CN102991098A - Clamping device for center positioning - Google Patents
Clamping device for center positioning Download PDFInfo
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- CN102991098A CN102991098A CN2012105108634A CN201210510863A CN102991098A CN 102991098 A CN102991098 A CN 102991098A CN 2012105108634 A CN2012105108634 A CN 2012105108634A CN 201210510863 A CN201210510863 A CN 201210510863A CN 102991098 A CN102991098 A CN 102991098A
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- slide block
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Abstract
The invention discloses a clamping device for center positioning, which comprises a base (1), a workpiece table (4), clamping heads (5) and six slide blocks, wherein the clamping heads (5) are fixed on the upper surfaces of the slide blocks, the workpiece table (4) is fixed on the upper surface of a baseplate (15) in the middle of the base, each clamping head is provided with a clamping column (32) stretching out upwards, the clamping columns are closely attached to the four sides of the workpiece table; and the bottom surfaces of each pair of slide blocks are connected through three connecting rods, and the middle part of the middle connecting rod in the three connecting rods is hinged with the bottom surface of the baseplate through a shaft pin. Due to the linkage effect of the connecting rods, the six slide blocks can move outwards or inwards simultaneously, so that each clamping head moves outwards or inwards. The clamping heads clamp processed chip components by using the elastic force of a spring on a guide rod of each slide block, and can automatically adjust a printing area to the center of a chip component, so that errors are uniformly dispersed to the four side edges of the chip component, thereby reducing the occurrence probability of unqualified products.
Description
Technical field
The present invention relates to a kind of structure of parts of thick film printer, a kind of centralized positioning clamping device.
Background technology
Thick film printer is the special equipment with mode printed wiring, pattern, resistance on electronic devices and components of serigraphy.The clamping device of thick film printer is to be used for clamping by the device of printing elements when printing.The development trend of electronic component is miniaturization, precise treatment, scale.Also more and more higher to the requirement of equipment special like this.Any trickle error just might cause the reduction of yield rate.
The most slabbing of element that is printed, for example potsherd of rectangle or laminate.The locate mode that traditional clamping device adopts is to keep to the side to locate with two limits of element, yet because same batch element difference is different, causes all errors of component profile to accumulate to a side; When element is not the standard right angle, cause the location to keep to the side can not determine, printed patterns is offset.The defective products rate is higher.
Summary of the invention
The present invention is intended to propose a kind of centralized positioning clamping device, can reduce the component profile error to the impact of printing quality.
This centralized positioning clamping device comprises base, work stage, clamping head and slide block.Base has a rectangular frame, and there is a rectangular substrate at the center of base, and the two ends of the minor face of substrate respectively are connected together by the long limit of a connection strap and frame, and substrate and connection strap are separated into the inner chamber of frame the cavity of four strips.Slide block divides two kinds of end face slide block and side slide blocks.The end face slide block has two, and the growth bar shaped has two guide rods on the end face slide block, and above-mentioned guide rod inserts on the side of end face slide block in two through holes parallel to each other, and stretch out from the end face slide block at the two ends of guide rod.Two end face slide blocks place respectively in the minor face and the cavity between the connection strap of two minor faces of frame of base and substrate, in the guide rod hole on the one end insertion frame minor face inwall of the guide rod on the end face slide block, in the guide rod hole on the guide rod other end insertion connection strap side.The side slide block has four, and the growth bar shaped has two guide rods on the every side slide block, and above-mentioned guide rod inserts on the side of side slide block in two through holes parallel to each other, and stretch out in the slide block from the side at the two ends of guide rod.The side slide block take two in the cavity between the long limit of two long limits of one group of frame that places respectively base and substrate, one end of the guide rod on every side slide block inserts in the guide rod hole on the inwall of the long limit of frame, and the other end of guide rod inserts in the guide rod hole on the substrate side surfaces.The abutting end of two slide blocks of one group of side slide block therein, there is an adjustment block end of a side slide block, and a nose is arranged on the adjustment block, and there is a groove end of another piece side slide block, and the nose of above-mentioned adjustment block inserts in the groove of another piece.Respectively overlapping a spring on the guide rod of frame one side of end face slide block and side slide block, an end of this spring withstands slide block, and the other end withstands the edge of the guide rod hole on the frame.Clamping head is fixed on the upper surface of slide block, and work stage is fixed on the upper surface of substrate, and a card column that protrudes upward is arranged on each clamping head, and card column is close to four limits of work stage.The bottom surface of two end face slide blocks is linked to each other by three connecting rods, and three connecting rods are hinged from beginning to end, and the middle part of middle connecting rod is hinged by the bottom surface of an axle nail with substrate, and the other end of the connecting rod at two ends is hinged with the bottom surface of two end face slide blocks respectively.In four side slide blocks of the both sides, long limit of substrate, bottom surface across two relative side slide blocks of substrate is linked to each other by three connecting rods respectively, article three, connecting rod is hinged from beginning to end, the middle part of middle connecting rod is hinged by the bottom surface of an axle nail with substrate, and the other end of the connecting rod at two ends is hinged with the bottom surface of two side slide blocks respectively.The driving lever that also has three fork-shapeds on the bottom surface of substrate, the center of driving lever is hinged with the bottom surface of axle nail with substrate, one end of driving lever contacts with the medial surface of an end face slide block, the second end of driving lever contacts with the medial surface of a side slide block, the 3rd end of driving lever contacts with the top of the catch bar of thrust unit, and thrust unit is fixed on the frame.
