Nixie tube shaping test equipment

Abstract

The utility model provides nixie tube shaping test equipment which comprises a machine base, and the following devices are sequentially arranged on the machine a feeding device which is used for conveying and inputting nixie tubes and comprises two narrow conveying belts which are parallel to each other and have an adjustable distance; the shaping device is used for shaping the pins of the nixie tubes and comprises a shaping block, and shaping holes matched with the pins of the nixie tubes are formed in the shaping block; the testing device is used for electrical detection of the nixie tube and comprises a testing seat and probes located on the two sides of the testing seat, and the tips of the probes are electrically connected with the pins of the nixie tube located on the testing seat respectively; the discharging device is used for outputting and conveying the nixie tubes and comprises two sliding rails arranged side by side and a push rod arranged on the sliding rails. The transferring device is used for transferring the nixie tubes among the devices and comprises a U-shaped support and a T-shaped support which are installed at the tail end of the mechanical arm, and a first suction cup and a second suction cup are installed on the T-shaped support and located on the same horizontal line.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of nixie tube production equipment, especially to a kind of equipment of nixie tube pin shaping, electrical property test and appearance detection. BACKGROUND

[0002] Nixie tube is a kind of electronic device that can display numbers and other information, and is widely used in various household appliances and various automation equipment.Nixie tube generally includes circuit board provided with multiple light-emitting diodes and two rows of pins arranged on the circuit board.During the production process of nixie tube, the pins are often arranged irregularly, which affects the subsequent assembly process, so the pins must be corrected.

[0003] The existing pin correction of nixie tube usually adopts manual or with the help of some auxiliary equipment.The manual shaping method is used to shape the pins of nixie tube, which has low production efficiency, high labor intensity, is easy to cause pin fracture and is difficult to ensure product quality.

[0004] In addition, during the production process of nixie tube, its electrical performance needs to be tested and the appearance of display panel needs to be detected.The electrical property test of nixie tube in the prior art is usually completed manually with the help of testing instrument and auxiliary test fixture, which has low efficiency.The appearance detection of display panel is usually checked by manual visual inspection, which has high labor intensity, low efficiency and is easy to make mistakes.

[0005] Therefore, it is necessary to provide an automatic nixie tube device capable of automatically completing pin correction, electrical property test and visual detection of nixie tube to meet the production needs. UTILITY MODEL CONTENT

[0006] In order to solve the above-mentioned problems of low automation degree and low efficiency in pin correction, electrical property test and visual detection during the production process of nixie tube, the utility model provides a nixie tube shaping test device.

[0007] The utility model discloses a kind of nixie tube shaping test equipment, including base, the platform of base has a transverse and a longitudinal direction perpendicular to each other, the platform of base is provided with the following device: feeding device, it is set along transverse, for the nixie tube is conveyed along transverse, including two parallel, the spacing between them adjustable narrow conveyor belt, so that the pin of the nixie tube is located in the gap between two narrow conveyor belts;Shaping device, located in the side of feeding device, for the pin shaping of nixie tube, including shaping block, shaping hole is provided on shaping block and cooperates with the pin of nixie tube, the hole depth size of shaping hole is greater than the pin length size of nixie tube;Testing device, for the electrical detection of nixie tube, between the shaping device and the discharging device, including test seat and probe located on the both sides of test seat, probe is used to be electrically connected with the pin of nixie tube on test seat;Discharging device, it is set along transverse, including two side-by-side arranged magnetic slide rail and push rod arranged on magnetic slide rail;Transfer device, for the transfer of nixie tube, including U-shaped support and two T-shaped supports installed at the end of manipulator, two ends of U-shaped support are connected with T-shaped support respectively, T-shaped support is located on the same side of U-shaped support, and perpendicular to U-shaped support, first suction disc and second suction disc are respectively installed in the strip-shaped groove of T-shaped support, first suction disc and second suction disc are located on the same horizontal line, and the distance between them is adjustable.

[0008] The utility model discloses a kind of preferred nixie tube shaping test equipment, also including installation in base, and located in the side of the testing device CCD detection device, CCD detection device includes the test seat bottom end of connecting the testing device, for driving testing device along longitudinal direction moves screw rod assembly, and located above the distal end of screw rod assembly, for collecting the image information of nixie tube on test seat camera.

