CN202726411U - Electrode tip grinding machine - Google Patents
Electrode tip grinding machine Download PDFInfo
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- CN202726411U CN202726411U CN 201220322942 CN201220322942U CN202726411U CN 202726411 U CN202726411 U CN 202726411U CN 201220322942 CN201220322942 CN 201220322942 CN 201220322942 U CN201220322942 U CN 201220322942U CN 202726411 U CN202726411 U CN 202726411U
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Abstract
The utility model provides an electrode tip grinding machine which is compactly formed so as to reduce cutting operation space and arrangement space. The electrode tip grinding machine (5) comprises a driving motor which can rotate to drive a grinding cutter clamp (9) for supporting a grinding cutter (7), a gear (16), a casing (12) and a rolling bearing (32), wherein the gear is formed by hypoid gear large wheel (17) and a hypoid gear small wheel (18) extending from a driving shaft of the driving motor, the grinding cutter clamp is installed on a retainer in a state that the hypoid gear large wheel and the retainer (28) are covered, the rolling bearing is accommodated in an accommodation concave portion in a method that an outer ring (33) is arranged in the accommodation concave portion (24a) of the casing, the retainer and the hypoid gear large wheel are connected with an inner ring (34) in a state that the rolling bearing is positioned at the back of a tooth groove (17c) of the hypoid gear larger wheel, and accordingly the rolling bearing is installed on the casing.
Description
Technical field
The utility model relates to the electrode tip reconditioning equipment (tip dresser) that cutting and grinding is carried out on a kind of top to the pair of electrodes head that kept by welding gun.
Background technology
In the past, as electrode tip reconditioning equipment, following structure is arranged: it has the polishing cutter that is kept by polishing tool holder (holder), and this polishing tool holder has and the electrode tip consistent pivot axis in axle center each other, utilizes the drive motor rotary actuation tool holder of polishing.In above-mentioned electrode tip reconditioning equipment in the past, the pivot axis almost parallel (for example, with reference to patent document 1) of the driving shaft of drive motor and polishing tool holder.
And, also there is a kind of electrode tip regenerating unit, it constitutes the driving shaft that makes drive motor and the axle center quadrature (for example, with reference to patent document 2) of electrode tip.
Patent documentation 1: TOHKEMY 2008-73716 communique
Patent documentation 2: TOHKEMY 2010-188366 communique
But, in above-mentioned patent documentation 1 described electrode tip reconditioning equipment, owing to make the driving shaft of drive motor and the pivot axis almost parallel of polishing tool holder, therefore, the drive motor anchor clamps of from whetting a knife are outstanding greatly along the pivot axis, and its volume is increased.Therefore, for setting position, need larger space, and, in the situation about using electrode tip reconditioning equipment is installed in the top of mechanical arm, also need larger cutting operation space, therefore, reducing the cutting operation space, this aspect of space is set is producing problem.
And, above-mentioned patent documentation 2 described electrode tip regenerating units constitute, for the volume that does not make drive motor increases in the direction of the pivot axis of edge polishing tool holder, use hypoid gear bull wheel (hypoid gear) and hypoid gear steamboat (hypoid pinion), and make the driving shaft of drive motor and the axle center quadrature of electrode tip, but, make further compact these some existing problems on every side of polishing tool holder.
The utility model content
The utility model is used for addressing the above problem, and can consist of compactly the electrode tip reconditioning equipment that can reduce the cutting operation space, the space is set thereby its purpose is to provide a kind of.
