CN104029468A - Device capable of increasing tension of formwork, and using method of device - Google Patents
Device capable of increasing tension of formwork, and using method of device Download PDFInfo
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- CN104029468A CN104029468A CN201310065923.0A CN201310065923A CN104029468A CN 104029468 A CN104029468 A CN 104029468A CN 201310065923 A CN201310065923 A CN 201310065923A CN 104029468 A CN104029468 A CN 104029468A
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- screen frame
- tension force
- reinforcing
- reinforcing member
- template
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009415 formwork Methods 0.000 title abstract 4
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000005728 strengthening Methods 0.000 claims description 36
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000006071 cream Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000033558 biomineral tissue development Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Screen Printers (AREA)
Abstract
The invention discloses a device capable of increasing tension of a formwork, and a using method of the device. The device comprises a screen frame and two sets of reinforcing mechanisms, wherein each reinforcing mechanism comprises a reinforcing part, a reinforcing rod member and a reinforcing device; the reinforcing part can be cooperatively clamped with opposite sides of the screen frame, and is connected with the reinforcing rod member; the reinforcing rod member is connected with the reinforcing part and the reinforcing device; when the reinforcing device is rotated, the reinforcing rod member is tensioned and enables the reinforcing part to tightly press the screen frame at the outer side of the screen frame, so that the screen frame can generate inward deformation; after tied screens are fixedly connected to the screen frame and the device is demounted, thereby forming secondary tying of the screens. The invention further discloses the corresponding using method. The device capable of increasing tension of the formwork can increase tension of the screens and the formwork and improve an effect of a detinning paste without damaging the screen frame, so that stress imbalance of the screen frame caused by a certain kind of damage is avoided.
Description
Technical field
The invention belongs to SMT template and manufacture field, relate to a kind of device and using method thereof that increases template tension force.
Background technology
Surface installation technique (Surface Mounted Technology, SMT), with respect to traditional inserting element, has the outstanding advantages such as lightweight, volume is little, reliability is high, is most popular technology and technique in current Electronic Assemblies technology.The template of SMT printing use is mould very important in SMT packaging technology, and the tin cream of printing is bitten on corresponding pad by the opening in SMT template.When printing, with scraper, tin cream is scraped to the other end of template from one end of template, in whole printing process, scraper, template, wiring board are linear contact.When printing, scraper has certain pressure to template, template need to have certain tension force, treat to can be good at bounce-back to depart from wiring board after scraper is scraped, thereby so can not cover again and in template, cause detin cream weak effect being printed onto tin cream on pad, and then cause product quality problem, therefore require very high to the tension force of template, and print now the large not problem of template ubiquity tension force of use, therefore be necessary to propose a kind of device and using method thereof, to increase the tension force of template.
Summary of the invention
In view of this, need to overcome at least one in above-mentioned defect of the prior art.The invention provides a kind of device that increases template tension force, comprise screen frame, two cover reinforcing mechanisms, it is characterized in that:
Described screen frame is the hollow frame structure being made up of two groups of opposite side, and the cross section of described opposite side is rectangle;
Described reinforcing mechanisms comprises two strengthening parts, reinforcing member, intensifying device;
Described strengthening part is that strip and cross section are U character form structure or L shaped structure, can coordinate screens with described screen frame opposite side, and be connected with described reinforcing member, and a side of described strengthening part has with described reinforcing member and matches and attachable through hole;
Described reinforcing member comprises the forward screw rod with forward screw thread and the counterscrew with reverse thread; One end and the described strengthening part of the reinforcing member of described connection forward screw rod are connected, and the other end and described intensifying device are connected; One end of the reinforcing member of described connection counterscrew and described strengthening part are connected, and the other end and described intensifying device are connected; When rotation is when described intensifying device, the reinforcing member of described connection forward screw rod can move toward one another or opposing motion with the reinforcing member that is connected described counterscrew;
Described intensifying device is the frame structure that two ends have intensifying device screwed hole and hollow, one end of described forward screw rod and described counterscrew is by described intensifying device screwed hole, in the time of the described intensifying device of rotation, the reinforcing member of described connection forward screw rod can move toward one another or opposing motion with the reinforcing member that is connected described counterscrew.
