CN113752006B - Screw tightening integrated machine and screw tightening method - Google Patents
Screw tightening integrated machine and screw tightening method Download PDFInfo
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- CN113752006B CN113752006B CN202111150825.8A CN202111150825A CN113752006B CN 113752006 B CN113752006 B CN 113752006B CN 202111150825 A CN202111150825 A CN 202111150825A CN 113752006 B CN113752006 B CN 113752006B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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Abstract
The invention provides a screw tightening integrated machine and a screw tightening method, and the technical scheme is that the screw tightening integrated machine comprises a supporting platform, a screw screening device, a screw conveying device, a screw positioning device, a screw tightening device, a tightening driving device, a screw detecting device and an auxiliary air blowing device, wherein the screw positioning device, the screw tightening device and the tightening driving device are arranged on the supporting platform, the screw screening device is used for screening screws, the screw conveying device is used for conveying the screws to the screw positioning device, the screw positioning device is used for fixing the screws, the screw tightening device is used for adsorbing the screws and rotatably tightening the screws on a workpiece to be installed, and the tightening driving device is used for driving the screw tightening device to move linearly. This structure is applicable in the screw of horizontal installation or perpendicular installation, and the suitability is higher, also can be applicable to the installation demand of the bigger screw of weight, and in addition, the installation effectiveness of screw is high, and the installation quality of screw also obtains guaranteeing.
Description
Technical Field
The invention relates to the technical field of screw tightening, in particular to a screw tightening integrated machine and a screw tightening method.
Background
In the production line, the part equipment often needs to be connected fixedly with the help of the screw, and the mode of present common installation screw is mostly artifical manual installation, screws up behind the handheld electronic batch head absorption screw of operator, and such production method consumes the manpower, and production efficiency is lower moreover. Therefore, an automatic screw tightening device appears, and in chinese application No. CN202023016590.7, a three-axis synchronous tightening device is disclosed, which can automatically suck and then tighten a screw, but only can satisfy the tightening requirement under the condition that the screw is perpendicular to the ground, and when the screw is parallel to the ground, the screw cannot be tightened.
Disclosure of Invention
The invention aims to provide a screw tightening all-in-one machine which is high in applicability and can meet different requirements.
Another object of the present invention is to provide a screw tightening method with high screw installation efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
a screw tightening integrated machine comprises a supporting platform, a screw screening device, a screw conveying device, a screw positioning device, a screw tightening device, a tightening driving device, a screw detecting device and an auxiliary air blowing device, wherein the screw positioning device, the screw tightening device and the tightening driving device are arranged on the supporting platform, the screw screening device is used for screening screws, the screw conveying device is connected between the screw screening device and the screw positioning device and used for conveying the screws to the screw positioning device, the screw positioning device is used for clamping and fixing the screws, the screw tightening device is movably connected onto the supporting platform and used for adsorbing the screws and rotatably tightening the screws on a workpiece to be installed, and the tightening driving device is used for driving the screw tightening device to linearly move relative to the supporting platform, screw positioner includes fixed block and two clamp splices, the fixed block with supporting platform connects, two clamp splice movably connect in on the fixed block, two form the locating hole that can supply the screw to pass jointly on the clamp splice, the last positioning drive device that is equipped with of supporting platform, positioning drive device is used for ordering about two clamp splices and presss from both sides each other or alternate segregation, supplementary gas blowing device connects on the fixed block and is used for blowing in the screw extremely fix a position in the locating hole, screw detection device is used for detecting the position of screw after the screw penetrates the locating hole.
Further setting: the conveying device comprises a conveying pipe, a supporting plate is arranged on the supporting platform, the fixing block is connected with the supporting plate, one end of the conveying pipe is connected with the screw screening device, and the other end of the conveying pipe is connected with the supporting plate.
Further setting: the screw conveying device is characterized in that a screw conveying block is arranged on the supporting plate, the screw conveying block can be opposite to the supporting plate and can be turned over up and down, a through hole is formed in the screw conveying block in a penetrating mode, the through hole is communicated with the conveying pipe and is used for allowing screws to pass through, the auxiliary air blowing device is used for blowing screws falling from the through hole into the positioning hole, and an overturning driving piece capable of driving the screw conveying block to turn over up and down relative to the supporting plate is connected to the screw conveying block.
Further setting: the turnover driving piece drives a cylinder for turnover, the turnover drives the cylinder to be connected with in the supporting plate, the screw conveying block is connected with a connecting seat, the end part of an output rod of the turnover driving cylinder is connected with a hinged joint, the hinged joint is connected with the connecting seat, and the connecting seat is provided with a sliding hole for the hinged joint to slide.
Further setting: one end of each clamping block can be horizontally and rotatably connected to the fixing block, and the positioning driving device is used for driving the two clamping blocks to rotate and separate or rotate and clamp each other.
Further setting: the positioning driving device is used for driving the driving cylinder in a positioning mode, the end portion of an output rod of the positioning driving cylinder is connected with a driving block, the driving block is connected to the position below the clamping block and provided with two guide holes, the two clamping blocks are correspondingly connected with connecting pieces which can penetrate through the guide holes and slide along the guide holes respectively, and the driving block can drive the two clamping blocks to be mutually separated or mutually clamped under the driving of the positioning driving cylinder.
Further setting: the screw up drive arrangement drives actuating cylinder and screws up and drive actuating cylinder including adsorbing, adsorb and drive actuating cylinder and be fixed in on the supporting platform, be connected with the mount pad on the supporting platform slidable, screw up the device and be fixed in on the mount pad, screw up drive actuating cylinder install in on the mount pad, screw up drive actuating cylinder with adsorb the output pole interconnect who drives actuating cylinder, it drives actuating cylinder and is used for ordering about screw up the device removal and adsorbs the screw to adsorb, it drives actuating cylinder and is used for ordering about screw up the device when screw up the device and order about screw rotation and advance to screw up the device.
Further setting: the supporting platform comprises a fixed platform, a first movable platform and a second movable platform, a first movable track capable of allowing the first movable platform to slide is arranged on the fixed platform, a second movable track capable of allowing the second movable platform to slide is arranged on the first movable platform, the first movable track and the second movable track are perpendicular to each other, the screw tightening device is slidably connected onto the second movable platform, and the screw positioning device is fixed onto the second movable platform.
Further setting: the clamping block is provided with a floating clamping piece on the inner wall of the positioning hole, and the floating clamping piece is used for clamping the screw in a floating mode.
The invention also provides a screw tightening method, and the screw tightening all-in-one machine comprises the following steps:
screening the screws by a screw screening device;
conveying the screened screws to a screw positioning device by using a screw conveying device;
blowing the screws transferred to the screw positioning device into positioning holes of the screw positioning device by means of an auxiliary blowing device;
starting a screw detection device to detect the position of a screw, and sending a detection signal to a control center when detecting that the screw is positioned at a specified position;
the control center sends an indication signal to the screwing driving device after acquiring the detection signal, and the screwing driving device drives the screw screwing device to move to the position of the screw and then adsorbs the screw;
the clamping blocks are driven to be separated from each other and separated from the screws by the aid of the positioning driving device;
the screw tightening device is driven to advance by the screw tightening driving device, and the screw is driven to rotate and tighten by the screw tightening device to the workpiece to be installed.
Compared with the prior art, the scheme of the invention has the following advantages:
1. In the screw tightening integrated machine, after the screws are screened by the screw screening device, then the screw is conveyed to the screw positioning device by the screw conveying device, the screw is positioned by the positioning hole formed by the two clamping blocks, the position of the screw is detected by the screw detecting device, when the screw is detected to be in place, the screw tightening device is driven by the screw tightening driving device to advance to adsorb the screw, the clamping blocks are separated by the positioning driving device, the screw tightening device is driven by the screw tightening driving device to advance, meanwhile, the screw tightening device drives the screw to rotate and tighten the screw on the workpiece to be installed, the structure is applicable to screws installed horizontally or vertically, the applicability is higher, the structure can be suitable for the installation requirement of screws with larger weight, the installation efficiency of the screws is high, and the installation quality of the screws is also guaranteed.
2. According to the screw tightening method, the screw is adsorbed and tightened after being positioned by the screw positioning device, so that the functions of screw positioning, adsorption and tightening installation are integrated, the installation efficiency of the screw is greatly improved, the screw positioning device is used for positioning the screw, the tightening requirements for placing the screw at various angles can be met, and the screw can be installed more accurately.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a screw tightening machine according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a screw positioning device according to an embodiment of the present invention;
FIG. 3 is an exploded view of a screw retaining device according to an embodiment of the present invention;
FIG. 4 is a schematic view of the screw tightening device and the screw tightening driving device according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a clamp block in an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
As shown in fig. 1 to 5, the invention provides a screw tightening all-in-one machine 1 for tightening screws 2 on a workpiece to be installed, which comprises a supporting platform 11, a screw screening device, a screw conveying device 12, a screw positioning device 13, a screw tightening device 14, a tightening driving device 15, a screw detecting device 16 and an auxiliary air blowing device 17. The screw positioning device 13, the screw tightening device 14 and the tightening driving device 15 are disposed on the supporting platform 11, the screw screening device is used for screening screws, the screw conveying device 12 is connected between the screw screening device and the screw positioning device 13 and is used for conveying screws 2 to the screw positioning device 13, the screw positioning device 13 is used for clamping and fixing the screws 2, the screw tightening device 14 is movably connected to the supporting platform 11, the screw tightening device 14 is used for absorbing the screws 2 and rotatably tightening the screws 2 on a workpiece to be installed, and the tightening driving device 15 is used for driving the screw tightening device 14 to move linearly relative to the supporting platform 11.
