CN211661471U - Screw and nut combined machine - Google Patents

Abstract

The utility model discloses a screw and nut combination machine, which comprises a frame, a carrying mechanism, a locking platform, a screw distributing mechanism and a nut distributing mechanism, wherein the carrying mechanism comprises a carrying driving device, get the screw device, lock attaches device and row's material ware, get the screw device, lock attaches device and row's material ware and respectively installs in transport drive arrangement output, screw feed mechanism and nut feed mechanism respectively include the vibration dish, with the transport passageway of vibration dish butt joint and with the feed divider of transport passageway butt joint, transport drive arrangement orders about to get the screw device and take off a nut to lock on attaching the platform from screw feed mechanism feed divider department, transport drive arrangement orders about to lock attaches the device and take off a nut to the screw from nut feed mechanism feed divider department, lock attaches the device and lock and attach and detect lock and attach the quality to screw and nut, transport drive arrangement orders about to arrange the material ware and takes away and attach the quality bad processing product through detecting the lock. The utility model discloses a screw nut combination machine has the advantage of the automatic bad work piece of arranging.

Description

Screw and nut combined machine

Technical Field

The utility model relates to an automatic beat the screw equipment field, especially relate to a screw nut combination machine.

Background

Screws are commonly used fasteners for connecting two or more components of a product. Along with the automatic transformation and upgrading of the manufacturing industry in China, a large number of suitable assembly robots are urgently needed in the production and manufacturing process to improve the production efficiency and quality, and therefore screw locking equipment is provided to achieve automatic screw locking. When the existing screw machine locks screw nuts, when the screw nuts are badly locked, the screw nuts need to be manually discharged, and the production automation and the production efficiency are influenced.

Therefore, there is a need for a screw and nut combining machine capable of automatically discharging defective products to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can be to the automatic screw nut combination machine of arranging of defective products.

In order to achieve the above object, the screw and nut combination machine of the present invention comprises a frame, and a carrying mechanism, a locking platform, a screw distributing mechanism and a nut distributing mechanism respectively mounted on the frame, wherein the locking platform is disposed between the screw distributing mechanism and the nut distributing mechanism, the carrying mechanism is disposed above the locking platform, the carrying mechanism comprises a carrying driving device, a screw taking device, a locking device and a discharger, the screw taking device, the locking device and the discharger are respectively mounted at an output end of the carrying driving device, the screw distributing mechanism and the nut distributing mechanism respectively comprise a vibrating disk, a conveying channel butted with the vibrating disk and a distributing device butted with the conveying channel, the carrying driving device drives the screw taking device to take off a nut from the distributing device in the screw distributing mechanism to the locking platform, the carrying driving device drives the locking device to take down a nut from the material distributing device in the nut material distributing mechanism to the screw, the locking device locks the screw and the nut and detects the locking quality of the screw and the nut, and the carrying driving device drives the discharger to take away a processed product with poor locking quality.

Preferably, the screw taking device comprises a sliding table cylinder, a clamping finger cylinder and a pair of clamping pieces, the sliding table cylinder is mounted at the output end of the carrying driving device, the clamping finger cylinder is mounted at the output end of the sliding table cylinder, the sliding table cylinder drives the clamping finger cylinder to move up and down, the clamping pieces are correspondingly mounted at one output end of the clamping finger cylinder, and the clamping finger cylinder drives the two clamping pieces to move away or close relatively.

Preferably, the lock attaches the device including the cylinder that slides, lock attach the electricity and criticize, the mounting panel that slides and a distance monitor, the cylinder that slides install in transport drive arrangement's output, the mounting panel that slides install in the output of the cylinder that slides, the cylinder that slides orders about the mounting panel that slides reciprocates, lock attach the electricity and criticize install in the mounting panel that slides, lock attach the electricity and criticize the screw nut and lock and attach and detect the torsion between the screw nut, the distance monitor monitors the stretch out stroke of cylinder piston rod that slides or lock attach the motion stroke of electricity and criticize.