[0009] Preferably, the CCD detection device further includes a vertical column, a vertical guide rail mounted on the upper portion of the side wall of the vertical column, and a sliding block relatively sliding along the vertical guide rail. The sliding block is mounted with the camera through an L-shaped connecting plate.

[0010] Preferably, a light protection cover accommodating the CCD detection device is arranged on the base. A window for the testing device to enter and exit below the camera of the CCD detection device is arranged at the connection between the lower end of the light protection cover and the base.

[0011] Preferably, limit grooves matched with one side of the pin of the nixie tube are arranged on both sides of the upper end of the test seat of the testing device.

[0012] Preferably, the testing device further includes a horizontal screw rod. The horizontal screw rod passes through the bottom end of the test seat. Two screw rod nuts are sleeved on the horizontal screw rod. The two screw rod nuts are respectively located on both sides of the test seat. A fixing member is mounted on each screw rod nut. A plurality of mounting holes for inserting the probes are arranged on the fixing member.

[0013] Preferably, the outer side of the narrow conveying belt of the feeding device is provided with a screw rod base, an adjusting screw rod is arranged on the screw rod base, one end of the adjusting screw rod is connected with a handle, and the other end of the adjusting screw rod is connected with the narrow conveying belt, and the spacing between the two narrow conveying belts can be adjusted by rotating the handle.

[0014] Preferably, the upper side of the narrow conveying belt of the feeding device is respectively provided with a pressing plate, and a gap is arranged between the pressing plate and the upper surface of the narrow conveying belt, and the height dimension of the gap is greater than the thickness dimension of the edge portion of the nixie tube shell.

[0015] Preferably, a stopper is arranged at the output end of the narrow conveying belt of the feeding device, the stopper is used for blocking the movement of the nixie tube on the narrow conveying belt, and an empty gap is arranged on the inner side of the stopper, and the empty gap is used for facilitating the grabbing of the nixie tube.

[0016] Preferably, the device further comprises a man-machine interaction touch screen, and the man-machine interaction touch screen is electrically connected with the feeding device, the testing device, the CCD detection device, the transfer device and the discharging device.

[0017] The automatic nixie tube production equipment provided by the utility model is specially used for the pin shaping, electrical property testing and appearance visual detection of nixie tubes, the equipment has reasonable structure design, stable and reliable operation, and the nixie tube workpiece is automatically completed from feeding, pin shaping, electrical property testing, appearance detection and discharging, and the production efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying the creativity labor intensity.

[0019] Figure 1 It is the whole structure schematic view of the utility model;

[0020] Figure 2 It is the structure schematic view of the feeding device of the utility model;

[0021] Figure 3 It is the structure schematic view of the shaping device of the utility model;

[0022] Figure 4 It is the structure schematic view of the testing device of the utility model;

[0023] Figure 5 It is the structure schematic view of the CCD detection device of the utility model;

[0024] Figure 6The structural schematic view of the actual material moving and transferring device is shown in the figure.

[0025] Figure 7 The partial structural schematic view in the figure is shown in the figure. Figure 6

[0026] Figure 8 The structural schematic view of the actual material moving and transferring device is shown in the figure.

[0027] The figure is marked as follows:

[0028] Frame 1; digital tube a; material loading device 2; narrow conveying belt 21; screw rod base 22; adjusting screw rod 23; handle 24; pressing plate 25; stopper 26; empty gap 27; shaping device 3; shaping block 31; shaping hole 32; supporting rod 33; testing device 4; testing base 41; limiting groove 411; probe 42; horizontal screw rod 43; screw rod nut 44; fixing piece 45; material unloading device 5; magnetic sliding rail 51; push rod 52; push rod motor 53; material moving and transferring device 6; mechanical hand 61; X-axis transmission piece 61a; Z-axis transmission piece 61b; base 61c; U-shaped support 62; first suction disc 63; second suction disc 64; T-shaped support 65; strip-shaped groove 66; CCD detection device 7; screw rod assembly 71; camera 72; stand column 73; vertical guide rail 74; sliding block 75; L-shaped connecting sheet 76; light protection cover 77; window 78; man-machine interaction touch screen 8; display 9; waste box 10. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0030] EMBODIMENT

