JP2011016180A - Machining device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a machining device for accurately, efficiently and inexpensively executing deburring work for the discontinuous and annular grooves of a work having the discontinuous and annular grooves in the inner peripheral face without executing troublesome coordinate inputting work and a complicated control program.SOLUTION: The machining device includes a machining tool adapted to be pushed against the work which has the peripherally discontinuous grooves and is rotated, in a forward/backward movable manner for applying finishing work such as deburring work for the grooves of the work, copying members arranged on both sides across the machining tool, and adapted to be pushed against the work in a forward/backward movable manner together with the machining tool for copying the inner diameter shapes of the grooves of the work to control the machining amount of the machining tool to be constant, a pushing means for pushing the machining tool and the copying member against the work in a forward/backward movable manner, and an elastically supporting means for elastically supporting the machining tool and the copying member at variable heights when operating on the grooves in the axial direction.

Description

  The present invention is manufactured by a method such as cutting with a machine tool, die casting, injection molding, press punching, lost wax casting, die forging, powder metallurgy, etc., for example, a multi-plate clutch drum or a planetary gear mechanism ring gear. For example, the present invention relates to a processing apparatus that performs, for example, deburring of the groove part on an industrial part (hereinafter referred to as a workpiece) in which an intermittent groove part is formed on the inner peripheral surface.

  Intermittent annular grooves are formed on the inner peripheral surface of workpieces manufactured by methods such as cutting with machine tools, die casting, injection molding, press punching, lost wax casting, die forging, and powder metallurgy. There is something. In some cases, an extra portion called “burr” remains in the intermittent annular groove. Specifically, burrs remain at the edge portions of the grooves provided intermittently. In such a case, after the workpiece is manufactured, for example, the deburring process is performed using a flexible tool such as a wheel brush or a wire wheel to finish the product. For example, the groove part is deburred by attaching the wheel brush, the wire wheel or the like to the processing head part of a processing apparatus as shown in Patent Document 1 below.

Japanese Patent Laid-Open No. 11-165242

The conventional configuration has the following problems. That is, the processing apparatus disclosed in Patent Document 1 is an apparatus developed for deburring or chamfering according to the contour shape of the workpiece generated at the outer peripheral edge of the workpiece. Therefore, it cannot always be said that it has a sufficient function for deburring the intermittent annular groove formed on the inner peripheral surface of the workpiece.
Further, even if a deburring process is performed by attaching a wheel brush, a wire wheel or the like to such a processing apparatus, there is a problem that the finished state may vary or the processing accuracy may be reduced.

  The present invention has been made based on such points, and the object thereof is to form intermittent annular grooves on the inner peripheral surface such as a drum of a multi-plate clutch and a ring gear of a planetary gear mechanism. Machining that can perform the above-mentioned intermittent annular groove deburring processing accurately and efficiently at low cost without executing complicated coordinate input work and complicated control programs. To provide an apparatus.

In order to achieve the above object, a machining apparatus according to claim 1 of the present invention comprises a groove portion intermittently provided in the circumferential direction, and is pressed against a rotating workpiece so as to be able to advance and retreat, and deburring the groove portion of the workpiece. A machining tool that performs finishing such as machining, and the machining tool that is disposed on both sides of the machining tool and is pressed against the workpiece together with the machining tool so as to follow the inner diameter shape of the groove of the workpiece. A copying member that regulates the machining amount to a fixed amount, a pressing means that presses the machining tool and the copying member against the workpiece, and an axial working height of the machining tool and the copying member with respect to the groove. And elastic support means for elastically supporting in a variable state.
According to a second aspect of the present invention, there is provided a machining apparatus according to the first aspect, wherein the copying member is provided one at each symmetrical position on both sides of the machining tool.
According to a third aspect of the present invention, there is provided a processing apparatus according to the first or second aspect, wherein at least one of the two copying members is necessarily provided in a groove portion intermittently provided in the circumferential direction. The positions of the two copying members are set so as to be positioned in the groove portion.
According to a fourth aspect of the present invention, in the processing apparatus according to the third aspect, at least one of the two copying members is necessarily the groove with respect to the groove provided intermittently in the circumferential direction. Thus, the positions of the two copying members are set so as to be located away from the burr.
According to a fifth aspect of the present invention, there is provided a machining apparatus according to any one of the first to fourth aspects, wherein the thickness of the machining action portion of the machining tool and the thickness of the tracing action portion of the copying member are the workpieces. Axial working height switching means for switching the axial working height of the machining tool and the copying member with respect to the groove in the range of the axial height of the groove is set smaller than the axial height of the groove. It is characterized by being provided.
The processing device according to claim 6 is the processing device according to any one of claims 1 to 4, wherein the thickness of the processing action portion of the processing tool is equal to the axial height of the groove portion of the workpiece, or It is set smaller than the machining allowance, the thickness of the tip portion of the copying member of the copying member is smaller than the axial height of the groove portion, and the thickness of the base end portion is the axial direction of the groove portion. It is characterized by being formed in a tapered shape so as to be larger than the height.

