CN2193783Y - Dressing machine for superhard saw blades - Google Patents
Dressing machine for superhard saw blades Download PDFInfo
- Publication number
- CN2193783Y CN2193783Y CN 94215903 CN94215903U CN2193783Y CN 2193783 Y CN2193783 Y CN 2193783Y CN 94215903 CN94215903 CN 94215903 CN 94215903 U CN94215903 U CN 94215903U CN 2193783 Y CN2193783 Y CN 2193783Y
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- grinding head
- saw blade
- saw blades
- eccentric
- feed
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Abstract
The utility model relates to a dressing machine for superhard saw blades. The dressing machine for superhard saw blades is provided with a bed body, a main shaft assembly, a single grinding head component, a double-grinding head component, and a control device. The dressing machine for superhard saw blades is characterized in that the reciprocating feed motion of the single grinding head component and the double-grinding head component is all realized by an eccentric transmission mechanism. Two dressing wheels of the double-grinding head component are all connected and fixed by inner threads. The clamping part of a work piece on the end part of a main shaft is lengthened. Therefore, the dressing machine for superhard saw blades has the advantages that the dressing machine for superhard saw blades has simple structure, easy fabrication, low cost, reliability, durability, good dressing quality, and wider application range; a compressed air source is not needed to match; the dressing machine for superhard saw blades can simultaneously trim the outer cylindrical surfaces of a plurality of saw blades; the dressing machine for superhard saw blades can trim a saw blade whose outer diameter is reduced to 100 mm, etc.
Description
The utility model relates to superhard saw blade trimming device, belongs to particularly dressing technique field of grinding.
With diamond or cubic boron nitride is the superhard saw blade of abrasive material, will be repaired usually and put the first edge on a knife or a pair of scissors, and makes it to reach required geometry and dimensional accuracy and has sharp property, could fully effectively utilize its excellent performance.For this reason, generally put the first edge on a knife or a pair of scissors with German Dr.Fritsch K.G. blade grinding machine finishing.This machine is made of lathe bed, single grinding head parts, two part of the grinding head, main shaft assembly and control device.The spindle drum of main shaft assembly and drive unit vertically are fixed in lathe bed to cutter mechanism by means of guide rail one sliding desk type, and each clamping a slice of spindle nose saw blade is repaired.Two part of the grinding head are by laterally constituting for mechanism and two bistriques to cutter mechanism, two-way infeed mechanism, reciprocating pneumatic longitudinal feed.Two bistriques are freeing wheel with the straight-type wheel, rotation is all perpendicular to main shaft, freeing wheel is fixed in the grinding head motor axle by being threaded beyond the flange, and under the synergy of vertical, horizontal feed mechanism, two freeing wheels are rotating with external cylindrical surface repairs the two side faces that rotates saw blade simultaneously.The single grinding head parts constitute for mechanism, reciprocating pneumatic infeed mechanism and a bistrique by longitudinal feed, bistrique also is freeing wheel with the straight-type wheel, under longitudinal and transverse feed mechanism synergy, freeing wheel rotates the external cylindrical surface of saw blade with external cylindrical surface each finishing a slice in rotation.Therefore, there is following shortcoming in this machine: two part of the grinding head interfere at axial and main shaft assembly easily, can not repair the following small saw blade of external diameter 200mm; Single grinding head infeed and two bistrique longitudinal feed are given reciprocating pneumatic mechanism and are realized, require the user to possess compressed air source, the pneumatic element manufacturing requires tight, and structure is complicated, the cost height, and reliability is difficult for guaranteeing; Spindle nose is fixing a slice saw blade only at every turn, and dressing operation efficient is lower, and it is increasing to the small saw blade consumption to adapt to industries such as building, decoration, and finishing requires more and more higher demand.
The utility model purpose is to improve the finishing machine structure, designs a kind of manufacturing simple in structure, easy, cost is lower, reliability and durability and the scope of application is wideer superhard saw blade finishing machine.
