CN110340647B - Device and method for selecting and delivering multi-type screws by flow drill screwing equipment - Google Patents

Device and method for selecting and delivering multi-type screws by flow drill screwing equipment Download PDF

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Publication number
CN110340647B
CN110340647B CN201910582702.8A CN201910582702A CN110340647B CN 110340647 B CN110340647 B CN 110340647B CN 201910582702 A CN201910582702 A CN 201910582702A CN 110340647 B CN110340647 B CN 110340647B
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nail
selecting
screw
box
feeding
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CN110340647A (en
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刘蕾
翁哲
汤东华
刘宏婕
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Anhui Juyi Technology Co Ltd
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Anhui Juyi Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines 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
    • B23P19/04Machines 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
    • B23P19/06Screw or nut setting or loosening machines
    • B23P19/065Arrangements for torque limiters or torque indicators in screw or nut setting machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)

Abstract

The invention discloses a device and a method for selecting and delivering multi-type screws by using a flow drill screwing device, wherein the device mainly comprises a screw selecting mechanism, a screw delivering mechanism and a plurality of screw boxes, wherein the screw selecting mechanism is respectively communicated with a discharge hole of each screw box and a feed hole of the screw delivering mechanism; the method mainly comprises the following steps: s1: screws of different types are respectively placed in the screw boxes; s2: selecting a screw of a certain type, and transferring the screw selecting slide block to a discharge end of a corresponding screw box; s3: the corresponding nail box sends the screws to the nail selecting mechanism; s4: the screw selecting sliding block enables the screw to enter the screw feeding mechanism; s5: the screw feeding mechanism feeds the screw into the drill gun; s6: and repeating the steps S2 to S5 until the nail selecting and feeding procedures are completed. The invention can realize the selective feeding operation of various types of screws on one station, avoid multi-station operation and reduce the occupied area and the equipment cost of equipment.

Description

Device and method for selecting and delivering multiple types of screws by using flow drill screwing equipment
Technical Field
The invention relates to the technical field of assembly auxiliary tools, in particular to a device and a method for selecting and delivering screws of various types by using a flow drill screwing device.
Background
The flow drilling tightening process is abbreviated as FDS, and is one of the common processes for connecting steel-aluminum hybrid vehicle bodies. In the flow-to-screw (FDS) process, FDS screws are conveyed to a gun head from a nail box through a conveying pipe and then to a gun nozzle, and then the gun head executes a riveting instruction to perform riveting. The most important nails in riveting need to be temporarily stored in a nail box, and are conveyed to the gun head from the nail box during riveting.
In the torque tightening process, the following methods are generally used for driving two different sizes of screws:
the method comprises the following steps: one nail box can not convey screws of various types, and screws of different types are distributed to different stations to complete riveting;
the method divides the nails with different types into different stations for screwing operation, and increases a plurality of sets of complete equipment, thereby increasing the equipment cost and having poor economy;
the second method comprises the following steps: during early planning, screws of different types are unified into one type, so that the use of various screws is avoided;
the method directly reduces the types of the nails, reduces the process requirement, thereby generating quality deviation, reducing the quality requirement of products and having poor feasibility.
Therefore, it is desirable to provide a device and a method for delivering multiple types of screws by a flow drill tightening device to solve the above problems.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device and a method for selectively delivering screws of various types by using a flow drill screwing device.
In order to solve the technical problems, the invention adopts a technical scheme that: the device for selecting and delivering the screws of the multi-type by the flow drill screwing equipment mainly comprises a screw selecting mechanism, a screw delivering mechanism and a plurality of screw boxes;
the feed inlet of the nail selecting mechanism is respectively communicated with the discharge outlets of the nail boxes, and the discharge outlets of the nail selecting mechanism are communicated with the feed inlet of the nail feeding mechanism.
Further, the nail selecting mechanism comprises a nail selecting box, a nail selecting positioning mechanism and a nail selecting sliding block;
the end part of the execution end of the nail selecting and positioning mechanism is fixedly connected with a nail selecting sliding block, and the nail selecting sliding block is arranged in the nail selecting box in a sliding manner.
Furthermore, a through hole which is vertically communicated is formed in the nail selecting sliding block, and a detection sensor which is electrically connected with a control system of the flow drill screwing equipment is arranged in the through hole.
Furthermore, a plurality of position sensors electrically connected with a control system of the flow drill tightening equipment are arranged on the nail selecting and positioning mechanism and are respectively used for in-place detection of nail selecting positions.
Further, the nail feeding mechanism comprises a nail feeding pipeline and a nail passing sensor arranged on the nail feeding pipeline;
one side of the bottom of the nail feeding pipeline is connected with a high-pressure air supply pipeline through a valve island.
The method for selectively sending the screws of the different types by the flow drill tightening equipment is also provided, and the device is suitable for selectively sending the screws of the different types by the flow drill tightening equipment and comprises the following steps:
s1: screws to be selected and delivered in different types are respectively placed in the screw boxes of the rhinestone tightening equipment;
s2: selecting a screw of a certain model by a control system of the flow drill screwing equipment according to a preset program, and enabling a screw selecting mechanism of the flow drill screwing equipment to act so as to enable a screw selecting sliding block of the screw selecting mechanism to be transferred to the position right below a discharging end of a screw box corresponding to the screw of the model;
s3: after a nail selecting sliding block of the nail selecting mechanism reaches a preset position, a nail box corresponding to the type of the screw executes a nail discharging program, and the screw of the selected type is sent to a feeding end of the nail selecting mechanism;
s4: after the selected type of screw enters the screw selecting mechanism, a screw selecting sliding block of the screw selecting mechanism is transferred to a screw feeding mechanism of the rhinestone tightening equipment, so that the selected type of screw enters the screw feeding mechanism;
s5: the screw feeding mechanism feeds the screw with the selected type into a drill gun of the flow drill screwing equipment;
s6: and repeating the steps S2 to S5 until the execution of the screw selecting and feeding program of the screw to be selected in the preset program is finished.
Further, in step S2, the specific method for controlling the staple selecting position of the staple selecting mechanism includes the following steps:
s2.1: the nail selecting and positioning mechanism works to drive the execution end of the nail selecting and positioning mechanism to move along the length direction of the nail selecting box;
s2.2: when the screw selecting slide block reaches the position of a screw box discharge port corresponding to the screw of the selected type, a position sensor for detecting the in-place position of the position acts, and a corresponding position signal is transmitted to a control system of the flow drill screwing equipment;
s2.3: and a control system of the flow drill screwing equipment is connected with the nail selecting and positioning mechanism to control the nail selecting and positioning mechanism to pause work, and a corresponding nail box is started to execute the nail feeding process.
Further, in step S3, the specific method for feeding staples from the staple box includes the following steps:
s3.1: a vibration mechanism in the nail box conveys a screw in the nail box into a nail conveying pipe;
s3.2: in the process of natural falling of the screw, the screw passing sensor detects the passing of the screw and transmits a corresponding detection signal to a control system of the flow drill tightening equipment;
s3.3: and a control system of the flow drill screwing equipment starts a high-pressure gas conveying mechanism in the nail box to work, high-pressure gas is blown to the discharge end of the nail box, and the screw is pushed into the nail selecting mechanism and falls into the nail selecting sliding block.
Further, in step S4, the method for controlling the staple feeding position of the staple selecting mechanism includes the steps of:
s4.1: after the screw falls into the screw selecting sliding block, a detection sensor in the screw selecting sliding block is triggered to act, and a corresponding detection signal is transmitted to a control system of the flow drill screwing equipment;
s4.2: the control system of the flow drill screwing equipment controls the corresponding nail box to pause working, and the nail selecting mechanism is started again to work to drive the nail selecting slide block to move reversely along the length direction of the nail selecting box;
s4.3: when the nail selecting slide block reaches the position of a feed port of the nail feeding mechanism, a position sensor for detecting the in-place position of the position acts, and a corresponding position signal is transmitted to a control system of the flow drill screwing equipment;
s4.4: and the control system of the flow drill screwing device controls the nail selecting and positioning mechanism to suspend working, and the screw naturally falls into the feed port of the nail feeding mechanism.
Further, in step S5, the staple feeding method of the staple feeding mechanism specifically includes the following steps:
s5.1: in the process that the screw naturally falls to the bottom in the screw conveying pipeline, the screw passing sensor detects that the screw passes through, and corresponding detection signals are transmitted to a control system of the flow drill screwing-down equipment;
s5.2: starting a valve island by a control system of the flow drill screwing equipment to work, and communicating the interior of the nail feeding pipeline with a high-pressure air supply pipeline, so that the bottom of the nail feeding pipeline is filled with high-pressure air, and a screw is pushed to enter a drill gun clamping part provided with a detection sensor;
s5.3: after a detection sensor at the clamping part of the drill gun detects the screw, a detection signal is transmitted to a control system of the flow drill screwing equipment;
s5.4: and a control system of the flow drill screwing equipment closes the valve island and starts a drill gun to perform the processes of screw clamping and screw screwing.
The invention has the following beneficial effects: the invention realizes the parallel use of a plurality of nail boxes by arranging the nail selecting mechanism and the nail feeding mechanism, can select and parallelly convey the screws according to the system, and shares one nail feeding mechanism to feed the selected screws to a shared nail gun, thereby realizing the selective feeding operation of various types of screws on one station, avoiding the multi-station operation and reducing the occupied area and the equipment cost of the equipment.
Drawings
FIG. 1 is a schematic structural diagram of a device for selectively delivering screws of various types by using the flow drill tightening equipment of the invention;
FIG. 2 is a schematic structural view of the staple selecting mechanism;
FIG. 3 is a schematic structural view of the positional relationship between the staple selecting mechanism and the staple feeding mechanism;
FIG. 4 is a flow chart illustrating a method for selecting a plurality of types of screws by the flow drill tightening device of the present invention.
In the figure: the automatic nail selecting and feeding device comprises a first nail box 1, a second nail box 2, a first nail passing sensor 3, a second nail passing sensor 4, a second nail passing sensor 5, a nail selecting mechanism 51, a nail selecting box 52, a nail selecting and positioning mechanism 53, a nail selecting slide block 54, a detection sensor 54, a first position sensor 55, a second position sensor 56, a first nail feeding pipe 57, a second nail feeding pipe 58, a nail discharging pipe 59, a nail feeding mechanism 6, a nail feeding pipeline 61, a third nail passing sensor 62, a connecting pipe 63, a valve island 64 and a high-pressure air supply pipeline 65.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1, a device for selecting and delivering screws of a flow drill tightening device mainly comprises a screw selecting mechanism 5, a screw delivering mechanism 6, a first screw box 1 and a second screw box 2. FDS screws a are placed in the first magazine 1, and FDS screws b are placed in the second magazine 2.
The first nail box 1 and the second nail box 2 are commercially available devices, and a vibration mechanism for conveying the screws and a high-pressure gas conveying mechanism for sending out the screws are arranged in the first nail box and the second nail box, and detailed description of specific structures is omitted here.
The top feed inlet of the nail selecting mechanism 5 is respectively communicated with the bottom discharge outlets of the first nail box 1 and the second nail box 2, and the bottom discharge outlet of the nail selecting mechanism 5 is communicated with the top feed inlet of the nail feeding mechanism 6.
As shown in FIG. 2, the staple selecting mechanism comprises a staple selecting box 51, a staple selecting positioning mechanism 52 and a staple selecting slider 53. In this embodiment, the nail selecting and positioning mechanism 52 employs an air cylinder, two air inlet ports of the air cylinder are respectively connected with the existing air path of the FDS device through electromagnetic valves, and the stroke limit position and the return stroke limit position of the piston of the air cylinder are respectively used as two position positioning points of the nail selecting and positioning mechanism 52.
The nail selecting sliding block 53 is fixedly connected to the end part of the output rod of the air cylinder and is arranged in the nail selecting box 51 in a sliding mode, and the stroke limit position and the return limit position of the piston of the air cylinder correspond to the positions of the nail selecting sliding block 53, the first nail box 1 and the second nail box 2 for screw transmission. Preferably, the inner walls of the two sides of the nail selecting box 51 are provided with sliding grooves along the length, and the two sides of the nail selecting sliding block 53 are respectively embedded into the sliding grooves in a sliding manner.
A through hole which is vertically communicated is arranged in the nail selecting slide block 53, the diameter of the through hole is slightly larger than the diameter of a port at the feeding end of the top of the nail selecting box 51, so that the screw can smoothly enter the through hole after being sent out from the first nail box 1/the second nail box 2, and the screw can be conveyed in a correct pose. Meanwhile, a detection sensor 54 electrically connected with a control system of the flow drill tightening equipment is arranged in the through hole and used for detecting whether the screw enters the screw selecting sliding block 53 or not and controlling the return process of starting the screw selecting positioning mechanism 52.
The top of the nail selecting box 51 is provided with a first nail feeding pipe 57 for communicating the discharge end of the first nail box 1 with the feed end of the nail selecting box 51, a second nail feeding pipe 58 for communicating the discharge end of the second nail box 2 with the feed end of the nail selecting box 51, and the bottom of the nail selecting box 51 is provided with a nail discharging pipe 59 for communicating the discharge end of the nail selecting box 51 with the feed end of the nail feeding mechanism 6. The nail outlet pipe 59 is positioned right below the second nail inlet pipe 58. The inner wall of the first nail feeding pipe 57 is provided with a first nail passing sensor 3, and the inner wall of the second nail feeding pipe 58 is provided with a second nail passing sensor 4.
Preferably, the outer wall of the cylinder is provided with a first position sensor 55 and a second position sensor 56 which are electrically connected with a control system of the flow drill screwing equipment, and the first position sensor and the second position sensor are respectively used for detecting the in-place of the stroke limit position and the return limit position of the piston of the cylinder, namely the nail selecting position of the nail selecting slide block 53, and controlling the suspension of the cylinder in the in-place state. The first position sensor 55 and the second position sensor 56 are electromagnetic switches.
As shown in fig. 3, the staple feeding mechanism 6 includes a staple feeding pipe 61, and a third staple passing sensor 62 disposed on the staple feeding pipe 61. The top of the nail feeding pipe 61 is communicated with the bottom of the nail outlet pipe 59. The bottom of the nail feeding pipe 61 is provided with a connecting pipe 63, and one side of the connecting pipe 63 is connected with a high-pressure air supply pipeline 65 through a valve island 64.
The third nail passing sensor 62 is used for detecting whether a screw enters the nail feeding pipeline 61 or not, and controlling the opening and closing of the valve island 64 through a control system of the FDS equipment to realize the connection/disconnection between the nail feeding pipeline 61 and the high-pressure air supply pipeline 65.
Referring to fig. 4, the method for selectively feeding screws by using the device for selectively feeding screws of multiple models comprises the following steps:
s1: FDS screws a are placed in a first nail box 1 of the FDS equipment, and FDS screws b are placed in a second nail box 2;
s2: nail selecting mechanism 5 receives the instruction and begins work, sets for nail selecting position, and concrete steps are:
s2.1: when the control system of the FDS equipment provides that the FDS screws a/FDS screws b are needed at the gun head end, the air cylinder acts to drive the nail selecting sliding block 53 to move along the length direction of the nail selecting box 51;
s2.2: when the nail selecting slide block 53 reaches the position below the discharge port of the first nail box 1/the second nail box 2, the cylinder is in the limit position of the process/return stroke, the first position sensor 55/the second position sensor 56 acts, and the corresponding position is transmitted to a control system of the FDS equipment;
s2.3: after receiving the corresponding control signal, the control system of the FDS equipment controls the nail selecting and positioning mechanism 5 to pause working and starts the first nail box 1/the nail box 2 to execute the nail feeding process;
s3: the first nail box 1/the second nail box 2 receives the instruction to start working and convey FDS screws a/FDS screws b, and the specific steps are as follows:
s3.1: the vibration mechanism in the first nail box 1/the second nail box 2 conveys an FDS screw a/FDS screw b to the first nail feeding pipe 57/the second nail feeding pipe 58;
s3.2: the FDS screws a/b naturally fall in the first nail feeding pipe 57/the second nail feeding pipe 58 and pass through the first nail passing sensor 3/the second nail passing sensor 4, the first nail passing sensor 3/the second nail passing sensor 4 detects that the FDS screws a/FDS screws b pass through, and corresponding detection signals are transmitted to a control system of the FDS equipment;
s3.3: the FDS equipment control system starts the high-pressure gas conveying mechanism in the first nail box 1/the second nail box 2 to work, high-pressure gas is blown to the discharge end of the first nail box 1/the second nail box 2, and the FDS screws a/FDS screws b are pushed into the nail selecting mechanism 5 and fall into the nail selecting slide block 53.
S4: the nail selecting mechanism 5 positions and outputs the FDS screw a/FDS screw b, and the specific steps are as follows:
s4.1: after the FDS screw a/FDS screw b falls into the nail selecting sliding block 53, a detection sensor 54 in the nail selecting sliding block 53 is triggered to act, and a corresponding detection signal is transmitted to a control system of the FDS equipment;
s4.2: the control system of the FDS equipment controls the corresponding first nail box 1/second nail box 2 to pause working, and restarts the nail selecting mechanism 5 to work, and drives the nail selecting slide block 53 to move reversely along the length direction of the nail selecting box 51;
s4.3: when the staple selecting slide block 53 reaches the position above the feed inlet of the staple feeding mechanism 6, the second position sensor 56 acts to transmit a corresponding position signal to the control system of the FDS equipment;
s4.4: after receiving the corresponding control signal, the control system of the FDS equipment controls the nail selecting and positioning mechanism 5 to pause working, and the FDS screws a/FDS screws b naturally fall into a feeding hole of the nail feeding mechanism 6, namely the nail feeding pipeline 61;
s5: the nail feeding mechanism 6 feeds the FDS screw a/FDS screw b into a drill gun of the FDS equipment, and the concrete steps are as follows:
s5.1: the FDS screws a/b pass through the third screw passing sensor 62 in the process of naturally falling to the bottom in the screw feeding pipeline 61, the third screw passing sensor 62 detects that the FDS screws a/b pass through, and corresponding detection signals are transmitted to a control system of the FDS equipment;
s5.2: the control system of the FDS equipment starts the valve island 64 to work, so that the connecting pipe 63 is communicated with the high-pressure air supply pipeline 65, the bottom of the nail conveying pipeline 61 is filled with high-pressure air, and the FDS screw a/FDS screw b is pushed to enter a drill gun clamping part provided with a detection sensor;
s5.3: after detecting the FDS screw a/FDS screw b, a detection sensor at the clamping part of the drill gun transmits a detection signal to a control system of the FDS equipment;
s5.4: the control system of the FDS equipment closes the valve island 64 and starts the drilling gun to perform the processes of screw clamping and screw tightening;
s6: and repeating the steps S2 to S5 until the execution of the screw selecting and feeding program of the screw to be selected in the preset program is finished.