According to the present invention in background technology to described in prior art, when current existing template tension force is often not enough to printing, scraper is scraped and be can be good at bounce-back later to depart from wiring board, the tin cream being printed onto on pad will be covered again in template like this, detin cream weak effect, thus product quality problem caused; The device of increase template tension force provided by the invention can be by pulling force that described reinforcing member is produced to mineralization pressure outside described screen frame opposite side, thereby cause in described screen frame to distortion, after silk screen being fixedly connected on described screen frame, remove the device of described increase template tension force, the interior of described screen frame can further be tightened silk screen formation secondary to distortion, thereby strengthen the tension force of silk screen, treat to can be good at bounce-back to depart from wiring board after scraper is scraped, detin is respond well.
In addition, also there is following additional technical feature according to the device of increase template tension force disclosed by the invention:
Further, be formed in one structure or draw bail of described screen frame.
Further, the cross section of described intensifying device grip portions is made up of smooth curve.
Further, described screw thread is fine groove screw thread.
The present invention also provides a kind of device using method that increases template tension force, comprising:
S1 assembling increases the device of template tension force: by the described strengthening part of reinforcing mechanisms and the opposite side screens of described screen frame of the described increase template of two covers tension force, the middle section of described strengthening part and the middle section of described opposite side distance described to positive and negative 10% of edge lengths within, and screw described intensifying device with strain described bracing piece cause described screen frame produce in to distortion;
The S2 net fixing that stretches tight: by silk screen stretch tight net being fixed be connected in produce on the described screen frame of distortion;
S3 dismantles stiffening device: rotate described intensifying device and loosen described bracing piece, increase the device of template tension force with contrary step dismounting, described screen frame is tightened silk screen is carried out to secondary to distortion in having by oneself.
Further, in S2 step, described in be fixedly connected be weld connection structure or bonding draw bail.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present invention and advantage will become obviously and easily from the following description of the accompanying drawings of embodiments to be understood, wherein:
Figure 1 shows that the overall structure schematic diagram of the reinforcing mechanisms of a set of increase template tension force;
Figure 2 shows that A part enlarged diagram in Fig. 1;
Figure 3 shows that the reinforcing mechanisms partial structurtes schematic diagram that increases template tension force;
Figure 4 shows that the reinforcing mechanisms that increases template tension force is arranged on to the overall structure schematic diagram on screen frame;
Figure 5 shows that screen frame upper side floor map;
Figure 6 shows that screen frame downside floor map;
Figure 7 shows that and make screen frame that deformation overall structure schematic diagram inwardly occur with the device that increases template tension force;
Figure 8 shows that the another kind of structure of strengthening part;
Figure 9 shows that the another kind of structure auxiliary view of strengthening part;
Figure 10 shows that another kind of bindiny mechanism.
In Fig. 1,10 for increasing the reinforcing mechanisms of template tension force, and 11 is strengthening part, and 12 is reinforcing member, and 13 is intensifying device, and A is for treating magnification region;
In Fig. 2,121 is bindiny mechanism, and 1221 is the counterscrew with reverse fine groove screw thread;
In Fig. 3,1222 is the forward screw rod with forward fine groove screw thread, and 131 is the screwed hole with reverse fine groove screw thread, and 132 is strengthening bar, and 133 is the screwed hole with forward fine groove screw thread;
In Fig. 4,41 is screen frame;
In Fig. 5,51 is screen frame and silk screen bonding plane (being the upper side of screen frame)
In Fig. 6,61 is screen frame downside;
In Fig. 8,81 is screens hole, and 82 is through hole;
In Fig. 9,91 is fixed part;
In Figure 10,101 is screens end;
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " on ", orientation or the position relationship of the instruction such as D score, " end ", " top ", 'fornt', 'back', " interior ", " outward ", " left side ", " right side " be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " connection ", " connection ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, connecting integratedly, can be also to removably connect; It can be the connection of two element internals; Can be to be directly connected, also can indirectly be connected by intermediary, for the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Inventive concept of the present invention is as follows, as described in technical background, when current existing template tension force is often not enough to printing, scraper is scraped and be can be good at bounce-back later to depart from wiring board, the tin cream being printed onto on pad will be covered again in template like this, detin cream weak effect, thus product quality problem caused; The device of increase template tension force provided by the invention can be by pulling force that described reinforcing member is produced to mineralization pressure outside described screen frame opposite side, thereby cause in described screen frame to distortion, after silk screen being fixedly connected on described screen frame, remove the reinforcing mechanisms of described increase template tension force, the interior of described screen frame can further be tightened silk screen formation secondary to distortion, thereby strengthen the tension force of silk screen, treat to can be good at bounce-back to depart from wiring board after scraper is scraped, detin is respond well.
