Automatic bolt tightening mechanical device

Abstract

The utility model relates to bolt processing technical field, concretely is a kind of bolt automatic tightening mechanical equipment, including support and blanking device, the upper surface of support is fixedly connected with assembly stand, the upper surface of assembly stand is fixedly connected with drive machine, the driving end of drive machine is fixedly connected with threaded rod, threaded rod is rotatably connected with assembly stand, the surface sliding connection of assembly stand has slide, the surface of slide is provided with threaded hole, threaded rod and the threaded hole screw thread connection of slide surface, the surface fixedly connected with tightening equipment of slide, the surface of support is provided with blanking device, blanking device includes slide, slide is fixedly connected with support, the surface of slide is provided with groove one, the inner wall sliding connection of groove one of slide surface has moving plate, the utility model is after bolt and nut tightening are completed, bolt is smoothly transported to recovery box, reduces manual intervention blanking, greatly improves production efficiency, reduces manpower cost, while ensuring the coherence and automation degree of entire production process.

Description

Technical Field

[0001] This utility model relates to the field of bolt processing technology, and in particular to an automatic bolt tightening machine. Background Technology

[0002] A bolt is a mechanical part, a cylindrical threaded fastener that is used with a nut. It consists of a head and a threaded shank and is used to fasten two parts with through holes. The connection is detachable. According to the connection force method, it is divided into two categories: ordinary and reamed hole bolts. According to the head shape, there are various types such as hexagonal head, round head, and square head bolts. Its performance grades are divided into multiple grades, with 8.8 grade and above being high-strength bolts. Bolts are widely used in daily life and industrial production and are known as "the rice of industry". From electronic products to construction bridges, many fields cannot do without them. After the bolts are manufactured, the bolts and nuts need to be tightened to test, so tightening machinery is required.

[0003] However, most existing tightening machinery lacks a reasonable material feeding structure, which easily leads to accumulation and jamming, reducing production efficiency. This is especially true for bolts with thicker threads or larger heads, which are prone to blockage. At the same time, if the inclination angle of the channel does not match the material flow characteristics, the bolts will slide down too slowly or even stop, causing accumulation. Utility Model Content

[0004] The purpose of this invention is to address the problem that most existing bolt tightening machines lack a reasonable material feeding structure, which easily leads to accumulation and jamming, reducing production efficiency. This is especially true for bolts with thick threads or large heads, which are prone to blockage. In addition, if the inclination angle of the channel does not conform to the material flow characteristics, the bolt will slide down too slowly or even stop, causing accumulation. Therefore, this invention proposes an automatic bolt tightening machine.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: an automatic bolt tightening machine, comprising a support and a feeding device, wherein an assembly frame is fixedly connected to the upper surface of the support, a drive motor is fixedly connected to the upper surface of the assembly frame, a threaded rod is fixedly connected to the drive end of the drive motor, the threaded rod is rotatably connected to the assembly frame, a sliding plate is slidably connected to the surface of the assembly frame, a threaded hole is formed on the surface of the sliding plate, the threaded rod is threadedly connected to the threaded hole on the surface of the sliding plate, a tightening device is fixedly connected to the surface of the sliding plate, and a feeding device is provided on the surface of the support, the feeding device comprising a slide block, the slide block being fixedly connected to the support, and so on. The slide block has a groove on its surface. A movable plate is slidably connected to the inner wall of the groove. A rack is fixedly connected to the lower surface of the movable plate. A motor is fixedly connected to the inner wall of the slide block. A gear is fixedly connected to the drive end of the motor. The gear meshes with the rack. A support plate is fixedly connected to the inner wall of the slide block. The support plate is located on the upper surface of the motor. A material discharge hole is provided on the surface of the movable plate. By setting up a material discharge device, after the bolts and nuts are tightened, the bolts are smoothly transported to the recycling bin, reducing manual intervention in material discharge, greatly improving production efficiency, reducing labor costs, and ensuring the continuity and automation of the entire production process.

[0006] Preferably, there are multiple discharge holes arranged in a linear array. By setting the discharge holes, the bolt can be accurately positioned to ensure that the bolt is in a specific position after insertion, thus providing a prerequisite for the accurate fitting and tightening of the nut.

[0007] Preferably, a recycling bin is provided on one side of the support, and a pull rod is fixedly connected to one end of the recycling bin. By setting up the recycling bin, after the bolt and nut are tightened, the motor drives the moving plate to move towards the recycling bin. When the bolt moves away from the support plate, the bolt that loses the support plate will fall into the recycling bin through the discharge hole.