Preferably, the lock attaching electric screwdriver comprises an electric screwdriver main body and a magnetic extractor, the electric screwdriver main body is mounted on the sliding mounting plate, the magnetic extractor is mounted at the output end of the electric screwdriver main body, and the electric screwdriver main body drives the magnetic extractor to rotate.

Preferably, the discharger comprises an assembly frame and an electromagnetic material taking device, the assembly frame is arranged on the sliding installation plate, and the electromagnetic material taking device is arranged on the assembly frame and positioned beside the magnetic suction device.

Preferably, the carrying driving device includes a carrying frame, a carrying driver, a carrying transmission assembly and a carrying plate, the carrying frame is mounted on the frame, the carrying driver and the carrying transmission assembly are mounted on the carrying frame respectively, an output end of the carrying driver is connected to an input end of the carrying transmission assembly, the carrying plate is mounted at an output end of the carrying transmission assembly, the carrying driving device drives the carrying plate to move along the left and right directions of the frame, and the screw taking device and the locking device are mounted on the carrying plate respectively.

Preferably, the utility model discloses a screw nut combination machine still includes platform drive exchange device, the lock attaches the platform and is equipped with two sets ofly, two the lock attaches the platform and follows the fore-and-aft direction of frame is and separates each other and arranges, the lock attach the platform respectively install in platform drive exchange device's output, platform drive exchange device exchanges two selectively the lock attaches the position of platform.

Preferably, the conveying channel includes first positioning walls arranged in parallel at intervals in pairs, the nut distributing mechanism is suitable for conveying and positioning nuts with edges and corners, the nuts include a head and a body, the periphery of the head is bent downwards to form positioning portions, the bent portions of the periphery of the head form the edges and corners, and the head is clamped on the first positioning walls in the nut distributing mechanism so that the positioning portions are clamped on the outer sides of the first positioning walls.

Preferably, the material distributing device comprises a base and a sliding assembly mounted on the base, a butt joint notch in butt joint with the conveying channel is formed in the base, the sliding assembly comprises a sliding block and a sliding driver, the sliding block is mounted at an output end of the sliding driver, the sliding block is provided with a feeding notch, the sliding block is driven to slide between a first position where the feeding notch is in butt joint with the butt joint notch and a second position where the feeding notch is staggered with the butt joint notch, and the sliding driver drives the sliding block to switch between the first position and the second position.

Preferably, the feed divider in the nut feed mechanism further includes a jacking assembly facing the lower side of the second position, the jacking assembly includes a jacking driver and a jacking block, the base is provided with a through hole at the second position, the jacking block is penetrated in the through hole, the jacking block is installed at the output end of the jacking driver, and the jacking driver drives the jacking block to move up and down to jack the nut located in the feeding notch.

Preferably, the feed divider further comprises a proximity sensor arranged in the base, and the sliding assembly is electrically connected with the proximity sensor.

Preferably, the butt-joint notch in the material-separating device of the nut material-separating mechanism is provided with second positioning walls arranged in parallel in pairs, and the second positioning walls are butted with the first positioning walls.

Preferably, the feeding notch in the material distributing device of the nut distributing mechanism is provided with third positioning walls arranged in parallel in pairs, and the third positioning walls are butted with the second positioning walls when the sliding block is driven by the sliding driver to slide to the first position.