Therefore, according to the processing apparatus according to the present invention, a groove portion provided intermittently in the circumferential direction is pressed against a rotating workpiece so as to freely advance and retreat, and finish processing such as deburring is performed on the groove portion of the workpiece. A processing tool is disposed on both sides of the processing tool, and is pressed against the workpiece together with the processing tool so as to follow the inner diameter shape of the groove portion of the workpiece, thereby restricting the processing amount by the processing tool to a constant amount. An elastic support in a state in which the working height of the machining tool and the copying member with respect to the groove can be varied. The elastic support means is configured so that it is difficult to deburr the groove formed on the inner peripheral surface of the work that is difficult to position and difficult to adjust. It can be executed accurately, efficiently and at low cost without executing a mark input operation or a complicated control program.
According to a second aspect of the present invention, there is provided the machining apparatus according to the first aspect, wherein one of the copying members is provided at each symmetrical position across the machining tool, so that the machining tool is interposed via the copying member. Since the force transmitted to is parallel to the advancing / retreating direction of the machining tool, the amount of movement of the machining tool becomes accurate, and the machining accuracy of the machining tool can be improved. Further, since the force applied to each copying member is halved, the durability of the copying member can be improved.
According to a third aspect of the present invention, there is provided a processing apparatus according to the first or second aspect, wherein at least one of the two copying members is necessarily provided in a groove portion intermittently provided in the circumferential direction. Since the position of the two copying members is set so as to be positioned in the groove portion, the copying member can be prevented from falling off the groove portion, and the deburring process is performed also on the groove portion having the gap portion or the concave portion. It becomes possible.
According to a fourth aspect of the present invention, in the processing apparatus according to the third aspect, at least one of the two copying members is necessarily the groove with respect to the groove provided intermittently in the circumferential direction. Since the position of the two copying members is set so as to be located away from the burr, the copying member is placed on the burr and pushed back by that amount, and the amount of machining by the machining tool fluctuates unnecessarily. Can be prevented.
According to a fifth aspect of the present invention, there is provided a machining apparatus according to any one of the first to fourth aspects, wherein the thickness of the machining action portion of the machining tool and the thickness of the tracing action portion of the copying member are the workpieces. The axial action height switching means for switching the axial action height of the machining tool and the copying member with respect to the groove part within the range of the axial height of the groove part is set to be smaller than the axial height of the groove part. Since it is provided, it is possible to perform deburring and the like of the groove portion of the workpiece over the entire height range of the groove portion by switching the axial action height of the machining tool and the copying member with respect to the groove portion. Become. Moreover, it becomes possible to cope with various groove portions having different heights in the axial direction, and versatility is improved.
The processing device according to claim 6 is the processing device according to any one of claims 1 to 4, wherein the thickness of the processing action portion of the processing tool is equal to the axial height of the groove portion of the workpiece, or It is set to be smaller by the machining allowance, the thickness of the tip portion of the copying portion of the copying member is smaller than the axial height of the groove portion, and the thickness of the base end portion is the axial direction of the groove portion Since it is formed in a tapered shape so as to be larger than the height, the working height of the machining tool and the copying member with respect to the groove is guided to the taper shape of the copying member of the copying member at the center of the groove. Since the alignment is performed, the processing over the entire width of the groove can be performed at a time in a single step.

