cooling in upper space, after the air cooling certain time, drive the push pedal through ejection of compact push rod motor and remove, promote the tray along the locating lever to the deflector, make the tray slide down along the deflector, make things convenient for operating personnel to take out the PCB drill bit after the thermal treatment.
Drop feed mechanism includes the pull board, and the pull board slides and sets up on the lateral wall in middle level space, and has seted up the round hole in the middle of the pull board, and the limit groove has been seted up respectively to the both sides of pull board, and the limit inslot articulates there is the stock, and the constant head tank has been seted up to the stock upper surface, and the tray is located in the middle of the round hole, and locating piece and constant head tank phase-match, and the end fixing of stock has the handle.
Structure more than adopting, operating personnel can place the tray of placing the PCB drill bit in the round hole to confirm the position of tray through the constant head tank, then promote the pull board to furnace body inside, make the pull board get into middle level space, then promote the handle to both sides, make two stock rotate and alternate segregation, make the locating piece break away from the constant head tank, thereby make the tray remove downwards to two arc-shaped bracket on, later pull out the pull board again, can begin to carry out thermal treatment.
Safety mechanism is including fixing the safety block on the furnace body lateral wall, it is equipped with the bumper bar to slide to insert on the safety block, the one end of bumper bar is fixed with the contact piece, the other end of bumper bar is provided with keeps off the shoulder, and the cover is equipped with the extension spring on the bumper bar, the both ends of extension spring respectively with keep off shoulder and bumper bar fixed connection, the inside T shape hole of having seted up of bumper bar, be fixed with the ejector pad of two mutual symmetries on the bumper bar, and two ejector pads are located the T shape hole, it is provided with the driving block to slide from top to bottom in the T shape hole, and the lower extreme of driving block is located between two ejector pads, the upper end of driving block is fixed with spring shim, spring shim's upper end is fixed with the locking piece, and pull board lower surface seted up with locking piece assorted locking hole.
Structure more than adopting, when contact piece and arc bracket offset, the locking piece is located the locking hole below, can not lock the removal of pull board, when the tray has been placed on the arc bracket, the handle can with the contact piece contact, and promote the bumper bar to the furnace body outside, when the arc bracket makes progress or when moving down, the bumper bar receives the effect of extension spring and removes to the furnace body is inside, no matter the bumper bar moves to which side, one of them of two ejector blocks all can upwards promote the driving block, and the compression spring gasket, push into the locking hole with the locking piece through the spring gasket, fix a position the pull board, guarantee that the pull board can not remove, prevent operating personnel misoperation, lead to repeated feeding, improve equipment safety.
The inner wall of the furnace body is fixed with four sealing strips, and the four sealing strips are respectively positioned below the four partition plates.
By adopting the structure, the sealing strip can enhance the sealing property between the partition plate and the side wall of the furnace body, and can improve the heating effect of the electric heating wire, so that the heat distribution in the middle layer space is more uniform, and the heat treatment effect is improved.
Compared with the prior art, this thermal treatment equipment for PCB drill bit production has following advantage:
1. through layering mechanism, drop feed mechanism, elevating system, air cooling mechanism and oil cooling mechanism, realize the automatic thermal treatment flow of PCB drill bit, improve production efficiency, operating personnel gets in addition and puts PCB drill bit process and not contact with high temperature, and the security is higher.
2. Through safety mechanism, fix a position the pull board, guarantee that the pull board can not remove, prevent operating personnel misoperation, lead to repeated feeding, improve equipment security.
3. Through slowly falling the pole and slowly falling the spring for the tray slowly falls to the coolant oil in, prevents that the PCB drill bit from damaging or the coolant oil from splashing, improve equipment practical stability.
