CN102672863A - Semiautomatic trimming machine for rubber parts - Google Patents
Semiautomatic trimming machine for rubber parts Download PDFInfo
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- CN102672863A CN102672863A CN2012100954595A CN201210095459A CN102672863A CN 102672863 A CN102672863 A CN 102672863A CN 2012100954595 A CN2012100954595 A CN 2012100954595A CN 201210095459 A CN201210095459 A CN 201210095459A CN 102672863 A CN102672863 A CN 102672863A
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Abstract
The invention discloses a semiautomatic trimming machine for rubber parts. A workpiece rotary driving device, a radial cutting mechanism and an end-direction cutting mechanism are disposed on a base. The radial cutting mechanism comprises a radial cutter holder and a radial cutter slidably arranged on the radial cutter holder, a driving pressure spring abutted against the tail end of the radial cutter is arranged on the radial cutter holder, and the radial cutter is connected with a radial feed control handle through a clutch device. The end-direction cutting mechanism comprises an end-direction cutter holder, an end-direction feed control handle, a slider and an end-direction cutter, wherein the end-direction cutter is rotatably arranged on the head of the slider which is slidably arranged on the end-direction cutter holder. A torsion spring driving the end-direction cutter to rotate is arranged on the slider, and the middle of the end-direction feed control handle is hinged to the end-direction cutter holder and hinged to the tail of the slider through a connecting rod. The radial cutter and the end-direction cutter are both fixed in floating manners, trimming is thorough and effective, product damage can be avoided, and manufacturing cost is low.
Description
Technical field
The present invention relates to a kind of after-treatment device of rubber parts, especially relate to a kind of edge-neatening apparatus of removing the rubber parts overlap.
Background technology
In the production process of rubber,, be filled in sizing material in the die cavity and can keep certain excessive in order to prevent starved; Arrived the molded vulcanization stage; Sizing material is full of die cavity rapidly, and its unnecessary sizing material overflows the formation overlap through the mould die joint or with the joint of damascene part, and overlap is in case form; Must just can obtain intact product through deburring, so that product design is neat, attractive in appearance.
In the method for deburring at present main following three:
One, manual deburring, promptly the hand-held cutter of operator along the outer rim of product, is progressively repaiied overlap.The time-consuming consumption work efficiency of these class methods rate is low, on the product body, stays indentation easily, breach causes and scraps, difficult quality guarantee, and consistency of product is relatively poor.
Two, freezing deburring; Rubber at low temperatures can hardening, become fragile, and because of the different degree differences that become fragile of thickness, therefore; Under same cryogenic conditions; Catch crisp and not crisp time difference of body of overlap, the product of treating deburring applies external force such as friction, impact, vibration overlap is removed, and this moment, the product body still was in elastic stage and injury-free.For example; A kind of disclosed on the Chinese patent document " method for trimming of micro plastic products, rubber overlap "; Publication number is CN101450458A, this invention be with plastic products be refrigerated to below subzero 100 degree, rubber is refrigerated to below subzero 200 degree, in cylinder, roll together simultaneously with steel ball; Roll deflashing, be warming up to room temperature then naturally product is taken out.It is big that yet said method exists investment, the problem that expense is high, and be difficult to accomplish remove fully overlap, and especially when the thickness of overlap was thicker, its residual meeting was more; In addition, easily product is caused damage, stay pit on the surface of product.
Three, mechanical deburring generally is through die-cut mode overlap to be removed, for example; Another kind of disclosed on the Chinese patent document " manually trimmer "; Granted publication number is CN202079711U, and it comprises the die shoe that is provided with punch, the dynamic model seat that is provided with die, is connected with sleeve pipe through guide pillar between die shoe and the dynamic model seat; Also be provided with the manual press moulding mechanism that a cover links to each other with the dynamic model seat on the die shoe; To be used to press down the dynamic model seat, this device adopts the punching press principle to have manual mode to excise the overlap of product periphery fast, and it has the advantages that cost is low, efficient is high.Yet rubber parts has to shrink when sulfidization molding and produces, and; The poor rigidity of rubber parts itself is easy to generate distortion, so the uniformity of the shape of product of its final molding and size is relatively poor; When adopting above-mentioned die-cut mode to remove overlap; The meeting appearance perhaps can not be clean with the overlap excision with " eating meat " phenomenon of product edge excision, thereby influence the final mass of product.In addition; Has the rotary structure rubber parts and the rubber parts one or both ends are provided with the workpiece that has the rotary structure metal end equally for some; At this moment, the outer circumference face that is connected with metal end at the rubber parts of workpiece or the jointing line place of end face can produce overlap, simultaneously; Also can stay overlap in die joint position, the side of rubber parts, and the finishing of this type of overlap can't be adopted above-mentioned die-cut mode.
Summary of the invention
The present invention is in order to solve the problem that the existing deburring cost of existing rubber parts deburring mode is high, deburring does not damage product thoroughly, easily; Provide a kind of being applicable to have the semi-automatic edge-neatening apparatus that rotary structure and at least one end have the rubber parts deburring of metal end, its deburring is thoroughly effective, can not cause damage and cost low to product.
To achieve these goals; The present invention adopts following technical scheme: a kind of semi-automatic rubber parts trimmer; Comprise base, be located at workpiece device for revolving and driving and radial cutting mechanism on the base; Said radial cutting mechanism comprises the radial cutting tool rest of being located on the base and is located at the radial cut sharpener on the radial cutting tool rest slidably, and the radial cutting tool rest is provided with the driving stage clip that compresses radial cut sharpener tail end, and the radial cut sharpener is connected with a radial feed joystick through arrangement of clutch.