The utility model is a kind of lathe bed 1 that has, main shaft assembly, the single grinding head parts, the superhard saw blade finishing machine (Fig. 1～4) of two part of the grinding head and control device, its single grinding head parts are given mechanism 9 by longitudinal feed, back and forth infeed mechanism 10 and a bistrique constitute, two part of the grinding head have laterally to cutter mechanism 5, two-way infeed mechanism 4, back and forth longitudinal feed is given mechanism 2 and two bistriques, maneuver control device, to cutter mechanism and feed mechanism, can make main shaft 28 drive the saw blade that is fixed on its end rotates, carry out tool setting, and make bistrique unite finishing saw blade working surface under the driving at feed mechanism, main feature is: back and forth longitudinal feed is made of for mechanism 2 longitudinal feed mechanism and eccentric drive mechanism, and its two times of eccentric throws are greater than the thickness sum of saw blade tip maximum height and freeing wheel 19; Back and forth infeed mechanism 10 is an eccentric drive mechanism, and its two times of eccentric throws are greater than the thickness sum of repairing saw blade gross thickness and freeing wheel 21 in groups, and bistrique is realized reciprocating feed by means of eccentric drive mechanism; Other characteristics comprise: the eccentric drive mechanism of single, double part of the grinding head correspondingly has the motor 12,16 that is fixed in lathe bed, eccentric wheel 13,17 that key is connected in motor shaft and is fixed in pedestal 8 and the shift fork of leading screw 6 11,3, when motor 12,16 is being with eccentric wheel 13,17 rotations, orders about shift fork 11,3 and be with bistrique to do the reciprocating feed motion; Two freeing wheels 19 of two part of the grinding head all are connected and fixed with internal thread; The clamping workpiece position of main shaft lengthening, but its length poor less than the width of the reciprocal infeed stroke of single grinding head parts and freeing wheel 21, the external diameter of saw blade external cylindrical surface finishing usefulness flange 29 is greater than the saw blade tip internal diameter.
This finishing machine (Fig. 1～4) has lathe bed 1, main shaft assembly, single grinding head parts, two part of the grinding head and control device.Lathe bed 1 is whole hollow casting or Welding Structure, plays a part fixing and the supporting miscellaneous part.Main shaft assembly has main shaft 28, drive unit, spindle drum 20, flange 29 and nut 30, and spindle drum 20 and drive unit are directly fixed on lathe bed 1.Drive unit is made of motor 24 and transmission device.As required, can adopt belt transmission 23 or gear drive.Spindle nose has flange 29 and nut 30, and its clamping position lengthening, but length poor less than the thickness of reciprocal infeed stroke of single grinding head parts and freeing wheel 21 can one or more pieces saw blades of clamping.Flange 29 has two kinds: the external cylindrical surface finishing uses the external diameter of flange greater than the saw blade tip internal diameter; But less than the saw blade external diameter; Alternative external diameter is less than the saw blade tip internal diameter.During motor 24 startings, saw blade by the drive unit band with main shaft 28 and is rotated.The single grinding head parts constitute for mechanism 9, reciprocal infeed mechanism 10 and a bistrique by longitudinal feed.Longitudinal feed can be cylinder or dovetail guide structure for mechanism 9, can be during manipulation with the bistrique length feed or the withdrawing that are fixed in slide 7, and the shift fork 11 of reciprocal infeed mechanism is fixed in its pedestal 8 bottoms.Bistrique has motor 22 and the dress jail freeing wheel 21 on it.Freeing wheel 22 is a straight-type wheel, can be hard grinding wheel or plain wheel.Back and forth infeed mechanism 10 is an eccentric drive mechanism, is made of the motor 12 that is fixed in lathe bed, eccentric wheel 13 and shift fork 11.Motor can directly or by connecting plate 14 be fixed in lathe bed 1.Eccentric wheel 13 keys are connected in motor shaft, can be overall structure or combining structure, and its eccentric shaft and fork slot are sliding fit, and two times of eccentric throws are greater than the thickness sum of repairing saw blade gross thickness and freeing wheel 21 in groups.Start grinding head motor 22, motor 12 is with advancing to start, drive eccentric wheel 13 rotations, order about the bistrique that shift fork 11 gives mechanism 9 with longitudinal feed and be fixed in slide 7 and do reciprocal infeed motion (Y), under feeding synergy in length and breadth, the external cylindrical surface of one or more pieces saw blades of spindle nose is fixed in finishing.Two part of the grinding head have laterally to cutter mechanism 5, two-way infeed mechanism 4, two bistriques and back and forth