Drawings
FIG. 1 is a right side perspective view of the present invention;
FIG. 2 is a schematic left side perspective view of the present invention;
FIG. 3 is a schematic view of the inside of the furnace body in the present invention;
FIG. 4 is a schematic view of the construction of the lift mechanism of the present invention;
FIG. 5 is a schematic structural view of a part of the oil cooling mechanism according to the present invention;
FIG. 6 is a schematic view showing the construction of part of the components of the air cooling mechanism according to the present invention;
FIG. 7 is a schematic perspective view of a dispensing mechanism of the present invention;
FIG. 8 is a partial cross-sectional structural schematic view of a safety mechanism of the present invention;
FIG. 9 is a side view of the tray of the present invention;
in the figure: 1. a furnace body; 101. a first transport port; 102. a long groove; 103. a second transport port; 104. air holes are formed; 2. a layering mechanism; 201. a first chute; 202. a second chute; 203. a partition plate; 204. a first slider; 205. a second slider; 206. a first moving slot; 207. a first push rod motor; 208. a second moving slot; 209. a second push rod motor; 3. an electric heating wire; 4. a lifting mechanism; 401. a threaded rod; 402. a lifting block; 403. a through hole; 404. an arc bracket; 405. a lifting groove; 406. a drive motor; 5. an oil cooling mechanism; 501. a capless fuel tank; 502. a conveyor belt; 503. a first chute; 504. a slow descending rod; 505. rotating the sleeve; 506. a slow descending spring; 507. a second chute; 6. an air cooling mechanism; 601. a fixing plate; 602. a discharge push rod motor; 603. pushing the plate; 604. a telescopic rod; 605. positioning a rod; 606. a return spring; 607. a guide plate; 7. a sealing strip; 8. a discharging mechanism; 801. a drawing plate; 802. a circular hole; 803. a side groove; 804. a long rod; 805. positioning a groove; 806. a handle; 807. a locking hole; 9. a tray; 901. placing holes; 902. an oil leak hole; 903. a handle; 904. positioning blocks; 10. a safety mechanism; 1001. a safety block; 1002. a bumper; 1003. a contact block; 1004. a tension spring; 1005. a T-shaped hole; 1006. a push block; 1007. a transmission block; 1008. a spring washer; 1009. and locking the block.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-9, the present embodiment provides a heat treatment apparatus for PCB drill production, which includes a furnace body 1, two layered mechanisms 2 disposed in the furnace body 1, the two layered mechanisms 2 divide the furnace body 1 into three layers of spaces from top to bottom, an air cooling mechanism 6 is arranged in the upper layer space, an electric heating wire 3 is fixed in the middle layer space, an oil cooling mechanism 5 is arranged in the lower layer space, and the interior of the furnace body 1 is provided with a lifting mechanism 4 penetrating through the three layers of spaces, the side wall of the middle layer of space is provided with a material placing mechanism 8 and a safety mechanism 10, the material placing mechanism 8 is provided with a tray 9, the discharging mechanism 8 is connected with the safety mechanism 10 in a transmission way, the tray 9 is provided with a plurality of placing holes 901, an oil leakage hole 902 is formed at the bottom of the placing hole 901, two symmetrically distributed handles 903 and two symmetrically distributed positioning blocks 904 are formed at the side end of the tray 9, and chamfers are formed at the lower edges of the end parts of the two handles 903; firstly, a PCB drill bit needing heat treatment is placed in a placing hole 901 of a tray 9, then the tray 9 is sent into a middle space through a material placing mechanism 8, the PCB drill bit is subjected to heat treatment under the action of an electric heating wire 3, after the heat treatment, the tray 9 is moved to an upper space or a lower space through a lifting mechanism 4 according to needs, when the tray 9 is moved to the upper space, an air cooling mechanism 6 carries out air cooling on the PCB drill bit on the tray 9, and the tray 9 is moved out after the air cooling is finished, and similarly, when the tray 9 is moved to the lower space, an oil cooling mechanism 5 carries out oil cooling on the PCB drill bit on the tray 9, and the tray 9 is moved out after the oil cooling is finished, and cooling oil can leak from an oil leaking hole 902, in addition, in the process of carrying out the heat treatment on the middle space, the material placing mechanism 8 is locked through a safety mechanism 10 to prevent repeated feeding, resulting in damage to the PCB drill bit or equipment.