During this centralized positioning clamping device work, promote driving lever by catch bar and rotate, driving lever outwards promotes end face slide block and side slide block, because the interlock of connecting rod, two end face slide blocks and four side slide blocks are outwards mobile simultaneously, and each clamping head moves outward.The sheet of elements that will print is placed on the work stage, makes catch bar retreat, and poke rod loosens, and relies on the elastic force of the spring on the guide rod of each slide block, and each slide block resets, and the card column on the clamping head clamps sheet of elements.In the clamping head reseting procedure, because each clamping head moves simultaneously, printing zone is adjusted to the sheet of elements center automatically, error is dispersed to four sides of sheet of elements divides equally, and has reduced the probability that defective products produces.
Description of drawings
The front view of locating and clamping apparatus centered by Fig. 1;
The bottom view of locating and clamping apparatus centered by Fig. 2;
Fig. 3 is the end face slide block;
Fig. 4 is the side slide block;
Fig. 5 is the three-dimensional view of base;
State when Fig. 6 is clamping GPS diectric antenna;
State when Fig. 7 is clamping chip resistor disc;
Fig. 8 is the state of clamping car force sensor;
Fig. 9 is the clamping schematic diagram of traditional clamping device;
The clamping schematic diagram of locating and clamping apparatus centered by Figure 10.
The specific embodiment
As depicted in figs. 1 and 2, this centralized positioning clamping device comprises base 1, work stage 4, clamping head 5 and slide block.As shown in Figure 5, base 1 has a rectangular frame, there is a rectangular substrate 15 at the center of base, and the two ends of the minor face of substrate respectively are connected together by the long limit of a connection strap 3 with frame, and substrate and connection strap are separated into the inner chamber of frame the cavity of four strips.Slide block is divided into 7 two kinds of end face slide block 2 shown in Figure 3 and side slide blocks shown in Figure 4.End face slide block 2 has two, the growth bar shaped, two guide rods 13 are arranged on the end face slide block, above-mentioned guide rod inserts on the side of end face slide block in two through holes parallel to each other, stretch out from the end face slide block at the two ends of guide rod, such as Fig. 1, Fig. 2 and shown in Figure 5, two end face slide blocks place respectively in the minor face and the cavity between the connection strap 3 of two minor face 29 inwalls of frame of base and substrate 15, in the guide rod hole 30 on the minor face of the one end insertion frame of the guide rod on the end face slide block, in the guide rod hole 28 on other end insertion connection strap 3 sides of guide rod.As shown in Figure 4, side slide block 7 has four, the growth bar shaped, two guide rods 6 are arranged on the every side slide block, above-mentioned guide rod inserts on the side of side slide block in two through holes parallel to each other, stretch out in the slide block from the side at the two ends of guide rod, the side slide block take two in the cavity between the long limit of the inwall on two long limits 25 of one group of frame that places respectively base and substrate 15, one end of the guide rod on every side slide block inserts in the guide rod hole 27 on the long limit of frame, and the other end of guide rod inserts in the guide rod hole 26 on substrate 15 sides.As shown in Figure 2, the abutting end of two slide blocks of one group of side slide block therein, there is an adjustment block 19 end of a side slide block, and a nose is arranged on the adjustment block, there is a groove end of another piece side slide block, and the nose of above-mentioned adjustment block inserts in the groove of another piece.Respectively overlapping a spring 8 on the guide rod of frame one side of all end face slide blocks and side slide block, an end of this spring withstands slide