The explanation of technical scheme 1
Electrode tip reconditioning equipment of the present utility model constitutes on one side and makes the top each other of relative pair of electrodes head near electrode tip reconditioning equipment, make the top each other of relative pair of electrodes head contact and grind with the polishing cutter of rotation on one side, it comprises: the polishing cutter, and it can cut near the top to each electrode tip; The polishing tool holder, it be used for to keep the polishing cutter, and, have with electrode tip and be driven in rotation each other the consistent pivot axis in axle center; Drive motor, it is as the drive source of rotary actuation polishing tool holder; Gear, it is used for the driving of drive motor is passed to the polishing tool holder; Shell, it is used for holding gear; Rolling bearing, it is between gear and polishing tool holder and shell, it is characterized in that, drive motor constitutes the pivot axis quadrature roughly that makes driving shaft and polishing tool holder, gear is by the outer circumferential side that is configured in the polishing tool holder and make the consistent circular hypoid gear bull wheel of pivot axis of its pivot axis and polishing tool holder and hypoid gear steamboat that the driving shaft extension of self-driven motor and the mode that staggers with the pivot axis with respect to the hypoid gear bull wheel configure consists of, the polishing tool holder is installed on retainer with outer circumferential side by the hypoid gear bull wheel with at the state along the circular retainer covering adjacent with the hypoid gear bull wheel of the direction side of pivot axis of polishing tool holder, shell is divided into two parts in the direction side of the pivot axis of edge polishing tool holder, comprise the gear side position that forms hypoid gear bull wheel side and the frame side that forms the retainer side, rolling bearing has the outer shroud (outer race) that is disposed at outer circumferential side, be disposed at interior ring (inner race) and the rolling element between outer shroud and interior ring of interior all sides, it is so that outer shroud remains on the mode in the recess held at least one position of being formed at gear side position and frame side outer shroud is contained in holds in the recess, and, under the state at the position of the rear side of the teeth groove that rolling bearing is configured in the hypoid gear bull wheel, retainer and hypoid gear bull wheel are connected with interior ring, thereby rolling bearing is installed on shell.
In electrode tip reconditioning equipment of the present utility model, pass to the gear of polishing tool holder as the driving with drive motor, the gear that the hypoid gear steamboat that use is extended by the driving shaft of the hypoid gear bull wheel of the outer circumferential side that is configured in the polishing tool holder and the self-driven motor of mode that staggers with the pivot axis with respect to the hypoid gear bull wheel consists of, drive motor constitutes the pivot axis quadrature roughly that makes driving shaft and polishing tool holder, therefore, can suppress the drive motor anchor clamps of from whetting a knife outstanding greatly along the pivot axis, can reduce the width dimensions of direction side along the pivot axis of polishing tool holder of drive motor, increase thereby can suppress volume.
And, in electrode tip reconditioning equipment of the present utility model, adopt the structure at this position of rear side of the teeth groove that only rolling bearing is configured in the hypoid gear bull wheel, this rolling bearing is constituted, outer shroud being kept and being contained in the holding under the state in the recess of the gear side position that is formed at the shell that holds gear or retainer side, retainer is connected with interior ring with the hypoid gear bull wheel.Therefore, in electrode tip reconditioning equipment of the present utility model, although be the structure that only rolling bearing is configured in a position, also can when drive motor drives, make and keep the retainer of polishing tool holder to rotate sleekly with respect to shell with the hypoid gear bull wheel, therefore, compare in the situation of two positions configuration rolling bearings with the mode with the front and back of clamping hypoid gear bull wheel, can also reduce the width dimensions of direction side along the pivot axis of polishing tool holder be used to the shell that holds gear itself, and, owing to this rolling bearing is configured in the rear side of the teeth groove of hypoid gear bull wheel, therefore, can make rolling bearing, the teeth groove of hypoid gear bull wheel approaches the pivot axis of polishing tool holder, can make the outside dimension of the member on every side of polishing tool holder become compact, thereby can reduce electrode tip reconditioning equipment with doing one's utmost.Therefore, electrode tip reconditioning equipment of the present utility model can make outer shape become compact with doing one's utmost, even in the position that only can obtain narrow and small cutting operation space, also can easily arrange.
Therefore, electrode tip reconditioning equipment of the present utility model can consist of compactly, thereby can reduce the cutting operation space, the space is set.
