CN103945982B - Double-headed grinder - Google Patents
Double-headed grinder Download PDFInfo
- Publication number
- CN103945982B CN103945982B CN201280056933.1A CN201280056933A CN103945982B CN 103945982 B CN103945982 B CN 103945982B CN 201280056933 A CN201280056933 A CN 201280056933A CN 103945982 B CN103945982 B CN 103945982B
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- China
- Prior art keywords
- transport
- workpiece
- processing room
- room cover
- axle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
- B24B7/17—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
A double-headed grinder (1), wherein a carrier plate (30) comprises a pair of carrier parts (31, 32) that exhibit a fan-shaped outline form having a central angle (alpha) of less than 90 DEG , centered around a carrier shaft, and upon which a plurality of work pockets (33) are formed. The carrier shaft (23) is installed at a boundary inside and outside a machining chamber cover (40) as viewed from the direction in which the center line (CL) of said carrier shaft (23) extends. The carrier parts (31, 32) enter and leave the inside of the machining chamber cover (40) in accordance with the rotation of the carrier shaft (23). The double-headed grinder (1), wherein the machining chamber cover (40) can be reduced in size and workpieces can be attached to and detached from the carrier plate (30) outside the machining chamber cover (40), is thus provided.
Description
Technical field
The present invention relates to double-ended grinding machine, particularly relate to the double-ended grinding machine adopting the through feed grinding mode of transporting the multiple workpiece of plate continuous grinding.
Background technology
The known double-ended grinding machine (for example, referring to patent document 1) adopting the through feed grinding mode of transporting the multiple workpiece of plate continuous grinding.About this double-ended grinding machine, rotated by the transport plate making to be formed with multiple workpiece accommodation section for holding workpiece, between a pair emery wheel workpiece being held in workpiece accommodation section being moved to rotation, successively grinding is carried out to two faces of multiple workpiece thus.
At first technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 5-8161 publication
Summary of the invention
The problem that invention will solve
, in double-ended grinding machine, usually, splash to prevent the cooling medium supplied when grinding work piece or leak along transport plate, possessing the Processing Room cover that the transport slab integral comprising machining area is covered.
Therefore, there is Processing Room cover to maximize such problem.In addition, also there is such problem: the cooling medium used easily adheres to, and have to carry out workpiece relative to the handling of transporting plate in the inside of limited space and Processing Room cover.
The present invention completes in view of such situation, and its object is to provides following double-ended grinding machine: Processing Room cover can be made miniaturized, and can carry out workpiece in the outside of Processing Room cover relative to the handling of transporting plate.
For the means of dealing with problems
In order to solve described problem, the invention that claim 1 relates to is double-ended grinding machine, it is characterized in that, described double-ended grinding machine possesses: a pair emery wheel that can rotate, and they are configured to opposite one another, the transport axle that can rotate, transport plate, itself and described transport axle link, and are formed with multiple workpiece accommodation section for holding workpiece, transport drive division, it makes described transport axle rotate, for the workpiece being held in described workpiece accommodation section is moved to rotation described a pair emery wheel between, with Processing Room cover, it is for suppressing splashing or the leakage of the cooling medium used when grinding, described transport plate has at least one transport portion, outer shape in the fan-shaped scope of described transport portion in the central angle less than 90 degree had centered by described transport axle, and, described transport portion is formed multiple described workpiece accommodation section, observe from the extending direction of the center line of this transport axle, described transport axle is arranged at the inside and outside boundary portion of described Processing Room cover, along with described transport axle rotates, described transport portion passes in and out relative to the inside of described Processing Room cover.
According to the present invention, splashing or the leakage of cooling medium can be suppressed by the Processing Room cover of compact structure.In addition, because the inside of transport portion relative to Processing Room cover passes in and out, therefore, it is possible to be not easy to carry out workpiece relative to the handling of transporting plate by the outside of the Processing Room cover of layout restriction when not adhering to cooling medium.
That is, such double-ended grinding machine can be provided: Processing Room cover can be made miniaturized, and workpiece can be carried out in the outside of Processing Room cover relative to the handling of transporting plate.
In addition, the feature of the invention that claim 2 relates to is, in double-ended grinding machine according to claim 1, being clipped in the middle by described transport axle, relative position is configured with a pair to described transport portion.
According to the present invention, during can being that grinding is carried out to the workpiece being held in a transport portion in the inside of Processing Room cover, carry out the handling of workpiece relative to another transport portion in the outside of Processing Room cover, therefore, it is possible to improve operating efficiency.