The layered mechanism 2 comprises two partition boards 203, two first sliding chutes 201 and two second sliding chutes 202 which are symmetrically distributed are respectively arranged on the inner walls of two opposite sides of the furnace body 1, two side ends of the partition boards 203 are respectively fixed with a first sliding block 204 and a second sliding block 205, the first sliding block 204 and the second sliding block 205 are respectively arranged in the first sliding chute 201 and the second sliding chute 202 which are correspondingly arranged in a sliding way, the two partition boards 203 are symmetrically distributed, the side wall of the upper layer space is provided with two first moving grooves 206 which are symmetrically distributed, the outer side of the furnace body 1 is fixed with two first push rod motors 207, the output end of the first push rod motor 207 is fixed with a moving block, the end part of the moving block passes through the first moving groove 206 to be hinged with the partition board 203 which is correspondingly arranged, the side wall of the lower layer space is provided with two second moving grooves 208 which are symmetrically distributed, the outer side of the furnace body 1 is hinged with two second push rod motors 209, the output end of the second push rod motor 209 passes through the second moving slot 208 and is hinged with the partition plate 203 at the corresponding position; the first push rod motor 207 can drive the partition plate 203 in the layering mechanism 2 with a higher position to move, the edge of the partition plate 203 is pulled upwards by the moving block, the first sliding block 204 and the second sliding block 205 respectively slide in the first sliding groove 201 and the second sliding groove 202, the two symmetrical partition plates 203 move towards two sides, the upper layer space and the middle layer space are communicated, and similarly, the second push rod motor 209 can drive the partition plate 203 in the layering mechanism 2 with a lower position to move towards two sides, and the middle layer space is communicated with the lower layer space.
The lifting mechanism 4 comprises two threaded rods 401, two lifting blocks 402 and two arc-shaped brackets 404, the two threaded rods 401 are rotatably arranged inside the furnace body 1, the two threaded rods 401 are symmetrically distributed, the two lifting blocks 402 are respectively in threaded connection with the two threaded rods 401, the lifting blocks 402 are provided with two through holes 403 which are symmetrically distributed, two ends of each arc-shaped bracket 404 are respectively slidably arranged in the through holes 403 corresponding to the two lifting blocks 402, the two arc-shaped brackets 404 are symmetrically distributed, two opposite inner walls of the furnace body 1 are respectively provided with two lifting grooves 405, two ends of each arc-shaped bracket 404 are respectively slidably arranged in the lifting grooves 405 at corresponding positions, two driving motors 406 are fixed at the upper end of the furnace body 1, and output shafts of the driving motors 406 are fixedly connected with the threaded rods 401; in the heat treatment process, the tray 9 is located between the two arc brackets 404, the driving motor 406 drives the threaded rod 401 to rotate, so that the lifting block 402 moves up and down, the lifting block 402 can drive the two arc brackets 404 to move up and down, the movement of the tray 9 is completed, and in the moving process, the end parts of the two arc brackets 404 slide in the lifting groove 405 all the time.
The oil cooling mechanism 5 comprises a conveyor belt 502, a slow descending rod 504 and a uncovered oil tank 501, a first conveying port 101 is arranged on the side wall of the lower layer space, and a capless oil tank 501 is fixed to the outside of the first transfer port 101, a conveyor 502 is installed in the capless oil tank 501 and the lower space, cooling oil is filled in the uncovered oil tank 501 and the lower-layer space, one end of the conveyor belt 502, which is positioned in the uncovered oil tank 501, is higher than the liquid level of the cooling oil, two first chutes 503 which are symmetrically distributed are respectively arranged on two opposite inner walls of the lower-layer space, two ends of the slow-descending rod 504 are respectively arranged in the two first chutes 503 which are arranged in opposite positions in a sliding manner, a rotating sleeve 505 is rotatably connected to the outer side of the slow-descending rod 504, a slow descending spring 506 is fixed at the bottom of the first chute 503, the upper end of the slow descending spring 506 is abutted against the slow descending rod 504, two second chutes 507 which are symmetrically distributed are respectively arranged on two opposite inner walls of the furnace body 1, and the upper ends of the second chutes 507 are communicated with the lower ends of the lifting grooves 405; when the two arc brackets 404 move downward, the ends of the arc brackets 404 slide from the lifting groove 405 into the second chute 507, the two arc brackets 404 are moved to both sides, and the tray 9 placed on the two arc brackets 404 falls down onto the two descent control rods 504, and drives the two slow-descending rods 504 to compress the slow-descending spring 506 downwards, the slow-descending rods 504 move towards two sides while moving downwards, when moving, the rotating sleeve 505 can reduce the friction between the bottom of the tray 9 and the slow-falling rod 504, when the two slow-falling rods 504 move to both sides for a certain distance, the tray 9 falls onto the conveyor belt 502 from between the two slow-falling rods, and immerse the PCB drill bit on tray 9 in the cooling oil, carry out the oil cooling, in the oil cooling process, can be through the transport speed of control conveyer belt 502, control oil cooling time, when tray 9 removed to the higher one end of conveyer belt 502, the oil cooling was ended.