block, and the other end withstands the edge of the guide rod hole on the frame.As shown in Figure 1, clamping head 5 is fixed on the upper surface of slide block.Work stage 4 is fixed on the upper surface of substrate 15, and the shape of work stage is identical with the sheet of elements that is printed with size.A card column that protrudes upward 32 is arranged on each clamping head, and card column is close to four limits of work stage.As shown in Figure 2, the bottom surface of two end face slide blocks 2 is linked to each other by three connecting rods 17,18,24, article three, connecting rod is hinged from beginning to end, become a serpentine, the middle part of middle connecting rod 18 is hinged by the bottom surface of an axle nail 33 with substrate, and the connecting rod 17 at two ends, 24 the other end are hinged with the bottom surface of two end face slide blocks 2 respectively.The bottom surface of two relative side slide blocks is linked to each other by three connecting rods 20,21,22 respectively in four side slide blocks 7 of the both sides, long limit of substrate 15, article three, connecting rod is hinged from beginning to end, become " Z " font, the middle part of middle connecting rod 21 is hinged by the bottom surface of an axle nail 34 with substrate, and the connecting rod 20 at two ends, 22 the other end are hinged with the bottom surface of two side slide blocks 7 respectively.The driving lever 16 that also has three fork-shapeds on the bottom surface of substrate, the center of driving lever is hinged with the bottom surface of axle nail with substrate, one end of driving lever contacts with the medial surface of an end face slide block 2, the second end of driving lever contacts with the medial surface of a side slide block 7, the 3rd end of driving lever contacts with the top of the catch bar of thrust unit 11, and thrust unit 11 is fixed on the frame.
The inner chamber of the guide rod hole 27,30 on the frame of this centralized positioning clamping device, the guide rod hole 26 on the substrate and the guide rod hole 28 on the connection strap all can be loaded onto without oil work bearing, the Miniature ball bearing is arranged in the cradle head of every group of connecting rod or the axle center, every group has 5 bearings, and 3 groups have 15 miniature bearings.Contact position and center of rotation with push rod on the driving lever also are equipped with totally 4 on Miniature ball bearing.Can improve positioning accuracy, increase the service life.
As depicted in figs. 1 and 2, thrust unit 11 in this centralized positioning clamping device can be a cylinder, this cylinder is fixed in the installing hole at minor face middle part of frame, and the piston rod of cylinder is described catch bar, and its top contacts with the 3rd end of described driving lever 16.10 is choke valve among the figure.This thrust unit also can be a small-sized servomotor, and catch bar then is the output shaft of servomotor.
(sheet of elements among Fig. 6 is GPS diectric antenna 38 when sheet of elements is rectangle, sheet of elements among Fig. 7 is plate resistor sheet 39, two kinds of sheet of elements are all rectangle), the work stage 4 of this centralized positioning clamping device is such as Fig. 1, Fig. 6 and shown in Figure 7, be rectangle, clamping head 5 has six, is separately fixed on the upper surface of two end face slide blocks and four side slide blocks, is fixed on the upper and lower both sides that card column on two clamping heads on the end face slide block is close to work stage; Be fixed on the left and right both sides that card column on four clamping heads on the slide block of side is close to work stage, two card columns in every limit.As shown in Figure 7, the top of frame can cover lastblock cover plate 35, and there is a rectangular opening at the center of cover plate, makes work stage expose, and sheet of elements 31 can be placed in this rectangular opening.Cover plate can prevent that dust from entering in the clamping device, also can increase the aesthetic property of clamping device.
As shown in Figure 2, when the catch bar of thrust unit 11 promotes driving lever 16 rotation, driving lever outwards promotes end face slide block 2 and side slide block 7, because the interlock of connecting rod, and the transmission of the groove on the nose of the adjustment block 19 on the side slide block of a side and another piece side slide block, two end face slide blocks and four side slide blocks are outwards mobile simultaneously, and each clamping head 5 is outer moving all.The sheet of elements that will print is placed on the work stage, makes catch bar retreat, and poke rod 16 loosens, and relies on the elastic force of the spring 8 on the guide rod of each slide block, and each slide block resets, and the card column on the clamping head clamps sheet of elements.As shown in figure 10, in the clamping head reseting procedure, because each clamping head moves simultaneously, the card column 32 on the clamping head is clamped sheet of elements 31 from the upper and lower, left and right of sheet of elements.Because every a pair of clamping head is relative to each other independently, after two groups of clamping heads of left and right sides clamping clamped sheet of elements, sheet of elements was determined along Y-direction during clamping, and the center line of sheet of elements namely is the mid point line of two groups of independence left and right sides bite directions Xs.The a pair of clamping head of on the end face slide block this sheet of elements of directions is clamped to the center of two bites, and this center namely is the center of sheet of elements Y-direction, and the sheet of elements center is found, and has finished the location.In the motion process of slide block, connecting rod drives one group of slide block and does in opposite directions rectilinear motion, because the slide block rectilinear direction is by the bearing guide rod directions of working without oil.Any one slide block that needs only in one group of slide block has the small variation of rectilinear direction, and another corresponding slide block is made reciprocal equivalent rectilinear motion under the effect of 3 connecting rods, thereby guarantees that central point is found.
As shown in Figure 8, when sheet of elements is circle (sheet of elements among the figure is circular car force sensor 40), the work stage 4 of centralized positioning clamping device is circular, described clamping head 5 is four, be separately fixed on the upper surface of two end face slide blocks and a pair of side slide block, be fixed on the upper and lower both sides that card column on two clamping heads on the end face slide block is close to work stage, be fixed on the left and right both sides that card column on two clamping heads on the slide block of side is close to work stage.
Among Fig. 1 36 is the vacuum holes on the work stage, and 14 is vacuum adapter, and 37 is vacuum holes on the substrate among Fig. 5, and said apparatus is used to provide the pull of vacuum to sheet of elements, and sheet of elements is adsorbed on the work stage.23 for hand driving lever (2 Miniature ball bearings are arranged on the hand driving lever) among Fig. 2, and 9 be manual debugging button, hand-driven moving movable slider when debugging.
Claims (5)
1. centralized positioning clamping device, comprise base (1), work stage (4), clamping head (5) and slide block, base has a rectangular frame, there is a rectangular substrate (15) at the center of base, the two ends of the minor face of substrate respectively are connected together by the long limit of a connection strap (3) with frame, and substrate and connection strap are separated into the inner chamber of frame the cavity of four strips; It is characterized in that slide block divides (7) two kinds of end face slide block (2) and side slide blocks, end face slide block (2) has two, the growth bar shaped, two guide rods (13) are arranged on the end face slide block, above-mentioned guide rod inserts on the side of end face slide block in two through holes parallel to each other, stretch out from the end face slide block at the two ends of guide rod, two end face slide blocks place respectively in the minor face and the cavity between the connection strap (3) of two minor faces (29) of frame of base and substrate (15), in the guide rod hole (30) on the one end insertion frame minor face inwall of the guide rod on the end face slide block, in the guide rod hole (28) on other end insertion connection strap (3) side of guide rod; Side slide block (7) has four, the growth bar shaped, two guide rods (6) are arranged on the every side slide block, above-mentioned guide rod inserts on the side of side slide block in two through holes parallel to each other, stretch out in the slide block from the side at the two ends of guide rod, the side slide block take two in the cavity between the long limit of two long limits (25) of one group of frame that places respectively base and substrate (15), one end of the guide rod on every side slide block inserts in the guide rod hole (27) on the inwall of the long limit of frame, and the other end of guide rod inserts in the guide rod hole (26) on substrate (15) side; The abutting end of two slide blocks of one group of side slide block therein, there is an adjustment block (19) end of a side slide block, and a nose is arranged on the adjustment block, and there is a groove end of another piece side slide block, and the nose of above-mentioned adjustment block inserts in the above-mentioned groove; Respectively overlapping a spring (8) on the guide rod of frame one side of end face slide block and side slide block, an end of this spring withstands slide block, and the other end withstands the edge of the guide rod hole on the frame; Clamping head (5) is fixed on the upper surface of slide block, and work stage (4) is fixed on the upper surface of substrate (15), and a card column that protrudes upward (32) is arranged on each clamping head, and card column is close to four limits of work stage; The bottom surface of two end face slide blocks (2) is linked to each other by three connecting rods (17,18,24), article three, connecting rod is hinged from beginning to end, the bottom surface that (33) and substrate are followed closely by an axle in the middle part of middle connecting rod (18) is hinged, and the other end of the connecting rod at two ends (17,24) is hinged with the bottom surface of two end face slide blocks (2) respectively; In four side slide blocks (7) of the both sides, long limit of substrate (15), bottom surface across two relative side slide blocks of substrate is linked to each other by three connecting rods (20,21,22) respectively, article three, connecting rod is hinged from beginning to end, the bottom surface that (34) and substrate are followed closely by an axle in the middle part of middle connecting rod (21) is hinged, and the other end of the connecting rod at two ends (20,22) is hinged with the bottom surface of two side slide blocks (7) respectively; The driving lever (16) that also has three fork-shapeds on the bottom surface of substrate, the center of driving lever is hinged with the bottom surface of axle nail with substrate, one end of driving lever contacts with the medial surface of an end face slide block, the second end of driving lever contacts with the medial surface of a side slide block, the 3rd end of driving lever contacts with the top of the catch bar of thrust unit (11), and thrust unit (11) is fixed on the frame.
