CN112975823B - Mainboard dismouting device - Google Patents
Mainboard dismouting device Download PDFInfo
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- CN112975823B CN112975823B CN202110229765.2A CN202110229765A CN112975823B CN 112975823 B CN112975823 B CN 112975823B CN 202110229765 A CN202110229765 A CN 202110229765A CN 112975823 B CN112975823 B CN 112975823B
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- top plate
- plate
- wrench
- bottom plate
- adapter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
Abstract
The invention discloses a mainboard dismounting device, which comprises: the lifting structure is respectively fixedly connected with the bottom plate and the top plate and used for controlling the top plate to do lifting movement relative to the bottom plate, and the elastic element is arranged below the top plate and used for allowing the top plate to move downwards when the top plate is pressed and enabling the top plate to return to the original position after the pressure is relieved. The invention has simple structure and reasonable design, can disperse the pressure on the pins during the disassembly and assembly through the specific arrangement of the lifting structure, can ensure that the working surface of the process of installing and disassembling the mainboard keeps horizontal through the arrangement of the elastic element, the fastening nut and the level gauge, further better protects the pins, can disassemble and assemble product mainboards with different positions through selecting the supporting plates and the adapter plates with different hole positions, and has stronger universality.
Description
Technical Field
The invention relates to the technical field of testing devices, in particular to a dismounting device for a mainboard.
Background
The PC104 is used as a mature embedded computer mainboard and widely applied to various products, in each product, the connection between the PC104 and the printed board plug-in is mainly in a direct insertion mode, and in the production process, the PC104 needs to be disassembled and assembled for many times due to the process requirements. The existing disassembling method is manually disassembled by a technician, so that the phenomenon of stitch deformation and even breakage is easily caused, and the reliability of product debugging is greatly influenced.
Disclosure of Invention
In order to solve the above problems, the present invention provides a motherboard dismounting device.
The technical scheme of the invention is as follows:
a main board attaching and detaching apparatus for attaching or detaching a main board to or from a printed board, comprising:
the bottom plate is used for mounting a printed board, and a plurality of first positioning columns are arranged on the bottom plate;
the top plate is used for installing a main plate, through holes with the same quantity and size as the first positioning columns are formed in the top plate, and the first positioning columns just penetrate through the through holes, so that the top plate can do lifting movement on the first positioning columns;
the elastic element is arranged below the top plate and used for allowing the top plate to move downwards when the top plate is pressed and restoring the top plate to the original position after the pressure is relieved;
a lifting structure, the lifting structure is fixedly connected with the bottom plate and movably connected with the top plate,
the lifting mechanism is used for driving the top plate to do lifting movement relative to the bottom plate and controlling the lifting amplitude. Further, the lifting structure includes:
each group of second positioning columns comprises two second positioning columns which are respectively arranged on two opposite sides of the bottom plate, and the height of each positioning column is higher than that of the top plate;
two ends of the beam are respectively arranged on the two second positioning columns which are oppositely arranged;
one end of the wrench is mounted on the beam, the other end of the wrench is a free end, and the wrench can perform circular motion by taking the beam as an axis; the wrench is arranged in the middle of the beam;
a cam having a base circle coaxially disposed on the beam;
a cam follower provided below the cam, the cam follower being in contact with the cam;
the fixing seat is arranged on the top plate and is movably connected with the cam follower.
Furthermore, two ends of the beam are respectively installed on the corresponding second positioning columns through a first fixed bearing and a first fastener fixedly connected with the first fixed bearing.
Further, the number of the cams is at least 2, the different cams are respectively arranged on two sides of the wrench, the cam followers are bearings, and the number of the bearings is consistent with that of the cams.
Furthermore, a level meter is arranged on the top plate.
Furthermore, the number of the first positioning columns is at least 4, and at least 4 first positioning columns are respectively positioned at four corners of the rectangle; the second positioning column penetrates through the top plate.
Furthermore, the elastic element is a pressure spring, the pressure spring is sleeved on the first positioning column, one end of the pressure spring is fixedly connected with or abutted against the bottom plate, and the other end of the pressure spring is fixedly connected with or abutted against the top plate.
Furthermore, a fastening nut capable of adjusting the tightness of the pressure spring is arranged between the other end of the pressure spring and the top plate, and the top plate can be adjusted to a horizontal position by mutually matching and adjusting the fastening nuts corresponding to the pressure springs.
Furthermore, the device also comprises a supporting plate, wherein the supporting plate is arranged on the upper surface of the bottom plate, and the supporting plate is detachably connected or fixedly connected with the bottom plate.