In addition, the feature of the invention that claim 3 relates to is, in double-ended grinding machine according to claim 1, observe from the extending direction of the center line of described transport axle, the fan-shaped central angle by described transport axle centered by external with the outer shape of described transport portion is set to, and makes described workpiece accommodation section be accommodated in the angle in the space between the inner surface of described emery wheel and described Processing Room cover.
According to the present invention, due to can enter into the inside of Processing Room cover completely in transport portion state under start or stop the supply of cooling medium, therefore, it is possible to suppress splashing or the leakage of cooling medium, and can be maximum limit by the quantity set being held in the workpiece of transport portion.Thereby, it is possible to improve operating efficiency further.
In addition, the feature of the invention that claim 4 relates to is, in double-ended grinding machine according to claim 2, observe from the extending direction of the center line of described transport axle, the fan-shaped central angle by described transport axle centered by external with the outer shape of described transport portion is set to, and makes described workpiece accommodation section be accommodated in the angle in the space between the inner surface of described emery wheel and described Processing Room cover.
According to the present invention, due to can enter into the inside of Processing Room cover completely in transport portion state under start or stop the supply of cooling medium, therefore, it is possible to suppress splashing or the leakage of cooling medium, and can be maximum limit by the quantity set being held in the workpiece of transport portion.Thereby, it is possible to improve operating efficiency further.
In addition, the feature of the invention that claim 5 relates to is, in double-ended grinding machine described in any one in claim 1 to claim 4, described Processing Room cover has the opening portion passed through for described transport portion and the packaged unit can closing described opening portion.
According to the present invention, cooling medium can be suppressed to splash from opening portion or leak.
Invention effect
According to the present invention, such double-ended grinding machine can be provided: Processing Room cover can be made miniaturized, and workpiece can be carried out in the outside of Processing Room cover relative to the handling of transporting plate.
Accompanying drawing explanation
Fig. 1 is the integrally-built figure that the double-ended grinding machine that one embodiment of the present invention relates to is shown, (a) is top view, and (b) is side view.
Fig. 2 is the front view of the double-ended grinding machine shown in Fig. 1.
Fig. 3 is the partial enlargement longitudinal section that the situation that workpiece is ground is shown.
Fig. 4 is the outside drawing of Processing Room cover, and (a) is top view, and (b) is side view, and (c) is front view.
Fig. 5 is the front view of the Processing Room cover of baffle plate when being in open state.
Fig. 6 is the figure of the guide structure for illustration of baffle plate, and (a) is the enlarged drawing observed from the A direction of Fig. 4 (b), and (b) is the enlarged drawing of the baffle plate periphery of Fig. 4 (b).
Fig. 7 schematically shows workpiece by the top view of the situation of grinding successively, a () illustrates that workpiece is moved to the figure of the state before grinding space, b () is the figure of state when illustrating that workpiece is ground, (c) illustrates that workpiece is by the figure of the state after taking out of from grinding space.
Fig. 8 is the top view of the transport plate that variation relates to.
Detailed description of the invention
Next, with reference to suitable accompanying drawing, embodiments of the present invention are described in detail.
Fig. 1 is the integrally-built figure that the double-ended grinding machine that one embodiment of the present invention relates to is shown, (a) is top view, and (b) is side view.Fig. 2 is the front view of the double-ended grinding machine shown in Fig. 1.Fig. 3 is the partial enlargement longitudinal section that the situation that workpiece is ground is shown.
As depicted in figs. 1 and 2, double-ended grinding machine 1 adopts to transport plate 30 carries out the through feed grinding mode of continuous grinding double-ended grinding machine to multiple workpiece W (with reference to Fig. 3).Further, in FIG, for convenience of explanation, the diagram of workpiece is eliminated.In addition, in order to make the explanation clear, the direction that setting is upper and lower all around so as depicted in figs. 1 and 2.
Double-ended grinding machine 1 possesses: as the lathe bed 2 of pedestal; Main body frame 3, it erects setting at the rear side of lathe bed 2; And a pair main axle unit 4,5, they via line slideway 11,13 can be configured in the front surface of main body frame 3 in the mode of above-below direction movement.
A pair main axle unit 4,5 has: pair of flanges 6,7, and they are fixed in pair of rotary shafts (not shown) respectively, and this pair of rotary shafts is arranged on same vertical axes V; A pair emery wheel 8,9, they are fixed in pair of flanges 6,7 respectively by screw component etc.; And a pair emery wheel drive motor (not shown), they rotate for driving described pair of rotary shafts respectively.A pair emery wheel 8,9 is configured to the face of grinding side in the vertical direction opposite one another.Further, described emery wheel drive motor is the built-in motor of the outer circumferential side being configured in described rotating shaft herein, but is not limited to this, also can be the structure rotated to drive described rotating shaft via drive transfer parts such as band or gears.In addition, emery wheel 8,9 respective rotary speeies and direction can be changed respectively.
