A burr floating polishing device for bolt machining

Abstract

The application provides a burr floating polishing device for bolt processing, which comprises a base, a main support is arranged on one side of the top surface of the base, a threaded polishing motor is arranged on one side of the lower part of the main support, the output end of the threaded polishing motor is transmissionally connected with a threaded polishing mechanism, the lower end of the threaded polishing mechanism is arranged on the middle part of the top surface of the base, a finger cylinder is arranged on the other side of the middle part of the main support, an electric cylinder is arranged on one side of the upper part of the main support, the execution end of the electric cylinder is arranged on one end of the bottom surface of a bolt head polishing mechanism, and one end of the bolt head polishing mechanism is slidingly connected with the upper part of the main support. The threaded polishing mechanism and the bolt head polishing mechanism are matched to simultaneously polish the head and the thread of the bolt, which not only saves time and labor and reduces labor cost, but also simultaneously polishes the head and the thread of the bolt, the deburring effect is obvious, the equipment cost is reduced, and the production cost is indirectly reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bolt production equipment, in particular to a burr floating polishing equipment for bolt machining. BACKGROUND

[0002] Bolts are mechanical parts, consisting of a head and a screw rod (a cylindrical body with external threads), a type of fastener that needs to be matched with a nut for fastening and connecting two parts with through holes.

[0003] The existing manufacturing process of bolts generally adopts the process of forming first and then twisting. The forming adopts stamping equipment for rough stamping forming, and the twisting is processed on a conventional twisting machine. Therefore, burrs will be generated at the head and thread. However, the existing deburring equipment needs to be adjusted manually when processing hexagonal edge bolts, which is inconvenient to use and has a large workload.

[0004] According to the equipment provided in the three patent documents with application numbers CN202220887556.7, CN202121807381.6 and CN202220381350.7 as typical representatives of the prior art, the equipment is used for separately polishing the bolt head, separately polishing the thread, and polishing the whole bolt without distinction. It cannot simultaneously polish the bolt head and thread for targeted deburring, and has poor usability and cannot adapt to bolts of different sizes, which cannot meet the production requirements. SUMMARY

[0005] In view of the above problems, the present application provides a burr floating polishing equipment for bolt machining, which aims to solve the technical problems of time-consuming and laborious manual deburring of bolts, complicated operation in the prior art.

[0006] To achieve the above purpose, the present application provides the following technical scheme: a burr floating polishing equipment for bolt machining, comprising a base, a main support is arranged on one side of the top surface of the base, a thread polishing motor is arranged on one side of the lower part of the main support, the output end of the thread polishing motor is connected with a thread polishing mechanism, the lower end of the thread polishing mechanism is arranged in the middle of the top surface of the base, a finger cylinder is arranged on the other side of the middle part of the main support, an electric cylinder is arranged on one side of the upper part of the main support, the execution end of the electric cylinder is arranged on one end of the bottom surface of a bolt head polishing mechanism, and one end of the bolt head polishing mechanism is slidably connected to the upper part of the main support.

[0007] Further, the screw polishing mechanism comprises a fixed shaft gear, the lower end of the fixed shaft gear is arranged in the middle of the top surface of the base, the lower part of the fixed shaft gear is rotationally connected to the middle part of the screw polishing power rotating drum, the lower end of the screw polishing power rotating drum is drivingly connected to the output end of the screw polishing motor, the two sides of the screw polishing power rotating drum are slidingly connected to the lower part of the screw polishing floating unit respectively, and the upper end of the plurality of screw polishing floating units is respectively provided with a screw polishing self-adapting unit.

[0008] Further, the fixed shaft gear comprises a screw polishing main shaft, the lower end of the screw polishing main shaft is arranged in the middle of the top surface of the base, the upper end of the screw polishing main shaft is coaxially connected to a screw polishing fixed gear, the two sides of the screw polishing fixed gear are respectively engagedly connected to the middle part of the plurality of screw polishing floating units, and the outer side of the screw polishing main shaft is rotationally connected to the middle part of the screw polishing power rotating drum.

[0009] Further, the screw polishing power rotating drum comprises a rotating drum body, the lower end of the rotating drum body is provided with a belt pulley groove, the upper end of the rotating drum body is respectively provided with a screw polishing power rotating arm on the two sides, and one end of the plurality of screw polishing power rotating arms is respectively slidingly connected to the lower part of the plurality of screw polishing floating units.

