阅读说明：本技术 一种液晶屏电测机 (Liquid crystal screen electric measuring machine ) 是由 马承义 于 2021-01-05 设计创作，主要内容包括：本发明涉及液晶屏检测技术领域,具体是一种液晶屏电测机,包括固定座,所述固定座顶端一侧对称设有支撑架,所述支撑架顶端固定连接有横梁,所述横梁内底端中间设有传动杆,所述传动杆外侧固定套接有锥齿轮一,所述固定座顶端开设有安装凹槽,所述安装凹槽内安装设有驱动电机,所述驱动电机的输出轴通过联轴器固定连接有转动杆,所述转动杆的顶端外侧套接有锥齿轮二,所述传动杆底端一侧横向固定连接有第一连接杆,所述第一连接杆表面套接有锥齿轮三,所述第一连接杆远离锥齿轮三的一端固定连接有偏光板,本发明,通过设置升降机构,使得探针防护板与液晶屏之间存在明显的高度差,便于取放检测液晶屏,也能有效防止探针划伤液晶屏。(The invention relates to the technical field of liquid crystal screen detection, in particular to an electric tester for a liquid crystal screen, which comprises a fixed seat, wherein one side of the top end of the fixed seat is symmetrically provided with a support frame, the top end of the support frame is fixedly connected with a cross beam, the middle of the bottom end in the cross beam is provided with a transmission rod, the outer side of the transmission rod is fixedly sleeved with a bevel gear I, the top end of the fixed seat is provided with an installation groove, a driving motor is arranged in the installation groove, an output shaft of the driving motor is fixedly connected with a rotating rod through a coupler, the outer side of the top end of the rotating rod is sleeved with a bevel gear II, one side of the bottom end of the transmission rod is transversely and fixedly connected with a first connecting rod, the surface of the first connecting rod is sleeved with a bevel gear III, one end of the first connecting rod, which is far away from the bevel gear III, is fixedly connected with a polarizing plate, and the invention has obvious height difference between a probe protection plate and the liquid crystal screen through the arrangement of a lifting mechanism, the liquid crystal display is convenient to take and place and can be detected, and the liquid crystal display can be effectively prevented from being scratched by the probe.)

1. The liquid crystal screen electric measuring machine comprises a fixed seat (1) and is characterized in that a support frame (2) is symmetrically arranged on one side of the top end of the fixed seat (1), a cross beam (3) is fixedly connected to the top end of the support frame (2), a transmission rod (4) is arranged in the middle of the bottom end of the cross beam (3), a first bevel gear (5) is fixedly sleeved on the outer side of the transmission rod (4), an installation groove (6) is formed in the top end of the fixed seat (1), a driving motor (7) is installed in the installation groove (6), an output shaft of the driving motor (7) is fixedly connected with a rotating rod (8) through a coupler, a second bevel gear (9) is sleeved on the outer side of the top end of the rotating rod (8), a first connecting rod (10) is transversely and fixedly connected to one side of the bottom end of the transmission rod (4), and a third bevel gear (11) is sleeved on the surface of the first connecting rod (10), one end fixedly connected with polarizing plate (12) of bevel gear three (11) is kept away from in head rod (10), fixed surface welding has fixed frame (13) on fixing base (1), be equipped with backlight (14) in fixed frame (13), top fixedly connected with vertical frame (15) that fixing base (1) is close to fixed frame (13) front side, be equipped with elevating system (16) on vertical frame (15), elevating system (16) below is equipped with probe guard plate (17).

2. The liquid crystal screen electric measuring machine according to claim 1, wherein a rotating groove with a downward opening is formed at the bottom end of the cross rod (3), a bearing seat is fixedly sleeved on the outer side of the transmission rod (4) close to the top of the bevel gear I (5), and the bevel gear I (5) is arranged below the bearing seat.

3. The liquid crystal screen electric measuring machine according to claim 1, characterized in that a rectangular block (18) is fixedly connected to the top end of the vertical frame (15), a circular through hole groove is formed in the rectangular block (18), a bearing ring is mounted on the inner wall of the circular through hole groove, an insertion rod (19) is fixedly arranged in the bearing ring, a support (20) is fixedly connected to the top end of the rectangular block (18), a cross rod (21) is fixedly connected to the top end of the support (20), and a sleeve (22) is fixedly connected to one end, far away from the support (20), of the cross rod (21).