It is a figure which shows the 1st Embodiment of this invention and is a right view which shows the whole structure of a processing apparatus. It is a figure which shows the 1st Embodiment of this invention and is a front view which shows the whole structure of a processing apparatus. It is a figure which shows the 1st Embodiment of this invention and is a right view which shows the main structural members of the processing apparatus provided on a base. It is a figure which shows the 1st Embodiment of this invention and is a front view which shows the main structural members of the processing apparatus provided on a base. It is a figure which shows the 1st Embodiment of this invention and is a top view which shows the main structural members of the processing apparatus provided on a base. It is a figure which shows the 1st Embodiment of this invention and is a right view which expands and shows the periphery of a processing head. It is a figure which shows the 1st Embodiment of this invention and is a front view which expands and shows the periphery of a processing head. It is a figure which shows the 1st Embodiment of this invention and is a front view which expands and shows the periphery of a processing head. It is a figure which shows the 1st Embodiment of this invention and is a top view which expands and shows a process head periphery. It is a figure which shows the 1st Embodiment of this invention, and is an arrow line view in the XX line in FIG. It is a figure which shows the 1st Embodiment of this invention, The side sectional view (a) which shows the position of the processing tool at the time of the lower side process of a groove part, and the side sectional view (b) which shows the position of a copying member. It is a figure which shows the 1st Embodiment of this invention, The side sectional view (a) which shows the position of the processing tool at the time of the upper side process of a groove part, and the side sectional view (b) which shows the position of a copying member. It is a figure which shows the 2nd Embodiment of this invention, and is a right view which expands and shows the periphery of a process head. It is a figure which shows the 2nd Embodiment of this invention, and is a rear view which expands and shows the periphery of a processing head. It is a figure which shows the 2nd Embodiment of this invention, and is a front view which expands and shows a process head periphery. It is a figure which shows the 2nd Embodiment of this invention, and is a top view which expands and shows a process head periphery. It is a figure which shows the 2nd Embodiment of this invention, and is an arrow line view in the XVII-XVII line in FIG. It is a figure which shows the 2nd Embodiment of this invention, and is the side sectional view (a) which shows the position of the processing tool at the time of processing of a groove part, and the side sectional view (b) which shows the position of a copying member. It is a figure which shows an example of the process target of this invention, and is a top view which shows the drum of a multi-plate clutch. It is a figure which shows an example of the process target of this invention, and is a sectional side view which shows the drum of a multi-plate clutch. It is a figure which shows an example of the process target of this invention, and is a perspective view which expands and shows a part of drum of a multi-plate clutch. It is a figure which shows another example of the process target of this invention, and is sectional drawing which shows the ring gear of a planetary gear mechanism. It is a figure which shows another example of the process target of this invention, and is a perspective view which expands and shows a part of ring gear of a planetary gear mechanism.

(1) First Embodiment Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. 1 to 12 and FIGS. 19 to 23. The processing apparatus 1 according to the first embodiment includes a work W manufactured by a method such as cutting by a machine tool, die casting, injection molding, press punching, lost wax casting, die forging, powder metallurgy, etc. Used for deburring the annular groove 5 formed intermittently on the inner peripheral surface 3 of the drum W1 of the multi-plate clutch shown in FIGS. 19 to 21 and the ring gear W2 of the planetary gear mechanism shown in FIGS. Is.

In the case of the multi-plate clutch drum W1 shown in FIGS. 19 to 21, the groove 5 is intermittently formed in a substantially annular shape on the inner peripheral surface. A deeper axial groove is formed between the groove portions 5 and 5 with respect to the groove portion 5. In such a case, the burr | flash after a process has generate | occur | produced in the edge part of the circumferential direction end of each groove part 5. FIG.
In the case of the ring gear W2 of the planetary gear mechanism shown in FIGS. 22 and 23, the groove portion 5 is intermittently formed in a substantially annular shape on the inner peripheral surface. A gap 111 is formed between the grooves 5 and 5. Even in such a case, burrs after processing are generated at the edges of the circumferential ends of the grooves 5.