In addition, a pair main axle unit 4,5 utilizes such as feed screw mechanism (not shown) to convert the rotary driving force of the main axle unit drive motor 12,14 being arranged at main body frame 3 to rectilinear direction driving force respectively, is configured to thus to move in the vertical direction.
Be fixed with a pair supporting arm 21,21 in the left and right of the front-surface side of main body frame 3, between a pair supporting arm 21,21, via attaching parts 26,26, conveyer 22 be installed.
Conveyer 22 possesses: transport plate 30, and this transport plate 30 is formed multiple workpiece accommodation section 33 for holding workpiece W (with reference to Fig. 3); The transport axle 23 that can rotate, it links with transport plate 30; And transporting drive motor (transport drive division) 25, it rotates for making transport axle 23.Transporting drive motor 25 makes transport axle 23 rotate via driving force transmission mechanisms 24 such as gear reductions, thus, as shown in Figure 3, the grinding space G (with reference to Fig. 3) between a pair emery wheel 8,9 that the workpiece W being held in workpiece accommodation section 33 can be moved to rotation.
In addition, double-ended grinding machine 1 possesses Processing Room cover 40, and this Processing Room cover 40 is for preventing splashing or the leakage of the cooling medium used when grinding.Processing Room cover 40 is configured to cover the machining area comprising a pair emery wheel 8,9.
The upper cover 51 of the barrel shape covered above flange 6 is installed in the bottom of main axle unit 4, the lower cover 52 of the barrel shape of the below covering flange 7 is installed on the top of main axle unit 5.Upper cover 51 is connected via the periphery of the bellows 53 of retractile hollow in the vertical direction with the upper shed portion 41c (with reference to Fig. 4 (a)) of Processing Room cover 40, and lower cover 52 is connected with the periphery of the under shed portion 41d (reference Fig. 4 (a)) of Processing Room cover 40 via the bellows 54 of retractile hollow in the vertical direction.Thus, moving up and down of (absorption) main axle unit 4,5 can be allowed, ensure that the sealing property between Processing Room cover 40 and main axle unit 4,5 simultaneously.
Transport plate 30 and have a pair transport portion 31,32, described a pair transport portion 31,32 is in the fan-shaped outer shape had to transport the central angle alpha (with reference to Fig. 1 (a)) less than 90 degree centered by axle 23.This pair transport portion 31,32 is configured in and is clipped in the middle and relative position by transport axle 23.
A pair transport portion 31,32 is formed with multiple workpiece accommodation section 33 respectively.Workpiece accommodation section 33 be circumferentially equiangularly gap-forming in the edge, periphery of transport portion 31,32, along the through hole of vertical direction.The internal diameter of workpiece accommodation section 33 is set slightly larger than the external diameter of workpiece W (with reference to Fig. 3), thus workpiece W can be made to be fitted together to and be held in workpiece accommodation section 33.
Support plate (not shown) is provided with immediately below transport plate 30, described support plate at the lower surface from the position area supporting workpiece W to the tight upstream side of emery wheel 8,9 (with reference to Fig. 3) opposed with workpiece feeding device 55 (with reference to Fig. 7), for described workpiece W being guided to grinding space G (with reference to Fig. 3).Equally, from the tight downstream of emery wheel 8,9 to the position opposed with Work-piece picking device 56 (with reference to Fig. 7) immediately front region be provided with support plate (not shown) for guiding the workpiece W after being ground (with reference to Fig. 3).
Observe from the extending direction of the centre line C L of transporting axle 23, this transport axle 23 is arranged at the inside and outside boundary portion (with reference to Fig. 1 (a)) of Processing Room cover 40.And then double-ended grinding machine 1 is configured to, along with the rotation of transporting axle 23, transport portion 31,32 passes in and out relative to the inside of Processing Room cover 40.Thus, when a transport portion 31 (32) is present in the inside of Processing Room cover 40, cooling medium can be supplied on one side fully while carry out grinding to the workpiece W (with reference to Fig. 3) of the workpiece accommodation section 33 being held in this transport portion 31 (32), and, the surface portion of transporting axle 23 can be utilized as described later to block cooling medium, in order to avoid cooling medium leaks to the outside of Processing Room cover 40.