The air cooling mechanism 6 comprises a fixing plate 601, a discharging push rod motor 602, a push plate 603 and a plurality of reset springs 606, wherein the side wall of the upper space is provided with two second transportation ports 103 and a plurality of air vents 104 which are symmetrically distributed, the upper end of the upper space is provided with a long groove 102, the fixing plate 601 is fixed at the upper end of the furnace body 1, the discharging push rod motor 602 is fixed on the fixing plate 601, one end of the push plate 603 is fixed at the output end of the discharging push rod motor 602, the other end of the push plate 603 passes through the long groove 102 and extends into the upper space, two telescopic rods 604 are respectively fixed on two opposite inner walls of the upper space, each telescopic rod 604 comprises a sleeve fixed on the inner wall of the upper space and a slide rod slidably inserted in the sleeve, a positioning rod 605 is fixed at the end part of the two telescopic rods 604 on the same side wall, the lower end of the positioning rod 605 is provided with a chamfer, the reset springs 606 are sleeved on the telescopic rods 604, two ends of the return spring 606 are respectively abutted against the inner wall of the furnace body 1 and the positioning rod 605, and a guide plate 607 is fixed on the lower edge of one second transportation port 103; when the two arc-shaped brackets 404 lift the tray 9 to the upper space, the positioning rods 605 on the two sides are extruded by the positioning blocks 904, the positioning rods move towards the two sides and compress the return springs 606, when the positioning blocks 904 move to the positions above the positioning rods 605, the positioning rods 605 move inwards under the action of the return springs 606 and move to the positions under the positioning blocks 904, the two arc-shaped brackets 404 support the tray 9, the upper space is communicated with the outside through the plurality of air holes 104, the second conveying ports 103 and the long grooves 102, the PCB drill bits on the tray 9 are air-cooled in the upper space, after a certain time of air cooling, the push plate 603 is driven to move through the discharging push rod motor 602, the tray 9 is pushed to the guide plate 607 along the positioning rods 605, the tray 9 slides down along the guide plate 607, and an operator can take out the PCB drill bits after heat treatment conveniently.
The emptying mechanism 8 comprises a drawing plate 801, the drawing plate 801 is slidably arranged on the side wall of the middle-layer space, a round hole 802 is formed in the middle of the drawing plate 801, side grooves 803 are formed in two sides of the drawing plate 801 respectively, a long rod 804 is hinged in each side groove 803, a positioning groove 805 is formed in the upper surface of each long rod 804, the tray 9 is located in the middle of each round hole 802, a positioning block 904 is matched with each positioning groove 805, and a handle 806 is fixed at the end of each long rod 804; an operator can place the tray 9 with the PCB drill bit placed in the circular hole 802, the position of the tray 9 is determined through the positioning groove 805, then the drawing plate 801 is pushed towards the inside of the furnace body 1, the drawing plate 801 enters the middle layer space, then the handles 806 are pushed towards two sides, the two long rods 804 are rotated and separated from each other, the positioning block 904 is separated from the positioning groove 805, the tray 9 is moved downwards to the two arc-shaped brackets 404, and then the drawing plate 801 is pulled out, so that the heat treatment can be started.