[0010] Further, the screw polishing floating unit comprises a floating slide rod, the lower part of the floating slide rod is slidingly connected to one end of the screw polishing power rotating drum, the middle part of the floating slide rod is rotationally connected to a screw polishing transmission gear, one side of the screw polishing transmission gear is engagedly connected to one side of the fixed shaft gear, the top surface of the screw polishing transmission gear is provided with a screw polishing transmission rotating drum, the upper end of the screw polishing transmission rotating drum is drivingly connected to the screw polishing self-adapting unit, one side of the upper end of the floating slide rod is provided with a screw jacking rod, one end of the screw jacking rod is slidingly connected to a screw following block, and the inside of the screw following block is provided with a spring.

[0011] Further, the screw polishing self-adapting unit comprises a self-adapting first cantilever, one end of the self-adapting first cantilever is rotationally connected to the upper end of the screw polishing floating unit, the other end of the self-adapting first cantilever is rotationally connected to one end of a self-adapting second cantilever, the middle part of one end of the self-adapting first cantilever is slidingly connected to the middle part of a first transmission shaft, the lower end of the first transmission shaft is drivingly connected to the upper part of the screw polishing floating unit, the upper end of the first transmission shaft is drivingly connected to the upper end of a second transmission shaft, the middle part of the second transmission shaft is rotationally connected to the other end of the self-adapting second cantilever, and the middle part of the second transmission shaft is slidingly connected to a screw polishing wheel, one side of the other end of the self-adapting first cantilever is provided with a self-adapting tension spring, and one end of the self-adapting tension spring is arranged at one side of one end of the self-adapting second cantilever.

[0012] Further, the bolt head polishing mechanism comprises a polishing lifting block, the middle part of the polishing lifting block is slidably connected to the upper part of the main support, the bottom surface of the polishing lifting block is provided with the execution end of the electric cylinder, and one side of the polishing lifting block is provided with a plurality of bolt head polishing frames.

[0013] Further, the bolt head polishing mechanism comprises a polishing lifting block, the middle part of the polishing lifting block is slidably connected to the upper part of the main support, the bottom surface of the polishing lifting block is provided with the execution end of the electric cylinder, and one side of the polishing lifting block is provided with a plurality of bolt head polishing frames.

[0014] Further, the bolt head polishing mechanism comprises a polishing lifting block, the middle part of the polishing lifting block is slidably connected to the upper part of the main support, the bottom surface of the polishing lifting block is provided with the execution end of the electric cylinder, and one side of the polishing lifting block is provided with a plurality of bolt head polishing frames.

[0015] Further, the bolt head polishing mechanism comprises a polishing lifting block, the middle part of the polishing lifting block is slidably connected to the upper part of the main support, the bottom surface of the polishing lifting block is provided with the execution end of the electric cylinder, and one side of the polishing lifting block is provided with a plurality of bolt head polishing frames.

[0016] Compared with the prior art, the beneficial effects of the present application are:

[0017] Through the cooperation of the thread polishing mechanism and the bolt head polishing mechanism, the heads and threads of the bolts are simultaneously deburred and polished, which not only saves time and labor and reduces labor costs, but also simultaneously targets the heads and threads of the bolts for polishing, so that the deburring effect is obvious and the equipment cost is reduced, thereby indirectly reducing the production cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a schematic diagram of the appearance structure of the present application;

[0019] Fig. 2 is a schematic diagram of the appearance structure of the present application;

[0020] Fig. 3 is a schematic diagram of the thread polishing mechanism structure of the present application;

[0021] Fig. 4 is a schematic diagram of the thread polishing mechanism structure of the present application;

[0022] Fig. 5 is a schematic diagram of the thread polishing mechanism structure of the present application;

[0023] Fig. 6 is a schematic diagram of the thread polishing mechanism structure of the present application;

[0024] Fig. 7 is a schematic diagram of the bolt head polishing mechanism structure of the present application;

[0025] Figure 8 is a schematic diagram of the bolt head polishing unit structure of the present application.