In addition, owing to as described above the central angle alpha of the transport portion 31 (32) in fan-shaped outer shape being set as less than 90 degree, therefore, although central angle alpha is restricted further because of the external diameter of emery wheel 8,9, the external diameter transporting plate 30 and both axle bases, but, till multiple workpiece W (with reference to Fig. 3) of the multiple workpiece accommodation sections 33 being held in transport portion 31 (32) respectively all complete grinding, the front end, direction of rotation side of transport portion 31 (32) can be avoided to expose outside (with reference to Fig. 7 (c)) to Processing Room cover 40.Equally, can, before the workpiece of foremost of multiple workpiece W (with reference to Fig. 3) of the multiple workpiece accommodation sections 33 being held in transport portion 31 (32) respectively starts grinding, the direction of rotation rear flank end of transport portion 31 (32) be made to enter into the inside (with reference to Fig. 7 (a)) of Processing Room cover 40 completely.Therefore, it is possible to prevent the cooling medium used in grinding from leaking to the outside of Processing Room cover 40 along transport portion 31 (32).
At this, observe from the extending direction of the centre line C L of transporting axle 23, the transport portion 31,32 in fan-shaped outer shape be set to by the central angle alpha of transporting centered by axle 23 angle (reference Fig. 7 (a), (c)) just workpiece accommodation section 33 being accommodated in the space between emery wheel 8,9 and the inner surface of Processing Room cover 40.According to such structure, under the state that transport portion 31 (32) enters into the inside of Processing Room cover 40 completely, supply or the supply of stopping cooling medium after rearmost workpiece W (with reference to Fig. 3) in grinding of medium can be begun to cool down before the workpiece W of grinding foremost (with reference to Fig. 3), therefore, cooling medium can be suppressed to splash to the outside of Processing Room cover 40 or leak, and can be maximum limit by the quantity set of the workpiece W (with reference to Fig. 3) being held in transport portion 31,32.Thereby, it is possible to improve operating efficiency further.But, also the central angle alpha of transport portion 31,32 can be set as the angle less than the angle shown in (a), (c) of Fig. 7, be accommodated in while there is enough surpluses space between emery wheel 8,9 and the inner surface of Processing Room cover 40 to make workpiece accommodation section 33.
Fig. 4 is the outside drawing of Processing Room cover, and (a) is top view, and (b) is side view, and (c) is front view.Fig. 5 is the front view of the Processing Room cover of baffle plate when being in open state.Fig. 6 is the figure of the guide structure for illustration of baffle plate, and (a) is the enlarged drawing observed from the A direction of Fig. 4 (b), and (b) is the enlarged drawing around the baffle plate of Fig. 4 (b).
As shown in Figure 4, Processing Room cover 40 has the cover main body 41 in the roughly box-shaped of cuboid combined by multiple plate body, cover main body 41 has the 1st cover portion 41a and the 2nd cover portion 41b, described 1st cover portion 41a covers a pair emery wheel 8,9, described 2nd cover portion 41b and the 1st cover portion 41a is arranged continuously, and forwards extends to the centre line C L of transporting axle 23.Processing Room cover 40 is fixed in such as attaching parts 26,26 (with reference to Fig. 1 (a)) by screw component (not shown) etc., and on Processing Room cover 40, be provided with the shutter door (not shown) etc. such as checked.
Upper shed portion 41c is formed at the upper surface of the 1st cover portion 41a, the lower end of bellows 53 is connected with the periphery of this upper shed portion 41c, be formed with under shed portion 41d at the lower surface of the 1st cover portion 41a, the lower end of bellows 54 is connected with the periphery of this under shed portion 41d.
As shown in Figure 5, be formed on the downside of the front of the 2nd cover portion 41b for the chimeric notch 48 of rear side half part of transporting axle 23, notch 48 has: upper end 48a, and it is opposed with the upper surface of transporting axle 23; Semicircular opening portion 48b, it is opposed with the semi-circumference part of the root side on the side of transporting axle 23; And side end 48c, it is opposed with the bus part of the above-below direction of the side of transport axle 23.Be provided with the seal member (not shown) of such as rubber in the inner side of semicircular opening portion 48b, thus, ensure that the sealing property between the semicircular opening portion 48b of Processing Room cover 40 and the semi-circumference part of transporting the root side on the side of axle 23.
In addition, as shown in Figure 4 and Figure 5, be formed with in the mode be communicated with notch 48 opening portion 42,43 passed through for transport portion 31,32 in the both sides of the left and right directions of notch 48.Further, have can the baffle plate (packaged unit) 44 of closed peristome 42,43 for Processing Room cover 40.Like this, cooling medium can be suppressed to splash from opening portion 42,43 or leak.
