CN201257544Y

CN201257544Y - Edge cutter

Info

Publication number: CN201257544Y
Application number: CNU2008201598915U
Authority: CN
Inventors: 吴炯; 唐福宽; 张卫平
Original assignee: SUZHOU DEYI ELECTROMECHANICAL MANUFACTURING Co Ltd
Current assignee: SUZHOU DEYI ELECTROMECHANICAL MANUFACTURING Co Ltd
Priority date: 2008-10-30
Filing date: 2008-10-30
Publication date: 2009-06-17
Anticipated expiration: 2018-10-30

Abstract

The utility model relates to an edge-cutting machine which comprises a tool rest and a workpiece fixing frame; a pair of upper and lower cutter wheels vertically arranged is mainly installed on the tool rest, and the cutter wheels are driven by a motor; the workpiece fixing frame comprises a base, a sliding frame movably arranged on the base in the X axis direction, a lifting seat arranged on the sliding frame in the Z axis direction in a sliding manner, a horizontal sliding plate arranged on the lifting seat in the Y axis direction in a sliding manner and a workpiece positioning disc rotationally arranged on the horizontal sliding plate around the Y axis; a guide track is arranged on the workpiece positioning disc, the guide track is U-shaped, a guide part is arranged on the lifting seat, the guide part is matched with the guide track, and a clamping component used for clamping the workpieces is installed on the workpiece positioning disc; and the edge-cutting machine can perform continuous edge-cutting processing of the straight-line section and the circular arc section, improve the processing efficiency and ensure the higher machining precision.

Description

Bead cutter

Technical field

The utility model relates to a kind of bead cutter, especially for the device of the side cut of processing the stainless steel head supporting plate on the escalator.

Background technology

The armrest support plate is formed (workpiece schematic diagram as shown in Figure 4) by one section arc section and two sections straightways in the escalator stainless steel head, and its cross section is " " " shape.After this parts drawn brake forming, the limit, lower edge often has redundance to need excision.Because the special shape of this supporting plate has caused wanting to utilize bead cutter to carry out the excision of surplus limit, must should cut straightway circle of contact segmental arc again.All adopted method for plasma cutting to cut in the past, but temperature is than higher during owing to cutting, and corrosion resistant plate surface, excision back can stay very dark burnt trace, and it is very difficult to remove these burnt traces, need to polish, quite loaded down with trivial details processing technology such as polishing, difficult quality guarantee.

The utility model content

The purpose of this utility model provides a kind of bead cutter, and this side cut function is cut edge continuously to the stainless steel head supporting plate on the escalator.

The technical scheme that the utility model adopted is: a kind of bead cutter comprises knife rest and workpiece holder; Described knife rest comprises frame, be arranged on last break bar on the described frame with following break bar, driving gear and driven gear on the described frame are set, described driving gear is rotated by driven by motor, described driving gear and driven gear external toothing rotation mutually, described break bar down and driving gear same axis are provided with, and described upward break bar and driven gear same axis are provided with;

Described workpiece holder comprises base, can be arranged on travelling carriage on the described base movably, can be slidingly arranged in elevating bracket on the described travelling carriage, can be slidingly arranged in horizontal slide plate on the described elevating bracket, be arranged on workpiece positioning disk on the described horizontal slide plate rotationally along Y direction along Z-direction along X-direction; Described workpiece positioning disk is provided with guide rail, this guide rail is the U type, also be set with guide on the described elevating bracket, the effect of matching with described guide rail of this guide limits the motion track of described workpiece positioning disk, on the described workpiece positioning disk clamp assembly that is used for clamping work pieces is installed.

Also be provided with on the described frame and adjust wheel and adjust wheel down, the described wheel of go up adjusting comprises laying respectively at and describedly goes up going up of the break bar left and right sides and adjust wheel outward, adjust wheel in going up, adjust under described to take turns and comprise the following outer adjustment wheel that is positioned at the described break bar left and right sides down, the following wheel of adjusting respectively, describedly the outer wheel of adjusting and adjust wheel and face up and down outward down, adjust wheel in described the going up and adjust wheel in down and face up and down with described with described.

