Bolt fastener detection equipment

Abstract

The utility model provides bolt fastener detection equipment which comprises a supporting base, an operation table is fixedly connected to the top of the supporting base, a detection assembly is fixedly connected to the inner wall of the operation table, and a driving assembly is arranged at the top of the detection assembly. The detection assembly comprises a stretching assembly used for stretching detection and a clamping assembly used for clamping a bolt, the clamping assembly and the stretching assembly are both located above the operation table, the driving assembly comprises a driving gear disc, and a brake motor is fixedly installed at the top of the driving gear disc; according to the invention, through cooperation of the driving assembly and the detection assembly, the driving assembly drives the diameter adjusting assembly to move towards the circle center of the movable track bottom plate or move towards the periphery so as to drive the clamping assembly to adjust the clamping diameter, and whether the bolt accords with the preset clamping diameter is determined through the clamping condition, so that diameter detection of different batches of bolts is adapted. And compared with manual detection, the standard degree is improved.

Description

Technical Field

[0001] The utility model relates to the field of fastener detection, in particular to a bolt fastener detection device. Background Art

[0002] Fasteners are also called standard parts in the market. They are a general term for a type of mechanical parts used to fasten two or more parts into a whole. They are characterized by a wide variety of specifications, different performances and uses, and a high degree of standardization, serialization, and generalization. Fasteners are the most widely used basic mechanical parts and are in great demand.

[0003] Since fasteners need to be tightly connected, their precision requirements are high. Existing bolt fastener inspection usually requires manual inspection of the fasteners. The operation process is time-consuming and labor-intensive, and the manual inspection accuracy is low, and there are discrepancies in the inspection results.

[0004] For example: The Chinese utility model patent (application number: CN202022651262.8) discloses a "bolt detection device for automotive fasteners". Its specification discloses: At present, a workpiece is produced on the workshop production line. This workpiece is mainly an automotive fastener, which is mainly used to connect parts of various parts of the car. Now, in order to ensure that the connection between the bolts and parts of various parts of the car meets the welding strength requirements, it is necessary to perform strength testing on the bolts. However, manual testing is generally used now, with low detection efficiency and large detection errors. The detection data is greatly deviated by human factors, which can easily cause inaccurate data. Therefore, it is impossible to intuitively reflect the strength of the bolts, reducing the detection efficiency and the accuracy of the bolt detection data; the above patents can prove the defects of the prior art.

[0005] Therefore, we make improvements to this and propose a bolt fastener detection device. Summary of the invention

[0006] The purpose of the utility model is to address the current situation that due to the need for fastening connections with fasteners, high precision requirements are required. Existing bolt fastener inspections usually require manual inspection of the fasteners, and the operation process is time-consuming and labor-intensive, and the manual inspection accuracy is low, and there are discrepancies in the inspection results.

[0007] In order to achieve the above-mentioned purpose of the invention, the utility model provides a bolt fastener detection device to improve the above-mentioned problem.

[0008] The specific application is as follows:

[0009] A bolt fastener detection device comprises a support base, the top of the support base is fixedly connected to an operating table, the inner wall of the operating table is fixedly connected to a detection component, and the top of the detection component is provided with a driving component;

[0010] The detection assembly comprises a stretching assembly for stretching detection and a clamping assembly for clamping bolts, and both the clamping assembly and the stretching assembly are located above the operating table.

[0011] As a preferred technical solution of the present application, the driving assembly includes a driving gear plate, a brake motor is fixedly installed on the top of the driving gear plate, a motor box is fixedly connected to the top of the driving gear plate, a second bearing is fixedly connected to the outer side of the bottom of the driving gear plate, a movable track base plate is fixedly connected to the bottom of the second bearing, a first bearing is fixedly connected to the top of the movable track base plate around, a rotating shaft is fixedly connected to the inner side of the first bearing, and a driven gear is fixedly connected to the outer side of the top of the rotating shaft.

[0012] As a preferred technical solution of the present application, the detection component also includes a diameter adjustment component, the inner side of the diameter adjustment component is fixedly connected to the clamping component near the stretching component, the diameter adjustment component includes a sliding top plate, the sliding top plate is fixedly connected to a driven rack on one side near the stretching component, the driven rack is fixedly connected to a third fixed shaft on one side near the stretching component, and the bottom of the sliding top plate is fixedly connected to a second limit block.