The present invention adopts mechanical deburring mode, thereby compares with freezing deburring mode, and it is simple to have technology, the advantage that production cost is low.The present invention locatees piece-holder and rotation through the workpiece device for revolving and driving; Between the radial cut sharpener of radial cutting mechanism and the radial cutting tool rest for being slidingly connected; The radial cutting cutter has a cutting position that moves ahead and a position of readiness of retreating; The radial feed joystick can be connected with the radial cut sharpener and makes it be in position of readiness through arrangement of clutch; When the radial feed joystick separated with the radial cut sharpener through arrangement of clutch, the radial cut sharpener can proceed to cutting position under the elastic force effect that drives stage clip, thereby with clean with the overlap excision of the junction of metal end on the rubber parts periphery.Because the shape and size of rubber parts behind sulfidization molding have bigger distortion inaccuracy, and also have coaxiality error between metal end and the rubber parts, therefore; When carrying out gyration, can produce bigger circular runout; If the radial cut sharpener adopts the mode that is fixedly connected, overlap will inevitably occur and remove halfway phenomenon, and remove clean in order to ensure overlap; " eating meat " phenomenon then can appear; Surface of the work can be excised by the radial cut sharpener slightly, and the radial cut sharpener creatively adopts floating type fixed form among the present invention, and it can be advanced and retreat along with the surface of the work shape variation under the effect that drives stage clip automatically.Because the thinner thickness of overlap, therefore, the cutting edge of radial cut sharpener need not sharp, can and tear off workpiece with the overlap extruding and only need apply certain pressure, thereby realizes removing the effect of overlap.Particularly, when the radial cut sharpener moves ahead, at first that the overlap excision of rubber parts and metal end junction is clean; At this moment; The cutting edge of radial cut sharpener is pressed on the periphery of metal end, thereby can not cause damage to rubber parts, through suitably controlling the size of drive pressure spring force; And the shape and the sharpness of the material of radial cut sharpener, cutting edge, can avoid that the radial cut sharpener produces damage to the metal end surface when the excision overlap.
As preferably; Said workpiece device for revolving and driving is made up of a detent mechanism and a driving mechanism; Wherein detent mechanism comprises the following positioning seat that is fixed on the base and is arranged on down the last positioning seat on the positioning seat; Upper and lower positioning seat is provided with semicircle groove respectively to constitute the cylindrical localization cavity of ccontaining workpiece on facing surfaces; The first-class branch of the medial surface of this localization cavity is provided with 3-4 location roller bearing, and an end of upper and lower positioning seat is hinged through rotating shaft, and the other end is through the buckle structure clamping; Said driving mechanism comprises reducing motor, is driven and the driving shaft coaxial with localization cavity by reducing motor, and the end of driving shaft is provided with work holder.
Because location and driving to workpiece in the workpiece device for revolving and driving are to be realized by detent mechanism and driving mechanism respectively; Can avoid workpiece merely by the clamping device clamping and drive the problems such as the excessive easy damaged surface of the work of the power of holding, piece-holder instability are prone to rock that add caused; Particularly; Workpiece is clamped in the cylindrical localization cavity of upper and lower positioning seat, and the location roller bearing can make the workpiece automatic centering, produces when avoiding it to rotate and rocks.Because workpiece is reliably located by upper and lower positioning seat, therefore,, work holder rotates as long as driving workpiece, can reduce chucking power significantly, avoid workpiece is caused damage.
As preferably, said work holder is a U-shaped claw, and the U-shaped catch jacket is connected on the driving shaft and constitutes unidirectional being in transmission connection.The U-shaped claw can flat head block the metal end of workpiece, because workpiece is reliably located by upper and lower positioning seat, therefore, can drive workpiece through the U-shaped claw and rotate, and be convenient to Fast Installation, clamping and the dismounting of workpiece.Especially; U-shaped claw and driving shaft are unidirectional being in transmission connection; Thereby be convenient to reverse hand rotation U-shaped claw, make its U-shaped bayonet socket be in suitable vertical position, so as workpiece on being placed into down positioning seat the time its metal end can get into from top to bottom in the U-shaped bayonet socket easily.
As preferably; Along the circumferential direction be provided with at least one non-return groove on the said driving shaft, the bottom surface of non-return groove cross section is an arc, and the degree of depth of non-return groove is progressively increased by an end to the other end; The U-shaped claw is provided with annular slot with the corresponding non-return groove of the sleeve joint hole medial surface position that driving shaft cooperates; The darker end of the degree of depth is provided with reverse stopping ball in the cross section semicircular in shape of annular slot, non-return groove, and the cross section radius of non-return groove bottom and the cross section radius of annular slot equal the radius of reverse stopping ball.When the driving shaft backward rotation, reverse stopping ball rolls the darker end of the degree of depth in non-return groove, and produce idle running between driving shaft and the U-shaped claw this moment; When the driving shaft forward rotation, reverse stopping ball is by with the more shallow end of the degree of depth in non-return groove, and then produces extrusion friction power with U-shaped claw and driving shaft, and drives the U-shaped claw and rotate.Because the cross section radius of non-return groove bottom and the cross section radius of annular slot equal the radius of reverse stopping ball; And the cross section semicircular in shape of annular slot, thereby the degree of depth that is rolled to non-return groove when reverse stopping ball is when equaling the radial location of reverse stopping ball, non-return groove just constitutes the circular cross-section that a radius equates with the reverse stopping ball radius with annular slot; And reverse stopping ball blocked; At this moment, have maximum contact area between reverse stopping ball and annular slot and the non-return groove, thereby help increasing its frictional force; Reduce wear, increase the reliability of unidirectional delivery torque.
As preferably; Said buckle structure comprises the clamping flange on the end face of being located at down the relative end with rotating shaft of positioning seat; Last positioning seat then is provided with the clamping handle vertically on corresponding end face; The middle part of clamping handle and last positioning seat are rotationally connected, and its lower end is provided with the grab with the clamping of clamping flange, and grab is provided with lead-in chamfered near the lateral surface of following positioning seat bottom; Be provided with back-moving spring between the upper end medial surface of clamping handle and the last positioning seat, also be provided with on the last positioning seat against the spacing ring of clamping handle upper end lateral surface.Instantly after placing workpiece in the positioning seat, positioning seat closes it in the rotation, and the lead-in chamfered on the grab contacts and slips off with the clamping flange; When last positioning seat was clamped in place workpiece, grab rotated to reset automatically under the effect of back-moving spring the clamping flange is blocked, thereby upper and lower positioning seat quickly and reliably is connected together.When deburring finishes, only need to rotate and mention the clamping handle, can make upper and lower positioning seat fast separately to take out workpiece.
