CN219456269U

CN219456269U - Pcb board test fixture capable of being positioned quickly

Info

Publication number: CN219456269U
Application number: CN202320552403.1U
Authority: CN
Inventors: 黄镳
Original assignee: Qiansiyue Intelligent Technology Suzhou Co ltd
Current assignee: Qiansiyue Intelligent Technology Suzhou Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-01
Anticipated expiration: 2033-03-21

Abstract

The utility model relates to a quick positioning pcb board testing jig which comprises a placing jig, wherein a power mechanism is arranged below the placing jig, the power mechanism comprises a casing, the bottom of the casing is fixedly connected with the bottom of the placing jig, a first motor is fixedly arranged on the inner bottom wall of the casing, a second motor is fixedly arranged on the inner bottom wall of the casing, output shafts of the first motor and the second motor are fixedly connected with rotating shafts through couplings, a bin assembly is arranged in the placing jig, a sleeve with one end penetrating through and extending to the inside of the bin assembly is rotatably arranged in the casing, and a rotating rod with one end penetrating through and extending to the inside of the bin assembly is rotatably arranged in the casing. This pcb board test fixture of quick location through being provided with power unit and positioning mechanism, has reached and has carried out quick location purpose to pcb board, has increased the precision of location, has improved the degree of accuracy of test result.

Description

Pcb board test fixture capable of being positioned quickly

Technical Field

The utility model relates to the technical field of pcb testing, in particular to a pcb testing jig capable of being positioned quickly.

Background

The PCB is a printed circuit board, is an important electronic component, is a support body of the electronic component, is a carrier for electric connection of the electronic component, and is required to be tested after the follow-up production is completed, and the functionality of the PCB is detected to ensure the qualification rate of the PCB.

According to the test pin die for the jig assembly provided by the patent of publication No. CN217181121U, through being provided with a positioning component, the threaded rod is properly rotated according to the size of the PCB, the sliding plate and the pressing plate are pushed to move forward under the limit of the fixed plate, the quick positioning of the PCB is realized, the positioning range of the pressing plate is enlarged, the distance of the sliding plate can be adjusted according to the size adaptation of the PCB, under the assistance of the stretching part, the elastic pushing of the clamping spring, the linkage pressing plate extends and slides, the quick positioning fixation can be carried out on the PCB, when the subsequent disassembly is carried out, the staff reversely pulls the handle, and the pressing plate moves back and compresses the clamping spring under the pulling of the driving rod, and the PCB can be quickly disassembled, but the test pin die for the jig assembly can only limit the front side and the rear side of the PCB, the left side and the right side of the PCB are not limited, the positioning is not accurate enough, the test accuracy can be influenced, and the test result is not accurate, and the quick positioning PCB test jig is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a pcb board test fixture capable of being positioned quickly, which has the advantage of positioning the pcb board quickly, and solves the problems that the test needle die for the assembly of the fixture can only limit the front side and the rear side of the pcb board, can not limit the left side and the right side of the pcb board, has inaccurate positioning, can influence the test precision and can cause inaccurate test results.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the pcb board test fixture comprises a placement fixture, wherein a power mechanism is arranged below the placement fixture;

the utility model provides a power unit, including the casing, the bottom of casing and the bottom fixed connection of placing the tool, the interior bottom fixed mounting of casing has first motor, the interior bottom fixed mounting of casing has the second motor, the output shaft of first motor and second motor all is provided with the storehouse body subassembly through the shaft coupling fixedly connected with axis of rotation, the inside of placing the tool is provided with the storehouse body subassembly, the inside of casing rotates installs one end and runs through and extend to the inside sleeve pipe of storehouse body subassembly, the inside of casing rotates installs one end and runs through and extend to the inside dwang of storehouse body subassembly, two the surface of axis of rotation closely laminates with sheathed tube surface and dwang's surface respectively has synchronous belt, the inside of storehouse body subassembly is provided with positioning mechanism.

Further, positioning mechanism is including two first threaded rods, two the equal fixed mounting of surface of first threaded rod has first vertical bevel gear, sheathed tube surface fixed mounting has first horizontal bevel gear, first horizontal bevel gear's surface meshes with two first vertical bevel gear's surface respectively, the inside rotation of storehouse body subassembly installs two second threaded rods, two the equal fixed mounting of surface of second threaded rod has second vertical bevel gear, the surface fixed mounting of dwang has second horizontal bevel gear, the surface of second horizontal bevel gear meshes with two second vertical bevel gear's surface respectively, two the equal screw thread of surface of first threaded rod and two external surfaces of second threaded rod installs the movable block, four the equal fixed mounting in top of movable block has the locating plate, the top of placing the tool is provided with testing mechanism.