  A rectangular base 7 is provided at the lower part of the processing apparatus 1. The base 7 is configured as an example by assembling a metal frame material such as a square pipe into a rectangular frame shape, and pasting panel materials on the front, rear, and left and right sides. Each corner portion on the lower surface of the base 7 is provided with casters 9 used when moving the processing device 1 and legs 11 capable of adjusting the height used when installing the processing device 1. ing.

  Above the base 7, a rectangular box-shaped processing box 13 that is slightly larger than the base 7 is provided. The processing box 13 is a cover member for covering a later-described processing head 15 and moving means 17 provided on the base 7. Like the base 7, a metal frame material such as a square pipe is formed in a rectangular frame shape. The panel material is attached to the rear surface, the left and right side surfaces, and the upper surface, and an openable door 19 is attached to the front surface.

  The base 7 is provided with a work holding / rotating means 21 for holding and rotating the work W. The workpiece holding / rotating means 21 includes a workpiece chuck 23 that holds the workpiece W in a state of protruding on the base 7, and a workpiece rotation drive that rotates the workpiece W held by the workpiece chuck 23 inside the base 7. It is comprised by providing the means 25. FIG.

  On the base 7, moving means 17 is provided for reciprocally moving the machining head 15 in the direction toward and away from the work W held by the work holding / rotating means 21. The moving means 17 in FIG. 1 and FIG. 3 is a horizontal moving means 27 that moves in the left-right direction (the direction indicated by the arrow Y in the figure), and a vertical movement that moves in the vertical direction (the direction indicated by the arrow Z in the figure). And moving means 29.

  The horizontal moving means 27 includes four vertical guides 31, 33, a total of four vertical bases 31 that are raised up on the base 7 in a screen-like manner, and two on the front surface of the vertical base 31. 33, 33, a horizontal drive cylinder 35 provided in the middle of the upper and lower linear guides 33, 33, 33, 33, and a horizontal slide base 37 connected to the tip of the cylinder rod of the horizontal drive cylinder 35 The upper and lower horizontal guide rails 39, 39 provided on the back side of the horizontal slide base 37 and engaged with the linear guides 33, 33, 33, 33 are configured as an example. ing. Then, by driving the horizontal drive cylinder 35, the horizontal slide base 37 is moved in the horizontal horizontal direction Y in FIGS.

  The vertical movement means 29 includes two support bases 41 and 41 provided so as to project forward from the front surface of the horizontal slide base 37, and two provided on the front surfaces of these support bases 41 and 41. Vertical guide rails 43, 43, and four linear guides 45, 45, 45, 45, which are engaged with these vertical guide rails 43, 43, two on each of the left and right sides, and these linear guides 45, 45, 45, 45 are attached to the back surface, and a vertical slide base 47 that reciprocates in the vertical direction Z integrally with the linear guides 45, 45, 45, 45, and is connected to the vertical slide base 47 and is And a linear motor 49 that moves the slide base 47 up and down by a predetermined stroke. Then, by driving the linear motor 49, the vertical slide base 47 is moved in the vertical vertical direction Z in FIGS.

The processing head 15 is provided on the front side of the vertical slide base 47 and moves integrally with the vertical slide base 47. The processing head 15 is equipped with processing means 51 and copying means 53 which are main components of the processing apparatus 1.
The processing means 51 is means for executing a desired processing by causing a processing tool 55 to act on the groove portion 5 formed on the inner peripheral surface 3 of the workpiece W. The processing means 51 includes a processing tool 55, a cutter spindle 57 that holds the processing tool 55, and a rotational drive mechanism that includes a drive motor 69 that rotationally drives the processing tool 55.
The machining tool 55 is held downward by a chuck portion 59 of a cutter spindle 57, and the cutter spindle 57 is driven by a driven shaft 61 that rotates integrally with the chuck portion 59 and bearings 63, 63. And a holder housing 65 that rotatably holds the shaft 61.

  A driven pulley 67 is attached to the upper end portion of the driven shaft 61. The rotation of the output shaft of the drive motor 69 provided apart from the cutter spindle 57 is connected to the drive pulley 71 attached to the output shaft. The machining tool 55 is rotated in a predetermined direction at a predetermined rotation speed by being transmitted to the driven pulley 67 via the drive pulley 71 and an endless belt 73 wound between the driven pulley 67. It has become. In the present embodiment, the thickness t1 of the machining portion 56 of the machining tool 55 that performs machining by acting on the groove portion 5 of the workpiece W is substantially equal to the axial height B of the groove portion 5 of the workpiece W. It is set smaller.