longitudinal feed give mechanism 2.Back and forth longitudinal feed is made of for mechanism 2 longitudinal feed mechanism and eccentric drive mechanism.Longitudinal feed mechanism, laterally cutter mechanism 5 and two-way infeed mechanism 4 all be can be cylinder or dovetail guide structure, when handling longitudinal feed and giving mechanism, slide 15 is with two-way infeed mechanism 4 fixed thereon, laterally make length feed to cutter mechanism 5 and two bistriques.Its eccentric drive mechanism structure and single grinding head parts basic identical, but eccentric throw difference, its two times of values are greater than the thickness sum of finishing saw blade tip maximum height and freeing wheel 19, and shift fork 3 is fixed in vertically to cutter mechanism leading screw 6.During motor 16 rotations, eccentric wheel 17 shift forks 3 are being with leading screw 6, two-way infeed mechanism 4, laterally cutter mechanism 5 and two bistriques are being made reciprocal longitudinal feed to motion (X), handle laterally can make two bistriques along laterally mobile to cutter mechanism 5, carry out horizontal tool setting.Two-way infeed mechanism 4 has leading screw, nut, slide and guide rail, the hand of spiral of two sections screw threads is opposite on the leading screw, and be engaged in fixing a nut of a slide respectively, can do to move in opposite directions at the rotational workpieces of spindle nose to adorning the jail with two bistriques during manipulation, realize two-way infeed or withdrawing, make two bistriques under feeding synergy in length and breadth, repair the two side faces of saw blade simultaneously with its freeing wheel external cylindrical surface.The structure of two bistriques and single grinding head parts basic identical, just two freeing wheels 19 all are fastened on key with internal thread and are connected on the flange 25 of motor shaft: flange 25 has screwed hole, and freeing wheel 19 is fixed in flange 25 by means of gland 26, screw 27.This structure can make the axial dimension of two bistriques reduce to minimum, thereby has dwindled two bistriques when the finishing saw blade and the space that interferes of main shaft assembly.Control device is installed on the lathe bed, comprises electric appliance box and button case.Maneuver control device, to cutter mechanism and feed mechanism, just can drive a slice saw blade that is fixed on spindle nose rotates, carry out the length feed and the laterally tool setting of two part of the grinding head, the freeing wheel 19 that orders about two bistriques rotates in opposite directions around axle, and make reciprocal longitudinal feed and give and two-way infeed, repair the two side faces of saw blade simultaneously with its external cylindrical surface; Withdrawing was shut down after finishing finished, and unloaded workpiece.Repeat above-mentioned operation, after trimming the side of multi-disc saw blade, they repeatedly can be dressed up group, be fixed on spindle nose, handle again main shaft and single grinding head parts to cutter mechanism, feed mechanism and corresponding control button, just can the longitudinal feed of bistrique give and reciprocal infeed synergy under, make freeing wheel in rotation, once repair the external cylindrical surface of multi-disc saw blade with external cylindrical surface, the finishing of the finishing saw blade all working surface efficiently operation of putting the first edge on a knife or a pair of scissors, and dressing quality is good.This machine also can be repaired a slice saw blade at every turn, also is applicable to the finishing hard grinding wheel.
As seen, compared with the prior art, the utility model finishing machine has following advantage: single grinding head parts and two part of the grinding head all adopt eccentric drive mechanism to realize the reciprocating feed motion, eccentric drive mechanism is simple in structure, makes easily, and cost is lower, reliability and durability, need not be equipped with compressed air source; Two freeing wheels 19 of two part of the grinding head all are connected and fixed with internal thread, so its axial dimension is little, can repair the small saw blade that external diameter is 100～200mm; Spindle nose clamping workpiece position is longer, saw blade external cylindrical surface finishing with the external diameter of flange 29 greater than the saw blade tip internal diameter, can be securely clamping multi-disc saw blade in groups, once repair the external cylindrical surface of multi-disc saw blade simultaneously, so the dressing efficiency height, the scope of application is wideer.
Fig. 1 is the front view of this superhard saw blade finishing machine.
Fig. 2 is the vertical view of finishing machine shown in Figure 1.
Fig. 3 is the internal thread fixed structure chart of two part of the grinding head freeing wheels.
Fig. 4 is a spindle nose clamping workpiece structure chart in groups.