The explanation of technical scheme 2
And, if in electrode tip reconditioning equipment of the present utility model, surface in the drive motor side of shell, the zone formation of utilizing self-driven motor to stagger is installed in electrode tip reconditioning equipment for the mount pad on the supporting member that keeps electrode tip reconditioning equipment, then can effectively utilize the zone by making the hypoid gear steamboat stagger and form with respect to the pivot axis of hypoid gear bull wheel, can suppress mount pad to the direction side of the pivot axis of edge polishing tool holder, outstanding greatly with the direction side of pivot axis phase quadrature, therefore, can suppress further volume increases, for example, on the top that electrode tip reconditioning equipment is installed on mechanical arm, supporting station etc. and when using, even more ideal.
Description of drawings
Fig. 1 is the top view of the electrode tip reconditioning equipment of an embodiment of the present utility model.
Fig. 2 is the upward view of the electrode tip reconditioning equipment of embodiment.
Fig. 3 is the front view of the electrode tip reconditioning equipment of embodiment.
Fig. 4 is the right side view of the electrode tip reconditioning equipment of embodiment.
Fig. 5 is the schematic local amplification view at the position of expression polishing cutter in the electrode tip reconditioning equipment of embodiment.
Fig. 6 is the local amplification plan view of pulling down the state of polishing behind the tool holder in the electrode tip reconditioning equipment of embodiment.
Fig. 7 is the schematic local amplification view that represents the installment state of hypoid gear bull wheel and retainer in the electrode tip reconditioning equipment of embodiment.
Fig. 8 is the occupation mode figure of the electrode tip reconditioning equipment of embodiment, is the schematic perspective view of state that expression is arranged on the underfooting of welding robot.
The specific embodiment
Below, an embodiment of the present utility model is described with reference to the accompanying drawings, and the electrode tip reconditioning equipment 5 of embodiment is for to a pair of electrodes 1(1A, the 1B of distortion have occured by multiple welding operation) top ends 2 cut and make electrode tip 1A, 1B become the device that can re-use in the shape of spot welding.In addition, in embodiment, for the direction up and down, as long as no inserting special explanation, then describe in the following manner, namely, will be along the direction side of the axle center C0 of electrode tip 1 as above-below direction, will be along the direction side of the driving shaft 13b of drive motor 13 as fore-and-aft direction, with gear 16 sides as the front side, with drive motor 13 sides as rear side.
Such as Fig. 1～shown in Figure 5, electrode tip reconditioning equipment 5 comprises: polishing cutter 7, and it is used for cutting electrode tip 1A, 1B; Polishing tool holder 9, it is used for keeping polishing cutter 7; Drive motor 13, it is as the drive source of rotary actuation polishing tool holder 9; Gear 16, its driving with drive motor 13 are delivered to polishing tool holder 9; Shell 21, it is used for holding gear 16; Retainer 28, it is used for keeping polishing tool holder 9; Bearing 32, it is as the rolling bearing between gear 16 and polishing tool holder 28 and shell 21.
In order to cut simultaneously the top ends 2 of electrode tip 1A respect to one another, 1B, polishing cutter 7 forms following plate shape, and this plate shape has the cutting edge (with reference to Fig. 5) of the shape corresponding with one-sided roughly half the outer shape centered by the C0 of the axle center of electrode tip 1 of top ends 2.This polishing cutter 7 utilizes wire cutting machine to downcut and consists of from flat metal blanks such as high-speed tool steels, and its position in substantial middle is fixed with screw element 8 and is held in the tool holder 9 of polishing.
As the drive motor 13 of drive source take be contained among the motor field frame 13a state configuration as the trailing flank from shell 21 rearward outstanding, itself so that the pivot axis C1 of driving shaft 13b and polishing tool holder 9 roughly the mode of quadrature form along the fore-and-aft direction configuration, that the front and back size is large is roughly rectangular-shaped.In embodiment, use power setting as the small-sized drive motor (for example AC servomotor) of 400W as drive motor 13.And, as shown in Figure 3, make the width dimensions up and down under the state of drive motor 13 in being contained in motor field frame 13a roughly consistent with the width dimensions up and down at the base portion side position 25 of shell 21, such as Fig. 1～shown in Figure 3, width dimensions before and after it is set as slightly width dimensions less than the front and back of shell 21, as shown in Figure 1 and Figure 2, the width dimensions about it is set as shell 21 about width dimensions about 2/3.And, drive motor 13(motor field frame 13a) with the right side of its right side and shell 21 roughly consistent mode make and be positioned at its central driving shaft 13b with respect to the pivot axis C1 of polishing tool holder 9 stagger to the right (making its skew).
