CN108966529B - SMT multifunctional die - Google Patents
SMT multifunctional die Download PDFInfo
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- CN108966529B CN108966529B CN201811153009.0A CN201811153009A CN108966529B CN 108966529 B CN108966529 B CN 108966529B CN 201811153009 A CN201811153009 A CN 201811153009A CN 108966529 B CN108966529 B CN 108966529B
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- slide bar
- sliding rod
- frame
- clamping
- smt
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- 239000000463 material Substances 0.000 claims description 11
- 239000002969 artificial stone Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 40
- 238000003466 welding Methods 0.000 abstract description 7
- 238000007650 screen-printing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000003754 machining Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0008—Apparatus or processes for manufacturing printed circuits for aligning or positioning of tools relative to the circuit board
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses an SMT multifunctional die which comprises a rectangular frame, a first slide bar, a second slide bar and a clamping block, wherein the first slide bar and the second slide bar are arranged on the frame in a staggered and sliding manner, the first slide bar is positioned at the lower side of the second slide bar, the clamping block is arranged on the first slide bar in a sliding manner, the clamping block is rectangular, the second slide bar is connected with a supporting block in a sliding manner, the supporting block is used for supporting a PCB (printed circuit board), right-angle clamping grooves are formed in one side of the clamping block, two sides of the second slide bar and the inner side of the frame, the bottom surfaces of all right-angle clamping grooves and the top surfaces of the supporting block are coplanar, the right-angle clamping grooves are used for clamping the PCB, and the upper surfaces of the frame, the first slide bar, the second slide bar and the clamping block are not higher than the upper surface of the PCB. The invention can clamp various PCB boards with different shapes which can not be directly mounted on a machine on a die, finish screen printing, mounting and welding on the machine, greatly reduce the production cost and time cost of PCB board processing, improve the processing quality and the production efficiency, and enlarge the practical popularization range.
Description
Technical Field
The invention relates to the technical field of dies, in particular to an SMT multifunctional die.
Background
Along with the continuous promotion of 'China manufacturing 2025', the method is oriented to the ambitious prospect of manufacturing the national targets, and is used as an SMT manufacturing enterprise, a plurality of varieties of small-batch production is still the main stream business in production, and the improvement of production efficiency and the improvement of production process become the requisite way. Various printed PCB boards can be encountered in the production process, and the appearance, the size and the design of the PCB boards are quite different, so that the production efficiency is affected or the waste of manpower and material resources is caused because the production process requirements of the existing production equipment cannot be met.
During actual production, in the processing procedures of a screen printer, a chip mounter, a reflow oven and the like, due to the special shape of some PCB boards, stress is uneven in the transmission process of a conveyor belt of a production line, and particularly, the phenomenon of clamping plates or falling plates occurs in the processing process of transferring one device to another device, namely, transferring one conveyor belt to another conveyor belt; some PCB boards are smaller than the minimum size of the machining process, resulting in inability to be directly machined using the machine; some materials are close to the edge of the PCB, and can not be pasted by using a surface mount device, so that a large amount of materials can be manually filled. The current treatment is to make proprietary molds or hand welding.
At present, in order to improve the production efficiency, a special die is required to be continuously customized according to various different types of PCBs, and in this way, although the production requirement of products can be met to a certain extent, the special die can cause additional processing cost. The manufacturing time of the common mould is 3-5 days, and the cost of one set of mould is about 300 yuan. Obviously, the special die has high cost, long manufacturing period and great consumption of manpower and material resources, and the storage of the special die occupies space, so that the die needs to be manufactured again after modification. The manual welding requires a lot of related professionals to be specially trained, the workload is unstable, the welding quality is not good, the production procedure is increased intangibly, the production cost and the time cost are increased undoubtedly, the welding quality is influenced, the delivery date is delayed, and the production scale is not enlarged.