Further, still include an adapter plate, the adapter plate setting is located the roof below, the adapter plate with the detachable connection of roof or fixed connection
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
(1) The mainboard dismounting device provided by the invention has the advantages of simple structure, reasonable design, convenient operation and liberation of manpower, and can realize machine dismounting of the mainboard.
(2) According to the mainboard dismounting device provided by the invention, through the design of the specific structure of the lifting structure, the dismounting space vertical to a short distance can be expanded to a 180-degree semicircular space, the pressure on the pins during dismounting can be dispersed by prolonging the operating distance, the pins can be better protected, and the problem that the pins of the mainboard are easy to deform and break in the conventional dismounting mode is solved.
(3) The mainboard dismounting device provided by the invention can realize horizontal dismounting of the mainboard, and a level meter on the device can observe the horizontal degree at any time, so that the contact pin and the socket are kept horizontal in the process of mounting and dismounting the mainboard, and pins are protected better.
(4) According to the mainboard dismounting device provided by the invention, the working surface can be kept horizontal in the processes of installing and dismounting the mainboard by adjusting the tightness degree of the pressure spring and combining the observation of the level meter.
(5) The main board dismounting device provided by the invention can be used for mounting supporting plates and adapter plates with different specifications, and the supporting plates and the adapter plates with different specifications are provided with screw holes with different hole positions, so that products with different types and different dismounting positions can be matched, and the main board dismounting device has stronger universality.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
fig. 1 is a schematic front view of a main board dismounting device according to an embodiment of the present invention;
FIG. 2 is a schematic side view of an embodiment of a motherboard assembling and disassembling device according to the present invention;
FIG. 3 is a schematic partial structural view of an embodiment of a motherboard dismounting device according to the present invention;
description of reference numerals:
1: a base plate; 11: a first positioning post; 12: a first fastener; 13: a support plate; 2: a top plate; 21: a through hole; 22: a second positioning column; 23: a first fixed bearing; 24: a second fastener; 25: a level gauge; 26: a patch panel; 27: compressing the spring; 311: a wrench; 312: a beam; 32: a cam; 33: a cam follower; 34: a fixed seat.
Detailed Description
The following describes a main board dismounting device according to the present invention in detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are each provided with a non-precise ratio for the purpose of facilitating and clearly facilitating the description of the embodiments of the present invention.
Referring to fig. 1-3, an embodiment of the main board attaching and detaching device of the present invention is shown. Shown mainboard dismouting device includes:
a base plate (1) for fixing a printed board, the shape of which is shown as a square in fig. 1 and 2, and may be a circle, a regular polygon, or the like, as long as the same function as described in the present invention can be achieved, and the shape of the base plate (1) is not particularly limited herein; four corners of the bottom plate (1) are respectively provided with a first positioning column (11); two opposite sides of the bottom plate (1) are respectively provided with second positioning columns (22), the number of the second positioning columns is at least one, each group of second positioning columns (22) comprises two second positioning columns (22), and the two second positioning columns (22) are respectively arranged on two opposite sides of the bottom plate (1), respectively penetrate through the top plate (2) and are higher than the top plate; the first positioning column and the second positioning column can be preferably cylindrical in shape, and can also be cylinders with other shapes. In the embodiment shown in fig. 1 and fig. 2, two sides of the bottom plate (1) are respectively provided with a second positioning column (22);
and the top plate (2) is used for fixing the main plate, and the shape of the top plate is square in the embodiment, and can also be circular, regular polygon and the like, and the top plate is not limited here. The top plate (2) is provided with through holes (21) corresponding to the number and the positions of the first positioning columns (11), the first positioning columns (11) can just penetrate through the through holes (21), so that the top plate (2) can vertically lift on the first positioning columns (11), in the implementation structure shown in the figures 1-3, the number of the first positioning columns (11) is 4, but the invention does not limit the number of the first positioning columns, the integral structure is firmer when the number is larger, the levelness of the top plate (2) relative to the bottom plate (1) is higher, and therefore, the stitch deformation and fracture caused by angle deviation are not easy to occur during installation;
the elastic element is arranged below the top plate (2) and used for allowing the top plate (2) to move downwards when the top plate (2) is pressed and restoring the top plate (2) to the original position after the pressure is relieved, and in the embodiment shown in the figures 1 and 2, the elastic element can be a compression spring (27), and the compression spring (27) is sleeved on the second positioning column (22);
the lifting structure is fixedly connected with the bottom plate (1), movably connected with the top plate (2), and used for driving the top plate (2) to do lifting movement relative to the bottom plate (1) and controlling the lifting amplitude.
