PCBA circuit board chip mounter

Abstract

The utility model relates to the technical field of circuit board processing, and discloses a PCBA circuit board chip mounter which comprises a fixed frame and a movable frame attached to the right side of the fixed frame, and a U-shaped plate is arranged at the position, close to the left side, of an inner cavity of the movable frame. The height of a U-shaped plate can be adjusted through mutual cooperation of a threaded sleeve, a screw rod, a fixing plate, a guide block, a guide rod, a synchronous belt, a driven bevel gear, a driving bevel gear and a servo motor A. Through mutual cooperation of a rotating roller, a servo motor B, a conveying belt, a connecting plate, a sliding plate, an L-shaped material pushing rod and a material pushing plate, the height of the U-shaped plate can be adjusted. According to the device, a plurality of placing plates in the placing plate in the U-shaped plate can be sequentially pushed into the fixing frame, so that the chip mounting work is facilitated, the problem that the chip mounting work is easy to deviate when the chip mounting work is conveyed through a conveying belt in the prior art is solved, and the chip mounting effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circuit board processing, specifically to a PCBA circuit board chip mounter. BACKGROUND

[0002] Printed circuit board, also known as printed circuit board, printed wiring board, commonly using English abbreviation PCBA, is an important electronic component, is the support of electronic components, is the provider of electronic component circuit connection, which needs to be pasted in production, and the mounted components are accurately placed on the PCBA circuit board.

[0003] The existing PCBA circuit board chip mounter is usually placed on the conveying belt when in use, so that it enters the chip mounting box for lamination along with the conveying belt, but it is easy to deviate during movement, which affects the effect of chip mounting, and also causes the chip mounting precision of the circuit board to be low, thereby affecting the processing quality of the circuit board.

[0004] Therefore, we propose a PCBA circuit board chip mounter to solve the problems mentioned above. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a PCBA circuit board chip mounter to solve the problems mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a PCBA circuit board chip mounter, comprising a fixed frame and a moving frame laminated on the right side of the fixed frame, a U-shaped plate is arranged on the inner cavity of the moving frame close to the left side, and lifting assemblies are jointly installed on the front and back sides of the U-shaped plate, a plurality of clamping assemblies are installed at equal intervals in the inner cavity of the U-shaped plate, a pushing assembly is installed on the inner cavity of the moving frame close to the right side, a moving assembly is installed on the middle part of the inner cavity bottom of the fixed frame, an n-shaped plate is fixedly installed on the upper part of the right side of the outer side of the fixed frame, a hydraulic cylinder B is fixedly installed on the middle part of the top of the n-shaped plate, a circular port is formed on the middle part of the top of the n-shaped plate, the power end of the hydraulic cylinder B passes through the inner cavity of the circular port and is fixedly installed with a mounting plate, an infrared sensor is fixedly installed on the bottom of the mounting plate close to the left side, and a chip mounter body is fixedly installed on the middle part of the bottom of the mounting plate.

[0007] The pushing assembly comprises two rotating rollers arranged in the inner cavity of the moving frame close to the right side, the rotating rollers are arranged left and right, first rotating shafts and second rotating shafts are fixed on the middle parts of the rotating rollers respectively, the front and rear ends of the first rotating shafts are movably installed on the inner wall of the inner cavity of the moving frame respectively, the front end of the second rotating shaft is movably installed on the inner wall of the inner cavity of the moving frame, and the rear end of the second rotating shaft movably extends to the outside of the moving frame, a bearing plate is fixedly installed on the right upper side of the rear side of the moving frame, a servo motor B is fixedly installed on the top of the bearing plate, the output end of the servo motor B is fixedly installed on the rear end of the second rotating shaft, a conveying belt is jointly sleeved on the outside of the rotating rollers, a connecting plate is fixedly installed on the top of the conveying belt close to the right side, L-shaped pushing rods are fixedly installed on the top of the connecting plate close to the front and rear sides respectively, and pushing plates are jointly fixed on the left ends of the L-shaped pushing rods.

[0008] Preferably, sliding plates are fixedly installed on the front and rear sides of the connecting plate respectively.