Embodiment
A kind of superhard saw blade finishing machine (Fig. 1～4) with lathe bed 1, main shaft assembly, single grinding head parts, two part of the grinding head and control device, its lathe bed 1 is whole hollow casting, and miscellaneous part is played fixing and supporting role.Main shaft assembly has main shaft 28, drive unit, spindle drum 20, flange 29 and nut 30.Spindle drum 20 and drive unit are directly fixed on lathe bed 1.Drive unit is made of motor 24 and belt drive unit 23.Clamping workpiece parts lengthening on the main shaft, but length poor less than the width of reciprocal infeed stroke of single grinding head parts and freeing wheel 21.Flange 29 has two kinds: a kind of external diameter is used for finishing external cylindrical surface fashionable dress binding sheet greater than the saw blade tip internal diameter; Another kind of external diameter is used during for the finishing two side faces less than the saw blade tip internal diameter.Utilize flange 29 and nut 30 that one or more pieces saw blade dresses are firm behind main shaft 28, actuating motor 24, main shaft 28 just are being with the workpiece rotation.The single grinding head parts constitute for mechanism 9, reciprocal infeed mechanism 10 and a bistrique by longitudinal feed.Longitudinal feed is the cylindrical guide structure for mechanism 9, and the shift fork 11 of reciprocal infeed mechanism 10 is fixed in its pedestal 8 bottoms, can be with the bistrique length feed or the withdrawing that are fixed in slide 7 during manipulation.Bistrique has motor 22 and the dress jail freeing wheel 21 on it.Freeing wheel 21 is flat shape plain wheel.Back and forth infeed mechanism 10 is eccentric drive mechanisms, constitute by the motor 12 that is fixed in lathe bed by means of connecting plate 14, combined type eccentric wheel 13 and shift fork 11 that key is connected in motor shaft, its eccentric shaft and fork slot are sliding fit, and two times of eccentric throws are repaired the big 5mm of thickness sum of saw blade gross thickness and freeing wheel 21 more in groups.Start grinding head motor 22, eccentric stiffener motor 12 starts simultaneously, drive eccentric wheel 13 rotations, order about the bistrique that shift fork 11 gives mechanism 9 with longitudinal feed and be fixed in slide 7 and do reciprocal infeed motion, thereby make bistrique under longitudinal and transverse feed mechanism synergy, repair the external cylindrical surface of one or more pieces saw blades that spindle nose is installed.Two part of the grinding head have laterally gives mechanism 2 and two bistriques to cutter mechanism 5, two-way infeed mechanism 4, reciprocal longitudinal feed.Back and forth longitudinal feed is made of for mechanism 2 longitudinal feed mechanism and eccentric drive mechanism.Longitudinal feed mechanism, laterally cutter mechanism 5 and two-way infeed mechanism 4 are the cylindrical guide structure, slide 15 is with two-way infeed mechanism 4 fixed thereon, laterally make length feed to cutter mechanism 5 and two bistriques during manipulation.Its eccentric drive mechanism structure and single grinding head parts basic identical, but eccentric throw difference, its two times of values are than the big 5mm of thickness sum of saw blade tip maximum height and freeing wheel 19, and shift fork 3 is fixed in leading screw 6.When motor 16 rotated, eccentric wheel 17 shift forks 3 had been with leading screw 6, two-way infeed mechanism 4, laterally cutter mechanism 5 and two bistriques are being made reciprocal longitudinal feed to motion.Handle laterally and can make two horizontal moving in bistriques edge, carry out horizontal tool setting cutter mechanism 5.Two-way infeed mechanism has leading screw, nut, slide and guide rail, the direction of rotation of two sections screw threads is opposite on the leading screw, and be engaged in fixing a nut of a slide respectively, can be with two bistriques that rotational workpieces is done to move in opposite directions during manipulation, realize two-way infeed or withdrawing, make two freeing wheels 19 under longitudinal and transverse feed mechanism synergy, repair the two side faces of saw blade simultaneously with external cylindrical surface.The structure of two bistriques and single grinding head parts basic identical, just its two freeing wheels 19 all are connected and fixed on flange 25 with internal thread: flange 25 has screw, by screw 27 and gland 26 freeing wheel 19 is fixed in flange 25.This reduces to minimum with regard to the axial dimension that makes two bistriques, has guaranteed diameter is reached for a short time the finishing of 100mm saw blade.Control device comprises electric appliance box and button case, all is installed on lathe bed 1.Maneuver control device, to cutter mechanism and feed mechanism, just can make main shaft 28 drive the rotation of a slice saw blade, carry out the horizontal tool setting and the length feed of two part of the grinding head, the freeing wheel 19 of two bistriques is rotated in opposite directions, back and forth longitudinal feed is given and reached two-way infeed, repairs the saw blade two side faces simultaneously; Repair the back withdrawing that finishes, close spindle motor, unload saw blade.Repeat above-mentioned operation repeatedly, the multi-disc workpiece that trims the side is repeatedly dressed up group, be fixed in spindle nose, handle again main shaft and single grinding head parts to cutter mechanism, feed mechanism and corresponding control button, just can be under longitudinal and transverse feeding synergy, make freeing wheel 21 once repair the external cylindrical surface of saw blade in groups simultaneously, the finishing of finishing the whole working surfaces of the saw blade efficiently operation of putting the first edge on a knife or a pair of scissors, and also dressing quality is good.Similarly, this machine also is applicable to the hard grinding wheel finishing.