Describe below with reference to accompanying drawings the device of increase template tension force of the present invention, according to embodiments of the invention, as shown in Fig. 1,4-7, a kind of device that increases template tension force, comprises screen frame 41, two cover reinforcing mechanisms 10; Described screen frame 41 is the hollow frame structures that are made up of two groups of opposite side, and the cross section of described opposite side is rectangle; Described reinforcing mechanisms comprises two strengthening parts 11, reinforcing member 12, intensifying device 13; Described strengthening part 11 is that strip and cross section are U character form structure or L shaped structure, can coordinate screens with described screen frame 41 opposite side, and be connected with described reinforcing member 12, a side of described strengthening part 11 has with described reinforcing member 12 and matches and attachable screwed hole; Described reinforcing member 12 comprises the forward screw rod 1222 with forward screw thread and the counterscrew 1221 with reverse thread; One end and the described strengthening part 11 of the reinforcing member of described connection forward screw rod 1222 are connected, and the other end and described intensifying device 13 are connected; One end of the reinforcing member of described connection counterscrew 1221 and described strengthening part 11 are connected, and the other end and described intensifying device 13 are connected; When rotation is when described intensifying device 13, the reinforcing member of described connection forward screw rod 1222 and described counterscrew 1221 can move toward one another or opposing motion; As shown in Figure 3, described intensifying device 13 is frame structures that two ends have intensifying device screwed hole and hollow, one end of described forward screw rod 1222 and described counterscrew 1221 is by the screwed hole 133 and 131 of described intensifying device 13, in the time of the described intensifying device 13 of rotation, described forward screw rod 1222 and described counterscrew 1221 can move toward one another or opposing motions, make thus the opposite side of screen frame 41 produce in to deformation.
According to some embodiments of the present invention, described screen frame 41 be formed in one structure or draw bail.
According to some embodiments of the present invention, the cross section of described intensifying device 13 grip portions is made up of smooth curve, can make thus the more comfortable and application of force easily of hand.
According to some embodiments of the present invention, described screw thread is fine groove screw thread, and the use of fine groove screw thread can make the adjusting of pulling force more accurate.
According to some embodiments of the present invention, described reinforcing member 12 is formed by connecting by bindiny mechanism 121 and screw rod.Described bindiny mechanism 121 can be cylinder or polygon cylinder, and described screw rod can be the screw rod with fine groove screw thread, can be to be also formed by connecting by the screw rod with fine groove screw thread and polygon cylinder.
According to one embodiment of present invention, the bindiny mechanism 121 of two described reinforcing members 12 is connected with different screw thread members, one end of a bindiny mechanism be connected with the reverse counterscrew 1221 of fine groove screw thread, another bindiny mechanism one end be connected with the forward screw rod 1222 of forward fine groove screw thread.Described screw thread member can be one-body molded with bindiny mechanism 121, can be also integrally welded structure.
According to one embodiment of present invention, as shown in Figure 1, bracing piece 12 with the reverse integrally welded structure of counterscrew 1221 of fine groove screw thread, another bracing piece 12 is with one-body molded with the screw rod 1222 of forward fine groove screw thread.Wherein bindiny mechanism 121 and counterscrew Welding Structure enlarged diagram (being the local enlarged diagram of A part in Fig. 1) as shown in Figure 2 with reverse fine groove screw thread, the wherein said counterscrew 1221 with reverse fine groove screw thread can be directly and bindiny mechanism 121 weld, after can also be one-body molded with polygon cylinder, be welded into integrative-structure (121 and 1221 welding portions are quadrangle cylinder rod member as shown in Figure 2) by polygon main body and bindiny mechanism 121.
According to one embodiment of present invention, the two ends of described intensifying device 13 are connected with the screw rod with fine groove screw thread on described bracing piece respectively, be illustrated in figure 3 the partial structurtes schematic diagram of intensifying device, 131,133 is screwed hole with fine groove screw thread, 132 is strengthening bar, and 131,133 and 132 is one-body molded.Match with the screw rod 1221 and 1222 with fine groove screw thread with the screwed hole 131,133 of fine groove screw thread.