Disclosure of Invention
The invention aims to provide an SMT multifunctional die, which solves the problems in the prior art, ensures that the special-shaped PCB can meet the requirements of mechanical production and processing after being clamped by the die, improves the production quality, does not need a special die, and reduces the production and time cost.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides an SMT multifunctional die which comprises a frame, a first sliding rod, a second sliding rod and a clamping block, wherein the frame is rectangular, the first sliding rod and the second sliding rod are arranged on the frame in a staggered mode, the first sliding rod and the second sliding rod can slide on the frame, the first sliding rod is positioned on the lower side of the second sliding rod, the clamping block is arranged on the first sliding rod in a sliding mode, the clamping block is rectangular, the second sliding rod is connected with a supporting block in a sliding mode, the supporting block is used for supporting a PCB, right-angle clamping grooves are formed in one side of the clamping block, two sides of the second sliding rod and the inner side of the frame, the bottom surfaces of all the right-angle clamping grooves and the top surfaces of the supporting block are coplanar, and the upper surfaces of the frame, the first sliding rod, the second sliding rod and the clamping block are not higher than the upper surface of the PCB.
Preferably, the four sides of the frame are provided with sliding grooves, the sliding grooves are rectangular step through grooves, two ends of the first sliding rod and two ends of the second sliding rod are respectively movably connected with the frame through first bolts and first nuts, the sliding grooves are matched with the first bolts and the first nuts, the first bolts are embedded into the rectangular step through grooves, and the upper surfaces of the first bolts are not higher than the upper surfaces of the rectangular step through grooves.
Preferably, the first sliding rod and the second sliding rod are also provided with the sliding groove, the clamping block is embedded with a second bolt, the upper surface of the second bolt is not higher than the upper surface of the clamping block, and the second bolt penetrates through the sliding groove and then is connected with a second nut.
Preferably, the frame is provided with a plurality of supporting blocks.
Preferably, one end or two ends of the supporting block are in a convex shape.
Preferably, scale values are arranged on four sides of the frame.
Preferably, the frame, the first sliding rod, the second sliding rod, the supporting block and the clamping block are all made of synthetic stone materials.
Preferably, the depth of the right-angle clamping groove is 0.5-2.5mm.
Preferably, the first sliding rod at one side of the second sliding rod is provided with at least one first clamping block, the first sliding rod at the other side of the second sliding rod is provided with at least one second clamping block, and one side of the first clamping block, which is different from the second clamping block, is respectively provided with a right-angle clamping groove.
Preferably, a set of right-angle edges adjacent to the frame on one side of the second slide bar and one side of the first clamping block form a first area, the depth of the right-angle clamping grooves in the first area is equal, a second area is formed by the other side of the second slide bar and one side of the second clamping block and the rest set of right-angle edges of the frame, the depth of the right-angle clamping grooves in the second area is equal, and the depth of the right-angle clamping grooves in the second area is unequal to the depth of the right-angle clamping grooves in the first area.
Compared with the prior art, the invention has the following technical effects:
the SMT multifunctional die is simple in structure, convenient to operate and cost-saving, and can be used for placing Printed Circuit Boards (PCB) which cannot be mounted on a machine or are easy to cause problems in mounting the machine, such as special-shaped PCB, undersize PCB and PCB with too close edges, on the die, so that silk screen printing, mounting and welding on the machine are completed, and the SMT multifunctional die can be suitable for PCB with various shapes. The invention can realize the clamping of the PCB with different thickness and different shape, saves the cost of manufacturing the special die, greatly reduces the production cost and time cost of PCB processing, improves the processing quality and the production efficiency, and increases the practical popularization range.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of an SMT multifunctional mold according to the invention;
FIG. 2 is a schematic structural view of a first slide bar of the SMT multifunctional mold according to the invention;
FIG. 3 is a cross-sectional view of A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic diagram of a SMT multifunctional mold support block according to the invention;
FIG. 5 is a schematic diagram II of the SMT multifunctional mold support block according to the invention;
FIG. 6 is a schematic diagram III of a SMT multifunctional mold support block according to the invention;
FIG. 7 is a schematic structural view of an SMT multifunctional mold clamping block according to the invention;
wherein: the device comprises a frame 1, a sliding groove 2, a scale value 3, a first sliding rod 4, a second sliding rod 5, a supporting block 6, a clamping block 7, a right-angle clamping groove 8, a first bolt 9 and a second bolt 10.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art based on the embodiments of the invention without any inventive effort, are intended to fall within the scope of the invention.
