CN206287016U - A kind of large diameter circular arc abrasive wheel trimming machine - Google Patents

Abstract

The utility model is related to a kind of large diameter circular arc abrasive wheel trimming machine, including frame, emery wheel rotary drive mechanism and cutter to fix feeding and rotation positioning device；Frame includes lifting structure, front and rear relative position adjustment structure；Emery wheel rotary drive mechanism includes power transmission shaft, motor；Cutter fixes feed mechanism includes knife rest and carriage saddle, micrometer, and the micrometric screw head of micrometer is inserted into carriage saddle rear through hole, and is withstood on knife rest rear end face, and handle of a knife setting-in blind hole is provided with knife rest leading portion；Rotation positioning device includes rotating bar, locating piece, arc, bearing pin, thread plate and rotor plate, rotating bar one end is fixed on carriage saddle tail end, the other end is located between the locating piece of both sides, locating piece is fixed on arc groove set on arc, bearing pin epimere turning set is equipped with rotor plate, arc and thread plate are separately fixed at bearing pin hypomere both sides, and location structure and supporting construction are respectively equipped between rotor plate and thread plate.The utility model is easy to operate, and job stability, reliability are high, product processing quality and efficiency high, particularly disclosure satisfy that the demand of finishing large diameter circular arc emery wheel.

Description

A kind of large diameter circular arc abrasive wheel trimming machine

Technical field

The utility model belongs to machinery manufacturing technology field, more particularly to a kind of large diameter circular arc abrasive wheel trimming machine.

Background technology

In the manufacture of model, mould or roller, the forming surface grinding of deep camber circular arc is frequently encountered.The circular arc for being used After emery wheel uses certain degree, the grinding performance of emery wheel and the precision of shape can be reduced, and influence whether the processing matter of product Amount and efficiency.And conventional arc diamond wheel finishing special purpose machine tool or arc diamond wheel precise dresser, due to by self structure size Limitation, can only typically repair the arc diamond wheel of medium-small diameter, it is impossible to enough finishings for deep camber arc diamond wheel.At present, perhaps Many medium-sized and small enterprises typically carry out hand finish using special instrument in the finishing to deep camber arc diamond wheel to emery wheel, by The uniformity and stability exerted oneself in operator's wrist are difficult control, and not only labour intensity is big, efficiency is low, and the sand being trimmed Wheel surface shape has larger difference with precision, causes the part quality being ground poor, or even scraps, and directly affects and looks forward to The economic benefit and social benefit of industry.

The content of the invention

The technical problems to be solved in the utility model is exactly to overcome above-mentioned the deficiencies in the prior art, and it is strong to provide a kind of work Spend low, the large diameter circular arc abrasive wheel trimming machine of product processing quality and efficiency high.

In order to solve the above technical problems, the technical solution adopted in the utility model is：

Design a kind of large diameter circular arc abrasive wheel trimming machine, including the emery wheel rotation that both sides are oppositely arranged in frame, and frame Turn drive mechanism and cutter fixes feeding and rotation positioning device；

The frame includes fixing feeding and rotation positioning device lift adjustment to emery wheel rotary drive mechanism and cutter Lifting structure, and front and rear relative position adjustment structure between the two；

The emery wheel rotary drive mechanism includes the power transmission shaft being rotatably supported in frame, the driving electricity being connected with power transmission shaft Machine, and located at the emery wheel installation fixed structure of power transmission shaft rear；

The cutter fixes feeding and rotation positioning device includes that the cutter being fixed together up and down fixes feeding machine Structure and rotation positioning device；Wherein cutter fixes feed mechanism includes knife rest and carriage saddle, micrometer, the micrometric screw of micrometer Head is inserted into carriage saddle rear through hole, and is withstood on knife rest rear end face, and handle of a knife setting-in blind hole is provided with knife rest leading portion face；

The rotation positioning device includes rotating bar, locating piece, arc, bearing pin, thread plate and rotor plate, rotating bar one End is fixed on carriage saddle tail end, and the other end is located between the locating piece of both sides, and locating piece passes through bottom thread bar and appended claims It is fixed on arc groove set on arc, bearing pin is vertically connected in frame, bearing pin epimere turning set is equipped with rotor plate, arc Shape plate and thread plate are separately fixed at bearing pin hypomere both sides, and positioning is respectively equipped between thread plate set by rotor plate and parallel beneath Structure and supporting construction.