Compared with the prior art, the screw and nut combination machine of the utility model comprises a frame, and a carrying mechanism, a locking platform, a screw distributing mechanism and a nut distributing mechanism which are respectively arranged on the frame, wherein the locking platform is arranged between the screw distributing mechanism and the nut distributing mechanism, the carrying mechanism is arranged above the locking platform, the carrying mechanism comprises a carrying driving device, a screw taking device, a locking device and a discharger, the screw taking device, the locking device and the discharger are respectively arranged at the output end of the carrying driving device, the screw distributing mechanism comprises a vibrating disc, a conveying channel and a distributing device, the nut distributing mechanism comprises a vibrating disc, a conveying channel and a distributing device, the vibrating disc is butted with the conveying channel, the conveying channel is butted with the distributing device, the carrying driving device drives the screw taking device to take a nut from the distributing device in the screw distributing mechanism to the locking platform, the carrying driving device drives the locking device to take a nut from the distributing device in the nut distributing mechanism to the screw, the lock attaches the device and locks the lock that attaches and detect screw and nut and attach the quality to screw and nut, and transport drive arrangement orders about the discharger and takies away and attaches the bad work piece of quality through detecting the lock, so the screw nut combination machine of the utility model can guarantee the processingquality of each work piece to realized that the material is arranged to the defective products is automatic, improved production efficiency.

Drawings

Fig. 1 is a schematic perspective view of the screw and nut combination machine of the present invention.

Fig. 2 is a schematic perspective view of the screw and nut combining machine of fig. 1 at another angle.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 1.

Fig. 4 is a schematic perspective view of the nut distributing mechanism in the screw and nut combining machine of the present invention.

Fig. 5 is a schematic perspective view of the nut distributing mechanism in fig. 4 after the distributing device is hidden.

Fig. 6 is a schematic perspective view of the nut distributing mechanism in fig. 4 after the vibrating plate and the conveying channel of the nut distributing mechanism are hidden.

Fig. 7 is a rear sectional view taken along the line B-B of fig. 6.

Fig. 8 is a schematic view of the three-dimensional structure of the screw distributing mechanism in the screw and nut combining machine of the present invention.

FIG. 9 is a perspective view of a ribbed nut

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

As shown in fig. 1 and fig. 2, the screw and nut combining machine 100 of the present invention includes a frame 10, and a carrying mechanism 20, a locking platform 30, a screw separating mechanism 40 and a nut separating mechanism 50 respectively mounted on the frame 10, wherein the locking platform 30 is disposed between the screw separating mechanism 40 and the nut separating mechanism 50, the carrying mechanism 20 is disposed above the locking platform 30, the carrying mechanism 20 includes a carrying driving device 21, a screw fetching device 22, a locking device 23 and a discharger 24, the screw fetching device 22, the locking device 23 and the discharger 24 are respectively mounted at an output end of the carrying driving device 21, the screw separating mechanism 40 includes a vibrating disc 61, a conveying channel 62 and a separating device 63, the nut separating mechanism 50 includes a vibrating disc 61 ', a conveying channel 62' and a separating device 63 ', the vibrating disc (61, 61') is abutted to the conveying channel (62, 62 '), and the conveying channel (62', 62), 62 ') is butted with the material separating devices (63, 63 '), the conveying driving device 21 drives the screw taking device 22 to take a nut 200 from the material separating device 63 of the screw material separating mechanism 40 to the locking platform 30, the conveying driving device 21 drives the locking device 23 to take a nut 200 from the material separating device 63 ' of the nut material separating mechanism 50 to the screw 300, the locking device 23 locks the screw 300 and the nut 200 and detects the locking quality of the screw 300 and the nut 200, and the conveying driving device 21 drives the discharger 24 to take the processed product with poor locking quality, so the screw and nut combined machine 100 can ensure the processing quality of each processed product, realize the automation of defective product discharge and improve the production efficiency. It is understood that the vibrating discs (61, 61 ') are well known to those skilled in the art and therefore will not be described herein, and a vibrator (622, 622') is installed below the conveying channel (62, 62 '), so that the screw 300 and the nut 200 on the conveying channel (62, 62') are rapidly vibrated to the material separating device (63, 63 ') by the vibrator (622, 622'). Specifically, the utility model discloses a screw nut combination machine 100 still includes platform drive exchange device 70, and lock attaches the platform 30 and is equipped with two sets ofly, and two locks attach the platform 30 and be along the fore-and-aft direction of frame 10 and separate each other and arrange, and the lock attaches the platform 30 and respectively installs in the output of platform drive exchange device 70, and platform drive exchange device 70 exchanges two locks and attaches the position of platform 30 selectively to be convenient for carry out the business turn over material to the work piece that the lock attached on the platform 30, reduce standby time. The platform driving and exchanging device 70 is a translation driving device commonly used in current machining equipment, such as a combination of a motor and a belt, but not limited thereto. More specifically, the following:

