CN220839465U - Clamping table of probe card needle grinding machine - Google Patents

Abstract

The utility model discloses a clamping table of a probe card needle grinding machine, which belongs to the technical field of probe card processing and comprises a workbench, wherein two sides of the workbench are fixedly provided with two connecting plates and are provided with first driving wheels, the top end of the workbench is provided with two U-shaped rods, the inner sides of the connecting plates are fixedly provided with first bearings, two sides of the first driving wheels are fixedly provided with first screws, two ends of the two U-shaped rods are fixedly provided with moving blocks, and the inner sides of the two U-shaped rods are provided with clamping mechanisms; the bottom end of the workbench is fixed with a first straight plate and a second straight plate, the side surfaces of the first straight plate and the second straight plate are respectively fixed with a driving motor and a second bearing, the output end of the driving motor is connected with a second driving wheel, the second bearing is connected with a third driving wheel through a rotating shaft, the second driving wheel and the third driving wheel are connected through a first conveying belt, and the second driving wheel and the third driving wheel are connected with two first driving wheels through first conveying belts; by using the clamping table, the clamping forces on the two sides of the probe card are the same, so that the probe card can not be crushed and the enterprise cost is increased.

Description

Clamping table of probe card needle grinding machine

Technical Field

The utility model relates to the technical field of probe card processing, in particular to a clamping table of a probe card needle grinding machine.

Background

Before packaging a qualified chip, electrical characteristic detection is usually carried out, packaging can be carried out on the qualified chip according to an EDS detection result, the EDS detection is realized by a detection machine with various measuring software and detection instruments and a probe platform with a probe card, each probe of the probe card is directly contacted with a semiconductor chip PAD during detection, chip PAD in a semiconductor wafer and detection electromechanical connection are realized, and thus the purpose of detecting the electrical characteristic of the semiconductor chip is realized.

The existing probe card needs to be subjected to needle grinding treatment after long-time use, and the stress on two sides of the probe card is uneven in the clamping of a clamping table arranged on a needle grinding machine, so that the damage is easy to occur, and the enterprise cost is increased, so that a novel probe card needle grinding machine clamping table is required to be designed to solve the problems.

Disclosure of utility model

The utility model aims to provide a clamping table of a probe card needle grinding machine, which aims to solve the problem that the clamping table on the existing probe card needle grinding machine clamps a probe card so as to cause damage to the probe card caused by uneven stress on two sides of the probe card, thereby increasing the enterprise cost.

In order to solve the technical problems, the utility model provides a clamping table of a probe card needle grinding machine, which comprises a workbench, wherein two connecting plates are fixed on two sides of the workbench and are provided with first driving wheels, two U-shaped rods are arranged at the top end of the workbench, first bearings are fixed on the inner sides of the connecting plates, first screw rods are fixed on two sides of the first driving wheels, the two first screw rods are oppositely arranged, the other ends of the two first screw rods are connected with the first bearings, moving blocks in threaded connection with the first screw rods are fixed on two ends of the two U-shaped rods, and clamping mechanisms are arranged on the inner sides of the two U-shaped rods;

The workbench is characterized in that a first straight plate and a second straight plate are fixed at the bottom end of the workbench, a driving motor and a second bearing are respectively fixed on the side faces of the first straight plate and the second straight plate, a second driving wheel is connected to the output end of the driving motor, a rotating shaft is connected to the second bearing, a third driving wheel is fixed to the other end of the rotating shaft, and the second driving wheel and the third driving wheel are connected through a first conveying belt and are connected with two first driving wheels through a second conveying belt.

Optionally, fixture includes two U type splint, two U type splint respectively with two U type pole is all through two telescopic links and two spring connection, two the spring encircles respectively in two telescopic link sides.

Optionally, two second screws are connected to the U-shaped clamping plate in a threaded manner, and the bottom ends of the two second screws are located in the U-shaped clamping plate and are all fixed with clamping blocks.

The utility model provides a clamping table of a probe card needle grinding machine, which comprises a workbench, wherein two sides of the workbench are fixedly provided with two connecting plates, the two sides of the workbench are provided with first driving wheels, the top end of the workbench is provided with two U-shaped rods, the inner sides of the connecting plates are fixedly provided with first bearings, the two sides of the first driving wheels are fixedly provided with first screws, the two ends of the two U-shaped rods are fixedly provided with moving blocks, and the inner sides of the two U-shaped rods are provided with clamping mechanisms; the bottom end of the workbench is fixed with a first straight plate and a second straight plate, the side surfaces of the first straight plate and the second straight plate are respectively fixed with a driving motor and a second bearing, the output end of the driving motor is connected with a second driving wheel, the second bearing is connected with a third driving wheel through a rotating shaft, the second driving wheel and the third driving wheel are connected through a first conveying belt, and the second driving wheel and the third driving wheel are connected with the two first driving wheels through a second conveying belt; by using the clamping table, the clamping forces on the two sides of the probe card are the same, so that the probe card can not be crushed and the enterprise cost is increased.