As preferably; Radial feed joystick one end is a handheld terminal; The other end and radial cutting tool rest are hinged, and said arrangement of clutch comprises the cam of being located at the shifting lever on the radial cutting tool rest rotationally and being arranged on radial feed joystick hinged end, and the tail end of radial cut sharpener is bent to form bending part; One end of said shifting lever is against the medial surface of bending part, and its other end is against cam outer face.When rotating the radial feed joystick, the cam of its hinged end promptly promotes shifting lever and rotates, and then with radial cut sharpener pulled backwards to position to be cut, utilizes the self-locking characteristics of cam can the radial cut sharpener be located reliably; When needs excision overlap; Backward rotation radial feed joystick; Cam discharges shifting lever progressively, and the radial cut sharpener can move ahead under the effect that drives stage clip and begin to excise the overlap on the workpiece, thereby avoids between radial cut sharpener and the workpiece and produce between each parts impacting; Avoid surface of the work flaw to occur, and the service life of extension fixture.
As preferably; Side in radial cutting mechanism also is provided with end grain cutting mechanism; Said end grain cutting mechanism comprises the end grain cutting tool rest of being located on the base, the end grain cutting cutter that end is located at the slide block on the end grain cutting tool rest and is located at slider head rotationally to feed control lever, slidably; The direction of feed of slide block becomes the angle of 30 degree to 60 degree with the direction of feed of radial cut sharpener; Slide block is provided with drive end to the torsion spring that bite rotates, and hold hingedly to the middle part and the end grain cutting tool rest of feed control lever, and holding to feed control lever one end is the Handheld Division; The other end is then hinged with the end of a connecting rod, and the other end of this connecting rod and the afterbody of slide block are hinged.
End grain cutting mechanism can be used for removing the make progress overlap of metal end and rubber parts junction of work end, and end moves ahead through connecting rod to feed control lever with promoting slider tilt, makes the overlap place of the end grain cutting cutter of slider head near workpiece end face.Mechanism is similar with radial cutting; In the end grain cutting of the present invention mechanism; The end grain cutting cutter also is to adopt floating type fixed form; It can when removing overlap, be avoided occurring causing the problem of workpiece end face damage because of workpiece morpheme error causes end face run-out along with the surface of the work shape variation is rotated advance and retreat automatically under the effect of torsion spring.The end grain cutting cutter has an initial moment of torsion under the effect of torsion spring; Through suitably controlling the size of torsion spring elastic force; And the shape and the sharpness of the material of end grain cutting cutter, cutting edge, can avoid effectively the excision end during to overlap the end grain cutting cutter workpiece end face is produced damage.
As preferably; Also be provided with laterally the workpiece horizontal positioning device of fixation workpiece and the cloth matter emery wheel that is arranged on workpiece horizontal positioning device both sides on the base slidably, the piston rod that said workpiece horizontal positioning device and is fixed on the edging cylinder on the base is connected.Workpiece laterally is fixed on the part horizontal positioning device; Edging cylinder promotion horizontal positioning device is done and is moved forward and backward; The cloth matter emery wheel of both sides can be removed the overlap on the die joint of workpiece both sides; And cloth matter emery wheel both can have been avoided surface of the work is produced damage, can guarantee itself and the fitting tightly of surface of the work again, made overlap be able to remove totally.
As preferably, the casting die cylinder that said workpiece horizontal positioning device comprises positioning seat and is fixedly connected with it, it is rectangular-shaped that positioning seat is; Its upper surface is provided with the locating slot adaptive with the workpiece lateral surface along its length; And be provided with locating piece at an end of positioning seat, and locating piece is provided with the rectangular through slot adaptive with the metal end profile, and the bottom of rectangular through slot is provided with alignment pin; Said casting die cylinder is positioned at locating slot top, and down end is provided with the briquetting adaptive with the workpiece profile on its piston rod.Can make workpiece place secure with the adaptive locating slot of workpiece lateral surface, the alignment pin of rectangular through slot bottom then can cooperate with the transverse holes on the metal end, thereby avoids the rotation of workpiece, guarantees that workpiece puts into locating slot according to correct direction.
As preferably, cloth matter emery wheel is located on the supporting base, and the bottom of supporting base is provided with and is used for the screwed hole that is fixedly connected with base; Then be provided with corresponding Long Circle bolt via hole on the base; Be positioned at the supporting base side on the base and be fixed with adjustable plate, adjustable plate is provided with horizontal screwed hole, is bolted with adjusting screw(rod) in the screwed hole; Supporting base be provided with connecting hole and with the stop screw of connecting hole vertical connection; The end of adjusting screw(rod) passes screwed hole and is positioned at connecting hole, and the end periphery of adjusting screw(rod) is provided with annular spacing groove, and stop screw is positioned in the annular spacing groove.Because what be used for being fixedly connected with supporting base on the base is Long Circle bolt via hole, therefore, after unscrewing screw, can adjusts the position of cloth matter emery wheel easily, thereby guarantee the overlap on the workpiece die joint is removed clean through rotating adjusting screw(rod).
In sum, the present invention has following beneficial effect: deburring is thoroughly effective, can not cause damage and low cost of manufacture to product.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is a vertical view of the present invention.
Fig. 3 is that the part at B place among Fig. 2 sends out figure big.
Fig. 4 is the rotation profile at C-C place among Fig. 2.
Fig. 5 is the partial enlarged drawing at buckle structure place among Fig. 4.
Fig. 6 is the structural representation of work holder.
Fig. 7 is the profile at A-A place among Fig. 6.
Fig. 8 is the structural representation of end grain cutting mechanism.
Fig. 9 is the structural representation that end grain cutting mechanism decomposes.
Figure 10 is the structural representation after the end grain cutting tool rest is removed by end grain cutting mechanism.
Figure 11 is the rotation profile at D-D place among Fig. 2.
Figure 12 is the part sectioned view at E-E place among Fig. 2.