as shown in fig. 1 to 3, the screw taking device 22 includes a sliding table cylinder 221, a finger clamping cylinder 222 and a pair of clamping members 223, the sliding table cylinder 221 is installed at the output end of the carrying driving device 21, the finger clamping cylinder 222 is installed at the output end of the sliding table cylinder 221, the sliding table cylinder 221 drives the finger clamping cylinder 222 to move up and down, the clamping members 223 are correspondingly installed at one output end of the finger clamping cylinder 222, and the finger clamping cylinder 222 drives the two clamping members 223 to move away from or close to each other, so that the screw taking device 22 has a simple structure and is convenient for taking the screw 300. Specifically, the locking device 23 includes a sliding cylinder 231, a locking electric screwdriver 232, a sliding mounting plate 233 and a distance monitor 234, the sliding cylinder 231 is installed at the output end of the carrying driving device 21, the sliding mounting plate 233 is installed at the output end of the sliding cylinder 231, the sliding cylinder 231 drives the sliding mounting plate 233 to move up and down, the locking electric screwdriver 232 is installed at the sliding mounting plate 233, the locking electric screwdriver 232 locks the screw 300 and the nut 200 and detects the torsion between the screw 300 and the nut 200, the distance monitor 234 monitors the extending stroke of the piston rod of the sliding cylinder 231, and the distance monitor 234 can monitor the moving stroke of the locking electric screwdriver 232 according to actual requirements, so the invention is not limited thereto. Therefore, the locking device 23 has a simple structure and can conveniently detect a processing product with poor locking. When the locking electric screwdriver 232 detects that the torque force between the screw 300 and the nut 200 reaches a certain value, and the distance monitor 234 detects that the extending stroke of the piston rod of the sliding cylinder 231 deviates from the normal extending value, the screw 300 and the nut 200 are determined to be defective products. More specifically, the locking batch 232 includes a batch main body 2321 and a magnetic extractor 2322, the batch main body 2321 is mounted on the sliding mounting plate 233, the magnetic extractor 2322 is mounted at an output end of the batch main body 2321, the batch main body 2321 drives the magnetic extractor 2322 to rotate, for example, the magnetic extractor 2322 takes the nut 200 by way of electromagnetic extraction, and of course, the magnetic extractor 2322 may also be made of a magnetic material to make it magnetic, so that the invention is not limited thereto. Preferably, the discharger 24 includes a jig 241 and an electromagnetic discharger 242, the jig 241 is mounted to the slide mounting plate 233, and the electromagnetic discharger 242 is mounted to the jig 241 and located beside the magnetic attractor 2322, so that the discharger 24 has a simple structure, and when a bad locking between the screw 300 and the nut 200 is detected, the defective product can be conveniently removed using the electromagnetic discharger 242. According to the actual requirement, the electromagnetic material extractor 242 may be made of a material with magnetism, and the defective product is removed without electromagnetic absorption, so as to simplify the structure of the discharger 24, but not limited thereto.

As shown in fig. 1 to fig. 3, the carrying driving device 21 includes a carrying frame 211, a carrying driver 212, a carrying transmission assembly (not shown) and a carrying plate 213, the carrying frame 211 is mounted on the frame 10, the carrying driver 212 and the carrying transmission assembly are respectively mounted on the carrying frame 211, an output end of the carrying driver 212 is connected to an input end of the carrying transmission assembly, the carrying plate 213 is mounted on an output end of the carrying transmission assembly, the carrying driving device 21 drives the carrying plate 213 to move along the left and right directions of the frame 10, and the screw taking device 22 and the locking device 23 are respectively mounted on the carrying plate 213, so that the carrying driving device 21 has a simple structure, is easy to arrange and mount, and can facilitate the movement of the screw taking device. For example, the carrying driver 212 is a motor, and the carrying transmission component is a pulley set, but not limited thereto.

