CN209043939U - A kind of hold-down devices of thimble test fixture - Google Patents
A kind of hold-down devices of thimble test fixture Download PDFInfo
- Publication number
- CN209043939U CN209043939U CN201821475856.4U CN201821475856U CN209043939U CN 209043939 U CN209043939 U CN 209043939U CN 201821475856 U CN201821475856 U CN 201821475856U CN 209043939 U CN209043939 U CN 209043939U
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- China
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- plate
- bottom plate
- top plate
- test fixture
- thimble test
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- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000003825 pressing Methods 0.000 claims description 27
- 230000001141 propulsive effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000003139 buffering effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
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- Tests Of Electronic Circuits (AREA)
Abstract
The utility model discloses a kind of hold-down devices of thimble test fixture, the hold-down devices of the thimble test fixture are mounted on bottom plate and sky plate, bottom plate, are equipped with operation slot；Sky plate, set on the lower section of the bottom plate, and the elastic connection between the bottom plate；The hold-down devices of the thimble test fixture include two propulsive mechanisms, are set on the bottom plate, and are located at the opposite two sides of the sky plate；Pushing block is connected on the propulsive mechanism；Voussoir is installed in the sky plate, and corresponds to the pushing block, and the voussoir has an inclined-plane, and the inclined-plane is towards the pushing block.The hold-down devices of the utility model, effectively save the upper down space of entire jig, save the cost simultaneously, buffer spring part is housed between plate and fixed air cylinder board, there is cushion effect when sky plate pushes, the hard contact for reducing the objects such as sky plate and support plate increases the service life of the components such as sky plate or support plate.
Description
Technical Field
The utility model relates to a fields such as printed circuit board detects specifically are a thimble test fixture's device that pushes down.
Background
PCB boards, also known as printed circuit boards, are providers of electrical connections for electronic components. Its development has been over 100 years old; the design of the method is mainly layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate.
Common test type tool in the existing market, the needle support plate all sets up inside the box, troublesome poeration when demolising, repairing and changing test gold board, and the time spent is longer, still damages the test board face original paper easily in operation, uses inconveniently. During the test, adopt the cylinder directly to push down the pressure plate mechanism usually, it is bulky, occupation space is big, and the equipment is inconvenient. In addition, the pressing mechanism designed in the factory at present is single, the air cylinder is used for locking the top plate to press down, and the occupied upper and lower spaces are large.
Disclosure of Invention
The utility model aims at: the utility model provides a push down device of thimble test fixture to solve directly to adopt the structure that the cylinder pushed down perpendicularly among the prior art, can effectually simplify the space that occupies of push down device.
The technical scheme for realizing the purpose is as follows: the downward pressing device of the thimble test jig is arranged on a bottom plate and a top plate, and the bottom plate is provided with an operation groove hole; the top plate is arranged below the bottom plate and is elastically connected with the bottom plate; the pressing device of the thimble test jig comprises two pushing mechanisms, wherein the two pushing mechanisms are arranged on the bottom plate and are positioned on two opposite sides of the top plate; the pushing block is connected to the pushing mechanism; the wedge block is arranged on the top plate and corresponds to the push block, and the wedge block is provided with an inclined surface facing the push block; when the two propelling mechanisms synchronously propel forwards, the pushing block presses and holds the inclined plane and pushes the top plate downwards.
In a preferred embodiment of the present invention, the pressing device of the thimble test fixture further includes a spring member connected between the top plate and the bottom plate.
In a preferred embodiment of the present invention, the spring member is provided with 2 sets, each set of the spring member is located on one side of the top plate and corresponds to a propulsion mechanism.
In a preferred embodiment of the present invention, the propulsion mechanism includes a propulsion cylinder; the two sliding rails are respectively arranged on two sides of the propulsion cylinder in parallel; the bottom of each connecting piece is provided with a pulley matched with the corresponding sliding rail, and the pulleys are correspondingly arranged on the corresponding sliding rails; one end of the connecting piece is vertically fixed on two sides of the push block.
The utility model has the advantages that: the utility model discloses a push down the device, the effectual upper and lower space of having saved whole tool practices thrift the cost simultaneously, is equipped with the buffering spring part between board and the fixed cylinder board, has the buffering power when the sky board pushes down, has reduced the rigid contact of things such as sky board and support plate, has increased the life of parts such as sky board or support plate.
Drawings
The invention is further explained below with reference to the figures and examples.
Fig. 1 is a schematic structural view of an ejector pin testing jig according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a pressing device according to an embodiment of the present invention.
Wherein,
1, an upper pressing plate mechanism; 2, brushing a gun;
3 days for plating; 4, pressing a plate mechanism;
5, carrying a plate; 61 lower connecting piece;
62, an upper connecting piece; 7 a second cylinder;
8, an access door; 11 side plates;
12 a base plate; 13 a top plate;
121 operating the through hole slot of the slot hole 131;
9, limiting columns; 41 control switch;
100 a press down device; 110 a propulsion mechanism;
120, a push block; 130 wedge blocks;
140 a spring member; 111 propulsion cylinders;
112 a slide rail; 113 connecting element.
Detailed Description
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.
Example (b): as shown in fig. 1, a thimble testing jig includes an upper pressing plate mechanism 1, a brush gun 2, a top plate 3, a lower pressing plate mechanism 4, a carrier plate 5, a lower connecting member 61, an upper connecting member 62, a second cylinder 7, an access door 8, and a lower pressing device 100.