2. centralized positioning clamping device as claimed in claim 1 is characterized in that the inner chamber of guide rod hole (27,30), the guide rod hole (26) on the substrate and the guide rod hole (28) on the connection strap on the frame all is equipped with without oil work bearing.
3. centralized positioning clamping device as claimed in claim 1 or 2, it is characterized in that described thrust unit (11) is a cylinder, this cylinder is fixed in the installing hole at minor face middle part of frame, the piston rod of cylinder is described catch bar, and its top contacts with the 3rd end of described driving lever (16).
4. centralized positioning clamping device as claimed in claim 3, it is characterized in that described work stage (4) is rectangle, described clamping head (5) has six, be separately fixed on the upper surface of two end face slide blocks and four side slide blocks, be fixed on the upper and lower both sides that card column on two clamping heads on the end face slide block is close to work stage, be fixed on the left and right both sides that card column on four clamping heads on the slide block of side is close to work stage, two card columns in every limit.
5. centralized positioning clamping device as claimed in claim 3, it is characterized in that described work stage (4) is for circular, described clamping head (5) has four, be separately fixed on the upper surface of two end face slide blocks and two side slide blocks, be fixed on the upper and lower both sides that card column on two clamping heads on the end face slide block is close to work stage, be fixed on the left and right both sides that card column on two clamping heads on the slide block of side is close to work stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210510863.4A CN102991098B (en) | 2012-11-30 | 2012-11-30 | Clamping device for center positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210510863.4A CN102991098B (en) | 2012-11-30 | 2012-11-30 | Clamping device for center positioning |
Publications (2)
| Publication Number | Publication Date |
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| CN102991098A true CN102991098A (en) | 2013-03-27 |
| CN102991098B CN102991098B (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210510863.4A Expired - Fee Related CN102991098B (en) | 2012-11-30 | 2012-11-30 | Clamping device for center positioning |
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| CN (1) | CN102991098B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104162603A (en) * | 2014-08-07 | 2014-11-26 | 中国电子科技集团公司第四十八研究所 | Automatic locating die for solar aluminum frame |
| CN108045072A (en) * | 2017-12-08 | 2018-05-18 | 涟水新邦电子有限公司 | A kind of automatic screen-printing machine of lighter casing |
| CN108082939A (en) * | 2017-12-07 | 2018-05-29 | 苏州市职业大学 | Make the plate binder of pencil |
| CN107263352B (en) * | 2017-05-26 | 2018-10-12 | 大族激光科技产业集团股份有限公司 | Fixing device |
| CN109119240A (en) * | 2017-06-26 | 2019-01-01 | 深圳市盛世智能装备有限公司 | A kind of linkage side clamping device |
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| CN202986316U (en) * | 2012-11-30 | 2013-06-12 | 嘉兴微知电子有限公司 | Central positioning clamping device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162603A (en) * | 2014-08-07 | 2014-11-26 | 中国电子科技集团公司第四十八研究所 | Automatic locating die for solar aluminum frame |
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| CN107263352B (en) * | 2017-05-26 | 2018-10-12 | 大族激光科技产业集团股份有限公司 | Fixing device |
| CN109119240A (en) * | 2017-06-26 | 2019-01-01 | 深圳市盛世智能装备有限公司 | A kind of linkage side clamping device |
| CN108082939A (en) * | 2017-12-07 | 2018-05-29 | 苏州市职业大学 | Make the plate binder of pencil |
| CN108045072A (en) * | 2017-12-08 | 2018-05-18 | 涟水新邦电子有限公司 | A kind of automatic screen-printing machine of lighter casing |
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|---|---|
| CN102991098B (en) | 2014-09-10 |
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