Among the figure: 1; Base 2; Workpiece device for revolving and driving 21; Detent mechanism 211; Following positioning seat 212; Last positioning seat 213; Clamping flange 214; Clamping handle 215; Grab 216; Lead-in chamfered 217; Back-moving spring 218; Spacing ring 219; Last clamping face 22; Driving mechanism 221; Reducing motor 222; Driving shaft 223; Work holder 224; Sleeve joint hole 225; Non-return groove 226; Reverse stopping ball 227; Annular slot 23; Semicircle groove 24; Location roller bearing 3; Radial cutting mechanism 31; Radial cutting tool rest 32; Radial cut sharpener 321; Bending part 33; Adjustment piece 34; Drive stage clip 35; Adjustment bolt 36; Radial feed joystick 37; Shifting lever 38; Cam 4; End grain cutting mechanism 40; End grain cutting tool rest 41; End grain cutting cutter 42; Slide block 43; Rotation seat 44; Driving lever 45; Limited block 46; Pin 47; End is to feed control lever 48; Connecting rod 481; Rotating shaft 49; Torsion spring 5; Work top 6; Edging device 61; Workpiece horizontal positioning device 62; Cloth matter emery wheel 621; Supporting base 63; Positioning seat 631; Cambered surface locating slot 632; Locating piece 633; Alignment pin 64; Casting die cylinder 65; Support 66; Briquetting 67; Edging cylinder 68; Guide post 69; Adjustable plate 691; Adjusting screw(rod) 692; Connecting hole 693; Stop screw 694; Annular spacing groove.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further description.
A kind of semi-automatic rubber parts trimmer; It is applicable to have the workpiece deburring that rotary structure rubber parts and at least one end have metal end, the overlap of the junction of die joint overlap and rubber parts and the metal end that can remove rubber parts periphery and end in the outside.Be applicable to that like Fig. 1, embodiment shown in Figure 2 two ends all have the deburring of metal end workpiece; It comprises base 1, is located at workpiece device for revolving and driving 2, radial cutting mechanism 3 and end grain cutting mechanism 4 on the base; Base is the workbench of a frame structure, has a work top 5 of settling each mechanism and device.For ease of explanation, the side near operating personnel on the base is the front side, is rear side away from operating personnel's a side.The workpiece device for revolving and driving is made up of a detent mechanism 21 and a driving mechanism 22, to realize the gyration of workpiece; Radial cutting mechanism is in order to the overlap of the junction of rubber parts and metal end on the outer circumference face of removing workpiece; End grain cutting mechanism then is used to remove the end face of workpiece or near the overlap of the junction of rubber parts and metal end on the inside circumference face of end face.
Like Fig. 1, shown in Figure 4; Detent mechanism 21 comprises the following positioning seat 211 on the work top that is fixed on base and is arranged on down the last positioning seat 212 on the positioning seat; Upper and lower positioning seat is provided with semicircle groove 23 respectively on facing surfaces; Two semicircle groove splicing backs constitute a cylindrical localization cavity, and with ccontaining and location workpiece, the axial of localization cavity is the left and right directions of base.Be to make workpiece to rotate on steady and smooth ground, the axially parallel ground branch of etc.ing with localization cavity on the medial surface of localization cavity is provided with four location roller bearings 24, respectively is provided with two on the upper and lower positioning seat, thereby the workpiece roller bearing clamping that is positioned is also reliablely and stablely located.Three location roller bearings also can be set certainly, thereby help the automatic centering of workpiece.Upper and lower positioning seat is hinged through rotating shaft near the rear end of base rear side, near the front end of base front side then through the buckle structure clamping, realizing quick piece installing, and handled easily personnel's operation.
Like Fig. 4, shown in Figure 5, buckle structure comprises on the end face of following positioning seat front end that to the clamping flange 213 of outer lug, last positioning seat then is provided with a clamping handle 214 vertically on the end face of front end.The middle part of clamping handle and last positioning seat are rotationally connected, and the lower end of clamping handle is towards the down clamping flange bending of positioning seat, thus constitute can with the grab 215 of clamping flange clamping.Grab is provided with lead-in chamfered 216 near the lateral surface of following positioning seat bottom; This lead-in chamfered is inclined upwardly and progressively near the following front end end face of positioning seat; Simultaneously, the upper end correspondence position with the clamping handle on the front end end face of last positioning seat is provided with a counterbore, and back-moving spring 217 is set in counterbore; The outer end of this back-moving spring compresses the medial surface of clamping handle; The elastic force of spring outwards rotates the upper end of clamping handle, and the grab of lower end then can catch on the clamping flange, to realize the clamping between the upper and lower positioning seat.In addition, on the end face of last positioning seat front end, also be provided with a spacing ring 218, the upper end of clamping handle passes spacing ring, and clamping handle upper end lateral surface is resisted against on the spacing ring, to limit the rotational angle of clamping handle.Further; The last clamping face 219 that clamping handle, at its lower end grab and clamping flange are fitted is an inclined downward, thereby makes grab near the clamping flange time, through the guiding function on this inclined-plane; Grab can successfully be realized the clamping with the clamping flange; And keep clamping closely, avoid the gap occurring between grab and the clamping flange problem that the workpiece that helps avoiding the scale error because of workpiece to cause becomes flexible or grab can't clamping.
Like Fig. 1, shown in Figure 2; Driving mechanism 22 in the workpiece device for revolving and driving comprise reducing motor 221 on the work top that is arranged on base, with the driving shaft 222 of localization cavity coaxial arrangement; Driving shaft is arranged on the bearing block that is fixedly connected with work top rotationally; Reducing motor links to each other with the tail end of driving shaft through belt gear, and to drive this drive shaft turns, the front end of driving shaft is provided with work holder 223.
Like Fig. 6, shown in Figure 7, work holder is a U-shaped claw, and the flat part of the bayonet socket width of U-shaped claw front end and the metal end end of workpiece is suitable, so that workpiece is blocked and drive its rotation.Certainly, according to the difference of workpiece shape, work holder also can adopt the claw of other shapes, and its connected mode can be that the side direction from claw snaps in, and also can snap in from the end of claw, to realize quick clamping.Thereby the rear end end face of U-shaped claw is provided with the sleeve joint hole 224 that cooperates with driving shaft and is socketed on the driving shaft.Simultaneously, picking and placeing of workpiece can be provided with the unidirectional structure that is in transmission connection between the sleeve joint hole of driving shaft and U-shaped claw for ease.
