CN218974395U

CN218974395U - Workpiece pressing device

Info

Publication number: CN218974395U
Application number: CN202222848476.3U
Authority: CN
Inventors: 郑杰超; 陈燕杰
Original assignee: Tung Thih Electron Xiamen Co Ltd
Current assignee: Tung Thih Electron Xiamen Co Ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-05-05
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a workpiece pressing device, which comprises a mounting seat, a lifting rod, a pressing rod, a first connecting rod, a second connecting rod, a third connecting rod and a driving device, wherein the lifting rod is arranged on the mounting seat; the upper surface of the mounting seat is provided with a pin joint part; the lifting rods are arranged above the mounting seat in parallel; the pressure lever is arranged above the lifting rod; one end of the first connecting rod is pivotally connected and matched with the pivot part, and the other end of the first connecting rod is pivotally connected and matched with the middle part of the compression bar; one end of the second connecting rod is pivotally connected with the middle part of the first connecting rod, and the other end of the second connecting rod is pivotally connected with one end of the lifting rod; one end of the third connecting rod is pivotally connected with one end of the compression bar, and the other end of the third connecting rod is pivotally connected with the other end of the lifting rod; the driving device is arranged on the mounting seat and used for driving the lifting rod to move up and down. The utility model can be used for pressing the workpiece at the test station, provides enough pressing force, prevents the workpiece from moving, and realizes the protection of the workpiece when the PASS is attached.

Description

Workpiece pressing device

Technical Field

The utility model relates to the technical field of workpiece testing, in particular to a workpiece pressing device.

Background

In the process of performing performance tests such as voltage resistance and insulation on workpieces such as circuit boards, the workpieces are required to be placed on a station of test equipment, pressed and fixed by a fixing device, and then tested. After the test is finished, if the test is passed, the PASS sticking mechanism below the station is jacked up, and the workpiece is stamped.

In the prior art, a spring buckle is generally used as a fixing device to fix the edge of a workpiece. The pressure that the spring buckle can provide is limited, can produce great impact force to the work piece in the twinkling of an eye of pasting PASS mechanism jack-up, can drive the one side perk of work piece often, leads to the work piece to produce the slope. Because the PIN needle of the workpiece is not separated from the probe of the testing equipment at the moment, the PIN needle is easy to skew in the process of stress tilting of the workpiece, and defective products are caused.

Disclosure of Invention

The utility model aims to provide a workpiece pressing device which can be used for pressing a workpiece at a test station, can provide enough pressing force and prevent the workpiece from moving, thereby playing a role in protecting the workpiece when the PASS is attached.

In order to achieve the above object, the solution of the present utility model is:

a workpiece pressing device comprises a mounting seat, a lifting rod, a pressing rod, a first connecting rod, a second connecting rod, a third connecting rod and a driving device; the upper surface of the mounting seat is provided with a pin joint part; the lifting rods are arranged above the mounting seat in parallel; the pressure lever is arranged above the lifting rod; one end of the first connecting rod is pivotally connected and matched with the pivot part, and the other end of the first connecting rod is pivotally connected and matched with the middle part of the compression bar; one end of the second connecting rod is pivotally connected with the middle part of the first connecting rod, and the other end of the second connecting rod is pivotally connected with one end of the lifting rod; one end of the third connecting rod is pivotally connected with one end of the compression bar, and the other end of the third connecting rod is pivotally connected with the other end of the lifting rod; the driving device is arranged on the mounting seat and used for driving the lifting rod to move up and down.

The driving device is arranged below the mounting seat and is provided with a telescopic movable part; the mounting seat is provided with a through hole at a position corresponding to the movable part; the movable part penetrates through the through hole and is vertically connected with the lifting rod.

Preferably, the driving device is a cylinder.

The lower surface of the other end of the pressure lever is provided with a buffer piece, and the buffer piece is made of elastic materials.

The first connecting rods are arranged on two sides of the pivoting part and the compression bar respectively; the two second connecting rods are respectively arranged at the outer sides of the two first connecting rods and the lifting rod; the third connecting rods are arranged at two sides of the compression bar and the lifting bar respectively.

After the technical scheme is adopted, the utility model has the following technical effects:

(1) through linkage among the lifting rod, the compression bar, the first connecting rod, the second connecting rod and the third connecting rod, the lifting rod is driven by the driving device to lift relative to the mounting seat, and the end part of the compression bar can be driven to perform pressing and lifting actions, so that the device can be applied to test equipment to compress a workpiece, and the linkage structure enables the driving device and the workpiece to be placed on the same plane, so that the height of the test equipment is reduced;

(2) the work piece and lifter set up respectively in the both ends downside of depression bar, both are the same to the effort direction of depression bar, after the tip of depression bar compresses tightly the work piece, if the work piece receives the effort of pasting PASS mechanism upward jack-up, this effort will be transmitted to the tip of depression bar through the work piece, because drive arrangement still is in operating condition this moment, thereby offset the effort of work piece to the depression bar, also keep the position of work piece unchanged promptly, prevent the work piece drunkenness, thereby avoided the work piece perk because of the atress, guarantee that the PIN foot at the in-process work piece of pasting PASS can not damage, with the defective rate after the work piece completion test.

Drawings

FIG. 1 is a perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing a self-locking state according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an unlock state according to an embodiment of the present utility model;

FIG. 4 is a schematic illustration of the use of an embodiment of the present utility model;

reference numerals illustrate:

1- - -a mounting base; 11-a pivot; 12- - -a through hole;

2- - -lifting rod; 3- - -a compression bar; 4- - -a first link;

5- - -a second link; 6- - -a third link; 7- -a drive device;

71- - -a movable part; 8- -a buffer; 9- -test equipment;

91— a test station; 92- -mounting groove; 93- - -support block.

