CN217879439U

CN217879439U - Flip formula test fixture

Info

Publication number: CN217879439U
Application number: CN202220689784.3U
Authority: CN
Inventors: 刘月敏; 梁发年; 黄宇
Original assignee: Guangdong Jinlong Dongchuang Intelligent Equipment Co ltd
Current assignee: Guangdong Jinlong Dongchuang Intelligent Equipment Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-11-22
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a flip formula test fixture, include: the device comprises a base, a clamping device and a clamping device, wherein a containing groove for containing a workpiece is formed in the base; one end of the upper cover is hinged on the base, and the middle part of the upper cover is provided with a sliding chute along the height direction; the pressing mechanism is connected in the sliding groove in a sliding manner, and a pressing block assembly is arranged on one end surface of the pressing mechanism, which is close to the base, and corresponds to the accommodating groove; and one end of the rotating support arm is hinged to the upper cover, and the other end of the rotating support arm extends into the sliding groove and is used for driving the pressing mechanism to move linearly along the sliding groove. When the workpiece pressing device works, a workpiece to be detected is placed in the accommodating groove, the upper cover covers the base, and the pressing block assembly is located right above the accommodating groove; the rotary support arm is rotated, so that the rotary support arm extends into the sliding groove to push the pressing mechanism to move linearly along the sliding groove, the pressing block assembly presses the workpiece in the accommodating groove, the workpiece is prevented from shaking, and the testing precision is guaranteed.

Description

Flip formula test fixture

Technical Field

The utility model relates to a test fixture technical field especially relates to a flip formula test fixture.

Background

In the manufacturing process of electronic information communication products, the products are often required to be subjected to compression joint conduction tests, and the adopted jigs are different greatly according to the difference of the structures and functions of the products.

The test fixture in the prior art is provided with a lower base used for containing a workpiece to be tested and an upper flip cover used for being matched with the lower base to compress the workpiece to be tested, and the two sides of the upper flip cover and the lower base are provided with a clamping hook and a clamping buckle so as to fix the upper flip cover on the lower base and ensure the stability of crimping conduction.

The structure has the disadvantages that in order to avoid the pressure loss of the workpiece by the pressure block, a spring is generally required to be arranged on the pressure block, the workpiece to be tested is tightly pressed by the elastic force of the spring, and the pressing force is insufficient only by the action of the spring, so that the workpiece to be tested is easy to deviate, and the test result is influenced.

In view of this, it is necessary to improve the testing jig in the prior art to solve the technical problem that the pressing force is insufficient and the testing result is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flip formula test fixture solves above technical problem.

To achieve the purpose, the utility model adopts the following technical proposal:

a flip-type test fixture, comprising:

the base is provided with a containing groove for containing a workpiece;

one end of the upper cover is hinged to the base, and a sliding groove is formed in the middle of the upper cover in the height direction;

the pressing mechanism is connected in the sliding groove in a sliding mode, and a pressing block assembly is arranged on one end face, close to the base, of the pressing mechanism and corresponds to the accommodating groove;

and one end of the rotating support arm is hinged to the upper cover, and the other end of the rotating support arm extends into the sliding groove and is used for driving the pressing mechanism to linearly move along the sliding groove.

Optionally, a boss portion is arranged on the inner wall of the sliding groove; the pressing mechanism comprises:

the upper limiting block is provided with a groove part matched with the boss part, and the boss part is connected in the groove part in a sliding manner;

and the lower limiting block is connected with the lower end face of the upper limiting block, and the lower limiting block is provided with a mounting groove for accommodating the pressing block assembly.

Optionally, the pressing mechanism further includes:

and two end parts of the limiting spring are respectively connected with the upper limiting block and the boss part and are used for pushing the upper limiting block to reset.

Optionally, the briquetting assembly includes:

the pressing block body is connected in the mounting groove in a sliding manner, and a through groove is formed in the pressing block body block along the length direction;

the top block is connected in the through groove in a sliding mode, the lower end portion of the top block extends out of the through groove, and the top block is used for pressing the workpiece in the accommodating groove;

and the buffer springs are provided with a plurality of groups, and the buffer springs are respectively connected with the jacking block and the pressing block body.

Optionally, a rotating shaft is arranged at the first side of the base, and the first side of the upper cover is rotatably connected to the rotating shaft;

the cover is equipped with the torsional spring in the pivot, the first end of torsional spring with the base is connected, the second end of torsional spring with the upper cover is connected.