Baffle plate 44 is integrally formed with can closed peristome 42 right baffle portion 44a, can closed peristome 43 right baffle-plate portion 44b and connect the connecting portion 44c of right baffle portion 44a and right baffle-plate portion 44b, thus baffle plate 44 is in shape of glasses.But, also can adopt the structure that right baffle portion 44a is separated with right baffle-plate portion 44b.
Baffle plate 44 is maintained between a pair side guide member 47,47 that cross section is L-shaped shape in the mode of movement of can sliding in the vertical direction, and this is fixed on the left and right of the front-surface side of the 2nd cover portion 41b to side guide member 47,47.In addition, about the below of the front-surface side of the 2nd cover portion 41b, be fixed with cross section is guide member 45,45 below a pair of L-shaped shape, and below this pair, guide member 45,45 keeps the lower end of baffle plate 44 when baffle plate 44 is closed.Baffle plate 44 moves in the vertical direction by means of Baffle drive device (not shown) and can open or closed peristome 42,43.As Baffle drive device, the structure (all not shown) etc. such as utilizing motor to drive the pinion engaged with the tooth bar extended in the vertical direction being arranged at baffle plate 44 can be listed, but be not limited thereto.
The seal member 46 of such as rubber is installed with at the periphery of the rear surface (back side) of baffle plate 44.The profile of seal member 46 is roughly consistent with the profile of baffle plate 44 at this, but, the profile being positioned at the reverse U shape shape part 46a by the side end of connecting portion 44c side and the bottom of connecting portion 44c by the side end of connecting portion 44c side, right baffle-plate portion 44b of right baffle portion 44a than baffle plate 44 profile laterally, namely notch 48 expose.If formed like this, then when utilizing baffle plate 44 closed peristome 42,43, reverse U shape shape part 46a can be pressed into the bus part of the above-below direction of the upper surface of transporting axle 23 and the side of transporting axle 23.Thereby, it is possible between the upper end 48a and the upper surface of transporting axle 23 of the notch 48 of Processing Room cover 40 and the side end 48c of the notch 48 of Processing Room cover 40 and the bus wire portion of above-below direction of side that transports axle 23 divide between guarantee sealing property.
Above the front surface of baffle plate 44, the bight of left and right is provided with the protuberance 49a forwards given prominence to from the front surface of baffle plate 44, and the bight about the below of the front surface of baffle plate 44 is provided with the protuberance 49b forwards given prominence to from the front surface of baffle plate 44.If formed like this, then when utilizing baffle plate 44 closed peristome 42,43, protuberance 49a is connected to the inner surface 47a of side guide member 47, and protuberance 49b is connected to the inner surface 45a of below guide member 45, by making baffle plate 44 move to the 2nd 41b side, cover portion, seal member 46 can be pressed into the front surface of the 2nd cover portion 41b thus.Thereby, it is possible in the opening portion 42 of Processing Room cover 40, guarantee sealing property between 43 and outside.
In addition, baffle plate 44, seal member 46, opening portion 42,43 and notch 48 are not limited to the form shown in Fig. 4 ~ Fig. 6, and its shape or size can suitably change.
Next, with reference to Fig. 1 and Fig. 7, the effect of the double-ended grinding machine 1 of formation as aforementioned is described.Fig. 7 schematically shows workpiece by the top view of the situation of grinding successively, a () illustrates that workpiece is moved to the figure of the state before grinding space, b () is the figure of state when illustrating that workpiece is ground, (c) illustrates that workpiece is by the figure of the state after taking out of from grinding space.Further, in the figure 7, for convenience of explanation, the diagram of workpiece is eliminated.
To workpiece W (with reference to Fig. 3, identical below) when carrying out grinding, double-ended grinding machine 1 adjusts main axle unit 4,5 by means of main axle unit drive motor 12,14 and moves in the vertical direction, thus the distance between a pair emery wheel 8,9 is set as the value specified.Then, double-ended grinding machine 1 makes a pair emery wheel 8,9 rotate by means of emery wheel drive motor (not shown), and by means of transporting drive motor 25, the transport plate 30 being installed on transport axle 23 is rotated to the direction of arrow in Fig. 7.
The workpiece W that Fig. 7 (a) shows the foremost of the workpiece accommodation section 33 being held in transport portion 31 is moved to grinding space G (with reference to Fig. 3 at once, identical below) before state, from the stage of workpiece accommodation section 33 workpiece W being installed on transport portion 31, the grinding of the main workpiece W to being held in transport portion 31 is described successively.