As shown in Figure 5, gear 16 is made of the hypoid gear steamboat 18 that the driving shaft 13b of the hypoid gear bull wheel 17 of outer circumferential side of the lower end side that is disposed at polishing tool holder 9 and self-driven motor 13 extends configuration.Hypoid gear bull wheel 17 forms can supply polishing tool holder 9 to pass roughly circular, makes teeth groove 17c towards the below, so that the pivot axis C2 mode consistent with the pivot axis C1 of polishing tool holder 9 configures (with reference to Fig. 5).Hypoid gear steamboat 18 is formed on the tip side of driving shaft 13b, to configure from the base portion side described later position of shell 21 25 outstanding modes, as shown in Figure 1 and Figure 2, hypoid gear steamboat 18 staggers the state of (skew) to the right at the lower face side of hypoid gear bull wheel 17 be meshed with the teeth groove 17c of hypoid gear bull wheel 17 (with reference to Fig. 5) with the pivot axis C2 with respect to hypoid gear bull wheel 17.In embodiment, hypoid gear bull wheel 17 and hypoid gear steamboat 18 use speed reducing ratio to be set as up to the gear about 20:1.And, as shown in Figure 5, hypoid gear steamboat 18 with teeth groove 18a(with reference to Fig. 1, Fig. 2) tip side area configurations with the flange part 10 of polishing tool holder 9 on the position that the direction (above-below direction) of pivot axis C 1 along polishing tool holder 9 stresses to fold.
Hypoid gear bull wheel 17 is at the outstanding teeth groove 17c that is provided with of the lower face side of outer peripheral edges, and at the circular position of the inboard of teeth groove 17c, through hole 17a, 17b are penetratingly formed up and down in a plurality of positions that are general radial centered by pivot axis C2.In embodiment, through hole 29a, the 29b of through hole 17a, 17b and retainer described later 28 is dispersed in 3 positions that are general radial in the same manner by twos, is formed with altogether 6 (not shown)s.On these through holes 17a, 17b the is formed on position corresponding with through hole 29a, the 29b of the main part 29 that is formed on retainer 28, be that the screw element 19 that can enter into the zone of through hole 29b passes 3 through hole 17b that above-mentioned these through holes 17a, 17b general radial ground scatter and screws by making length setting, hypoid gear bull wheel 17 is installed on the main part 29(of retainer 28 with reference to Fig. 7).3 remaining through hole 17a are installed on retainer 28 for the tool holder 9 of will polishing and form, in fact and the screw thread that is not used in the position of hypoid gear bull wheel 17 fix.And in embodiment, hypoid gear bull wheel 17 following face side (teeth groove 17c side) are contained in the shell 21 by near the state that is covered by upper shell 24 described later the outer peripheral edges of lower house 23 coverings described later, upper surface (back side) side.
In embodiment, shell 21 comprises be used to the base portion side position 25 that holds the driving shaft 13b that forms in self-driven motor 13 outstanding modes with for the tip side position 22 that holds gear 16, such as Fig. 3, Fig. 5, shown in Figure 7, tip side position 22 is divided into two parts in the direction side (above-below direction side) of the pivot axis C 1 of edge polishing tool holder 9, comprises as the lower house 23 at the gear side position that forms hypoid gear bull wheel 17 sides with as the upper shell 24 that forms the frame side of retainer 28 sides.
As shown in Figure 1 and Figure 2, base portion side position 25 makes the width dimensions of its left and right directions side consistent with the width dimensions of the left and right directions side at tip side position 22, rearward extend from tip side position 22, base portion side position 25 spreads all over the outer circumferential side that complete cycle ground covers driving shaft 13b, forms to make lower face side until the front side is positioned at such roughly rectangular-shaped in top steppedly.In addition, in embodiment, as shown in Figure 3, base portion side position 25 consists of integratedly with upper shell 24.That is, to form self-driven motor 13 outstanding to the left greatly at base portion side position 25.And, in the shell 21 of embodiment, surface (rear surface) in drive motor 13 sides at base portion side position 25, the zone in the left side of self-driven motor 13 skews has a plurality of installing hole 26a, thereby is configured for electrode tip reconditioning equipment is installed on the mount pad 26(of the supporting members such as top, installation bracket of mechanical arm with reference to Fig. 4).