4. The LCD screen electric measuring machine according to claim 3, wherein the lifting mechanism (16) comprises a rotating circular plate (160), one end of the rotating circular plate (160) is fixedly connected with the front end of the inserting rod (19), the rotating shaft of the rotating circular plate (160) is positioned above the inserting rod (19), the inner side of the rotating circular plate is provided with a circular sliding rail, the sleeve (22) is internally connected with a second connecting rod (161) in a sliding way, the outer side of the second connecting rod (161) is sleeved with a telescopic spring (162), the left end and the right end of the sleeve (22) are both fixedly connected with fixing blocks (163), the bottom ends of the fixing blocks (163) are both fixedly provided with connecting rods (164), two connecting rods (164) are fixedly connected with a mounting plate (165) at the bottom end, a through hole groove (166) is formed in the middle of the mounting plate (165), the second connecting rod (161) is vertically connected with a fixing rod near the bottom end of the rotating circular plate (160), the other end of the fixed rod is fixedly connected with a rolling wheel (167).

5. The LCD screen electric measuring machine according to claim 4, characterized in that the bottom end of the second connecting rod (161) is fixedly connected with a probe protection plate (17), the bottom end of the probe protection plate (17) is fixedly connected with a plurality of groups of probes (23), the left and right ends of the probe protection plate (17) are symmetrically and fixedly connected with a fixing sleeve (24), and the connecting rod (164) is connected with the inner wall of the fixing sleeve (24) in a sliding manner.

6. The LCD panel electric measuring machine as claimed in claim 5, characterized in that a first motor is installed on the back of the rectangular block (18), the output shaft of the first motor is fixedly connected with the insert rod (19), and the inner diameter of the through hole groove (166) is larger than the outer diameters of the probe protection plate (17) and the fixing sleeve (24).

Technical Field

The invention relates to the technical field of liquid crystal screen detection, in particular to an electric measuring machine for a liquid crystal screen.

Background

Liquid crystal screens are commonly used in electronic products such as mobile phones, tablets, and computers. In the process of processing the liquid crystal display, the processed liquid crystal display needs to be detected so as to ensure the quality of products.

The existing detection equipment generally detects products by utilizing a probe, but when a liquid crystal screen is taken and placed, the probe is limited in arrangement height, and easily collides with the probe when the liquid crystal screen is taken and placed, so that the probe is easily damaged, scratch marks appear on the surface of the liquid crystal screen, the line part of the product is easily scratched, the detection reliability and the product qualification rate are seriously affected, the liquid crystal screen electric tester is not used for selling, and the probe is expensive, the probe is high in loss when being damaged by collision, the replacement frequency is high, and the production cost is increased.

Disclosure of Invention

The invention aims to provide an electric measuring machine for a liquid crystal display screen, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a liquid crystal screen electric measuring machine comprises a fixed seat, wherein one side of the top end of the fixed seat is symmetrically provided with a supporting frame, the top end of the supporting frame is fixedly connected with a cross beam, the middle of the bottom end in the cross beam is provided with a transmission rod, the outer side of the transmission rod is fixedly sleeved with a first bevel gear, the top end of the fixed seat is provided with an installation groove, a driving motor is installed in the installation groove, an output shaft of the driving motor is fixedly connected with a rotating rod through a coupler, the outer side of the top end of the rotating rod is sleeved with a second bevel gear, one side of the bottom end of the transmission rod is transversely and fixedly connected with a first connecting rod, the surface of the first connecting rod is sleeved with a third bevel gear, one end of the first connecting rod, far away from the third bevel gear, is fixedly connected with a polarizing plate, the upper surface of the fixed seat is fixedly welded with a fixed frame, a backlight source is arranged in the fixed frame, and the top of the fixed seat, close to the front side of the fixed frame, is fixedly connected with a vertical frame, the vertical frame is provided with a lifting mechanism, and a probe protection plate is arranged below the lifting mechanism.

As a further scheme of the invention: the bottom end of the cross rod is provided with a rotating groove with a downward opening, the outer side of the transmission rod, which is close to the top of the first bevel gear, is fixedly sleeved with a bearing seat, and the lower portion of the bearing seat is provided with the first bevel gear.

As a further scheme of the invention: the top end of the vertical frame is fixedly connected with a rectangular block, a circular through hole groove is formed in the rectangular block, a bearing ring is installed on the inner wall of the circular through hole groove, an insertion rod is fixedly arranged in the bearing ring, the top end of the rectangular block is fixedly connected with a support, the top end of the support is fixedly connected with a cross rod, and the cross rod is far away from one end of the support and is fixedly connected with a sleeve.