In this embodiment, the screw screening device is a vibrating disk 18, the screw conveying device 12 includes a conveying pipe 121, one end of the conveying pipe 121 is connected to an outlet of the vibrating disk 18, and the other end of the conveying pipe extends to the screw positioning device 13, and the screw conveying device 12 can utilize an air pressure pushing mode to convey screws 2 from the vibrating disk 18 to the screw positioning device 13 through the conveying pipe 121. In the embodiment, the screws 2 are screened by the vibrating disk 18, so that the screws 2 fall into the conveying pipe 121 in a manner that the screw heads are arranged on the upper screw sections and the screw sections are arranged on the lower screw sections, the consistency of the screws 2 reaching the screw positioning device 13 is ensured, and the smooth screwing process of the screws 2 is ensured.
In this embodiment, the screw positioning device 13 includes a fixed block 131 and two clamping blocks 132, the fixed block 131 is connected to the supporting platform 11, the two clamping blocks 132 are movably connected to the fixed block 131, two clamping blocks 132 together form a positioning hole 1321 through which the screw 2 can pass, a positioning driving device is disposed on the supporting platform 11, the positioning driving device is configured to drive the two clamping blocks 132 to be clamped or separated from each other, the auxiliary blowing device 17 is connected to the fixed block 131 and configured to blow the screw 2 into the positioning hole 1321 for positioning, the screw detecting device 16 is configured to detect the position of the screw 2 after the screw 2 penetrates into the positioning hole 1321, and preferably, the screw detecting device 16 employs a photoelectric detection switch. In the embodiment, the auxiliary air blowing device 17 is used for providing air pressure, when the screw 2 is conveyed into the fixed block 131, the air flow sent by the auxiliary air blowing device 17 forms a pushing force from back to front on the screw 2, and the screw 2 moves forwards under the action of the pushing force until the screw completely penetrates into the positioning hole 1321.
After the screws 2 are screened by the screw screening device, the screws 2 are conveyed to the screw positioning device 13 by the screw conveying device 12, the screws 2 are positioned by the positioning holes 1321 formed by the two clamping blocks 132, the positions of the screws 2 are detected by the screw detecting device 16, when the screw 2 is detected to be in place, the screw tightening device 14 is driven to advance by the tightening driving device 15 to absorb the screw 2, the clamping blocks 132 are driven to be separated by the positioning driving device, the screw tightening device 14 is driven to advance by the tightening driving device 15, meanwhile, the screw tightening device 14 drives the screw 2 to rotate and tighten on the workpiece to be installed, the structure is suitable for the screw 2 which is installed horizontally or vertically, the applicability is higher, the structure can also be suitable for the installation requirement of the screw 2 with larger weight, in addition, the installation efficiency of the screw 2 is high, and the installation quality of the screw 2 is also ensured.
Further, the supporting platform 11 is an XY two-directional adjustable platform, and includes a fixed platform 111, a first movable platform 112 and a second movable platform 113, a first movable rail 1111, which can allow the first movable platform 112 to slide, is disposed on the fixed platform 111, a second movable rail 1121, which can allow the second movable platform 113 to slide, is disposed on the first movable platform 112, the first movable rail 1111 and the second movable rail 1121 are perpendicular to each other, wherein the length direction of the first movable rail 1111 is perpendicular to the sliding direction of the screw tightening device 14, the screw tightening device 14 is slidably connected to the second movable platform 113, and the screw positioning device 13 is fixed to the second movable platform 113.
Through the adoption XY two to adjustable supporting platform 11, make screw 2 can realize the removal regulation around screwing up the in-process, change the position of screwing up screw 2, need not to treat the installation work piece and move the regulation, make screw 2 screw up the process more convenient.