[0009] Preferably, sliding openings are arranged on the front and rear sides of the moving frame close to the right side respectively, and the opposite ends of the sliding plates respectively pass through the inner cavities of the adjacent sliding openings and extend to the outside of the moving frame.

[0010] Preferably, the clamping assembly comprises a placing plate slidably installed in the inner cavity of the U-shaped plate close to the top and an L-shaped clamping plate arranged on the top of the placing plate close to the front and rear sides, threaded blocks are fixedly installed on the right side of the L-shaped clamping plate respectively, the bottoms of the threaded blocks are slidably installed on the placing plate respectively, threaded rods A and B are threadedly installed on the middle parts of the threaded blocks respectively, the opposite ends of the threaded rods A and B are jointly fixedly installed on a transmission rod, and a knob is fixedly sleeved on the outside of the transmission rod.

[0011] Preferably, two vertical plates are fixedly installed on the top of the placing plate close to the right side, the vertical plates are arranged front and rear, and the opposite ends of the threaded rods A and B are movably installed on the adjacent vertical plates respectively.

[0012] Preferably, the lifting assembly comprises threaded sleeves fixedly installed on the front and rear sides of the U-shaped plate close to the bottom and screw rods threadedly installed on the threaded sleeves respectively, the lower ends of the screw rods are movably installed on the inner wall of the inner cavity of the moving frame respectively, the upper ends of the screw rods are respectively provided with fixed plates, the opposite sides of the fixed plates are fixedly installed on the inner wall of the inner cavity of the moving frame respectively, the upper ends of the screw rods movably extend to the outside of the adjacent fixed plates respectively, synchronous wheels are fixedly sleeved on the outside of the screw rods close to the bottom ends respectively, the outside of the synchronous wheels is jointly sleeved with a synchronous belt, a driven bevel gear is fixedly sleeved on the outside of the screw rod close to the top end, the rear side of the driven bevel gear is engaged with a driving bevel gear, an L-shaped plate is fixedly installed on the left upper side of the rear side of the moving frame, a servo motor A is fixedly installed on the front side of the inner side of the L-shaped plate, and the output end of the servo motor A is fixedly installed on the driving bevel gear.

[0013] Preferably, the bottom of the fixed plate is fixedly provided with guide rods near the left and right sides, the lower ends of the guide rods are fixedly installed on the inner wall of the inner cavity of the moving frame, and the outer sides of the guide rods are slidably penetrated by guide blocks, and the inner sides of the guide blocks are fixedly installed on the U-shaped plate.

[0014] Preferably, the moving assembly comprises an electric push rod fixedly installed at the middle of the bottom of the inner cavity of the fixed frame and a push plate fixedly installed at the power end of the electric push rod, a rectangular opening is formed at the top of the fixed frame near the right side, the top of the push plate extends into the inner cavity of the rectangular opening, support plates are fixedly installed at the front and rear sides of the top of the push plate, hydraulic cylinders A are fixedly installed on the opposite sides of the support plates, and clamping plates are fixedly installed at the power ends of the hydraulic cylinders A.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The height of the U-shaped plate can be adjusted through the cooperation of the threaded sleeve, the screw rod, the fixed plate, the guide block, the guide rod, the synchronous belt, the driven bevel gear, the driving bevel gear and the servo motor A, and the several placement plates placed in the U-shaped plate can be pushed in turn through the cooperation of the rotating roller, the servo motor B, the conveying belt, the connecting plate, the sliding plate, the L-shaped pushing rod and the pushing plate, and the placement plates can be pushed into the fixed frame, which is beneficial to the expansion of the patch work and solves the problem of deviation during conveying by the conveying belt, thereby improving the patch effect.