The invention aims to provide an SMT multifunctional die, which solves the problems in the prior art, ensures that the special-shaped PCB can meet the requirements of mechanical production and processing after being clamped by the die, improves the production quality, does not need a special die, and reduces the production and time cost.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 to 7: the embodiment provides an SMT multifunctional die, which comprises a frame 1, a first sliding rod 4, a second sliding rod 5 and a clamping block 7. The frame 1 is the rectangle, is provided with spout 2 on the four sides of frame 1, and spout 2 is rectangle step logical groove, ensures that first bolt 9 card inserts in spout 2 completely, makes frame 1 upper surface can not produce protruding face, satisfies the demand of machining. The four sides of the frame 1 are provided with the scale values 3, so that the two ends of the first slide bar 4 and the second slide bar 5 are arranged on the same scale, and the parallelism and the perpendicularity of the first slide bar 4 and the second slide bar 5 are fully guaranteed.
The first slide bar 4 and the second slide bar 5 are arranged on the frame 1 in a staggered mode, the first slide bar 4 and the second slide bar 5 can slide on the frame 1, two ends of the first slide bar 4 and two ends of the second slide bar 5 are movably connected with the frame 1 through a first bolt 9 and a first nut respectively, the sliding groove 2 is matched with the first bolt 9 and the first nut, the first bolt 9 is embedded into the rectangular step through groove, and the upper surface of the first bolt 9 is not higher than the upper surface of the rectangular step through groove. The two ends of the first sliding rod 4 are respectively connected with a connecting plate through screws, or a broken groove for accommodating the edge of the frame 1 can be arranged at the two end parts of the first sliding rod 4.
The first slide bar 4 is located second slide bar 5 downside, and clamping block 7 slides and sets up on first slide bar 4, and clamping block 7 is the rectangle, and sliding connection has supporting shoe 6 on the second slide bar 5, and supporting shoe 6 is used for supporting the PCB board, is equipped with a plurality of supporting shoe 6 on the frame 1. One end or two ends of the supporting block 6 are in a convex shape. The thickness of the convex end part can be prefabricated into various types according to the thickness of the PCB type number. The convex arrangement is used for supporting the tip of the supporting block 6 to be inserted between devices on the PCB. Two bolts are arranged on each supporting block 6 and each clamping block 7, so that loosening or rotation can be prevented in the process of tightening or supporting.
One side of the clamping block 7, two sides of the second sliding rod 5 and the inner side of the frame 1 are provided with right-angle clamping grooves 8, the bottom surfaces of all right-angle clamping grooves 8 and the top surfaces of the supporting blocks 6 are coplanar, the right-angle clamping grooves 8 are used for clamping a PCB, the upper surfaces of the frame 1, the first sliding rod 4, the second sliding rod 5 and the clamping block 7 are not higher than the upper surface of the PCB, no protruding surface is generated, and the machining requirement is met.
The first slide bar 4 and the second slide bar 5 are also provided with a slide groove 2, a second bolt 10 is embedded in the clamping block 7, the upper surface of the second bolt 10 is not higher than the upper surface of the clamping block 7, and a second nut is connected after the second bolt 10 passes through the slide groove 2. At least one first clamping block 7 is arranged on the first sliding rod 4 positioned on one side of the second sliding rod 5, at least one second clamping block 7 is arranged on the first sliding rod 4 positioned on the other side of the second sliding rod 5, and a right-angle clamping groove 8 is respectively arranged on one side, different from the first clamping block 7, of the second clamping block 7. Since the supporting block 6 and the clamping block 7 are detachable, the length of the supporting block 6 can be increased even when the supporting block is clamped by a large notch or an irregularly shaped irregular plate according to the specific situation of the PCB.
One side of the second slide bar 5, one side of the first clamping block 7 and a group of right-angle edges adjacent to the frame 1 form a first area, the depth of the right-angle clamping grooves 8 in the first area is equal, the other side of the second slide bar 5, one side of the second clamping block 7 and the rest group of right-angle edges of the frame 1 form a second area, the depth of the right-angle clamping grooves 8 in the second area is equal, and the depth of the right-angle clamping grooves 8 in the second area is unequal to that of the right-angle clamping grooves 8 in the first area. Thus, one SMT multifunctional mold can assemble the clamping areas (diagonal areas) of two types of PCB boards without disassembling the supporting block 6 and the clamping block 7.