In this embodiment, an end of the second movable platform 113 is slidably connected to the mounting seat 114, the screw tightening device 14 is fixed to the mounting seat 114, an end of the second movable platform 113 away from the mounting seat 114 is connected to the supporting plate 115, the screw tightening device 14 includes a driving motor 141 and a bit 142, the driving motor 141 is connected to the mounting seat 114 and is configured to drive the bit 142 to rotate, the bit 142 is configured to absorb the screw 2, and an end of the bit 142 away from the driving motor 141 passes through the supporting plate 115. The fixing block 131 is connected to one side of the supporting plate 115 far away from the driving motor 141, the fixing block 131 is hollow, and the bit 142 penetrates into the fixing block 131. In one embodiment, the batch head 142 can absorb the screws 2 by using the principle of negative pressure, and specifically, a vacuum device is arranged on the batch head 142 to suck the screws 2 to the end of the batch head 142 by means of vacuum. In another embodiment, the bit 142 may be provided with a magnetic member at its end to magnetically attract the screw 2.
Preferably, the end of the bit 142 is provided with a mounting groove 1421, the shape of the mounting groove 1421 matches with the screw head structure of the screw 2, and when the bit 142 adsorbs the screw 2, the screw head can be embedded into the mounting groove 1421, so that the screw 2 can be prevented from falling off, and the adsorption stability of the screw 2 is improved; moreover, by providing the mounting groove 1421, the screw 2 and the bit 142 can be prevented from rotating relatively in the process of screwing the screw 2 by rotating the bit 142, thereby ensuring the screwing effect of the screw 2.
The fixed block 131 is connected with a connecting frame 126, the lower end of the connecting frame 126 is fixed with the fixed block 131, the upper end of the connecting frame 126 is in an inclined structure, and the conveying pipe 121 can penetrate through and be fixed, so that the conveying pipe 121 forms an inclined included angle with the horizontal plane. The structure arrangement can ensure that when the conveying pipe 121 conveys the screws 2, the screws 2 slide down smoothly along the inclination of the conveying pipe 121, and the phenomenon that the screws 2 stay in the conveying pipe 121 is avoided.
Further, a screw conveying block 122 is arranged above the fixing block 131, a V-shaped groove 1311 is opened and closed in the middle of the fixing block 131, the screw conveying block 122 is clamped and embedded in the V-shaped groove 1311, an upper corner end of the screw conveying block 122 is hinged to the connecting frame 126 and can be turned over relative to the connecting frame 126, a through hole 1221 penetrates through the screw conveying block 122, and the through hole 1221 is communicated with the conveying pipe 121 and is used for a screw 2 to pass through. The screw conveying block 122 is connected with a turning driving member which can drive the screw conveying block 122 to turn up and down relative to the connecting frame 126. When the screw feeding block 122 is engaged in the V-groove 1311, the screw 2 can slide down the screw feeding block 122 from the feeding pipe 121 to the clamping block 132. In this embodiment, the auxiliary air blowing device 17 is installed on the fixing block 131 at a position rearward of the outlet below the through hole 1221 of the screw feeding block 122. After the screw 2 falls out of the screw feeding block 122, the auxiliary blowing device 17 may blow the screw 2 into the positioning hole 1321 of the clamping block 132 to completely position the screw 2.
Further, the upset driving piece drives actuating cylinder 123 for the upset, the upset drive actuating cylinder 123 connect in on the link 126, be connected with connecting seat 124 on the screw conveying piece 122, the upset drives the output rod end connection of actuating cylinder 123 and has a hinge 125, hinge 125 with the connecting seat 124 is connected, just set up on the connecting seat 124 and supply the gliding slide opening 1241 of hinge 125.
After the screw 2 is blown into the positioning hole 1321 of the clamping block 132, the position of the screw 2 is detected by the photoelectric detection switch, after the screw 2 is positioned in place, the hinge 125 can be driven to move by turning over the driving cylinder 123, the screw conveying block 122 is rotated around the hinge point of the hinge 125 and the connecting frame 126 by using the connecting structure of the hinge 125 and the connecting seat 124, the screw conveying block 122 is rotated upwards and separated from the V-shaped groove 1311, and at this time, the bit 142 can be moved forwards to the position of the clamping block 132 to adsorb the screw 2. Adopt such structural arrangement, the screw transport piece 122 can overturn from top to bottom, upwards turn up when needs adsorb and screw up the operation to screw 2, then turn down when needs carry out the nailing location to screw 2, make screw 2 can drop down along screw transport piece 122, the difference in height of screw transport piece 122 and the inboard bottom surface of fixed block 131 is less, can prevent that screw 2 from appearing bounceing after dropping, the direction that leads to screw 2 even appears changing, such structural design can improve the stability that screw 2 dropped, ensure that screw 2 fixes a position smoothly.