The safety mechanism 10 comprises a safety block 1001 fixed on the side wall of the furnace body 1, a safety rod 1002 is inserted on the safety block 1001 in a sliding manner, a contact block 1003 is fixed at one end of the safety rod 1002, a blocking shoulder is arranged at the other end of the safety rod 1002, a tension spring 1004 is sleeved on the safety rod 1002, two ends of the tension spring 1004 are respectively fixedly connected with the blocking shoulder and the safety block 1001, a T-shaped hole 1005 is formed in the safety block 1001, two push blocks 1006 which are symmetrical to each other are fixed on the safety rod 1002, the two push blocks 1006 are located in the T-shaped hole 1005, a driving block 1007 is arranged in the T-shaped hole 1005 in a sliding manner, the lower end of the driving block 1007 is located between the two push blocks 1006, a spring gasket 1008 is fixed at the upper end of the driving block 1007, a locking block 1009 is fixed at the upper end of the spring gasket 1008, and a locking hole 807 matched with the locking block 1009 is formed in the lower surface of the drawing plate 801; when contact block 1003 offsets with arc bracket 404, locking block 1009 is located the locking hole 807 below, can not lock the removal of pull board 801, when placing tray 9 on arc bracket 404, handle 903 can contact with contact block 1003, and promote bumper 1002 to the furnace body 1 outside, when arc bracket 404 upwards or when moving downwards, bumper 1002 receives the effect of extension spring 1004 to the inside removal of furnace body 1, no matter which side of bumper 1002 moves, one of two ejector pads 1006 all can upwards promote driver block 1007, and compress spring gasket 1008, push locking block 1009 into the locking hole through spring gasket 1008, fix a position pull board 807, guarantee that pull board 801 can not move, prevent operating personnel misoperation, lead to repeated feeding, improve equipment safety.
The inner wall of the furnace body 1 is fixed with four sealing strips 7, and the four sealing strips 7 are respectively positioned below the four partition plates 203; the sealing strip 7 can strengthen the sealing performance between the partition plate 203 and the side wall of the furnace body 1, and can improve the heating effect of the electric heating wire 3, so that the heat distribution in the middle layer space is more uniform, and the heat treatment effect is improved.
The fixing modes are all the most common fixing connection modes in the field, such as welding, bolt connection and the like; the above electrical components, such as the driving motor 406, the first push rod motor 207, the second push rod motor 209, the discharging push rod motor 602, the conveyor belt 502, and the like, are all prior art products, and can be directly purchased and used in the market, and the detailed principle is not repeated.
The working principle of the invention is as follows:
firstly, a PCB drill bit to be subjected to heat treatment is placed in a placing hole 901 of a tray 9, the tray 9 with the PCB drill bit placed is placed in a circular hole 802, the position of the tray 9 is determined through a positioning groove 805, then a pull plate 801 is pushed towards the interior of a furnace body 1, the pull plate 801 enters a middle layer space, handles 806 are pushed towards two sides, two long rods 804 are rotated and separated from each other, a positioning block 904 is separated from the positioning groove 805, the tray 9 moves downwards to two arc-shaped brackets 404, then the pull plate 801 is pulled out, heat treatment can be carried out through an electric heating wire 3, after one end of heating and heat preservation time, the tray 9 is positioned between the two arc-shaped brackets 404, a driving motor 406 drives a threaded rod 401 to rotate, the lifting block 402 moves up and down, the lifting block 402 drives the two arc-shaped brackets 404 to move up and down, and the tray 9 is moved, in the moving process, the end parts of the two arc brackets 404 always slide in the lifting groove 405, when the tray 9 moves upwards, the first push rod motor 207 can drive the partition plate 203 in the layering mechanism 2 with a higher position to move, the edge of the partition plate 203 is pulled upwards by the moving block, so that the first slider 204 and the second slider 205 respectively slide in the first sliding groove 201 and the second sliding groove 202, the two symmetrical partition plates 203 move towards two sides, so that the upper layer space and the middle layer space are communicated, when the tray 9 is lifted to the upper layer space by the two arc brackets 404, the positioning rods 605 at two sides are extruded by the positioning block 904, move towards two sides and compress the return spring 606, when the positioning block 904 moves to the upper part of the positioning rod 605, the positioning rod 605 moves inwards under the action of the return spring 606 and moves to the right below the positioning block 904, and provides support for the tray 9 under the two arc brackets 404, the upper space is communicated