Preferably, in above-mentioned large diameter circular arc abrasive wheel trimming machine, the frame can turn round empty according to the emery wheel being trimmed Between demand adjusted, including fix feeding and the corresponding left side of rotation positioning device with emery wheel rotary drive mechanism and cutter Right bottom is managed, and pipe upper set being fixed to emery wheel rotary drive mechanism and cutter in bottom feeds and rotation positioning device rising-falling tone The elevating lever and standpipe of the inside and outside shiding matching suit of section, are transversely provided with prolonging for inside and outside shiding matching suit between the pipe of left and right bottom Stock and sleeve pipe；It is respectively equipped between elevating lever and standpipe and between extension rod and sleeve pipe and holds out against fixture.

Preferably, in above-mentioned large diameter circular arc abrasive wheel trimming machine, the power transmission shaft is multi-diameter shaft, emery wheel suit to be trimmed On power transmission shaft rear step, and fixed with tight part；The power transmission shaft is direct-connected with motor by shaft coupling.

Preferably, in above-mentioned large diameter circular arc abrasive wheel trimming machine, the power transmission shaft is by connecting plate and corresponding lifting Mechanism is connected, and power transmission shaft is rotatably supported on connecting plate by bearing and bearing block；Motor seat is above and on bearing block It is fixed together by fastener in round tube hole and round tube hole long set on connecting plate.

Preferably, in above-mentioned large diameter circular arc abrasive wheel trimming machine, the knife rest rear is inlaid in the blind of carriage saddle front portion In hole, while between be embedded in cutter and knife rest, between knife rest and carriage saddle, between the micrometric screw of micrometer and carriage saddle It is respectively equipped with and holds out against fixture.

Preferably, in above-mentioned large diameter circular arc abrasive wheel trimming machine, the rotating bar is L-shaped bar, and rotating bar lower end is provided with Pointer, accordingly, arcuately the arc groove of plate is provided with angle of revolution graduation mark；The rotor plate and carriage saddle phase set by top Even；Rotor plate is rotatably supported on bearing pin by bearing and bearing cap；Thread plate passes through bearing pin hypomere and corresponding elevating mechanism It is connected.

Preferably, in above-mentioned large diameter circular arc abrasive wheel trimming machine, the location structure is Positioning screw and adjusting nut； The supporting construction is supporting screw and adjusting nut.

Preferably, in above-mentioned large diameter circular arc abrasive wheel trimming machine, the fixture that holds out against is for holding screw.

Preferably, it is set between the knife rest and carriage saddle to hold out against admittedly in above-mentioned large diameter circular arc abrasive wheel trimming machine Part is determined for handle shape structure.

Preferably, in above-mentioned large diameter circular arc abrasive wheel trimming machine, the fastener is nut.

The beneficial effect of technical solutions of the utility model is：

Between the shank of the utility model dressing tool and knife rest being connected by setting-in be threadedly coupled, install, dismantle or Change dressing tool convenient；The rotor plate one end for supporting carriage saddle is mounted on bearings, and by pin bearing, the other end is by supporting spiral shell Nail supporting, the intensity being supported by is high, ensure that the blade continuous stability of the contact with being trimmed between emery wheel of dressing tool With active force uniformity consistency, the emery wheel radial error being trimmed is big and form error is small；The amount of feeding for being trimmed emery wheel is used Micrometer is controlled, and feed accuracy is high, the feeding or fixation of dressing tool, and only need to rotate handle shape holds out against fixture, fixed Or unclamp knife rest；The rotation of rotation positioning device or stationary state are adjustable, need to only unscrew on location structure during regulation Fastener, makes the upper surface of location structure be in close contact or depart from the lower surface of rotor plate, then again tightens i.e. fastener The stability of adjustment state can be ensured；Locating piece is installed on arc, when adjusting the anglec of rotation of dressing tool, need to only be unscrewed Fastener on connection locating piece, slides in the deep-slotted chip breaker that locating piece just can be on arc, and the regulation of the anglec of rotation has welding Pointer on swingle is indicated, and after the anglec of rotation of dressing tool is regulated, only need to again tighten the fastening on connection locating piece Part, just can ensure that the anglec of rotation of regulation does not change；The lower end of swingle be located at two locating pieces between, the anglec of rotation it is big Small control only relies on the touching between swingle lower end and locating piece to ensure；Using welding and fastener spiral shell between machine frame inside The form connection that line connection is combined, the height of frame and left and right relative position are adjustable.