[0008] Preferably, a plug plate is fixedly connected to one side of the recycling bin, and a slot 2 is provided at one end of the support near the plug plate. The plug plate is inserted into the slot 2 on one side of the support. By setting the plug plate, after the bolt is tightened, the motor drives the moving plate to transport the bolt to the top of the recycling bin, and the bolt falls into the recycling bin through the discharge hole.

[0009] Preferably, the surface of the slide is provided with a clamping assembly, which includes a moving groove. The moving groove is opened on both sides of the slide, and a connecting block is slidably connected to the inner wall of the moving groove. A cylinder is fixedly connected to the upper surface of the connecting block, and the cylinder is fixedly connected to the moving plate. By setting the clamping assembly, when the bolt is placed in the discharge hole, the cylinder drives the arc sleeve to firmly clamp it, preventing the bolt from shaking during the tightening process and causing positioning deviation, which would affect the normal fitting and tightening operation of the nut and bolt. This ensures the bolt tightening quality, reduces assembly errors and defect rates caused by unstable bolt positions, and improves the overall qualification rate and reliability of the product.

[0010] Preferably, the drive end of the cylinder is fixedly connected to an arc-shaped sleeve, the inner diameter of which is smaller than the inner diameter of the discharge hole. By setting the cylinder, when the bolt is placed in the discharge hole, the cylinder drives the arc-shaped sleeve to clamp and fix the bolt in the discharge hole, preventing it from shaking. This ensures that the bolt maintains an accurate position during the tightening process, which helps to improve the accuracy and quality of tightening the nut and bolt.

[0011] Preferably, there are two cylinders, which are arranged symmetrically.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, by setting up a feeding device, when in use, the bolt is placed in the feeding hole, the bolt is inserted into the feeding hole and abuts against the support plate, and then the motor drives the gear to rotate. While the gear is rotating, it squeezes the moving plate to slide along the slide block. When the moving plate moves the bolt to the bottom of the tightening device, the drive motor drives the threaded rod to rotate. The rotation of the threaded rod drives the tightening device to move downward and put the nut on the bolt. Then the tightening device drives the nut to rotate and tighten it with the bolt. At this time, the drive motor rotates in the opposite direction, drives the threaded rod to move the tightening device upward to reset, and the bolt and nut are tightened. Then the motor continues to drive the moving plate to move towards the recycling box until the bolt is away from the support plate. The bolt loses the support plate's support and falls through the feeding hole into the recycling box. Pulling the pull rod can pull out the insert plate and support, and remove the recycling box. By setting up a feeding device, after the bolt and nut are tightened, the bolt is smoothly transported to the recycling box, reducing manual intervention in feeding, greatly improving production efficiency, reducing labor costs, and ensuring the continuity and automation of the entire production process.

[0013] 2. In this utility model, by setting up a clamping component, after the bolt is placed in the discharge hole, the cylinder drives the arc sleeve to clamp and fix the bolt in the discharge hole, preventing the bolt from shaking and affecting the tightening. When the moving plate slides, it drives the cylinder to move synchronously with the slide plate. By setting up a clamping component, after the bolt is placed in the discharge hole, the cylinder drives the arc sleeve to firmly clamp it, preventing the bolt from shaking during the tightening process and causing positioning deviation, which would affect the normal fitting and tightening operation of the nut and bolt. This ensures the bolt tightening quality, reduces assembly errors and defect rates caused by unstable bolt positions, and improves the overall qualification rate and reliability of the product. Attached Figure Description

[0014] Figure 1 This utility model provides a three-dimensional structural diagram of an automatic bolt tightening machine. Figure 2 This utility model provides a side view structural diagram of an automatic bolt tightening machine. Figure 3 This utility model provides a schematic diagram of the feeding device structure of an automatic bolt tightening machine. Figure 4 This utility model provides a schematic diagram of the clamping component structure of an automatic bolt tightening machine. Figure 5 This utility model presents a schematic diagram of the structure of a recycling bin for an automatic bolt tightening mechanical device.

[0015] Legend: 1. Support; 2. Assembly frame; 3. Drive motor; 4. Threaded rod; 5. Slide plate; 6. Tightening device; 7. Feeding device; 71. Slide; 72. Moving plate; 73. Support plate; 74. Motor; 75. Gear; 76. Rack; 77. Discharge hole; 78. Recycling box; 79. Clamping assembly; 791. Cylinder; 792. Arc sleeve; 793. Moving groove; 794. Connecting block; 710. Insert plate; 711. Pull rod. Detailed Implementation

[0016] Please see Figures 1-5 This utility model provides a technical solution: an automatic bolt tightening machine, including a support 1 and a feeding device 7. An assembly frame 2 is fixedly connected to the upper surface of the support 1, and a drive motor 3 is fixedly connected to the upper surface of the assembly frame 2. A threaded rod 4 is fixedly connected to the drive end of the drive motor 3. The threaded rod 4 is rotatably connected to the assembly frame 2. A sliding plate 5 is slidably connected to the surface of the assembly frame 2. A threaded hole is opened on the surface of the sliding plate 5. The threaded rod 4 is threadedly connected to the threaded hole on the surface of the sliding plate 5. A tightening device 6 is fixedly connected to the surface of the sliding plate 5. The feeding device 7 is provided on the surface of the support 1.

[0017] In this implementation scheme: the feeding device 7 includes a slide 71, which is fixedly connected to the support 1. A groove is formed on the surface of the slide 71. A movable plate 72 is slidably connected to the inner wall of the groove on the surface of the slide 71. A rack 76 is fixedly connected to the lower surface of the movable plate 72. A motor 74 is fixedly connected to the inner wall of the slide 71. A gear 75 is fixedly connected to the drive end of the motor 74. The gear 75 meshes with the rack 76. A support plate 73 is fixedly connected to the inner wall of the slide 71. The support plate 73 is located on the upper surface of the motor 74. A discharge hole 77 is formed on the surface of the movable plate 72. By setting up the feeding device 7, after the bolts and nuts are tightened, the bolts are smoothly transported to the recycling box 78, reducing manual intervention in feeding, greatly improving production efficiency, reducing labor costs, and ensuring the continuity and automation of the entire production process.

[0018] Specifically, there are multiple discharge holes 77 arranged in a linear array. By setting the discharge holes 77, the bolt can be accurately positioned to ensure that the bolt is in a specific position after insertion, which provides a prerequisite for the accurate fitting and tightening of the nut.

[0019] Specifically, a recycling box 78 is provided on one side of the support 1. A pull rod 711 is fixedly connected to one end of the recycling box 78. By setting up the recycling box 78, after the bolt and nut are tightened, the motor 74 drives the moving plate 72 to move towards the recycling box 78. When the bolt moves away from the support plate 73, the bolt that loses the support of the support plate 73 will fall into the recycling box 78 through the discharge hole 77.

[0020] Specifically, a plate 710 is fixedly connected to one side of the recycling bin 78. A slot 2 is provided at one end of the support 1 near the plate 710. The plate 710 is inserted into the slot 2 on one side of the support 1. By setting the plate 710, after the bolt is tightened, the motor 74 drives the moving plate 72 to transport the bolt to the top of the recycling bin 78. The bolt passes through the discharge hole 77 and falls into the recycling bin 78.

[0021] Specifically, the surface of the slide 71 is provided with a clamping assembly 79, which includes a moving groove 793. The moving groove 793 is opened on both sides of the slide 71. A connecting block 794 is slidably connected to the inner wall of the moving groove 793. A cylinder 791 is fixedly connected to the upper surface of the connecting block 794. The cylinder 791 is fixedly connected to the moving plate 72.

[0022] In this embodiment: by setting up the clamping component 79, when the bolt is placed in the discharge hole 77, the cylinder 791 drives the arc sleeve 792 to firmly clamp it, preventing the bolt from shaking during the tightening process and causing positioning deviation, which would affect the normal fitting and tightening operation of the nut and bolt, thus ensuring the bolt tightening quality, reducing assembly errors and defect rates caused by unstable bolt positions, and improving the overall qualification rate and reliability of the product.

[0023] Specifically, an arc-shaped sleeve 792 is fixedly connected to the drive end of the cylinder 791, and the inner diameter of the arc-shaped sleeve 792 is smaller than the inner diameter of the discharge hole 77.

[0024] In this embodiment: by setting up cylinder 791, after the bolt is placed in the discharge hole 77, cylinder 791 drives arc sleeve 792 to clamp and fix the bolt in the discharge hole 77 to prevent it from shaking, so that the bolt always maintains an accurate position during the tightening process, which is beneficial to improving the accuracy and quality of tightening the nut and bolt.

[0025] Specifically, there are two cylinders 791, which are arranged symmetrically.