with the outside through a plurality of air holes 104, a second transportation port 103 and a long groove 102, the PCB drill bit on the tray 9 is air-cooled in the upper space, after a certain period of air cooling, the push plate 603 is driven by the discharging push rod motor 602 to move, the tray 9 is pushed to the guide plate 607 along the positioning rod 605, so that the tray 9 slides down along the guide plate 607, an operator can take out the PCB drill bit after heat treatment conveniently, when the tray 9 moves downwards, the end part of the arc bracket 404 slides into the second chute 507 from the lifting groove 405, the two arc brackets 404 move towards two sides, at the moment, the tray 9 placed on the two arc brackets 404 falls downwards onto the two slow-falling rods 504 and drives the two slow-falling rods 504 to compress the slow-falling spring 506 downwards, the slow-falling rods 504 move towards two sides while moving downwards, and when moving, the rotating sleeve 505 can reduce the friction force between the bottom of the tray 9 and the slow-falling rods 504, after the two slow descending rods 504 move to both sides for a certain distance, the tray 9 falls onto the conveyor belt 502 from between the two slow descending rods, the PCB drill bit on the tray 9 is immersed into cooling oil for oil cooling, in the oil cooling process, the oil cooling time can be controlled by controlling the conveying speed of the conveyor belt 502, when the tray 9 moves to the higher end of the conveyor belt 502, the oil cooling is finished, in the heat treatment process, the sealing strips 7 can enhance the sealing performance between the partition plate 203 and the side wall of the furnace body 1, the heating effect of the heating wires 3 can be improved, the heat distribution of the middle layer space is more uniform, and the heat treatment effect is improved;
in addition, when the contact block 1003 butts against the arc bracket 404, the locking block 1009 is located below the locking hole 807, the movement of the drawing plate 801 cannot be locked, when the tray 9 is placed on the arc bracket 404, the handle 903 can be in contact with the contact block 1003 and pushes the safety rod 1002 to the outer side of the furnace body 1, when the arc bracket 404 moves upwards or downwards, the safety rod 1002 moves towards the inner part of the furnace body 1 under the action of the tension spring 1004, no matter which side the safety rod 1002 moves towards, one of the two pushing blocks 1006 can push the driving block 1007 upwards and compress the spring gasket 1008, the locking block 1009 is pushed into the locking hole through the spring gasket 1008, the drawing plate 801 is positioned, the drawing plate 801 is guaranteed to be incapable of moving, misoperation of an operator is prevented, repeated feeding is caused, and the safety of equipment is improved.
In conclusion, the automatic heat treatment process of the PCB drill bit is realized through the layering mechanism 2, the material discharging mechanism 8, the lifting mechanism 4, the air cooling mechanism 6 and the oil cooling mechanism 5, the production efficiency is improved, and the PCB drill bit is not contacted with high temperature in the process of taking and placing the PCB drill bit by an operator, so that the safety is higher;
the drawing plate 801 is positioned through the safety mechanism 10, so that the drawing plate 801 is guaranteed not to move, the situation that operators perform misoperation to cause repeated feeding is avoided, and the safety of equipment is improved;
through slowly falling pole 504 and slowly falling spring 506 for tray 9 slowly falls to in the cooling oil, prevents that the PCB drill bit from damaging or the cooling oil splashes, improve equipment practical stability.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. A heat treatment device for PCB drill bit production comprises a furnace body (1) and is characterized in that two layering mechanisms (2) are arranged in the furnace body (1), the furnace body (1) is divided into three layers of spaces from top to bottom by the two layering mechanisms (2), an air cooling mechanism (6) is arranged in the upper layer of space, heating wires (3) are fixed in the middle layer of space, an oil cooling mechanism (5) is arranged in the lower layer of space, a lifting mechanism (4) penetrating through the three layers of spaces is arranged in the furnace body (1), a material placing mechanism (8) and a safety mechanism (10) are arranged on the side wall of the middle layer of space, a tray (9) is arranged on the material placing mechanism (8), the material placing mechanism (8) is in transmission connection with the safety mechanism (10), a plurality of placing holes (901) are formed in the tray (9), oil leakage holes (902) are formed in the bottoms of the placing holes (901), two handles (903) which are symmetrically distributed and two positioning blocks (904) which are symmetrically distributed are arranged on the side ends of the tray (9), and the lower edges of the end parts of the two handles (903) are provided with chamfers.