[0017] 2. The cooperation of the placement plate, the vertical plate, the L-shaped clamping plate, the threaded block, the threaded rod A, the threaded rod B, the transmission rod and the knob facilitates the placement of the circuit board and the clamping and fixing of the circuit board, improves the stability during conveying, and the cooperation of the electric push rod, the push plate, the support plate, the hydraulic cylinder A and the clamping plate can clamp and fix the pushed-in placement plate, improve the stability during patching, and after the patching is completed, the circuit board can be driven to move downward into the fixed frame, which is beneficial to the taking of the workers. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole perspective view of the utility model;

[0019] Figure 2 It is a rear side view perspective view of the utility model;

[0020] Figure 3 It is a local rear side view perspective view of the utility model;

[0021] Figure 4 It is a local rear side view perspective view of the utility model;

[0022] Figure 5 It is partial bottom view of the mobile frame of the utility model;

[0023] Figure 6 It is partial structure perspective view of the conveying belt of the utility model;

[0024] Figure 7 It is partial development perspective view of the fixed frame of the utility model;

[0025] Figure 8 It is partial structure perspective view of the placing plate of the utility model;

[0026] Figure 9 It is partial section perspective view of the placing plate of the utility model;

[0027] Figure 10 It is partial bottom view of the U-shaped plate of the utility model;

[0028] Figure 11 It is the fixed frame of the utility model, Figure 9 The enlarged view of A in the middle.

[0029] In the drawing: 1, fixed frame; 2, mobile frame; 21, sliding port; 3, U-shaped plate; 4, lifting assembly; 41, threaded sleeve; 42, screw rod; 43, fixed plate; 431, guide rod; 432, guide block; 44, synchronous belt; 45, driven bevel gear; 46, driving bevel gear; 47, servo motor A; 5, clamping assembly; 51, placing plate; 511, vertical plate; 52, L-shaped clamping plate; 53, threaded block; 54, threaded rod A; 55, threaded rod B; 56, transmission rod; 57, knob; 6, pushing assembly; 61, rotating roller; 62, servo motor B; 63, conveying belt; 64, connecting plate; 641, sliding plate; 65, L-shaped pushing rod; 66, pushing plate; 7, moving assembly; 71, electric push rod; 72, pushing plate; 73, supporting plate; 74, hydraulic cylinder A; 75, clamping plate; 8, n-shaped plate; 9, hydraulic cylinder B; 10, infrared sensor; 20, chip mounter body. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0031] Please refer to Figures 1-11The utility model relates to a kind of PCBA circuit board chip mounter, including fixed frame 1 and the mobile frame 2 of being attached to the right side of fixed frame 1, self-locking universal wheel is movably installed in the bottom of mobile frame 2 near four corners respectively, U-shaped plate 3 is arranged in the inner chamber of mobile frame 2 near left side, and lifting assembly 4 is jointly installed in the front and back of U-shaped plate 3, several clamping assemblies 5 are installed in the inner chamber of U-shaped plate 3 at equal intervals, pushing assembly 6 is installed in the inner chamber of mobile frame 2 near right side, and mobile assembly 7 is installed in the middle of the inner chamber bottom of fixed frame 1, n-shaped plate 8 is fixedly installed in the upper side near right side of the outside of fixed frame 1, hydraulic cylinder B9 is fixedly installed in the middle of the top of n-shaped plate 8, and circular port is opened in the middle of the top of n-shaped plate 8, the inner chamber of circular port is passed through the power end of hydraulic cylinder B9, and mounting plate is fixedly installed, infrared sensor 10 is fixedly installed in the bottom of mounting plate near left side, and chip mounter body 20 is fixedly installed in the middle of the bottom of mounting plate, the height of U-shaped plate 3 can be adjusted by the setting of lifting assembly 4, and the setting of clamping assembly 5 is conducive to placing circuit board and clamping and fixing, and pushing assembly 6 can push circuit board.