As a further scheme of the invention: elevating system is including rotating the plectane, it is connected with inserted bar front end fixed connection to rotate plectane one end, the rotation axis that rotates the plectane is located the top of inserted bar, and the inboard circular slide rail of having seted up, sliding connection has the second connecting rod in the sleeve, expanding spring has been cup jointed in the second connecting rod outside, the equal fixedly connected with fixed block in both ends about telescopic, the equal fixed connecting rod that is equipped with in fixed block bottom, two connecting rod bottom fixedly connected with mounting panel, the through-hole groove has been seted up to the centre in the mounting panel, the second connecting rod is close to and rotates plectane bottom vertical connection with dead lever, the dead lever other end fixedly connected with wheel that rolls.

As a further scheme of the invention: the probe protection plate comprises a first connecting rod, a second connecting rod, a probe protection plate, a connecting rod and a plurality of groups of probes, wherein the bottom end of the second connecting rod is fixedly connected with the probe protection plate, the bottom end of the probe protection plate is fixedly connected with a plurality of groups of probes, the left end and the right end of the probe protection plate are symmetrically and fixedly connected with a fixing sleeve, and the connecting rod is connected with the inner wall of the fixing sleeve in a sliding mode.

As a further scheme of the invention: the rectangular block back installation is equipped with first motor, the output shaft and the inserted bar fixed connection of first motor, the internal diameter in through-hole groove is greater than the external diameter of probe guard plate and fixed cover.

Compared with the prior art, the invention has the beneficial effects that:

1. the polarizing plate can rotate left and right in the horizontal direction through the mutual connection and matching of the driving motor, the rotating rod, the bevel gear II, the transmission rod, the bevel gear I, the bevel gear III and the first connecting rod, when the liquid crystal screen needs to be detected, the polarizing plate covers the liquid crystal screen, whether the liquid crystal screen has defects or not is observed through the polarizing plate, the polarizing plate is rotated, and the phenomenon that the existence of the polarizing plate obstructs the lifting mechanism to drive the probe to detect the circuit of the liquid crystal screen is prevented;

2. through setting up elevating system, utilize elevating system to drive the probe guard plate and be close to the LCD screen of placing on fixed frame, whether there is the production problem in the circuit part that utilizes the probe to detect the LCD screen, elevating system drives the probe guard plate and passes through the through-hole groove downstream, the probe stretches out downwards, be convenient for detect, and detect the back, the probe guard plate upstream under elevating system's drive, get back to initial condition, there is obvious difference in height between probe guard plate and the fixed frame, be convenient for get and put the LCD screen, and the probe can not go the LCD screen yet and cause the fish tail.

Drawings

Fig. 1 is a schematic structural diagram of an electric measuring machine for a liquid crystal display screen.

Fig. 2 is a side view of a lifting mechanism of the liquid crystal screen electric measuring machine.

Fig. 3 is an enlarged structure diagram of a position a in the liquid crystal screen electric measuring machine.

In the figure: 1-a fixed seat, 2-a support frame, 3-a cross beam, 4-a transmission rod, 5-a bevel gear I, 6-an installation groove, 7-a driving motor, 8-a rotating rod, 9-a bevel gear II, 10-a first connecting rod, 11-a bevel gear III, 12-a polarizing plate, 13-a fixed frame, 14-a backlight source, 15-a vertical frame, 16-a lifting mechanism, 160-a rotating circular plate, 161-a second connecting rod, 162-a telescopic spring, 163-a fixed block, 164-a connecting rod, 165-an installation plate, 166-a through hole groove, 167-a rolling wheel, 17-a probe protection plate, 18-a rectangular block, 19-an inserted rod, 20-a support, 21-a cross rod, 22-a sleeve, 23-a probe and 24-a fixed sleeve.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Example 1

Referring to fig. 1-3, in the embodiment of the present invention, an electric liquid crystal display tester includes a fixed base 1, wherein a support frame 2 is symmetrically disposed on one side of the top end of the fixed base 1, a cross beam 3 is fixedly connected to the top end of the support frame 2, a transmission rod 4 is disposed in the middle of the bottom end of the cross beam 3, a bevel gear 5 is fixedly sleeved on the outer side of the transmission rod 4, an installation groove 6 is disposed on the top end of the fixed base 1, a driving motor 7 is installed in the installation groove 6, an output shaft of the driving motor 7 is fixedly connected to a rotation rod 8 through a coupler, a bevel gear two 9 is sleeved on the outer side of the top end of the rotation rod 8, a first connection rod 10 is transversely and fixedly connected to one side of the bottom end of the transmission rod 4, a bevel gear three 11 is sleeved on the surface of the first connection rod 10, and a polarizing plate 12 is fixedly connected to one end of the first connection rod 10 away from the bevel gear three 11, fixed welding of fixing base 1 upper surface has fixed frame 13, be equipped with backlight 14 in the fixed frame 13, top fixedly connected with vertical frame 15 that fixing base 1 is close to fixed frame 13 front side, be equipped with elevating system 16 on the vertical frame 15, elevating system 16 below is equipped with probe guard plate 17, and driving motor 7 drives dwang 8 and rotates, utilizes two 9 drive bevel gear three 11 rotations of bevel gear, and bevel gear 5 provides the ascending holding power of vertical side for the rotation about bevel gear three 11, is favorable to three 11 rotations of bevel gear to be more stable smooth and easy, and three 11 drives polarizing plate 12 through first connecting rod 10 and rotates about, examines time measuring to the LCD screen in needs, and polarizer 12 covers on the LCD screen, through the cooperation of polarizer 12 with backlight 14, easily observes whether there is the defect in the LCD screen.