The unidirectional structure that is in transmission connection comprises at least one the non-return groove 225 that is arranged on equably on the driving shaft circumferencial direction; Its preferred value is two; The degree of depth of non-return groove is progressively increased by an end to the other end along the counter-rotational direction of driving shaft, and the darker end of the degree of depth is provided with reverse stopping ball 226 in the non-return groove.Simultaneously, the U-shaped claw is provided with annular slot 227 with the corresponding non-return groove of the sleeve joint hole medial surface position that driving shaft cooperates, the cross section semicircular in shape of annular slot, and its radius equals the radius of reverse stopping ball, and annular slot cooperates the raceway that constitutes reverse stopping ball with non-return groove.In addition, the bottom surface of non-return groove cross section is an arc, and the radius of arc equates with the radius of reverse stopping ball; And; The degree of depth of the darker end of the degree of depth is greater than the radius of reverse stopping ball in the non-return groove, and the degree of depth of the end that the degree of depth is more shallow is then less than the radius of reverse stopping ball, thereby when the driving shaft forward rotation; This moment, the U-shaped claw was static relatively; Reverse stopping ball is by with the more shallow end of the degree of depth in non-return groove, and finally is stuck in the position that the degree of depth in the middle of the non-return groove just equals the radius of reverse stopping ball, and this moment, non-return groove cooperated circular cross-section that radius equates with the reverse stopping ball radius of formation with annular slot; Reverse stopping ball and non-return groove and annular slot produce extrusion friction power, rotate but make driving shaft forward ground drive the U-shaped claw.When needs pick and place workpiece; Then but forward ground rotates the U-shaped claw with hand; At this moment, driving shaft is static relatively, and reverse stopping ball is taken back the darker end of the degree of depth in the non-return groove again; Can be gapped between cavity that annular slot and non-return groove constitute and the reverse stopping ball, be separated from each other idle running between U-shaped claw and the driving shaft.When the bayonet socket of U-shaped claw turns to vertical position, can put into or take out workpiece from the top of following positioning seat and U-shaped claw easily.
Like Fig. 3, shown in Figure 4; Radial cutting of the present invention mechanism 3 comprises radial cutting tool rest 31 and two radial cut sharpeners 32; The radial cutting tool rest is positioned at the front side of work top, and is linked to be as a wholely with following positioning seat, and the left and right sides of radial cutting tool rest is provided with the chute with the axis normal of localization cavity; Two radial cut sharpeners lay respectively in two chutes, thereby are slidingly connected with radial cutting tool rest formation.When workpiece has only a metal end, a radial cut sharpener can only be set, and the position of chute also can be arranged on the centre position of radial cutting tool rest according to the variation of workpiece shape and structure.End near the base front side on the radial cutting tool rest is provided with an adjustment piece 33; This adjustment piece left and right sides is provided with horizontal location hole of the spring respectively; The tail end of location hole of the spring and radial cut sharpener is relative; Be provided with in the location hole of the spring and drive stage clip 34, the other end that drives stage clip compresses the tail end of radial cut sharpener.The adjustment piece is provided with a horizontal bolt hole in the centre position, an adjustment bolt 35 passes this bolt hole and is threaded with the radial cutting tool rest, and through regulating the screw-in depth of adjustment bolt, it is big or small to the elastic force of bite radially to change driving spring easily.
In order to control the radial feed of radial cut sharpener, the tail end of radial cut sharpener is connected with a radial feed joystick 36 through arrangement of clutch.Radial feed joystick one end is a handheld terminal, and the other end and radial cutting tool rest are hinged, and the radial feed joystick can be rotated in perpendicular.This arrangement of clutch comprises shifting lever of being located at rotationally on the radial cutting tool rest 37 and the cam 38 that is arranged on radial feed joystick hinged end; Shifting lever vertically is arranged in the groove of radial cutting tool rest front end; This groove about between two radial cut sharpener tail ends; Have the space between shifting lever and the groove, groove can play position-limiting action to shifting lever, makes can in perpendicular, the fix rotation of angle of shifting lever.The radial cut sharpener is L-shaped, and the tail end of two radial cut sharpeners is bent to form bending part 321 relatively, and the upper end of shifting lever is resisted against on the medial surface of two radial cut sharpener tail end bending parts, and its lower end is then against the cam outer face of radial feed joystick.By means of lever principle; The radial feed joystick can be controlled the radial feed of radial cut sharpener effortlessly; When rotating the radial feed joystick, the cam of its hinged end promptly promotes shifting lever progressively and rotates, and rotate to the front side of base the upper end of shifting lever; Thereby the radial cut sharpener that drives tail end bending part and its butt moves to position to be cut to the front side of base, utilizes the self-locking characteristics of cam can the radial cut sharpener be located reliably; Backward rotation radial feed joystick, cam discharge shifting lever and backward rotation progressively, and the radial cut sharpener can move ahead smoothly under the effect that drives stage clip and begin to excise the overlap on the workpiece.When the periphery of workpiece had circular runout, the radial cut sharpener that elasticity connects can bounce back automatically, and through the pretension elastic force size of adjustment driving spring, it is impaired to guarantee that surface of the work avoids when removing overlap.