[0013] As a preferred technical solution of the present application, the clamping assembly includes an upper driving plate, the bottom of the upper driving plate is fixedly connected to a first fixed shaft, the outer side of the first fixed shaft is movably sleeved with a stretching clamping hand, the side of the stretching clamping hand close to the stretching assembly is fixedly connected to a second fixed shaft, the side of the second fixed shaft away from the stretching clamping hand is fixedly connected to a first limit block, the bottom of the first fixed shaft is fixedly connected to a fixed clamping hand, the side of the stretching clamping hand away from the stretching assembly is fixedly connected to a telescopic shaft, and the outer side of the telescopic shaft is movably sleeved with a first telescopic tube.

[0014] As a preferred technical solution of the present application, the stretching assembly includes a third bearing, the top of the third bearing is fixedly connected to the bottom of the driving gear plate, the inner side of the third bearing is fixedly connected to a hydraulic cylinder, the inner side of the hydraulic cylinder is movably sleeved with a hydraulic rod, the bottom of the hydraulic rod is fixedly connected to a fixed block, the fixed block is fixedly connected to a second telescopic tube around the four sides, and the inner wall of the second telescopic tube is provided with a limiting groove.

[0015] As a preferred technical solution of the present application, sliding grooves are provided around the top of the movable track base plate, the size and shape of the sliding grooves of the movable track base plate are mutually adapted to the size and shape of the second limit block, and the movable track base plate is provided with a circular groove, and the inner diameter of the circular groove of the movable track base plate is the same as the outer diameter of the first bearing.

[0016] As a preferred technical solution of the present application, the inner diameter of the limit groove is matched with the outer diameter of the first limit block, the length of the limit groove is fifteen millimeters shorter than the length of the second telescopic tube, and is located in the middle of the second telescopic tube, a telescopic slide groove is provided on the inner side of the first telescopic tube, a telescopic slider is fixedly connected to the side of the telescopic shaft close to the first telescopic tube, the inner diameter of the telescopic slide groove of the first telescopic tube is matched with the outer diameter of the telescopic slider of the telescopic shaft, the length of the telescopic slide groove of the first telescopic tube is fifteen millimeters shorter than the length of the telescopic slider of the telescopic shaft, and is located in the middle of the first telescopic tube.

[0017] As a preferred technical solution of the present application, the teeth on the inner side of the driving gear plate mesh with the teeth of the driven gear, and the teeth of the driven gear mesh with the teeth of the driven rack.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] In the scheme of this application:

[0020] 1. The present application cooperates with the driving component and the detection component. The driving component drives the diameter adjustment component to move toward the center of the movable track bottom plate or to the periphery to drive the clamping component to adjust the clamping diameter. The clamping situation is used to determine whether the bolt meets the preset clamping diameter, so as to adapt to different batches of bolts for diameter detection, which is more accurate than manual detection.

[0021] 2. In the present application, a stretching component is provided to cooperate with a clamping component. The clamping component clamps the bolt, and the stretching component gradually stretches the bolt body with a preset tensile force value. The tensile performance and material strength are tested according to the stretching test results. The bolt clamping operation is completed during the diameter test process. No additional fixing bolts are required during the stretching test, which simplifies the equipment structure and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the structure of the bolt fastener detection equipment provided for this application;

[0023] Figure 2 A schematic diagram of a portion of the structure of the bolt fastener detection equipment provided in this application;

[0024] Figure 3 An exploded schematic diagram of the tensile testing assembly structure of the bolt fastener testing equipment provided in this application;

[0025] Figure 4 A schematic diagram of the structure of a diameter detection component of a bolt fastener detection device provided for this application;

[0026] Figure 5 A schematic diagram of the structure of the clamping assembly of the bolt fastener detection device provided in this application;

[0027] Figure 6 A schematic diagram of the structure of the tensile assembly of the bolt fastener testing equipment provided for this application;

[0028] Figure 7 Provided for this application Figure 4 Schematic diagram of the enlarged structure at A.

[0029] Indicated in the figure:

[0030] 1. Support base;

[0031] 2. Driving assembly; 201. Motor box; 202. Braking motor; 203. Driving gear plate; 204. Driven gear; 205. Rotating shaft; 206. First bearing; 207. Movable track bottom plate; 208. Second bearing;

[0032] 3. Detection components;

[0033] 301, clamping assembly; 3011, upper driving plate; 3012, first fixed axis; 3013, stretching clamping hand; 3014, second fixed axis; 3015, first limit block; 3016, fixed clamping hand; 3017, telescopic axis; 3018, first telescopic tube;

[0034] 302, stretching assembly; 3021, third bearing; 3022, hydraulic cylinder; 3023, hydraulic rod; 3024, fixing block; 3025, second telescopic tube; 3026, limiting groove;

[0035] 303, diameter adjustment assembly; 3031, sliding top plate; 3032, second limit block; 3033, driven rack; 3034, third fixed shaft;

[0036] 4. Operating table. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0038] As described in the background art, since fasteners need to be tightly connected, their precision requirements are relatively high. Existing bolt fastener inspections usually require manual inspection of the fasteners. The operation process is time-consuming and labor-intensive, and the manual inspection accuracy is low, resulting in discrepancies in the inspection results.

[0039] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0040] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0041] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0042] Please refer to Figure 1 and 4 A bolt fastener detection device comprises a support base 1, an operating table 4 is fixedly connected to the top of the support base 1, a detection component 3 is fixedly connected to the inner wall of the operating table 4, and a driving component 2 is provided on the top of the detection component 3;

[0043] The detection assembly 3 includes a stretching assembly 302 for stretching detection and a clamping assembly 301 for clamping bolts. Both the clamping assembly 301 and the stretching assembly 302 are located above the operating platform 4 .

[0044] Reference Figure 3 The driving assembly 2 includes a driving gear plate 203, a brake motor 202 is fixedly installed on the top of the driving gear plate 203, a motor box 201 is fixedly connected to the top of the driving gear plate 203, a second bearing 208 is fixedly connected to the outer side of the bottom of the driving gear plate 203, a movable track base plate 207 is fixedly connected to the bottom of the second bearing 208, a first bearing 206 is fixedly connected to the top of the movable track base plate 207, a rotating shaft 205 is fixedly connected to the inner side of the first bearing 206, a driven gear 204 is fixedly connected to the outer side of the top of the rotating shaft 205, and the brake motor 202 is started to rotate the driving gear plate 203, the driving gear plate 203 drives the driven gear 204 to rotate, and the driven gear 204 drives the driven rack 3033 to move.

[0045] Reference Figure 4 and Figure 7 The detection component 3 also includes a diameter adjustment component 303, the inner side of the diameter adjustment component 303 is fixedly connected to the clamping component 301 near the stretching component 302, and the diameter adjustment component 303 includes a sliding top plate 3031, and the side of the sliding top plate 3031 near the stretching component 302 is fixedly connected to a driven rack 3033, and the side of the driven rack 3033 near the stretching component 302 is fixedly connected to a third fixed shaft 3034, and the bottom of the sliding top plate 3031 is fixedly connected to a second limit block 3032, and the driven rack 3033 moves to adjust the distance between the upper driving plates 3011.

[0046] Reference Figure 5 The clamping assembly 301 includes an upper driving plate 3011, a first fixed shaft 3012 is fixedly connected to the bottom of the upper driving plate 3011, a stretching clamping hand 3013 is movably sleeved on the outer side of the first fixed shaft 3012, a second fixed shaft 3014 is fixedly connected to the side of the stretching clamping hand 3013 close to the stretching assembly 302, a first limit block 3015 is fixedly connected to the side of the second fixed shaft 3014 away from the stretching clamping hand 3013, a fixed clamping hand 3016 is fixedly connected to the bottom of the first fixed shaft 3012, and a stretching clamping hand 3016 is fixedly connected to the bottom of the first fixed shaft 3012. The clamping hand 3013 is fixedly connected to a telescopic shaft 3017 on one side away from the stretching assembly 302, and a first telescopic tube 3018 is movably sleeved on the outer side of the telescopic shaft 3017; driven by the first fixed shaft 3012, the stretching clamping hand 3013 and the fixed clamping hand 3016 move synchronously to clamp the bolt for diameter detection, and a friction groove is provided on the side of the stretching clamping hand 3013 close to the second fixed shaft 3014. When the bolt diameter is the same as the preset diameter, the stretching clamping hand 3013 can stably clamp the bolt without displacement.

[0047] Reference Figure 6 The stretching assembly 302 includes a third bearing 3021, the top of the third bearing 3021 is fixedly connected to the bottom of the active gear plate 203, the inner side of the third bearing 3021 is fixedly connected to a hydraulic cylinder 3022, the inner side of the hydraulic cylinder 3022 is movably sleeved with a hydraulic rod 3023, the bottom of the hydraulic rod 3023 is fixedly connected to a fixed block 3024, the surrounding of the fixed block 3024 is fixedly connected to a second telescopic tube 3025, and the inner wall of the second telescopic tube 3025 is provided with a limiting groove 3026. Start the stretching assembly 302, so that the hydraulic rod 3023 extends downward from the hydraulic cylinder 3022 to the bottom, if the upper driving plate 3011 can move to the specified position, the stretching assembly 302 is started again, so that the hydraulic rod 3023 moves upward for stretching detection.