In this embodiment, the bottom of the cross rod 3 is provided with a rotating groove with a downward opening, the outer side of the transmission rod 4 close to the top of the bevel gear 5 is fixedly sleeved with the bearing seat, the bevel gear 5 is arranged below the bearing seat, and the bevel gear 5 is fixedly sleeved on the surface of the transmission rod 4 through the bearing seat, so that a supporting force in the vertical direction is provided for the left-right rotation of the bevel gear three 11, and the rotation of the bevel gear three 11 is more stable and smooth.

In this embodiment, vertical frame 15 top fixedly connected with rectangular block 18, circular through-hole groove has been seted up in rectangular block 18, the race ring is installed to circular through-hole inslot wall, the race ring internal fixation is equipped with inserted bar 19, rectangular block 18's top fixedly connected with support 20, support 20 top fixedly connected with horizontal pole 21, support 20's one end fixedly connected with sleeve 22 is kept away from to horizontal pole 21, utilizes the race ring to make inserted bar 19 more stable at circular through-hole inslot internal rotation.

Example 2

Referring to fig. 1-3, in this embodiment, the lifting mechanism 16 includes a rotating circular plate 160, one end of the rotating circular plate 160 is fixedly connected to the front end of the insertion rod 19, the rotating shaft of the rotating circular plate 160 is located above the insertion rod 19, and a circular slide rail is disposed on the inner side of the rotating circular plate 160, a second connecting rod 161 is slidably connected to the sleeve 22, a telescopic spring 162 is sleeved on the outer side of the second connecting rod 161, fixed blocks 163 are fixedly connected to both left and right ends of the sleeve 22, a connecting rod 164 is fixedly disposed at the bottom end of each fixed block 163, a mounting plate 165 is fixedly connected to the bottom ends of the two connecting rods 164, a through hole groove 166 is disposed in the middle of the mounting plate 165, a fixed rod is vertically connected to the second connecting rod 161 near the bottom end of the rotating circular plate 160, a rolling wheel 167 is fixedly connected to the other end of the fixed rod, the insertion rod 19 rotates the insertion rod 19, the insertion rod 19 drives the rotating circular plate 160 to rotate, because the rotating shaft of the rotating circular plate 160 is above the insertion rod 19, when the inserted link 19 drives the rotation circular plate 160 to rotate, the displacement of the rotation circular plate 160 moving below the inserted link 19 is greater than the displacement above, which is beneficial to extending the distance between the probe protection plate 17 and the liquid crystal screen, so as to facilitate taking and placing the liquid crystal screen, the rotation circular plate 160 rotates, the rolling wheel 167 continuously rolls in the circular slide rail, the expansion spring 162 continuously accumulates elastic potential energy in the rotation process, and the expansion and compression are continuously carried out along with the extension and compression of the second connecting rod 161.

In this embodiment, second connecting rod 161 bottom and probe protection board 17 fixed connection, probe protection board 17 bottom fixedly connected with multiunit probe 23, the fixed cover 24 of both ends symmetry fixedly connected with about probe protection board 17, elevating system 16 drives probe protection board 17 and moves down, makes probe 23 be close to the LCD screen, detects the circuit part of LCD screen, connecting rod 164 and the 24 inner wall sliding connection of fixed cover, fixed cover 24 slides from top to bottom on connecting rod 164 surface.

In this embodiment, rectangular block 18 back installation is equipped with first motor, the output shaft and the inserted bar 19 fixed connection of first motor, the internal diameter of through-hole groove 166 is greater than the external diameter of probe protection plate 17 and fixed cover 24, utilizes driving motor to drive inserted bar 19 and rotates, is convenient for drive and rotates plectane 160 and rotates, and then makes probe protection plate 17 can reciprocate under the drive of second connecting rod 161, and second connecting rod 161 slides from top to bottom in sleeve 22.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.