Circuit board substrate intermittent feeding mechanism

Abstract

The utility model discloses a circuit board substrate intermittent feeding mechanism which comprises a workbench, a base, a board storage bin, a pressing wheel, a first electric push rod, a cushion block, a guide rod, a second electric push rod, a first connecting rod, a connecting plate, a spring, a second connecting rod, a supporting plate and a plugging piece. The first electric push rod is fixedly installed at the right end of the workbench through a support, the cushion block is fixedly installed on the top of the workbench, and the plate storage bin is fixedly installed on the cushion block. According to the mechanism, a circuit board substrate is pressed downwards through a pressing plate of a third electric push rod, intermittent feeding of the circuit board substrate is achieved in cooperation with the rotation mode of a pressing wheel, the circuit board substrate can be prevented from falling off and being damaged in the mode that a supporting plate moves upwards to receive materials, and the working efficiency is improved through the mode that a spring is pressed downwards through a connecting plate to enable the supporting plate to be embedded into a clamping groove in the table top of the workbench. The first connecting rod, the connecting plate and the second connecting rod can be prevented from being stretched and damaged due to excessive retraction of the execution rod of the second electric push rod, and the service life is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit boards, in particular to an intermittent feeding mechanism for a circuit board substrate. Background Art

[0002] After the circuit board substrate is cut, it is subjected to processing techniques such as grinding, drilling through holes, and drilling buried holes. In order to reduce the space occupied, the cut circuit board substrates are stacked and placed, and after the above processing, they are stacked and placed in the board storage bin of the loading mechanism. The loading mechanism gradually loads the circuit board substrates in the board storage bin to the workbench for processing. The existing method of controlling the intermittent one-by-one dropping loading of circuit board substrates is controlled by clamping with two cylinders or two electric push rods. The stroke accuracy of the cylinders or electric push rods is required to be high, otherwise the circuit board substrates are easily squeezed, deformed, and damaged. At the same time, the response speed of the cylinders or electric push rods is required to be high. After controlling the drop of a circuit board substrate on the bottom layer, the clamping position of the circuit board substrate on the upper layer needs to be reset immediately. The clamping control method of the cylinder or electric push rod reduces the reliability after long-term use. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to provide an intermittent feeding mechanism for a circuit board substrate with high reliability.

[0004] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: an intermittent feeding mechanism for circuit board substrates, comprising a workbench, a base, a board storage bin, a pressure wheel, a first electric push rod, a cushion block, a guide rod, a second electric push rod, a first connecting rod, a connecting plate, a spring, a second connecting rod, a support plate and a blocking piece, the workbench is fixedly mounted on the base, the first electric push rod is fixedly mounted on the right end of the workbench through a bracket, a push plate is fixedly mounted on the executive rod of the first electric push rod, the cushion block is fixedly mounted on the top of the workbench, the board storage bin is fixedly mounted on the cushion block, grooves are provided on both sides of the bottom inner wall of the board storage bin, the pressure wheel is rotatably mounted in the groove through a rotating shaft, a servo motor is also fixedly mounted on the board storage bin, the output shaft of the servo motor is transmission-connected to the rotating shaft of the pressure wheel, and the outer edge of the pressure wheel exceeds the storage bin The inner wall of the plate bin is 0.5-1mm, and the second electric push rod is fixedly mounted on the base through a push rod seat, and the guide rod and the second connecting rod are both slidably mounted on the table top of the workbench, and the support plate is fixedly mounted on the guide rod and the top of the second connecting rod, and a card slot matching the support plate is provided on the table top of the workbench, and the first connecting rod is fixedly connected to the executive rod of the second electric push rod, and the connecting plate is fixedly mounted on the top of the first connecting rod, and the second connecting rod is provided with a guide groove, and the blocking piece is fixedly mounted on the bottom of the second connecting rod, and the connecting plate is slidably mounted in the guide groove, and the first connecting rod is slidably mounted in the blocking piece, and the spring is sleeved on the first connecting rod, and both ends of the spring can act on the connecting plate and the blocking piece. A third electric push rod is fixedly mounted on the bottom of the plate storage bin, and a pressure plate is fixedly mounted on the executive rod of the third electric push rod.

[0005] Furthermore, a guide sleeve is provided at the bottom of the workbench, and four guide rods distributed in a rectangular shape are slidably installed in the guide sleeve.

[0006] Furthermore, a rubber sleeve is fixedly mounted on the pressure wheel.