Optionally, the test fixture further includes:

the handle mechanism comprises a rotating rod perpendicular to the rotating support arm, one end of the rotating rod is connected with the rotating support arm, and the other end of the rotating rod is provided with a handle part.

Optionally, the test fixture further includes:

the clamping mechanism comprises a return spring and a clamping block hinged to the second side part of the upper cover, and a clamping groove used for being clamped and connected with the base is formed in the lower end part of the clamping block;

and two end parts of the return spring are respectively connected with the fixture block and the upper cover and are used for pushing the fixture block to return.

Optionally, the upper end of the clamping block is provided with a guide surface, the handle mechanism further includes a push rod, and the push rod is arranged at one end of the rotating rod far away from the rotating support arm;

one end of the push rod extends along the direction perpendicular to the rotating rod and is abutted with the guide surface.

Optionally, the test fixture further includes:

the detection mechanism is arranged on the base and corresponds to the accommodating groove; the detection mechanism comprises a probe assembly and a PCB electrically connected with the probe assembly;

one end part of the probe assembly extends into the accommodating groove and is used for being electrically connected with the workpiece in the accommodating groove.

Compared with the prior art, the utility model discloses following beneficial effect has: when the workpiece pressing device works, a workpiece to be detected is placed in the accommodating groove, the upper cover covers the base, and the pressing block assembly is located right above the accommodating groove; the rotary support arm is rotated, so that the rotary support arm extends into the sliding groove to push the pressing mechanism to move linearly along the sliding groove, the pressing block assembly presses the workpiece in the accommodating groove, the workpiece is prevented from shaking, and the testing precision is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.

FIG. 1 is a schematic structural view of the test fixture in an uncapped state;

FIG. 2 is a schematic structural diagram of the test fixture in a closed state;

FIG. 3 is a schematic top view of the test fixture;

FIG. 4 isbase:Sub>A schematic cross-sectional view taken along line A-A of the testing fixture;

FIG. 5 is a schematic cross-sectional view of the test fixture at the position B-B.

Illustration of the drawings: the probe assembly comprises a base 1, a containing groove 11, an upper cover 2, a pressing mechanism 3, a sliding groove 21, a pressing block assembly 31, a rotating arm 4, a boss part 22, an upper limiting block 32, a groove part 321, a lower limiting block 33, a mounting groove 331, a limiting spring 34, a pressing block body 311, a top block 312, a buffer spring 313, a rotating shaft 12, a torsion spring 13, a handle mechanism 5, a rotating rod 51, a handle part 52, a push rod 53, a clamping mechanism 6, a return spring 61, a clamping block 62, a clamping groove 63, a guide surface 64, a detection mechanism 7, a probe assembly 71 and a PCB 72.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

With reference to fig. 1 to 5, an embodiment of the present invention provides a flip-type testing fixture, which includes:

the device comprises a base 1, wherein a containing groove 11 for containing a workpiece is formed in the base 1;

one end of the upper cover 2 is hinged to the base 1, and a sliding groove 21 is formed in the middle of the upper cover 2 in the height direction;

the pressing mechanism 3 is connected in the sliding groove 21 in a sliding manner, and a pressing block assembly 31 is arranged on one end face, close to the base 1, of the pressing mechanism 3 and corresponds to the accommodating groove 11;

and one end of the rotating support arm 4 is hinged to the upper cover 2, and the other end of the rotating support arm 4 extends into the sliding groove 21 and is used for driving the pressing mechanism 3 to linearly move along the sliding groove 21.

The utility model discloses a theory of operation does: when the workpiece pressing device works, a workpiece to be detected is placed in the accommodating groove 11, the upper cover 2 covers the base 1, and the pressing block assembly 31 is located right above the accommodating groove 11; the rotating support arm 4 is rotated, so that the rotating support arm 4 extends into the sliding groove 21 to push the pressing mechanism 3 to move linearly along the sliding groove 21, the pressing block assembly 31 presses the workpiece in the accommodating groove 11, the workpiece is prevented from shaking, and the test precision is ensured.

In the present embodiment, a boss portion 22 is provided on an inner wall of the chute 21; the pressing mechanism 3 includes:

an upper limiting block 32, wherein a groove portion 321 matched with the boss portion 22 is arranged on the upper limiting block 32, and the boss portion 22 is slidably connected in the groove portion 321;

and the lower limiting block 33 is connected with the lower end face of the upper limiting block 32, and the lower limiting block 33 is provided with a mounting groove 331 for accommodating the pressing block assembly 31.