Further, like Fig. 1, shown in Figure 2, the present invention also is respectively equipped with end grain cutting mechanism 4 in the both sides of radial cutting mechanism, to remove the overlap of workpiece two ends metal end and rubber parts junction.Like Fig. 8, Fig. 9, shown in Figure 10; End grain cutting mechanism comprises the end grain cutting tool rest 40 that is fixed on the base worktable face; The end grain cutting tool rest is provided with slide rail, and a slide block 42 is set on the slide rail slidably, and the direction of feed of slide block becomes the angle of 30 degree to 60 degree with the direction of feed of radial cut sharpener; Its preferred value is 45 degree; At the upper surface of the slider head rotation seat 43 vertically arranged that is rotationally connected, simultaneously corresponding position limiting structure is set on slide block, rotation seat can be rotated in certain angular range.There is end grain cutting cutter 41 rotation seat upper end removably clamping, and the lower end of rotation seat is provided with driving lever 44, and the upper end then is provided with limited block 45, for being rotationally connected, and locatees through screw between driving lever and the rotation seat.One torsion spring 49 is set on the slide block, and an end butt driving lever of torsion spring rotates to promote rotation seat.Through the relative position of adjustment driving lever and rotation seat, can adjust the initial torsion of torsion spring easily to rotation seat.For anti-limited slip block skids off from the end grain cutting tool rest, be provided with and the corresponding pin 46 of limited block on the end grain cutting tool rest, when slide block during to front slide, pin contacts with limited block, with the displacement of qualification slide block.Be hinged with the end that can horizontally rotate to feed control lever 47 near the slider tail place on the end grain cutting tool rest; Its pin joint is positioned at the middle part of end to feed control lever; End is the Handheld Division to feed control lever one end, and the other end is then hinged with the end of a connecting rod 48, and the other end of connecting rod is provided with vertical rotating shaft 481; The afterbody of slide block is provided with the shaft hole that is rotatably assorted, thereby makes the afterbody of connecting rod and slide block constitute hinged.Rotate end to feed control lever, end moves ahead through connecting rod to the other end of feed control lever with promoting slider tilt, and the end grain cutting cutter that makes slider head is progressively near the overlap place of workpiece end face or medial surface and begin to remove overlap.Because the end grain cutting cutter is that floating ground is installed on the slide block, make it avoid occurring the problem of surface of the work damage along with the surface of the work shape variation is rotated advance and retreat automatically with beating.Pin can limit the rotational angle of rotation seat; Make the end grain cutting cutter under the effect of torsion spring, have an initial moment of torsion; Through suitably adjusting the initial torsion of torsion spring, can avoid the end grain cutting cutter that surface of the work is produced damage effectively, guarantee the thoroughly clean of deburring simultaneously.
Further; Like Fig. 1, Fig. 2, shown in Figure 11, the present invention also is provided with the edging device 6 of removing workpiece die joint overlap, the cloth matter emery wheel 62 that it comprises the workpiece horizontal positioning device 61 that is slidingly arranged on the base worktable face and is arranged on workpiece horizontal positioning device both sides; The casting die cylinder 64 that the workpiece horizontal positioning device comprises positioning seat 63 and is fixedly connected and vertically is provided with it; It is rectangular-shaped that positioning seat is, and it is fixedly connected with support 65 on the work top that is slidingly arranged in base, and the positioning seat upper surface is provided with the locating slot 631 with the adaptive cambered surface of workpiece lateral surface along its length; And locating piece 632 is set at an end of positioning seat; Be provided with and the adaptive rectangular through slot of metal end profile on the locating piece, the bottom of rectangular through slot is provided with alignment pin 633, to be used for cooperating the location with the hole of metal end side.Certainly; According to the variation of metal end shape and structure, can make corresponding change and adjustment by the metal end cap location structure that rectangular through slot and alignment pin constitute, and also locating piece can be set at the other end of positioning seat; So that the metal end to the workpiece two ends is located simultaneously, that guarantees to locate is reliable.In addition, on the lower surface of work top, laterally fixedly install edging cylinder 67, the piston rod of edging cylinder is connected with support, thereby can promote support axially the moving horizontally of locating slot in the positioning seat.
The casting die cylinder is positioned at locating slot top, and is fixedly connected with support, and down end is provided with briquetting 66 on the piston rod of casting die cylinder, and the lower surface of briquetting is provided with the groove adaptive with the workpiece lateral surface.In addition, be provided with guide post 68 at the upper surface of briquetting, support is provided with the linear bearing of supporting guide post.
Shown in figure 12, the cloth matter emery wheel in the edging device is located on the supporting base 621 rotationally, and cloth matter emery wheel is driven through belt gear by the motor of being located at the supporting base bottom.For the moving adjustment of the location portability that makes supporting base; The bottom of supporting base is provided for the screwed hole that is fixedly connected with the work top of base; Then be provided with corresponding Long Circle bolt via hole on the work top of base; The Long Circle bolt via hole that is used for fixing workpiece horizontal positioning device two-side supporting seat on the work top arrangement that is in line; Thereby make two supporting bases can be relatively near or separately, with the distance between the workpiece on the cloth matter emery wheel on the adjustment supporting base and the workpiece horizontal positioning device, guarantee that overlap on the die joint is by removal fully.Bolt passes the bolt via hole and is connected with the screwed hole of supporting base bottom, thereby supporting base is fixed on the work top.Adjustment for ease of the supporting base position; Be positioned at the adjustable plate 69 that the supporting base side is fixed with vertical setting on the work top of base, adjustable plate is provided with horizontal screwed hole, is bolted with adjusting screw(rod) 691 in the screwed hole; Corresponding adjusting screw(rod) place is provided with connecting hole 692 on the supporting base; And the stop screw 693 with the connecting hole vertical connection that upwards is spirally connected in the footpath of connecting hole, the end of adjusting screw(rod) passes screwed hole and is positioned at connecting hole, on the end periphery of adjusting screw(rod) annular spacing groove 694 is set; Stop screw is positioned in the annular spacing groove; Thereby when the bolt of fixed mounting base unclamps, rotate adjusting screw(rod) and can move, thereby the position of adjustment supporting base through annular spacing groove and stop screw drive supporting base; Make the cloth matter emery wheel on the supporting base and be fixed on to have suitable extruding force between the workpiece in the workpiece horizontal positioning device, guarantee that the die joint overlap can thoroughly grind to remove.
Mainly in two steps, the first step is removed the overlap of workpiece outer circumference face and end: at first rotate the clamping handle of going up on the positioning seat to the workpiece deburring time in the present invention; The grab of its lower end is separated with the clamping flange of following positioning seat, and this moment, promptly rotatable upward positioning seat opened it, then hand rotation U-shaped claw; Make its opening become vertical direction; Workpiece laterally is placed on down on the roller bearing on the positioning seat from the top, and one of which end metal end then is connected in the U-shaped claw, and positioning seat fastens itself and following positioning seat in the rotation; The grab of clamping handle catches on the clamping flange, makes upper and lower positioning seat clamping work pieces.Start reducing motor and drive the workpiece rotation, then rotate the radial feed joystick, shifting lever is discharged, the radial cut sharpener promptly moves ahead under the promotion of driving spring, and the overlap of workpiece outer circumference face is separated with workpiece by radial cut sharpener extruding tearing.Backward rotation radial feed joystick then, cam promotes shifting lever, makes it drive radial cut sharpener and retreats and reset.Then, both hands are pulled the end of both sides to feed control lever, promote slide block and move ahead, and the end grain cutting cutter on the slide block obliquely near the end of workpiece, is removed the overlap of workpiece end.Oppositely pull end to feed control lever, the end grain cutting cutter is retreated resetted.This moment, promptly rotatable clamping handle separated upper and lower positioning seat and the taking-up workpiece.
