阅读说明：本技术 锯片生产工艺及其锯片切齿用激光切割机 (Saw blade production process and laser cutting machine for saw blade tooth cutting ) 是由 陈亮 凌浩 凌鑫 于 2021-09-10 设计创作，主要内容包括：本发明公开了一种锯片生产工艺及其锯片切齿用激光切割机,属于锯片生产设备技术领域。其解决了现有技术中的锯片生产工艺锯片交付时间长和企业采购成本高的缺陷。其主要包括基体加工阶段和定制加工阶段；所述基体加工阶段包括以下步骤：A1、采用激光切割机对钢板进行切割,切割出圆形基体毛坯和在基体毛坯上切割出中心定位孔；A2、将基体毛坯依次进行调质和校平处理,将校平后的基体毛坯取出放入清洗机清洗并吹干；A3、对基体毛坯的上下两面进行磨平面处理,以加工出一定厚度的基体毛坯；所述定制加工阶段包括以下步骤：B1、采用激光切割机对基体毛坯进行切齿处理,所述激光切割机的辅助气是氮气；B2、对切齿完成的基体毛坯进行抛光处理。(The invention discloses a saw blade production process and a laser cutting machine for cutting teeth of the saw blade, and belongs to the technical field of saw blade production equipment. The defects that the delivery time of the saw blade is long and the purchasing cost of enterprises is high in the saw blade production process in the prior art are overcome. The method mainly comprises a matrix processing stage and a customization processing stage; the matrix processing stage comprises the following steps: a1, cutting the steel plate by a laser cutting machine, cutting a circular base blank and cutting a central positioning hole on the base blank; a2, sequentially quenching, tempering and leveling the base body blank, taking out the leveled base body blank, putting the base body blank into a cleaning machine for cleaning and drying; a3, performing plane grinding treatment on the upper surface and the lower surface of the substrate blank to process the substrate blank with a certain thickness; the customizing process stage comprises the steps of: b1, performing tooth cutting treatment on the substrate blank by using a laser cutting machine, wherein the auxiliary gas of the laser cutting machine is nitrogen; and B2, polishing the base blank with the cut teeth.)

1. A saw blade production process is characterized in that: comprises a substrate processing stage and a customization processing stage;

the matrix processing stage comprises the following steps:

a1, cutting the steel plate by a laser cutting machine, cutting a circular base blank and cutting a central positioning hole on the base blank;

a2, sequentially quenching, tempering and leveling the base body blank, taking out the leveled base body blank, putting the base body blank into a cleaning machine for cleaning and drying;

a3, performing plane grinding treatment on the upper surface and the lower surface of the substrate blank to process the substrate blank with a certain thickness;

the customizing process stage comprises the steps of:

b1, performing tooth cutting treatment on the substrate blank by using a laser cutting machine, wherein the auxiliary gas of the laser cutting machine is nitrogen;

and B2, polishing the base blank with the cut teeth.

2. The saw blade production process as claimed in claim 1, wherein: the quenching and tempering in the step A2 comprises the following steps: and (3) putting the substrate blank into a high-temperature furnace for quenching, wherein the heating temperature is 800-.

3. The saw blade production process according to claim 2, wherein: and (3) carrying out molten salt quenching on the quenched substrate blank firstly and then tempering, wherein the molten salt quenching temperature is 280-320 ℃, and the molten salt quenching time is 4-6 seconds.

4. The saw blade production process as claimed in claim 1, wherein: the leveling process in the step a2 includes: and placing the quenched and tempered saw blade matrix between two pressing plates for pressurizing, wherein the pressurizing time is 145-155 seconds.

5. The saw blade production process as claimed in claim 1, wherein: the grinding plane processing in the step A3 is mainly to grind the basic blank by a grinding machine.

6. The utility model provides a saw bit is laser cutting machine for gear cutting which characterized in that: comprises a cutting machine body (1), wherein the cutting machine body (1) comprises a workbench (2), a slag leaking hole and a supporting beam are arranged on the workbench (2), a support is arranged on the supporting beam, the support comprises a positioning column (3) and a plurality of supporting columns (4) distributed along the circumferential direction, magnets (5) are arranged at the upper ends of the supporting columns (4), the workbench (2) is provided with a feeding area, the workbench (2) is provided with a vertical rod (6) and a feeding device in the feeding area, a magnetic force splitter (7) is arranged at the outer side of the vertical rod (6), the feeding device comprises a track (8) arranged at the upper side of the workbench (2), a slide block is arranged in the track (8), a threaded hole is formed in the slide block, a lead screw motor (9) is arranged at one end of the slide rail, a lead screw is arranged on the lead screw motor (9), the lead screw penetrates through a threaded hole in the slide block and drives the slide block to move, and the slide block is fixedly connected with a first lifting rod (10), the bottom of the first lifting rod (10) is connected with a lifting frame (11), and a plurality of vacuum suction cups (12) are arranged at the bottom of the lifting frame (11); the tray (13) is sleeved on the upright rod (6), the lifting device is installed at the bottom of the tray (13) on the workbench (2), and the lifting device drives the tray (13) to move up and down.