  The copying means 53 is a means for bringing the copying member 75 into contact with the groove portion 5 formed on the inner peripheral surface 3 of the workpiece W and moving back and forth integrally with the processing means 51 following the inner peripheral surface shape of the groove portion 5. Thereby, the amount of machining by the machining tool 55 is restricted to a certain amount. The copying unit 53 includes a fixed block 77 fixed to the cutter spindle 57 of the processing unit 51, an intermediate block 79 provided below the fixed block 77, and an attachment block 81 provided below the intermediate block 79. , And two copying members 75, 75 attached to the attachment block 81.

  The mounting block 81 is formed with elongated holes 83 and 83 extending in the left-right direction Y as shown in FIG. 10, and the copying member 75 and the mounting block 81 are within the length of the elongated holes 83 and 83. The amount of protrusion in the left-right direction Y can be adjusted. As shown in FIG. 10, two copying members 75 are provided at symmetrical positions in the horizontal direction with the processing tool 55 as the center, and the shape of the copying operation portion 76 that substantially contacts the groove portion 5 of the workpiece W is as follows. The scanning member 75 is narrower than the base side, and the thickness t2 of the scanning action portion 76 is substantially the same as the thickness t1 of the machining action portion 56 of the machining tool 55. The axial direction of the groove portion 5 of the workpiece W is It is set smaller than the height B.

  A spring shaft mounting block 85 is provided on the front surface of the vertical slide base 47, and a spring shaft 87 extending in the vertical direction is mounted below the spring shaft mounting block 85. A washer 89 that also serves as a lower spring seat and a double nut 91 are attached to the lower portion of the spring shaft 87. On the other hand, a fitting block 93 that slides in the vertical direction Z and a washer 95 that also serves as an upper spring seat are fitted in the middle portion of the spring shaft 87, and between the washer 89 and washer 95. A compression coil spring 97, which is an example of an urging unit, is contracted.

  The fitting block 93 is attached to the blade portion 100 of the connecting bracket 99 having an L-shaped cross section, and the substrate portion 101 of the connecting bracket 99 is fixed to the side surface of the cutter holder 57 in the processing means 51. Yes. Therefore, the compression coil spring 97 is loaded with the processing means 51 and the copying means 53 via the connection bracket 99 and the fitting block 93, and the compression coil spring 97 includes the processing means 51 and the copying means 53. Is elastically supported so that the working height H of the processing means 51 and the copying means 53 with respect to the groove portion 5 can be adjusted within the range of expansion and contraction of the compression coil spring 97.

Also, the blade plate portion 100 of the connecting bracket 99 and the spring shaft mounting block 85 have an action height H of the processing means 51 and the copying means 53 with respect to the groove portion 5 of the axial height B of the groove portion 5. A working height switching means 103 for switching between a lower machining position H1 shown in FIG. 11 and an upper machining position H2 shown in FIG. 12 is provided.
The working height switching means 103 includes a working height switching cylinder 105 provided on the blade plate 100 side, and a tapered pusher 107 provided at the tip of the cylinder rod of the working height switching cylinder 105. And a fitting recess 109 fitted to the pusher 107 provided on the spring shaft mounting block 85 side.

In the case of the workpiece W shown in FIGS. 19 to 21 and the workpiece W shown in FIGS. 22 and 23, the groove portion 5 is intermittently provided in a substantially annular shape in the circumferential direction, and further between the adjacent groove portions 5 and 5. A deep groove is formed or a gap 111 is formed. In such a structure, in order to execute a desired deburring process over the entire circumference, as shown in FIG. 10, one of the copying members 75 is always located at the position of the groove 5. I need it. The positions of the two copying members 75 and 75 are set in consideration of such a situation.
Further, either one of the copying members 75 is positioned at the position of the groove portion 5 and is set at a position away from the edge portion of the groove portion 5, that is, the portion where the burr is generated. Has been. If the copying member 75 is located at the burr position, it is pushed back by the amount of the burr, so that the amount of processing by the processing tool 55 may fluctuate and the processing accuracy may be reduced. Is done. Therefore, as described above, any one of the copying members 75 is located at the position of the groove portion 5 and at a position away from the edge portion of the groove portion 5, that is, the portion where the burr is generated. It is set to be located.

