Screw strength detection device

Abstract

The utility model relates to the technical field of screw production, in particular to a screw strength detection device which comprises a detection support, a first clamping module is arranged on the left side face of the detection support, and a second clamping module is arranged on the right side face of the detection support. A detection module is arranged above the first clamping module and the second clamping module, and a screw transfer module is arranged in front of the detection module; the first clamping module comprises a first supporting vertical plate, the first supporting vertical plate is fixed to the left side of the detection support, a plurality of first limiting air cylinders are horizontally arranged on the first supporting vertical plate, and first butt joint blocks are fixed to piston rods of the first limiting air cylinders; a first limiting block is detachably installed on the first butt joint block, and a plurality of first limiting threaded grooves are formed in the first limiting block. According to the screw strength detection device, the detection efficiency of the screw strength can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screw production, in particular to a screw strength detection device. Background Art

[0002] Screw strength testing is an important part of ensuring the reliability of mechanical connections. Among them, the torsion test evaluates the strength and toughness of the screw under torsional load. By measuring the maximum torsion angle or torque that the screw can withstand before failure, the performance of the screw during tightening and loosening is ensured.

[0003] The existing screw torque strength testing device requires manual work to fix and clamp the screw to be tested into the corresponding mold slot during the testing process, resulting in low testing efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a screw strength detection device, which can improve the detection efficiency of screw strength.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the present utility model is as follows:

[0006] A screw strength detection device includes a detection bracket, a first clamping module is provided on the left side of the detection bracket, and a second clamping module is provided on the right side of the detection bracket;

[0007] A detection module is provided above the first clamping module and the second clamping module, and a screw transfer module is provided in front of the detection module;

[0008] The first clamping module includes a first supporting vertical plate, which is fixed to the left side of the detection bracket. A plurality of first limiting cylinders are horizontally arranged on the first supporting vertical plate. A first docking block is fixed on the piston rod of the first limiting cylinder. A first limiting block is detachably mounted on the first docking block, and a plurality of first limiting thread grooves are opened on the first limiting block.

[0009] The second clamping module includes a second supporting vertical plate, the second supporting vertical plate is fixed to the right side of the detection bracket, a plurality of second limiting cylinders are horizontally provided on the second supporting vertical plate, a second docking block is fixed on the piston rod of the second limiting cylinder, a second limiting block is detachably mounted on the second docking block, and a plurality of second limiting thread grooves are opened on the second limiting block;

[0010] The first limiting thread groove and the second limiting thread groove are arranged correspondingly.

[0011] As an improvement: a first plug-in block is provided on the first docking block, a plurality of first docking grooves adapted to the first plug-in block are opened on the first limiting block, and the first docking block is screwed to the first limiting block via a plurality of first studs.

[0012] As an improvement: a second plug-in block is provided on the second docking block, a plurality of second docking grooves adapted to the second plug-in block are opened on the second limiting block, and the second docking block is screwed to the second limiting block via a plurality of second studs.

[0013] As an improvement: the detection module includes a plurality of height-adjusting cylinders, a supporting plate is fixed on the piston rods of the height-adjusting cylinders, a plurality of detection motors are vertically downwardly provided on the supporting plate, and the piston rods of the detection motors are connected to the detection joints through torque sensors;

[0014] A through slot is provided below the detection butt joint, and the through slot is opened on the detection bracket.

[0015] As an improvement: the screw transfer module includes a first telescopic cylinder, a third support vertical plate is fixed on the piston rod of the first telescopic cylinder, an electric telescopic rod is horizontally provided on the third support vertical plate, and an electric clamp is fixed on the electric telescopic rod.

[0016] As an improvement, a plurality of supporting pads are provided below the detection bracket.

[0017] In summary, the present invention has the following beneficial effects:

[0018] 1. The screw transfer module can be used to move the screw between the first and second limiting thread grooves. Subsequently, under the action of the first and second limiting cylinders, the screw can be quickly clamped and limited in the first and second limiting thread grooves. The detection module can then perform detection. This operation can improve the efficiency of screw detection.

