Bolt detection device
By designing a bolt inspection device, which utilizes a rotary table and a pushing component to automate bolt inspection and sorting, the problem of low efficiency in traditional methods is solved, and the continuity and accuracy of inspection are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-10
AI Technical Summary
Traditional bolt inspection methods are inefficient, lack continuity, rely on manual judgment, and have a low degree of automation, making it difficult to meet the high-efficiency and accurate inspection requirements of modern construction projects.
A bolt detection device was designed, comprising a fixed plate, a rotary table, a screw lifting device, and a pushing component. The device automatically feeds bolts via a conveyor table, and the rotation of the rotary table moves the bolts to the detection head. The diameter is measured using a laser displacement sensor, and continuous detection and sorting are achieved through the pushing component and the feeding pipe.
This achieves continuity and stability in bolt inspection, improves inspection efficiency, reduces labor costs, and ensures the accuracy and automation of inspection.
Smart Images

Figure CN223980814U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to material detection technical field, concretely is a detection device of bolt. BACKGROUND
[0002] In building engineering, as important connecting components, the quality of bolts directly relates to the safety and stability of the overall structure. With the continuous expansion of the building scale and the increasing improvement of engineering quality, higher requirements are put forward for the quality detection of bolts. However, the traditional bolt detection method has many limitations, such as poor detection continuity, dependence on manual judgment, low automation degree and inconvenient data management, etc., which is difficult to meet the efficient and accurate detection needs of modern building engineering
[0003] The traditional bolt diameter detection method usually relies on manual or semi-automatic equipment. This method is feasible when dealing with single or small samples, however, when facing mass production or needing to quickly detect a large number of bolts, the traditional method exposes the problems of low efficiency and poor continuity. For example, using a caliper or a micrometer to manually measure the diameter of a bolt not only takes time, but also is prone to measurement errors due to human factors. In addition, after detection, manual separation of qualified and unqualified bolts is needed, which further reduces the overall work efficiency and increases the labor cost. SUMMARY
[0004] To achieve the above purpose, the utility model provides the following technical scheme: a detection device of bolt, including operation platform, the operation platform installs fixed disc, screw rod lifting device, two groups of blanking pipe and installs with fixed disc and is equipped with rotating platform, the lifting end of screw rod lifting device is installed with the detection head above rotating platform;
[0005] The rotating platform is provided with a plurality of openings outside the rotating platform, and the edge of the fixed disc is formed with a blocking strip inside the rotating platform, a pushing assembly is installed on the fixed disc, and a discharge port is provided, and the pushing assembly and the discharge port are respectively opposite to the corresponding discharge pipe;
[0006] The pushing assembly includes a mounting plate and a limiting plate, a pushing cylinder is installed on the mounting plate, a pushing plate is fixed to the piston rod of the pushing cylinder, a baffle is fixed to the top of the pushing plate and is slidingly connected to the fixed disc above the limiting plate, and a circular hole is provided on the baffle and is opposite to the corresponding opening.
[0007] Further, a conveying table is installed on the operation platform, and a U-shaped notch is provided on the edge of the fixed disc and is connected to the tail end of the conveying table.
[0008] Further, the base is arranged below the screw rod lifting device on the operation table, the front pushing plate is slidably connected to the base, and the front pushing cylinder is arranged on the base, the piston rod of the front pushing cylinder is fixedly connected with the front pushing plate, the front pushing plate can extend above the opening, and a notch is arranged at the head end of the front pushing plate.
[0009] Further, a plurality of limiting holes are arranged on the rotating table, the base frame is fixed on the operation table, and the jacking cylinder is arranged on the base frame, the piston rod of the jacking cylinder is fixed with the upper jacking rod which is arranged through the fixed disc and the base frame and can extend into the corresponding limiting hole.
