CN217193767U

CN217193767U - Device for automatically fastening bolt and nut

Info

Publication number: CN217193767U
Application number: CN202123140888.3U
Authority: CN
Inventors: 张平宇; 王英; 张雅婕
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-08-16
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses an automatic bolt and nut fastening device, which comprises a nut feeding assembly, a bolt feeding assembly, an assembling assembly and a discharging assembly; the nut feeding assembly and the bolt feeding assembly are connected with the assembly through material conveying channels, and the blanking assembly is matched with the assembly for use and used for collecting the formed parts after assembly; through the scheme, the efficiency of manual prefabrication and assembly is about 1 ten thousand pieces/person/day, after the equipment is used, full-automatic assembly is achieved, the interference of artificial unstable factors is avoided, the efficiency can reach 4 ten thousand pieces/machine/day, and the efficiency is improved by 300%. Both reduced the reliance to artifical, simultaneously lower to the requirement in operational environment place, can 24 hours all-weather work, greatly improved efficiency, can be more abundant satisfy different customers' demand.

Description

Device for automatically fastening bolt and nut

Technical Field

The utility model belongs to the technical field of preassembly technique and specifically relates to an automatic change device of fastening bolt and nut.

Background

The automatic assembly refers to an assembly technology which replaces manual labor with an automatic machine. Automated assembly techniques assemble machinery with robots, while requiring flexible peripherals.

During the assembly process, the automated assembly can complete the following operations: parts are transmitted, positioned and connected; the parts are fixed with each other by press fitting or fastening screws and nuts; the assembly size is controlled, and the connection or fixation quality of parts is ensured; the assembled parts or products are transported and packed or stacked in containers, etc.

At present, with the improvement of the degree of mechanization of the country, the demand of the automatic assembly market for pre-assembly parts is increased day by day, the manual preparation of the pre-assembly parts is required to consume a large amount of manpower and time, and the quality stability of the pre-assembly parts and the consistency of products are influenced by the proficiency degree of manpower, technical cognition and environment and are difficult to ensure. Resulting in inefficiency and difficulty in meeting the customer's requirements for using the preform. For the market of bolt and nut matching, the equipment which can replace manpower and can stably and effectively carry out bolt and nut preassembly and tightening for a long time is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at: to above-mentioned problem, provide a device of automatic fastening bolt and nut, solved among the prior art to preassemble inefficiency, consume the big problem of manpower resources.

The utility model discloses a realize through following scheme:

an automatic bolt and nut fastening device comprises a nut feeding assembly, a bolt feeding assembly, an assembling assembly and a discharging assembly; nut material loading subassembly and bolt material loading subassembly all pass through material transfer channel with the assembly subassembly and are connected, the unloading subassembly uses with the cooperation of assembly subassembly, collects the forming part after the assembly is accomplished.

Based on the structure of the automatic nut screwing equipment, the bolt feeding assembly comprises a bolt containing hopper, a main supporting frame, a feeding conveying assembly, a scraping plate and a conveying rail; the feeding conveying assembly is connected with the main support frame, the position of the outlet end of the bolt containing hopper is opposite to the feeding conveying assembly, one end of the scraping plate is close to the feeding conveying assembly, and the other end of the scraping plate is connected with the conveying rail; the feeding conveying assembly is provided with a magnetic part.

Based on the structure of above-mentioned automatic nut equipment of screwing up, material loading conveying subassembly includes the conveyer belt and rotates the wheel, it is connected with the main tributary strut to rotate the wheel, the conveyer belt sets up and rotates between the wheel at two, be provided with the magnetic adsorption piece on the conveyer belt, the magnetic adsorption piece evenly sets up along the length direction of conveyer belt.

Based on the structure of the automatic nut screwing equipment, the transmission rail comprises a material baffle plate, a sliding rail and a limiting cover; the striker plates are arranged on two sides of the sliding rails, the sliding rails are integrally arranged in an arc shape, and screw grooves are arranged between the sliding rails; the limiting cover is arranged at the position, close to the tail end, of the sliding rail.

Based on the structure of the automatic nut screwing equipment, the nut feeding assembly comprises a nut containing groove first driving cylinder, a pressure plate and a nut conveying channel, and the nut conveying channel is communicated with the nut containing groove; the pressure plate is arranged in the nut containing groove, and a through groove for the telescopic rod of the first driving cylinder to penetrate through is further formed in the bottom of the nut containing groove.