[0032] Pushing assembly 6 includes two rotating rollers 61 arranged in the inner chamber of mobile frame 2 near right side, rotating roller 61 is arranged left and right, and first rotating shaft and second rotating shaft are fixedly penetrated and installed in the middle of rotating roller 61 respectively, the front and back of first rotating shaft are movably installed on the inner wall of the inner chamber of mobile frame 2 respectively, the front of second rotating shaft is movably installed on the inner wall of the inner chamber of mobile frame 2, and the rear end of second rotating shaft movably penetrates and extends to the outside of mobile frame 2, load plate is fixedly installed in the top of load plate near right upper side, servo motor B62 is fixedly installed in the top of load plate, the output end of servo motor B62 is fixedly installed in the rear end of second rotating shaft, conveying belt 63 is jointly sleeved on the outside of rotating roller 61, and connecting plate 64 is fixedly installed in the top of conveying belt 63 near right side, L-shaped pushing rod 65 is fixedly installed in the top of connecting plate 64 near front and back side respectively, and pushing plate 66 is fixedly installed in the left end of L-shaped pushing rod 65, can drive pushing plate 66 to move left, realize the pushing of circuit board, and facilitate the development of chip mounting work.

[0033] Connecting plate 64 is fixedly installed in the front and back of sliding plate 641 respectively.

[0034] The front and back of mobile frame 2 are respectively provided with sliding port 21 near right side, and the opposite end of sliding plate 641 respectively penetrates the inner chamber of adjacent sliding port 21, and respectively extends to the outside of mobile frame 2, plays the role of sliding of sliding plate 641.

[0035] The clamping assembly 5 comprises a placing plate 51 slidably mounted in the inner cavity of the U-shaped plate 3 near the top and an L-shaped clamping plate 52 arranged on the top of the placing plate 51 near the front and rear sides, the right side of the L-shaped clamping plate 52 is fixedly provided with a threaded block 53, the bottom of the threaded block 53 is slidably mounted on the placing plate 51, a threaded rod A 54 and a threaded rod B 55 are threadedly penetrated and mounted on the middle part of the threaded block 53, the opposite ends of the threaded rod A 54 and the threaded rod B 55 are fixedly provided with a transmission rod 56, and the outer side of the transmission rod 56 is fixedly sleeved with a knob 57, which is beneficial to the placement of the circuit board and the clamping and fixing of the circuit board.

[0036] Two vertical plates 511 are fixedly installed on the top of the placing plate 51 near the right side, and the vertical plates 511 are arranged in front and back, the opposite ends of the threaded rod A 54 and the threaded rod B 55 are movably installed on the adjacent vertical plates 511, which plays a supporting role for the threaded rod A 54 and the threaded rod B 55.

[0037] The lifting assembly 4 comprises a threaded sleeve 41 fixedly installed on the front and rear sides of the U-shaped plate 3 near the bottom and a screw rod 42 threadedly penetrated and installed on the threaded sleeve 41, the lower ends of the screw rods 42 are movably installed on the inner wall of the inner cavity of the moving frame 2, the upper ends of the screw rods 42 are respectively provided with a fixed plate 43, the opposite sides of the fixed plates 43 are fixedly installed on the inner wall of the inner cavity of the moving frame 2, the upper ends of the screw rods 42 movably extend to the outer side of the adjacent fixed plate 43, the outer side of the screw rod 42 is fixedly sleeved with a synchronous wheel near the bottom end, the outer side of the synchronous wheel is commonly sleeved with a synchronous belt 44, the outer side of the rear screw rod 42 is fixedly sleeved with a driven bevel gear 45 near the top end, the rear side of the driven bevel gear 45 is engaged with a driving bevel gear 46, an L-shaped plate is fixedly installed on the rear side of the moving frame 2 near the upper left, a servo motor A 47 is fixedly installed on the inner side of the front side of the L-shaped plate, and the output end of the servo motor A 47 is fixedly installed on the driving bevel gear 46, so that the height of the U-shaped plate 3 can be adjusted.

[0038] The bottom of the fixed plate 43 is fixedly installed with a guide rod 431 near the left and right sides, the lower end of the guide rod 431 is fixedly installed on the inner wall of the inner cavity of the moving frame 2, and the outer side of the guide rod 431 is slidably penetrated and installed with a guide block 432, the inner side of the guide block 432 is fixedly installed on the U-shaped plate 3, which plays a guiding and limiting role when the U-shaped plate 3 moves.