Such as Fig. 5～shown in Figure 7, retainer 28 forms adjacent with the top of hypoid gear bull wheel 17 roughly circular, and the upper end that comprises the roughly main part 29 cylindraceous of outer circumferential side of the axis orthogonal direction side that covers polishing tool holder 9 and autonomous body 29 is the outstanding flange part 30 that forms laterally.And, with the mode enlarged openings diameter of the flange part 10 that can hold the tool holder 9 of polishing, and form step-like near the upper end of main part 29.And, the lower end side of main part 29 and hypoid gear bull wheel 17 connect (with reference to Fig. 5, Fig. 7).And, in the main part 29 of retainer 28, be formed through up and down through hole 29a, 29b.Through hole 29a, 29b is formed on and the through hole 17a that is formed at hypoid gear bull wheel 17, on the corresponding position of 17b, with through hole 17a, 17b is dispersed in 3 positions (with reference to Fig. 6) that are general radial in the same manner by twos, be formed with altogether 6, these through holes 29a, be not used among the 29b with the fixing hypoid gear bull wheel 17 of screw element 19,3 through hole 29a that general radial ground scatters are formed on the position corresponding with the through hole 10a that is formed at polishing tool holder 9, by making screw element 11 pass through hole 10a and the above-mentioned through hole 29a of polishing tool holder 9 and screwing, the tool holder 9 of will polishing remains on the retainer 28.And in embodiment, retainer 28 makes flange part 10 be contained in this step-like regional tool holder 9 of will polishing interiorly and is inserted into inside, the tool holder 9 so that the substantially flush mode of the upper surface of its upper surface and polishing tool holder 9 keeps polishing.
In embodiment, be contained in as the bearing 32 of rolling bearing and be formed at the holding in the recess 24a of upper shell 24, between retainer 28, hypoid gear bull wheel 17 and upper shell 24 (with reference to Fig. 5, Fig. 7), bearing 32 has the outer shroud 33 that is disposed at outer circumferential side, the interior ring 34 that is disposed at interior all sides and a plurality of balls 35 as rolling element between outer shroud 33 and interior ring 34.And as mentioned above, bearing 32 is set as slightly the internal diameter size that holds recess 24a greater than upper shell 24 with the outside dimension of outer shroud 33, by being pressed into outer shroud 33 outer shroud 33 is remained in to hold recess 24a and be contained in and holds in the recess 24a.At this moment, make bearing 32 with the teeth groove 17c of hypoid gear bull wheel 17 in the mode that the direction (above-below direction) along the pivot axis C1 of polishing tool holder 9 stresses to fold, be configured on the position (rear side position) of upper surface 17d side of teeth groove 17c of hypoid gear bull wheel 17.And, in the electrode tip reconditioning equipment 5 of embodiment, by hypoid gear bull wheel 17 screw threads are fixed in retainer 28 bearing 32 is configured on the position (rear side position) of upper surface 17d side of teeth groove 17c of hypoid gear bull wheel 17, under above-mentioned state, be connected with interior ring 34 with hypoid gear bull wheel 17 by the main part 29 that makes retainer 28, bearing 32 is installed on shell 21.And, in the electrode tip reconditioning equipment 5 of embodiment, because the up and down both sides of hypoid gear bull wheel 17 are covered partly by lower house 23 and upper shell 24, therefore, even supposing the interior ring 34 that retainer 28 and hypoid gear bull wheel 17 are coupled together moves up and down, also can form stop parts by this lower house 23 and upper shell 24, and ring 34 moves greatly at above-below direction in suppressing.