7. The laser cutter for blade cutting teeth of claim 6, wherein: the workbench (2) is provided with a switch door (14) on the inner side of the feeding area, a through groove is formed in the switch door (14), and a stop curtain (15) is arranged on the through groove.

8. The laser cutter for blade cutting teeth of claim 6, wherein: the lifting device comprises a rotating motor (16), a driving gear (15) is installed at one end of an output shaft on the rotating motor (16), a rack (14) is fixedly connected to the bottom of the tray (13), a sliding cavity for the rack (14) to slide is formed in the vertical rod (6), and a through hole for the rack (14) to penetrate is formed in the workbench (2).

9. The laser cutter for blade cutting teeth of claim 6, wherein: the lifting device comprises a second lifting rod, and the top of the second lifting rod is fixedly connected with the tray (13).

10. The laser cutter for blade cutting teeth of claim 6, wherein: and a bushing is arranged on the positioning column (3).

Technical Field

The invention belongs to the technical field of saw blade production equipment, and particularly relates to a saw blade production process and a laser cutting machine for cutting teeth of a saw blade.

Background

When a saw blade matrix manufacturer produces a saw blade, the production flow mainly comprises the steps of blanking, heat treatment, gear cutting, plane grinding, polishing, stress making, leveling and the like in sequence. Saw blade base member manufacturers need to deliver saw blade base members to saw blade finished product manufacturers after cutting teeth, the delivery time is long, sometimes the delivery time is several months, the price of finished products is high, the purchase cost of the saw blade finished product manufacturers is increased, and a new saw blade production process is urgently needed in the market at present so as to reduce the delivery time of saw blades and the purchase cost of enterprises.

Disclosure of Invention

The invention aims to provide a saw blade production process and a laser cutting machine for cutting teeth of the saw blade, so as to overcome the defects of long saw blade delivery time and high enterprise purchase cost in the saw blade production process in the prior art.

The invention is realized by adopting the following technical scheme: a production process of a saw blade comprises a matrix processing stage and a customization processing stage;

the matrix processing stage comprises the following steps:

a1, cutting the steel plate by a laser cutting machine, cutting a circular base blank and cutting a central positioning hole on the base blank;

a2, sequentially quenching, tempering and leveling the base body blank, taking out the leveled base body blank, putting the base body blank into a cleaning machine for cleaning and drying;

a3, performing plane grinding treatment on the upper surface and the lower surface of the substrate blank to process the substrate blank with a certain thickness;

the customizing process stage comprises the steps of:

b1, performing tooth cutting treatment on the substrate blank by using a laser cutting machine, wherein the auxiliary gas of the laser cutting machine is nitrogen;

and B2, polishing the base blank with the cut teeth.

Further, the thermal refining in the step a2 includes: and (3) putting the substrate blank into a high-temperature furnace for quenching, wherein the heating temperature is 800-.

Further, the quenched substrate blank is firstly subjected to molten salt quenching and then tempered, the molten salt quenching temperature is 280-320 ℃, and the molten salt quenching time is 4-6 seconds.

Further, the leveling process in the step a2 includes: and placing the quenched and tempered saw blade matrix between two pressing plates for pressurizing, wherein the pressurizing time is 145-155 seconds.

Further, the step a3 of grinding the plane is to grind the basic blank mainly by a grinder.

The laser cutting machine for cutting teeth of the saw blade comprises a cutting machine body, wherein the cutting machine body comprises a workbench, the worktable is provided with a slag leaking hole and a supporting beam, the supporting beam is provided with a bracket, the bracket comprises a positioning column and a plurality of supporting columns distributed along the circumferential direction, the upper ends of the supporting columns are provided with magnets, the workbench is provided with a feeding area, the workbench is provided with a vertical rod and a feeding device in the feeding area, the outer side of the vertical rod is provided with a magnetic force tension divider, the feeding device comprises a track arranged on the upper side of the workbench, a slide block is arranged in the track, a threaded hole is formed in the slide block, a lead screw motor is arranged at one end of the slide rail, a lead screw is arranged on the lead screw motor, the lead screw penetrates through the threaded hole in the slide block and drives the slide block to move, the sliding block is fixedly connected with a first lifting rod, the bottom of the first lifting rod is connected with a lifting frame, and a plurality of vacuum suckers are installed at the bottom of the lifting frame; the tray is sleeved on the upright rod, the lifting device is installed at the bottom of the tray on the workbench, and the lifting device drives the tray to move up and down.