[0039] In the embodiment: in use, the placement plate 51 on which several circuit boards are placed can be slid into the inner cavity of the U-shaped plate 3, and after placement is completed, the knob 57 can be rotated. When the knob 57 is rotated, it will drive the threaded rod A 54 and the threaded rod B 55 to rotate through the transmission rod 56, and when the threaded rod A 54 and the threaded rod B 55 rotate, they will drive the adjacent threaded blocks 53 to move relatively, and when the threaded blocks 53 move relatively, they will drive the adjacent L-shaped clamping plates 52 to move relatively, achieving clamping and fixing of the circuit board. After clamping and fixing are completed, the rotation of the knob 57 is stopped, at which time the moving frame 2 can be moved to the right side of the fixed frame 1, and then the self-locking universal wheel is self-locked to improve the stability of use. At this time, the servo motor B 62 can be operated, and when the servo motor B 62 is operated, it will drive the right rotating roller 61 to rotate through the second rotating shaft, at which time the left rotating roller 61 will also be driven to rotate synchronously through the conveyor belt 63, and when the conveyor belt 63 rotates, it will drive the connecting plate 64 to move left, and when the connecting plate 64 moves left, it will drive the pushing plate 66 to move left through the L-shaped pushing rod 65. It can achieve left pushing of the upper placement plate 51 in the U-shaped plate 3, that is, it can drive the upper placement plate 51 to move left in the U-shaped plate 3, so as to push the placement plate 51 to the fixed frame 1 and move it to the lower side of the placement machine body 20. The infrared sensor 10 can sense the circuit board on the placement plate 51, so as to transmit a signal to the external controller. The controller will control the hydraulic cylinder B 9 to operate, which can drive the placement machine body 20 to perform placement processing on the circuit board. After the placement is completed, the reverse operation can make the placement machine body 20 return to normal. Embodiment

[0040] This embodiment is an improvement based on embodiment 1. For details, please refer to Figure 1 and Figures 3-5 The moving assembly 7 comprises an electric push rod 71 fixedly installed at the middle part of the inner cavity bottom of the fixed frame 1 and a pushing plate 72 fixedly installed at the power end of the electric push rod 71. A rectangular opening is formed in the top of the fixed frame 1 near the right side, and the top of the pushing plate 72 extends into the inner cavity of the rectangular opening. Support plates 73 are fixedly installed at the front and rear sides of the top of the pushing plate 72, respectively. Hydraulic cylinders A 74 are fixedly installed on the opposite sides of the support plates 73, respectively. Clamping plates 75 are fixedly installed at the power ends of the hydraulic cylinders A 74, respectively, which play a role in fixing and driving the circuit board to move downward, facilitating the work staff to take the placed circuit board.

[0041] In the embodiment, the clamping plate 75 is arranged to guide and limit the left movement of the placing plate 51, and cooperates with the U-shaped plate 3 to offset the left movement of the placing plate 51, and the clamping plate 75 can also limit the placing plate 51 when the patch is pasted, which is beneficial to the better development of the patching work. The hydraulic cylinder A74 can adjust the position of the clamping plate 75, and the electric push rod 71 can be operated after the patching is completed. When the electric push rod 71 operates, the push plate 72 moves downward, and the circuit board after the patching is moved to the inner cavity of the fixed frame 1, which is convenient for work.