Described break bar down comprises outer break bar and down interior break bar down.

Described outer break bar down and the described outer down wheel of adjusting are wholely set.

Also be provided with between the described upper and lower adjustment wheel and be used to regulate the adjustment bolt in gap between the two.

Described clamp assembly is divided into long straightway clamp assembly, short lines section clamp assembly and arc section clamp assembly.

Described frame is arranged on along on the 3rd slide rail of Y direction extension.

The utility model is by being provided with U type guide rail on the workpiece positioning disk, and on elevating bracket, be equipped with a guide again, in case make that guide enters after the guide rail, it will move along the direction of track, because track is the U type, like this moving process of workpiece positioning disk be exactly before this along Y direction forward straight line move, rotated circular arc half around rotating shaft again, straightway along another section along Y direction moves again, thereby workpiece has been carried out the continuous side cut processing of straightway and arc section, improved working (machining) efficiency, and made that the precision of processing is higher.

Description of drawings

Accompanying drawing 1 is the front view of bead cutter of the present utility model;

Accompanying drawing 2 is the left view (partial view) of bead cutter of the present utility model;

Accompanying drawing 3 is the schematic diagram of workpiece positioning disk of the present utility model;

Accompanying drawing 4 is the left view of knife rest of the present utility model;

Accompanying drawing 5 is clamped the schematic diagram of workpiece for clip of the present utility model;

Accompanying drawing 6 is the combination schematic diagram of workpiece mounting disc of the present utility model and clamp assembly;

Accompanying drawing 7 is the stereogram of bead cutter of the present utility model;

Wherein: 1, base; 2, first slide rail; 3, travelling carriage clamping screw; 4, first slide; 5, travelling carriage; 6, lifting screw; 7, elevating bracket; 8, second slide rail; 9, second slide; 10, horizontal slide plate; 11, rotating shaft; 12, bearing block; 13, guide; 14, workpiece positioning disk; 141, guide rail; 15, motor; 16, decelerator; 17, driving gear; 18, driven gear; 19, adjust bolt; 20, go up the interior wheel of adjusting; 21, go up break bar; 22, go up the outer wheel of adjusting; 23, the interior down wheel of adjusting; 24, following break bar; 241, following outer break bar; 242, down interior break bar; 25, the outer down wheel of adjusting; 26, clamp assembly; 27, rack locking bolt; 28, the 3rd slide rail; 29, the 3rd slide; 30, frame; 141, guide rail; 1411, first straightway; 1412, arc section; 1413, second straightway; 142, installing rack; 261, long straightway clamp assembly; 262, arc section clamp assembly; 263, short lines section clamp assembly; 260, clip; 2601, bolt; 2602, clamp bracket; 2603, push rod; 2604, clamp; 2605, clamping plate;

100, knife rest; 200, workpiece holder.

The specific embodiment

Bead cutter among this embodiment is rotary bead cutter, mainly is made up of

knife rest

100 and 200 liang of big parts of workpiece holder.

Shown in Fig. 1,7, knife rest 100 comprises a frame 30, the cutter hub part just is installed on this frame 30, cutter hub partly comprises a pair of gear-driving gear 17 and driven gear 18, a pair of break bar-go up break bar 21 and following break bar 24, driving gear 17 and driven gear 18 external toothing mutually, following break bar 24 is fixedly installed in the same rotating shaft with driving gear 17, last break bar 21 is arranged in the same rotating shaft with driven gear 18, driving gear 17 is being driven by a motor 15 and is rotating, and is equipped with decelerator 16 on the motor 15.In addition, in order to make upper and lower break bar when the cut workpiece, workpiece is not offset, and is provided with a pair of adjustment wheel respectively in the both sides of break bar up and down.In the present embodiment, following break bar 24 has two cuttves, promptly down outer break bar 241 with down in break bar 242, be provided with an outer down wheel 25 of adjusting in the left side of down outer break bar 241, among the embodiment shown in the drawings, will descend outer break bar 241 with following outside adjustment take turns 25 and be wholely set; Adjust wheel 23 under the right side of break bar 242 is provided with one in down.Outside being provided with on one, the left side of last break bar 21 adjusts wheel 22, in being provided with on one, the right side of last break bar 21 adjusts wheel 20, following outer adjust wheel 25 and the corresponding settings up and down mutually of last outer adjustment wheel 22, adjust wheel 23 and the last interior wheel 20 corresponding setting up and down mutually of adjusting down, adjust wheel when work piece cut for described like this two pairs, the right and left that workpiece is cut the position all compresses, and prevents that the workpiece of processing from deflection taking place in the process of cutting.In order to make the distance between a pair of adjustment wheel to regulate, also be provided with between this adjustment wheel and regulate bolt 19, rotate this adjusting bolt 19 and can effectively regulate the gap length of adjusting up and down between the wheel.