To sum up, the utility model is easy to operate, and job stability, reliability are high, the emery wheel high precision of finishing, operator's Labour intensity is low, efficiency high, can both use diamond pen turning dressing method, and diamond roller trimming method, wheel grinding can be used again Dressing method and rolling dressing method repair the arc diamond wheel of major diameter, have a wide range of application, and are suitable to promotion and implementation.

Brief description of the drawings

Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：

Fig. 1 is the structural representation of the utility model large diameter circular arc abrasive wheel trimming machine；

Fig. 2 is the structural representation of emery wheel rotary drive mechanism of the present utility model；

Fig. 3 is one of schematic diagram of front and rear relative position adjustment structure of the present utility model；

Sequence number in figure：1st, left bottom pipe, 2, left standpipe, 3, holding screw, 4, left elevating lever, 5, nut, 6, bolt, 7, connection Plate, 8, bearing block, 9, holding screw, 10, knife rest, 11, handle, 12, carriage saddle, 13, holding screw, 14, rotating bar, 15, thousand Point chi, 16, bearing pin, 17, screw, 18, bearing cap, 19, bearing, 20, pointer, 21, locating piece, 22, nut, 23, arc, 24th, holding screw, 25, standpipe, 26, right bottom pipe, 27, nut, 28, Positioning screw, 29, sleeve pipe, 30, nut, 31, supporting spiral shell Nail, 32, right standpipe, 33, short steel pipes, 34, rotor plate, 35, thread plate, 36, elevating lever, 37, holding screw, 38, holding screw, 39th, extension rod, 40, bolt, 41, nut, 42, motor, 43, shaft coupling, 44, bearing cap, 45, bearing, 46, power transmission shaft, 47, Nut, 48, screw, 49, rectangular through slot hole, 50, rectangle seat board, 51, bolt, 52, nut.

Specific embodiment

Illustrate specific embodiment of the present utility model with reference to the accompanying drawings and examples, but following examples are use To describe the utility model in detail, scope of the present utility model is limited never in any form, it is involved in the examples below Instrument element unless otherwise instructed, be conventional instrument element.

Embodiment one：

Referring to Fig. 1-2, in figure, the utility model large diameter circular arc abrasive wheel trimming machine, including frame, emery wheel rotary driving machine Structure, cutter fixes feed mechanism and rotation positioning device；Its medium plain emery wheel rotary drive mechanism, cutter fixes feed mechanism and rotation Detent mechanism is oppositely arranged on both sides in frame, and rotation positioning device and emery wheel rotary drive mechanism pass through bolt and nut and machine Frame is connected, and is welded and fixed between fixed feed mechanism and rotation positioning device.

Specifically, as shown in figure 1, frame by left elevating lever 4, right elevating lever 36, left standpipe 2, right standpipe 32, left bottom pipe 1, Right bottom pipe 26, extension rod 39, sleeve pipe 29, standpipe 25, connecting plate 7 and holding screw 3,38,37,24 are constituted.All rod tubes have The rectangle and cylinder type hollow steel pipe of different size are made, on its neutral tube 25, left standpipe 2, right standpipe 32 and the side of sleeve pipe 29 It is each to be machined with a tapped through hole；Connecting plate 7 is rectangular panel blocks, 4 oblate through holes long is machined with above it, wherein 2 Round tube hole is corresponding with 2 round tube holes on motor base (frame), and 2 round tube holes are relative with 2 round tube holes on bearing block 8 in addition Should.The upper end of left elevating lever 4 welds together with connecting plate 7, and its lower end may be inserted into the endoporus of left standpipe 2, use clamp screw Can be fixed together for both with the tapped through hole formation threaded connection on the side of left standpipe 2 by nail 3；The upper end of right elevating lever 36 with Thread plate 35 welds together, and its lower end may be inserted into the endoporus of left standpipe 32, with holding screw 37 and the side of left standpipe 32 On tapped through hole formed threaded connection both can be fixed together；Left standpipe 2 is vertically welded on left bottom pipe 1, and the right side is vertical Pipe 32 is vertically welded on sleeve pipe 29, and standpipe 25 is vertically welded on right bottom pipe 26, left standpipe 2, right standpipe 32, standpipe 25 Welding position should be able to meet that cutter fixed between feeding structure and emery wheel rotary drive mechanism to knife demand；Extension rod 39 Left end be welded at the front and rear centering of left bottom pipe 1, both weld after into 90 degree of angles；The right-hand member of sleeve pipe 29 is welded on right bottom pipe At 26 front and rear centering, into 90 degree of angles after both welding；The right-hand member of extension rod 39 may be inserted into the endoporus of the left end of sleeve pipe 29, Forming threaded connection with the tapped through hole of the upper side of sleeve pipe 29 with holding screw 38 can be fixed together both.Frame can be by knife The fixed feed mechanism of tool, the supporting of emery wheel rotary drive mechanism and rotation positioning device stabilization are got up.