In the electrode tip reconditioning equipment 5 of embodiment, when drive motor 13 drives, be accompanied by the rotation rotary actuation polishing tool holder 9 of hypoid gear bull wheel 17, and near the top ends 2 polishing cuttves 7 with rotation of relative electrode tip 1A, 1B are contacted, thereby can cut it.
And, in the electrode tip reconditioning equipment 5 of embodiment, pass to the gear 16 of the polishing tool holder 9 that keeps polishing cutter 7 as the driving with drive motor 13, use is by the hypoid gear bull wheel 17 of the outer circumferential side that is configured in polishing tool holder 9 with the stagger gear of hypoid gear steamboat 18 formations that the driving shaft 13b of the self-driven motor 13 of mode of (skew) extends of the pivot axis C2 with respect to hypoid gear bull wheel 17, drive motor 13 constitutes the pivot axis C1 quadrature roughly that makes driving shaft 13b and polishing tool holder 9, therefore, can suppress drive motor 13 from whet a knife anchor clamps 9 along pivot axis C1 outstanding greatly up and down, can reduce the width dimensions of direction side (above-below direction side) along the pivot axis C1 of polishing tool holder 9 of drive motor 13, increase thereby can suppress volume.
And, in the electrode tip reconditioning equipment 5 of embodiment, adopt and only will be configured in as the bearing 32 of rolling bearing the structure at this position of rear side (upper surface side) of hypoid gear bull wheel 17, this bearing 32 is constituted, outer shroud 33 being kept and being contained in the holding under the state in the recess 24a of the upper shell 24 that is formed at the shell 21 that holds gear 16, retainer 28 is connected with interior ring 34 with hypoid gear bull wheel 17.Therefore, although be the structure that only bearing 32 is configured in a position, also can make when drive motor 13 drives keeps the retainer 28 of polishing tool holder 9 to rotate sleekly with respect to shell 21 with hypoid gear bull wheel 17, therefore, compare in the situation of two positions configuration bearings with the mode with the front and back of clamping hypoid gear bull wheel, can also reduce the width dimensions along the direction side (above-below direction side) of the pivot axis C1 of polishing tool holder 9 be used to the shell 21 that holds gear 16 itself, and, owing to this bearing 32 is configured on the position of upper surface 17d of teeth groove 17c of hypoid gear bull wheel 17, therefore, can make bearing 32, the teeth groove 17c of hypoid gear bull wheel 17 approaches the pivot axis C1 of polishing tool holder 9, can make the outside dimension of the member on every side of polishing tool holder 9 become compact, thereby can reduce electrode tip reconditioning equipment 5 with doing one's utmost.Also can say, with the area configurations of the tip side of the teeth groove 18a of hypoid gear steamboat 18 with the flange part 10 of polishing tool holder 9 on the position that the direction (above-below direction) along the pivot axis C1 of polishing tool holder 9 stresses to fold, hypoid gear steamboat 18 and hypoid gear bull wheel 17 are configured near flange part 10 ground of polishing tool holder 9, thereby can make the outside dimension of the member on every side of polishing tool holder 9 become compact.Particularly in the electrode tip reconditioning equipment 5 of embodiment, adopt the one-level transmission, consist of gear 16 by the hypoid gear bull wheel 17 with higher speed reducing ratio and hypoid gear steamboat 18, therefore, even use the less and lower-powered drive motor 13 of energy loss, also can successfully cut electrode tip 1, thereby also can make drive motor 13 itself become compact with doing one's utmost.Therefore, the electrode tip reconditioning equipment 5 of embodiment can make outer shape become compact with doing one's utmost, for example, as shown in Figure 8, even the underfooting of welding robot R, only can obtain the position in narrow and small cutting operation space, also can electrode tip reconditioning equipment 5 easily be set with the state that is installed on supporting station 38.And when the electrode tip reconditioning equipment 5 with embodiment was installed in the top of not shown mechanical arm and uses, the volume of electrode tip reconditioning equipment 5 can not become greatly yet, though in the motion space less position, also can easily use.
Thereby the electrode tip reconditioning equipment 5 of embodiment can consist of compactly, thereby can reduce the cutting operation space, the space is set.
