JP4654334B2 - Method and apparatus for holding workpiece on workpiece holder - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to retain method and apparatus of the workpiece to hold the workpiece in the workpiece holder to be used in carrying soft workpiece such as a ceramic green sheet in the machining process and the printing process of drilling such .
[0002]
[Prior art]
Conventionally, a soft workpiece such as a ceramic green sheet is detachably held in a planar frame-shaped jig called a workpiece holder, and is carried into a desired processing machine such as drilling or a printing machine.
In such a structure for holding a work on the work holder, a tape is stuck on the four circumferences of the upper surface of the work holder, the work is held with the tape, and a laminate film is adhered to the upper or lower surface of the work.
The laminate film on the lower surface protects the workpiece during conveyance, and the laminate film on the upper surface is effective for preventing dregs rising during drilling.
[0003]
By the way, in the case of such a holding structure, since the work is not supported except for the edge of the work, there is a problem that the work tends to be loosened, and high-precision drilling or the like cannot be performed due to the looseness error.
In addition, the tape having a width of about 10 mm is stuck across the workpiece on the side 4 of the work holder or the side 2 of the opposite frame of the work holder. It is necessary to stick the tape with a relatively large strength to hold the workpiece, and the tape peeling work before moving to the firing process is very troublesome, and sometimes the work holder is rubbed when peeling. There is a problem that the work holder is damaged, the work sticking surface is damaged, and a special peeling machine is required.
Furthermore, a laminating film adhering process for adhering the laminating film to the work and a tape adhering process for adhering the work to the work holder with a tape are separately required. There was also a problem that became complicated.
[0004]
[Problems to be solved by the invention]
The present invention has been made in view of the above conventional circumstances, processing and an object thereof is to the Turkey to improve the machining accuracy giving waist workpiece with adhesive means for holding the workpiece in the workpiece holder.
Processing to another object is to easily be Rukoto peeling adhesive means for holding the workpiece in the workpiece holder.
Further processing to another object is the Turkey to improve workability by reduction the holding step to Wakuhoru da work.
[0005]
[Means for Solving the Problems]
The technical means taken in order to solve the above-mentioned object is to adhere the laminate film between at least the upper surface or the lower surface of the pair of opposing structural frame portions or between the upper and lower surfaces of the opposing pair of structural frame portions. is allowed, Oh Ru by adhesive work the laminate film as a carrier.
This laminate film, even if the opening portion of the workpiece holder are adhesive over the upper surface or the lower surface or the upper and lower surfaces of the workpiece holder so as to completely cover further three component pane upper surface but one component pane part Or may be adhered across the lower surface.
Further, when the laminate film is adhered between at least a pair of opposing bottom surfaces of the workpiece holder, the laminate film prevents the workpiece from loosening and prevents the laminate film from facing at least. If the workpiece is adhered to the upper and lower surfaces of the frame and the workpiece has a sandwich structure with a laminate film, further rigidity is provided, and the punch can be easily removed when drilling.
[0006]
Further, the strength of the wide area of the laminate film effectively receives the weight of the workpiece, and enables the laminate film to be held on the workpiece holder with a relatively low adhesive force. Then, the when you are sandwiched work above and below the laminate film, increases the rigidity the strength of the laminate film, put the flatness allows for retention of the workpiece holder at a lower adhesive strength, work The processing accuracy due to slackening of the laminate film is improved, and peeling of the laminate film from the workpiece and the workpiece holder at the stage before shifting to the firing step is facilitated.
[0007]
Furthermore, in the method, the workpiece holder in which the workpiece is arranged in the open portion is conveyed by the conveyance portion, and the laminate film to be fed is pressed by a pressing means that adheres the workpiece holder to the workpiece holder, and is cut to a predetermined length. Ru der which is characterized in that to the adhesive laminate film over the lower surface of the lower surface and the workpiece upper surface or workpiece holder of the upper surface and the workpiece.