As shown in Figure 1 and Figure 2, emery wheel rotary drive mechanism is by motor 42, shaft coupling 43, power transmission shaft 46, bearing 45, axle Bearing 8, bearing cap 44 and threaded connector composition.Power transmission shaft 46 is the multi-diameter shaft processed by cylinder, wherein it External screw thread is machined with the shaft part of one end；The integrated bearing block that bearing block 8 is made up of bearing seat and base, in bearing seat Between be machined with bearing saddle bore, bearing seat two sides are machined with 3 screwed holes in 120o distributions, symmetrical two ends on base respectively It is machined with 2 round tube holes；Bearing cap 44 is discoid（2）, its centre is machined with a round tube hole, and three are machined with thereon is in The round tube hole of 120o distributions, bearing cap 44 one side corresponding with 3 on the bearing seat two sides screwed holes in 120o distributions Round ring boss is machined with face, it is corresponding with the selected cycle surface of bearing 45.One end of shaft coupling 43 and motor 42 Axle connection, the other end is connected with power transmission shaft 46；The inner ring mating connection of power transmission shaft 46 and bearing 45, bearing block 8 and bearing 45 Outer ring be connected, bearing cap 44（2）By screw 48（6）It is connected with bearing block 8；The nut 47 of fixed emery wheel and biography External screw thread connection on the shaft part of moving axis 46；Emery wheel rotary drive mechanism passes through bolt 40（2）, nut 41（2）, bolt 6（2 It is individual）, nut 5（2）It is connected with the connecting plate 7 being welded in frame.

As shown in figure 1, cutter fixes feeding structure by knife rest 10, carriage saddle 12, micrometer 15, handle 11, short steel pipes 33 With holding screw 9（2）Constituted with holding screw 13.Carriage saddle 12 is processed by rectangular block, and its left section is machined with one Rectangle blind hole, the top of correspondence rectangle blind hole is machined with a tapped through hole, and its right section is machined with a round tube hole, correspondence circle The radial direction of through hole is machined with a tapped through hole；Knife rest 10 is made up of rectangular block, and its left section is machined with a handle of a knife shape blind hole, The top of correspondence handle of a knife shape blind hole is machined with 2 tapped through holes；Handle 11 has round steel bending to form, and its one end is welded with ball Head, the other end is machined with external screw thread.Knife rest 10 is inserted into the rectangle blind hole of carriage saddle 12, with external screw thread and spiral shell on handle 11 Line through hole is connected；After a framework part for micrometer 15 is cut away, its remainder is processed into cylinder, is inserted into knife In the round tube hole that right section of stand 12, its micrometric screw is withstood on the right side of knife rest 10, is fixed with holding screw 13；Short steel Pipe 33 is welded on the bottom of carriage saddle 12, and fixed feeding structure is welded together by short steel pipes 33 and rotation positioning device.

