CN115453331A - Lifting mechanism of board feeding test equipment - Google Patents
Lifting mechanism of board feeding test equipment Download PDFInfo
- Publication number
- CN115453331A CN115453331A CN202211244667.7A CN202211244667A CN115453331A CN 115453331 A CN115453331 A CN 115453331A CN 202211244667 A CN202211244667 A CN 202211244667A CN 115453331 A CN115453331 A CN 115453331A
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- CN
- China
- Prior art keywords
- lifting
- frame
- pushing
- board
- plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention discloses a lifting mechanism of a plate feeding test device, which comprises: the lifting mechanism comprises a connecting frame fixedly arranged on the rack, a lifting frame used for bearing the circuit board and a connecting lifting frame are arranged on the connecting frame, and the lifting mechanism is used for lifting the lifting frame.
Description
Technical Field
The invention relates to the technical field of board feeding test equipment, in particular to a lifting mechanism of the board feeding test equipment.
Background
In the trade of production processing circuit board, for guaranteeing the performance of circuit board normally, testing procedure is indispensable, and in the present board test equipment that send, because do not have lifting accredited testing organization, consequently when testing circuit board, other circuit boards can't continue to carry through sending board test equipment, can only wait that the circuit board test of testing finishes, just can continue to transport the circuit board, and its detection efficiency is low.
The patent of the invention adopts the structure to realize the automatic carrying and automatic detection functions of the circuit board, needs to arrange a conveying device beside the test equipment, has large floor area, and has complex structure and high cost because the feeding, blanking and conveying device needs to be additionally arranged.
In the process of testing the circuit board, the circuit board is continuously stressed downwards, fine vibration easily damages precise electronic components, and a mechanism for supporting the circuit board has higher stability requirement, so that the lifting mechanism in the circuit board testing equipment is a technical scheme which is difficult to effectively realize in the industry at present.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a lifting mechanism for a board feeding testing device, which can effectively lift a circuit board for testing.
The technical scheme adopted by the invention for solving the technical problem is to provide a lifting mechanism of a board feeding test device, wherein the board feeding test device comprises: the lifting mechanism comprises a connecting frame fixedly arranged on the rack, a lifting frame used for bearing the circuit board and connected with the lifting frame are arranged on the connecting frame, and a lifting device used for lifting the lifting frame is arranged on the connecting frame.
As a further improvement of the present invention, the lifting device is a two-stage lifting device, the two-stage lifting device includes a first lifting component and a second lifting component of the jacking and lifting frame, the second lifting component includes a pushing plate and a pushing driving device for driving the pushing plate to move, the upper surface of the pushing plate has a first pushing inclined surface, and when the first lifting component lifts the lifting frame to the working area of the pushing plate, the pushing plate pushes and supports the lifting frame through the first pushing inclined surface.
As a further improvement of the invention, the pushing driving device is an X-axis driving piece which drives the pushing plate to move horizontally.
As a further improvement of the invention, the two-section lifting assembly further comprises a pushing connecting plate connected with the pushing plate and an X-axis sliding rail assembly connected with the connecting frame and the pushing connecting plate, and the X-axis driving piece is arranged on the connecting frame and drives the pushing connecting plate to horizontally move on the X-axis sliding rail assembly.
As a further improvement of the invention, the lifting frame comprises a lifting main frame and supporting pieces arranged at two ends of the lifting main frame, and the top push plate pushes the supporting pieces.
As a further development of the invention, the support element can be rotated on the lifting frame about its axis.
As a further improvement of the invention, the upper surface of the top pushing plate is also provided with a bearing plane.
As a further improvement of the invention, the lifting assembly comprises a Z-axis driving piece which is connected to the connecting frame and used for driving the lifting frame to move up and down.
As a further improvement of the invention, the connecting frame is provided with a Z-axis slide rail assembly, and the lifting frame is connected to the Z-axis slide rail assembly and can slide up and down.
As a further development of the invention, the frame comprises a conveyor belt assembly which bears the lifting frame when the lifting device is not lifting the lifting frame.
The beneficial effects of the invention are:
1. the lifting mechanism is adopted to carry out the plate conveying test, the lifting frame is pushed and supported by the transverse movement of the pushing plate, the pushing plate bears the irregularly downward pressure on the lifting frame in the process of testing the circuit board, but the pressure of the part is not applied to an X-axis driving piece driving the pushing plate to transversely move, but the pushing connecting plate connected with the pushing plate and an X-axis sliding rail assembly connected with the pushing connecting plate directly bear the downward pressure, the X-axis sliding rail assembly is directly and fixedly arranged on the connecting frame, the direction of the pressure is perpendicular to the direction driven by the X-axis driving piece, so that the X-axis driving piece cannot be compressed due to stress in the working process of the pushing plate, the X-axis sliding rail assembly vibrates or is not stable, the lifting frame is also connected to the Z-axis driving piece, the left-right vibration cannot occur, the left-right deflection of the Z-axis driving piece cannot occur, the conveying efficiency of other equipment for testing the circuit board is improved, and the conveying efficiency of the circuit board is improved.
2. The lifting mechanism is divided into two sections for lifting, the first section is rapid lifting, the passing rate of the circuit board is improved, the beat is shortened, and the efficiency is improved; the second section is lifted at a low speed and used for accurately positioning the circuit board, so that each test interface of the circuit board is accurately positioned and uniformly stressed.
Drawings
FIG. 1 is a state diagram of the present invention in use in a board transport test apparatus;
FIG. 2 is a schematic view of the present invention when not lifted;
FIG. 3 is a schematic diagram of the present invention in a raised configuration;
FIG. 4 is an exploded view of a portion of the structure of the present invention;
FIG. 5 is a schematic view of a part of the structure of the present invention when not lifted;
FIG. 6 is a schematic illustration of a partially constructed two-stage lift assembly of the present invention in operation;
FIG. 7 is an exploded view of the structure of the lift frame of the present invention;
figure 8 is a block diagram of the top blade of the present invention.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following with reference to the attached drawings.
Referring to fig. 1 to 8, the present invention provides a lifting mechanism of a board feeding testing device, including: the device comprises a rack 1 and a test component 6 arranged on the rack 1, wherein a lifting mechanism comprises a connecting frame 7 fixedly arranged on the rack 1, and a lifting frame 4 for supporting a circuit board and a lifting device which is connected with the lifting frame 4 and is used for lifting the lifting frame 4 are arranged on the connecting frame 7; the lifting device is a two-section lifting device, the two-section lifting device comprises a first section lifting assembly 3 of a lifting frame 4 and a second section lifting assembly 5, the second section lifting assembly 5 comprises a top push plate 51 and a pushing driving device for driving the top push plate 51 to move, the upper surface of the top push plate 51 is provided with a first pushing inclined surface 511, and when the first section lifting assembly 3 lifts the lifting frame 4 to the working area of the top push plate 51, the top push plate 51 pushes and supports the lifting frame 4 through the first pushing inclined surface 511; the specific movement process is that, firstly, a tested circuit board enters the interior of the board conveying test equipment through the conveyor belt component 2, as can be seen from the exploded view in fig. 4, the blocking motor 11 is arranged on the rack 1, the circuit board is abutted against the blocking motor 11, and the blocking motor 11 plays a role in limiting and positioning, then, the lifting frame 4 is lifted by the first section of lifting component 3, so that the lifting frame 4 supports the circuit board to ascend, a positioning pin is arranged on the lifting frame 4 to position and limit the circuit board, when the first section of lifting component 3 is lifted to a certain height, the second section of lifting component 5 drives the top push plate 51 to push and lift the lifting frame 4 for a certain distance through the pushing driving device, and when the second section of lifting component 5 stands still, the top push plate 51 supports the lifting frame 4 to test the circuit board; because the prior art has a great number of different types of test assemblies 6, the test principle is the same, so the invention can be used together, and the structural structure of the test assemblies 6 is not elaborated too much.
The pushing driving device is an X-axis driving piece for driving the pushing plate 51 to move horizontally; the X-axis driving piece is in screw rod transmission or linear transmission of the X-axis cylinder 54.
The two-section lifting assembly 5 further comprises a pushing connecting plate 52 connected with the pushing plate 51 and an X-axis sliding rail assembly 53 connected with the connecting frame 7 and the pushing connecting plate 52, the X-axis driving piece is arranged on the connecting frame 7 and drives the pushing connecting plate 52 to horizontally move on the X-axis sliding rail assembly 53; as can be seen from the exploded view of fig. 4, a first limiting groove 521 and a second limiting boss 522 are arranged on the pushing connecting plate 52, one of the pushing plates 51 is arranged in the first limiting groove 521, the inner side wall of the lower side of the first limiting groove 521 contacts with the pushing plate, the other of the pushing plates 51 is arranged on the upper portion of the second limiting boss 522, the outer side wall of the upper side of the second limiting boss 522 contacts with the other pushing plate, and the first limiting groove 521 and the second limiting boss 522 are designed to enable the pushing connecting plate 52 to share part of the downward pressure generated by the supporting and lifting frame 4.