And, in the electrode tip reconditioning equipment 5 of embodiment, surface in drive motor 13 sides at the base portion side position 25 of shell 21, self-driven motor 13 is staggered the zone of (skew) as electrode tip reconditioning equipment 5 being installed in for the mount pad 26 on the supporting member that keeps electrode tip reconditioning equipment 5, therefore, can effectively utilize by making hypoid gear steamboat 18 with respect to the pivot axis C 2 of hypoid gear bull wheel 17 zone that (skew) form of staggering, can suppress mount pad to the direction side (above-below direction side) of the pivot axis C 1 of edge polishing tool holder 9, outstanding greatly with the left and right directions side of pivot axis C 1 quadrature, therefore, can further suppress volume increases, for example, on the top that electrode tip reconditioning equipment is installed on mechanical arm, supporting station etc. and when using, even more ideal.Certainly, if do not consider this point, then also can can't help this field and consist of mount pad, by using separately installation bracket etc. electrode tip reconditioning equipment is installed on supporting member.
In addition, in the electrode tip reconditioning equipment 5 of embodiment, to be formed on upper shell 24 as the retainer side be used to the recess 24a that holds that holds as the bearing 32 of rolling bearing, but, be used for to keep holding recess and also can being formed on lower house as the gear side position of bearing, can also form in the mode across upper shell and lower house.And, in embodiment, make bearing 32 slightly to stagger with respect to the rear side of the teeth groove 17c of the hypoid gear bull wheel 17 pivot axis C1 side to polishing tool holder 9, and the outer circumferential side of bearing 32 and the rear side of teeth groove 17c are configured along the overlapping mode of pivot axis C1, but, in the scope that the outside dimension of the tool holder 9 that do not cause polishing increases, also can so that the overlapping mode of whole bearing 32 and the rear side of teeth groove 17c it is configured.
Description of reference numerals
1(1A, 1B), electrode tip; 2, top ends (top); 5, electrode tip reconditioning equipment; 7, polishing cutter; 9, polishing tool holder; 13, drive motor (drive source); 13b, driving shaft; 16, gear; 17, hypoid gear bull wheel; 18, hypoid gear steamboat; 21, shell; 22, tip side position; 23, lower house (gear side position); 24, upper shell (frame side); 24a, hold recess; 25, base portion side position; 26, mount pad; 28, retainer; 32, bearing (rolling bearing); 33, outer shroud; 34, interior ring; 35, ball (rolling element).
Claims (2)
1. electrode tip reconditioning equipment, Yi Bian its constitute make relative pair of electrodes head top each other near electrode tip reconditioning equipment, Yi Bian make the top each other of relative pair of electrodes head contact and grind with the polishing cutter of rotation, it comprises:
Above-mentioned polishing cutter, it can cut near the top to above-mentioned each electrode tip; The polishing tool holder, it is used for keeping above-mentioned polishing cutter, and, have with above-mentioned electrode tip and be driven in rotation each other the consistent pivot axis in axle center; Drive motor, it is somebody's turn to do the drive source of polishing tool holder as rotary actuation; Gear, it is used for the driving of this drive motor is passed to above-mentioned polishing tool holder; Shell, it is used for holding this gear; And rolling bearing, it is characterized in that between said gear and above-mentioned polishing tool holder and above-mentioned shell,
Above-mentioned drive motor constitutes the pivot axis quadrature roughly that makes driving shaft and above-mentioned polishing tool holder,
Said gear is made of circular hypoid gear bull wheel and hypoid gear steamboat, and above-mentioned hypoid gear bull wheel is configured in the outer circumferential side of above-mentioned polishing tool holder, makes the pivot axis consistent with the pivot axis of above-mentioned polishing tool holder; Above-mentioned hypoid gear steamboat extends from the driving shaft of above-mentioned drive motor, and the mode that staggers with the pivot axis with respect to above-mentioned hypoid gear bull wheel configures,
Above-mentioned polishing tool holder is installed on above-mentioned retainer with outer circumferential side by above-mentioned hypoid gear bull wheel with at the state that covers along the direction side of the pivot axis of the above-mentioned polishing tool holder circular retainer adjacent with above-mentioned hypoid gear bull wheel,
Above-mentioned shell is divided into two parts in the direction side along the pivot axis of above-mentioned polishing tool holder, comprises the gear side position that forms above-mentioned hypoid gear bull wheel side and the frame side that forms above-mentioned retainer side,
Above-mentioned rolling bearing has the outer shroud that is disposed at outer circumferential side, the interior ring that is disposed at interior all sides and the rolling element between above-mentioned outer shroud and above-mentioned interior ring, it is so that above-mentioned outer shroud remains on the mode in the recess held at least one position of being formed at said gear side and above-mentioned side above-mentioned outer shroud is contained in holds in the recess, and
Under the state at the position of the rear side of the teeth groove that above-mentioned rolling bearing is configured in above-mentioned hypoid gear bull wheel, above-mentioned retainer and above-mentioned hypoid gear bull wheel are connected with above-mentioned interior ring,
Thereby above-mentioned rolling bearing is installed on above-mentioned shell.