As shown in figure 1, rotation positioning device is by rotating bar 14, pointer 20, locating piece 21（2 pieces）, arc 23, bearing pin 16th, thread plate 35, bearing 19, bearing cap 18（2）, rotor plate 34 and screw 17（6）, nut 22（2）, Positioning screw 28th, nut 27, supporting screw 31, nut 30 are constituted.Rotating bar 14 is formed by round bar bending, and bearing pin 16 is by cylinder processing Into disjunctor multi-diameter shaft, locating piece 21 is welded by rectangular block and threaded rod, and arc groove, thread plate are machined with arc 23 It is machined with 2 screwed holes, rotor plate 34 on 35 to be connected by bearing block orifice plate and arc plate, the two sides point of bearing block orifice plate 3 screwed holes in 120o distributions are not machined with, and bearing cap 18 is discoid, and its centre is machined with a round tube hole, is added thereon Work has three round tube holes in 120o distributions, corresponding with 3 on the two sides of rotor plate 34 screwed holes in 120o distributions, bearing Lid 18 1 is machined with round ring boss on side end face, corresponding with the selected inner ring end face of bearing 19, the spiral shell of Positioning screw 28 Rasp bar end is concordant head, and the screw thread boom end of supporting screw 31 is bulb.The one end of rotating bar 14 is welded on carriage saddle 12, separately One end is located between two locating pieces 21, and pointer 20 is welded on the lower end of rotating bar 14；The threaded rod insertion arc of locating piece 21 Formed with nut 22 after in 23 arc groove and be threadedly coupled；Arc 23 is welded on bearing pin 16；The lower end insertion of bearing pin 16 is vertical In the interior cylindrical hole of pipe 25, it is connected by holding screw 24；Bearing pin 16 is connected with the inner ring of bearing 19, on rotor plate 34 Bearing saddle bore is connected with the outer ring of bearing 19, bearing cap 18（2）By screw 17（6）It is connected with rotor plate 34；Turn Dynamic plate 34 welds together with the short steel pipes 33 in fixed feeding structure；The one end of thread plate 35 is welded on bearing pin 16, the other end It is welded on elevating lever 36, Positioning screw 28 is screwed on and be connected with the right-hand thread hole on thread plate 35 after nut 27, supporting screw 31 Screw on and be connected with the left-hand thread hole on thread plate 35 after nut 30.Rotation positioning device passes through thread plate 35 and bearing pin 16 and frame Connection.

The utility model is substantially as follows using the method for adjustment of process：

The shank of dressing tool is inserted in the hole of knife rest 10, with holding screw 9（2）Fixed.When being trimmed sand When the diameter dimension of wheel is larger, its rotary space is more than fixed feed mechanism, emery wheel rotary drive mechanism and rotational positioning at present During the connection space of mechanism and frame, unscrew respectively holding screw 3 on left standpipe 2, right standpipe 32 and the side of standpipe 25,37, 24, the relatively left standpipe 2 of left elevating lever 4, right elevating lever 36 and bearing pin 16, right standpipe 32 and standpipe 25 are drawn upwardly out respectively, with Increase the space up and down of the present apparatus, realize fixed feed mechanism and emery wheel rotary drive mechanism up and down to knife；Unscrew sleeve pipe again Holding screw 38 on 29 sides, makes the facing sleeve 29 of extension rod 39 extract out to the left, to increase the left and right space of the present apparatus, realizes The left and right of fixed feed mechanism and emery wheel rotary drive mechanism is to knife.After adjusting, respective holding screw is tightened and is consolidated It is fixed.The emery wheel that will be trimmed is arranged on power transmission shaft 46, is fixed with nut 47.According to the thickness for being trimmed emery wheel, difference Unscrew the bolt 40 of fixed motor 42 and bearing block 8（2）、5（2）On nut 41（2）、6（2）, then emery wheel rotation Turn drive mechanism together with bolt 40（2）、5（2）Can integrally be moved forward and backward along the oblate through hole of length on connecting plate 7, realized solid Determine before and after feed mechanism and emery wheel rotary drive mechanism to knife.

