Automatic PCB feeding machine for SMT production line

Abstract

The utility model relates to the technical field of automatic PCB (Printed Circuit Board) feeding machines, and discloses an automatic PCB feeding machine for an SMT (Surface Mount Technology) production line, which comprises a machine body, a supporting table is fixedly connected to the left end of the machine body, a storage box is inserted into the top end of the supporting table, and an automatic supplementing mechanism is arranged at the left end of the supporting table; and the automatic supplementing mechanism comprises an air cylinder, the bottom end of the air cylinder is fixedly connected to the left end of the supporting table, the right end of the air cylinder is fixedly connected with a movable plate, the inner wall of the storage box is elastically connected with a movable plate through a connecting spring, and the front end of the movable plate is fixedly connected with a fixed block and a limiting block. According to the PCB feeding device, when the PCB is fed, the storage box is inserted into the supporting table, then the air cylinder is started, the air cylinder drives the movable plate to move towards the left end, the two sets of movable plates can be extruded, the PCB falls on the movable plate, then the movable plate transports the PCB away, manual board feeding is avoided, and therefore the labor cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic PCB board loading machines, in particular to an automatic PCB board loading machine for an SMT production line. Background Art

[0002] The automatic PCB board loading machine for SMT production line plays an important role in the SMT (surface mount technology) process. It is one of the key equipment for automation and intelligence of production line, and plays the role of automatically replenishing PCB boards.

[0003] The working principle of the SMT board loading machine is to transfer the PCB boards stored in the turnover boxes to the production line one by one. When all the PCB boards are transferred, the empty turnover box will automatically sink and be replaced by the next turnover box full of PCB boards, thus realizing fully automatic board loading. During this process, the equipment can automatically identify and adjust the width of the PCB board to ensure accurate and efficient board delivery.

[0004] When producing small batches or customized PCB boards, due to limited quantity or special specifications, a small PCB loading machine will be used. At this time, workers can manually place the PCB boards in the slide rails, and then the automatic loading machine will complete the subsequent transmission and positioning work. When manually loading the boards, workers are required to place the PCB boards in the slide rails one by one, thereby increasing the labor cost. Therefore, an automatic PCB loading machine for SMT production lines is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an automatic PCB board loading machine for an SMT production line, aiming to improve the problem that small and medium-sized PCB board loading machines in the prior art require manual loading, thereby increasing labor costs.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic PCB board loading machine for an SMT production line, comprising a machine body, a support table is fixedly connected to the left end of the machine body, a storage box is plugged into the top of the support table, and an automatic replenishment mechanism is arranged at the left end of the support table;

[0007] The automatic replenishing mechanism includes a cylinder, the bottom end of which is fixedly connected to the left end of the support platform, the right end of the cylinder is fixedly connected to a movable plate, the inner wall of the storage box is elastically connected to the movable plate via a connecting spring, the front end of the movable plate is respectively fixedly connected to a fixed block and a limit block, the inner wall of the movable plate is elastically connected to the support block via a reset spring, the front end of the body is fixedly connected to a supporting foot, and a supporting mechanism is provided at the left end of the supporting foot.

[0008] As a further description of the above technical solution:

[0009] One end of the connecting spring is fixedly connected to the outer wall of the movable plate, the other end of the connecting spring is fixedly connected to the inner wall of the storage box, and the outer wall of the movable plate is slidably connected to the inner wall of the storage box.

[0010] As a further description of the above technical solution:

[0011] The top end of the moving plate is in the same horizontal plane as the movable plate.

[0012] As a further description of the above technical solution:

[0013] The limit blocks are provided in two groups, and the fixed block is provided in one group, and the two groups of limit blocks are located on the left end of the fixed block.

[0014] As a further description of the above technical solution:

[0015] One end of the return spring is fixedly connected to the bottom end of the support block, and the other end of the return spring is fixedly connected to the inner wall of the moving plate.

[0016] As a further description of the above technical solution:

[0017] The outer wall of the support block is slidably connected to the inner wall of the moving plate.

[0018] As a further description of the above technical solution:

[0019] The outer walls of the fixed block and the limiting block are in contact with the inclined surface of the movable plate, and the limiting block is longer than the fixed block.

[0020] As a further description of the above technical solution:

[0021] The shape of the movable plate is set to be trapezoidal, and the left end of the supporting block is provided with an inclined surface.

[0022] As a further description of the above technical solution:

[0023] The support mechanism comprises a connecting block, the right end of which is fixedly connected to the left end of the supporting foot, the inner wall of the connecting block is threadedly connected to a threaded rod, and the bottom end of the threaded rod is fixedly connected to a supporting column.

[0024] As a further description of the above technical solution:

[0025] The bottom ends of the supporting feet and the machine body are both fixedly connected with universal wheels.