Second one, remove the overlap on the die joint of workpiece both sides: at first workpiece laterally is placed on the positioning seat, the hole of metal end side cooperates the location with alignment pin, and the casting die cylinder moves, and is about to Work-sheet pressing under the drive briquetting.Edging cylinder action then promotes support and workpiece and moves horizontally, and the cloth matter emery wheel of positioning seat both sides can remove die joint overlap mill.Follow edging cylinder and casting die cylinder counteragent, workpiece is retreated and is resetted, and horizontal reset on the briquetting can take off workpiece from positioning seat.
Claims (10)
1. semi-automatic rubber parts trimmer; Comprise base (1), be located at workpiece device for revolving and driving (2) and radial cutting mechanism (3) on the base; Said radial cutting mechanism comprises the radial cutting tool rest of being located on the base (31) and is located at the radial cut sharpener (32) on the radial cutting tool rest slidably; The radial cutting tool rest is provided with the driving stage clip (34) that compresses radial cut sharpener tail end, and the radial cut sharpener is connected with a radial feed joystick (36) through arrangement of clutch.
2. a kind of semi-automatic rubber parts trimmer according to claim 1; It is characterized in that; Said workpiece device for revolving and driving is made up of a detent mechanism (21) and a driving mechanism (22); Wherein detent mechanism comprises the following positioning seat (211) that is fixed on the base and is arranged on down the last positioning seat (212) on the positioning seat, and upper and lower positioning seat is provided with semicircle groove (23) respectively to constitute the cylindrical localization cavity of ccontaining workpiece on facing surfaces, and the first-class branch of the medial surface of this localization cavity is provided with 3-4 location roller bearing (24); One end of upper and lower positioning seat is hinged through rotating shaft, and the other end is through the buckle structure clamping; Said driving mechanism comprises reducing motor (221), is driven and the driving shaft (222) coaxial with localization cavity by reducing motor, and the end of driving shaft is provided with work holder (223).
3. a kind of semi-automatic rubber parts trimmer according to claim 2 is characterized in that said work holder is a U-shaped claw, and the U-shaped catch jacket is connected on the driving shaft and constitutes unidirectional being in transmission connection.
4. a kind of semi-automatic rubber parts trimmer according to claim 3; It is characterized in that; Along the circumferential direction be provided with at least one non-return groove (225) on the said driving shaft, the bottom surface of non-return groove cross section is an arc, and the degree of depth of non-return groove is progressively increased by an end to the other end; The U-shaped claw is provided with annular slot (227) with the corresponding non-return groove of sleeve joint hole (224) the medial surface position that driving shaft cooperates; The darker end of the degree of depth is provided with reverse stopping ball (226) in the cross section semicircular in shape of annular slot, non-return groove, and the cross section radius of non-return groove bottom and the cross section radius of annular slot equal the radius of reverse stopping ball.
5. a kind of semi-automatic rubber parts trimmer according to claim 2; It is characterized in that; Said buckle structure comprises the clamping flange (213) on the end face of being located at down the relative end with rotating shaft of positioning seat; Last positioning seat then is provided with clamping handle (214) vertically on corresponding end face; The middle part of clamping handle and last positioning seat are rotationally connected, and its lower end is provided with the grab (215) with the clamping of clamping flange, and grab is provided with lead-in chamfered (216) near the lateral surface of following positioning seat bottom; Be provided with back-moving spring (217) between the upper end medial surface of clamping handle and the last positioning seat, also be provided with on the last positioning seat against the spacing ring (218) of clamping handle upper end lateral surface.
6. a kind of semi-automatic rubber parts trimmer according to claim 1; It is characterized in that; Radial feed joystick one end is a handheld terminal; The other end and radial cutting tool rest are hinged, and said arrangement of clutch comprises shifting lever of being located at rotationally on the radial cutting tool rest (37) and the cam (38) that is arranged on radial feed joystick hinged end, and the tail end of radial cut sharpener is bent to form bending part (321); One end of said shifting lever is against the medial surface of bending part, and its other end is against cam outer face.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described a kind of semi-automatic rubber parts trimmers; It is characterized in that; Side in radial cutting mechanism also is provided with end grain cutting mechanism (4); Said end grain cutting mechanism comprises the end grain cutting tool rest of being located on the base (40), the end grain cutting cutter (41) that end is located at the slide block (42) on the end grain cutting tool rest and is located at slider head rotationally to feed control lever (47), slidably; The direction of feed of slide block becomes the angle of 30 degree to 60 degree with the direction of feed of radial cut sharpener; Slide block is provided with drive end to the torsion spring (49) that bite rotates, and hold hingedly to the middle part and the end grain cutting tool rest of feed control lever, and holding to feed control lever one end is the Handheld Division; The other end is then hinged with the end of a connecting rod (48), and the other end of this connecting rod and the afterbody of slide block are hinged.
8. according to claim 1 or 2 or 3 or 4 or 5 or 6 described a kind of semi-automatic rubber parts trimmers; It is characterized in that; Also be provided with laterally the workpiece horizontal positioning device (61) of fixation workpiece and the cloth matter emery wheel (62) that is arranged on workpiece horizontal positioning device both sides on the base slidably, the piston rod that said workpiece horizontal positioning device and is fixed on the edging cylinder (67) on the base is connected.