[0019] 2. The support pad can improve the stability of the detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution in this practical embodiment, the following briefly introduces the drawings required for use in the embodiment or the description of the prior art.

[0021] Figure 1 This is a schematic diagram of the overall structure of a screw strength detection device;

[0022] Figure 2 for Figure 1 Schematic diagram of the structure of part A;

[0023] Figure 3 This is a front view of a screw strength testing device;

[0024] Among them: 1. Detection bracket; 2. First supporting plate; 3. Second supporting plate; 4. First limiting cylinder; 5. Second limiting cylinder; 6. First docking block; 7. Second docking block; 8. First limiting block; 9. Second limiting block; 10. First plug-in block; 11. Second plug-in block; 12. First docking groove; 13. Second docking groove; 14. First limiting thread groove; 15. Second limiting thread groove; 16. Height adjustment cylinder; 17. Support plate; 18. Detection motor; 19. Torque sensor; 20. Detection docking joint; 21. Through groove; 22. First telescopic cylinder; 23. Third supporting plate; 24. Electric telescopic rod; 25. Electric clamp; 26. Support pad. DETAILED DESCRIPTION

[0025] The present invention will be further described in detail below with reference to the accompanying drawings.

[0026] Please refer to Figure 1-Figure 3 , a screw strength detection device, comprising a detection bracket 1, a first clamping module is provided on the left side of the detection bracket 1, and a second clamping module is provided on the right side thereof;

[0027] A detection module is provided above the first clamping module and the second clamping module, and a screw transfer module is provided in front of the detection module;

[0028] The first clamping module includes a first supporting plate 2, which is fixed to the left side of the detection bracket 1. A plurality of first limiting cylinders 4 are horizontally provided on the first supporting plate 2. A first docking block 6 is fixed to the piston rod of the first limiting cylinder 4. A first limiting block 8 is detachably mounted on the first docking block 6. A plurality of first limiting thread grooves 14 are formed on the first limiting block 8.

[0029] The second clamping module includes a second supporting plate 3, which is fixed on the right side of the detection bracket 1. Several second limiting cylinders 5 are horizontally arranged on the second supporting plate 3. A second docking block 7 is fixed on the piston rod of the second limiting cylinder 5. A second limiting block 9 is detachably installed on the second docking block 7. Several second limiting thread grooves 15 are opened on the second limiting block 9; the first limiting thread groove 14 and the second limiting thread groove 15 are arranged correspondingly.

[0030] In this embodiment, the screw can be moved between the first limiting thread groove 14 and the second limiting thread groove 15 by the screw transfer module, and then under the action of the first limiting cylinder 4 and the second limiting cylinder 5, the screw can be quickly clamped and limited in the first limiting thread groove 14 and the second limiting thread groove 15, and then detected by the detection module. The above operation can improve the detection efficiency of the screw;

[0031] A first plug-in block 10 is provided on the first docking block 6, and a plurality of first docking slots 12 are defined on the first limiting block 8, which are compatible with the first plug-in block 10. The first docking block 6 is screwed to the first limiting block 8 via a plurality of first studs. A second plug-in block 11 is provided on the second docking block 7, and a plurality of second docking slots 13 are defined on the second limiting block 9, which are compatible with the second plug-in block 11. The second docking block 7 is screwed to the second limiting block 9 via a plurality of second studs. In this embodiment, the first plug-in block 10 can be inserted into the first docking slots 12, and the second plug-in block 11 can be inserted into the second docking slots 13, respectively, thereby improving docking strength and stability.

[0032] The detection module includes several height-adjusting cylinders 16, a supporting plate 17 is fixed on the piston rod of the height-adjusting cylinder 16, and several detection motors 18 are provided vertically downward on the supporting vertical plate. The piston rod of the detection motor 18 is connected to the detection docking joint 20 through the torque sensor 19; a through groove 21 is provided below the detection docking joint 20, and the through groove 21 is opened on the detection bracket 1.