[0031] Please refer to Figure 1 ​A digital tube shaping test device, comprising a base 1, a platform of the base 1 is provided with a transverse direction D1 and a longitudinal direction D2 which are perpendicular to each other, and the platform of the base 1 is provided with the following devices: a feeding device 2, a shaping device 3, a testing device 4, a CCD detection device 7, a transfer device 6, a discharging device 5, a man-machine interactive touch screen 8 and a display screen 9 for displaying the running state of the device. The feeding device 2 is used for conveying and inputting the digital tube; the shaping device 3 is used for shaping the pin of the digital tube, that is, correcting the pin of the digital tube which is inclined; the testing device 4 is used for detecting the electrical performance of the digital tube, so as to ensure that the qualified products after the electrical performance detection flow into the next process; the CCD detection device 7, also known as a visual detection device, is arranged on one side of the testing device 4 and is used for visually detecting the appearance of the display panel of the digital tube; the transfer device 6 is used for transferring the digital tube, specifically, the transfer device 6 is used for transferring the digital tube at the output end of the feeding device 2 to the shaping device 3, after the shaping of the pin of the digital tube is completed, the transfer device 6 is used for transferring the digital tube to the testing device 4 for electrical test, and the digital tube which passes the electrical test is transferred to the discharging device 5 by the transfer device 6; the man-machine interactive touch screen 8 is electrically connected with the feeding device 2, the testing device 4, the CCD detection device 7, the transfer device 6 and the discharging device 5.

[0032] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the feeding device 2 is arranged along the transverse direction D1 and is used for conveying the digital tube along the transverse direction D1, and the feeding device 2 comprises two narrow conveying belts 21 which are parallel to each other and have an adjustable spacing, the spacing between the two narrow conveying belts 21 is adjustable, so as to adapt to digital tubes with different width sizes, so that the pin of the digital tube is located in the gap between the two narrow conveying belts 21, and the pin deformation of the digital tube caused by the contact between the pin of the digital tube and the narrow conveying belt 21 is avoided. The shaping device 3 is arranged along the transverse direction D1 at the output end of the feeding device 2 and is used for shaping the pin of the digital tube, so that the pin of the digital tube is shaped into a straight state, and the shaping device 3 comprises a shaping block 31, the shaping block 31 is provided with a shaping hole 32 which cooperates with the pin of the digital tube, and the hole depth size of the shaping hole 32 is greater than the length size of the pin of the digital tube. As shown in Figure 4 , the testing device 4 is arranged along the longitudinal direction D2 and is used for electrical detection of the digital tube, and the testing device 4 comprises a testing seat 41 and probes 42 which are arranged on both sides of the testing seat 41, the probes 42 are used for electrical connection with the pin of the digital tube on the testing seat 41. As shown in Figure 1 and Figure 8 , the discharging device 5 is arranged along the transverse direction D1 and is located in the same horizontal plane as the feeding device 2 and the shaping device 3, and the discharging device 5 comprises two magnetic sliding rails 51 which are arranged side by side and a push rod 52 which is arranged on the magnetic sliding rails 51, the magnetic sliding rails 51 have a magnetic attraction effect on the pin of the digital tube, so as to prevent the digital tube from being separated from the magnetic sliding rails 51 of the discharging device 5. As shown in Figure 6 andFigure 7 As shown, the transfer device 6 is used for transferring the digital tube, and includes a U-shaped bracket 62 and two T-shaped brackets 65 installed at the end of the manipulator 61. The two ends of the U-shape of the U-shaped bracket 62 are respectively connected to the T-shaped bracket 65. The T-shaped bracket 65 is located on the same side of the U-shaped bracket 62 and is arranged perpendicular to the U-shaped bracket 62. The first suction cup 63 and the second suction cup 64 are respectively installed in the strip groove 66 of the T-shaped bracket 65. The first suction cup 63 and the second suction cup 64 are located on the same horizontal line, and the distance between them is adjustable.