In this embodiment, the lifting structure includes:
each group of second positioning columns (22) comprises two second positioning columns (22), and the two second positioning columns (22) are respectively arranged on two opposite sides of the bottom plate (1) and respectively penetrate through the top plate (2);
two ends of the beam (312) are respectively arranged on the two opposite second positioning columns (22); the wrench (311) is arranged on the beam (312) at one end, the other end of the wrench (311) is a free end, the wrench (311) can do circular motion by taking the beam (312) as an axis, and the wrench (311) is arranged in the middle of the beam (312);
cams (32) having base circles coaxially disposed on the beam (312), the number of the cams (32) being 2, which are respectively disposed at both ends of the wrench (311);
a cam follower (33) which is provided below the cam (32) and contacts with the cam (32), wherein the cam follower (33) may be a roller bearing or a roller, the cam follower (33) shown in fig. 1 is a roller bearing, and the number and the position of the cam followers (33) correspond to the number and the position of the cam (32);
the fixing seat (34) is arranged on the top plate (2), the cam follower (33) is arranged on the fixing seat (34), and the fixing seat (34) is used for fixing the cam follower (33).
In a preferred implementation structure of the main board dismounting device provided by the invention, two ends of the beam (312) are respectively installed on the second positioning column (22) through a first fixed bearing (23) and a first fastener (12) fixedly connected with the first fixed bearing (23); the elastic element is a pressure spring (27), the pressure spring (27) is sleeved on the outer side of the second positioning column (22), and one end of the pressure spring (27) is abutted against the bottom plate (1); the other end of pressure spring (27) with be equipped with between roof (2) and adjust fastening nut (12) of pressure spring elasticity, be equipped with the internal thread in through-hole (21) of roof (2), this fastening nut (12) are equipped with the external screw thread, this fastening nut lower extreme with pressure spring (27) upper end butt, rotatory fastening nut (12) can adjust the elasticity of pressure spring (27), and then realizes the fine setting to the horizontal angle of roof (2) through the rotation to each fastening nut on each pressure spring (27), and this place is not injectd.
When a mainboard product is installed, the angle of a wrench (311) is adjusted firstly, the cam (32) rotates at the moment, and because the lengths of the peripheral surface of the cam and the camshaft are different, the cam (32) rotates to press the cam driven part (33) downwards to change the height of the cam driven part, so that the top plate (2) descends relative to the bottom plate (1), and the mainboard is inserted on the printed board; when a mainboard product is disassembled, the cam (32) is rotated from the highest point of the peripheral surface to a smaller height by adjusting the angle of the wrench, the pressure on the top plate (2) is gradually reduced, an upward moving space is provided for the top plate (2), and because the pressure spring (27) is in a compressed state, when the pressure of the cam (32) on the top plate (2) is reduced, the upward elastic force of the pressure spring (27) can lift the top plate (2) upwards, so that the top plate (2) is lifted to move upwards, and the mainboard is separated from the printed board.
The mainboard dismouting device that here provided elevation structure extends short distance vertically dismouting space to 180 degrees semi-circular spaces, and this structure leads to operating distance's extension to the pressure that the stitch received during dispersion dismouting, protection stitch that can be better.
In the preferable implementation structure of the mainboard dismounting device, the top plate (2) is provided with the level gauge (25), the level state of the top plate (2) can be observed at any time through the level gauge (25), and the process of mounting or dismounting the mainboard is facilitated to keep the pins and the sockets horizontal.
Furthermore, a supporting plate (13) is arranged on the bottom plate (1), the supporting plate (13) is movably connected with the bottom plate (1), an adapter plate (26) is arranged on the top plate (2), and the adapter plate (26) is movably connected with the top plate (2). The connection mode of the supporting plate (13) and the bottom plate (1) and the connection mode of the adapter plate (26) and the top plate (2) are not limited, and besides screw fixation, the connecting device can also be in movable connection modes such as a clamping groove and a buckle. The supporting plate (13)/the adapter plate (26) are provided with a plurality of screw holes, products of different models are fixed on the supporting plate (13)/the adapter plate (26) through shaft pin screws, and then the supporting plate (13)/the adapter plate (26) is fixed on the bottom plate (1)/the top plate (2). The supporting plate (13)/the adapter plate (26) is used for avoiding the inconvenience caused by fixing products in a narrow space, the manual operation is more convenient, and different supporting plates (13)/adapter plates (26) can be selected to correspond to mainboard products of various models and specifications, so that the mainboard dismounting device has stronger universality.