The brush gun 2 is arranged in the upper pressing plate mechanism 1. In this embodiment, the upper platen mechanism 1 includes a side plate 11, a bottom plate 12, and a top plate 13 made of sheet metal parts, and the side plate 11 encloses a rectangular outer frame; the bottom plate 12 is fixed below the side plate 11; one side of the top plate 13 is hinged to the upper side of one of the side plates 11. Specifically, the top plate 13 is hinged to one of the side plates 11 through a hinge. The top plate 13 is provided with a through hole groove 131, and the brush gun 2 penetrates through the through hole groove 131. The upper connecting piece is fixed at the bottom of the upper pressing plate mechanism 1. The lower pressing mechanism is arranged in the upper pressing plate mechanism; the top plate 3 is arranged at the bottom of the upper pressing plate mechanism and is connected with the lower pressing mechanism;
the support plate 5 is arranged on the upper surface of the lower pressing plate mechanism 4 and corresponds to the top plate 3. The lower connecting pieces 6 are fixed on the upper surface of the lower pressing plate mechanism 4, and each lower connecting piece 61 is hinged with an upper connecting piece 62; specifically, a shaft hole is formed at a corresponding position between the lower connecting piece 61 and the upper connecting piece 62, and a rotating shaft is arranged in the shaft hole. The second cylinder 7 comprises a cylinder body and a piston rod, the cylinder body is fixed in the lower pressing plate mechanism 4, and the piston rod extends upwards from the cylinder body and is hinged to the bottom of the upper pressing plate mechanism 1. And the limiting column 9 is vertically fixed on the upper surface of the lower pressing plate mechanism 4. And the upper end of the limiting column 9 is provided with an inductor.
The bottom side of the access door 8 is hinged to the lower pressing plate mechanism 4 through a hinge. The utility model discloses a thimble test fixture still includes the thimble and detects the controller commonly used, and this controller setting still is equipped with corresponding control switch on the lower pressure plate mechanism 4 in the pressure plate mechanism 4 down, and inductor and control switch all are connected to on the controller. This controller is thimble detection control ware commonly used, and its circuit structure is not the utility model discloses an improvement point, no longer give unnecessary details to this one by one.
As shown in fig. 2, the push-down device 100 of the thimble test jig is disposed on the bottom plate 12 and the top plate 3.
Specifically, the bottom plate 12 is provided with an operation slot 121; the top plate 3 is arranged below the bottom plate 12 and is elastically connected with the bottom plate 12, and the position of the top plate corresponds to the operation slot hole.
The pushing device 100 of the thimble test fixture comprises two pushing mechanisms 110, a pushing block 120, a wedge 130 and a spring 140.
The two propelling mechanisms 110 are arranged on the bottom plate and are positioned at two opposite sides of the top plate; the pushing block 120 is connected to the pushing mechanism 110; the propulsion mechanism 110 comprises a propulsion cylinder 111, two slide rails 112 and two connecting pieces 113, wherein the two slide rails are respectively arranged on two sides of the propulsion cylinder 111 in parallel; pulleys matched with the slide rails are arranged at the bottoms of the two connecting pieces, and the pulleys are correspondingly arranged on the slide rails; one end of the connecting member is vertically fixed at both sides of the push block 120.
The wedge block 130 is installed on the top plate and corresponds to the push block 120, and the wedge block 130 has an inclined surface facing the push block 120; when the two pushing mechanisms 110 are synchronously pushed forward, the pushing block 120 presses on the inclined plane and pushes the top plate downwards.
A spring member 140 is connected between the top plate and the bottom plate. The spring member 140 has 2 sets, and each set of the spring member 140 is located at one side of the top plate and corresponds to one propelling mechanism 110.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The downward pressing device of the thimble test jig is characterized in that the downward pressing device of the thimble test jig is arranged on a bottom plate and a top plate, and the bottom plate is provided with an operation groove hole; the top plate is arranged below the bottom plate and is elastically connected with the bottom plate;
the thimble test fixture's push-down device includes
The two propelling mechanisms are arranged on the bottom plate and are positioned on two opposite sides of the top plate;
the pushing block is connected to the pushing mechanism;
the wedge block is arranged on the top plate and corresponds to the push block, and the wedge block is provided with an inclined surface facing the push block;
when the two propelling mechanisms synchronously propel forwards, the pushing block presses and holds the inclined plane and pushes the top plate downwards.
2. The pressing device of the thimble test fixture according to claim 1, further comprising a spring member connected between the top plate and the bottom plate.
3. The pressing device of an ejector pin testing jig according to claim 2, wherein the spring member is provided with 2 groups, each group of the spring member is located on one side of the top plate and corresponds to a pushing mechanism.
4. The pressing device of the thimble test fixture according to claim 1, wherein the pushing mechanism comprises a pushing mechanism
Propelling the cylinder;
the two sliding rails are respectively arranged on two sides of the propulsion cylinder in parallel;
the bottom of each connecting piece is provided with a pulley matched with the corresponding sliding rail, and the pulleys are correspondingly arranged on the corresponding sliding rails; one end of the connecting piece is vertically fixed on two sides of the push block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821475856.4U CN209043939U (en) | 2018-09-10 | 2018-09-10 | A kind of hold-down devices of thimble test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821475856.4U CN209043939U (en) | 2018-09-10 | 2018-09-10 | A kind of hold-down devices of thimble test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043939U true CN209043939U (en) | 2019-06-28 |
Family
ID=67032774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821475856.4U Active CN209043939U (en) | 2018-09-10 | 2018-09-10 | A kind of hold-down devices of thimble test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209043939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111712125A (en) * | 2020-05-29 | 2020-09-25 | 苏州浪潮智能科技有限公司 | Method, system, equipment and medium for detecting jig space on PCB |
-
2018
- 2018-09-10 CN CN201821475856.4U patent/CN209043939U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111712125A (en) * | 2020-05-29 | 2020-09-25 | 苏州浪潮智能科技有限公司 | Method, system, equipment and medium for detecting jig space on PCB |
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