9. a kind of semi-automatic rubber parts trimmer according to claim 8; It is characterized in that, the casting die cylinder (64) that said workpiece horizontal positioning device comprises positioning seat (63) and is fixedly connected with it, it is rectangular-shaped that positioning seat is; Its upper surface is provided with the locating slot adaptive with the workpiece lateral surface (631) along its length; And be provided with locating piece (632) at an end of positioning seat, and locating piece is provided with the rectangular through slot adaptive with the metal end profile, and the bottom of rectangular through slot is provided with alignment pin (633); Said casting die cylinder is positioned at locating slot top, and down end is provided with the briquetting adaptive with the workpiece profile (66) on its piston rod.
10. a kind of semi-automatic rubber parts trimmer according to claim 8; It is characterized in that cloth matter emery wheel is located on the supporting base (621), the bottom of supporting base is provided with and is used for the screwed hole that is fixedly connected with base; Then be provided with corresponding Long Circle bolt via hole on the base; Be positioned at the supporting base side on the base and be fixed with adjustable plate (69), adjustable plate is provided with horizontal screwed hole, is bolted with adjusting screw(rod) (691) in the screwed hole; Supporting base be provided with connecting hole (692) and with the stop screw (693) of connecting hole vertical connection; The end of adjusting screw(rod) passes screwed hole and is positioned at connecting hole, and the end periphery of adjusting screw(rod) is provided with annular spacing groove (694), and stop screw is positioned in the annular spacing groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210095459.5A CN102672863B (en) | 2012-04-01 | 2012-04-01 | Semiautomatic trimming machine for rubber parts |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210095459.5A CN102672863B (en) | 2012-04-01 | 2012-04-01 | Semiautomatic trimming machine for rubber parts |
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| CN102672863A true CN102672863A (en) | 2012-09-19 |
| CN102672863B CN102672863B (en) | 2014-04-23 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729376A (en) * | 2012-06-21 | 2012-10-17 | 无锡牧宇自动化科技有限公司 | Automatic rubber finishing device |
| CN103085202A (en) * | 2013-02-07 | 2013-05-08 | 张东 | Polygonal plastic flowerpot edge trimmer |
| CN104108152A (en) * | 2014-07-10 | 2014-10-22 | 安徽京鸿密封件技术有限公司 | Rubber part trimming device |
| CN104289994A (en) * | 2014-09-29 | 2015-01-21 | 四川氟迪新能源有限公司 | Simple driving equipment for rubber edge polishing |
| CN105328534A (en) * | 2015-11-28 | 2016-02-17 | 渝北区千里马模具加工厂 | Deburring device for circular truncated cone shaped rubber workpiece |
| CN106671325A (en) * | 2017-01-16 | 2017-05-17 | 淮阴工学院 | Tire surface deburring production line |
| CN107081657A (en) * | 2017-05-31 | 2017-08-22 | 厦门理工学院 | A kind of automatically grinding device of circular disc test specimen |
| CN107972295A (en) * | 2017-12-13 | 2018-05-01 | 盛天誉 | Aligning gear and bearing calibration |
| CN109015854A (en) * | 2018-08-14 | 2018-12-18 | 杭州中为光电技术有限公司 | Trimmer cutter head relocation mechanism |
| CN111055427A (en) * | 2019-12-11 | 2020-04-24 | 张小维 | Rubber shaping deburring device |
| CN112223428A (en) * | 2020-10-31 | 2021-01-15 | 瑞昌市梦凡家具有限公司 | Furniture board's flush head device |
| CN113442353A (en) * | 2021-08-31 | 2021-09-28 | 东营市方兴橡胶有限责任公司 | Tire trimming device for improving trimming effect and trimming method thereof |
| CN115256029A (en) * | 2022-08-16 | 2022-11-01 | 中材科技（邯郸）风电叶片有限公司 | Device for processing flash of wind power blade |
| CN115256029B (en) * | 2022-08-16 | 2024-04-30 | 中材科技（邯郸）风电叶片有限公司 | Device for processing flash of wind power blade |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102729376A (en) * | 2012-06-21 | 2012-10-17 | 无锡牧宇自动化科技有限公司 | Automatic rubber finishing device |
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| CN103085202A (en) * | 2013-02-07 | 2013-05-08 | 张东 | Polygonal plastic flowerpot edge trimmer |
| CN103085202B (en) * | 2013-02-07 | 2015-06-10 | 张东 | Polygonal plastic flowerpot edge trimmer |
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| CN105328534A (en) * | 2015-11-28 | 2016-02-17 | 渝北区千里马模具加工厂 | Deburring device for circular truncated cone shaped rubber workpiece |
| CN106671325A (en) * | 2017-01-16 | 2017-05-17 | 淮阴工学院 | Tire surface deburring production line |
| CN107081657A (en) * | 2017-05-31 | 2017-08-22 | 厦门理工学院 | A kind of automatically grinding device of circular disc test specimen |
| CN107972295A (en) * | 2017-12-13 | 2018-05-01 | 盛天誉 | Aligning gear and bearing calibration |
| CN109015854A (en) * | 2018-08-14 | 2018-12-18 | 杭州中为光电技术有限公司 | Trimmer cutter head relocation mechanism |
| CN109015854B (en) * | 2018-08-14 | 2023-09-05 | 杭州中为光电技术有限公司 | Cutter head floating mechanism of edge trimmer |
| CN111055427A (en) * | 2019-12-11 | 2020-04-24 | 张小维 | Rubber shaping deburring device |
| CN112223428A (en) * | 2020-10-31 | 2021-01-15 | 瑞昌市梦凡家具有限公司 | Furniture board's flush head device |
| CN113442353A (en) * | 2021-08-31 | 2021-09-28 | 东营市方兴橡胶有限责任公司 | Tire trimming device for improving trimming effect and trimming method thereof |
| CN113442353B (en) * | 2021-08-31 | 2021-11-09 | 东营市方兴橡胶有限责任公司 | Tire trimming device for improving trimming effect and trimming method thereof |
| CN115256029A (en) * | 2022-08-16 | 2022-11-01 | 中材科技（邯郸）风电叶片有限公司 | Device for processing flash of wind power blade |
| CN115256029B (en) * | 2022-08-16 | 2024-04-30 | 中材科技（邯郸）风电叶片有限公司 | Device for processing flash of wind power blade |
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