The mainboard product is installed by installing the mainboard on the printed board, and the steps of installing the mainboard product by using the mainboard dismounting device are as follows:
in a first step, the printed boards are fastened to the respective carrier plates (13) and the carrier plates (13) are mounted on the base plate (1).
And secondly, selecting an adapter plate (26) corresponding to the model of the product to be installed, fixing the main board to be installed on the adapter plate (26), and installing the adapter plate (26) below the top plate (2).
And thirdly, adjusting the angle of the wrench (311) to adjust the height of the top plate (2) to a proper position.
And fourthly, adjusting a fastening nut on the second positioning column (22), observing the reading of the level (25) instrument on the top plate (2), and adjusting the top plate (2) to the horizontal position.
And fifthly, adjusting the angle of the wrench (311) to lower the top plate (2), inserting the mainboard to be installed into the printed board, and detaching the supporting plate (13) and the adapter plate (26) after the pins are determined to be completely inserted, so that the whole step is completed.
The steps of detaching the product from the printed board by using the mainboard detaching device are as follows:
firstly, the main board and the printed board which are connected together are fastened to the corresponding supporting plate (13) and the corresponding adapter plate (26) respectively by fastening shaft pin screws.
And secondly, adjusting the angle of the wrench (311) to adjust the top plate (2) to a proper height position.
And thirdly, mounting the supporting plate (13) with the product and the adapter plate (26) on the bottom plate (1) and the top plate (2).
And fourthly, adjusting the angle of the wrench (311), lifting the top plate (2), pulling out the mainboard to be disassembled from the printed board, and detaching the supporting plate (13) and the adapter plate (26) after the pins are completely pulled out, thereby completing the whole steps.
In the implementation structure of the mainboard dismounting device, which does not comprise the supporting plate (13) and the adapter plate (26), a product and a printed board can be respectively fastened on the bottom plate (1) and the top plate (2).
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is still within the scope of the present invention if they fall within the scope of the claims of the present invention and their equivalents.
Claims (7)
1. A main board attaching and detaching apparatus for attaching and detaching a main board to and from a printed board, comprising:
the bottom plate is used for mounting a printed board, and a plurality of first positioning columns are arranged on the bottom plate;
the top plate is used for installing a main plate, through holes with the same quantity and size as the first positioning columns are formed in the top plate, and the first positioning columns just penetrate through the through holes, so that the top plate can do lifting movement on the first positioning columns;
the elastic element is arranged below the top plate and is used for allowing the top plate to move downwards when the top plate is pressed and restoring the top plate to the original position after the pressure is relieved;
the lifting structure is fixedly connected with the bottom plate, movably connected with the top plate, and used for driving the top plate to do lifting movement relative to the bottom plate and controlling the lifting amplitude;
the supporting plate is arranged on the upper surface of the bottom plate and is detachably connected with the bottom plate;
the adapter plate is arranged below the top plate and is detachably connected with the top plate;
the connection mode of the supporting plate and the bottom plate and the connection mode of the adapter plate and the top plate are screw fixation, clamping groove connection or buckle connection; the supporting plate and the adapter plate are provided with a plurality of screw holes, and products of different models are fixed on the supporting plate and the adapter plate through shaft pin screws;
the elevation structure includes:
each group of second positioning columns comprises two second positioning columns which are respectively arranged on two opposite sides of the bottom plate, and the height of each positioning column is higher than that of the top plate;
two ends of the beam are respectively arranged on the two second positioning columns which are oppositely arranged;
one end of the wrench is mounted on the beam, the other end of the wrench is a free end, and the wrench can make circular motion by taking the beam as an axis; the wrench is arranged at the center of the beam;
a cam having a base circle coaxially disposed on the beam;
a cam follower provided below the cam, the cam follower being in contact with the cam;
the fixed seat is arranged on the top plate and is movably connected with the cam follower;
the installation step:
firstly, fastening printed boards to the corresponding support plates, and mounting the support plates on the bottom plate;
secondly, selecting the adapter plate corresponding to the model of the product to be installed, fixing the mainboard to be installed on the adapter plate, and installing the adapter plate under the top plate;
thirdly, adjusting the angle of the wrench to adjust the height of the top plate to a proper position;
fourthly, adjusting a fastening nut on the second positioning column, observing reading of a level gauge on the top plate, and adjusting the top plate to a horizontal position;
fifthly, adjusting the angle of the wrench to enable the top plate to descend, inserting the main board to be installed into a printed board, and detaching the supporting plate and the adapter plate after the pins are completely inserted to complete the whole step;
disassembling:
firstly, fastening a main board and a printed board which are connected together by fastening shaft pin screws to the corresponding supporting plate and the corresponding adapter plate respectively;
secondly, adjusting the angle of the wrench to adjust the top plate to a proper height position;
thirdly, mounting the supporting plate with the product and the adapter plate on the bottom plate and the top plate;
and fourthly, adjusting the angle of the wrench, enabling the top plate to ascend, pulling out the mainboard to be disassembled from the printed board, and detaching the supporting plate and the adapter plate after the pins are completely pulled out to complete the whole steps.