First, when each workpiece accommodation section 33 of transport portion 31 is positioned at the opening portion 42 of Processing Room cover 40 (with reference to Fig. 4 (c), identical below) upstream side time, by workpiece feeding device 55 workpiece W dropped into from top and be installed in this workpiece accommodation section 33.Thus, workpiece W is held in workpiece accommodation section 33.Further, the lower surface of workpiece W is supported by support plate (not shown).
Next, when the tight upstream side of opening portion 42 of Processing Room cover 40 is come in the front end, direction of rotation side that transport portion 31 comes position, the i.e. transport portion 31 of the transport portion 32 in Fig. 7 (c), make baffle plate 44 (with reference to Fig. 4 (c), identical below) be moved upward and the opening portion 42 of Processing Room cover 40 and opening portion 43 (with reference to Fig. 4 (c), identical below) are opened.Now, the front end, direction of rotation side of another transport portion 32 is positioned at the tight upstream side of the opening portion 43 of Processing Room cover 40.
Transport plate 30 to continue to rotate, the transport portion 31 workpiece W being held in workpiece accommodation section 33 enters into the inside of Processing Room cover 40 by opening portion 42.On the other hand, the outside produced to Processing Room cover 40 by opening portion 43 of transport portion 32.
As shown in Fig. 7 (a), when the direction of rotation rear flank end of transport portion 31 comes the tight downstream of opening portion 42 of Processing Room cover 40, the workpiece W of foremost is in the position before grinding is about to start, and baffle plate 44 is moved and the opening portion 42 of closed Processing Room cover 40 and opening portion 43 downwards.Now, the direction of rotation rear flank end of another transport portion 32 is positioned at the tight downstream of the opening portion 43 of Processing Room cover 40.
When behind the opening portion 42 utilizing baffle plate 44 to close Processing Room cover 40 and opening portion 43, start to supply cooling medium.Now, the inside of Processing Room cover 40 is sealed relative to outside, inhibits splashing or the leakage of cooling medium.
Next, as shown in Fig. 7 (b), the transport portion 31 workpiece W being held in workpiece accommodation section 33 is moved to the grinding space G between a pair emery wheel 8,9 of rotation, carries out grinding to the upper and lower end face of workpiece W.
As shown in Fig. 7 (c), when the tight upstream side of opening portion 43 of Processing Room cover 40 is come in the front end, direction of rotation side of transport portion 31, rearmost workpiece W be in grinding just terminate after position, and stop supply cooling medium.Now, the front end, direction of rotation side of another transport portion 32 is positioned at the tight upstream side of the opening portion 42 of Processing Room cover 40.
When after stopping supply cooling medium, baffle plate 44 is made to be moved upward and to open opening portion 42 and the opening portion 43 of Processing Room cover 40.Now, owing to not supplying cooling medium, therefore there is not splashing or the leakage of cooling medium.In addition, preferably, before opening portion 42 and opening portion 43 are opened, the transport portion 31 maintaining workpiece W is blown.
Transport plate 30 to continue to rotate, the transport portion 31 workpiece W being held in workpiece accommodation section 33 is produced to outside from Processing Room cover 40 by opening portion 43.On the other hand, transport portion 32 enters into the inside of Processing Room cover 40 by opening portion 42.
And then when each workpiece accommodation section 33 of transport portion 31 is in the downstream of opening portion 43 of Processing Room cover 40, workpiece W moves downwards due to deadweight, depart from this workpiece accommodation section 33, and be taken out to outside by Work-piece picking device 56.In addition, until the position opposed with Work-piece picking device 56 immediately front till, the lower surface of workpiece W is supported by support plate (not shown).
Next, when the direction of rotation rear flank end that transport portion 31 comes position, the i.e. transport portion 31 of the transport portion 32 in Fig. 7 (a) comes the tight downstream of opening portion 43 of Processing Room cover 40, baffle plate 44 is moved and the opening portion 42 of closed Processing Room cover 40 and opening portion 43 downwards.Now, the direction of rotation rear flank end of another transport portion 32 is positioned at the tight downstream of the opening portion 42 of Processing Room cover 40.
In grinding, transport plate 30 and continue to rotate, repeat the grinding to the workpiece W being held in transport portion 31.At this, measure the rotary angle position the on-off action controlling baffle plate 44 pairs of opening portions 42,43 based on this measured value of transporting plate 30.In addition, the grinding being held in the workpiece W of transport portion 32 dephases relative to the grinding of the workpiece W remained in transport portion 31 the half cycle rotation amount transporting plate 30 to carry out, but the content of process is identical, therefore omits detailed description.