Further, the testing mechanism comprises a fixing frame, an electric telescopic rod, a limiting plate and a testing needle, wherein the bottom of the fixing frame is fixedly connected with the top of the placing jig, the electric telescopic rod is fixedly installed at the top of the fixing frame, a positioning plate is fixedly installed at the bottom of an electric telescopic rod telescopic shaft, the inside of the positioning plate is in sliding connection with the outer surface of the fixing frame, and the testing needle is installed in the internal thread of the positioning plate.

Further, the belt pulleys are fixedly arranged on the outer surface of the rotating shaft and the outer surface of the sleeve, and the outer surfaces of the two belt pulleys are tightly attached to the inner surface of the synchronous belt.

Further, the bin body assembly comprises an installation bin, two first movable bins and two second movable bins, the front face and the back face of the installation bin are respectively provided with the first movable bins, and the left side and the right side of the installation bin are respectively provided with the second movable bins.

Further, the movable holes are formed between the mounting bin and the two first movable bins respectively, and the inner surfaces of the two movable holes are connected with the outer surfaces of the two first threaded rods in a rotating mode respectively.

Further, the two second movable cabins are cuboid with hollow interiors and missing tops, and the inner surfaces of the two second movable cabins are respectively connected with the outer surfaces of the two movable blocks in a sliding mode.

Further, two first movable cabins and two second movable cabins are cross-shaped when seen from top to bottom, and rubber pads are arranged between the opposite sides of the four positioning plates.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this pcb board test fixture of quick location has reached the purpose of carrying out quick location to pcb board through being provided with power unit and positioning mechanism, has increased the precision of location, has improved the degree of accuracy of test result, through being provided with testing mechanism, plays the effect of testing the pcb board, has improved production efficiency and product quality, has reduced manufacturing cost.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of the present utility model at A in FIG. 1;

fig. 3 is a top cross-sectional view of the structure of the present utility model, fig. 1.

In the figure: 1. placing a jig; 2. a power mechanism; 201. a housing; 202. a first motor; 203. a second motor; 204. a rotating shaft; 205. a sleeve; 206. a rotating lever; 207. a timing belt; 208. a bin assembly; 209. a positioning mechanism; 2091. a first threaded rod; 2092. a first vertical bevel gear; 2093. a first transverse bevel gear; 2094. a second threaded rod; 2095. a second vertical bevel gear; 2096. a second transverse bevel gear; 2097. a moving block; 2098. a positioning plate; 2099. and a testing mechanism.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one: referring to fig. 1 and 2, in the present embodiment, a pcb board testing fixture capable of being positioned quickly includes a placement fixture 1, a power mechanism 2 is disposed below the placement fixture 1, the power mechanism 2 includes a casing 201, the bottom of the casing 201 is fixedly connected with the bottom of the placement fixture 1, a first motor 202 is fixedly mounted on an inner bottom wall of the casing 201, a second motor 203 is fixedly mounted on an inner bottom wall of the casing 201, output shafts of the first motor 202 and the second motor 203 are fixedly connected with rotating shafts 204 through couplings, the first motor 202 and the second motor 203 respectively drive the two rotating shafts 204 to rotate, and a bin assembly 208 is disposed inside the placement fixture 1.

In this embodiment, a sleeve 205 with one end penetrating and extending into the bin assembly 208 is rotatably installed inside the casing 201, a rotating rod 206 with one end penetrating and extending into the bin assembly 208 is rotatably installed inside the casing 201, the outer surfaces of the two rotating shafts 204 are respectively tightly attached to the outer surfaces of the sleeve 205 and the outer surface of the rotating rod 206, the two rotating shafts 204 respectively drive the sleeve 205 and the first transverse bevel gear 2093 and the rotating rod 206 and the second transverse bevel gear 2096 to rotate through the synchronous belt 207, belt pulleys are fixedly installed on the outer surfaces of the rotating shafts 204 and the outer surfaces of the sleeve 205, the outer surfaces of the two belt pulleys are tightly attached to the inner surface of the synchronous belt 207, and a positioning mechanism 209 is arranged inside the bin assembly 208.

Wherein, the storehouse body subassembly 208 is including installation storehouse, two first movable warehouses and two second movable warehouses, and the front and the back of installation storehouse are provided with first movable warehouses respectively, and the left and right sides of installation storehouse is provided with the second movable warehouses respectively for installation storehouse, two first movable warehouses and two second movable warehouses do not interfere each other.