[0010] Compared with the prior art, the technical scheme has the following beneficial effects:
[0011] The bolt detection device can convey the bolt to the U-shaped notch between the fixed disc and the rotating table opening through the conveying table, and then the bolt can be conveyed to the lower side of the detection head through the rotating table, the screw rod lifting device drives the detection head to complete the diameter detection, and the rotating table continues to rotate, so that the product is located above the pushing assembly, and when the product is qualified or unqualified, the pushing assembly can be operated to move the bolt out of the collection through the discharge pipe, and the next group of bolts can be moved out through the discharge opening, so that continuous detection and sorting are realized. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structural schematic view of the utility model;
[0013] Figure 2 It is a three-dimensional structural schematic view of the fixed disc in the utility model;
[0014] Figure 3 It is a three-dimensional structural schematic view of the rotating table in the utility model;
[0015] Figure 4 It is a three-dimensional structural schematic view of the pushing assembly in the utility model;
[0016] Figure 5 It is a three-dimensional schematic view of the base frame connecting structure in the utility model;
[0017] Figure 6 It is a three-dimensional schematic view of the base connecting structure in the utility model.
[0018] In the drawing: 1, operation table; 2, conveying table; 3, fixed disc; 4, discharge pipe; 5, rotating table; 6, pushing assembly; 61, mounting plate; 62, pushing cylinder; 63, pushing plate; 64, baffle; 65, limiting plate; 7, screw rod lifting device; 71, detection head; 81, base; 82, front pushing cylinder; 83, front pushing plate; 9, base frame; 91, jacking cylinder; 92, upper jacking rod. DETAILED DESCRIPTION
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Please see Figures 1-6 This embodiment of a bolt detection device includes an operating table 1. A fixed plate 3, a screw lifting device 7, and a rotating table 5 are installed on the operating table 1. A stop bar extends upward from the edge of the fixed plate 3. The rotating table 5 passes through the fixed plate 3 and is located inside the stop bar. Multiple sets of openings are opened on the outer side of the rotating table. A trapezoidal detection head 71 is installed at the lifting end of the screw lifting device 7. A cavity is formed at the bottom of the detection head 71, and laser displacement sensors extending into the cavity are installed on all four sides of the detection head 71.
[0021] In the above structure, by placing the bolt into one of the openings of the turntable, the fixed plate supports the bolt. The turntable then rotates, allowing the bolt to be moved to adjust its position until it is positioned below the detection head. During the movement, a stop bar limits the opening, preventing the bolt from falling and affecting subsequent inspections. The detection head is then lowered by a screw lifting device until the bolt is inserted into the cavity. A laser displacement sensor emits a laser beam onto the surface of the bolt and measures the reflected light to determine the distance, thereby calculating the product's diameter. This process is repeated to achieve continuous inspection and improve efficiency.
[0022] like Figure 1 and 2 A U-shaped slot is provided on one side of the fixed plate 3. A conveyor 2 is installed on the operating table 1, and the tail end of the conveyor 2 extends into the U-shaped slot for connection. Therefore, the operation of the conveyor 2 drives the neatly arranged bolts forward. When the opening on the rotating table coincides with the U-shaped slot, the conveyor 2 transports the bolts into the space between the U-shaped slot and the opening. By rotating the rotating table, the bolts can be moved away, thus achieving automatic feeding and improving efficiency.
[0023] like Figure 5The rotary table 5 has multiple limiting holes on its turntable. A base frame 9 is mounted on the operating table 1 below the fixed plate 3, and a lifting cylinder 91 is mounted at the bottom. The piston rod of the lifting cylinder 91 is fixed with an upper push rod 92 that passes through the base frame 9 and the fixed plate 3 and extends into the limiting holes. When the bolt reaches below the detection head, the lifting cylinder operates, pushing the upper push rod to extend into the corresponding limiting hole. This effectively limits the movement of the rotating table during detection, preventing it from affecting the accuracy of the test.
[0024] Other examples Figure 6 A base 81 is fixed on the operating table 1, located below the screw lifting device 7. A front push plate 83 is slidably connected to the base 81, and a front push cylinder 82 is installed thereon. The piston rod of the front push cylinder 82 is fixed to the front push plate 83, and a slot is opened at the head end of the front push plate 83. When the bolt is located below the detection head, the front push cylinder drives the front push plate to push out and move it above the turntable, so that the bolt is limited in the slot. This prevents the bolt from moving to both sides during the detection process and affects the detection, thus improving the stability of the detection.