[0042] Work principle: in use, can be placed with several circuit board placing plate 51 slide into the inner cavity of U-shaped plate 3, and placing can be rotated knob 57, knob 57 rotates will be through transmission rod 56 drive screw rod A 54 and screw rod B 55 rotation, and screw rod A 54 and screw rod B 55 rotation will drive adjacent screw block 53 relative movement, screw block 53 relative movement will drive adjacent L-shaped clamp plate 52 relative movement, realize the clamping of circuit board fixed, clamping fixed after stop rotating knob 57, at this time can move the moving frame 2, make it move to the right side of fixed frame 1, then self locking universal wheel is self locking, improve the stability of use, at this time can make servo motor B 62 operation, servo motor B 62 operation will be through the second rotating shaft drive right side rotating roller 61 rotation, at this time also will be through the conveyor belt 63 drive left side rotating roller 61 synchronous rotation, and conveyor belt 63 rotation will drive the connecting plate 64 to left, connecting plate 64 to left will be through L-shaped push material rod 65 together drive push material plate 66 to left, realize the left push material of upper placing plate 51, namely can drive the upper placing plate 51 in U-shaped plate 3 to left, so as to push the placing plate 51 to fixed frame 1, and make it move to the below of chip mounter body 20, infrared sensor 10 can sense the circuit board on placing plate 51, so as to deliver signal to outside controller, controller will control hydraulic cylinder B 9 operation, namely can drive chip mounter body 20 to circuit board for chip mounting processing, chip mounting after reverse operation can make chip mounter body 20 restore, the setting of clamping plate 75 plays a guiding and limiting role when the left moving of placing plate 51, so as to cooperate with U-shaped plate 3 to play a role of deviation when the left moving of placing plate 51, at the same time clamping plate 75 can also play a role of limiting the placing plate 51 during chip mounting, which is beneficial to the better development of chip mounting work, and the setting of hydraulic cylinder A 74 can adjust the position of clamping plate 75, in addition, after chip mounting, electric push rod 71 can be operated, electric push rod 71 operation will drive push plate 72 to down, namely can drive the circuit board after chip mounting to move to the inner cavity of fixed frame 1, which is convenient for work to take, after taking, make push plate 72 restore, then reverse operation makes push material plate 66 restore, then servo motor A 47 operation, servo motor A 47 operation will drive driving bevel gear 46 rotation, driving bevel gear 46 rotation will drive rear screw 42 rotation through driven bevel gear 45, at this time under the transmission of synchronous belt 44 will drive the screw 42 on both sides synchronous rotation, namely can drive adjacent screw sleeve 41 synchronous upward movement, screw sleeve 41 upward movement will drive U-shaped plate 3 upward movement together, namely can adjust the height of placing plate 51 in U-shaped plate 3, make it move to just above the placing plate 51, which is beneficial to the development of next chip mounting work.

[0043] The above-mentioned components are all general standard components or components known to those skilled in the art, the structure and principle of which can be known by technical personnel through a technical manual or through a conventional experimental method, and the present application will not be described in detail here.

[0044] The content not described in detail in the specification belongs to the prior art known to those skilled in the art.

[0045] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A PCBA circuit board mounter, comprising a fixed frame (1) and a moving frame (2) mounted on the right side of the fixed frame (1), characterized in that: The inner cavity of the moving frame (2) is provided with a U-shaped plate (3) near the left side, and the front and back sides of the U-shaped plate (3) are jointly provided with a lifting assembly (4), and the inner cavity of the U-shaped plate (3) is provided with a plurality of clamping assemblies (5) at equal intervals, and the inner cavity of the moving frame (2) is provided with a pushing assembly (6) near the right side, and the middle of the bottom of the inner cavity of the fixed frame (1) is provided with a moving assembly (7), and the outer side of the fixed frame (1) is fixedly provided with an n-shaped plate (8) near the right side, the middle of the top of the n-shaped plate (8) is fixedly provided with a hydraulic cylinder B (9), and the top of the n-shaped plate (8) is provided with a circular opening, the power end of the hydraulic cylinder B (9) penetrates the inner cavity of the circular opening, and is fixedly provided with a mounting plate, the bottom of the mounting plate is fixedly provided with an infrared sensor (10) near the left side, and the middle of the bottom of the mounting plate is fixedly provided with a chip mounter body (20). The pushing assembly (6) comprises two rotating rollers (61) arranged in the inner cavity of the moving frame (2) near the right side, the rotating rollers (61) are arranged left and right, and first and second rotating shafts are fixedly penetrated and installed on the upper middle portions of the rotating rollers (61), respectively, the front and back ends of the first rotating shaft are movably installed on the inner walls of the inner cavity of the moving frame (2), respectively, the front end of the second rotating shaft is movably installed on the inner wall of the inner cavity of the moving frame (2), and the rear end of the second rotating shaft movably penetrates and extends to the outer side of the moving frame (2), a bearing plate is fixedly installed on the right upper side of the rear side of the moving frame (2), a servo motor B (62) is fixedly installed on the top of the bearing plate, the output end of the servo motor B (62) is fixedly installed on the rear end of the second rotating shaft, a conveying belt (63) is jointly sleeved on the outer side of the rotating roller (61), and a connecting plate (64) is fixedly installed on the top of the conveying belt (63) near the right side, L-shaped pushing rods (65) are fixedly installed on the top of the connecting plate (64) near the front and back sides, respectively, and a pushing plate (66) is fixedly installed on the left ends of the L-shaped pushing rods (65).