In this means, for example, a work is placed on the guide table, and the work on the guide table is driven (pushed) by the work holder transported by the transport unit, and an opening is provided in the middle of the guide table. An example of means for adhering the laminate film to the upper surface of the work holder, the upper surface of the work, the lower surface of the work holder, or the lower surface of the work from above or below using the opening while conveying the work and the work holder together in the conveying unit. Can be proposed as
[0008]
In this means, the release paper is peeled from the laminate roll and the laminate film cut to a predetermined length by the cutter means is adhered to the upper surface of the work and the upper surface of the work holder or the lower surface of the work and the lower surface of the work holder. Thus, the frame attachment of the workpiece to the work holder by the laminate film and the polymerization (adhesion) of the laminate film with the workpiece are simultaneously performed.
[0009]
In addition, a laminate film is provided between the transport units while the transport unit is disposed at an interval across the work holder downstream from the transport unit, and the work holder is transported from the transport unit to the transport unit on the downstream side. The laminate film may be adhered to the lower surface of the work holder and the lower surface of the work or the upper surface of the work holder and the upper surface of the work. Oh Ru.
[0010]
This means, the La Mi titanate film, if you are adhesive over the top surface of the upper surface and the workpiece holder of the workpiece is a laminated film, it is adhered over the lower surface of the lower surface of the workpiece and the workpiece holder was or, When the laminate film is adhered over the lower surface of the work and the lower surface of the work holder, the laminate film is adhered over the upper surface of the work and the upper surface of the work holder, and the work holder of the work made of the laminate film is used. The film is stretched and the laminate film is polymerized (adhered) from above and below during the work transport process.
[0011]
In the apparatus, a laminating roll that supplies a laminate film above a conveying unit that conveys a work holder in which a workpiece is placed in an open part, a feeding means for supplying the laminate film from the laminating roll toward the conveying unit, and the laminate film having a predetermined length each disposed cutter means for cutting the to, Ru der which is characterized in that its has a laminate film was further attached to means pressing to adhere over the upper surface and the upper surface of the workpiece of the workpiece holder.
[0012]
In addition, as a device, a transport unit is disposed further downstream from the transport unit with an interval across the work holder, a laminate roll below, and a direction between the transport unit and the downstream transport unit from the laminate roll. A feeding means for feeding the laminated film and a cutter means for cutting the laminated film into a predetermined length are provided, and a pressing means for adhering the laminated film over the lower surface of the work holder and the lower surface of the work is further provided. adopted the configuration Ru der those may be.
[0013]
In addition, a dust removing roller for removing dust on the upper surface of the work placed on the work holder before adhering the laminate film and a dust removing roller for removing dust adhering to the lower surface of the work before adhering the laminate film are provided. When Ru der preferred.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Referring next to the embodiment of the present onset Ming embodiment, FIGS. 1 to 3 show the holding structure of the workpiece to the work holder, 4, 5 of an apparatus for carrying out the method of holding the workpiece to the work holder Specific examples are shown as embodiments.
[0015]
In FIG. 1 to FIG. 3, the symbol A is a work holder.
FIG. 1 shows an upper surface of a work holder A, that is, a structural frame portion A1,... So as to cover a workpiece W such as a ceramic green sheet disposed in an open portion of the work holder A having a well-known planar view frame shape from above. The laminate film B is detachably stuck over the workpiece W, and the workpiece W is adhered and held with the laminate film B as a holder.
[0016]
Further, FIG. 2 shows a laminated film B over each upper surface of the component frame A1 of the work holder A so as to cover the work W such as a ceramic green sheet disposed on the open part of the work holder A from both the upper and lower sides. It has a structure in which the workpiece W is held in a sandwich shape with the laminate film B as a holding body, which is adhered so as to be peelable.
[0017]
3 has a structure in which the workpiece W is adhered and held by a laminate film B that adheres in a peelable manner across the lower surface of the workpiece holder A, contrary to FIG.
[0018]
The laminate film B is formed of a resin material such as polyethylene terephthalate or polyester.
[0019]
Next, description will be made based on a holding device that implements a method of holding a workpiece. FIG. 4 shows a holding device M that adheres a laminate film B to one side, specifically, the upper surface of the work holder A. Reference numeral 1 denotes It is a transport unit.
