Automatic turnover machine

Abstract

The utility model provides an automatic turnover machine. Comprising a speed chain track, a lifting device arranged above the speed chain track, a clamping jaw mechanism arranged at the output end of the lifting device, an upper jig and a lower jig which are arranged on the speed chain track, a jacking mechanism arranged below the lower jig, a bolt mechanism arranged at the output end of the clamping jaw mechanism and a turnover mechanism. The side face of the upper jig and the side face of the lower jig are provided with through holes, the plug pin mechanism comprises plug pins matched with the through holes, the plug pins are inserted into the through holes, and the upper jig and the lower jig are overturned through the overturning mechanism. According to the automatic turnover machine, UV three-proofing paint spraying of a PCB is comprehensive, the production efficiency is effectively improved, manpower is saved, and meanwhile harm of the UV three-proofing paint to the human body is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic turnover machine technical field, especially in automatic turnover machine. BACKGROUND

[0002] The UV three-proof paint has good high and low temperature resistance, and a transparent protective film is formed after curing, which has good moisture-proof, mildew-proof, salt mist-proof, anti-creeping, dust-proof, corrosion-proof and anti-aging properties; the UV three-proof paint can be used in variable environments, protect the circuit board from damage, increase the safety factor and ensure the service life; however, volatile organic compounds (VOCS) are often contained in the UV three-proof paint, which are released into the air during spraying and drying, and long-term inhalation of these harmful gases may cause respiratory irritation and symptoms such as coughing and wheezing; direct contact with the skin may cause skin redness, swelling, itching and other allergic reactions.

[0003] After the PCB board is inserted, the element surface and the solder surface are sprayed with UV three-proof paint, the element surface and the solder surface of the PCB board are sprayed with three-proof paint, manual operation is dangerous and low in efficiency, the previous turnover mechanism has certain defects in use, increases the manual position operation time, is complicated in action, and has the problem that the PCB board is not fully sprayed with UV three-proof paint; the whole process efficiency is reduced, and the labor intensity of personnel is increased; therefore, an automatic turnover machine is urgently needed to solve the above problems. SUMMARY

[0004] In view of the defects in the prior art, the utility model provides an automatic turnover machine, which comprises: a multiple-speed chain track, a lifting device arranged above the multiple-speed chain track, a clamping jaw mechanism arranged at the output end of the lifting device, an upper jig and a lower jig arranged on the multiple-speed chain track, a jacking mechanism arranged below the lower jig, a latch mechanism arranged at the output end of the clamping jaw mechanism, and a turnover mechanism; the jacking mechanism is used for jacking the PCB board on the lower jig, and the upper jig and the lower jig are used for fixing the PCB board.

[0005] The upper jig and the lower jig are provided with through holes in the side surfaces, the latch mechanism comprises a latch matched with the through holes, the latch is inserted into the through holes, and the turnover mechanism turns over the upper jig and the lower jig.

[0006] In one embodiment, the clamping jaw mechanism comprises a double-head cylinder arranged at the output end of the lifting device, a first clamping jaw and a second clamping jaw connected with the two piston rods of the double-head cylinder.

[0007] In one embodiment, the latch mechanism comprises a guide sleeve arranged on the clamping jaw mechanism, a telescopic cylinder arranged in the guide sleeve at one end of a piston rod, a latch arranged at one end of the piston rod, and a proximity switch located at the other end of the piston rod.

[0008] In one of the embodiments, the turnover mechanism comprises a first sprocket connected with the piston rod, a turnover motor arranged on the jaw mechanism, a second sprocket arranged at the output end of the turnover motor, and a transmission chain connecting the first sprocket and the second sprocket.

[0009] In one of the embodiments, the side surface of the upper fixture and the lower fixture is respectively provided with two through holes, the bolt is four bolts arranged at one end of the piston rod of the telescopic cylinder and matched with the through holes, and the turnover mechanism can simultaneously turn over the upper fixture and the lower fixture.

[0010] In one of the embodiments, the jacking mechanism comprises a jacking cylinder arranged below the lower fixture and a jacking guide assembly arranged at one side of the jacking cylinder.

[0011] In one of the embodiments, the lifting device comprises a lifting bracket and a lifting cylinder arranged on the lifting bracket.

