CN221719732U - A transport mechanism for optical inspection equipment - Google Patents

Abstract

The utility model discloses an optical detection equipment transportation mechanism, comprising a base plate, a workpiece mounting plate, a distance adjustment mechanism and a position changing mechanism, wherein a fixed cover is arranged on one side surface of the base plate, and an optical detection device mounting side plate is arranged on the other side surface of the base plate, the distance adjustment mechanism comprises a driving motor, an adjustment plate and a symmetrically distributed transportation screw rod, and a sprocket assembly, wherein the transportation screw rod sequentially penetrates the driving motor, and one end of the adjustment plate is connected to the optical detection device mounting side plate, and the sprocket assembly is installed inside the fixed cover; the position of the workpiece mounting plate can be changed by transportation in three dimensions, so that the optical detection instrument equipment on the displacement plate can detect defects at different positions on the workpiece, and secondly, the position of the displacement plate is changed, so that different optical detection instruments equipment on the displacement plate can detect different defects on the workpiece, and the position of the optical detection equipment and the workpiece can be transported and adjusted at the same time.

Description

A transport mechanism for optical inspection equipment

Technical Field

The utility model belongs to the technical field of optical detection auxiliary devices, and in particular relates to a transportation mechanism for optical detection equipment.

Background Art

In SMT patch processing, defects are often encountered in the processing and production of printed circuit board workpieces, which need to be detected. Optical detection is a conventional method for detecting workpiece defects in SMT patches using optical principles. The Chinese utility model authorized patent application number is CN202022421535.X, which discloses a heat dissipation and dustproof housing for an optical detection device and an optical detection device. Optical detection instruments and equipment use optical principles to detect workpiece defects, which is a public technology;

During the process of inspecting workpieces with optical inspection instruments, it is necessary to inspect different positions on the workpiece surface in order to inspect from multiple angles such as the workpiece surface shape, surface features and incident angle of light. In existing inspection methods, generally the inspection instrument is fixed and the workpiece is moved, or the workpiece is fixed and the inspection instrument is moved. However, there are usually many inspection items, and multiple inspection instruments are required to detect different defects on the workpiece. In addition, different optical inspection equipment is also required to inspect different workpieces. The inspection instrument or workpiece in a fixed state cannot transport and adjust the position of the optical inspection equipment and the workpiece at the same time, which is not conducive to inspection. When the optical inspection instrument inspects the workpiece, there is a problem that the position of the optical inspection equipment and the workpiece cannot be transported and adjusted at the same time. For this reason, the present application proposes an optical inspection equipment transportation mechanism.

Utility Model Content

The utility model aims to provide an optical detection equipment transportation mechanism to solve the problem in the above background technology that the positions of the optical detection equipment and the workpiece cannot be transported and adjusted simultaneously.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an optical detection equipment transport mechanism, including a base plate, a workpiece mounting plate, a distance adjustment mechanism and a position changing mechanism, a fixed cover is provided on one side surface of the base plate, and an optical detection device mounting side plate is provided on the other side surface of the base plate, the distance adjustment mechanism includes a driving motor, an adjustment plate and a symmetrically distributed transport screw, and a sprocket assembly, the transport screw sequentially passes through the driving motor, one end of the adjustment plate is connected to the optical detection device mounting side plate, the sprocket assembly is installed inside the fixed cover, the position changing mechanism is installed on the adjustment plate and the optical detection device mounting side plate, the position changing mechanism includes an adjusting motor, a pulley, a driving belt, a displacement plate and a guide wheel, the adjusting motor The machine is connected with the pulley, and the guide wheel is distributed on the surfaces opposite to the adjustment plate and the optical detection device installation side plate. The driving belt passes around the pulley and the guide wheel, and the displacement plate is connected with the driving belt. A fine-tuning mechanism and a lifting plate are provided on the side of the displacement plate. The fine-tuning mechanism includes an adjusting shaft, a driving gear and an opposite stabilizing plate. The stabilizing plate is connected with the displacement plate, and the adjusting shaft passes through the stabilizing plate and the driving gear. The driving gear is distributed between the opposite stabilizing plates. A toothed pressure plate is provided on the surface of the lifting plate facing the driving gear, and a connecting slider is provided on the surface of the lifting plate facing the stabilizing plate. A supporting block is provided on the outer surface of the lifting plate, and connecting blocks are provided at both ends of the workpiece mounting plate. A limiting column passing through the connecting block is provided on the supporting block.