[0026] The utility model has the following beneficial effects:

[0027] 1. In the utility model, by the mutual cooperation between the structures such as the machine body, the support platform and its automatic replenishing mechanism, when it is necessary to load the board, the storage box is first plugged into the support platform, and then the cylinder is started, and then the cylinder drives the movable plate to move to the left end to squeeze the two sets of movable plates, so that the PCB board falls on the movable plate, and then the movable plate transports the PCB board away, thereby avoiding manual loading of the board and saving labor costs.

[0028] 2. In the utility model, by the mutual cooperation between the supporting feet and their supporting mechanisms, the threaded rod is rotated in a certain direction to make the supporting column rise, so the machine body can be driven to move through the universal wheel, and when it moves to the specified position, the threaded rod can be rotated to make the supporting column move downward, thereby making the machine body more stable through the support column. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is an overall three-dimensional schematic diagram of an automatic PCB board loading machine for an SMT production line proposed by the utility model;

[0030] Figure 2 This is a schematic diagram of the internal cross section of a support table of an automatic PCB board loading machine for an SMT production line proposed by the utility model;

[0031] Figure 3 This is a schematic diagram of the internal section of a storage box of an automatic PCB board loading machine for an SMT production line proposed by the utility model;

[0032] Figure 4 This is a schematic diagram of the internal section of a moving board of an automatic PCB board loading machine for an SMT production line proposed by the utility model;

[0033] Figure 5 The utility model is a three-dimensional schematic diagram of the overall limit block of the automatic PCB board loading machine for the SMT production line.

[0034] Legend:

[0035] 1. Machine body; 2. Support platform; 3. Automatic replenishing mechanism; 301. Cylinder; 302. Moving plate; 303. Connecting spring; 304. Movable plate; 305. Support block; 306. Reset spring; 307. Fixed block; 308. Limiting block; 4. Storage box; 5. Support mechanism; 501. Connecting block; 502. Support column; 503. Threaded rod; 504. Universal wheel; 6. Support foot. DETAILED DESCRIPTION

[0036] 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.

[0037] Reference Figure 1 The utility model provides an embodiment: an automatic PCB board loading machine for an SMT production line, comprising a machine body 1, the machine body 1 is an automatic PCB board loading machine, a support table 2 is fixedly connected to the left end of the machine body 1, the support table 2 can provide support, a storage box 4 is plugged into the top of the support table 2, the storage box 4 can store multiple groups of PCB boards, and an automatic replenishment mechanism 3 is arranged at the left end of the support table 2; providing this mechanism can avoid manual replenishment of boards.

[0038] Reference Figure 2 , Figure 3 and Figure 5 The automatic replenishing mechanism 3 includes a cylinder 301, the bottom end of the cylinder 301 is fixedly connected to the left end of the support platform 2, and the support platform 2 can play a certain supporting role on the cylinder 301. The right end of the cylinder 301 is fixedly connected to a movable plate 302, and the movable plate 302 is driven by the cylinder 301 to move horizontally. The inner wall of the storage box 4 is elastically connected to a movable plate 304 through a connecting spring 303, and the front end of the movable plate 304 is respectively fixedly connected to a fixed block 307 and a limit block 308. The movement trajectories of the movable plate 304, the fixed block 307 and its limit block 308 are consistent. The inner wall of the movable plate 302 is elastically connected to the support block 305 through a reset spring 306, and the movement of the movable plate 302 drives the support block 305 to move. The front end of the body 1 is fixedly connected to a supporting foot 6, and a supporting mechanism 5 is arranged on the left end of the supporting foot 6. The stability of the supporting foot 6 is improved through the supporting mechanism 5.

[0039] Reference Figure 2-Figure 4The cam 306 is a spring loaded spring which is used to hold the cam 306 in place and is preferably used to hold the cam 306 in place. The outer wall of the support block 305 is slidably connected to the inner wall of the movable plate 302 by the elasticity of the reset spring 306, and the support block 305 has a reset function. The outer walls of the fixed block 307 and the limit block 308 are in contact with the inclined surface of the movable plate 302. When the movable plate 302 moves to the left end, it will first contact the fixed block 307, so that the movable plate 304 opens a certain distance, and the movable plate 302 continues to move to the left until the right end of the movable plate 302 contacts the limit block 308. At this time, the movable plate 304 opens to the maximum distance, causing the PCB plate to fall. The length of the limit block 308 is longer than that of the fixed block 307. The length setting makes the left end opening smaller than the right end opening. The shape of the movable plate 302 is set to a trapezoid. The trapezoidal setting is convenient for opening the two groups of movable plates 304. The left end of the support block 305 is provided with an inclined surface, and the inclined surface setting is convenient for the support block 305 to contact and squeeze the PCB plate.