As shown in fig. 4 to 9, the material separating device 63 includes a base 631 and a sliding assembly 632, the material separating device 63 'includes a base 631' and a sliding assembly 632 ', the sliding assembly (632, 632') is mounted on the base (631, 631 '), the base (631, 631') is provided with an abutting notch (633, 633 ') abutting against the conveying channel (62, 62'), the sliding assembly 632 includes a slider 6321 and a sliding driver 6322, the sliding assembly 632 'includes a slider 6321' and a sliding driver 6322 ', the slider (6321, 6321') is mounted at an output end of the sliding driver (6322, 6322 '), the slider (6321, 6321') is provided with a feeding notch (634, 634 '), the slider (6321, 6321') is driven to slide between a first position where the feeding notch (634, 634 ') abuts against the abutting notch (633, 633') and a second position where the feeding notch (634, 633 ') is staggered with the abutting notch (634, 633'),633), the sliding drivers (6322, 6322 ') drive the sliders (6321, 6321 ') to switch between the first position and the second position, so that the screws 300 located on the conveying channel 62 can be conveyed to the corresponding docking notches 633, and finally, the screws are clamped into the feeding notches 634 one by one, the nuts 200 located on the conveying channel 62 ' can be conveyed to the corresponding docking notches 633 ', and finally, the nuts are clamped into the feeding notches 634 ' one by one, so that the nuts 200 and the screws 300 can be conveyed orderly, and subsequent grabbing is facilitated. Specifically, the conveying channel 62 includes first positioning walls 621 arranged in parallel and at an interval, the conveying channel 62 ' includes first positioning walls 621 ' arranged in parallel and at an interval, the nut distribution mechanism 50 is adapted to convey and position nuts 200 with edges and corners, the nuts 200 include a head portion 201 and a body portion 202, the periphery of the head portion 201 is bent downward to form a positioning portion 203, the periphery of the head portion 201 is bent to form an edge 204, the head portion 201 is clamped on the first positioning walls 621 ' to clamp the positioning portion 203 on the outer side of the first positioning walls 621 ', so that when the vibration plate 61 ' vibrates, with the help of the first positioning wall 621 ', the head 201 of the fastener 200 is clamped on the first positioning wall 621 ', so that the corner 204 does not contact with the first positioning wall 621 ', only the positioning portion 203 is clamped on two sides of the first positioning wall 621 ', the positioning portion 203 is supported, and the fastener 200 is sequentially conveyed to the material distribution device 63 ' in a vibrating manner. During the conveying process of the screw 300, the screw 300 is placed between the two first positioning walls 621 for conveying, so that the conveying of the screw 300 is smooth and orderly. In order to facilitate grasping the nuts 200 separated from the material separating device 63 ', the material separating device 63 ' further includes a jacking assembly 64 ' facing the lower portion of the second position, the jacking assembly 64 ' includes a jacking driver 641 ' and a jacking block 642 ', a through hole is formed in the second position of the base 631 ', the jacking block 642 ' is inserted into the through hole, the jacking block 642 ' is installed at the output end of the jacking driver 641 ', and the jacking driver 641 ' drives the jacking block 642 ' to move up and down to jack up the nuts 200 located in the feeding notches 634 '. More specifically, the feed divider 63 further includes a proximity sensor 635 built in the base 631, the feed divider 63 'further includes a proximity sensor 635' built in the base 631 ', the sliding assembly (632, 632') is electrically connected to the proximity sensor (635, 635 '), the proximity sensor 635 is used for sensing whether the screw 300 is about to reach the docking notch 633, and the proximity sensor 635' is used for sensing whether the nut 200 is about to reach the docking notch 633 ', so that the sliders (6321, 6321') slide to the first position early, the feed notch 634 is convenient to receive the screw 300 from the docking notch 633, and the feed notch 634 'is also convenient to receive the nut 200 from the docking notch 633'.