The depth of the right-angle clamping groove 8 is 0.5-2.5mm, and the right-angle clamping grooves 8 on the frame 1, the second sliding rod 5, the supporting block 6 and the clamping block 7 can be prefabricated into various types according to the thickness of the PCB type number. The frame 1, the first slide bar 4, the second slide bar 5, the supporting block 6 and the clamping block 7 are all made of synthetic stone materials. The mold is made of the synthetic stone material, can meet the requirements of high temperature of 350 ℃ and no deformation when a workpiece passes through a reflow oven, and has the characteristics of low thermal conductivity and small expansion degree, and can adsorb oven oil when the mold is used in the reflow oven.
The specific use method of the embodiment is as follows:
firstly, according to the thickness of the type of the PCB, a frame 1, a second sliding rod 5, a supporting block 6 and a clamping block 7 with the corresponding depth of the right-angle clamping groove 8 are selected, then the assembly is carried out, and the bottom surface of the right-angle clamping groove 8 of the clamping area is adjusted to be coplanar. Or several common moulds are pre-assembled, and the mould with the right-angle clamping groove 8 with the corresponding depth is directly selected. Then put the PCB board to the centre gripping region, promote first slide bar 4 and second slide bar 5, make it laminate with the border of PCB board, lock the bolt at second slide bar 5 both ends respectively earlier, adjust clamping piece 7 on the first slide bar 4 again, make it laminate with the border of PCB board after, lock clamping piece 7 on first slide bar 4, lock the bolt at first slide bar 4 both ends respectively again. And then, the position of the supporting block 6 is adjusted and locked, and the edge of the PCB is supported by the convex shape.
The SMT multifunctional mould of this embodiment has reduced the production of 82 kinds of special moulds altogether from the first use to date, of which 26 kinds are special PCB boards and PCB boards that do not meet the machining size. On average, 5 special dies are used for each product, and the processing price of each die is about 300 yuan, so that the total saving is achieved: 26 x 5 x 300 = 39000 yuan. The SMT multifunctional die of the embodiment reduces risks of clamping plates, falling plates and the like in machine transportation, reduces special die manufacturing, and reduces die manufacturing cost. The remaining 56 products (about 1500 cards) are improperly designed sides, and the material is near the sides, resulting in a large amount of manual refill. The most remarkable effect after using the SMT multifunctional die of the embodiment is as follows: the manufacturing cost of the special die is reduced, the manual repair time and the quantity of materials are reduced, the personnel and time cost is indirectly reduced, the production efficiency is improved, and the quality risk is effectively avoided.
The SMT multifunctional die is simple in structure, convenient to detach and assemble, capable of placing PCB boards which cannot be mounted on a machine or are easy to cause problems in mounting the machine, such as special-shaped PCB boards, undersize PCB boards and PCB boards with too close edges, on the die, and capable of completing on-machine silk screen printing, mounting and welding, and suitable for PCB boards with various shapes; and the clamping of the PCB with different thickness and different shape can be realized, the cost for manufacturing the special die is saved, the production cost and the time cost for processing the PCB are greatly reduced, the manual material supplementing quantity is reduced, the processing quality and the production efficiency are improved, the production period of small-batch products is shortened, the production cost is reduced, and the method is convenient to use and popularize.
The principles and embodiments of the present invention have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (8)
1. An SMT multifunctional die, which is characterized in that: the PCB clamping device comprises a frame, a first sliding rod, a second sliding rod and clamping blocks, wherein the frame is rectangular, the first sliding rod and the second sliding rod are arranged on the frame in a staggered mode, the first sliding rod and the second sliding rod can slide on the frame, the first sliding rod is positioned on the lower side of the second sliding rod, the clamping blocks are arranged on the first sliding rod in a sliding mode, the clamping blocks are rectangular, supporting blocks are connected to the second sliding rod in a sliding mode, the supporting blocks are used for supporting the PCB, right-angle clamping grooves are formed in one side of the clamping blocks, two sides of the second sliding rod and the inner side of the frame, the bottom surfaces of all the right-angle clamping grooves and the top surfaces of the supporting blocks are coplanar, the right-angle clamping grooves are used for clamping the PCB, and the upper surfaces of the frame, the first sliding rod, the second sliding rod and the clamping blocks are not higher than the upper surface of the PCB. The four sides of frame are provided with the spout, the spout is rectangle step logical groove, first slide bar with the both ends of second slide bar respectively through first bolt and first nut with frame swing joint, the spout with first bolt with first nut phase-match, first slide bar with also set up on the second slide bar the spout, the clamp block embeds has the second bolt, the upper surface of second bolt is not higher than the upper surface of clamp block, the second bolt passes be connected with the second nut behind the spout, one end or both ends of supporting shoe all are "protruding" font.