In addition, the processing apparatus 1 requires pressing means for pressing the processing head 15 in a direction toward the workpiece W at all times with a constant pressing force. In the case of this embodiment, The above-described horizontal drive cylinder 35 functions as the pressing means.
In addition, for example, it is possible to adopt a configuration in which a pressing force is generated by transmitting the weight load (not shown) to the processing head 15 via a string body wound around a rotating body.

Next, an operation mode of the processing apparatus 1 according to the first embodiment configured as described above will be described.
The operator opens the door 19 of the processing box 13, sets the workpiece W on the workpiece chuck 23, and fixes the workpiece W to the workpiece holding / rotating means 21 by tightening a lock bolt or the like. Then, the vertical movement means 29 of the movement means 17 is driven so that the machining tool 55 and the two copying members 75 and 75 act on the groove portion 5 of the inner peripheral surface 3 of the workpiece W at the optimum working height H. Adjust the position. Further, the horizontal driving means is driven to press the machining tool 55 and the copying members 75, 75 in the workpiece W direction.

  After completion of the preparatory work, the work rotation driving means 25 and the drive motor 69 of the processing means 51 are activated to perform deburring of the groove portion 5 of the work W. In this case, the deburring process of the lower side of the groove part 5 shown in FIG. 11 is performed first. At the time of lower processing, the operating height switching cylinder 105 is contracted and the pusher 107 and the fitting recess 109 are not fitted. In this state, the processing unit 51 and the copying unit 53 fall due to their own weights, and the working height H of the processing unit 51 and the copying unit 53 with respect to the groove 5 moves to the lower processing position H1. In this state, deburring is performed on the inner peripheral surface and the edge of the groove 5 provided intermittently. At that time, first, deburring is performed by the processing tool 55, and thereafter, the tip of the copying member 75 comes into contact with the inner peripheral surface of the groove portion 5, whereby further deburring is restricted. Such an action is performed over the entire circumference of the groove 5.

Next, the deburring process of the upper side of the groove part 5 shown in FIG. 12 is performed.
At the time of the upper side machining, the operating height switching cylinder 105 is set in the extended state, and the pusher 107 and the fitting recess 109 are set in the fitted state. In this state, since the position of the pusher 107 is raised to the position of the fitting recess 109, the processing means 51 and the copying means 53 are raised against the spring force of the coil spring 97, and the operating height H with respect to the groove 5 is the upper processing position. Move to H2. Also in this case, first, the deburring process is performed by the processing tool 55, and then the further deburring process is restricted by the tip of the copying member 75 coming into contact with the inner peripheral surface of the groove portion 5. Such an action is performed over the entire circumference of the groove 5.
Then, by repeatedly executing the deburring process in the above two steps for all the workpieces W, the coordinate input operation and the complicated control program are complicated for the deburring of the grooves 5 on the inner peripheral surface 3 of all the workpieces W. Can be executed accurately, efficiently and at low cost.

(2) Second Embodiment Next, a processing apparatus 1A according to a second embodiment of the present invention will be described with reference to FIGS.
Since the basic configuration of the processing apparatus 1A is the same as that of the processing apparatus 1 according to the first embodiment, only the configuration different from that of the first embodiment will be described here.
First, in the present embodiment, the thickness T1 of the machining operation portion 56A of the machining tool 55A is set to be equal to the axial height B of the groove portion 5 of the workpiece W or smaller than the axial height B by the machining allowance. Has been.

In the present embodiment, the shape of the copying portion 76A of the copying member 75A is such that the thickness T2 of the distal end is smaller than the width B of the groove 5 and the thickness T3 of the proximal end is higher than the height of the groove 5 in the axial direction. It is formed in a tapered shape that continuously changes so as to be larger than the length B.
In the present embodiment, the copying member 75A serves as a protruding means for imparting a protruding tendency so that the copying member 75A can advance and retreat at least in the range of the copying operation length L in which the thickness of the copying operation portion 76A changes from T2 to T3. It is provided in a state of being urged by two compression coil springs 113, 113.