Based on the structure of the automatic nut screwing equipment, the telescopic rod of the first driving cylinder is connected with the pressure plate through the elastic component; the one end that nut transfer passage kept away from nut flourishing silo is provided with the nut discharge gate, can assemble in can carrying the assembly subassembly with waiting to assemble the nut through the nut discharge gate.

Based on the structure of the automatic nut screwing equipment, the assembly component comprises a bolt taking part, a bolt pushing part, a nut pushing part and a rotating assembly part; the bolt is got material portion and is set up the downside position at the transmission rail, and the discharge end of transmission rail is got material portion with the bolt and just right, bolt promotion portion sets up the front side position at rotation assembly portion, nut promotion portion sets up the rear side position at rotation assembly portion.

Based on the structure of the automatic nut screwing equipment, the bolt taking part comprises a second driving cylinder, a conveying block and a supporting frame; the second driving cylinder is connected with the conveying block, and the support frame part is arranged in the conveying block; the support frame is the arc structure, and support frame one end is articulated with the transport piece to set up the backup pad on the transport piece, be provided with supporting spring in the backup pad, the support frame passes through supporting spring and is connected with the backup pad.

Based on the structure of the automatic nut screwing device, the bolt pushing part comprises a third driving cylinder and a first pushing block, the third driving cylinder is connected with the first pushing block, and the third driving cylinder drives the first pushing block to move close to or far away from the rotating assembly part; the nut pushing part comprises a fourth driving cylinder and a second pushing block, the fourth driving cylinder is arranged at a position close to the nut conveying channel, and the fourth driving cylinder moves to drive the second pushing block to move away from or close to the nut discharging hole.

Based on the structure of the automatic nut screwing equipment, the rotating assembly part comprises a fixed outer frame, a rotating cylinder, a rotating belt and a power motor; the rotating cylinder is arranged in the fixed outer frame and connected through a rotating belt, and the rotating belt is connected with a power motor; a rotating hole is formed in the rotating cylinder, and the shape of the rotating hole is similar to that of a screw cap.

The first driving cylinder, the second driving cylinder, the third driving cylinder and the fourth driving cylinder can be driving devices such as hydraulic cylinders, oil cylinders or air cylinders.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. through the scheme, the efficiency of manual prefabrication and assembly is about 1 ten thousand pieces/person/day, after the equipment is used, the equipment is assembled in a full-automatic mode, the interference of artificial unstable factors is eliminated, the efficiency can reach 4 ten thousand pieces/machine/day, and the efficiency is improved by 300%. Both reduced the reliance to artifical, simultaneously lower to the requirement in operational environment place, can 24 hours all-weather work, greatly improved efficiency, can be more abundant satisfy different customers' demand.

2. The bolt and nut assembly fitting piece manufactured by the equipment is stronger in product consistency, more consistent in assembly form and position, and capable of adjusting the screwing distance and degree according to the requirements of customers, and is more suitable for different requirements of customers.

3. All driving methods in this scheme all adopt hydraulic drive, therefore holistic volume can be smaller, reduces the required space usable floor area of device.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

fig. 2 is a schematic side view of the nut feeding assembly of the present invention;

fig. 3 is a schematic side view of the transmission rail of the present invention;

fig. 4 is a schematic structural view of the bolt taking part of the present invention during bolt taking;

fig. 5 is a schematic structural view of the bolt taking part of the present invention during bolt transportation;

fig. 6 is a schematic structural view of the bolt feeding assembly according to the present invention;

FIG. 7 is a schematic side view of the whole structure of the present invention;

description of the drawings: 1. a nut feeding assembly; 2. a bolt feeding assembly; 3. assembling the components; 4. a blanking assembly; 101. a bolt material containing hopper; 102. a main supporting frame; 103. a feeding conveying assembly; 104. a scraping plate; 105. a transfer rail; 106. a conveyor belt; 107. a rotating wheel; 108. a magnetic adsorption block; 109. a striker plate; 110. A sliding rail; 111. a limiting cover; 112. a bolt slot; 201. a nut holding groove; 202. a first drive cylinder; 203. a material pressing plate; 204. a nut conveying channel; 205. a screw cap discharge hole; 31. a bolt material taking part; 32. A bolt pushing portion; 33. a nut pushing portion; 34. a rotation assembly part; 301. a second drive cylinder; 302. a conveying block; 303. a support frame; 304. a support plate; 305. a support spring; 321. a third drive cylinder; 322. a first pushing block; 331. a fourth drive cylinder; 332. a second pushing block; 341. fixing the outer frame; 342. a rotating drum; 343. a rotating belt; 344. the hole is rotated.