Preferably, a slide rail assembly is provided on the surface of the bottom plate, and the slide rail assembly includes a guide rail installed on the surface of the bottom plate, and a positioning slider connected to the bottom of the adjustment plate, and the positioning slider is slidably connected to the guide rail.

Preferably, the driving motor is installed at the center position of one side of the fixed cover, the conveying screw rod passes through the end position of one side of the fixed cover, a movable slider is provided on the adjustment plate, and the conveying screw rod passes through the movable slider.

Preferably, the driving motor is provided with an output shaft, and the conveying screw and the output shaft have the same rotation direction.

Preferably, the radius of the pulley is the same as the diameter of the guide wheel, and the displacement plate is provided with a clamping piece for clamping the driving belt.

Preferably, the stabilizing plate and the lifting plate are of "U"-shaped structure, the adjusting shaft passes through the middle position of the stabilizing plate, the adjusting shaft and the driving gear rotate in the same direction, the tooth pressure plate is provided with fixed teeth, and the driving gear is meshed and connected with the tooth pressure plate.

Preferably, the end of the connecting slider located inside the lifting plate is a "T"-shaped structure, the end of the connecting slider exposed outside the lifting plate is connected to the stabilizing plate, the side of the lifting plate coincides with the side of the opposite stabilizing plate, and the connecting block is provided with a through hole for the limiting column to pass through.

Compared with the prior art, the beneficial effects of the utility model are:

In the utility model, the position of the workpiece mounting plate can be transported and changed in three dimensions, so that the optical detection instrument equipment on the displacement plate can detect defects at different positions on the workpiece. Secondly, the position of the displacement plate is changed, so that different optical detection instruments and equipment on the displacement plate can detect different defects on the workpiece, and the positions of the optical detection equipment and the workpiece can be transported and adjusted at the same time.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model;

FIG2 is a schematic diagram of the front structure of the bottom plate of the utility model;

FIG3 is a schematic diagram of the three-dimensional structure of the bottom plate of the utility model;

FIG4 is an enlarged structural schematic diagram of portion C in FIG3 of the present invention;

FIG5 is an enlarged structural schematic diagram of part A in FIG2 of the present utility model;

FIG6 is a side view of the lifting plate of the present invention;

FIG7 is an enlarged structural schematic diagram of part B in FIG1 of the present utility model;

In the figure: 1. bottom plate; 5. fine adjustment mechanism; 6. lifting plate; 7. workpiece mounting plate; 11. fixing cover; 12. optical detection device mounting side plate; 21. guide rail; 22. positioning slide block; 31. driving motor; 32. transport screw rod; 33. adjusting plate; 34. sprocket assembly; 41. adjusting motor; 42. pulley; 43. driving belt; 44. displacement plate; 45. guide wheel; 51. stabilizing plate; 52. adjusting shaft; 53. driving gear; 61. tooth pressure plate; 62. support block; 63. connecting slide block; 71. connecting block; 621. limiting column.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Example

Please refer to Figures 1 to 7. The utility model provides a technical solution: an optical detection equipment transportation mechanism, including a base plate 1, a workpiece mounting plate 7, a distance adjustment mechanism and a position changing mechanism. A fixed cover 11 is provided on one side surface of the base plate 1, and an optical detection device mounting side plate 12 is provided on the other side surface of the base plate 1. The fixed cover 11 and the optical detection device mounting side plate 12 are screwed together with the base plate 1 by screws. The workpiece is mounted on the workpiece mounting plate 7. The distance adjustment mechanism includes a driving motor 31, an adjusting plate 33 and a symmetrically distributed transportation screw rod 32, and a sprocket assembly 34. The sprocket assembly 34 is composed of a conventional sprocket and chain. The driving motor 31 drives the sprocket assembly 34 to transmit, the transportation screw rod 32 rotates, and the adjusting plate 33 and the moving slider move along the length direction of the transportation screw rod 32, which can change the adjusting plate 33, The position of the workpiece mounting plate 7 and the workpiece, the optical detection instrument equipment is installed on the surface of the displacement plate 44 on the optical detection device mounting side plate 12, which can change the distance between the workpiece mounting plate 7 and the displacement plate 44 on the X-axis, which is conducive to the detection of the workpiece; the transport screw 32 sequentially passes through the drive motor 31, one end of the adjustment plate 33 is connected to the optical detection device mounting side plate 12, and the sprocket assembly 34 is installed inside the fixed cover 11; the position changing mechanism is installed on the adjustment plate 33 and the optical detection device mounting side plate 12, the position changing mechanism includes an adjustment motor 41, a pulley 42, a driving belt 43, a displacement plate 44 and a guide wheel 45, the adjustment motor 41 is connected to the pulley 42, the guide wheel 45 is distributed on the opposite surfaces of the adjustment plate 33 and the optical detection device mounting side plate 12, and the driving belt 43 bypasses the pulley 42. and guide wheel 45, the displacement plate 44 is connected to the driving belt 43, the adjusting motor 41 drives the pulley 42 to rotate, the pulley 42 drives the driving belt 43 to transmit, the guide wheel 45 changes the direction of the driving belt 43, and the conveying driving belt 43 drives the displacement plate 44 to move, which can change the position of the displacement plate 44, so that the optical detection instrument equipment on the displacement plate 44 detects different positions on the workpiece on the Y axis, which is beneficial for different optical detection instruments installed on the displacement plate 44 to respectively detect different defects on the workpiece; a fine-tuning mechanism 5 and a lifting plate 6 are provided on the side of the displacement plate 44, the fine-tuning mechanism 5 includes an adjusting shaft 52, a driving gear 53 and an opposite stabilizing plate 51, the stabilizing plate 51 is connected to the displacement plate 44, the adjusting shaft 52 passes through the stabilizing plate 51 and the driving gear 53, and the driving gear 53 is distributed between the opposite stabilizing plates 51 The position between the lifting and lowering plates 6 and the fixing plate 51 is a little different from the position of the lifting and lowering plates 6. A toothed pressure plate 61 is provided on the surface of the lifting and lowering plates 6 facing the driving gear 53. The adjusting shaft 52 is rotated to rotate the driving gear 53. The toothed pressure plate 61 and the lifting and lowering plates 6 are lifted and lowered vertically to change the position of the workpiece on the Z-axis. A connecting slider 63 is provided on the surface of the lifting and lowering plates 6 facing the stabilizing plate 51. The connecting slider 63 is connected to the stabilizing plate 51. The connecting slider 63 is in a fixed state. The connecting slider 63 plays the role of limiting the lifting and lowering plates 6. A supporting block 62 is provided on the outer surface of the lifting and lowering plates 6. Connecting blocks 71 are provided at both ends of the workpiece mounting plate 7. A limiting column 621 penetrating the connecting block 71 is provided on the supporting block 62. The connecting block 71 on the workpiece mounting plate 7 is sleeved on the outer side of the limiting column 621. The workpiece mounting plate 7 and the lifting and lowering plates 6 are split structures. The workpiece mounting plate 7 can be removed to facilitate the replacement of different optical detection instruments and equipment.

In this embodiment, a slide rail assembly is provided on the surface of the base plate 1, and the slide rail assembly includes a guide rail 21 installed on the surface of the base plate 1, and a positioning slider 22 connected to the bottom of the adjustment plate 33. The positioning slider 22 is slidably connected to the guide rail 21, and the guide rail 21 guides the positioning slider 22, thereby positioning the position of the adjustment plate 33 so that it slides along a predetermined direction.

In this embodiment, the driving motor 31 is installed at the center position of one side of the fixed cover 11, the conveying screw 32 passes through the end position of one side of the fixed cover 11, and a moving slider is provided on the adjustment plate 33. The conveying screw 32 passes through the moving slider. When the conveying screw 32 rotates, the adjustment plate 33 and the moving slider move in the same direction.

In this embodiment, the driving motor 31 is provided with an output shaft, and the conveying screw rod 32 and the output shaft rotate in the same direction. The driving motor 31 drives the conveying screw rod 32 to rotate in the same direction, so that the adjusting plate 33 moves.

In this embodiment, the radius of the pulley 42 is the same as the diameter of the guide wheel 45, and a clamp for clamping the drive belt 43 is provided on the displacement plate 44. The displacement plate 44 and the drive belt 43 are fixed as a whole, and the drive belt 43 drives the displacement plate 44 to move during transportation.

In this embodiment, the stabilizing plate 51 and the lifting plate 6 are of a "U"-shaped structure, the adjusting shaft 52 passes through the middle position of the stabilizing plate 51, the adjusting shaft 52 and the driving gear 53 rotate in the same direction, the toothed plate 61 is provided with fixed teeth, the driving gear 53 is meshed and connected with the toothed plate 61, and when the adjusting shaft 52 and the driving gear 53 rotate, the toothed plate 61 and the lifting plate 6 are driven to rise and fall, thereby changing the height position of the lifting plate 6.

In this embodiment, one end of the connecting slider 63 located inside the lifting plate 6 is a "T"-shaped structure, and the end of the connecting slider 63 exposed outside the lifting plate 6 is connected to the stabilizing plate 51. The connecting slider 63 serves to limit the lifting plate 6, and the side of the lifting plate 6 coincides with the side of the opposite stabilizing plate 51. The connecting block 71 is provided with a through hole for the limiting column 621 to pass through.

The working principle and use process of this utility model:

Steps for optical inspection equipment to inspect workpieces:

First, different optical inspection instruments and equipment are installed on the displacement plate 44 in a conventional installation manner, the workpiece is installed on the workpiece mounting plate 7, the connecting block 71 at the end of the workpiece mounting plate 7 is sleeved on the outside of the limiting column 621, and the workpiece mounting plate 7 is convenient to install;

Second, the driving motor 31 drives the sprocket assembly 34 to transmit, the sprocket assembly 34 drives the conveying screw 32 to rotate, the adjusting plate 33 and the moving slider move along the length direction of the conveying screw 32, and the positions of the adjusting plate 33, the workpiece mounting plate 7 and the workpiece can be changed, and the distance between the workpiece mounting plate 7 and the displacement plate 44 can be changed on the X-axis;

Third, the adjusting motor 41 on the adjusting plate 33 is running, the adjusting motor 41 drives the pulley 42 to rotate, the pulley 42 drives the driving belt 43 to transmit, the guide wheel 45 changes the direction of the driving belt 43, the conveying driving belt 43 drives the displacement plate 44 to move, and the position of the displacement plate 44 can be changed, so that the optical detection instrument on the displacement plate 44 detects defects at different positions on the workpiece on the Y axis;

Fourth, the adjusting shaft 52 is rotated to rotate the driving gear 53, and the driving gear 53 is meshed and connected with the tooth pressure plate 61, and the tooth pressure plate 61 and the lifting plate 6 are vertically lifted and lowered, so that the position of the workpiece on the Z axis can be changed, and the optical detection instrument can detect defects on the surface of the workpiece in three dimensions;

Fifth, the connecting block 71 on the workpiece mounting plate 7 is sleeved on the outer side of the limiting column 621. The workpiece mounting plate 7 and the lifting plate 6 are split structures. The workpiece mounting plate 7 can be removed and replaced with the workpiece mounting plate 7 for mounting different workpieces, so as to facilitate the detection of different workpieces.

Sixth, similar to step three, the adjustment motor 41 on the optical detection device installation side plate 12 is operated to change the position of the displacement plate 44, so that different optical detection instruments and equipment on the displacement plate 44 detect different defects on the workpiece, and the positions of the optical detection equipment and the workpiece can be transported and adjusted at the same time;

To sum up: the position of the workpiece mounting plate 7 can be transported and changed in three dimensions, so that the optical detection instrument on the displacement plate 44 can detect defects at different positions on the workpiece; secondly, the position of the displacement plate 44 is changed, so that different optical detection instruments on the displacement plate 44 can detect different defects on the workpiece, and the position of the optical detection equipment and the workpiece can be transported and adjusted at the same time.