[0012] Advantages:

[0013] The automatic turnover machine comprises a speed-increasing chain track, a lifting device, a jaw mechanism, an upper fixture and a lower fixture, a jacking mechanism, a bolt mechanism and a turnover mechanism. The lifting device is used for lifting the upper fixture, the lower fixture loaded with a PCB board is conveyed to the lower side of the upper fixture through the speed-increasing chain track, the jacking device jacks up the PCB board from the lower fixture, the lifting device lowers the upper fixture, the upper fixture and the lower fixture clamp and fix the PCB board, the bolt mechanism is inserted into the through holes of the upper fixture and the lower fixture, and the turnover mechanism turns over the PCB board clamped by the upper fixture and the lower fixture, so that the automatic turnover of the PCB board is realized, and the element surface and the soldering surface of the PCB board are conveniently sprayed with UV three-proof paint.

[0014] The automatic turnover machine of the utility model is full of PCB board UV three-proof paint spraying, effectively improves production efficiency, saves manpower, and reduces the harm of UV three-proof paint to human body. DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a three-dimensional structure schematic view of the utility model; Figure 1 It is a partial structure schematic view of the embodiment of the utility model;

[0017] Figure 3 It is a structure schematic view of the bolt mechanism;

[0018] Wherein, 10, times speed chain track; 20, lifting device; 21, lifting support; 22, lifting cylinder; 30, clamping jaw mechanism; 31, double head cylinder; 32, first clamping jaw; 33, second clamping jaw; 34, clamping jaw guide assembly; 40, upper jig; 50, lower jig; 60, jacking mechanism; 70, latch mechanism; 71, through hole; 72, latch; 73, guide sleeve; 74, telescopic cylinder; 75, proximity switch; 80, turnover mechanism. DETAILED DESCRIPTION

[0019] The utility model will be explained in detail below in combination with specific embodiments. The following embodiments will help the person skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the utility model, a number of variations and improvements can be made. These all belong to the protection scope of the utility model.

[0020] REFERENCE Figures 1 to 3

[0021] The utility model provides a kind of automatic turnover machine, comprising: times speed chain track 10, lifting device 20 being set in times speed chain track 10 upper, clamping jaw mechanism 30 being set in the output end of lifting device 20, upper jig 40 and lower jig 50 being set in times speed chain track 10, jacking mechanism 60 being set in the lower side of the lower jig 50, latch mechanism 70 being set in the output end of clamping jaw mechanism 30 and turnover mechanism 80;The jacking mechanism 60 is used to eject the PCB board on lower jig 50, and the upper jig 40 and lower jig 50 are fixed clamping jaw;Upper jig 40 and lower jig 50 are provided with through hole 71 in side, and the latch mechanism 70 includes latch 72 matched with the through hole 71, the latch 72 is inserted into the through hole 71, and the turnover mechanism 80 overturns upper jig 40 and lower jig 50.The lifting device 20 is used for the lifting of upper jig 40, and the lifting of upper jig 40 is cooperated with lower jig 50, to realize the clamping fixation of PCB board.Lower jig 50 loads PCB board and is conveyed to the lower side of upper jig 40 by times speed chain track 10, and the jacking device ejects the PCB board from lower jig 50, and the lifting device 20 lowers the upper jig 40, and upper jig 40 and lower jig 50 are clamped PCB board fixed, the latch mechanism 70 is inserted into the through hole 71 of upper jig 40 and lower jig 50, and the turnover mechanism 80 overturns the clamping PCB board of upper jig 40 and lower jig 50, to realize the automatic turnover of PCB board, and it is convenient for the element face and soldering tin face of PCB board to be sprayed UV three-proof paint.

[0022] In one embodiment, the gripper mechanism 30 includes a double-headed cylinder 31 disposed at the output end of the lifting device 20, a first gripper 32 and a second gripper 33 connected to the two piston rods of the double-headed cylinder 31, and gripper guide assemblies 34 disposed on both sides of the double-headed cylinder 31 for guiding the piston rods of the double-headed cylinder 31. The double-headed cylinder 31 drives the first gripper 32 and the second gripper 33 to move closer or further apart.