The lifting frame 4 comprises a lifting main frame 43 and supporting pieces 41 arranged at two ends of the lifting main frame 43, and the jacking plate 51 pushes the supporting pieces 41; as can be seen from fig. 5, the first section of lifting component 3 lifts the lifting main frame 43 directly, a position where the lifting main frame 43 is matched with the first section of lifting component 3 is provided with a clamping groove, the first section of lifting component 3 is provided with a matching block matched with the clamping groove, and the matching and limiting effects are achieved, and as the positions pushed by the first section of lifting component 3 and the top pushing plate 51 are different, when the lifting component is switched to lift, smooth switching can be achieved without other special matching and connection; the both ends of lifting body frame 43 still are equipped with spacing cooperation piece 42, and spacing cooperation piece 42 is installed in one side of Z axle slider 321, and when the circuit board unstability dropped, spacing cooperation piece 42 can restrict the direction of dropping of Z axle slider 321.
The support 41 is rotatable on the lifting main frame 43 about the axis of the support 41; because the top push plate 51 needs to push and lift the supporting member 41, as a preferred scheme of the present invention, the supporting member 41 should be a rotating part so that the supporting member 41 can rotate on the lifting main frame 43, and friction generated by mutual movement of the supporting member 41 and the top push plate 51 during work is reduced, thereby prolonging the service life and the use effect of the product, and also effectively reducing vibration generated by the lifting frame 4 during pushing.
The upper surface of the top push plate 51 is also provided with a bearing plane 512; as can be seen from fig. 8, due to the problems of processing errors and matching accuracy, the same height cannot be achieved after the lifting frame 4 is lifted by one section of the lifting assembly 3 at each time, and therefore the first pushing inclined plane 511 is arranged to be compatible with the lifting frame 4 with different processing errors for lifting, and after the pushing plate 51 moves transversely for a certain distance, the supporting piece 41 on the lifting frame 4 is placed on the supporting plane 512 of the pushing plate 51 to effectively support the lifting frame 4.
The lifting assembly 3 comprises a Z-axis driving piece which is connected to the connecting frame 7 and used for driving the lifting frame 4 to move up and down; as a preferable scheme of the invention, the Z-axis driving part is a Z-axis cylinder 31, the Z-axis cylinder 31 is connected to the connecting frame 7 through a Z-axis transition plate 311 and pushes the lifting frame 4 to move up and down, and when the top push plate 51 supports the lifting frame 4, the Z-axis cylinder 31 does not need to be in contact with the lifting frame 4; the Z-axis transition plate 311 is arranged to enable a certain gap to be reserved between the Z-axis cylinder 31 and the connecting frame 7, so that the lifting frame 4 is prevented from contacting the connecting frame 7 when being pushed to move up and down.
A Z-axis sliding rail assembly 32 is arranged on the connecting frame 7, and the lifting frame 4 is connected to the Z-axis sliding rail assembly 32 and can slide up and down; the connecting frame 7 comprises a mounting side plate 12, the Z-axis slide rail assembly 32 comprises a Z-axis slide rail fixedly connected to the mounting side plate 12 and a Z-axis slide block 321 which slides up and down on the Z-axis slide rail and is connected with the lifting frame 4, so that the lifting frame 4 can only vertically slide up and down along the mounting direction of the Z-axis slide rail, the deviation of the left and right positions of the lifting frame 4 caused by vibration in the lifting process is avoided, the stability is improved, and the possibility of damage of electronic elements on a circuit board is reduced.
The X-axis slide rail assembly 53 comprises an X-axis slide rail 532 fixedly connected to the connecting frame 7 and an X-axis slide block 531 which slides left and right on the X-axis slide rail 532 and is connected to the pushing connecting plate 52; the X-axis slide rail 532 is arranged on the installation side plate 12, the lifting frame 4 is pushed and supported by the transverse movement of the pushing plate 51, the pushing plate 51 bears the irregularly downward pressure from the lifting frame 4 in the circuit board testing process, but the downward pressure is directly born by the pushing connecting plate 52 connected with the pushing plate 51 and the X-axis slide rail assembly 53 connected with the pushing connecting plate 52 because the pressure of the part is not applied to the X-axis driving piece driving the pushing plate 51 to transversely move, and the X-axis slide rail assembly 53 is directly and fixedly arranged on the connecting frame 7, the direction of the pressure is vertical to the driving direction of the X-axis driving piece, the compression caused by the stress of the X-axis driving piece is avoided, the vibration is avoided, and the lifting frame 4 is effectively and stably supported and the left and right deviation caused by the vibration is avoided because the lifting frame 4 is also connected to the Z-axis slide rail assembly 32.