Drawings

FIG. 1 is a schematic diagram of a clamping table of a probe card needle grinding machine provided by the utility model;

Fig. 2 is a top view of a clamping table of a probe card needle grinding machine provided by the utility model.

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.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The utility model provides a clamping table of a probe card needle grinding machine, which has the structure shown in fig. 1 and 2, and comprises a workbench 1, wherein two connecting plates 2 are fixed on two sides of the workbench 1 and are provided with first driving wheels 3, two U-shaped rods 4 are arranged at the top ends of the workbench, first bearings 6 are fixed on the inner sides of the connecting plates 2, first screw rods 5 are fixed on two sides of the first driving wheels 3, the two first screw rods 5 are oppositely arranged, the other ends of the two first screw rods 5 are connected with the first bearings 6, moving blocks 7 in threaded connection with the first screw rods 5 are fixed on two ends of the two U-shaped rods 4, and clamping mechanisms are arranged on the inner sides of the two U-shaped rods; the bottom end of the workbench 1 is fixedly provided with a first straight plate 10 and a second straight plate 11, the side surfaces of the first straight plate 10 and the second straight plate 11 are respectively fixedly provided with a driving motor 12 and a second bearing 14, the output end of the driving motor 12 is connected with a second driving wheel 13, the second bearing 14 is connected with a rotating shaft 15, the other end of the rotating shaft 15 is fixedly provided with a third driving wheel 16, the second driving wheel 13 and the third driving wheel 16 are connected through a first conveying belt 18, and both the second driving wheel 13 and the second driving wheel 3 are connected through a second conveying belt 17. The clamping table of the probe card needle grinding machine has the same clamping force on two sides of the probe card, ensures that the probe card cannot be crushed to increase the enterprise cost, has reasonable design and is convenient to popularize.

Further, the fixture includes two U type splint 19, two U type splint 19 respectively with two U type pole 4 all is connected through two telescopic links 8 and two springs 9, two springs 9 encircle respectively in two telescopic link 8 sides, through two U type splint 19 clamp the probe card and make it can not press from both sides bad under the elastic action of springs 9.

Further, two second screws 20 are further screwed on the U-shaped clamping plate 19, the bottom ends of the two second screws 20 are located in the U-shaped clamping plate 19, clamping blocks 21 are fixed on the two second screws, and the probe card is further fixed.

When the probe card is used, firstly, the probe card is placed between the two U-shaped clamping plates 19, then the driving motor is started, the output end of the driving motor drives the second driving wheel 13 to rotate, at this time, the second driving wheel 13 drives the third driving wheel 16 to rotate with the first driving wheel 3 nearest to the second driving wheel 13 through the first conveying belt 18 and the second conveying belt 17 respectively, and finally, the third driving wheel 16 drives the first driving wheel 3 nearest to the third driving wheel 16 to rotate through the second conveying belt 17, so that the plurality of first screws 5 synchronously rotate to drive the two U-shaped clamping plates 19 to inwards move to clamp and fix the probe card, and damage to the probe card is avoided.

The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.

Claims (3)

1. The utility model provides a probe card grinds needle machine clamping platform, includes workstation (1), its characterized in that, workstation (1) both sides are all fixed with two connecting plates (2) and all are equipped with first drive wheel (3), and the top is equipped with two U type poles (4), connecting plate (2) inboard all is fixed with first bearing (6), first drive wheel (3) both sides all are fixed with first screw rod (5), two first screw rod (5) set up relatively and its other end all with first bearing (6) are connected, two U type pole (4) both ends all be fixed with first screw rod (5) threaded connection's movable block (7), inboard is equipped with fixture;

The workbench is characterized in that a first straight plate (10) and a second straight plate (11) are fixed at the bottom end of the workbench (1), a driving motor (12) and a second bearing (14) are respectively fixed on the side surfaces of the first straight plate (10) and the second straight plate (11), a second driving wheel (13) is connected to the output end of the driving motor (12), a rotating shaft (15) is connected to the second bearing (14), a third driving wheel (16) is fixed at the other end of the rotating shaft (15), and the second driving wheel (13) and the third driving wheel (16) are connected through a first conveying belt (18) and both are connected with two first driving wheels (3) through second conveying belts (17).

2. The probe card needle grinding machine clamping table according to claim 1, wherein the clamping mechanism comprises two U-shaped clamping plates (19), the two U-shaped clamping plates (19) are respectively connected with the two U-shaped rods (4) through two telescopic rods (8) and two springs (9), and the two springs (9) respectively encircle the side surfaces of the two telescopic rods (8).

3. The probe card needle grinding machine clamping table according to claim 2, wherein the U-shaped clamping plate (19) is further in threaded connection with two second screws (20), and the bottom ends of the two second screws (20) are located in the U-shaped clamping plate (19) and are all fixedly provided with clamping blocks (21).