2. The PCBA circuit board placement machine of claim 1, wherein: The front and back sides of the connecting plate (64) are respectively fixedly provided with sliding plates (641).

3. The PCBA circuit board placement machine of claim 2, wherein: The front and back sides of the moving frame (2) are respectively provided with sliding openings (21) near the right side, and the opposite ends of the sliding plates (641) respectively penetrate the inner cavities of the adjacent sliding openings (21) and extend to the outer side of the moving frame (2), respectively.

4. The PCBA circuit board placement machine of claim 1, wherein: The clamping assembly (5) comprises a placing plate (51) slidably installed in the inner cavity of the U-shaped plate (3) near the top and an L-shaped clamping plate (52) arranged on the top of the placing plate (51) near the front and back sides, the right sides of the L-shaped clamping plates (52) are respectively fixedly provided with threaded blocks (53), the bottoms of the threaded blocks (53) are respectively slidably installed on the placing plate (51), threaded rods A (54) and threaded rods B (55) are respectively threadedly penetrated and installed on the upper middle portions of the threaded blocks (53), the opposite ends of the threaded rods A (54) and the threaded rods B (55) are jointly fixedly provided with a transmission rod (56), and the outer side of the transmission rod (56) is fixedly sleeved with a knob (57).

5. The PCBA circuit board placement machine of claim 4, wherein: The top of the placing plate (51) is fixedly installed with two vertical plates (511) near the right side, the vertical plates (511) are arranged in front of and behind each other, and the opposite ends of the threaded rod A (54) and the threaded rod B (55) are movably installed on the adjacent vertical plates (511).

6. The PCBA circuit board placement machine of claim 1, wherein: The lifting assembly (4) comprises threaded sleeves (41) fixedly installed on the front and rear sides of the U-shaped plate (3) near the bottom, screw rods (42) movably installed on the threaded sleeves (41) in a threaded mode, lower ends of the screw rods (42) movably installed on the inner walls of the inner cavities of the moving frames (2), opposite sides of fixed plates (43) movably extended to the outer sides of the adjacent fixed plates (43), the fixed plates (43) fixedly installed on the inner walls of the inner cavities of the moving frames (2), synchronous belts (44) sleeved on the outer sides of the synchronous pulleys, driven bevel gears (45) fixedly sleeved on the outer sides of the screw rods (42) near the top, driving bevel gears (46) engaged with the driven bevel gears (45), L-shaped plates fixedly installed on the rear sides of the moving frames (2) near the upper left, and servo motors A (47) fixedly installed on the front sides of the inner sides of the L-shaped plates.

7. The PCBA circuit board placement machine of claim 6, wherein: The bottom of the fixed plate (43) is fixedly installed with guide rods (431) near the left and right sides, lower ends of the guide rods (431) fixedly installed on the inner walls of the inner cavities of the moving frames (2), and guide blocks (432) slidably installed on the outer sides of the guide rods (431).

8. The PCBA circuit board placement machine of claim 1, wherein: The moving assembly (7) comprises an electric push rod (71) fixedly installed on the inner cavity of the fixed frame (1) near the middle of the bottom and a push plate (72) fixedly installed on the power end of the electric push rod (71), the top of the fixed frame (1) is provided with a rectangular opening near the right side, the top of the push plate (72) extends into the inner cavity of the rectangular opening, support plates (73) fixedly installed on the front and rear sides of the top of the push plate (72), hydraulic cylinders A (74) fixedly installed on the opposite sides of the support plates (73), and clamping plates (75) fixedly installed on the power ends of the hydraulic cylinders A (74).

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