[0025] like Figures 2-4 The bottom of the fixed plate 3 is equipped with a pushing component 6 and a discharge port. Two sets of discharge pipes 4, corresponding to the pushing component 6 and the discharge port respectively, are fixed on the operating table 1. The pushing component 6 includes a mounting plate 61 and a limiting plate 65 fixed to the bottom of the fixed plate 3. A pushing cylinder 62 is mounted on the mounting plate 61. A pushing plate 63 is fixed to the piston rod of the pushing cylinder 62. A baffle 64, which slides with the fixed plate 3, is fixed to the top of the pushing plate 63. The baffle 64 is located above the limiting plate 65 and has a circular hole. When the bolt is inspected, the rotary table moves it above the baffle. If the product is defective, the pushing cylinder pushes the pushing plate out, aligning the circular hole with the opening, allowing the bolt to fall through the circular hole into the corresponding discharge pipe for collection. The limiting plate supports the movement of the baffle. When the product is qualified, the rotary table continues to operate until the bolt is moved to the discharge port, where it falls again and is guided for collection through the corresponding discharge pipe, thus achieving the sorting function.
[0026] The working principle of the above embodiments is as follows:
[0027] The conveyor table moves the bolt forward, and the rotary table rotates so that the opening aligns with the U-shaped groove of the fixed plate. This allows the bolt to be moved between the rotary table and the fixed plate. The rotary table continues to rotate, moving the bolt and blocking it at the edge until the next opening aligns again, completing the loading operation. When the bolt reaches below the detection head, the forward-pushing cylinder moves the forward-pushing plate forward, positioning the bolt within the groove. Then, the screw lifting device moves the detection head downward to complete the diameter detection. After detection, the rotary table rotates again. If the product is qualified when it reaches the baffle, it continues forward until it reaches the discharge port for exit. The bolt is then guided and collected through the corresponding discharge pipe. If the bolt is unqualified, the pusher cylinder moves the baffle through the pusher plate until it falls through the round hole into the corresponding discharge pipe for collection. This allows for continuous and stable detection, and also enables sorting after detection.
[0028] The entire workflow is now complete, and anything not described in detail in this specification is existing technology known to those skilled in the art.
[0029] It should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A device for detecting a bolt, comprising an operating table (1), characterized in that: The operating table (1) is provided with a fixed disc (3), a screw lifting device (7), two groups of blanking pipes (4), and a rotating table (5) provided with the fixed disc (3), the lifting end of the screw lifting device (7) is provided with a detection head (71) located above the rotating table (5); A plurality of openings are formed on the outer side of the rotating table (5), the edge of the fixed disc (3) is provided with a blocking strip covering the rotating table on the inner side, the fixed disc (3) is embedded with a pushing assembly (6) and is provided with a blanking port, and the pushing assembly (6) and the blanking port are respectively opposite to the corresponding blanking pipe (4); The pushing assembly (6) comprises a mounting plate (61) and a limiting plate (65), the mounting plate (61) is provided with a pushing cylinder (62), the piston rod of the pushing cylinder (62) is fixed with a pushing plate (63), the top of the pushing plate (63) is fixed with a baffle (64) located above the limiting plate (65) and is in sliding connection with the fixed disc (3), and the baffle (64) is provided with a circular hole opposite to the corresponding opening.
2. The bolt inspection apparatus according to claim 1, characterized by: The operating table (1) is provided with a conveying table (2), and the edge side of the fixed disc (3) is provided with a U-shaped notch butt jointed with the tail end of the conveying table (2).
3. The bolt inspection apparatus according to claim 2, wherein: The operating table (1) is provided with a base (81) located below the screw lifting device (7), the base (81) is in sliding connection with a front pushing plate (83) and is provided with a front pushing cylinder (82), the piston rod of the front pushing cylinder (82) is fixedly connected with the front pushing plate (83), the front pushing plate (83) can extend above the opening, and the head end of the front pushing plate (83) is provided with a notch.
4. The bolt inspection apparatus according to claim 3, wherein: The rotating table (5) is provided with a plurality of limiting holes, the operating table (1) is fixedly provided with a base frame (9) and is provided at the bottom with a jacking cylinder (91), the piston rod of the jacking cylinder (91) is fixed with an upper jacking rod (92) penetrating through the fixed disc (3) and the base frame (9) and extendable into the corresponding limiting hole.