Detailed Description

In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Accordingly, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in place when the inventive product is used, or the orientation or positional relationship conventionally understood by those skilled in the art, is merely for convenience in describing the embodiments of the present utility model, and is not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Referring to fig. 1 to 3, the utility model discloses a workpiece pressing device, which comprises a mounting seat 1, a lifting rod 2, a pressing rod 3, a first connecting rod 4, a second connecting rod 5, a third connecting rod 6 and a driving device 7;

the upper surface of the mounting seat 1 is provided with a pivot joint part 11;

the lifting rods 2 are arranged above the mounting seat 1 in parallel;

the compression bar 3 is arranged above the lifting rod 2;

one end of the first connecting rod 4 is pivotally connected and matched with the pivot part 11, and the other end is pivotally connected and matched with the middle part of the compression rod 3;

one end of the second connecting rod 5 is pivotally connected with the middle part of the first connecting rod 4, and the other end is pivotally connected with one end of the lifting rod 2;

one end of the third connecting rod 6 is pivotally matched with one end of the compression bar 3, and the other end of the third connecting rod is pivotally matched with the other end of the lifting rod 2; the other end of the pressing rod 3 is used for pressing a workpiece;

the driving device 7 is disposed on the mounting base 1, and is used for driving the lifting rod 2 to move up and down.

Specific embodiments of the utility model are shown below.

The driving device 7 is arranged below the mounting seat 1 and is provided with a telescopic movable part 71; the mounting seat 1 is provided with a through hole 12 corresponding to the movable part 71; the movable portion 71 is disposed through the through hole 12 and vertically connected to the lifting rod 2. The driving device 7 is arranged below the mounting seat 1, so that the driving device 7 can be prevented from interfering with the swinging (or moving) of each rod piece.

Further, the driving device 7 is a cylinder, and the movable portion 71 is a piston rod of the cylinder.

The rod pieces are in pin joint fit through the pin shafts.

The lower surface of the other end of the pressing rod 3 is provided with a buffer piece 8, and the buffer piece 8 is made of an elastic material, so that the stress on the workpiece when the workpiece is pressed can be reduced, and the functions of buffering and protecting the surface of the workpiece are achieved.

The two first connecting rods 4 are respectively arranged at the two sides of the pivoting part 11 and the pressure rod 3, the two second connecting rods 5 are respectively arranged at the outer sides of the two first connecting rods 4 and the lifting rod 2, the two third connecting rods 6 are respectively arranged at the two sides of the pressure rod 3 and the lifting rod 2, and the function of stabilizing the structure is achieved

Referring to fig. 4, the present utility model is used in the following manner:

mounting grooves 92 for mounting the pressing devices are formed in two sides of a testing station 91 of the testing equipment 9, and driving devices 7 of the pressing devices are fixed in the mounting grooves 92. When the test is started, the driving device 7 drives the lifting rod 2 to lift, and under the combined action of the first connecting rod 4, the second connecting rod 5 and the third connecting rod 6, the other end of the pressing rod 3 is pressed down to realize the purpose of clamping a workpiece by matching with the supporting block 93 of the test station 91, so that the purpose of fixing the workpiece is achieved.

Through the scheme, the lifting rod 2, the pressure rod 3, the first connecting rod 4, the second connecting rod 5 and the third connecting rod 6 are linked, so that the driving device 7 drives the lifting rod 2 to lift relative to the mounting seat 1, and the end part of the pressure rod 3 can be driven to push down and lift up, so that the device can be applied to the test equipment 9 to compress a workpiece, and the driving device 7 and the workpiece can be placed on the same plane by the linkage structure, so that the height of the test equipment is reduced; the work piece and lifter 2 set up respectively in the both ends downside of depression bar 3, both are the same to the effort direction of depression bar 3, after the tip 3 of depression bar 3 compresses tightly the work piece, if the work piece receives the effort of pasting PASS mechanism upward jack-up, this effort will be transmitted to the tip of depression bar through the work piece, because drive arrangement 7 still is in operating condition this moment, thereby offset the work piece to the effort of depression bar 3, keep the position of work piece unchanged promptly, prevent the work piece drunkenness, thereby avoided the work piece perk because of the atress, guarantee that the PIN foot at the in-process work piece of pasting PASS can not damage, with the defective rate after the completion test of reduction work piece.

The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.

Claims

1. A workpiece pressing device, characterized in that:

comprises a mounting seat, a lifting rod, a pressing rod, a first connecting rod, a second connecting rod, a third connecting rod and a driving device;

the upper surface of the mounting seat is provided with a pin joint part;

the lifting rods are arranged above the mounting seat in parallel;

the pressure lever is arranged above the lifting rod;

one end of the first connecting rod is pivotally connected and matched with the pivot part, and the other end of the first connecting rod is pivotally connected and matched with the middle part of the compression bar;

one end of the second connecting rod is pivotally connected with the middle part of the first connecting rod, and the other end of the second connecting rod is pivotally connected with one end of the lifting rod;

one end of the third connecting rod is pivotally connected with one end of the compression bar, and the other end of the third connecting rod is pivotally connected with the other end of the lifting rod;

the driving device is arranged on the mounting seat and used for driving the lifting rod to move up and down.

2. The workpiece pressing device according to claim 1, wherein:

3. The workpiece pressing device according to claim 2, wherein:

the driving device is an air cylinder.

4. The workpiece pressing device according to claim 1, wherein:

5. The workpiece pressing device according to any one of claims 1 to 4, wherein: