TWI516332B - Processing fixture - Google Patents
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- TWI516332B TWI516332B TW102107322A TW102107322A TWI516332B TW I516332 B TWI516332 B TW I516332B TW 102107322 A TW102107322 A TW 102107322A TW 102107322 A TW102107322 A TW 102107322A TW I516332 B TWI516332 B TW I516332B
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Description
本發明係與加工治具有關;特別是指一種提供有穩固結合效果的加工治具。 The invention is related to processing and treatment; in particular, it relates to a processing fixture which provides a stable bonding effect.
已知加工治具因加工方法及用途不同而有多種結構型態。以放電加工使用的加工治具為例,通常包括有一基座與一工件座,該基座固設於放電加工機具中,該工件座上設置有待加工金屬件,且該工件座以可拆離的方式與該基座配置,目的在於方便取下該工件座與該待加工金屬件並重新換裝。前述加工治具具有重複利用性,且適用於生產大量瑕疵少及變異性低的製品。又,為便於快速地將該工件座組裝於該基座上,該已知加工治具之基座與工件座之間是以凹凸結構配合而為對準,常見者是於該基座之表面上設置有複數個凸塊,該些凸塊呈對稱設置,再於該工件座之表面設置有複數個凹槽,透過凸塊與凹槽的結合以達到對位組裝目的。 It is known that processing jigs have various structural forms due to different processing methods and uses. For example, the processing jig used in electric discharge machining generally includes a base and a workpiece holder, and the base is fixed in an electric discharge machining tool, the workpiece seat is provided with a metal piece to be processed, and the workpiece seat is detachable The manner of the base is configured to facilitate removal of the workpiece holder and the metal piece to be processed and re-replacement. The aforementioned processing jig has recyclability and is suitable for producing a large number of products with low variability and low variability. Moreover, in order to facilitate the quick assembly of the workpiece holder on the base, the base of the known processing fixture and the workpiece holder are aligned with the concave-convex structure, which is common on the surface of the base. A plurality of bumps are disposed on the plurality of bumps, and the bumps are symmetrically disposed, and a plurality of grooves are disposed on the surface of the workpiece holder to achieve the alignment assembly by the combination of the bumps and the grooves.
然而,各凸塊與各凹槽的實際尺寸因存在加工裕度問題,使得凸塊與凹槽在嵌合時易產生干涉,致使凸塊與凹槽之間留有餘隙,而在不同嵌合部位之凸塊與凹槽之間的餘隙不均時,將導致安裝於該工件座上的待加工金屬件之加工精度發生誤差,申言之,當餘隙過度不均時,影響待加工金屬件的加工精度誤差越為顯著。 However, the actual size of each bump and each groove has a machining margin problem, so that the bump and the groove are likely to interfere when being fitted, so that a gap is left between the bump and the groove, and the fitting is different. When the clearance between the bump and the groove of the part is uneven, the processing precision of the metal piece to be processed mounted on the workpiece base may be inaccurate, and the effect is that when the clearance is excessively uneven, the influence is to be processed. The processing precision error of the metal parts is more remarkable.
有鑑於此,本發明之目的用於提供一種加工治具,係可確保待加工金屬件的加工精度。 In view of the above, an object of the present invention is to provide a processing jig that ensures the processing accuracy of a metal member to be processed.
緣以達成上述目的,本發明所提供之加工治具包含一基座、複數個凸塊與一工件座。其中該基座具有一表面;各該凸塊設置於該基座並突起於該基座表面,且各該凸塊具有二結合面;該工件座以可拆離的方式與該基座配置,該工件座具有對應該基座上之各該凸塊配置的複數對夾塊與複數對固定塊,每一對夾塊之間設置一該凸塊,且每一對夾塊具有相面對之二拘束面分別與所對應該凸塊之結合面接觸,每一對固定塊之間亦設置一該凸塊,且每一對固定塊具有相面對之二夾持面分別與所對應該凸塊之結合面接觸;其中,每一對夾塊係受外力作用變形,以使該二拘束面之間的距離為可變動距離,每一對固定塊之該二夾持面之間為固定距離。 In order to achieve the above object, the processing jig provided by the present invention comprises a base, a plurality of bumps and a workpiece holder. The pedestal has a surface; each of the protrusions is disposed on the pedestal and protrudes from the surface of the pedestal, and each of the protrusions has a combined surface; the workpiece holder is detachably disposed with the pedestal. The workpiece holder has a plurality of pairs of clamping blocks and a plurality of pairs of fixed blocks corresponding to each of the bumps on the base, and each of the pair of clamping blocks is provided with the protruding block, and each pair of clamping blocks has a facing surface The two restraining faces are respectively in contact with the bonding faces of the corresponding bumps, and each of the pair of fixing blocks is also provided with one of the bumps, and each pair of the fixed blocks has opposite facing faces and corresponding convex portions respectively The joint surface of the block is contacted; wherein each pair of clips is deformed by an external force such that the distance between the two restraining faces is a variable distance, and a fixed distance between the two clamping faces of each pair of fixed blocks .