As shown in fig. 4, 6 and 7, the docking notch 633 ' is provided with a pair of second positioning walls 636 ' arranged in parallel, and the second positioning walls 636 ' are docked with the first positioning walls 621 ', so that after the docking notch 633 ' receives the nut 200 conveyed out by the conveying channel 62 ', the nut 200 is snapped into the second positioning walls 636 ', so that the nut 200 is effectively positioned. Specifically, the feeding notch 634 ' is provided with third positioning walls 637 ' arranged in parallel in pairs, and when the slider 6321 ' is driven by the sliding driver 6322 ' to slide to the first position, the third positioning walls 637 ' are abutted with the second positioning walls 636 ', so that after the feeding notch 634 ' receives the nut delivered from the abutting notch 633 ', the nut 200 is clamped in the third positioning walls 637 ', so that the nut 200 is effectively positioned.

The working principle of the screw and nut combining machine 100 of the present invention is explained with reference to fig. 1 to 9: the vibrating disk 61 vibrates the screw 300 into the conveying channel 62, the vibrator 622 vibrates the screw 300 of the conveying channel 62 into the material separating device 63, and in the process, the first positioning wall 621 positions the screw 300. After the screws 300 are delivered to the docking notches 633 one by one, when the proximity sensor 635 detects that the screws 300 are approaching, the sliding driver 6322 drives the sliding block 6321 to slide to the first position, at this time, the feeding notch 634 docks with the docking notch 633 so as to catch the approaching screws 300, the proximity sensor 635 detects that the screws 300 have reached the feeding notch 634, and the sliding driver 6322 drives the sliding block 6321 to slide to the second position. Simultaneously, the vibrating disk 61 'vibrates the nut 200 into the conveying channel 62', the vibrator 622 'vibrates the nut 200 of the conveying channel 62' into the separator 63 ', in the process, the first positioning wall 621' positions the nut 200, the nut 200 is transferred from the first positioning wall 621 'to the second positioning wall 636' by means of the second positioning wall 636 'in the abutting notch 633' on the base 631 'during the engagement process of the nut 200 from the conveying channel 62' into the separator 63 ', when the proximity sensor 635' detects that the nut 200 is about to approach, the slide driver 6322 'drives the slide 6321' to slide to the first position, the third positioning wall 637 'abuts against the second positioning wall 636', thereby receiving the approaching nut 200, the proximity sensor 635 detects that the nut 200 'reaches the third positioning wall 637', the slide driver 6321 slides to the second position, the jacking driver 641 'drives the jacking block 642' to ascend, so as to jack up the nut 200. The carrying driving device 21 drives the screw taking device 22 to move to above the feeding gap 634, then the sliding table cylinder 221 drives the clamping finger cylinder 222 to move downward, the clamping finger cylinder 222 drives the two clamping members 223 to clamp the screws 300 at the feeding gap 634, and then the carrying driving device 21 drives the screw taking device 22 to move into the locking platform 30. The conveying driving device 21 drives the locking device 23 to move to above the feeding gap 634 ', then the sliding cylinder 231 drives the sliding mounting plate 233 to slide downwards, so that the magnetic extractor 2322 in the locking electric batch 232 extracts a nut 200 on the feeding gap 634', then the conveying driving device 21 drives the attached device 23 to move to above the screw 300, the sliding cylinder 231 drives the sliding mounting plate 233 to slide downwards, the electric batch main body 2321 drives the magnetic extractor 2322 to rotate so as to screw the nut 200 onto the screw 300, meanwhile, the electric batch main body 2321 carries out torsion detection on the screw 300 and the nut 200, when the torsion between the screw 300 and the nut 200 reaches a certain value and the distance monitor 234 detects that the extending stroke of the piston rod of the sliding cylinder 231 deviates from the normal extending value, the locked screw 300 and nut 200 are judged as defective products, and then the discharger 24 is started to make the discharger 24 absorb the defective products, the carrying driver 212 drives the carrying transmission assembly to move, so as to drive the bearing plate 213 to be far away from the locking platform 30, so as to eliminate defective products, and then the above actions are repeated to combine the screw 300 and the nut 200, and the working principle is as described above.

Compared with the prior art, the screw and nut combining machine 100 of the present invention includes a frame 10, and a carrying mechanism 20, a locking platform 30, a screw separating mechanism 40 and a nut separating mechanism 50 respectively mounted on the frame 10, wherein the locking platform 30 is disposed between the screw separating mechanism 40 and the nut separating mechanism 50, the carrying mechanism 20 is disposed above the locking platform 30, the carrying mechanism 20 includes a carrying driving device 21, a screw taking device 22, a locking device 23 and a discharging device 24, the screw taking device 22, the locking device 23 and the discharging device 24 are respectively mounted at the output end of the carrying driving device 21, the screw separating mechanism 40 includes a vibrating disk 61, a conveying channel 62 and a separating device 63, the nut separating mechanism 50 includes a vibrating disk 61 ', a conveying channel 62 ' and a separating device 63 ', the vibrating disk (61, 61) is butted with the conveying channel (62, 62 '), and the separating device (63 '), 63 ') is butted, the carrying driving device 21 drives the screw taking device 22 to take down a nut 200 from the material separating device 63 of the screw material separating mechanism 40 to the locking platform 30, the carrying driving device 21 drives the locking device 23 to take down a nut 200 from the material separating device 63' of the nut material separating mechanism 50 to the screw 300, the locking device 23 locks the screw 300 and the nut 200 and detects the locking quality of the screw 300 and the nut 200, and the carrying driving device 21 drives the discharger 24 to take away a processed product with poor locking quality, so the screw and nut combined machine 100 can ensure the processing quality of each processed product, realize the automation of defective product discharge and improve the production efficiency.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims (13)

1. The utility model provides a screw nut combination machine which characterized in that: the screw conveying mechanism comprises a rack, a conveying mechanism, a locking platform, a screw distributing mechanism and a nut distributing mechanism, wherein the conveying mechanism, the locking platform, the screw distributing mechanism and the nut distributing mechanism are respectively arranged on the rack, the conveying mechanism is arranged above the locking platform and comprises a conveying driving device, a screw taking device, a locking device and a discharger, the screw taking device, the locking device and the discharger are respectively arranged at the output end of the conveying driving device, the screw distributing mechanism and the nut distributing mechanism respectively comprise a vibration disc, a conveying channel in butt joint with the vibration disc and a distributing device in butt joint with the conveying channel, the conveying driving device drives the screw taking device to take a nut from the distributing device in the screw distributing mechanism to the locking platform, the conveying driving device drives the locking device to take a nut from the distributing device in the nut distributing mechanism to the screw, the locking device locks the screw and the nut and detects the locking quality of the screw and the nut, and the carrying driving device drives the discharger to take away the processed product with poor locking quality.

2. The screw and nut combination machine according to claim 1, wherein the screw taking device comprises a sliding table cylinder, a clamping finger cylinder and a pair of clamping members, the sliding table cylinder is mounted at the output end of the carrying driving device, the clamping finger cylinder is mounted at the output end of the sliding table cylinder, the sliding table cylinder drives the clamping finger cylinder to move up and down, the clamping members are correspondingly mounted at one output end of the clamping finger cylinder, and the clamping finger cylinder drives the two clamping members to move away from or approach to each other relatively.