Specifically, the first motor 202 is started to drive the rotation shaft 204 to rotate, the sleeve 205 and the first transverse bevel gear 2093 are driven to rotate through the synchronous belt 207, the second motor 203 is started to drive the rotation shaft 204 to rotate, and the rotation rod 206 and the second transverse bevel gear 2096 are driven to rotate through the synchronous belt 207, so that the purpose of quickly positioning the pcb is achieved, the positioning precision is improved, and the accuracy of a test result is improved.

Embodiment two: referring to fig. 1 and 3, based on the first embodiment, the positioning mechanism 209 includes two first threaded rods 2091, the outer surfaces of the two first threaded rods 2091 are fixedly provided with first vertical bevel gears 2092, the outer surface of the sleeve 205 is fixedly provided with a first transverse bevel gear 2093, the first transverse bevel gear 2093 drives the two first threaded rods 2091 to rotate through the two first vertical bevel gears 2092, and the outer surfaces of the first transverse bevel gears 2093 are respectively meshed with the outer surfaces of the two first vertical bevel gears 2092.

In this embodiment, two second threaded rods 2094 are rotatably installed inside the bin assembly 208, the outer surfaces of the two second threaded rods 2094 are fixedly installed with a second vertical bevel gear 2095, the outer surface of the rotating rod 206 is fixedly installed with a second transverse bevel gear 2096, the second transverse bevel gear 2096 drives the two second threaded rods 2094 to rotate through the two second vertical bevel gears 2095, and the outer surfaces of the second transverse bevel gears 2096 are respectively meshed with the outer surfaces of the two second vertical bevel gears 2095.

Wherein, the movable hole has been seted up between installation storehouse and two first movable warehouses respectively, the internal surface in two movable holes rotates with the surface of two first threaded rods 2091 respectively and is connected, make things convenient for the rotation of first threaded rod 2091, two second movable warehouses are inside cavity and the cuboid that the top is absent, the internal surface in two second movable warehouses is respectively with the surface sliding connection of two movable blocks 2097, the second movable warehouses is spacing to the movable block 2097, two first movable warehouses and two second movable warehouses are the cross shape from last down, all be provided with the rubber pad between four locating plate 2098's the opposite one side, prevent to press from both sides the pcb board.

In this embodiment, the outer surfaces of the two first threaded rods 2091 and the outer surfaces of the two second threaded rods 2094 are respectively provided with a moving block 2097 in a threaded manner, the tops of the four moving blocks 2097 are respectively fixedly provided with a locating plate 2098, and the two first threaded rods 2091 and the two second threaded rods 2094 drive the four locating plates 2098 to move to opposite sides through the four moving blocks 2097, and a testing mechanism 2099 is arranged above the placing jig 1.

Wherein, the testing mechanism 2099 is including mount, electric telescopic handle, limiting plate and test needle, the bottom of mount with place the top fixed connection of tool 1, the top fixed mounting of mount has electric telescopic handle, the bottom fixed mounting of electric telescopic handle telescopic shaft has the limiting plate, the inside of limiting plate and the surface sliding connection of mount, the test needle is installed to the internal thread of limiting plate, electric telescopic handle drives limiting plate and test needle and passes through the mount downwardly moving.

Specifically, the first transverse bevel gear 2093 drives the two first threaded rods 2091 to rotate through the two first vertical bevel gears 2092, the two first threaded rods 2091 drive the two positioning plates 2098 to move to opposite sides through the two moving blocks 2097, the front and rear sides of the pcb are limited, the second transverse bevel gear 2096 drives the two second threaded rods 2094 to rotate through the two second vertical bevel gears 2095, the two second threaded rods 2094 drive the two positioning plates 2098 to move to opposite sides through the two moving blocks 2097, the left and right sides of the pcb are limited, the electric telescopic rods are started, the limiting plates and the test needles are driven to move downwards through the fixing frames, the pcb is tested, production efficiency and product quality are improved, and production cost is reduced.

The working principle of the embodiment is as follows:

(1) When the pcb is tested, the pcb is placed above the placement jig 1, the first motor 202 is started to drive the rotating shaft 204 to rotate, the sleeve 205 and the first transverse bevel gear 2093 are driven to rotate through the synchronous belt 207, the first transverse bevel gear 2093 drives the two first threaded rods 2091 to rotate through the two first vertical bevel gears 2092, the two first threaded rods 2091 drive the two positioning plates 2098 to move to opposite sides through the two moving blocks 2097, and the front side and the rear side of the pcb are limited.