本發明之效果在於利用每一對夾塊具有受外力作用而適度變形的能力,以有效修正存在於該基座上之各凸塊與該工件座之各固定塊之間的餘隙問題,進而確保待加工金屬件的加工精度。 The effect of the invention is to utilize the ability of each pair of clips to be moderately deformed by an external force, so as to effectively correct the clearance problem between the bumps existing on the base and the fixed blocks of the workpiece holder, and further Ensure the machining accuracy of the metal parts to be processed.
100‧‧‧加工治具 100‧‧‧Processing fixture
10‧‧‧基座 10‧‧‧ Pedestal
10a‧‧‧表面 10a‧‧‧ surface
12‧‧‧第一溝槽 12‧‧‧First trench
14‧‧‧第二溝槽 14‧‧‧Second trench
20‧‧‧凸塊 20‧‧‧Bumps
22‧‧‧頂面 22‧‧‧ top surface
24‧‧‧結合面 24‧‧‧ joint surface
30‧‧‧工件座 30‧‧‧Workpiece holder
30a‧‧‧表面 30a‧‧‧ surface
32‧‧‧第一凹槽 32‧‧‧First groove
34‧‧‧第二凹槽 34‧‧‧second groove
36‧‧‧固定塊 36‧‧‧Fixed blocks
36a‧‧‧夾持面 36a‧‧‧ clamping surface
38‧‧‧夾塊 38‧‧‧Clamps
38a‧‧‧拘束面 38a‧‧‧Constrained
38b‧‧‧底面 38b‧‧‧ bottom
H1‧‧‧第一高度 H1‧‧‧ first height
H2‧‧‧第二高度 H2‧‧‧second height
H3‧‧‧第三高度 H3‧‧‧ third height
圖1為本發明一較佳實施例加工治具之分解立體圖。 1 is an exploded perspective view of a processing jig according to a preferred embodiment of the present invention.
圖2為圖1所示加工治具的組合立體圖。 Fig. 2 is a perspective view showing the combination of the processing jig shown in Fig. 1.
圖3為一平面圖,揭示基座上的凸塊與工件座之固定塊及夾塊的結合關係。 Figure 3 is a plan view showing the bonding relationship between the bumps on the base and the fixed blocks and the blocks of the workpiece holder.
圖4為圖3之4-4方向剖視圖。 Figure 4 is a cross-sectional view taken along line 4-4 of Figure 3;
圖5為圖3之5-5方向剖視圖。 Figure 5 is a cross-sectional view taken along line 5-5 of Figure 3;
為能更清楚地說明本發明,茲舉較佳實施例並配合圖示詳細說明如后,請參圖1至圖3所示,為本發明一較佳實施例之加工治具100,其包括有一基座10、複數個凸塊20與一工件座30。 The present invention will be described in more detail with reference to the accompanying drawings. FIG. 1 to FIG. 3, which is a processing tool 100 according to a preferred embodiment of the present invention, including There is a base 10, a plurality of bumps 20 and a workpiece holder 30.
該基座10係固定安裝於加工機具(圖未示)上,在本實施例中,該基座10呈圓盤體。該基座10具有一表面10a,及自該表面10a凹設有二第一溝槽12與二第二溝槽14,其中該二第一溝槽12沿著同一X軸向而呈前後設置,該二第二溝槽14沿著同一Y軸向而呈前後設置,且該X軸向與該Y軸向為垂直交設。 The base 10 is fixedly mounted on a processing tool (not shown). In the present embodiment, the base 10 is a disk body. The pedestal 10 has a surface 10a, and two first trenches 12 and two second trenches 14 are recessed from the surface 10a. The two first trenches 12 are disposed back and forth along the same X-axis. The two second grooves 14 are disposed forward and backward along the same Y-axis direction, and the X-axis direction is perpendicular to the Y-axis direction.