[0033] like Figure 2 The figure shows the structure of the feeding device 2. The feeding device 2 includes two parallel narrow conveyor belts 21 with an adjustable spacing. A screw seat 22 is provided on the outside of each narrow conveyor belt 21. An adjustment screw 23 is inserted through the screw seat 22. One end of the adjustment screw 23 is connected to a handle 24, and the other end is connected to the narrow conveyor belt 21. When the handle 24 is rotated, the adjustment screw 23 is rotated in or out relative to the screw seat 22, driving the narrow conveyor belt 21 to move, thereby adjusting the spacing between the two narrow conveyor belts 21 to accommodate the transportation of digital tubes of different sizes. Above the two narrow conveyor belts 21, there are pressure plates 25 for limiting the position of the digital tubes. The pressure plates 25 extend along the direction of movement of the narrow conveyor belts 21. The pressure plates 25 can also be made up of multiple pieces. The overall length of the pressure plates 25 is slightly greater than the length of the narrow conveyor belts 21. There is a gap between the lower surface of the pressure plates 25 and the upper surface of the narrow conveyor belts 21. The height of the gap is greater than the thickness of the edge of the digital tube housing, which facilitates the smooth passage of the digital tube through the gap. Two stoppers 26 are provided at the output end of the narrow conveyor belts 21. The stoppers 26 are used to prevent the digital tubes on the narrow conveyor belts 21 from continuing to move forward. A gap 27 is provided on the inner side of the upper ends of the two stoppers 26 to facilitate the grasping of the transfer device 6.

[0034] like Figure 3 The figure shows the structure of the shaping device 3. The shaping device 3 includes a shaping block 31 and support rods 33. There are four support rods 33. The lower ends of the support rods 33 are fixed to the base 1. The upper ends of the support rods 33 are connected to the lower ends of the four right angles of the shaping block 31, playing a role in stabilizing the shaping block 31. The shaping block 31 is provided with shaping holes 32 that match the pins of the digital tube. The shaping holes 32 are arranged in two rows, and their number is the same as the number of pins of the digital tube. The upper end of each shaping hole 32 is flared, which facilitates the smooth insertion of the pins of the digital tube into the shaping hole 32. During use, the gripper of the transfer device 6 moves the digital tube transported by the loading device 2 to the top of the shaping block 31, and the gripper of the transfer device 6 moves downward, so that the pins of the digital tube are inserted along the trumpet mouth at the upper end of the shaping hole 32 of the shaping block 31. The pins move relatively forward and backward and left and right in the shaping hole 32, and the inner wall of the shaping hole 32 generates a force on the deflected pins, thereby being corrected.

[0035] As Figure 4 shown, a structure schematic diagram of the testing device 4, including a testing seat 41, and probes 42 located on both sides of the testing seat 41, the probes 42 are used for electrical connection with the pins of the nixie tube a on the testing seat 41, the probes 42 are two rows, the needle points of each row of probes 42 correspond to the pins of the nixie tube a on the testing seat 41. On both sides of the upper end of the testing seat 41, a limiting groove 411 is opened downward, which cooperates with one side of the pin of the nixie tube, the limiting groove 411 is used for nixie tube limiting, which is convenient for testing. The testing device 4 further includes a horizontal screw rod 43, the horizontal screw rod 43 passes through the bottom end of the testing seat 41, the forward threaded section and the reverse threaded section of the horizontal screw rod 43 are respectively sleeved with two screw nuts 44, the horizontal screw rod 43 and the screw nut 44 constitute a screw pair, the two screw nuts 44 are located on both sides of the testing seat 41, a fixing piece 45 is installed on the screw nut 44, the fixing piece 45 is provided with a plurality of mounting holes for inserting the probes 42, when the horizontal screw rod 43 rotates, the probes 42 of the fixing piece 45 on the two screw nuts 44 are driven to move relative to the testing seat 41, so that the needle points of the probes 42 can be in contact with or away from the pins of the nixie tube on the testing seat 41, which is used for electrical detection.