Specifically, the shape of the intermediate block 79A is formed to be longer than the intermediate block 79 of the first embodiment so that the rear end surface protrudes backward, and the rear end surface of the intermediate block 79A is A rectangular flat plate-like connecting plate 115 is fixed. The connecting plate 115 includes a cover member 117 that covers the intermediate block 79A and a mounting block 81A that is engaged with the intermediate block 79A so as to be movable back and forth in the left-right direction Y in FIG. It is attached. The front plate 118 of the cover member 117 has a function as a stopper for setting the advance position of the mounting block 81A described below.

The mounting block 81A is formed thicker than the mounting block 81 of the first embodiment, and the two compression coil springs are provided on the left and right sides (up and down in FIG. 17) of the rear end portion of the mounting block 81A. Housing recesses 119 and 119 for housing 113 and 113 are formed. Further, a rectangular flat stopper receiver 121 is attached to the rear end face of the intermediate mounting block 81A in the left and right receiving recesses 119, 119, and the connecting plate 115 at a position facing the stopper receiver 121 includes: A stopper pin 123 for setting the retracted position of the mounting block 81A is provided.

In the present embodiment, the copying member 57A includes the copying operation portion 76A on the periphery, the copying disk 125 having the shaft portion 127 formed in the vertical direction from the center thereof, and the bearings 129 and 129. The copying disc 125 is rotatably supported, and is screwed into a supporting arm 131 fixed to the mounting block 81A and a male screw portion engraved at the tip of the shaft portion 127 of the copying disc 125. And a nut 133 for attaching the copying disk 125 to the support arm 131.

Next, an operation mode of the processing apparatus 1A according to the second embodiment configured as described above will be described.
The worker holds the workpiece W by opening the door 19 of the machining box 13, setting the workpiece W on the workpiece chuck 23, and tightening a lock bolt or the like, as in the machining apparatus 1 according to the first embodiment. Fix to the rotating means 21.
Then, the moving means 17 is driven to adjust the position so that the machining tool 55A and the two copying members 75A and 75A act on the groove portion 5 of the inner peripheral surface 3 of the workpiece W at the optimum working height H.

After completion of the preparatory work, the work rotation driving means 25 and the drive motor 69 of the processing means 51 are activated to perform deburring of the groove 5 of the work W.
In this case, first, as shown in FIG. 18B, the tapered copying portion 76A of the copying member 75A serves as a guide surface, and the copying member 75A advances to the groove portion 5 side by the urging force of the compression coil spring 113. However, the operating height H is automatically adjusted so as to coincide with the center of the groove portion 5 in the width B direction.

On the other hand, since the machining tool 55A also moves integrally with the copying member 75A, the working height H of the machining tool 55A is automatically adjusted so as to coincide with the center of the groove portion 5 in the width B direction.
Further, in the present embodiment, as described above, since the thickness of the machining action portion 56A of the machining tool 55A is set to be the same as the width B of the groove 5 or smaller for the machining allowance, the action height H is switched. Instead, the deburring process is performed over the entire circumference and the entire width of the groove portion 5 by the deburring process in only one step.

Then, by repeatedly executing the deburring process on all the workpieces W, the deburring of the grooves 5 on the inner peripheral surface 3 of all the workpieces W is performed as in the processing device 1 according to the first embodiment. This enables accurate and efficient execution at low cost without executing complicated coordinate input operations and complicated control programs.

The present invention is not limited to the first embodiment and the second embodiment described above.
For example, the processing apparatus 1 of the present invention is used not only for deburring the groove 5 on the inner peripheral surface 3 of the workpiece W but also for other processes such as chamfering the groove 5 by changing the type of the processing tool 55. It is also possible.
Further, instead of the compression coil spring used as the urging means 97 and the protruding means 113, other spring materials such as a leaf spring can be used, or a rubber material, an air damper, or the like can be used.
Further, in the processing apparatus 1 according to the first embodiment, it is possible to perform a deburring process on the upper side of the groove 5 first and then perform a deburring process on the lower side of the groove 5. It is.