該些個凸塊20分別設置於該基座10之各該第一溝槽12與各該第二溝槽14中,又以設置接近該基座10周緣為佳。請續配合圖4及圖5所示,各該凸塊20的上半部係突起於該基座10表面10a外,且突出部分具有一頂面22及二結合面24,其中各凸塊20之頂面22至該基座10表面10a的垂直向距離為一第一高度H1,該二結合面24為自所屬凸塊20頂面22朝下且朝外傾斜設置。 The bumps 20 are respectively disposed in the first trenches 12 and the second trenches 14 of the susceptor 10, and are preferably disposed close to the periphery of the susceptor 10. 4 and FIG. 5, the upper half of each of the protrusions 20 protrudes from the surface 10a of the base 10, and the protruding portion has a top surface 22 and two joint surfaces 24, wherein each of the bumps 20 The vertical distance from the top surface 22 to the surface 10a of the base 10 is a first height H1, and the two joint surfaces 24 are disposed downward from the top surface 22 of the associated bump 20 and outwardly.
該工件座30是以可拆離的方式與該基座10配置,該工件座30具有一表面30a,及自該表面30a凹設有二第一凹槽32與二第二凹槽34,其中該二第一凹槽32沿著該X軸向而為前後設置,該二第二凹槽34沿著該Y軸向而為前後設置,於此定義,每一相鄰的第一凹槽32與第二凹槽34之間係各形成有一扇形的固定塊36,如圖3所示,本實施例之該工件座30係具有四個固定塊36,每一固定塊36的側面為一夾持面36a,由於該工件座30為堅實結構,且 各該第一凹槽32與各該第二凹槽34的槽寬不大,因此使得兩個相鄰固定塊36之相面對的夾持面36a之間始終為固定距離。 The workpiece holder 30 is detachably disposed with the base 10, the workpiece holder 30 has a surface 30a, and two first grooves 32 and two second grooves 34 are recessed from the surface 30a. The two first grooves 32 are disposed forward and backward along the X-axis, and the two second grooves 34 are disposed forward and backward along the Y-axis, and each adjacent first groove 32 is defined herein. A fan-shaped fixing block 36 is formed between each of the second recesses 34. As shown in FIG. 3, the workpiece holder 30 of the embodiment has four fixing blocks 36, and the side of each fixing block 36 is a clip. Holding the surface 36a, since the workpiece holder 30 has a solid structure, and The groove width of each of the first groove 32 and each of the second grooves 34 is not large, so that the facing faces of the two adjacent fixing blocks 36 are always at a fixed distance.
該工件座30另於各該第一凹槽32與各該第二凹槽34中分別設置有一對獨立結構的夾塊38,如圖5所示,每一對夾塊38位於接近該工件座30周緣處,且每一對夾塊38具有相面對的二拘束面38a,及於該二拘束面38a之間具有一底面38b,該底面38b至該對夾塊38頂緣的垂直向距離為一第二高度H2。又,該工件座30之各該第一凹槽32與各該第二凹槽34的槽底至該工件座30表面30a的垂直向距離為一第三高度H3,且該第三高度H3大於該第二高度H2,藉此,使得各該對夾塊38在遭遇非垂直該工件座30表面30a的側向外力作用時可適度的變形,以使相面對之該二拘束面38a之間的距離為可變動距離。又,該第二高度H2大於該第一高度H1,可避免凸塊20頂面22不慎觸抵所對應之該底面38b。 The workpiece holder 30 is further provided with a pair of independent structural clips 38 in each of the first recess 32 and each of the second recesses 34. As shown in FIG. 5, each pair of clips 38 is located adjacent to the workpiece holder. At the 30th circumference, each pair of clips 38 has a facing two restraining surface 38a, and a bottom surface 38b between the two restraining surfaces 38a, the vertical distance of the bottom surface 38b to the top edge of the pair of clips 38 It is a second height H2. Moreover, the vertical distance between the first groove 32 of the workpiece holder 30 and the groove bottom of each of the second grooves 34 to the surface 30a of the workpiece holder 30 is a third height H3, and the third height H3 is greater than The second height H2 is such that each of the pair of clamping blocks 38 can be moderately deformed when subjected to a side outward force that is not perpendicular to the surface 30a of the workpiece holder 30 so that the opposing faces 38a face each other. The distance is a variable distance. Moreover, the second height H2 is greater than the first height H1, so that the top surface 22 of the bump 20 is prevented from inadvertently touching the corresponding bottom surface 38b.