[0036] As Figure 1 and Figure 5 shown, the CCD detection device 7 includes a testing seat 41 bottom end connected to the testing device 4, a screw rod assembly 71 for driving the testing device 4 to move back and forth along the longitudinal direction D2, and a camera 72 located above the distal end of the screw rod assembly 71, for collecting image information of the nixie tube on the testing seat 41, when the motor of the screw rod assembly 71 works in forward and reverse directions, the testing seat 41 can be driven to move from one end of the screw rod assembly 71 to the other end of the screw rod assembly 71, and return to the initial testing position of the testing seat 41. The CCD detection device 7 further includes a stand 73, a vertical guide rail 74 installed on the upper part of the side wall of the stand 73, a sliding block 75 sliding along the vertical guide rail 74, the sliding block 75 is installed with the camera 72 through an L-shaped connecting piece 76, the sliding block 75 drives the camera 72 to rise and fall under the drive of the motor screw pair, which is convenient for accurate focusing of the camera 72. A light protection cover 77 accommodating the CCD detection device 7 is arranged on the machine base 1, a window 78 for the testing device 4 to enter and exit under the camera 72 of the CCD detection device 7 is arranged at the connection between the lower end of the light protection cover 77 and the machine base 1.

[0037] As Figure 1 , Figure 6 , Figure 7As shown, the transfer device 6 includes a U-shaped bracket 62 mounted at the end of the manipulator 61, and the two ends of the U-shaped bracket 62 are respectively provided with a first suction cup 63 and a second suction cup 64, and the first suction cup 63 and the second suction cup 64 are located on the same horizontal line, and the first suction cup 63 and the second suction cup 64 are connected with a vacuum device, and the suction cups can grasp the nixie tube through vacuum adsorption, of course, the mechanical gripper can also be used to grasp the nixie tube workpiece. The manipulator 61 includes an X-axis transmission member 61a and a Z-axis transmission member 61b, and the Z-axis transmission member 61b is mounted on the X-axis transmission member 61a, and the X-axis transmission member 61a is mounted on the platform of the base 1 of the device through the base 61c.

[0038] As shown in Figure 1 and Figure 8 As shown, the blanking device 5 includes two parallel magnetic slide rails 51, and a push rod 52 is arranged on the magnetic slide rail 51, and the push rod 52 is connected with a push rod motor 53, and under the driving of the push rod motor 53, the push rod 52 pushes the nixie tube workpiece on the magnetic slide rail 51 from the input end of the magnetic slide rail 51 to the output end, and completes the blanking.

[0039] As shown in Figure 1 As shown, between the input end of the testing device 4 and the input end of the blanking device 5, a waste box 10 is further arranged, and the waste box 10 is used to collect the nixie tubes that are unqualified in the electrical detection and display panel detection.

[0040] The working principle of the embodiment is as follows:

[0041] The nixie tube workpiece is conveyed from the input end of the feeding device 2 to the output end thereof, and the feeding device 2, the shaping device 3, the testing device 4 and the blanking device 5 are arranged along the same horizontal direction, the double-station suction cup of the transfer device 6 moves the nixie tube workpiece from the output end of the feeding device 2 to the shaping device 3, the testing device 4 and the blanking device 5, and the CCD detection device 7 is arranged perpendicular to the horizontal direction, and the nixie tube that is qualified in the testing device 4 is driven by the lead screw assembly 71 to move to the camera 72 of the CCD detection device 7 for appearance detection, and after the detection is completed, the nixie tube is moved to the detection station of the testing device 4, and then is moved to the blanking device 5 through the transfer device 6, and the unqualified workpiece is moved to the waste box 10.

[0042] The specific embodiments described herein are merely illustrative of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the purpose of the present application or exceed the scope defined by the appended claims.