[0026] Figure: 1, base; 2, main support; 3, thread polishing motor; 4, thread polishing mechanism; 41, fixed shaft gear; 411, thread polishing main shaft; 412, thread polishing fixed gear; 42, thread polishing power rotary drum; 421, rotary drum body; 422, pulley groove; 423, thread polishing power rotary arm; 43, thread polishing floating unit; 431, floating slide rod; 432, thread polishing transmission gear; 433, thread polishing transmission rotary drum; 434, thread top rod; 435, thread following block; 436, spring; 44, thread polishing adaptive unit; 441, adaptive first cantilever; 442, adaptive second cantilever; 443, first transmission shaft; 444, second transmission shaft; 445, thread polishing wheel; 446, adaptive tension spring; 5, finger air cylinder; 6, electric cylinder; 7, bolt head polishing mechanism; 71, polishing lifting block; 72, bolt head polishing frame; 73, bolt head polishing unit; 731, head polishing floating support; 732, polishing roller; 7321, roller cylinder; 7322, outer rotor motor; 733, head polishing tension spring. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present application, the present application will be described in more detail below with reference to the relevant drawings, which show several embodiments of the present application. However, the present application can be implemented in different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0028] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions as used herein are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The use of the terms "and / or" includes a combination of one or more of the associated listed items.

[0030] Embodiment, please refer to Figure 1-2, a kind of burr floating polishing equipment for bolt processing, including base 1, the top surface side of the base 1 is equipped with main support 2, the lower part side of the main support 2 is equipped with threaded polishing motor 3, the output end of the threaded polishing motor 3 is connected threaded polishing mechanism 4, the lower end of the threaded polishing mechanism 4 is located in the top surface middle part of the base 1, the middle part other side of the main support 2 is equipped with finger air cylinder 5, the upper part side of the main support 2 is equipped with electric cylinder 6, the execution end of the electric cylinder 6 is located in the bottom surface one end of bolt head polishing mechanism 7, one end of the bolt head polishing mechanism 7 is slidably connected to the upper part of the main support 2.