As shown in fig. 1, the groove 321 is formed between the upper limit block 32 and the lower limit block 33, and when the stitching mechanism 3 moves linearly along the sliding slot 21, the boss 22 slides along the groove 321.

Further illustratively, the stitching mechanism 3 further includes:

and two end parts of the limiting spring 34 are respectively connected with the upper limiting block 32 and the boss part 22, and the limiting spring 34 is used for pushing the upper limiting block 32 to reset.

When the boss portion 22 slides along the groove portion 321, the upper limiting block 32 compresses the limiting spring 34, and the limiting spring 34 plays a role of elastic buffering to prevent the pressing mechanism 3 from damaging the workpiece; on the other hand, after the rotary arm 4 is reset, the limit spring 34 can drive the upper limit block 32 to reset for the next working cycle.

Specifically, the pressure block assembly 31 includes:

the pressing block body 311 is slidably connected in the mounting groove 331, and a through groove is formed in the pressing block body 311 along the length direction;

the top block 312 is slidably connected in the through groove, and the lower end part of the top block 312 extends out of the through groove and is used for pressing the workpiece in the accommodating groove 11;

the buffer springs 313 are provided with a plurality of groups, and the buffer springs 313 are respectively connected with the top block 312 and the pressing block body 311.

Referring to fig. 3, when the pressing component presses the pressing block component 31 to press down, the pressing block body 311 slides down along the mounting groove 331, the top block 312 slides down along the through groove, and the buffer spring 313 plays an elastic buffer role for the top block 312 and the pressing block body 311 respectively, so as to prevent the pressing block component 31 from directly contacting with the workpiece to damage the workpiece, thereby playing a role in protecting the workpiece.

In this embodiment, a rotating shaft 12 is disposed on a first side portion of the base 1, and the first side portion of the upper cover 2 is rotatably connected to the rotating shaft 12;

the cover is equipped with torsional spring 13 on the pivot 12, torsional spring 13 first end with base 1 is connected, torsional spring 13 second end with upper cover 2 is connected.

Referring to fig. 2, when the upper cover 2 rotates, the torsion spring 13 performs an elastic resetting function, that is, the torsion spring 13 drives the upper cover 2 to rotate outwards, so as to achieve automatic opening of the upper cover 2.

Specifically, the test fixture further includes:

the handle mechanism 5 comprises a rotating rod 51 perpendicular to the rotating arm 4, one end of the rotating rod 51 is connected with the rotating arm 4, and the other end of the rotating rod 51 is provided with a handle part 52.

It should be noted that, during operation, the handle portion 52 can be rotated to drive the rotating rod 51 to rotate, so as to drive the rotating arm 4 to rotate around the axis, so as to press the pressing mechanism 3.

Further illustratively, the test fixture further includes:

the clamping mechanism 6 comprises a return spring 61 and a clamping block 62 hinged to the second side part of the upper cover 2, and a clamping groove 63 used for being clamped and connected with the base 1 is formed in the lower end part of the clamping block 62;

two end portions of the return spring 61 are respectively connected to the latch 62 and the upper cover 2, and are configured to push the latch 62 to return.

Further, the upper end portion of the latch 62 is provided with a guide surface 64, the handle mechanism 5 further includes a push rod 53, and the push rod 53 is disposed at one end of the rotating rod 51 far away from the rotating arm 4;

one end of the push rod 53 extends in a direction perpendicular to the rotating lever 51 and abuts against the guide surface 64.

As shown in fig. 1, the latch 62 is engaged with the base 1 to lock the upper cover 2; the latch 62 is pressed to drive the latch mechanism 6 to open, so that the upper cover 2 is in an open state.

It should be noted that, the matching of the push rod 53 and the guide surface 64 realizes locking of the handle mechanism 5, and simultaneously, the handle portion 52 is rotated, the push rod 53 will push the fixture block 62 to move outwards, so as to open the upper cover 2, that is, the handle mechanism 5 in this embodiment can simultaneously open the upper cover 2 and the press-fit mechanism 3, so as to release the workpiece, and open the upper cover 2.