2. electrode tip reconditioning equipment according to claim 1 is characterized in that,
On the surface of the above-mentioned drive motor side of above-mentioned shell, consist of from the zone that above-mentioned drive motor staggers electrode tip reconditioning equipment is installed in for the mount pad on the supporting member that keeps electrode tip reconditioning equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220322942 CN202726411U (en) | 2012-07-04 | 2012-07-04 | Electrode tip grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220322942 CN202726411U (en) | 2012-07-04 | 2012-07-04 | Electrode tip grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN202726411U true CN202726411U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220322942 Expired - Lifetime CN202726411U (en) | 2012-07-04 | 2012-07-04 | Electrode tip grinding machine |
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| CN (1) | CN202726411U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106903418A (en) * | 2017-02-08 | 2017-06-30 | 南京君哲工业自动化有限公司 | Split type multi-blade reconditioning knife unit |
| CN107931812A (en) * | 2017-12-22 | 2018-04-20 | 天津昊源吉高机械零部件有限公司 | A kind of double work end automatic grinding device for lifetime of resistance spot welding electrode |
| CN111246960A (en) * | 2017-11-20 | 2020-06-05 | 极动焊接机械有限公司 | Chip flying protective cover |
| CN113770498A (en) * | 2021-08-30 | 2021-12-10 | 东风模具冲压技术有限公司 | Electrode end face grinding device with adjustable machining size |
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2012
- 2012-07-04 CN CN 201220322942 patent/CN202726411U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903418A (en) * | 2017-02-08 | 2017-06-30 | 南京君哲工业自动化有限公司 | Split type multi-blade reconditioning knife unit |
| CN106903418B (en) * | 2017-02-08 | 2019-09-27 | 南京君哲工业自动化有限公司 | Split type multi-blade reconditioning knife unit |
| CN111246960A (en) * | 2017-11-20 | 2020-06-05 | 极动焊接机械有限公司 | Chip flying protective cover |
| CN111246960B (en) * | 2017-11-20 | 2022-01-11 | 极动焊接机械有限公司 | Chip flying protective cover |
| US11338403B2 (en) | 2017-11-20 | 2022-05-24 | Kyokutoh Co., Ltd. | Chip-scattering prevention cover |
| CN107931812A (en) * | 2017-12-22 | 2018-04-20 | 天津昊源吉高机械零部件有限公司 | A kind of double work end automatic grinding device for lifetime of resistance spot welding electrode |
| CN107931812B (en) * | 2017-12-22 | 2023-08-29 | 天津昊源吉高机械零部件有限公司 | Double-working-end automatic coping device for resistance spot welding electrode |
| CN113770498A (en) * | 2021-08-30 | 2021-12-10 | 东风模具冲压技术有限公司 | Electrode end face grinding device with adjustable machining size |
| CN113770498B (en) * | 2021-08-30 | 2023-10-27 | 东风模具冲压技术有限公司 | Electrode end face grinding device with adjustable machining size |
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