[0031] Please refer to the drawings 3-6, the thread grinding mechanism 4 includes fixed shaft gear 41, the lower end of the fixed shaft gear 41 is arranged in the middle of the top surface of the base 1, the lower part of the fixed shaft gear 41 is rotatably connected to the middle of the thread grinding power drum 42, the lower end of the thread grinding power drum 42 is drivingly connected to the output end of the thread grinding motor 3, the two sides of the thread grinding power drum 42 are respectively slidably connected to the lower part of the thread grinding floating unit 43, the upper end of the plurality of thread grinding floating units 43 is respectively provided with a thread grinding self-adapting unit 44, the top surface of the plurality of thread grinding self-adapting units 44 is arranged on the bottom surface of the upper limit ring of the transmission shaft, the bottom surface of the plurality of thread grinding self-adapting units 44 is arranged on the top surface of the lower limit ring of the transmission shaft, the thread grinding motor 3 drives the thread grinding power drum 42 to rotate, in turn drives the plurality of thread grinding floating units 43 to rotate, and further drives the plurality of thread grinding self-adapting units 44 to rotate, the fixed shaft gear 41 includes a thread grinding main shaft 411, the lower end of the thread grinding main shaft 411 is arranged in the middle of the top surface of the base 1, the upper end of the thread grinding main shaft 411 is coaxially connected to a thread grinding fixed gear 412, the two sides of the thread grinding fixed gear 412 are respectively engaged to the middle of the plurality of thread grinding floating units 43, the outer side of the thread grinding main shaft 411 is rotatably connected to the middle of the thread grinding power drum 42, the thread grinding power drum 42 includes a drum body 421, the lower end of the drum body 421 is provided with a belt pulley groove 422, the upper end of the drum body 421 is provided with a thread grinding power swing arm 423 on both sides, one end of the plurality of thread grinding power swing arms 423 is slidably connected to the lower part of the plurality of thread grinding floating units 43, the thread grinding floating unit 43 includes a floating slide rod 431, one end of the floating slide rod 431 is slidably connected to one end of the thread grinding power drum 42, the middle part of the floating slide rod 431 is rotatably connected to a thread grinding transmission gear 432, one side of the thread grinding transmission gear 432 is engaged to one side of the fixed shaft gear 41, the top surface of the thread grinding transmission gear 432 is provided with a thread grinding transmission drum 433, the upper end of the thread grinding transmission drum 433 is drivingly connected to the thread grinding self-adapting unit 44, one side of the upper end of the floating slide rod 431 is provided with a threaded jack 434, one end of the threaded jack 434 is slidably connected to a threaded following block 435, the inside of the threaded following block 435 is provided with a spring 436, when the plurality of thread grinding floating units 43 revolve around the fixed shaft gear 41, the thread grinding fixed gear 412 and the thread grinding transmission gear 432 are engaged to drive the thread grinding transmission drum 433 to rotate, and transmit the rotation force to the thread grinding self-adapting unit 44, at the same time, the plurality of threaded following blocks 435 are arranged in the thread of the bolt under the action of the spring 436, move upward along the thread direction in the rotation process, in turn drive the floating slide rod 431 to move upward,This causes multiple thread grinding adaptive units 44 to move upwards. Each thread grinding adaptive unit 44 includes an adaptive first cantilever 441, one end of which is rotatably connected to the upper end of the thread grinding floating unit 43, and the other end of which is rotatably connected to one end of an adaptive second cantilever 442. The middle of one end of the adaptive first cantilever 441 is slidably connected to the middle of a first drive shaft 443. The lower end of the first drive shaft 443 is drive-connected to the upper part of the thread grinding floating unit 43, and its upper end is drive-connected to the upper end of the second drive shaft 444. The middle of the second drive shaft 444 is rotatably connected to the other end of the adaptive second cantilever 442, and its middle section is slidably connected to a thread grinding wheel 445. An adaptive tension spring 446 is provided on one side of the other end of the adaptive first cantilever 441, with one end of the adaptive tension spring 446 located on one side of one end of the adaptive second cantilever 442. The first drive shaft 443... The upper end of the first drive shaft 443 and the upper end of the second drive shaft 444 are slidably connected to the bottom surface of the upper limit ring of the drive shaft. The lower ends of the first drive shaft 443 and the lower ends of the second drive shaft 444 are slidably connected to the top surface of the lower limit ring of the drive shaft. Through the cooperation of the adaptive tension spring 446 with the adaptive first cantilever 441 and the adaptive second cantilever 442, the thread grinding wheel 445 is always in contact with the bolt thread, thus adapting to bolts of different sizes. The thread grinding transmission drum 433 drives the first drive shaft 443 to rotate, which in turn drives the second drive shaft 444 to rotate, thereby driving the thread grinding wheel 445 to rotate, thus grinding the thread. During the grinding process, when the floating slide rod 431 drives the adaptive first cantilever 441 and the adaptive second cantilever 442 to move upward, the first drive shaft 443 and the second drive shaft 444 do not move with it under the action of the upper and lower limit rings and maintain transmission, so that the thread grinding wheel 445 moves upward while rotating and grinding.

[0032] Please refer to Figs. 7-8, the bolt head polishing mechanism 7 comprises a polishing lifting block 71, the middle part of the polishing lifting block 71 is slidingly connected to the upper part of the main support 2, one end of the bottom surface of the polishing lifting block 71 is provided at the execution end of the electric cylinder 6, one side of the polishing lifting block 71 is provided with a plurality of bolt head polishing frames 72, the top surface of each of the plurality of bolt head polishing frames 72 is respectively provided with a plurality of bolt head polishing units 73, the plurality of bolt head polishing frames 72 are arranged in a triangular shape, and the plurality of bolt head polishing frames 72 are arranged at 180° relative to each other, so that the three bolt head polishing units 73 on each bolt head polishing frame 72 are arranged in an equilateral triangle, and two layers are arranged at 180° relative to each other, that is, a regular hexagonal plan view is formed, so that the shape of the bolt head is obtained, the polishing lifting block 71 is driven by the electric cylinder 6 to move downward along the sliding groove, so that the three bolt head polishing units 73 on the lower bolt head polishing frame 72 first polish three edges of the bolt head, and then the three bolt head polishing units 73 on the upper bolt head polishing frame 72 first polish the other three edges of the bolt head, the bolt head polishing unit 73 comprises a head polishing floating support 731, one side of the head polishing floating support 731 is rotatably connected to one side of the top surface of the bolt head polishing frame 72, and the other side of the head polishing floating support 731 is provided with a polishing roller 732 at both ends, the bottom surface of the head polishing floating support 731 is provided with a plurality of head polishing tension springs 733, one end of each of the plurality of head polishing tension springs 733 is provided at the inner side of the bolt head polishing frame 72, so that the polishing roller 732 is always in contact with the bolt head through the plurality of head polishing tension springs 733, thereby adapting to bolts of different sizes, the polishing roller 732 comprises a roller cylinder 7321, the inside of the roller cylinder 7321 is provided with an external rotor motor 7322, a plurality of fixed ends of the external rotor motor 7322 are respectively provided at both ends of the other side of the head polishing floating support 731, the roller cylinder 7321 is driven to rotate by the external rotor motor 7322, thereby achieving deburring and polishing of the bolt head.

[0033] Principle of operation: First, the bolt is placed between the execution end of the finger cylinder 5, start the finger cylinder 5 bolt fixed; through the thread grinding motor 3 transmission thread grinding power rotating drum 42 rotation, in turn drive multiple thread grinding floating unit 43 rotation, in turn drive multiple thread grinding adaptive unit 44 rotation; multiple thread grinding floating unit 43 around the fixed axis gear 41 revolution, through thread grinding fixed gear 412 and thread grinding transmission gear 432 meshing drive thread grinding transmission rotating drum 433 rotation, and transmission thread grinding adaptive unit 44 rotation force, while multiple thread following block 435 in the spring 436 under the action of the bolt thread, in the process of rotation along the thread direction upward, thereby driving multiple thread grinding adaptive unit 44 upward movement; through the adaptive spring 446 and adaptive first cantilever 441, adaptive second cantilever 442 cooperation, so that the thread grinding wheel 445 always adhere to the bolt thread, so as to adapt to different size of bolt, through the thread grinding transmission rotating drum 433 transmission first transmission shaft 443 rotation, in turn transmission second transmission shaft 444 rotation, in turn drive thread grinding wheel 445 rotation, so as to thread grinding, grinding process when driving floating slide bar 431 drive adaptive first cantilever 441 and adaptive second cantilever 442 upward movement, the first transmission shaft 443 and the second transmission shaft 444 in the role of the upper and lower limit ring does not follow the movement and keep transmission, so that the thread grinding wheel 445 in the rotation of the grinding at the same time rising movement; through the outer rotor motor 7322 drive roller 7321 rotation, through the electric cylinder 6 drive grinding lifting block 71 along the groove downward movement, so that the lower bolt head grinding frame 72 on the three bolt head grinding unit 73 first on the three edges of the bolt head grinding, then the upper bolt head grinding frame 72 on the three bolt head grinding unit 73 first on the other three edges of the bolt head grinding.

[0034] The above description of the application is exemplary in conjunction with the drawings, it is obvious that the specific implementation of the present application is not limited to the above manner, as long as the method of using the concept and technical scheme of the present application for such non substantial improvement, or without improvement will be directly applied to other occasions of the concept and technical scheme of the present application, all within the scope of protection of the present application.