  The present invention manufactures and uses a processing device suitable for deburring a groove portion formed intermittently in a substantially annular shape on the inner peripheral surface of a workpiece, such as a drum of a multi-plate clutch or a ring gear of a planetary gear mechanism. It has applicability in fields.

DESCRIPTION OF SYMBOLS 1 Processing apparatus 3 Inner peripheral surface 5 Groove part 7 Base 9 Caster 11 Leg part 13 Processing box 15 Processing head 17 Movement means 19 Door 21 Work holding / rotation means 23 Work chuck 25 Work rotation drive means 27 Horizontal movement means 29 Vertical movement means 31 Vertical base 33 Linear guide 35 Horizontal drive cylinder 37 Horizontal slide base 39 Horizontal guide rail 41 Support base 43 Vertical guide rail 45 Linear guide 47 Vertical slide base 49 Linear motor 51 Processing means 53 Copying means 55 Processing tool 56 Processing action part 57 Cutter holder 59 Chuck part 61 Driven shaft 63 Bearing 65 Holder housing 67 Driven pulley 69 Drive motor 71 Drive pulley 73 Endless belt 75 Copying member 76 Copying action part 77 Fixed block 79 Intermediate block 81 Mounting block 83 Long hole 85 Spring shaft mounting block 87 Spring shaft 89 Washer 91 Double nut 93 Fitting block 95 Washer 97 Compression coil spring (biasing means)
99 Connection bracket 100 Wing plate portion 101 Substrate portion 103 Working height switching means 105 Working height switching cylinder 107 Pusher 109 Fitting recess 111 Space portion 113 Compression coil spring (protruding means)
115 Connecting plate 117 Cover member 118 Front plate 119 Housing recess 121 Stopper receiver 123 Stopper pin 125 Copying disc 127 Shaft portion 129 Bearing 131 Support arm 133 Nut W Work W1 Multi-plate clutch drum W2 Ring gear X of planetary gear mechanism Front-rear direction Y Left-right direction Z Up-down direction t1 Thickness t2 Thickness T1 Thickness T2 Tip end thickness T3 Base end thickness B Width H Action height H1 Lower machining position H2 Upper machining position L Following action length

Claims (6)

A processing tool that includes grooves provided intermittently in the circumferential direction and is pressed against a rotating workpiece so as to be freely advanced and retracted, and performs finishing such as deburring on the groove of the workpiece;
A copying member that is arranged on both sides of the processing tool and is pressed with the processing tool so as to be able to advance and retreat with respect to the workpiece, and regulates the processing amount by the processing tool to a constant amount by following the inner diameter shape of the groove portion of the workpiece; ,
A pressing means for pressing the processing tool and the copying member against the workpiece so as to freely advance and retract;
Elastic support means for elastically supporting the working tool and the copying member in an axially variable height with respect to the groove portion;
A processing apparatus comprising: The processing apparatus according to claim 1,
1. The machining apparatus according to claim 1, wherein one copying member is provided at each symmetrical position on both sides of the machining tool. In the processing apparatus according to claim 1 or claim 2,
The positions of the two copying members are set such that at least one of the two copying members is always positioned in the groove portion with respect to the groove portion intermittently provided in the circumferential direction. Processing equipment. The processing apparatus according to claim 3, wherein
The positions of the two copying members are such that at least one of the two copying members is necessarily the groove and is located away from the burr with respect to the grooves provided intermittently in the circumferential direction. A processing apparatus characterized by being set. In the processing apparatus according to any one of claims 1 to 4,
The thickness of the working part of the machining tool and the thickness of the copying part of the copying member are set to be smaller than the axial height of the groove part of the workpiece,
A machining apparatus, comprising: an axially acting height switching means for switching an axially acting height of the machining tool and the copying member with respect to the groove in a range of the axial height of the groove. In the processing apparatus according to any one of claims 1 to 4,
The thickness of the working portion of the processing tool is set to be the same as the axial height of the groove portion of the workpiece or smaller by the machining allowance,
Formed in a tapered shape so that the thickness of the tip of the copying member of the copying member is smaller than the axial height of the groove and the thickness of the proximal end is larger than the axial height of the groove. The processing apparatus characterized by being made.

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