[0048] Reference Figure 2 and Figure 7 Sliding grooves are provided around the top of the movable track bottom plate 207. The size and shape of the sliding grooves of the movable track bottom plate 207 are compatible with the size and shape of the second limit block 3032. The movable track bottom plate 207 is provided with a circular groove. When the upper driving plate 3011 moves, the second limit block 3032 moves along the sliding groove of the movable track bottom plate 207. The inner diameter of the circular groove of the movable track bottom plate 207 is the same as the outer diameter of the first bearing 206.

[0049] Reference Figure 4 , Figure 5 and Figure 6The inner diameter of the limit groove 3026 is adapted to the outer diameter of the first limit block 3015, the length of the limit groove 3026 is fifteen millimeters shorter than the length of the second telescopic tube 3025, and is located in the middle of the second telescopic tube 3025, a telescopic slide groove is provided on the inner side of the first telescopic tube 3018, and a telescopic slider is fixedly connected to the side of the telescopic shaft 3017 close to the first telescopic tube 3018, the inner diameter of the telescopic slide groove of the first telescopic tube 3018 is adapted to the outer diameter of the telescopic slider of the telescopic shaft 3017, the length of the telescopic slide groove of the first telescopic tube 3018 is fifteen millimeters shorter than the length of the telescopic slider of the telescopic shaft 3017, and is located in the middle of the first telescopic tube 3018, when the upper driving plate 3011 moves, the second fixed shaft 3014 pulls the first limit block 3015 to move along the limit groove 3026, and the telescopic shaft 3017 pulls the telescopic slider of the telescopic shaft 3017 to move along the telescopic slide groove of the first telescopic tube 3018.

[0050] Reference Figure 2 , Figure 3 and Figure 7 The teeth on the inner side of the driving gear plate 203 mesh with the teeth of the driven gear 204, and the teeth of the driven gear 204 mesh with the teeth of the driven rack 3033. When the driving gear plate 203 rotates, the driving gear plate 203 drives the driven gear 204 to rotate, and the driven gear 204 drives the driven rack 3033 to move.

[0051] The use process of the bolt fastener detection device provided by the utility model is as follows:

[0052] When using this equipment for bolt inspection, first set the bolt diameter of the batch to be inspected and the specified tensile force for the tensile inspection, then start the tensile assembly 302, so that the hydraulic rod 3023 extends downward from the hydraulic cylinder 3022 to the bottom, the operator places the bolt to be inspected on the top of the operating table 4, the fixing block 3024 and the operating table 4 clamp the bolt up and down, start the brake motor 202 to rotate the active gear plate 203, the active gear plate 203 drives the driven gear 204 to rotate, the driven gear 204 drives the driven rack 3033 to move, adjust the distance between the upper drive plate 3011, and at the first Driven by the fixed shaft 3012, the tension clamping hand 3013 and the fixed clamping hand 3016 move synchronously to clamp the bolt for diameter detection. When the upper driving plate 3011 moves, the second limit block 3032 moves along the sliding groove of the movable track bottom plate 207, the second fixed shaft 3014 pulls the first limit block 3015 to move along the limit groove 3026, and the telescopic shaft 3017 pulls the telescopic slider of the telescopic shaft 3017 to move along the telescopic sliding groove of the first telescopic tube 3018. If the upper driving plate 3011 cannot move to the specified position, it is determined that the diameter detection fails and the bolt diameter is too large and does not meet the standard.

[0053] If the upper driving plate 3011 can move to the specified position, the stretching assembly 302 is started again to move the hydraulic rod 3023 upward. If the hydraulic rod 3023 is displaced as soon as the stretching assembly 302 is started, it means that the bolt is not clamped stably, and it is determined that the diameter test fails and the bolt diameter is too small and does not meet the standard. If the hydraulic rod 3023 still does not displace when the preset tension value is reached, it is determined that the diameter test and the stretching test are passed. If the preset tension value is not reached, the hydraulic rod 3023 does not displace and the bolt is broken, and it is determined that the stretching test fails.

[0054] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] Obviously, the embodiments described above are only some embodiments of the utility model, rather than all embodiments. The preferred embodiments of the utility model are given in the accompanying drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the utility model specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the utility model.

Claims

1. A bolt fastener detection device, characterized in that: It comprises a support base (1), the top of the support base (1) is fixedly connected to an operating table (4), the inner wall of the operating table (4) is fixedly connected to a detection component (3), and the top of the detection component (3) is provided with a driving component (2); The detection assembly (3) comprises a stretching assembly (302) for stretching detection and a clamping assembly (301) for clamping bolts, and the clamping assembly (301) and the stretching assembly (302) are both located above the operating platform (4).

2. The bolt fastener detection device according to claim 1, characterized in that: The driving assembly (2) comprises a driving gear plate (203), a brake motor (202) is fixedly mounted on the top of the driving gear plate (203), a motor box (201) is fixedly connected to the top of the driving gear plate (203), a second bearing (208) is fixedly connected to the outer side of the bottom of the driving gear plate (203), a movable track bottom plate (207) is fixedly connected to the bottom of the second bearing (208), a first bearing (206) is fixedly connected to the four sides of the top of the movable track bottom plate (207), a rotating shaft (205) is fixedly connected to the inner side of the first bearing (206), and a driven gear (204) is fixedly connected to the outer side of the top of the rotating shaft (205).

3. The bolt fastener detection device according to claim 2, characterized in that: The detection component (3) also includes a diameter adjustment component (303), the inner side of the diameter adjustment component (303) close to the stretching component (302) is fixedly connected to the clamping component (301), the diameter adjustment component (303) includes a sliding top plate (3031), the side of the sliding top plate (3031) close to the stretching component (302) is fixedly connected to a driven rack (3033), the side of the driven rack (3033) close to the stretching component (302) is fixedly connected to a third fixed shaft (3034), and the bottom of the sliding top plate (3031) is fixedly connected to a second limit block (3032).

4. The bolt fastener detection device according to claim 3, characterized in that: The clamping assembly (301) comprises an upper driving plate (3011), the bottom of the upper driving plate (3011) is fixedly connected to a first fixed shaft (3012), the outer side of the first fixed shaft (3012) is movably sleeved with a stretching clamping hand (3013), a side of the stretching clamping hand (3013) close to the stretching assembly (302) is fixedly connected to a second fixed shaft (3014), a side of the second fixed shaft (3014) away from the stretching clamping hand (3013) is fixedly connected to a first limit block (3015), the bottom of the first fixed shaft (3012) is fixedly connected to a fixed clamping hand (3016), a side of the stretching clamping hand (3013) away from the stretching assembly (302) is fixedly connected to a telescopic shaft (3017), and a first telescopic tube (3018) is movably sleeved on the outer side of the telescopic shaft (3017).

5. The bolt fastener detection device according to claim 4, characterized in that: The stretching assembly (302) comprises a third bearing (3021), the top of the third bearing (3021) is fixedly connected to the bottom of the driving gear plate (203), the inner side of the third bearing (3021) is fixedly connected to a hydraulic cylinder (3022), the inner side of the hydraulic cylinder (3022) is movably sleeved with a hydraulic rod (3023), the bottom of the hydraulic rod (3023) is fixedly connected to a fixed block (3024), the surrounding of the fixed block (3024) is fixedly connected to a second telescopic tube (3025), and the inner wall of the second telescopic tube (3025) is provided with a limiting groove (3026).

6. The bolt fastener detection device according to claim 3, characterized in that: The movable track bottom plate (207) is provided with sliding grooves around the top, the size and shape of the sliding grooves of the movable track bottom plate (207) are mutually compatible with the size and shape of the second limit block (3032), and the movable track bottom plate (207) is provided with a circular groove, the inner diameter of the circular groove of the movable track bottom plate (207) is the same as the outer diameter of the first bearing (206).

7. The bolt fastener detection device according to claim 5, characterized in that: The inner diameter of the limiting groove (3026) is matched with the outer diameter of the first limiting block (3015); the length of the limiting groove (3026) is fifteen millimeters shorter than the length of the second telescopic tube (3025) and is located in the middle of the second telescopic tube (3025); a telescopic sliding groove is provided on the inner side of the first telescopic tube (3018); a telescopic sliding block is fixedly connected to the side of the telescopic shaft (3017) close to the first telescopic tube (3018); the inner diameter of the telescopic sliding groove of the first telescopic tube (3018) is matched with the outer diameter of the telescopic sliding block of the telescopic shaft (3017); the length of the telescopic sliding groove of the first telescopic tube (3018) is fifteen millimeters shorter than the length of the telescopic sliding block of the telescopic shaft (3017) and is located in the middle of the first telescopic tube (3018).

8. The bolt fastener detection device according to claim 3, characterized in that: The teeth on the inner side of the driving gear plate (203) mesh with the teeth of the driven gear (204), and the teeth of the driven gear (204) mesh with the teeth of the driven rack (3033).

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