Claims

1. A floating burr grinding device for bolt processing, comprising a base (1), characterized in that: A main support (2) is provided on one side of the top surface of the base (1). A thread grinding motor (3) is provided on one side of the lower part of the main support (2). The output end of the thread grinding motor (3) is connected to the thread grinding mechanism (4). The lower end of the thread grinding mechanism (4) is located in the middle of the top surface of the base (1). A finger cylinder (5) is provided on the other side of the middle part of the main support (2). An electric cylinder (6) is provided on one side of the upper part of the main support (2). The execution end of the electric cylinder (6) is located at one end of the bottom surface of the bolt head grinding mechanism (7). One end of the bolt head grinding mechanism (7) is slidably connected to the upper part of the main support (2). The thread grinding mechanism (4) includes a fixed shaft gear (41), the lower end of which is located in the middle of the top surface of the base (1). The lower part of the fixed shaft gear (41) is rotatably connected to the middle of the thread grinding power drum (42). The lower end of the thread grinding power drum (42) is connected to the output end of the thread grinding motor (3). The lower parts of the thread grinding floating units (43) are slidably connected to both sides of the thread grinding power drum (42). The upper ends of the multiple thread grinding floating units (43) are respectively provided with thread grinding adaptive units (44). The floating unit (43) for thread grinding includes a floating slide rod (431). The lower part of the floating slide rod (431) is slidably connected to one end of the thread grinding power drum (42). The middle part of the floating slide rod (431) is rotatably connected to the thread grinding transmission gear (432). One side of the thread grinding transmission gear (432) is meshed with one side of the fixed shaft gear (41). The top surface of the thread grinding transmission gear (432) is provided with a thread grinding transmission drum (433). The upper end of the thread grinding transmission drum (433) is connected to the thread grinding adaptive unit (44). One side of the upper end of the floating slide rod (431) is provided with a threaded top rod (434). One end of the threaded top rod (434) is slidably connected to a threaded following block (435). The threaded following block (435) is provided with a spring (436) inside. The adaptive thread grinding unit (44) includes an adaptive first cantilever (441), one end of which is rotatably connected to the upper end of the thread grinding floating unit (43), and the other end of which is rotatably connected to one end of the adaptive second cantilever (442). The middle part of one end of the adaptive first cantilever (441) is slidably connected to the middle part of the first transmission shaft (443). The lower end of the first transmission shaft (443) is tractively connected to the upper part of the thread grinding floating unit (43), and its upper end is tractively connected to the upper end of the second transmission shaft (444). The middle part of the second transmission shaft (444) is rotatably connected to the other end of the adaptive second cantilever (442), and the middle part of which is slidably connected to the thread grinding wheel (445). An adaptive tension spring (446) is provided on one side of the other end of the adaptive first cantilever (441), and one end of the adaptive tension spring (446) is provided on one side of one end of the adaptive second cantilever (442).

2. The floating burr grinding equipment for bolt processing according to claim 1, characterized in that: The fixed shaft gear (41) includes a thread grinding spindle (411), the lower end of which is located in the middle of the top surface of the base (1), the upper end of which is coaxially connected to a thread grinding fixed gear (412), the two sides of which are respectively meshed with the middle of a plurality of thread grinding floating units (43), and the outer side of which is rotatably connected to the middle of the thread grinding power drum (42).

3. The floating burr grinding equipment for bolt processing according to claim 1, characterized in that: The thread grinding power drum (42) includes a drum body (421), the lower end of which is provided with a pulley groove (422), and the upper ends of the drum body (421) are respectively provided with thread grinding power rotating arms (423). One end of each of the multiple thread grinding power rotating arms (423) is slidably connected to the lower part of the multiple thread grinding floating units (43).

4. The floating burr grinding equipment for bolt processing according to claim 1, characterized in that: The bolt head grinding mechanism (7) includes a grinding lifting block (71), the middle part of which is slidably connected to the upper part of the main support (2). One end of the bottom surface of the grinding lifting block (71) is located at the execution end of the electric cylinder (6). A plurality of bolt head grinding frames (72) are provided on one side of the grinding lifting block (71), and a plurality of bolt head grinding units (73) are provided on the top surface of the plurality of bolt head grinding frames (72).

5. The floating burr grinding equipment for bolt processing according to claim 4, characterized in that: The bolt head grinding frames (72) are arranged in a triangular shape, and the bolt head grinding frames (72) are arranged to rotate 180° relative to each other.

6. The floating burr grinding equipment for bolt processing according to claim 4, characterized in that: The bolt head grinding unit (73) includes a head grinding floating bracket (731). One side of the head grinding floating bracket (731) is rotatably connected to one side of the top surface of the bolt head grinding frame (72), and the other two ends are respectively located at the two ends of the grinding roller (732). The bottom surface of the head grinding floating bracket (731) is provided with multiple head grinding tension springs (733), and one end of each of the multiple head grinding tension springs (733) is located inside the bolt head grinding frame (72).

7. The floating burr grinding equipment for bolt processing according to claim 6, characterized in that: The grinding roller (732) includes a roller (7321), and an external rotor motor (7322) is provided inside the roller (7321). Multiple fixed ends of the external rotor motor (7322) are respectively located at the other two ends of the head grinding floating bracket (731).

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