[0023] In one embodiment, the pin mechanism 70 includes a guide sleeve 73 disposed on the gripper mechanism 30, a telescopic cylinder 74 with one end of the piston rod disposed in the guide sleeve 73, a pin 72 disposed at one end of the piston rod, and a proximity switch 75 located at the other end of the piston rod. The telescopic cylinder 74 drives the pin 72 to be inserted into the through hole 71 along the guide sleeve 73, thereby realizing the gripping and releasing of the gripper mechanism 30 with the upper fixture 40 and the lower fixture 50.

[0024] In one embodiment, the flipping mechanism 80 includes a first sprocket connected to the piston rod, a flipping motor mounted on the gripper mechanism 30, a second sprocket mounted at the output end of the flipping motor, and a transmission chain connecting the first sprocket and the second sprocket. The piston rod has a slotted hole, and the first sprocket is connected to the piston rod via a locking block disposed within the slotted hole.

[0025] In one embodiment, the upper fixture 40 and the lower fixture 50 are respectively provided with two through holes 71 on their sides, and the pins 72 are four pins 72 that are adapted to the through holes 71 and are provided at one end of the piston rod of the telescopic cylinder 74. The flipping mechanism 80 can flip the upper fixture 40 and the lower fixture at the same time.

[0026] In one embodiment, the lifting mechanism 60 includes a lifting cylinder disposed below the lower fixture 50 and a lifting guide assembly disposed on one side of the lifting cylinder. The lifting guide assembly is used to guide the lifting cylinder in lifting the PCB board.

[0027] In one embodiment, the lifting device 20 includes a lifting bracket 21 and a lifting cylinder 22 disposed on the lifting bracket 21, the lifting cylinder 22 driving the gripper mechanism 30 to rise and fall.

[0028] Beneficial effects:

[0029] This utility model discloses an automatic flipping machine that provides comprehensive UV conformal coating for PCB boards, effectively improving production efficiency, saving manpower, and reducing the harm of UV conformal coating to the human body.

[0030] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0031] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0032] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] The above is the further detailed description of the utility model in combination with specific embodiments, and the specific implementation of the utility model cannot be limited to these descriptions. For ordinary skilled in the art to which the utility model belongs, on the premise of not departing from the concept of the utility model, a number of simple deductions or substitutions can be made.

Claims

1. An automatic flipping machine, characterized in that, The device comprises a speed chain track, a lifting device arranged above the speed chain track, a gripper mechanism arranged at the output end of the lifting device, an upper jig and a lower jig arranged on the speed chain track, a jacking mechanism arranged below the lower jig, a latch mechanism arranged at the output end of the gripper mechanism, and a turnover mechanism; the jacking mechanism is used to jack up the PCB board on the lower jig, and the upper jig and the lower jig fix the PCB board with the gripper; The side surface of the upper jig and the lower jig is provided with a through hole, the latch mechanism comprises a latch matched with the through hole, the latch is inserted into the through hole, and the turnover mechanism turns over the upper jig and the lower jig. The gripper mechanism comprises a double-head air cylinder arranged at the output end of the lifting device, a first gripper and a second gripper connected with the two piston rods of the double-head air cylinder.

2. The automatic turnover machine according to claim 1, characterized in that, The latch mechanism comprises a guide sleeve arranged on the gripper mechanism, a telescopic air cylinder with one end of the piston rod arranged in the guide sleeve, a latch arranged at one end of the piston rod, and a proximity switch located at the other end of the piston rod.

3. The automatic turnover machine according to claim 1, characterized in that, The turnover mechanism comprises a first sprocket connected with the piston rod, a turnover motor arranged on the gripper mechanism, a second sprocket arranged at the output end of the turnover motor, and a transmission chain connecting the first sprocket and the second sprocket.

4. The automatic turnover machine according to claim 3, characterized in that, The side surface of the upper jig and the lower jig is provided with two through holes respectively, the latch is four latches arranged at one end of the piston rod of the telescopic air cylinder and matched with the through holes, and the turnover mechanism can turn over the upper jig and the lower jig at the same time.

5. The automatic turnover machine according to claim 4, characterized in that, The jacking mechanism comprises a jacking air cylinder arranged below the lower jig and a jacking guide assembly arranged on one side of the jacking air cylinder.

6. The automatic turnover machine according to claim 1, characterized in that, The lifting device comprises a lifting support and a lifting air cylinder arranged on the lifting support.

7. The automatic turnover machine according to claim 1, characterized in that, ​

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