[0020]
The transport unit 1 is positioned by stopper portions 21 and 21 projecting at an interval from both parallel chains 11 and 11 to place the work holder A across the chains 11 and 11. 11 is placed on the guide table 31 laid between the upper half portions of the work holder A. When the work holder A is moved downstream by the drive of the drive source, the work holder A The work W in the opening portion is configured to follow the work holder B.
[0021]
Further, an insertion space 311 for the laminate film B is opened at a desired position of the guide table 31 of the transport unit 1, and dust removal for removing dust adhering to the upper surface of the work W on the upstream side close to the insertion space 311 is performed. A roller 8 is rotatably provided.
[0022]
The dust removing roller 8 is rotated by contact pressure between the dust removing roller 18 having a low adhesive force that rotates in contact with the workpiece W under the conveying force of the conveying unit 1 and the dust removing roller 18 and adheres to the dust removing roller 18. The dust receiving roller 28 has a strong adhesive force for peeling off the dust and the like, and removes dust adhering to the upper surface of the workpiece W before the laminate film B is adhered.
[0023]
In addition, a laminating roll 2, a feeding unit 3, and a cutter unit 4 are disposed above the transport unit 1, and a pressing unit 5 is disposed in the insertion space 311.
[0024]
The laminating roll 2 supports the original film of the laminating film B on a support shaft, and the laminating film B is sandwiched between feeding means (hereinafter referred to as feeding rollers) 3 and 3 through an intermediate roller 6 while peeling the release paper B1. Thus, the laminate film B addressed to a predetermined length is controlled to be fed in synchronization with the pair of upper and lower feed rollers 3 and 3.
[0025]
Cutter means 4 for cutting the laminate film B into a predetermined length is disposed in the lower part of the feed rollers 3 and 3 in the vicinity of the conveying unit 1 side, and further below the cut laminate film B. Are provided on the upper surface of the work holder A and the upper surface of the work W, that is, pressing rollers 5 and 5 are disposed.
[0026]
The pressing rollers 5 and 5 are disposed in the insertion space 311 described above by the lower rollers 5.
[0027]
Further, the conveyance of each work holder A by the conveyance unit 1, the supply of the laminate film B from the pair of upper and lower feed rollers 3 and 3, the cutting of the laminate film B by the cutter means 4, and the like are controlled in timing. 5,5 laminate film B by sandwiching the push of example one Keru way workholder a from above and below, the work holder so as to cover the laminated film B that has been cut by the cutter unit 4 to the open portion of the workpiece holder a from above The laminate film B is adhered to the upper surface of the component frame A1.
In addition, since there is a difference in thickness between the work holder A thickness and the work W thickness, the pressing rollers 5, 5 may change the diameter between a portion adhered to the work holder A and a portion adhered to the workpiece W. , molding the peripheral surface of an elastically deformable material, to absorb the difference thickness by its elastic deformation, has a structure to be adhered to the upper surface of the upper surface and the workpiece W in the workpiece holder a during pressing of decorative.
[0028]
Therefore, in this holding method, the laminating film B is formed over the upper surface of the work frame A from which the dust is removed during the conveying process of the work holder A in which the work W is disposed in the open portion. The structure for holding the workpiece W to the workpiece holder A can be configured by adhering.
[0029]
Of course, the laminate film B may be adhered to the lower surface of the work holder A and the lower surface of the work W from below using the insertion space 311 formed in the guide table 31. In that case, the laminating roll 2, the feeding means 3, the cutter means 4, and the pressing means 5 are each arrange | positioned in the downward position of the conveyance part 1. FIG.
[0030]
Next, based on an apparatus for carrying out the work holding method for adhering the laminate films B and B to the upper and lower surfaces shown in FIG. 5, this embodiment is a structural frame part A1 of the work holder A described above. Downstream of the above-described holding device M (hereinafter referred to as a first holding device) for adhering the laminate film B across the upper surface of A and the upper surface of the work W, the constituent frame portion A1. A second holding device M1 for adhering the laminate film B across the lower surface is provided to adhere the work W to the laminate films B and B from both the upper and lower sides in a series of conveying steps.