Further, one end of the clamping block 132 is horizontally and rotatably connected to the fixing block 131, and the positioning driving device is configured to drive the two clamping blocks 132 to rotate away from each other or rotate and clamp each other. In this embodiment, the positioning driving device is a positioning driving cylinder 133, the positioning driving cylinder 133 is fixed below the fixing block 131, the end of the output rod of the positioning driving cylinder 133 is connected with a driving block 134, the driving block 134 is connected below the clamping block 132 and has two guiding holes 1341, the two guiding holes 1341 are distributed in an inverted V shape, the two guiding holes 1341 extend obliquely from two corner ends of the driving block 134 toward a direction close to each other, the two clamping blocks 132 are correspondingly connected with a connecting piece 135 capable of passing through the guiding holes 1341 and sliding along the guiding holes 1341, and the driving block 134 can drive the two clamping blocks 132 to separate from each other or clamp each other under the driving of the positioning driving cylinder 133.
After the screw 2 is adsorbed by the bit 142, the driving block 134 is driven to move forward by the positioning driving cylinder 133, the connecting piece 135 can slide along the slide hole 1241 by the aid of a matching structure of the connecting piece 135 and the slide hole 1241, the connecting piece 135 drives the clamping block 132 to rotate around a hinge point between the clamping block 132 and the fixed block 131, so that the two clamping blocks 132 are rotated and separated, the screw 2 is separated from the clamping of the clamping block 132, the bit 142 is driven to rotate by the aid of the driving motor 141, and the screw 2 can be screwed.
In this embodiment, the photoelectric detection switch is installed on the outer side wall of the fixing block 131, an avoiding hole 1312 is formed in the side wall of the fixing block 131, the photoelectric detection switch is installed at the avoiding hole 1312, and the photoelectric detection switch can penetrate through the avoiding hole 1312 to detect the position of the screw 2, so that the screw 2 is ensured to be installed in place.
Further, the screwing driving device 15 comprises an adsorption driving air cylinder 151 and a screwing driving air cylinder 152, the adsorption driving air cylinder 151 is fixed on the supporting platform 11, the mounting seat 114 is slidably connected on the supporting platform 11, the screw screwing device 14 is fixed on the mounting seat 114, the screwing driving air cylinder 152 is installed on the mounting seat 114, the screwing driving air cylinder 152 and an output rod of the adsorption driving air cylinder 151 are connected with each other, the adsorption driving air cylinder 151 is used for driving the screw screwing device 14 to move and adsorb the screw 2, and the screwing driving air cylinder 152 is used for driving the screw screwing device 14 to advance when the screw screwing device 14 drives the screw to rotate.
After the screw penetrates into the positioning hole 1321 of the clamping block 132, the adsorption driving air cylinder 151 is started, the output rod of the adsorption driving air cylinder 151 drives the screwing driving air cylinder 152 to move, the screwing driving air cylinder 152 synchronously drives the mounting seat 114 and the driving motor 141 to move, the screwdriver head 142 is gradually close to the screw 2 and adsorbs the screw 2 by using the screwdriver head 142, after the screwdriver head 142 adsorbs the screw 2, the positioning driving air cylinder 133 is started to separate and open the two clamping blocks 132, at the moment, the screwing driving air cylinder 152 is started, the driving motor 141 is started at the same time, the screwdriver head 142 drives the screw 2 to rotate while advancing, and therefore the screw 2 is screwed on a workpiece to be installed. In this embodiment, the two driving cylinders, the adsorption driving cylinder 151 and the tightening driving cylinder 152, drive the batch head 142 to advance, and respectively realize the adsorption and tightening processes. Because the moving stroke of the screwdriver head 142 is large when the screwdriver head 142 is used for adsorbing the screw 2 in the advancing process, and the advancing stroke of the screwdriver head 142 is small in the screwing process of the screw 2, the two driving cylinders with different strokes of the adsorption driving cylinder 151 and the screwing driving cylinder 152 are adopted, so that the production efficiency can be improved, and the precision of the screwing process of the screw 2 can be ensured.
Further, a bracket 116 is connected to the second movable platform 113, and the delivery pipe 121 is fixed to the bracket 116.