Claims (3)
1, a kind of have a lathe bed (1), main shaft assembly, the single grinding head parts, the superhard saw blade finishing machine of two part of the grinding head and control device, the single grinding head parts are given mechanism (9) by longitudinal feed, back and forth infeed mechanism (10) and a bistrique constitute, two part of the grinding head have laterally to cutter mechanism (5), two-way infeed mechanism (4), back and forth longitudinal feed is given mechanism (2) and two bistriques, maneuver control device, to cutter mechanism and feed mechanism, can carry out tool setting, make the saw blade rotation that is fixed on spindle nose, and make bistrique unite the working surface of finishing saw blade under the driving at feed mechanism, it is characterized in that: back and forth longitudinal feed is made of for mechanism (2) longitudinal feed mechanism and eccentric drive mechanism, its two times of eccentric throws are greater than the maximum height of saw blade tip and the thickness sum of freeing wheel (19), back and forth infeed mechanism (10) is an eccentric drive mechanism, its two times of eccentric throws are greater than the thickness sum of repairing saw blade gross thickness and freeing wheel (21) in groups, and bistrique is realized reciprocating feed by means of eccentric drive mechanism.
2, the finishing machine according to claim 1 is characterized in that: the single grinding head parts correspondingly have the motor (12,16) that is fixed in lathe bed, the eccentric wheel (13,17) that key is connected in motor shaft and the shift fork (11,3) that is fixed in pedestal (8), leading screw (6) with the eccentric drive mechanism of two part of the grinding head; Motor (12,16) is being with eccentric wheel (13,17) rotation, orders about shift fork (11,3) and is being with bistrique to do the reciprocating feed motion; Two freeing wheels (19) of two part of the grinding head all are connected and fixed with internal thread.
3, according to claim 1 or 2 described finishing machines, it is characterized in that: the clamping workpiece position lengthening of main shaft, but length is poor less than the width of reciprocal infeed stroke of single grinding head parts and freeing wheel (21), the finishing of saw blade external cylindrical surface with the external diameter of flange (29) greater than the saw blade tip internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94215903 CN2193783Y (en) | 1994-06-18 | 1994-06-18 | Dressing machine for superhard saw blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94215903 CN2193783Y (en) | 1994-06-18 | 1994-06-18 | Dressing machine for superhard saw blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2193783Y true CN2193783Y (en) | 1995-04-05 |
Family
ID=33831762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94215903 Expired - Fee Related CN2193783Y (en) | 1994-06-18 | 1994-06-18 | Dressing machine for superhard saw blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2193783Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649248A (en) * | 2012-05-13 | 2012-08-29 | 叶培康 | Gear manufacturing and grinding machine of slotting cutter blade |
| CN103317407A (en) * | 2013-06-04 | 2013-09-25 | 项大清 | Diamond tool bit slope grinding device |
| CN111659951A (en) * | 2020-07-10 | 2020-09-15 | 湖北科技学院 | Saw blade polishing position switching device on automatic saw blade grinding machine |
| CN112388065A (en) * | 2020-10-24 | 2021-02-23 | 河北小蜜蜂工具集团有限公司 | Top edge machine for circular saw blade |
-
1994
- 1994-06-18 CN CN 94215903 patent/CN2193783Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649248A (en) * | 2012-05-13 | 2012-08-29 | 叶培康 | Gear manufacturing and grinding machine of slotting cutter blade |
| CN103317407A (en) * | 2013-06-04 | 2013-09-25 | 项大清 | Diamond tool bit slope grinding device |
| CN103317407B (en) * | 2013-06-04 | 2016-09-07 | 项大清 | Diamond segment angular surface grinding device |
| CN111659951A (en) * | 2020-07-10 | 2020-09-15 | 湖北科技学院 | Saw blade polishing position switching device on automatic saw blade grinding machine |
| CN111659951B (en) * | 2020-07-10 | 2024-04-19 | 湖北科技学院 | Saw blade polishing position switching device on automatic saw blade grinding machine |
| CN112388065A (en) * | 2020-10-24 | 2021-02-23 | 河北小蜜蜂工具集团有限公司 | Top edge machine for circular saw blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |