Full-automatic center-through screw machine

Abstract

The utility model discloses a through full-automatic screw machine. The truss manipulator carries the locking device to perform screw locking on the to-be-assembled workpiece, the jacking and positioning mechanism is arranged, the to-be-assembled workpiece is jacked and positioned along with the tool bottom plate, so that the workpiece is accurately positioned, the workpiece is photographed through the CCD visual guiding device, the actual screw hole position is calculated, and the position of the screw hole is accurately positioned. Therefore, the manipulator is guided to carry the locking device to accurately align the screw to a product screw hole and tighten the screw. A conveying device is arranged on the partition plate and used for conveying the tool bottom plate; the conveying device is parallel to the X-axis sliding rail and is arranged below the truss; the conveying device comprises a belt, a roller and a driving device; the belt is connected with the roller; the tool plate is arranged on the belt, the tool bottom plate is driven by the belt to move, the tool bottom plate is accurately limited through the stopper and the jacking positioning mechanism, and therefore automatic conveying and positioning of the tool plate are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to screw machine technical field, especially relates to a middle pass full-automatic screw machine. BACKGROUND

[0002] The working principle of the screw machine mainly depends on its automatic feeding mechanism and automatic locking mechanism. The automatic feeding mechanism, also known as a screw aligner or screw feeder, is responsible for screening and providing screws; and the automatic locking mechanism is responsible for taking and locking screws. The structure of the screw machine can generally be divided into a feeding part and an electric driver part, wherein the feeding part is responsible for the alignment and conveying of screws, and the electric driver part is responsible for the tightening of screws. With the development of science and technology, screw machines are widely used in mechanical manufacturing, automobile industry, electronics, and electrical manufacturing.

[0003] However, at present, due to the upgrading and adjustment of the production line, the replacement of screw machines cannot keep up with the adjustment of the production line, so the existing screw machines cannot be well adapted to the production line. INVENTION CONTENTS

[0004] The purpose of the present application is to provide a middle pass full-automatic screw machine to solve the problem that the existing screw machine cannot be well integrated into the automated production line.

[0005] The technical solution adopted by the utility model is as follows: a middle pass full-automatic screw machine, comprising: a truss manipulator for positioning screws, the truss manipulator being arranged on a partition plate through a truss; the truss manipulator comprises a three-axis sliding rail and a locking device, the three-axis sliding rail comprises an X-axis sliding rail, a Y-axis sliding rail, and a Z-axis sliding rail, the X-axis sliding rail and the Y-axis sliding rail being arranged on the truss, and the Z-axis sliding rail being arranged on the X-axis sliding rail; the locking device is arranged on the Z-axis sliding rail, and the locking device is used for locking screws;

[0006] A jacking positioning mechanism is arranged below the truss for lifting and positioning a tooling bottom plate, and the tooling bottom plate is used for positioning a workpiece.

[0007] The jacking positioning mechanism is arranged on the partition plate, and the truss manipulator is arranged above the jacking positioning mechanism.

[0008] Due to the above structure, the screws are positioned by the truss manipulator, and the tooling bottom plate is lifted and positioned by the jacking positioning mechanism, so that the screws and the tooling bottom plate can be accurately matched, thereby realizing the automatic locking of the screw machine and accurately positioning the screws and the workpiece.

[0009] Further, in order to accurately position the screws and the tooling bottom plate, a locking device is arranged to accurately position the screws, and the locking device comprises an intelligent electric driver, a vacuum device, and a suction nozzle device.

[0010] The intelligent electric screwdriver is connected with the suction nozzle device, and the screw is sucked and positioned by the suction nozzle device, and the screw is rotated and tightened by the intelligent electric screwdriver;

[0011] The vacuum device is used for sucking the screw and detecting whether the screw is on the suction nozzle device;

[0012] The suction nozzle device comprises a suction nozzle floating mechanism and a screw suction nozzle, the screw suction nozzle is connected with the intelligent electric screwdriver through the suction nozzle floating mechanism, the screw is adsorbed by the screw suction nozzle to be locked, and the suction nozzle floating mechanism is used for controlling the screw to move in the vertical direction.