According to one embodiment of present invention, described reinforcing member 12 can be with described strengthening part 11 one-body molded (as shown in Figure 1), can also connect and couple together 11 and 12 by bindiny mechanism, or be designed to supporting structure by 11 and 12, described strengthening part 11 can one-body molded (as shown in Figure 1), can also be by bindiny mechanism's structure that links into an integrated entity, strengthening part with a side of medial surface 113 with screens hole 81 and through hole 82(as Fig. 8, shown in Fig. 9), (in Figure 10 101) matches for the screens end of described screens hole 82 and a kind of bindiny mechanism, described through hole 82 and a kind of bindiny mechanism (in Figure 10 12) match, and the side with medial surface 113 of described strengthening part makes strengthening part connect as one structure by fixed part (in Fig. 9 91).Utilize Fig. 8---in 10 when the structure of strengthening part, first by the reinforcing member shown in Figure 10 12 through through hole 82, then strengthening part is connected as one with fixed part 91.
According to some embodiments of the present invention, three medial surfaces of described strengthening part 11,111,112,113 contact with lateral surface, downside, the medial surface of screen frame respectively, and 113 be connected with attaching parts 121, and as Figure 1 and Figure 4, in Fig. 4,41 is screen frame.
According to some embodiments of the present invention, described strengthening part 11 is L shaped structure, and its medial surface 111,112 contacts with lateral surface, the downside of screen frame, and described reinforcing member 12 is connected with the described strengthening part 11 of L shaped structure.
A device using method that increases template tension force, comprising:
S1 assembling increases the device of template tension force: the opposite side screens by the described strengthening part of the stiffening device 10 of the described increase template of two covers tension force 11 with described screen frame 41, the middle section of described strengthening part 11 and the middle section of described opposite side distance described to positive and negative 10% of edge lengths within, and screw described intensifying device 13 with strain described reinforcing member 12 cause described screen frame 41 produce in to distortion;
The S2 net fixing that stretches tight: by silk screen stretch tight net being fixed be connected in produce on the described screen frame 41 of distortion;
S3 dismantles stiffening device: rotate described intensifying device 13 and loosen described reinforcing member 12, increase the reinforcing mechanisms 10 of template tension force with contrary step dismounting, described screen frame 41 is tightened silk screen is carried out to secondary to distortion in having by oneself.
Further, in S2 step, described in be fixedly connected be weld connection structure or bonding draw bail.
Although the specific embodiment of the present invention is described in detail with reference to multiple illustrative examples of the present invention, but it must be understood that, those skilled in the art can design multiple other improvement and embodiment, and these improve and within embodiment will drop on spirit and scope.Particularly, within the scope of aforementioned open, accompanying drawing and claim, can aspect the layout of parts and/or subordinate composite configuration, make rational modification and improvement, and can not depart from spirit of the present invention.Except modification and the improvement of parts and/or layout aspect, its scope is limited by claims and equivalent thereof.
Claims (6)
1. increase a device for template tension force, comprise screen frame, two cover reinforcing mechanisms, it is characterized in that:
Described screen frame is the hollow frame structure being made up of two groups of opposite side, and the cross section of described opposite side is rectangle;
Described reinforcing mechanisms comprises two strengthening parts, reinforcing member, intensifying device;
Described strengthening part is that strip and cross section are U-shaped structure or L shaped structure, can coordinate screens with described screen frame opposite side, and be connected with described reinforcing member, and a side of described strengthening part has with described reinforcing member and matches and attachable through hole;
Described reinforcing member comprises the forward screw rod with forward screw thread and the counterscrew with reverse thread; One end and the described strengthening part of the reinforcing member of described connection forward screw rod are connected, and the other end and described intensifying device are connected; One end of the reinforcing member of described connection counterscrew and described strengthening part are connected, and the other end and described intensifying device are connected; When rotation is when described intensifying device, described forward screw rod and described counterscrew can move toward one another or opposing motions;
Described intensifying device is the frame structure that two ends have intensifying device screwed hole and hollow, one end of the reinforcing member of described connection forward screw rod and described connection counterscrew is by screwed hole corresponding to described intensifying device, in the time of the described intensifying device of rotation, the reinforcing member of described connection forward screw rod and described connection counterscrew can move toward one another or opposing motion.
2. the device of increase template tension force according to claim 1, is characterized in that, described screen frame be formed in one structure or draw bail.
3. the device of increase template tension force according to claim 1, is characterized in that, the cross section of described intensifying device grip portions is made up of smooth curve.
4. the device of increase template tension force according to claim 1, is characterized in that, described screw thread is fine groove screw thread.
5. a device using method that increases template tension force, comprising:
S1 assembling increases the device of template tension force: by the described strengthening part of device and the opposite side screens of described screen frame of the described increase template of two covers tension force, the middle section of described strengthening part and the middle section of described opposite side distance described to positive and negative 10% of edge lengths within, and screw described intensifying device with strain described bracing piece cause described screen frame produce in to distortion;
The S2 net fixing that stretches tight: by silk screen stretch tight net being fixed be connected in produce on the described screen frame of distortion;
S3 dismantles stiffening device: rotate described intensifying device and loosen described bracing piece, increase the device of template tension force with contrary step dismounting, described screen frame is tightened silk screen is carried out to secondary to distortion in having by oneself.
6. the device using method of increase template tension force according to claim 5, is characterized in that, in S2 step, described in be fixedly connected be weld connection structure or bonding draw bail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310065923.0A CN104029468A (en) | 2013-03-04 | 2013-03-04 | Device capable of increasing tension of formwork, and using method of device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310065923.0A CN104029468A (en) | 2013-03-04 | 2013-03-04 | Device capable of increasing tension of formwork, and using method of device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104029468A true CN104029468A (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310065923.0A Pending CN104029468A (en) | 2013-03-04 | 2013-03-04 | Device capable of increasing tension of formwork, and using method of device |
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| CN (1) | CN104029468A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3910695A1 (en) * | 1989-04-03 | 1990-10-04 | Klaus Ploetscher | Method and device for tensioning a screen-printing frame |
| WO1990014232A1 (en) * | 1989-05-24 | 1990-11-29 | Neville Harry Martin | Screen printing frame with l-shaped inner frame |
| US5063842A (en) * | 1990-10-02 | 1991-11-12 | M & R Printing Equipment, Inc. | Screen tensioning and framing device and method therefor |
| US6058835A (en) * | 1998-12-17 | 2000-05-09 | Fuji Machine Mfg. Co., Ltd. | Screen apparatus |
| DE10034648A1 (en) * | 2000-07-14 | 2002-01-31 | Cadilac Laser Gmbh Cad Ind Las | Manufacture procedure for stencil for circuit board assembly by welding metal stencil to pretensioned frame to tension stencil |
| US20050284561A1 (en) * | 2004-06-24 | 2005-12-29 | Baan Robert L | Common carrier |
| CN202463143U (en) * | 2012-02-28 | 2012-10-03 | 深圳华瑞三和集团有限公司 | Pre-stress loading device for screen frame |
| CN203157327U (en) * | 2013-03-04 | 2013-08-28 | 昆山允升吉光电科技有限公司 | Device for increasing template tension |
-
2013
- 2013-03-04 CN CN201310065923.0A patent/CN104029468A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3910695A1 (en) * | 1989-04-03 | 1990-10-04 | Klaus Ploetscher | Method and device for tensioning a screen-printing frame |
| WO1990014232A1 (en) * | 1989-05-24 | 1990-11-29 | Neville Harry Martin | Screen printing frame with l-shaped inner frame |
| US5063842A (en) * | 1990-10-02 | 1991-11-12 | M & R Printing Equipment, Inc. | Screen tensioning and framing device and method therefor |
| US6058835A (en) * | 1998-12-17 | 2000-05-09 | Fuji Machine Mfg. Co., Ltd. | Screen apparatus |
| DE10034648A1 (en) * | 2000-07-14 | 2002-01-31 | Cadilac Laser Gmbh Cad Ind Las | Manufacture procedure for stencil for circuit board assembly by welding metal stencil to pretensioned frame to tension stencil |
| US20050284561A1 (en) * | 2004-06-24 | 2005-12-29 | Baan Robert L | Common carrier |
| CN202463143U (en) * | 2012-02-28 | 2012-10-03 | 深圳华瑞三和集团有限公司 | Pre-stress loading device for screen frame |
| CN203157327U (en) * | 2013-03-04 | 2013-08-28 | 昆山允升吉光电科技有限公司 | Device for increasing template tension |
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Application publication date: 20140910 |