Specifically used process, when using diamond pen turning finishing emery wheel, should unscrew the nut 27 in Positioning screw 28, make The upper surface of Positioning screw 28 departs from the lower surface of rotor plate 34, unscrews the nut 30 on supporting screw 31, makes supporting screw 31 Point is in the lower surface of rotor plate 34 to contact or discontiguous critical condition, while on the bulb of supporting screw 31 and rotating Lubricating grease is smeared on plate 34 so that the bulb of supporting screw 31 can make circular motion in the lower surface of rotor plate 34, it is solid reducing There can be certain supporting role to fixed feed mechanism while determining the rotary resistance of feed mechanism, prevent from fixing feed mechanism and exist Vibrations are produced during finishing emery wheel.According to the size of angle of revolution, unscrew connection locating piece 21（2 pieces）On nut 22（2 It is individual）, two locating pieces 21 slidably, according to the indicating graduation of pointer 20, adjust two locating pieces 21 in the arc groove of arc 23 Position on arc 23, is then again fixed the nut screwing clamping on two locating pieces 21；According to the work for being trimmed emery wheel Skill code, regulation determines the relative position relationship and the amount of feeding for being trimmed emery wheel of diamond pen, is adjusted with special parallels and determines gold Firm pen is trimmed the position relationship of emery wheel relatively, after adjusting, with holding screw 9（2）Fixed；With rotate handle 11, Loosen the fixation of cutter setting frame 10, rotate the knob on micrometer 15, the micrometric screw on micrometer 15 pushes knife rest 10 together with gold Firm pen makees feed motion to adjust the amount of feeding for determining that diamond pen is trimmed emery wheel relatively, after adjusting, fixed handle is inverted with hand 11, realize fixation of the cutter setting frame 10 together with diamond pen.Start motor 42, drive emery wheel to rotate, driven by rotating bar 14 solid Determine feed mechanism rotation, rotating bar 14 is turned round when the lower end of rotating bar 14 is collided with certain a positioning block 21, when rotating bar 14 Rotating bar 14 is turned round when lower end is collided with another locating piece, and so on, diamond pen turning grinding wheels are done step-by-step and emery wheel is repaiied It is whole.

When using diamond roller trimming method, wheel grinding dressing method and rolling dressing method finishing emery wheel, unscrew positioning Nut 27 on screw 28, makes the upper surface of Positioning screw 28 hold out against the lower surface of rotor plate 34, by the upper of Positioning screw 28 The frictional force produced between the lower surface of end face and rotor plate 34 fixes rotation positioning device.According to the work for being trimmed emery wheel Skill code, regulation determines that diamond roller, abrasive grinding wheel and hard alloy disk are relative and is trimmed the position relationship of emery wheel and enters To amount（Adjusting method is ibid）, start motor 42, drive emery wheel to rotate, diamond roller, abrasive grinding wheel and hard alloy circle Disk produces grinding and spreading to the wheel face of high speed rotation, to mill, to rolling and squeezing action, is done step-by-step and emery wheel is repaiied It is whole.

Embodiment two：

Referring to Fig. 3, in figure, the present embodiment is similar to the structure of embodiment one, numbering identical, its identical portions that represent meaning in figure Divide and no longer repeat herein, its difference is：The present embodiment emery wheel rotary drive mechanism and cutter fix feeding and rotational positioning machine Front and rear relative position adjustment structure between structure can also be as follows：

The oblate through hole of length on connecting plate 7 in emery wheel rotary drive mechanism can be changed to round tube hole, and in left bottom pipe 1 Upper side before and after one rectangular through slot hole 49 of processing, a rectangle seat board 50 is welded in the lower end of left standpipe 2, and in rectangle seat Plate rear and front end respectively processes a round tube hole, and rectangular through slot hole width size is more than with two heads, and bar portion is less than rectangular through slot The bolt 51 of hole width size, head down, before and after the upper side that bar portion penetrates into left bottom pipe 1 from one end of left bottom pipe 2 upward In the rectangular through slot hole of processing, bolt just can be moved forward and backward without deviating from rectangular through slot hole, by bolt in rectangular through slot hole The bar portion lower end welding that penetrates into left standpipe 2 rectangle seat board 50 in two round tube holes, can be by left bottom pipe 1 with two nuts 52 It is fixed together together with emery wheel rotary drive mechanism with left standpipe 2.Unscrew the nut on two bolts, may be such that left standpipe 2 together with The relatively left bottom pipe 1 of emery wheel rotary drive mechanism is moved forward and backward, before can also realizing fixing feed mechanism and emery wheel rotary drive mechanism Afterwards to knife.

Additionally, the instrument delthyrium installed on the knife rest 10 of dressing tool can be processed into and dressing tool handle shapes phase respectively Same delthyrium, can directly be installed or replaced dressing tool, without being adjusted with parallels, although increased knife rest 10 Quantity, but save substantial amounts of to knife adjustment time.

The utility model is described in detail above in conjunction with drawings and Examples, but, the skill of art Art personnel, can also be to the part-structure in above-described embodiment it is understood that on the premise of the utility model objective is not departed from Or design parameter is changed, multiple specific embodiments are formed, be common excursion of the present utility model, herein no longer Describe in detail one by one.