As previously mentioned, in the double-ended grinding machine 1 of present embodiment, transport plate 30 and there is a pair transport portion 31,32, this a pair transport portion 31,32 is in the fan-shaped outer shape had to transport the central angle alpha less than 90 degree centered by axle 23, and, this a pair transport portion 31,32 is formed with multiple workpiece accommodation section 33, observe from the extending direction of the centre line C L of this transport axle 23, transport the inside and outside boundary portion that axle 23 is arranged at Processing Room cover 40, along with the rotation of transporting axle 23, transport portion 31,32 passes in and out relative to the inside of Processing Room cover 40.
Therefore, according to the present embodiment, splashing or the leakage of cooling medium can be suppressed by the Processing Room cover 40 of compact structure.In addition, because the inside of transport portion 31,32 relative to Processing Room cover 40 passes in and out, therefore, it is possible to be not easy to carry out workpiece W relative to the handling of transporting plate 30 by the outside of the Processing Room cover 40 of layout restriction when not adhering to cooling medium.
That is, such double-ended grinding machine can be provided: Processing Room cover can be made miniaturized, and workpiece can be carried out in the outside of Processing Room cover relative to the handling of transporting plate.
In addition, in the present embodiment, being clipped in the middle by transport axle 23, relative position is configured with a pair transport portion 31,32.According to such structure, during can being that grinding is carried out to the workpiece W being held in a transport portion 31 (32) in the inside of Processing Room cover 40, the handling of workpiece W relative to another transport portion 32 (31) are carried out, therefore, it is possible to improve operating efficiency in the outside of Processing Room cover 40.
Above, describe the present invention based on embodiment, but the present invention is not limited to the structure recorded in described embodiment, suitably can combines or select the structure recorded in described embodiment, and can suitably change its structure without departing from the scope of spirit of the present invention.
Such as, in said embodiment, transport the transport portion 31,32 of plate 30 in fan-shaped outer shape, but the present invention is not limited thereto.As shown in Figure 8, as long as transport portion 31a, the 32a of transport plate 30a are in the outer shape had in the fan-shaped range transporting the central angle alpha less than 90 degree centered by axle 23.Such as in the variation shown in Fig. 8, transport portion 31a, 32a have respectively: arc-shaped plate portion 31b, 32b, and they are formed with workpiece accommodation section 33; With arm 31c, 32c, the inner circumferential central portion of they and arc-shaped plate portion 31b, 32b is arranged continuously, and extends inside radial direction.
In addition, in said embodiment, transport plate 30 and there is a pair transport portion 31,32, but the present invention is not limited thereto, also can be the transport plate with following such transport portion, described transport portion be in the outer shape had in the fan-shaped range transporting the central angle alpha less than 90 degree centered by axle 23.
In addition, in said embodiment, as the packaged unit of opening portion 42,43 can closing Processing Room cover 40, exemplified with the baffle plate 44 that can move up and down, but the present invention is not limited thereto.Packaged unit also can be the structure such as making the top of the rubber making sheet (not shown) of rectangular shape be fixedly installed in the rising wood of opening portion 42,43.In this case, when transport portion 31,32 passes in and out relative to Processing Room cover 40, rubber making sheet is transported portion 31,32 and presses and be out of shape, thus opens opening portion 42,43, when transport portion 31,32 is left from rubber making sheet, rubber making sheet restore and can closed peristome 42,43.
In addition, in said embodiment, the shape exemplified with workpiece W is the situation of cylindrical shape, but, as long as the shape of workpiece W can utilize double-ended grinding machine 1 to carry out the shape of grinding, can be arbitrary, such as, it can be the profiled shape beyond pin shape, coin shapes, circle.
In addition, in said embodiment, the rotating shaft of the emery wheel vertical paralleled surface grinding machine 1 along vertical direction is illustrated, but the present invention is not limited thereto, and such as, also can be applied to the Horizontal paralled surface grinding machine of rotating shaft along horizontal direction of emery wheel.
Label declaration
1: double-ended grinding machine;
2: lathe bed;
3: main body frame;
8,9: emery wheel;
23: transport axle;
25: transport drive motor (transport drive division);
30,30a: transport plate;
31,32,31a, 32a: transport portion;
33: workpiece accommodation section;
40: Processing Room cover;
42,43: opening portion;
44: baffle plate (packaged unit);
CL: center line;
W: workpiece;
α: central angle.