The X-axis sliding rail assemblies 53 are symmetrically arranged at the upper side and the lower side of the X-axis driving part; the stability during operation is improved.
The frame 1 includes conveyor belt assembly 2, and when two-stage form lifting device did not lift lifting frame 4, conveyor belt assembly 2 bearing lifting frame 4 was equipped with conveyer belt recess 21 on the conveyor belt assembly 2, when transporting the circuit board, lifting frame 4 descends and places in the conveyer belt 21.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which can be directly or indirectly applied to other related technical fields without departing from the spirit of the present invention, are intended to be included in the scope of the present invention.
Claims (10)
1. A lifting mechanism for a board delivery test apparatus, the board delivery test apparatus comprising: frame (1) and setting are in test component (6) in frame (1), its characterized in that, lifting mechanism including fixed set up in link (7) on frame (1), be equipped with lifting frame (4) and the connection that are used for bearing circuit board on link (7) lifting frame (4), and be used for the lifting the elevating gear of lifting frame (4).
2. The lifting mechanism of the board conveying testing equipment as claimed in claim 1, wherein the lifting device is a two-stage lifting device, the two-stage lifting device comprises a first lifting component (3) and a second lifting component (5) which are used for jacking the lifting frame (4), the second lifting component (5) comprises a pushing plate (51) and a pushing driving device which drives the pushing plate (51) to move, the upper surface of the pushing plate (51) is provided with a first pushing inclined plane (511), the lifting frame (4) is lifted by the first lifting component (3) until the working area of the pushing plate (51) is reached, and the pushing plate (51) pushes and supports the lifting frame (4) through the first pushing inclined plane (511).
3. The lifting mechanism of a board feeding testing device as claimed in claim 2, wherein the pushing driving device is an X-axis driving member for driving the pushing board (51) to move horizontally.
4. The lifting mechanism of the plate feeding test equipment as claimed in claim 3, wherein the two-stage lifting assembly (5) further comprises a pushing connecting plate (52) connected with the pushing plate (51) and an X-axis slide rail assembly (53) connected with the connecting frame (7) and the pushing connecting plate (52), and the X-axis driving member is arranged on the connecting frame (7) and drives the pushing connecting plate (52) to horizontally move on the X-axis slide rail assembly (53).
5. The lifting mechanism of a board feeding testing device according to claim 2, wherein the lifting frame (4) comprises a lifting main frame (43) and supporting members (41) arranged at two ends of the lifting main frame (43), and the pushing plate (51) pushes the supporting members (41).
6. The lifting mechanism of a web fed test device according to claim 5, characterized in that the support (41) is rotatable on the lifting mainframe (43) about the axis of the support (41).
7. The lifting mechanism of a board feeding testing device as claimed in claim 2, characterized in that the upper surface of the top pushing board (51) is further provided with a bearing plane (512).
8. The lifting mechanism of a board feeding testing device as claimed in claim 2, characterized in that the length of lifting assembly (3) comprises a Z-axis drive connected to the connecting frame (7) for driving the lifting frame (4) up and down.
9. The lifting mechanism of a board feeding testing device according to claim 1, wherein a Z-axis slide rail assembly (32) is provided on the connecting frame (7), and the lifting frame (4) is connected to the Z-axis slide rail assembly (32) and can slide up and down.
10. The lifting mechanism of a board feeding testing device according to claim 1, characterized in that the frame (1) comprises a conveyor belt assembly (2), the conveyor belt assembly (2) carrying the lifting frame (4) when the lifting device is not lifting the lifting frame (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211244667.7A CN115453331A (en) | 2022-10-12 | 2022-10-12 | Lifting mechanism of board feeding test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211244667.7A CN115453331A (en) | 2022-10-12 | 2022-10-12 | Lifting mechanism of board feeding test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115453331A true CN115453331A (en) | 2022-12-09 |
Family
ID=84308901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211244667.7A Pending CN115453331A (en) | 2022-10-12 | 2022-10-12 | Lifting mechanism of board feeding test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115453331A (en) |
-
2022
- 2022-10-12 CN CN202211244667.7A patent/CN115453331A/en active Pending
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