Describe the course of work of a lower slide 100 below in detail: at first starter motor 15, thereby drive decelerator 16 by motor 15 and drive driving gear 17, following break bar 24, following outer adjust wheel 25, following interior wheel 23 rotation together of adjusting, driving gear 17 drives driven gear 18 again, go up break bar 21, go up and adjust wheel 22 outward, adjust wheel 20 rotations in going up, and its direction of rotation is with break bar is opposite down.Regulate and adjust bolt 19, adjust two pairs of gaps between the upper and lower adjustment wheel, make that adjusting wheel up and down can distinguish workpiece pressing outer surface up and down, also can drive workpiece when guaranteeing its rotation and move.Wherein, outer upper and lower adjustment wheel is pushed down the upper left lower surface of workpiece, and the interior wheel of adjusting is up and down pushed down the upper right lower surface of workpiece, guarantees that workpiece can be along the rectilinear direction translation, can not take place crookedly, guarantees the cut workpiece accuracy to size.In addition, adjusting wheel up and down drives workpiece and enters up and down that break bar guarantees that cutting is normal, skidding can not take place.There are simultaneously a pair of driving gear and driven gear to become double dynamical driving break bar up and down again, strengthened the cutting dynamics of cutter.

Workpiece holder 200 mainly is made up of base 1, travelling carriage 5, elevating bracket 7, horizontal slide plate 10 and workpiece positioning disk 14.

Base 1 is provided with first slide rail 2, and travelling carriage 5 is provided with first slide, 4, the first slides 4 and first slide rail 2 effect of matching, and makes travelling carriage 5 to move along X-direction.Adopt the track of a linear axis that extends along X-direction as first slide rail 2 in this embodiment, adopt a bearing block as first slide 4, under the drive of first slide 4, travelling carriage 5 just can slide along X-direction like this.Also be provided with travelling carriage clamping screw 3 on the travelling carriage 5, this travelling carriage clamping screw 3 can be locked at travelling carriage 5 place, a certain fixed position of first slide rail 2.Unscrew travelling carriage clamping screw 3, travelling carriage 5 is adjusted workpiece with the distance between the knife rest by first slide 4 move left and right on first slide rail 2 on the base, promptly adjusts workpiece lower edge hem width degree size.Locking travelling carriage clamping screw after adjustment is finished, the position of fixed sliding frame 5, thus guaranteeing consistent size after each workpiece excision, the direction of above-mentioned X, Y, Z axle is as shown in the figure.

Elevating bracket 7 can be arranged on the travelling carriage 5 up and down along Z-direction, as shown in the figure, regulates upper and lower two nuts (not label) on the lifting screw 6 that is fixed on the travelling carriage 5, and elevating bracket 7 is moved up and down.Regulate the position of the workpiece top of different radii with upper and lower break bar, wherein, the workpiece that radius is big, elevating bracket 7 is toward descending the workpiece that radius is little, elevating bracket 7 past risings.After adjusting, the last lower nut on the locking lifting screw 6.