Claims (5)
1. a double-ended grinding machine, is characterized in that,
Described double-ended grinding machine possesses:
A pair emery wheel that can rotate, they are configured to opposite one another;
The transport axle that can rotate;
Transport plate, itself and described transport axle link, and are formed with multiple workpiece accommodation section for holding workpiece;
Transport drive division, it makes described transport axle rotate, for the workpiece being held in described workpiece accommodation section is moved to rotation described a pair emery wheel between; With
Processing Room cover, it is for suppressing splashing or the leakage of the cooling medium used when grinding,
Described transport plate has at least one transport portion, the outer shape in the fan-shaped scope of described transport portion in the central angle less than 90 degree had centered by described transport axle, and, described transport portion is formed multiple described workpiece accommodation section,
Observe from the extending direction of the center line of this transport axle, described transport axle is arranged at the inside and outside boundary portion of described Processing Room cover,
Along with described transport axle rotates, described transport portion passes in and out relative to the inside of described Processing Room cover.
2. double-ended grinding machine according to claim 1, is characterized in that,
Being clipped in the middle by described transport axle, relative position is configured with a pair to described transport portion.
3. double-ended grinding machine according to claim 1, is characterized in that,
Observe from the extending direction of the center line of described transport axle, the fan-shaped central angle by described transport axle centered by external with the outer shape of described transport portion is set to, and makes described workpiece accommodation section be accommodated in the angle in the space between the inner surface of described emery wheel and described Processing Room cover.
4. double-ended grinding machine according to claim 2, is characterized in that,
Observe from the extending direction of the center line of described transport axle, the fan-shaped central angle by described transport axle centered by external with the outer shape of described transport portion is set to, and makes described workpiece accommodation section be accommodated in the angle in the space between the inner surface of described emery wheel and described Processing Room cover.
5. the double-ended grinding machine according to any one in claim 1 to claim 4, is characterized in that,
Described Processing Room cover has the opening portion passed through for described transport portion and the packaged unit can closing described opening portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011254766A JP5285757B2 (en) | 2011-11-22 | 2011-11-22 | Double-head grinding machine |
| JP2011-254766 | 2011-11-22 | ||
| PCT/JP2012/080046 WO2013077312A1 (en) | 2011-11-22 | 2012-11-20 | Double-headed grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103945982A CN103945982A (en) | 2014-07-23 |
| CN103945982B true CN103945982B (en) | 2015-07-08 |
Family
ID=48469756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280056933.1A Expired - Fee Related CN103945982B (en) | 2011-11-22 | 2012-11-20 | Double-headed grinder |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5285757B2 (en) |
| CN (1) | CN103945982B (en) |
| TW (1) | TW201334918A (en) |
| WO (1) | WO2013077312A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690248A (en) * | 2016-04-14 | 2016-06-22 | 湖南汉诺科技有限公司 | Spindle feeding device of double-plane grinding machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201168901Y (en) * | 2008-03-26 | 2008-12-24 | 湖南宇环同心数控机床有限公司 | Double-ended grinding machine continuous feed gear |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63207549A (en) * | 1987-02-19 | 1988-08-26 | Daisho Seiki Kk | Vertical duplex head surface grinding machine |
| JP2640357B2 (en) * | 1988-04-30 | 1997-08-13 | 株式会社日平トヤマ | Vertical wheel grinding wheel changer |
| JP3964150B2 (en) * | 2001-04-16 | 2007-08-22 | 株式会社リケン | Double-head surface grinding method and apparatus |
| JP4153863B2 (en) * | 2003-10-27 | 2008-09-24 | 三菱重工業株式会社 | Washer polisher |
-
2011
- 2011-11-22 JP JP2011254766A patent/JP5285757B2/en not_active Expired - Fee Related
-
2012
- 2012-11-01 TW TW101140464A patent/TW201334918A/en not_active IP Right Cessation
- 2012-11-20 WO PCT/JP2012/080046 patent/WO2013077312A1/en active Application Filing
- 2012-11-20 CN CN201280056933.1A patent/CN103945982B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201168901Y (en) * | 2008-03-26 | 2008-12-24 | 湖南宇环同心数控机床有限公司 | Double-ended grinding machine continuous feed gear |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5285757B2 (en) | 2013-09-11 |
| TW201334918A (en) | 2013-09-01 |
| WO2013077312A1 (en) | 2013-05-30 |
| CN103945982A (en) | 2014-07-23 |
| JP2013107173A (en) | 2013-06-06 |
| TWI561340B (en) | 2016-12-11 |
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Granted publication date: 20150708 Termination date: 20181120 |