Obviously, the nail selecting and positioning mechanism 52 of the present invention may also adopt other positioning mechanisms such as motor screw transmission, and is configured with two or more nail boxes, so as to implement the nail selecting and nail feeding processes of two or more types of FDS screws.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (6)

1. The utility model provides a device that multi-type screw was selected to flow and bored screwing up equipment which characterized in that: mainly comprises a nail selecting mechanism, a nail feeding mechanism and a plurality of nail boxes;
the feed inlet of the nail selecting mechanism is respectively communicated with the discharge outlets of the nail boxes, and the discharge outlet of the nail selecting mechanism is communicated with the feed inlet of the nail feeding mechanism;
the nail selecting mechanism comprises a nail selecting box, a nail selecting positioning mechanism and a nail selecting sliding block; a first nail feeding pipe (57) for communicating the discharge end of the first nail box (1) with the feed end of the nail selecting box (51) and a second nail feeding pipe (58) for communicating the discharge end of the second nail box (2) with the feed end of the nail selecting box (51) are arranged at the top of the nail selecting box (51), and a nail discharging pipe (59) for communicating the discharge end of the nail selecting box (51) with the feed end of the nail feeding mechanism (6) is arranged at the bottom of the nail selecting box (51); the nail outlet pipe (59) is positioned right below the second nail inlet pipe (58); a first nail passing sensor (3) is arranged on the inner wall of the first nail feeding pipe (57), and a second nail passing sensor (4) is arranged on the inner wall of the second nail feeding pipe (58);
the end part of the execution end of the nail selecting and positioning mechanism is fixedly connected with a nail selecting sliding block, and the nail selecting sliding block is arranged in the nail selecting box in a sliding manner;
a vertically through hole is formed in the nail selecting sliding block, and when the nail selecting sliding block is located at a nail selecting position in the nail selecting box, the top end of the through hole is communicated with the corresponding feed inlet; when the selected slide block is positioned at the nail feeding position, the bottom end of the through hole is communicated with the corresponding discharge hole;
a detection sensor electrically connected with a control system of the flow drill tightening equipment is arranged in the through hole and used for detecting whether a screw enters the screw selecting sliding block (53) or not and controlling the return process of starting the screw selecting positioning mechanism (52);
the nail selecting and positioning mechanism is provided with a plurality of position sensors which are electrically connected with a control system of the flow drill screwing equipment and are respectively used for in-place detection of nail selecting positions;
the nail feeding mechanism comprises a nail feeding pipeline and a third nail passing sensor arranged on the nail feeding pipeline; the top of the nail feeding pipeline (61) is communicated with the bottom of the nail discharging pipe (59);
one side of the bottom of the nail feeding pipeline is connected with a high-pressure air supply pipeline through a valve island;
the nail selecting and positioning mechanism adopts a cylinder, two air inlet ports of the cylinder are respectively connected with the existing air path of the FDS equipment through electromagnetic valves, and the process limit position and the return stroke limit position of a piston of the cylinder are respectively used as two position positioning points of the nail selecting and positioning mechanism; and a first position sensor (55) and a second position sensor (56) which are electrically connected with a control system of the flow drill screwing equipment are arranged on the outer wall of the cylinder and are respectively used for in-place detection of the process limit position and the return limit position of the piston of the cylinder, namely the nail selecting position of the nail selecting slide block (53), and the suspension of the cylinder in the in-place state is controlled.
2. The method for selecting and delivering the screws of the flow drill tightening equipment is suitable for the device for selecting and delivering the screws of the flow drill tightening equipment as claimed in claim 1, and is characterized by comprising the following steps of:
s1: screws to be selected and delivered in different types are respectively placed in each screw box of the rhinestone screwing equipment;
s2: selecting a screw of a certain model by a control system of the flow drill screwing equipment according to a preset program, and enabling a screw selecting mechanism of the flow drill screwing equipment to act to enable a screw selecting sliding block of the screw selecting mechanism to be transferred to the position right below a discharge end of a screw box corresponding to the screw of the model;
s3: after a nail selecting sliding block of the nail selecting mechanism reaches a preset position, a nail box corresponding to the type of the screw executes a nail discharging program, and the screw of the selected type is sent to a feeding end of the nail selecting mechanism;
s4: after the selected type of screw enters the screw selecting mechanism, a screw selecting sliding block of the screw selecting mechanism is transferred to a screw feeding mechanism of the rhinestone tightening equipment, so that the selected type of screw enters the screw feeding mechanism;
s5: the screw feeding mechanism feeds the screw with the selected type into a drill gun of the flow drill screwing equipment;
s6: and repeating the steps S2 to S5 until the execution of the screw selecting and feeding program of the screw to be selected in the preset program is finished.