在上述中,該工件座30之每一對夾塊38的該二拘束面38a係配合所對應結合面24而為斜面,每一對固定塊36的該二夾持面36a亦配合所對應結合面24而為斜面。故如圖3所示,在該工件座30組裝於該基座10時,透過結合面24、夾持面36a及拘束面38a為斜面接觸,使得該工件座30的每一對夾塊38順利嵌入一個對應的凸塊20,以及每一對固定塊36亦順利嵌入有該凸塊20。且由於各該對夾塊38是位於接近該工件座30的周緣,因此每一個凸塊20的前半部為該二拘束面38a所對夾,每一個凸塊20的後半部則為該二夾持面36a所穩固夾持。 In the above, the two restraining faces 38a of each pair of the clamping blocks 38 of the workpiece holder 30 are inclined with the corresponding bonding faces 24, and the two clamping faces 36a of each pair of fixing blocks 36 are also matched with the corresponding combination. Face 24 is a bevel. Therefore, as shown in FIG. 3, when the workpiece holder 30 is assembled to the base 10, the through-bonding surface 24, the clamping surface 36a, and the restraining surface 38a are in inclined contact, so that each pair of the clamping blocks 38 of the workpiece holder 30 is smooth. A corresponding bump 20 is embedded, and each pair of fixed blocks 36 is also embedded with the bump 20. And since each of the pair of clamping blocks 38 is located near the circumference of the workpiece holder 30, the front half of each of the projections 20 is a pair of the two restraining faces 38a, and the second half of each of the projections 20 is the two-clamping portion. The holding surface 36a is firmly clamped.
上述該工件座30之每一對夾塊38及每一對固定塊36是以對應該基座10上之各個凸塊20而為配置,當 各該對固定塊36與所對應凸塊20嵌合並因加工裕度問題,導致可能的餘隙產生時,透過各該對夾塊38提供的適度變形以修正存在於該基座10上之各凸塊20與該工件座30之各固定塊36之間的餘隙,如此可確保待加工金屬件的加工精度。同時,各該對固定塊36因其二夾持面36a之間保持固定距離,可對抗該加工治具100承受側向外力時對各該對夾塊38造成的剪力破壞。 Each pair of clamping blocks 38 and each pair of fixing blocks 36 of the above-mentioned workpiece holder 30 are configured corresponding to the respective bumps 20 on the base 10, when Each of the pair of fixing blocks 36 is fitted to the corresponding bump 20 and, due to a processing margin problem, causes a possible clearance to be generated, and the moderate deformation provided by each of the pair of clips 38 is corrected to correct the presence on the base 10. The clearance between the bumps 20 and the respective fixing blocks 36 of the workpiece holder 30 ensures the machining accuracy of the metal parts to be processed. At the same time, each of the pair of fixing blocks 36 maintains a fixed distance between the two clamping faces 36a, and can resist the shearing damage to the pair of clamping blocks 38 when the processing jig 100 receives the lateral outward force.
以上所述僅為本發明較佳可行實施例而已,其中之各凸塊20雖是以另行組裝的方式而與該基座10結合,但不排除凸塊是直接成型於基座表面,以提供對位效果。故舉凡應用本發明說明書及申請專利範圍所為之等效變化,理應包含在本發明之專利範圍內。 The above description is only a preferred embodiment of the present invention, wherein each of the bumps 20 is combined with the base 10 in a separately assembled manner, but it is not excluded that the bumps are directly formed on the surface of the base to provide Matching effect. Therefore, equivalent changes to the scope of the invention and the scope of the patent application are intended to be included in the scope of the invention.
100‧‧‧加工治具 100‧‧‧Processing fixture
10‧‧‧基座 10‧‧‧ Pedestal
10a‧‧‧表面 10a‧‧‧ surface
12‧‧‧第一溝槽 12‧‧‧First trench
14‧‧‧第二溝槽 14‧‧‧Second trench
20‧‧‧凸塊 20‧‧‧Bumps
22‧‧‧頂面 22‧‧‧ top surface
24‧‧‧結合面 24‧‧‧ joint surface
30‧‧‧工件座 30‧‧‧Workpiece holder
30a‧‧‧表面 30a‧‧‧ surface
32‧‧‧第一凹槽 32‧‧‧First groove
34‧‧‧第二凹槽 34‧‧‧second groove
36‧‧‧固定塊 36‧‧‧Fixed blocks
38‧‧‧夾塊 38‧‧‧Clamps
Claims (8)
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TW102107322A TWI516332B (en) | 2013-03-01 | 2013-03-01 | Processing fixture |
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TW102107322A TWI516332B (en) | 2013-03-01 | 2013-03-01 | Processing fixture |
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TW201434575A TW201434575A (en) | 2014-09-16 |
TWI516332B true TWI516332B (en) | 2016-01-11 |
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TWI561336B (en) * | 2014-10-02 | 2016-12-11 | Jia Sin Prec Co Ltd | A positioning structure of a jig |
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