Horizontal slide plate 10 is arranged on the elevating bracket 7, as shown in Figure 1, 2, the upper end of elevating bracket 7 is provided with a pair of second slide rail 8 that extends along Y-axis, the bottom of horizontal slide plate 10 is provided with second slide 9, adopt the track of a linear axis that extends along Y direction in this embodiment as second slide rail 8, adopt an opening shaft bearing as second slide 9, under the drive of second slide 9, horizontal slide plate 10 just can slide along Y direction like this.

In addition, for the oversize workpiece that also can the processing linear segment length that makes second slide rail 8 that extends along Y direction it goes without doing, the frame 30 that the break bar parts are installed is installed in a pair of along on the 3rd slide rail 28 of Y direction extension, as shown in Figure 1, the bottom of frame 30 is equipped with a pair of the 3rd slide 29, the three slides 29 and can slides along the 3rd slide rail 28.Frame 30 is provided with rack locking bolt 27, when frame 30 moves to a certain ideal position of the 3rd slide rail 28, tightening frame clamping screw 27 makes frame 30 be fixed on this position, like this by frame 30 and horizontal slide plate 10 all being made the mode that to slide along Y-axis, avoided second slide rail 8 to do very longly, made that the structure of whole bead cutter is compact more.

Workpiece positioning disk 14 can be arranged on the horizontal slide plate 10 around X-direction rotationally by a rotating shaft 11, as shown in the figure, fixedly install pair of bearing 12 on the horizontal slide plate 10, rotating shaft 11 just is erected at this on the bearing block 12, as shown in Figure 3, offer a U type guide rail 141 on the workpiece positioning disk 14, the guide rail 141 of this U type comprises first straightway 1411, arc section 1412, second straightway 1413.After in a single day workpiece positioning disk 14 installed, two straight flanges of U type were just along the Y direction setting.Also be set with guide 13 on the elevating bracket 7, this guide 13 can be to the mobile effect of playing a qualification of workpiece positioning disk 14, promptly when the openend along with second straightway 1413 of U type guide rail 141 moved to guide 13 places, guide 13 will enter in the guide rail 141 from the openend of second straightway 1413.Guide 13 just can limit the motion track of workpiece positioning disk 14 like this, thereby makes workpiece positioning disk 14 according to one section straightway of elder generation, walks around circular arc again half, and move in last path of moving one section straightway again.Moving of workpiece positioning disk 14, this guide 13 just can play the movement locus that limits workpiece positioning disk 14, promptly can only be one section for moving along the rectilinear direction of second straightway 1413, when having arrived arc section 1412, workpiece positioning disk 14 rotates around rotating shaft 11, and then mobile along the rectilinear direction continuation of first straightway 1411, when guide 13 leaves guide rail 141, promptly finished the side cut operation of whole work-piece.

In order to make workpiece well to be fixed on the workpiece positioning disk 14, as shown in Figure 6, long straightway clamp assembly 261, short lines section clamp assembly 263 and arc section clamp assembly 262 are installed on the workpiece positioning disk 14.Each clamp assembly is formed by a plurality of clips 260, as shown in Figure 5, clip 260 is installed on the installing rack 142 of workpiece positioning disk 14 1 sides, offer groove (among the figure not view) on this installing rack 142, clip can slide along the groove on the installing rack 142 after being installed in installing rack 142, thereby regulate the position of clip on installing rack 142 very easily, clip 260 is provided with a set screw 2601, and this set screw 2601 can make clip 260 be fixed on a certain position of the groove of installing rack 142.Clip 260 comprises clamp bracket 2602, push rod 2603, clamp 2604, clamping plate 2605.The set screw 2601 that at first will fix to clamp support 2602 when workpiece is installed is unscrewed, again push rod 2603 is up twisted, drive clamping plate 2605 toward rising, make clamp 2604 slowly separately with clamp bracket 2602, when clamp 2604 separates enough greatly with clamp bracket 2602, the workpiece side is adjacent to clamp bracket 2602, one by one push rod 2603 is down twisted again, make clamp 2604 slowly close up with clamp bracket 2602, at last workpiece is clamped, the position (be the position of X-direction) of fine tuning clamp bracket again 2602 on installing rack 142, be used for determining the size at work piece cut position, tighten set screw 2601 behind the location more one by one.