2. The main plate dismounting device according to claim 1, wherein two ends of the beam are respectively mounted on the corresponding second positioning posts through a first fixing bearing and a first fastening member fixedly connected with the first fixing bearing.
3. The main board dismounting device according to claim 1, wherein the number of said cams is at least 2, different ones of said cams are respectively disposed on both sides of said wrench, said cam followers are bearings, and the number of said bearings is identical to the number of said cams.
4. A main plate attaching and detaching device according to claim 1, wherein a level gauge is provided on said top plate.
5. The main board dismounting device according to claim 1, wherein the number of said first positioning posts is at least 4, and at least 4 of said first positioning posts are respectively located at four corners of a rectangle; the second positioning column penetrates through the top plate.
6. The main board dismounting device according to claim 1, wherein the elastic element is a compression spring, the compression spring is sleeved on the first positioning column, one end of the compression spring is fixedly connected with or abutted to the bottom plate, and the other end of the compression spring is fixedly connected with or abutted to the top plate.
7. The main board dismounting device according to claim 6, wherein a fastening nut capable of adjusting the tightness of the compression spring is provided between the other end of the compression spring and the top board, and the top board can be adjusted to a horizontal position by mutually matching and adjusting the fastening nuts corresponding to the compression springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110229765.2A CN112975823B (en) | 2021-03-02 | 2021-03-02 | Mainboard dismouting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110229765.2A CN112975823B (en) | 2021-03-02 | 2021-03-02 | Mainboard dismouting device |
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| Publication Number | Publication Date |
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| CN112975823A CN112975823A (en) | 2021-06-18 |
| CN112975823B true CN112975823B (en) | 2023-04-18 |
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| CN2686278Y (en) * | 2004-03-23 | 2005-03-16 | 番禺得意精密电子工业有限公司 | Test protection apparatus combination |
| US7243418B2 (en) * | 2004-06-22 | 2007-07-17 | Cummins, Inc. | Apparatus and method for opening a sealed module containing a circuit board |
| CN201937192U (en) * | 2010-12-27 | 2011-08-17 | 河南省电力公司商丘供电公司 | Power disconnector operating mechanism mounting tool |
| CN105136540B (en) * | 2015-09-01 | 2018-01-23 | 常德金鹏印务有限公司 | One kind packaging adaptive automatic sample device and its operating method |
| CN205509212U (en) * | 2016-03-23 | 2016-08-24 | 苏州福莱盈电子有限公司 | Circuit board plug device |
| KR101921512B1 (en) * | 2017-01-04 | 2018-11-27 | 한국수력원자력 주식회사 | Device and method for assembling and disassembling coupling |
| CN108803100B (en) * | 2018-08-16 | 2023-10-27 | 武汉精测电子集团股份有限公司 | Manual crimping jig |
| CN109167234B (en) * | 2018-09-06 | 2019-09-20 | 北京机械设备研究所 | It is a kind of in parallel to making sheet aid-pulling device of printing in |
| CN110493966A (en) * | 2019-09-20 | 2019-11-22 | 北京东土科技股份有限公司 | Core circuit plate mechanism for assembling-disassembling |
| CN110877133B (en) * | 2019-10-21 | 2021-09-10 | 中国航空工业集团公司洛阳电光设备研究所 | Laser crystal welding device and welding method based on automatic force compensation |
| CN211073418U (en) * | 2019-11-11 | 2020-07-24 | 天津市海日电子有限公司 | Pulling assisting device for disassembling circuit board component |
| CN212096171U (en) * | 2020-05-06 | 2020-12-08 | 深圳市福金鹰电子有限公司 | Novel pressfitting device of connector |
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