2. An SMT multifunctional mould according to claim 1, wherein: the first bolt is embedded into the rectangular step through groove, and the upper surface of the first bolt is not higher than the upper surface of the rectangular step through groove.
3. An SMT multifunctional mould according to claim 1, wherein: the frame is provided with a plurality of supporting blocks.
4. An SMT multifunctional mould according to claim 1, wherein: scale values are arranged on four sides of the frame.
5. An SMT multifunctional mould according to claim 1, wherein: the frame, the first slide bar, the second slide bar, the supporting block and the clamping block are all made of synthetic stone materials.
6. An SMT multifunctional mould according to claim 1, wherein: the depth of the right-angle clamping groove is 0.5-2.5mm.
7. An SMT multifunctional mould according to claim 1, wherein: at least one first clamping block is arranged on the first sliding rod on one side of the second sliding rod, at least one second clamping block is arranged on the first sliding rod on the other side of the second sliding rod, and right-angle clamping grooves are respectively formed in the sides, different from the first clamping block, of the second clamping block.
8. An SMT multifunctional mould according to claim 7, wherein: a group of right-angle edges adjacent to the frame on one side of the second slide bar and one side of the first clamping block form a first area, the depth of the right-angle clamping grooves in the first area is equal,
the other side of the second slide bar, one side of the second clamping block and the rest right-angle edges of the frame form a second area, the depth of the right-angle clamping grooves in the second area is equal,
the depth of the right-angle clamping groove in the second area is different from that of the right-angle clamping groove in the first area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811153009.0A CN108966529B (en) | 2018-09-30 | 2018-09-30 | SMT multifunctional die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811153009.0A CN108966529B (en) | 2018-09-30 | 2018-09-30 | SMT multifunctional die |
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| Publication Number | Publication Date |
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| CN108966529A CN108966529A (en) | 2018-12-07 |
| CN108966529B true CN108966529B (en) | 2024-04-16 |
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| CN201811153009.0A Active CN108966529B (en) | 2018-09-30 | 2018-09-30 | SMT multifunctional die |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113473743B (en) * | 2021-08-11 | 2022-09-02 | 北京无线电测量研究所 | Printed board clamping device |
| CN114051329A (en) * | 2021-11-15 | 2022-02-15 | 中国北方车辆研究所 | Circuit board fixing device |
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| CN101795540A (en) * | 2010-03-05 | 2010-08-04 | 苏州工业园区时代华龙科技有限公司 | Universal carrier for surface-mounting equipment |
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| CN107018626A (en) * | 2017-03-15 | 2017-08-04 | 东莞市秦智工业设计有限公司 | A kind of wiper mechanism of SMT tools |
| CN206963200U (en) * | 2017-06-02 | 2018-02-02 | 郑州市牧和电子产品有限公司 | Multifunctional jig |
| CN207783446U (en) * | 2018-01-08 | 2018-08-28 | 昆山纬亚电子科技有限公司 | A kind of pcb board patch jig |
| CN209283585U (en) * | 2018-09-30 | 2019-08-20 | 电信科学技术仪表研究所有限公司 | A kind of SMT multifunctional mold |
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2018
- 2018-09-30 CN CN201811153009.0A patent/CN108966529B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795540A (en) * | 2010-03-05 | 2010-08-04 | 苏州工业园区时代华龙科技有限公司 | Universal carrier for surface-mounting equipment |
| CN205546227U (en) * | 2016-04-05 | 2016-08-31 | 昆山升菖电子有限公司 | Adjustable crosses tin stove tool |
| CN107018626A (en) * | 2017-03-15 | 2017-08-04 | 东莞市秦智工业设计有限公司 | A kind of wiper mechanism of SMT tools |
| CN206963200U (en) * | 2017-06-02 | 2018-02-02 | 郑州市牧和电子产品有限公司 | Multifunctional jig |
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