Although the embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides an optical detection equipment transport mechanism, includes bottom plate (1), work piece mounting panel (7), distance adjustment mechanism and position change mechanism, its characterized in that: the utility model provides a distance adjusting mechanism, including driving motor (31), regulating plate (33) and symmetrical distribution's transportation lead screw (32) and sprocket assembly (34), transportation lead screw (32) run through driving motor (31) in proper order, one end and optical detection device installation curb plate (12) of regulating plate (33), sprocket assembly (34) are installed in the inside of fixed cover (11), position change mechanism installs on regulating plate (33) and optical detection device installation curb plate (12), position change mechanism includes regulating motor (41), belt pulley (42), driving belt (43), displacement board (44) and leading wheel (45), regulating motor (41) are connected with belt pulley (42), leading wheel (45) are distributed on the surface of regulating plate (33) and optical detection device installation curb plate (12), driving belt (43) bypass belt pulley (42) and leading wheel (45), displacement board (44) are equipped with displacement fine setting mechanism (6) and lifting mechanism (44), the fine adjustment mechanism (5) comprises an adjusting shaft (52), a driving gear (53) and opposite stabilizing plates (51), the stabilizing plates (51) are connected with a displacement plate (44), the adjusting shaft (52) penetrates through the stabilizing plates (51) and the driving gear (53), the driving gear (53) is distributed at positions between the opposite stabilizing plates (51), a tooth pressing plate (61) is arranged on the surface of the lifting plate (6) facing the driving gear (53), a connecting sliding block (63) is arranged on the surface of the lifting plate (6) facing the stabilizing plates (51), supporting blocks (62) are arranged on the outer surface of the lifting plate (6), connecting blocks (71) are arranged on two ends of the workpiece mounting plate (7), and limiting columns (621) penetrating through the connecting blocks (71) are arranged on the supporting blocks (62).

2. An optical inspection equipment transportation mechanism according to claim 1, wherein: the surface of bottom plate (1) is equipped with slide rail assembly, slide rail assembly is including installing guide rail (21) on bottom plate (1) surface to and with locating slide block (22) of regulating plate (33) bottom connection, locating slide block (22) and guide rail (21) sliding connection.

3. An optical inspection equipment transportation mechanism according to claim 1, wherein: the driving motor (31) is arranged at the center of one side surface of the fixed cover (11), the transportation screw rod (32) penetrates through the end part of one side surface of the fixed cover (11), the adjusting plate (33) is provided with a movable slide block, and the transportation screw rod (32) penetrates through the movable slide block.

4. An optical inspection equipment transportation mechanism according to claim 1, wherein: an output shaft is arranged on the driving motor (31), and the rotation directions of the conveying screw rod (32) and the output shaft are the same.

5. An optical inspection equipment transportation mechanism according to claim 1, wherein: the radius of the belt pulley (42) is the same as the diameter of the guide wheel (45), and the displacement plate (44) is provided with a clamping piece for clamping the driving belt (43).

6. An optical inspection equipment transportation mechanism according to claim 1, wherein: the stabilizing plate (51) and the lifting plate (6) are of a U-shaped structure, the adjusting shaft (52) penetrates through the middle position of the stabilizing plate (51), the adjusting shaft (52) and the driving gear (53) rotate in the same direction, fixed teeth are arranged on the tooth pressing plate (61), and the driving gear (53) is connected with the tooth pressing plate (61) in a meshed mode.

7. An optical inspection equipment transportation mechanism according to claim 1, wherein: the connecting slide block (63) is located at one end inside the lifting plate (6) and is of a T-shaped structure, the end, exposed out of the lifting plate (6), of the connecting slide block (63) is connected with the stabilizing plate (51), the side face of the lifting plate (6) is matched with the side face of the opposite stabilizing plate (51), and the connecting block (71) is provided with a through hole for the limiting column (621) to penetrate through.