[0031]
This 2nd holding | maintenance apparatus M1 provides two conveyance parts 7 and 7 on the downstream extension of the conveyance part 1 in the above-mentioned 1st holding | maintenance apparatus M in the space | interval which the work holder A straddles, and also laminate roll 2, Each of the feeding means 3, the cutter means 4, the pressing means 5, and the dust removing roller 8 is disposed.
[0032]
The conveyance unit 7 is configured by arranging two conveyance units having the same configuration as that of the above-described embodiment using the guide table 31 that does not open the insertion space 311 with a gap across the work holder A. ing.
And sandwiching the work holder A to which the laminate film B is adhered on the upper surface by the dust removing roller 8 and the dust removing roller 18 between the transport unit 1 and the transport unit 7 on the downstream side. The roller 9 is provided so as to be rotatable, and the dust removing roller 18 and the clamping roller 9 receive the conveying force of the conveying unit 1 to remove dust adhering to the lower surface of the workpiece W, while the workpiece holder is attached to the conveying unit 7. A is transported.
[0033]
The laminating roll 2, the intermediate roller 6, the feeding means (a pair of feeding rollers) 3 and 3 for feeding the laminated film B upward, and the cutter means 4 for cutting the laminated film B into a predetermined length are provided below the conveying unit 7. The pressing means (pressing rollers) 5 and 5 that are disposed and adhere the cut laminate film B to the work holder A are disposed between the transporting units 7 and 7.
[0034]
Then, in the same manner as the first holding device M, the release paper B1 is peeled from the laminate film B while being fed between the transport section 7 and the downstream transport section 7 by the pair of feed rollers 3, 3. cutting the workpiece holder a to a predetermined length dimension press of decorative, a cutter unit 4 as in the upper and lower pressing rollers 5,5 is sandwiched between to adhere the laminate film B while feeding the conveyance portion 7 side of the downstream to Then, the laminating film B is adhered to the frame A1 of the work holder A over the upper surface and the lower surface of the work W.
[0035]
Therefore, in this holding method, after adhering the laminate film B to the upper surface of the work holder A and the upper surface of the work W in the transport unit 1 of FIG. 4 described above, while continuously transporting from the transport unit 1 to the transport unit 7, The laminate film B is further adhered to the lower surface of the work holder A and the lower surface of the work W, and the work is held on the work holder having excellent rigidity with the upper and lower laminate films B and B being adhered in a sandwich shape. A structure can be constructed.
[0036]
Of course, in this embodiment, after the laminate film B is adhered to the lower surface of the work holder A and the lower surface of the work W by the transport unit 1 shown in FIG. 4, the transport unit 1 continuously transports the transport film 7 to the transport units 7 and 7. On the other hand, the laminate film B is further adhered over the upper surface of the work holder A and the upper surface of the workpiece W, and the workpiece W is adhered to the upper and lower laminate films B and B in a sandwich-like manner. The work holding structure may be configured.
In this case, the laminating roll 2, the feeding means 3, and the cutter means 4 of the second holding device M <b> 1 are disposed in the upper position of the transport unit 7 to deal with it.
[0037]
As described above, the embodiment of the present invention also uses the laminate film that adheres to the workpiece as a means for frame-mounting the workpiece on the workpiece holder, so that the structure is simple compared to the case where the tape and the laminate film are used in combination. This also solves the hassle of workability of attaching the tape and laminate film separately when holding the work on the work holder, and the work is prevented from loosening by the reinforcement of the laminate film on the work. Further, processing accuracy such as drilling can be improved.
In addition, since the strength of the wide area of the laminate film effectively receives the weight of the workpiece, it is possible to adhere the laminate film to the work holder with a relatively low adhesive force, and the adhesive strength as with conventional tapes As a result, there is no possibility of damaging the work holder or the workpiece attachment surface at the time of peeling, and peeling can be performed easily.