Furthermore, a switch door is installed on the inner side of the feeding area of the workbench, a through groove is formed in the switch door, and a stop curtain is installed on the through groove.

Further, elevating gear includes the rotating electrical machines, and the last output shaft one end installation drive gear of rotating electrical machines, tray bottom fixed connection rack, be equipped with in the pole setting and supply the gliding slip chamber of rack, the workstation is equipped with the perforation that supplies the rack to pass.

Further, the lifting device comprises a second lifting rod, and the top of the second lifting rod is fixedly connected with the tray 13.

Further, a bushing is installed on the positioning column.

Compared with the prior art, the invention has the beneficial effects that:

1. the conventional processing technology of the existing saw blade is changed, the grinding plane and the leveling procedure are moved to the front of the gear cutting procedure to be completed, the procedures needing large scale, heavy assets and high energy consumption are all moved to the matrix processing phase, the matrix processing phase can be completed on a large scale in a saw blade matrix manufacturer, the gear cutting procedure can be completed only by a small laser cutting machine, the equipment investment is small, the saw blade finished product manufacturer can only purchase a matrix blank, and the purchased matrix blank is subjected to gear cutting processing in the saw blade finished product manufacturer, so that the delivery period can be shortened, and the cost of purchasing the saw blade by an enterprise is reduced;

2. the laser cutting machine can avoid scratches of the saw blade during processing to the maximum extent and obviously improve the production automation and the processing efficiency, and the deep scratches of the saw blade are avoided as much as possible because the plane grinding process and the tooth cutting process are carried out in different manufacturers.

Drawings

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

FIG. 2 is an enlarged view I of a portion of FIG. 1;

FIG. 3 is a perspective view of the present invention;

fig. 4 is a partial enlarged view II of fig. 3.

In the figure: 1. a cutter body; 2. a work table; 3. a positioning column; 4. a support pillar; 5. a magnet; 6. erecting a rod; 7. a magnetic separator; 8. a track; 9. a screw motor; 10. a first lifting rod; 11. a lifting frame; 12. a vacuum chuck; 13. a tray; 14. a rack; 15. a drive gear; 16. a rotating electric machine.

Detailed Description

The invention will be further explained with reference to the drawings.

A production process of a saw blade comprises a matrix processing stage and a customization processing stage;

the matrix processing stage comprises the following steps:

a1, cutting the steel plate by a laser cutting machine, cutting a circular base blank and cutting a central positioning hole on the base blank;

a2, sequentially quenching, tempering and leveling the base body blank, taking out the leveled base body blank, putting the base body blank into a cleaning machine for cleaning and drying;

a3, performing plane grinding treatment on the upper surface and the lower surface of the substrate blank to process the substrate blank with a certain thickness;

the customizing process stage comprises the steps of:

b1, performing tooth cutting treatment on the substrate blank by using a laser cutting machine, wherein the auxiliary gas of the laser cutting machine is nitrogen;

and B2, polishing the base blank with the cut teeth.

The invention changes the production process of the prior saw blade, which sequentially comprises the steps of blanking, heat treatment, gear cutting, plane grinding, polishing, stress making and leveling, the invention moves the procedures of plane grinding, stress making and leveling to the front of the gear cutting to form a continuous procedure, namely the procedures of blanking, heat treatment, plane grinding, polishing, stress making and leveling are taken as the matrix processing stage, the production condition of the stage is characterized by scale, heavy assets and high energy consumption, the production is required to be completed in a saw blade matrix manufacturer, the saw blade finished product manufacturer generally does not have the condition, the gear cutting and polishing are taken as the customized processing stage, the production condition of the stage is characterized by small equipment investment and various processing specifications, the purchase of the matrix blank in the stage is completed in an enterprise, the delivery period can be greatly improved, and the saw blade matrix manufacturer can continuously produce the matrix blank in a large scale, and the price of the base body blank is much lower than that of the saw blade finished product, and the purchasing pressure of a saw blade finished product manufacturer is reduced to a great extent.

The quenching and tempering in the step A2 comprises the following steps: and (3) putting the substrate blank into a high-temperature furnace for quenching, wherein the heating temperature is 800-.

And (3) carrying out molten salt quenching on the quenched substrate blank firstly and then tempering, wherein the molten salt quenching temperature is 280-320 ℃, and the molten salt quenching time is 4-6 seconds.