In this embodiment, the test fixture further includes:

the detection mechanism 7 is arranged on the base 1 and corresponds to the position of the accommodating groove 11; the detection mechanism 7 comprises a probe assembly 71 and a PCB 72 electrically connected with the probe assembly 71; the PCB 72 is connected with a flat cable;

one end of the probe assembly 71 extends into the accommodating groove 11, and is used for electrically connecting with the workpiece in the accommodating groove 11.

As shown in fig. 5, when a workpiece is pressed into the accommodating groove 11, the probe assembly 71 is electrically connected to the workpiece to detect the workpiece and transmit a detection signal to the PCB 72, and the PCB 72 transmits the detection signal to a host through the flat cable.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a flip formula test fixture which characterized in that includes:

the device comprises a base (1), wherein a containing groove (11) for containing a workpiece is formed in the base (1);

one end of the upper cover (2) is hinged to the base (1), and a sliding groove (21) is formed in the middle of the upper cover (2) in the height direction;

the pressing mechanism (3) is connected in the sliding groove (21) in a sliding manner, and a pressing block assembly (31) is arranged on one end face, close to the base (1), of the pressing mechanism (3) and corresponds to the accommodating groove (11);

and one end of the rotating support arm (4) is hinged to the upper cover (2), and the other end of the rotating support arm (4) extends into the sliding groove (21) and is used for driving the pressing mechanism (3) to linearly move along the sliding groove (21).

2. The clamshell type test fixture of claim 1, wherein a boss portion (22) is disposed on an inner wall of the chute (21); the pressing mechanism (3) further comprises:

the upper limiting block (32), a groove part (321) matched with the boss part (22) is arranged on the upper limiting block (32), and the boss part (22) is connected in the groove part (321) in a sliding manner;

the lower limiting block (33) is connected with the lower end face of the upper limiting block (32), and a mounting groove (331) used for containing the pressing block assembly (31) is formed in the lower limiting block (33).

3. The flip-type testing fixture as claimed in claim 2, wherein the pressing mechanism (3) further comprises:

and two end parts of the limiting spring (34) are respectively connected with the upper limiting block (32) and the boss part (22) and used for pushing the upper limiting block (32) to reset.

4. The flip-type test fixture as claimed in claim 2, wherein the pressing block assembly (31) comprises:

the pressing block body (311) is connected in the mounting groove (331) in a sliding manner, and a through groove is formed in the pressing block body (311) along the length direction;

the top block (312) is connected in the through groove in a sliding mode, the lower end portion of the top block (312) extends out of the through groove and is used for pressing the workpiece in the accommodating groove (11);

the buffer springs (313) are provided with a plurality of groups, and the buffer springs (313) are respectively connected with the top block (312) and the pressing block body (311).

5. The flip type test fixture as claimed in claim 1, wherein a rotating shaft (12) is disposed at a first side portion of the base (1), and the first side portion of the upper cover (2) is rotatably connected to the rotating shaft (12);

the cover is equipped with torsional spring (13) on pivot (12), the first end of torsional spring (13) with base (1) is connected, the second end of torsional spring (13) with upper cover (2) are connected.

6. The flip-type test fixture of claim 1, further comprising:

handle mechanism (5), including the perpendicular to rotary rod (51) that rotary arm (4) set up, the one end of rotary rod (51) with rotary arm (4) are connected, the other end of rotary rod (51) is provided with handle portion (52).

7. The flip-type test fixture of claim 6, further comprising:

the clamping mechanism (6) comprises a return spring (61) and a clamping block (62) hinged to the second side part of the upper cover (2), and a clamping groove (63) used for being clamped and connected with the base (1) is formed in the lower end part of the clamping block (62);

two end parts of the return spring (61) are respectively connected with the clamping block (62) and the upper cover (2) and used for pushing the clamping block (62) to return.

8. The clamshell type testing fixture as claimed in claim 7, wherein the upper end portion of the fixture block (62) is provided with a guide surface (64), the handle mechanism (5) further comprises a push rod (53), and the push rod (53) is disposed at one end of the rotating rod (51) away from the rotating arm (4);

one end of the push rod (53) extends along a direction perpendicular to the rotating rod (51) and is abutted against the guide surface (64).

9. The flip-type test fixture of claim 1, further comprising:

the detection mechanism (7) is arranged on the base (1) and corresponds to the position of the accommodating groove (11); the detection mechanism (7) comprises a probe assembly (71) and a PCB (72) electrically connected with the probe assembly (71);

one end part of the probe assembly (71) extends into the accommodating groove (11) and is used for being electrically connected with a workpiece in the accommodating groove (11).