[0033] The screw transfer module includes a first telescopic cylinder 22, a third support plate 23 fixed to the piston rod of the first telescopic cylinder 22, a motorized telescopic rod 24 horizontally mounted on the third support plate 23, and a motorized clamp 25 fixed to the motorized telescopic rod 24. In this embodiment, the motorized clamp 25 is conventional.

[0034] In this embodiment, a plurality of support pads 26 are provided below the detection bracket 1. The support pads 26 can improve the stability of the detection device.

[0035] Working principle: The screw is clamped by the electric clamp 25, and then, with the cooperation of the first telescopic cylinder 22 and the electric telescopic rod 24, the screw is moved between the first limiting thread groove 14 and the second limiting thread groove 15. Then, under the action of the first limiting cylinder 4 and the second limiting cylinder 5, the screw can be clamped and limited in the first limiting thread groove 14 and the second limiting thread groove 15.

[0036] After the clamping is completed, the height adjustment cylinder 16 is started to move downward. At the same time, with the cooperation of the detection motor 18, the detection joint 20 is inserted into the cross slot of the screw head. The detection motor 18 is started to drive the detection joint 20 to rotate. The torque is applied to the head of the screw by rotation until the screw breaks. The current torque value can be detected by the torque sensor 19.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and not to limit it; although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents; without departing from the spirit of the technical solution of the utility model, they should all be included in the scope of the technical solution for which protection is requested by the utility model.

Claims

1. A screw strength detection device, characterized in that: It includes a detection bracket, a first clamping module is provided on the left side of the detection bracket, and a second clamping module is provided on the right side of the detection bracket; A detection module is provided above the first clamping module and the second clamping module, and a screw transfer module is provided in front of the detection module; The first clamping module includes a first supporting vertical plate, which is fixed to the left side of the detection bracket. A plurality of first limiting cylinders are horizontally arranged on the first supporting vertical plate. A first docking block is fixed on the piston rod of the first limiting cylinder. A first limiting block is detachably mounted on the first docking block, and a plurality of first limiting thread grooves are opened on the first limiting block. The second clamping module includes a second supporting vertical plate, the second supporting vertical plate is fixed to the right side of the detection bracket, a plurality of second limiting cylinders are horizontally provided on the second supporting vertical plate, a second docking block is fixed on the piston rod of the second limiting cylinder, a second limiting block is detachably mounted on the second docking block, and a plurality of second limiting thread grooves are opened on the second limiting block; The first limiting thread groove and the second limiting thread groove are arranged correspondingly.

2. The screw strength detection device according to claim 1, characterized in that: The first docking block is provided with a first plug-in block, the first limiting block is provided with a plurality of first docking slots adapted to the first plug-in block, and the first docking block is screwed to the first limiting block via a plurality of first studs.

3. The screw strength detection device according to claim 1, characterized in that: The second docking block is provided with a second plugging block, the second limiting block is provided with a plurality of second docking slots adapted to the second plugging block, and the second docking block is screwed to the second limiting block via a plurality of second studs.

4. The screw strength detection device according to claim 1, characterized in that: The detection module includes a plurality of height-adjusting cylinders, a supporting plate is fixed on the piston rod of the height-adjusting cylinder, a plurality of detection motors are vertically downwardly provided on the supporting plate, and the piston rods of the detection motors are connected to the detection joints through torque sensors; A through slot is provided below the detection butt joint, and the through slot is opened on the detection bracket.

5. The screw strength detection device according to claim 1, characterized in that: The screw transfer module includes a first telescopic cylinder, a third support vertical plate is fixed on the piston rod of the first telescopic cylinder, an electric telescopic rod is horizontally arranged on the third support vertical plate, and an electric clamp is fixed on the electric telescopic rod.

6. The screw strength detection device according to claim 1, characterized in that: A plurality of supporting pads are provided below the detection bracket.

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