The leveling process in the step a2 includes: and placing the quenched and tempered saw blade matrix between two pressing plates for pressurizing, wherein the pressurizing time is 145-155 seconds.

The grinding plane processing in the step A3 is mainly to grind the basic blank by a grinding machine.

The laser cutting machine in the step B1 comprises a cutting machine body 1, the cutting machine body 1 comprises a workbench 2, the workbench 2 is provided with a slag leaking hole and is provided with a supporting beam, the supporting beam is provided with a support, the support comprises a positioning column 3 and a plurality of supporting columns 4 distributed along the circumferential direction, the upper ends of the supporting columns 4 are provided with magnets 5, silica gel blocks are arranged on the magnets 5, the workbench 2 is provided with a feeding area, the workbench 2 is provided with a vertical rod 6 and a feeding device in the feeding area, the outer side of the vertical rod 6 is provided with a magnetic force splitter 7, the feeding device comprises a rail 8 arranged on the upper side of the workbench 2, a slide block is arranged in the rail 8, a threaded hole is formed in the slide block, one end of the slide rail is provided with a lead screw motor 9, a lead screw is arranged on the lead screw motor 9, the lead screw passes through the threaded hole in the slide block and drives the slide block to move, the slide block is fixedly connected with a first lifting rod 10, the bottom of the first lifting rod 10 is connected with a lifting frame 11, the bottom of the lifting frame 11 is provided with a plurality of vacuum suction cups 12; the tray 13 is sleeved on the upright rod 6, the lifting device is arranged at the bottom of the tray 13 on the workbench 2, and the lifting device drives the tray 13 to move up and down.

A proximity switch can be arranged at the bottom of the lifting frame 11, when the first lifting rod 10 drives the lifting frame 11 to move downwards, and the proximity switch induces that a saw blade exists at a certain distance, the vacuum chuck 12 is electrified to work; according to the invention, a distance sensor can be arranged on the top of the vertical rod 6, the distance sensor can detect the distance from the top of the vertical rod 6 to the uppermost substrate blank on the tray 13, and if the distance is too large, the lifting device can drive the tray 13 to move upwards for a certain distance.

The working process is as follows:

when a base blank is processed, a worker firstly places a plurality of base blanks on the tray 13, when a distance sensor at the top of the upright rod 6 senses that the distance between the uppermost saw blade and the top of the upright rod 6 is too large, the lifting device drives the tray 13 to move upwards for a certain distance, the magnetic force distractor 7 can act on the base blanks at the upper side to separate from each other, the base blanks are prevented from being rubbed with each other to generate scratches, after the first lifting rod 10 acts on the vacuum sucker 12 to move downwards for a certain distance, the vacuum sucker 12 is electrified and sucks the uppermost base blank, the first lifting rod 10 drives the lifting frame 11 and the base blanks to move upwards for a certain distance, at the moment, the lead screw motor 9 drives the lead screw to rotate, and further drives the sliding block, the first lifting rod 10, the lifting frame 11 and the base blanks to move to the upper side of the support, at the moment, the first lifting rod 10 drives the lifting frame 11 and the base blanks to move downwards for a certain distance, the vacuum chuck 12 is powered off, the base body blank falls onto the silica gel block from the vacuum chuck 12, the magnet 5 on the lower side of the silica gel block attracts the base body blank, meanwhile, the positioning column is inserted into the central positioning hole of the base body blank, the first lifting rod 10 drives the lifting frame 11 to move upwards, and finally tooth cutting operation is carried out.

The workbench 2 is provided with a switch door 14 on the inner side of the feeding area, a through groove is formed in the switch door 14, and a stop curtain 15 is arranged on the through groove.

According to the invention, the switch door 14 and the stop curtain 15 are arranged, so that dust generated by processing can be well prevented from escaping, and the groove is used for enabling the track 8, the sliding block, the lifting frame 11 and the first lifting rod 10 to penetrate through the switch door 14 when the switch door 14 is closed.

The lifting device comprises a rotating motor 16, a driving gear 15 is mounted at one end of an output shaft of the rotating motor 16, a rack 14 is fixedly connected to the bottom of the tray 13, a sliding cavity for the rack 14 to slide is formed in the upright rod 6, and a through hole for the rack 14 to pass through is formed in the workbench 2.

The rotating motor 16 of the present invention drives the driving gear 15 to rotate and further drives the rack 14 and the tray 13 to move up and down.

The lifting device comprises a second lifting rod, and the top of the second lifting rod is fixedly connected with the tray 13.

And a bush is arranged on the positioning column 3.

The invention can meet the requirement of processing center positioning holes of various specifications by installing the bushing.