[0040] Reference Figure 1 The supporting mechanism 5 includes a connecting block 501, the right end of which is fixedly connected to the left end of the supporting foot 6, and the connecting block 501 is supported by the supporting foot 6. The inner wall of the connecting block 501 is threadedly connected with a threaded rod 503, and the bottom end of the threaded rod 503 is fixedly connected with a supporting column 502. The supporting column 502 is driven to move up and down by the rotation of the threaded rod 503, and the threaded rod 503 is self-locking. The supporting foot 6 and the bottom end of the body 1 are fixedly connected with a universal wheel 504, and the setting of the universal wheel 504 facilitates the movement of the body 1.

[0041] Working principle: When the relevant personnel need to mount the PCB board, first plug the storage box 4 onto the support table 2, and then start the cylinder 301, so that the cylinder 301 drives the movable plate 302 to move. When the movable plate 302 moves to the left end, the inclined surface of the support block 305 contacts the right end of the PCB board, and the movable plate 302 will continue to move to the left end, thereby causing the support block 305 to move downward. At the same time, the inclined surface at the left end will contact and squeeze the fixed block 307 first, so that the movable plate 304 drives the fixed block 307 and the limit block 304 to move. The positioning block 308 opens, causing the PCB to fall and then fall onto the moving plate 302. When the PCB falls, the support block 305 is reset by the reset spring 306, and then the cylinder 301 moves to the right, thereby driving the bottom PCB to move to the right. When the left end of the moving plate 302 does not contact the limiting block 308 at the left end, the limiting block 308 will move closer to the middle to support the PCB. This operation can achieve the purpose of automatically replenishing the PCB.

[0042] When the entire body 1 needs to be moved, the threaded rod 503 is rotated in the opposite direction so that the threaded rod 503 drives the support column 502 to move upward, thereby releasing the contact between the bottom of the support column 502 and the ground, and then the body 1 can be moved. When it moves to the specified position, the threaded rod 503 is then rotated so that the bottom of the support column 502 contacts the ground, thereby making the entire body 1 more stable.

[0043] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A PCB automatic loading machine for an SMT production line, comprising a machine body (1), characterized in that: The left end of the machine body (1) is fixedly connected to a support platform (2), the top end of the support platform (2) is plugged with a storage box (4), and the left end of the support platform (2) is provided with an automatic replenishment mechanism (3); The automatic replenishing mechanism (3) comprises a cylinder (301), the bottom end of the cylinder (301) is fixedly connected to the left end of the support platform (2), the right end of the cylinder (301) is fixedly connected to a movable plate (302), the inner wall of the storage box (4) is elastically connected to a movable plate (304) via a connecting spring (303), the front end of the movable plate (304) is respectively fixedly connected to a fixed block (307) and a limit block (308), the inner wall of the movable plate (302) is elastically connected to a support block (305) via a return spring (306), the front end of the body (1) is fixedly connected to a support foot (6), and the left end of the support foot (6) is provided with a support mechanism (5).

2. The automatic PCB board loading machine for an SMT production line according to claim 1, characterized in that: One end of the connecting spring (303) is fixedly connected to the outer wall of the movable plate (304), and the other end of the connecting spring (303) is fixedly connected to the inner wall of the storage box (4). The outer wall of the movable plate (304) is slidably connected to the inner wall of the storage box (4).

3. The automatic PCB board loading machine for an SMT production line according to claim 1, characterized in that: The top end of the movable plate (302) and the movable plate (304) are located at the same horizontal plane.

4. The automatic PCB board loading machine for an SMT production line according to claim 1, characterized in that: The limiting blocks (308) are provided in two groups, and the fixing block (307) is provided in one group, and the two groups of limiting blocks (308) are located on the left end of the fixing block (307).

5. The automatic PCB board loading machine for SMT production line according to claim 1, characterized in that: One end of the return spring (306) is fixedly connected to the bottom end of the support block (305), and the other end of the return spring (306) is fixedly connected to the inner wall of the moving plate (302).

6. The automatic PCB board loading machine for an SMT production line according to claim 1, characterized in that: The outer wall of the support block (305) is slidably connected to the inner wall of the moving plate (302).

7. The automatic PCB board loading machine for SMT production line according to claim 1, characterized in that: The outer walls of the fixed block (307) and the limiting block (308) are in contact with the inclined surface of the movable plate (302), and the length of the limiting block (308) is longer than that of the fixed block (307).

8. The automatic PCB board loading machine for SMT production line according to claim 1, characterized in that: The shape of the movable plate (302) is set to be a trapezoid, and the left end of the supporting block (305) is provided with an inclined surface.

9. The automatic PCB board loading machine for an SMT production line according to claim 1, characterized in that: The support mechanism (5) comprises a connection block (501), the right end of the connection block (501) is fixedly connected to the left end of the support foot (6), the inner wall of the connection block (501) is threadedly connected to a threaded rod (503), and the bottom end of the threaded rod (503) is fixedly connected to a support column (502).

10. The automatic PCB board loading machine for SMT production line according to claim 9, characterized in that: The bottom ends of the supporting legs (6) and the machine body (1) are both fixedly connected with universal wheels (504).

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