Further, in one embodiment, the clamping block 132 is provided with a floating clamping piece 136 on the inner wall of the positioning hole 1321, and the floating clamping piece 136 is used for performing floating clamping on the screw 2. Preferably, the floating clip 136 is hinged in the positioning hole 1321, and a torsion spring is arranged at the hinged position of the floating clip 136 and the inner wall of the positioning hole 1321. The floating clips 136 on the two clamping blocks 132 are symmetrically distributed, and one or more floating clips 136 may be disposed on each clamping block 132. Preferably, an inclined guide surface 1322 is disposed at one end of the positioning hole 1321 close to the fixing block 131, when the floating clip 136 is in an initial state, the floating clip 136 abuts against the guide surface 1322, after the screw 2 is blown into the positioning hole 1321, a screw section of the screw 2 pushes the floating clip 136 open, so that the floating clip 136 rotates and disengages from the guide surface 1322, the floating clip 136 elastically clamps the screw 2, thereby avoiding a decrease in positioning accuracy of the screw 2 due to an oversize positioning hole 1321 on the clamping block 132, and elastically clamping the screw 2 by means of the floating clip 136, so that the screw 2 is positioned more accurately, the bit 142 can more accurately adsorb the screw 2, and reliability of a screwing process of the screw 2 is improved.
The invention also provides a screw tightening method, and the screw tightening integrated machine 1 comprises the following steps:
screening the screws 2 by means of a screw screening device;
conveying the screened screws 2 to a screw positioning device 13 by using a screw conveying device 12;
blowing the screw 2 transferred to the screw positioning device 13 into the positioning hole 1321 of the screw positioning device 13 by means of the auxiliary blowing device 17;
starting a screw detection device 16 to detect the position of the screw 2, and sending a detection signal to the control center when detecting that the screw 2 is located at the specified position;
the control center sends an indication signal to the screwing driving device 15 after acquiring the detection signal, and the screwing driving device 15 drives the screw screwing device 14 to move to the position of the screw 2 and then adsorbs the screw 2;
the clamping blocks 132 are driven to be separated from each other and separated from the screw 2 by the positioning driving device;
the screw tightening device 14 is driven to advance by means of the tightening drive device 15, and the screw tightening device 14 drives the screw 2 to rotate and tighten onto the workpiece to be mounted.
Further, before the control center sends an indication signal to the tightening driving device 15 after acquiring the detection signal, and the tightening driving device 15 drives the screw tightening device 14 to move to the screw position and then adsorbs the screw 2, the method further includes the following steps:
The screw conveying block 122 is driven to turn upwards and separate from the fixing block 131 by the turning driving cylinder 123.
In summary, the scheme of the invention has the following advantages:
1. in the screw tightening integrated machine 1 related to the invention, after the screw 2 is screened by the screw screening device, the screw 2 is conveyed to the screw positioning device 13 by the screw conveying device 12, the screw 2 is positioned by the positioning hole 1321 formed by the two clamping blocks 132, the position of the screw 2 is detected by the screw detecting device 16, when the screw 2 is detected to be in place, the screw tightening device 14 is driven by the tightening driving device 15 to advance to adsorb the screw 2, the clamping blocks 132 are driven to separate by the positioning driving device, the screw tightening device 14 is driven by the tightening driving device 15 to advance, and the screw 2 is driven by the screw tightening device 14 to rotate and be tightened on a workpiece to be installed, the structure can be suitable for the screw 2 which is installed horizontally or vertically, has higher applicability, can also be suitable for the installation requirements of long screws and large screws, and, the mounting efficiency of the screw 2 is high, and the mounting quality of the screw 2 is also ensured.
2. According to the screw tightening method, the screw 2 is adsorbed and tightened after the screw 2 is positioned by the screw positioning device 13, so that the functions of positioning, adsorbing and tightening installation of the screw 2 are integrated, the installation efficiency of the screw 2 is greatly improved, the screw 2 is positioned by the screw positioning device 13, the tightening requirements for placing the screw 2 at various angles can be met, and the installation of the screw 2 is more accurate.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and embellishments can be made without departing from the principle of the present invention, and these should also be construed as the scope of the present invention.