2. The heat treatment equipment for producing the PCB drill bit as claimed in claim 1, wherein the layered mechanism (2) comprises two partition plates (203), two first chutes (201) and two second chutes (202) which are symmetrically distributed are respectively formed on the inner walls of two opposite sides of the furnace body (1), two side ends of the partition plates (203) are respectively fixed with a first slider (204) and a second slider (205), the first slider (204) and the second slider (205) are respectively arranged in the first chute (201) and the second chute (202) at corresponding positions in a sliding manner, the two partition plates (203) are symmetrically distributed, two first moving grooves (206) which are symmetrically distributed are formed on the side wall of the upper space, two first push rod motors (207) are fixed on the outer side of the furnace body (1), the output end of the first push rod motor (207) is fixed with a moving block, the end of the moving block passes through the first moving groove (206) and is hinged with the partition plates (203) at corresponding positions, two second moving grooves (208) which are symmetrically distributed are formed in the side wall of the lower layer space, two second push rod motors (209) are hinged to the outer side of the furnace body (1), and the output ends of the second push rod motors (209) penetrate through the second moving grooves (208) to be hinged to the partition plates (203) at the corresponding positions.
3. The heat treatment equipment for the production of the PCB drill bit as claimed in claim 1 or 2, wherein the lifting mechanism (4) comprises two threaded rods (401), two lifting blocks (402) and two arc brackets (404), the two threaded rods (401) are rotatably arranged inside the furnace body (1), the two threaded rods (401) are symmetrically distributed, the two lifting blocks (402) are respectively and threadedly connected to the two threaded rods (401), the lifting blocks (402) are provided with two through holes (403) which are symmetrically distributed, two ends of the arc brackets (404) are respectively and slidably arranged in the through holes (403) corresponding to the two lifting blocks (402), the two arc brackets (404) are symmetrically distributed, two opposite inner walls of the furnace body (1) are respectively provided with two lifting grooves (405), and two ends of the arc brackets (404) are respectively and slidably arranged in the lifting grooves (405) at corresponding positions, two driving motors (406) are fixed at the upper end of the furnace body (1), and output shafts of the driving motors (406) are fixedly connected with the threaded rod (401).
4. The heat treatment equipment for the production of the PCB drill bit as claimed in claim 3, wherein the oil cooling mechanism (5) comprises a conveyor belt (502), a slow-falling rod (504) and a uncovered oil tank (501), the side wall of the lower-layer space is provided with a first transportation port (101), the uncovered oil tank (501) is fixed on the outer side of the first transportation port (101), the conveyor belt (502) is installed in the uncovered oil tank (501) and the lower-layer space, the uncovered oil tank (501) and the lower-layer space are filled with cooling oil, one end of the conveyor belt (502) inside the uncovered oil tank (501) is higher than the liquid level of the cooling oil, two opposite inner walls of the lower-layer space are respectively provided with two first chutes (503) which are symmetrically distributed, two ends of the slow-falling rod (504) are respectively arranged in the two first chutes (503) at opposite positions in a sliding manner, and a rotating sleeve (505) is rotatably connected to the outer side of the slow-falling rod (504), and the bottom of the first chute (503) is fixed with a slow-falling spring (506), the upper end of the slow-falling spring (506) is propped against the slow-falling rod (504), two symmetrically-distributed second chutes (507) are respectively arranged on two opposite inner walls of the furnace body (1), and the upper ends of the second chutes (507) are communicated with the lower end of the lifting groove (405).
5. The heat treatment equipment for the production of the PCB drill bit as claimed in claim 1, wherein the air cooling mechanism (6) comprises a fixing plate (601), a discharging push rod motor (602), a push plate (603) and a plurality of reset springs (606), the side wall of the upper space is provided with two second transportation ports (103) and a plurality of air vents (104) which are symmetrically distributed, the upper end of the upper space is provided with a long groove (102), the fixing plate (601) is fixed at the upper end of the furnace body (1), the discharging push rod motor (602) is fixed on the fixing plate (601), one end of the push plate (603) is fixed at the output end of the discharging push rod motor (602), the other end of the push plate (603) passes through the long groove (102) and extends to the inside of the upper space, two opposite inner walls of the upper space are respectively fixed with two telescopic rods (604), each telescopic rod (604) comprises a sleeve fixed on the inner wall of the upper space and a slide rod inserted in the sleeve in a sliding manner, the end parts of two telescopic rods (604) on the same side wall are fixed with positioning rods (605), the lower ends of the positioning rods (605) are provided with chamfers, a return spring (606) is sleeved on the telescopic rods (604), the two ends of the return spring (606) are respectively abutted against the inner wall of the furnace body (1) and the positioning rods (605), and a guide plate (607) is fixed on the lower edge of one second conveying port (103).