[0026] Working principle: With the feeding device 7 in place, the bolt is placed in the feeding hole 77 and abuts against the support plate 73. Then, the motor 74 drives the gear 75 to rotate. Simultaneously, the gear 75 presses the moving plate 72 to slide along the slide block 71. When the moving plate 72 brings the bolt below the tightening device 6, the drive motor 3 drives the threaded rod 4 to rotate. The rotation of the threaded rod 4 causes the tightening device 6 to move downwards, fitting the nut onto the bolt. Subsequently, the tightening device 6 drives the nut to rotate and tighten the bolt. At this point, the drive motor 3 rotates in the opposite direction, driving the threaded rod 4 to move the tightening device 6... The bolt moves upward to reset, and the bolt and nut are tightened. Then, the motor 74 continues to drive the moving plate 72 to move towards the recycling box 78 until the bolt moves away from the support plate 73. The bolt loses the support of the support plate 73 and falls into the recycling box through the discharge hole 77. Pulling the pull rod 711 can pull out the insert plate 710 and the support 1, and remove the recycling box 78. By setting the feeding device 7, after the bolt and nut are tightened, the bolt is smoothly transported to the recycling box 78, reducing manual intervention in feeding, greatly improving production efficiency, reducing labor costs, and ensuring the continuity and automation of the entire production process. By setting up the clamping component 79, when the bolt is placed in the discharge hole 77, the cylinder 791 drives the arc sleeve 792 to clamp and fix the bolt in the discharge hole 77, preventing the bolt from shaking and affecting the tightening. When the moving plate 72 slides, it drives the cylinder 791 to move synchronously with the slide plate 5. By setting up the clamping component 79, when the bolt is placed in the discharge hole 77, the cylinder 791 drives the arc sleeve 792 to firmly clamp it, preventing the bolt from shaking during the tightening process and causing positioning deviation, which would affect the normal fitting and tightening operation of the nut and bolt. This ensures the bolt tightening quality, reduces assembly errors and defect rates caused by unstable bolt positions, and improves the overall qualification rate and reliability of the product.

Claims

1. An automatic bolt tightening machine, comprising a support (1) and a feeding device (7), characterized in that: An assembly frame (2) is fixedly connected to the upper surface of the support (1). A drive motor (3) is fixedly connected to the upper surface of the assembly frame (2). A threaded rod (4) is fixedly connected to the drive end of the drive motor (3). The threaded rod (4) is rotatably connected to the assembly frame (2). A sliding plate (5) is slidably connected to the surface of the assembly frame (2). A threaded hole is opened on the surface of the sliding plate (5). The threaded rod (4) is threadedly connected to the threaded hole on the surface of the sliding plate (5). A tightening device (6) is fixedly connected to the surface of the sliding plate (5). A feeding device (7) is provided on the surface of the support (1). The feeding device (7) includes a slide (71). (71) is fixedly connected to the support (1). The surface of the slide (71) is provided with a groove. The inner wall of the groove on the surface of the slide (71) is slidably connected to a moving plate (72). The lower surface of the moving plate (72) is fixedly connected to a rack (76). The inner wall of the slide (71) is fixedly connected to a motor (74). The drive end of the motor (74) is fixedly connected to a gear (75). The gear (75) meshes with the rack (76). The inner wall of the slide (71) is fixedly connected to a support plate (73). The support plate (73) is located on the upper surface of the motor (74). The surface of the moving plate (72) is provided with a discharge hole (77).

2. The automatic bolt tightening machine according to claim 1, characterized in that: There are multiple discharge holes (77), and the multiple discharge holes (77) are arranged in a linear array.

3. The automatic bolt tightening machine according to claim 1, characterized in that: A recycling bin (78) is provided on one side of the support (1), and a pull rod (711) is fixedly connected to one end of the recycling bin (78).

4. The automatic bolt tightening machine according to claim 3, characterized in that: A plug plate (710) is fixedly connected to one side of the recycling bin (78). A slot 2 is provided at one end of the support (1) near the plug plate (710). The plug plate (710) is inserted into the slot 2 on one side of the support (1).

5. The automatic bolt tightening machine according to claim 1, characterized in that: The surface of the slide (71) is provided with a clamping assembly (79), the clamping assembly (79) includes a moving groove (793), the moving groove (793) is opened on both sides of the slide (71), the inner wall of the moving groove (793) is slidably connected with a connecting block (794), the upper surface of the connecting block (794) is fixedly connected with a cylinder (791), and the cylinder (791) is fixedly connected with the moving plate (72).

6. The automatic bolt tightening machine according to claim 5, characterized in that: The drive end of the cylinder (791) is fixedly connected to an arc-shaped sleeve (792), the inner diameter of which is smaller than the inner diameter of the discharge hole (77).

7. The automatic bolt tightening machine according to claim 6, characterized in that: There are two cylinders (791), and the two cylinders (791) are arranged symmetrically.

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