Claims (5)
1. The utility model provides a screw tightening all-in-one, characterized by: the device comprises a supporting platform (11), a screw screening device, a screw conveying device (12), a screw positioning device (13), a screw tightening device (14), a tightening driving device (15), a screw detecting device (16) and an auxiliary air blowing device (17), wherein the screw positioning device (13), the screw tightening device (14) and the tightening driving device (15) are arranged on the supporting platform (11), the screw screening device is used for screening screws (2), the screw conveying device (12) is connected between the screw screening device and the screw positioning device (13) and is used for conveying the screws (2) to the screw positioning device (13), the screw positioning device (13) is used for clamping and fixing the screws (2), the screw tightening device (14) is movably connected to the supporting platform (11), and the screw tightening device (14) is used for adsorbing the screws (2) and rotatably tightening the screws (2) to a tool to be installed On the component, the screw tightening driving device (15) is used for driving the screw tightening device (14) to move linearly relative to the supporting platform (11), the screw positioning device (13) comprises a fixed block (131) and two clamping blocks (132), the fixing block (131) is connected with the supporting platform (11), the two clamping blocks (132) are movably connected to the fixing block (131), the two clamping blocks (132) together form a positioning hole (1321) for a screw (2) to pass through, the supporting platform (11) is provided with a positioning driving device which is used for driving the two clamping blocks (132) to be clamped or separated from each other, the auxiliary blowing device (17) is connected to the fixing block (131) and used for blowing screws (2) into the positioning holes (1321) for positioning, the screw detection device (16) is used for detecting the position of the screw (2) after the screw (2) penetrates into the positioning hole (1321); the conveying device comprises a conveying pipe (121), a supporting plate (115) is arranged on the supporting platform (11), the fixing block (131) is connected with the supporting plate (115), one end of the conveying pipe (121) is connected with the screw screening device, and the other end of the conveying pipe is connected with the supporting plate (115); the screw conveying device is characterized in that a screw conveying block (122) is arranged on the supporting plate (115), the screw conveying block (122) can be turned over up and down relative to the supporting plate (115), a through hole (1221) is formed in the screw conveying block (122) in a penetrating mode, the through hole (1221) is communicated with the conveying pipe (121) and used for a screw (2) to pass through, the auxiliary air blowing device (17) is used for horizontally blowing the screw (2) which slides down from the through hole (1221) into the positioning hole (1321), and a turning driving piece capable of driving the screw conveying block (122) to turn over up and down relative to the supporting plate (115) is connected to the screw conveying block (122); one end of each clamping block (132) can be horizontally and rotatably connected to the fixed block (131), and the positioning driving device is used for driving the two clamping blocks (132) to rotate and separate or rotate and clamp each other; the positioning driving device is a positioning driving cylinder (133), the end part of an output rod of the positioning driving cylinder (133) is connected with a driving block (134), the driving block (134) is connected below the clamping blocks (132) and is provided with two guide holes (1341), the two clamping blocks (132) are respectively and correspondingly connected with connecting pieces (135) which can pass through the guide holes (1341) and slide along the guide holes (1341), and the driving block (134) can drive the two clamping blocks (132) to be separated from each other or clamped with each other under the driving of the positioning driving cylinder (133); the clamping block (132) is provided with a floating clamping piece (136) on the inner wall of the positioning hole (1321), and the floating clamping piece (136) is used for clamping the screw (2) in a floating manner; the floating clamping piece (136) is hinged to the inside of the positioning hole (1321), and a torsion spring is arranged at the hinged position of the floating clamping piece (136) and the inner wall of the positioning hole (1321); one end of the positioning hole (1321) close to the fixed block (131) is provided with an inclined guide surface (1322), and when the floating clamping piece (136) is in an initial state, the floating clamping piece (136) abuts against the guide surface (1322).
2. The screw tightening integrated machine according to claim 1, characterized in that: the utility model discloses a screw conveyor, including screw conveying piece, upset driving piece, backup pad (115), screw conveying piece, hinge (125), upset driving piece drive actuating cylinder (123), upset drive actuating cylinder (123) connect in on backup pad (115), be connected with connecting seat (124) on screw conveying piece (122), the output lever end connection that upset was driven actuating cylinder (123) has hinge (125), hinge (125) with connecting seat (124) are connected, just seted up on connecting seat (124) and supplied hinge (125) gliding slide opening (1241).
3. The screw tightening integrated machine according to claim 1, characterized in that: screw up drive arrangement (15) including adsorbing drive actuating cylinder (151) and screw up drive actuating cylinder (152), adsorb drive actuating cylinder (151) and be fixed in on supporting platform (11), be connected with mount pad (114) on supporting platform (11) slidable, screw up device (14) are fixed in on mount pad (114), screw up drive actuating cylinder (152) install in on mount pad (114), screw up drive actuating cylinder (152) with adsorb the output lever interconnect who drives actuating cylinder (151), adsorb and drive actuating cylinder (151) and be used for ordering about screw tightening device (14) and remove and adsorb screw (2), screw up drive actuating cylinder (152) and be used for ordering about screw tightening device (14) when screw tightening device (14) order about screw (2) to rotate and advance.