[0013] Further, in order to realize the production line automation, the partition plate is provided with a conveying device, and the conveying device is used for conveying the tooling bottom plate; the conveying device is arranged in parallel with the X-axis sliding rail, and the conveying device is arranged below the truss; the conveying device comprises a belt, a roller and a driving device, the belt is connected with the roller, and the roller is driven to rotate by the driving device; the tooling bottom plate is arranged on the belt, and the tooling bottom plate is moved by the belt conveying.

[0014] Further, in order to accurately position the tooling bottom plate, the partition plate is further provided with a stopper for limiting the tooling bottom plate, the stopper is arranged on one side close to the end of the conveying belt, and the stopper is arranged on one side of the jacking positioning mechanism, and the connecting line of the jacking positioning mechanism and the stopper is parallel to the conveying device.

[0015] Further, in order to accurately match the screw with the workpiece to be assembled, the truss is perpendicular to the conveying device, the Y-axis sliding rail is parallel to the truss, and the X-axis sliding rail is perpendicular to the conveying device.

[0016] Further, in order to realize automatic screw supply, the partition plate is further provided with a support, and the support is provided with a screw feeding device and a torque testing instrument; the screw feeding device is used for providing screws for the screw machine, and the screw feeding device is connected with the support through a pressing plate screw, and the torque testing instrument is used for point inspection of the torque of the intelligent electric screwdriver.

[0017] Further, the screw limiting turntable is arranged on one side of the screw feeding device close to the truss mechanical hand, and is used for accurately positioning the screw.

[0018] Further, in order to accurately position the screw hole of the workpiece to be assembled, the locking device is provided with a CCD visual guiding device, and the CCD visual guiding device is used for guiding the movement of the truss mechanical hand.

[0019] Further, in order to automatically lock the screw, the locking device further comprises a chuck, and the chuck is used for connecting the screw; the chuck is connected with the intelligent electric screwdriver, and the chuck is moved in the vertical direction by the intelligent electric screwdriver.

[0020] Further, in order to accurately position the screw and the bit, the vacuum device comprises a vacuum generator, a vacuum filter and a vacuum degree detection sensor, the vacuum generator is arranged above the vacuum filter; the vacuum degree detection sensor is used for detecting whether there is a screw on the suction nozzle device.

[0021] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0022] 1. The truss manipulator is used for positioning the screw, and the jacking positioning mechanism is arranged to lift and position the tooling bottom plate, so that the screw and the workpiece to be assembled can be accurately matched, thereby realizing the automatic positioning and locking of the screw machine.

[0023] 2. The conveying device is arranged on the partition plate to convey the tooling bottom plate; the conveying device is arranged in parallel with the X-axis sliding rail and below the truss; the conveying device comprises a belt, a roller and a driving device; the belt is connected with the roller and driven by the driving device to rotate the roller; the tooling bottom plate is arranged on the belt and moved by the belt. The tooling bottom plate is moved by the belt, and the tooling bottom plate is accurately positioned by the stopper and the jacking positioning mechanism, thereby realizing the automatic conveying and positioning of the tooling bottom plate. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0025] Figure 1 The truss manipulator and the jacking positioning mechanism of the present application are shown in the schematic diagram.

[0026] Figure 2 The partition plate structure of the present application is shown in the schematic diagram.

[0027] Figure 3 The conveying device structure of the present application is shown in the schematic diagram.

[0028] Figure 4 The tooling bottom plate positioning structure of the present application is shown in the schematic diagram.

[0029] Figure 5 The jacking positioning mechanism structure of the present application is shown in the schematic diagram.

[0030] Figure 6 The bracket device structure of the present application is shown in the schematic diagram.

[0031] Figure 7Structure schematic diagram of screw feeding and torque testing instrument;

[0032] Figure 8 Structure schematic diagram of locking device;

[0033] Figure 9 Structure schematic diagram of whole device.

[0034] Fig. 1, truss manipulator; 2, truss; 3, locking device; 4, conveying device; 5, screw feeding device; 6, torque testing instrument; 7, support; 8, jacking positioning mechanism; 9, blocker; 10, protective cover; 11, visual control interface; 12, electric control cabinet; 13, monitoring device;

[0035] 222, partition; 333, screw; 444, screw cap; 555, tooling bottom plate;

[0036] 101, X-axis slide rail; 102, Y-axis slide rail; 103, Z-axis slide rail;

[0037] 301, intelligent electric screwdriver; 302, vacuum generator; 303, vacuum filter; 304, vacuum degree detection sensor; 305, suction nozzle floating mechanism; 306, screw suction nozzle; 307, CCD visual guiding device; 308, bit head;

[0038] 501, pressing plate screw; 502, screw limiting turntable. DETAILED DESCRIPTION

[0039] The utility model will be described in detail below in combination with the drawings.

[0040] In order to make the utility model's purpose, technical scheme and advantage more clearly clear, the following combines the drawing and example, and this utility model is further detailedly explained.It should be understood that the specific example described here is only used to explain the utility model, and is not used to limit the utility model.

[0041] As Figure 1 shown, a full-automatic screw machine of Zhongtong includes truss manipulator 1 for positioning screw 333, and the truss manipulator 1 is arranged on partition 222 through truss 2; the truss manipulator 1 includes three-axis slide rail and locking device 3, the three-axis slide rail includes X-axis slide rail 101, Y-axis slide rail 102 and Z-axis slide rail 103, X-axis slide rail 101 and Y-axis slide rail 102 are arranged on truss 2, and Z-axis slide rail 103 is arranged on X-axis slide rail 101; locking device 3 is arranged on Z-axis slide rail 103, and the locking device 3 is used to lock screw 333;

[0042] A lifting positioning mechanism 8 is arranged below the truss 2 and is used to lift and position the tooling base plate 555, which is used to position the workpiece.

[0043] The lifting positioning mechanism 8 is arranged on the partition plate 222 and above the truss manipulator 1.

[0044] As shown in Figure 2 The partition plate 222 is further provided with a stopper 9, which is used to limit the tooling base plate 555. The stopper 9 is arranged on one side close to the end of the conveying belt and is arranged on one side of the lifting positioning mechanism 8. The connecting line of the lifting positioning mechanism 8 and the stopper 9 is parallel to the conveying device 4.

[0045] The working process is as follows: the tooling base plate 555 carrying the workpiece enters the middle-through full-automatic screw machine, is conveyed by the conveying device 4, and stops conveying when touching the stopper 9. The tooling base plate 555 is lifted by the lifting positioning mechanism 8, the truss manipulator 1 positions and moves the screw 333, and then locks the screw 333.

[0046] Embodiment 1

[0047] As shown in Figure 3 - Figure 5 In an embodiment of the utility model, the partition plate 222 is provided with a conveying device 4, which is used to convey the tooling base plate 555. The conveying device 4 is arranged parallel to the X-axis sliding rail 101 and below the truss 2.

[0048] The conveying device 4 comprises a belt, a roller and a driving device. The belt is connected with the roller, and the roller is driven to rotate by the driving device. The tooling base plate 555 is arranged on the belt and is moved by the belt.

[0049] The partition plate 222 is provided with a lifting positioning mechanism 8, which is used to lift and position the tooling base plate 555, and the tooling base plate 555 is used to position the workpiece. The lifting positioning mechanism 8 is arranged below the truss 2.

[0050] The partition plate 222 is further provided with a stopper 9, which is used to limit the tooling base plate 555. The stopper 9 is arranged on one side close to the end of the conveying belt and is arranged on one side of the lifting positioning mechanism 8. The connecting line of the lifting positioning mechanism 8 and the stopper 9 is parallel to the conveying device 4.

[0051] The workpiece is transported to the precise position by the blocking device 9 limiting the transportation of the workpiece base plate 555 of the conveying device 4, and then the workpiece is moved in the vertical direction by the lifting positioning mechanism 8, so that the workpiece base plate 555 is aligned with the screw 333, thereby guiding the mechanical hand to carry the screw 333 and the locking device 3 to realize accurate alignment of the screw 333 with the product screw hole and tightening.

[0052] The workpiece base plate 555 is transported and positioned by the blocking device 9, the lifting positioning mechanism 8 and the conveying device 4 on the partition plate 222, so that the position of the workpiece base plate 555 is accurately positioned.

[0053] Embodiment 2

[0054] As shown in Figure 6 - Figure 7 Another embodiment of the utility model is that the partition plate 222 is further provided with a support 7, and the support 7 is provided with a screw feeding device 5 and a torque testing instrument 6; the screw feeding device 5 is used to provide the screw 333 for the screw machine, and the screw feeding device 5 is connected with the support 7 through the pressing plate screw 501; and the torque testing instrument 6 is used for torque point inspection of the intelligent electric screwdriver 301.

[0055] The screw feeding device 5 is provided with a screw limiting turntable 502 on the side close to the truss mechanical hand 1, which is used for accurate positioning of the screw.

[0056] The support 7 can move on the conveying device 4, the screw feeding device 5 provides the screw 333 for the screw machine, and the screw feeding device 5 is detachably connected with the partition plate 222, and the screw feeding device 5 can be detached by unscrewing the pressing plate screw 501; the torque testing instrument 6 is used for positioning the support 7 as a whole, and the screw limiting turntable 502 is used for accurate positioning of the screw 333. Thus, the accuracy of the Zhongtong full-automatic screw machine is increased.

[0057] Embodiment 3

[0058] As shown in Figure 8 Another embodiment of the utility model is that the locking device comprises an intelligent electric screwdriver 301, a vacuum device and a suction nozzle device.

[0059] The intelligent electric screwdriver 301 is connected with the suction nozzle device, the screw 333 is sucked and positioned by the suction nozzle device, and the screw 333 is rotated and tightened by the intelligent electric screwdriver 301.

[0060] The intelligent electric screwdriver 301 can provide precise control of torque and angle. It can effectively monitor problems such as screw floating, missing locking and slipping teeth.

[0061] The locking device further comprises a chuck 308 for connecting a screw cap 444; the chuck 308 is connected with a pressing cylinder, and the chuck 308 is driven by the cylinder to move in the vertical direction.

[0062] The vacuum device is used for sucking the screw and detecting whether the screw 333 is on the suction nozzle device; the vacuum device comprises a vacuum generator 302, a vacuum filter 303 and a vacuum degree detection sensor 304, the vacuum generator 302 is arranged above the vacuum filter 303; and the vacuum degree detection sensor 304 is used for detecting whether the screw 333 is on the suction nozzle device.

[0063] The suction nozzle device comprises a suction nozzle floating mechanism 305 and a screw suction nozzle 306, the screw suction nozzle 306 is connected with the intelligent electric chuck 301 through the suction nozzle floating mechanism 305, the screw 333 is connected with the screw suction nozzle 306 to be locked, and the suction nozzle floating mechanism 305 is used for controlling the screw 333 to move in the vertical direction.

[0064] The suction nozzle adopts a deep guide hole design, so that the limiting area of the screw 333 is larger, the screw 333 is ensured not to be inclined, and the coaxiality of the screw 333 and the chuck 308 is ensured through vacuum degree auxiliary judgment.

[0065] The locking device is provided with a CCD visual guiding device 307, the CCD visual guiding device 307 is used for guiding the movement of the gantry mechanical arm 1. The CCD visual guiding mechanical arm is configured to move, so that the screw 333 is accurately positioned.

[0066] The screw 333 is positioned and locked by the locking device, the locking device slides on the three-axis slide rail, so that the screw 333 is on the same axis as the workpiece. The vacuum device can detect the accurate positioning of the screw 333 and the workpiece through the vacuum generator 302 and the vacuum degree detection sensor 304.

[0067] Embodiment 4

[0068] As Figure 9 shown, on the basis of the foregoing embodiments, the utility model further can adopt the following setting mode, in order to visualize the working process, and control the working process, the screw machine is externally provided with the protective cover 10, is provided with visual control interface 11 on the protective cover 10;The protective cover is arranged above the electric control cabinet 12;And the monitoring device 13 is arranged on the protective cover 10, is used for real-time monitoring the working process.

[0069] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A center-feed automatic screw machine characterized by comprising: The screw machine comprises: A truss manipulator for positioning screws, the truss manipulator being arranged on a partition plate through a truss; the truss manipulator comprises a three-axis slide rail and a locking device, the three-axis slide rail comprising an X-axis slide rail, a Y-axis slide rail and a Z-axis slide rail, the X-axis slide rail and the Y-axis slide rail being arranged on the truss, and the Z-axis slide rail being arranged on the X-axis slide rail; the locking device is arranged on the Z-axis slide rail, and the locking device is used for locking screws; A jacking positioning mechanism for lifting and positioning a tooling bottom plate, and the tooling bottom plate is used for positioning a workpiece, the jacking positioning mechanism being arranged below the truss; The jacking positioning mechanism is arranged on the partition plate, and the truss manipulator is arranged above the jacking positioning mechanism.

2. The center-feed automatic screw machine of claim 1, wherein, The locking device comprises an intelligent electric screwdriver, a vacuum device and a suction nozzle device; The intelligent electric screwdriver is connected with the suction nozzle device, screws are sucked and positioned by the suction nozzle device, and the screws are rotated and tightened by the intelligent electric screwdriver; The vacuum device is used for sucking screws and detecting whether there are screws on the suction nozzle device; The suction nozzle device comprises a suction nozzle floating mechanism and a screw suction nozzle, the screw suction nozzle is connected with the intelligent electric screwdriver through the suction nozzle floating mechanism, screws are sucked and locked by the screw suction nozzle, and the suction nozzle floating mechanism is used for controlling the movement of the screws in the vertical direction.

3. The center-feed automatic screw machine of claim 1 wherein, A conveying device is arranged on the partition plate, and the conveying device is used for conveying the tooling bottom plate; the conveying device is arranged parallel to the X-axis slide rail, and the conveying device is arranged below the truss; The conveying device comprises a belt, a roller and a driving device, the belt is connected with the roller, and the roller is driven to rotate by the driving device; the tooling bottom plate is arranged on the belt, and the tooling bottom plate is moved by the belt.

4. The center-feed automatic screw machine of claim 3 wherein, A stopper is further arranged on the partition plate, and the stopper is used for limiting the tooling bottom plate; the stopper is arranged on one side close to the end of the conveying belt, and the stopper is arranged on one side of the jacking positioning mechanism; the connecting line between the jacking positioning mechanism and the stopper is parallel to the conveying device.

5. The center-feed automatic screw machine of claim 3 wherein, The truss is perpendicular to the conveying device, the Y-axis slide rail is parallel to the truss, and the X-axis slide rail is perpendicular to the conveying device.

6. The center-feed automatic screw machine of claim 4 wherein, A support is further arranged on the partition plate, and a screw feeding device and a torque testing instrument are arranged on the support; the screw feeding device is used for providing screws for the screw machine, and the screw feeding device is connected with the support through a pressing plate screw; the torque testing instrument is used for testing the torque of the intelligent electric screwdriver.

7. A center-feed automatic screw machine according to claim 6 wherein, A screw limiting turntable is arranged on one side of the screw feeding device close to the truss manipulator, and the screw limiting turntable is used for accurately positioning the screws.

8. The center-feed automatic screw machine according to claim 2, wherein, A CCD visual guiding device is arranged on the locking device, and the CCD visual guiding device is used for guiding the movement of the truss manipulator.

9. The center-feed automatic screw machine according to claim 2, wherein, The locking device further comprises a bit head, and the bit head is used for connecting a screw cap; the bit head is connected with the intelligent electric screwdriver, and the bit head is moved in the vertical direction by the intelligent electric screwdriver.

10. The center-feed automatic screw machine of claim 9, wherein, The vacuum device comprises a vacuum generator, a vacuum filter and a vacuum degree detection sensor, the vacuum generator being arranged above the vacuum filter; the vacuum degree detection sensor is used for detecting whether there are screws on the suction nozzle device.

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