The course of work of this rotary bead cutter once is described in detail below in detail: during work piece cut, as long as hand steered workpiece positioning disk 14 promotes forward along Y direction, horizontal slide plate 10 is done Y direction by second slide 9 on second slide rail 8 on the elevating bracket 7 straight line moves, after guide 13 just enters in first straightway 1411 (this straightway is also just in time along the Y direction setting) of the guide rail 141 of workpiece positioning disk 14 back, guide 13 moves in each section track of guide rail 141, has just finished the continuous cutting action of two sections straightways of workpiece and arc section.

Because the length of workpiece straightway has all size, if length of straigh line is long, can unscrew rack locking bolt 27, makes frame 30 move at the 3rd slide rail 28 by the 3rd slide 29.As shown in Figure 4, when processing left part, frame 30 is toward moving to left, and when processing right part, frame 30 is toward moving right.General straight length is short, and frame 30 is with regard to centerlock.After the adjustment, again rack locking bolt 27 is tightened, made it frame 30 and keep motionless in a certain position of the 3rd slide rail 28 together with parts mounted thereto.

The above, only be preferable feasible embodiment of the present utility model, non-ly limit claim of the present utility model,, all in like manner all be contained in the scope of the present utility model so the equivalent structure that all utilization the utility model specifications and accompanying drawing content are carried out changes with this.

Claims

1, a kind of bead cutter is characterized in that: comprise knife rest (100) and workpiece holder (200);

Described knife rest (100) comprises frame (30), be arranged on last break bar (21) on the described frame (30) with following break bar (24), be arranged on driving gear (17) and driven gear (18) on the described frame (30), described driving gear (17) is driven by motor (15) and rotates, described driving gear (17) and driven gear (18) external toothing rotation mutually, described break bar (24) and driving gear (17) same axis setting down, described upward break bar (21) and driven gear (18) same axis setting;

Described workpiece holder (200) comprises base (1), can be arranged on travelling carriage (5) on the described base movably, can be slidingly arranged in elevating bracket (7) on the described travelling carriage (5), can be slidingly arranged in horizontal slide plate (10) on the described elevating bracket (7), be arranged on workpiece positioning disk (14) on the described horizontal slide plate (10) rotationally along Y direction along Z-direction along X-direction; Described workpiece positioning disk (14) is provided with guide rail (141), this guide rail (141) is the U type, also be set with guide (13) on the described elevating bracket (7), this guide (13) effect of matching with described guide rail (141) limits the motion track of described workpiece positioning disk (14), and the clamp assembly (26) that is used for clamping work pieces is installed on the described workpiece positioning disk (14).

2, bead cutter according to claim 1, it is characterized in that: also be provided with on the described frame (30) and adjust wheel and adjust wheel down, the described adjustment wheel of going up comprises the upward outer adjustment wheel (22) that lays respectively at described upward break bar (21) left and right sides, adjust wheel (20) in going up, the described wheel of adjusting down comprises the following outer wheel (25) of adjusting that is positioned at described break bar (24) left and right sides down respectively, adjust wheel (23) down, describedly the outer wheel (22) of adjusting and adjust wheel (25) and face up and down outward down, adjust wheel (20) in described the going up and adjust wheel (23) in down and face up and down with described with described.

3, bead cutter according to claim 2 is characterized in that: described break bar (24) down comprises outer break bar (241) and down interior break bar (242) down.

4, bead cutter according to claim 3 is characterized in that: described outer break bar (241) down is wholely set with the described outer down wheel (25) of adjusting.

5, bead cutter according to claim 2 is characterized in that: also be provided with between the described upper and lower adjustment wheel and be used to regulate the adjustment bolt (19) in gap between the two.

6, bead cutter according to claim 1 is characterized in that: described clamp assembly (26) is divided into long straightway clamp assembly (261), short lines section clamp assembly (263) and arc section clamp assembly (262).

7, bead cutter according to claim 1 is characterized in that: described frame (30) is arranged on along on the 3rd slide rail (28) of Y direction extension.