Claims

1. A nixie tube shaping test apparatus comprising a base (1) having a transverse direction (Dl) and a longitudinal direction (D2) perpendicular to each other on a platform of the base (1), characterized in that, The platform of the machine base (1) is provided with the following devices: The feeding device (2) is arranged along the transverse direction (D1) and is used for conveying the digital tube along the transverse direction (D1) and includes two parallel narrow conveying belts (21) with adjustable spacing, so that the pins of the digital tube are located in the gap between the two narrow conveying belts (21); The shaping device (3) is located on one side of the feeding device (2) and is used for shaping the pins of the digital tube and includes a shaping block (31) provided with a shaping hole (32) matched with the pin of the digital tube, and the hole depth of the shaping hole (32) is greater than the length of the pin of the digital tube; The testing device (4) is used for electrical detection of the digital tube and is located between the shaping device (3) and the discharging device (5) and includes a testing seat (41) and probes (42) located on both sides of the testing seat (41), and the probes (42) are used for electrical connection with the pins of the digital tube on the testing seat (41); The discharging device (5) is arranged along the transverse direction (D1) and includes two side-by-side magnetic sliding rails (51) and a push rod (52) arranged on the magnetic sliding rails (51); The transfer device (6) is used for transferring the digital tube and includes a U-shaped support (62) and two T-shaped supports (65) mounted at the end of a mechanical hand (61), the two ends of the U-shaped support (62) are connected with the T-shaped supports (65) respectively, the T-shaped supports (65) are located on the same side of the U-shaped support (62) and are perpendicular to the U-shaped support (62), a first suction disc (63) and a second suction disc (64) are respectively arranged in the strip-shaped grooves (66) of the T-shaped supports (65), the first suction disc (63) and the second suction disc (64) are located on the same horizontal line and the distance between them is adjustable.

2. The nixie tube shaping test apparatus according to claim 1, characterized by: Further comprising a CCD detection device (7) mounted on the machine base (1) and located on one side of the testing device (4), the CCD detection device (7) includes a testing seat (41) connected to the bottom end of the testing device (4), a lead screw assembly (71) used for driving the testing device (4) to move along the longitudinal direction (D2), and a camera (72) located above the distal end of the lead screw assembly (71) and used for collecting image information of the digital tube on the testing seat (41).

3. The nixie tube shaping test apparatus according to claim 2, characterized by: The CCD detection device (7) further comprises a vertical column (73), a vertical guide rail (74) mounted on the upper part of the side wall of the vertical column (73), and a sliding block (75) sliding along the vertical guide rail (74), and the sliding block (75) is mounted with the camera (72) through an L-shaped connecting plate (76).

4. The nixie tube shaping test apparatus according to claim 3, characterized by: The machine base (1) is provided with a light protection cover (77) accommodating the CCD detection device (7), and a window (78) for the testing device (4) to enter and exit below the camera (72) of the CCD detection device (7) is arranged at the connection between the lower end of the light protection cover (77) and the machine base (1).

5. The nixie tube shaping test apparatus according to claim 1, characterized by: Limiting grooves (411) matched with one side of the pin of the digital tube are respectively formed downward on both sides of the upper end of the testing seat (41) of the testing device (4).

6. The nixie tube shaping test apparatus according to claim 5, characterized by: The test device (4) further comprises a horizontal screw rod (43) penetrating through the bottom end of the test seat (41), two screw nuts (44) are sleeved on the horizontal screw rod (43), the two screw nuts (44) are respectively located on the two sides of the test seat (41), a fixing piece (45) is installed on the screw nut (44), and a plurality of mounting holes for inserting the probe (42) are formed in the fixing piece (45).

7. The device of claim 1, wherein: The outer side of the narrow conveying belt (21) of the feeding device (2) is provided with a screw rod seat (22), the screw rod seat (22) is provided with an adjusting screw rod (23) penetratingly arranged thereon, one end of the adjusting screw rod (23) is connected with a handle (24), the other end is connected with the narrow conveying belt (21), and the interval between the two narrow conveying belts (21) can be adjusted by rotating the handle (24).

8. The nixie tube shaping test apparatus according to claim 7, characterized by: The upper side of the narrow conveying belt (21) of the feeding device (2) is respectively provided with a pressing plate (25), the pressing plate (25) and the upper surface of the narrow conveying belt (21) have a gap, and the height dimension of the gap is greater than the thickness dimension of the edge part of the digital tube shell.

9. The nixie tube shaping test apparatus according to claim 8, characterized in that: A stop piece (26) is arranged at the output end of the narrow conveying belt (21) of the feeding device (2), which is used for blocking the digital tube on the narrow conveying belt (21) from moving forward, and an empty gap (27) is arranged on the inner side of the stop piece (26) for facilitating the grabbing of the digital tube.

10. The nixie tube shaping test apparatus according to any one of claims 1 to 9, characterized by: Further comprising a man-machine interaction touch screen (8) which is electrically connected with the feeding device (2), the test device (4), the CCD detection device (7), the transfer device (6) and the discharging device (5).

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