[0007] Compared with the prior art, the benefits of the present invention are as follows: this mechanism presses down the circuit board substrate through the pressure plate of the third electric push rod, and realizes intermittent loading of the circuit board substrate in conjunction with the rotation of the pressure wheel. The method of transferring the material on the pallet can prevent the circuit board substrate from falling and being damaged. The method of pressing down the spring of the connecting plate to make the pallet embedded in the slot of the workbench table surface can prevent the actuator rod of the second electric push rod from retracting excessively, causing the first connecting rod, connecting plate and second connecting rod to be stretched and damaged, thereby extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The present invention will be further described below with reference to the accompanying drawings.

[0009] Figure 1 It is a structural diagram of the present utility model.

[0010] Figure 2 yes Figure 1 Schematic diagram of the enlarged structure at M.

[0011] Figure 3 yes Figure 1 Schematic diagram of the enlarged structure at N. DETAILED DESCRIPTION

[0012] The present invention is described in detail below in conjunction with specific embodiments:

[0013] like Figures 1 to 3 The intermittent feeding mechanism of a circuit board substrate shown in the figure includes a workbench 1, a base 11, a board storage bin 2, a pressure wheel 22, a first electric push rod 31, a cushion block 4, a guide rod 5, a second electric push rod 6, a first connecting rod 8, a connecting plate 81, a spring 82, a second connecting rod 9, a supporting plate 90 and a blocking member 92. The workbench 1 is fixedly mounted on the base 11, the first electric push rod 31 is fixedly mounted on the right end of the workbench 1 through the bracket 3, and a push plate 32 is fixedly mounted on the execution rod of the first electric push rod 31. The cushion block 4 is fixedly mounted on the top of the workbench 1, the board storage bin 2 is fixedly mounted on the cushion block 4, grooves 21 are provided on both sides of the bottom of the inner wall of the board storage bin 2, and the pressure wheel 22 is rotatably mounted in the groove 21 through a rotating shaft. A servo motor is also fixedly mounted on the board storage bin 2, and the output shaft of the servo motor is transmission-connected to the rotating shaft of the pressure wheel 22. The outer edge of the pressure wheel 22 protrudes from the inner wall of the board storage bin 2 by 0.8 mm. The second electric push rod 6 is fixedly mounted on the base 11 through the push rod seat 7, and the guide rod 5 and the second connecting rod 9 are both slidably mounted on the table top of the workbench 1, and the support plate 90 is fixedly mounted on the guide rod 5 and the top of the second connecting rod 9. A card slot 12 matching with the support plate 90 is provided on the table top of the workbench 1, and the first connecting rod 8 is fixedly connected to the actuator rod of the second electric push rod 6. The connecting plate 81 is fixedly mounted on the top of the first connecting rod 8, and the second connecting rod 9 is provided with a guide groove 91. The blocking piece 92 is fixedly mounted on the bottom of the second connecting rod 9, and the connecting plate 81 is slidably mounted in the guide groove 91. The first connecting rod 8 is slidably mounted in the blocking piece 92. The spring 82 is sleeved and mounted on the first connecting rod 8, and the two ends of the spring 82 can act on the connecting plate 81 and the blocking piece 92. A third electric push rod 20 is fixedly mounted on the bottom of the storage plate bin 2, and a pressure plate is fixedly mounted on the actuator rod of the third electric push rod 20.

[0014] A guide sleeve 51 is provided at the bottom of the workbench 1, and four guide rods 5 distributed in a rectangular shape are slidably installed in the guide sleeve 51. The guide sleeve 51 extends the guiding effect on the guide rods 5 and improves the straightness of the guide rods 5 when moving up and down.

[0015] The rubber sleeve 23 is fixedly sleeved on the pressing wheel 22, and the wall thickness of the rubber sleeve 23 is 1-2 mm, that is, the rubber sleeve 23 exceeds the inner wall of the storage plate bin 2 by 1.5-3 mm. The rubber sleeve 23 has a compressible property and can increase the friction between the circuit board substrate 10 and the rubber sleeve 23, thereby limiting and blocking the circuit board substrate 10.