In addition, when the laminate film is provided on both the upper and lower surfaces of the work holder, the strength and rigidity are higher than those of single-sided adhesion. Therefore, the laminate film can be adhered to the work holder with a lower adhesive force to facilitate peeling. In addition, it is possible to increase the processing accuracy by providing flatness to the workpiece.
Moreover, while conveying the work holder arranged to work in the open release portion, using polymerization of the laminate film to the frame clad and the workpiece to the work of the workpiece holder and (adhesive) is a laminate film during the process of transporting a workpiece It is possible to provide a method and apparatus for holding a work on a new work holder that can be used.
The polymerization of the laminate film to the frame clad and the workpiece to the work holder of a work to remove the dust deposited with (adhesive) and is performed during the conveying step, also fear that workpiece machining accuracy may be impaired by dust adhered Absent.
[Brief description of the drawings]
[1] a longitudinal sectional view which is an embodiment of the workpiece holding structure to word Kuhoruda, is adhered to the workpiece a laminate film was adhered to the top surface of work holder so as to cover the opening portion of the workpiece holder as a holding member The holding structure is shown.
[Figure 2] a longitudinal sectional view showing another embodiment of the holding structure of the workpiece to Wa Kuhoruda, a laminate film was adhered to the upper and lower surfaces of the workpiece holder so as to cover the opening portion of the workpiece holder as a holding member The holding structure to which the workpiece is adhered is shown.
FIG. 3 is a longitudinal sectional view showing another embodiment of a work holding structure for a work holder, in which the work is held using a laminate film adhered to the lower surface of the work holder so as to cover the open part of the work holder. The holding structure which is made to adhere is shown.
[4] The embodiment of the holding device of a work to the word Kuhoruda a side view schematically showing, shows the case of adhesive laminate film upper surface of the workpiece holder, the upper surface of the workpiece.
[5] Another embodiment of the holding device of a work to the word Kuhoruda a side view schematically showing, shows the case of adhesive laminate film on the upper and lower surfaces of the workpiece holder.
[Explanation of symbols]
A: Work holder A1: Component frame part of work holder B: Laminate film W: Work piece 1: Conveying part 7: Conveying part 2: Laminating roll 3: Feeding means 4: Cutter means 5: Pressing means 8: Dust removing roller M: Holding device (first holding device)
M1: Holding device (second holding device)

Claims (3)

  While conveying the work holder in which the work is arranged in the open part by the conveying part, the laminate film to be fed is cut to a predetermined length while being pressed by a pressing means that adheres to the work holder, and the upper surface of the work holder and the upper surface of the work or A method of holding a work on a work holder that adheres a laminate film across the lower surface of the work holder and the lower surface of the work,
  A transport unit is disposed downstream of the transport unit with an interval over which the work holder straddles, and the laminate film fed between the transport units is transferred to the downstream transport unit from the transport unit while the work holder is transported. The workpiece holder is characterized in that the laminate film is adhered to the lower surface of the workpiece holder and the lower surface of the workpiece or the upper surface of the workpiece holder and the upper surface of the workpiece while being pressed to the holder by a pressing means. Work holding method.   A laminating roll that supplies a laminate film above a conveying unit that conveys a work holder in which a work is placed in an open part, a feeding unit that supplies the laminating film from the laminating roll toward the conveying unit, and the laminate film is cut to a predetermined length. Each of the cutter means is disposed, and a work holding device to the work holder further provided with pressing means for adhering the laminate film over the upper surface of the work holder and the upper surface of the work,
  A conveyance unit is arranged further downstream from the conveyance unit with an interval across the work holder, a laminate roll below, and a laminate film is fed in from the laminate roll in a direction between the conveyance unit and the conveyance unit on the downstream side. And cutter means for cutting the laminate film into a predetermined length, respectively, and further comprising pressing means for adhering the laminate film over the lower surface of the work holder and the lower surface of the work. Workpiece holding device to workholder.   The apparatus for holding a work on a work holder according to claim 2, further comprising a dust removing roller for removing dust adhering to the lower surface of the work before adhering the laminate film.

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