Detailed Description

All of the features disclosed in this specification, or all of the steps of any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the designated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

Example 1

As shown in fig. 1 to 7, an automatic bolt and nut fastening device includes a nut feeding assembly 1, a bolt feeding assembly 2, an assembling assembly 3 and a blanking assembly 4; nut material loading subassembly 1 and bolt material loading subassembly 2 all pass through material transfer channel with assembly subassembly 3 and are connected, unloading subassembly 4 uses with the cooperation of assembly subassembly 3, collects the forming part after the assembly is accomplished.

The bolt feeding assembly 2 comprises a bolt containing hopper 101, a main supporting frame 102, a feeding conveying assembly 103, a scraper plate 104 and a conveying rail 105; the feeding conveying assembly 103 is connected with the main supporting frame 102, the outlet end position of the bolt containing hopper 101 is opposite to the feeding conveying assembly 103, the scraping plate 104 is obliquely arranged, one end of the scraping plate 104 is close to the feeding conveying assembly 103, and the other end of the scraping plate 104 is connected with the conveying rail 105;

the feeding conveying assembly 103 comprises a conveying belt 106 and rotating wheels 107, the rotating wheels 107 are connected with the main supporting frame 102 through brackets, the conveying belt 106 is arranged between the two rotating wheels 107, and the conveying belt 106 is driven to move through the rotation of the rotating wheels 107;

the conveyor belt 106 is provided with magnetic adsorption blocks 108, and the magnetic adsorption blocks 108 are uniformly arranged along the length direction of the conveyor belt 106;

based on the structure, because the outlet end of the bolt containing hopper 101 is over against the feeding conveying assembly 103, when the rotating wheel 107 drives the conveying belt 106 to rotate, the bolts are adsorbed by the magnetic adsorption block 108 and then lifted to the scraping plate 104 at a high position, and because the scraping plate 104 is arranged close to the conveying belt 106, the bolts on the magnetic adsorption block 108 can be scraped off and then conveyed to the conveying rail 105, so that the automatic bolt feeding operation is completed;

the distance between the scraper 104 and the conveyor belt 106 is at least the thickness of the magnetic adsorption block 108; the high efficiency during scraping is ensured;

the transmission rail 105 comprises a material baffle plate 109, a sliding rail 110 and a limit cover 111; the striker plates 109 are arranged on two sides of the sliding rail 110, in order to reduce the production cost, in the embodiment, the striker plates 109 are only arranged at the front and rear positions of the scraper plate 104, so that the scraped bolts are prevented from falling; the sliding rails 110 are arranged in an arc shape as a whole, and bolt grooves 112 are arranged between the sliding rails 110; the limiting cover 111 is arranged at the position, close to the tail end, of the sliding rail 110;

based on the above structure, when the bolt drops from the scraper plate 104 to the sliding rail 110, due to the existence of the striker plate 109, the scraped bolt can sequentially enter the sliding groove, and when entering the sliding groove, the screw part of the bolt can enter the screw groove 112 to limit the bolt, and when the bolt is transmitted from high to low through the sliding rail 110 to the assembly component 3, the limiting cover 111 can prevent the bolt from dropping when the bolt reaches the bottom position.

The nut feeding assembly 1 comprises a nut containing groove 201, a first driving cylinder 202, a pressure plate 203 and a nut conveying channel 204, wherein the nut conveying channel 204 is arranged at the lower side of the nut containing groove 201, and the nut conveying channel 204 is communicated with the nut containing groove 201; the bottom of the nut containing groove 201 is also provided with supporting legs, and the nut feeding assembly 1 is supported by the supporting legs; the material pressing plate 203 is arranged in the nut containing groove 201, and the bottom of the nut containing groove 201 is also provided with a through groove for the telescopic rod of the first driving cylinder 202 to penetrate through;

the telescopic rod of the first driving cylinder 202 is connected with the pressure plate 203 through an elastic component; the nut conveying channel 204 is slightly larger than the size of the nut; the gap between the material pressing plate 203 and the nut containing groove 201 is slightly wider than the thickness of the nut conveying channel 204;

based on the structure, during assembly, the nut is poured into the nut containing groove 201, the pressing plate 203 is driven to stretch by the stretching of the first driving cylinder 202, the nut can automatically fall into the nut conveying channel 204 under the action of gravity in the process that the pressing plate 203 rises, and the nut can be pressed into the nut conveying channel 204 by the pressing plate 203 in the process that the pressing plate 203 falls, so that a space is reserved for the next falling of the nut; and the pressure plate can be prevented from being damaged by connecting the pressure plate 203 with the first driving cylinder 202 through the elastic assembly.

One end of the nut conveying channel 204, which is far away from the nut containing groove 201, is provided with a nut discharge hole 205, and a nut to be assembled can be conveyed to the assembly component 3 through the nut discharge hole 205 for assembly.

The assembly component 3 comprises a bolt taking part 31, a bolt pushing part 32, a nut pushing part 33 and a rotating assembly part 34; the bolt taking part 31 is arranged at the lower side position of the transmission rail 105, the discharging end of the transmission rail 105 is opposite to the bolt taking part 31, the bolt pushing part 32 is arranged at the front side position of the rotating assembly part 34, and the nut pushing part 33 is arranged at the rear side position of the rotating assembly part 34;

based on the structure, the bolt is taken by the bolt taking part 31, the bolt and the nut are synchronously sent to the rotating assembly part 34 by the bolt pushing part 32 and the nut pushing part 33 respectively for pre-tightening assembly operation, and the assembled bolt assembly is collected by the blanking assembly 4.

The bolt taking part 31 comprises a second driving cylinder 301, a conveying block 302 and a supporting frame 303; the second driving cylinder 301 is connected with the conveying block 302, and the supporting frame 303 is partially arranged in the conveying block 302; the support frame 303 is the arc structure, and support frame 303 one end is articulated with carrying piece 302 to carry and set up backup pad 304 on the piece 302, be provided with supporting spring 305 on the backup pad 304, support frame 303 passes through supporting spring 305 and is connected with backup pad 304.

Based on the structure, when the bolt feeding assembly is used, because the discharge hole of the bolt feeding assembly 2 is just opposite to the conveying block 302, when the second driving cylinder 301 drives the conveying block 302 to perform retraction movement, the bolt in the bolt feeding assembly 2 can fall into the supporting frame 303, and then the bolt falling into the supporting frame 303 is conveyed to the assembling position in the assembling assembly 3 in the extending process of the second driving cylinder 301. In the process that the conveying block 302 moves, the discharge hole of the bolt feeding assembly 2 is blocked by the outer surface of the conveying block 302, so that the bolt is prevented from falling.

The bolt pushing part 32 includes a third driving cylinder 321 and a first pushing block 322, the third driving cylinder 321 is connected to the first pushing block 322, and the third driving cylinder 321 drives the first pushing block 322 to move toward or away from the rotation assembling part 34.

Based on the above structure, when the bolt taking part 31 conveys the bolt to the preset position, the bolt is pushed by the third driving cylinder 321 to be sent to the rotating assembly part 34 for assembly;

the nut pushing portion 33 comprises a fourth driving cylinder 331 and a second pushing block 332, the fourth driving cylinder 331 is arranged at a position close to the nut conveying channel 204, the size of the second pushing block 332 is not larger than the size of the nut discharging port 205, the fourth driving cylinder 331 moves to drive the second pushing block 332 to move away from or close to the nut discharging port 205, and the second pushing block 332 can push nuts in the nut discharging port 205 to the rotating assembly portion 34 for assembly.

The rotation assembling portion 34 includes a fixed outer frame 341, a rotation cylinder 342, a rotation belt 343, and a power motor; the rotating cylinder 342 is arranged in the fixed outer frame 341, the rotating cylinder 342 is connected through a rotating belt 343, and the rotating belt 343 is connected with a power motor;

based on the structure, the power motor rotating belt 343 rotates the rotating belt 343 to synchronously drive the rotating cylinder 342 to perform limiting rotation in the fixed shell.

A rotating hole 344 is formed in the rotating cylinder 342, the shape of the rotating hole 344 is similar to that of a nut, and the aperture of the rotating hole 344 is slightly larger than that of the nut;

based on the structure, the nut pushing part 33 pushes the nut to the rotating hole 344 to synchronously rotate, the bolt pushing part 32 pushes the bolt to the front side position of the rotating part, the nut is automatically rotated into the bolt through the rotating cylinder 342, then the bolt taking part 31 retracts, and as the bolt partially enters the rotating cylinder 342 under the action of the bolt pushing part, the bolt pushing part is still in a bolt pushing state at the moment, and the bolt cannot move; when the bolt taking part 31 retracts, the supporting part will automatically retract downwards after receiving pressure, thereby ensuring that the bolt can be smoothly separated from the bolt taking part 31,

the bolt after the assembly, bolt pushing part retract, and the assembled bolt automatically falls into the blanking assembly 4 under the action of gravity to be collected.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an automatic change device of fastening bolt and nut which characterized in that: the bolt assembly device comprises a nut feeding assembly, a bolt feeding assembly, an assembling assembly and a discharging assembly; nut material loading subassembly and bolt material loading subassembly all pass through material transfer channel with the assembly subassembly and are connected, the unloading subassembly uses with the assembly subassembly cooperation, collects the formed part after the assembly is accomplished.