Claims (10)

1. a kind of large diameter circular arc abrasive wheel trimming machine, it is characterized in that：Including the emery wheel that both sides in frame, and frame are oppositely arranged Rotary drive mechanism and cutter fix feeding and rotation positioning device；

The frame includes being fixed to emery wheel rotary drive mechanism and cutter the liter of feeding and rotation positioning device lift adjustment Drop structure, and front and rear relative position adjustment structure between the two；

The emery wheel rotary drive mechanism includes being rotatably supported in power transmission shaft in frame, the motor being connected with power transmission shaft, And located at the installation fixed structure for being trimmed emery wheel of power transmission shaft rear；

The cutter fixes feeding and rotation positioning device include the cutter being fixed together up and down fix feed mechanism and Rotation positioning device；Wherein cutter fixes feed mechanism includes knife rest and carriage saddle, micrometer, the micrometric screw head of micrometer It is inserted into carriage saddle rear through hole, and withstands on knife rest rear end face, handle of a knife setting-in blind hole is provided with knife rest leading portion；

The rotation positioning device includes rotating bar, locating piece, arc, bearing pin, thread plate and rotor plate, and rotating bar one end is consolidated Carriage saddle tail end is scheduled on, the other end is located between the locating piece of both sides, and locating piece is fixed by bottom thread bar and appended claims On the arc on set arc groove, bearing pin is vertically connected in frame, and bearing pin epimere turning set is equipped with rotor plate, arc Bearing pin hypomere both sides are separately fixed at thread plate, location structure is respectively equipped between thread plate set by rotor plate and parallel beneath And supporting construction.

2. large diameter circular arc abrasive wheel trimming machine according to claim 1, it is characterized in that：The frame includes being rotated with emery wheel Drive mechanism and cutter fix feeding and the corresponding left and right bottom pipe of rotation positioning device, and bottom pipe is upper set to emery wheel Rotary drive mechanism and cutter fix the inside and outside shiding matching suit of feeding and rotation positioning device lift adjustment elevating lever and Standpipe, is transversely provided with the extension rod and sleeve pipe of inside and outside shiding matching suit between the pipe of left and right bottom；Between elevating lever and standpipe And be respectively equipped between extension rod and sleeve pipe and hold out against fixture.

3. large diameter circular arc abrasive wheel trimming machine according to claim 1, it is characterized in that：The power transmission shaft is multi-diameter shaft, quilt Finishing emery wheel is sleeved on power transmission shaft rear step, and is fixed with fastener；The power transmission shaft passes through shaft coupling and motor It is direct-connected.

4. large diameter circular arc abrasive wheel trimming machine according to claim 1, it is characterized in that：The power transmission shaft by connecting plate with Corresponding elevating mechanism is connected, and power transmission shaft is rotatably supported on connecting plate by bearing and bearing block；Motor seat it is upper and It is fixed together by fastener in round tube hole on bearing block and round tube hole long set on connecting plate.

5. large diameter circular arc abrasive wheel trimming machine according to claim 1, it is characterized in that：The knife rest rear is inlaid in knife rest Seat leading portion blind hole in, while between be embedded in cutter and knife rest, between knife rest and carriage saddle, the micrometric screw of micrometer and It is respectively equipped between carriage saddle and holds out against fixture.

6. large diameter circular arc abrasive wheel trimming machine according to claim 1, it is characterized in that：The rotating bar is L-shaped bar, is rotated Bar lower end is provided with pointer, and arcuately the arc groove of plate is provided with angle of revolution graduation mark accordingly；Set by the rotor plate and top Carriage saddle is connected；Rotor plate is rotatably supported on bearing pin by bearing and bearing cap；Thread plate by bearing pin hypomere with it is corresponding Elevating mechanism is connected.

7. large diameter circular arc abrasive wheel trimming machine according to claim 1, it is characterized in that：The location structure is Positioning screw And adjusting nut；The supporting construction is supporting screw and adjusting nut.

8. the large diameter circular arc abrasive wheel trimming machine according to claim 2 or 5, it is characterized in that：The fixture that holds out against is tight Determine screw.

9. large diameter circular arc abrasive wheel trimming machine according to claim 5, it is characterized in that：Institute between the knife rest and carriage saddle If hold out against fixture for handle shape structure.

10. large diameter circular arc abrasive wheel trimming machine according to claim 3, it is characterized in that：The fastener is nut.