4. The screw tightening machine according to claim 1, wherein: supporting platform (11) are including fixed platform (111), first movable platform (112) and second movable platform (113), be equipped with on fixed platform (111) and supply first movable rail (1111) that first movable platform (112) are gliding, be equipped with on first movable platform (112) and supply second movable rail (1121) that second movable platform (113) are gliding, first movable rail (1111) and second movable rail (1121) mutually perpendicular, screw tightening device (14) slidable connect in on second movable platform (113), screw positioner (13) are fixed in on second movable platform (113).
5. A screw tightening method, characterized in that the screw tightening machine according to any one of claims 1 to 4 is used, comprising the steps of:
screening the screws (2) by means of a screw screening device;
conveying the screened screws (2) to a screw positioning device (13) by using a screw conveying device (12);
blowing the screws (2) transferred to the screw positioning device (13) into the positioning holes (1321) of the screw positioning device (13) by means of an auxiliary blowing device (17);
starting a screw detection device (16) to detect the position of the screw (2), and sending a detection signal to a control center when detecting that the screw (2) is located at a specified position;
The control center sends an indication signal to the screwing driving device (15) after acquiring the detection signal, and the screwing driving device (15) drives the screw screwing device (14) to move to the position of the screw (2) and then adsorbs the screw (2);
the clamping blocks (132) are driven to separate from each other and separate from the screw (2) by means of a positioning driving device;
the screw tightening device (14) is driven to advance by the screw tightening driving device (15), and the screw (2) is driven to rotate and be tightened on a workpiece to be installed by the screw tightening device (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111150825.8A CN113752006B (en) | 2021-09-29 | 2021-09-29 | Screw tightening integrated machine and screw tightening method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111150825.8A CN113752006B (en) | 2021-09-29 | 2021-09-29 | Screw tightening integrated machine and screw tightening method |
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| Publication Number | Publication Date |
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| CN113752006A CN113752006A (en) | 2021-12-07 |
| CN113752006B true CN113752006B (en) | 2022-06-14 |
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| CN202111150825.8A Active CN113752006B (en) | 2021-09-29 | 2021-09-29 | Screw tightening integrated machine and screw tightening method |
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| JPS58181527A (en) * | 1982-04-13 | 1983-10-24 | Hitachi Metals Ltd | Automatic screw-down device for flange |
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| CN107511675A (en) * | 2017-09-08 | 2017-12-26 | 广东金弘达自动化科技股份有限公司 | A kind of deep hole filature |
| CN109093364A (en) * | 2017-06-20 | 2018-12-28 | 青岛新松机器人自动化有限公司 | A kind of screw is pneumatically for nail device for screwing up and its application method |
| CN210060373U (en) * | 2019-06-18 | 2020-02-14 | 深圳市利器精工科技有限公司 | Automatic screw screwing device |
| CN210147425U (en) * | 2019-05-14 | 2020-03-17 | 中国第一汽车股份有限公司 | Automatic nail feeding mechanism and automatic nail feeding tightening equipment |
| CN212977371U (en) * | 2020-07-02 | 2021-04-16 | 常州市元瑞电机科技有限公司 | Stepping motor locking screw device |
-
2021
- 2021-09-29 CN CN202111150825.8A patent/CN113752006B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58181527A (en) * | 1982-04-13 | 1983-10-24 | Hitachi Metals Ltd | Automatic screw-down device for flange |
| CN106926036A (en) * | 2016-12-30 | 2017-07-07 | 柳州福臻车体实业有限公司 | A kind of internal telescopic pin positioning and clamping mechanism |
| CN109093364A (en) * | 2017-06-20 | 2018-12-28 | 青岛新松机器人自动化有限公司 | A kind of screw is pneumatically for nail device for screwing up and its application method |
| CN107511675A (en) * | 2017-09-08 | 2017-12-26 | 广东金弘达自动化科技股份有限公司 | A kind of deep hole filature |
| CN210147425U (en) * | 2019-05-14 | 2020-03-17 | 中国第一汽车股份有限公司 | Automatic nail feeding mechanism and automatic nail feeding tightening equipment |
| CN210060373U (en) * | 2019-06-18 | 2020-02-14 | 深圳市利器精工科技有限公司 | Automatic screw screwing device |
| CN212977371U (en) * | 2020-07-02 | 2021-04-16 | 常州市元瑞电机科技有限公司 | Stepping motor locking screw device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113752006A (en) | 2021-12-07 |
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Denomination of invention: A screw tightening machine and screw tightening method Effective date of registration: 20230506 Granted publication date: 20220614 Pledgee: Agricultural Bank of China Limited Guangzhou Tianhe sub branch Pledgor: GUANGZHOU DONGHAN INTELLIGENT EQUIPMENT CO.,LTD. Registration number: Y2023980039918 |