2. An automated bolt and nut tightening apparatus according to claim 1, wherein: the bolt feeding assembly comprises a bolt containing hopper, a main supporting frame, a feeding conveying assembly, a scraping plate and a conveying rail; the feeding conveying assembly is connected with the main support frame, the position of the outlet end of the bolt containing hopper is opposite to the feeding conveying assembly, one end of the scraping plate is close to the feeding conveying assembly, and the other end of the scraping plate is connected with the conveying rail; the feeding conveying assembly is provided with a magnetic part.

3. An automated bolt and nut tightening apparatus according to claim 2, wherein: the material loading conveying assembly comprises a conveying belt and rotating wheels, the rotating wheels are connected with the main support frame, the conveying belt is arranged between the two rotating wheels, magnetic adsorption blocks are arranged on the conveying belt, and the magnetic adsorption blocks are uniformly arranged along the length direction of the conveying belt.

4. An automated bolt and nut tightening apparatus according to claim 3, wherein: the transmission rail comprises a material baffle plate, a sliding rail and a limiting cover; the striker plates are arranged on two sides of the sliding rails, the sliding rails are integrally arranged in an arc shape, and screw grooves are arranged between the sliding rails; the limiting cover is arranged at the position, close to the tail end, of the sliding rail.

5. An automated bolt and nut tightening apparatus according to claim 4, wherein: the nut feeding assembly comprises a nut containing groove, a first driving cylinder, a material pressing plate and a nut conveying channel, and the nut conveying channel is communicated with the nut containing groove; the pressure plate is arranged in the nut containing groove, and a through groove for the telescopic rod of the first driving cylinder to penetrate through is further formed in the bottom of the nut containing groove.

6. An automated bolt and nut tightening apparatus according to claim 5, wherein: the telescopic rod of the first driving cylinder is connected with the pressure plate through an elastic component; the one end that nut transfer passage kept away from nut flourishing silo is provided with the nut discharge gate, can assemble in can carrying the assembly subassembly with waiting to assemble the nut through the nut discharge gate.

7. An automated bolt and nut tightening apparatus according to claim 6, wherein: the assembling component comprises a bolt taking part, a bolt pushing part, a nut pushing part and a rotating assembling part; the bolt is got material portion and is set up the downside position at the transmission rail, and the discharge end of transmission rail is got material portion with the bolt and just right, bolt promotion portion sets up the front side position at rotation assembly portion, nut promotion portion sets up the rear side position at rotation assembly portion.

8. An automated bolt and nut tightening apparatus according to claim 7, wherein: the bolt taking part comprises a second driving cylinder, a conveying block and a supporting frame; the second driving cylinder is connected with the conveying block, and the supporting frame part is arranged in the conveying block; the support frame is the arc structure, and support frame one end is articulated with the transport piece to set up the backup pad on the transport piece, be provided with supporting spring in the backup pad, the support frame passes through supporting spring and is connected with the backup pad.

9. An automated bolt and nut tightening apparatus according to claim 8, wherein: the bolt pushing part comprises a third driving cylinder and a first pushing block, the third driving cylinder is connected with the first pushing block, and the third driving cylinder drives the first pushing block to move close to or far away from the rotating assembly part; nut pushing part includes fourth driving cylinder and second and promotes the piece, fourth driving cylinder sets up and is being close to nut transfer passage department position, drives the second through the motion of fourth driving cylinder and promotes the piece and do the motion of keeping away from or being close to the nut discharge gate.

10. An automated bolt and nut tightening apparatus according to claim 9, wherein: the rotating assembly part comprises a fixed outer frame, a rotating cylinder, a rotating belt and a power motor; the rotating cylinder is arranged in the fixed outer frame and connected through a rotating belt, and the rotating belt is connected with a power motor; a rotating hole is formed in the rotating cylinder, and the shape of the rotating hole is matched with that of the screw cap.