3. The screw and nut combining machine according to claim 1, wherein the locking device comprises a sliding cylinder, a locking electric screwdriver, a sliding mounting plate and a distance monitor, the sliding cylinder is mounted at the output end of the carrying driving device, the sliding mounting plate is mounted at the output end of the sliding cylinder, the sliding cylinder drives the sliding mounting plate to move up and down, the locking electric screwdriver is mounted on the sliding mounting plate, the locking electric screwdriver locks the screw nuts and detects the torsion force between the screw nuts, and the distance monitor monitors the extending stroke of the piston rod of the sliding cylinder or the moving stroke of the locking electric screwdriver.

4. The screw and nut assembly machine of claim 3 wherein said lock attaching screwdriver includes a screwdriver body and a magnetic extractor, said screwdriver body is mounted to said sliding mounting plate, said magnetic extractor is mounted to an output end of said screwdriver body, said screwdriver body drives said magnetic extractor to rotate.

5. The screw and nut combining machine of claim 4 wherein said discharger comprises a jig mounted to said slidable mounting plate and an electromagnetic extractor mounted to said jig and located beside said magnetic extractor.

6. The screw and nut combining machine according to claim 1, wherein the carrying driving device comprises a carrying frame, a carrying driver, a carrying transmission assembly and a carrying plate, the carrying frame is mounted on the machine frame, the carrying driver and the carrying transmission assembly are mounted on the carrying frame respectively, an output end of the carrying driver is connected to an input end of the carrying transmission assembly, the carrying plate is mounted on an output end of the carrying transmission assembly, the carrying driving device drives the carrying plate to move in a left-right direction of the machine frame, and the screw taking device and the locking device are mounted on the carrying plate respectively.

7. The screw and nut combining machine according to claim 1, further comprising two sets of platform driving and exchanging devices, wherein the two sets of locking platforms are arranged in a manner of being spaced apart from each other along a front-rear direction of the rack, the locking platforms are respectively installed at output ends of the platform driving and exchanging devices, and the platform driving and exchanging devices selectively exchange positions of the two sets of locking platforms.

8. The screw and nut combining machine according to claim 1, wherein the conveying channel includes first positioning walls arranged in parallel and at intervals in pairs, the nut distributing mechanism is adapted to convey and position nuts with edges and corners, the nuts include a head portion and a body portion, the periphery of the head portion is bent downward to form a positioning portion, the bent portion of the periphery of the head portion forms the edges and corners, and the head portion is clamped on the first positioning walls in the nut distributing mechanism so that the positioning portion is clamped on the outer sides of the first positioning walls.

9. The screw and nut combining machine according to claim 8, wherein the material distributing device includes a base and a sliding assembly mounted on the base, the base is provided with a butt joint gap for butt joint with the conveying passage, the sliding assembly includes a sliding block and a sliding driver, the sliding block is mounted at an output end of the sliding driver, the sliding block is provided with a feeding gap, the sliding block is driven to slide between a first position where the feeding gap is in butt joint with the butt joint gap and a second position where the feeding gap is staggered with the butt joint gap, and the sliding driver drives the sliding block to switch between the first position and the second position.

10. The screw and nut combination machine according to claim 9, wherein the nut distributing mechanism further includes a jacking assembly facing the lower portion of the second position, the jacking assembly includes a jacking driver and a jacking block, the base has a through hole at the second position, the jacking block is inserted into the through hole, the jacking block is mounted at an output end of the jacking driver, and the jacking driver drives the jacking block to move up and down to jack the nut located in the feeding notch.

11. The screw and nut assembly machine of claim 9 wherein said feed divider further includes a proximity sensor built into said base, said glide assembly being electrically connected to said proximity sensor.

12. The screw and nut assembly machine of claim 9 wherein the mating notches in the feed divider of the nut feed mechanism are provided with second locating walls arranged in parallel in pairs, the second locating walls mating with the first locating walls.

13. The screw and nut combining machine of claim 12 wherein the feed gap in the feed device of the nut distributing mechanism is provided with a pair of third positioning walls arranged in parallel, the third positioning walls abutting the second positioning walls when the slide block is driven by the slide driver to slide to the first position.

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