[0016] The circuit board substrate 10 is stacked in the storage plate bin 2. When the third electric push rod 20 is installed, the third electric push rod 20 always presses the circuit board substrate 10 with the pressing plate on the rod. When the circuit board substrate 10 is in contact with the protruding pressing wheel 22 and the rubber sleeve 23, the circuit board substrate 10 is supported and limited. The execution rod of the second electric push rod 6 is started to drive the combination of the first connecting rod 8 and the connecting plate 81 to move upward. The connecting plate 81 drives the combination of the second connecting rod 9 and the supporting plate 90 to move upward to receive the material. The third electric push rod 20 is started to drive the pressing plate to move downward by a distance of the thickness of one circuit board substrate 10. At the same time, the servo motor is started to drive the pressing wheel 22 to rotate. The lowermost one circuit board substrate 10 falls onto the supporting plate 90 under the action of the rotating pressing wheel 22. The servo motor stops rotating. The upper circuit board substrate 10 falls onto the protruding pressing wheel 22 and the rubber sleeve 23, which supports and limits the circuit board substrate 10. The execution rod of the second electric push rod 6, that is, the first connecting rod 8 and the connecting plate 81, is retracted downward to reset. The connecting plate 81 compresses the spring 82 to drive the combination of the second connecting rod 9 and the supporting plate 90 to move downward to reset. The supporting plate 90 is embedded in the clamping groove 12 of the workbench 1 table top. At this time, the top surface of the supporting plate 90 is flush with the table top of the workbench 1. The execution rod of the first electric push rod 31 is extended to push the circuit board substrate 10 on the supporting plate 90 through the push plate 32 to realize feeding. Since the circuit board substrate 10 is always supported and limited by the protruding pressing wheel 22 and the rubber sleeve 23, the circuit board substrate 10 has the advantages of high reliability and high reliability. The rubber sleeve 23 protruding outward by 1.5-3 mm will not cause the circuit board substrate 10 to be squeezed and deformed.

Claims

1. A circuit board substrate intermittent feeding mechanism, characterized by: The invention comprises a workbench (1), a base (11), a plate storage bin (2), a pressure wheel (22), a first electric push rod (31), a cushion block (4), a guide rod (5), a second electric push rod (6), a first connecting rod (8), a connecting plate (81), a spring (82), a second connecting rod (9), a support plate (90) and a blocking member (92), wherein the workbench (1) is fixedly mounted on the base (11), the first electric push rod (31) is fixedly mounted on the right end of the workbench (1) through a bracket (3), and the actuator rod of the first electric push rod (31) is fixedly mounted on the actuator rod. A push plate (32) is installed, the cushion block (4) is fixedly installed on the top of the workbench (1), the board storage bin (2) is fixedly installed on the cushion block (4), grooves (21) are provided on both sides of the bottom of the inner wall of the board storage bin (2), the pressure wheel (22) is rotatably installed in the groove (21) through the rotating shaft, and a servo motor is also fixedly installed on the board storage bin (2), the output shaft of the servo motor is connected to the rotating shaft of the pressure wheel (22), the outer edge of the pressure wheel (22) exceeds the inner wall of the board storage bin (2) by 0.5-1mm, and the second electric push plate (32) is fixedly installed on the board storage bin (2). The rod (6) is fixedly mounted on the base (11) through the push rod seat (7), the guide rod (5) and the second connecting rod (9) are both slidably mounted on the table top of the workbench (1), the support plate (90) is fixedly mounted on the top of the guide rod (5) and the second connecting rod (9), and a slot (12) matching the support plate (90) is provided on the table top of the workbench (1), the first connecting rod (8) is fixedly connected to the execution rod of the second electric push rod (6), the connecting plate (81) is fixedly mounted on the top of the first connecting rod (8), and the second connecting rod (9) is provided. A guide groove (91) is provided, the blocking member (92) is fixedly mounted on the bottom of the second connecting rod (9), the connecting plate (81) is slidably mounted in the guide groove (91), the first connecting rod (8) is slidably mounted in the blocking member (92), the spring (82) is sleeved and mounted on the first connecting rod (8), and both ends of the spring (82) can act on the connecting plate (81) and the blocking member (92), a third electric push rod (20) is fixedly mounted on the bottom of the storage plate bin (2), and a pressure plate is fixedly mounted on the actuator rod of the third electric push rod (20).

2. The intermittent feeding mechanism for circuit board substrates according to claim 1, characterized in that: A guide sleeve (51) is provided at the bottom of the workbench (1), and four guide rods (5) distributed in a rectangular shape are slidably installed in the guide sleeve (51).

3. The intermittent feeding mechanism for circuit board substrates according to claim 1, characterized in that: A rubber sleeve (23) is fixedly sleeved and mounted on the pressing wheel (22).

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