(2) The second motor 203 is started to drive the rotating shaft 204 to rotate, the rotating rod 206 and the second transverse bevel gear 2096 are driven to rotate through the synchronous belt 207, the second transverse bevel gear 2096 drives the two second threaded rods 2094 to rotate through the two second vertical bevel gears 2095, the two second threaded rods 2094 drive the two positioning plates 2098 to move to opposite sides through the two moving blocks 2097, the left and right sides of the pcb are limited, the electric telescopic rods are started, the limiting plates and the test needles are driven to move downwards through the fixing frames, and the pcb is tested.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Quick pcb board test fixture who fixes a position, including placing tool (1), its characterized in that: a power mechanism (2) is arranged below the placement jig (1);

the utility model provides a power unit (2) is including casing (201), the bottom of casing (201) is with the bottom fixed connection who places tool (1), the interior bottom fixed mounting of casing (201) has first motor (202), the interior bottom fixed mounting of casing (201) has second motor (203), the output shaft of first motor (202) and second motor (203) all is provided with axis of rotation (204) through shaft coupling fixed connection, the inside of placing tool (1) is provided with storehouse body subassembly (208), the inside of casing (201) rotates and installs one end and run through and extend to inside sleeve pipe (205) of storehouse body subassembly (208), the inside rotation of casing (201) is installed one end and is run through and extend to inside dwang (206) of storehouse body subassembly (208), two the surface of axis of rotation (204) is closely laminated with synchronous belt (207) with the surface of sleeve pipe (205) and the surface of dwang (206) respectively, the inside of storehouse body subassembly (208) is provided with positioning mechanism (209).

2. The quick positioning pcb testing jig of claim 1, wherein: the positioning mechanism (209) comprises two first threaded rods (2091), the two first threaded rods (2091) are fixedly arranged on the outer surfaces of the first threaded rods (2091), first transverse bevel gears (2093) are fixedly arranged on the outer surfaces of the sleeves (205), the outer surfaces of the first transverse bevel gears (2093) are respectively meshed with the outer surfaces of the two first vertical bevel gears (2092), two second threaded rods (2094) are arranged on the inner rotation of the bin body assembly (208), second vertical bevel gears (2095) are fixedly arranged on the outer surfaces of the second threaded rods (2094), second transverse bevel gears (2096) are fixedly arranged on the outer surfaces of the rotating rods (206), the outer surfaces of the second transverse bevel gears (2096) are respectively meshed with the outer surfaces of the two second vertical bevel gears (2095), moving blocks (7) are arranged on the outer surfaces of the first threaded rods (2091) and the outer surfaces of the two second threaded rods (2094) in a threaded mode, and the four moving blocks (2095) are fixedly arranged on the top of the positioning mechanism (2099).

3. The quick positioning pcb testing jig of claim 2, wherein: the testing mechanism (2099) comprises a fixing frame, an electric telescopic rod, a limiting plate and a testing needle, wherein the bottom of the fixing frame is fixedly connected with the top of the placing jig (1), the electric telescopic rod is fixedly installed at the top of the fixing frame, a positioning plate is fixedly installed at the bottom of a telescopic shaft of the electric telescopic rod, the inside of the positioning plate is in sliding connection with the outer surface of the fixing frame, and the testing needle is installed on internal threads of the positioning plate.

4. The quick positioning pcb testing jig of claim 1, wherein: the outer surface of the rotating shaft (204) and the outer surface of the sleeve (205) are fixedly provided with belt pulleys, and the outer surfaces of the two belt pulleys are tightly attached to the inner surface of the synchronous belt (207).

5. The quick positioning pcb testing jig of claim 2, wherein: the bin body assembly (208) comprises an installation bin, two first movable bins and two second movable bins, wherein the front face and the back face of the installation bin are respectively provided with the first movable bins, and the left side and the right side of the installation bin are respectively provided with the second movable bins.

6. The quick positioning pcb testing jig of claim 5, wherein: the movable holes are respectively formed between the mounting bin and the two first movable bins, and the inner surfaces of the two movable holes are respectively connected with the outer surfaces of the two first threaded rods (2091) in a rotating mode.

7. The quick positioning pcb testing jig of claim 5, wherein: the two second movable cabins are cuboid with hollow interiors and missing tops, and the inner surfaces of the two second movable cabins are respectively connected with the outer surfaces of the two movable blocks (2097) in a sliding mode.

8. The quick positioning pcb testing jig of claim 5, wherein: the two first movable cabins and the two second movable cabins are in a cross shape when seen from top to bottom, and rubber pads are arranged between opposite sides of the four positioning plates (2098).