6. The heat treatment equipment for producing the PCB drill bit as claimed in claim 1, wherein the emptying mechanism (8) comprises a drawing plate (801), the drawing plate (801) is slidably arranged on the side wall of the middle space, a round hole (802) is formed in the middle of the drawing plate (801), side grooves (803) are respectively formed in two sides of the drawing plate (801), a long rod (804) is hinged in each side groove (803), a positioning groove (805) is formed in the upper surface of the long rod (804), the tray (9) is located in the middle of the round hole (802), the positioning block (904) is matched with the positioning groove (805), and a handle (806) is fixed at the end of the long rod (804).
7. The heat treatment equipment for producing the PCB drill bit as claimed in claim 6, wherein the safety mechanism (10) comprises a safety block (1001) fixed on the side wall of the furnace body (1), a safety rod (1002) is slidably inserted on the safety block (1001), a contact block (1003) is fixed at one end of the safety rod (1002), a retaining shoulder is arranged at the other end of the safety rod (1002), a tension spring (1004) is sleeved on the safety rod (1002), two ends of the tension spring (1004) are respectively fixedly connected with the retaining shoulder and the safety block (1001), a T-shaped hole (1005) is formed in the safety block (1001), two symmetrical push blocks (1006) are fixed on the safety rod (1002), the two push blocks (1006) are located in the T-shaped hole (1005), a transmission block (1007) is slidably arranged in the T-shaped hole (1005) up and down, and the lower end of the transmission block (1007) is located between the two push blocks (1006), a spring gasket (1008) is fixed at the upper end of the driving block (1007), a locking block (1009) is fixed at the upper end of the spring gasket (1008), and a locking hole (807) matched with the locking block (1009) is formed in the lower surface of the drawing plate (801).
8. The heat treatment equipment for producing the PCB drill bit as claimed in claim 2, wherein the inner wall of the furnace body (1) is fixed with four sealing strips (7), and the four sealing strips (7) are respectively positioned below the four partition plates (203).
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| CN202111226931.XA CN113913602B (en) | 2021-10-21 | 2021-10-21 | Heat treatment equipment for PCB drill bit production |
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| CN202111226931.XA CN113913602B (en) | 2021-10-21 | 2021-10-21 | Heat treatment equipment for PCB drill bit production |
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| CN113913602A true CN113913602A (en) | 2022-01-11 |
| CN113913602B CN113913602B (en) | 2023-03-21 |
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| CN112318736A (en) * | 2020-11-11 | 2021-02-05 | 张子辉 | Imitative stone heated board drilling equipment with power-off protection function |
| CN113230978A (en) * | 2021-05-13 | 2021-08-10 | 石家庄钻之峰工具制造有限公司 | Diamond drill sintering device and process |
| CN214244508U (en) * | 2020-12-30 | 2021-09-21 | 保定森力克水泵制造有限公司 | Heat treatment electric furnace for production of slurry pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB855408A (en) * | 1958-03-05 | 1960-11-30 | Geoffrey Cotton | Improved methods of and apparatus for excavating wells, shafts, tunnels and similar excavations |
| CN102260777A (en) * | 2010-05-31 | 2011-11-30 | 宁波吉威熔模铸造有限公司 | Heat processing process for lockset material and equipment thereof |
| WO2016110235A1 (en) * | 2015-01-05 | 2016-07-14 | 江苏苏美达车轮有限公司 | Automobile hub gravity-pressurizing casting apparatus, casting system and casting method |
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| CN113913602B (en) | 2023-03-21 |
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Denomination of invention: A heat treatment equipment for PCB drill bit production Effective date of registration: 20230925 Granted publication date: 20230321 Pledgee: Huishang Bank Co.,Ltd. Lu'an Jiefang Road Hengyuan Branch Pledgor: LIUAN YUSHENG ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2023980058720 |
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