3. The method for selecting screws of a flow drill tightening device according to claim 2, wherein: in step S2, the specific method for controlling the staple selection position of the staple selection mechanism includes the following steps:
s2.1: the nail selecting and positioning mechanism works to drive the execution end of the nail selecting and positioning mechanism to move along the length direction of the nail selecting box;
s2.2: when the screw selecting slide block reaches the position of a screw box discharge port corresponding to the screw of the selected type, a position sensor for detecting the in-place position of the position acts, and a corresponding position signal is transmitted to a control system of the flow drill screwing equipment;
s2.3: and the control system of the flow drill tightening equipment controls the nail selecting and positioning mechanism to suspend working, and starts the corresponding nail box to execute the nail feeding process.
4. The method for selecting screws of a flow drill tightening device according to claim 2, wherein: in step S3, the specific method for feeding staples from the staple box includes the following steps:
s3.1: a vibration mechanism in the nail box conveys a screw in the nail box into a nail conveying pipe;
s3.2: in the process of natural falling of the screw, the screw passing sensor detects the passing of the screw and transmits a detection signal to a control system of the flow drill screwing equipment;
s3.3: and a control system of the flow drill screwing equipment starts a high-pressure gas conveying mechanism in the nail box to work, high-pressure gas is blown to the discharge end of the nail box, and the screw is pushed into the nail selecting mechanism and falls into the nail selecting sliding block.
5. The method for selecting screws of a flow drill tightening device according to claim 2, wherein: in step S4, the method for controlling the staple feeding position of the staple selecting mechanism specifically includes the following steps:
s4.1: after the screw falls into the screw selecting sliding block, a detection sensor in the screw selecting sliding block is triggered to act, and a corresponding detection signal is transmitted to a control system of the flow drill screwing equipment;
s4.2: the control system of the flow drill screwing equipment controls the corresponding nail box to pause working, and the nail selecting mechanism is started again to work to drive the nail selecting slide block to move reversely along the length direction of the nail selecting box;
s4.3: when the nail selecting slide block reaches the position of a feed port of the nail feeding mechanism, a position sensor for detecting the in-place position of the position acts, and a corresponding position signal is transmitted to a control system of the flow drill screwing equipment;
s4.4: and the control system of the flow drill screwing device controls the nail selecting and positioning mechanism to suspend working, and the screw naturally falls into the feed port of the nail feeding mechanism.
6. The method for selecting screws of a flow drill tightening device according to claim 2, wherein: in step S5, the staple feeding method of the staple feeding mechanism specifically includes the following steps:
s5.1: in the process that the screw naturally falls to the bottom in the screw conveying pipeline, the screw passing sensor detects that the screw passes through, and corresponding detection signals are transmitted to a control system of the flow drill screwing-down equipment;
s5.2: a control system of the flow drill screwing equipment starts a valve terminal to work, so that the interior of the nail feeding pipeline is communicated with a high-pressure air supply pipeline, the bottom of the nail feeding pipeline is filled with high-pressure air, and a screw is pushed to enter a drill gun clamping part provided with a detection sensor;
s5.3: after a detection sensor at the clamping part of the drill gun detects the screw, a detection signal is transmitted to a control system of the flow drill screwing equipment;
s5.4: and a control system of the flow drill screwing equipment closes the valve island and starts a drill gun to perform the processes of screw clamping and screw screwing.
CN201910582702.8A 2019-06-28 2019-06-28 Device and method for selecting and delivering multi-type screws by flow drill screwing equipment Active CN110340647B (en)

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Application Number Priority Date Filing Date Title
CN201910582702.8A CN110340647B (en) 2019-06-28 2019-06-28 Device and method for selecting and delivering multi-type screws by flow drill screwing equipment

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CN110340647B true CN110340647B (en) 2022-06-03

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